merge with 2.5 at r22793

8 files changed, 1277 insertions, 1177 deletions

diff --git a/source/blender/editors/sculpt_paint/paint_image.c b/source/blender/editors/sculpt_paint/paint_image.c
index 1b33f340d5e..128455a8487 100644
--- a/source/blender/editors/sculpt_paint/paint_image.c
+++ b/source/blender/editors/sculpt_paint/paint_image.c
@@ -71,6 +71,7 @@
 #include "BKE_main.h"
 #include "BKE_mesh.h"
 #include "BKE_node.h"
+#include "BKE_paint.h"
 #include "BKE_utildefines.h"
 #include "BKE_DerivedMesh.h"
 #include "BKE_report.h"
@@ -3706,7 +3707,7 @@ static void *do_projectpaint_thread(void *ph_v)
 	ProjPaintImage *last_projIma= NULL;
 	ImagePaintPartialRedraw *last_partial_redraw_cell;
 	
-	float rgba[4], alpha, dist_nosqrt;
+	float rgba[4], alpha, dist_nosqrt, dist;
 	
 	float brush_size_sqared;
 	float falloff;
@@ -3720,6 +3721,7 @@ static void *do_projectpaint_thread(void *ph_v)
 	float co[2];
 	float mask = 1.0f; /* airbrush wont use mask */
 	unsigned short mask_short;
+	float size_half = ((float)ps->brush->size) * 0.5f;
 	
 	LinkNode *smearPixels = NULL;
 	LinkNode *smearPixels_f = NULL;
@@ -3754,8 +3756,8 @@ static void *do_projectpaint_thread(void *ph_v)
 			dist_nosqrt = Vec2Lenf_nosqrt(projPixel->projCoSS, pos);
 			
 			/*if (dist < s->brush->size) {*/ /* correct but uses a sqrtf */
-			if (dist_nosqrt < brush_size_sqared) {
-				falloff = brush_sample_falloff_noalpha(ps->brush, sqrtf(dist_nosqrt));
+			if (dist_nosqrt < brush_size_sqared && (dist=sqrtf(dist_nosqrt)) < size_half) {
+				falloff = brush_curve_strength(ps->brush, dist, size_half);
 				if (falloff > 0.0f) {
 					if (ps->is_texbrush) {
 						brush_sample_tex(ps->brush, projPixel->projCoSS, rgba);
@@ -4023,7 +4025,7 @@ static void imapaint_image_update(SpaceImage *sima, Image *image, ImBuf *ibuf, s
 	if(texpaint || (sima && sima->lock)) {
 		int w = imapaintpartial.x2 - imapaintpartial.x1;
 		int h = imapaintpartial.y2 - imapaintpartial.y1;
-		GPU_paint_update_image(image, imapaintpartial.x1, imapaintpartial.y1, w, h);
+		GPU_paint_update_image(image, imapaintpartial.x1, imapaintpartial.y1, w, h, !texpaint);
 	}
 }
 
@@ -4375,15 +4377,17 @@ static Brush *image_paint_brush(bContext *C)
 	Scene *scene= CTX_data_scene(C);
 	ToolSettings *settings= scene->toolsettings;
 
-	return settings->imapaint.brush;
+	return paint_brush(&settings->imapaint.paint);
 }
 
 static int image_paint_poll(bContext *C)
 {
+	Object *obact = CTX_data_active_object(C);
+
 	if(!image_paint_brush(C))
 		return 0;
 
-	if((G.f & G_TEXTUREPAINT) && CTX_wm_region_view3d(C)) {
+	if((obact && obact->mode & OB_MODE_TEXTURE_PAINT) && CTX_wm_region_view3d(C)) {
 		return 1;
 	}
 	else {
@@ -4484,11 +4488,12 @@ static void paint_redraw(bContext *C, ImagePaintState *s, int final)
 	}
 }
 
-static int paint_init(bContext *C, wmOperator *op)
+static int texture_paint_init(bContext *C, wmOperator *op)
 {
 	Scene *scene= CTX_data_scene(C);
 	ToolSettings *settings= scene->toolsettings;
 	PaintOperation *pop;
+	Brush *brush;
 
 	pop= MEM_callocN(sizeof(PaintOperation), "PaintOperation");
 	pop->first= 1;
@@ -4516,10 +4521,11 @@ static int paint_init(bContext *C, wmOperator *op)
 	pop->ps.ar= CTX_wm_region(C);
 
 	/* intialize brush */
-	if(!settings->imapaint.brush)
+	brush= paint_brush(&settings->imapaint.paint);
+	if(!brush)
 		return 0;
 
-	pop->s.brush = settings->imapaint.brush;
+	pop->s.brush = brush;
 	pop->s.tool = settings->imapaint.tool;
 	if(pop->mode == PAINT_MODE_3D && (pop->s.tool == PAINT_TOOL_CLONE))
 		pop->s.tool = PAINT_TOOL_DRAW;
@@ -4607,11 +4613,13 @@ static int paint_init(bContext *C, wmOperator *op)
 static void paint_apply(bContext *C, wmOperator *op, PointerRNA *itemptr)
 {
 	PaintOperation *pop= op->customdata;
-	float time;
+	float time, mousef[2];
 	float pressure;
 	int mouse[2], redraw;
 
-	RNA_int_get_array(itemptr, "mouse", mouse);
+	RNA_float_get_array(itemptr, "mouse", mousef);
+	mouse[0] = mousef[0];
+	mouse[1] = mousef[1];
 	time= RNA_float_get(itemptr, "time");
 	pressure= RNA_float_get(itemptr, "pressure");
 
@@ -4670,7 +4678,7 @@ static void paint_exit(bContext *C, wmOperator *op)
 
 static int paint_exec(bContext *C, wmOperator *op)
 {
-	if(!paint_init(C, op)) {
+	if(!texture_paint_init(C, op)) {
 		MEM_freeN(op->customdata);
 		return OPERATOR_CANCELLED;
 	}
@@ -4691,7 +4699,7 @@ static void paint_apply_event(bContext *C, wmOperator *op, wmEvent *event)
 	PaintOperation *pop= op->customdata;
 	wmTabletData *wmtab;
 	PointerRNA itemptr;
-	float pressure;
+	float pressure, mousef[2];
 	double time;
 	int tablet, mouse[2];
 
@@ -4712,7 +4720,7 @@ static void paint_apply_event(bContext *C, wmOperator *op, wmEvent *event)
 		tablet= (wmtab->Active != EVT_TABLET_NONE);
 		pressure= wmtab->Pressure;
 		if(wmtab->Active == EVT_TABLET_ERASER)
-			pop->s.blend= BRUSH_BLEND_ERASE_ALPHA;
+			pop->s.blend= IMB_BLEND_ERASE_ALPHA;
 	}
 	else
 		pressure= 1.0f;
@@ -4732,7 +4740,9 @@ static void paint_apply_event(bContext *C, wmOperator *op, wmEvent *event)
 	/* fill in stroke */
 	RNA_collection_add(op->ptr, "stroke", &itemptr);
 
-	RNA_int_set_array(&itemptr, "mouse", mouse);
+	mousef[0] = mouse[0];
+	mousef[1] = mouse[1];
+	RNA_float_set_array(&itemptr, "mouse", mousef);
 	RNA_float_set(&itemptr, "time", (float)(time - pop->starttime));
 	RNA_float_set(&itemptr, "pressure", pressure);
 
@@ -4744,7 +4754,7 @@ static int paint_invoke(bContext *C, wmOperator *op, wmEvent *event)
 {
 	PaintOperation *pop;
 
-	if(!paint_init(C, op)) {
+	if(!texture_paint_init(C, op)) {
 		MEM_freeN(op->customdata);
 		return OPERATOR_CANCELLED;
 	}
@@ -4872,7 +4882,7 @@ static int paint_radial_control_invoke(bContext *C, wmOperator *op, wmEvent *eve
 	ToolSettings *ts = CTX_data_scene(C)->toolsettings;
 	get_imapaint_zoom(C, &zoom, &zoom);
 	toggle_paint_cursor(C, !ts->imapaint.paintcursor);
-	brush_radial_control_invoke(op, ts->imapaint.brush, 0.5 * zoom);
+	brush_radial_control_invoke(op, paint_brush(&ts->imapaint.paint), 0.5 * zoom);
 	return WM_radial_control_invoke(C, op, event);
 }
 
@@ -4891,7 +4901,7 @@ static int paint_radial_control_exec(bContext *C, wmOperator *op)
 	int ret;
 	char str[256];
 	get_imapaint_zoom(C, &zoom, &zoom);
-	ret = brush_radial_control_exec(op, CTX_data_scene(C)->toolsettings->imapaint.brush, 2.0 / zoom);
+	ret = brush_radial_control_exec(op, paint_brush(&CTX_data_scene(C)->toolsettings->imapaint.paint), 2.0 / zoom);
 	WM_radial_control_string(op, str, 256);
 
 	return ret;
@@ -5144,13 +5154,13 @@ static int texture_paint_toggle_exec(bContext *C, wmOperator *op)
 
 	me= get_mesh(ob);
 
-	if(!(G.f & G_TEXTUREPAINT) && !me) {
+	if(!(ob->mode & OB_MODE_TEXTURE_PAINT) && !me) {
 		BKE_report(op->reports, RPT_ERROR, "Can only enter texture paint mode for mesh objects.");
 		return OPERATOR_CANCELLED;
 	}
 
-	if(G.f & G_TEXTUREPAINT) {
-		G.f &= ~G_TEXTUREPAINT;
+	if(ob->mode & OB_MODE_TEXTURE_PAINT) {
+		ob->mode &= ~OB_MODE_TEXTURE_PAINT;
 
 		if(U.glreslimit != 0)
 			GPU_free_images();
@@ -5159,13 +5169,13 @@ static int texture_paint_toggle_exec(bContext *C, wmOperator *op)
 		toggle_paint_cursor(C, 0);
 	}
 	else {
-		G.f |= G_TEXTUREPAINT;
+		ob->mode |= OB_MODE_TEXTURE_PAINT;
 
 		if(me->mtface==NULL)
 			me->mtface= CustomData_add_layer(&me->fdata, CD_MTFACE, CD_DEFAULT,
 							 NULL, me->totface);
 
-		brush_check_exists(&scene->toolsettings->imapaint.brush);
+		paint_init(&scene->toolsettings->imapaint.paint, PAINT_CURSOR_TEXTURE_PAINT);
 
 		if(U.glreslimit != 0)
 			GPU_free_images();
@@ -5200,13 +5210,13 @@ static int texture_paint_radial_control_invoke(bContext *C, wmOperator *op, wmEv
 {
 	ToolSettings *ts = CTX_data_scene(C)->toolsettings;
 	toggle_paint_cursor(C, !ts->imapaint.paintcursor);
-	brush_radial_control_invoke(op, ts->imapaint.brush, 0.5);
+	brush_radial_control_invoke(op, paint_brush(&ts->imapaint.paint), 0.5);
 	return WM_radial_control_invoke(C, op, event);
 }
 
 static int texture_paint_radial_control_exec(bContext *C, wmOperator *op)
 {
-	int ret = brush_radial_control_exec(op, CTX_data_scene(C)->toolsettings->imapaint.brush, 2);
+	int ret = brush_radial_control_exec(op, paint_brush(&CTX_data_scene(C)->toolsettings->imapaint.paint), 2);
 	char str[256];
 	WM_radial_control_string(op, str, 256);
 
@@ -5216,7 +5226,7 @@ static int texture_paint_radial_control_exec(bContext *C, wmOperator *op)
 static int texture_paint_poll(bContext *C)
 {
 	if(texture_paint_toggle_poll(C))
-		if(G.f & G_TEXTUREPAINT)
+		if(CTX_data_active_object(C)->mode & OB_MODE_TEXTURE_PAINT)
 			return 1;
 	
 	return 0;
diff --git a/source/blender/editors/sculpt_paint/paint_intern.h b/source/blender/editors/sculpt_paint/paint_intern.h
index b630975c934..ba1b57a1bef 100644
--- a/source/blender/editors/sculpt_paint/paint_intern.h
+++ b/source/blender/editors/sculpt_paint/paint_intern.h
@@ -29,14 +29,37 @@
 #ifndef ED_PAINT_INTERN_H
 #define ED_PAINT_INTERN_H
 
+struct bContext;
 struct Scene;
 struct Object;
 struct Mesh;
+struct PaintStroke;
+struct PointerRNA;
 struct ViewContext;
+struct wmEvent;
+struct wmOperator;
 struct wmOperatorType;
 struct ARegion;
 
+/* paint_stroke.c */
+typedef int (*StrokeTestStart)(struct bContext *C, struct wmOperator *op, struct wmEvent *event);
+typedef void (*StrokeUpdateStep)(struct bContext *C, struct PaintStroke *stroke, struct PointerRNA *itemptr);
+typedef void (*StrokeDone)(struct bContext *C, struct PaintStroke *stroke);
+
+struct PaintStroke *paint_stroke_new(bContext *C, StrokeTestStart test_start,
+				     StrokeUpdateStep update_step, StrokeDone done);
+int paint_stroke_modal(struct bContext *C, struct wmOperator *op, struct wmEvent *event);
+int paint_stroke_exec(struct bContext *C, struct wmOperator *op);
+struct ViewContext *paint_stroke_view_context(struct PaintStroke *stroke);
+void *paint_stroke_mode_data(struct PaintStroke *stroke);
+void paint_stroke_set_mode_data(struct PaintStroke *stroke, void *mode_data);
+int paint_poll(bContext *C);
+void paint_cursor_start(struct bContext *C, int (*poll)(struct bContext *C));
+
 /* paint_vertex.c */
+int vertex_paint_mode_poll(bContext *C);
+void clear_vpaint(Scene *scene, int selected);
+
 void PAINT_OT_weight_paint_toggle(struct wmOperatorType *ot);
 void PAINT_OT_weight_paint_radial_control(struct wmOperatorType *ot);
 void PAINT_OT_weight_paint(struct wmOperatorType *ot);
@@ -59,6 +82,7 @@ int imapaint_pick_face(struct ViewContext *vc, struct Mesh *me, int *mval, unsig
 void imapaint_pick_uv(struct Scene *scene, struct Object *ob, struct Mesh *mesh, unsigned int faceindex, int *xy, float *uv);
 
 void paint_sample_color(struct Scene *scene, struct ARegion *ar, int x, int y);
+void BRUSH_OT_curve_preset(struct wmOperatorType *ot);
 
 #endif /* ED_PAINT_INTERN_H */
 
diff --git a/source/blender/editors/sculpt_paint/paint_ops.c b/source/blender/editors/sculpt_paint/paint_ops.c
index e9263ddabf0..c38b36007e9 100644
--- a/source/blender/editors/sculpt_paint/paint_ops.c
+++ b/source/blender/editors/sculpt_paint/paint_ops.c
@@ -1,15 +1,116 @@
+/**
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA	02111-1307, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#include "DNA_brush_types.h"
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+
+#include "BKE_brush.h"
+#include "BKE_context.h"
+#include "BKE_paint.h"
 
 #include "ED_sculpt.h"
+#include "UI_resources.h"
 
 #include "WM_api.h"
 #include "WM_types.h"
 
+#include "RNA_access.h"
+#include "RNA_define.h"
+#include "RNA_enum_types.h"
+
 #include "paint_intern.h"
 
+#include <string.h>
+
+/* Brush operators */
+static int brush_add_exec(bContext *C, wmOperator *op)
+{
+	/*int type = RNA_enum_get(op->ptr, "type");*/
+	Brush *br = NULL;
+
+	br = add_brush("Brush");
+
+	if(br)
+		paint_brush_set(paint_get_active(CTX_data_scene(C)), br);
+	
+	return OPERATOR_FINISHED;
+}
+
+static EnumPropertyItem brush_type_items[] = {
+	{OB_MODE_SCULPT, "SCULPT", ICON_SCULPTMODE_HLT, "Sculpt", ""},
+	{OB_MODE_VERTEX_PAINT, "VERTEX_PAINT", ICON_VPAINT_HLT, "Vertex Paint", ""},
+	{OB_MODE_WEIGHT_PAINT, "WEIGHT_PAINT", ICON_WPAINT_HLT, "Weight Paint", ""},
+	{OB_MODE_TEXTURE_PAINT, "TEXTURE_PAINT", ICON_TPAINT_HLT, "Texture Paint", ""},
+	{0, NULL, 0, NULL, NULL}};
+
+void BRUSH_OT_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name= "Add Brush";
+	ot->idname= "BRUSH_OT_add";
+	
+	/* api callbacks */
+	ot->exec= brush_add_exec;
+	
+	/* flags */
+	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
+
+	RNA_def_enum(ot->srna, "type", brush_type_items, OB_MODE_VERTEX_PAINT, "Type", "Which paint mode to create the brush for.");
+}
+
+static int vertex_color_set_exec(bContext *C, wmOperator *op)
+{
+	int selected = RNA_boolean_get(op->ptr, "selected");
+	Scene *scene = CTX_data_scene(C);
+
+	clear_vpaint(scene, selected);
+	
+	return OPERATOR_FINISHED;
+}
+
+void PAINT_OT_vertex_color_set(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name= "Set Vertex Colors";
+	ot->idname= "PAINT_OT_vertex_color_set";
+	
+	/* api callbacks */
+	ot->exec= vertex_color_set_exec;
+	ot->poll= vertex_paint_mode_poll;
+	
+	/* flags */
+	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
+
+	RNA_def_boolean(ot->srna, "selected", 0, "Type", "Only color selected faces.");
+}
+
 /**************************** registration **********************************/
 
 void ED_operatortypes_paint(void)
 {
+	/* brush */
+	WM_operatortype_append(BRUSH_OT_add);
+	WM_operatortype_append(BRUSH_OT_curve_preset);
+
 	/* image */
 	WM_operatortype_append(PAINT_OT_texture_paint_toggle);
 	WM_operatortype_append(PAINT_OT_texture_paint_radial_control);
@@ -28,5 +129,6 @@ void ED_operatortypes_paint(void)
 	WM_operatortype_append(PAINT_OT_vertex_paint_radial_control);
 	WM_operatortype_append(PAINT_OT_vertex_paint_toggle);
 	WM_operatortype_append(PAINT_OT_vertex_paint);
+	WM_operatortype_append(PAINT_OT_vertex_color_set);
 }
 
diff --git a/source/blender/editors/sculpt_paint/paint_stroke.c b/source/blender/editors/sculpt_paint/paint_stroke.c
new file mode 100644
index 00000000000..bd9ea50e0f8
--- /dev/null
+++ b/source/blender/editors/sculpt_paint/paint_stroke.c
@@ -0,0 +1,330 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software  Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2009 by Nicholas Bishop
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ *
+ */
+
+#include "MEM_guardedalloc.h"
+
+#include "DNA_brush_types.h"
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+#include "DNA_screen_types.h"
+
+#include "RNA_access.h"
+
+#include "BKE_context.h"
+#include "BKE_paint.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "BLI_arithb.h"
+
+#include "PIL_time.h"
+
+#include "BIF_gl.h"
+#include "BIF_glutil.h"
+
+#include "ED_screen.h"
+#include "ED_view3d.h"
+
+#include "paint_intern.h"
+
+#include <float.h>
+#include <math.h>
+
+typedef struct PaintStroke {
+	void *mode_data;
+	void *smooth_stroke_cursor;
+	wmTimer *timer;
+
+	/* Cached values */
+	ViewContext vc;
+	bglMats mats;
+	Brush *brush;
+
+	float last_mouse_position[2];
+
+	/* Set whether any stroke step has yet occured
+	   e.g. in sculpt mode, stroke doesn't start until cursor
+	   passes over the mesh */
+	int stroke_started;
+
+	StrokeTestStart test_start;
+	StrokeUpdateStep update_step;
+	StrokeDone done;
+} PaintStroke;
+
+/*** Cursor ***/
+static void paint_draw_smooth_stroke(bContext *C, int x, int y, void *customdata) 
+{
+	Brush *brush = paint_brush(paint_get_active(CTX_data_scene(C)));
+	PaintStroke *stroke = customdata;
+
+	glColor4ubv(paint_get_active(CTX_data_scene(C))->paint_cursor_col);
+	glEnable(GL_LINE_SMOOTH);
+	glEnable(GL_BLEND);
+
+	if(stroke && brush && (brush->flag & BRUSH_SMOOTH_STROKE)) {
+		ARegion *ar = CTX_wm_region(C);
+		sdrawline(x, y, (int)stroke->last_mouse_position[0] - ar->winrct.xmin,
+			  (int)stroke->last_mouse_position[1] - ar->winrct.ymin);
+	}
+
+	glDisable(GL_BLEND);
+	glDisable(GL_LINE_SMOOTH);
+}
+
+static void paint_draw_cursor(bContext *C, int x, int y, void *customdata)
+{
+	Brush *brush = paint_brush(paint_get_active(CTX_data_scene(C)));
+
+	glColor4ubv(paint_get_active(CTX_data_scene(C))->paint_cursor_col);
+	glEnable(GL_LINE_SMOOTH);
+	glEnable(GL_BLEND);
+
+	glTranslatef((float)x, (float)y, 0.0f);
+	glutil_draw_lined_arc(0.0, M_PI*2.0, brush->size, 40);
+	glTranslatef((float)-x, (float)-y, 0.0f);
+
+	glDisable(GL_BLEND);
+	glDisable(GL_LINE_SMOOTH);
+}
+
+/* Put the location of the next stroke dot into the stroke RNA and apply it to the mesh */
+static void paint_brush_stroke_add_step(bContext *C, wmOperator *op, wmEvent *event, float mouse[2])
+{
+	PointerRNA itemptr;
+	float cur_depth, pressure = 1;
+	float center[3];
+	PaintStroke *stroke = op->customdata;
+
+	cur_depth = read_cached_depth(&stroke->vc, mouse[0], mouse[1]);
+	view3d_unproject(&stroke->mats, center, mouse[0], mouse[1], cur_depth);	
+
+	/* Tablet */
+	if(event->custom == EVT_DATA_TABLET) {
+		wmTabletData *wmtab= event->customdata;
+		if(wmtab->Active != EVT_TABLET_NONE)
+			pressure= wmtab->Pressure;
+	}
+				
+	/* Add to stroke */
+	RNA_collection_add(op->ptr, "stroke", &itemptr);
+	RNA_float_set_array(&itemptr, "location", center);
+	RNA_float_set_array(&itemptr, "mouse", mouse);
+	RNA_boolean_set(&itemptr, "flip", event->shift);
+	RNA_float_set(&itemptr, "pressure", pressure);
+
+	stroke->last_mouse_position[0] = mouse[0];
+	stroke->last_mouse_position[1] = mouse[1];
+
+	stroke->update_step(C, stroke, &itemptr);
+}
+
+/* Returns zero if no sculpt changes should be made, non-zero otherwise */
+static int paint_smooth_stroke(PaintStroke *stroke, float output[2], wmEvent *event)
+{
+	output[0] = event->x;
+	output[1] = event->y;
+
+	if(stroke->brush->flag & BRUSH_SMOOTH_STROKE && stroke->brush->sculpt_tool != SCULPT_TOOL_GRAB) {
+		float u = stroke->brush->smooth_stroke_factor, v = 1.0 - u;
+		float dx = stroke->last_mouse_position[0] - event->x, dy = stroke->last_mouse_position[1] - event->y;
+
+		/* If the mouse is moving within the radius of the last move,
+		   don't update the mouse position. This allows sharp turns. */
+		if(dx*dx + dy*dy < stroke->brush->smooth_stroke_radius * stroke->brush->smooth_stroke_radius)
+			return 0;
+
+		output[0] = event->x * v + stroke->last_mouse_position[0] * u;
+		output[1] = event->y * v + stroke->last_mouse_position[1] * u;
+	}
+
+	return 1;
+}
+
+/* Returns zero if the stroke dots should not be spaced, non-zero otherwise */
+static int paint_space_stroke_enabled(Brush *br)
+{
+	return (br->flag & BRUSH_SPACE) && !(br->flag & BRUSH_ANCHORED) && (br->sculpt_tool != SCULPT_TOOL_GRAB);
+}
+
+/* For brushes with stroke spacing enabled, moves mouse in steps
+   towards the final mouse location. */
+static int paint_space_stroke(bContext *C, wmOperator *op, wmEvent *event, const float final_mouse[2])
+{
+	PaintStroke *stroke = op->customdata;
+	int cnt = 0;
+
+	if(paint_space_stroke_enabled(stroke->brush)) {
+		float mouse[2] = {stroke->last_mouse_position[0], stroke->last_mouse_position[1]};
+		float vec[2] = {final_mouse[0] - mouse[0], final_mouse[1] - mouse[1]};
+		float length, scale;
+		int steps = 0, i;
+
+		/* Normalize the vector between the last stroke dot and the goal */
+		length = sqrt(vec[0]*vec[0] + vec[1]*vec[1]);
+
+		if(length > FLT_EPSILON) {
+			scale = stroke->brush->spacing / length;
+			vec[0] *= scale;
+			vec[1] *= scale;
+
+			steps = (int)(length / stroke->brush->spacing);
+			for(i = 0; i < steps; ++i, ++cnt) {
+				mouse[0] += vec[0];
+				mouse[1] += vec[1];
+				paint_brush_stroke_add_step(C, op, event, mouse);
+			}
+		}
+	}
+
+	return cnt;
+}
+
+/**** Public API ****/
+
+PaintStroke *paint_stroke_new(bContext *C, StrokeTestStart test_start,
+			      StrokeUpdateStep update_step, StrokeDone done)
+{
+	PaintStroke *stroke = MEM_callocN(sizeof(PaintStroke), "PaintStroke");
+
+	stroke->brush = paint_brush(paint_get_active(CTX_data_scene(C)));
+	view3d_set_viewcontext(C, &stroke->vc);
+	view3d_get_transformation(&stroke->vc, stroke->vc.obact, &stroke->mats);
+
+	stroke->test_start = test_start;
+	stroke->update_step = update_step;
+	stroke->done = done;
+
+	return stroke;
+}
+
+int paint_stroke_modal(bContext *C, wmOperator *op, wmEvent *event)
+{
+	ARegion *ar = CTX_wm_region(C);
+	PaintStroke *stroke = op->customdata;
+	float mouse[2];
+
+	if(event->type == TIMER && (event->customdata != stroke->timer))
+		return OPERATOR_RUNNING_MODAL;
+
+	if(!stroke->stroke_started) {
+		stroke->last_mouse_position[0] = event->x;
+		stroke->last_mouse_position[1] = event->y;
+		stroke->stroke_started = stroke->test_start(C, op, event);
+
+		if(stroke->stroke_started) {
+			stroke->smooth_stroke_cursor =
+				WM_paint_cursor_activate(CTX_wm_manager(C), paint_poll, paint_draw_smooth_stroke, stroke);
+
+			if(stroke->brush->flag & BRUSH_AIRBRUSH)
+				stroke->timer = WM_event_add_window_timer(CTX_wm_window(C), TIMER, stroke->brush->rate);
+		}
+
+		ED_region_tag_redraw(ar);
+	}
+
+	if(stroke->stroke_started) {
+		if(paint_smooth_stroke(stroke, mouse, event)) {
+			if(paint_space_stroke_enabled(stroke->brush)) {
+				if(!paint_space_stroke(C, op, event, mouse))
+					ED_region_tag_redraw(ar);
+			}
+			else
+				paint_brush_stroke_add_step(C, op, event, mouse);
+		}
+		else
+			ED_region_tag_redraw(ar);
+	}
+
+	/* TODO: fix hardcoded event here */
+	if(event->type == LEFTMOUSE && event->val == 0) {
+		/* Exit stroke, free data */
+
+		if(stroke->smooth_stroke_cursor)
+			WM_paint_cursor_end(CTX_wm_manager(C), stroke->smooth_stroke_cursor);
+
+		if(stroke->timer)
+			WM_event_remove_window_timer(CTX_wm_window(C), stroke->timer);
+
+		stroke->done(C, stroke);
+		MEM_freeN(stroke);
+		return OPERATOR_FINISHED;
+	}
+	else
+		return OPERATOR_RUNNING_MODAL;
+}
+
+int paint_stroke_exec(bContext *C, wmOperator *op)
+{
+	PaintStroke *stroke = op->customdata;
+
+	RNA_BEGIN(op->ptr, itemptr, "stroke") {
+		stroke->update_step(C, stroke, &itemptr);
+	}
+	RNA_END;
+
+	MEM_freeN(stroke);
+	op->customdata = NULL;
+
+	return OPERATOR_FINISHED;
+}
+
+ViewContext *paint_stroke_view_context(PaintStroke *stroke)
+{
+	return &stroke->vc;
+}
+
+void *paint_stroke_mode_data(struct PaintStroke *stroke)
+{
+	return stroke->mode_data;
+}
+
+void paint_stroke_set_mode_data(PaintStroke *stroke, void *mode_data)
+{
+	stroke->mode_data = mode_data;
+}
+
+int paint_poll(bContext *C)
+{
+	Paint *p = paint_get_active(CTX_data_scene(C));
+	Object *ob = CTX_data_active_object(C);
+
+	return p && ob && paint_brush(p) &&
+		CTX_wm_area(C)->spacetype == SPACE_VIEW3D &&
+		CTX_wm_region(C)->regiontype == RGN_TYPE_WINDOW;
+}
+
+void paint_cursor_start(bContext *C, int (*poll)(bContext *C))
+{
+	Paint *p = paint_get_active(CTX_data_scene(C));
+
+	if(p && !p->paint_cursor)
+		p->paint_cursor = WM_paint_cursor_activate(CTX_wm_manager(C), poll, paint_draw_cursor, NULL);
+}
+
diff --git a/source/blender/editors/sculpt_paint/paint_utils.c b/source/blender/editors/sculpt_paint/paint_utils.c
index 46d41c043bd..68c5232e249 100644
--- a/source/blender/editors/sculpt_paint/paint_utils.c
+++ b/source/blender/editors/sculpt_paint/paint_utils.c
@@ -5,21 +5,31 @@
 #include "DNA_mesh_types.h"
 #include "DNA_meshdata_types.h"
 #include "DNA_object_types.h"
+
 #include "DNA_scene_types.h"
 #include "DNA_screen_types.h"
 #include "DNA_view3d_types.h"
 
+#include "RNA_access.h"
+#include "RNA_define.h"
+
 #include "BLI_arithb.h"
 
 #include "BKE_brush.h"
+#include "BKE_context.h"
 #include "BKE_DerivedMesh.h"
 #include "BKE_global.h"
+#include "BKE_paint.h"
+
 #include "BKE_utildefines.h"
 
 #include "BIF_gl.h"
 
 #include "ED_view3d.h"
 
+#include "WM_api.h"
+#include "WM_types.h"
+
 #include "paint_intern.h"
 
 /* 3D Paint */
@@ -160,7 +170,7 @@ int imapaint_pick_face(ViewContext *vc, Mesh *me, int *mval, unsigned int *index
 /* used for both 3d view and image window */
 void paint_sample_color(Scene *scene, ARegion *ar, int x, int y)	/* frontbuf */
 {
-	Brush **br = current_brush_source(scene);
+	Brush *br = paint_brush(paint_get_active(scene));
 	unsigned int col;
 	char *cp;
 
@@ -173,10 +183,43 @@ void paint_sample_color(Scene *scene, ARegion *ar, int x, int y)	/* frontbuf */
 
 	cp = (char *)&col;
 	
-	if(br && *br) {
-		(*br)->rgb[0]= cp[0]/255.0f;
-		(*br)->rgb[1]= cp[1]/255.0f;
-		(*br)->rgb[2]= cp[2]/255.0f;
+	if(br) {
+		br->rgb[0]= cp[0]/255.0f;
+		br->rgb[1]= cp[1]/255.0f;
+		br->rgb[2]= cp[2]/255.0f;
 	}
 }
 
+static int brush_curve_preset_exec(bContext *C, wmOperator *op)
+{
+	Brush *br = paint_brush(paint_get_active(CTX_data_scene(C)));
+	brush_curve_preset(br, RNA_enum_get(op->ptr, "shape"));
+
+	return OPERATOR_FINISHED;
+}
+
+static int brush_curve_preset_poll(bContext *C)
+{
+	Brush *br = paint_brush(paint_get_active(CTX_data_scene(C)));
+
+	return br && br->curve;
+}
+
+void BRUSH_OT_curve_preset(wmOperatorType *ot)
+{
+	static EnumPropertyItem prop_shape_items[] = {
+		{BRUSH_PRESET_SHARP, "SHARP", 0, "Sharp", ""},
+		{BRUSH_PRESET_SMOOTH, "SMOOTH", 0, "Smooth", ""},
+		{BRUSH_PRESET_MAX, "MAX", 0, "Max", ""},
+		{0, NULL, 0, NULL, NULL}};
+
+	ot->name= "Preset";
+	ot->idname= "BRUSH_OT_curve_preset";
+
+	ot->exec= brush_curve_preset_exec;
+	ot->poll= brush_curve_preset_poll;
+
+	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
+
+	RNA_def_enum(ot->srna, "shape", prop_shape_items, BRUSH_PRESET_SHARP, "Mode", "");
+}
diff --git a/source/blender/editors/sculpt_paint/paint_vertex.c b/source/blender/editors/sculpt_paint/paint_vertex.c
index 812c41f430e..ee3d9e5baa1 100644
--- a/source/blender/editors/sculpt_paint/paint_vertex.c
+++ b/source/blender/editors/sculpt_paint/paint_vertex.c
@@ -62,6 +62,7 @@
 #include "DNA_userdef_types.h"
 
 #include "RNA_access.h"
+#include "RNA_define.h"
 
 #include "BKE_armature.h"
 #include "BKE_brush.h"
@@ -76,6 +77,7 @@
 #include "BKE_mesh.h"
 #include "BKE_modifier.h"
 #include "BKE_object.h"
+#include "BKE_paint.h"
 #include "BKE_utildefines.h"
 
 #include "WM_api.h"
@@ -90,6 +92,8 @@
 #include "ED_util.h"
 #include "ED_view3d.h"
 
+#include "paint_intern.h"
+
 	/* vp->mode */
 #define VP_MIX	0
 #define VP_ADD	1
@@ -106,9 +110,19 @@ static void error() {}
 
 /* polling - retrieve whether cursor should be set or operator should be done */
 
+
+/* Returns true if vertex paint mode is active */
+int vertex_paint_mode_poll(bContext *C)
+{
+	Object *ob = CTX_data_active_object(C);
+
+	return ob && ob->mode == OB_MODE_VERTEX_PAINT;
+}
+
 static int vp_poll(bContext *C)
 {
-	if(G.f & G_VERTEXPAINT) {
+	if(vertex_paint_mode_poll(C) && 
+	   paint_brush(&CTX_data_tool_settings(C)->vpaint->paint)) {
 		ScrArea *sa= CTX_wm_area(C);
 		if(sa->spacetype==SPACE_VIEW3D) {
 			ARegion *ar= CTX_wm_region(C);
@@ -121,7 +135,10 @@ static int vp_poll(bContext *C)
 
 static int wp_poll(bContext *C)
 {
-	if(G.f & G_WEIGHTPAINT) {
+	Object *ob = CTX_data_active_object(C);
+
+	if(ob && ob->mode & OB_MODE_WEIGHT_PAINT &&
+	   paint_brush(&CTX_data_tool_settings(C)->wpaint->paint)) {
 		ScrArea *sa= CTX_wm_area(C);
 		if(sa->spacetype==SPACE_VIEW3D) {
 			ARegion *ar= CTX_wm_region(C);
@@ -132,56 +149,6 @@ static int wp_poll(bContext *C)
 	return 0;
 }
 
-
-/* Cursors */
-static void vp_drawcursor(bContext *C, int x, int y, void *customdata)
-{
-	ToolSettings *ts= CTX_data_tool_settings(C);
-	
-	glTranslatef((float)x, (float)y, 0.0f);
-	
-	glColor4ub(255, 255, 255, 128);
-	glEnable( GL_LINE_SMOOTH );
-	glEnable(GL_BLEND);
-	glutil_draw_lined_arc(0.0, M_PI*2.0, ts->vpaint->brush->size, 40);
-	glDisable(GL_BLEND);
-	glDisable( GL_LINE_SMOOTH );
-	
-	glTranslatef((float)-x, (float)-y, 0.0f);
-}
-
-static void wp_drawcursor(bContext *C, int x, int y, void *customdata)
-{
-	ToolSettings *ts= CTX_data_tool_settings(C);
-	
-	glTranslatef((float)x, (float)y, 0.0f);
-	
-	glColor4ub(200, 200, 255, 128);
-	glEnable( GL_LINE_SMOOTH );
-	glEnable(GL_BLEND);
-	glutil_draw_lined_arc(0.0, M_PI*2.0, ts->wpaint->brush->size, 40);
-	glDisable(GL_BLEND);
-	glDisable( GL_LINE_SMOOTH );
-	
-	glTranslatef((float)-x, (float)-y, 0.0f);
-}
-
-static void toggle_paint_cursor(bContext *C, int wpaint)
-{
-	ToolSettings *ts = CTX_data_scene(C)->toolsettings;
-	VPaint *vp = wpaint ? ts->wpaint : ts->vpaint;
-
-	if(vp->paintcursor) {
-		WM_paint_cursor_end(CTX_wm_manager(C), vp->paintcursor);
-		vp->paintcursor = NULL;
-	}
-	else {
-		vp->paintcursor = wpaint ?
-			WM_paint_cursor_activate(CTX_wm_manager(C), wp_poll, wp_drawcursor, NULL) :
-			WM_paint_cursor_activate(CTX_wm_manager(C), vp_poll, vp_drawcursor, NULL);
-	}
-}
-
 static VPaint *new_vpaint(int wpaint)
 {
 	VPaint *vp= MEM_callocN(sizeof(VPaint), "VPaint");
@@ -232,7 +199,8 @@ unsigned int rgba_to_mcol(float r, float g, float b, float a)
 
 static unsigned int vpaint_get_current_col(VPaint *vp)
 {
-	return rgba_to_mcol(vp->brush->rgb[0], vp->brush->rgb[1], vp->brush->rgb[2], 1.0f);
+	Brush *brush = paint_brush(&vp->paint);
+	return rgba_to_mcol(brush->rgb[0], brush->rgb[1], brush->rgb[2], 1.0f);
 }
 
 void do_shared_vertexcol(Mesh *me)
@@ -362,34 +330,7 @@ static void copy_wpaint_prev (VPaint *wp, MDeformVert *dverts, int dcount)
 }
 
 
-void clear_vpaint(Scene *scene)
-{
-	Mesh *me;
-	Object *ob;
-	unsigned int *to, paintcol;
-	int a;
-	
-	if((G.f & G_VERTEXPAINT)==0) return;
-
-	ob= OBACT;
-	me= get_mesh(ob);
-	if(!ob || ob->id.lib) return;
-
-	if(me==0 || me->mcol==0 || me->totface==0) return;
-
-	paintcol= vpaint_get_current_col(scene->toolsettings->vpaint);
-
-	to= (unsigned int *)me->mcol;
-	a= 4*me->totface;
-	while(a--) {
-		*to= paintcol;
-		to++; 
-	}
-	DAG_object_flush_update(scene, ob, OB_RECALC_DATA);
-	
-}
-
-void clear_vpaint_selectedfaces(Scene *scene)
+void clear_vpaint(Scene *scene, int selected)
 {
 	Mesh *me;
 	MFace *mf;
@@ -409,7 +350,7 @@ void clear_vpaint_selectedfaces(Scene *scene)
 	mf = me->mface;
 	mcol = (unsigned int*)me->mcol;
 	for (i = 0; i < me->totface; i++, mf++, mcol+=4) {
-		if (mf->flag & ME_FACE_SEL) {
+		if (!selected || mf->flag & ME_FACE_SEL) {
 			mcol[0] = paintcol;
 			mcol[1] = paintcol;
 			mcol[2] = paintcol;
@@ -540,10 +481,10 @@ void vpaint_dogamma(Scene *scene)
 	int a, temp;
 	unsigned char *cp, gamtab[256];
 
-	if((G.f & G_VERTEXPAINT)==0) return;
-
 	ob= OBACT;
 	me= get_mesh(ob);
+
+	if(!(ob->mode & OB_MODE_VERTEX_PAINT)) return;
 	if(me==0 || me->mcol==0 || me->totface==0) return;
 
 	igam= 1.0/vp->gamma;
@@ -721,6 +662,7 @@ static unsigned int mcol_darken(unsigned int col1, unsigned int col2, int fac)
 
 static void vpaint_blend(VPaint *vp, unsigned int *col, unsigned int *colorig, unsigned int paintcol, int alpha)
 {
+	Brush *brush = paint_brush(&vp->paint);
 
 	if(vp->mode==VP_MIX || vp->mode==VP_BLUR) *col= mcol_blend( *col, paintcol, alpha);
 	else if(vp->mode==VP_ADD) *col= mcol_add( *col, paintcol, alpha);
@@ -734,7 +676,7 @@ static void vpaint_blend(VPaint *vp, unsigned int *col, unsigned int *colorig, u
 		unsigned int testcol=0, a;
 		char *cp, *ct, *co;
 		
-		alpha= (int)(255.0*vp->brush->alpha);
+		alpha= (int)(255.0*brush->alpha);
 		
 		if(vp->mode==VP_MIX || vp->mode==VP_BLUR) testcol= mcol_blend( *colorig, paintcol, alpha);
 		else if(vp->mode==VP_ADD) testcol= mcol_add( *colorig, paintcol, alpha);
@@ -798,8 +740,9 @@ static int sample_backbuf_area(ViewContext *vc, int *indexar, int totface, int x
 	return tot;
 }
 
-static int calc_vp_alpha_dl(VPaint *vp, ViewContext *vc, float vpimat[][3], float *vert_nor, short *mval)
+static int calc_vp_alpha_dl(VPaint *vp, ViewContext *vc, float vpimat[][3], float *vert_nor, float *mval)
 {
+	Brush *brush = paint_brush(&vp->paint);
 	float fac, dx, dy;
 	int alpha;
 	short vertco[2];
@@ -810,14 +753,14 @@ static int calc_vp_alpha_dl(VPaint *vp, ViewContext *vc, float vpimat[][3], floa
 		dy= mval[1]-vertco[1];
 		
 		fac= sqrt(dx*dx + dy*dy);
-		if(fac > vp->brush->size) return 0;
+		if(fac > brush->size) return 0;
 		if(vp->flag & VP_HARD)
 			alpha= 255;
 		else
-			alpha= 255.0*vp->brush->alpha*(1.0-fac/vp->brush->size);
+			alpha= 255.0*brush->alpha*(1.0-fac/brush->size);
 	}
 	else {
-		alpha= 255.0*vp->brush->alpha;
+		alpha= 255.0*brush->alpha;
 	}
 
 	if(vp->flag & VP_NORMALS) {
@@ -839,6 +782,7 @@ static int calc_vp_alpha_dl(VPaint *vp, ViewContext *vc, float vpimat[][3], floa
 
 static void wpaint_blend(VPaint *wp, MDeformWeight *dw, MDeformWeight *uw, float alpha, float paintval)
 {
+	Brush *brush = paint_brush(&wp->paint);
 	
 	if(dw==NULL || uw==NULL) return;
 	
@@ -864,7 +808,7 @@ static void wpaint_blend(VPaint *wp, MDeformWeight *dw, MDeformWeight *uw, float
 	if((wp->flag & VP_SPRAY)==0) {
 		float testw=0.0f;
 		
-		alpha= wp->brush->alpha;
+		alpha= brush->alpha;
 		if(wp->mode==VP_MIX || wp->mode==VP_BLUR)
 			testw = paintval*alpha + uw->weight*(1.0-alpha);
 		else if(wp->mode==VP_ADD)
@@ -1092,12 +1036,12 @@ static int set_wpaint(bContext *C, wmOperator *op)		/* toggle */
 	
 	if(me && me->totface>=MAXINDEX) {
 		error("Maximum number of faces: %d", MAXINDEX-1);
-		G.f &= ~G_WEIGHTPAINT;
+		ob->mode &= ~OB_MODE_WEIGHT_PAINT;
 		return OPERATOR_CANCELLED;
 	}
 	
-	if(G.f & G_WEIGHTPAINT) G.f &= ~G_WEIGHTPAINT;
-	else G.f |= G_WEIGHTPAINT;
+	if(ob->mode & OB_MODE_WEIGHT_PAINT) ob->mode &= ~OB_MODE_WEIGHT_PAINT;
+	else ob->mode |= OB_MODE_WEIGHT_PAINT;
 	
 	
 	/* Weightpaint works by overriding colors in mesh,
@@ -1107,21 +1051,20 @@ static int set_wpaint(bContext *C, wmOperator *op)		/* toggle */
 		*/
 	DAG_object_flush_update(scene, ob, OB_RECALC_DATA);
 	
-	if(G.f & G_WEIGHTPAINT) {
+	if(ob->mode & OB_MODE_WEIGHT_PAINT) {
 		Object *par;
 		
 		if(wp==NULL)
 			wp= scene->toolsettings->wpaint= new_vpaint(1);
 
-		brush_check_exists(&wp->brush);
-		
-		toggle_paint_cursor(C, 1);
+		paint_init(&wp->paint, PAINT_CURSOR_WEIGHT_PAINT);
+		paint_cursor_start(C, wp_poll);
 		
 		mesh_octree_table(ob, NULL, NULL, 's');
 		
 		/* verify if active weight group is also active bone */
 		par= modifiers_isDeformedByArmature(ob);
-		if(par && (par->flag & OB_POSEMODE)) {
+		if(par && (par->mode & OB_MODE_POSE)) {
 			bPoseChannel *pchan;
 			for(pchan= par->pose->chanbase.first; pchan; pchan= pchan->next)
 				if(pchan->bone->flag & BONE_ACTIVE)
@@ -1131,9 +1074,6 @@ static int set_wpaint(bContext *C, wmOperator *op)		/* toggle */
 		}
 	}
 	else {
-		if(wp)
-			toggle_paint_cursor(C, 1);
-		
 		mesh_octree_table(ob, NULL, NULL, 'e');
 	}
 	
@@ -1174,8 +1114,12 @@ void PAINT_OT_weight_paint_toggle(wmOperatorType *ot)
 
 static int vpaint_radial_control_invoke(bContext *C, wmOperator *op, wmEvent *event)
 {
-	toggle_paint_cursor(C, 0);
-	brush_radial_control_invoke(op, CTX_data_scene(C)->toolsettings->vpaint->brush, 1);
+	Paint *p = paint_get_active(CTX_data_scene(C));
+	Brush *brush = paint_brush(p);
+	
+	WM_paint_cursor_end(CTX_wm_manager(C), p->paint_cursor);
+	p->paint_cursor = NULL;
+	brush_radial_control_invoke(op, brush, 1);
 	return WM_radial_control_invoke(C, op, event);
 }
 
@@ -1183,19 +1127,24 @@ static int vpaint_radial_control_modal(bContext *C, wmOperator *op, wmEvent *eve
 {
 	int ret = WM_radial_control_modal(C, op, event);
 	if(ret != OPERATOR_RUNNING_MODAL)
-		toggle_paint_cursor(C, 0);
+		paint_cursor_start(C, vp_poll);
 	return ret;
 }
 
 static int vpaint_radial_control_exec(bContext *C, wmOperator *op)
 {
-	return brush_radial_control_exec(op, CTX_data_scene(C)->toolsettings->vpaint->brush, 1);
+	Brush *brush = paint_brush(&CTX_data_scene(C)->toolsettings->vpaint->paint);
+	return brush_radial_control_exec(op, brush, 1);
 }
 
 static int wpaint_radial_control_invoke(bContext *C, wmOperator *op, wmEvent *event)
 {
-	toggle_paint_cursor(C, 1);
-	brush_radial_control_invoke(op, CTX_data_scene(C)->toolsettings->wpaint->brush, 1);
+	Paint *p = paint_get_active(CTX_data_scene(C));
+	Brush *brush = paint_brush(p);
+	
+	WM_paint_cursor_end(CTX_wm_manager(C), p->paint_cursor);
+	p->paint_cursor = NULL;
+	brush_radial_control_invoke(op, brush, 1);
 	return WM_radial_control_invoke(C, op, event);
 }
 
@@ -1203,13 +1152,14 @@ static int wpaint_radial_control_modal(bContext *C, wmOperator *op, wmEvent *eve
 {
 	int ret = WM_radial_control_modal(C, op, event);
 	if(ret != OPERATOR_RUNNING_MODAL)
-		toggle_paint_cursor(C, 1);
+		paint_cursor_start(C, wp_poll);
 	return ret;
 }
 
 static int wpaint_radial_control_exec(bContext *C, wmOperator *op)
 {
-	return brush_radial_control_exec(op, CTX_data_scene(C)->toolsettings->wpaint->brush, 1);
+	Brush *brush = paint_brush(&CTX_data_scene(C)->toolsettings->wpaint->paint);
+	return brush_radial_control_exec(op, brush, 1);
 }
 
 void PAINT_OT_weight_paint_radial_control(wmOperatorType *ot)
@@ -1254,206 +1204,10 @@ struct WPaintData {
 	float wpimat[3][3];
 };
 
-static void wpaint_exit(bContext *C, wmOperator *op)
-{
-	ToolSettings *ts= CTX_data_tool_settings(C);
-	Object *ob= CTX_data_active_object(C);
-	struct WPaintData *wpd= op->customdata;
-	
-	if(wpd->vertexcosnos)
-		MEM_freeN(wpd->vertexcosnos);
-	MEM_freeN(wpd->indexar);
-	
-	/* frees prev buffer */
-	copy_wpaint_prev(ts->wpaint, NULL, 0);
-	
-	/* and particles too */
-	if(ob->particlesystem.first) {
-		ParticleSystem *psys;
-		int i;
-		
-		for(psys= ob->particlesystem.first; psys; psys= psys->next) {
-			for(i=0; i<PSYS_TOT_VG; i++) {
-				if(psys->vgroup[i]==ob->actdef) {
-					psys->recalc |= PSYS_RECALC_RESET;
-					break;
-				}
-			}
-		}
-	}
-	
-	DAG_object_flush_update(CTX_data_scene(C), ob, OB_RECALC_DATA);
-	
-	MEM_freeN(wpd);
-	op->customdata= NULL;
-}
-
-
-static int wpaint_modal(bContext *C, wmOperator *op, wmEvent *event)
-{
-	ToolSettings *ts= CTX_data_tool_settings(C);
-	VPaint *wp= ts->wpaint;
-	
-	switch(event->type) {
-		case LEFTMOUSE:
-			if(event->val==0) { /* release */
-				wpaint_exit(C, op);
-				return OPERATOR_FINISHED;
-			}
-			/* pass on, first press gets painted too */
-			
-		case MOUSEMOVE: 
-		{
-			struct WPaintData *wpd= op->customdata;
-			ViewContext *vc= &wpd->vc;
-			Object *ob= vc->obact;
-			Mesh *me= ob->data;
-			float mat[4][4];
-			float paintweight= ts->vgroup_weight;
-			int *indexar= wpd->indexar;
-			int totindex, index, alpha, totw;
-			short mval[2];
-			
-			view3d_operator_needs_opengl(C);
-			
-			/* load projection matrix */
-			wmMultMatrix(ob->obmat);
-			wmGetSingleMatrix(mat);
-			wmLoadMatrix(wpd->vc.rv3d->viewmat);
-			
-			MTC_Mat4SwapMat4(wpd->vc.rv3d->persmat, mat);
-			
-			mval[0]= event->x - vc->ar->winrct.xmin;
-			mval[1]= event->y - vc->ar->winrct.ymin;
-			
-			/* which faces are involved */
-			if(wp->flag & VP_AREA) {
-				totindex= sample_backbuf_area(vc, indexar, me->totface, mval[0], mval[1], wp->brush->size);
-			}
-			else {
-				indexar[0]= view3d_sample_backbuf(vc, mval[0], mval[1]);
-				if(indexar[0]) totindex= 1;
-				else totindex= 0;
-			}
-			
-			if(wp->flag & VP_COLINDEX) {
-				for(index=0; index<totindex; index++) {
-					if(indexar[index] && indexar[index]<=me->totface) {
-						MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
-						
-						if(mface->mat_nr!=ob->actcol-1) {
-							indexar[index]= 0;
-						}
-					}					
-				}
-			}
-			
-			if((G.f & G_FACESELECT) && me->mface) {
-				for(index=0; index<totindex; index++) {
-					if(indexar[index] && indexar[index]<=me->totface) {
-						MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
-						
-						if((mface->flag & ME_FACE_SEL)==0) {
-							indexar[index]= 0;
-						}
-					}					
-				}
-			}
-			
-			/* make sure each vertex gets treated only once */
-			/* and calculate filter weight */
-			totw= 0;
-			if(wp->mode==VP_BLUR) 
-				paintweight= 0.0f;
-			else
-				paintweight= ts->vgroup_weight;
-			
-			for(index=0; index<totindex; index++) {
-				if(indexar[index] && indexar[index]<=me->totface) {
-					MFace *mface= me->mface + (indexar[index]-1);
-					
-					(me->dvert+mface->v1)->flag= 1;
-					(me->dvert+mface->v2)->flag= 1;
-					(me->dvert+mface->v3)->flag= 1;
-					if(mface->v4) (me->dvert+mface->v4)->flag= 1;
-					
-					if(wp->mode==VP_BLUR) {
-						MDeformWeight *dw, *(*dw_func)(MDeformVert *, int) = verify_defweight;
-						
-						if(wp->flag & VP_ONLYVGROUP)
-							dw_func= get_defweight;
-						
-						dw= dw_func(me->dvert+mface->v1, ob->actdef-1);
-						if(dw) {paintweight+= dw->weight; totw++;}
-						dw= dw_func(me->dvert+mface->v2, ob->actdef-1);
-						if(dw) {paintweight+= dw->weight; totw++;}
-						dw= dw_func(me->dvert+mface->v3, ob->actdef-1);
-						if(dw) {paintweight+= dw->weight; totw++;}
-						if(mface->v4) {
-							dw= dw_func(me->dvert+mface->v4, ob->actdef-1);
-							if(dw) {paintweight+= dw->weight; totw++;}
-						}
-					}
-				}
-			}
-			
-			if(wp->mode==VP_BLUR) 
-				paintweight/= (float)totw;
-			
-			for(index=0; index<totindex; index++) {
-				
-				if(indexar[index] && indexar[index]<=me->totface) {
-					MFace *mface= me->mface + (indexar[index]-1);
-					
-					if((me->dvert+mface->v1)->flag) {
-						alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v1, mval);
-						if(alpha) {
-							do_weight_paint_vertex(wp, ob, mface->v1, alpha, paintweight, wpd->vgroup_mirror);
-						}
-						(me->dvert+mface->v1)->flag= 0;
-					}
-					
-					if((me->dvert+mface->v2)->flag) {
-						alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v2, mval);
-						if(alpha) {
-							do_weight_paint_vertex(wp, ob, mface->v2, alpha, paintweight, wpd->vgroup_mirror);
-						}
-						(me->dvert+mface->v2)->flag= 0;
-					}
-					
-					if((me->dvert+mface->v3)->flag) {
-						alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v3, mval);
-						if(alpha) {
-							do_weight_paint_vertex(wp, ob, mface->v3, alpha, paintweight, wpd->vgroup_mirror);
-						}
-						(me->dvert+mface->v3)->flag= 0;
-					}
-					
-					if((me->dvert+mface->v4)->flag) {
-						if(mface->v4) {
-							alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v4, mval);
-							if(alpha) {
-								do_weight_paint_vertex(wp, ob, mface->v4, alpha, paintweight, wpd->vgroup_mirror);
-							}
-							(me->dvert+mface->v4)->flag= 0;
-						}
-					}
-				}
-			}
-			
-			MTC_Mat4SwapMat4(vc->rv3d->persmat, mat);
-			
-			DAG_object_flush_update(vc->scene, ob, OB_RECALC_DATA);
-			ED_region_tag_redraw(vc->ar);
-		}
-	}
-
-	return OPERATOR_RUNNING_MODAL;
-}
-
-static int wpaint_invoke(bContext *C, wmOperator *op, wmEvent *event)
+static int wpaint_stroke_test_start(bContext *C, wmOperator *op, wmEvent *event)
 {
 	Scene *scene= CTX_data_scene(C);
+	struct PaintStroke *stroke = op->customdata;
 	ToolSettings *ts= CTX_data_tool_settings(C);
 	VPaint *wp= ts->wpaint;
 	Object *ob= CTX_data_active_object(C);
@@ -1462,7 +1216,6 @@ static int wpaint_invoke(bContext *C, wmOperator *op, wmEvent *event)
 	float mat[4][4], imat[4][4];
 	
 	if(scene->obedit) return OPERATOR_CANCELLED;
-	// XXX	if(multires_level1_test()) return;
 	
 	me= get_mesh(ob);
 	if(me==NULL || me->totface==0) return OPERATOR_PASS_THROUGH;
@@ -1471,8 +1224,9 @@ static int wpaint_invoke(bContext *C, wmOperator *op, wmEvent *event)
 	if (!me->dvert)
 		create_dverts(&me->id);
 	
-	/* make customdata storage */
-	op->customdata= wpd= MEM_callocN(sizeof(struct WPaintData), "WPaintData");
+	/* make mode data storage */
+	wpd= MEM_callocN(sizeof(struct WPaintData), "WPaintData");
+	paint_stroke_set_mode_data(stroke, wpd);
 	view3d_set_viewcontext(C, &wpd->vc);
 	wpd->vgroup_mirror= -1;
 	
@@ -1544,11 +1298,203 @@ static int wpaint_invoke(bContext *C, wmOperator *op, wmEvent *event)
 		}
 	}
 	
-	/* do paint once for click only paint */
-	wpaint_modal(C, op, event);
+	return 1;
+}
+
+static void wpaint_stroke_update_step(bContext *C, struct PaintStroke *stroke, PointerRNA *itemptr)
+{
+	ToolSettings *ts= CTX_data_tool_settings(C);
+	VPaint *wp= ts->wpaint;
+	Brush *brush = paint_brush(&wp->paint);
+	struct WPaintData *wpd= paint_stroke_mode_data(stroke);
+	ViewContext *vc= &wpd->vc;
+	Object *ob= vc->obact;
+	Mesh *me= ob->data;
+	float mat[4][4];
+	float paintweight= ts->vgroup_weight;
+	int *indexar= wpd->indexar;
+	int totindex, index, alpha, totw;
+	float mval[2];
+
+	view3d_operator_needs_opengl(C);
+			
+	/* load projection matrix */
+	wmMultMatrix(ob->obmat);
+	wmGetSingleMatrix(mat);
+	wmLoadMatrix(wpd->vc.rv3d->viewmat);
+
+	RNA_float_get_array(itemptr, "mouse", mval);
+	mval[0]-= vc->ar->winrct.xmin;
+	mval[1]-= vc->ar->winrct.ymin;
+			
+	MTC_Mat4SwapMat4(wpd->vc.rv3d->persmat, mat);
+			
+	/* which faces are involved */
+	if(wp->flag & VP_AREA) {
+		totindex= sample_backbuf_area(vc, indexar, me->totface, mval[0], mval[1], brush->size);
+	}
+	else {
+		indexar[0]= view3d_sample_backbuf(vc, mval[0], mval[1]);
+		if(indexar[0]) totindex= 1;
+		else totindex= 0;
+	}
+			
+	if(wp->flag & VP_COLINDEX) {
+		for(index=0; index<totindex; index++) {
+			if(indexar[index] && indexar[index]<=me->totface) {
+				MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
+						
+				if(mface->mat_nr!=ob->actcol-1) {
+					indexar[index]= 0;
+				}
+			}					
+		}
+	}
+			
+	if((G.f & G_FACESELECT) && me->mface) {
+		for(index=0; index<totindex; index++) {
+			if(indexar[index] && indexar[index]<=me->totface) {
+				MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
+						
+				if((mface->flag & ME_FACE_SEL)==0) {
+					indexar[index]= 0;
+				}
+			}					
+		}
+	}
+			
+	/* make sure each vertex gets treated only once */
+	/* and calculate filter weight */
+	totw= 0;
+	if(wp->mode==VP_BLUR) 
+		paintweight= 0.0f;
+	else
+		paintweight= ts->vgroup_weight;
+			
+	for(index=0; index<totindex; index++) {
+		if(indexar[index] && indexar[index]<=me->totface) {
+			MFace *mface= me->mface + (indexar[index]-1);
+					
+			(me->dvert+mface->v1)->flag= 1;
+			(me->dvert+mface->v2)->flag= 1;
+			(me->dvert+mface->v3)->flag= 1;
+			if(mface->v4) (me->dvert+mface->v4)->flag= 1;
+					
+			if(wp->mode==VP_BLUR) {
+				MDeformWeight *dw, *(*dw_func)(MDeformVert *, int) = verify_defweight;
+						
+				if(wp->flag & VP_ONLYVGROUP)
+					dw_func= get_defweight;
+						
+				dw= dw_func(me->dvert+mface->v1, ob->actdef-1);
+				if(dw) {paintweight+= dw->weight; totw++;}
+				dw= dw_func(me->dvert+mface->v2, ob->actdef-1);
+				if(dw) {paintweight+= dw->weight; totw++;}
+				dw= dw_func(me->dvert+mface->v3, ob->actdef-1);
+				if(dw) {paintweight+= dw->weight; totw++;}
+				if(mface->v4) {
+					dw= dw_func(me->dvert+mface->v4, ob->actdef-1);
+					if(dw) {paintweight+= dw->weight; totw++;}
+				}
+			}
+		}
+	}
+			
+	if(wp->mode==VP_BLUR) 
+		paintweight/= (float)totw;
+			
+	for(index=0; index<totindex; index++) {
+				
+		if(indexar[index] && indexar[index]<=me->totface) {
+			MFace *mface= me->mface + (indexar[index]-1);
+					
+			if((me->dvert+mface->v1)->flag) {
+				alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v1, mval);
+				if(alpha) {
+					do_weight_paint_vertex(wp, ob, mface->v1, alpha, paintweight, wpd->vgroup_mirror);
+				}
+				(me->dvert+mface->v1)->flag= 0;
+			}
+					
+			if((me->dvert+mface->v2)->flag) {
+				alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v2, mval);
+				if(alpha) {
+					do_weight_paint_vertex(wp, ob, mface->v2, alpha, paintweight, wpd->vgroup_mirror);
+				}
+				(me->dvert+mface->v2)->flag= 0;
+			}
+					
+			if((me->dvert+mface->v3)->flag) {
+				alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v3, mval);
+				if(alpha) {
+					do_weight_paint_vertex(wp, ob, mface->v3, alpha, paintweight, wpd->vgroup_mirror);
+				}
+				(me->dvert+mface->v3)->flag= 0;
+			}
+					
+			if((me->dvert+mface->v4)->flag) {
+				if(mface->v4) {
+					alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v4, mval);
+					if(alpha) {
+						do_weight_paint_vertex(wp, ob, mface->v4, alpha, paintweight, wpd->vgroup_mirror);
+					}
+					(me->dvert+mface->v4)->flag= 0;
+				}
+			}
+		}
+	}
+			
+	MTC_Mat4SwapMat4(vc->rv3d->persmat, mat);
+			
+	DAG_object_flush_update(vc->scene, ob, OB_RECALC_DATA);
+	ED_region_tag_redraw(vc->ar);
+}
+
+static void wpaint_stroke_done(bContext *C, struct PaintStroke *stroke)
+{
+	ToolSettings *ts= CTX_data_tool_settings(C);
+	Object *ob= CTX_data_active_object(C);
+	struct WPaintData *wpd= paint_stroke_mode_data(stroke);
+	
+	if(wpd->vertexcosnos)
+		MEM_freeN(wpd->vertexcosnos);
+	MEM_freeN(wpd->indexar);
+	
+	/* frees prev buffer */
+	copy_wpaint_prev(ts->wpaint, NULL, 0);
+	
+	/* and particles too */
+	if(ob->particlesystem.first) {
+		ParticleSystem *psys;
+		int i;
+		
+		for(psys= ob->particlesystem.first; psys; psys= psys->next) {
+			for(i=0; i<PSYS_TOT_VG; i++) {
+				if(psys->vgroup[i]==ob->actdef) {
+					psys->recalc |= PSYS_RECALC_RESET;
+					break;
+				}
+			}
+		}
+	}
+	
+	DAG_object_flush_update(CTX_data_scene(C), ob, OB_RECALC_DATA);
+	
+	MEM_freeN(wpd);
+}
+
+
+static int wpaint_invoke(bContext *C, wmOperator *op, wmEvent *event)
+{
+	
+	op->customdata = paint_stroke_new(C, wpaint_stroke_test_start,
+					  wpaint_stroke_update_step,
+					  wpaint_stroke_done);
 	
 	/* add modal handler */
 	WM_event_add_modal_handler(C, &CTX_wm_window(C)->handlers, op);
+
+	op->type->modal(C, op, event);
 	
 	return OPERATOR_RUNNING_MODAL;
 }
@@ -1562,13 +1508,14 @@ void PAINT_OT_weight_paint(wmOperatorType *ot)
 	
 	/* api callbacks */
 	ot->invoke= wpaint_invoke;
-	ot->modal= wpaint_modal;
+	ot->modal= paint_stroke_modal;
 	/* ot->exec= vpaint_exec; <-- needs stroke property */
 	ot->poll= wp_poll;
 	
 	/* flags */
 	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING;
-	
+
+	RNA_def_collection_runtime(ot->srna, "stroke", &RNA_OperatorStrokeElement, "Stroke", "");
 }
 
 /* ************ set / clear vertex paint mode ********** */
@@ -1584,40 +1531,35 @@ static int set_vpaint(bContext *C, wmOperator *op)		/* toggle */
 	me= get_mesh(ob);
 	
 	if(me==NULL || object_data_is_libdata(ob)) {
-		G.f &= ~G_VERTEXPAINT;
+		ob->mode &= ~OB_MODE_VERTEX_PAINT;
 		return OPERATOR_PASS_THROUGH;
 	}
 	
 	if(me && me->totface>=MAXINDEX) {
 		error("Maximum number of faces: %d", MAXINDEX-1);
-		G.f &= ~G_VERTEXPAINT;
+		ob->mode &= ~OB_MODE_VERTEX_PAINT;
 		return OPERATOR_FINISHED;
 	}
 	
 	if(me && me->mcol==NULL) make_vertexcol(scene, 0);
 	
 	/* toggle: end vpaint */
-	if(G.f & G_VERTEXPAINT) {
+	if(ob->mode & OB_MODE_VERTEX_PAINT) {
 		
-		G.f &= ~G_VERTEXPAINT;
-		
-		if(vp) {
-			toggle_paint_cursor(C, 0);
-			vp->paintcursor= NULL;
-		}
+		ob->mode &= ~OB_MODE_VERTEX_PAINT;
 	}
 	else {
-		
-		G.f |= G_VERTEXPAINT;
+		ob->mode |= OB_MODE_VERTEX_PAINT;
 		/* Turn off weight painting */
-		if (G.f & G_WEIGHTPAINT)
+		if (ob->mode & OB_MODE_WEIGHT_PAINT)
 			set_wpaint(C, op);
 		
 		if(vp==NULL)
 			vp= scene->toolsettings->vpaint= new_vpaint(0);
 		
-		toggle_paint_cursor(C, 0);
-		brush_check_exists(&scene->toolsettings->vpaint->brush);
+		paint_cursor_start(C, vp_poll);
+
+		paint_init(&vp->paint, PAINT_CURSOR_VERTEX_PAINT);
 	}
 	
 	if (me)
@@ -1676,177 +1618,175 @@ struct VPaintData {
 	float vpimat[3][3];
 };
 
-static void vpaint_exit(bContext *C, wmOperator *op)
+static int vpaint_stroke_test_start(bContext *C, struct wmOperator *op, wmEvent *event)
 {
 	ToolSettings *ts= CTX_data_tool_settings(C);
-	struct VPaintData *vpd= op->customdata;
+	struct PaintStroke *stroke = op->customdata;
+	VPaint *vp= ts->vpaint;
+	struct VPaintData *vpd;
+	Object *ob= CTX_data_active_object(C);
+	Mesh *me;
+	float mat[4][4], imat[4][4];
+
+	/* context checks could be a poll() */
+	me= get_mesh(ob);
+	if(me==NULL || me->totface==0) return OPERATOR_PASS_THROUGH;
 	
-	if(vpd->vertexcosnos)
-		MEM_freeN(vpd->vertexcosnos);
-	MEM_freeN(vpd->indexar);
+	if(me->mcol==NULL) make_vertexcol(CTX_data_scene(C), 0);
+	if(me->mcol==NULL) return OPERATOR_CANCELLED;
 	
-	/* frees prev buffer */
-	copy_vpaint_prev(ts->vpaint, NULL, 0);
+	/* make mode data storage */
+	vpd= MEM_callocN(sizeof(struct VPaintData), "VPaintData");
+	paint_stroke_set_mode_data(stroke, vpd);
+	view3d_set_viewcontext(C, &vpd->vc);
 	
-	MEM_freeN(vpd);
-	op->customdata= NULL;
+	vpd->vertexcosnos= mesh_get_mapped_verts_nors(vpd->vc.scene, ob);
+	vpd->indexar= get_indexarray();
+	vpd->paintcol= vpaint_get_current_col(vp);
+	
+	/* for filtering */
+	copy_vpaint_prev(vp, (unsigned int *)me->mcol, me->totface);
+	
+	/* some old cruft to sort out later */
+	Mat4MulMat4(mat, ob->obmat, vpd->vc.rv3d->viewmat);
+	Mat4Invert(imat, mat);
+	Mat3CpyMat4(vpd->vpimat, imat);
+
+	return 1;
 }
 
-static int vpaint_modal(bContext *C, wmOperator *op, wmEvent *event)
+static void vpaint_stroke_update_step(bContext *C, struct PaintStroke *stroke, PointerRNA *itemptr)
 {
 	ToolSettings *ts= CTX_data_tool_settings(C);
+	struct VPaintData *vpd = paint_stroke_mode_data(stroke);
 	VPaint *vp= ts->vpaint;
-	
-	switch(event->type) {
-		case LEFTMOUSE:
-			if(event->val==0) { /* release */
-				vpaint_exit(C, op);
-				return OPERATOR_FINISHED;
-			}
-			/* pass on, first press gets painted too */
-			
-		case MOUSEMOVE: 
-		{
-			struct VPaintData *vpd= op->customdata;
-			ViewContext *vc= &vpd->vc;
-			Object *ob= vc->obact;
-			Mesh *me= ob->data;
-			float mat[4][4];
-			int *indexar= vpd->indexar;
-			int totindex, index;
-			short mval[2];
+	Brush *brush = paint_brush(&vp->paint);
+	ViewContext *vc= &vpd->vc;
+	Object *ob= vc->obact;
+	Mesh *me= ob->data;
+	float mat[4][4];
+	int *indexar= vpd->indexar;
+	int totindex, index;
+	float mval[2];
+
+	RNA_float_get_array(itemptr, "mouse", mval);
 			
-			view3d_operator_needs_opengl(C);
+	view3d_operator_needs_opengl(C);
 			
-			/* load projection matrix */
-			wmMultMatrix(ob->obmat);
-			wmGetSingleMatrix(mat);
-			wmLoadMatrix(vc->rv3d->viewmat);
+	/* load projection matrix */
+	wmMultMatrix(ob->obmat);
+	wmGetSingleMatrix(mat);
+	wmLoadMatrix(vc->rv3d->viewmat);
+
+	mval[0]-= vc->ar->winrct.xmin;
+	mval[1]-= vc->ar->winrct.ymin;
+
 			
-			mval[0]= event->x - vc->ar->winrct.xmin;
-			mval[1]= event->y - vc->ar->winrct.ymin;
-				
-			/* which faces are involved */
-			if(vp->flag & VP_AREA) {
-				totindex= sample_backbuf_area(vc, indexar, me->totface, mval[0], mval[1], vp->brush->size);
-			}
-			else {
-				indexar[0]= view3d_sample_backbuf(vc, mval[0], mval[1]);
-				if(indexar[0]) totindex= 1;
-				else totindex= 0;
-			}
+	/* which faces are involved */
+	if(vp->flag & VP_AREA) {
+		totindex= sample_backbuf_area(vc, indexar, me->totface, mval[0], mval[1], brush->size);
+	}
+	else {
+		indexar[0]= view3d_sample_backbuf(vc, mval[0], mval[1]);
+		if(indexar[0]) totindex= 1;
+		else totindex= 0;
+	}
 			
-			MTC_Mat4SwapMat4(vc->rv3d->persmat, mat);
+	MTC_Mat4SwapMat4(vc->rv3d->persmat, mat);
 			
-			if(vp->flag & VP_COLINDEX) {
-				for(index=0; index<totindex; index++) {
-					if(indexar[index] && indexar[index]<=me->totface) {
-						MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
+	if(vp->flag & VP_COLINDEX) {
+		for(index=0; index<totindex; index++) {
+			if(indexar[index] && indexar[index]<=me->totface) {
+				MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
 						
-						if(mface->mat_nr!=ob->actcol-1) {
-							indexar[index]= 0;
-						}
-					}					
+				if(mface->mat_nr!=ob->actcol-1) {
+					indexar[index]= 0;
 				}
-			}
-			if((G.f & G_FACESELECT) && me->mface) {
-				for(index=0; index<totindex; index++) {
-					if(indexar[index] && indexar[index]<=me->totface) {
-						MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
+			}					
+		}
+	}
+	if((G.f & G_FACESELECT) && me->mface) {
+		for(index=0; index<totindex; index++) {
+			if(indexar[index] && indexar[index]<=me->totface) {
+				MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
 						
-						if((mface->flag & ME_FACE_SEL)==0)
-							indexar[index]= 0;
-					}					
-				}
-			}
+				if((mface->flag & ME_FACE_SEL)==0)
+					indexar[index]= 0;
+			}					
+		}
+	}
 			
-			for(index=0; index<totindex; index++) {
+	for(index=0; index<totindex; index++) {
 				
-				if(indexar[index] && indexar[index]<=me->totface) {
-					MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
-					unsigned int *mcol=	  ( (unsigned int *)me->mcol) + 4*(indexar[index]-1);
-					unsigned int *mcolorig= ( (unsigned int *)vp->vpaint_prev) + 4*(indexar[index]-1);
-					int alpha;
+		if(indexar[index] && indexar[index]<=me->totface) {
+			MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
+			unsigned int *mcol=	  ( (unsigned int *)me->mcol) + 4*(indexar[index]-1);
+			unsigned int *mcolorig= ( (unsigned int *)vp->vpaint_prev) + 4*(indexar[index]-1);
+			int alpha;
 					
-					if(vp->mode==VP_BLUR) {
-						unsigned int fcol1= mcol_blend( mcol[0], mcol[1], 128);
-						if(mface->v4) {
-							unsigned int fcol2= mcol_blend( mcol[2], mcol[3], 128);
-							vpd->paintcol= mcol_blend( fcol1, fcol2, 128);
-						}
-						else {
-							vpd->paintcol= mcol_blend( mcol[2], fcol1, 170);
-						}
+			if(vp->mode==VP_BLUR) {
+				unsigned int fcol1= mcol_blend( mcol[0], mcol[1], 128);
+				if(mface->v4) {
+					unsigned int fcol2= mcol_blend( mcol[2], mcol[3], 128);
+					vpd->paintcol= mcol_blend( fcol1, fcol2, 128);
+				}
+				else {
+					vpd->paintcol= mcol_blend( mcol[2], fcol1, 170);
+				}
 						
-					}
+			}
 					
-					alpha= calc_vp_alpha_dl(vp, vc, vpd->vpimat, vpd->vertexcosnos+6*mface->v1, mval);
-					if(alpha) vpaint_blend(vp, mcol, mcolorig, vpd->paintcol, alpha);
+			alpha= calc_vp_alpha_dl(vp, vc, vpd->vpimat, vpd->vertexcosnos+6*mface->v1, mval);
+			if(alpha) vpaint_blend(vp, mcol, mcolorig, vpd->paintcol, alpha);
 					
-					alpha= calc_vp_alpha_dl(vp, vc, vpd->vpimat, vpd->vertexcosnos+6*mface->v2, mval);
-					if(alpha) vpaint_blend(vp, mcol+1, mcolorig+1, vpd->paintcol, alpha);
+			alpha= calc_vp_alpha_dl(vp, vc, vpd->vpimat, vpd->vertexcosnos+6*mface->v2, mval);
+			if(alpha) vpaint_blend(vp, mcol+1, mcolorig+1, vpd->paintcol, alpha);
 					
-					alpha= calc_vp_alpha_dl(vp, vc, vpd->vpimat, vpd->vertexcosnos+6*mface->v3, mval);
-					if(alpha) vpaint_blend(vp, mcol+2, mcolorig+2, vpd->paintcol, alpha);
+			alpha= calc_vp_alpha_dl(vp, vc, vpd->vpimat, vpd->vertexcosnos+6*mface->v3, mval);
+			if(alpha) vpaint_blend(vp, mcol+2, mcolorig+2, vpd->paintcol, alpha);
 					
-					if(mface->v4) {
-						alpha= calc_vp_alpha_dl(vp, vc, vpd->vpimat, vpd->vertexcosnos+6*mface->v4, mval);
-						if(alpha) vpaint_blend(vp, mcol+3, mcolorig+3, vpd->paintcol, alpha);
-					}
-				}
+			if(mface->v4) {
+				alpha= calc_vp_alpha_dl(vp, vc, vpd->vpimat, vpd->vertexcosnos+6*mface->v4, mval);
+				if(alpha) vpaint_blend(vp, mcol+3, mcolorig+3, vpd->paintcol, alpha);
 			}
+		}
+	}
 						
-			MTC_Mat4SwapMat4(vc->rv3d->persmat, mat);
+	MTC_Mat4SwapMat4(vc->rv3d->persmat, mat);
 			
-			do_shared_vertexcol(me);
+	do_shared_vertexcol(me);
 			
-			ED_region_tag_redraw(vc->ar);
+	ED_region_tag_redraw(vc->ar);
 			
-			DAG_object_flush_update(vc->scene, ob, OB_RECALC_DATA);
-		}
-		break;
-	}	
-
-	return OPERATOR_RUNNING_MODAL;
+	DAG_object_flush_update(vc->scene, ob, OB_RECALC_DATA);
 }
 
-static int vpaint_invoke(bContext *C, wmOperator *op, wmEvent *event)
+static void vpaint_stroke_done(bContext *C, struct PaintStroke *stroke)
 {
 	ToolSettings *ts= CTX_data_tool_settings(C);
-	VPaint *vp= ts->vpaint;
-	struct VPaintData *vpd;
-	Object *ob= CTX_data_active_object(C);
-	Mesh *me;
-	float mat[4][4], imat[4][4];
+	struct VPaintData *vpd= paint_stroke_mode_data(stroke);
 	
-	/* context checks could be a poll() */
-	me= get_mesh(ob);
-	if(me==NULL || me->totface==0) return OPERATOR_PASS_THROUGH;
-	
-	if(me->mcol==NULL) make_vertexcol(CTX_data_scene(C), 0);
-	if(me->mcol==NULL) return OPERATOR_CANCELLED;
-	
-	/* make customdata storage */
-	op->customdata= vpd= MEM_callocN(sizeof(struct VPaintData), "VPaintData");
-	view3d_set_viewcontext(C, &vpd->vc);
-	
-	vpd->vertexcosnos= mesh_get_mapped_verts_nors(vpd->vc.scene, ob);
-	vpd->indexar= get_indexarray();
-	vpd->paintcol= vpaint_get_current_col(vp);
+	if(vpd->vertexcosnos)
+		MEM_freeN(vpd->vertexcosnos);
+	MEM_freeN(vpd->indexar);
 	
-	/* for filtering */
-	copy_vpaint_prev(vp, (unsigned int *)me->mcol, me->totface);
+	/* frees prev buffer */
+	copy_vpaint_prev(ts->vpaint, NULL, 0);
 	
-	/* some old cruft to sort out later */
-	Mat4MulMat4(mat, ob->obmat, vpd->vc.rv3d->viewmat);
-	Mat4Invert(imat, mat);
-	Mat3CpyMat4(vpd->vpimat, imat);
+	MEM_freeN(vpd);
+}
+
+static int vpaint_invoke(bContext *C, wmOperator *op, wmEvent *event)
+{
 	
-	/* do paint once for click only paint */
-	vpaint_modal(C, op, event);
+	op->customdata = paint_stroke_new(C, vpaint_stroke_test_start,
+					  vpaint_stroke_update_step,
+					  vpaint_stroke_done);
 	
 	/* add modal handler */
 	WM_event_add_modal_handler(C, &CTX_wm_window(C)->handlers, op);
+
+	op->type->modal(C, op, event);
 	
 	return OPERATOR_RUNNING_MODAL;
 }
@@ -1859,11 +1799,13 @@ void PAINT_OT_vertex_paint(wmOperatorType *ot)
 	
 	/* api callbacks */
 	ot->invoke= vpaint_invoke;
-	ot->modal= vpaint_modal;
+	ot->modal= paint_stroke_modal;
 	/* ot->exec= vpaint_exec; <-- needs stroke property */
 	ot->poll= vp_poll;
 	
 	/* flags */
 	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING;
+
+	RNA_def_collection_runtime(ot->srna, "stroke", &RNA_OperatorStrokeElement, "Stroke", "");
 }
 
diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c
index 8cca135d99d..ba48bebce78 100644
--- a/source/blender/editors/sculpt_paint/sculpt.c
+++ b/source/blender/editors/sculpt_paint/sculpt.c
@@ -64,6 +64,7 @@
 #include "BKE_mesh.h"
 #include "BKE_modifier.h"
 #include "BKE_multires.h"
+#include "BKE_paint.h"
 #include "BKE_sculpt.h"
 #include "BKE_texture.h"
 #include "BKE_utildefines.h"
@@ -79,6 +80,7 @@
 #include "ED_space_api.h"
 #include "ED_util.h"
 #include "ED_view3d.h"
+#include "paint_intern.h"
 #include "sculpt_intern.h"
 
 #include "RNA_access.h"
@@ -124,29 +126,27 @@ typedef enum StrokeFlags {
 */
 typedef struct StrokeCache {
 	/* Invariants */
-	float radius;
+	float initial_radius;
 	float scale[3];
 	int flag;
 	float clip_tolerance[3];
-	int initial_mouse[2];
+	float initial_mouse[2];
 	float depth;
 
 	/* Variants */
+	float radius;
 	float true_location[3];
 	float location[3];
 	float flip;
 	float pressure;
-	int mouse[2];
+	float mouse[2];
 
 	/* The rest is temporary storage that isn't saved as a property */
 
 	int first_time; /* Beginning of stroke may do some things special */
 
-	ViewContext vc;
 	bglMats *mats;
 
-	float *layer_disps; /* Displacements for each vertex */
- 	float (*mesh_store)[3]; /* Copy of the mesh vertices' locations */
 	short (*orig_norms)[3]; /* Copy of the mesh vertices' normals */
 	float (*face_norms)[3]; /* Copy of the mesh faces' normals */
 	float rotation; /* Texture rotation (radians) for anchored and rake modes */
@@ -178,19 +178,6 @@ typedef struct ProjVert {
  * Simple functions to get data from the GL
  */
 
-/* Uses window coordinates (x,y) and depth component z to find a point in
-   modelspace */
-static void unproject(bglMats *mats, float out[3], const short x, const short y, const float z)
-{
-	double ux, uy, uz;
-
-        gluUnProject(x,y,z, mats->modelview, mats->projection,
-		     (GLint *)mats->viewport, &ux, &uy, &uz );
-	out[0] = ux;
-	out[1] = uy;
-	out[2] = uz;
-}
-
 /* Convert a point in model coordinates to 2D screen coordinates. */
 static void projectf(bglMats *mats, const float v[3], float p[2])
 {
@@ -215,36 +202,23 @@ static void project(bglMats *mats, const float v[3], short p[2])
  *
  */
 
-/* Return modified brush size. Uses current tablet pressure (if available) to
-   shrink the brush. Skipped for grab brush because only the first mouse down
-   size is used, which is small if the user has just touched the pen to the
-   tablet */
-static char brush_size(Sculpt *sd)
-{
-	float size= sd->brush->size;
-	
-	if((sd->brush->sculpt_tool != SCULPT_TOOL_GRAB) && (sd->brush->flag & BRUSH_SIZE_PRESSURE))
-		size *= sd->session->cache->pressure;
-
-	return size;
-}
-
 /* Return modified brush strength. Includes the direction of the brush, positive
    values pull vertices, negative values push. Uses tablet pressure and a
    special multiplier found experimentally to scale the strength factor. */
 static float brush_strength(Sculpt *sd, StrokeCache *cache)
 {
+	Brush *brush = paint_brush(&sd->paint);
 	/* Primary strength input; square it to make lower values more sensitive */
-	float alpha = sd->brush->alpha * sd->brush->alpha;
+	float alpha = brush->alpha * brush->alpha;
 
-	float dir= sd->brush->flag & BRUSH_DIR_IN ? -1 : 1;
+	float dir= brush->flag & BRUSH_DIR_IN ? -1 : 1;
 	float pressure= 1;
 	float flip= cache->flip ? -1:1;
 
-	if(sd->brush->flag & BRUSH_ALPHA_PRESSURE)
+	if(brush->flag & BRUSH_ALPHA_PRESSURE)
 		pressure *= cache->pressure;
 	
-	switch(sd->brush->sculpt_tool){
+	switch(brush->sculpt_tool){
 	case SCULPT_TOOL_DRAW:
 	case SCULPT_TOOL_INFLATE:
 	case SCULPT_TOOL_CLAY:
@@ -263,7 +237,7 @@ static float brush_strength(Sculpt *sd, StrokeCache *cache)
 }
 
 /* Handles clipping against a mirror modifier and SCULPT_LOCK axis flags */
-static void sculpt_clip(Sculpt *sd, float *co, const float val[3])
+static void sculpt_clip(Sculpt *sd, SculptSession *ss, float *co, const float val[3])
 {
 	int i;
 
@@ -271,7 +245,7 @@ static void sculpt_clip(Sculpt *sd, float *co, const float val[3])
 		if(sd->flags & (SCULPT_LOCK_X << i))
 			continue;
 
-		if((sd->session->cache->flag & (CLIP_X << i)) && (fabs(co[i]) <= sd->session->cache->clip_tolerance[i]))
+		if((ss->cache->flag & (CLIP_X << i)) && (fabs(co[i]) <= ss->cache->clip_tolerance[i]))
 			co[i]= 0.0f;
 		else
 			co[i]= val[i];
@@ -293,23 +267,24 @@ static void add_norm_if(float view_vec[3], float out[3], float out_flip[3], cons
 
 /* Currently only for the draw brush; finds average normal for all active
    vertices */
-static void calc_area_normal(Sculpt *sd, float out[3], const ListBase* active_verts)
+static void calc_area_normal(Sculpt *sd, SculptSession *ss, float out[3], const ListBase* active_verts)
 {
-	StrokeCache *cache = sd->session->cache;
+	Brush *brush = paint_brush(&sd->paint);
+	StrokeCache *cache = ss->cache;
 	ActiveData *node = active_verts->first;
-	const int view = 0; /* XXX: should probably be a flag, not number: sd->brush_type==SCULPT_TOOL_DRAW ? sculptmode_brush()->view : 0; */
+	const int view = 0; /* XXX: should probably be a flag, not number: brush_type==SCULPT_TOOL_DRAW ? sculptmode_brush()->view : 0; */
 	float out_flip[3];
 	float *out_dir = cache->view_normal_symmetry;
 	
 	out[0]=out[1]=out[2] = out_flip[0]=out_flip[1]=out_flip[2] = 0;
 
-	if(sd->brush->flag & BRUSH_ANCHORED) {
+	if(brush->flag & BRUSH_ANCHORED) {
 		for(; node; node = node->next)
 			add_norm_if(out_dir, out, out_flip, cache->orig_norms[node->Index]);
 	}
 	else {
 		for(; node; node = node->next)
-			add_norm_if(out_dir, out, out_flip, sd->session->mvert[node->Index].no);
+			add_norm_if(out_dir, out, out_flip, ss->mvert[node->Index].no);
 	}
 
 	if (out[0]==0.0 && out[1]==0.0 && out[2]==0.0) {
@@ -332,7 +307,7 @@ static void do_draw_brush(Sculpt *sd, SculptSession *ss, const ListBase* active_
 	float area_normal[3];
 	ActiveData *node= active_verts->first;
 
-	calc_area_normal(sd, area_normal, active_verts);
+	calc_area_normal(sd, ss, area_normal, active_verts);
 	
 	while(node){
 		float *co= ss->mvert[node->Index].co;
@@ -341,7 +316,7 @@ static void do_draw_brush(Sculpt *sd, SculptSession *ss, const ListBase* active_
 		                     co[1]+area_normal[1]*ss->cache->radius*node->Fade*ss->cache->scale[1],
 		                     co[2]+area_normal[2]*ss->cache->radius*node->Fade*ss->cache->scale[2]};
 		                     
-		sculpt_clip(sd, co, val);
+		sculpt_clip(sd, ss, co, val);
 		
 		node= node->next;
 	}
@@ -391,37 +366,37 @@ static void neighbor_average(SculptSession *ss, float avg[3], const int vert)
 		VecCopyf(avg, ss->mvert[vert].co);
 }
 
-static void do_smooth_brush(Sculpt *s, const ListBase* active_verts)
+static void do_smooth_brush(Sculpt *s, SculptSession *ss, const ListBase* active_verts)
 {
 	ActiveData *node= active_verts->first;
 	int i;
 	
 	for(i = 0; i < 2; ++i) {
 		while(node){
-			float *co= s->session->mvert[node->Index].co;
+			float *co= ss->mvert[node->Index].co;
 			float avg[3], val[3];
 			
-			neighbor_average(s->session, avg, node->Index);
+			neighbor_average(ss, avg, node->Index);
 			val[0] = co[0]+(avg[0]-co[0])*node->Fade;
 			val[1] = co[1]+(avg[1]-co[1])*node->Fade;
 			val[2] = co[2]+(avg[2]-co[2])*node->Fade;
 			
-			sculpt_clip(s, co, val);
+			sculpt_clip(s, ss, co, val);
 			node= node->next;
 		}
 	}
 }
 
-static void do_pinch_brush(Sculpt *s, const ListBase* active_verts)
+static void do_pinch_brush(Sculpt *s, SculptSession *ss, const ListBase* active_verts)
 {
  	ActiveData *node= active_verts->first;
 
 	while(node) {
-		float *co= s->session->mvert[node->Index].co;
-		const float val[3]= {co[0]+(s->session->cache->location[0]-co[0])*node->Fade,
-		                     co[1]+(s->session->cache->location[1]-co[1])*node->Fade,
-		                     co[2]+(s->session->cache->location[2]-co[2])*node->Fade};
-		sculpt_clip(s, co, val);
+		float *co= ss->mvert[node->Index].co;
+		const float val[3]= {co[0]+(ss->cache->location[0]-co[0])*node->Fade,
+		                     co[1]+(ss->cache->location[1]-co[1])*node->Fade,
+		                     co[2]+(ss->cache->location[2]-co[2])*node->Fade};
+		sculpt_clip(s, ss, co, val);
 		node= node->next;
 	}
 }
@@ -440,7 +415,7 @@ static void do_grab_brush(Sculpt *sd, SculptSession *ss)
 		VecCopyf(add, grab_delta);
 		VecMulf(add, node->Fade);
 		VecAddf(add, add, co);
-		sculpt_clip(sd, co, add);
+		sculpt_clip(sd, ss, co, add);
 
 		node= node->next;
 	}
@@ -456,10 +431,10 @@ static void do_layer_brush(Sculpt *sd, SculptSession *ss, const ListBase *active
 	if(ss->cache->flip)
 		lim = -lim;
 
-	calc_area_normal(sd, area_normal, active_verts);
+	calc_area_normal(sd, ss, area_normal, active_verts);
 
 	while(node){
-		float *disp= &ss->cache->layer_disps[node->Index];
+		float *disp= &ss->layer_disps[node->Index];
 		float *co= ss->mvert[node->Index].co;
 		float val[3];
 		
@@ -469,20 +444,19 @@ static void do_layer_brush(Sculpt *sd, SculptSession *ss, const ListBase *active
 		if((lim < 0 && *disp < lim) || (lim > 0 && *disp > lim))
 			*disp = lim;
 		
-		val[0] = ss->cache->mesh_store[node->Index][0]+area_normal[0] * *disp*ss->cache->scale[0];
-		val[1] = ss->cache->mesh_store[node->Index][1]+area_normal[1] * *disp*ss->cache->scale[1];
-		val[2] = ss->cache->mesh_store[node->Index][2]+area_normal[2] * *disp*ss->cache->scale[2];
+		val[0] = ss->mesh_co_orig[node->Index][0]+area_normal[0] * *disp*ss->cache->scale[0];
+		val[1] = ss->mesh_co_orig[node->Index][1]+area_normal[1] * *disp*ss->cache->scale[1];
+		val[2] = ss->mesh_co_orig[node->Index][2]+area_normal[2] * *disp*ss->cache->scale[2];
 
-		sculpt_clip(sd, co, val);
+		sculpt_clip(sd, ss, co, val);
 
 		node= node->next;
 	}
 }
 
-static void do_inflate_brush(Sculpt *s, const ListBase *active_verts)
+static void do_inflate_brush(Sculpt *s, SculptSession *ss, const ListBase *active_verts)
 {
 	ActiveData *node= active_verts->first;
-	SculptSession *ss = s->session;
 	float add[3];
 	
 	while(node) {
@@ -498,7 +472,7 @@ static void do_inflate_brush(Sculpt *s, const ListBase *active_verts)
 		add[2]*= ss->cache->scale[2];
 		VecAddf(add, add, co);
 		
-		sculpt_clip(s, co, add);
+		sculpt_clip(s, ss, co, add);
 
 		node= node->next;
 	}
@@ -527,46 +501,86 @@ static void calc_flatten_center(SculptSession *ss, ActiveData *node, float co[3]
 	VecMulf(co, 1.0f / FLATTEN_SAMPLE_SIZE);
 }
 
+/* Projects a point onto a plane along the plane's normal */
+static void point_plane_project(float intr[3], float co[3], float plane_normal[3], float plane_center[3])
+{
+	float p1[3], sub1[3], sub2[3];
+
+	/* Find the intersection between squash-plane and vertex (along the area normal) */
+	VecSubf(p1, co, plane_normal);
+	VecSubf(sub1, plane_center, p1);
+	VecSubf(sub2, co, p1);
+	VecSubf(intr, co, p1);
+	VecMulf(intr, Inpf(plane_normal, sub1) / Inpf(plane_normal, sub2));
+	VecAddf(intr, intr, p1);
+}
+
+static int plane_point_side(float co[3], float plane_normal[3], float plane_center[3], int flip)
+{
+	float delta[3];
+	float d;
+
+	VecSubf(delta, co, plane_center);
+	d = Inpf(plane_normal, delta);
+
+	if(flip)
+		d = -d;
+
+	return d <= 0.0f;
+}
+
 static void do_flatten_clay_brush(Sculpt *sd, SculptSession *ss, const ListBase *active_verts, int clay)
 {
 	ActiveData *node= active_verts->first;
 	/* area_normal and cntr define the plane towards which vertices are squashed */
 	float area_normal[3];
-	float cntr[3];
+	float cntr[3], cntr2[3], bstr = 0;
+	int flip = 0;
 
-	calc_area_normal(sd, area_normal, active_verts);
+	calc_area_normal(sd, ss, area_normal, active_verts);
 	calc_flatten_center(ss, node, cntr);
 
+	if(clay) {
+		bstr= brush_strength(sd, ss->cache);
+		/* Limit clay application to here */
+		cntr2[0]=cntr[0]+area_normal[0]*bstr*ss->cache->scale[0];
+		cntr2[1]=cntr[1]+area_normal[1]*bstr*ss->cache->scale[1];
+		cntr2[2]=cntr[2]+area_normal[2]*bstr*ss->cache->scale[2];
+		flip = bstr < 0;
+	}
+	
 	while(node){
 		float *co= ss->mvert[node->Index].co;
-		float p1[3], sub1[3], sub2[3], intr[3], val[3];
-		
-		/* Find the intersection between squash-plane and vertex (along the area normal) */
-		VecSubf(p1, co, area_normal);
-		VecSubf(sub1, cntr, p1);
-		VecSubf(sub2, co, p1);
-		VecSubf(intr, co, p1);
-		VecMulf(intr, Inpf(area_normal, sub1) / Inpf(area_normal, sub2));
-		VecAddf(intr, intr, p1);
-		
-		VecSubf(val, intr, co);
-		VecMulf(val, fabs(node->Fade));
-		VecAddf(val, val, co);
+		float intr[3], val[3];
 		
-		if(clay) {
-			/* Clay brush displaces after flattening */
-			float tmp[3];
-			VecCopyf(tmp, area_normal);
-			VecMulf(tmp, ss->cache->radius * node->Fade * 0.1);
-			VecAddf(val, val, tmp);
-		}
+		if(!clay || plane_point_side(co, area_normal, cntr2, flip)) {
+			/* Find the intersection between squash-plane and vertex (along the area normal) */		
+			point_plane_project(intr, co, area_normal, cntr);
+
+			VecSubf(val, intr, co);
 
-		sculpt_clip(sd, co, val);
+			if(clay) {
+				if(bstr > FLT_EPSILON)
+					VecMulf(val, node->Fade / bstr);
+				else
+					VecMulf(val, node->Fade);
+				/* Clay displacement */
+				val[0]+=area_normal[0] * ss->cache->scale[0]*node->Fade;
+				val[1]+=area_normal[1] * ss->cache->scale[1]*node->Fade;
+				val[2]+=area_normal[2] * ss->cache->scale[2]*node->Fade;
+			}
+			else
+				VecMulf(val, fabs(node->Fade));
+
+			VecAddf(val, val, co);
+
+			sculpt_clip(sd, ss, co, val);
+		}
 		
 		node= node->next;
 	}
 }
- 
+
 /* Uses symm to selectively flip any axis of a coordinate. */
 static void flip_coord(float out[3], float in[3], const char symm)
 {
@@ -622,35 +636,29 @@ static float get_texcache_pixel_bilinear(const SculptSession *ss, float u, float
 }
 
 /* Return a multiplier for brush strength on a particular vertex. */
-static float tex_strength(Sculpt *sd, float *point, const float len)
+static float tex_strength(Sculpt *sd, SculptSession *ss, float *point, const float len)
 {
-	SculptSession *ss= sd->session;
-	Brush *br = sd->brush;
+	Brush *br = paint_brush(&sd->paint);
+	MTex *tex = NULL;
 	float avg= 1;
 
-	if(br->texact==-1 || !br->mtex[br->texact])
+	if(br->texact >= 0)
+		tex = br->mtex[br->texact];
+
+	if(!tex) {
 		avg= 1;
-	else if(br->tex_mode==BRUSH_TEX_3D) {
-		/* Get strength by feeding the vertex location directly
-		   into a texture */
+	}
+	else if(tex->brush_map_mode == MTEX_MAP_MODE_3D) {
 		float jnk;
-		const float factor= 0.01;
-		MTex mtex;
-		memset(&mtex,0,sizeof(MTex));
-		mtex.tex= br->mtex[br->texact]->tex;
-		mtex.projx= 1;
-		mtex.projy= 2;
-		mtex.projz= 3;
-		VecCopyf(mtex.size, br->mtex[br->texact]->size);
-		VecMulf(mtex.size, factor);
-		if(!sd->texsep)
-			mtex.size[1]= mtex.size[2]= mtex.size[0];
-		
-		externtex(&mtex,point,&avg,&jnk,&jnk,&jnk,&jnk);
+
+		/* Get strength by feeding the vertex 
+		   location directly into a texture */
+		externtex(tex, point, &avg,
+			  &jnk, &jnk, &jnk, &jnk);
 	}
 	else if(ss->texcache) {
 		const float bsize= ss->cache->pixel_radius * 2;
-		const float rot= sd->brush->rot + ss->cache->rotation;
+		const float rot= tex->rot + ss->cache->rotation;
 		int px, py;
 		float flip[3], point_2d[2];
 
@@ -663,9 +671,9 @@ static float tex_strength(Sculpt *sd, float *point, const float len)
 
 		/* For Tile and Drag modes, get the 2D screen coordinates of the
 		   and scale them up or down to the texture size. */
-		if(br->tex_mode==BRUSH_TEX_TILE) {
-			const int sx= (const int)br->mtex[br->texact]->size[0];
-			const int sy= (const int)sd->texsep ? br->mtex[br->texact]->size[1] : sx;
+		if(tex->brush_map_mode == MTEX_MAP_MODE_TILED) {
+			const int sx= (const int)tex->size[0];
+			const int sy= (const int)tex->size[1];
 			
 			float fx= point_2d[0];
 			float fy= point_2d[1];
@@ -685,7 +693,8 @@ static float tex_strength(Sculpt *sd, float *point, const float len)
 			if(sy != 1)
 				py %= sy-1;
 			avg= get_texcache_pixel_bilinear(ss, ss->texcache_side*px/sx, ss->texcache_side*py/sy);
-		} else {
+		}
+		else if(tex->brush_map_mode == MTEX_MAP_MODE_FIXED) {
 			float fx= (point_2d[0] - ss->cache->mouse[0]) / bsize;
 			float fy= (point_2d[1] - ss->cache->mouse[1]) / bsize;
 
@@ -699,7 +708,7 @@ static float tex_strength(Sculpt *sd, float *point, const float len)
 		}
 	}
 
-	avg*= brush_curve_strength(sd->brush, len, ss->cache->radius); /* Falloff curve */
+	avg*= brush_curve_strength(br, len, ss->cache->radius); /* Falloff curve */
 
 	return avg;
 }
@@ -737,9 +746,9 @@ static void sculpt_add_damaged_rect(SculptSession *ss)
 	}
 }
 
-static void do_brush_action(Sculpt *sd, StrokeCache *cache)
+static void do_brush_action(Sculpt *sd, SculptSession *ss, StrokeCache *cache)
 {
-	SculptSession *ss = sd->session;
+	Brush *brush = paint_brush(&sd->paint);
 	float av_dist;
 	ListBase active_verts={0,0};
 	ListBase *grab_active_verts = &ss->cache->grab_active_verts[ss->cache->symmetry];
@@ -748,7 +757,7 @@ static void do_brush_action(Sculpt *sd, StrokeCache *cache)
 	Mesh *me= NULL; /*XXX: get_mesh(OBACT); */
 	const float bstrength= brush_strength(sd, cache);
 	KeyBlock *keyblock= NULL; /*XXX: ob_get_keyblock(OBACT); */
-	Brush *b = sd->brush;
+	Brush *b = brush;
 	int i;
 
 	sculpt_add_damaged_rect(ss);
@@ -768,7 +777,7 @@ static void do_brush_action(Sculpt *sd, StrokeCache *cache)
 					adata->Index = i;
 					/* Fade is used to store the final strength at which the brush
 					   should modify a particular vertex. */
-					adata->Fade= tex_strength(sd, vert, av_dist) * bstrength;
+					adata->Fade= tex_strength(sd, ss, vert, av_dist) * bstrength;
 					adata->dist = av_dist;
 
 					if(b->sculpt_tool == SCULPT_TOOL_GRAB && cache->first_time)
@@ -788,13 +797,13 @@ static void do_brush_action(Sculpt *sd, StrokeCache *cache)
 			do_draw_brush(sd, ss, &active_verts);
 			break;
 		case SCULPT_TOOL_SMOOTH:
-			do_smooth_brush(sd, &active_verts);
+			do_smooth_brush(sd, ss, &active_verts);
 			break;
 		case SCULPT_TOOL_PINCH:
-			do_pinch_brush(sd, &active_verts);
+			do_pinch_brush(sd, ss, &active_verts);
 			break;
 		case SCULPT_TOOL_INFLATE:
-			do_inflate_brush(sd, &active_verts);
+			do_inflate_brush(sd, ss, &active_verts);
 			break;
 		case SCULPT_TOOL_GRAB:
 			do_grab_brush(sd, ss);
@@ -843,20 +852,21 @@ static void calc_brushdata_symm(StrokeCache *cache, const char symm)
 	cache->symmetry= symm;
 }
 
-static void do_symmetrical_brush_actions(Sculpt *sd, StrokeCache *cache)
+static void do_symmetrical_brush_actions(Sculpt *sd, SculptSession *ss)
 {
+	StrokeCache *cache = ss->cache;
 	const char symm = sd->flags & 7;
 	int i;
 
 	VecCopyf(cache->location, cache->true_location);
 	VecCopyf(cache->grab_delta_symmetry, cache->grab_delta);
 	cache->symmetry = 0;
-	do_brush_action(sd, cache);
+	do_brush_action(sd, ss, cache);
 
 	for(i = 1; i <= symm; ++i) {
 		if(symm & i && (symm != 5 || i != 3) && (symm != 6 || (i != 3 && i != 5))) {
 			calc_brushdata_symm(cache, i);
-			do_brush_action(sd, cache);
+			do_brush_action(sd, ss, cache);
 		}
 	}
 
@@ -929,9 +939,9 @@ static void projverts_clear_inside(SculptSession *ss)
 }
 #endif
 
-static void sculpt_update_tex(Sculpt *sd)
+static void sculpt_update_tex(Sculpt *sd, SculptSession *ss)
 {
-	SculptSession *ss= sd->session;
+	Brush *brush = paint_brush(&sd->paint);
 
 	if(ss->texcache) {
 		MEM_freeN(ss->texcache);
@@ -939,9 +949,9 @@ static void sculpt_update_tex(Sculpt *sd)
 	}
 
 	/* Need to allocate a bigger buffer for bigger brush size */
-	ss->texcache_side = sd->brush->size * 2;
+	ss->texcache_side = brush->size * 2;
 	if(!ss->texcache || ss->texcache_side > ss->texcache_actual) {
-		ss->texcache = brush_gen_texture_cache(sd->brush, sd->brush->size);
+		ss->texcache = brush_gen_texture_cache(brush, brush->size);
 		ss->texcache_actual = ss->texcache_side;
 	}
 }
@@ -992,8 +1002,8 @@ static struct MultiresModifierData *sculpt_multires_active(Object *ob)
 
 static void sculpt_update_mesh_elements(bContext *C)
 {
-	SculptSession *ss = CTX_data_tool_settings(C)->sculpt->session;
 	Object *ob = CTX_data_active_object(C);
+	SculptSession *ss = ob->sculpt;
 	int oldtotvert = ss->totvert;
 
 	if((ss->multires = sculpt_multires_active(ob))) {
@@ -1026,54 +1036,20 @@ static void sculpt_update_mesh_elements(bContext *C)
 
 static int sculpt_mode_poll(bContext *C)
 {
-	return G.f & G_SCULPTMODE;
+	Object *ob = CTX_data_active_object(C);
+	return ob && ob->mode & OB_MODE_SCULPT;
 }
 
 static int sculpt_poll(bContext *C)
 {
-	return G.f & G_SCULPTMODE && CTX_wm_area(C)->spacetype == SPACE_VIEW3D &&
-		CTX_wm_region(C)->regiontype == RGN_TYPE_WINDOW;
-}
-
-/*** Sculpt Cursor ***/
-static void draw_paint_cursor(bContext *C, int x, int y, void *customdata)
-{
-	Sculpt *sd= CTX_data_tool_settings(C)->sculpt;
-	
-	glColor4ub(255, 100, 100, 128);
-	glEnable( GL_LINE_SMOOTH );
-	glEnable(GL_BLEND);
-
-	glTranslatef((float)x, (float)y, 0.0f);
-	glutil_draw_lined_arc(0.0, M_PI*2.0, sd->brush->size, 40);
-	glTranslatef((float)-x, (float)-y, 0.0f);
-
-	if(sd->session && sd->session->cache && sd->brush && (sd->brush->flag & BRUSH_SMOOTH_STROKE)) {
-		ARegion *ar = CTX_wm_region(C);
-		sdrawline(x, y, sd->session->cache->mouse[0] - ar->winrct.xmin, sd->session->cache->mouse[1] - ar->winrct.ymin);
-	}
-
-	glDisable(GL_BLEND);
-	glDisable( GL_LINE_SMOOTH );
-}
-
-static void toggle_paint_cursor(bContext *C)
-{
-	Sculpt *s = CTX_data_scene(C)->toolsettings->sculpt;
-
-	if(s->session->cursor) {
-		WM_paint_cursor_end(CTX_wm_manager(C), s->session->cursor);
-		s->session->cursor = NULL;
-	}
-	else {
-		s->session->cursor =
-			WM_paint_cursor_activate(CTX_wm_manager(C), sculpt_poll, draw_paint_cursor, NULL);
-	}
+	return sculpt_mode_poll(C) && paint_poll(C);
 }
 
 static void sculpt_undo_push(bContext *C, Sculpt *sd)
 {
-	switch(sd->brush->sculpt_tool) {
+	Brush *brush = paint_brush(&sd->paint);
+
+	switch(brush->sculpt_tool) {
 	case SCULPT_TOOL_DRAW:
 		ED_undo_push(C, "Draw Brush"); break;
 	case SCULPT_TOOL_SMOOTH:
@@ -1093,36 +1069,15 @@ static void sculpt_undo_push(bContext *C, Sculpt *sd)
 	}
 }
 
-static int sculpt_brush_curve_preset_exec(bContext *C, wmOperator *op)
-{
-	brush_curve_preset(CTX_data_scene(C)->toolsettings->sculpt->brush, RNA_enum_get(op->ptr, "mode"));
-	return OPERATOR_FINISHED;
-}
-
-static void SCULPT_OT_brush_curve_preset(wmOperatorType *ot)
-{
-	static EnumPropertyItem prop_mode_items[] = {
-		{BRUSH_PRESET_SHARP, "SHARP", 0, "Sharp Curve", ""},
-		{BRUSH_PRESET_SMOOTH, "SMOOTH", 0, "Smooth Curve", ""},
-		{BRUSH_PRESET_MAX, "MAX", 0, "Max Curve", ""},
-		{0, NULL, 0, NULL, NULL}};
-
-	ot->name= "Preset";
-	ot->idname= "SCULPT_OT_brush_curve_preset";
-
-	ot->exec= sculpt_brush_curve_preset_exec;
-	ot->poll= sculpt_mode_poll;
-
-	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
-
-	RNA_def_enum(ot->srna, "mode", prop_mode_items, BRUSH_PRESET_SHARP, "Mode", "");
-}
-
 /**** Radial control ****/
 static int sculpt_radial_control_invoke(bContext *C, wmOperator *op, wmEvent *event)
 {
-	toggle_paint_cursor(C);
-	brush_radial_control_invoke(op, CTX_data_scene(C)->toolsettings->sculpt->brush, 1);
+	Paint *p = paint_get_active(CTX_data_scene(C));
+	Brush *brush = paint_brush(p);
+
+	WM_paint_cursor_end(CTX_wm_manager(C), p->paint_cursor);
+	p->paint_cursor = NULL;
+	brush_radial_control_invoke(op, brush, 1);
 	return WM_radial_control_invoke(C, op, event);
 }
 
@@ -1130,13 +1085,15 @@ static int sculpt_radial_control_modal(bContext *C, wmOperator *op, wmEvent *eve
 {
 	int ret = WM_radial_control_modal(C, op, event);
 	if(ret != OPERATOR_RUNNING_MODAL)
-		toggle_paint_cursor(C);
+		paint_cursor_start(C, sculpt_poll);
 	return ret;
 }
 
 static int sculpt_radial_control_exec(bContext *C, wmOperator *op)
 {
-	return brush_radial_control_exec(op, CTX_data_scene(C)->toolsettings->sculpt->brush, 1);
+	Brush *brush = paint_brush(&CTX_data_tool_settings(C)->sculpt->paint);
+
+	return brush_radial_control_exec(op, brush, 1);
 }
 
 static void SCULPT_OT_radial_control(wmOperatorType *ot)
@@ -1162,7 +1119,7 @@ static float unproject_brush_radius(SculptSession *ss, float offset)
 	float brush_edge[3];
 
 	/* In anchored mode, brush size changes with mouse loc, otherwise it's fixed using the brush radius */
-	unproject(ss->cache->mats, brush_edge, ss->cache->initial_mouse[0] + offset,
+	view3d_unproject(ss->cache->mats, brush_edge, ss->cache->initial_mouse[0] + offset,
 		  ss->cache->initial_mouse[1], ss->cache->depth);
 
 	return VecLenf(ss->cache->true_location, brush_edge);
@@ -1170,31 +1127,32 @@ static float unproject_brush_radius(SculptSession *ss, float offset)
 
 static void sculpt_cache_free(StrokeCache *cache)
 {
-	if(cache->layer_disps)
-		MEM_freeN(cache->layer_disps);
-	if(cache->mesh_store)
-		MEM_freeN(cache->mesh_store);
+	int i;
 	if(cache->orig_norms)
 		MEM_freeN(cache->orig_norms);
 	if(cache->face_norms)
 		MEM_freeN(cache->face_norms);
 	if(cache->mats)
 		MEM_freeN(cache->mats);
+	for(i = 0; i < 8; ++i) 
+		BLI_freelistN(&cache->grab_active_verts[i]);
 	MEM_freeN(cache);
 }
 
 /* Initialize the stroke cache invariants from operator properties */
-static void sculpt_update_cache_invariants(Sculpt *sd, bContext *C, wmOperator *op)
+static void sculpt_update_cache_invariants(Sculpt *sd, SculptSession *ss, bContext *C, wmOperator *op)
 {
 	StrokeCache *cache = MEM_callocN(sizeof(StrokeCache), "stroke cache");
+	Brush *brush = paint_brush(&sd->paint);
+	ViewContext *vc = paint_stroke_view_context(op->customdata);
 	int i;
 
-	sd->session->cache = cache;
+	ss->cache = cache;
 
 	RNA_float_get_array(op->ptr, "scale", cache->scale);
 	cache->flag = RNA_int_get(op->ptr, "flag");
 	RNA_float_get_array(op->ptr, "clip_tolerance", cache->clip_tolerance);
-	RNA_int_get_array(op->ptr, "initial_mouse", cache->initial_mouse);
+	RNA_float_get_array(op->ptr, "initial_mouse", cache->initial_mouse);
 	cache->depth = RNA_float_get(op->ptr, "depth");
 
 	cache->mouse[0] = cache->initial_mouse[0];
@@ -1202,70 +1160,88 @@ static void sculpt_update_cache_invariants(Sculpt *sd, bContext *C, wmOperator *
 
 	/* Truly temporary data that isn't stored in properties */
 
-	view3d_set_viewcontext(C, &cache->vc);
-
 	cache->mats = MEM_callocN(sizeof(bglMats), "sculpt bglMats");
-	view3d_get_transformation(&cache->vc, cache->vc.obact, cache->mats);
+	view3d_get_transformation(vc, vc->obact, cache->mats);
 
 	sculpt_update_mesh_elements(C);
 
-	if(sd->brush->sculpt_tool == SCULPT_TOOL_LAYER)
-		cache->layer_disps = MEM_callocN(sizeof(float) * sd->session->totvert, "layer brush displacements");
+	/* Initialize layer brush displacements */
+	if(brush->sculpt_tool == SCULPT_TOOL_LAYER &&
+	   (!ss->layer_disps || !(brush->flag & BRUSH_PERSISTENT))) {
+		if(ss->layer_disps)
+			MEM_freeN(ss->layer_disps);
+		ss->layer_disps = MEM_callocN(sizeof(float) * ss->totvert, "layer brush displacements");
+	}
 
 	/* Make copies of the mesh vertex locations and normals for some tools */
-	if(sd->brush->sculpt_tool == SCULPT_TOOL_LAYER || (sd->brush->flag & BRUSH_ANCHORED)) {
-		cache->mesh_store= MEM_mallocN(sizeof(float) * 3 * sd->session->totvert, "sculpt mesh vertices copy");
-		for(i = 0; i < sd->session->totvert; ++i)
-			VecCopyf(cache->mesh_store[i], sd->session->mvert[i].co);
-
-		if(sd->brush->flag & BRUSH_ANCHORED) {
-			cache->orig_norms= MEM_mallocN(sizeof(short) * 3 * sd->session->totvert, "Sculpt orig norm");
-			for(i = 0; i < sd->session->totvert; ++i) {
-				cache->orig_norms[i][0] = sd->session->mvert[i].no[0];
-				cache->orig_norms[i][1] = sd->session->mvert[i].no[1];
-				cache->orig_norms[i][2] = sd->session->mvert[i].no[2];
+	if(brush->sculpt_tool == SCULPT_TOOL_LAYER || (brush->flag & BRUSH_ANCHORED)) {
+		if(brush->sculpt_tool != SCULPT_TOOL_LAYER ||
+		   !ss->mesh_co_orig || !(brush->flag & BRUSH_PERSISTENT)) {
+			if(!ss->mesh_co_orig)
+				ss->mesh_co_orig= MEM_mallocN(sizeof(float) * 3 * ss->totvert,
+								       "sculpt mesh vertices copy");
+			for(i = 0; i < ss->totvert; ++i)
+				VecCopyf(ss->mesh_co_orig[i], ss->mvert[i].co);
+		}
+
+		if(brush->flag & BRUSH_ANCHORED) {
+			cache->orig_norms= MEM_mallocN(sizeof(short) * 3 * ss->totvert, "Sculpt orig norm");
+			for(i = 0; i < ss->totvert; ++i) {
+				cache->orig_norms[i][0] = ss->mvert[i].no[0];
+				cache->orig_norms[i][1] = ss->mvert[i].no[1];
+				cache->orig_norms[i][2] = ss->mvert[i].no[2];
 			}
 
-			if(sd->session->face_normals) {
-				float *fn = sd->session->face_normals;
-				cache->face_norms= MEM_mallocN(sizeof(float) * 3 * sd->session->totface, "Sculpt face norms");
-				for(i = 0; i < sd->session->totface; ++i, fn += 3)
+			if(ss->face_normals) {
+				float *fn = ss->face_normals;
+				cache->face_norms= MEM_mallocN(sizeof(float) * 3 * ss->totface, "Sculpt face norms");
+				for(i = 0; i < ss->totface; ++i, fn += 3)
 					VecCopyf(cache->face_norms[i], fn);
 			}
 		}
 	}
 
-	unproject(cache->mats, cache->true_location, cache->initial_mouse[0], cache->initial_mouse[1], cache->depth);
-	cache->radius = unproject_brush_radius(sd->session, brush_size(sd));
+	view3d_unproject(cache->mats, cache->true_location, cache->initial_mouse[0], cache->initial_mouse[1], cache->depth);
+	cache->initial_radius = unproject_brush_radius(ss, brush->size);
 	cache->rotation = 0;
 	cache->first_time = 1;
 }
 
 /* Initialize the stroke cache variants from operator properties */
-static void sculpt_update_cache_variants(Sculpt *sd, PointerRNA *ptr)
+static void sculpt_update_cache_variants(Sculpt *sd, SculptSession *ss, PointerRNA *ptr)
 {
-	StrokeCache *cache = sd->session->cache;
+	StrokeCache *cache = ss->cache;
+	Brush *brush = paint_brush(&sd->paint);
 	float grab_location[3];
+	
 	int dx, dy;
 
-	if(!(sd->brush->flag & BRUSH_ANCHORED))
+	if(!(brush->flag & BRUSH_ANCHORED))
 		RNA_float_get_array(ptr, "location", cache->true_location);
 	cache->flip = RNA_boolean_get(ptr, "flip");
-	RNA_int_get_array(ptr, "mouse", cache->mouse);
+	RNA_float_get_array(ptr, "mouse", cache->mouse);
+	cache->pressure = RNA_float_get(ptr, "pressure");
 	
 	/* Truly temporary data that isn't stored in properties */
 
 	cache->previous_pixel_radius = cache->pixel_radius;
-	cache->pixel_radius = brush_size(sd);
+	cache->pixel_radius = brush->size;
+
+	if(brush->flag & BRUSH_SIZE_PRESSURE) {
+		cache->pixel_radius *= cache->pressure;
+		cache->radius = cache->initial_radius * cache->pressure;
+	}
+	else
+		cache->radius = cache->initial_radius;
 
-	if(sd->brush->flag & BRUSH_ANCHORED) {
+	if(brush->flag & BRUSH_ANCHORED) {
 		dx = cache->mouse[0] - cache->initial_mouse[0];
 		dy = cache->mouse[1] - cache->initial_mouse[1];
 		cache->pixel_radius = sqrt(dx*dx + dy*dy);
-		cache->radius = unproject_brush_radius(sd->session, cache->pixel_radius);
+		cache->radius = unproject_brush_radius(ss, cache->pixel_radius);
 		cache->rotation = atan2(dy, dx);
 	}
-	else if(sd->brush->flag & BRUSH_RAKE) {
+	else if(brush->flag & BRUSH_RAKE) {
 		int update;
 
 		dx = cache->last_rake[0] - cache->mouse[0];
@@ -1284,8 +1260,8 @@ static void sculpt_update_cache_variants(Sculpt *sd, PointerRNA *ptr)
 	}
 
 	/* Find the grab delta */
-	if(sd->brush->sculpt_tool == SCULPT_TOOL_GRAB) {
-		unproject(cache->mats, grab_location, cache->mouse[0], cache->mouse[1], cache->depth);
+	if(brush->sculpt_tool == SCULPT_TOOL_GRAB) {
+		view3d_unproject(cache->mats, grab_location, cache->mouse[0], cache->mouse[1], cache->depth);
 		if(!cache->first_time)
 			VecSubf(cache->grab_delta, grab_location, cache->old_grab_location);
 		VecCopyf(cache->old_grab_location, grab_location);
@@ -1298,9 +1274,9 @@ static void sculpt_brush_stroke_init_properties(bContext *C, wmOperator *op, wmE
 	Sculpt *sd = CTX_data_tool_settings(C)->sculpt;
 	Object *ob= CTX_data_active_object(C);
 	ModifierData *md;
-	ViewContext vc;
 	float scale[3], clip_tolerance[3] = {0,0,0};
-	int mouse[2], flag = 0;
+	float mouse[2];
+	int flag = 0;
 
 	/* Set scaling adjustment */
 	scale[0] = 1.0f / ob->size[0];
@@ -1327,42 +1303,39 @@ static void sculpt_brush_stroke_init_properties(bContext *C, wmOperator *op, wmE
 	/* Initial mouse location */
 	mouse[0] = event->x;
 	mouse[1] = event->y;
-	RNA_int_set_array(op->ptr, "initial_mouse", mouse);
+	RNA_float_set_array(op->ptr, "initial_mouse", mouse);
 
 	/* Initial screen depth under the mouse */
-	view3d_set_viewcontext(C, &vc);
-	RNA_float_set(op->ptr, "depth", read_cached_depth(&vc, event->x, event->y));
+	RNA_float_set(op->ptr, "depth", read_cached_depth(paint_stroke_view_context(op->customdata), event->x, event->y));
 
-	sculpt_update_cache_invariants(sd, C, op);
+	sculpt_update_cache_invariants(sd, ss, C, op);
 }
 
-static int sculpt_brush_stroke_invoke(bContext *C, wmOperator *op, wmEvent *event)
+static void sculpt_brush_stroke_init(bContext *C)
 {
 	Sculpt *sd = CTX_data_tool_settings(C)->sculpt;
+	SculptSession *ss = CTX_data_active_object(C)->sculpt;
 
 	view3d_operator_needs_opengl(C);
 
 	/* TODO: Shouldn't really have to do this at the start of every
 	   stroke, but sculpt would need some sort of notification when
 	   changes are made to the texture. */
-	sculpt_update_tex(sd);
+	sculpt_update_tex(sd, ss);
 
-	/* add modal handler */
-	WM_event_add_modal_handler(C, &CTX_wm_window(C)->handlers, op);
-	
-	return OPERATOR_RUNNING_MODAL;
+	sculpt_update_mesh_elements(C);
 }
 
-static void sculpt_restore_mesh(Sculpt *sd)
+static void sculpt_restore_mesh(Sculpt *sd, SculptSession *ss)
 {
-	SculptSession *ss = sd->session;
 	StrokeCache *cache = ss->cache;
+	Brush *brush = paint_brush(&sd->paint);
 	int i;
 	
 	/* Restore the mesh before continuing with anchored stroke */
-	if((sd->brush->flag & BRUSH_ANCHORED) && cache->mesh_store) {
+	if((brush->flag & BRUSH_ANCHORED) && ss->mesh_co_orig) {
 		for(i = 0; i < ss->totvert; ++i) {
-			VecCopyf(ss->mvert[i].co, cache->mesh_store[i]);
+			VecCopyf(ss->mvert[i].co, ss->mesh_co_orig[i]);
 			ss->mvert[i].no[0] = cache->orig_norms[i][0];
 			ss->mvert[i].no[1] = cache->orig_norms[i][1];
 			ss->mvert[i].no[2] = cache->orig_norms[i][2];
@@ -1374,8 +1347,8 @@ static void sculpt_restore_mesh(Sculpt *sd)
 				VecCopyf(fn, cache->face_norms[i]);
 		}
 
-		if(sd->brush->sculpt_tool == SCULPT_TOOL_LAYER)
-			memset(cache->layer_disps, 0, sizeof(float) * ss->totvert);
+		if(brush->sculpt_tool == SCULPT_TOOL_LAYER)
+			memset(ss->layer_disps, 0, sizeof(float) * ss->totvert);
 	}
 }
 
@@ -1387,187 +1360,107 @@ static void sculpt_post_stroke_free(SculptSession *ss)
 
 static void sculpt_flush_update(bContext *C)
 {
-	Sculpt *s = CTX_data_tool_settings(C)->sculpt;
+	Object *ob = CTX_data_active_object(C);
+	SculptSession *ss = ob->sculpt;
 	ARegion *ar = CTX_wm_region(C);
-	MultiresModifierData *mmd = s->session->multires;
+	MultiresModifierData *mmd = ss->multires;
 
-	calc_damaged_verts(s->session);
+	calc_damaged_verts(ss);
 
 	if(mmd) {
-		if(mmd->undo_verts && mmd->undo_verts != s->session->mvert)
+		if(mmd->undo_verts && mmd->undo_verts != ss->mvert)
 			MEM_freeN(mmd->undo_verts);
 		
-		mmd->undo_verts = s->session->mvert;
-		mmd->undo_verts_tot = s->session->totvert;
-		multires_mark_as_modified(CTX_data_active_object(C));
+		mmd->undo_verts = ss->mvert;
+		mmd->undo_verts_tot = ss->totvert;
+		multires_mark_as_modified(ob);
 	}
 
 	ED_region_tag_redraw(ar);
 }
 
-/* Returns zero if no sculpt changes should be made, non-zero otherwise */
-static int sculpt_smooth_stroke(Sculpt *s, int output[2], wmEvent *event)
+static int sculpt_stroke_test_start(bContext *C, struct wmOperator *op, wmEvent *event)
 {
-	output[0] = event->x;
-	output[1] = event->y;
-
-	if(s->brush->flag & BRUSH_SMOOTH_STROKE && s->brush->sculpt_tool != SCULPT_TOOL_GRAB) {
-		StrokeCache *cache = s->session->cache;
-		float u = .9, v = 1.0 - u;
-		int dx = cache->mouse[0] - event->x, dy = cache->mouse[1] - event->y;
-		int radius = 50;
-
-		/* If the mouse is moving within the radius of the last move,
-		   don't update the mouse position. This allows sharp turns. */
-		if(dx*dx + dy*dy < radius*radius)
-			return 0;
-
-		output[0] = event->x * v + cache->mouse[0] * u;
-		output[1] = event->y * v + cache->mouse[1] * u;
-	}
+	ViewContext vc;
+	float cur_depth;
 
-	return 1;
-}
+	view3d_set_viewcontext(C, &vc);
+	cur_depth = read_cached_depth(&vc, event->x, event->y);
+	
+	/* Don't start the stroke until a valid depth is found */
+	if(cur_depth < 1.0 - FLT_EPSILON) {
+		SculptSession *ss = CTX_data_active_object(C)->sculpt;
 
-/* Returns zero if the stroke dots should not be spaced, non-zero otherwise */
-int sculpt_space_stroke_enabled(Sculpt *s)
-{
-	Brush *br = s->brush;
-	return (br->flag & BRUSH_SPACE) && !(br->flag & BRUSH_ANCHORED) && (br->sculpt_tool != SCULPT_TOOL_GRAB);
+		sculpt_brush_stroke_init_properties(C, op, event, ss);
+		sculptmode_update_all_projverts(ss);
+
+		return 1;
+	}
+	else
+		return 0;
 }
 
-/* Put the location of the next sculpt stroke dot into the stroke RNA and apply it to the mesh */
-static void sculpt_brush_stroke_add_step(bContext *C, wmOperator *op, wmEvent *event, int mouse[2])
+static void sculpt_stroke_update_step(bContext *C, struct PaintStroke *stroke, PointerRNA *itemptr)
 {
 	Sculpt *sd = CTX_data_tool_settings(C)->sculpt;
-	StrokeCache *cache = sd->session->cache;
-	PointerRNA itemptr;
-	float cur_depth;
-	float center[3];
-
-	cur_depth = read_cached_depth(&cache->vc, mouse[0], mouse[1]);
-	unproject(sd->session->cache->mats, center, mouse[0], mouse[1], cur_depth);
-				
-	/* Add to stroke */
-	RNA_collection_add(op->ptr, "stroke", &itemptr);
-	RNA_float_set_array(&itemptr, "location", center);
-	RNA_int_set_array(&itemptr, "mouse", mouse);
-	RNA_boolean_set(&itemptr, "flip", event->shift);
-	sculpt_update_cache_variants(sd, &itemptr);
-				
-	sculpt_restore_mesh(sd);
-	do_symmetrical_brush_actions(sd, cache);
-}
+	SculptSession *ss = CTX_data_active_object(C)->sculpt;
 
-/* For brushes with stroke spacing enabled, moves mouse in steps
-   towards the final mouse location. */
-static int sculpt_space_stroke(bContext *C, wmOperator *op, wmEvent *event, Sculpt *s, const int final_mouse[2])
-{
-	StrokeCache *cache = s->session->cache;
-	int cnt = 0;
-
-	if(sculpt_space_stroke_enabled(s)) {
-		float vec[2] = {final_mouse[0] - cache->mouse[0], final_mouse[1] - cache->mouse[1]};
-		int mouse[2] = {cache->mouse[0], cache->mouse[1]};
-		float length, scale;
-		int steps = 0, i;
-
-		/* Normalize the vector between the last stroke dot and the goal */
-		length = sqrt(vec[0]*vec[0] + vec[1]*vec[1]);
-
-		if(length > FLT_EPSILON) {
-			scale = s->brush->spacing / length;
-			vec[0] *= scale;
-			vec[1] *= scale;
-
-			steps = (int)(length / s->brush->spacing);
-			for(i = 0; i < steps; ++i, ++cnt) {
-				mouse[0] += vec[0];
-				mouse[1] += vec[1];
-				sculpt_brush_stroke_add_step(C, op, event, mouse);
-			}
-		}
-	}
+	sculpt_update_cache_variants(sd, ss, itemptr);
+	sculpt_restore_mesh(sd, ss);
+	do_symmetrical_brush_actions(sd, ss);
 
-	return cnt;
+	/* Cleanup */
+	sculpt_flush_update(C);
+	sculpt_post_stroke_free(ss);
 }
 
-static int sculpt_brush_stroke_modal(bContext *C, wmOperator *op, wmEvent *event)
+static void sculpt_stroke_done(bContext *C, struct PaintStroke *stroke)
 {
-	Sculpt *sd = CTX_data_tool_settings(C)->sculpt;
-	ARegion *ar = CTX_wm_region(C);
-	float cur_depth;
-
-	sculpt_update_mesh_elements(C);
+	SculptSession *ss = CTX_data_active_object(C)->sculpt;
 
-	if(!sd->session->cache) {
-		ViewContext vc;
-		view3d_set_viewcontext(C, &vc);
-		cur_depth = read_cached_depth(&vc, event->x, event->y);
-
-		/* Don't start the stroke until a valid depth is found */
-		if(cur_depth < 1.0 - FLT_EPSILON) {
-			sculpt_brush_stroke_init_properties(C, op, event, sd->session);
-			sculptmode_update_all_projverts(sd->session);
-		}
+	/* Finished */
+	if(ss->cache) {
+		Sculpt *sd = CTX_data_tool_settings(C)->sculpt;		
 
-		ED_region_tag_redraw(ar);
+		request_depth_update(paint_stroke_view_context(stroke)->rv3d);
+		sculpt_cache_free(ss->cache);
+		ss->cache = NULL;
+		sculpt_undo_push(C, sd);
 	}
+}
 
-	if(sd->session->cache) {
-		int mouse[2];
-
-		if(sculpt_smooth_stroke(sd, mouse, event)) {
-			if(sculpt_space_stroke_enabled(sd)) {
-				if(!sculpt_space_stroke(C, op, event, sd, mouse))
-					ED_region_tag_redraw(ar);
-			}
-			else
-				sculpt_brush_stroke_add_step(C, op, event, mouse);
-
-			sculpt_flush_update(C);
-			sculpt_post_stroke_free(sd->session);
-		}
-		else
-			ED_region_tag_redraw(ar);
-	}
+static int sculpt_brush_stroke_invoke(bContext *C, wmOperator *op, wmEvent *event)
+{
+	sculpt_brush_stroke_init(C);
 
-	/* Finished */
-	if(event->type == LEFTMOUSE && event->val == 0) {
-		if(sd->session->cache) {
-			request_depth_update(sd->session->cache->vc.rv3d);
-			sculpt_cache_free(sd->session->cache);
-			sd->session->cache = NULL;
-			sculpt_undo_push(C, sd);
-		}
+	op->customdata = paint_stroke_new(C, sculpt_stroke_test_start,
+					  sculpt_stroke_update_step,
+					  sculpt_stroke_done);
 
-		return OPERATOR_FINISHED;
-	}
+	/* add modal handler */
+	WM_event_add_modal_handler(C, &CTX_wm_window(C)->handlers, op);
 
+	op->type->modal(C, op, event);
+	
 	return OPERATOR_RUNNING_MODAL;
 }
 
 static int sculpt_brush_stroke_exec(bContext *C, wmOperator *op)
 {
 	Sculpt *sd = CTX_data_tool_settings(C)->sculpt;
+	SculptSession *ss = CTX_data_active_object(C)->sculpt;
 
-	view3d_operator_needs_opengl(C);
-	sculpt_update_cache_invariants(sd, C, op);
-	sculptmode_update_all_projverts(sd->session);
-	sculpt_update_tex(sd);
+	op->customdata = paint_stroke_new(C, sculpt_stroke_test_start, sculpt_stroke_update_step, sculpt_stroke_done);
 
-	RNA_BEGIN(op->ptr, itemptr, "stroke") {
-		sculpt_update_cache_variants(sd, &itemptr);
+	sculpt_brush_stroke_init(C);
 
-		sculpt_restore_mesh(sd);
-		do_symmetrical_brush_actions(sd, sd->session->cache);
+	sculpt_update_cache_invariants(sd, ss, C, op);
+	sculptmode_update_all_projverts(ss);
 
-		sculpt_post_stroke_free(sd->session);
-	}
-	RNA_END;
+	paint_stroke_exec(C, op);
 
 	sculpt_flush_update(C);
-	sculpt_cache_free(sd->session->cache);
+	sculpt_cache_free(ss->cache);
 
 	sculpt_undo_push(C, sd);
 
@@ -1584,7 +1477,7 @@ static void SCULPT_OT_brush_stroke(wmOperatorType *ot)
 	
 	/* api callbacks */
 	ot->invoke= sculpt_brush_stroke_invoke;
-	ot->modal= sculpt_brush_stroke_modal;
+	ot->modal= paint_stroke_modal;
 	ot->exec= sculpt_brush_stroke_exec;
 	ot->poll= sculpt_poll;
 	
@@ -1604,46 +1497,76 @@ static void SCULPT_OT_brush_stroke(wmOperatorType *ot)
 	RNA_def_float_vector(ot->srna, "clip_tolerance", 3, NULL, 0.0f, FLT_MAX, "clip_tolerance", "", 0.0f, 1000.0f);
 
 	/* The initial 2D location of the mouse */
-	RNA_def_int_vector(ot->srna, "initial_mouse", 2, NULL, INT_MIN, INT_MAX, "initial_mouse", "", INT_MIN, INT_MAX);
+	RNA_def_float_vector(ot->srna, "initial_mouse", 2, NULL, INT_MIN, INT_MAX, "initial_mouse", "", INT_MIN, INT_MAX);
 
 	/* The initial screen depth of the mouse */
 	RNA_def_float(ot->srna, "depth", 0.0f, 0.0f, FLT_MAX, "depth", "", 0.0f, FLT_MAX);
 }
 
+/**** Reset the copy of the mesh that is being sculpted on (currently just for the layer brush) ****/
+
+static int sculpt_set_persistent_base(bContext *C, wmOperator *op)
+{
+	SculptSession *ss = CTX_data_active_object(C)->sculpt;
+
+	if(ss) {
+		if(ss->layer_disps)
+			MEM_freeN(ss->layer_disps);
+		ss->layer_disps = NULL;
+
+		if(ss->mesh_co_orig)
+			MEM_freeN(ss->mesh_co_orig);
+		ss->mesh_co_orig = NULL;
+	}
+
+	return OPERATOR_FINISHED;
+}
+
+static void SCULPT_OT_set_persistent_base(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name= "Set Persistent Base";
+	ot->idname= "SCULPT_OT_set_persistent_base";
+	
+	/* api callbacks */
+	ot->exec= sculpt_set_persistent_base;
+	ot->poll= sculpt_mode_poll;
+	
+	ot->flag= OPTYPE_REGISTER;
+}
+
 /**** Toggle operator for turning sculpt mode on or off ****/
 
 static int sculpt_toggle_mode(bContext *C, wmOperator *op)
 {
 	ToolSettings *ts = CTX_data_tool_settings(C);
+	Object *ob = CTX_data_active_object(C);
 
-	if(G.f & G_SCULPTMODE) {
-		multires_force_update(CTX_data_active_object(C));
+	if(ob->mode & OB_MODE_SCULPT) {
+		multires_force_update(ob);
 
 		/* Leave sculptmode */
-		G.f &= ~G_SCULPTMODE;
-
-		toggle_paint_cursor(C);
+		ob->mode &= ~OB_MODE_SCULPT;
 
-		sculptsession_free(ts->sculpt);
+		free_sculptsession(&ob->sculpt);
 	}
 	else {
 		/* Enter sculptmode */
 
-		G.f |= G_SCULPTMODE;
+		ob->mode |= OB_MODE_SCULPT;
 		
 		/* Create persistent sculpt mode data */
 		if(!ts->sculpt)
 			ts->sculpt = MEM_callocN(sizeof(Sculpt), "sculpt mode data");
 
 		/* Create sculpt mode session data */
-		if(ts->sculpt->session)
-			MEM_freeN(ts->sculpt->session);
-		ts->sculpt->session = MEM_callocN(sizeof(SculptSession), "sculpt session");
+		if(ob->sculpt)
+			free_sculptsession(&ob->sculpt);
+		ob->sculpt = MEM_callocN(sizeof(SculptSession), "sculpt session");
 
-		toggle_paint_cursor(C);
-
-		/* If there's no brush, create one */
-		brush_check_exists(&ts->sculpt->brush);
+		paint_init(&ts->sculpt->paint, PAINT_CURSOR_SCULPT);
+		
+		paint_cursor_start(C, sculpt_poll);
 
 		WM_event_add_notifier(C, NC_SCENE|ND_MODE, CTX_data_scene(C));
 	}
@@ -1669,5 +1592,5 @@ void ED_operatortypes_sculpt()
 	WM_operatortype_append(SCULPT_OT_radial_control);
 	WM_operatortype_append(SCULPT_OT_brush_stroke);
 	WM_operatortype_append(SCULPT_OT_sculptmode_toggle);
-	WM_operatortype_append(SCULPT_OT_brush_curve_preset);
+	WM_operatortype_append(SCULPT_OT_set_persistent_base);
 }
diff --git a/source/blender/editors/sculpt_paint/sculpt_stroke.c b/source/blender/editors/sculpt_paint/sculpt_stroke.c
deleted file mode 100644
index 554ff580358..00000000000
--- a/source/blender/editors/sculpt_paint/sculpt_stroke.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * $Id$
- *
- * ***** BEGIN GPL LICENSE BLOCK *****
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software  Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- *
- * The Original Code is Copyright (C) 2007 by Nicholas Bishop
- * All rights reserved.
- *
- * The Original Code is: all of this file.
- *
- * Contributor(s): none yet.
- *
- * ***** END GPL LICENSE BLOCK *****
- *
- * Storage and manipulation of sculptmode brush strokes.
- *
- */
-
-#include "MEM_guardedalloc.h"
-
-#include "DNA_listBase.h"
-#include "DNA_scene_types.h"
-
-#include "BKE_sculpt.h"
-#include "BLI_blenlib.h"
-#include "BIF_gl.h"
-
-#include "sculpt_intern.h"
-
-#include <math.h>
-
-/* Temporary storage of input stroke control points */
-typedef struct StrokePoint {
-	struct StrokePoint *next, *prev;
-	short x, y;
-} StrokePoint;
-typedef struct SculptStroke {
-	short (*loc)[2];
-	int max;
-	int index;
-	float length;
-	ListBase final;
-	StrokePoint *final_mem;
-	float offset;
-} SculptStroke;
-
-SculptStroke *sculpt_stroke_new(const int max)
-{
-	SculptStroke *stroke = MEM_callocN(sizeof(SculptStroke), "SculptStroke");
-	stroke->loc = MEM_callocN(sizeof(short) * 4 * max, "SculptStroke.loc");
-	stroke->max = max;
-	stroke->index = -1;
-	return stroke;
-}
-
-void sculpt_stroke_free(SculptStroke *stroke)
-{
-	if(stroke) {
-		if(stroke->loc) MEM_freeN(stroke->loc);
-		if(stroke->final_mem) MEM_freeN(stroke->final_mem);
-
-		MEM_freeN(stroke);
-	}
-}
-
-void sculpt_stroke_add_point(SculptStroke *stroke, const short x, const short y)
-{
-	const int next = stroke->index + 1;
-
-	if(stroke->index == -1) {
-		stroke->loc[0][0] = x;
-		stroke->loc[0][1] = y;
-		stroke->index = 0;
-	}
-	else if(next < stroke->max) {
-		const int dx = x - stroke->loc[stroke->index][0];
-		const int dy = y - stroke->loc[stroke->index][1];
-		stroke->loc[next][0] = x;
-		stroke->loc[next][1] = y;
-		stroke->length += sqrt(dx*dx + dy*dy);
-		stroke->index = next;
-	}
-}
-
-static void sculpt_stroke_smooth(SculptStroke *stroke)
-{
-	/* Apply smoothing (exclude the first and last points)*/
-	StrokePoint *p = stroke->final.first;
-	if(p && p->next && p->next->next) {
-		for(p = p->next->next; p && p->next && p->next->next; p = p->next) {
-			p->x = p->prev->prev->x*0.1 + p->prev->x*0.2 + p->x*0.4 + p->next->x*0.2 + p->next->next->x*0.1;
-			p->y = p->prev->prev->y*0.1 + p->prev->y*0.2 + p->y*0.4 + p->next->y*0.2 + p->next->next->y*0.1;
-		}
-	}	
-}
-
-static void sculpt_stroke_create_final(SculptStroke *stroke)
-{
-	if(stroke) {
-		StrokePoint *p, *pnext;
-		int i;
-
-		/* Copy loc into final */
-		if(stroke->final_mem)
-			MEM_freeN(stroke->final_mem);
-		stroke->final_mem = MEM_callocN(sizeof(StrokePoint) * (stroke->index + 1) * 2, "SculptStroke.final");
-		stroke->final.first = stroke->final.last = NULL;
-		for(i = 0; i <= stroke->index; ++i) {
-			p = &stroke->final_mem[i];
-			p->x = stroke->loc[i][0];
-			p->y = stroke->loc[i][1];
-			BLI_addtail(&stroke->final, p);
-		}
-
-		/* Remove shortest edges */
-		if(stroke->final.first) {
-			for(p = ((StrokePoint*)stroke->final.first)->next; p && p->next; p = pnext) {
-				const int dx = p->x - p->prev->x;
-				const int dy = p->y - p->prev->y;
-				const float len = sqrt(dx*dx + dy*dy);
-				pnext = p->next;
-				if(len < 10) {
-					BLI_remlink(&stroke->final, p);
-				}
-			}
-		}
-
-		sculpt_stroke_smooth(stroke);
-
-		/* Subdivide edges */
-		for(p = stroke->final.first; p && p->next; p = pnext) {
-			StrokePoint *np = &stroke->final_mem[i++];
-
-			pnext = p->next;
-			np->x = (p->x + p->next->x) / 2;
-			np->y = (p->y + p->next->y) / 2;
-			BLI_insertlink(&stroke->final, p, np);
-		}
-
-		sculpt_stroke_smooth(stroke);
-	}
-}
-
-static float sculpt_stroke_seglen(StrokePoint *p1, StrokePoint *p2)
-{
-	int dx = p2->x - p1->x;
-	int dy = p2->y - p1->y;
-	return sqrt(dx*dx + dy*dy);
-}
-
-static float sculpt_stroke_final_length(SculptStroke *stroke)
-{
-	StrokePoint *p;
-	float len = 0;
-	for(p = stroke->final.first; p && p->next; ++p)
-		len += sculpt_stroke_seglen(p, p->next);
-	return len;
-}
-
-/* If partial is nonzero, cuts off apply after that length has been processed */
-static StrokePoint *sculpt_stroke_apply_generic(Sculpt *sd, SculptStroke *stroke, const int partial)
-{
-	const int sdspace = 0; //XXX: sd->spacing;
-	const short spacing = sdspace > 0 ? sdspace : 2;
-	const int dots = sculpt_stroke_final_length(stroke) / spacing;
-	int i;
-	StrokePoint *p = stroke->final.first;
-	float startloc = stroke->offset;
-
-	for(i = 0; i < dots && p && p->next; ++i) {
-		const float dotloc = spacing * i;
-		short co[2];
-		float len = sculpt_stroke_seglen(p, p->next);
-		float u, v;
-
-		/* Find edge containing dot */
-		while(dotloc > startloc + len && p && p->next && p->next->next) {
-			p = p->next;
-			startloc += len;
-			len = sculpt_stroke_seglen(p, p->next);
-		}
-
-		if(!p || !p->next || dotloc > startloc + len)
-			break;
-
-		if(partial && startloc > partial) {
-			/* Calculate offset for next stroke segment */
-			stroke->offset = startloc + len - dotloc;
-			break;
-		}
-
-		u = (dotloc - startloc) / len;
-		v = 1 - u;
-					
-		co[0] = p->x*v + p->next->x*u;
-		co[1] = p->y*v + p->next->y*u;
-
-		//do_symmetrical_brush_actions(sd, a, co, NULL);
-	}
-
-	return p ? p->next : NULL;
-}
-
-void sculpt_stroke_apply(Sculpt *sd, SculptStroke *stroke)
-{
-	/* TODO: make these values user-modifiable? */
-	const int partial_len = 100;
-	const int min_len = 200;
-
-	if(stroke) {
-		sculpt_stroke_create_final(stroke);
-
-		if(sculpt_stroke_final_length(stroke) > min_len) {
-			StrokePoint *p = sculpt_stroke_apply_generic(sd, stroke, partial_len);
-
-			/* Replace remaining values in stroke->loc with remaining stroke->final values */
-			stroke->index = -1;
-			stroke->length = 0;
-			for(; p; p = p->next) {
-				++stroke->index;
-				stroke->loc[stroke->index][0] = p->x;
-				stroke->loc[stroke->index][1] = p->y;
-				if(p->next) {
-					stroke->length += sculpt_stroke_seglen(p, p->next);
-				}
-			}
-		}
-	}
-}
-
-void sculpt_stroke_apply_all(Sculpt *sd, SculptStroke *stroke)
-{
-	sculpt_stroke_create_final(stroke);
-
-	if(stroke) {
-		sculpt_stroke_apply_generic(sd, stroke, 0);
-	}
-}
-
-/* XXX: drawing goes elsewhere */
-void sculpt_stroke_draw(SculptStroke *stroke)
-{
-	if(stroke) {
-		StrokePoint *p;
-
-		/* Draws the original stroke */
-		/*glColor3f(1, 0, 0);		
-		glBegin(GL_LINE_STRIP);
-		for(i = 0; i <= stroke->index; ++i)
-			glVertex2s(stroke->loc[i][0], stroke->loc[i][1]);
-		glEnd();*/
-
-		/* Draws the smoothed stroke */
-		glColor3f(0, 1, 0);
-		glBegin(GL_LINE_STRIP);
-		for(p = stroke->final.first; p; p = p->next)
-			glVertex2s(p->x, p->y);
-		glEnd();
-	}
-}