1 files changed, 178 insertions, 0 deletions

diff --git a/source/blender/modifiers/intern/MOD_dynamicpaint.c b/source/blender/modifiers/intern/MOD_dynamicpaint.c
new file mode 100644
index 00000000000..e6272834ef0
--- /dev/null
+++ b/source/blender/modifiers/intern/MOD_dynamicpaint.c
@@ -0,0 +1,178 @@
+/*
+* ***** 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.
+*
+* Contributor(s): Miika Hämäläinen
+*
+* ***** END GPL LICENSE BLOCK *****
+*
+*/
+
+#include <stddef.h>
+
+#include "DNA_dynamicpaint_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "BKE_cdderivedmesh.h"
+#include "BKE_dynamicpaint.h"
+#include "BKE_modifier.h"
+
+#include "depsgraph_private.h"
+
+#include "MOD_util.h"
+
+
+static void initData(ModifierData *md) 
+{
+	DynamicPaintModifierData *pmd = (DynamicPaintModifierData*) md;
+	
+	pmd->canvas = NULL;
+	pmd->brush = NULL;
+	pmd->type = MOD_DYNAMICPAINT_TYPE_CANVAS;
+}
+
+static void copyData(ModifierData *md, ModifierData *target)
+{
+	DynamicPaintModifierData *pmd  = (DynamicPaintModifierData*)md;
+	DynamicPaintModifierData *tpmd = (DynamicPaintModifierData*)target;
+	
+	dynamicPaint_Modifier_copy(pmd, tpmd);
+}
+
+static void freeData(ModifierData *md)
+{
+	DynamicPaintModifierData *pmd = (DynamicPaintModifierData*) md;
+	dynamicPaint_Modifier_free(pmd);
+}
+
+static CustomDataMask requiredDataMask(Object *ob, ModifierData *md)
+{
+	DynamicPaintModifierData *pmd = (DynamicPaintModifierData*)md;
+	CustomDataMask dataMask = 0;
+
+	if (pmd->canvas) {
+		DynamicPaintSurface *surface = pmd->canvas->surfaces.first;
+		for(; surface; surface=surface->next) {
+			/* tface */
+			if (surface->format == MOD_DPAINT_SURFACE_F_IMAGESEQ || 
+				surface->init_color_type == MOD_DPAINT_INITIAL_TEXTURE) {
+				dataMask |= (1 << CD_MTFACE);
+			}
+			/* mcol */
+			if (surface->type == MOD_DPAINT_SURFACE_T_PAINT ||
+				surface->init_color_type == MOD_DPAINT_INITIAL_VERTEXCOLOR) {
+				dataMask |= (1 << CD_MCOL);
+			}
+			/* CD_MDEFORMVERT */
+			if (surface->type == MOD_DPAINT_SURFACE_T_WEIGHT) {
+				dataMask |= (1 << CD_MDEFORMVERT);
+			}
+		}
+	}
+
+	if (pmd->brush) {
+		if (pmd->brush->flags & MOD_DPAINT_USE_MATERIAL) {
+			dataMask |= (1 << CD_MTFACE);
+		}
+	}
+	return dataMask;
+}
+
+static DerivedMesh *applyModifier(ModifierData *md, Object *ob, 
+						DerivedMesh *dm,
+						int useRenderParams,
+						int isFinalCalc)
+{
+	DynamicPaintModifierData *pmd = (DynamicPaintModifierData*) md;
+
+	return dynamicPaint_Modifier_do(pmd, md->scene, ob, dm);
+}
+
+static void updateDepgraph(ModifierData *md, DagForest *forest,
+						struct Scene *scene,
+						Object *ob,
+						DagNode *obNode)
+{
+	DynamicPaintModifierData *pmd = (DynamicPaintModifierData*) md;
+
+	/* add relation from canvases to all brush objects */
+	if(pmd && pmd->canvas)
+	{
+		Base *base = scene->base.first;
+
+		for(; base; base = base->next) {
+			DynamicPaintModifierData *pmd2 = (DynamicPaintModifierData *)modifiers_findByType(base->object, eModifierType_DynamicPaint);
+
+			if(pmd2 && pmd2->brush && ob!=base->object)
+			{
+				DagNode *brushNode = dag_get_node(forest, base->object);
+				dag_add_relation(forest, brushNode, obNode, DAG_RL_DATA_DATA|DAG_RL_OB_DATA, "Dynamic Paint Brush");
+			}
+		}
+	}
+}
+
+static int dependsOnTime(ModifierData *md)
+{
+	return 1;
+}
+
+static void foreachIDLink(ModifierData *md, Object *ob,
+					   IDWalkFunc walk, void *userData)
+{
+	DynamicPaintModifierData *pmd = (DynamicPaintModifierData*) md;
+
+	if(pmd->canvas) {
+		DynamicPaintSurface *surface = pmd->canvas->surfaces.first;
+
+		for(; surface; surface=surface->next) {
+			walk(userData, ob, (ID **)&surface->brush_group);
+			walk(userData, ob, (ID **)&surface->init_texture);
+		}
+	}
+	if (pmd->brush) {
+		walk(userData, ob, (ID **)&pmd->brush->mat);
+	}
+}
+
+static void foreachTexLink(ModifierData *md, Object *ob,
+					   TexWalkFunc walk, void *userData)
+{
+	walk(userData, ob, md, ""); /* property name isn't used */
+}
+
+ModifierTypeInfo modifierType_DynamicPaint = {
+	/* name */              "Dynamic Paint",
+	/* structName */        "DynamicPaintModifierData",
+	/* structSize */        sizeof(DynamicPaintModifierData),
+	/* type */              eModifierTypeType_Constructive,
+	/* flags */             eModifierTypeFlag_AcceptsMesh
+							| eModifierTypeFlag_UsesPointCache
+							| eModifierTypeFlag_Single,
+
+	/* copyData */          copyData,
+	/* deformVerts */       0,
+	/* deformMatrices */    0,
+	/* deformVertsEM */     0,
+	/* deformMatricesEM */  0,
+	/* applyModifier */     applyModifier,
+	/* applyModifierEM */   0,
+	/* initData */          initData,
+	/* requiredDataMask */  requiredDataMask,
+	/* freeData */          freeData,
+	/* isDisabled */        0,
+	/* updateDepgraph */    updateDepgraph,
+	/* dependsOnTime */     dependsOnTime,
+	/* dependsOnNormals */	0,
+	/* foreachObjectLink */ 0,
+	/* foreachIDLink */     foreachIDLink,
+	/* foreachTexLink */    foreachTexLink,
+};