diff options
Diffstat (limited to 'source/blender/editors/sculpt_paint/sculpt.c')
-rw-r--r-- | source/blender/editors/sculpt_paint/sculpt.c | 144 |
1 files changed, 113 insertions, 31 deletions
diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c index 8f0b52ef3a1..a2b883eabfc 100644 --- a/source/blender/editors/sculpt_paint/sculpt.c +++ b/source/blender/editors/sculpt_paint/sculpt.c @@ -156,7 +156,6 @@ typedef struct StrokeCache { float old_grab_location[3]; int symmetry; /* Symmetry index between 0 and 7 */ float view_normal[3], view_normal_symmetry[3]; - int last_dot[2]; /* Last location of stroke application */ int last_rake[2]; /* Last location of updating rake rotation */ } StrokeCache; @@ -849,15 +848,6 @@ static void do_symmetrical_brush_actions(Sculpt *sd, StrokeCache *cache) const char symm = sd->flags & 7; int i; - /* Brush spacing: only apply dot if next dot is far enough away */ - if((sd->brush->flag & BRUSH_SPACE) && !(sd->brush->flag & BRUSH_ANCHORED) && !cache->first_time) { - int dx = cache->last_dot[0] - cache->mouse[0]; - int dy = cache->last_dot[1] - cache->mouse[1]; - if(sqrt(dx*dx+dy*dy) < sd->brush->spacing) - return; - } - memcpy(cache->last_dot, cache->mouse, sizeof(int) * 2); - VecCopyf(cache->location, cache->true_location); VecCopyf(cache->grab_delta_symmetry, cache->grab_delta); cache->symmetry = 0; @@ -1050,16 +1040,21 @@ static void draw_paint_cursor(bContext *C, int x, int y, void *customdata) { Sculpt *sd= CTX_data_tool_settings(C)->sculpt; - glTranslatef((float)x, (float)y, 0.0f); - 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 ); - - glTranslatef((float)-x, (float)-y, 0.0f); } static void toggle_paint_cursor(bContext *C) @@ -1202,6 +1197,9 @@ static void sculpt_update_cache_invariants(Sculpt *sd, bContext *C, wmOperator * RNA_int_get_array(op->ptr, "initial_mouse", cache->initial_mouse); cache->depth = RNA_float_get(op->ptr, "depth"); + cache->mouse[0] = cache->initial_mouse[0]; + cache->mouse[1] = cache->initial_mouse[1]; + /* Truly temporary data that isn't stored in properties */ view3d_set_viewcontext(C, &cache->vc); @@ -1407,13 +1405,99 @@ static void sculpt_flush_update(bContext *C) ED_region_tag_redraw(ar); } -static int sculpt_brush_stroke_modal(bContext *C, wmOperator *op, wmEvent *event) +/* Returns zero if no sculpt changes should be made, non-zero otherwise */ +static int sculpt_smooth_stroke(Sculpt *s, int output[2], 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; + } + + return 1; +} + +/* 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); +} + +/* 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]) +{ + 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); + + sculpt_post_stroke_free(sd->session); +} + +/* 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); + } + } + } + + return cnt; +} + +static int sculpt_brush_stroke_modal(bContext *C, wmOperator *op, wmEvent *event) +{ Sculpt *sd = CTX_data_tool_settings(C)->sculpt; ARegion *ar = CTX_wm_region(C); - float center[3]; - int mouse[2] = {event->x, event->y}; float cur_depth; sculpt_update_mesh_elements(C); @@ -1433,21 +1517,19 @@ static int sculpt_brush_stroke_modal(bContext *C, wmOperator *op, wmEvent *event } if(sd->session->cache) { - cur_depth = read_cached_depth(&sd->session->cache->vc, event->x, event->y); - unproject(sd->session->cache->mats, center, event->x, event->y, 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); + int mouse[2]; - sculpt_restore_mesh(sd); - do_symmetrical_brush_actions(CTX_data_tool_settings(C)->sculpt, sd->session->cache); - - sculpt_flush_update(C); - sculpt_post_stroke_free(sd->session); + 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); + } + else + ED_region_tag_redraw(ar); } /* Finished */ |