Differential D2927 Diff 9587 source/blender/blenkernel/intern/dynamicpaint.c

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source/blender/blenkernel/intern/dynamicpaint.c

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static void scene_setSubframe(Scene *scene, float subframe)		static void scene_setSubframe(Scene *scene, float subframe)
{		{
/* dynamic paint subframes must be done on previous frame */		/* dynamic paint subframes must be done on previous frame */
scene->r.cfra -= 1;		scene->r.cfra -= 1;
scene->r.subframe = subframe;		scene->r.subframe = subframe;
}		}

static int surface_getBrushFlags(DynamicPaintSurface surface, const SceneLayer sl)		static int surface_getBrushFlags(DynamicPaintSurface surface, const ViewLayer sl)
{		{
Base *base = NULL;		Base *base = NULL;
GroupObject *go = NULL;		GroupObject *go = NULL;
Object *brushObj = NULL;		Object *brushObj = NULL;
ModifierData *md = NULL;		ModifierData *md = NULL;

int flags = 0;		int flags = 0;

▲ Show 20 Lines • Show All 5,134 Lines • ▼ Show 20 Lines	static void dynamic_paint_generate_bake_data_cb(void *userdata, const int index)
}		}

/* calculate speed vector */		/* calculate speed vector */
if (do_velocity_data && !new_bdata && !bData->clear) {		if (do_velocity_data && !new_bdata && !bData->clear) {
sub_v3_v3v3(bData->velocity[index].v, bData->realCoord[bData->s_pos[index]].v, prev_point);		sub_v3_v3v3(bData->velocity[index].v, bData->realCoord[bData->s_pos[index]].v, prev_point);
}		}
}		}

static int dynamicPaint_generateBakeData(DynamicPaintSurface surface, const SceneLayer sl, Object *ob)		static int dynamicPaint_generateBakeData(DynamicPaintSurface surface, const ViewLayer sl, Object *ob)
{		{
PaintSurfaceData *sData = surface->data;		PaintSurfaceData *sData = surface->data;
PaintBakeData *bData = sData->bData;		PaintBakeData *bData = sData->bData;
DerivedMesh *dm = surface->canvas->dm;		DerivedMesh *dm = surface->canvas->dm;
int index;		int index;
bool new_bdata = false;		bool new_bdata = false;
const bool do_velocity_data = ((surface->effect & MOD_DPAINT_EFFECT_DO_DRIP) \|\|		const bool do_velocity_data = ((surface->effect & MOD_DPAINT_EFFECT_DO_DRIP) \|\|
(surface_getBrushFlags(surface, sl) & BRUSH_USES_VELOCITY));		(surface_getBrushFlags(surface, sl) & BRUSH_USES_VELOCITY));
▲ Show 20 Lines • Show All 127 Lines • ▼ Show 20 Lines	static int dynamicPaint_doStep(const struct EvaluationContext eval_ctx, Scene scene, Object ob, DynamicPaintSurface surface, float timescale, float subframe)
/*		/*
* Loop through surface's target paint objects and do painting		* Loop through surface's target paint objects and do painting
*/		*/
{		{
Base *base = NULL;		Base *base = NULL;
GroupObject *go = NULL;		GroupObject *go = NULL;
Object *brushObj = NULL;		Object *brushObj = NULL;
ModifierData *md = NULL;		ModifierData *md = NULL;
SceneLayer *sl = eval_ctx->scene_layer;		ViewLayer *sl = eval_ctx->view_layer;

/* backup current scene frame */		/* backup current scene frame */
int scene_frame = scene->r.cfra;		int scene_frame = scene->r.cfra;
float scene_subframe = scene->r.subframe;		float scene_subframe = scene->r.subframe;

/* either from group or from all objects */		/* either from group or from all objects */
if (surface->brush_group)		if (surface->brush_group)
go = surface->brush_group->gobject.first;		go = surface->brush_group->gobject.first;
▲ Show 20 Lines • Show All 141 Lines • ▼ Show 20 Lines
{		{
float timescale = 1.0f;		float timescale = 1.0f;

/* apply previous displace on derivedmesh if incremental surface */		/* apply previous displace on derivedmesh if incremental surface */
if (surface->flags & MOD_DPAINT_DISP_INCREMENTAL)		if (surface->flags & MOD_DPAINT_DISP_INCREMENTAL)
dynamicPaint_applySurfaceDisplace(surface, surface->canvas->dm);		dynamicPaint_applySurfaceDisplace(surface, surface->canvas->dm);

/* update bake data */		/* update bake data */
dynamicPaint_generateBakeData(surface, eval_ctx->scene_layer, cObject);		dynamicPaint_generateBakeData(surface, eval_ctx->view_layer, cObject);

/* don't do substeps for first frame */		/* don't do substeps for first frame */
if (surface->substeps && (frame != surface->start_frame)) {		if (surface->substeps && (frame != surface->start_frame)) {
int st;		int st;
timescale = 1.0f / (surface->substeps + 1);		timescale = 1.0f / (surface->substeps + 1);

for (st = 1; st <= surface->substeps; st++) {		for (st = 1; st <= surface->substeps; st++) {
float subframe = ((float) st) / (surface->substeps + 1);		float subframe = ((float) st) / (surface->substeps + 1);
if (!dynamicPaint_doStep(eval_ctx, scene, cObject, surface, timescale, subframe))		if (!dynamicPaint_doStep(eval_ctx, scene, cObject, surface, timescale, subframe))
return 0;		return 0;
}		}
}		}

return dynamicPaint_doStep(eval_ctx, scene, cObject, surface, timescale, 0.0f);		return dynamicPaint_doStep(eval_ctx, scene, cObject, surface, timescale, 0.0f);
}		}