Differential D5470 Diff 17067 source/blender/blenkernel/intern/gpencil_modifier.c

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source/blender/blenkernel/intern/gpencil_modifier.c

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#include "DNA_object_types.h"		#include "DNA_object_types.h"
#include "DNA_gpencil_types.h"		#include "DNA_gpencil_types.h"
#include "DNA_gpencil_modifier_types.h"		#include "DNA_gpencil_modifier_types.h"

#include "BKE_library.h"		#include "BKE_library.h"
#include "BKE_library_query.h"		#include "BKE_library_query.h"
#include "BKE_gpencil.h"		#include "BKE_gpencil.h"
#include "BKE_lattice.h"		#include "BKE_lattice.h"
		#include "BKE_material.h"
#include "BKE_gpencil_modifier.h"		#include "BKE_gpencil_modifier.h"
#include "BKE_object.h"		#include "BKE_object.h"

#include "DEG_depsgraph.h"		#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"		#include "DEG_depsgraph_query.h"

#include "MOD_gpencil_modifiertypes.h"		#include "MOD_gpencil_modifiertypes.h"

▲ Show 20 Lines • Show All 387 Lines • ▼ Show 20 Lines	void BKE_gpencil_eval_geometry(Depsgraph depsgraph, bGPdata gpd)
DEG_debug_print_eval(depsgraph, __func__, gpd->id.name, gpd);		DEG_debug_print_eval(depsgraph, __func__, gpd->id.name, gpd);
int ctime = (int)DEG_get_ctime(depsgraph);		int ctime = (int)DEG_get_ctime(depsgraph);

/* update active frame */		/* update active frame */
for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {		for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
gpl->actframe = BKE_gpencil_layer_getframe(gpl, ctime, GP_GETFRAME_USE_PREV);		gpl->actframe = BKE_gpencil_layer_getframe(gpl, ctime, GP_GETFRAME_USE_PREV);
}		}

/* TODO: Move "derived_gpf" logic here from DRW_gpencil_populate_datablock()?
* This would be better than inventing our own logic for this stuff...
*/

/* TODO: Move the following code to "BKE_gpencil_eval_done()" (marked as an exit node)
* later when there's more happening here. For now, let's just keep this in here to avoid
* needing to have one more node slowing down evaluation...
*/
if (DEG_is_active(depsgraph)) {		if (DEG_is_active(depsgraph)) {
bGPdata gpd_orig = (bGPdata )DEG_get_original_id(&gpd->id);		bGPdata gpd_orig = (bGPdata )DEG_get_original_id(&gpd->id);

/* sync "actframe" changes back to main-db too,		/* sync "actframe" changes back to main-db too,
* so that editing tools work with copy-on-write		* so that editing tools work with copy-on-write
* when the current frame changes		* when the current frame changes
*/		*/
for (bGPDlayer *gpl = gpd_orig->layers.first; gpl; gpl = gpl->next) {		for (bGPDlayer *gpl = gpd_orig->layers.first; gpl; gpl = gpl->next) {
▲ Show 20 Lines • Show All 244 Lines • ▼ Show 20 Lines	for (int i = oldtotpoints - 1; i > 0; i--) {
bGPDspoint *pt = &temp_points[i];		bGPDspoint *pt = &temp_points[i];
bGPDspoint *pt_final = &gps->points[i2];		bGPDspoint *pt_final = &gps->points[i2];

copy_v3_v3(&pt_final->x, &pt->x);		copy_v3_v3(&pt_final->x, &pt->x);
pt_final->pressure = pt->pressure;		pt_final->pressure = pt->pressure;
pt_final->strength = pt->strength;		pt_final->strength = pt->strength;
pt_final->time = pt->time;		pt_final->time = pt->time;
pt_final->flag = pt->flag;		pt_final->flag = pt->flag;
		pt_final->runtime.pt_orig = pt->runtime.pt_orig;
		pt_final->runtime.idx_orig = pt->runtime.idx_orig;

if (gps->dvert != NULL) {		if (gps->dvert != NULL) {
dvert = &temp_dverts[i];		dvert = &temp_dverts[i];
dvert_final = &gps->dvert[i2];		dvert_final = &gps->dvert[i2];
dvert_final->totweight = dvert->totweight;		dvert_final->totweight = dvert->totweight;
dvert_final->dw = dvert->dw;		dvert_final->dw = dvert->dw;
}		}
i2 -= 2;		i2 -= 2;
}		}
/* interpolate mid points */		/* interpolate mid points */
i2 = 1;		i2 = 1;
for (int i = 0; i < oldtotpoints - 1; i++) {		for (int i = 0; i < oldtotpoints - 1; i++) {
bGPDspoint *pt = &temp_points[i];		bGPDspoint *pt = &temp_points[i];
bGPDspoint *next = &temp_points[i + 1];		bGPDspoint *next = &temp_points[i + 1];
bGPDspoint *pt_final = &gps->points[i2];		bGPDspoint *pt_final = &gps->points[i2];

/* add a half way point */		/* add a half way point */
interp_v3_v3v3(&pt_final->x, &pt->x, &next->x, 0.5f);		interp_v3_v3v3(&pt_final->x, &pt->x, &next->x, 0.5f);
pt_final->pressure = interpf(pt->pressure, next->pressure, 0.5f);		pt_final->pressure = interpf(pt->pressure, next->pressure, 0.5f);
pt_final->strength = interpf(pt->strength, next->strength, 0.5f);		pt_final->strength = interpf(pt->strength, next->strength, 0.5f);
CLAMP(pt_final->strength, GPENCIL_STRENGTH_MIN, 1.0f);		CLAMP(pt_final->strength, GPENCIL_STRENGTH_MIN, 1.0f);
pt_final->time = interpf(pt->time, next->time, 0.5f);		pt_final->time = interpf(pt->time, next->time, 0.5f);
		pt_final->runtime.pt_orig = NULL;

if (gps->dvert != NULL) {		if (gps->dvert != NULL) {
dvert = &temp_dverts[i];		dvert = &temp_dverts[i];
dvert_next = &temp_dverts[i + 1];		dvert_next = &temp_dverts[i + 1];
dvert_final = &gps->dvert[i2];		dvert_final = &gps->dvert[i2];

dvert_final->totweight = dvert->totweight;		dvert_final->totweight = dvert->totweight;
dvert_final->dw = MEM_dupallocN(dvert->dw);		dvert_final->dw = MEM_dupallocN(dvert->dw);
Show All 29 Lines	if ((flag & GP_SUBDIV_SIMPLE) == 0) {
/* move point */		/* move point */
interp_v3_v3v3(&pt_final->x, &pt->x, &next->x, 0.5f);		interp_v3_v3v3(&pt_final->x, &pt->x, &next->x, 0.5f);
}		}
/* free temp memory */		/* free temp memory */
MEM_SAFE_FREE(temp_points);		MEM_SAFE_FREE(temp_points);
}		}
}		}
}		}

		/* Copy frame but do not assign new memory */
		static void gpencil_copy_frame(Object ob, bGPDframe gpf, bGPDframe *derived_gpf)
		antoniovAuthorUnsubmitted Done Inline Actions maybe better naming is `gpencil_frame_copy` antoniov: maybe better naming is `gpencil_frame_copy`
		{
		derived_gpf->prev = gpf->prev;
		derived_gpf->next = gpf->next;
		derived_gpf->framenum = gpf->framenum;
		derived_gpf->flag = gpf->flag;
		derived_gpf->key_type = gpf->key_type;
		derived_gpf->runtime = gpf->runtime;
		copy_m4_m4(derived_gpf->runtime.parent_obmat, gpf->runtime.parent_obmat);

		/* copy strokes */
		BLI_listbase_clear(&derived_gpf->strokes);
		for (bGPDstroke *gps_src = gpf->strokes.first; gps_src; gps_src = gps_src->next) {
		/* make copy of source stroke */
		bGPDstroke *gps_dst = BKE_gpencil_stroke_duplicate(gps_src);

		/* copy color to temp fields to apply temporal changes in the stroke */
		MaterialGPencilStyle *gp_style = BKE_material_gpencil_settings_get(ob, gps_src->mat_nr + 1);
		copy_v4_v4(gps_dst->runtime.tmp_stroke_rgba, gp_style->stroke_rgba);
		copy_v4_v4(gps_dst->runtime.tmp_fill_rgba, gp_style->fill_rgba);

		/* Save original pointers for using in edit and select operators. */
		gps_dst->runtime.gps_orig = gps_src;
		for (int i = 0; i < gps_src->totpoints; i++) {
		bGPDspoint *pt_dst = &gps_dst->points[i];
		pt_dst->runtime.pt_orig = &gps_src->points[i];
		pt_dst->runtime.idx_orig = i;
		}

		BLI_addtail(&derived_gpf->strokes, gps_dst);
		}
		}

		/* Ensure there is a derived frame */
		static void gpencil_ensure_derived_frame(
		antoniovAuthorUnsubmitted Done Inline Actions @brech maybe `gpencil_derived_frame_ensure` is better naming? antoniov: @brech maybe `gpencil_derived_frame_ensure` is better naming?
		int idx, Object ob, bGPDlayer gpl, bGPDframe gpf, bGPDframe *derived_gpf)
		{
		/* create derived frames array data or expand */
		bGPDframe *derived_frames = ob->runtime.derived_frames;
		*derived_gpf = &derived_frames[idx];

		/* if derived frame create a new one */
		if (*derived_gpf != NULL) {
		/* first clear temp data */
		BKE_gpencil_free_frame_runtime_data(*derived_gpf);
		}
		/* copy data (do not assign new memory)*/
		gpencil_copy_frame(ob, gpf, *derived_gpf);
		}

		/* Calculate gpencil modifiers */
		void BKE_gpencil_modifiers_calc(Depsgraph depsgraph, Scene scene, Object *ob)
		{
		/* use original data to set reference pointers to original data */
		Object *ob_orig = DEG_get_original_object(ob);
		bGPdata gpd = (bGPdata )ob_orig->data;
		const bool is_multiedit = (bool)GPENCIL_MULTIEDIT_SESSIONS_ON(gpd);
		const bool simplify_modif = GP_SIMPLIFY_MODIF(scene, false);
		const bool is_render = (bool)(DEG_get_mode(depsgraph) == DAG_EVAL_RENDER);
		const bool time_remap = BKE_gpencil_has_time_modifiers(ob);
		int cfra_eval = (int)DEG_get_ctime(depsgraph);

		/* Create array of derived frames equal to number of layers. */
		ob->runtime.tot_layers = BLI_listbase_count(&gpd->layers);
		CLAMP_MIN(ob->runtime.tot_layers, 1);
		if (ob->runtime.derived_frames == NULL) {
		ob->runtime.derived_frames = MEM_callocN(sizeof(struct bGPDframe) * ob->runtime.tot_layers,
		__func__);
		}
		else {
		ob->runtime.derived_frames = MEM_recallocN(ob->runtime.derived_frames,
		sizeof(struct bGPDframe) * ob->runtime.tot_layers);
		}

		/* Init general modifiers data. */
		if (ob->greasepencil_modifiers.first) {
		BKE_gpencil_lattice_init(ob);
		}

		/* *****************************************************************
		* Loop all layers, duplicate data and apply modifiers.
		*
		* ******************************************************************/
		int idx = 0;
		for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
		/* Remap frame (Time modifier) */
		int remap_cfra = cfra_eval;
		if ((time_remap) && (!simplify_modif)) {
		remap_cfra = BKE_gpencil_time_modifier(depsgraph, scene, ob, gpl, cfra_eval, is_render);
		}
		bGPDframe *gpf = BKE_gpencil_layer_getframe(gpl, remap_cfra, GP_GETFRAME_USE_PREV);

		if (gpf == NULL) {
		idx++;
		continue;
		}

		/* Create a duplicate data set of stroke to modify. */
		bGPDframe *derived_gpf = NULL;
		gpencil_ensure_derived_frame(idx, ob, gpl, gpf, &derived_gpf);

		/* Skip all if some disable flag is enabled. */
		if ((ob->greasepencil_modifiers.first == NULL) \|\| (is_multiedit) \|\| (simplify_modif)) {
		idx++;
		continue;
		}

		/* Apply geometry modifiers (create new geometry). */
		if (BKE_gpencil_has_geometry_modifiers(ob)) {
		BKE_gpencil_geometry_modifiers(depsgraph, ob, gpl, derived_gpf, is_render);
		}

		/* Loop all strokes and deform them. */
		for (bGPDstroke *gps = derived_gpf->strokes.first; gps; gps = gps->next) {
		/* Apply modifiers that only deform geometry */
		BKE_gpencil_stroke_modifiers(depsgraph, ob, gpl, derived_gpf, gps, is_render);
		}

		idx++;
		}

		/* Clear any lattice data. */
		if (ob->greasepencil_modifiers.first) {
		BKE_gpencil_lattice_clear(ob);
		}
		}