Differential D3488 Diff 11286 source/blender/blenkernel/intern/gpencil_modifier.c

Changeset View

Standalone View

source/blender/blenkernel/intern/gpencil_modifier.c

Show All 29 Lines

#include <stdio.h>		#include <stdio.h>

#include "MEM_guardedalloc.h"		#include "MEM_guardedalloc.h"

#include "BLI_blenlib.h"		#include "BLI_blenlib.h"
#include "BLI_utildefines.h"		#include "BLI_utildefines.h"
#include "BLI_math_vector.h"		#include "BLI_math_vector.h"
		#include "BLI_string_utils.h"

		#include "BLT_translation.h"

#include "DNA_meshdata_types.h"		#include "DNA_meshdata_types.h"
#include "DNA_scene_types.h"		#include "DNA_scene_types.h"
#include "DNA_object_types.h"		#include "DNA_object_types.h"
#include "DNA_gpencil_types.h"		#include "DNA_gpencil_types.h"
#include "DNA_modifier_types.h"		#include "DNA_gpencil_modifier_types.h"
#include "DNA_vec_types.h"

#include "BKE_global.h"		#include "BKE_global.h"
		#include "BKE_library.h"
		#include "BKE_library_query.h"
#include "BKE_gpencil.h"		#include "BKE_gpencil.h"
#include "BKE_lattice.h"		#include "BKE_lattice.h"
#include "BKE_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"

		static GpencilModifierTypeInfo *modifier_gpencil_types[NUM_GREASEPENCIL_MODIFIER_TYPES] = { NULL };

/* *************************************************** */		/* *************************************************** */
/* Geometry Utilities */		/* Geometry Utilities */

/* calculate stroke normal using some points */		/* calculate stroke normal using some points */
void BKE_gpencil_stroke_normal(const bGPDstroke *gps, float r_normal[3])		void BKE_gpencil_stroke_normal(const bGPDstroke *gps, float r_normal[3])
{		{
if (gps->totpoints < 3) {		if (gps->totpoints < 3) {
zero_v3(r_normal);		zero_v3(r_normal);
▲ Show 20 Lines • Show All 248 Lines • ▼ Show 20 Lines
* However, since GP's modifiers operate on a per-stroke basis,		* However, since GP's modifiers operate on a per-stroke basis,
* we need to these two extra functions that called before/after		* we need to these two extra functions that called before/after
* each loop over all the geometry being evaluated.		* each loop over all the geometry being evaluated.
*/		*/

/* init lattice deform data */		/* init lattice deform data */
void BKE_gpencil_lattice_init(Object *ob)		void BKE_gpencil_lattice_init(Object *ob)
{		{
ModifierData *md;		GpencilModifierData *md;
for (md = ob->modifiers.first; md; md = md->next) {		for (md = ob->greasepencil_modifiers.first; md; md = md->next) {
if (md->type == eModifierType_Gpencil_Lattice) {		if (md->type == eGpencilModifierType_Lattice) {
LatticeGpencilModifierData mmd = (LatticeGpencilModifierData )md;		LatticeGpencilModifierData mmd = (LatticeGpencilModifierData )md;
Object *latob = NULL;		Object *latob = NULL;

latob = mmd->object;		latob = mmd->object;
if ((!latob) \|\| (latob->type != OB_LATTICE)) {		if ((!latob) \|\| (latob->type != OB_LATTICE)) {
return;		return;
}		}
if (mmd->cache_data) {		if (mmd->cache_data) {
end_latt_deform((struct LatticeDeformData *)mmd->cache_data);		end_latt_deform((struct LatticeDeformData *)mmd->cache_data);
}		}

/* init deform data */		/* init deform data */
mmd->cache_data = (struct LatticeDeformData *)init_latt_deform(latob, ob);		mmd->cache_data = (struct LatticeDeformData *)init_latt_deform(latob, ob);
}		}
}		}
}		}

/* clear lattice deform data */		/* clear lattice deform data */
void BKE_gpencil_lattice_clear(Object *ob)		void BKE_gpencil_lattice_clear(Object *ob)
{		{
ModifierData *md;		GpencilModifierData *md;
for (md = ob->modifiers.first; md; md = md->next) {		for (md = ob->greasepencil_modifiers.first; md; md = md->next) {
if (md->type == eModifierType_Gpencil_Lattice) {		if (md->type == eGpencilModifierType_Lattice) {
LatticeGpencilModifierData mmd = (LatticeGpencilModifierData )md;		LatticeGpencilModifierData mmd = (LatticeGpencilModifierData )md;
if ((mmd) && (mmd->cache_data)) {		if ((mmd) && (mmd->cache_data)) {
end_latt_deform((struct LatticeDeformData *)mmd->cache_data);		end_latt_deform((struct LatticeDeformData *)mmd->cache_data);
mmd->cache_data = NULL;		mmd->cache_data = NULL;
}		}
}		}
}		}
}		}

/* *************************************************** */		/* *************************************************** */
/* Modifier Methods - Evaluation Loops, etc. */		/* Modifier Methods - Evaluation Loops, etc. */

/* check if exist geometry modifiers */		/* check if exist geometry modifiers */
bool BKE_gpencil_has_geometry_modifiers(Object *ob)		bool BKE_gpencil_has_geometry_modifiers(Object *ob)
{		{
ModifierData *md;		GpencilModifierData *md;
for (md = ob->modifiers.first; md; md = md->next) {		for (md = ob->greasepencil_modifiers.first; md; md = md->next) {
const ModifierTypeInfo *mti = modifierType_getInfo(md->type);		const GpencilModifierTypeInfo *mti = BKE_gpencil_modifierType_getInfo(md->type);

if (mti && mti->gp_generateStrokes) {		if (mti && mti->gp_generateStrokes) {
return true;		return true;
}		}
}		}
return false;		return false;
}		}

/* apply stroke modifiers */		/* apply stroke modifiers */
void BKE_gpencil_stroke_modifiers(Depsgraph depsgraph, Object ob, bGPDlayer gpl, bGPDframe UNUSED(gpf), bGPDstroke *gps, bool is_render)		void BKE_gpencil_stroke_modifiers(Depsgraph depsgraph, Object ob, bGPDlayer gpl, bGPDframe UNUSED(gpf), bGPDstroke *gps, bool is_render)
{		{
ModifierData *md;		GpencilModifierData *md;
bGPdata *gpd = ob->data;		bGPdata *gpd = ob->data;
const bool is_edit = GPENCIL_ANY_EDIT_MODE(gpd);		const bool is_edit = GPENCIL_ANY_EDIT_MODE(gpd);

for (md = ob->modifiers.first; md; md = md->next) {		for (md = ob->greasepencil_modifiers.first; md; md = md->next) {
if (GPENCIL_MODIFIER_ACTIVE(md, is_render))		if (GPENCIL_MODIFIER_ACTIVE(md, is_render))
{		{
const ModifierTypeInfo *mti = modifierType_getInfo(md->type);		const GpencilModifierTypeInfo *mti = BKE_gpencil_modifierType_getInfo(md->type);

if (GPENCIL_MODIFIER_EDIT(md, is_edit)) {		if (GPENCIL_MODIFIER_EDIT(md, is_edit)) {
continue;		continue;
}		}

if (mti && mti->gp_deformStroke) {		if (mti && mti->gp_deformStroke) {
mti->gp_deformStroke(md, depsgraph, ob, gpl, gps);		mti->gp_deformStroke(md, depsgraph, ob, gpl, gps);
}		}
}		}
}		}
}		}

/* apply stroke geometry modifiers */		/* apply stroke geometry modifiers */
void BKE_gpencil_geometry_modifiers(Depsgraph depsgraph, Object ob, bGPDlayer gpl, bGPDframe gpf, bool is_render)		void BKE_gpencil_geometry_modifiers(Depsgraph depsgraph, Object ob, bGPDlayer gpl, bGPDframe gpf, bool is_render)
{		{
ModifierData *md;		GpencilModifierData *md;
bGPdata *gpd = ob->data;		bGPdata *gpd = ob->data;
const bool is_edit = GPENCIL_ANY_EDIT_MODE(gpd);		const bool is_edit = GPENCIL_ANY_EDIT_MODE(gpd);

for (md = ob->modifiers.first; md; md = md->next) {		for (md = ob->greasepencil_modifiers.first; md; md = md->next) {
if (GPENCIL_MODIFIER_ACTIVE(md, is_render))		if (GPENCIL_MODIFIER_ACTIVE(md, is_render))
{		{
const ModifierTypeInfo *mti = modifierType_getInfo(md->type);		const GpencilModifierTypeInfo *mti = BKE_gpencil_modifierType_getInfo(md->type);

if (GPENCIL_MODIFIER_EDIT(md, is_edit)) {		if (GPENCIL_MODIFIER_EDIT(md, is_edit)) {
continue;		continue;
}		}

if (mti->gp_generateStrokes) {		if (mti->gp_generateStrokes) {
mti->gp_generateStrokes(md, depsgraph, ob, gpl, gpf);		mti->gp_generateStrokes(md, depsgraph, ob, gpl, gpf);
}		}
}		}
Show All 29 Lines	if (DEG_is_active(depsgraph)) {
* 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) {
gpl->actframe = BKE_gpencil_layer_getframe(gpl, ctime, GP_GETFRAME_USE_PREV);		gpl->actframe = BKE_gpencil_layer_getframe(gpl, ctime, GP_GETFRAME_USE_PREV);
}		}
}		}
}		}

		void BKE_gpencil_modifier_init(void)
		{
		/* Initialize modifier types */
		gpencil_modifier_type_init(modifier_gpencil_types); /* MOD_gpencil_util.c */
		}

/* *************************************************** */		GpencilModifierData *BKE_gpencil_modifier_new(int type)
		{
		const GpencilModifierTypeInfo *mti = BKE_gpencil_modifierType_getInfo(type);
		GpencilModifierData *md = MEM_callocN(mti->struct_size, mti->struct_name);

		/* note, this name must be made unique later */
		BLI_strncpy(md->name, DATA_(mti->name), sizeof(md->name));

		md->type = type;
		md->mode = eGpencilModifierMode_Realtime \| eGpencilModifierMode_Render \| eGpencilModifierMode_Expanded;
		md->flag = eGpencilModifierFlag_StaticOverride_Local;

		if (mti->flags & eGpencilModifierTypeFlag_EnableInEditmode)
		md->mode \|= eGpencilModifierMode_Editmode;

		if (mti->initData) mti->initData(md);

		return md;
		}

		static void modifier_free_data_id_us_cb(void UNUSED(userData), Object UNUSED(ob), ID **idpoin, int cb_flag)
		{
		ID id = idpoin;
		if (id != NULL && (cb_flag & IDWALK_CB_USER) != 0) {
		id_us_min(id);
		}
		}

		void BKE_gpencil_modifier_free_ex(GpencilModifierData *md, const int flag)
		{
		const GpencilModifierTypeInfo *mti = BKE_gpencil_modifierType_getInfo(md->type);

		if ((flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0) {
		if (mti->foreachIDLink) {
		mti->foreachIDLink(md, NULL, modifier_free_data_id_us_cb, NULL);
		}
		else if (mti->foreachObjectLink) {
		mti->foreachObjectLink(md, NULL, (GreasePencilObjectWalkFunc)modifier_free_data_id_us_cb, NULL);
		}
		}

		if (mti->freeData) mti->freeData(md);
		if (md->error) MEM_freeN(md->error);

		MEM_freeN(md);
		}

		void BKE_gpencil_modifier_free(GpencilModifierData *md)
		{
		BKE_gpencil_modifier_free_ex(md, 0);
		}

		/* check unique name */
		bool BKE_gpencil_modifier_unique_name(ListBase modifiers, GpencilModifierData gmd)
		{
		if (modifiers && gmd) {
		const GpencilModifierTypeInfo *gmti = BKE_gpencil_modifierType_getInfo(gmd->type);
		return BLI_uniquename(modifiers, gmd, DATA_(gmti->name), '.', offsetof(GpencilModifierData, name), sizeof(gmd->name));
		}
		return false;
		}

		const GpencilModifierTypeInfo *BKE_gpencil_modifierType_getInfo(GpencilModifierType type)
		{
		/* type unsigned, no need to check < 0 */
		if (type < NUM_GREASEPENCIL_MODIFIER_TYPES && modifier_gpencil_types[type]->name[0] != '\0') {
		return modifier_gpencil_types[type];
		}
		else {
		return NULL;
		}
		}

		void BKE_gpencil_modifier_copyData_generic(const GpencilModifierData md_src, GpencilModifierData md_dst)
		{
		const GpencilModifierTypeInfo *mti = BKE_gpencil_modifierType_getInfo(md_src->type);

		/* md_dst may have alredy be fully initialized with some extra allocated data,
		* we need to free it now to avoid memleak. */
		if (mti->freeData) {
		mti->freeData(md_dst);
		}

		const size_t data_size = sizeof(GpencilModifierData);
		const char md_src_data = ((const char )md_src) + data_size;
		char md_dst_data = ((char )md_dst) + data_size;
		BLI_assert(data_size <= (size_t)mti->struct_size);
		memcpy(md_dst_data, md_src_data, (size_t)mti->struct_size - data_size);
		}

		static void gpencil_modifier_copy_data_id_us_cb(void UNUSED(userData), Object UNUSED(ob), ID **idpoin, int cb_flag)
		{
		ID id = idpoin;
		if (id != NULL && (cb_flag & IDWALK_CB_USER) != 0) {
		id_us_plus(id);
		}
		}

		void BKE_gpencil_modifier_copyData_ex(GpencilModifierData md, GpencilModifierData target, const int flag)
		{
		const GpencilModifierTypeInfo *mti = BKE_gpencil_modifierType_getInfo(md->type);

		target->mode = md->mode;
		target->flag = md->flag;

		if (mti->copyData) {
		mti->copyData(md, target);
		}

		if ((flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0) {
		if (mti->foreachIDLink) {
		mti->foreachIDLink(target, NULL, gpencil_modifier_copy_data_id_us_cb, NULL);
		}
		else if (mti->foreachObjectLink) {
		mti->foreachObjectLink(target, NULL, (GreasePencilObjectWalkFunc)gpencil_modifier_copy_data_id_us_cb, NULL);
		}
		}
		}

		void BKE_gpencil_modifier_copyData(GpencilModifierData md, GpencilModifierData target)
		{
		BKE_gpencil_modifier_copyData_ex(md, target, 0);
		}

		GpencilModifierData BKE_gpencil_modifiers_findByType(Object ob, GpencilModifierType type)
		{
		GpencilModifierData *md = ob->greasepencil_modifiers.first;

		for (; md; md = md->next)
		if (md->type == type)
		break;

		return md;
		}

		GpencilModifierData BKE_gpencil_modifiers_findByName(Object ob, const char *name)
		{
		return BLI_findstring(&(ob->greasepencil_modifiers), name, offsetof(GpencilModifierData, name));
		}

		/* helper function for per-instance positioning */
		void BKE_gpencil_instance_modifier_instance_tfm(InstanceGpencilModifierData *mmd, const int elem_idx[3], float r_mat[4][4])
		{
		float offset[3], rot[3], scale[3];
		int ri = mmd->rnd[0];
		float factor;

		offset[0] = mmd->offset[0] * elem_idx[0];
		offset[1] = mmd->offset[1] * elem_idx[1];
		offset[2] = mmd->offset[2] * elem_idx[2];

		/* rotation */
		if (mmd->flag & GP_INSTANCE_RANDOM_ROT) {
		factor = mmd->rnd_rot * mmd->rnd[ri];
		mul_v3_v3fl(rot, mmd->rot, factor);
		add_v3_v3(rot, mmd->rot);
		}
		else {
		copy_v3_v3(rot, mmd->rot);
		}

		/* scale */
		if (mmd->flag & GP_INSTANCE_RANDOM_SIZE) {
		factor = mmd->rnd_size * mmd->rnd[ri];
		mul_v3_v3fl(scale, mmd->scale, factor);
		add_v3_v3(scale, mmd->scale);
		}
		else {
		copy_v3_v3(scale, mmd->scale);
		}

		/* advance random index */
		mmd->rnd[0]++;
		if (mmd->rnd[0] > 19) {
		mmd->rnd[0] = 1;
		}

		/* calculate matrix */
		loc_eul_size_to_mat4(r_mat, offset, rot, scale);
		}