Differential D7141 Diff 22774 source/blender/blenkernel/intern/hair.c

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source/blender/blenkernel/intern/hair.c

Show First 20 Lines • Show All 245 Lines • ▼ Show 20 Lines	if (reference) {
flags \|= LIB_ID_COPY_CD_REFERENCE;		flags \|= LIB_ID_COPY_CD_REFERENCE;
}		}

Hair *result;		Hair *result;
BKE_id_copy_ex(NULL, &hair_src->id, (ID **)&result, flags);		BKE_id_copy_ex(NULL, &hair_src->id, (ID **)&result, flags);
return result;		return result;
}		}

static Hair hair_evaluate_modifiers(struct Depsgraph UNUSED(depsgraph),		static Hair hair_evaluate_modifiers(struct Depsgraph depsgraph,
struct Scene *UNUSED(scene),		struct Scene *scene,
Object *UNUSED(object),		Object *object,
Hair *hair_input)		Hair *hair_input)
{		{
return hair_input;		Hair *hair = hair_input;

		/* Modifier evaluation modes. */
		const bool use_render = (DEG_get_mode(depsgraph) == DAG_EVAL_RENDER);
		const int required_mode = use_render ? eModifierMode_Render : eModifierMode_Realtime;
		ModifierApplyFlag appflag = use_render ? MOD_APPLY_RENDER : MOD_APPLY_USECACHE;
		JacquesLuckeUnsubmitted Done Inline Actions `apply_flag` JacquesLucke: `apply_flag`
		const ModifierEvalContext mectx = {depsgraph, object, appflag};

		/* Get effective list of modifiers to execute. Some effects like shape keys
		* are added as virtual modifiers before the user created modifiers. */
		VirtualModifierData virtualModifierData;
		ModifierData *md = modifiers_getVirtualModifierList(object, &virtualModifierData);

		/* Evaluate modifiers. */
		for (; md; md = md->next) {
		const ModifierTypeInfo *mti = modifierType_getInfo(md->type);

		if (!modifier_isEnabled(scene, md, required_mode)) {
		continue;
		}

		if ((mti->type == eModifierTypeType_OnlyDeform) &&
		(mti->flags & eModifierTypeFlag_AcceptsVertexCosOnly)) {
		/* Ensure we are not modifying the input. */
		if (hair == hair_input) {
		hair = BKE_hair_copy_for_eval(hair, true);
		}

		/* Ensure we are not overwriting referenced data. */
		CustomData_duplicate_referenced_layer(&hair->pdata, CD_LOCATION, hair->totpoint);
		BKE_hair_update_customdata_pointers(hair);

		/* Created deformed coordinates array on demand. */
		mti->deformVerts(md, &mectx, NULL, hair->co, hair->totpoint);
		}
		else if (mti->modifyHair) {
		/* Ensure we are not modifying the input. */
		if (hair == hair_input) {
		hair = BKE_hair_copy_for_eval(hair, true);
		}

		Hair *hair_next = mti->modifyHair(md, &mectx, hair);

		if (hair_next && hair_next != hair) {
		/* If the modifier returned a new hair, release the old one. */
		if (hair != hair_input) {
		BKE_id_free(NULL, hair);
		}
		hair = hair_next;
		}
		}
		}

		return hair;
}		}

void BKE_hair_data_update(struct Depsgraph depsgraph, struct Scene scene, Object *object)		void BKE_hair_data_update(struct Depsgraph depsgraph, struct Scene scene, Object *object)
{		{
/* Free any evaluated data and restore original data. */		/* Free any evaluated data and restore original data. */
BKE_object_free_derived_caches(object);		BKE_object_free_derived_caches(object);

/* Evaluate modifiers. */		/* Evaluate modifiers. */
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