Differential D11236 Diff 37171 source/blender/blenkernel/intern/material.c

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source/blender/blenkernel/intern/material.c

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	#include "BKE_main.h"			#include "BKE_main.h"
	#include "BKE_material.h"			#include "BKE_material.h"
	#include "BKE_mesh.h"			#include "BKE_mesh.h"
	#include "BKE_node.h"			#include "BKE_node.h"
	#include "BKE_scene.h"			#include "BKE_scene.h"

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

	#include "GPU_material.h"			#include "GPU_material.h"

	#include "NOD_shader.h"			#include "NOD_shader.h"

	#include "BLO_read_write.h"			#include "BLO_read_write.h"

	static CLG_LogRef LOG = {"bke.material"};			static CLG_LogRef LOG = {"bke.material"};
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	}			}

	Material BKE_object_material_get(Object ob, short act)			Material BKE_object_material_get(Object ob, short act)
	{			{
	Material **ma_p = BKE_object_material_get_p(ob, act);			Material **ma_p = BKE_object_material_get_p(ob, act);
	return ma_p ? *ma_p : NULL;			return ma_p ? *ma_p : NULL;
	}			}

				static ID get_evaluated_object_data_with_materials(Object ob)
				{
				ID *data = ob->data;
				/* Meshes in edit mode need special handling. */
				if (ob->type == OB_MESH && ob->mode == OB_MODE_EDIT) {
				Mesh *mesh = ob->data;
				if (mesh->edit_mesh && mesh->edit_mesh->mesh_eval_final) {
				data = &mesh->edit_mesh->mesh_eval_final->id;
				}
				}
				return data;
				}

				/**
				* On evaluated objects the number of materials on an object and its data might go out of sync.
				* This is because during evaluation materials can be added/removed on the object data.
				*
				* For rendering or exporting we generally use the materials on the object data. However, some
				* material indices might be overwritten by the object.
				*/
				Material BKE_object_material_get_eval(Object ob, short act)
				{
				BLI_assert(DEG_is_evaluated_object(ob));
				const int slot_index = act - 1;

				if (slot_index < 0) {
				return NULL;
				}
				ID *data = get_evaluated_object_data_with_materials(ob);
				const short *tot_slots_data_ptr = BKE_id_material_len_p(data);
				const int tot_slots_data = tot_slots_data_ptr ? *tot_slots_data_ptr : 0;
				if (slot_index >= tot_slots_data) {
				return NULL;
				}
				const int tot_slots_object = ob->totcol;

				Material ***materials_data_ptr = BKE_id_material_array_p(data);
				Material *materials_data = materials_data_ptr ? materials_data_ptr : NULL;
				Material **materials_object = ob->mat;

				/* Check if slot is overwritten by object. */
				if (slot_index < tot_slots_object) {
				if (ob->matbits) {
				if (ob->matbits[slot_index]) {
				Material *material = materials_object[slot_index];
				if (material != NULL) {
				return material;
				}
				}
				}
				}
				/* Otherwise use data from object-data. */
				if (slot_index < tot_slots_data) {
				Material *material = materials_data[slot_index];
				return material;
				}
				return NULL;
				}

				int BKE_object_material_count_eval(Object *ob)
				{
				BLI_assert(DEG_is_evaluated_object(ob));
				ID *id = get_evaluated_object_data_with_materials(ob);
				const short *len_p = BKE_id_material_len_p(id);
				return len_p ? *len_p : 0;
				}

	Material BKE_gpencil_material(Object ob, short act)			Material BKE_gpencil_material(Object ob, short act)
	{			{
	Material *ma = BKE_object_material_get(ob, act);			Material *ma = BKE_object_material_get(ob, act);
	if (ma != NULL) {			if (ma != NULL) {
	return ma;			return ma;
	}			}

	return BKE_material_default_gpencil();			return BKE_material_default_gpencil();
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