forked from bartvdbraak/blender
3271850a2f
in the outliner.
396 lines
9.5 KiB
C++
396 lines
9.5 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __BLENDER_UTIL_H__
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#define __BLENDER_UTIL_H__
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#include "util_map.h"
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#include "util_path.h"
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#include "util_set.h"
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#include "util_transform.h"
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#include "util_types.h"
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#include "util_vector.h"
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/* Hacks to hook into Blender API
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* todo: clean this up ... */
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extern "C" {
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struct RenderEngine;
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struct RenderResult;
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ID *rna_Object_to_mesh(void *_self, void *reports, void *scene, int apply_modifiers, int settings);
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void rna_Main_meshes_remove(void *bmain, void *reports, void *mesh);
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void rna_Object_create_duplilist(void *ob, void *reports, void *sce);
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void rna_Object_free_duplilist(void *ob, void *reports);
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void rna_RenderLayer_rect_set(PointerRNA *ptr, const float *values);
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void rna_RenderPass_rect_set(PointerRNA *ptr, const float *values);
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struct RenderResult *RE_engine_begin_result(struct RenderEngine *engine, int x, int y, int w, int h);
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void RE_engine_update_result(struct RenderEngine *engine, struct RenderResult *result);
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void RE_engine_end_result(struct RenderEngine *engine, struct RenderResult *result);
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int RE_engine_test_break(struct RenderEngine *engine);
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void RE_engine_update_stats(struct RenderEngine *engine, const char *stats, const char *info);
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void RE_engine_update_progress(struct RenderEngine *engine, float progress);
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void engine_tag_redraw(void *engine);
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void engine_tag_update(void *engine);
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int rna_Object_is_modified(void *ob, void *scene, int settings);
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int rna_Object_is_deform_modified(void *ob, void *scene, int settings);
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void BLI_timestr(double _time, char *str);
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void rna_ColorRamp_eval(void *coba, float position, float color[4]);
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void rna_Scene_frame_set(void *scene, int frame, float subframe);
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void BKE_image_user_frame_calc(void *iuser, int cfra, int fieldnr);
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void BKE_image_user_file_path(void *iuser, void *ima, char *path);
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}
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CCL_NAMESPACE_BEGIN
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static inline BL::Mesh object_to_mesh(BL::Object self, BL::Scene scene, bool apply_modifiers, bool render)
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{
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ID *data = rna_Object_to_mesh(self.ptr.data, NULL, scene.ptr.data, apply_modifiers, (render)? 2: 1);
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PointerRNA ptr;
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RNA_id_pointer_create(data, &ptr);
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return BL::Mesh(ptr);
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}
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static inline void colorramp_to_array(BL::ColorRamp ramp, float4 *data, int size)
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{
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for(int i = 0; i < size; i++) {
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float color[4];
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rna_ColorRamp_eval(ramp.ptr.data, i/(float)(size-1), color);
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data[i] = make_float4(color[0], color[1], color[2], color[3]);
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}
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}
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static inline void object_remove_mesh(BL::BlendData data, BL::Mesh mesh)
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{
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rna_Main_meshes_remove(data.ptr.data, NULL, mesh.ptr.data);
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}
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static inline void object_create_duplilist(BL::Object self, BL::Scene scene)
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{
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rna_Object_create_duplilist(self.ptr.data, NULL, scene.ptr.data);
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}
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static inline void object_free_duplilist(BL::Object self)
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{
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rna_Object_free_duplilist(self.ptr.data, NULL);
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}
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static inline bool BKE_object_is_modified(BL::Object self, BL::Scene scene, bool preview)
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{
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return rna_Object_is_modified(self.ptr.data, scene.ptr.data, (preview)? (1<<0): (1<<1))? true: false;
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}
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static inline bool BKE_object_is_deform_modified(BL::Object self, BL::Scene scene, bool preview)
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{
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return rna_Object_is_deform_modified(self.ptr.data, scene.ptr.data, (preview)? (1<<0): (1<<1))? true: false;
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}
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static inline string image_user_file_path(BL::ImageUser iuser, BL::Image ima, int cfra)
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{
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char filepath[1024];
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BKE_image_user_frame_calc(iuser.ptr.data, cfra, 0);
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BKE_image_user_file_path(iuser.ptr.data, ima.ptr.data, filepath);
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return string(filepath);
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}
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static inline void scene_frame_set(BL::Scene scene, int frame)
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{
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rna_Scene_frame_set(scene.ptr.data, frame, 0.0f);
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}
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/* Utilities */
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static inline Transform get_transform(BL::Array<float, 16> array)
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{
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Transform tfm;
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/* we assume both types to be just 16 floats, and transpose because blender
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* use column major matrix order while we use row major */
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memcpy(&tfm, &array, sizeof(float)*16);
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tfm = transform_transpose(tfm);
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return tfm;
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}
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static inline float2 get_float2(BL::Array<float, 2> array)
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{
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return make_float2(array[0], array[1]);
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}
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static inline float3 get_float3(BL::Array<float, 2> array)
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{
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return make_float3(array[0], array[1], 0.0f);
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}
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static inline float3 get_float3(BL::Array<float, 3> array)
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{
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return make_float3(array[0], array[1], array[2]);
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}
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static inline float3 get_float3(BL::Array<float, 4> array)
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{
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return make_float3(array[0], array[1], array[2]);
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}
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static inline int4 get_int4(BL::Array<int, 4> array)
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{
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return make_int4(array[0], array[1], array[2], array[3]);
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}
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static inline uint get_layer(BL::Array<int, 20> array)
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{
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uint layer = 0;
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for(uint i = 0; i < 20; i++)
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if(array[i])
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layer |= (1 << i);
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return layer;
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}
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static inline uint get_layer(BL::Array<int, 20> array, BL::Array<int, 8> local_array, bool is_light = false)
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{
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uint layer = 0;
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for(uint i = 0; i < 20; i++)
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if(array[i])
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layer |= (1 << i);
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if(is_light) {
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/* consider lamps on all local view layers */
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for(uint i = 0; i < 8; i++)
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layer |= (1 << (20+i));
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}
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else {
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for(uint i = 0; i < 8; i++)
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if(local_array[i])
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layer |= (1 << (20+i));
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}
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return layer;
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}
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#if 0
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static inline float3 get_float3(PointerRNA& ptr, const char *name)
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{
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float3 f;
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RNA_float_get_array(&ptr, name, &f.x);
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return f;
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}
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#endif
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static inline bool get_boolean(PointerRNA& ptr, const char *name)
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{
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return RNA_boolean_get(&ptr, name)? true: false;
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}
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static inline float get_float(PointerRNA& ptr, const char *name)
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{
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return RNA_float_get(&ptr, name);
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}
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static inline int get_int(PointerRNA& ptr, const char *name)
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{
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return RNA_int_get(&ptr, name);
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}
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static inline int get_enum(PointerRNA& ptr, const char *name)
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{
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return RNA_enum_get(&ptr, name);
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}
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static inline string get_enum_identifier(PointerRNA& ptr, const char *name)
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{
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PropertyRNA *prop = RNA_struct_find_property(&ptr, name);
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const char *identifier = "";
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int value = RNA_property_enum_get(&ptr, prop);
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RNA_property_enum_identifier(NULL, &ptr, prop, value, &identifier);
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return string(identifier);
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}
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/* Relative Paths */
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static inline string blender_absolute_path(BL::BlendData b_data, BL::ID b_id, const string& path)
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{
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if(path.size() >= 2 && path[0] == '/' && path[1] == '/') {
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string dirname;
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if(b_id.library())
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dirname = blender_absolute_path(b_data, b_id.library(), b_id.library().filepath());
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else
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dirname = b_data.filepath();
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return path_join(path_dirname(dirname), path.substr(2));
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}
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return path;
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}
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/* ID Map
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*
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* Utility class to keep in sync with blender data.
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* Used for objects, meshes, lights and shaders. */
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template<typename K, typename T>
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class id_map {
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public:
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id_map(vector<T*> *scene_data_)
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{
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scene_data = scene_data_;
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}
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T *find(BL::ID id)
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{
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return find(id.ptr.id.data);
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}
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T *find(const K& key)
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{
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if(b_map.find(key) != b_map.end()) {
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T *data = b_map[key];
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return data;
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}
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return NULL;
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}
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void set_recalc(BL::ID id)
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{
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b_recalc.insert(id.ptr.data);
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}
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bool has_recalc()
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{
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return !(b_recalc.empty());
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}
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void pre_sync()
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{
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used_set.clear();
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}
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bool sync(T **r_data, BL::ID id)
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{
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return sync(r_data, id, id, id.ptr.id.data);
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}
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bool sync(T **r_data, BL::ID id, BL::ID parent, const K& key)
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{
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T *data = find(key);
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bool recalc;
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if(!data) {
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/* add data if it didn't exist yet */
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data = new T();
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scene_data->push_back(data);
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b_map[key] = data;
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recalc = true;
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}
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else {
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recalc = (b_recalc.find(id.ptr.data) != b_recalc.end());
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if(parent.ptr.data)
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recalc = recalc || (b_recalc.find(parent.ptr.data) != b_recalc.end());
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}
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used(data);
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*r_data = data;
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return recalc;
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}
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void used(T *data)
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{
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/* tag data as still in use */
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used_set.insert(data);
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}
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void set_default(T *data)
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{
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b_map[NULL] = data;
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}
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bool post_sync(bool do_delete = true)
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{
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/* remove unused data */
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vector<T*> new_scene_data;
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typename vector<T*>::iterator it;
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bool deleted = false;
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for(it = scene_data->begin(); it != scene_data->end(); it++) {
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T *data = *it;
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if(do_delete && used_set.find(data) == used_set.end()) {
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delete data;
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deleted = true;
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}
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else
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new_scene_data.push_back(data);
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}
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*scene_data = new_scene_data;
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/* update mapping */
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map<K, T*> new_map;
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typedef pair<const K, T*> TMapPair;
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typename map<K, T*>::iterator jt;
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for(jt = b_map.begin(); jt != b_map.end(); jt++) {
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TMapPair& pair = *jt;
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if(used_set.find(pair.second) != used_set.end())
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new_map[pair.first] = pair.second;
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}
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used_set.clear();
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b_recalc.clear();
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b_map = new_map;
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return deleted;
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}
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protected:
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vector<T*> *scene_data;
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map<K, T*> b_map;
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set<T*> used_set;
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set<void*> b_recalc;
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};
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/* Object Key */
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struct ObjectKey {
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void *parent;
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int index;
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void *ob;
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ObjectKey(void *parent_, int index_, void *ob_)
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: parent(parent_), index(index_), ob(ob_) {}
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bool operator<(const ObjectKey& k) const
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{ return (parent < k.parent || (parent == k.parent && (index < k.index || (index == k.index && ob < k.ob)))); }
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};
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CCL_NAMESPACE_END
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#endif /* __BLENDER_UTIL_H__ */
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