diff options
Diffstat (limited to 'source/blender/collada/collada_utils.cpp')
| -rw-r--r-- | source/blender/collada/collada_utils.cpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/source/blender/collada/collada_utils.cpp b/source/blender/collada/collada_utils.cpp index ac4395e1430..b09732f9102 100644 --- a/source/blender/collada/collada_utils.cpp +++ b/source/blender/collada/collada_utils.cpp @@ -32,6 +32,8 @@ #include "COLLADAFWMeshPrimitive.h" #include "COLLADAFWMeshVertexData.h" +#include <set> + extern "C" { #include "DNA_modifier_types.h" #include "DNA_customdata_types.h" @@ -831,4 +833,160 @@ void bc_sanitize_mat(float mat[4][4], int precision) for (int i = 0; i < 4; i++) for (int j = 0; j < 4; j++) mat[i][j] = double_round(mat[i][j], precision); +} + +/* +* Returns name of Active UV Layer or empty String if no active UV Layer defined. +* Assuming the Object is of type MESH +*/ +std::string bc_get_active_uvlayer_name(Object *ob) +{ + Mesh *me = (Mesh *)ob->data; + return bc_get_active_uvlayer_name(me); +} + +/* + * Returns name of Active UV Layer or empty String if no active UV Layer defined + */ +std::string bc_get_active_uvlayer_name(Mesh *me) +{ + int num_layers = CustomData_number_of_layers(&me->fdata, CD_MTFACE); + if (num_layers) { + return std::string(bc_CustomData_get_active_layer_name(&me->fdata, CD_MTFACE)); + } + return ""; +} + +/* + * Returns UV Layer name or empty string if layer index is out of range + */ +std::string bc_get_uvlayer_name(Mesh *me, int layer) +{ + int num_layers = CustomData_number_of_layers(&me->fdata, CD_MTFACE); + if (num_layers && layer < num_layers) { + return std::string(bc_CustomData_get_layer_name(&me->fdata, CD_MTFACE, layer)); + } + return ""; +} + +/********************************************************************** +* +* Return the list of Mesh objects with assigned UVtextures and Images +* Note: We need to create artificaial materials for each of them +* +***********************************************************************/ +std::set<Object *> bc_getUVTexturedObjects(Scene *sce, bool all_uv_layers) +{ + std::set <Object *> UVObjects; + Base *base = (Base *)sce->base.first; + + while (base) { + Object *ob = base->object; + bool has_uvimage = false; + if (ob->type == OB_MESH) { + Mesh *me = (Mesh *)ob->data; + int active_uv_layer = CustomData_get_active_layer_index(&me->pdata, CD_MTEXPOLY); + + for (int i = 0; i < me->pdata.totlayer && !has_uvimage; i++) { + if (all_uv_layers || active_uv_layer == i) + { + if (me->pdata.layers[i].type == CD_MTEXPOLY) { + MTexPoly *txface = (MTexPoly *)me->pdata.layers[i].data; + MPoly *mpoly = me->mpoly; + for (int j = 0; j < me->totpoly; j++, mpoly++, txface++) { + + Image *ima = txface->tpage; + if (ima != NULL) { + has_uvimage = true; + break; + } + } + } + } + } + + if (has_uvimage) { + UVObjects.insert(ob); + } + } + base = base->next; + } + return UVObjects; +} + +/********************************************************************** +* +* Return the list of UV Texture images from all exported Mesh Items +* Note: We need to create one artificial material for each Image. +* +***********************************************************************/ +std::set<Image *> bc_getUVImages(Scene *sce, bool all_uv_layers) +{ + std::set <Image *> UVImages; + Base *base = (Base *)sce->base.first; + + while (base) { + Object *ob = base->object; + bool has_uvimage = false; + if (ob->type == OB_MESH) { + Mesh *me = (Mesh *)ob->data; + int active_uv_layer = CustomData_get_active_layer_index(&me->pdata, CD_MTEXPOLY); + + for (int i = 0; i < me->pdata.totlayer && !has_uvimage; i++) { + if (all_uv_layers || active_uv_layer == i) + { + if (me->pdata.layers[i].type == CD_MTEXPOLY) { + MTexPoly *txface = (MTexPoly *)me->pdata.layers[i].data; + MPoly *mpoly = me->mpoly; + for (int j = 0; j < me->totpoly; j++, mpoly++, txface++) { + + Image *ima = txface->tpage; + if (ima != NULL) { + if (UVImages.find(ima) == UVImages.end()) + UVImages.insert(ima); + } + } + } + } + } + } + base = base->next; + } + return UVImages; +} + +/********************************************************************** +* +* Return the list of UV Texture images for the given Object +* Note: We need to create one artificial material for each Image. +* +***********************************************************************/ +std::set<Image *> bc_getUVImages(Object *ob, bool all_uv_layers) +{ + std::set <Image *> UVImages; + + bool has_uvimage = false; + if (ob->type == OB_MESH) { + Mesh *me = (Mesh *)ob->data; + int active_uv_layer = CustomData_get_active_layer_index(&me->pdata, CD_MTEXPOLY); + + for (int i = 0; i < me->pdata.totlayer && !has_uvimage; i++) { + if (all_uv_layers || active_uv_layer == i) + { + if (me->pdata.layers[i].type == CD_MTEXPOLY) { + MTexPoly *txface = (MTexPoly *)me->pdata.layers[i].data; + MPoly *mpoly = me->mpoly; + for (int j = 0; j < me->totpoly; j++, mpoly++, txface++) { + + Image *ima = txface->tpage; + if (ima != NULL) { + if (UVImages.find(ima) == UVImages.end()) + UVImages.insert(ima); + } + } + } + } + } + } + return UVImages; }
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