diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_util.c')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_util.c | 98 |
1 files changed, 96 insertions, 2 deletions
diff --git a/source/blender/modifiers/intern/MOD_util.c b/source/blender/modifiers/intern/MOD_util.c index c697dafb6fc..d008fcfc929 100644 --- a/source/blender/modifiers/intern/MOD_util.c +++ b/source/blender/modifiers/intern/MOD_util.c @@ -1,4 +1,4 @@ -/** +/* * $Id$ * * ***** BEGIN GPL LICENSE BLOCK ***** @@ -30,13 +30,21 @@ * ***** END GPL LICENSE BLOCK ***** */ +/** \file blender/modifiers/intern/MOD_util.c + * \ingroup modifiers + */ + + #include <string.h> #include "DNA_modifier_types.h" #include "DNA_object_types.h" #include "DNA_curve_types.h" +#include "DNA_meshdata_types.h" #include "BLI_utildefines.h" +#include "BLI_math_vector.h" +#include "BLI_math_matrix.h" #include "BKE_cdderivedmesh.h" #include "BKE_mesh.h" @@ -69,6 +77,92 @@ void get_texture_value(Tex *texture, float *tex_co, TexResult *texres) texres->tr = texres->tg = texres->tb = texres->tin; } +void get_texture_coords(MappingInfoModifierData *dmd, Object *ob, + DerivedMesh *dm, + float (*co)[3], float (*texco)[3], + int numVerts) +{ + int i; + int texmapping = dmd->texmapping; + float mapob_imat[4][4]; + + if(texmapping == MOD_DISP_MAP_OBJECT) { + if(dmd->map_object) + invert_m4_m4(mapob_imat, dmd->map_object->obmat); + else /* if there is no map object, default to local */ + texmapping = MOD_DISP_MAP_LOCAL; + } + + /* UVs need special handling, since they come from faces */ + if(texmapping == MOD_DISP_MAP_UV) { + if(CustomData_has_layer(&dm->faceData, CD_MTFACE)) { + MFace *mface = dm->getFaceArray(dm); + MFace *mf; + char *done = MEM_callocN(sizeof(*done) * numVerts, + "get_texture_coords done"); + int numFaces = dm->getNumFaces(dm); + char uvname[32]; + MTFace *tf; + + validate_layer_name(&dm->faceData, CD_MTFACE, dmd->uvlayer_name, uvname); + tf = CustomData_get_layer_named(&dm->faceData, CD_MTFACE, uvname); + + /* verts are given the UV from the first face that uses them */ + for(i = 0, mf = mface; i < numFaces; ++i, ++mf, ++tf) { + if(!done[mf->v1]) { + texco[mf->v1][0] = tf->uv[0][0]; + texco[mf->v1][1] = tf->uv[0][1]; + texco[mf->v1][2] = 0; + done[mf->v1] = 1; + } + if(!done[mf->v2]) { + texco[mf->v2][0] = tf->uv[1][0]; + texco[mf->v2][1] = tf->uv[1][1]; + texco[mf->v2][2] = 0; + done[mf->v2] = 1; + } + if(!done[mf->v3]) { + texco[mf->v3][0] = tf->uv[2][0]; + texco[mf->v3][1] = tf->uv[2][1]; + texco[mf->v3][2] = 0; + done[mf->v3] = 1; + } + if(!done[mf->v4]) { + texco[mf->v4][0] = tf->uv[3][0]; + texco[mf->v4][1] = tf->uv[3][1]; + texco[mf->v4][2] = 0; + done[mf->v4] = 1; + } + } + + /* remap UVs from [0, 1] to [-1, 1] */ + for(i = 0; i < numVerts; ++i) { + texco[i][0] = texco[i][0] * 2 - 1; + texco[i][1] = texco[i][1] * 2 - 1; + } + + MEM_freeN(done); + return; + } else /* if there are no UVs, default to local */ + texmapping = MOD_DISP_MAP_LOCAL; + } + + for(i = 0; i < numVerts; ++i, ++co, ++texco) { + switch(texmapping) { + case MOD_DISP_MAP_LOCAL: + copy_v3_v3(*texco, *co); + break; + case MOD_DISP_MAP_GLOBAL: + mul_v3_m4v3(*texco, ob->obmat, *co); + break; + case MOD_DISP_MAP_OBJECT: + mul_v3_m4v3(*texco, ob->obmat, *co); + mul_m4_v3(mapob_imat, *texco); + break; + } + } +} + void modifier_vgroup_cache(ModifierData *md, float (*vertexCos)[3]) { while((md=md->next) && md->type==eModifierType_Armature) { @@ -148,7 +242,6 @@ DerivedMesh *get_dm(Object *ob, struct EditMesh *em, DerivedMesh *dm, float (*ve /* only called by BKE_modifier.h/modifier.c */ void modifier_type_init(ModifierTypeInfo *types[]) { - memset(types, 0, sizeof(types)); #define INIT_TYPE(typeName) (types[eModifierType_##typeName] = &modifierType_##typeName) INIT_TYPE(None); INIT_TYPE(Curve); @@ -185,6 +278,7 @@ void modifier_type_init(ModifierTypeInfo *types[]) INIT_TYPE(ShapeKey); INIT_TYPE(Solidify); INIT_TYPE(Screw); + INIT_TYPE(Warp); INIT_TYPE(NavMesh); #undef INIT_TYPE } |