static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *dm, ModifierApplyFlag UNUSED(flag)) { UVWarpModifierData *umd = (UVWarpModifierData *) md; int i, numPolys, numLoops; MPoly *mpoly; MLoop *mloop; MLoopUV *mloopuv; MDeformVert *dvert; int defgrp_index; char uvname[MAX_CUSTOMDATA_LAYER_NAME]; float mat_src[4][4]; float mat_dst[4][4]; float imat_dst[4][4]; float warp_mat[4][4]; const int axis_u = umd->axis_u; const int axis_v = umd->axis_v; /* make sure there are UV Maps available */ if (!CustomData_has_layer(&dm->loopData, CD_MLOOPUV)) { return dm; } else if (ELEM(NULL, umd->object_src, umd->object_dst)) { modifier_setError(md, "From/To objects must be set"); return dm; } /* make sure anything moving UVs is available */ matrix_from_obj_pchan(mat_src, umd->object_src, umd->bone_src); matrix_from_obj_pchan(mat_dst, umd->object_dst, umd->bone_dst); invert_m4_m4(imat_dst, mat_dst); mul_m4_m4m4(warp_mat, imat_dst, mat_src); /* apply warp */ if (!is_zero_v2(umd->center)) { float mat_cent[4][4]; float imat_cent[4][4]; unit_m4(mat_cent); mat_cent[3][axis_u] = umd->center[0]; mat_cent[3][axis_v] = umd->center[1]; invert_m4_m4(imat_cent, mat_cent); mul_m4_m4m4(warp_mat, warp_mat, imat_cent); mul_m4_m4m4(warp_mat, mat_cent, warp_mat); } /* make sure we're using an existing layer */ CustomData_validate_layer_name(&dm->loopData, CD_MLOOPUV, umd->uvlayer_name, uvname); numPolys = dm->getNumPolys(dm); numLoops = dm->getNumLoops(dm); mpoly = dm->getPolyArray(dm); mloop = dm->getLoopArray(dm); /* make sure we are not modifying the original UV map */ mloopuv = CustomData_duplicate_referenced_layer_named(&dm->loopData, CD_MLOOPUV, uvname, numLoops); modifier_get_vgroup(ob, dm, umd->vgroup_name, &dvert, &defgrp_index); if (dvert) { #pragma omp parallel for if (numPolys > OMP_LIMIT) for (i = 0; i < numPolys; i++) { float uv[2]; MPoly *mp = &mpoly[i]; MLoop *ml = &mloop[mp->loopstart]; MLoopUV *mluv = &mloopuv[mp->loopstart]; int l; for (l = 0; l < mp->totloop; l++, ml++, mluv++) { const float weight = defvert_find_weight(&dvert[ml->v], defgrp_index); uv_warp_from_mat4_pair(uv, mluv->uv, warp_mat, axis_u, axis_v); interp_v2_v2v2(mluv->uv, mluv->uv, uv, weight); } } } else { #pragma omp parallel for if (numPolys > OMP_LIMIT) for (i = 0; i < numPolys; i++) { MPoly *mp = &mpoly[i]; // MLoop *ml = &mloop[mp->loopstart]; MLoopUV *mluv = &mloopuv[mp->loopstart]; int l; for (l = 0; l < mp->totloop; l++, /* ml++, */ mluv++) { uv_warp_from_mat4_pair(mluv->uv, mluv->uv, warp_mat, axis_u, axis_v); } } } dm->dirty |= DM_DIRTY_TESS_CDLAYERS; return dm; }
static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *dm, ModifierApplyFlag UNUSED(flag)) { UVWarpModifierData *umd = (UVWarpModifierData *) md; int numPolys, numLoops; MPoly *mpoly; MLoop *mloop; MLoopUV *mloopuv; MDeformVert *dvert; int defgrp_index; char uvname[MAX_CUSTOMDATA_LAYER_NAME]; float mat_src[4][4]; float mat_dst[4][4]; float imat_dst[4][4]; float warp_mat[4][4]; const int axis_u = umd->axis_u; const int axis_v = umd->axis_v; /* make sure there are UV Maps available */ if (!CustomData_has_layer(&dm->loopData, CD_MLOOPUV)) { return dm; } else if (ELEM(NULL, umd->object_src, umd->object_dst)) { modifier_setError(md, "From/To objects must be set"); return dm; } /* make sure anything moving UVs is available */ matrix_from_obj_pchan(mat_src, umd->object_src, umd->bone_src); matrix_from_obj_pchan(mat_dst, umd->object_dst, umd->bone_dst); invert_m4_m4(imat_dst, mat_dst); mul_m4_m4m4(warp_mat, imat_dst, mat_src); /* apply warp */ if (!is_zero_v2(umd->center)) { float mat_cent[4][4]; float imat_cent[4][4]; unit_m4(mat_cent); mat_cent[3][axis_u] = umd->center[0]; mat_cent[3][axis_v] = umd->center[1]; invert_m4_m4(imat_cent, mat_cent); mul_m4_m4m4(warp_mat, warp_mat, imat_cent); mul_m4_m4m4(warp_mat, mat_cent, warp_mat); } /* make sure we're using an existing layer */ CustomData_validate_layer_name(&dm->loopData, CD_MLOOPUV, umd->uvlayer_name, uvname); numPolys = dm->getNumPolys(dm); numLoops = dm->getNumLoops(dm); mpoly = dm->getPolyArray(dm); mloop = dm->getLoopArray(dm); /* make sure we are not modifying the original UV map */ mloopuv = CustomData_duplicate_referenced_layer_named(&dm->loopData, CD_MLOOPUV, uvname, numLoops); modifier_get_vgroup(ob, dm, umd->vgroup_name, &dvert, &defgrp_index); UVWarpData data = {.mpoly = mpoly, .mloop = mloop, .mloopuv = mloopuv, .dvert = dvert, .defgrp_index = defgrp_index, .warp_mat = warp_mat, .axis_u = axis_u, .axis_v = axis_v}; BLI_task_parallel_range(0, numPolys, &data, uv_warp_compute, numPolys > 1000); dm->dirty |= DM_DIRTY_TESS_CDLAYERS; return dm; }