forked from bartvdbraak/blender
Bake-API: handle objects with no faces (fix T40601)
Also it has a better error handling for the BVHTree creation Fix for 2.71
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8957609f35
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b0708dd718
@ -738,9 +738,12 @@ static int bake(
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ob_low->restrictflag |= OB_RESTRICT_RENDER;
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/* populate the pixel arrays with the corresponding face data for each high poly object */
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RE_bake_pixels_populate_from_objects(
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me_low, pixel_array_low, highpoly, tot_highpoly, num_pixels, ob_cage != NULL,
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cage_extrusion, ob_low->obmat, (ob_cage ? ob_cage->obmat : ob_low->obmat), me_cage);
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if (!RE_bake_pixels_populate_from_objects(
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me_low, pixel_array_low, highpoly, tot_highpoly, num_pixels, ob_cage != NULL,
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cage_extrusion, ob_low->obmat, (ob_cage ? ob_cage->obmat : ob_low->obmat), me_cage)) {
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BKE_report(reports, RPT_ERROR, "Error handling selected objects");
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goto cleanup;
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}
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/* the baking itself */
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for (i = 0; i < tot_highpoly; i++) {
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@ -80,7 +80,7 @@ bool RE_bake_internal(
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struct Render *re, struct Object *object, const BakePixel pixel_array[],
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const int num_pixels, const int depth, const ScenePassType pass_type, float result[]);
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void RE_bake_pixels_populate_from_objects(
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bool RE_bake_pixels_populate_from_objects(
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struct Mesh *me_low, BakePixel pixel_array_from[],
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BakeHighPolyData highpoly[], const int tot_highpoly, const int num_pixels, const bool is_custom_cage,
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const float cage_extrusion, float mat_low[4][4], float mat_cage[4][4], struct Mesh *me_cage);
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@ -299,7 +299,9 @@ static bool cast_ray_highpoly(
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normalize_v3(dir_high);
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/* cast ray */
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BLI_bvhtree_ray_cast(treeData[i].tree, co_high, dir_high, 0.0f, &hits[i], treeData[i].raycast_callback, &treeData[i]);
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if (treeData[i].tree) {
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BLI_bvhtree_ray_cast(treeData[i].tree, co_high, dir_high, 0.0f, &hits[i], treeData[i].raycast_callback, &treeData[i]);
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}
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if (hits[i].index != -1) {
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/* cull backface */
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@ -434,7 +436,7 @@ static void mesh_calc_tri_tessface(
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BLI_assert(p_id < me->totface * 2);
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}
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void RE_bake_pixels_populate_from_objects(
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bool RE_bake_pixels_populate_from_objects(
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struct Mesh *me_low, BakePixel pixel_array_from[],
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BakeHighPolyData highpoly[], const int tot_highpoly, const int num_pixels, const bool is_custom_cage,
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const float cage_extrusion, float mat_low[4][4], float mat_cage[4][4], struct Mesh *me_cage)
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@ -444,6 +446,7 @@ void RE_bake_pixels_populate_from_objects(
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float u, v;
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float imat_low [4][4];
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bool is_cage = me_cage != NULL;
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bool result = true;
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DerivedMesh *dm_low = NULL;
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DerivedMesh **dm_highpoly;
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@ -455,10 +458,10 @@ void RE_bake_pixels_populate_from_objects(
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TriTessFace **tris_high;
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/* assume all lowpoly tessfaces can be quads */
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tris_high = MEM_mallocN(sizeof(TriTessFace *) * tot_highpoly, "MVerts Highpoly Mesh Array");
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tris_high = MEM_callocN(sizeof(TriTessFace *) * tot_highpoly, "MVerts Highpoly Mesh Array");
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/* assume all highpoly tessfaces are triangles */
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dm_highpoly = MEM_mallocN(sizeof(DerivedMesh *) * tot_highpoly, "Highpoly Derived Meshes");
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dm_highpoly = MEM_callocN(sizeof(DerivedMesh *) * tot_highpoly, "Highpoly Derived Meshes");
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treeData = MEM_callocN(sizeof(BVHTreeFromMesh) * tot_highpoly, "Highpoly BVH Trees");
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if (!is_cage) {
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@ -486,12 +489,15 @@ void RE_bake_pixels_populate_from_objects(
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dm_highpoly[i] = CDDM_from_mesh(highpoly[i].me);
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/* Create a bvh-tree for each highpoly object */
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bvhtree_from_mesh_faces(&treeData[i], dm_highpoly[i], 0.0, 2, 6);
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if (dm_highpoly[i]->getNumTessFaces(dm_highpoly[i]) != 0) {
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/* Create a bvh-tree for each highpoly object */
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bvhtree_from_mesh_faces(&treeData[i], dm_highpoly[i], 0.0, 2, 6);
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if (&treeData[i].tree == NULL) {
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printf("Baking: Out of memory\n");
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goto cleanup;
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if (treeData[i].tree == NULL) {
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printf("Baking: out of memory while creating BHVTree for object \"%s\"\n", highpoly[i].ob->id.name + 2);
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result = false;
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goto cleanup;
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}
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}
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}
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@ -537,8 +543,14 @@ void RE_bake_pixels_populate_from_objects(
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cleanup:
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for (i = 0; i < tot_highpoly; i++) {
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free_bvhtree_from_mesh(&treeData[i]);
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dm_highpoly[i]->release(dm_highpoly[i]);
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MEM_freeN(tris_high[i]);
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if (dm_highpoly[i]) {
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dm_highpoly[i]->release(dm_highpoly[i]);
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}
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if (tris_high[i]) {
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MEM_freeN(tris_high[i]);
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}
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}
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MEM_freeN(tris_high);
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@ -554,6 +566,8 @@ cleanup:
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if (tris_cage) {
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MEM_freeN(tris_cage);
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}
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return result;
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}
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static void bake_differentials(BakeDataZSpan *bd, const float *uv1, const float *uv2, const float *uv3)
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