diff --git a/fast_obj.h b/fast_obj.h index ea3958a..0758d34 100644 --- a/fast_obj.h +++ b/fast_obj.h @@ -90,7 +90,6 @@ typedef struct fastObjUInt p; fastObjUInt t; fastObjUInt n; - fastObjUInt c; } fastObjIndex; @@ -206,9 +205,6 @@ typedef struct /* Final mesh */ fastObjMesh* mesh; - /* Position index goes to color index map */ - unsigned int* vertex_color_index; - /* Current object/group */ fastObjGroup object; fastObjGroup group; @@ -661,29 +657,22 @@ const char* parse_vertex(fastObjData* data, const char* ptr) array_push(data->mesh->positions, v); } -#ifdef FAST_OBJ_ENABLE_COLOURS -#ifndef FAST_OBJ_LAZY_FILL - /* Default the vertex color to the default color index */ - array_push(data->vertex_color_index, 0); -#endif + ptr = skip_whitespace(ptr); if (!is_newline(*ptr)) { -#ifdef FAST_OBJ_LAZY_FILL - unsigned int oldSz = array_size(data->vertex_color_index); - _array_grow(data->vertex_color_index, array_size(data->mesh->positions) / 3); - _array_size(data->vertex_color_index) = array_size(data->mesh->positions) / 3; - memset(data->vertex_color_index + oldSz, 0, array_size(data->vertex_color_index) - oldSz); -#endif - /* We associate the current vertex position with the vertex color */ - data->vertex_color_index[array_size(data->vertex_color_index) - 1] = array_size(data->mesh->colors) / 3; + /* Fill the colors array until it matches the size of the positions array */ + for (ii = array_size(data->mesh->colors); ii < array_size(data->mesh->positions) - 3; ++ii) + { + array_push(data->mesh->colors, 1.0f); + } + for (ii = 0; ii < 3; ++ii) { ptr = parse_float(ptr, &v); array_push(data->mesh->colors, v); } } -#endif return ptr; } @@ -775,12 +764,6 @@ const char* parse_face(fastObjData* data, const char* ptr) else vn.n = 0; -#ifdef FAST_OBJ_ENABLE_COLOURS - vn.c = data->vertex_color_index[vn.p]; -#else - vn.c = 0; -#endif - array_push(data->mesh->indices, vn); count++; @@ -1362,15 +1345,15 @@ void parse_buffer(fastObjData* data, const char* ptr, const char* end, const fas data->line++; } -#ifdef FAST_OBJ_LAZY_FILL - if (array_size(data->vertex_color_index) < array_size(data->mesh->positions) / 3) + if (array_size(data->mesh->colors) > 0) { - unsigned int oldSz = array_size(data->vertex_color_index); - _array_grow(data->vertex_color_index, array_size(data->mesh->positions) / 3); - _array_size(data->vertex_color_index) = array_size(data->mesh->positions) / 3; - memset(data->vertex_color_index + oldSz, 0, array_size(data->vertex_color_index) - oldSz); + /* Fill the remaining slots in the colors array */ + unsigned int ii; + for (ii = array_size(data->mesh->colors); ii < array_size(data->mesh->positions); ++ii) + { + array_push(data->mesh->colors, 1.0f); + } } -#endif } @@ -1391,9 +1374,7 @@ void fast_obj_destroy(fastObjMesh* m) array_clean(m->positions); array_clean(m->texcoords); array_clean(m->normals); -#ifdef FAST_OBJ_ENABLE_COLOURS array_clean(m->colors); -#endif array_clean(m->face_vertices); array_clean(m->face_materials); array_clean(m->indices); @@ -1447,10 +1428,7 @@ fastObjMesh* fast_obj_read_with_callbacks(const char* path, const fastObjCallbac m->positions = 0; m->texcoords = 0; - m->normals = 0; -#ifdef FAST_OBJ_ENABLE_COLOURS m->colors = 0; -#endif m->face_vertices = 0; m->face_materials = 0; m->indices = 0; @@ -1471,25 +1449,15 @@ fastObjMesh* fast_obj_read_with_callbacks(const char* path, const fastObjCallbac array_push(m->normals, 0.0f); array_push(m->normals, 1.0f); -#ifdef FAST_OBJ_ENABLE_COLOURS - /* Default white color */ - array_push(m->colors, 1.0f); - array_push(m->colors, 1.0f); - array_push(m->colors, 1.0f); -#endif /* Data needed during parsing */ data.mesh = m; - data.vertex_color_index = 0; data.object = object_default(); data.group = group_default(); data.material = 0; data.line = 1; data.base = 0; - /* Dummy position is assigned to the dummy color */ - array_push(data.vertex_color_index, 0); - /* Find base path for materials/textures */ { @@ -1568,9 +1536,7 @@ fastObjMesh* fast_obj_read_with_callbacks(const char* path, const fastObjCallbac m->position_count = array_size(m->positions) / 3; m->texcoord_count = array_size(m->texcoords) / 2; m->normal_count = array_size(m->normals) / 3; -#ifdef FAST_OBJ_ENABLE_COLOURS m->color_count = array_size(m->colors) / 3; -#endif m->face_count = array_size(m->face_vertices); m->index_count = array_size(m->indices); m->material_count = array_size(m->materials); @@ -1581,7 +1547,6 @@ fastObjMesh* fast_obj_read_with_callbacks(const char* path, const fastObjCallbac /* Clean up */ memory_dealloc(buffer); memory_dealloc(data.base); - array_clean(data.vertex_color_index); callbacks->file_close(file, user_data);