diff options
Diffstat (limited to 'modules')
-rw-r--r-- | modules/thekla_unwrap/SCsub | 3 | ||||
-rw-r--r-- | modules/thekla_unwrap/register_types.cpp | 85 |
2 files changed, 85 insertions, 3 deletions
diff --git a/modules/thekla_unwrap/SCsub b/modules/thekla_unwrap/SCsub index 2b1349a15f..1d4b086848 100644 --- a/modules/thekla_unwrap/SCsub +++ b/modules/thekla_unwrap/SCsub @@ -47,7 +47,8 @@ if env['builtin_thekla_atlas']: "nvmesh/param/SingleFaceMap.cpp", "nvmesh/param/Util.cpp", "nvmesh/weld/VertexWeld.cpp", - "nvmesh/weld/Snap.cpp" + "nvmesh/weld/Snap.cpp", + "thekla/thekla_atlas.cpp" ] thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources] diff --git a/modules/thekla_unwrap/register_types.cpp b/modules/thekla_unwrap/register_types.cpp index 8a9f8341e8..01b834f8cb 100644 --- a/modules/thekla_unwrap/register_types.cpp +++ b/modules/thekla_unwrap/register_types.cpp @@ -28,7 +28,88 @@ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "register_types.h" +#include "thirdparty/thekla_atlas/thekla/thekla_atlas.h" +#include <stdio.h> +#include <stdlib.h> +extern bool (*array_mesh_lightmap_unwrap_callback)(float p_texel_size, const float *p_vertices, const float *p_normals, int p_vertex_count, const int *p_indices, const int *p_face_materials, int p_index_count, float **r_uv, int **r_vertex, int *r_vertex_count, int **r_index, int *r_index_count, int *r_size_hint_x, int *r_size_hint_y); -void register_thekla_unwrap_types() {} +bool thekla_mesh_lightmap_unwrap_callback(float p_texel_size, const float *p_vertices, const float *p_normals, int p_vertex_count, const int *p_indices, const int *p_face_materials, int p_index_count, float **r_uv, int **r_vertex, int *r_vertex_count, int **r_index, int *r_index_count, int *r_size_hint_x, int *r_size_hint_y) { -void unregister_thekla_unwrap_types() {} + //set up input mesh + Thekla::Atlas_Input_Mesh input_mesh; + input_mesh.face_array = new Thekla::Atlas_Input_Face[p_index_count / 3]; + for (int i = 0; i < p_index_count / 3; i++) { + input_mesh.face_array[i].vertex_index[0] = p_indices[i * 3 + 0]; + input_mesh.face_array[i].vertex_index[1] = p_indices[i * 3 + 1]; + input_mesh.face_array[i].vertex_index[2] = p_indices[i * 3 + 2]; + printf("face %i - %i, %i, %i - mat %i\n", i, input_mesh.face_array[i].vertex_index[0], input_mesh.face_array[i].vertex_index[1], input_mesh.face_array[i].vertex_index[2], p_face_materials[i]); + input_mesh.face_array[i].material_index = p_face_materials[i]; + } + input_mesh.vertex_array = new Thekla::Atlas_Input_Vertex[p_vertex_count]; + for (int i = 0; i < p_vertex_count; i++) { + input_mesh.vertex_array[i].first_colocal = i; //wtf + for (int j = 0; j < 3; j++) { + input_mesh.vertex_array[i].position[j] = p_vertices[i * 3 + j]; + input_mesh.vertex_array[i].normal[j] = p_normals[i * 3 + j]; + } + input_mesh.vertex_array[i].uv[0] = 0; + input_mesh.vertex_array[i].uv[1] = 0; + printf("vertex %i - %f, %f, %f\n", i, input_mesh.vertex_array[i].position[0], input_mesh.vertex_array[i].position[1], input_mesh.vertex_array[i].position[2]); + printf("normal %i - %f, %f, %f\n", i, input_mesh.vertex_array[i].normal[0], input_mesh.vertex_array[i].normal[1], input_mesh.vertex_array[i].normal[2]); + } + input_mesh.face_count = p_index_count / 3; + input_mesh.vertex_count = p_vertex_count; + + //set up options + Thekla::Atlas_Options options; + Thekla::atlas_set_default_options(&options); + options.packer_options.witness.packing_quality = 1; + options.packer_options.witness.texel_area = 1.0 / p_texel_size; + + //generate + Thekla::Atlas_Error err; + Thekla::Atlas_Output_Mesh *output = atlas_generate(&input_mesh, &options, &err); + + delete[] input_mesh.face_array; + delete[] input_mesh.vertex_array; + + if (err != Thekla::Atlas_Error_Success) { + printf("error with atlas\n"); + } else { + *r_vertex = (int *)malloc(sizeof(int) * output->vertex_count); + *r_uv = (float *)malloc(sizeof(float) * output->vertex_count * 3); + *r_index = (int *)malloc(sizeof(int) * output->index_count); + + // printf("w: %i, h: %i\n", output->atlas_width, output->atlas_height); + for (int i = 0; i < output->vertex_count; i++) { + (*r_vertex)[i] = output->vertex_array[i].xref; + (*r_uv)[i * 2 + 0] = output->vertex_array[i].uv[0] / output->atlas_width; + (*r_uv)[i * 2 + 1] = output->vertex_array[i].uv[1] / output->atlas_height; + // printf("uv: %f,%f\n", (*r_uv)[i * 2 + 0], (*r_uv)[i * 2 + 1]); + } + *r_vertex_count = output->vertex_count; + + for (int i = 0; i < output->index_count; i++) { + (*r_index)[i] = output->index_array[i]; + } + + *r_index_count = output->index_count; + + *r_size_hint_x = output->atlas_height; + *r_size_hint_y = output->atlas_width; + } + + if (output) { + atlas_free(output); + } + + return err == Thekla::Atlas_Error_Success; +} + +void register_thekla_unwrap_types() { + + array_mesh_lightmap_unwrap_callback = thekla_mesh_lightmap_unwrap_callback; +} + +void unregister_thekla_unwrap_types() { +} |