summaryrefslogtreecommitdiff
path: root/modules
diff options
context:
space:
mode:
Diffstat (limited to 'modules')
-rw-r--r--modules/thekla_unwrap/SCsub3
-rw-r--r--modules/thekla_unwrap/register_types.cpp85
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() {
+}