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-rw-r--r--thirdparty/thekla_atlas/thekla/thekla_atlas.cpp288
1 files changed, 0 insertions, 288 deletions
diff --git a/thirdparty/thekla_atlas/thekla/thekla_atlas.cpp b/thirdparty/thekla_atlas/thekla/thekla_atlas.cpp
deleted file mode 100644
index de1953db8a..0000000000
--- a/thirdparty/thekla_atlas/thekla/thekla_atlas.cpp
+++ /dev/null
@@ -1,288 +0,0 @@
-
-#include "thekla_atlas.h"
-
-#include <cfloat>
-// -- GODOT start --
-#include <stdio.h>
-// -- GODOT end --
-
-#include "nvmesh/halfedge/Edge.h"
-#include "nvmesh/halfedge/Mesh.h"
-#include "nvmesh/halfedge/Face.h"
-#include "nvmesh/halfedge/Vertex.h"
-#include "nvmesh/param/Atlas.h"
-
-#include "nvmath/Vector.inl"
-#include "nvmath/ftoi.h"
-
-#include "nvcore/Array.inl"
-
-
-using namespace Thekla;
-using namespace nv;
-
-
-inline Atlas_Output_Mesh * set_error(Atlas_Error * error, Atlas_Error code) {
- if (error) *error = code;
- return NULL;
-}
-
-
-
-static void input_to_mesh(const Atlas_Input_Mesh * input, HalfEdge::Mesh * mesh, Atlas_Error * error) {
-
- Array<uint> canonicalMap;
- canonicalMap.reserve(input->vertex_count);
-
- for (int i = 0; i < input->vertex_count; i++) {
- const Atlas_Input_Vertex & input_vertex = input->vertex_array[i];
- const float * pos = input_vertex.position;
- const float * nor = input_vertex.normal;
- const float * tex = input_vertex.uv;
-
- HalfEdge::Vertex * vertex = mesh->addVertex(Vector3(pos[0], pos[1], pos[2]));
- vertex->nor.set(nor[0], nor[1], nor[2]);
- vertex->tex.set(tex[0], tex[1]);
-
- canonicalMap.append(input_vertex.first_colocal);
- }
-
- mesh->linkColocalsWithCanonicalMap(canonicalMap);
-
-
- const int face_count = input->face_count;
-
- int non_manifold_faces = 0;
- for (int i = 0; i < face_count; i++) {
- const Atlas_Input_Face & input_face = input->face_array[i];
-
- int v0 = input_face.vertex_index[0];
- int v1 = input_face.vertex_index[1];
- int v2 = input_face.vertex_index[2];
-
- HalfEdge::Face * face = mesh->addFace(v0, v1, v2);
- if (face != NULL) {
- face->material = input_face.material_index;
- }
- else {
- non_manifold_faces++;
- }
- }
-
- mesh->linkBoundary();
-
- if (non_manifold_faces != 0 && error != NULL) {
- *error = Atlas_Error_Invalid_Mesh_Non_Manifold;
- }
-}
-
-static Atlas_Output_Mesh * mesh_atlas_to_output(const HalfEdge::Mesh * mesh, const Atlas & atlas, Atlas_Error * error) {
-
- Atlas_Output_Mesh * output = new Atlas_Output_Mesh;
-
- const MeshCharts * charts = atlas.meshAt(0);
-
- // Allocate vertices.
- const int vertex_count = charts->vertexCount();
- output->vertex_count = vertex_count;
- output->vertex_array = new Atlas_Output_Vertex[vertex_count];
-
- int w = 0;
- int h = 0;
-
- // Output vertices.
- const int chart_count = charts->chartCount();
- for (int i = 0; i < chart_count; i++) {
- const Chart * chart = charts->chartAt(i);
- uint vertexOffset = charts->vertexCountBeforeChartAt(i);
-
- const uint chart_vertex_count = chart->vertexCount();
- for (uint v = 0; v < chart_vertex_count; v++) {
- Atlas_Output_Vertex & output_vertex = output->vertex_array[vertexOffset + v];
-
- uint original_vertex = chart->mapChartVertexToOriginalVertex(v);
- output_vertex.xref = original_vertex;
-
- Vector2 uv = chart->chartMesh()->vertexAt(v)->tex;
- output_vertex.uv[0] = uv.x;
- output_vertex.uv[1] = uv.y;
- w = max(w, ftoi_ceil(uv.x));
- h = max(h, ftoi_ceil(uv.y));
- }
- }
-
- const int face_count = mesh->faceCount();
- output->index_count = face_count * 3;
- output->index_array = new int[face_count * 3];
-
- // -- GODOT start --
- int face_ofs = 0;
- // Set face indices.
- for (int f = 0; f < face_count; f++) {
- uint c = charts->faceChartAt(f);
- uint i = charts->faceIndexWithinChartAt(f);
- uint vertexOffset = charts->vertexCountBeforeChartAt(c);
-
- const Chart * chart = charts->chartAt(c);
- nvDebugCheck(chart->faceAt(i) == f);
-
- if (i >= chart->chartMesh()->faceCount()) {
- printf("WARNING: Faces may be missing in the final vertex, which could not be packed\n");
- continue;
- }
-
- const HalfEdge::Face * face = chart->chartMesh()->faceAt(i);
- const HalfEdge::Edge * edge = face->edge;
-
- //output->index_array[3*f+0] = vertexOffset + edge->vertex->id;
- //output->index_array[3*f+1] = vertexOffset + edge->next->vertex->id;
- //output->index_array[3*f+2] = vertexOffset + edge->next->next->vertex->id;
- output->index_array[3 * face_ofs + 0] = vertexOffset + edge->vertex->id;
- output->index_array[3 * face_ofs + 1] = vertexOffset + edge->next->vertex->id;
- output->index_array[3 * face_ofs + 2] = vertexOffset + edge->next->next->vertex->id;
- face_ofs++;
- }
-
- output->index_count = face_ofs * 3;
- // -- GODOT end --
-
- *error = Atlas_Error_Success;
- output->atlas_width = w;
- output->atlas_height = h;
-
- return output;
-}
-
-
-void Thekla::atlas_set_default_options(Atlas_Options * options) {
- if (options != NULL) {
- // These are the default values we use on The Witness.
-
- options->charter = Atlas_Charter_Default;
- options->charter_options.witness.proxy_fit_metric_weight = 2.0f;
- options->charter_options.witness.roundness_metric_weight = 0.01f;
- options->charter_options.witness.straightness_metric_weight = 6.0f;
- options->charter_options.witness.normal_seam_metric_weight = 4.0f;
- options->charter_options.witness.texture_seam_metric_weight = 0.5f;
- options->charter_options.witness.max_chart_area = FLT_MAX;
- options->charter_options.witness.max_boundary_length = FLT_MAX;
-
- options->mapper = Atlas_Mapper_Default;
-
- options->packer = Atlas_Packer_Default;
- options->packer_options.witness.packing_quality = 0;
- options->packer_options.witness.texel_area = 8;
- options->packer_options.witness.block_align = true;
- options->packer_options.witness.conservative = false;
- }
-}
-
-
-Atlas_Output_Mesh * Thekla::atlas_generate(const Atlas_Input_Mesh * input, const Atlas_Options * options, Atlas_Error * error) {
- // Validate args.
- if (input == NULL || options == NULL || error == NULL) return set_error(error, Atlas_Error_Invalid_Args);
-
- // Validate options.
- if (options->charter != Atlas_Charter_Witness) {
- return set_error(error, Atlas_Error_Invalid_Options);
- }
- if (options->charter == Atlas_Charter_Witness) {
- // @@ Validate input options!
- }
-
- if (options->mapper != Atlas_Mapper_LSCM) {
- return set_error(error, Atlas_Error_Invalid_Options);
- }
- if (options->mapper == Atlas_Mapper_LSCM) {
- // No options.
- }
-
- if (options->packer != Atlas_Packer_Witness) {
- return set_error(error, Atlas_Error_Invalid_Options);
- }
- if (options->packer == Atlas_Packer_Witness) {
- // @@ Validate input options!
- }
-
- // Validate input mesh.
- for (int i = 0; i < input->face_count; i++) {
- int v0 = input->face_array[i].vertex_index[0];
- int v1 = input->face_array[i].vertex_index[1];
- int v2 = input->face_array[i].vertex_index[2];
-
- if (v0 < 0 || v0 >= input->vertex_count ||
- v1 < 0 || v1 >= input->vertex_count ||
- v2 < 0 || v2 >= input->vertex_count)
- {
- return set_error(error, Atlas_Error_Invalid_Mesh);
- }
- }
-
-
- // Build half edge mesh.
- AutoPtr<HalfEdge::Mesh> mesh(new HalfEdge::Mesh);
-
- input_to_mesh(input, mesh.ptr(), error);
-
- if (*error == Atlas_Error_Invalid_Mesh) {
- return NULL;
- }
-
- Atlas atlas;
-
- // Charter.
- if (options->charter == Atlas_Charter_Extract) {
- return set_error(error, Atlas_Error_Not_Implemented);
- }
- else if (options->charter == Atlas_Charter_Witness) {
- SegmentationSettings segmentation_settings;
- segmentation_settings.proxyFitMetricWeight = options->charter_options.witness.proxy_fit_metric_weight;
- segmentation_settings.roundnessMetricWeight = options->charter_options.witness.roundness_metric_weight;
- segmentation_settings.straightnessMetricWeight = options->charter_options.witness.straightness_metric_weight;
- segmentation_settings.normalSeamMetricWeight = options->charter_options.witness.normal_seam_metric_weight;
- segmentation_settings.textureSeamMetricWeight = options->charter_options.witness.texture_seam_metric_weight;
- segmentation_settings.maxChartArea = options->charter_options.witness.max_chart_area;
- segmentation_settings.maxBoundaryLength = options->charter_options.witness.max_boundary_length;
-
- Array<uint> uncharted_materials;
- atlas.computeCharts(mesh.ptr(), segmentation_settings, uncharted_materials);
- }
-
- if (atlas.hasFailed())
- return NULL;
-
- // Mapper.
- if (options->mapper == Atlas_Mapper_LSCM) {
- atlas.parameterizeCharts();
- }
-
- if (atlas.hasFailed())
- return NULL;
-
- // Packer.
- if (options->packer == Atlas_Packer_Witness) {
- int packing_quality = options->packer_options.witness.packing_quality;
- float texel_area = options->packer_options.witness.texel_area;
- int block_align = options->packer_options.witness.block_align;
- int conservative = options->packer_options.witness.conservative;
-
- /*float utilization =*/ atlas.packCharts(packing_quality, texel_area, block_align, conservative);
- }
-
- if (atlas.hasFailed())
- return NULL;
-
-
- // Build output mesh.
- return mesh_atlas_to_output(mesh.ptr(), atlas, error);
-}
-
-
-void Thekla::atlas_free(Atlas_Output_Mesh * output) {
- if (output != NULL) {
- delete [] output->vertex_array;
- delete [] output->index_array;
- delete output;
- }
-}
-
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