Update with experimental mesh optimizer.

Normals being optimized has better quality now.

Test simplify once and then use a slightly less tolerant 
error for the target error.

2 files changed, 3 insertions, 0 deletions

diff --git a/scene/resources/surface_tool.cpp b/scene/resources/surface_tool.cpp
index ff682a40f4..f2143e683d 100644
--- a/scene/resources/surface_tool.cpp
+++ b/scene/resources/surface_tool.cpp
@@ -35,6 +35,7 @@
 
 SurfaceTool::OptimizeVertexCacheFunc SurfaceTool::optimize_vertex_cache_func = nullptr;
 SurfaceTool::SimplifyFunc SurfaceTool::simplify_func = nullptr;
+SurfaceTool::SimplifyWithAttribFunc SurfaceTool::simplify_with_attrib_func = nullptr;
 SurfaceTool::SimplifyScaleFunc SurfaceTool::simplify_scale_func = nullptr;
 SurfaceTool::SimplifySloppyFunc SurfaceTool::simplify_sloppy_func = nullptr;
 
diff --git a/scene/resources/surface_tool.h b/scene/resources/surface_tool.h
index 28addf2245..f5f3a95b14 100644
--- a/scene/resources/surface_tool.h
+++ b/scene/resources/surface_tool.h
@@ -78,6 +78,8 @@ public:
 	static OptimizeVertexCacheFunc optimize_vertex_cache_func;
 	typedef size_t (*SimplifyFunc)(unsigned int *destination, const unsigned int *indices, size_t index_count, const float *vertex_positions, size_t vertex_count, size_t vertex_positions_stride, size_t target_index_count, float target_error, float *r_error);
 	static SimplifyFunc simplify_func;
+	typedef size_t (*SimplifyWithAttribFunc)(unsigned int *destination, const unsigned int *indices, size_t index_count, const float *vertex_data, size_t vertex_count, size_t vertex_stride, size_t target_index_count, float target_error, float *result_error, const float *attributes, const float *attribute_weights, size_t attribute_count);
+	static SimplifyWithAttribFunc simplify_with_attrib_func;
 	typedef float (*SimplifyScaleFunc)(const float *vertex_positions, size_t vertex_count, size_t vertex_positions_stride);
 	static SimplifyScaleFunc simplify_scale_func;
 	typedef size_t (*SimplifySloppyFunc)(unsigned int *destination, const unsigned int *indices, size_t index_count, const float *vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, size_t target_index_count, float target_error, float *out_result_error);