Relintai/mesh_utils
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Added more parameters to uv_unwrap. Also changed fixWinding from true to false with a comment.

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Relintai 2021-09-29 11:10:49 +02:00
parent 9c450d98a0
commit 17d65e03d3
2 changed files with 10 additions and 9 deletions
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17
mesh_utils.cpp
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@ -463,9 +463,7 @@ Array MeshUtils::remove_doubles_interpolate_normals(Array arr) const {
return retarr;
}
PoolVector2Array MeshUtils::uv_unwrap(Array arrays) const {
float p_texel_size = 0.05;
PoolVector2Array MeshUtils::uv_unwrap(Array arrays, bool p_block_align, float p_texel_size, int p_padding, int p_max_chart_size) const {
LocalVector<float> vertices;
LocalVector<float> normals;
LocalVector<int> indices;
@ -546,12 +544,15 @@ PoolVector2Array MeshUtils::uv_unwrap(Array arrays) const {
input_mesh.vertexUvStride = 0;
xatlas_mu::ChartOptions chart_options;
chart_options.fixWinding = true;
//not sure whether this is better off as true or false, since I don't copy back the indices
//I'm leaving it on off for now
//TODO if the generated uvs have weird problems try to set this to true
chart_options.fixWinding = false;
xatlas_mu::PackOptions pack_options;
pack_options.padding = 1;
pack_options.maxChartSize = 4094; // Lightmap atlassing needs 2 for padding between meshes, so 4096-2
pack_options.blockAlign = true;
pack_options.padding = p_padding;
pack_options.maxChartSize = p_max_chart_size; // Lightmap atlassing needs 2 for padding between meshes, so 4096-2
pack_options.blockAlign = p_block_align;
pack_options.texelsPerUnit = 1.0 / p_texel_size;
xatlas_mu::Atlas *atlas = xatlas_mu::Create();
@ -604,7 +605,7 @@ void MeshUtils::_bind_methods() {
ClassDB::bind_method(D_METHOD("remove_doubles", "arr"), &MeshUtils::remove_doubles);
ClassDB::bind_method(D_METHOD("remove_doubles_interpolate_normals", "arr"), &MeshUtils::remove_doubles_interpolate_normals);
ClassDB::bind_method(D_METHOD("uv_unwrap", "arr"), &MeshUtils::uv_unwrap);
ClassDB::bind_method(D_METHOD("uv_unwrap", "arr", "block_align", "texel_size", "padding", "max_chart_size"), &MeshUtils::uv_unwrap, true, 0.05, 1, 4094);
}
#if GODOT4

2
mesh_utils.h
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@ -54,7 +54,7 @@ public:
Array remove_doubles_interpolate_normals(Array arr) const;
//Only unwraps, does not create new seams
PoolVector2Array uv_unwrap(Array arr) const;
PoolVector2Array uv_unwrap(Array arr, bool p_block_align = true, float p_texel_size = 0.05, int p_padding = 1, int p_max_chart_size = 4094) const;
MeshUtils();
~MeshUtils();