TresAbhi/blitzkit
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tresabhi committed 2026-06-09 14:00:24 -05:00
1 parent 14a2658a83
commit 965acadc3f
3 files changed
+116 -80
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packages/game/Models/MonoGltf.cs
+65 -62
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@@ -41,88 +41,91 @@ public class MonoGltf
};
readonly byte[] stubBytes = File.ReadAllBytes("../game/stub/small.png");
public MonoGltf(UStaticMesh staticMesh)
public MonoGltf(List<UStaticMesh> meshes)
{
var options = new ExporterOptions() { TextureFormat = ETextureFormat.Jpeg };
staticMesh.TryConvert(out var convertedMesh);
var lod0 =
convertedMesh.LODs.Find(lod => !lod.SkipLod) ?? throw new Exception("Failed to find lod0");
var emptyMaterial = new MaterialBuilder("empty_material");
var materialMap = new Dictionary<string, MaterialBuilder>();
int sectionIndex = 0;
foreach (var section in lod0.Sections.Value)
foreach (var mesh in meshes)
{
var meshBuilder = new ConfiguredMeshBuilder();
MaterialBuilder materialBuilder;
mesh.TryConvert(out var converted);
var lod0 =
converted.LODs.Find(lod => !lod.SkipLod) ?? throw new Exception("Failed to find lod0");
if (section.Material == null || section.MaterialName == null)
{
materialBuilder = emptyMaterial;
}
else if (materialMap.TryGetValue(section.MaterialName, out MaterialBuilder? value))
{
materialBuilder = value;
}
else
{
var materialInterface = section.Material.Load<UMaterialInterface>()!;
var materialData = new MaterialData() { Parameters = new() };
var emptyMaterial = new MaterialBuilder("empty_material");
var materialMap = new Dictionary<string, MaterialBuilder>();
materialInterface.GetParams(materialData.Parameters, options.MaterialFormat);
materialBuilder = new();
materialMap.Add(section.MaterialName, materialBuilder);
int sectionIndex = 0;
foreach (var section in lod0.Sections.Value)
{
var meshBuilder = new ConfiguredMeshBuilder();
MaterialBuilder materialBuilder;
foreach (var parameterTexture in materialData.Parameters.Textures)
if (section.Material == null || section.MaterialName == null)
{
if (knownChannels.TryGetValue(parameterTexture.Key, out var channel))
materialBuilder = emptyMaterial;
}
else if (materialMap.TryGetValue(section.MaterialName, out MaterialBuilder? value))
{
materialBuilder = value;
}
else
{
var materialInterface = section.Material.Load<UMaterialInterface>()!;
var materialData = new MaterialData() { Parameters = new() };
materialInterface.GetParams(materialData.Parameters, options.MaterialFormat);
materialBuilder = new();
materialMap.Add(section.MaterialName, materialBuilder);
foreach (var parameterTexture in materialData.Parameters.Textures)
{
var texture = parameterTexture.Value;
var name = Path.GetFileNameWithoutExtension(texture.GetPathName());
var path = $"../../../textures/{name}.webp";
if (knownChannels.TryGetValue(parameterTexture.Key, out var channel))
{
var texture = parameterTexture.Value;
var name = Path.GetFileNameWithoutExtension(texture.GetPathName());
var path = $"../../../textures/{name}.webp";
var lastIndex = stubBytes.Length - 1;
stubBytes[lastIndex] = (byte)(++stubBytes[lastIndex] % 255);
var uniqueBytes = (byte[])stubBytes.Clone();
var stubImage = new MemoryImage(uniqueBytes);
var lastIndex = stubBytes.Length - 1;
stubBytes[lastIndex] = (byte)(++stubBytes[lastIndex] % 255);
var uniqueBytes = (byte[])stubBytes.Clone();
var stubImage = new MemoryImage(uniqueBytes);
// Console.WriteLine(
// $"created stub image {stubImage} @ {stubImage.SourcePath} w/ byte {uniqueBytes[lastIndex]}"
// );
// Console.WriteLine(
// $"created stub image {stubImage} @ {stubImage.SourcePath} w/ byte {uniqueBytes[lastIndex]}"
// );
materialBuilder.WithChannelImage(channel, stubImage);
materialBuilder.GetChannel(channel).Texture.PrimaryImage.Name = path;
}
else
{
// Console.WriteLine($"Unsupported texture type: {parameterTexture.Key}");
materialBuilder.WithChannelImage(channel, stubImage);
materialBuilder.GetChannel(channel).Texture.PrimaryImage.Name = path;
}
else
{
// Console.WriteLine($"Unsupported texture type: {parameterTexture.Key}");
}
}
}
}
var primitive = meshBuilder.UsePrimitive(materialBuilder);
var primitive = meshBuilder.UsePrimitive(materialBuilder);
for (int faceIndex = 0; faceIndex < section.NumFaces; faceIndex++)
{
var wedgeIndex = new int[3];
for (var k = 0; k < wedgeIndex.Length; k++)
for (int faceIndex = 0; faceIndex < section.NumFaces; faceIndex++)
{
wedgeIndex[k] = (int)lod0.Indices.Value[section.FirstIndex + faceIndex * 3 + k];
var wedgeIndex = new int[3];
for (var k = 0; k < wedgeIndex.Length; k++)
{
wedgeIndex[k] = (int)lod0.Indices.Value[section.FirstIndex + faceIndex * 3 + k];
}
var vertex1 = lod0.Verts[wedgeIndex[0]];
var vertex2 = lod0.Verts[wedgeIndex[1]];
var vertex3 = lod0.Verts[wedgeIndex[2]];
var (v1, v2, v3) = PrepareTris(vertex1, vertex2, vertex3);
var (c1, c2, c3) = PrepareUVsAndTexCoords(lod0, vertex1, vertex2, vertex3, wedgeIndex);
primitive.AddTriangle((v1, c1), (v2, c2), (v3, c3));
}
var vertex1 = lod0.Verts[wedgeIndex[0]];
var vertex2 = lod0.Verts[wedgeIndex[1]];
var vertex3 = lod0.Verts[wedgeIndex[2]];
var (v1, v2, v3) = PrepareTris(vertex1, vertex2, vertex3);
var (c1, c2, c3) = PrepareUVsAndTexCoords(lod0, vertex1, vertex2, vertex3, wedgeIndex);
primitive.AddTriangle((v1, c1), (v2, c2), (v3, c3));
scene.AddRigidMesh(meshBuilder, Matrix4x4.Identity);
}
scene.AddRigidMesh(meshBuilder, Matrix4x4.Identity);
}
}