diff options
Diffstat (limited to 'Thronefall_1_57/Decompile/NGS.MeshFusionPro/VertexBufferUtil.cs')
| -rw-r--r-- | Thronefall_1_57/Decompile/NGS.MeshFusionPro/VertexBufferUtil.cs | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/Thronefall_1_57/Decompile/NGS.MeshFusionPro/VertexBufferUtil.cs b/Thronefall_1_57/Decompile/NGS.MeshFusionPro/VertexBufferUtil.cs new file mode 100644 index 0000000..e409ce5 --- /dev/null +++ b/Thronefall_1_57/Decompile/NGS.MeshFusionPro/VertexBufferUtil.cs @@ -0,0 +1,124 @@ +using System.Collections.Generic; +using UnityEngine; +using UnityEngine.Rendering; + +namespace NGS.MeshFusionPro; + +public static class VertexBufferUtil +{ + private static readonly Dictionary<VertexAttribute, VertexAttributeDescriptor> StandardAttributesMap; + + private static readonly VertexAttributeDescriptor[] LightweightAttributesLayout; + + private static List<VertexAttributeDescriptor> _meshAttributes; + + static VertexBufferUtil() + { + LightweightAttributesLayout = new VertexAttributeDescriptor[5] + { + new VertexAttributeDescriptor(VertexAttribute.Position, VertexAttributeFormat.Float32, 3, 0), + new VertexAttributeDescriptor(VertexAttribute.Normal, VertexAttributeFormat.SNorm8, 4), + new VertexAttributeDescriptor(VertexAttribute.Tangent, VertexAttributeFormat.SNorm8, 4), + new VertexAttributeDescriptor(VertexAttribute.TexCoord0, VertexAttributeFormat.Float16, 2), + new VertexAttributeDescriptor(VertexAttribute.TexCoord1, VertexAttributeFormat.Float16, 2) + }; + StandardAttributesMap = new Dictionary<VertexAttribute, VertexAttributeDescriptor> + { + { + VertexAttribute.Position, + new VertexAttributeDescriptor(VertexAttribute.Position, VertexAttributeFormat.Float32, 3, 0) + }, + { + VertexAttribute.Normal, + new VertexAttributeDescriptor(VertexAttribute.Normal) + }, + { + VertexAttribute.Tangent, + new VertexAttributeDescriptor(VertexAttribute.Tangent, VertexAttributeFormat.Float32, 4) + }, + { + VertexAttribute.TexCoord0, + new VertexAttributeDescriptor(VertexAttribute.TexCoord0, VertexAttributeFormat.Float32, 2) + }, + { + VertexAttribute.TexCoord1, + new VertexAttributeDescriptor(VertexAttribute.TexCoord1, VertexAttributeFormat.Float32, 2) + }, + { + VertexAttribute.TexCoord2, + new VertexAttributeDescriptor(VertexAttribute.TexCoord2, VertexAttributeFormat.Float32, 2) + }, + { + VertexAttribute.TexCoord3, + new VertexAttributeDescriptor(VertexAttribute.TexCoord3, VertexAttributeFormat.Float32, 2) + } + }; + _meshAttributes = new List<VertexAttributeDescriptor>(); + } + + public static bool IsStandardBuffer(Mesh mesh) + { + mesh.GetVertexAttributes(_meshAttributes); + for (int i = 0; i < _meshAttributes.Count; i++) + { + VertexAttributeDescriptor vertexAttributeDescriptor = _meshAttributes[i]; + VertexAttributeDescriptor vertexAttributeDescriptor2 = StandardAttributesMap[vertexAttributeDescriptor.attribute]; + if (vertexAttributeDescriptor.format != vertexAttributeDescriptor2.format) + { + return false; + } + if (vertexAttributeDescriptor.dimension != vertexAttributeDescriptor2.dimension) + { + return false; + } + } + return true; + } + + public static bool IsLightweightBuffer(Mesh mesh) + { + mesh.GetVertexAttributes(_meshAttributes); + if (_meshAttributes.Count != LightweightAttributesLayout.Length) + { + return false; + } + for (int i = 0; i < _meshAttributes.Count; i++) + { + VertexAttributeDescriptor vertexAttributeDescriptor = _meshAttributes[i]; + VertexAttributeDescriptor vertexAttributeDescriptor2 = LightweightAttributesLayout[i]; + if (vertexAttributeDescriptor.attribute != vertexAttributeDescriptor2.attribute) + { + return false; + } + if (vertexAttributeDescriptor.format != vertexAttributeDescriptor2.format) + { + return false; + } + if (vertexAttributeDescriptor.dimension != vertexAttributeDescriptor2.dimension) + { + return false; + } + } + return true; + } + + public static void ToStandardBuffer(Mesh mesh) + { + if (!IsStandardBuffer(mesh)) + { + for (int i = 0; i < _meshAttributes.Count; i++) + { + _meshAttributes[i] = StandardAttributesMap[_meshAttributes[i].attribute]; + } + mesh.SetVertexBufferParams(mesh.vertexCount, _meshAttributes.ToArray()); + } + } + + public static void ToLightweightBuffer(Mesh mesh) + { + if (!IsLightweightBuffer(mesh)) + { + mesh.SetVertexBufferParams(mesh.vertexCount, LightweightAttributesLayout); + } + } +} |
