using UnityEngine;
using UnityEngine.Rendering;

namespace NGS.MeshFusionPro;

public struct MeshCombineInfo
{
	public Mesh mesh;

	public Matrix4x4 transformMatrix;

	public Vector4 lightmapScaleOffset;

	public Vector4 realtimeLightmapScaleOffset;

	public int submeshIndex;

	public readonly int vertexCount;

	public readonly int trianglesCount;

	public MeshCombineInfo(Mesh mesh, int submeshIndex = 0)
		: this(mesh, Matrix4x4.identity, submeshIndex)
	{
	}

	public MeshCombineInfo(Mesh mesh, Matrix4x4 transformMatrix, int submeshIndex = 0)
		: this(mesh, transformMatrix, new Vector4(1f, 1f, 0f, 0f), new Vector4(1f, 1f, 0f, 0f), submeshIndex)
	{
	}

	public MeshCombineInfo(Mesh mesh, Matrix4x4 transformMatrix, Vector4 lightmapScaleOffset, Vector4 realtimeLightmapScaleOffset, int submeshIndex = 0)
	{
		this.mesh = mesh;
		this.transformMatrix = transformMatrix;
		this.lightmapScaleOffset = lightmapScaleOffset;
		this.realtimeLightmapScaleOffset = realtimeLightmapScaleOffset;
		this.submeshIndex = submeshIndex;
		SubMeshDescriptor subMesh = mesh.GetSubMesh(submeshIndex);
		vertexCount = subMesh.vertexCount;
		trianglesCount = subMesh.indexCount;
	}
}