public void DoGenerate()
{
float startTime = Time.realtimeSinceStartup;
bm.create(numX * Const.ChunkSize, numY * Const.ChunkSize, numZ * Const.ChunkSize, new BlockTypeFun());
for (int x = 0; x < bm.SizeX; x++)
{
for (int y = 0; y < bm.SizeY; y++)
{
for (int z = 0; z < bm.SizeZ; z++)
{
//bm.setBlock(x, y, z, (short)(z < y ? Block.BlockTypeEnum.Air : Block.BlockTypeEnum.Sand));
bm.setBlock(x, y, z, (short)(y < 10 || (x == 20 && z > 10 && z <= 15) ? Block.BlockTypeEnum.Sand : Block.BlockTypeEnum.Air));
}
}
}
rtm = new Block.RayCastManager();
rtm.create(numX, numY, numZ);
for (int x = 0; x < bm.SizeX; x++)
{
for (int y = 0; y < bm.SizeY; y++)
{
for (int z = 0; z < bm.SizeZ; z++)
{
rtm.setBlock(x, y, z, bm.getBlock(x, y, z) != 0 ? RayCastBlockType.All : RayCastBlockType.Nothing);
}
}
}
rma = new Block.RayMarchingAo();
rma.Init(rtm);
viewVoxel.SetVexelTex(rma.GetVoxelTexture());
Debug.Log("生成完体素数据，" + (Time.realtimeSinceStartup - startTime));
StartCoroutine(GenerateMesh());
}
void Start()
{
SimpleModelFactory.CreateAll();
texturePacker = new TexturePacker();
Block.BlockManager bm = new Block.BlockManager();
for (int i = 0; i < (int)Game.BlockType.Num; i++)
{
for (int f = 0; f < 6; f++)
{
Game.BlockType block = (Game.BlockType)i;
texturePacker.AddTexture(block, f, TextureNameConfig.GetTextureName(block, f));
}
}
texturePacker.Pack();
packedTexture = texturePacker.GetPackedTexture();
BlockTypeFun blockTypeFun = new BlockTypeFun();
blockTypeFun.texturePacker = texturePacker;
//float startTime = Time.realtimeSinceStartup;
int WorldSizeX = 1;
int WorldSizeY = 1;
int WorldSizeZ = 1;
//申请内存
bm.create(WorldSizeX * Const.ChunkSize, WorldSizeY * Const.ChunkSize, WorldSizeZ * Const.ChunkSize, blockTypeFun);
bm.setBlock(3, 4, 4, (int)Game.BlockType.StairLeft);
bm.setBlock(5, 4, 4, (int)Game.BlockType.StairRight);
bm.setBlock(4, 4, 3, (int)Game.BlockType.StairBack);
bm.setBlock(4, 4, 5, (int)Game.BlockType.StairFront);
//光线追踪初始化
Block.RayCastManager rtm = new Block.RayCastManager();
rtm.create(bm.SizeX, bm.SizeY, bm.SizeZ);
for (int x = 0; x < bm.SizeX; x++)
{
for (int y = 0; y < bm.SizeY; y++)
{
for (int z = 0; z < bm.SizeZ; z++)
{
rtm.setBlock(x, y, z, bm.getBlock(x, y, z) != 0 ? RayCastBlockType.All : RayCastBlockType.Nothing);
}
}
}
//初始化AO计算
rma = new Block.RayMarchingAo();
rma.Init(rtm);
ViewVoxel viewVoxel = GameObject.FindObjectOfType <ViewVoxel>();
if (viewVoxel)
{
Texture3D voxelTex3D = rma.GetVoxelTexture();
viewVoxel.SetVexelTex(voxelTex3D);
}
Material mat = GlobalResources.getBlockMaterial();
mat.mainTexture = texturePacker.GetPackedTexture();
GameObject root = this.gameObject;
if (root == null)
{
root = new GameObject("Root");
}
//创建网格
for (int i = 0; i < WorldSizeX; i++)
{
for (int k = 0; k < WorldSizeZ; k++)
{
for (int j = 0; j < WorldSizeY; j++)
{
Block.BlockChunk chunk = new BlockChunk(bm, i * Const.ChunkSize, j * Const.ChunkSize, k * Const.ChunkSize);
//TerrainTool.calcChunkLight(chunk, i, j, k, rtm, rays, sunDir);
//Mesh mesh = MeshTool.createMesh(chunk, blockTypeFun, 0, 0, 0);
for (int f = 0; f < 6; f++)
{
List <Block.MeshTool.BlockSurface> surface = Block.MeshTool.getChunkSurface(chunk, blockTypeFun, f);
Texture2D texSurface = Block.MeshTool.SurfacePointsToTexture(surface, f);
RenderTexture targetAoResult = rma.RenderByCalcShader(texSurface, new Vector3(i, j, k) * Block.Const.ChunkSize, f);
//回读亮度数据
RenderTexture.active = targetAoResult;
Texture2D readback = new Texture2D(targetAoResult.width, targetAoResult.height);
readback.ReadPixels(new Rect(0, 0, targetAoResult.width, targetAoResult.width), 0, 0);
Block.MeshTool.SetRaytraceAo(surface, readback);
Mesh mesh = Block.MeshTool.createMesh2(surface, f, blockTypeFun);
if (mesh != null)
{
GameObject obj = new GameObject("Chunk", typeof(MeshRenderer), typeof(MeshFilter));
obj.isStatic = true;
obj.GetComponent <Renderer>().material = mat;
obj.GetComponent <MeshFilter>().mesh = mesh;
obj.transform.SetParent(root.transform);
obj.transform.position = new Vector3(i * Block.Const.ChunkSize * Block.Const.BlockSize, j * Block.Const.ChunkSize * Block.Const.BlockSize, k * Block.Const.ChunkSize * Block.Const.BlockSize);
}
}
}
}
}
}