public void Init()
{
Debug.Log("VoxelMesh.Init");
//center = new Vector3(CenterX, CenterY, CenterZ);
blockManager = new BlockManager();
blockManager.create(SpaceX * Const.ChunkSize, SpaceY * Const.ChunkSize, SpaceZ * Const.ChunkSize, new BlockTypeFun());
if (model == null)
{
model = new VoxelModel();
}
else
{
for (int i = 0; i < model.sizeX; i++)
{
for (int j = 0; j < model.sizeY; j++)
{
for (int k = 0; k < model.sizeZ; k++)
{
short b = model.blocks[k * model.sizeX * model.sizeY + j * model.sizeX + i];
if (b != (short)BlockTypeEnum.Air)
{
blockManager.setBlock(i + model.originX, j + model.originY, k + model.originZ, b);
}
}
}
}
}
rtm = new RayCastManager();
rtm.create(blockManager.SizeX, blockManager.SizeY, blockManager.SizeZ);
for (int x = 0; x < SpaceX * Const.ChunkSize; x++)
{
for (int y = 0; y < SpaceY * Const.ChunkSize; y++)
{
for (int z = 0; z < SpaceZ * Const.ChunkSize; z++)
{
rtm.setBlock(x, y, z, blockManager.getBlock(x, y, z) != 0 ? RayCastBlockType.All : RayCastBlockType.Nothing);
}
}
}
bDirty = true;
curOperator = Operator.DeleteBlock;
}
// Update is called once per frame
public void EditorUpdate(Camera cam)
{
//Event e = Event.current;
//if (e.type == EventType.MouseDown) {
// mouseDownPos = e.mousePosition;
// if (e.button == 0) {
// if (curOperator == Operator.AddBlock) {
// if (bShowPreview) {
// int gx = (int)previewBlockPos.x;
// int gy = (int)previewBlockPos.y;
// int gz = (int)previewBlockPos.z;
// blockManager.setBlock(gx, gy, gz, (short)BlockTypeEnum.BT_Sand);
// bDirty = true;
// }
// }
// if (curOperator == Operator.DeleteBlock) {
// if (bShowPreview) {
// int gx = (int)selectedBlockPos.x;
// int gy = (int)selectedBlockPos.y;
// int gz = (int)selectedBlockPos.z;
// blockManager.setBlock(gx, gy, gz, (short)BlockTypeEnum.BT_Air);
// bDirty = true;
// }
// }
// }
//}
//else if (e.type == EventType.mouseMove) {
// if (curOperator == Operator.AddBlock || curOperator == Operator.DeleteBlock) {
// Ray ray = cam.ScreenPointToRay(new Vector3(e.mousePosition.x, cam.pixelHeight - e.mousePosition.y, 0));
// Vector3 startPos = transform.InverseTransformPoint(ray.origin);
// Vector3 dir = transform.InverseTransformDirection(ray.direction);
// RayCastRestult rlt = rtm.rayCast(startPos, dir, 50);
// bShowPreview = rlt.bHit;
// if (rlt.bHit) {
// //Debug.Log(rlt.hitFaceIndex.ToString());
// if (curOperator == Operator.AddBlock) {
// Vector3 hitPos = startPos + dir * (rlt.hitLength + 0.001f);
// float gx = (int)(hitPos.x / Const.BlockSize) + 0.5f;
// float gy = (int)(hitPos.y / Const.BlockSize) + 0.5f;
// float gz = (int)(hitPos.z / Const.BlockSize) + 0.5f;
// selectedBlockPos = new Vector3(gx, gy, gz);
// previewBlockPos = new Vector3(gx, gy, gz) + Const.getFaceNormal(rlt.hitFaceIndex) * Const.BlockSize;
// }
// else if (curOperator == Operator.DeleteBlock) {
// Vector3 hitPos = startPos + dir * (rlt.hitLength + 0.001f);
// float gx = (int)(hitPos.x / Const.BlockSize) + 0.5f;
// float gy = (int)(hitPos.y / Const.BlockSize) + 0.5f;
// float gz = (int)(hitPos.z / Const.BlockSize) + 0.5f;
// selectedBlockPos = new Vector3(gx, gy, gz);
// }
// }
// }
//}
if (bDirty)
{
bDirty = false;
DebugTool.Log("开始更新光线追踪");
rtm.clearAll();
blockManager.forEachBlock((short block, int gx, int gy, int gz) => {
if (block != (short)BlockTypeEnum.Air)
{
rtm.setBlock(gx, gy, gz, RayCastBlockType.All);
}
});
//初始化AO计算
RayMarchingAo rma = new RayMarchingAo();
rma.Init(rtm);
m_meshes.Clear();
DebugTool.Log("开始计算光照");
TerrainTool.calcLight2(blockManager, 32);
DebugTool.Log("开始更新网格");
BlockTypeFun blockTypeFun = new BlockTypeFun();
for (int i = 0; i < SpaceX; i++)
{
for (int k = 0; k < SpaceZ; k++)
{
for (int j = 0; j < SpaceY; j++)
{
BlockChunk chunk = new BlockChunk(blockManager, i * Const.ChunkSize, j * Const.ChunkSize, k * Const.ChunkSize);
for (int f = 0; f < 6; f++)
{
List <MeshTool.BlockSurface> surface = MeshTool.getChunkSurface(chunk, blockTypeFun, f);
Texture2D texSurface = MeshTool.SurfacePointsToTexture(surface, f);
RenderTexture targetAoResult = rma.RenderByCalcShader(texSurface, new Vector3(i, j, k) * 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);
MeshTool.SetRaytraceAo(surface, readback);
Mesh mesh = MeshTool.createMesh2(surface, f, blockTypeFun);
if (mesh)
{
Vector3 pos = ((new Vector3(i, j, k))) * Const.ChunkSize;
m_meshes.Add(new MeshInfo(mesh, pos));
}
}
}
}
}
DebugTool.Log("结束");
}
}
public void Init(Camera cam, EditorCommandManager commandManager)
{
//计算格子
List <Vector3> tempLines = new List <Vector3>();
for (int i = 0; i <= SpaceX * Const.ChunkSize; i++)
{
tempLines.Add(new Vector3(i, halfSpaceSize.y, 0) - halfSpaceSize);
tempLines.Add(new Vector3(i, halfSpaceSize.y, SpaceY * Const.ChunkSize) - halfSpaceSize);
}
for (int j = 0; j <= SpaceY * Const.ChunkSize; j++)
{
tempLines.Add(new Vector3(0, halfSpaceSize.y, j) - halfSpaceSize);
tempLines.Add(new Vector3(SpaceX * Const.ChunkSize, halfSpaceSize.y, j) - halfSpaceSize);
}
gridLines = tempLines.ToArray();
//预处理光线
rays = new Vector3[6][];
{
for (int i = 0; i < 6; i++)
{
rays[i] = TerrainTool.getRandomRays(9, i);
}
}
DebugTool.Log("预处理光线追踪");
camera = cam;
this.commandManager = commandManager;
blockManager = new BlockManager();
blockManager.create(SpaceX * Const.ChunkSize, SpaceY * Const.ChunkSize, SpaceZ * Const.ChunkSize, new BlockTypeFun());
//blockManager.forEachChunk((BlockChunk chunk, int i, int j, int k) => {
// for (int x = 0; x < Const.ChunkSize; x++) {
// for (int y = 0; y < Const.ChunkSize; y++) {
// for (int z = 0; z < Const.ChunkSize; z++) {
// int gx = i * Const.ChunkSize + x;
// int gy = j * Const.ChunkSize + y;
// int gz = k * Const.ChunkSize + z;
// if ((new Vector3(gx, gy, gz) - new Vector3(SpaceX / 2.0f, SpaceY / 2.0f, SpaceZ / 2.0f) * Const.ChunkSize).magnitude < 10) {
// chunk.setBlock(x, y, z, (int)BlockTypeEnum.Sand);
// }
// }
// }
// }
//});
rtm = new RayCastManager();
rtm.create(blockManager.SizeX, blockManager.SizeY, blockManager.SizeZ);
//rtm.moveTo(0, 0, 0, (int gx, int gy, int gz) => {
// return blockManager.getBlock(gx, gy, gz) != 0 ? RayCastBlockType.All : RayCastBlockType.Nothing;
//});
for (int x = 0; x < SpaceX * Const.ChunkSize; x++)
{
for (int y = 0; y < SpaceY * Const.ChunkSize; y++)
{
for (int z = 0; z < SpaceZ * Const.ChunkSize; z++)
{
rtm.setBlock(x, y, z, blockManager.getBlock(x, y, z) != 0 ? RayCastBlockType.All : RayCastBlockType.Nothing);
}
}
}
bDirty = true;
previewMesh = GLRender.createCubeMesh(0.5f, Color.white);
}
IEnumerator InitWorld()
{
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 = 8;
int WorldSizeY = 2;
int WorldSizeZ = 8;
//申请内存
bm.create(WorldSizeX * Const.ChunkSize, WorldSizeY * Const.ChunkSize, WorldSizeZ * Const.ChunkSize, blockTypeFun);
DebugTool.Log("申请内存");
yield return(null);
//
TerrainTool.createTerrain(bm, WorldSizeX, WorldSizeY, WorldSizeZ);
DebugTool.Log("创建地形");
yield return(null);
TerrainTool.createTree(bm, WorldSizeX, WorldSizeY, WorldSizeZ);
DebugTool.Log("创建树");
yield return(null);
List <HouseItem> houseItems = new List <HouseItem>();
TerrainTool.createBuildings(bm, ref houseItems);
DebugTool.Log("创建建筑完成");
yield return(null);
//光线追踪初始化
RayCastManager rtm = new RayCastManager();
rtm.create(bm.SizeX, bm.SizeY, bm.SizeZ);
for (int x = 0; x < rtm.getSizeX(); x++)
{
for (int z = 0; z < rtm.getSizeZ(); z++)
{
for (int y = 0; y < rtm.getSizeY(); y++)
{
short block = bm.getBlock(x, y, z);
RayCastBlockType rlt = 0;
rlt |= blockTypeFun.isCollider(block) ? RayCastBlockType.Collider : RayCastBlockType.Nothing;
rlt |= blockTypeFun.isOpacity(block) ? RayCastBlockType.Opacity : RayCastBlockType.Nothing;
rtm.setBlock(x, y, z, rlt);
}
rtm.updateInSun(x, z);
}
}
//预处理光线
Vector3[][] rays = new Vector3[6][];
{
for (int i = 0; i < 6; i++)
{
rays[i] = TerrainTool.getRandomRays(9, i);
}
}
DebugTool.Log("预处理光线追踪完成");
yield return(null);
rtm.updateAllLight();
DebugTool.Log("扩散光照计算完毕");
yield return(null);
//int[] lightCount = new int[Const.MaxLightIteration + 1];
//for (int i = 0; i < WorldSizeX * Const.ChunkSize; i++) {
// for (int k = 0; k < WorldSizeZ * Const.ChunkSize; k++) {
// for (int j = 0; j < WorldSizeY * Const.ChunkSize; j++) {
// lightCount[rtm.getLight(i, j, k)]++;
// }
// }
//}
//for (int i = 0; i < lightCount.Length; i++) {
// Debug.Log("light (" + i + ") = " + lightCount[i]);
//}
Texture2D lightMap = new Texture2D(256, 256, TextureFormat.RGBAHalf, false);
Color[] colors = new Color[256 * 256];
for (int i = 0; i < 256; i++)
{
for (int j = 0; j < 256; j++)
{
colors[j * 256 + i] = new Color(i / 256.0f, i / 256.0f, i / 256.0f, 1) * 2;
}
}
lightMap.SetPixels(colors);
lightMap.Apply();
LightmapData[] lightmaps = new LightmapData[1];
lightmaps[0] = new LightmapData();
lightmaps[0].lightmapFar = lightMap;
lightmaps[0].lightmapNear = lightMap;
LightmapSettings.lightmaps = lightmaps;
GameObject itemsRoot = new GameObject("items");
for (int i = 0; i < houseItems.Count; i++)
{
HouseItem item = houseItems[i];
string path = HouseItemGenerator.GetItemPrefabPath(item.item);
GameObject prefab = GlobalResources.loadPrefab(path);
if (prefab != null)
{
GameObject inst = GameObject.Instantiate <GameObject>(prefab);
inst.name = houseItems[i].item.ToString();
inst.transform.parent = itemsRoot.transform;
inst.transform.position = houseItems[i].pos + new Vector3(0.5f, 0f, 0.5f);
MeshRenderer renderer = inst.GetComponentInChildren <MeshRenderer>();
renderer.lightmapIndex = 0;
inst.isStatic = true;
float light = rtm.getLight(item.pos.x, item.pos.y, item.pos.z) / (float)Const.MaxLightIteration;
light = Mathf.Lerp(0.0f, 0.6f, light);
renderer.lightmapScaleOffset = new Vector4(0, 0, light, 0f);
//MeshFilter meshFilter = inst.GetComponentInChildren<MeshFilter>();
//Mesh mesh = meshFilter.mesh;
//Color32[] colors = new Color32[mesh.colors.Length];
//byte c = (byte)(rtm.getLight(item.pos.x, item.pos.y, item.pos.z) * 255);
//ArrayTool.SetAll(colors, new Color32(c,c,c,1));
//mesh.colors32 = colors;
}
else
{
int a = 0;
}
}
//初始化AO计算
rma = new RayMarchingAo();
rma.Init(rtm);
//ViewVoxel viewVoxel = GameObject.FindObjectOfType<ViewVoxel>();
//if (viewVoxel) {
// Texture3D voxelTex3D = rma.GetVoxelTexture();
// //OpenGLLibrary.glEnable(OpenGL.GL_TEXTURE_3D);
// //OpenGLLibrary.glBindTexture(OpenGL.GL_TEXTURE_3D, voxelTex3D.GetNativeTexturePtr());
// //byte[] data = new byte[voxelTex3D.width * voxelTex3D.height * voxelTex3D.depth * 4];
// //for (int i = 0; i < data.Length; i++ ){
// // data[i] = 0x56;
// //}
// //OpenGL.TexSubImage3D(OpenGL.GL_TEXTURE_3D, 0, 0, 0, 0, 32, 32, 32, OpenGL.GL_RGBA, OpenGL.GL_UNSIGNED_BYTE, ref data);
// //OpenGL.TextureSubImage3D(voxelTex3D, 0, 0, 0, 0, 1, 1, 1, OpenGL.GL_RED, OpenGL.GL_UNSIGNED_BYTE, ref data);
// viewVoxel.SetVexelTex(voxelTex3D);
//}
//计算光照
Vector3 sunDir = new Vector3(1, -3, 1);
sunDir.Normalize();
{
//TerrainTool.calcLight(bm, rtm, rays, sunDir);
//TerrainTool.calcLight2(bm,32);
}
DebugTool.Log("计算光照完成");
yield return(null);
Material mat = GlobalResources.getBlockMaterial();
mat.mainTexture = texturePacker.GetPackedTexture();
GameObject root = GameObject.Find("Root");
if (root == null)
{
root = new GameObject("Root");
}
Level level = GameObject.FindObjectOfType <Level>();
if (level)
{
level.scene = rtm;
}
//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++)
{
int baseX = i * Const.ChunkSize;
int baseY = j * Const.ChunkSize;
int baseZ = k * Const.ChunkSize;
BlockChunk chunk = new BlockChunk(bm, baseX, baseY, baseZ);
Vector3 chunkPos = new Vector3(i * Const.ChunkSize * Const.BlockSize, j * Const.ChunkSize * Const.BlockSize, k * Const.ChunkSize * Const.BlockSize);
//bool[,,] visibleBlocks = new bool[Const.ChunkSize,Const.ChunkSize,Const.ChunkSize];// = MeshTool.GetVisibleBlocks(chunk, blockTypeFun);
//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 <MeshTool.BlockSurface> surface = MeshTool.getChunkSurface(chunk, blockTypeFun, f);
//for (int s = 0; s < surface.Count; s++) {
// visibleBlocks[surface[s].pos.x, surface[s].pos.y, surface[s].pos.z] = true;
//}
Texture2D texSurface = MeshTool.SurfacePointsToTexture(surface, f);
RenderTexture targetAoResult = rma.RenderByCalcShader(texSurface, new Vector3(i, j, k) * 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);
MeshTool.SetRaytraceAo(surface, readback);
MeshTool.SetExtendAo(surface, rtm, f, new VecInt3(i * Const.ChunkSize, j * Const.ChunkSize, k * Const.ChunkSize));
//将可行走区域标记黑色
//if (f == (int)BlockFaceIndex.BFI_y1) {
// for (int s = 0; s < surface.Count; s++) {
// int gx = baseX + surface[s].pos.x;
// int gy = baseY + surface[s].pos.y;
// int gz = baseZ + surface[s].pos.z;
// if (rtm.testBlock(gx, gy, gz, (byte)RayTraceBlockType.Walkable)) {
// for (int v = 0; v < 4; v++) {
// surface[s].raytraceAo[v] *= 0.1f;
// }
// }
// }
//}
Mesh mesh = 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 = chunkPos;
}
}
//physics.AddChunk(visibleBlocks, chunkPos);
yield return(null);
}
}
}
StaticBatchingUtility.Combine(root);
StaticBatchingUtility.Combine(itemsRoot);
DebugTool.Log("生成网格");
yield return(null);
}
public void Update()
{
if (bDirty)
{
bDirty = false;
bNeedReselectPreview = true;
DebugTool.Log("开始更新射线模块");
rtm.clearAll();
blockManager.forEachBlock((short block, int gx, int gy, int gz) => {
if (block != (short)BlockTypeEnum.Air)
{
rtm.setBlock(gx, gy, gz, RayCastBlockType.All);
}
});
//初始化AO计算
RayMarchingAo rma = new RayMarchingAo();
rma.Init(rtm);
foreach (var obj in objects)
{
GameObject.Destroy(obj);
}
objects.Clear();
//m_meshes.Clear();
DebugTool.Log("开始计算光照");
{
//计算光照
Vector3 sunDir = new Vector3(1, -3, 1);
sunDir.Normalize();
TerrainTool.calcLight(blockManager, rtm, rays, sunDir);
}
BlockTypeFun blockTypeFun = new BlockTypeFun();
//TerrainTool.calcLight2(blockManager, 16);
DebugTool.Log("开始更新网格");
for (int i = 0; i < SpaceX; i++)
{
for (int k = 0; k < SpaceZ; k++)
{
for (int j = 0; j < SpaceY; j++)
{
BlockChunk chunk = new BlockChunk(blockManager, i * Const.ChunkSize, j * Const.ChunkSize, k * Const.ChunkSize);
for (int f = 0; f < 6; f++)
{
List <MeshTool.BlockSurface> surface = MeshTool.getChunkSurface(chunk, blockTypeFun, f);
Texture2D texSurface = MeshTool.SurfacePointsToTexture(surface, f);
Texture2D readback = null;
if (surface.Count > 0)
{
RenderTexture targetAoResult = rma.RenderByCalcShader(texSurface, new Vector3(i, j, k) * Const.ChunkSize, f);
//回读亮度数据
RenderTexture.active = targetAoResult;
readback = new Texture2D(targetAoResult.width, targetAoResult.height);
readback.ReadPixels(new Rect(0, 0, targetAoResult.width, targetAoResult.width), 0, 0);
MeshTool.SetRaytraceAo(surface, readback);
}
Mesh mesh = MeshTool.createMesh2(surface, f, blockTypeFun);
if (mesh)
{
Vector3 pos = ((new Vector3(i, j, k))) * Const.ChunkSize - halfSpaceSize;
if (mesh != null)
{
GameObject obj = new GameObject("Chunk", typeof(MeshRenderer), typeof(MeshFilter));
obj.isStatic = true;
obj.GetComponent <Renderer>().material = GlobalResources.getBlockMaterial();
obj.GetComponent <MeshFilter>().mesh = mesh;
obj.transform.position = pos;
objects.Add(obj);
}
}
}
}
}
}
DebugTool.Log("结束");
}
}