// Remove Chunk from world, given Chunk Position
public void AddChunkToRemoveList(Int3 _chunkPos)
{
this.chunksToRemove.Add(_chunkPos);
//Debug.Log($@"{GameManager.time}: Added Chunk to remove list: C_{chunkPos.x}_{chunkPos.y}_{chunkPos.z}");
//Logger.Log($@"{GameManager.time}: Added Chunk to remove list: C_{chunkPos.x}_{chunkPos.y}_{chunkPos.z}");
}
// Chunk Creation / Generation / Update / Degeneration Loop
private void UpdateChunks()
{
// If starting zone is initialized and player doesn't already exist, try instantiating player
if (this.starterChunksInitialized && !GameManager.PlayerLoaded())
{
Int3 PlayerStartPos = this.GetPlayerStartPosition(this.WorldStartPos);
Int3 PlayerStartChunkPos = PlayerStartPos;
PlayerStartChunkPos.WorldCoordsToChunkCoords();
Chunk chunk = this.GetChunk(PlayerStartChunkPos);
GameObject go = chunk.GO;
GameManager.Instance.StartPlayer(PlayerStartPos.GetVec3(), go);
}
// After initial chunk generation and player loaded into world, continuously generate Chunks around player and degenerate Chunks too far away
if (this.starterChunksInitialized && GameManager.PlayerLoaded())
{
// Get current player position
Int3 currentPlayerPos = new Int3(GameManager.Instance.PlayerPos);
// Iterate through Loaded Chunks and Degenerate if they are too far from current player position
foreach (KeyValuePair <Int3, Chunk> chunk in this.loadedChunks)
{
Int3 chunkPos = chunk.Value.Pos;
chunkPos.ChunkCoordsToWorldCoords();
if (Vector3.Distance(chunkPos.GetVec3(), currentPlayerPos.GetVec3()) >= (renderDistance * this.distanceToDegenerateMultiplier * Chunk.ChunkSize))
{
if (!this.chunksToRemove.Contains(chunk.Key))
{
chunk.Value.Degenerate();
}
}
}
// Remove degenerated Chunks from loaded Chunks list
this.RemoveChunks();
// Continuously generate Chunks around player
for (int x = -RenderDistanceFirstPass; x < RenderDistanceFirstPass; x++)
{
for (int y = -RenderDistanceFirstPass; y < RenderDistanceFirstPass; y++)
{
for (int z = -RenderDistanceFirstPass; z < RenderDistanceFirstPass; z++)
{
Int3 xyz = new Int3(0, 0, 0);
xyz.SetPos(x, y, z);
Int3 newChunkPos = currentPlayerPos;
newChunkPos += xyz * Chunk.ChunkSize;
newChunkPos.WorldCoordsToChunkCoords();
// If currently pointed to Chunk hasn't already been added to World
if (!this.ChunkExists(newChunkPos))
{
// If save file exists for Chunk, read chunk data from file and add Chunk to World
if (System.IO.File.Exists(FileManager.GetChunkString(newChunkPos)))
{
try
{
Chunk chunk = new Chunk(newChunkPos, Serializer.DeserializeFromFile <int[, , ]>(FileManager.GetChunkString(newChunkPos)));
this.loadedChunks.Add(newChunkPos, chunk);
}
catch (Exception e)
{
Debug.Log(e.ToString());
Logger.Log(e);
}
}
// If no save file for chunk, generate new Chunk and add to World
else
{
Chunk chunk = new Chunk(newChunkPos);
this.loadedChunks.Add(newChunkPos, chunk);
}
}
}
}
}
// Generate blocks for all loaded Chunks
foreach (KeyValuePair <Int3, Chunk> chunk in this.loadedChunks)
{
TaskFactory.StartNew(() => chunk.Value.Start());
}
// Generate meshes for all loaded Chunks
foreach (KeyValuePair <Int3, Chunk> chunk in this.loadedChunks)
{
Int3 chunkPos = chunk.Value.Pos;
chunkPos.ChunkCoordsToWorldCoords();
if (Vector3.Distance(chunkPos.GetVec3(), currentPlayerPos.GetVec3()) <= (renderDistance * Chunk.ChunkSize))
{
if (this.ChunkExists(chunk.Value.NegXNeighbor) && this.ChunkExists(chunk.Value.PosXNeighbor) &&
this.ChunkExists(chunk.Value.NegYNeighbor) && this.ChunkExists(chunk.Value.PosYNeighbor) &&
this.ChunkExists(chunk.Value.NegZNeighbor) && this.ChunkExists(chunk.Value.PosZNeighbor))
{
// Before update, if Chunk has been set that its neighbors need to update, tell those neighbors they need to update
// Neighbors will need to update meshes if a block is changed at the intersection of chunks to avoid holes between chunks
if (chunk.Value.NeedToUpdateNegXNeighbor)
{
this.GetChunk(chunk.Value.NegXNeighbor).NeedToUpdate = true;
chunk.Value.NeedToUpdateNegXNeighbor = false;
}
if (chunk.Value.NeedToUpdatePosXNeighbor)
{
this.GetChunk(chunk.Value.PosXNeighbor).NeedToUpdate = true;
chunk.Value.NeedToUpdatePosXNeighbor = false;
}
if (chunk.Value.NeedToUpdateNegYNeighbor)
{
this.GetChunk(chunk.Value.NegYNeighbor).NeedToUpdate = true;
chunk.Value.NeedToUpdateNegYNeighbor = false;
}
if (chunk.Value.NeedToUpdatePosYNeighbor)
{
this.GetChunk(chunk.Value.PosYNeighbor).NeedToUpdate = true;
chunk.Value.NeedToUpdatePosYNeighbor = false;
}
if (chunk.Value.NeedToUpdateNegZNeighbor)
{
this.GetChunk(chunk.Value.NegZNeighbor).NeedToUpdate = true;
chunk.Value.NeedToUpdateNegZNeighbor = false;
}
if (chunk.Value.NeedToUpdatePosZNeighbor)
{
this.GetChunk(chunk.Value.PosZNeighbor).NeedToUpdate = true;
chunk.Value.NeedToUpdateNegZNeighbor = false;
}
TaskFactory.StartNew(() => chunk.Value.Update());
}
}
}
foreach (KeyValuePair <Int3, Chunk> chunk in this.loadedChunks)
{
GameManager.Instance.RegisterDelegate(new Action(() => chunk.Value.OnUnityUpdate()));
}
}
}
// Create Mesh for Cube, given Chunk Internal Coords as int(x,y,z), Block 3D Array blocks, Block block, UVMaps as Vector2 Arrays, and Chunk Coords as int(PosX, PosY, PosZ)
// Draw Grass Block
public static MeshData DrawCube(int _x, int _y, int _z, Block[,,] _blocks, Block _block, Block.BlockFaceStyle _style, Vector2[] _uvMap0, Vector2[] _uvMap1, Vector2[] _uvMap2, Vector2[] _uvMap3, Vector2[] _uvMap4, Vector2[] _uvMap5, Int3 _chunkPos)
{
MeshData data = new MeshData();
Int3 pos = new Int3(_x, _y, _z);
pos.ChunkInternalCoordsToWorldCoords(_chunkPos);
// Bottom Face
bool bottomVis = CheckVis(_x, _y, _z, pos, _blocks, Side.Bottom);
bool topVis = CheckVis(_x, _y, _z, pos, _blocks, Side.Top);
bool frontVis = CheckVis(_x, _y, _z, pos, _blocks, Side.Front);
bool backVis = CheckVis(_x, _y, _z, pos, _blocks, Side.Back);
bool leftVis = CheckVis(_x, _y, _z, pos, _blocks, Side.Left);
bool rightVis = CheckVis(_x, _y, _z, pos, _blocks, Side.Right);
if (bottomVis)
{
if (_style == Block.BlockFaceStyle.GrassStyle)
{
data.Merge(new MeshData(
bottomFaceVerts,
bottomFaceDrawOrder,
new Vector2[]
{
_uvMap3[0],
_uvMap3[1],
_uvMap3[2],
_uvMap3[3]
}));
}
else if (_style == Block.BlockFaceStyle.LogStyle)
{
data.Merge(new MeshData(
bottomFaceVerts,
bottomFaceDrawOrder,
new Vector2[]
{
_uvMap0[0],
_uvMap0[1],
_uvMap0[2],
_uvMap0[3]
}));
}
else if (_style == Block.BlockFaceStyle.UniversalStyle)
{
data.Merge(new MeshData(
bottomFaceVerts,
bottomFaceDrawOrder,
new Vector2[]
{
_uvMap0[0],
_uvMap0[1],
_uvMap0[2],
_uvMap0[3]
}));
}
}
// Top Face
if (topVis)
{
if (_style == Block.BlockFaceStyle.GrassStyle)
{
data.Merge(new MeshData(
topFaceVerts,
topFaceDrawOrder,
new Vector2[]
{
_uvMap0[0],
_uvMap0[1],
_uvMap0[2],
_uvMap0[3]
}));
}
else if (_style == Block.BlockFaceStyle.LogStyle)
{
data.Merge(new MeshData(
topFaceVerts,
topFaceDrawOrder,
new Vector2[]
{
_uvMap0[0],
_uvMap0[1],
_uvMap0[2],
_uvMap0[3]
}));
}
else if (_style == Block.BlockFaceStyle.UniversalStyle)
{
data.Merge(new MeshData(
topFaceVerts,
topFaceDrawOrder,
new Vector2[]
{
_uvMap0[0],
_uvMap0[1],
_uvMap0[2],
_uvMap0[3]
}));
}
}
// Front Face
if (frontVis)
{
if (_style == Block.BlockFaceStyle.GrassStyle)
{
if (topVis)
{
data.Merge(new MeshData(
frontFaceVerts,
frontFaceDrawOrder,
new Vector2[]
{
_uvMap1[2],
_uvMap1[0],
_uvMap1[3],
_uvMap1[1]
}));
}
else
{
data.Merge(new MeshData(
frontFaceVerts,
frontFaceDrawOrder,
new Vector2[]
{
_uvMap3[2],
_uvMap3[0],
_uvMap3[3],
_uvMap3[1]
}));
}
}
else if (_style == Block.BlockFaceStyle.LogStyle)
{
data.Merge(new MeshData(
frontFaceVerts,
frontFaceDrawOrder,
new Vector2[]
{
_uvMap1[2],
_uvMap1[0],
_uvMap1[3],
_uvMap1[1]
}));
}
else if (_style == Block.BlockFaceStyle.UniversalStyle)
{
data.Merge(new MeshData(
frontFaceVerts,
frontFaceDrawOrder,
new Vector2[]
{
_uvMap0[2],
_uvMap0[0],
_uvMap0[3],
_uvMap0[1]
}));
}
}
// Back Face
if (backVis)
{
if (_style == Block.BlockFaceStyle.GrassStyle)
{
if (topVis)
{
data.Merge(new MeshData(
backFaceVerts,
backFaceDrawOrder,
new Vector2[]
{
_uvMap1[2],
_uvMap1[0],
_uvMap1[3],
_uvMap1[1]
}));
}
else
{
data.Merge(new MeshData(
backFaceVerts,
backFaceDrawOrder,
new Vector2[]
{
_uvMap3[2],
_uvMap3[0],
_uvMap3[3],
_uvMap3[1]
}));
}
}
else if (_style == Block.BlockFaceStyle.LogStyle)
{
data.Merge(new MeshData(
backFaceVerts,
backFaceDrawOrder,
new Vector2[]
{
_uvMap1[2],
_uvMap1[0],
_uvMap1[3],
_uvMap1[1]
}));
}
else if (_style == Block.BlockFaceStyle.UniversalStyle)
{
data.Merge(new MeshData(
backFaceVerts,
backFaceDrawOrder,
new Vector2[]
{
_uvMap0[2],
_uvMap0[0],
_uvMap0[3],
_uvMap0[1]
}));
}
}
// Left Face
if (leftVis)
{
if (_style == Block.BlockFaceStyle.GrassStyle)
{
if (topVis)
{
data.Merge(new MeshData(
leftFaceVerts,
leftFaceDrawOrder,
new Vector2[]
{
_uvMap1[2],
_uvMap1[0],
_uvMap1[3],
_uvMap1[1]
}));
}
else
{
data.Merge(new MeshData(
leftFaceVerts,
leftFaceDrawOrder,
new Vector2[]
{
_uvMap3[2],
_uvMap3[0],
_uvMap3[3],
_uvMap3[1]
}));
}
}
else if (_style == Block.BlockFaceStyle.LogStyle)
{
data.Merge(new MeshData(
leftFaceVerts,
leftFaceDrawOrder,
new Vector2[]
{
_uvMap1[2],
_uvMap1[0],
_uvMap1[3],
_uvMap1[1]
}));
}
else if (_style == Block.BlockFaceStyle.UniversalStyle)
{
data.Merge(new MeshData(
leftFaceVerts,
leftFaceDrawOrder,
new Vector2[]
{
_uvMap0[2],
_uvMap0[0],
_uvMap0[3],
_uvMap0[1]
}));
}
}
// Right Face
if (rightVis)
{
if (_style == Block.BlockFaceStyle.GrassStyle)
{
if (topVis)
{
data.Merge(new MeshData(
rightFaceVerts,
rightFaceDrawOrder,
new Vector2[]
{
_uvMap1[2],
_uvMap1[0],
_uvMap1[3],
_uvMap1[1]
}));
}
else
{
data.Merge(new MeshData(
rightFaceVerts,
rightFaceDrawOrder,
new Vector2[]
{
_uvMap3[2],
_uvMap3[0],
_uvMap3[3],
_uvMap3[1]
}));
}
}
else if (_style == Block.BlockFaceStyle.LogStyle)
{
data.Merge(new MeshData(
rightFaceVerts,
rightFaceDrawOrder,
new Vector2[]
{
_uvMap1[2],
_uvMap1[0],
_uvMap1[3],
_uvMap1[1]
}));
}
else if (_style == Block.BlockFaceStyle.UniversalStyle)
{
data.Merge(new MeshData(
rightFaceVerts,
rightFaceDrawOrder,
new Vector2[]
{
_uvMap0[2],
_uvMap0[0],
_uvMap0[3],
_uvMap0[1]
}));
}
}
data.AddPos(new Vector3(_x - 0.5f, _y - 0.5f, _z - 0.5f));
return(data);
}
// Initialize Starter Zone Chunks
private void InitializeStarterZone()
{
// Starting zone Chunk initialization, for all Chunks within Rendering Distance First Pass
// Check if chunk exists in save file, if so get from file, if not Generate new Chunk
Int3 startingChunkPos = this.WorldStartPos;
startingChunkPos.WorldCoordsToChunkCoords();
Int3 xyz = new Int3(0, 0, 0);
for (int x = -RenderDistanceFirstPass; x < RenderDistanceFirstPass; x++)
{
for (int y = -RenderDistanceFirstPass; y < RenderDistanceFirstPass; y++)
{
for (int z = -RenderDistanceFirstPass; z < RenderDistanceFirstPass; z++)
{
xyz.SetPos(x, y, z);
Int3 newChunkPos = this.WorldStartPos;
newChunkPos += xyz * Chunk.ChunkSize;
newChunkPos.WorldCoordsToChunkCoords();
// x,y,z for loop makes a cube of chunks of renderDistanceFirstPass^3, distance function below cuts that into a sphere (instead of cube), saves 30+% in generation time
if (Vector3.Distance(newChunkPos.GetVec3(), startingChunkPos.GetVec3()) <= RenderDistanceFirstPass)
{
// If save file exists for Chunk, read chunk data from file and add Chunk to World
if (System.IO.File.Exists(FileManager.GetChunkString(newChunkPos)))
{
try
{
Chunk chunk = new Chunk(newChunkPos, Serializer.DeserializeFromFile <int[, , ]>(FileManager.GetChunkString(newChunkPos)));
this.loadedChunks.Add(newChunkPos, chunk);
}
catch (Exception e)
{
Debug.Log(e.ToString());
Logger.Log(e);
}
}
// If no save file for chunk, generate new Chunk and add to World
else
{
Chunk chunk = new Chunk(newChunkPos);
this.loadedChunks.Add(newChunkPos, chunk);
}
}
}
}
}
// Generate blocks for each of the loaded Chunks
foreach (KeyValuePair <Int3, Chunk> chunk in this.loadedChunks)
{
chunk.Value.Start();
}
Debug.Log($@"{GameManager.Time}: Finished Starter Zone Generation Initialization");
Logger.Log($@"{GameManager.Time}: Finished Starter Zone Generation Initialization");
// Generate mesh for each of the loaded Chunks (check if they have all neighbors meshed to avoid broken meshes at Chunk intersections)
foreach (KeyValuePair <Int3, Chunk> chunk in this.loadedChunks)
{
if (this.ChunkExists(chunk.Value.NegXNeighbor) && this.ChunkExists(chunk.Value.PosXNeighbor) &&
this.ChunkExists(chunk.Value.NegYNeighbor) && this.ChunkExists(chunk.Value.PosYNeighbor) &&
this.ChunkExists(chunk.Value.NegZNeighbor) && this.ChunkExists(chunk.Value.PosZNeighbor))
{
chunk.Value.Update();
}
}
Debug.Log($@"{GameManager.Time}: Finished Starter Zone Meshing Initialization");
Logger.Log($@"{GameManager.Time}: Finished Starter Zone Meshing Initialization");
// Generate GameObject and MeshRenderer for each of the loaded Chunks
foreach (KeyValuePair <Int3, Chunk> chunk in this.loadedChunks)
{
chunk.Value.OnUnityUpdate();
}
this.starterChunksInitialized = true;
Debug.Log($@"{GameManager.Time}: Finished Starter Zone Rendering Initialization");
Logger.Log($@"{GameManager.Time}: Finished Starter Zone Rendering Initialization");
}
// Checks visibility of given face
private static bool CheckVis(int _x, int _y, int _z, Int3 _position, Block[,,] _blocks, Side _side)
{
if (_side == Side.Bottom)
{
if (_y > 0)
{
Block block = _blocks[_x, _y - 1, _z];
return(block.IsTransparent || block.IsSemiTransparent);
}
else if (_y == 0)
{
Int3 pos = _position;
pos.AddPos(0, -1, 0);
Block block = World.Instance.GetBlockFromWorldCoords(pos);
return(block.IsTransparent || block.IsSemiTransparent);
}
return(false);
}
else if (_side == Side.Top)
{
if (_y < Chunk.ChunkSize - 1)
{
Block block = _blocks[_x, _y + 1, _z];
return(block.IsTransparent || block.IsSemiTransparent);
}
else if (_y == Chunk.ChunkSize - 1)
{
Int3 pos = _position;
pos.AddPos(0, 1, 0);
Block block = World.Instance.GetBlockFromWorldCoords(pos);
return(block.IsTransparent || block.IsSemiTransparent);
}
return(false);
}
else if (_side == Side.Front)
{
if (_x > 0)
{
Block block = _blocks[_x - 1, _y, _z];
return(block.IsTransparent || block.IsSemiTransparent);
}
else if (_x == 0)
{
Int3 pos = _position;
pos.AddPos(-1, 0, 0);
Block block = World.Instance.GetBlockFromWorldCoords(pos);
return(block.IsTransparent || block.IsSemiTransparent);
}
return(false);
}
else if (_side == Side.Back)
{
if (_x < Chunk.ChunkSize - 1)
{
Block block = _blocks[_x + 1, _y, _z];
return(block.IsTransparent || block.IsSemiTransparent);
}
else if (_x == Chunk.ChunkSize - 1)
{
Int3 pos = _position;
pos.AddPos(1, 0, 0);
Block block = World.Instance.GetBlockFromWorldCoords(pos);
return(block.IsTransparent || block.IsSemiTransparent);
}
return(false);
}
else if (_side == Side.Left)
{
if (_z > 0)
{
Block block = _blocks[_x, _y, _z - 1];
return(block.IsTransparent || block.IsSemiTransparent);
}
else if (_z == 0)
{
Int3 pos = _position;
pos.AddPos(0, 0, -1);
Block block = World.Instance.GetBlockFromWorldCoords(pos);
return(block.IsTransparent || block.IsSemiTransparent);
}
return(false);
}
else // Side.Right
{
if (_z < Chunk.ChunkSize - 1)
{
Block block = _blocks[_x, _y, _z + 1];
return(block.IsTransparent || block.IsSemiTransparent);
}
else if (_z == Chunk.ChunkSize - 1)
{
Int3 pos = _position;
pos.AddPos(0, 0, 1);
Block block = World.Instance.GetBlockFromWorldCoords(pos);
return(block.IsTransparent || block.IsSemiTransparent);
}
return(false);
}
}