102 lines
2.8 KiB
C#
102 lines
2.8 KiB
C#
using OpenTK.Mathematics;
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using System.Collections.Generic;
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namespace Voxel
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{
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public class World
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{
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private Dictionary<(int, int), Chunk> _chunks;
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public World()
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{
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_chunks = new Dictionary<(int, int), Chunk>();
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}
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// Get a chunk at world coordinates, returns null if not loaded
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public Chunk GetChunk(int chunkX, int chunkZ)
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{
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_chunks.TryGetValue((chunkX, chunkZ), out Chunk chunk);
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return chunk;
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}
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// Add a chunk
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public void AddChunk(Chunk chunk)
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{
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_chunks[(chunk.X, chunk.Y)] = chunk;
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}
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// Remove a chunk
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public void RemoveChunk(int chunkX, int chunkZ)
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{
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_chunks.Remove((chunkX, chunkZ));
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}
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// Iterate over all chunks
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public IEnumerable<Chunk> GetAllChunks()
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{
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return _chunks.Values;
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}
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// Optional: get a block at world coordinates
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public Blocks GetBlock(int worldX, int worldY, int worldZ)
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{
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int chunkX = worldX / Chunk.Size;
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int chunkZ = worldZ / Chunk.Size;
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Chunk chunk = GetChunk(chunkX, chunkZ);
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if (chunk == null) return 0; // air if chunk not loaded
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int localX = worldX % Chunk.Size;
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int localZ = worldZ % Chunk.Size;
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return chunk.GetBlock(localX, worldY, localZ);
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}
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// Optional: set a block at world coordinates
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public void SetBlock(int worldX, int worldY, int worldZ, Blocks block)
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{
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int chunkX = worldX / Chunk.Size;
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int chunkZ = worldZ / Chunk.Size;
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Chunk chunk = GetChunk(chunkX, chunkZ);
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if (chunk == null) return;
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int localX = worldX % Chunk.Size;
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int localZ = worldZ % Chunk.Size;
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chunk.SetBlock(localX, worldY, localZ, block);
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}
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public (Blocks block, int x, int y, int z) Raycast(float length)
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{
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Vector3 start = Camera.Position;
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Vector3 dir = Camera.Front.Normalized();
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float stepSize = 0.01f;
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float distanceTraveled = 0f;
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while (distanceTraveled < length)
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{
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Vector3 point = start + dir * distanceTraveled;
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int bx = (int)MathF.Floor(point.X);
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int by = (int)MathF.Floor(point.Y);
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int bz = (int)MathF.Floor(point.Z);
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Blocks block = GetBlock(bx, by, bz);
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if (block != Blocks.Air)
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{
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return (block, bx, by, bz);
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}
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distanceTraveled += stepSize;
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}
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return (Blocks.Air, 0, 0, 0);
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}
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public void Update()
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{
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}
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}
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}
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