324 lines
11 KiB
C#
324 lines
11 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using UnityEngine;
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using Random = UnityEngine.Random;
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public class World : MonoBehaviour
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{
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//basic
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[SerializeField] public int worldSize;
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private int randomOffsetX, randomOffsetZ;
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private int seed = 0;
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private string dataPath;
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private Noise noise = new Noise();
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//chunks
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public Chunk[,] chunks;
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//network
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private Server server;
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[SerializeField] private int transferDelay;
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private void Start()
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{
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dataPath = Application.dataPath;
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randomOffsetX = Random.Range(0, 10000);
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randomOffsetZ = Random.Range(0, 10000);
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if (File.Exists(Application.dataPath + "\\save.world"))
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{
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Console.WriteLine("loading world... \n");
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chunks = new Chunk[worldSize, worldSize];
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for (int x = 0; x < worldSize; x++)
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{
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for (int z = 0; z < worldSize; z++)
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{
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chunks[x, z] = new Chunk(new ChunkCoord(x, z), this);
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chunks[x, z].gameObject.transform.SetParent(gameObject.transform);
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}
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}
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StreamReader reader = new StreamReader(Application.dataPath + "\\save.world");
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for (int xChunk = 0; xChunk < worldSize; xChunk++)
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{
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for (int zChunk = 0; zChunk < worldSize; zChunk++)
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{
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byte[] save = Encoding.ASCII.GetBytes(reader.ReadLine());
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int i = 0;
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for (int y = 0; y < Data.chunkHeight; y++)
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{
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for (int x = 0; x < Data.chunkWidth; x++)
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{
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for (int z = 0; z < Data.chunkWidth; z++)
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{
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chunks[xChunk, zChunk].blocks[x, y, z] = (byte)(save[i] - 32);
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i++;
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}
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}
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}
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}
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}
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reader.Close();
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}
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else
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{
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Console.WriteLine("generate world... \n");
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CreateChunks();
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CreateTrees();
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}
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Console.WriteLine("world loaded! \n");
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server = new Server(this, transferDelay);
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}
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//creates an array of chunks
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private void CreateChunks()
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{
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chunks = new Chunk[worldSize, worldSize];
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for (int x = 0; x < worldSize; x++)
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{
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for (int z = 0; z < worldSize; z++)
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{
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chunks[x, z] = new Chunk(new ChunkCoord(x, z), this);
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chunks[x, z].gameObject.transform.SetParent(gameObject.transform);
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}
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}
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for (int x = 0; x < worldSize; x++)
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{
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for (int z = 0; z < worldSize; z++)
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{
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chunks[x, z].PopulateBlocks();
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}
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}
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}
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//Create Trees
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private void CreateTrees()
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{
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for (int x = 4; x < worldSize * Data.chunkWidth - 4; x++)
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{
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for (int z = 4; z < worldSize * Data.chunkWidth - 4; z++)
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{
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if (noise.CheckTree(x, z))
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{
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ChunkCoord chunk = new ChunkCoord((int)(x / Data.chunkWidth),
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(int)(z / Data.chunkWidth));
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int xInChunk = (int)(x - chunk.x * Data.chunkWidth);
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int yInChunk = (int)(noise.GetHeight(x, z, randomOffsetX, randomOffsetZ));
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int zInChunk = (int)(z - chunk.z * Data.chunkWidth);
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int height = Random.Range(5, 9);
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for (int i = 0; i <= height; i++)
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{
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chunks[chunk.x, chunk.z].blocks[xInChunk, yInChunk + i, zInChunk] = 7;
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}
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chunks[chunk.x, chunk.z].blocks[xInChunk, yInChunk + height + 2, zInChunk] = 6;
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for (int ty = -1; ty <= 0; ty++)
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{
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for (int tx = -2; tx <= 2; tx++)
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{
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for (int tz = -2; tz <= 2; tz++)
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{
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ChunkCoord tempChunk = new ChunkCoord((int)((x - tx) / Data.chunkWidth),
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(int)((z - tz) / Data.chunkWidth));
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int xTempInChunk = (int)((x - tx) - tempChunk.x * Data.chunkWidth);
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int zTempInChunk = (int)((z - tz) - tempChunk.z * Data.chunkWidth);
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if (chunks[tempChunk.x, tempChunk.z].blocks[xTempInChunk, yInChunk + height + ty,
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zTempInChunk] != 7)
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{
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chunks[tempChunk.x, tempChunk.z].blocks[xTempInChunk, yInChunk + height + ty,
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zTempInChunk] = 6;
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}
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}
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}
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}
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for (int tx = -1; tx <= 1; tx++)
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{
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for (int tz = -1; tz <= 1; tz++)
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{
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ChunkCoord tempChunk = new ChunkCoord((int)((x - tx) / Data.chunkWidth),
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(int)((z - tz) / Data.chunkWidth));
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int xTempInChunk = (int)((x - tx) - tempChunk.x * Data.chunkWidth);
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int zTempInChunk = (int)((z - tz) - tempChunk.z * Data.chunkWidth);
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if (chunks[tempChunk.x, tempChunk.z].blocks[xTempInChunk, yInChunk + height + 1,
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zTempInChunk] != 7)
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{
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chunks[tempChunk.x, tempChunk.z].blocks[xTempInChunk, yInChunk + height + 1,
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zTempInChunk] = 6;
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}
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}
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}
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}
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}
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}
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}
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//return the ID of a block
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public byte GetBlockID(Vector3 positionInWorld)
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{
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byte height = noise.GetHeight((int)positionInWorld.x, (int)positionInWorld.z, randomOffsetX, randomOffsetZ);
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//world pass
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if (positionInWorld.x < 0 || positionInWorld.y < 0 || positionInWorld.z < 0 ||
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positionInWorld.x >= worldSize * Data.chunkWidth || positionInWorld.y > height ||
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positionInWorld.z >= worldSize * Data.chunkWidth)
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{
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return 0;
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}
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//surface pass
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if ((int)positionInWorld.y == height)
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{
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return 3;
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}
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//bedrock pass
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if ((int)positionInWorld.y == 0)
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{
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return 1;
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}
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//dirt pass
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if ((int)positionInWorld.y > height - 3)
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{
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return 2;
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}
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//underground pass
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if ((int)positionInWorld.y < height)
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{
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//dirt
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if((int)positionInWorld.y > 6 && (int)positionInWorld.y < height - 3)
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{
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if (noise.Get3DPerlin(positionInWorld, 3, 0.28f, 0.65f))
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{
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return 2;
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}
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}
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//coal
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if((int)positionInWorld.y > 6 && (int)positionInWorld.y < height - 8)
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{
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if (noise.Get3DPerlin(positionInWorld, 5, 0.28f, 0.65f))
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{
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return 12;
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}
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}
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// //caves
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// if((int)positionInWorld.y > 6 && (int)positionInWorld.y < height - 8)
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// {
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// if (noise.Get3DPerlin(positionInWorld, 0, 0.18f, 0.5f))
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// {
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// return 0;
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// }
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// }
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return 4;
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}
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return 0;
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}
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//returns if a block is on the position
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public bool CheckBlock(Vector3 positionInWorld)
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{
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if (positionInWorld.x < -1 || positionInWorld.z < -1 ||
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positionInWorld.x > worldSize * Data.chunkWidth ||
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positionInWorld.z > worldSize * Data.chunkWidth)
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{
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return false;
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}
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if (positionInWorld.x < 0 || positionInWorld.y < 0 || positionInWorld.z < 0 ||
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positionInWorld.x >= worldSize * Data.chunkWidth || positionInWorld.y >= Data.chunkHeight ||
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positionInWorld.z >= worldSize * Data.chunkWidth)
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{
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return true;
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}
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ChunkCoord chunk = new ChunkCoord((int)(positionInWorld.x / Data.chunkWidth),
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(int)(positionInWorld.z / Data.chunkWidth));
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int xInChunk = (int)(positionInWorld.x - chunk.x * Data.chunkWidth);
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int yInChunk = (int)positionInWorld.y;
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int zInChunk = (int)(positionInWorld.z - chunk.z * Data.chunkWidth);
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if (chunks[chunk.x, chunk.z] != null)
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{
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if (chunks[chunk.x, chunk.z].blocks[xInChunk, yInChunk, zInChunk] == 0)
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{
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return false;
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}
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}
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return true;
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}
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public void EditBlock(ChunkCoord chunk, Vector3 positionInChunk, byte blockID)
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{
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byte xInChunk = (byte)(positionInChunk.x);
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byte yInChunk = (byte)positionInChunk.y;
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byte zInChunk = (byte)(positionInChunk.z);
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//edit block in chunk
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if(chunks[chunk.x, chunk.z].blocks[xInChunk, yInChunk, zInChunk] != 1)
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{
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chunks[chunk.x, chunk.z].Update(xInChunk, yInChunk, zInChunk, blockID);
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}
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}
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private void OnApplicationQuit()
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{
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SaveWorld();
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server.Disconnect();
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}
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public void SaveWorld()
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{
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StreamWriter writer = new StreamWriter(dataPath + "\\save.world", false);
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for (int xChunk = 0; xChunk < worldSize; xChunk++)
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{
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for (int zChunk = 0; zChunk < worldSize; zChunk++)
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{
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byte[] save = new byte[Data.chunkWidth * Data.chunkWidth * Data.chunkHeight];
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int i = 0;
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for (int y = 0; y < Data.chunkHeight; y++)
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{
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for (int x = 0; x < Data.chunkWidth; x++)
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{
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for (int z = 0; z < Data.chunkWidth; z++)
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{
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save[i] = (byte)(chunks[xChunk, zChunk].blocks[x, y, z] + 32);
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i++;
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}
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}
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}
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writer.WriteLine(Encoding.ASCII.GetString(save));
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writer.Flush();
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}
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}
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writer.Close();
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Console.WriteLine("world saved! (save.world) \n");
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}
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}
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