From 180aad05decc7eefa87e4e45d6747c48f40e5361 Mon Sep 17 00:00:00 2001
From: Tyler Murphy <tylerm@tylerm.dev>
Date: Mon, 17 Apr 2023 12:12:01 -0400
Subject: save

---
 .../net/tylermurphy/Minecraft/Scene/World.java     | 89 ++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100755 src/main/java/net/tylermurphy/Minecraft/Scene/World.java

(limited to 'src/main/java/net/tylermurphy/Minecraft/Scene/World.java')

diff --git a/src/main/java/net/tylermurphy/Minecraft/Scene/World.java b/src/main/java/net/tylermurphy/Minecraft/Scene/World.java
new file mode 100755
index 0000000..d54ed92
--- /dev/null
+++ b/src/main/java/net/tylermurphy/Minecraft/Scene/World.java
@@ -0,0 +1,89 @@
+package net.tylermurphy.Minecraft.Scene;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.stream.Collectors;
+
+import net.tylermurphy.Minecraft.Chunk.Cube;
+import net.tylermurphy.Minecraft.Scene.Objects.WorldOrigin;
+
+import net.tylermurphy.Minecraft.Chunk.Chunk;
+import net.tylermurphy.Minecraft.Tick.BlockUpdate;
+
+public class World {
+
+	private static final HashMap<String,Chunk> chunks = new HashMap<>();
+	
+	public static Camera camera;
+	public static Player player;
+	public static int seed;
+	public static int renderDistance;
+
+	public static WorldOrigin world_origin;
+
+	public static byte getBlock(int x, int y, int z) {
+		if(y<0 || y> 255) return Cube.AIR;
+		int cx = (int)Math.floor(x/16.0) + world_origin.x()/16;
+		int cz = (int)Math.floor(z/16.0) + world_origin.z()/16;
+		Chunk chunk = getChunk(cx, cz);
+		if(chunk==null) return Cube.NULL;
+		int rx = x-16*(int)Math.floor(x/16.0);
+		int rz = z-16*(int)Math.floor(z/16.0);
+		return chunk.cubes[rx][y][rz];
+	}
+
+	public static int getHighestBlock(int fx, int fz) {
+		for(int y=255;y>=0;y--) {
+			if(getBlock(fx,y,fz) != -1) return y;
+		}
+		return 255;
+	}
+
+	public static void setBlock(int x, int y, int z, byte id) {
+		if(y<0 || y> 255) return;
+		int cx = (int)Math.floor(x/16.0) + world_origin.x()/16;
+		int cz = (int)Math.floor(z/16.0) + world_origin.z()/16;
+		Chunk chunk = getChunk(cx, cz);
+		if(chunk==null) return;
+		int rx = x-16*(int)Math.floor(x/16.0);
+		int rz = z-16*(int)Math.floor(z/16.0);
+		BlockUpdate.createBlockUpdate(x, y, z, chunk.cubes[rx][y][rz], id);
+		chunk.scheduleFutureMeshUpdate();
+		chunk.cubes[rx][y][rz] = id;
+		if(id != -1 && y > 0 && chunk.cubes[rx][y - 1][rz] == 0)
+			chunk.cubes[rx][y -1][rz] = 1;
+		int ox = (rx%16) == 0 ? -1 : (rx%16) == 15 ? 1 : 0;
+		int oz = (rz%16) == 0 ? -1 : (rz%16) == 15 ? 1 : 0;
+		Chunk coc = null,coz = null;
+		if(ox != 0) coc = getChunk(chunk.gridX + ox, chunk.gridZ);
+		if(oz != 0) coz = getChunk(chunk.gridX, chunk.gridZ + oz);
+		if(coc != null) {
+			coc.scheduleFutureMeshUpdate();
+		}
+		if(coz != null) {
+			coz.scheduleFutureMeshUpdate();
+		}
+	}
+
+	public static Chunk getChunk(int x, int z){
+		Chunk c = chunks.get(x+":"+z);
+		return c == null ? null : c.isSafe() ? c : null;
+	}
+
+	public static Chunk getChunkUnsafe(int x, int z){
+		return chunks.get(x+":"+z);
+	}
+
+	public static void addChunk(Chunk c){
+		chunks.put(c.gridX+":"+c.gridZ, c);
+	}
+
+	public static void removeChunk(int x, int z){
+		chunks.remove(x+":"+z);
+	}
+
+	public static Collection<Chunk> getChunks(){
+		return chunks.values().stream().filter(Chunk::isSafe).collect(Collectors.toList());
+	}
+
+}
\ No newline at end of file
-- 
cgit v1.2.3-freya