1 files changed, 65 insertions, 8 deletions

diff --git a/src/main/java/gregtech/common/GT_Pollution.java b/src/main/java/gregtech/common/GT_Pollution.java
index feeeafe4b0..743a1c5ceb 100644
--- a/src/main/java/gregtech/common/GT_Pollution.java
+++ b/src/main/java/gregtech/common/GT_Pollution.java
@@ -1,28 +1,85 @@
-package gregtech.common;
+	package gregtech.common;
 
+import java.util.ArrayList;
+import java.util.List;
+
+import gregtech.api.util.GT_Utility;
+import net.minecraft.client.Minecraft;
 import net.minecraft.world.ChunkPosition;
+import net.minecraft.world.WorldManager;
 
 public class GT_Pollution {
 	
 
-//	List<ChunkPosition> list = new ArrayList<ChunkPosition>(chunkData.keySet());
+	static List<ChunkPosition> tList = null;
+	static int loops = 1;
 
 	public static void onWorldTick(int aTick){
-		
+		if(aTick == 0 || (tList==null && GT_Proxy.chunkData!=null)){
+			tList = new ArrayList<ChunkPosition>(GT_Proxy.chunkData.keySet());
+			loops = (tList.size()/1200) + 1;
+		}
+		if(tList!=null && tList.size() > 0){
+			int i = 0;
+			for(; i < loops ; i++){
+				ChunkPosition tPos = tList.get(0);
+				tList.remove(0);
+				if(tPos!=null && GT_Proxy.chunkData.containsKey(tPos)){
+				int tPollution = GT_Proxy.chunkData.get(tPos)[1];
+//				System.out.println("process: "+tPos.chunkPosX+" "+tPos.chunkPosZ+" "+tPollution);
+				//Reduce pollution in chunk
+				tPollution = (int)(0.99f*tPollution);
+				tPollution -= 2000;
+				if(tPollution<=0){tPollution = 0;}else{
+				//Spread Pollution
+				if(tPollution>50000){
+				List<ChunkPosition> tNeighbor = new ArrayList();
+				tNeighbor.add(new ChunkPosition(tPos.chunkPosX+1, 1, tPos.chunkPosZ+1));
+				tNeighbor.add(new ChunkPosition(tPos.chunkPosX+1, 1, tPos.chunkPosZ-1));
+				tNeighbor.add(new ChunkPosition(tPos.chunkPosX-1, 1, tPos.chunkPosZ+1));
+				tNeighbor.add(new ChunkPosition(tPos.chunkPosX-1, 1, tPos.chunkPosZ-1));
+				for(ChunkPosition tNPos : tNeighbor){
+					if(GT_Proxy.chunkData.containsKey(tNPos)){
+						int tNPol = GT_Proxy.chunkData.get(tNPos)[1];
+						if(tNPol<tPollution){
+							int tDiff = tPollution - tNPol;
+							tDiff = tDiff/10;
+							tNPol += tDiff;
+							tPollution -= tDiff;
+							GT_Proxy.chunkData.get(tNPos)[1] = tNPol;
+						}
+					}else{
+						GT_Utility.getUndergroundOil(Minecraft.getMinecraft().theWorld,tPos.chunkPosX*16,tPos.chunkPosZ*16);
+					}
+				}}
+				int[] tArray = GT_Proxy.chunkData.get(tPos);
+				tArray[1] = tPollution;
+				GT_Proxy.chunkData.remove(tPos);
+				GT_Proxy.chunkData.put(tPos, tArray);
+				//Create Pollution effects
+					
+					}
+				}
+			}
+		}
 	}
 	
 	public static void addPollution(ChunkPosition aPos, int aPollution){
+		try{
+		ChunkPosition tPos = new ChunkPosition(aPos.chunkPosX/16, 1, aPos.chunkPosZ/16);
+//		System.out.println("add pollution x: "+ tPos.chunkPosX +" z: " + tPos.chunkPosZ +" poll: "+aPollution);
 		int[] tData = new int[2];
-		if(GT_Proxy.chunkData.containsKey(aPos)){
-			tData = GT_Proxy.chunkData.get(aPos);
+		if(GT_Proxy.chunkData.containsKey(tPos)){
+			tData = GT_Proxy.chunkData.get(tPos);
 			if(tData.length>1){
 				tData[1] += aPollution;
 			}
-			GT_Proxy.chunkData.replace(aPos, tData);
 		}else{
 			tData[1] += aPollution;
-			GT_Proxy.chunkData.put(aPos, tData);
+			GT_Proxy.chunkData.put(tPos, tData);
+		}
+		}catch(Exception e){
+			
 		}
-		
 	}
 }