add water

src/com/craftclassic/play/Minecraft.java

@@ -52,7 +52,7 @@ public class Minecraft
     private FontRender font;
 
     private List<Runnable> nextTickRunnables;
-    private List<Runnable> nextSecondRunnables;
+    private List<Runnable> nextTickRunnablesWater;
 
     private int placeBlockTypeId = 1;
 
@@ -102,7 +102,7 @@ public void run()
         try 
         {          
         	this.nextTickRunnables = new ArrayList<>();
-        	this.nextSecondRunnables = new ArrayList<>();
+        	this.nextTickRunnablesWater = new ArrayList<>();
         	this.world = new World(this, 64, 64, 1);
         	this.font = new FontRender(this);
 
@@ -128,6 +128,16 @@ public void run()
 	            	this.nextTickRunnables.clear();
             	}
 
+            	if(ticks % 10 == 0)
+            	{
+	            	this.nextTickRunnablesWater.forEach(task -> {
+	            		task.run();
+	            	});
+	            	this.nextTickRunnablesWater.clear();
+            	}
+
+
+
             	Location playerLoc = this.player.getLocation();
                 float sinYaw = (float)Math.sin(playerLoc.getYaw() + (this.player.preyaw - playerLoc.getYaw()));
                 float cosYaw = (float)Math.cos(playerLoc.getYaw() + (this.player.preyaw - playerLoc.getYaw()));
@@ -600,11 +610,12 @@ public void doNextTick(Runnable runnable)
     	this.nextTickRunnables.add(runnable);
     }
 
-    public void doNextSecond(Runnable runnable)
+    public void doNextTickWater(Runnable runnable)
     {
-    	this.nextTickRunnables.add(runnable);
+    	this.nextTickRunnablesWater.add(runnable);
     }
 
+
     public void setPixel(int x, int y, int pixel)
     {
     	imageData[x + y * this.quartWidth] = pixel;

src/com/craftclassic/play/blocks/Block.java

@@ -91,7 +91,7 @@ public void setId(int id) {
 							, GRASS = new GrassBlock(2)
 							, STONE = new StoneBlock(3)
 							, LAVA = new LavaBlock(4) //solid lava (4)
-							 //Moving lava (5)
+							, WATER = new WaterBlock(5)
 							, BEDROCK = new BedrockBlock(6)
 							, LOG = new LogBlock(7)
 							, LEAVES = new LeavesBlock(8)

src/com/craftclassic/play/blocks/WaterBlock.java

@@ -0,0 +1,38 @@
+package com.craftclassic.play.blocks;
+
+import com.craftclassic.play.utils.Location;
+
+public class WaterBlock extends Block {
+
+	public WaterBlock(int id) 
+	{
+		super(id, "Water", 13);
+		this.setBreakable(false);
+		this.setSelectable(false);
+		this.setSolid(false);
+	}
+
+	private void flow(Location location, int x, int y, int z)
+	{
+		location.add(x, y, z);
+		if(location.getBlock() == Block.AIR)
+		{
+			Location newLoc = location.clone();
+			location.getWorld().getMinecraft().doNextTickWater(() -> 
+			{
+				if(newLoc.getBlock() == Block.AIR)
+					newLoc.setBlock(Block.WATER);
+			});
+		}
+		location.subtract(x, y, z);
+	}
+
+	public void onTick(Location location) 
+	{
+		flow(location, 1, 0, 0);
+		flow(location, 0, 0, 1);
+		flow(location, 0, 0, -1);
+		flow(location, -1, 0, 0);
+		flow(location, 0, 1, 0);
+	}
+}