Added viewpoint scrolling

Now, maps can be larger than (20,15) and the map will scroll as the hero walks across the middle. However, Southward and Eastward middle-traversing appears to warp reality just a little and there are a few kinks that need to be straightened out.

Map layer caching has also been added because the lower and upper layers of a map never change, so they are cached after the first rendering.

3 files changed, 21 insertions, 11 deletions

@@ -124,37 +124,43 @@ public abstract class AbstractEvent implements Event {
     
     public int getRenderX()
     {
-        int x = (getLocation().x * 16) - 4;
-        
+        return (getLocation().x * 16) - 4 + getMovingX();
+    }
+    
+    public int getRenderY()
+    {
+        return (getLocation().y * 16) - 16 + getMovingY();
+    }
+    
+    public int getMovingX()
+    {
         if (isMoving())
         {
             if (getDirection() == Direction.West)
             {
-                x -= (4 - moveTimer) * 4;
+                return -((4 - moveTimer) * 4);
             } else if (getDirection() == Direction.East)
             {
-                x += (4 - moveTimer) * 4;
+                return (4 - moveTimer) * 4;
             }
         }
         
-        return x;
+        return 0;
     }
     
-    public int getRenderY()
+    public int getMovingY()
     {
-        int y = (getLocation().y * 16) - 16;
-        
         if (isMoving())
         {
             if (getDirection() == Direction.North)
             {
-                y -= (4 - moveTimer) * 4;
+                return -((4 - moveTimer) * 4);
             } else if (getDirection() == Direction.South)
             {
-                y += (4 - moveTimer) * 4;
+                return (4 - moveTimer) * 4;
             }
         }
         
-        return y;
+        return 0;
     }
 }
@@ -28,6 +28,9 @@ public interface Event {
     public int getRenderX();
     public int getRenderY();
     
+    public int getMovingX();
+    public int getMovingY();
+    
     public Direction getDirection();
     public void setDirection(Direction direction);
 
@@ -5,6 +5,7 @@
 
 package com.fourisland.fourpuzzle.gamestate.mapview.event;
 
+import com.fourisland.fourpuzzle.gamestate.mapview.Map;
 import java.util.concurrent.Future;
 
 /**