fix getTilePosition and onUnitCreate/Destroy

Author: JasperGeurtz

.gitignore

@@ -3,4 +3,6 @@ target/
 
 #intellij
 .idea/
-*.iml
+*.iml
+
+src/test/java/jbot

src/main/java/bwapi/EventHandler.java

@@ -55,9 +55,11 @@ public void operation(Client.GameData.Event event) {
                 eventListener.onUnitHide(game.getUnit(event.v1()));
                 break;
             case 12: //UnitCreate
+                game.unitShow(event.v1());
                 eventListener.onUnitCreate(game.getUnit(event.v1()));
                 break;
             case 13: //UnitDestroy
+                game.unitHide(event.v1());
                 eventListener.onUnitDestroy(game.getUnit(event.v1()));
                 break;
             case 14: //UnitMorph

src/main/java/bwapi/Unit.java

@@ -26,6 +26,7 @@ public class Unit {
     private final int initialResources;
     private final int initialHitPoints;
     private final Position initialPosition;
+    private final TilePosition initialTilePosition;
 
     // variable
     private int lastCommandFrame = 0;
@@ -39,6 +40,7 @@ public class Unit {
         initialResources = getResources();
         initialHitPoints = getHitPoints();
         initialPosition = getPosition();
+        initialTilePosition = getTilePosition();
     }
 
     public int getID() {
@@ -67,7 +69,10 @@ public Position getPosition() {
     }
 
     public TilePosition getTilePosition() {
-        return getPosition().toTilePosition();
+        final Position p = getPosition();
+        final UnitType ut = getType();
+        return new Position(Math.abs(p.x - ut.tileWidth()  * 32 / 2), Math.abs(p.y - ut.tileHeight() * 32 / 2))
+                .toTilePosition();
     }
 
     public double getAngle() {
@@ -233,7 +238,7 @@ public Position getInitialPosition() {
     }
 
     public TilePosition getInitialTilePosition() {
-        return initialPosition.toTilePosition();
+        return initialTilePosition;
     }
 
     public int getInitialHitPoints() {