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Author: Rayvolution (posted 2014-05-10 05:13:28, viewed 459 times)

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package core;

import org.lwjgl.opengl.Display;
import org.newdawn.slick.Color;
import org.newdawn.slick.Image;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.SpriteSheet;
import org.newdawn.slick.tiled.TiledMap;

public class ShadowController {
   private SpriteSheet shadowSheet;
   private Image[] shadows = new Image[6];
   private float rotation = 0;
   private byte[][] shadowTiles;
   private TiledMap map;
   private int mapHeight, mapWidth;
   
   //Debug mode
   private boolean debug = false;
   
   public ShadowController(TiledMap m) throws SlickException{
      map = m;
      mapHeight = map.getHeight();
      mapWidth = map.getWidth();
      if (debug){
         shadowSheet = new SpriteSheet("res/shadowsDebug.png", 24, 48);
      }else{
         shadowSheet = new SpriteSheet("res/shadows.png", 24, 48);
      }
      for (int x = 0; x < shadows.length; x++) {
         shadows[x] = shadowSheet.getSprite(x, 0);
         shadows[x].setImageColor(1f,1f,1f,0.2f);
         shadows[x].setCenterOfRotation(12,12);
      }
      buildShadows();
   }
   
   public void update(Clock clock){
      rotation = ((clock.getHour()*60+clock.getMinute())/4+180*-1);
   }
   
   public void buildShadows(){
      shadowTiles = new byte[mapWidth][mapHeight];
      for (int x = 0; x < mapWidth; x++) {
         for (int y = 0; y < mapHeight; y++) {
            int tileID = map.getTileId(x, y, 6);
            if (!(tileID == 0)){
               shadowTiles[x][y] = Byte.parseByte(map.getTileProperty(tileID, "shadow", "6"));
            }else{
               shadowTiles[x][y] = 6;
            }
         }
      }
   }
   
   public void render(float mapX, float mapY) throws SlickException {
      for (int x1 = 0; x1 < shadows.length; x1++) {
         shadows[x1].startUse();
         for (int x = 0; x < mapWidth; x++) {
            for (int y = 0; y < mapHeight; y++) {
               if (shadowTiles[x][y] == x1){
                  if ((x*8+mapX > -30) && (x*8+mapX < Display.getWidth()/3+30) && (y*8+mapY > -30) && (y*8+mapY < Display.getHeight()/3+30)){
                     shadows[x1].drawEmbedded(mapX+x*8-8, mapY+y*8-8, 24, 48, rotation);
                  }
               }
            }
         }
         shadows[x1].endUse();
      }
   }
}





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