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PostPosted: Tue Oct 02, 2012 8:44 pm 
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Joined: Wed Jul 25, 2012 8:18 pm
Posts: 1
I've been following freeaks tutorial for tiled maps and have managed to get a 600x480 map to work with colllisions. So I decided to try to make a map which is 1200x960, the collisions work if the map is rendered at 0,0. I tried to move the map to 0,-480 to check if the collision on the bottom of the map worked and it doesn't, as this is my first time using Tiled Maps I am unsure how to resolve this problem, any help will be much appreciated.
Code:
package run.game;



import org.newdawn.slick.Animation;
import org.newdawn.slick.AppGameContainer;
import org.newdawn.slick.BasicGame;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.Input;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.SpriteSheet;
import org.newdawn.slick.geom.Polygon;

public class Run extends BasicGame{

   private float playerX=32;
   private float playerY=416;
   private Animation player;
   private Polygon playerPoly;
   public BlockMap map;
   
   

   public Run() {
      super("one class barebone game");
   }

   public void init(GameContainer container) throws SlickException {
      container.setVSync(true);
      SpriteSheet sheet = new SpriteSheet("data/karbonator.png",32,32);
      map = new BlockMap("data/mapborder.tmx");      
      player = new Animation();
      player.setAutoUpdate(false);
      for (int frame=0;frame<3;frame++) {
         player.addFrame(sheet.getSprite(frame,0), 150);
      }
      playerPoly = new Polygon(new float[]{
            playerX,playerY,
            playerX+32,playerY,
            playerX+32,playerY+32,
            playerX,playerY+32
      });
   }

   public void update(GameContainer container, int delta) throws SlickException {
      
      
      if (container.getInput().isKeyDown(Input.KEY_LEFT)) {
         playerX--;
         playerPoly.setX(playerX);
         if (entityCollisionWith()){
            playerX++;
            playerPoly.setX(playerX);
         }
      }
      if (container.getInput().isKeyDown(Input.KEY_RIGHT)) {

         playerX++;
         playerPoly.setX(playerX);
         if (entityCollisionWith()){
            playerX--;
            playerPoly.setX(playerX);
         }
      }
      if (container.getInput().isKeyDown(Input.KEY_SPACE)){
         playerY--;
         playerPoly.setY(playerY);

         if (entityCollisionWith()){
            playerY++;
            playerPoly.setY(playerY);
         }
         }
      if (!container.getInput().isKeyDown(Input.KEY_SPACE)){
         playerY++;
         playerPoly.setY(playerY);
         /**if(playerY>400){
            mapY--;
            if(mapY<-479){
               mapY=-480;
            }
         **/
         if (entityCollisionWith()){
            playerY--;
            playerPoly.setY(playerY);
         }
         }
         
      
   }

   public boolean entityCollisionWith() throws SlickException {
      for (int i = 0; i < BlockMap.entities.size(); i++) {
         Block entity1 = (Block) BlockMap.entities.get(i);
         if (playerPoly.intersects(entity1.poly)) {
            return true;
         }       
      }       
      return false;
   }

   public void render(GameContainer container, Graphics g)  {
      BlockMap.tmap.render(0, -480);
      g.drawAnimation(player, playerX, playerY);
      g.draw(playerPoly);

   }

   public static void main(String[] argv) throws SlickException {
      AppGameContainer container =
         new AppGameContainer(new Run(), 640, 480, false);
      container.start();
   }
}

Code:
package run.game;

import java.util.ArrayList;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.tiled.TiledMap;

public class BlockMap {
   public static TiledMap tmap;
   public int mapWidth;
   public int mapHeight;
   private int square[] = {1,1,15,1,15,15,1,15}; //square shaped tile
   public static ArrayList<Object> entities;

   public BlockMap(String ref) throws SlickException {
      entities = new ArrayList<Object>();
      tmap = new TiledMap(ref, "data");
      mapWidth = tmap.getWidth() * tmap.getTileWidth() ;
      mapHeight = tmap.getHeight() * tmap.getTileHeight();
      
      

      for (int x = 0; x < tmap.getWidth(); x++) {
         for (int y = 0; y < tmap.getHeight(); y++) {
            int tileID = tmap.getTileId(x, y, 0);
            if (tileID == 1) {
               entities.add(
                                        new Block(x * 16, y * 16, square, "square")
                                        );
            }
         }
      }
   }
}

Code:
package run.game;

import org.newdawn.slick.Graphics;
import org.newdawn.slick.geom.Polygon;

public class Block  {
   public Polygon poly;
   public Block(int x, int y, int test[],String type) {
        poly = new Polygon(new float[]{
            x+test[0], y+test[1],
            x+test[2], y+test[3],
            x+test[4], y+test[5],
            x+test[6], y+test[7],
        });   
   }

   public void update(int delta) {
   }

   public void draw(Graphics g) {
      g.draw(poly);
   }
}


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