core/src/ru/deadsoftware/cavecraft/game/GameRenderer.java

   1 package ru.deadsoftware.cavecraft.game;
   2
   3 import com.badlogic.gdx.Gdx;
   4 import com.badlogic.gdx.graphics.GL20;
   5 import com.badlogic.gdx.graphics.OrthographicCamera;
   6 import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
   7 import com.badlogic.gdx.graphics.Color;
   8 import com.badlogic.gdx.math.Rectangle;
   9 import com.badlogic.gdx.math.Vector3;
  10 import ru.deadsoftware.cavecraft.GameScreen;
  11 import ru.deadsoftware.cavecraft.game.objects.Player;
  12
  13 public class GameRenderer {
  14
  15     private GameProc gameProc;
  16
  17     public Vector3 camTargetPos;
  18     public OrthographicCamera camera;
  19     ShapeRenderer shapeRenderer;
  20
  21     public GameRenderer(GameProc gameProc) {
  22         Gdx.gl.glClearColor(0f,.6f,.6f,1f);
  23         this.gameProc = gameProc;
  24         camera = new OrthographicCamera();
  25         camera.setToOrtho(true, 320,
  26                 320*((float)GameScreen.getHeight()/GameScreen.getWidth()));
  27         camera.position.x=0;
  28         camera.position.y=0;
  29         camTargetPos = camera.position.cpy();
  30         shapeRenderer = new ShapeRenderer();
  31         shapeRenderer.setProjectionMatrix(camera.combined);
  32         shapeRenderer.setAutoShapeType(true);
  33     }
  34
  35     private void setColor(int r, int g, int b) {
  36         shapeRenderer.setColor(r/255f, g/255f, b/255f, 1f);
  37     }
  38
  39     private void fillRect(float x, float y, float w, float h) {
  40         shapeRenderer.set(ShapeRenderer.ShapeType.Filled);
  41         shapeRenderer.rect(x,y,w,h);
  42     }
  43
  44     private void drawRect(float x, float y, float w, float h) {
  45         shapeRenderer.set(ShapeRenderer.ShapeType.Line);
  46         shapeRenderer.rect(x,y,w,h);
  47     }
  48
  49     private void drawWorld() {
  50         int minX = (int) (camera.position.x/16);
  51         int minY = (int) (camera.position.y/16);
  52         int maxX = (int) ((camera.position.x+camera.viewportWidth)/16)+1;
  53         int maxY = (int) ((camera.position.y+camera.viewportHeight)/16)+1;
  54         if (minX<0) minX=0;
  55         if (minY<0) minY=0;
  56         if (maxX>=gameProc.world.getWidth()) maxX = gameProc.world.getWidth()-1;
  57         if (maxY>=gameProc.world.getHeight()) maxY = gameProc.world.getHeight()-1;
  58         for (int y=minY; y<maxY; y++) {
  59             for (int x=minX; x<maxX; x++) {
  60                 if (gameProc.world.getForeMap(x,y)>0) {
  61                     setColor(128,128,128);
  62                     fillRect(x*16-camera.position.x,
  63                             y*16-camera.position.y,16,16);
  64                     setColor(0,0,0);
  65                     drawRect(x*16-camera.position.x,
  66                             y*16-camera.position.y,16,16);
  67                 } else {
  68                     if (gameProc.world.getBackMap(x,y)>0) {
  69                         setColor(64,64,64);
  70                         fillRect(x*16-camera.position.x,
  71                                 y*16-camera.position.y,16,16);
  72                         setColor(0,0,0);
  73                         drawRect(x*16-camera.position.x,
  74                                 y*16-camera.position.y,16,16);
  75                     }
  76                 }
  77
  78             }
  79         }
  80         shapeRenderer.setColor(Color.ORANGE);
  81         drawRect(gameProc.cursorX*16-camera.position.x,
  82                 gameProc.cursorY*16-camera.position.y,16,16);
  83     }
  84
  85     private void drawPlayer(Player pl) {
  86         setColor(0,128,0);
  87         fillRect(pl.position.x - camera.position.x,
  88                 pl.position.y - camera.position.y, pl.width, pl.height);
  89     }
  90
  91     public void render() {
  92         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
  93         shapeRenderer.begin();
  94         drawWorld();
  95         drawPlayer(gameProc.player);
  96         shapeRenderer.end();
  97     }
  98
  99 }