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.g2d.SpriteBatch;
   7 import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
   8 import com.badlogic.gdx.graphics.Color;
   9 import com.badlogic.gdx.math.Rectangle;
  10 import com.badlogic.gdx.math.Vector3;
  11 import ru.deadsoftware.cavecraft.Assets;
  12 import ru.deadsoftware.cavecraft.BlocksLoader;
  13 import ru.deadsoftware.cavecraft.GameScreen;
  14 import ru.deadsoftware.cavecraft.game.objects.Player;
  15
  16 public class GameRenderer {
  17
  18     private GameProc gameProc;
  19
  20     public Vector3 camTargetPos;
  21     public OrthographicCamera camera;
  22     ShapeRenderer shapeRenderer;
  23     SpriteBatch spriteBatch;
  24
  25     public GameRenderer(GameProc gameProc) {
  26         Gdx.gl.glClearColor(0f,.6f,.6f,1f);
  27         this.gameProc = gameProc;
  28         camera = new OrthographicCamera();
  29         camera.setToOrtho(true, 360,
  30                 360*((float)GameScreen.getHeight()/GameScreen.getWidth()));
  31         camera.position.x=0;
  32         camera.position.y=0;
  33         camTargetPos = camera.position.cpy();
  34         shapeRenderer = new ShapeRenderer();
  35         shapeRenderer.setProjectionMatrix(camera.combined);
  36         shapeRenderer.setAutoShapeType(true);
  37         spriteBatch = new SpriteBatch();
  38         spriteBatch.setProjectionMatrix(camera.combined);
  39     }
  40
  41     private void setColor(int r, int g, int b) {
  42         shapeRenderer.setColor(r/255f, g/255f, b/255f, 1f);
  43     }
  44
  45     private void fillRect(float x, float y, float w, float h) {
  46         shapeRenderer.set(ShapeRenderer.ShapeType.Filled);
  47         shapeRenderer.rect(x,y,w,h);
  48     }
  49
  50     private void drawRect(float x, float y, float w, float h) {
  51         shapeRenderer.set(ShapeRenderer.ShapeType.Line);
  52         shapeRenderer.rect(x,y,w,h);
  53     }
  54
  55     private void drawWorld() {
  56         int minX = (int) (camera.position.x/16);
  57         int minY = (int) (camera.position.y/16);
  58         int maxX = (int) ((camera.position.x+camera.viewportWidth)/16)+1;
  59         int maxY = (int) ((camera.position.y+camera.viewportHeight)/16)+1;
  60         if (minX<0) minX=0;
  61         if (minY<0) minY=0;
  62         if (maxX>gameProc.world.getWidth()) maxX = gameProc.world.getWidth();
  63         if (maxY>gameProc.world.getHeight()) maxY = gameProc.world.getHeight();
  64         for (int y=minY; y<maxY; y++) {
  65             for (int x=minX; x<maxX; x++) {
  66                 if (gameProc.world.getForeMap(x,y)>0) {
  67                     spriteBatch.draw(
  68                             BlocksLoader.BLOCKS.getValueAt(gameProc.world.getForeMap(x,y)).getTexture(),
  69                             x * 16 - camera.position.x,y * 16 - camera.position.y);
  70                 } else if (gameProc.world.getBackMap(x,y)>0) {
  71                     spriteBatch.draw(
  72                             BlocksLoader.BLOCKS.getValueAt(gameProc.world.getBackMap(x,y)).getTexture(),
  73                             x * 16 - camera.position.x,y * 16 - camera.position.y);
  74                     Assets.shade.setPosition(x * 16 - camera.position.x,y * 16 - camera.position.y);
  75                     Assets.shade.draw(spriteBatch);
  76                 }
  77             }
  78         }
  79     }
  80
  81     private void drawPlayer(Player pl) {
  82         Assets.playerSprite[pl.dir].setPosition(pl.position.x - camera.position.x,
  83                 pl.position.y - camera.position.y);
  84         Assets.playerSprite[pl.dir].draw(spriteBatch);
  85     }
  86
  87     public void render() {
  88         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
  89         spriteBatch.begin();
  90         drawWorld();
  91         drawPlayer(gameProc.player);
  92         spriteBatch.end();
  93         shapeRenderer.begin(ShapeRenderer.ShapeType.Line);
  94         shapeRenderer.setColor(Color.ORANGE);
  95         drawRect(gameProc.cursorX*16-camera.position.x,
  96                 gameProc.cursorY*16-camera.position.y,16,16);
  97         shapeRenderer.end();
  98     }
  99
 100 }