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.GameScreen;
  13 import ru.deadsoftware.cavecraft.game.objects.Player;
  14
  15 public class GameRenderer {
  16
  17     private GameProc gameProc;
  18
  19     public Vector3 camTargetPos;
  20     public OrthographicCamera camera;
  21     ShapeRenderer shapeRenderer;
  22     SpriteBatch spriteBatch;
  23
  24     public GameRenderer(GameProc gameProc) {
  25         Gdx.gl.glClearColor(0f,.6f,.6f,1f);
  26         this.gameProc = gameProc;
  27         camera = new OrthographicCamera();
  28         camera.setToOrtho(true, 360,
  29                 360*((float)GameScreen.getHeight()/GameScreen.getWidth()));
  30         camera.position.x=0;
  31         camera.position.y=0;
  32         camTargetPos = camera.position.cpy();
  33         shapeRenderer = new ShapeRenderer();
  34         shapeRenderer.setProjectionMatrix(camera.combined);
  35         shapeRenderer.setAutoShapeType(true);
  36         spriteBatch = new SpriteBatch();
  37         spriteBatch.setProjectionMatrix(camera.combined);
  38     }
  39
  40     private void setColor(int r, int g, int b) {
  41         shapeRenderer.setColor(r/255f, g/255f, b/255f, 1f);
  42     }
  43
  44     private void fillRect(float x, float y, float w, float h) {
  45         shapeRenderer.set(ShapeRenderer.ShapeType.Filled);
  46         shapeRenderer.rect(x,y,w,h);
  47     }
  48
  49     private void drawRect(float x, float y, float w, float h) {
  50         shapeRenderer.set(ShapeRenderer.ShapeType.Line);
  51         shapeRenderer.rect(x,y,w,h);
  52     }
  53
  54     private void drawWorld() {
  55         int minX = (int) (camera.position.x/16);
  56         int minY = (int) (camera.position.y/16);
  57         int maxX = (int) ((camera.position.x+camera.viewportWidth)/16)+1;
  58         int maxY = (int) ((camera.position.y+camera.viewportHeight)/16)+1;
  59         if (minX<0) minX=0;
  60         if (minY<0) minY=0;
  61         if (maxX>gameProc.world.getWidth()) maxX = gameProc.world.getWidth();
  62         if (maxY>gameProc.world.getHeight()) maxY = gameProc.world.getHeight();
  63         for (int y=minY; y<maxY; y++) {
  64             for (int x=minX; x<maxX; x++) {
  65                 if (gameProc.world.getForeMap(x,y)>0) {
  66                     setColor(128,128,128);
  67                     fillRect(x*16-camera.position.x,
  68                             y*16-camera.position.y,16,16);
  69                     setColor(0,0,0);
  70                     drawRect(x*16-camera.position.x,
  71                             y*16-camera.position.y,16,16);
  72                 } else {
  73                     if (gameProc.world.getBackMap(x,y)>0) {
  74                         setColor(64,64,64);
  75                         fillRect(x*16-camera.position.x,
  76                                 y*16-camera.position.y,16,16);
  77                         setColor(0,0,0);
  78                         drawRect(x*16-camera.position.x,
  79                                 y*16-camera.position.y,16,16);
  80                     }
  81                 }
  82
  83             }
  84         }
  85         shapeRenderer.setColor(Color.ORANGE);
  86         drawRect(gameProc.cursorX*16-camera.position.x,
  87                 gameProc.cursorY*16-camera.position.y,16,16);
  88     }
  89
  90     private void drawPlayer(Player pl) {
  91         spriteBatch.begin();
  92         Assets.playerSprite[pl.dir].setPosition(pl.position.x - camera.position.x,
  93                 pl.position.y - camera.position.y);
  94         Assets.playerSprite[pl.dir].draw(spriteBatch);
  95         spriteBatch.end();
  96     }
  97
  98     public void render() {
  99         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 100         shapeRenderer.begin();
 101         drawWorld();
 102         shapeRenderer.end();
 103         drawPlayer(gameProc.player);
 104     }
 105
 106 }