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.Vector3;
  10 import ru.deadsoftware.cavecraft.Assets;
  11 import ru.deadsoftware.cavecraft.Items;
  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                     spriteBatch.draw(
  67                             Items.BLOCKS.getValueAt(gameProc.world.getForeMap(x,y)).getTexture(),
  68                             x * 16 - camera.position.x,y * 16 - camera.position.y);
  69                 } else if (gameProc.world.getBackMap(x,y)>0) {
  70                     spriteBatch.draw(
  71                             Items.BLOCKS.getValueAt(gameProc.world.getBackMap(x,y)).getTexture(),
  72                             x * 16 - camera.position.x,y * 16 - camera.position.y);
  73                     Assets.shade.setPosition(x * 16 - camera.position.x,y * 16 - camera.position.y);
  74                     Assets.shade.draw(spriteBatch);
  75                 }
  76             }
  77         }
  78     }
  79
  80     private void drawPlayer(Player pl) {
  81         Assets.playerSprite[pl.dir].setPosition(pl.position.x - camera.position.x,
  82                 pl.position.y - camera.position.y);
  83         Assets.playerSprite[pl.dir].draw(spriteBatch);
  84     }
  85
  86     private void drawGUI() {
  87         spriteBatch.draw(Assets.invBar, camera.viewportWidth/2 - Assets.invBar.getRegionWidth()/2,
  88                 camera.viewportHeight - Assets.invBar.getRegionHeight());
  89         for (int i=0; i<8; i++) {
  90             if (gameProc.player.inventory[i]>0) {
  91                 spriteBatch.draw(Items.BLOCKS.getValueAt(gameProc.player.inventory[i]).getTexture(),
  92                         camera.viewportWidth/2 - Assets.invBar.getRegionWidth()/2+3+i*20,
  93                         camera.viewportHeight-19);
  94             }
  95         }
  96         spriteBatch.draw(Assets.invCur,
  97                 camera.viewportWidth/2 - Assets.invBar.getRegionWidth()/2 - 1 + 20*gameProc.invSlot,
  98                 camera.viewportHeight - Assets.invBar.getRegionHeight() - 2);
  99     }
 100
 101     public void render() {
 102         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 103         spriteBatch.begin();
 104         drawWorld();
 105         drawPlayer(gameProc.player);
 106         drawGUI();
 107         spriteBatch.end();
 108         shapeRenderer.begin(ShapeRenderer.ShapeType.Line);
 109         shapeRenderer.setColor(Color.ORANGE);
 110         drawRect(gameProc.cursorX*16-camera.position.x,
 111                 gameProc.cursorY*16-camera.position.y,16,16);
 112         shapeRenderer.end();
 113     }
 114
 115 }