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.glutils.ShapeRenderer;
   6 import ru.deadsoftware.cavecraft.CaveGame;
   7 import ru.deadsoftware.cavecraft.GameScreen;
   8 import ru.deadsoftware.cavecraft.game.mobs.Mob;
   9 import ru.deadsoftware.cavecraft.game.objects.Drop;
  10 import ru.deadsoftware.cavecraft.misc.Assets;
  11 import ru.deadsoftware.cavecraft.misc.Renderer;
  12
  13 import static ru.deadsoftware.cavecraft.GameScreen.GP;
  14
  15 public class GameRenderer extends Renderer {
  16
  17     GameRenderer(float width, float height) {
  18         super(width, height);
  19         Gdx.gl.glClearColor(0f, .6f, .6f, 1f);
  20     }
  21
  22     private float drawX(int x) {
  23         return x * 16 - getCamX();
  24     }
  25
  26     private float drawY(int y) {
  27         return y * 16 - getCamY();
  28     }
  29
  30     private void drawWreck(int bl) {
  31         if (GP.blockDmg > 0) {
  32             spriter.draw(Assets.wreck[
  33                             10 * GP.blockDmg /
  34                                     GameItems.getBlock(bl).getHp()],
  35                     GP.curX * 16 - getCamX(),
  36                     GP.curY * 16 - getCamY());
  37         }
  38     }
  39
  40     private void drawBlock(int x, int y, boolean drawBG) {
  41         if (drawBG) {
  42             if ((GP.world.getForeMap(x, y) == 0 || GameItems.getBlock(GP.world.getForeMap(x, y)).isTransparent())
  43                     && GP.world.getBackMap(x, y) > 0) {
  44                 spriter.draw(
  45                         Assets.blockTex[GameItems.getBlock(GP.world.getBackMap(x, y)).getTex()],
  46                         drawX(x), drawY(y));
  47                 if (GP.world.getForeMap(x, y) == 0 && x == GP.curX && y == GP.curY)
  48                     drawWreck(GP.world.getBackMap(GP.curX, GP.curY));
  49             }
  50         }
  51         if (GP.world.getForeMap(x, y) > 0 && GameItems.getBlock(GP.world.getForeMap(x, y)).isBackground() == drawBG) {
  52             spriter.draw(
  53                     Assets.blockTex[GameItems.getBlock(GP.world.getForeMap(x, y)).getTex()],
  54                     drawX(x), drawY(y));
  55             if (x == GP.curX && y == GP.curY)
  56                 drawWreck(GP.world.getForeMap(GP.curX, GP.curY));
  57         }
  58     }
  59
  60     private void drawWorld(boolean bg) {
  61         int minX = (int) (getCamX() / 16) - 1;
  62         int minY = (int) (getCamY() / 16) - 1;
  63         int maxX = (int) ((getCamX() + getWidth()) / 16) + 1;
  64         int maxY = (int) ((getCamY() + getHeight()) / 16) + 1;
  65         if (minY < 0) minY = 0;
  66         if (maxY > GP.world.getHeight()) maxY = GP.world.getHeight();
  67         for (int y = minY; y < maxY; y++) {
  68             for (int x = minX; x < maxX; x++) {
  69                 drawBlock(x, y, bg);
  70             }
  71         }
  72         if (bg) {
  73             spriter.end();
  74             Gdx.gl.glEnable(GL20.GL_BLEND);
  75             Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);
  76             shaper.begin(ShapeRenderer.ShapeType.Filled);
  77             shaper.setColor(0f, 0f, 0f, .5f);
  78             for (int y = minY; y < maxY; y++) {
  79                 for (int x = minX; x < maxX; x++) {
  80                     if ((GP.world.getForeMap(x, y) == 0 || GameItems.getBlock(GP.world.getForeMap(x, y)).isTransparent())
  81                             && GP.world.getBackMap(x, y) > 0) shaper.rect(drawX(x), drawY(y), 16, 16);
  82                 }
  83             }
  84             shaper.end();
  85             Gdx.gl.glDisable(GL20.GL_BLEND);
  86             spriter.begin();
  87         }
  88     }
  89
  90     private void drawMob(Mob mob) {
  91         float mobDrawX = mob.pos.x - getCamX();
  92         float mobDrawY = mob.pos.y - getCamY();
  93
  94         if (mobDrawX + mob.getWidth() - GP.world.getWidthPx() >= 0 && mobDrawX - GP.world.getWidthPx() <= getWidth())
  95             mob.draw(spriter, mobDrawX - GP.world.getWidthPx(), mobDrawY);
  96
  97         if (mobDrawX + mob.getWidth() >= 0 && mobDrawX <= getWidth())
  98             mob.draw(spriter, mobDrawX, mobDrawY);
  99
 100         if (mobDrawX + mob.getWidth() + GP.world.getWidthPx() >= 0 && mobDrawX + GP.world.getWidthPx() <= getWidth())
 101             mob.draw(spriter, mobDrawX + GP.world.getWidthPx(), mobDrawY);
 102     }
 103
 104     private void drawDrop(Drop drop) {
 105         switch (GameItems.getItem(drop.getId()).getType()) {
 106             case 0:
 107                 Assets.blockTex[GameItems.getItem(drop.getId()).getTex()].setPosition(
 108                         drop.pos.x - getCamX() - GP.world.getWidthPx(),
 109                         drop.pos.y - getCamY());
 110                 Assets.blockTex[GameItems.getItem(drop.getId()).getTex()].draw(spriter);
 111                 Assets.blockTex[GameItems.getItem(drop.getId()).getTex()].setPosition(
 112                         drop.pos.x - getCamX(),
 113                         drop.pos.y - getCamY());
 114                 Assets.blockTex[GameItems.getItem(drop.getId()).getTex()].draw(spriter);
 115                 Assets.blockTex[GameItems.getItem(drop.getId()).getTex()].setPosition(
 116                         drop.pos.x - getCamX() + GP.world.getWidthPx(),
 117                         drop.pos.y - getCamY());
 118                 Assets.blockTex[GameItems.getItem(drop.getId()).getTex()].draw(spriter);
 119         }
 120     }
 121
 122     @SuppressWarnings("IntegerDivisionInFloatingPointContext")
 123     private void drawCreative() {
 124         float x = getWidth() / 2 - (float) Assets.creativeInv.getRegionWidth() / 2;
 125         float y = getHeight() / 2 - (float) Assets.creativeInv.getRegionHeight() / 2;
 126         spriter.draw(Assets.creativeInv, x, y);
 127         spriter.draw(Assets.creativeScr, x + 156,
 128                 y + 18 + (GP.creativeScroll * (72f / GP.maxCreativeScroll)));
 129         for (int i = GP.creativeScroll * 8; i < GP.creativeScroll * 8 + 40; i++) {
 130             if (i > 0 && i < GameItems.getItemsSize())
 131                 switch (GameItems.getItem(i).getType()) {
 132                     case 0:
 133                         spriter.draw(Assets.blockTex[GameItems.getItem(i).getTex()],
 134                                 x + 8 + ((i - GP.creativeScroll * 8) % 8) * 18,
 135                                 y + 18 + ((i - GP.creativeScroll * 8) / 8) * 18);
 136                         break;
 137                     case 1:
 138                         spriter.draw(Assets.itemTex[GameItems.getItem(i).getTex()],
 139                                 x + 8 + ((i - GP.creativeScroll * 8) % 8) * 18,
 140                                 y + 18 + ((i - GP.creativeScroll * 8) / 8) * 18);
 141                         break;
 142                 }
 143         }
 144         for (int i = 0; i < 9; i++) {
 145             if (GP.player.inv[i] > 0)
 146                 switch (GameItems.getItem(GP.player.inv[i]).getType()) {
 147                     case 0:
 148                         spriter.draw(Assets.blockTex[GameItems.getItem(GP.player.inv[i]).getTex()],
 149                                 x + 8 + i * 18, y + Assets.creativeInv.getRegionHeight() - 24);
 150                         break;
 151                     case 1:
 152                         spriter.draw(Assets.itemTex[GameItems.getItem(GP.player.inv[i]).getTex()],
 153                                 x + 8 + i * 18, y + Assets.creativeInv.getRegionHeight() - 24);
 154                         break;
 155                 }
 156         }
 157     }
 158
 159     private void drawGUI() {
 160         if (GP.world.getForeMap(GP.curX, GP.curY) > 0 ||
 161                 GP.world.getBackMap(GP.curX, GP.curY) > 0 ||
 162                 GP.ctrlMode == 1 ||
 163                 !CaveGame.TOUCH)
 164             spriter.draw(Assets.guiCur,
 165                     GP.curX * 16 - getCamX(),
 166                     GP.curY * 16 - getCamY());
 167         spriter.draw(Assets.invBar, getWidth() / 2 - (float) Assets.invBar.getRegionWidth() / 2, 0);
 168         for (int i = 0; i < 9; i++) {
 169             if (GP.player.inv[i] > 0) {
 170                 switch (GameItems.getItem(GP.player.inv[i]).getType()) {
 171                     case 0:
 172                         spriter.draw(Assets.blockTex[GameItems.getItem(GP.player.inv[i]).getTex()],
 173                                 getWidth() / 2 - (float) Assets.invBar.getRegionWidth() / 2 + 3 + i * 20,
 174                                 3);
 175                         break;
 176                     case 1:
 177                         spriter.draw(Assets.itemTex[GameItems.getItem(GP.player.inv[i]).getTex()],
 178                                 getWidth() / 2 - (float) Assets.invBar.getRegionWidth() / 2 + 3 + i * 20,
 179                                 3);
 180                         break;
 181                 }
 182             }
 183         }
 184         spriter.draw(Assets.invBarCur,
 185                 getWidth() / 2 - (float) Assets.invBar.getRegionWidth() / 2 - 1 + 20 * GP.player.invSlot,
 186                 -1);
 187     }
 188
 189     private void drawTouchGui() {
 190         spriter.draw(Assets.touchArrows[0], 26, getHeight() - 52);
 191         spriter.draw(Assets.touchArrows[1], 0, getHeight() - 26);
 192         spriter.draw(Assets.touchArrows[2], 26, getHeight() - 26);
 193         spriter.draw(Assets.touchArrows[3], 52, getHeight() - 26);
 194         spriter.draw(Assets.touchLMB, getWidth() - 52, getHeight() - 26);
 195         spriter.draw(Assets.touchRMB, getWidth() - 26, getHeight() - 26);
 196         spriter.draw(Assets.touchMode, 78, getHeight() - 26);
 197         if (GP.ctrlMode == 1) {
 198             Assets.shade.setPosition(83, getHeight() - 21);
 199             Assets.shade.draw(spriter);
 200         }
 201     }
 202
 203     private void drawGamePlay() {
 204         drawWorld(true);
 205         GP.player.draw(spriter, GP.player.pos.x - getCamX() - 2, GP.player.pos.y - getCamY());
 206         for (Mob mob : GP.mobs) drawMob(mob);
 207         for (Drop drop : GP.drops) drawDrop(drop);
 208         drawWorld(false);
 209         drawGUI();
 210     }
 211
 212     @Override
 213     public void render() {
 214         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 215
 216         spriter.begin();
 217         switch (CaveGame.STATE) {
 218             case GAME_PLAY:
 219                 drawGamePlay();
 220                 break;
 221             case GAME_CREATIVE_INV:
 222                 drawGamePlay();
 223                 drawCreative();
 224                 break;
 225         }
 226
 227         if (CaveGame.TOUCH) drawTouchGui();
 228
 229         if (GameScreen.SHOW_DEBUG) {
 230             drawString("FPS: " + GameScreen.FPS, 0, 0);
 231             drawString("X: " + (int) (GP.player.pos.x / 16), 0, 10);
 232             drawString("Y: " + (int) (GP.player.pos.y / 16), 0, 20);
 233             drawString("CurX: " + GP.curX, 0, 30);
 234             drawString("CurY: " + GP.curY, 0, 40);
 235             drawString("Mobs: " + GP.mobs.size(), 0, 50);
 236             drawString("Drops: " + GP.drops.size(), 0, 60);
 237             drawString("Block: " + GameItems.getBlockKey(GP.world.getForeMap(GP.curX, GP.curY)), 0, 70);
 238             drawString("Game mode: " + GP.player.gameMode, 0, 80);
 239         }
 240         spriter.end();
 241     }
 242
 243 }