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

   1 package ru.deadsoftware.cavedroid.game;
   2
   3 import com.badlogic.gdx.Gdx;
   4 import com.badlogic.gdx.graphics.Color;
   5 import com.badlogic.gdx.graphics.GL20;
   6 import com.badlogic.gdx.graphics.g2d.Sprite;
   7 import com.badlogic.gdx.graphics.g2d.TextureRegion;
   8 import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
   9 import com.badlogic.gdx.math.Intersector;
  10 import com.badlogic.gdx.math.MathUtils;
  11 import com.badlogic.gdx.math.Rectangle;
  12 import ru.deadsoftware.cavedroid.MainConfig;
  13 import ru.deadsoftware.cavedroid.game.mobs.Mob;
  14 import ru.deadsoftware.cavedroid.game.mobs.MobsController;
  15 import ru.deadsoftware.cavedroid.game.mobs.Player;
  16 import ru.deadsoftware.cavedroid.game.model.block.Block;
  17 import ru.deadsoftware.cavedroid.game.model.item.Item;
  18 import ru.deadsoftware.cavedroid.game.objects.Drop;
  19 import ru.deadsoftware.cavedroid.game.objects.DropController;
  20 import ru.deadsoftware.cavedroid.game.world.GameWorld;
  21 import ru.deadsoftware.cavedroid.misc.ControlMode;
  22 import ru.deadsoftware.cavedroid.misc.Renderer;
  23
  24 import javax.annotation.CheckForNull;
  25 import javax.annotation.Nullable;
  26 import javax.inject.Inject;
  27
  28 import static ru.deadsoftware.cavedroid.misc.Assets.*;
  29
  30 @GameScope
  31 public class GameRenderer extends Renderer {
  32
  33     private static final String TAG = "GameRenderer";
  34
  35     private final MainConfig mMainConfig;
  36     private final GameInput mGameInput;
  37     private final GameWorld mGameWorld;
  38     private final MobsController mMobsController;
  39     private final DropController mDropController;
  40
  41     @Inject
  42     GameRenderer(MainConfig mainConfig,
  43                  GameInput gameInput,
  44                  GameWorld gameWorld,
  45                  MobsController mobsController,
  46                  DropController dropController) {
  47         super(mainConfig.getWidth(), mainConfig.getHeight());
  48
  49         mMainConfig = mainConfig;
  50         mGameInput = gameInput;
  51         mGameWorld = gameWorld;
  52         mMobsController = mobsController;
  53         mDropController = dropController;
  54
  55         Gdx.gl.glClearColor(0f, .6f, .6f, 1f);
  56     }
  57
  58     private float drawX(int x) {
  59         return x * 16 - getCamX();
  60     }
  61
  62     private float drawY(int y) {
  63         return y * 16 - getCamY();
  64     }
  65
  66     private void drawWreck(int bl) {
  67         if (mGameInput.getBlockDamage() > 0) {
  68             int index = 10 * mGameInput.getBlockDamage() / GameItems.getBlock(bl).getHp();
  69             String key = "break_" + index;
  70
  71             if (index > 10 || index < 0) {
  72                 return;
  73             }
  74
  75             spriter.draw(textureRegions.get(key), mGameInput.getCurX() * 16 - getCamX(),
  76                     mGameInput.getCurY() * 16 - getCamY());
  77         }
  78     }
  79
  80     private void drawBlock(int x, int y, boolean drawBG) {
  81         if (drawBG) {
  82             if ((!mGameWorld.hasForeAt(x, y) || mGameWorld.getForeMapBlock(x, y).isTransparent())
  83                     && mGameWorld.hasBackAt(x, y)) {
  84                 mGameWorld.getBackMapBlock(x, y).draw(spriter, drawX(x), drawY(y));
  85                 if (!mGameWorld.hasForeAt(x, y) && x == mGameInput.getCurX() && y == mGameInput.getCurY()) {
  86                     drawWreck(mGameWorld.getBackMap(mGameInput.getCurX(), mGameInput.getCurY()));
  87                 }
  88             }
  89         }
  90         if (mGameWorld.hasForeAt(x, y) && mGameWorld.getForeMapBlock(x, y).isBackground() == drawBG) {
  91             mGameWorld.getForeMapBlock(x, y).draw(spriter, drawX(x), drawY(y));
  92             if (x == mGameInput.getCurX() && y == mGameInput.getCurY()) {
  93                 drawWreck(mGameWorld.getForeMap(mGameInput.getCurX(), mGameInput.getCurY()));
  94             }
  95         }
  96     }
  97
  98     private void drawWorld(boolean bg) {
  99         int minX = (int) (getCamX() / 16) - 1;
 100         int minY = (int) (getCamY() / 16) - 1;
 101         int maxX = (int) ((getCamX() + getWidth()) / 16) + 1;
 102         int maxY = (int) ((getCamY() + getHeight()) / 16) + 1;
 103         if (minY < 0) {
 104             minY = 0;
 105         }
 106         if (maxY > mGameWorld.getHeight()) {
 107             maxY = mGameWorld.getHeight();
 108         }
 109         for (int y = minY; y < maxY; y++) {
 110             for (int x = minX; x < maxX; x++) {
 111                 drawBlock(x, y, bg);
 112             }
 113         }
 114         if (bg) {
 115             spriter.end();
 116             Gdx.gl.glEnable(GL20.GL_BLEND);
 117             Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);
 118             shaper.begin(ShapeRenderer.ShapeType.Filled);
 119             shaper.setColor(0f, 0f, 0f, .5f);
 120             for (int y = minY; y < maxY; y++) {
 121                 for (int x = minX; x < maxX; x++) {
 122                     if ((!mGameWorld.hasForeAt(x, y) || mGameWorld.getForeMapBlock(x, y).isTransparent())
 123                             && mGameWorld.hasBackAt(x, y)) {
 124                         shaper.rect(drawX(x), drawY(y), 16, 16);
 125                     }
 126                 }
 127             }
 128             shaper.end();
 129             Gdx.gl.glDisable(GL20.GL_BLEND);
 130             spriter.begin();
 131         }
 132     }
 133
 134     private Rectangle getShiftedRectRespectfulToViewPort(final Rectangle rect, final float shift) {
 135         return new Rectangle(rect.x + shift - getCamX(), rect.y - getCamY(), rect.width, rect.height);
 136     }
 137
 138     @CheckForNull
 139     private Rectangle getDrawingRectIfInsideViewport(final Rectangle rectangle) {
 140         final Rectangle viewportRect = new Rectangle(0, 0, getWidth(), getHeight());
 141
 142         final Rectangle notShifted = getShiftedRectRespectfulToViewPort(rectangle, 0);
 143         if (Intersector.overlaps(viewportRect, notShifted)) {
 144             return notShifted;
 145         }
 146
 147         final Rectangle shiftedLeft = getShiftedRectRespectfulToViewPort(rectangle, -mGameWorld.getWidthPx());
 148         if (Intersector.overlaps(viewportRect, shiftedLeft)) {
 149             return shiftedLeft;
 150         }
 151
 152         final Rectangle shiftedRight = getShiftedRectRespectfulToViewPort(rectangle, mGameWorld.getWidthPx());
 153         if (Intersector.overlaps(viewportRect, shiftedRight)) {
 154             return shiftedRight;
 155         }
 156
 157         return null;
 158     }
 159
 160     private void drawMob(Mob mob, float delta) {
 161         float mobDrawX = mob.getX() - getCamX();
 162         float mobDrawY = mob.getY() - getCamY();
 163
 164         if (mobDrawX + mob.getWidth() < 0 && mobDrawX + mGameWorld.getWidthPx() > 0) {
 165             mobDrawX += mGameWorld.getWidthPx();
 166         } else if (mobDrawX > getWidth() && mobDrawX + mob.getWidth() - mGameWorld.getWidthPx() > 0) {
 167             mobDrawX -= mGameWorld.getWidthPx();
 168         } else if (mobDrawX + mob.getWidth() < 0 && mobDrawX > getWidth()) {
 169             return;
 170         }
 171
 172         mob.draw(spriter, mobDrawX, mobDrawY, delta);
 173     }
 174
 175     private void drawDrop(Drop drop) {
 176         if (drop.getId() <= 0) {
 177             return;
 178         }
 179
 180         @CheckForNull final Rectangle drawingRect = getDrawingRectIfInsideViewport(drop);
 181
 182         if (drawingRect == null) {
 183             return;
 184         }
 185
 186         final Item item = GameItems.getItem(drop.getId());
 187         final Sprite sprite = item.getSprite();
 188
 189         sprite.setPosition(drawingRect.x, drawingRect.y);
 190         sprite.setSize(drawingRect.width, drawingRect.height);
 191         sprite.draw(spriter);
 192     }
 193
 194     @SuppressWarnings("IntegerDivisionInFloatingPointContext")
 195     private void drawCreative() {
 196         TextureRegion creative = textureRegions.get("creative");
 197         float x = getWidth() / 2 - (float) creative.getRegionWidth() / 2;
 198         float y = getHeight() / 2 - (float) creative.getRegionHeight() / 2;
 199         spriter.draw(creative, x, y);
 200         spriter.draw(textureRegions.get("handle"), x + 156,
 201                 y + 18 + (mGameInput.getCreativeScroll() * (72f / GameProc.MAX_CREATIVE_SCROLL)));
 202         for (int i = mGameInput.getCreativeScroll() * 8; i < mGameInput.getCreativeScroll() * 8 + 40; i++) {
 203             if (i > 0 && i < GameItems.getItemsSize()) {
 204                 spriter.draw(GameItems.getItem(i).getSprite(),
 205                         x + 8 + ((i - mGameInput.getCreativeScroll() * 8) % 8) * 18,
 206                         y + 18 + ((i - mGameInput.getCreativeScroll() * 8) / 8) * 18);
 207             }
 208         }
 209         for (int i = 0; i < 9; i++) {
 210             if (mMobsController.getPlayer().inventory[i] > 0) {
 211                 spriter.draw(GameItems.getItem(mMobsController.getPlayer().inventory[i]).getSprite(),
 212                         x + 8 + i * 18, y + creative.getRegionHeight() - 24);
 213             }
 214         }
 215
 216     }
 217
 218     private void drawHealth(float x, float y) {
 219         Player player = mMobsController.getPlayer();
 220
 221         if (player.gameMode == 1) {
 222             return;
 223         }
 224
 225         TextureRegion wholeHeart = textureRegions.get("heart_whole");
 226         TextureRegion halfHeart = textureRegions.get("heart_half");
 227
 228         int wholeHearts = player.getHealth() / 2;
 229
 230         for (int i = 0; i < wholeHearts; i++) {
 231             spriter.draw(wholeHeart, x + i * wholeHeart.getRegionWidth(), y);
 232         }
 233
 234         if (player.getHealth() % 2 == 1) {
 235             spriter.draw(halfHeart, x + wholeHearts * wholeHeart.getRegionWidth(), y);
 236         }
 237     }
 238
 239     private void drawGUI() {
 240         TextureRegion cursor = textureRegions.get("cursor");
 241         TextureRegion hotbar = textureRegions.get("hotbar");
 242         TextureRegion hotbarSelector = textureRegions.get("hotbar_selector");
 243
 244         if (mGameWorld.hasForeAt(mGameInput.getCurX(), mGameInput.getCurY()) ||
 245                 mGameWorld.hasBackAt(mGameInput.getCurX(), mGameInput.getCurY()) ||
 246                 mGameInput.getControlMode() == ControlMode.CURSOR || mMainConfig.isTouch()) {
 247             spriter.draw(cursor, mGameInput.getCurX() * 16 - getCamX(), mGameInput.getCurY() * 16 - getCamY());
 248         }
 249
 250         float hotbarX = getWidth() / 2 - (float) hotbar.getRegionWidth() / 2;
 251         spriter.draw(hotbar, hotbarX, 0);
 252         drawHealth(hotbarX, hotbar.getRegionHeight());
 253
 254         for (int i = 0; i < 9; i++) {
 255             if (mMobsController.getPlayer().inventory[i] > 0) {
 256                 spriter.draw(GameItems.getItem(mMobsController.getPlayer().inventory[i]).getSprite(),
 257                         getWidth() / 2 - (float) hotbar.getRegionWidth() / 2 + 3 + i * 20,
 258                         3);
 259             }
 260         }
 261         spriter.draw(hotbarSelector,
 262                 getWidth() / 2 - (float) hotbar.getRegionWidth() / 2 - 1 + 20 * mMobsController.getPlayer().slot,
 263                 -1);
 264     }
 265
 266     private void drawTouchGui() {
 267         for (int i = 0; i < guiMap.size; i++) {
 268             Rectangle touchKey = guiMap.getValueAt(i).getRect();
 269             spriter.draw(textureRegions.get(guiMap.getKeyAt(i)),
 270                     touchKey.x, touchKey.y, touchKey.width, touchKey.height);
 271         }
 272         if (mGameInput.getControlMode() == ControlMode.CURSOR) {
 273             spriter.draw(textureRegions.get("shade"), 83, getHeight() - 21);
 274         }
 275     }
 276
 277     private void drawGamePlay(float delta) {
 278         Player player = mMobsController.getPlayer();
 279
 280         drawWorld(true);
 281         player.draw(spriter, player.getX() - getCamX() - player.getWidth() / 2, player.getY() - getCamY(), delta);
 282         mMobsController.getMobs().forEach((mob) -> {
 283             drawMob(mob, delta);
 284         });
 285         mDropController.forEach(this::drawDrop);
 286         drawWorld(false);
 287         drawGUI();
 288     }
 289
 290     private void updateCameraPosition() {
 291         Player player = mMobsController.getPlayer();
 292         setCamPos(player.getX() + player.getWidth() / 2 - getWidth() / 2,
 293                 player.getY() + player.getHeight() / 2 - getHeight() / 2);
 294     }
 295
 296     @Nullable
 297     private Color getMinimapColor(int x, int y) {
 298         @Nullable Color result = null;
 299
 300         final boolean hasForeMap = mGameWorld.hasForeAt(x, y);
 301         final boolean hasBackMap = mGameWorld.hasBackAt(x, y);
 302
 303         if (hasForeMap) {
 304             final Block block = mGameWorld.getForeMapBlock(x, y);
 305
 306             if (GameItems.isWater(block)) {
 307                 result = Color.BLUE;
 308             } else if (GameItems.isLava(block)) {
 309                 result = Color.RED;
 310             } else {
 311                 result = Color.BLACK;
 312             }
 313         } else if (hasBackMap) {
 314             result = Color.DARK_GRAY;
 315         }
 316
 317         return result;
 318     }
 319
 320     private void drawMiniMap(float miniMapX, float miniMapY, float size) {
 321         shaper.begin(ShapeRenderer.ShapeType.Filled);
 322
 323         shaper.setColor(Color.LIGHT_GRAY);
 324         shaper.rect(miniMapX, miniMapY, size, size);
 325
 326         for (int x = 0; x < size; x++) {
 327             for (int y = 0; y < size; y++) {
 328
 329                 final int worldX = (int) (mMobsController.getPlayer().getMapX() - size / 2 + x);
 330                 final int worldY = (int) (mMobsController.getPlayer().getUpperMapY() - size / 2 + y);
 331
 332                 @Nullable final Color color = getMinimapColor(worldX, worldY);
 333
 334                 if (color != null) {
 335                     shaper.setColor(color);
 336                     shaper.rect(miniMapX + x, miniMapY + y, 1, 1);
 337                 }
 338             }
 339         }
 340
 341         shaper.setColor(Color.OLIVE);
 342         shaper.rect(miniMapX + size / 2, miniMapY + size / 2, 1, 2);
 343         shaper.end();
 344     }
 345
 346     @Override
 347     public void render(float delta) {
 348         int fps = MathUtils.ceil(1 / delta);
 349         updateCameraPosition();
 350         mGameInput.moveCursor(this);
 351
 352         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 353
 354         spriter.begin();
 355
 356         drawGamePlay(delta);
 357
 358         switch (mMainConfig.getGameUiWindow()) {
 359             case CREATIVE_INVENTORY:
 360                 drawCreative();
 361                 break;
 362             //TODO draw other ui windows
 363         }
 364
 365
 366         if (mMainConfig.isTouch()) {
 367             drawTouchGui();
 368         }
 369
 370         spriter.end();
 371
 372         if (mMainConfig.isShowMap()) {
 373             drawMiniMap(getWidth() - 64f - 24f, 24f, 64f);
 374         }
 375
 376         if (mMainConfig.isShowInfo()) {
 377             spriter.begin();
 378             Player player = mMobsController.getPlayer();
 379             drawString("FPS: " + fps, 0, 0);
 380             drawString("X: " + player.getMapX(), 0, 10);
 381             drawString("Y: " + player.getUpperMapY(), 0, 20);
 382             drawString("CurX: " + mGameInput.getCurX(), 0, 30);
 383             drawString("CurY: " + mGameInput.getCurY(), 0, 40);
 384             drawString("Velocity: " + player.getVelocity(), 0, 50);
 385             drawString("Swim: " + player.swim, 0, 60);
 386             drawString("Mobs: " + mMobsController.getMobs().size(), 0, 70);
 387             drawString("Drops: " + mDropController.getSize(), 0, 80);
 388             drawString("Block: " + GameItems.getBlockKey(mGameWorld.getForeMap(mGameInput.getCurX(), mGameInput.getCurY())), 0, 90);
 389             drawString("Hand: " + GameItems.getItemKey(mMobsController.getPlayer().inventory[mMobsController.getPlayer().slot]), 0, 100);
 390             drawString("Game mode: " + player.gameMode, 0, 110);
 391             drawString("Check swim: " + GameItems.isFluid(mGameWorld.getForeMap(player.getMapX(), player.getLowerMapY())), 0, 120);
 392             spriter.end();
 393         }
 394
 395     }
 396
 397 }