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.Rectangle;
  11 import com.badlogic.gdx.math.Vector2;
  12 import com.badlogic.gdx.scenes.scene2d.utils.ScissorStack;
  13 import ru.deadsoftware.cavedroid.MainConfig;
  14 import ru.deadsoftware.cavedroid.game.mobs.Mob;
  15 import ru.deadsoftware.cavedroid.game.mobs.MobsController;
  16 import ru.deadsoftware.cavedroid.game.mobs.Player;
  17 import ru.deadsoftware.cavedroid.game.objects.Block;
  18 import ru.deadsoftware.cavedroid.game.objects.Drop;
  19 import ru.deadsoftware.cavedroid.game.objects.DropController;
  20 import ru.deadsoftware.cavedroid.game.objects.Item;
  21 import ru.deadsoftware.cavedroid.game.world.GameWorld;
  22 import ru.deadsoftware.cavedroid.misc.ControlMode;
  23 import ru.deadsoftware.cavedroid.misc.Renderer;
  24 import ru.deadsoftware.cavedroid.misc.utils.SpriteUtilsKt;
  25
  26 import javax.annotation.CheckForNull;
  27 import javax.annotation.Nullable;
  28 import javax.inject.Inject;
  29
  30 import static ru.deadsoftware.cavedroid.misc.Assets.*;
  31
  32 @GameScope
  33 public class GameRenderer extends Renderer {
  34
  35     private static final String TAG = "GameRenderer";
  36
  37     private final MainConfig mMainConfig;
  38     private final GameInput mGameInput;
  39     private final GameWorld mGameWorld;
  40     private final MobsController mMobsController;
  41     private final DropController mDropController;
  42
  43     @Inject
  44     GameRenderer(MainConfig mainConfig,
  45                  GameInput gameInput,
  46                  GameWorld gameWorld,
  47                  MobsController mobsController,
  48                  DropController dropController) {
  49         super(mainConfig.getWidth(), mainConfig.getHeight());
  50
  51         mMainConfig = mainConfig;
  52         mGameInput = gameInput;
  53         mGameWorld = gameWorld;
  54         mMobsController = mobsController;
  55         mDropController = dropController;
  56
  57         Gdx.gl.glClearColor(0f, .6f, .6f, 1f);
  58     }
  59
  60     private float drawX(int x) {
  61         return x * 16 - getCamX();
  62     }
  63
  64     private float drawY(int y) {
  65         return y * 16 - getCamY();
  66     }
  67
  68     private void drawWreck(int bl) {
  69         if (mGameInput.getBlockDamage() > 0) {
  70             int index = 10 * mGameInput.getBlockDamage() / GameItems.getBlock(bl).getHp();
  71             String key = "break_" + index;
  72
  73             if (index > 10 || index < 0) {
  74                 return;
  75             }
  76
  77             spriter.draw(textureRegions.get(key), mGameInput.getCurX() * 16 - getCamX(),
  78                     mGameInput.getCurY() * 16 - getCamY());
  79         }
  80     }
  81
  82     private void drawBlock(int x, int y, boolean drawBG) {
  83         if (drawBG) {
  84             if ((!mGameWorld.hasForeAt(x, y) || mGameWorld.getForeMapBlock(x, y).isTransparent())
  85                     && mGameWorld.hasBackAt(x, y)) {
  86                 mGameWorld.getBackMapBlock(x, y).draw(spriter, drawX(x), drawY(y));
  87                 if (!mGameWorld.hasForeAt(x, y) && x == mGameInput.getCurX() && y == mGameInput.getCurY()) {
  88                     drawWreck(mGameWorld.getBackMap(mGameInput.getCurX(), mGameInput.getCurY()));
  89                 }
  90             }
  91         }
  92         if (mGameWorld.hasForeAt(x, y) && mGameWorld.getForeMapBlock(x, y).isBackground() == drawBG) {
  93             mGameWorld.getForeMapBlock(x, y).draw(spriter, drawX(x), drawY(y));
  94             if (x == mGameInput.getCurX() && y == mGameInput.getCurY()) {
  95                 drawWreck(mGameWorld.getForeMap(mGameInput.getCurX(), mGameInput.getCurY()));
  96             }
  97         }
  98     }
  99
 100     private void drawWorld(boolean bg) {
 101         int minX = (int) (getCamX() / 16) - 1;
 102         int minY = (int) (getCamY() / 16) - 1;
 103         int maxX = (int) ((getCamX() + getWidth()) / 16) + 1;
 104         int maxY = (int) ((getCamY() + getHeight()) / 16) + 1;
 105         if (minY < 0) {
 106             minY = 0;
 107         }
 108         if (maxY > mGameWorld.getHeight()) {
 109             maxY = mGameWorld.getHeight();
 110         }
 111         for (int y = minY; y < maxY; y++) {
 112             for (int x = minX; x < maxX; x++) {
 113                 drawBlock(x, y, bg);
 114             }
 115         }
 116         if (bg) {
 117             spriter.end();
 118             Gdx.gl.glEnable(GL20.GL_BLEND);
 119             Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);
 120             shaper.begin(ShapeRenderer.ShapeType.Filled);
 121             shaper.setColor(0f, 0f, 0f, .5f);
 122             for (int y = minY; y < maxY; y++) {
 123                 for (int x = minX; x < maxX; x++) {
 124                     if ((!mGameWorld.hasForeAt(x, y) || mGameWorld.getForeMapBlock(x, y).isTransparent())
 125                             && mGameWorld.hasBackAt(x, y)) {
 126                         shaper.rect(drawX(x), drawY(y), 16, 16);
 127                     }
 128                 }
 129             }
 130             shaper.end();
 131             Gdx.gl.glDisable(GL20.GL_BLEND);
 132             spriter.begin();
 133         }
 134     }
 135
 136     private Rectangle getShiftedRectRespectfulToViewPort(final Rectangle rect, final float shift) {
 137         return new Rectangle(rect.x + shift - getCamX(), rect.y - getCamY(), rect.width, rect.height);
 138     }
 139
 140     @CheckForNull
 141     private Rectangle getDrawingRectIfInsideViewport(final Rectangle rectangle) {
 142         final Rectangle viewportRect = new Rectangle(0, 0, getWidth(), getHeight());
 143
 144         final Rectangle notShifted = getShiftedRectRespectfulToViewPort(rectangle, 0);
 145         if (Intersector.overlaps(viewportRect, notShifted)) {
 146             return notShifted;
 147         }
 148
 149         final Rectangle shiftedLeft = getShiftedRectRespectfulToViewPort(rectangle, -mGameWorld.getWidthPx());
 150         if (Intersector.overlaps(viewportRect, shiftedLeft)) {
 151             return shiftedLeft;
 152         }
 153
 154         final Rectangle shiftedRight = getShiftedRectRespectfulToViewPort(rectangle, mGameWorld.getWidthPx());
 155         if (Intersector.overlaps(viewportRect, shiftedRight)) {
 156             return shiftedRight;
 157         }
 158
 159         return null;
 160     }
 161
 162     private void drawMob(Mob mob, float delta) {
 163         float mobDrawX = mob.getX() - getCamX();
 164         float mobDrawY = mob.getY() - getCamY();
 165
 166         if (mobDrawX + mob.getWidth() < 0 && mobDrawX + mGameWorld.getWidthPx() > 0) {
 167             mobDrawX += mGameWorld.getWidthPx();
 168         } else if (mobDrawX > getWidth() && mobDrawX + mob.getWidth() - mGameWorld.getWidthPx() > 0) {
 169             mobDrawX -= mGameWorld.getWidthPx();
 170         } else if (mobDrawX + mob.getWidth() < 0 && mobDrawX > getWidth()) {
 171             return;
 172         }
 173
 174         mob.draw(spriter, mobDrawX, mobDrawY, delta);
 175     }
 176
 177     private void drawDrop(Drop drop) {
 178         if (drop.getId() <= 0) {
 179             return;
 180         }
 181
 182         @CheckForNull final Rectangle drawingRect = getDrawingRectIfInsideViewport(drop);
 183
 184         if (drawingRect == null) {
 185             return;
 186         }
 187
 188         final Item item = GameItems.getItem(drop.getId());
 189         @CheckForNull final Block block = GameItems.getBlock(GameItems.getItemKey(drop.getId()));
 190         @CheckForNull final Sprite sprite = item.isBlock()
 191                 ? block.getTexture()
 192                 : item.getSprite();
 193
 194         if (sprite == null) {
 195             return;
 196         }
 197
 198         sprite.setPosition(drawingRect.x, drawingRect.y);
 199         sprite.setSize(drawingRect.width, drawingRect.height);
 200         sprite.draw(spriter);
 201     }
 202
 203     @SuppressWarnings("IntegerDivisionInFloatingPointContext")
 204     private void drawCreative() {
 205         TextureRegion creative = textureRegions.get("creative");
 206         float x = getWidth() / 2 - (float) creative.getRegionWidth() / 2;
 207         float y = getHeight() / 2 - (float) creative.getRegionHeight() / 2;
 208         spriter.draw(creative, x, y);
 209         spriter.draw(textureRegions.get("handle"), x + 156,
 210                 y + 18 + (mGameInput.getCreativeScroll() * (72f / GameProc.MAX_CREATIVE_SCROLL)));
 211         for (int i = mGameInput.getCreativeScroll() * 8; i < mGameInput.getCreativeScroll() * 8 + 40; i++) {
 212             if (i > 0 && i < GameItems.getItemsSize()) {
 213                 if (GameItems.getItem(i).isBlock()) {
 214                     spriter.draw(GameItems.getBlock(GameItems.getBlockIdByItemId(i)).getTexture(),
 215                             x + 8 + ((i - mGameInput.getCreativeScroll() * 8) % 8) * 18,
 216                             y + 18 + ((i - mGameInput.getCreativeScroll() * 8) / 8) * 18);
 217                 } else {
 218                     spriter.draw(GameItems.getItem(i).getTexture(),
 219                             x + 8 + ((i - mGameInput.getCreativeScroll() * 8) % 8) * 18,
 220                             y + 18 + ((i - mGameInput.getCreativeScroll() * 8) / 8) * 18);
 221                 }
 222             }
 223         }
 224         for (int i = 0; i < 9; i++) {
 225             if (mMobsController.getPlayer().inventory[i] > 0) {
 226                 if (GameItems.getItem(mMobsController.getPlayer().inventory[i]).isBlock()) {
 227                     spriter.draw(GameItems.getBlock(GameItems.getBlockIdByItemId(mMobsController.getPlayer().inventory[i])).getTexture(),
 228                             x + 8 + i * 18, y + creative.getRegionHeight() - 24);
 229                 } else {
 230                     spriter.draw(GameItems.getItem(mMobsController.getPlayer().inventory[i]).getTexture(),
 231                             x + 8 + i * 18, y + creative.getRegionHeight() - 24);
 232                 }
 233             }
 234         }
 235
 236     }
 237
 238     private void drawHealth(float x, float y) {
 239         Player player = mMobsController.getPlayer();
 240
 241         if (player.gameMode == 1) {
 242             return;
 243         }
 244
 245         TextureRegion wholeHeart = textureRegions.get("heart_whole");
 246         TextureRegion halfHeart = textureRegions.get("heart_half");
 247
 248         int wholeHearts = player.getHealth() / 2;
 249
 250         for (int i = 0; i < wholeHearts; i++) {
 251             spriter.draw(wholeHeart, x + i * wholeHeart.getRegionWidth(), y);
 252         }
 253
 254         if (player.getHealth() % 2 == 1) {
 255             spriter.draw(halfHeart, x + wholeHearts * wholeHeart.getRegionWidth(), y);
 256         }
 257     }
 258
 259     private void drawGUI() {
 260         TextureRegion cursor = textureRegions.get("cursor");
 261         TextureRegion hotbar = textureRegions.get("hotbar");
 262         TextureRegion hotbarSelector = textureRegions.get("hotbar_selector");
 263
 264         if (mGameWorld.hasForeAt(mGameInput.getCurX(), mGameInput.getCurY()) ||
 265                 mGameWorld.hasBackAt(mGameInput.getCurX(), mGameInput.getCurY()) ||
 266                 mGameInput.getControlMode() == ControlMode.CURSOR || mMainConfig.isTouch()) {
 267             spriter.draw(cursor, mGameInput.getCurX() * 16 - getCamX(), mGameInput.getCurY() * 16 - getCamY());
 268         }
 269
 270         float hotbarX = getWidth() / 2 - (float) hotbar.getRegionWidth() / 2;
 271         spriter.draw(hotbar, hotbarX, 0);
 272         drawHealth(hotbarX, hotbar.getRegionHeight());
 273
 274         for (int i = 0; i < 9; i++) {
 275             if (mMobsController.getPlayer().inventory[i] > 0) {
 276                 if (GameItems.getItem(mMobsController.getPlayer().inventory[i]).isBlock()) {
 277                     spriter.draw(GameItems.getBlock(GameItems.getBlockIdByItemId(mMobsController.getPlayer().inventory[i])).getTexture(),
 278                             getWidth() / 2 - (float) hotbar.getRegionWidth() / 2 + 3 + i * 20,
 279                             3);
 280                 } else {
 281                     spriter.draw(GameItems.getItem(mMobsController.getPlayer().inventory[i]).getTexture(),
 282                             getWidth() / 2 - (float) hotbar.getRegionWidth() / 2 + 3 + i * 20,
 283                             3);
 284                 }
 285             }
 286         }
 287         spriter.draw(hotbarSelector,
 288                 getWidth() / 2 - (float) hotbar.getRegionWidth() / 2 - 1 + 20 * mMobsController.getPlayer().slot,
 289                 -1);
 290     }
 291
 292     private void drawTouchGui() {
 293         for (int i = 0; i < guiMap.size; i++) {
 294             Rectangle touchKey = guiMap.getValueAt(i).getRect();
 295             spriter.draw(textureRegions.get(guiMap.getKeyAt(i)),
 296                     touchKey.x, touchKey.y, touchKey.width, touchKey.height);
 297         }
 298         if (mGameInput.getControlMode() == ControlMode.CURSOR) {
 299             spriter.draw(textureRegions.get("shade"), 83, getHeight() - 21);
 300         }
 301     }
 302
 303     private void drawGamePlay(float delta) {
 304         Player player = mMobsController.getPlayer();
 305
 306         drawWorld(true);
 307         player.draw(spriter, player.getX() - getCamX() - player.getWidth() / 2, player.getY() - getCamY(), delta);
 308         mMobsController.getMobs().forEach( (mob) -> { drawMob(mob, delta); });
 309         mDropController.forEach(this::drawDrop);
 310         drawWorld(false);
 311         drawGUI();
 312     }
 313
 314     private void updateCameraPosition() {
 315         Player player = mMobsController.getPlayer();
 316         setCamPos(player.getX() + player.getWidth() / 2 - getWidth() / 2,
 317                 player.getY() + player.getHeight() / 2 - getHeight() / 2);
 318     }
 319
 320     @Nullable
 321     private Color getMinimapColor(int x, int y) {
 322         @Nullable Color result = null;
 323
 324         final boolean hasForeMap = mGameWorld.hasForeAt(x, y);
 325         final boolean hasBackMap = mGameWorld.hasBackAt(x, y);
 326
 327         if (hasForeMap) {
 328             final Block block = mGameWorld.getForeMapBlock(x, y);
 329
 330             if (GameItems.isWater(block)) {
 331                 result = Color.BLUE;
 332             } else if (GameItems.isLava(block)) {
 333                 result = Color.RED;
 334             } else {
 335                 result = Color.BLACK;
 336             }
 337         } else if (hasBackMap) {
 338             result = Color.DARK_GRAY;
 339         }
 340
 341         return result;
 342     }
 343
 344     private void drawMiniMap(float miniMapX, float miniMapY, float size) {
 345         shaper.begin(ShapeRenderer.ShapeType.Filled);
 346
 347         shaper.setColor(Color.LIGHT_GRAY);
 348         shaper.rect(miniMapX, miniMapY, size, size);
 349
 350         for (int x = 0; x < size; x++) {
 351             for (int y = 0; y < size; y++) {
 352
 353                 final int worldX = (int) (mMobsController.getPlayer().getMapX() - size / 2 + x);
 354                 final int worldY = (int) (mMobsController.getPlayer().getUpperMapY() - size / 2 + y);
 355
 356                 @Nullable
 357                 final Color color = getMinimapColor(worldX, worldY);
 358
 359                 if (color != null) {
 360                     shaper.setColor(color);
 361                     shaper.rect(miniMapX + x, miniMapY + y, 1, 1);
 362                 }
 363             }
 364         }
 365
 366         shaper.setColor(Color.OLIVE);
 367         shaper.rect(miniMapX + size / 2, miniMapY + size / 2, 1, 2);
 368         shaper.end();
 369     }
 370
 371     @Override
 372     public void render(float delta) {
 373         int fps = (int) (1 / delta);
 374         updateCameraPosition();
 375         mGameInput.moveCursor(this);
 376
 377         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 378
 379         spriter.begin();
 380
 381         drawGamePlay(delta);
 382
 383         switch (mMainConfig.getGameUiWindow()) {
 384             case CREATIVE_INVENTORY:
 385                 drawCreative();
 386                 break;
 387             //TODO draw other ui windows
 388         }
 389
 390
 391         if (mMainConfig.isTouch()) {
 392             drawTouchGui();
 393         }
 394
 395         spriter.end();
 396
 397         if (mMainConfig.isShowMap()) {
 398             drawMiniMap(getWidth() - 64f - 24f, 24f, 64f);
 399         }
 400
 401         if (mMainConfig.isShowInfo()) {
 402             spriter.begin();
 403             Player player = mMobsController.getPlayer();
 404             drawString("FPS: " + fps, 0, 0);
 405             drawString("X: " + player.getMapX(), 0, 10);
 406             drawString("Y: " + player.getUpperMapY(), 0, 20);
 407             drawString("CurX: " + mGameInput.getCurX(), 0, 30);
 408             drawString("CurY: " + mGameInput.getCurY(), 0, 40);
 409             drawString("Velocity: " + player.getVelocity(), 0, 50);
 410             drawString("Swim: " + player.swim, 0, 60);
 411             drawString("Mobs: " + mMobsController.getMobs().size(), 0, 70);
 412             drawString("Drops: " + mDropController.getSize(), 0, 80);
 413             drawString("Block: " + GameItems.getBlockKey(mGameWorld.getForeMap(mGameInput.getCurX(), mGameInput.getCurY())), 0, 90);
 414             drawString("Hand: " + GameItems.getItemKey(mMobsController.getPlayer().inventory[mMobsController.getPlayer().slot]), 0, 100);
 415             drawString("Game mode: " + player.gameMode, 0, 110);
 416             drawString("Check swim: " + GameItems.isFluid(mGameWorld.getForeMap(player.getMapX(), player.getLowerMapY())), 0, 120);
 417             spriter.end();
 418         }
 419
 420     }
 421
 422 }