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