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