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

   1 package ru.deadsoftware.cavedroid.game;
   2
   3 import com.badlogic.gdx.Gdx;
   4 import com.badlogic.gdx.Input;
   5 import com.badlogic.gdx.graphics.g2d.TextureRegion;
   6 import com.badlogic.gdx.utils.TimeUtils;
   7 import com.google.common.collect.Range;
   8 import ru.deadsoftware.cavedroid.CaveGame;
   9 import ru.deadsoftware.cavedroid.GameScreen;
  10 import ru.deadsoftware.cavedroid.game.mobs.Mob;
  11 import ru.deadsoftware.cavedroid.game.mobs.Pig;
  12 import ru.deadsoftware.cavedroid.misc.Assets;
  13 import ru.deadsoftware.cavedroid.misc.ControlMode;
  14 import ru.deadsoftware.cavedroid.misc.states.AppState;
  15 import ru.deadsoftware.cavedroid.misc.states.GameState;
  16
  17 import static ru.deadsoftware.cavedroid.GameScreen.GP;
  18 import static ru.deadsoftware.cavedroid.game.GameItems.*;
  19
  20 public class GameInput {
  21
  22     private boolean keyDown, touchedDown;
  23
  24     private int keyDownCode, touchDownBtn;
  25     private float touchDownX, touchDownY;
  26     private long touchDownTime;
  27
  28     private int curX, curY;
  29     private int creativeScroll;
  30     private int blockDamage;
  31
  32     private boolean checkSwim() {
  33         return GameItems.isFluid(GP.world.getForeMap(GP.player.getMapX(), GP.player.getLowerMapY()));
  34     }
  35
  36     private void goUpwards() {
  37         if (checkSwim()) {
  38             GP.player.swim = true;
  39         } else if (GP.player.canJump()) {
  40             GP.player.getMove().add(0, -7);
  41         } else if (!GP.player.isFlyMode() && GP.player.gameMode == 1) {
  42             GP.player.setFlyMode(true);
  43             GP.player.getMove().y = 0;
  44         } else if (GP.player.isFlyMode()) {
  45             GP.player.getMove().y = -GamePhysics.PL_SPEED;
  46         }
  47     }
  48
  49     @SuppressWarnings("IntegerDivisionInFloatingPointContext")
  50     private boolean insideCreativeInv(float screenX, float screenY) {
  51         TextureRegion creative = Assets.textureRegions.get("creative");
  52         return (screenX > GP.renderer.getWidth() / 2 - creative.getRegionWidth() / 2 &&
  53                 screenX < GP.renderer.getWidth() / 2 + creative.getRegionWidth() / 2 &&
  54                 screenY > GP.renderer.getHeight() / 2 - creative.getRegionHeight() / 2 &&
  55                 screenY < GP.renderer.getHeight() / 2 + creative.getRegionHeight() / 2);
  56     }
  57
  58     private void wasdPressed(int keycode) {
  59         if (GP.controlMode == ControlMode.WALK || !CaveGame.TOUCH) {
  60             switch (keycode) {
  61                 case Input.Keys.A:
  62                     GP.player.getMove().x = -GamePhysics.PL_SPEED;
  63                     GP.player.setDir(Mob.Direction.LEFT);
  64                     if (CaveGame.TOUCH && checkSwim()) {
  65                         GP.player.swim = true;
  66                     }
  67                     break;
  68                 case Input.Keys.D:
  69                     GP.player.getMove().x = GamePhysics.PL_SPEED;
  70                     GP.player.setDir(Mob.Direction.RIGHT);
  71                     if (CaveGame.TOUCH && checkSwim()) {
  72                         GP.player.swim = true;
  73                     }
  74                     break;
  75                 case Input.Keys.W:
  76                 case Input.Keys.SPACE:
  77                     goUpwards();
  78                     break;
  79                 case Input.Keys.S:
  80                 case Input.Keys.CONTROL_LEFT:
  81                     GP.player.getMove().y = GamePhysics.PL_SPEED;
  82                     break;
  83             }
  84         } else {
  85             switch (keycode) {
  86                 case Input.Keys.A:
  87                     curX--;
  88                     break;
  89                 case Input.Keys.D:
  90                     curX++;
  91                     break;
  92                 case Input.Keys.W:
  93                     curY--;
  94                     break;
  95                 case Input.Keys.S:
  96                     curY++;
  97                     break;
  98             }
  99             blockDamage = 0;
 100         }
 101     }
 102
 103     private boolean isNotAutoselectable(int x, int y) {
 104         return (!GP.world.hasForeAt(x, y) || !GP.world.getForeMapBlock(x, y).hasCollision());
 105     }
 106
 107     private void checkCursorBounds() {
 108         if (curY < 0) {
 109             curY = 0;
 110         } else if (curY >= GP.world.getHeight()) {
 111             curY = GP.world.getHeight() - 1;
 112         }
 113
 114         if (GP.controlMode == ControlMode.CURSOR) {
 115             if (curX * 16 + 8 < GP.player.getX() + GP.player.getWidth() / 2) {
 116                 GP.player.setDir(Mob.Direction.LEFT);
 117             } else {
 118                 GP.player.setDir(Mob.Direction.RIGHT);
 119             }
 120         }
 121     }
 122
 123     private void moveCursor() {
 124         int pastX = curX;
 125         int pastY = curY;
 126
 127         if (GP.controlMode == ControlMode.WALK && CaveGame.TOUCH) {
 128             curX = GP.player.getMapX() + (GP.player.looksLeft() ? -1 : 1);
 129             curY = GP.player.getUpperMapY();
 130             for (int i = 0; i < 2 && isNotAutoselectable(curX, curY); i++) {
 131                 curY++;
 132             }
 133             if (isNotAutoselectable(curX, curY)) {
 134                 curX += GP.player.looksLeft() ? 1 : -1;
 135             }
 136         } else if (!CaveGame.TOUCH) {
 137             curX = (int) (Gdx.input.getX() * (GP.renderer.getWidth() /
 138                     GameScreen.getWidth()) + GP.renderer.getCamX()) / 16;
 139
 140             curY = (int) (Gdx.input.getY() * (GP.renderer.getHeight() /
 141                     GameScreen.getHeight()) + GP.renderer.getCamY()) / 16;
 142             if (curX < 0) {
 143                 curX--;
 144             }
 145         }
 146
 147         if (pastX != curX || pastY != curY) {
 148             blockDamage = 0;
 149         }
 150
 151         checkCursorBounds();
 152     }
 153
 154     private void useItem(int x, int y, int id, boolean bg) {
 155         String key = getItem(id).isBlock() ? getBlockKey(id) : getItemKey(id);
 156         if (id > 0) {
 157             if (getItem(id).isBlock()) {
 158                 if (!bg) {
 159                     GP.world.placeToForeground(x, y, getBlockIdByItemId(id));
 160                 } else {
 161                     GP.world.placeToBackground(x, y, getBlockIdByItemId(id));
 162                 }
 163             } else {
 164                 switch (key) {
 165                     case "bucket_water":
 166                         GP.world.placeToForeground(x, y, getBlockId("water"));
 167                         GP.player.inventory[GP.player.slot] = getItemId("bucket_empty");
 168                         break;
 169                     case "bucket_lava":
 170                         GP.world.placeToForeground(x, y, getBlockId("lava"));
 171                         GP.player.inventory[GP.player.slot] = getItemId("bucket_empty");
 172                         break;
 173                 }
 174             }
 175         }
 176     }
 177
 178     private void pressLMB() {
 179         if ((GP.world.hasForeAt(curX, curY) && GP.world.getForeMapBlock(curX, curY).getHp() >= 0) ||
 180                 (!GP.world.hasForeAt(curX, curY) && GP.world.hasBackAt(curX, curY) &&
 181                         GP.world.getBackMapBlock(curX, curY).getHp() >= 0)) {
 182             if (GP.player.gameMode == 0) {
 183                 blockDamage++;
 184                 if (GP.world.hasForeAt(curX, curY)) {
 185                     if (blockDamage >= GP.world.getForeMapBlock(curX, curY).getHp()) {
 186                         GP.world.destroyForeMap(curX, curY);
 187                         blockDamage = 0;
 188                     }
 189                 } else if (GP.world.hasBackAt(curX, curY)) {
 190                     if (blockDamage >= GP.world.getBackMapBlock(curX, curY).getHp()) {
 191                         GP.world.destroyBackMap(curX, curY);
 192                         blockDamage = 0;
 193                     }
 194                 }
 195             } else {
 196                 if (GP.world.hasForeAt(curX, curY)) {
 197                     GP.world.placeToForeground(curX, curY, 0);
 198                 } else if (GP.world.hasBackAt(curX, curY)) {
 199                     GP.world.placeToBackground(curX, curY, 0);
 200                 }
 201                 touchedDown = false;
 202             }
 203         }
 204     }
 205
 206     private boolean insideHotbar(float x, float y) {
 207         TextureRegion hotbar = Assets.textureRegions.get("hotbar");
 208         return y < hotbar.getRegionHeight() &&
 209                 Range.open(GP.renderer.getWidth() / 2 - (float) hotbar.getRegionWidth() / 2,
 210                         GP.renderer.getWidth() / 2 + (float) hotbar.getRegionWidth() / 2).contains(x);
 211     }
 212
 213     private void holdMB() {
 214         if (touchDownBtn == Input.Buttons.RIGHT) {
 215             useItem(curX, curY, GP.player.inventory[GP.player.slot], true);
 216             touchedDown = false;
 217         } else {
 218             if (insideHotbar(touchDownX, touchDownY)) {
 219                 CaveGame.GAME_STATE = GameState.CREATIVE_INV;
 220                 touchedDown = false;
 221             }
 222         }
 223     }
 224
 225     public void keyDown(int keycode) {
 226         keyDown = true;
 227         keyDownCode = keycode;
 228         switch (keycode) {
 229             case Input.Keys.A:
 230             case Input.Keys.D:
 231             case Input.Keys.W:
 232             case Input.Keys.S:
 233             case Input.Keys.SPACE:
 234             case Input.Keys.CONTROL_LEFT:
 235                 wasdPressed(keycode);
 236                 break;
 237
 238             case Input.Keys.ALT_LEFT:
 239                 if (CaveGame.TOUCH) {
 240                     GP.controlMode = GP.controlMode == ControlMode.WALK ? ControlMode.CURSOR : ControlMode.WALK;
 241                 }
 242                 break;
 243
 244             case Input.Keys.E:
 245                 if (CaveGame.GAME_STATE == GameState.PLAY) {
 246                     switch (GP.player.gameMode) {
 247                         case 0:
 248                             //TODO survival inv
 249                             break;
 250                         case 1:
 251                             CaveGame.GAME_STATE = GameState.CREATIVE_INV;
 252                             break;
 253                     }
 254                 } else {
 255                     CaveGame.GAME_STATE = GameState.PLAY;
 256                 }
 257                 break;
 258
 259             case Input.Keys.G:
 260                 GP.mobs.add(new Pig(curX * 16, curY * 16));
 261                 break;
 262
 263             case Input.Keys.Q:
 264                 GP.world.placeToForeground(curX, curY, 8);
 265                 break;
 266
 267             case Input.Keys.ESCAPE:
 268             case Input.Keys.BACK:
 269                 CaveGame.APP_STATE = AppState.SAVE;
 270                 CaveGame.GAME_STATE = GameState.PAUSE;
 271                 break;
 272
 273             case Input.Keys.F1:
 274                 GameScreen.SHOW_DEBUG = !GameScreen.SHOW_DEBUG;
 275                 break;
 276
 277             case Input.Keys.M:
 278                 GameScreen.SHOW_MAP = !GameScreen.SHOW_MAP;
 279                 break;
 280         }
 281     }
 282
 283     public void keyUp(int keycode) {
 284         switch (keycode) {
 285             case Input.Keys.A:
 286             case Input.Keys.D:
 287                 GP.player.getMove().x = 0;
 288                 if (CaveGame.TOUCH && GP.player.swim) {
 289                     GP.player.swim = false;
 290                 }
 291                 break;
 292
 293             case Input.Keys.W:
 294             case Input.Keys.S:
 295             case Input.Keys.SPACE:
 296             case Input.Keys.CONTROL_LEFT:
 297                 if (GP.player.isFlyMode()) {
 298                     GP.player.getMove().y = 0;
 299                 }
 300                 if (GP.player.swim) {
 301                     GP.player.swim = false;
 302                 }
 303                 break;
 304         }
 305     }
 306
 307     public void touchDown(float touchX, float touchY, int button) {
 308         touchDownTime = TimeUtils.millis();
 309         touchedDown = true;
 310         touchDownBtn = button;
 311         touchDownX = touchX;
 312         touchDownY = touchY;
 313     }
 314
 315     public void touchUp(float screenX, float screenY, int button) {
 316         if (CaveGame.TOUCH && keyDown) {
 317             keyUp(keyDownCode);
 318             keyDown = false;
 319         }
 320         TextureRegion hotbar = Assets.textureRegions.get("hotbar");
 321         TextureRegion creative = Assets.textureRegions.get("creative");
 322         if (touchedDown) {
 323             if (CaveGame.GAME_STATE == GameState.CREATIVE_INV && insideCreativeInv(screenX, screenY)) {
 324                 int ix = (int) (screenX - (GP.renderer.getWidth() / 2 - creative.getRegionWidth() / 2 + 8)) / 18;
 325                 int iy = (int) (screenY - (GP.renderer.getHeight() / 2 - creative.getRegionHeight() / 2 + 18)) / 18;
 326                 int item = creativeScroll * 8 + (ix + iy * 8);
 327                 if (ix >= 8 || ix < 0 || iy < 0 || iy >= 5) {
 328                     item = -1;
 329                 }
 330                 if (item >= 0 && item < GameItems.getItemsSize()) {
 331                     System.arraycopy(GP.player.inventory, 0, GP.player.inventory, 1, 8);
 332                     GP.player.inventory[0] = item;
 333                 }
 334             } else if (CaveGame.GAME_STATE == GameState.CREATIVE_INV) {
 335                 CaveGame.GAME_STATE = GameState.PLAY;
 336             } else if (screenY < hotbar.getRegionHeight() &&
 337                     screenX > GP.renderer.getWidth() / 2 - (float) hotbar.getRegionWidth() / 2 &&
 338                     screenX < GP.renderer.getWidth() / 2 + (float) hotbar.getRegionWidth() / 2) {
 339                 GP.player.slot = (int) ((screenX - (GP.renderer.getWidth() / 2 - hotbar.getRegionWidth() / 2)) / 20);
 340             } else if (button == Input.Buttons.RIGHT) {
 341                 useItem(curX, curY,
 342                         GP.player.inventory[GP.player.slot], false);
 343             } else if (button == Input.Buttons.LEFT) {
 344                 blockDamage = 0;
 345             }
 346         }
 347         touchedDown = false;
 348     }
 349
 350     public void touchDragged(float screenX, float screenY) {
 351         if (CaveGame.GAME_STATE == GameState.CREATIVE_INV && Math.abs(screenY - touchDownY) > 16) {
 352             if (insideCreativeInv(screenX, screenY)) {
 353                 creativeScroll -= (screenY - touchDownY) / 16;
 354                 touchDownX = screenX;
 355                 touchDownY = screenY;
 356                 if (creativeScroll < 0) {
 357                     creativeScroll = 0;
 358                 }
 359                 if (creativeScroll > GameProc.MAX_CREATIVE_SCROLL) {
 360                     creativeScroll = GameProc.MAX_CREATIVE_SCROLL;
 361                 }
 362             }
 363         }
 364     }
 365
 366     public void scrolled(int amount) {
 367         switch (CaveGame.GAME_STATE) {
 368             case PLAY:
 369                 GP.player.slot += amount;
 370                 if (GP.player.slot < 0) {
 371                     GP.player.slot = 8;
 372                 }
 373                 if (GP.player.slot > 8) {
 374                     GP.player.slot = 0;
 375                 }
 376                 break;
 377             case CREATIVE_INV:
 378                 creativeScroll += amount;
 379                 if (creativeScroll < 0) {
 380                     creativeScroll = 0;
 381                 }
 382                 if (creativeScroll > GameProc.MAX_CREATIVE_SCROLL) {
 383                     creativeScroll = GameProc.MAX_CREATIVE_SCROLL;
 384                 }
 385                 break;
 386         }
 387     }
 388
 389     public int getKeyDownCode() {
 390         return keyDownCode;
 391     }
 392
 393     public boolean isKeyDown() {
 394         return keyDown;
 395     }
 396
 397     int getBlockDamage() {
 398         return blockDamage;
 399     }
 400
 401     int getCurX() {
 402         return curX;
 403     }
 404
 405     int getCurY() {
 406         return curY;
 407     }
 408
 409     int getCreativeScroll() {
 410         return creativeScroll;
 411     }
 412
 413     void update() {
 414         moveCursor();
 415         if (touchedDown && touchDownBtn == Input.Buttons.LEFT) {
 416             pressLMB();
 417         }
 418         if (touchedDown && TimeUtils.timeSinceMillis(touchDownTime) > 500) {
 419             holdMB();
 420         }
 421     }
 422
 423 }