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, dragging;
  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 (CaveGame.GAME_STATE == GameState.PLAY &&
 180                 ((GP.world.hasForeAt(curX, curY) && GP.world.getForeMapBlock(curX, curY).getHp() >= 0) ||
 181                 (!GP.world.hasForeAt(curX, curY) && GP.world.hasBackAt(curX, curY) &&
 182                         GP.world.getBackMapBlock(curX, curY).getHp() >= 0))) {
 183             if (GP.player.gameMode == 0) {
 184                 blockDamage++;
 185                 if (GP.world.hasForeAt(curX, curY)) {
 186                     if (blockDamage >= GP.world.getForeMapBlock(curX, curY).getHp()) {
 187                         GP.world.destroyForeMap(curX, curY);
 188                         blockDamage = 0;
 189                     }
 190                 } else if (GP.world.hasBackAt(curX, curY)) {
 191                     if (blockDamage >= GP.world.getBackMapBlock(curX, curY).getHp()) {
 192                         GP.world.destroyBackMap(curX, curY);
 193                         blockDamage = 0;
 194                     }
 195                 }
 196             } else {
 197                 if (GP.world.hasForeAt(curX, curY)) {
 198                     GP.world.placeToForeground(curX, curY, 0);
 199                 } else if (GP.world.hasBackAt(curX, curY)) {
 200                     GP.world.placeToBackground(curX, curY, 0);
 201                 }
 202                 touchedDown = false;
 203             }
 204         }
 205     }
 206
 207     private boolean insideHotbar(float x, float y) {
 208         TextureRegion hotbar = Assets.textureRegions.get("hotbar");
 209         return y < hotbar.getRegionHeight() &&
 210                 Range.open(GP.renderer.getWidth() / 2 - (float) hotbar.getRegionWidth() / 2,
 211                         GP.renderer.getWidth() / 2 + (float) hotbar.getRegionWidth() / 2).contains(x);
 212     }
 213
 214     private void holdMB() {
 215         if (touchDownBtn == Input.Buttons.RIGHT) {
 216             useItem(curX, curY, GP.player.inventory[GP.player.slot], true);
 217             touchedDown = false;
 218         } else {
 219             if (insideHotbar(touchDownX, touchDownY)) {
 220                 CaveGame.GAME_STATE = GameState.CREATIVE_INV;
 221                 touchedDown = false;
 222             }
 223         }
 224     }
 225
 226     public void keyDown(int keycode) {
 227         keyDown = true;
 228         keyDownCode = keycode;
 229         switch (keycode) {
 230             case Input.Keys.A:
 231             case Input.Keys.D:
 232             case Input.Keys.W:
 233             case Input.Keys.S:
 234             case Input.Keys.SPACE:
 235             case Input.Keys.CONTROL_LEFT:
 236                 wasdPressed(keycode);
 237                 break;
 238
 239             case Input.Keys.ALT_LEFT:
 240                 if (CaveGame.TOUCH) {
 241                     GP.controlMode = GP.controlMode == ControlMode.WALK ? ControlMode.CURSOR : ControlMode.WALK;
 242                 }
 243                 break;
 244
 245             case Input.Keys.E:
 246                 if (CaveGame.GAME_STATE == GameState.PLAY) {
 247                     switch (GP.player.gameMode) {
 248                         case 0:
 249                             //TODO survival inv
 250                             break;
 251                         case 1:
 252                             CaveGame.GAME_STATE = GameState.CREATIVE_INV;
 253                             break;
 254                     }
 255                 } else {
 256                     CaveGame.GAME_STATE = GameState.PLAY;
 257                 }
 258                 break;
 259
 260             case Input.Keys.G:
 261                 GP.mobs.add(new Pig(curX * 16, curY * 16));
 262                 break;
 263
 264             case Input.Keys.Q:
 265                 GP.world.placeToForeground(curX, curY, 8);
 266                 break;
 267
 268             case Input.Keys.ESCAPE:
 269             case Input.Keys.BACK:
 270                 CaveGame.APP_STATE = AppState.SAVE;
 271                 CaveGame.GAME_STATE = GameState.PAUSE;
 272                 break;
 273
 274             case Input.Keys.F1:
 275                 GameScreen.SHOW_DEBUG = !GameScreen.SHOW_DEBUG;
 276                 break;
 277
 278             case Input.Keys.M:
 279                 GameScreen.SHOW_MAP = !GameScreen.SHOW_MAP;
 280                 break;
 281         }
 282     }
 283
 284     public void keyUp(int keycode) {
 285         switch (keycode) {
 286             case Input.Keys.A:
 287             case Input.Keys.D:
 288                 GP.player.getMove().x = 0;
 289                 if (CaveGame.TOUCH && GP.player.swim) {
 290                     GP.player.swim = false;
 291                 }
 292                 break;
 293
 294             case Input.Keys.W:
 295             case Input.Keys.S:
 296             case Input.Keys.SPACE:
 297             case Input.Keys.CONTROL_LEFT:
 298                 if (GP.player.isFlyMode()) {
 299                     GP.player.getMove().y = 0;
 300                 }
 301                 if (GP.player.swim) {
 302                     GP.player.swim = false;
 303                 }
 304                 break;
 305         }
 306     }
 307
 308     public void touchDown(float touchX, float touchY, int button) {
 309         touchDownTime = TimeUtils.millis();
 310         touchedDown = true;
 311         touchDownBtn = button;
 312         touchDownX = touchX;
 313         touchDownY = touchY;
 314     }
 315
 316     public void touchUp(float screenX, float screenY, int button) {
 317         if (dragging) {
 318             dragging = false;
 319             return;
 320         }
 321
 322         if (CaveGame.TOUCH && keyDown) {
 323             keyUp(keyDownCode);
 324             keyDown = false;
 325         }
 326         TextureRegion hotbar = Assets.textureRegions.get("hotbar");
 327         TextureRegion creative = Assets.textureRegions.get("creative");
 328         if (touchedDown) {
 329             if (CaveGame.GAME_STATE == GameState.CREATIVE_INV && insideCreativeInv(screenX, screenY)) {
 330                 int ix = (int) (screenX - (GP.renderer.getWidth() / 2 - creative.getRegionWidth() / 2 + 8)) / 18;
 331                 int iy = (int) (screenY - (GP.renderer.getHeight() / 2 - creative.getRegionHeight() / 2 + 18)) / 18;
 332                 int item = creativeScroll * 8 + (ix + iy * 8);
 333                 if (ix >= 8 || ix < 0 || iy < 0 || iy >= 5) {
 334                     item = -1;
 335                 }
 336                 if (item >= 0 && item < GameItems.getItemsSize()) {
 337                     System.arraycopy(GP.player.inventory, 0, GP.player.inventory, 1, 8);
 338                     GP.player.inventory[0] = item;
 339                 }
 340             } else if (CaveGame.GAME_STATE == GameState.CREATIVE_INV) {
 341                 CaveGame.GAME_STATE = GameState.PLAY;
 342             } else if (screenY < hotbar.getRegionHeight() &&
 343                     screenX > GP.renderer.getWidth() / 2 - (float) hotbar.getRegionWidth() / 2 &&
 344                     screenX < GP.renderer.getWidth() / 2 + (float) hotbar.getRegionWidth() / 2) {
 345                 GP.player.slot = (int) ((screenX - (GP.renderer.getWidth() / 2 - hotbar.getRegionWidth() / 2)) / 20);
 346             } else if (button == Input.Buttons.RIGHT) {
 347                 useItem(curX, curY,
 348                         GP.player.inventory[GP.player.slot], false);
 349             } else if (button == Input.Buttons.LEFT) {
 350                 blockDamage = 0;
 351             }
 352         }
 353         touchedDown = false;
 354     }
 355
 356     public void touchDragged(float screenX, float screenY) {
 357         dragging = true;
 358         if (CaveGame.GAME_STATE == GameState.CREATIVE_INV && Math.abs(screenY - touchDownY) > 16) {
 359             if (insideCreativeInv(screenX, screenY)) {
 360                 creativeScroll -= (screenY - touchDownY) / 16;
 361                 touchDownX = screenX;
 362                 touchDownY = screenY;
 363                 if (creativeScroll < 0) {
 364                     creativeScroll = 0;
 365                 }
 366                 if (creativeScroll > GameProc.MAX_CREATIVE_SCROLL) {
 367                     creativeScroll = GameProc.MAX_CREATIVE_SCROLL;
 368                 }
 369             }
 370         }
 371     }
 372
 373     public void scrolled(int amount) {
 374         switch (CaveGame.GAME_STATE) {
 375             case PLAY:
 376                 GP.player.slot += amount;
 377                 if (GP.player.slot < 0) {
 378                     GP.player.slot = 8;
 379                 }
 380                 if (GP.player.slot > 8) {
 381                     GP.player.slot = 0;
 382                 }
 383                 break;
 384             case CREATIVE_INV:
 385                 creativeScroll += amount;
 386                 if (creativeScroll < 0) {
 387                     creativeScroll = 0;
 388                 }
 389                 if (creativeScroll > GameProc.MAX_CREATIVE_SCROLL) {
 390                     creativeScroll = GameProc.MAX_CREATIVE_SCROLL;
 391                 }
 392                 break;
 393         }
 394     }
 395
 396     public int getKeyDownCode() {
 397         return keyDownCode;
 398     }
 399
 400     public boolean isKeyDown() {
 401         return keyDown;
 402     }
 403
 404     int getBlockDamage() {
 405         return blockDamage;
 406     }
 407
 408     int getCurX() {
 409         return curX;
 410     }
 411
 412     int getCurY() {
 413         return curY;
 414     }
 415
 416     int getCreativeScroll() {
 417         return creativeScroll;
 418     }
 419
 420     void update() {
 421         moveCursor();
 422         if (touchedDown && touchDownBtn == Input.Buttons.LEFT) {
 423             pressLMB();
 424         }
 425         if (touchedDown && TimeUtils.timeSinceMillis(touchDownTime) > 500) {
 426             holdMB();
 427         }
 428     }
 429
 430 }