v0.9.4: added gateway traps!

core/src/main/assets/messages/levels/levels.properties

@@ -65,6 +65,9 @@ levels.traps.flocktrap.desc=Perhaps a joke from some amateur mage, triggering th
 levels.traps.frosttrap.name=frost trap
 levels.traps.frosttrap.desc=When activated, chemicals in this trap will rapidly freeze the air in a wide range around its location.
 
+levels.traps.gatewaytrap.name=grim trap
+levels.traps.gatewaytrap.desc=This special teleportation trap can activate an infinite numbers of times and always teleports to the same location.
+
 levels.traps.grimtrap.name=grim trap
 levels.traps.grimtrap.ondeath=You were killed by the blast of a grim trap...
 levels.traps.grimtrap.desc=Extremely powerful destructive magic is stored within this trap, enough to instantly kill all but the healthiest of heroes. Triggering it will send a ranged blast of lethal magic towards the nearest character.\n\nThankfully the trigger mechanism isn't hidden.

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/traps/GatewayTrap.java

@@ -0,0 +1,148 @@
+package com.shatteredpixel.shatteredpixeldungeon.levels.traps;
+
+import com.shatteredpixel.shatteredpixeldungeon.Assets;
+import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
+import com.shatteredpixel.shatteredpixeldungeon.actors.Actor;
+import com.shatteredpixel.shatteredpixeldungeon.actors.Char;
+import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Mob;
+import com.shatteredpixel.shatteredpixeldungeon.items.Heap;
+import com.shatteredpixel.shatteredpixeldungeon.items.Item;
+import com.shatteredpixel.shatteredpixeldungeon.items.scrolls.ScrollOfTeleportation;
+import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
+import com.shatteredpixel.shatteredpixeldungeon.levels.Terrain;
+import com.watabou.noosa.audio.Sample;
+import com.watabou.utils.Bundle;
+import com.watabou.utils.PathFinder;
+import com.watabou.utils.Random;
+
+import java.util.ArrayList;
+
+public class GatewayTrap extends Trap {
+
+	{
+		color = TEAL;
+		shape = CROSSHAIR;
+	}
+
+	private int telePos = -1;
+
+	@Override
+	public void trigger() {
+		if (Dungeon.level.heroFOV[pos]){
+			Sample.INSTANCE.play(Assets.Sounds.TRAP);
+		}
+		//this trap is not disarmed by being triggered
+		reveal();
+		Level.set(pos, Terrain.TRAP);
+		activate();
+	}
+
+	@Override
+	public void activate() {
+
+		if (telePos == -1){
+			for (int i : PathFinder.NEIGHBOURS9){
+				Char ch = Actor.findChar(pos + i);
+				if (ch != null){
+					if (ScrollOfTeleportation.teleportChar(ch)) {
+						if (ch instanceof Mob && ((Mob) ch).state == ((Mob) ch).HUNTING) {
+							((Mob) ch).state = ((Mob) ch).WANDERING;
+						}
+						telePos = ch.pos;
+						break;
+					}
+				}
+				Heap heap = Dungeon.level.heaps.get(pos + i);
+				if (heap != null){
+					int cell = Dungeon.level.randomRespawnCell( null );
+
+					Item item = heap.pickUp();
+
+					if (cell != -1) {
+						Heap dropped = Dungeon.level.drop( item, cell );
+						dropped.type = heap.type;
+						dropped.sprite.view( dropped );
+						telePos = cell;
+						break;
+
+					}
+				}
+			}
+		}
+
+		if (telePos != -1){
+
+			ArrayList<Integer> telePositions = new ArrayList<>();
+			for (int i : PathFinder.NEIGHBOURS8){
+				if (Dungeon.level.passable[telePos+i]
+						&& Actor.findChar( telePos+i ) == null){
+					telePositions.add(telePos+i);
+				}
+			}
+			Random.shuffle(telePositions);
+
+			if (Dungeon.level.passable[telePos]
+					&& Actor.findChar( telePos ) == null){
+				telePositions.add(0, telePos);
+			}
+
+			ArrayList<Integer> largeCharPositions = new ArrayList<>();
+			for (int pos : telePositions){
+				if (Dungeon.level.openSpace[pos]){
+					largeCharPositions.add(pos);
+				}
+			}
+
+			for (int i : PathFinder.NEIGHBOURS9){
+
+				Char ch = Actor.findChar(pos + i);
+				if (ch != null){
+					int newPos = -1;
+					if (Char.hasProp(ch, Char.Property.LARGE)){
+						if (!largeCharPositions.isEmpty()){
+							newPos = largeCharPositions.get(0);
+						}
+					} else {
+						if (!telePositions.isEmpty()) {
+							newPos = telePositions.get(0);
+						}
+					}
+
+					if (newPos != -1){
+						telePositions.remove((Integer)newPos);
+						largeCharPositions.remove((Integer)newPos);
+
+						if (ScrollOfTeleportation.teleportToLocation(ch, newPos)){
+							if (ch instanceof Mob && ((Mob) ch).state == ((Mob) ch).HUNTING) {
+								((Mob) ch).state = ((Mob) ch).WANDERING;
+							}
+						}
+					}
+				}
+
+				Heap heap = Dungeon.level.heaps.get(pos + i);
+				if (heap != null){
+					Item item = heap.pickUp();
+					Heap dropped = Dungeon.level.drop( item, telePos );
+					dropped.type = heap.type;
+					dropped.sprite.view( dropped );
+				}
+			}
+		}
+
+	}
+
+	private static final String TELE_POS = "tele_pos";
+
+	@Override
+	public void storeInBundle(Bundle bundle) {
+		super.storeInBundle(bundle);
+		bundle.put(TELE_POS, telePos);
+	}
+
+	@Override
+	public void restoreFromBundle(Bundle bundle) {
+		super.restoreFromBundle(bundle);
+		telePos = bundle.getInt(TELE_POS);
+	}
+}