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111 lines
2.7 KiB
111 lines
2.7 KiB
package mightypork.rogue.world.gen.rooms;
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import java.util.Random;
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import mightypork.rogue.world.gen.MapTheme;
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import mightypork.rogue.world.gen.RoomBuilder;
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import mightypork.rogue.world.gen.RoomEntry;
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import mightypork.rogue.world.gen.ScratchMap;
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import mightypork.rogue.world.gen.TileProtectLevel;
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import mightypork.rogue.world.tile.TileModel;
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import mightypork.utils.annotations.Stub;
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import mightypork.utils.math.algo.Coord;
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import mightypork.utils.math.algo.Moves;
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public abstract class AbstractRectRoom implements RoomBuilder {
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@Override
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public RoomEntry buildRoom(ScratchMap map, MapTheme theme, Random rand, Coord center)
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{
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// half width, half height actually
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final Coord innerSize = getInnerSize(rand);
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final int width = 2 + innerSize.x - 1;
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final int height = 2 + innerSize.y - 1;
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final int wLow = (int) Math.round(width / 2D);
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final int wHigh = width - wLow;
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final int hLow = (int) Math.round(height / 2D);
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final int hHigh = height - hLow;
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final Coord min = new Coord(center.x - wLow, center.y - hLow);
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final Coord max = new Coord(center.x + wHigh, center.y + hHigh);
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if (!map.isClear(min.add(-1, -1), max)) return null;
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map.fill(min, max, getFloor(theme));
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map.border(min, max, getWall(theme));
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map.protect(min, max, getWallProtectionLevel());
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placeDoors(map, theme, rand, min, max);
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buildExtras(map, theme, rand, min, max);
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return new RoomEntry(min.add(-1, -1), max);
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}
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protected TileModel getWall(MapTheme theme)
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{
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return theme.wall();
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}
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protected TileModel getFloor(MapTheme theme)
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{
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return theme.floor();
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}
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protected void placeDoors(ScratchMap map, MapTheme theme, Random rand, Coord min, Coord max)
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{
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final int width = max.x - min.x;
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final int height = max.y - min.y;
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for (int i = 0, j = 0; i < getDoorCount(rand) && j < 100; j++) { // j is to prevent inf loop
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final Coord door = min.copy();
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switch (rand.nextInt(4)) {
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case 0:
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door.y = min.y;
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door.x += 1 + rand.nextInt(width - 1);
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break;
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case 1:
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door.y = max.y;
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door.x += 1 + rand.nextInt(width - 1);
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break;
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case 2:
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door.x = min.x;
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door.y += 1 + rand.nextInt(height - 1);
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break;
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case 3:
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door.x = max.x;
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door.y += 1 + rand.nextInt(height - 1);
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break;
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}
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if ((map.findDoors(door) & Moves.BITS_CARDINAL) == 0) {
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map.set(door, getDoorType(theme, rand));
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i++; // increment pointer
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}
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}
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}
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@Stub
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protected void buildExtras(ScratchMap map, MapTheme theme, Random rand, Coord min, Coord max)
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{
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}
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protected abstract Coord getInnerSize(Random rand);
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protected abstract TileProtectLevel getWallProtectionLevel();
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protected abstract TileModel getDoorType(MapTheme theme, Random rand);
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protected abstract int getDoorCount(Random rand);
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}
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