/*
 * Pixel Dungeon
 * Copyright (C) 2012-2015 Oleg Dolya
 *
 * Shattered Pixel Dungeon
 * Copyright (C) 2014-2026 Evan Debenham
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */

package com.shatteredpixel.shatteredpixeldungeon.levels.rooms.special;

import com.shatteredpixel.shatteredpixeldungeon.Assets;
import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
import com.shatteredpixel.shatteredpixeldungeon.actors.blobs.Blob;
import com.shatteredpixel.shatteredpixeldungeon.journal.Notes;
import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
import com.shatteredpixel.shatteredpixeldungeon.levels.Terrain;
import com.shatteredpixel.shatteredpixeldungeon.levels.painters.Painter;
import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
import com.shatteredpixel.shatteredpixeldungeon.tiles.CustomTilemap;
import com.watabou.noosa.Tilemap;
import com.watabou.utils.Point;
import com.watabou.utils.Random;

public class WeakFloorRoom extends SpecialRoom {

	public void paint( Level level ) {
		
		Painter.fill( level, this, Terrain.WALL );
		Painter.fill( level, this, 1, Terrain.CHASM );
		
		Door door = entrance();
		door.set( Door.Type.REGULAR );
		
		Point well = null;
		
		if (door.x == left) {
			for (int i=top + 1; i < bottom; i++) {
				Painter.drawInside( level, this, new Point( left, i ), Random.IntRange( 1, width() - 4 ), Terrain.EMPTY_SP );
			}
			well = new Point( right-1, Random.Int( 2 ) == 0 ? top + 2 : bottom - 1 );
		} else if (door.x == right) {
			for (int i=top + 1; i < bottom; i++) {
				Painter.drawInside( level, this, new Point( right, i ), Random.IntRange( 1, width() - 4 ), Terrain.EMPTY_SP );
			}
			well = new Point( left+1, Random.Int( 2 ) == 0 ? top + 2 : bottom - 1 );
		} else if (door.y == top) {
			for (int i=left + 1; i < right; i++) {
				Painter.drawInside( level, this, new Point( i, top ), Random.IntRange( 1, height() - 4 ), Terrain.EMPTY_SP );
			}
			well = new Point( Random.Int( 2 ) == 0 ? left + 1 : right - 1, bottom-1 );
		} else if (door.y == bottom) {
			for (int i=left + 1; i < right; i++) {
				Painter.drawInside( level, this, new Point( i, bottom ), Random.IntRange( 1, height() - 4 ), Terrain.EMPTY_SP );
			}
			well = new Point( Random.Int( 2 ) == 0 ? left + 1 : right - 1, top+2 );
		}
		
		Painter.set(level, well, Terrain.CHASM);
		CustomTilemap vis = new HiddenWell();
		vis.pos(well.x, well.y);
		level.customTiles.add(vis);

		Blob.seed( well.x + level.width() * well.y, 1, WellID.class, level );
	}

	public static class HiddenWell extends CustomTilemap {

		{
			texture = Assets.Environment.WEAK_FLOOR;
			tileW = tileH = 1;
		}

		@Override
		public Tilemap create() {
			Tilemap v = super.create();
			v.map( new int[]{Dungeon.depth/5}, 1);
			return v;
		}

		@Override
		public String name(int tileX, int tileY) {
			return Messages.get(this, "name");
		}

		@Override
		public String desc(int tileX, int tileY) {
			return Messages.get(this, "desc");
		}

	}

	//we use a blob to track visibility of the well, yes this sucks
	public static class WellID extends Blob {

		@Override
		public Notes.Landmark landmark() {
			return Notes.Landmark.DISTANT_WELL;
		}

		@Override
		protected void evolve() {
			int cell;
			for (int i=area.top-1; i <= area.bottom; i++) {
				for (int j = area.left-1; j <= area.right; j++) {
					cell = j + i* Dungeon.level.width();
					if (Dungeon.level.insideMap(cell)) {
						off[cell] = cur[cell];

						volume += off[cell];
					}
				}
			}
		}

	}
}
