/* Copyright (c) 2014 Jesper Öqvist <jesper@llbit.se>
*
* This file is part of Chunky.
*
* Chunky 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.
*
* Chunky 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 Chunky. If not, see <http://www.gnu.org/licenses/>.
*/
package se.llbit.chunky.map;
import se.llbit.chunky.world.ChunkView;
abstract public class BitmapLayer extends AbstractLayer {
/**
* Render this layer
* @param rbuff
* @param cx
* @param cz
*/
@Override
final public void render(MapBuffer rbuff, int cx, int cz) {
ChunkView view = rbuff.getView();
int x0 = view.chunkScale * (cx - view.px0);
int z0 = view.chunkScale * (cz - view.pz0);
if (view.chunkScale == 1) {
rbuff.setRGB(x0, z0, getAvgColor());
} else if (view.chunkScale == 16) {
for (int z = 0; z < 16; ++z) {
for (int x = 0; x < 16; ++x) {
rbuff.setRGB(x0 + x, z0 + z, colorAt(x, z));
}
}
} else {
int blockScale = view.chunkScale / 16;
for (int z = 0; z < 16; ++z) {
int yp0 = z0 + z * blockScale;
for (int x = 0; x < 16; ++x) {
int xp0 = x0 + x * blockScale;
rbuff.fillRect(xp0, yp0, blockScale, blockScale,
colorAt(x, z));
}
}
}
}
abstract public int colorAt(int x, int z);
}