/*
* Copyright 2014 MovingBlocks
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.terasology.world.generation.facets.base;
import org.terasology.math.Region3i;
import org.terasology.world.generation.Border3D;
import org.terasology.world.generation.WorldFacet3D;
/**
*/
public class BaseFacet3D implements WorldFacet3D {
private Region3i worldRegion;
private Region3i relativeRegion;
public BaseFacet3D(Region3i targetRegion, Border3D border) {
worldRegion = border.expandTo3D(targetRegion);
relativeRegion = border.expandTo3D(targetRegion.size());
}
@Override
public final Region3i getWorldRegion() {
return worldRegion;
}
@Override
public final Region3i getRelativeRegion() {
return relativeRegion;
}
protected final int getRelativeIndex(int x, int y, int z) {
if (!relativeRegion.encompasses(x, y, z)) {
throw new IllegalArgumentException(String.format("Out of bounds: (%d, %d, %d) for region %s", x, y, z, relativeRegion.toString()));
}
return x - relativeRegion.minX() + relativeRegion.sizeX() * (y - relativeRegion.minY() + relativeRegion.sizeY() * (z - relativeRegion.minZ()));
}
protected final int getWorldIndex(int x, int y, int z) {
if (!worldRegion.encompasses(x, y, z)) {
throw new IllegalArgumentException(String.format("Out of bounds: (%d, %d, %d) for region %s", x, y, z, worldRegion.toString()));
}
return x - worldRegion.minX() + worldRegion.sizeX() * (y - worldRegion.minY() + worldRegion.sizeY() * (z - worldRegion.minZ()));
}
}