/*
* 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.propagation.light;
import org.terasology.math.Side;
import org.terasology.math.geom.Vector3i;
import org.terasology.world.block.Block;
import org.terasology.world.chunks.ChunkConstants;
import org.terasology.world.chunks.LitChunk;
import org.terasology.world.propagation.PropagationComparison;
/**
*/
public class SunlightRegenPropagationRules extends CommonLightPropagationRules {
@Override
public byte getFixedValue(Block block, Vector3i pos) {
return 0;
}
@Override
public byte propagateValue(byte existingValue, Side side, Block from) {
if (side == Side.BOTTOM) {
return (existingValue == ChunkConstants.MAX_SUNLIGHT_REGEN) ? existingValue : (byte) (existingValue + 1);
}
return 0;
}
@Override
public byte getMaxValue() {
return ChunkConstants.MAX_SUNLIGHT_REGEN;
}
@Override
public byte getValue(LitChunk chunk, Vector3i pos) {
return getValue(chunk, pos.x, pos.y, pos.z);
}
@Override
public byte getValue(LitChunk chunk, int x, int y, int z) {
return chunk.getSunlightRegen(x, y, z);
}
@Override
public void setValue(LitChunk chunk, Vector3i pos, byte value) {
chunk.setSunlightRegen(pos, value);
}
@Override
public PropagationComparison comparePropagation(Block newBlock, Block oldBlock, Side side) {
if (!side.isVertical()) {
return PropagationComparison.IDENTICAL;
}
return super.comparePropagation(newBlock, oldBlock, side);
}
@Override
public boolean canSpreadOutOf(Block block, Side side) {
return side == Side.BOTTOM && !block.isLiquid() && (super.canSpreadOutOf(block, side));
}
@Override
public boolean canSpreadInto(Block block, Side side) {
return !block.isLiquid() && super.canSpreadInto(block, side);
}
}