/*
* Copyright 2013 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;
import org.terasology.math.geom.Vector3i;
import org.terasology.world.block.Block;
/**
* A view providing access to the world for batch propagation
*
*/
public interface PropagatorWorldView {
byte UNAVAILABLE = -1;
/**
* @param pos
* @return The value of interest at pos, or UNAVAILABLE if out of bounds
*/
byte getValueAt(Vector3i pos);
/**
* @param pos
* @param value A new value at pos.
*/
void setValueAt(Vector3i pos, byte value);
/**
* @param pos
* @return The block at pos, or null if out of bounds
*/
Block getBlockAt(Vector3i pos);
}