/*
* This file is part of LanternServer, licensed under the MIT License (MIT).
*
* Copyright (c) LanternPowered <https://www.lanternpowered.org>
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the Software), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.lanternpowered.server.util.gen.block;
import com.flowpowered.math.vector.Vector3i;
import com.google.common.base.MoreObjects;
import org.lanternpowered.server.util.VecHelper;
import org.spongepowered.api.block.BlockState;
import org.spongepowered.api.block.BlockType;
import org.spongepowered.api.util.PositionOutOfBoundsException;
import org.spongepowered.api.world.extent.BlockVolume;
import org.spongepowered.api.world.extent.MutableBlockVolume;
import org.spongepowered.api.world.extent.StorageType;
/**
* Base class for block buffers.
*/
public abstract class AbstractBlockBuffer implements BlockVolume {
protected Vector3i start;
protected Vector3i size;
protected Vector3i end;
private final int yLine;
private final int yzSlice;
protected AbstractBlockBuffer(Vector3i start, Vector3i size) {
this.end = start.add(size).sub(Vector3i.ONE);
this.start = start;
this.size = size;
this.yLine = size.getY();
this.yzSlice = this.yLine * size.getZ();
}
protected void checkRange(Vector3i position) {
checkRange(position.getX(), position.getY(), position.getZ());
}
protected void checkRange(int x, int y, int z) {
if (!VecHelper.inBounds(x, y, z, this.start, this.end)) {
throw new PositionOutOfBoundsException(new Vector3i(x, y, z), this.start, this.end);
}
}
protected int index(int x, int y, int z) {
return (x - this.start.getX()) * this.yzSlice + (z - this.start.getZ()) * this.yLine + (y - this.start.getY());
}
@Override
public Vector3i getBlockMax() {
return this.end;
}
@Override
public Vector3i getBlockMin() {
return this.start;
}
@Override
public Vector3i getBlockSize() {
return this.size;
}
@Override
public boolean containsBlock(Vector3i position) {
return containsBlock(position.getX(), position.getY(), position.getZ());
}
@Override
public boolean containsBlock(int x, int y, int z) {
return VecHelper.inBounds(x, y, z, this.start, this.end);
}
@Override
public BlockState getBlock(Vector3i position) {
return getBlock(position.getX(), position.getY(), position.getZ());
}
@Override
public BlockType getBlockType(Vector3i position) {
return getBlockType(position.getX(), position.getY(), position.getZ());
}
@Override
public BlockType getBlockType(int x, int y, int z) {
return getBlock(x, y, z).getType();
}
@Override
public MutableBlockVolume getBlockCopy() {
return getBlockCopy(StorageType.STANDARD);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("min", this.getBlockMin())
.add("max", this.getBlockMax())
.toString();
}
}