/*
* 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.world.extent;
import com.flowpowered.math.vector.Vector3i;
import org.lanternpowered.server.util.gen.block.AtomicShortArrayMutableBlockBuffer;
import org.lanternpowered.server.util.gen.block.ShortArrayImmutableBlockBuffer;
import org.lanternpowered.server.util.gen.block.ShortArrayMutableBlockBuffer;
import org.spongepowered.api.block.BlockState;
import org.spongepowered.api.block.BlockType;
import org.spongepowered.api.util.DiscreteTransform3;
import org.spongepowered.api.world.extent.BlockVolume;
import org.spongepowered.api.world.extent.ImmutableBlockVolume;
import org.spongepowered.api.world.extent.MutableBlockVolume;
import org.spongepowered.api.world.extent.StorageType;
public abstract class AbstractBlockViewTransform<V extends BlockVolume> implements BlockVolume {
protected final V volume;
protected final DiscreteTransform3 transform;
protected final DiscreteTransform3 inverseTransform;
protected final Vector3i min;
protected final Vector3i max;
protected final Vector3i size;
public AbstractBlockViewTransform(V volume, DiscreteTransform3 transform) {
this.volume = volume;
this.transform = transform;
this.inverseTransform = transform.invert();
final Vector3i a = transform.transform(volume.getBlockMin());
final Vector3i b = transform.transform(volume.getBlockMax());
this.min = a.min(b);
this.max = a.max(b);
this.size = this.max.sub(this.min).add(Vector3i.ONE);
}
@Override
public Vector3i getBlockMin() {
return this.min;
}
@Override
public Vector3i getBlockMax() {
return this.max;
}
@Override
public Vector3i getBlockSize() {
return this.size;
}
@Override
public boolean containsBlock(int x, int y, int z) {
return this.volume.containsBlock(this.inverseTransform.transformX(x, y, z),
this.inverseTransform.transformY(x, y, z), this.inverseTransform.transformZ(x, y, z));
}
@Override
public BlockType getBlockType(int x, int y, int z) {
return this.getBlock(x, y, z).getType();
}
@Override
public BlockState getBlock(int x, int y, int z) {
return this.volume.getBlock(this.inverseTransform.transformX(x, y, z),
this.inverseTransform.transformY(x, y, z), this.inverseTransform.transformZ(x, y, z));
}
@Override
public MutableBlockVolume getBlockCopy(StorageType type) {
switch (type) {
case STANDARD:
return new ShortArrayMutableBlockBuffer(ExtentBufferHelper.copyToBlockArray(
this, this.min, this.max, this.size), this.min, this.size);
case THREAD_SAFE:
return new AtomicShortArrayMutableBlockBuffer(ExtentBufferHelper.copyToBlockArray(
this, this.min, this.max, this.size), this.min, this.size);
default:
throw new UnsupportedOperationException(type.name());
}
}
@Override
public ImmutableBlockVolume getImmutableBlockCopy() {
return ShortArrayImmutableBlockBuffer.newWithoutArrayClone(ExtentBufferHelper.copyToBlockArray(
this, this.min, this.max, this.size), this.min, this.size);
}
}