BlueMap/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resources/resourcepack/blockmodel/Rotation.java

124 lines
4.0 KiB
Java

/*
* This file is part of BlueMap, licensed under the MIT License (MIT).
*
* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
* 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 de.bluecolored.bluemap.core.resources.resourcepack.blockmodel;
import com.flowpowered.math.TrigMath;
import com.flowpowered.math.vector.Vector3f;
import com.flowpowered.math.vector.Vector3i;
import com.google.gson.Gson;
import com.google.gson.annotations.JsonAdapter;
import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.JsonReader;
import de.bluecolored.bluemap.api.debug.DebugDump;
import de.bluecolored.bluemap.core.resources.AbstractTypeAdapterFactory;
import de.bluecolored.bluemap.core.util.math.Axis;
import de.bluecolored.bluemap.core.util.math.MatrixM4f;
import java.io.IOException;
@SuppressWarnings("FieldMayBeFinal")
@DebugDump
@JsonAdapter(Rotation.Adapter.class)
public class Rotation {
private static final Vector3f DEFAULT_ORIGIN = new Vector3f(8, 8, 8);
private static final double FIT_TO_BLOCK_SCALE_MULTIPLIER = 2 - Math.sqrt(2);
public static final Rotation ZERO = new Rotation();
static {
ZERO.init();
}
private Vector3f origin = DEFAULT_ORIGIN;
private Axis axis = Axis.Y;
private float angle = 0;
private boolean rescale = false;
private transient MatrixM4f matrix;
private Rotation(){}
private void init() {
Vector3i axisAngle = axis.toVector();
matrix = new MatrixM4f();
if (angle != 0f) {
matrix.translate(-origin.getX(), -origin.getY(), -origin.getZ());
matrix.rotate(
angle,
axisAngle.getX(),
axisAngle.getY(),
axisAngle.getZ()
);
if (rescale) {
float scale = (float) (Math.abs(TrigMath.sin(angle * TrigMath.DEG_TO_RAD)) * FIT_TO_BLOCK_SCALE_MULTIPLIER);
matrix.scale(
(1 - axisAngle.getX()) * scale + 1,
(1 - axisAngle.getY()) * scale + 1,
(1 - axisAngle.getZ()) * scale + 1
);
}
matrix.translate(origin.getX(), origin.getY(), origin.getZ());
}
}
public Vector3f getOrigin() {
return origin;
}
public Axis getAxis() {
return axis;
}
public double getAngle() {
return angle;
}
public boolean isRescale() {
return rescale;
}
public MatrixM4f getMatrix() {
return matrix;
}
static class Adapter extends AbstractTypeAdapterFactory<Rotation> {
public Adapter() {
super(Rotation.class);
}
@Override
public Rotation read(JsonReader in, Gson gson) throws IOException {
Rotation rotation = gson.getDelegateAdapter(this, TypeToken.get(Rotation.class)).read(in);
rotation.init();
return rotation;
}
}
}