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Applied-Energistics-2/src/main/java/appeng/client/render/FacingToRotation.java
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Java

/*
* This file is part of Applied Energistics 2.
* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
*
* Applied Energistics 2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Applied Energistics 2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
*/
package appeng.client.render;
import java.util.Locale;
import com.mojang.blaze3d.matrix.MatrixStack;
import net.minecraft.util.Direction;
import net.minecraft.util.IStringSerializable;
import net.minecraft.util.math.vector.Matrix4f;
import net.minecraft.util.math.vector.Quaternion;
import net.minecraft.util.math.vector.Vector3f;
import net.minecraft.util.math.vector.Vector3i;
import net.minecraft.util.math.vector.Vector4f;
/**
* TODO: Removed useless stuff.
*/
public enum FacingToRotation implements IStringSerializable {
// DUNSWE
// @formatter:off
DOWN_DOWN(new Vector3f(0, 0, 0)), // NOOP
DOWN_UP(new Vector3f(0, 0, 0)), // NOOP
DOWN_NORTH(new Vector3f(-90, 0, 0)), DOWN_SOUTH(new Vector3f(-90, 0, 180)), DOWN_WEST(new Vector3f(-90, 0, 90)),
DOWN_EAST(new Vector3f(-90, 0, -90)), UP_DOWN(new Vector3f(0, 0, 0)), // NOOP
UP_UP(new Vector3f(0, 0, 0)), // NOOP
UP_NORTH(new Vector3f(90, 0, 180)), UP_SOUTH(new Vector3f(90, 0, 0)), UP_WEST(new Vector3f(90, 0, 90)),
UP_EAST(new Vector3f(90, 0, -90)), NORTH_DOWN(new Vector3f(0, 0, 180)), NORTH_UP(new Vector3f(0, 0, 0)),
NORTH_NORTH(new Vector3f(0, 0, 0)), // NOOP
NORTH_SOUTH(new Vector3f(0, 0, 0)), // NOOP
NORTH_WEST(new Vector3f(0, 0, 90)), NORTH_EAST(new Vector3f(0, 0, -90)), SOUTH_DOWN(new Vector3f(0, 180, 180)),
SOUTH_UP(new Vector3f(0, 180, 0)), SOUTH_NORTH(new Vector3f(0, 0, 0)), // NOOP
SOUTH_SOUTH(new Vector3f(0, 0, 0)), // NOOP
SOUTH_WEST(new Vector3f(0, 180, -90)), SOUTH_EAST(new Vector3f(0, 180, 90)), WEST_DOWN(new Vector3f(0, 90, 180)),
WEST_UP(new Vector3f(0, 90, 0)), WEST_NORTH(new Vector3f(0, 90, -90)), WEST_SOUTH(new Vector3f(0, 90, 90)),
WEST_WEST(new Vector3f(0, 0, 0)), // NOOP
WEST_EAST(new Vector3f(0, 0, 0)), // NOOP
EAST_DOWN(new Vector3f(0, -90, 180)), EAST_UP(new Vector3f(0, -90, 0)), EAST_NORTH(new Vector3f(0, -90, 90)),
EAST_SOUTH(new Vector3f(0, -90, -90)), EAST_WEST(new Vector3f(0, 0, 0)), // NOOP
EAST_EAST(new Vector3f(0, 0, 0)); // NOOP
// @formatter:on
private final Vector3f rot;
private final Quaternion xRot;
private final Quaternion yRot;
private final Quaternion zRot;
private final Matrix4f mat;
private FacingToRotation(Vector3f rot) {
this.rot = rot;
this.mat = new Matrix4f();
this.mat.setIdentity();
this.mat.mul(xRot = Vector3f.XP.rotationDegrees(rot.getX()));
this.mat.mul(yRot = Vector3f.YP.rotationDegrees(rot.getY()));
this.mat.mul(zRot = Vector3f.ZP.rotationDegrees(rot.getZ()));
}
public boolean isRedundant() {
return rot.getX() == 0 && rot.getY() == 0 && rot.getZ() == 0;
}
public Vector3f getRot() {
return this.rot;
}
public Matrix4f getMat() {
return new Matrix4f(this.mat);
}
public void push(MatrixStack mStack) {
mStack.rotate(xRot);
mStack.rotate(yRot);
mStack.rotate(zRot);
}
public Direction rotate(Direction facing) {
Vector3i dir = facing.getDirectionVec();
Vector4f vec = new Vector4f(dir.getX(), dir.getY(), dir.getZ(), 1);
vec.transform(mat);
return Direction.getFacingFromVector(vec.getX(), vec.getY(), vec.getZ());
}
public Direction resultingRotate(Direction facing) {
for (Direction face : Direction.values()) {
if (this.rotate(face) == facing) {
return face;
}
}
return null;
}
public static FacingToRotation get(Direction forward, Direction up) {
return values()[forward.ordinal() * 6 + up.ordinal()];
}
@Override
public String getString() {
return name().toLowerCase(Locale.ROOT);
}
}