Sebastian Hartte
122 lines
4.0 KiB
Java
122 lines
4.0 KiB
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.cablebus;
|
|
|
|
import java.util.EnumMap;
|
|
|
|
import net.fabricmc.api.EnvType;
|
|
import net.fabricmc.api.Environment;
|
|
import net.fabricmc.fabric.api.renderer.v1.mesh.MutableQuadView;
|
|
import net.fabricmc.fabric.api.renderer.v1.render.RenderContext;
|
|
import net.minecraft.client.util.math.Vector3f;
|
|
import net.minecraft.util.math.Direction;
|
|
import net.minecraft.util.math.Quaternion;
|
|
|
|
import appeng.client.render.FacingToRotation;
|
|
|
|
/**
|
|
* Assuming a default-orientation of forward=NORTH and up=UP, this class rotates
|
|
* a given list of quads to the desired facing
|
|
*/
|
|
@Environment(EnvType.CLIENT)
|
|
public class QuadRotator implements RenderContext.QuadTransform {
|
|
|
|
public static final RenderContext.QuadTransform NULL_TRANSFORM = quad -> true;
|
|
|
|
private static final EnumMap<FacingToRotation, RenderContext.QuadTransform> TRANSFORMS = new EnumMap<>(
|
|
FacingToRotation.class);
|
|
|
|
static {
|
|
for (FacingToRotation rotation : FacingToRotation.values()) {
|
|
if (rotation.isRedundant()) {
|
|
TRANSFORMS.put(rotation, NULL_TRANSFORM);
|
|
} else {
|
|
TRANSFORMS.put(rotation, new QuadRotator(rotation));
|
|
}
|
|
}
|
|
}
|
|
|
|
private final FacingToRotation rotation;
|
|
|
|
private final Quaternion quaternion;
|
|
|
|
private QuadRotator(FacingToRotation rotation) {
|
|
this.rotation = rotation;
|
|
this.quaternion = rotation.getRot();
|
|
}
|
|
|
|
public static RenderContext.QuadTransform get(Direction newForward, Direction newUp) {
|
|
return get(getRotation(newForward, newUp));
|
|
}
|
|
|
|
public static RenderContext.QuadTransform get(FacingToRotation rotation) {
|
|
if (rotation.isRedundant()) {
|
|
return NULL_TRANSFORM; // This is the default orientation
|
|
}
|
|
return TRANSFORMS.get(rotation);
|
|
}
|
|
|
|
@Override
|
|
public boolean transform(MutableQuadView quad) {
|
|
Vector3f tmp = new Vector3f();
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
// Transform the position (center of rotation is 0.5, 0.5, 0.5)
|
|
quad.copyPos(i, tmp);
|
|
tmp.add(-0.5f, -0.5f, -0.5f);
|
|
tmp.rotate(quaternion);
|
|
tmp.add(0.5f, 0.5f, 0.5f);
|
|
quad.pos(i, tmp);
|
|
|
|
// Transform the normal
|
|
if (quad.hasNormal(i)) {
|
|
quad.copyNormal(i, tmp);
|
|
tmp.rotate(quaternion);
|
|
quad.normal(i, tmp);
|
|
}
|
|
}
|
|
|
|
// Transform the nominal face, setting the cull face will also overwrite the
|
|
// nominialFace,
|
|
// hence saving both first and the order here.
|
|
Direction nominalFace = quad.nominalFace();
|
|
Direction cullFace = quad.cullFace();
|
|
if (cullFace != null) {
|
|
quad.cullFace(rotation.rotate(cullFace));
|
|
}
|
|
quad.nominalFace(rotation.rotate(nominalFace));
|
|
|
|
return true;
|
|
}
|
|
|
|
private static FacingToRotation getRotation(Direction forward, Direction up) {
|
|
// Sanitize forward/up
|
|
if (forward.getAxis() == up.getAxis()) {
|
|
if (up.getAxis() == Direction.Axis.Y) {
|
|
up = Direction.NORTH;
|
|
} else {
|
|
up = Direction.UP;
|
|
}
|
|
}
|
|
|
|
return FacingToRotation.get(forward, up);
|
|
}
|
|
|
|
}
|