mirror of
https://github.com/MinecraftForge/MinecraftForge.git
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32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
--- a/com/mojang/math/Transformation.java
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+++ b/com/mojang/math/Transformation.java
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@@ -14,7 +_,7 @@
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import org.joml.Quaternionf;
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import org.joml.Vector3f;
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-public final class Transformation {
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+public final class Transformation implements net.minecraftforge.common.extensions.IForgeTransformation {
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private final Matrix4fc matrix;
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public static final Codec<Transformation> CODEC = RecordCodecBuilder.create(
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p_269604_ -> p_269604_.group(
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@@ -174,5 +_,19 @@
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vector3f1.lerp(p_175938_.getScale(), p_175939_);
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quaternionf1.slerp(p_175938_.getRightRotation(), p_175939_);
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return new Transformation(vector3f, quaternionf, vector3f1, quaternionf1);
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+ }
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+
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+ private Matrix3f normalTransform = null;
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+ public Matrix3f getNormalMatrix() {
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+ checkNormalTransform();
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+ return normalTransform;
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+ }
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+
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+ private void checkNormalTransform() {
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+ if (normalTransform == null) {
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+ normalTransform = new Matrix3f(matrix);
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+ normalTransform.invert();
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+ normalTransform.transpose();
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+ }
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}
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}
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