mirror of
https://github.com/Jozufozu/Flywheel.git
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6817ddec45
- Rename Client to FlywheelClient - Remove Shadow plugin - Remove generated source set - Remove unused properties in gradle.properties - Organize all imports - Thanks for the list pepper!
63 lines
2.2 KiB
Java
63 lines
2.2 KiB
Java
package com.jozufozu.flywheel.util;
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import java.util.function.Supplier;
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import com.mojang.blaze3d.matrix.MatrixStack;
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import net.minecraft.util.Direction;
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import net.minecraft.util.math.vector.Matrix3f;
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import net.minecraft.util.math.vector.Matrix4f;
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import net.minecraft.util.math.vector.Vector3f;
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public class RenderUtil {
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public static int nextPowerOf2(int a) {
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int h = Integer.highestOneBit(a);
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return (h == a) ? h : (h << 1);
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}
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public static boolean isPowerOf2(int n) {
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int b = n & (n - 1);
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return b == 0 && n != 0;
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}
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public static double lengthSqr(double x, double y, double z) {
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return x * x + y * y + z * z;
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}
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public static double length(double x, double y, double z) {
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return Math.sqrt(lengthSqr(x, y, z));
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}
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public static float[] writeMatrixStack(MatrixStack stack) {
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return writeMatrixStack(stack.peek()
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.getModel(), stack.peek()
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.getNormal());
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}
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// GPUs want matrices in column major order.
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public static float[] writeMatrixStack(Matrix4f model, Matrix3f normal) {
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return new float[]{model.a00, model.a10, model.a20, model.a30, model.a01, model.a11, model.a21, model.a31, model.a02, model.a12, model.a22, model.a32, model.a03, model.a13, model.a23, model.a33, normal.a00, normal.a10, normal.a20, normal.a01, normal.a11, normal.a21, normal.a02, normal.a12, normal.a22,};
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}
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public static float[] writeMatrix(Matrix4f model) {
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return new float[]{model.a00, model.a10, model.a20, model.a30, model.a01, model.a11, model.a21, model.a31, model.a02, model.a12, model.a22, model.a32, model.a03, model.a13, model.a23, model.a33,};
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}
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public static Supplier<MatrixStack> rotateToFace(Direction facing) {
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return () -> {
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MatrixStack stack = new MatrixStack();
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// MatrixStacker.of(stack)
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// .centre()
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// .rotateY(AngleHelper.horizontalAngle(facing))
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// .rotateX(AngleHelper.verticalAngle(facing))
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// .unCentre();
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stack.peek()
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.getModel()
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.setTranslation(0.5f, 0.5f, 0.5f);
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stack.multiply(Vector3f.POSITIVE_Y.getDegreesQuaternion(AngleHelper.horizontalAngle(facing)));
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stack.multiply(Vector3f.POSITIVE_X.getDegreesQuaternion(AngleHelper.verticalAngle(facing)));
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stack.translate(-0.5f, -0.5f, -0.5f);
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return stack;
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};
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}
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}
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