CuboidRotation.java

net.minecraft.client.resources.model.cuboid.CuboidRotation

信息

• 全限定名：net.minecraft.client.resources.model.cuboid.CuboidRotation
• 类型：public record
• 包：net.minecraft.client.resources.model.cuboid
• 源码路径：src/main/java/net/minecraft/client/resources/model/cuboid/CuboidRotation.java
• 起始行号：L14
• 职责：

  TODO

字段/常量

• 无

内部类/嵌套类型

• net.minecraft.client.resources.model.cuboid.CuboidRotation.EulerXYZRotation

  • 类型: record
  • 修饰符: public
  • 源码定位: L48
  • 说明:

    TODO

• net.minecraft.client.resources.model.cuboid.CuboidRotation.RotationValue

  • 类型: interface
  • 修饰符: public
  • 源码定位: L59
  • 说明:

    TODO

• net.minecraft.client.resources.model.cuboid.CuboidRotation.SingleAxisRotation

  • 类型: record
  • 修饰符: public
  • 源码定位: L64
  • 说明:

    TODO

构造器

public CuboidRotation(Vector3fc origin, CuboidRotation.RotationValue value, boolean rescale) @ L15

• 构造器名：CuboidRotation
• 源码定位：L15
• 修饰符：public

参数:

• origin: Vector3fc
• value: CuboidRotation.RotationValue
• rescale: boolean

说明:

TODO

方法

下面的方法块按源码顺序生成。

private static Matrix4f computeTransform(CuboidRotation.RotationValue value, boolean rescale) @ L19

• 方法名：computeTransform
• 源码定位：L19
• 返回类型：Matrix4f
• 修饰符：private static

参数:

• value: CuboidRotation.RotationValue
• rescale: boolean

说明:

TODO

private static Vector3fc computeRescale(Matrix4fc rotation) @ L29

• 方法名：computeRescale
• 源码定位：L29
• 返回类型：Vector3fc
• 修饰符：private static

参数:

• rotation: Matrix4fc

说明:

TODO

private static float scaleFactorForAxis(Matrix4fc rotation, Direction.Axis axis, Vector3f scratch) @ L37

• 方法名：scaleFactorForAxis
• 源码定位：L37
• 返回类型：float
• 修饰符：private static

参数:

• rotation: Matrix4fc
• axis: Direction.Axis
• scratch: Vector3f

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public record CuboidRotation(Vector3fc origin, CuboidRotation.RotationValue value, boolean rescale, Matrix4fc transform) {
    public CuboidRotation(Vector3fc origin, CuboidRotation.RotationValue value, boolean rescale) {
        this(origin, value, rescale, computeTransform(value, rescale));
    }
 
    private static Matrix4f computeTransform(CuboidRotation.RotationValue value, boolean rescale) {
        Matrix4f result = value.transformation();
        if (rescale && !MatrixUtil.isIdentity(result)) {
            Vector3fc scale = computeRescale(result);
            result.scale(scale);
        }
 
        return result;
    }
 
    private static Vector3fc computeRescale(Matrix4fc rotation) {
        Vector3f scratch = new Vector3f();
        float scaleX = scaleFactorForAxis(rotation, Direction.Axis.X, scratch);
        float scaleY = scaleFactorForAxis(rotation, Direction.Axis.Y, scratch);
        float scaleZ = scaleFactorForAxis(rotation, Direction.Axis.Z, scratch);
        return scratch.set(scaleX, scaleY, scaleZ);
    }
 
    private static float scaleFactorForAxis(Matrix4fc rotation, Direction.Axis axis, Vector3f scratch) {
        Vector3f axisUnit = scratch.set(axis.getPositive().getUnitVec3f());
        Vector3f transformedAxisUnit = rotation.transformDirection(axisUnit);
        float absX = Math.abs(transformedAxisUnit.x);
        float absY = Math.abs(transformedAxisUnit.y);
        float absZ = Math.abs(transformedAxisUnit.z);
        float maxComponent = Math.max(Math.max(absX, absY), absZ);
        return 1.0F / maxComponent;
    }
 
    @OnlyIn(Dist.CLIENT)
    public record EulerXYZRotation(float x, float y, float z) implements CuboidRotation.RotationValue {
        @Override
        public Matrix4f transformation() {
            return new Matrix4f()
                .rotationZYX(
                    this.z * (float) (java.lang.Math.PI / 180.0), this.y * (float) (java.lang.Math.PI / 180.0), this.x * (float) (java.lang.Math.PI / 180.0)
                );
        }
    }
 
    @OnlyIn(Dist.CLIENT)
    public interface RotationValue {
        Matrix4f transformation();
    }
 
    @OnlyIn(Dist.CLIENT)
    public record SingleAxisRotation(Direction.Axis axis, float angle) implements CuboidRotation.RotationValue {
        @Override
        public Matrix4f transformation() {
            Matrix4f result = new Matrix4f();
            if (this.angle == 0.0F) {
                return result;
            } else {
                Vector3fc rotateAround = this.axis.getPositive().getUnitVec3f();
                result.rotation(this.angle * (float) (java.lang.Math.PI / 180.0), rotateAround);
                return result;
            }
        }
    }
}

引用的其他类

• MatrixUtil

  • 引用位置: 方法调用
  • 关联成员: MatrixUtil.isIdentity()

• Direction

  • 引用位置: 参数