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a JNI interface to Jolt Physics
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/*
Copyright (c) 2024 Stephen Gold

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 */
package com.github.stephengold.joltjni.readonly;

import com.github.stephengold.joltjni.Quat;
import com.github.stephengold.joltjni.RMat44;
import com.github.stephengold.joltjni.RVec3;
import com.github.stephengold.joltjni.Vec3;

/**
 * Read-only access to an {@code RMat44}. (native type: const RMat44)
 *
 * @author Stephen Gold [email protected]
 */
public interface RMat44Arg extends ConstJoltPhysicsObject {
    // *************************************************************************
    // new methods exposed

    /**
     * Copy the first column to a {@code Vec3}. The matrix is unaffected.
     *
     * @return a new vector
     */
    Vec3 getAxisX();

    /**
     * Copy the 2nd column to a {@code Vec3}. The matrix is unaffected.
     *
     * @return a new vector
     */
    Vec3 getAxisY();

    /**
     * Copy the 3rd column to a {@code Vec3}. The matrix is unaffected.
     *
     * @return a new vector
     */
    Vec3 getAxisZ();

    /**
     * Return the specified element in double precision. The matrix is
     * unaffected.
     *
     * @param row the zero-origin index of the row (≥0, <4)
     * @param column the zero-origin index of the column (≥0, <4)
     * @return the element's value
     */
    double getElement(int row, int column);

    /**
     * Convert the rotation to a {@code Quat}. The matrix is unaffected.
     *
     * @return a new rotation quaternion
     */
    Quat getQuaternion();

    /**
     * Copy the translation component. The matrix is unaffected.
     *
     * @return a new vector
     */
    RVec3 getTranslation();

    /**
     * Return the inverse of the current matrix, which is unaffected.
     *
     * @return a new matrix
     */
    RMat44 inversed();

    /**
     * Test whether the current matrix is equal to the argument. The current
     * matrix is unaffected.
     *
     * @param m2 the 2nd matrix to test (not null, unaffected)
     * @return {@code true} if equal, {@code false} if unequal
     */
    boolean isEqual(RMat44Arg m2);

    /**
     * Multiply the current matrix by the argument. The matrix is unaffected.
     *
     * @param m2 the right factor (not null, unaffected)
     * @return a new vector
     */
    RMat44 multiply(RMat44Arg m2);

    /**
     * Multiply the 3x3 matrix by the specified column vector. The matrix is
     * unaffected.
     *
     * @param vec3Arg the right factor (not null, unaffected)
     * @return a new vector
     */
    Vec3 multiply3x3(Vec3Arg vec3Arg);

    /**
     * Multiply the transpose of the 3x3 matrix by the specified column vector.
     * The matrix is unaffected.
     *
     * @param vec3Arg the right factor (not null, unaffected)
     * @return a new vector
     */
    Vec3 multiply3x3Transposed(Vec3Arg vec3Arg);

    /**
     * Multiply the 3x4 matrix by the specified column vector, with the 4th
     * component of the right factor implied to be one. The matrix is
     * unaffected.
     *
     * @param rvec3Arg the right factor (not null, unaffected)
     * @return a new vector
     */
    RVec3 multiply3x4(RVec3Arg rvec3Arg);

    /**
     * Multiply the 3x4 matrix by the specified column vector, with the 4th
     * component of the right factor implied to be one. The matrix is
     * unaffected.
     *
     * @param vec3Arg the right factor (not null, unaffected)
     * @return a new vector
     */
    RVec3 multiply3x4(Vec3Arg vec3Arg);
}