Examples with AABB org.terasology.math.AABB used on opensource projects

Example 6 with AABB

use of org.terasology.math.AABB in project Terasology by MovingBlocks.

the class SkeletonRenderer method renderOpaque.

@Override
public void renderOpaque() {
    Vector3f cameraPosition = worldRenderer.getActiveCamera().getPosition();
    Quat4f worldRot = new Quat4f();
    Vector3f worldPos = new Vector3f();
    Quat4f inverseWorldRot = new Quat4f();
    FloatBuffer tempMatrixBuffer44 = BufferUtils.createFloatBuffer(16);
    FloatBuffer tempMatrixBuffer33 = BufferUtils.createFloatBuffer(12);
    for (EntityRef entity : entityManager.getEntitiesWith(SkeletalMeshComponent.class, LocationComponent.class)) {
        SkeletalMeshComponent skeletalMesh = entity.getComponent(SkeletalMeshComponent.class);
        if (skeletalMesh.mesh == null || skeletalMesh.material == null || skeletalMesh.boneEntities == null || !skeletalMesh.material.isRenderable()) {
            continue;
        }
        AABB aabb;
        MeshAnimation animation = skeletalMesh.animation;
        if (animation != null) {
            aabb = animation.getAabb();
        } else {
            aabb = skeletalMesh.mesh.getStaticAabb();
        }
        LocationComponent location = entity.getComponent(LocationComponent.class);
        location.getWorldRotation(worldRot);
        inverseWorldRot.inverse(worldRot);
        location.getWorldPosition(worldPos);
        float worldScale = location.getWorldScale();
        aabb = aabb.transform(worldRot, worldPos, worldScale);
        if (!worldRenderer.getActiveCamera().hasInSight(aabb)) {
            continue;
        }
        skeletalMesh.material.enable();
        skeletalMesh.material.setFloat("sunlight", 1.0f, true);
        skeletalMesh.material.setFloat("blockLight", 1.0f, true);
        skeletalMesh.material.setFloat3("colorOffset", skeletalMesh.color.rf(), skeletalMesh.color.gf(), skeletalMesh.color.bf(), true);
        skeletalMesh.material.setMatrix4("projectionMatrix", worldRenderer.getActiveCamera().getProjectionMatrix());
        skeletalMesh.material.bindTextures();
        Vector3f worldPositionCameraSpace = new Vector3f();
        worldPositionCameraSpace.sub(worldPos, cameraPosition);
        worldPos.y -= skeletalMesh.heightOffset;
        Matrix4f matrixCameraSpace = new Matrix4f(worldRot, worldPositionCameraSpace, worldScale);
        Matrix4f modelViewMatrix = MatrixUtils.calcModelViewMatrix(worldRenderer.getActiveCamera().getViewMatrix(), matrixCameraSpace);
        MatrixUtils.matrixToFloatBuffer(modelViewMatrix, tempMatrixBuffer44);
        skeletalMesh.material.setMatrix4("worldViewMatrix", tempMatrixBuffer44, true);
        MatrixUtils.matrixToFloatBuffer(MatrixUtils.calcNormalMatrix(modelViewMatrix), tempMatrixBuffer33);
        skeletalMesh.material.setMatrix3("normalMatrix", tempMatrixBuffer33, true);
        skeletalMesh.material.setFloat("sunlight", worldRenderer.getMainLightIntensityAt(worldPos), true);
        skeletalMesh.material.setFloat("blockLight", worldRenderer.getBlockLightIntensityAt(worldPos), true);
        List<Vector3f> bonePositions = Lists.newArrayListWithCapacity(skeletalMesh.mesh.getVertexCount());
        List<Quat4f> boneRotations = Lists.newArrayListWithCapacity(skeletalMesh.mesh.getVertexCount());
        for (Bone bone : skeletalMesh.mesh.getBones()) {
            EntityRef boneEntity = skeletalMesh.boneEntities.get(bone.getName());
            if (boneEntity == null) {
                boneEntity = EntityRef.NULL;
            }
            LocationComponent boneLocation = boneEntity.getComponent(LocationComponent.class);
            if (boneLocation != null) {
                Vector3f pos = boneLocation.getWorldPosition();
                pos.sub(worldPos);
                inverseWorldRot.rotate(pos, pos);
                bonePositions.add(pos);
                Quat4f rot = new Quat4f(inverseWorldRot);
                rot.mul(boneLocation.getWorldRotation());
                boneRotations.add(rot);
            } else {
                logger.warn("Unable to resolve bone \"{}\"", bone.getName());
                bonePositions.add(new Vector3f());
                boneRotations.add(new Quat4f());
            }
        }
        ((OpenGLSkeletalMesh) skeletalMesh.mesh).setScaleTranslate(skeletalMesh.scale, skeletalMesh.translate);
        ((OpenGLSkeletalMesh) skeletalMesh.mesh).render(bonePositions, boneRotations);
    }
}

Example 7 with AABB

use of org.terasology.math.AABB in project Terasology by MovingBlocks.

the class MD5AnimationLoader method createAnimation.

private MeshAnimationData createAnimation(MD5 md5) {
    List<String> boneNames = Lists.newArrayListWithCapacity(md5.numJoints);
    TIntList boneParents = new TIntArrayList(md5.numJoints);
    for (int i = 0; i < md5.numJoints; ++i) {
        boneNames.add(md5.joints[i].name);
        boneParents.add(md5.joints[i].parent);
    }
    float timePerFrame = 1.0f / md5.frameRate;
    List<MeshAnimationFrame> frames = Lists.newArrayList();
    for (int frameIndex = 0; frameIndex < md5.numFrames; ++frameIndex) {
        MD5Frame frame = md5.frames[frameIndex];
        List<Vector3f> positions = Lists.newArrayListWithExpectedSize(md5.numJoints);
        List<Vector3f> rawRotations = Lists.newArrayListWithExpectedSize(md5.numJoints);
        for (int i = 0; i < md5.numJoints; ++i) {
            positions.add(new Vector3f(md5.baseFramePosition[i]));
            rawRotations.add(new Vector3f(md5.baseFrameOrientation[i]));
        }
        for (int jointIndex = 0; jointIndex < md5.numJoints; ++jointIndex) {
            int compIndex = 0;
            if ((md5.joints[jointIndex].flags & POSITION_X_FLAG) != 0) {
                positions.get(jointIndex).x = frame.components[md5.joints[jointIndex].startIndex + compIndex];
                compIndex++;
            }
            if ((md5.joints[jointIndex].flags & POSITION_Y_FLAG) != 0) {
                positions.get(jointIndex).y = frame.components[md5.joints[jointIndex].startIndex + compIndex];
                compIndex++;
            }
            if ((md5.joints[jointIndex].flags & POSITION_Z_FLAG) != 0) {
                positions.get(jointIndex).z = frame.components[md5.joints[jointIndex].startIndex + compIndex];
                compIndex++;
            }
            if ((md5.joints[jointIndex].flags & ORIENTATION_X_FLAG) != 0) {
                rawRotations.get(jointIndex).x = frame.components[md5.joints[jointIndex].startIndex + compIndex];
                compIndex++;
            }
            if ((md5.joints[jointIndex].flags & ORIENTATION_Y_FLAG) != 0) {
                rawRotations.get(jointIndex).y = frame.components[md5.joints[jointIndex].startIndex + compIndex];
                compIndex++;
            }
            if ((md5.joints[jointIndex].flags & ORIENTATION_Z_FLAG) != 0) {
                rawRotations.get(jointIndex).z = frame.components[md5.joints[jointIndex].startIndex + compIndex];
            }
        }
        List<Quat4f> rotations = rawRotations.stream().map(rot -> MD5ParserCommon.completeQuat4f(rot.x, rot.y, rot.z)).collect(Collectors.toCollection(ArrayList::new));
        // Rotate just the root bone to correct for coordinate system differences
        rotations.set(0, MD5ParserCommon.correctQuat4f(rotations.get(0)));
        positions.set(0, MD5ParserCommon.correctOffset(positions.get(0)));
        frames.add(new MeshAnimationFrame(positions, rotations));
    }
    AABB aabb = AABB.createEncompassing(Arrays.asList(md5.bounds));
    return new MeshAnimationData(boneNames, boneParents, frames, timePerFrame, aabb);
}

Example 8 with AABB

use of org.terasology.math.AABB in project Terasology by MovingBlocks.

the class LwjglCanvasRenderer method drawMesh.

@Override
public void drawMesh(Mesh mesh, Material material, Rect2i drawRegion, Rect2i cropRegion, Quat4f rotation, Vector3f offset, float scale, float alpha) {
    if (!material.isRenderable()) {
        return;
    }
    AABB meshAABB = mesh.getAABB();
    Vector3f meshExtents = meshAABB.getExtents();
    float fitScale = 0.35f * Math.min(drawRegion.width(), drawRegion.height()) / Math.max(meshExtents.x, Math.max(meshExtents.y, meshExtents.z));
    Vector3f centerOffset = meshAABB.getCenter();
    centerOffset.scale(-1.0f);
    Matrix4f centerTransform = new Matrix4f(BaseQuat4f.IDENTITY, centerOffset, 1.0f);
    Matrix4f userTransform = new Matrix4f(rotation, offset, -fitScale * scale);
    Matrix4f translateTransform = new Matrix4f(BaseQuat4f.IDENTITY, new Vector3f(drawRegion.minX() + drawRegion.width() / 2, drawRegion.minY() + drawRegion.height() / 2, 0), 1);
    userTransform.mul(centerTransform);
    translateTransform.mul(userTransform);
    Matrix4f finalMat = new Matrix4f(modelView);
    finalMat.mul(translateTransform);
    MatrixUtils.matrixToFloatBuffer(finalMat, matrixBuffer);
    material.setFloat4(CROPPING_BOUNDARIES_PARAM, cropRegion.minX(), cropRegion.maxX(), cropRegion.minY(), cropRegion.maxY());
    material.setMatrix4("posMatrix", translateTransform);
    glEnable(GL11.GL_DEPTH_TEST);
    glClear(GL11.GL_DEPTH_BUFFER_BIT);
    glMatrixMode(GL11.GL_MODELVIEW);
    glPushMatrix();
    glLoadMatrix(matrixBuffer);
    matrixBuffer.rewind();
    boolean matrixStackSupported = material.supportsFeature(ShaderProgramFeature.FEATURE_USE_MATRIX_STACK);
    if (matrixStackSupported) {
        material.activateFeature(ShaderProgramFeature.FEATURE_USE_MATRIX_STACK);
    }
    material.setFloat("alpha", alpha);
    material.bindTextures();
    mesh.render();
    if (matrixStackSupported) {
        material.deactivateFeature(ShaderProgramFeature.FEATURE_USE_MATRIX_STACK);
    }
    glPopMatrix();
    glDisable(GL11.GL_DEPTH_TEST);
}