Examples with Matrix com.jme3.scene.plugins.blender.math.Matrix used on opensource projects

Example 21 with Matrix

use of com.jme3.scene.plugins.blender.math.Matrix in project jmonkeyengine by jMonkeyEngine.

the class BoundingBox method transform.

public BoundingVolume transform(Matrix4f trans, BoundingVolume store) {
    BoundingBox box;
    if (store == null || store.getType() != Type.AABB) {
        box = new BoundingBox();
    } else {
        box = (BoundingBox) store;
    }
    TempVars vars = TempVars.get();
    float w = trans.multProj(center, box.center);
    box.center.divideLocal(w);
    Matrix3f transMatrix = vars.tempMat3;
    trans.toRotationMatrix(transMatrix);
    // Make the rotation matrix all positive to get the maximum x/y/z extent
    transMatrix.absoluteLocal();
    vars.vect1.set(xExtent, yExtent, zExtent);
    transMatrix.mult(vars.vect1, vars.vect1);
    // Assign the biggest rotations after scales.
    box.xExtent = FastMath.abs(vars.vect1.getX());
    box.yExtent = FastMath.abs(vars.vect1.getY());
    box.zExtent = FastMath.abs(vars.vect1.getZ());
    vars.release();
    return box;
}

Example 22 with Matrix

use of com.jme3.scene.plugins.blender.math.Matrix in project jmonkeyengine by jMonkeyEngine.

the class SinglePassAndImageBasedLightingLogic method updateLightListUniforms.

/**
     * Uploads the lights in the light list as two uniform arrays.<br/><br/> *
     * <p>
     * <code>uniform vec4 g_LightColor[numLights];</code><br/> //
     * g_LightColor.rgb is the diffuse/specular color of the light.<br/> //
     * g_Lightcolor.a is the type of light, 0 = Directional, 1 = Point, <br/> //
     * 2 = Spot. <br/> <br/>
     * <code>uniform vec4 g_LightPosition[numLights];</code><br/> //
     * g_LightPosition.xyz is the position of the light (for point lights)<br/>
     * // or the direction of the light (for directional lights).<br/> //
     * g_LightPosition.w is the inverse radius (1/r) of the light (for
     * attenuation) <br/> </p>
     */
protected int updateLightListUniforms(Shader shader, Geometry g, LightList lightList, int numLights, RenderManager rm, int startIndex, int lastTexUnit) {
    if (numLights == 0) {
        // this shader does not do lighting, ignore.
        return 0;
    }
    Uniform lightData = shader.getUniform("g_LightData");
    //8 lights * max 3
    lightData.setVector4Length(numLights * 3);
    Uniform ambientColor = shader.getUniform("g_AmbientLightColor");
    Uniform lightProbeData = shader.getUniform("g_LightProbeData");
    lightProbeData.setVector4Length(1);
    Uniform lightProbeIrrMap = shader.getUniform("g_IrradianceMap");
    Uniform lightProbePemMap = shader.getUniform("g_PrefEnvMap");
    lightProbe = null;
    if (startIndex != 0) {
        // apply additive blending for 2nd and future passes
        rm.getRenderer().applyRenderState(ADDITIVE_LIGHT);
        ambientColor.setValue(VarType.Vector4, ColorRGBA.Black);
    } else {
        lightProbe = extractIndirectLights(lightList, true);
        ambientColor.setValue(VarType.Vector4, ambientLightColor);
    }
    //If there is a lightProbe in the list we force it's render on the first pass
    if (lightProbe != null) {
        BoundingSphere s = (BoundingSphere) lightProbe.getBounds();
        lightProbeData.setVector4InArray(lightProbe.getPosition().x, lightProbe.getPosition().y, lightProbe.getPosition().z, 1f / s.getRadius(), 0);
        //assigning new texture indexes
        int irrUnit = lastTexUnit++;
        int pemUnit = lastTexUnit++;
        rm.getRenderer().setTexture(irrUnit, lightProbe.getIrradianceMap());
        lightProbeIrrMap.setValue(VarType.Int, irrUnit);
        rm.getRenderer().setTexture(pemUnit, lightProbe.getPrefilteredEnvMap());
        lightProbePemMap.setValue(VarType.Int, pemUnit);
    } else {
        //Disable IBL for this pass
        lightProbeData.setVector4InArray(0, 0, 0, -1, 0);
    }
    int lightDataIndex = 0;
    TempVars vars = TempVars.get();
    Vector4f tmpVec = vars.vect4f1;
    int curIndex;
    int endIndex = numLights + startIndex;
    for (curIndex = startIndex; curIndex < endIndex && curIndex < lightList.size(); curIndex++) {
        Light l = lightList.get(curIndex);
        if (l.getType() == Light.Type.Ambient) {
            endIndex++;
            continue;
        }
        ColorRGBA color = l.getColor();
        if (l.getType() != Light.Type.Probe) {
            lightData.setVector4InArray(color.getRed(), color.getGreen(), color.getBlue(), l.getType().getId(), lightDataIndex);
            lightDataIndex++;
        }
        switch(l.getType()) {
            case Directional:
                DirectionalLight dl = (DirectionalLight) l;
                Vector3f dir = dl.getDirection();
                //Data directly sent in view space to avoid a matrix mult for each pixel
                tmpVec.set(dir.getX(), dir.getY(), dir.getZ(), 0.0f);
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), -1, lightDataIndex);
                lightDataIndex++;
                //PADDING
                lightData.setVector4InArray(0, 0, 0, 0, lightDataIndex);
                lightDataIndex++;
                break;
            case Point:
                PointLight pl = (PointLight) l;
                Vector3f pos = pl.getPosition();
                float invRadius = pl.getInvRadius();
                tmpVec.set(pos.getX(), pos.getY(), pos.getZ(), 1.0f);
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), invRadius, lightDataIndex);
                lightDataIndex++;
                //PADDING
                lightData.setVector4InArray(0, 0, 0, 0, lightDataIndex);
                lightDataIndex++;
                break;
            case Spot:
                SpotLight sl = (SpotLight) l;
                Vector3f pos2 = sl.getPosition();
                Vector3f dir2 = sl.getDirection();
                float invRange = sl.getInvSpotRange();
                float spotAngleCos = sl.getPackedAngleCos();
                tmpVec.set(pos2.getX(), pos2.getY(), pos2.getZ(), 1.0f);
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), invRange, lightDataIndex);
                lightDataIndex++;
                tmpVec.set(dir2.getX(), dir2.getY(), dir2.getZ(), 0.0f);
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), spotAngleCos, lightDataIndex);
                lightDataIndex++;
                break;
            default:
                throw new UnsupportedOperationException("Unknown type of light: " + l.getType());
        }
    }
    vars.release();
    //Padding of unsued buffer space
    while (lightDataIndex < numLights * 3) {
        lightData.setVector4InArray(0f, 0f, 0f, 0f, lightDataIndex);
        lightDataIndex++;
    }
    return curIndex;
}

Example 23 with Matrix

use of com.jme3.scene.plugins.blender.math.Matrix in project jmonkeyengine by jMonkeyEngine.

the class SinglePassLightingLogic method updateLightListUniforms.

/**
     * Uploads the lights in the light list as two uniform arrays.<br/><br/> *
     * <p>
     * <code>uniform vec4 g_LightColor[numLights];</code><br/> //
     * g_LightColor.rgb is the diffuse/specular color of the light.<br/> //
     * g_Lightcolor.a is the type of light, 0 = Directional, 1 = Point, <br/> //
     * 2 = Spot. <br/> <br/>
     * <code>uniform vec4 g_LightPosition[numLights];</code><br/> //
     * g_LightPosition.xyz is the position of the light (for point lights)<br/>
     * // or the direction of the light (for directional lights).<br/> //
     * g_LightPosition.w is the inverse radius (1/r) of the light (for
     * attenuation) <br/> </p>
     */
protected int updateLightListUniforms(Shader shader, Geometry g, LightList lightList, int numLights, RenderManager rm, int startIndex) {
    if (numLights == 0) {
        // this shader does not do lighting, ignore.
        return 0;
    }
    Uniform lightData = shader.getUniform("g_LightData");
    //8 lights * max 3
    lightData.setVector4Length(numLights * 3);
    Uniform ambientColor = shader.getUniform("g_AmbientLightColor");
    if (startIndex != 0) {
        // apply additive blending for 2nd and future passes
        rm.getRenderer().applyRenderState(ADDITIVE_LIGHT);
        ambientColor.setValue(VarType.Vector4, ColorRGBA.Black);
    } else {
        ambientColor.setValue(VarType.Vector4, getAmbientColor(lightList, true, ambientLightColor));
    }
    int lightDataIndex = 0;
    TempVars vars = TempVars.get();
    Vector4f tmpVec = vars.vect4f1;
    int curIndex;
    int endIndex = numLights + startIndex;
    for (curIndex = startIndex; curIndex < endIndex && curIndex < lightList.size(); curIndex++) {
        Light l = lightList.get(curIndex);
        if (l.getType() == Light.Type.Ambient) {
            endIndex++;
            continue;
        }
        ColorRGBA color = l.getColor();
        //Color
        lightData.setVector4InArray(color.getRed(), color.getGreen(), color.getBlue(), l.getType().getId(), lightDataIndex);
        lightDataIndex++;
        switch(l.getType()) {
            case Directional:
                DirectionalLight dl = (DirectionalLight) l;
                Vector3f dir = dl.getDirection();
                //Data directly sent in view space to avoid a matrix mult for each pixel
                tmpVec.set(dir.getX(), dir.getY(), dir.getZ(), 0.0f);
                rm.getCurrentCamera().getViewMatrix().mult(tmpVec, tmpVec);
                //                        tmpVec.divideLocal(tmpVec.w);
                //                        tmpVec.normalizeLocal();
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), -1, lightDataIndex);
                lightDataIndex++;
                //PADDING
                lightData.setVector4InArray(0, 0, 0, 0, lightDataIndex);
                lightDataIndex++;
                break;
            case Point:
                PointLight pl = (PointLight) l;
                Vector3f pos = pl.getPosition();
                float invRadius = pl.getInvRadius();
                tmpVec.set(pos.getX(), pos.getY(), pos.getZ(), 1.0f);
                rm.getCurrentCamera().getViewMatrix().mult(tmpVec, tmpVec);
                //tmpVec.divideLocal(tmpVec.w);
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), invRadius, lightDataIndex);
                lightDataIndex++;
                //PADDING
                lightData.setVector4InArray(0, 0, 0, 0, lightDataIndex);
                lightDataIndex++;
                break;
            case Spot:
                SpotLight sl = (SpotLight) l;
                Vector3f pos2 = sl.getPosition();
                Vector3f dir2 = sl.getDirection();
                float invRange = sl.getInvSpotRange();
                float spotAngleCos = sl.getPackedAngleCos();
                tmpVec.set(pos2.getX(), pos2.getY(), pos2.getZ(), 1.0f);
                rm.getCurrentCamera().getViewMatrix().mult(tmpVec, tmpVec);
                // tmpVec.divideLocal(tmpVec.w);
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), invRange, lightDataIndex);
                lightDataIndex++;
                //We transform the spot direction in view space here to save 5 varying later in the lighting shader
                //one vec4 less and a vec4 that becomes a vec3
                //the downside is that spotAngleCos decoding happens now in the frag shader.
                tmpVec.set(dir2.getX(), dir2.getY(), dir2.getZ(), 0.0f);
                rm.getCurrentCamera().getViewMatrix().mult(tmpVec, tmpVec);
                tmpVec.normalizeLocal();
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), spotAngleCos, lightDataIndex);
                lightDataIndex++;
                break;
            case Probe:
                break;
            default:
                throw new UnsupportedOperationException("Unknown type of light: " + l.getType());
        }
    }
    vars.release();
    //Padding of unsued buffer space
    while (lightDataIndex < numLights * 3) {
        lightData.setVector4InArray(0f, 0f, 0f, 0f, lightDataIndex);
        lightDataIndex++;
    }
    return curIndex;
}

Example 24 with Matrix

use of com.jme3.scene.plugins.blender.math.Matrix in project jmonkeyengine by jMonkeyEngine.

the class RenderManager method renderGeometry.

/**
     * Renders the given geometry.
     * <p>
     * First the proper world matrix is set, if 
     * the geometry's {@link Geometry#setIgnoreTransform(boolean) ignore transform}
     * feature is enabled, the identity world matrix is used, otherwise, the 
     * geometry's {@link Geometry#getWorldMatrix() world transform matrix} is used. 
     * <p>
     * Once the world matrix is applied, the proper material is chosen for rendering.
     * If a {@link #setForcedMaterial(com.jme3.material.Material) forced material} is
     * set on this RenderManager, then it is used for rendering the geometry,
     * otherwise, the {@link Geometry#getMaterial() geometry's material} is used.
     * <p>
     * If a {@link #setForcedTechnique(java.lang.String) forced technique} is
     * set on this RenderManager, then it is selected automatically
     * on the geometry's material and is used for rendering. Otherwise, one
     * of the {@link MaterialDef#getDefaultTechniques() default techniques} is
     * used.
     * <p>
     * If a {@link #setForcedRenderState(com.jme3.material.RenderState) forced
     * render state} is set on this RenderManager, then it is used
     * for rendering the material, and the material's own render state is ignored.
     * Otherwise, the material's render state is used as intended.
     * 
     * @param geom The geometry to render
       * 
     * @see Technique
     * @see RenderState
     * @see Material#selectTechnique(java.lang.String, com.jme3.renderer.RenderManager) 
     * @see Material#render(com.jme3.scene.Geometry, com.jme3.renderer.RenderManager) 
     */
public void renderGeometry(Geometry geom) {
    if (geom.isIgnoreTransform()) {
        setWorldMatrix(Matrix4f.IDENTITY);
    } else {
        setWorldMatrix(geom.getWorldMatrix());
    }
    // Perform light filtering if we have a light filter.
    LightList lightList = geom.getWorldLightList();
    if (lightFilter != null) {
        filteredLightList.clear();
        lightFilter.filterLights(geom, filteredLightList);
        lightList = filteredLightList;
    }
    Material material = geom.getMaterial();
    //else the geom is not rendered
    if (forcedTechnique != null) {
        MaterialDef matDef = material.getMaterialDef();
        if (matDef.getTechniqueDefs(forcedTechnique) != null) {
            Technique activeTechnique = material.getActiveTechnique();
            String previousTechniqueName = activeTechnique != null ? activeTechnique.getDef().getName() : TechniqueDef.DEFAULT_TECHNIQUE_NAME;
            geom.getMaterial().selectTechnique(forcedTechnique, this);
            //saving forcedRenderState for future calls
            RenderState tmpRs = forcedRenderState;
            if (geom.getMaterial().getActiveTechnique().getDef().getForcedRenderState() != null) {
                //forcing forced technique renderState
                forcedRenderState = geom.getMaterial().getActiveTechnique().getDef().getForcedRenderState();
            }
            // use geometry's material
            material.render(geom, lightList, this);
            material.selectTechnique(previousTechniqueName, this);
            //restoring forcedRenderState
            forcedRenderState = tmpRs;
        //Reverted this part from revision 6197
        //If forcedTechnique does not exists, and forcedMaterial is not set, the geom MUST NOT be rendered
        } else if (forcedMaterial != null) {
            // use forced material
            forcedMaterial.render(geom, lightList, this);
        }
    } else if (forcedMaterial != null) {
        // use forced material
        forcedMaterial.render(geom, lightList, this);
    } else {
        material.render(geom, lightList, this);
    }
}

Example 25 with Matrix

use of com.jme3.scene.plugins.blender.math.Matrix in project jmonkeyengine by jMonkeyEngine.

the class Matrix3f method fillFloatBuffer.

/**
     * <code>fillFloatBuffer</code> fills a FloatBuffer object with the matrix
     * data.
     * 
     * @param fb
     *            the buffer to fill, starting at current position. Must have
     *            room for 9 more floats.
     * @return matrix data as a FloatBuffer. (position is advanced by 9 and any
     *         limit set is not changed).
     */
public FloatBuffer fillFloatBuffer(FloatBuffer fb, boolean columnMajor) {
    //        if (columnMajor){
    //            fb.put(m00).put(m10).put(m20);
    //            fb.put(m01).put(m11).put(m21);
    //            fb.put(m02).put(m12).put(m22);
    //        }else{
    //            fb.put(m00).put(m01).put(m02);
    //            fb.put(m10).put(m11).put(m12);
    //            fb.put(m20).put(m21).put(m22);
    //        }
    TempVars vars = TempVars.get();
    fillFloatArray(vars.matrixWrite, columnMajor);
    fb.put(vars.matrixWrite, 0, 9);
    vars.release();
    return fb;
}