Java 类android.renderscript.Mesh 实例源码

@Override
public ScriptC createScript() {
    ProgramFragmentFixedFunction.Builder pfb = new ProgramFragmentFixedFunction.Builder(
            getRS());
    pfb.setVaryingColor(true);
    getRS().bindProgramFragment(pfb.create());

    ScriptField_Snow snow = new ScriptField_Snow(mRS, SNOW_FLAKES);
    Mesh.AllocationBuilder smb = new Mesh.AllocationBuilder(mRS);
    smb.addVertexAllocation(snow.getAllocation());
    smb.addIndexSetType(Mesh.Primitive.POINT);
    Mesh sm = smb.create();

    mScript = new ScriptC_snow(mRS, getResources(), R.raw.snow);
    mScript.set_snowMesh(sm);
    mScript.bind_snow(snow);
    mScript.invoke_initSnow();
    return mScript;
}

/**
 * Loads geometry from a resource id.
 *
 * @param resId
 * @return the loaded mesh or null if it cannot be loaded
 */
public Mesh loadGeometry(int resId) {
    if (mRenderScript != null) {
      return mRenderScript.loadGeometry(resId);
    }
    return null;
}

/**
 * Load A3D file from resource. If resId == 0, will clear geometry for this item.
 * @param n The card to set the geometry for
 * @param resId The resource ID for the geometry for that item
 * @see {@link #setDefaultGeometry}
 */
public void setGeometryForItem(int n, int resId) {
    if (mRenderScript != null) {
        Mesh mesh = mRenderScript.loadGeometry(resId);
        mRenderScript.setGeometry(n, mesh);
    }
}

@Override
public void handleMessage(Message msg) {
    int id = msg.arg1;
    if (id >= mCarouselView.getCardCount()) {
        Log.e(TAG, "Index out of range for set, card:" + id);
        return;
    }

    switch (msg.what) {
        case SET_TEXTURE_N:
            mCarouselView.setTextureForItem(id, (Bitmap) msg.obj);
            break;

        case SET_DETAIL_TEXTURE_N:
            DetailTextureParameters params = getDetailTextureParameters(id);
            float x = params != null ? params.textureOffsetX : 0.0f;
            float y = params != null ? params.textureOffsetY : 0.0f;
            float lx = params != null ? params.lineOffsetX : 0.0f;
            float ly = params != null ? params.lineOffsetY : 0.0f;
            mCarouselView.setDetailTextureForItem(id, x, y, lx, ly, (Bitmap) msg.obj);
            break;

        case SET_GEOMETRY_N:
            mCarouselView.setGeometryForItem(id, (Mesh) msg.obj);
            break;

        case SET_MATRIX_N:
            mCarouselView.setMatrixForItem(id, (float[]) msg.obj);
            break;
    }
}

public void init(RenderScriptGL rs, Resources res, int width, int height) {
    mRS = rs;
    mRes = res;

    ProgramFragmentFixedFunction.Builder pfb = new ProgramFragmentFixedFunction.Builder(rs);
    pfb.setPointSpriteTexCoordinateReplacement(true);
    pfb.setTexture(ProgramFragmentFixedFunction.Builder.EnvMode.MODULATE,
                       ProgramFragmentFixedFunction.Builder.Format.RGBA, 0);
    pfb.setVaryingColor(true);
    mPFPoints = pfb.create();

    pfb = new ProgramFragmentFixedFunction.Builder(rs);
    pfb.setVaryingColor(true);
    mPFLines = pfb.create();

    android.util.Log.e("rs", "Load texture");
    mPFPoints.bindTexture(loadTexture(R.drawable.flares), 0);

    mPoints = new ScriptField_Point(mRS, PART_COUNT, Allocation.USAGE_SCRIPT);

    Mesh.AllocationBuilder smb = new Mesh.AllocationBuilder(mRS);
    smb.addVertexAllocation(mPoints.getAllocation());
    smb.addIndexSetType(Mesh.Primitive.POINT);
    Mesh smP = smb.create();

    mPhysicsScript = new ScriptC_ball_physics(mRS, mRes, R.raw.ball_physics);

    mScript = new ScriptC_balls(mRS, mRes, R.raw.balls);
    mScript.set_partMesh(smP);
    mScript.set_physics_script(mPhysicsScript);
    mScript.bind_point(mPoints);
    mScript.bind_balls1(new ScriptField_Ball(mRS, PART_COUNT, Allocation.USAGE_SCRIPT));
    mScript.bind_balls2(new ScriptField_Ball(mRS, PART_COUNT, Allocation.USAGE_SCRIPT));

    mScript.set_gPFLines(mPFLines);
    mScript.set_gPFPoints(mPFPoints);
    createProgramVertex();

    mRS.bindProgramStore(BLEND_ADD_DEPTH_NONE(mRS));

    mPhysicsScript.set_gMinPos(new Float2(5, 5));
    mPhysicsScript.set_gMaxPos(new Float2(width - 5, height - 5));

    mScript.invoke_initParts(width, height);

    mRS.bindRootScript(mScript);
}

/**
 * This geometry will be shown when no geometry has been loaded for a given slot. If not set,
 * a quad will be drawn in its place. It is shared for all cards. If something other than
 * simple planar geometry is used, consider enabling depth test with
 * {@link CarouselController#setForceBlendCardsWithZ(boolean)}
 *
 * @param mesh
 */
public void setDefaultGeometry(int resId) {
    mDefaultGeometry = resId;
    if (mRenderScript != null) {
        Mesh mesh = mRenderScript.loadGeometry(resId);
        mRenderScript.setDefaultGeometry(mesh);
    }
}

/**
 * This is an intermediate version of the object to show while geometry is loading. If not set,
 * a quad will be drawn in its place.  It is shared for all cards. If something other than
 * simple planar geometry is used, consider enabling depth test with
 * {@link CarouselView#setForceBlendCardsWithZ(boolean)}
 *
 * @param resId
 */
public void setLoadingGeometry(int resId) {
    mLoadingGeometry = resId;
    if (mRenderScript != null) {
        Mesh mesh = mRenderScript.loadGeometry(resId);
        mRenderScript.setLoadingGeometry(mesh);
    }
}

/**
 * Loads geometry from a resource id.
 *
 * @param resId
 * @return the loaded mesh or null if it cannot be loaded
 */
public Mesh loadGeometry(int resId) {
    return mController.loadGeometry(resId);
}

/**
 * Set the geometry for a given item.
 * @param n
 * @param mesh
 */
public void setGeometryForItem(int n, Mesh mesh) {
    mController.setGeometryForItem(n, mesh);
}

/**
 * Set the geometry to show for a given slot.
 * @param n The card to set the geometry for
 * @param mesh The geometry for that item
 * @see {@link #setDefaultGeometry}
 */
public void setGeometryForItem(int n, Mesh mesh) {
    if (mRenderScript != null) {
        mRenderScript.setGeometry(n, mesh);
    }
}

/**
 * Implement this method if you want to load geometry for the given card.  Most subclasses
 * will implement this. Note: this will generally <b>not</b> be called in the UI thread,
 * so proper locking should be ensured.
 *
 * @param id
 * @return
 */
public Mesh getGeometry(int id) {
    return null;
}