Examples with FloatByReference com.sun.jna.ptr.FloatByReference used on opensource projects

Example 1 with FloatByReference

use of com.sun.jna.ptr.FloatByReference in project jmonkeyengine by jMonkeyEngine.

the class VRBounds method init.

/**
     * Initialize the VR bounds.
     * @return <code>true</code> if the initialization is a success and <code>false</code> otherwise.
     */
public static boolean init() {
    logger.config("Initialize VR bounds...");
    if (vrChaperone == null) {
        vrChaperone = new VR_IVRChaperone_FnTable(JOpenVRLibrary.VR_GetGenericInterface(JOpenVRLibrary.IVRChaperone_Version, OpenVR.hmdErrorStore).getPointer());
        if (vrChaperone != null) {
            vrChaperone.setAutoSynch(false);
            vrChaperone.read();
            FloatByReference fbX = new FloatByReference();
            FloatByReference fbZ = new FloatByReference();
            vrChaperone.GetPlayAreaSize.apply(fbX, fbZ);
            playSize = new Vector2f(fbX.getValue(), fbZ.getValue());
            logger.config("Initialize VR bounds [SUCCESS]");
            // init success
            return true;
        }
        logger.warning("Initialize VR bounds [FAILED].");
        // failed to init
        return false;
    }
    logger.config("Initialize VR bounds already done.");
    // already initialized
    return true;
}

Example 2 with FloatByReference

use of com.sun.jna.ptr.FloatByReference in project jmonkeyengine by jMonkeyEngine.

the class OpenVR method initialize.

@Override
public boolean initialize() {
    logger.config("Initializing OpenVR system...");
    hmdErrorStore = new IntByReference();
    vrsystemFunctions = null;
    JOpenVRLibrary.VR_InitInternal(hmdErrorStore, JOpenVRLibrary.EVRApplicationType.EVRApplicationType_VRApplication_Scene);
    if (hmdErrorStore.getValue() == 0) {
        vrsystemFunctions = new VR_IVRSystem_FnTable(JOpenVRLibrary.VR_GetGenericInterface(JOpenVRLibrary.IVRSystem_Version, hmdErrorStore).getPointer());
    }
    if (vrsystemFunctions == null || hmdErrorStore.getValue() != 0) {
        logger.severe("OpenVR Initialize Result: " + JOpenVRLibrary.VR_GetVRInitErrorAsEnglishDescription(hmdErrorStore.getValue()).getString(0));
        logger.severe("Initializing OpenVR system [FAILED]");
        return false;
    } else {
        logger.config("OpenVR initialized & VR connected.");
        vrsystemFunctions.setAutoSynch(false);
        vrsystemFunctions.read();
        tlastVsync = new FloatByReference();
        _tframeCount = new LongByReference();
        hmdDisplayFrequency = IntBuffer.allocate(1);
        hmdDisplayFrequency.put((int) JOpenVRLibrary.ETrackedDeviceProperty.ETrackedDeviceProperty_Prop_DisplayFrequency_Float);
        hmdTrackedDevicePoseReference = new TrackedDevicePose_t.ByReference();
        hmdTrackedDevicePoses = (TrackedDevicePose_t[]) hmdTrackedDevicePoseReference.toArray(JOpenVRLibrary.k_unMaxTrackedDeviceCount);
        poseMatrices = new Matrix4f[JOpenVRLibrary.k_unMaxTrackedDeviceCount];
        for (int i = 0; i < poseMatrices.length; i++) poseMatrices[i] = new Matrix4f();
        timePerFrame = 1.0 / hmdDisplayFrequency.get(0);
        // disable all this stuff which kills performance
        hmdTrackedDevicePoseReference.setAutoRead(false);
        hmdTrackedDevicePoseReference.setAutoWrite(false);
        hmdTrackedDevicePoseReference.setAutoSynch(false);
        for (int i = 0; i < JOpenVRLibrary.k_unMaxTrackedDeviceCount; i++) {
            hmdTrackedDevicePoses[i].setAutoRead(false);
            hmdTrackedDevicePoses[i].setAutoWrite(false);
            hmdTrackedDevicePoses[i].setAutoSynch(false);
        }
        // init controllers for the first time
        VRinput = new OpenVRInput(environment);
        VRinput.init();
        VRinput.updateConnectedControllers();
        // init bounds & chaperone info
        VRBounds.init();
        logger.config("Initializing OpenVR system [SUCCESS]");
        initSuccess = true;
        return true;
    }
}

Example 3 with FloatByReference

use of com.sun.jna.ptr.FloatByReference in project jna by java-native-access.

the class ByReferenceArgumentsTest method testFloatByReference.

public void testFloatByReference() {
    FloatByReference fref = new FloatByReference(1f);
    lib.complementFloatByReference(fref);
    assertEquals("Float argument not modified", -1f, fref.getValue(), 0.0);
}