539 lines
17 KiB
C
539 lines
17 KiB
C
/*
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* Copyright (c) 2002-2004 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* $Id$
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*
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* Win32 controller handling.
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*
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* @author Brian Matzon <brian@matzon.com>
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* @version $Revision$
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*/
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#undef DIRECTINPUT_VERSION
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#define DIRECTINPUT_VERSION 0x0500
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#include "Window.h"
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#include "org_lwjgl_input_Controller.h"
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#include <dinput.h>
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#include "common_tools.h"
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#define CONTROLLER_AXISMAX 1000 // Maxmimum range to which we'll gauge the swing
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#define CONTROLLER_AXISMIN -1000 // Minimum range to which we'll gauge the swing
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extern HINSTANCE dll_handle;
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static IDirectInput* cDI; // DI instance
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static IDirectInputDevice2* cDIDevice; // DI Device instance
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static DIJOYSTATE2 cJS; // State of Controller
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static int cButtoncount = 0; // Temporary buttoncount
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static bool cHasx; // Temporary xaxis check
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static bool cHasrx; // Temporary rotational xaxis check
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static bool cHasy; // Temporary yaxis check
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static bool cHasry; // Temporary rotational yaxis check
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static bool cHasz; // Temporary zaxis check
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static bool cHasrz; // Temporary rotational zaxis check
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static bool cHaspov; // Temporary pov check
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static bool cHasslider; // Temporary slider check
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static bool cCreate_success; // bool used to determine successfull creation
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static bool cFirstTimeInitialization = true; // boolean to determine first time initialization
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// Cached fields of Controller.java
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static jfieldID fidCButtonCount;
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static jfieldID fidCHasXAxis;
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static jfieldID fidCHasRXAxis;
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static jfieldID fidCHasYAxis;
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static jfieldID fidCHasRYAxis;
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static jfieldID fidCHasZAxis;
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static jfieldID fidCHasRZAxis;
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static jfieldID fidCHasPOV;
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static jfieldID fidCHasSlider;
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static jfieldID fidCButtons;
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static jfieldID fidCX;
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static jfieldID fidCRX;
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static jfieldID fidCY;
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static jfieldID fidCRY;
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static jfieldID fidCZ;
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static jfieldID fidCRZ;
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static jfieldID fidCPOV;
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static jfieldID fidCSlider;
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// Function prototypes (defined in the cpp file, since header file is generic across platforms
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void EnumerateControllerCapabilities();
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void EnumerateControllers();
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BOOL CALLBACK EnumControllerCallback(LPCDIDEVICEINSTANCE pdinst, LPVOID pvRef);
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BOOL CALLBACK EnumControllerObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef);
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void ShutdownController();
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void CreateController(LPCDIDEVICEINSTANCE lpddi);
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void SetupController();
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void InitializeControllerFields(JNIEnv *env, jclass clsController);
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void CacheControllerFields(JNIEnv *env, jclass clsController);
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void UpdateControllerFields(JNIEnv *env, jclass clsController);
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void SetControllerCapabilities(JNIEnv *env, jclass clsController);
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/**
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* Initializes any field ids
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_input_Controller_initIDs(JNIEnv * env, jclass clazz) {
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/* Cache fields in Controller */
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CacheControllerFields(env, clazz);
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}
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/**
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* Called when the Controller instance is to be created
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_input_Controller_nCreate(JNIEnv *env, jclass clazz) {
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// Create the DirectInput object.
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HRESULT hr;
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hr = DirectInputCreate(dll_handle, DIRECTINPUT_VERSION, &cDI, NULL);
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if (FAILED(hr)) {
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ShutdownController();
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throwException(env, "DirectInputCreate failed\n");
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return;
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}
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/* Find all Controllers */
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EnumerateControllers();
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if (!cCreate_success) {
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ShutdownController();
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throwException(env, "Failed to enumerate.");
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return;
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}
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/* check that we got at least 1 controller */
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if (cDIDevice == NULL) {
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ShutdownController();
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throwException(env, "No devices found.");
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return;
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}
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//check for first time initialization - need to detect capabilities
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if (cFirstTimeInitialization) {
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cFirstTimeInitialization = false;
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/* Enumerate capabilities of Controller */
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EnumerateControllerCapabilities();
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if (!cCreate_success) {
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ShutdownController();
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throwException(env, "Falied to enumerate capabilities.");
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return;
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}
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/* Do setup of Controller */
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SetupController();
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/* Initialize any fields on the Controller */
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InitializeControllerFields(env, clazz);
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/* Set capabilities */
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SetControllerCapabilities(env, clazz);
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} else {
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if(cCreate_success) {
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/* Do setup of Controller */
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SetupController();
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/* Initialize any fields on the Controller */
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InitializeControllerFields(env, clazz);
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}
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}
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/* Aquire the Controller */
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hr = IDirectInputDevice_Acquire(cDIDevice);
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if(FAILED(hr)) {
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ShutdownController();
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throwException(env, "Acquire failed");
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return;
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}
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}
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/*
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* Class: org_lwjgl_input_Controller
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* Method: nDestroy
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* Signature: ()V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_input_Controller_nDestroy(JNIEnv *env, jclass clazz) {
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ShutdownController();
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}
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/*
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* Class: org_lwjgl_input_Controller
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* Method: nPoll
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* Signature: ()V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_input_Controller_nPoll(JNIEnv * env, jclass clazz) {
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HRESULT hRes;
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// poll the Controller to read the current state
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hRes = IDirectInputDevice2_Poll(cDIDevice);
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if (FAILED(hRes)) {
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printfDebug("Poll fail\n");
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//check if we need to reaquire
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if(hRes == DIERR_INPUTLOST || hRes == DIERR_NOTACQUIRED) {
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IDirectInputDevice_Acquire(cDIDevice);
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printfDebug("DIERR_INPUTLOST, reaquiring input : cCreate_success=%d\n", cCreate_success);
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}
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return;
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}
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UpdateControllerFields(env, clazz);
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}
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/**
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* Shutdown DI
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*/
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static void ShutdownController() {
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// release device
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if (cDIDevice != NULL) {
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IDirectInputDevice_Unacquire(cDIDevice);
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IDirectInputDevice_Release(cDIDevice);
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cDIDevice = NULL;
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}
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}
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/**
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* Enumerates the capabilities of the Controller attached to the system
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*/
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static void EnumerateControllerCapabilities() {
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HRESULT hr;
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hr = IDirectInputDevice_EnumObjects(cDIDevice, EnumControllerObjectsCallback, NULL, DIDFT_ALL);
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if FAILED(hr) {
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printfDebug("EnumObjects failed\n");
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cCreate_success = false;
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return;
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}
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cCreate_success = true;
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}
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/**
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* Enumerates the Controllers attached to the system
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*/
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static void EnumerateControllers() {
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HRESULT hr;
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hr = IDirectInput_EnumDevices(cDI, DIDEVTYPE_JOYSTICK, EnumControllerCallback, 0, DIEDFL_ATTACHEDONLY);
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if FAILED(hr) {
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printfDebug("EnumDevices failed\n");
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cCreate_success = false;
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return;
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}
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cCreate_success = true;
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}
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/**
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* Callback from EnumDevices. Called for each Controller attached to the system
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*/
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BOOL CALLBACK EnumControllerCallback(LPCDIDEVICEINSTANCE pdinst, LPVOID pvRef) {
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/* Add the Controller */
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CreateController(pdinst);
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/* just stop after 1st Controller */
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return DIENUM_STOP;
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}
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/**
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* Callback from EnumObjects. Called for each "object" on the Controller.
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*/
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BOOL CALLBACK EnumControllerObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef) {
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printfDebug("found %s\n", lpddoi->tszName);
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if(IsEqualGUID(&lpddoi->guidType, &GUID_Button)) {
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cButtoncount++;
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} else if(IsEqualGUID(&lpddoi->guidType, &GUID_XAxis)) {
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cHasx = true;
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} else if(IsEqualGUID(&lpddoi->guidType, &GUID_YAxis)) {
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cHasy = true;
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} else if(IsEqualGUID(&lpddoi->guidType, &GUID_ZAxis)) {
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cHasz = true;
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} else if (IsEqualGUID(&lpddoi->guidType, &GUID_POV)) {
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cHaspov = true;
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} else if (IsEqualGUID(&lpddoi->guidType, &GUID_Slider)) {
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cHasslider = true;
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} else if (IsEqualGUID(&lpddoi->guidType, &GUID_RxAxis)) {
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cHasrx = true;
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} else if (IsEqualGUID(&lpddoi->guidType, &GUID_RyAxis)) {
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cHasry = true;
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} else if (IsEqualGUID(&lpddoi->guidType, &GUID_RzAxis)) {
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cHasrz = true;
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} else {
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printfDebug("Unhandled object found: %s\n", lpddoi->tszName);
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}
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return DIENUM_CONTINUE;
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}
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/**
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* Creates the specified device as a Controller
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*/
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static void CreateController(LPCDIDEVICEINSTANCE lpddi) {
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HRESULT hr;
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hr = IDirectInput_CreateDevice(cDI, &lpddi->guidInstance, (LPDIRECTINPUTDEVICE*) &cDIDevice, NULL);
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if FAILED(hr) {
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printfDebug("CreateDevice failed\n");
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cCreate_success = false;
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return;
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}
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cCreate_success = true;
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}
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/**
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* Sets up the Controller properties
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*/
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static void SetupController() {
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DIPROPRANGE diprg;
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// set Controller data format
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if(IDirectInputDevice_SetDataFormat(cDIDevice, &c_dfDIJoystick2) != DI_OK) {
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printfDebug("SetDataFormat failed\n");
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cCreate_success = false;
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return;
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}
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// set the cooperative level
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if(IDirectInputDevice_SetCooperativeLevel(cDIDevice, getCurrentHWND(), DISCL_EXCLUSIVE | DISCL_FOREGROUND) != DI_OK) {
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printfDebug("SetCooperativeLevel failed\n");
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cCreate_success = false;
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return;
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}
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// set range to (-1000 ... +1000)
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// This lets us test against 0 to see which way the stick is pointed.
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diprg.diph.dwSize = sizeof(diprg);
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diprg.diph.dwHeaderSize = sizeof(diprg.diph);
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diprg.diph.dwHow = DIPH_BYOFFSET;
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diprg.lMin = CONTROLLER_AXISMIN;
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diprg.lMax = CONTROLLER_AXISMAX;
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// set X-axis
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if(cHasx) {
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diprg.diph.dwObj = DIJOFS_X;
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if(IDirectInputDevice_SetProperty(cDIDevice, DIPROP_RANGE, &diprg.diph) != DI_OK) {
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printfDebug("SetProperty(DIJOFS_X) failed\n");
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cCreate_success = false;
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return;
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}
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}
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// set RX-axis
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if(cHasrx) {
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diprg.diph.dwObj = DIJOFS_RX;
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if(IDirectInputDevice_SetProperty(cDIDevice, DIPROP_RANGE, &diprg.diph) != DI_OK) {
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printfDebug("SetProperty(DIJOFS_RX) failed\n");
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cCreate_success = false;
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return;
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}
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}
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// set Y-axis
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if(cHasy) {
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diprg.diph.dwObj = DIJOFS_Y;
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if(IDirectInputDevice_SetProperty(cDIDevice, DIPROP_RANGE, &diprg.diph) != DI_OK) {
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printfDebug("SetProperty(DIJOFS_Y) failed\n");
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cCreate_success = false;
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return;
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}
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}
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// set RY-axis
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if(cHasry) {
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diprg.diph.dwObj = DIJOFS_RY;
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if(IDirectInputDevice_SetProperty(cDIDevice, DIPROP_RANGE, &diprg.diph) != DI_OK) {
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printfDebug("SetProperty(DIJOFS_RY) failed\n");
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cCreate_success = false;
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return;
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}
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}
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// set Z-axis
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if(cHasz) {
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diprg.diph.dwObj = DIJOFS_Z;
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if(IDirectInputDevice_SetProperty(cDIDevice, DIPROP_RANGE, &diprg.diph) != DI_OK) {
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printfDebug("SetProperty(DIJOFS_Z) failed\n");
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cCreate_success = false;
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return;
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}
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}
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// set RZ-axis
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if(cHasrz) {
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diprg.diph.dwObj = DIJOFS_RZ;
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if(IDirectInputDevice_SetProperty(cDIDevice, DIPROP_RANGE, &diprg.diph) != DI_OK) {
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printfDebug("SetProperty(DIJOFS_RZ) failed\n");
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cCreate_success = false;
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return;
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}
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}
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//
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// Lastly slider
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// using z axis since we're running dx 5
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//
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if(cHasslider) {
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diprg.diph.dwObj = DIJOFS_Z;
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if(IDirectInputDevice_SetProperty(cDIDevice, DIPROP_RANGE, &diprg.diph) != DI_OK) {
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printfDebug("SetProperty(DIJOFS_Z(SLIDER)) failed\n");
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cCreate_success = false;
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return;
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}
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}
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cCreate_success = true;
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}
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/**
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* Sets the fields on the Controller
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*/
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static void InitializeControllerFields(JNIEnv *env, jclass clsController) {
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//create buttons array
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jbooleanArray cButtonsArray = (*env)->NewBooleanArray(env, cButtoncount);
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//set buttons array
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(*env)->SetStaticObjectField(env, clsController, fidCButtons, cButtonsArray);
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}
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/**
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* Updates the fields on the Controller
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*/
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static void UpdateControllerFields(JNIEnv *env, jclass clsController) {
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int i;
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jbyteArray buttonsArray;
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HRESULT hRes;
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// get data from the Controller
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hRes = IDirectInputDevice_GetDeviceState(cDIDevice, sizeof(DIJOYSTATE2), &cJS);
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if (hRes != DI_OK) {
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// did the read fail because we lost input for some reason?
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// if so, then attempt to reacquire.
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if(hRes == DIERR_INPUTLOST || hRes == DIERR_NOTACQUIRED) {
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IDirectInputDevice_Acquire(cDIDevice);
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printfDebug("DIERR_INPUTLOST, reaquiring input : cCreate_success=%d\n", cCreate_success);
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}
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printfDebug("Error getting controller state: %d\n", hRes);
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return;
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}
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//axis's
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if(cHasx) {
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(*env)->SetStaticIntField(env, clsController, fidCX, cJS.lX);
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}
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if(cHasy) {
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(*env)->SetStaticIntField(env, clsController, fidCY, cJS.lY);
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}
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if(cHasz) {
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(*env)->SetStaticIntField(env, clsController, fidCZ, cJS.lZ);
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}
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//rotational axis
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if(cHasrx) {
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(*env)->SetStaticIntField(env, clsController, fidCRX, cJS.lRx);
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}
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if(cHasry) {
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(*env)->SetStaticIntField(env, clsController, fidCRY, cJS.lRy);
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}
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if(cHasrz) {
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(*env)->SetStaticIntField(env, clsController, fidCRZ, cJS.lRz);
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}
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//buttons
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for (i = 0; i < cButtoncount; i++) {
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if (cJS.rgbButtons[i] != 0) {
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cJS.rgbButtons[i] = 1;
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} else {
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cJS.rgbButtons[i] = 0;
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}
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}
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buttonsArray = (jbyteArray) (*env)->GetStaticObjectField(env, clsController, fidCButtons);
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(*env)->SetByteArrayRegion(env, buttonsArray, 0, cButtoncount, (jbyte *)cJS.rgbButtons);
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//pov
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if(cHaspov) {
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(*env)->SetStaticIntField(env, clsController, fidCPOV, cJS.rgdwPOV[0]);
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}
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//slider
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if(cHasslider) {
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(*env)->SetStaticIntField(env, clsController, fidCSlider, cJS.lZ);
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}
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}
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/**
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* Sets the capabilities of the Controller
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*/
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static void SetControllerCapabilities(JNIEnv *env, jclass clsController) {
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//set buttoncount
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(*env)->SetStaticIntField(env, clsController, fidCButtonCount, cButtoncount);
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//set axis
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(*env)->SetStaticBooleanField(env, clsController, fidCHasXAxis, cHasx);
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(*env)->SetStaticBooleanField(env, clsController, fidCHasYAxis, cHasy);
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(*env)->SetStaticBooleanField(env, clsController, fidCHasZAxis, cHasz);
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//set rotational axis
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|
(*env)->SetStaticBooleanField(env, clsController, fidCHasRXAxis, cHasrx);
|
|
(*env)->SetStaticBooleanField(env, clsController, fidCHasRYAxis, cHasry);
|
|
(*env)->SetStaticBooleanField(env, clsController, fidCHasRZAxis, cHasrz);
|
|
|
|
//set pov
|
|
(*env)->SetStaticBooleanField(env, clsController, fidCHasPOV, cHaspov);
|
|
|
|
//set slider
|
|
(*env)->SetStaticBooleanField(env, clsController, fidCHasSlider, cHasslider);
|
|
}
|
|
|
|
/**
|
|
* Caches the field ids for quicker access
|
|
*/
|
|
static void CacheControllerFields(JNIEnv *env, jclass clsController) {
|
|
fidCButtonCount = (*env)->GetStaticFieldID(env, clsController, "buttonCount", "I");
|
|
fidCHasXAxis = (*env)->GetStaticFieldID(env, clsController, "hasXAxis", "Z");
|
|
fidCHasRXAxis = (*env)->GetStaticFieldID(env, clsController, "hasRXAxis", "Z");
|
|
fidCHasYAxis = (*env)->GetStaticFieldID(env, clsController, "hasYAxis", "Z");
|
|
fidCHasRYAxis = (*env)->GetStaticFieldID(env, clsController, "hasRYAxis", "Z");
|
|
fidCHasZAxis = (*env)->GetStaticFieldID(env, clsController, "hasZAxis", "Z");
|
|
fidCHasRZAxis = (*env)->GetStaticFieldID(env, clsController, "hasRZAxis", "Z");
|
|
fidCHasPOV = (*env)->GetStaticFieldID(env, clsController, "hasPOV", "Z");
|
|
fidCHasSlider = (*env)->GetStaticFieldID(env, clsController, "hasSlider", "Z");
|
|
fidCButtons = (*env)->GetStaticFieldID(env, clsController, "buttons", "[Z");
|
|
fidCX = (*env)->GetStaticFieldID(env, clsController, "x", "I");
|
|
fidCRX = (*env)->GetStaticFieldID(env, clsController, "rx", "I");
|
|
fidCY = (*env)->GetStaticFieldID(env, clsController, "y", "I");
|
|
fidCRY = (*env)->GetStaticFieldID(env, clsController, "ry", "I");
|
|
fidCZ = (*env)->GetStaticFieldID(env, clsController, "z", "I");
|
|
fidCRZ = (*env)->GetStaticFieldID(env, clsController, "rz", "I");
|
|
fidCPOV = (*env)->GetStaticFieldID(env, clsController, "pov", "I");
|
|
fidCSlider = (*env)->GetStaticFieldID(env, clsController, "slider", "I");
|
|
}
|