new Mouse implementation, rewritten to better fit Controller structure

This commit is contained in:
Brian Matzon 2003-02-08 19:30:23 +00:00
parent 6435369d23
commit 956968e092
3 changed files with 270 additions and 286 deletions

View File

@ -32,8 +32,6 @@
package org.lwjgl.input;
import java.nio.ByteBuffer;
import org.lwjgl.Display;
import org.lwjgl.Sys;
@ -59,7 +57,7 @@ public class Mouse {
private static boolean created;
/** The mouse buttons status from the last poll */
private static boolean[] button = new boolean[8];
private static boolean[] buttons;
/** Delta X */
public static int dx;
@ -68,22 +66,11 @@ public class Mouse {
public static int dy;
/** Delta Z */
public static int dz;
/**
* The mouse events from the last read: a sequence of Events
*/
private static ByteBuffer readBuffer;
/** Address of the read buffer */
private static int readBufferAddress;
/** The size in bytes of a single mouse event */
private static final int MOUSE_EVENT_SIZE = 20;
/** The stride in bytes of a single mouse event */
private static final int MOUSE_EVENT_STRIDE = 32;
public static int dwheel;
/* Mouse capabilities */
public static int buttonCount = -1;
public static boolean hasWheel = false;
/**
* Mouse cannot be constructed.
@ -152,109 +139,15 @@ public class Mouse {
* Native method to poll the mouse
*/
private static native void nPoll();
/**
* Queries the number of buttons the mouse has
* @return the number of buttons the mouse has
*/
public static int getNumButtons() {
assert created : "The mouse has not been created.";
return nGetNumButtons();
}
/**
* Native implementation of getNumButtons()
*/
private static native int nGetNumButtons();
/**
* Queries whether the mouse has a Z value
* @return true if the mouse has a Z value
*/
public static boolean hasZValue() {
assert created : "The mouse has not been created.";
return nHasZValue();
}
/**
* Native implementation of hasZValue()
*/
private static native boolean nHasZValue();
/**
* See if a particular mouse button is down.
*
* @param button The index of the button you wish to test (0..getNumButtons())
* @param button The index of the button you wish to test (0..buttonCount)
* @return true if the specified button is down
* @see #getNumButtons()
*/
public static boolean isButtonDown(int button) {
assert created : "The mouse has not been created.";
return Mouse.button[button];
return Mouse.buttons[button];
}
// /**
// * Enable mouse buffering. Must be called after the mouse is created.
// * @return the size of the mouse buffer in events, or 0 if no buffering
// * can be enabled for any reason
// */
// public static int enableBuffer() {
// assert created : "The mouse has not been created.";
// return nEnableBuffer();
// }
//
//
// /**
// * Native method to enable the buffer
// * @return the size of the buffer allocated, in events (1 event is 2 bytes),
// * or 0 if no buffer can be allocated
// */
// private static native int nEnableBuffer();
/**
* Gets the next mouse event. This returns its results as if a poll() had
* been called.
*
* @return true if a mouse event was read, false otherwise
*/
public static boolean next() {
assert created : "The mouse has not been created.";
assert readBuffer != null : "Mouse buffering has not been enabled.";
if (readBuffer.hasRemaining()) {
dx = readBuffer.getInt();
dy = readBuffer.getInt();
dz = readBuffer.getInt();
for (int i = 0; i < button.length; i ++)
button[i] = readBuffer.get() != (byte)0;
readBuffer.position(readBuffer.position() + (MOUSE_EVENT_STRIDE - MOUSE_EVENT_SIZE));
return true;
} else
return false;
}
/**
* Native method to read the gamepad buffer
*
* @param readBufferAddress the address of the mouse buffer
* @return the number of mouse events read
*/
private static native int nRead(int readBufferAddress);
/**
* Reads the mouse buffer.
*/
public static void read() {
assert created : "The mouse has not been created.";
assert readBuffer != null : "Mouse buffering has not been enabled.";
readBuffer.clear();
readBuffer.limit(nRead(readBufferAddress) * MOUSE_EVENT_SIZE);
}
}
}

View File

@ -9,16 +9,12 @@ extern "C" {
#endif
/* Inaccessible static: _00024assertionsDisabled */
/* Inaccessible static: created */
/* Inaccessible static: button */
/* Inaccessible static: buttons */
/* Inaccessible static: dx */
/* Inaccessible static: dy */
/* Inaccessible static: dz */
/* Inaccessible static: readBuffer */
/* Inaccessible static: readBufferAddress */
#undef org_lwjgl_input_Mouse_MOUSE_EVENT_SIZE
#define org_lwjgl_input_Mouse_MOUSE_EVENT_SIZE 20L
#undef org_lwjgl_input_Mouse_MOUSE_EVENT_STRIDE
#define org_lwjgl_input_Mouse_MOUSE_EVENT_STRIDE 32L
/* Inaccessible static: dwheel */
/* Inaccessible static: buttonCount */
/* Inaccessible static: hasWheel */
/* Inaccessible static: class_000240 */
/*
* Class: org_lwjgl_input_Mouse
@ -52,38 +48,6 @@ JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nDestroy
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nPoll
(JNIEnv *, jclass);
/*
* Class: org_lwjgl_input_Mouse
* Method: nGetNumButtons
* Signature: ()I
*/
JNIEXPORT jint JNICALL Java_org_lwjgl_input_Mouse_nGetNumButtons
(JNIEnv *, jclass);
/*
* Class: org_lwjgl_input_Mouse
* Method: nHasZValue
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL Java_org_lwjgl_input_Mouse_nHasZValue
(JNIEnv *, jclass);
/*
* Class: org_lwjgl_input_Mouse
* Method: nEnableBuffer
* Signature: ()I
*/
JNIEXPORT jint JNICALL Java_org_lwjgl_input_Mouse_nEnableBuffer
(JNIEnv *, jclass);
/*
* Class: org_lwjgl_input_Mouse
* Method: nRead
* Signature: (I)I
*/
JNIEXPORT jint JNICALL Java_org_lwjgl_input_Mouse_nRead
(JNIEnv *, jclass, jint);
#ifdef __cplusplus
}
#endif

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2002 Light Weight Java Game Library Project
/*
* Copyright (c) 2002 Lightweight Java Game Library Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -16,8 +16,7 @@
* * Neither the name of 'Light Weight Java Game Library' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
@ -35,107 +34,112 @@
*
* Win32 mouse handling.
*
* @author cix_foo <cix_foo@users.sourceforge.net>
* @author Brian Matzon <brian@matzon.com>
* @version $Revision$
*/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "org_lwjgl_input_Mouse.h"
#include <windows.h>
#undef DIRECTINPUT_VERSION
#define DIRECTINPUT_VERSION 0x0300
#include <dinput.h>
extern LPDIRECTINPUT lpdi;
LPDIRECTINPUTDEVICE lpdiMouse;
extern HWND hwnd; // The display, which must have been created
jfieldID fid_button;
jfieldID fid_dx;
jfieldID fid_dy;
jfieldID fid_dz;
extern HINSTANCE dll_handle;
/*
* Class: org_lwjgl_input_Mouse
* Method: initIDs
* Signature: ()V
extern HWND hwnd; // Handle to window
extern LPDIRECTINPUT lpdi; // DI instance
LPDIRECTINPUTDEVICE mDIDevice; // DI Device instance
DIMOUSESTATE diMouseState; // State of Mouse
int mButtoncount = 0; // Temporary buttoncount
bool mHaswheel; // Temporary wheel check
JNIEnv* mEnvironment; // JNIEnvironment copy
bool mCreate_success; // bool used to determine successfull creation
// Cached fields of Mouse.java
jclass clsMouse;
jfieldID fidMButtonCount;
jfieldID fidMButtons;
jfieldID fidMDX;
jfieldID fidMDY;
jfieldID fidMDWheel;
jfieldID fidMHasWheel;
// Function prototypes (defined in the cpp file, since header file is generic across platforms
void EnumerateMouseCapabilities();
BOOL CALLBACK EnumMouseObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef);
void ShutdownMouse();
void CreateMouse();
void SetupMouse();
void InitializeMouseFields();
void CacheMouseFields();
void UpdateMouseFields();
void SetMouseCapabilities();
/**
* Initializes any field ids
*/
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_initIDs
(JNIEnv * env, jclass clazz)
{
// Get a global class instance, just to be sure
static jobject globalClassLock = NULL;
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_initIDs(JNIEnv * env, jclass clazz) {
mEnvironment = env;
clsMouse = clazz;
if (globalClassLock == NULL) {
globalClassLock = env->NewGlobalRef(clazz);
}
// Now cache the field IDs:
if (fid_button == NULL) {
fid_button = env->GetStaticFieldID(clazz, "button", "[Z");
}
if (fid_dx == NULL) {
fid_dx = env->GetStaticFieldID(clazz, "dx", "I");
}
if (fid_dy == NULL) {
fid_dy = env->GetStaticFieldID(clazz, "dy", "I");
}
if (fid_dz == NULL) {
fid_dz = env->GetStaticFieldID(clazz, "dz", "I");
}
/* Cache fields in Mouse */
CacheMouseFields();
}
/*
* Class: org_lwjgl_input_Mouse
* Method: nCreate
* Signature: ()Z
/**
* Called when the Mouse instance is to be created
*/
JNIEXPORT jboolean JNICALL Java_org_lwjgl_input_Mouse_nCreate
(JNIEnv * env, jclass clazz)
{
// Check to see if we're already initialized
if (lpdiMouse != NULL) {
printf("Mouse already created.\n");
return JNI_FALSE;
}
if (hwnd == NULL) {
printf("No window\n");
return JNI_FALSE;
}
// First get reference to directinput:
if (lpdi == NULL) {
HRESULT ret = DirectInputCreate((HINSTANCE)GetCurrentProcess(), DIRECTINPUT_VERSION, &lpdi, NULL);
if (ret != DI_OK && ret != DIERR_BETADIRECTINPUTVERSION ) {
printf("Failed to create directinput\n");
return JNI_FALSE;
}
}
// Get mouse device
if (lpdi->CreateDevice(GUID_SysMouse, &lpdiMouse, NULL) != DI_OK) {
printf("Failed to create mouse\n");
return JNI_FALSE;
}
// Grab non-exclusive foreground access to device
if (lpdiMouse->SetCooperativeLevel(hwnd, DISCL_NONEXCLUSIVE | DISCL_FOREGROUND) != DI_OK) {
printf("Failed to set mouse coop\n");
return JNI_FALSE;
}
// Tell 'em wot format to be in (the default "you are a mouse and keyboard" format)
lpdiMouse->SetDataFormat(&c_dfDIMouse);
HRESULT ret = lpdiMouse->Acquire();
if (ret != DI_OK && ret != S_FALSE) {
#ifdef _DEBUG
printf("Failed to acquire mouse\n");
JNIEXPORT jboolean JNICALL Java_org_lwjgl_input_Mouse_nCreate(JNIEnv *env, jclass clazz) {
// Create the DirectInput object.
HRESULT hr;
hr = DirectInputCreate(dll_handle, DIRECTINPUT_VERSION, &lpdi, NULL);
if (FAILED(hr)) {
#if _DEBUG
printf("DirectInputCreate failed\n");
#endif
}
return JNI_TRUE;
ShutdownMouse();
return JNI_FALSE;
}
/* skip enumeration, since we only want system mouse */
CreateMouse();
/* Enumerate capabilities of Mouse */
EnumerateMouseCapabilities();
if (!mCreate_success) {
#if _DEBUG
printf("EnumerateMouseCapabilities failed\n");
#endif
ShutdownMouse();
return JNI_FALSE;
}
if(mCreate_success) {
/* Do setup of Mouse */
SetupMouse();
}
/* Initialize any fields on the Mouse */
InitializeMouseFields();
/* Set capabilities */
SetMouseCapabilities();
/* Aquire the Mouse */
hr = mDIDevice->Acquire();
if(FAILED(hr)) {
#if _DEBUG
printf("Acquire failed\n");
#endif
ShutdownMouse();
return JNI_FALSE;
}
return mCreate_success;
}
/*
@ -143,51 +147,174 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_input_Mouse_nCreate
* Method: nDestroy
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nDestroy
(JNIEnv * env, jclass clazz)
{
// Release mouse
if (lpdiMouse != NULL) {
lpdiMouse->Unacquire();
lpdiMouse->Release();
lpdiMouse = NULL;
}
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nDestroy(JNIEnv *env, jclass clazz) {
ShutdownMouse();
}
/*
* Class: org_lwjgl_input_Mouse
* Class: org_lwjgl_input_Controller
* Method: nPoll
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nPoll
(JNIEnv * env, jclass clazz)
{
DIMOUSESTATE diMouseState;
HRESULT ret;
while (ret = lpdiMouse->GetDeviceState(sizeof(diMouseState), &diMouseState) != DI_OK) {
ret = lpdiMouse->Acquire();
if (ret != DI_OK && ret != S_FALSE) {
return;
}
}
if (ret == DI_OK) {
env->SetStaticIntField(clazz, fid_dx, (jint)diMouseState.lX);
env->SetStaticIntField(clazz, fid_dy, (jint)diMouseState.lY);
env->SetStaticIntField(clazz, fid_dz, (jint)diMouseState.lZ);
jbooleanArray buttonsArray = (jbooleanArray) env->GetStaticObjectField(clazz, fid_button);
for (int i = 0; i < 4; i++)
if (diMouseState.rgbButtons[i] != 0)
diMouseState.rgbButtons[i] = JNI_TRUE;
else
diMouseState.rgbButtons[i] = JNI_FALSE;
env->SetBooleanArrayRegion(buttonsArray, 0, 4, diMouseState.rgbButtons);
} else {
#ifdef _DEBUG
printf("Failed to get mouse device state\n");
#endif
}
JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nPoll(JNIEnv * env, jclass clazz) {
UpdateMouseFields();
}
/**
* Shutdown DI
*/
void ShutdownMouse() {
// release device
if (mDIDevice != NULL) {
mDIDevice->Unacquire();
mDIDevice->Release();
}
}
/**
* Enumerates the capabilities of the Mouse attached to the system
*/
void EnumerateMouseCapabilities() {
HRESULT hr;
hr = mDIDevice->EnumObjects(EnumMouseObjectsCallback, NULL, DIDFT_ALL);
if FAILED(hr) {
#if _DEBUG
printf("EnumObjects failed\n");
#endif
mCreate_success = false;
return;
}
mCreate_success = true;
}
/**
* Callback from EnumObjects. Called for each "object" on the Mouse.
*/
BOOL CALLBACK EnumMouseObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef) {
#if _DEBUG
printf("found %s\n", lpddoi->tszName);
#endif
if(lpddoi->guidType == GUID_Button) {
mButtoncount++;
} else if(lpddoi->guidType == GUID_XAxis) {
} else if(lpddoi->guidType == GUID_YAxis) {
} else if(lpddoi->guidType == GUID_ZAxis) {
mHaswheel = true;
#if _DEBUG
} else {
printf("Unhandled object found: %s\n", lpddoi->tszName);
#endif
}
return DIENUM_CONTINUE;
}
/**
* Creates the specified device as a Mouse
*/
void CreateMouse() {
HRESULT hr;
hr = lpdi->CreateDevice(GUID_SysMouse, &mDIDevice, NULL);
if FAILED(hr) {
#if _DEBUG
printf("CreateDevice failed\n");
#endif
mCreate_success = false;
return;
}
mCreate_success = true;
}
/**
* Sets up the Mouse properties
*/
void SetupMouse() {
// set Mouse data format
if(mDIDevice->SetDataFormat(&c_dfDIMouse) != DI_OK) {
#if _DEBUG
printf("SetDataFormat failed\n");
#endif
mCreate_success = false;
return;
}
// set the cooperative level
if(mDIDevice->SetCooperativeLevel(hwnd, DISCL_EXCLUSIVE | DISCL_FOREGROUND) != DI_OK) {
#if _DEBUG
printf("SetCooperativeLevel failed\n");
#endif
mCreate_success = false;
return;
}
mCreate_success = true;
}
/**
* Sets the fields on the Mouse
*/
void InitializeMouseFields() {
//set buttons array
jbooleanArray buttonsArray = mEnvironment->NewBooleanArray(mButtoncount);
mEnvironment->SetStaticObjectField(clsMouse, fidMButtons, buttonsArray);
}
/**
* Updates the fields on the Mouse
*/
void UpdateMouseFields() {
HRESULT hRes;
// get data from the Mouse
hRes = mDIDevice->GetDeviceState(sizeof(DIMOUSESTATE), &diMouseState);
if (hRes != DI_OK) {
// did the read fail because we lost input for some reason?
// if so, then attempt to reacquire.
if(hRes == DIERR_INPUTLOST || hRes == DIERR_NOTACQUIRED) {
mDIDevice->Acquire();
#if _DEBUG
printf("DIERR_INPUTLOST, reaquiring input : mCreate_success=%d\n", mCreate_success);
#endif
} else {
#if _DEBUG
printf("Error getting mouse state: %d\n", hRes);
#endif
}
return;
}
mEnvironment->SetStaticIntField(clsMouse, fidMDX, (jint) diMouseState.lX);
mEnvironment->SetStaticIntField(clsMouse, fidMDY, (jint) diMouseState.lY);
mEnvironment->SetStaticIntField(clsMouse, fidMDWheel, (jint) diMouseState.lZ);
jbooleanArray buttonsArray = (jbooleanArray) mEnvironment->GetStaticObjectField(clsMouse, fidMButtons);
for (int i = 0; i < mButtoncount; i++) {
if (diMouseState.rgbButtons[i] != 0) {
diMouseState.rgbButtons[i] = JNI_TRUE;
} else {
diMouseState.rgbButtons[i] = JNI_FALSE;
}
}
mEnvironment->SetBooleanArrayRegion(buttonsArray, 0, mButtoncount, diMouseState.rgbButtons);
}
/**
* Sets the capabilities of the Mouse
*/
void SetMouseCapabilities() {
//set buttoncount
mEnvironment->SetStaticIntField(clsMouse, fidMButtonCount, mButtoncount);
//set wheel
mEnvironment->SetStaticBooleanField(clsMouse, fidMHasWheel, mHaswheel);
}
/**
* Caches the field ids for quicker access
*/
void CacheMouseFields() {
fidMButtonCount = mEnvironment->GetStaticFieldID(clsMouse, "buttonCount", "I");
fidMHasWheel = mEnvironment->GetStaticFieldID(clsMouse, "hasWheel", "Z");
fidMButtons = mEnvironment->GetStaticFieldID(clsMouse, "buttons", "[Z");
fidMDX = mEnvironment->GetStaticFieldID(clsMouse, "dx", "I");
fidMDY = mEnvironment->GetStaticFieldID(clsMouse, "dy", "I");
fidMDWheel = mEnvironment->GetStaticFieldID(clsMouse, "dwheel", "I");
}