664 lines
16 KiB
C++
Executable File
664 lines
16 KiB
C++
Executable File
/*
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* Copyright (c) 2002 Light Weight Java Game Library 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 'Light Weight Java Game Library' 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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* Base Win32 window
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*
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* @author cix_foo <cix_foo@users.sourceforge.net>
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* @version $Revision$
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*/
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#define _PRIVATE_WINDOW_H_
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#include "Window.h"
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#include "common_tools.h"
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#include "org_lwjgl_opengl_Window.h"
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static bool oneShotInitialised = false; // Registers the LWJGL window class
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HWND hwnd = NULL; // Handle to the window
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HDC hdc = NULL; // Device context
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HGLRC hglrc = NULL; // OpenGL context
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LPDIRECTINPUT lpdi = NULL; // DirectInput
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static bool isFullScreen = false; // Whether we're fullscreen or not
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static bool isMinimized = false; // Whether we're minimized or not
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extern HINSTANCE dll_handle; // Handle to the LWJGL dll
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RECT clientSize;
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static bool closerequested;
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static bool minimized;
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static bool focused;
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static bool dirty;
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static jboolean vsync;
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//CAS: commented these out as no longer used
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//extern void tempRestoreDisplayMode();
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//extern void tempResetDisplayMode();
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#define WINDOWCLASSNAME "LWJGL"
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/*
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* Find an appropriate pixel format
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*/
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static int findPixelFormat(JNIEnv *env, unsigned int flags, int bpp, int alpha, int depth, int stencil)
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{
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PIXELFORMATDESCRIPTOR pfd = {
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sizeof(PIXELFORMATDESCRIPTOR), // size of this pfd
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1, // version number
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flags, // RGBA type
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PFD_TYPE_RGBA,
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(BYTE)bpp,
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0, 0, 0, 0, 0, 0, // color bits ignored
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(BYTE)alpha,
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0, // shift bit ignored
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0, // no accumulation buffer
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0, 0, 0, 0, // accum bits ignored
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(BYTE)depth,
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(BYTE)stencil,
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0, // No auxiliary buffer
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PFD_MAIN_PLANE, // main layer
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0, // reserved
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0, 0, 0 // layer masks ignored
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};
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// get the best available match of pixel format for the device context
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int iPixelFormat = ChoosePixelFormat(hdc, &pfd);
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if (iPixelFormat == 0) {
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throwException(env, "Failed to choose pixel format");
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return -1;
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}
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#ifdef _DEBUG
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printf("Pixel format is %d\n", iPixelFormat);
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#endif
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// make that the pixel format of the device context
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if (SetPixelFormat(hdc, iPixelFormat, &pfd) == FALSE) {
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printf("Failed to set pixel format\n");
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throwException(env, "Failed to choose pixel format");
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return -1;
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}
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// 3. Check the chosen format matches or exceeds our specifications
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PIXELFORMATDESCRIPTOR desc;
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if (DescribePixelFormat(hdc, iPixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &desc) == 0) {
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throwException(env, "Could not describe pixel format");
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return -1;
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}
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if (desc.cColorBits < bpp) {
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throwException(env, "This application requires a greater colour depth");
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return -1;
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}
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if (desc.cAlphaBits < alpha) {
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throwException(env, "This application requires a greater alpha depth");
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return -1;
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}
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if (desc.cStencilBits < stencil) {
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throwException(env, "This application requires a greater stencil depth");
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return -1;
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}
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if (desc.cDepthBits < depth) {
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throwException(env, "This application requires a greater depth buffer depth");
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return -1;
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}
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if ((desc.dwFlags & PFD_GENERIC_FORMAT) != 0 || (desc.dwFlags & PFD_GENERIC_ACCELERATED) != 0) {
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throwException(env, "Mode not supported by hardware");
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return -1;
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}
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if ((desc.dwFlags & flags) != flags) {
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throwException(env, "Capabilities not supported");
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return -1;
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}
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// 4. Initialise other things now
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if (!extgl_Open()) {
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throwException(env, "Failed to open extgl");
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return -1;
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}
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return iPixelFormat;
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}
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/*
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* Create DirectInput.
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* Returns true for success, or false for failure
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*/
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static bool createDirectInput()
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{
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// Create input
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HRESULT ret = DirectInputCreate(dll_handle, DIRECTINPUT_VERSION, &lpdi, NULL);
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if (ret != DI_OK && ret != DIERR_BETADIRECTINPUTVERSION ) {
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#ifdef _DEBUG
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printf("Failed to create directinput");
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switch (ret) {
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case DIERR_INVALIDPARAM :
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printf(" - Invalid parameter\n");
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break;
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case DIERR_OLDDIRECTINPUTVERSION :
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printf(" - Old Version\n");
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break;
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case DIERR_OUTOFMEMORY :
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printf(" - Out Of Memory\n");
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break;
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default:
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printf(" - Unknown failure\n");
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}
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#endif
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return false;
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} else {
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return true;
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}
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}
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/*
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* Close the window
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*/
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static void closeWindow()
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{
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// Release DirectInput
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if (lpdi != NULL) {
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#ifdef _DEBUG
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printf("Destroying directinput\n");
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#endif
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lpdi->Release();
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lpdi = NULL;
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}
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// Release device context
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if (hdc != NULL && hwnd != NULL) {
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#ifdef _DEBUG
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printf("Releasing DC\n");
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#endif
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ReleaseDC(hwnd, hdc);
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}
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// Close the window
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if (hwnd != NULL) {
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#ifdef _DEBUG
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printf("Destroy window\n");
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#endif
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// Vape the window
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DestroyWindow(hwnd);
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#ifdef _DEBUG
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printf("Destroyed window\n");
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#endif
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hwnd = NULL;
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}
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}
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/*
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* Called when the application is alt-tabbed to or from
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*/
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static void appActivate(bool active)
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{
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// if (!active) {
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// tempResetDisplayMode();
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// }
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if (active) {
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SetForegroundWindow(hwnd);
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ShowWindow(hwnd, SW_RESTORE);
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} else if (isFullScreen) {
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ShowWindow(hwnd, SW_MINIMIZE);
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}
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// if (active) {
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// tempRestoreDisplayMode();
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// }
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}
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/*
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* WindowProc for the GL window.
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*/
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LRESULT CALLBACK lwjglWindowProc(HWND hWnd,
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UINT msg,
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WPARAM wParam,
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LPARAM lParam)
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{
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switch (msg) {
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// disable screen saver and monitor power down messages which wreak havoc
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case WM_SYSCOMMAND:
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{
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switch (wParam) {
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case SC_SCREENSAVE:
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case SC_MONITORPOWER:
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return 0L;
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case SC_MINIMIZE:
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minimized = true;
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appActivate(false);
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break;
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case SC_RESTORE:
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minimized = false;
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appActivate(true);
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break;
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case SC_CLOSE:
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closerequested = true;
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//don't continue processing this command since this
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//would shutdown the window, which the application might not want to
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return 0L;
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}
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}
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break;
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case WM_ACTIVATE:
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{
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switch(LOWORD(wParam)) {
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case WA_ACTIVE:
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case WA_CLICKACTIVE:
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minimized = false;
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isMinimized = false;
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break;
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case WA_INACTIVE:
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minimized = true;
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isMinimized = true;
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break;
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}
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appActivate(!isMinimized);
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}
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break;
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case WM_QUIT:
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{
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closerequested = true;
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return 0L;
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}
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case WM_PAINT:
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{
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dirty = true;
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}
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}
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// default action
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return DefWindowProc(hWnd, msg, wParam, lParam);
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}
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/*
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* Register the LWJGL window class.
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* Returns true for success, or false for failure
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*/
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static bool registerWindow()
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{
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if (!oneShotInitialised) {
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WNDCLASS windowClass;
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windowClass.style = CS_GLOBALCLASS | CS_OWNDC;
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windowClass.lpfnWndProc = lwjglWindowProc;
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windowClass.cbClsExtra = 0;
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windowClass.cbWndExtra = 0;
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windowClass.hInstance = dll_handle;
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windowClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
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windowClass.hCursor = LoadCursor(NULL, IDC_ARROW);
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windowClass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
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windowClass.lpszMenuName = NULL;
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windowClass.lpszClassName = WINDOWCLASSNAME;
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if (RegisterClass(&windowClass) == 0) {
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#ifdef _DEBUG
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printf("Failed to register window class\n");
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#endif
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return false;
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}
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#ifdef _DEBUG
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printf("Window registered\n");
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#endif
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oneShotInitialised = true;
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}
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return true;
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}
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/*
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* Handle native Win32 messages
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*/
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static void handleMessages(JNIEnv * env, jclass clazz)
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{
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/*
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* Now's our chance to deal with Windows messages that are
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* otherwise just piling up and causing everything not to
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* work properly
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*/
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MSG msg;
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while (PeekMessage(
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&msg, // message information
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hwnd, // handle to window
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0, // first message
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0, // last message
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PM_REMOVE // removal options
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))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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};
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}
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/*
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* Create a window with the specified title, position, size, and
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* fullscreen attribute. The window will have DirectInput associated
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* with it.
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*
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* Returns true for success, or false for failure
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*/
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static bool createWindow(const char * title, int x, int y, int width, int height, bool fullscreen)
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{
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// 1. Register window class if necessary
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if (!registerWindow())
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return false;
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// 2. Create the window
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int exstyle, windowflags;
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if (fullscreen) {
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exstyle = WS_EX_APPWINDOW | WS_EX_TOPMOST;
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windowflags = WS_POPUP | WS_VISIBLE;
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} else {
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exstyle = WS_EX_APPWINDOW;
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windowflags = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_VISIBLE | WS_MINIMIZEBOX | WS_SYSMENU;
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}
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// If we're not a fullscreen window, adjust the height to account for the
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// height of the title bar:
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clientSize.bottom = height;
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clientSize.left = 0;
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clientSize.right = width;
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clientSize.top = 0;
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AdjustWindowRectEx(
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&clientSize, // client-rectangle structure
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windowflags, // window styles
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FALSE, // menu-present option
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exstyle // extended window style
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);
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// Create the window now, using that class:
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hwnd = CreateWindowEx (
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exstyle,
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WINDOWCLASSNAME,
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title,
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windowflags,
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x, y, clientSize.right - clientSize.left, clientSize.bottom - clientSize.top,
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NULL,
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NULL,
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dll_handle,
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NULL);
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if (hwnd == NULL) {
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#ifdef _DEBUG
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printf("Failed to create window\n");
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#endif
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return false;
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}
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#ifdef _DEBUG
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printf("Created window\n");
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#endif
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// ShowWindow(hwnd, SW_SHOWNORMAL);
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ShowWindow(hwnd, SW_SHOW);
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UpdateWindow(hwnd);
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SetForegroundWindow(hwnd);
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SetFocus(hwnd);
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hdc = GetWindowDC(hwnd);
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// Success! Now you need to initialize a GL object, which creates a GL rendering context;
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// and then to issue commands to it, you need to call gl::makeCurrent().
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// 3. Hide the mouse if necessary
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isFullScreen = fullscreen == JNI_TRUE;
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// 4. Create DirectInput
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if (!createDirectInput()) {
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// Close the window
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closeWindow();
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return false;
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}
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vsync = JNI_FALSE;
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return true;
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}
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/*
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* Class: org_lwjgl_Window
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* Method: nSetTitle
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* Signature: ()V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_nSetTitle
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(JNIEnv * env, jclass clazz, jstring title_obj)
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{
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const char * title = env->GetStringUTFChars(title_obj, NULL);
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SetWindowText(hwnd, title);
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env->ReleaseStringUTFChars(title_obj, title);
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}
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|
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/*
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* Class: org_lwjgl_Window
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* Method: update
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* Signature: ()V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_update
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(JNIEnv * env, jclass clazz)
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{
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handleMessages(env, clazz);
|
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}
|
|
|
|
|
|
/*
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* Class: org_lwjgl_Window
|
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* Method: minimize
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* Signature: ()V
|
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*/
|
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_minimize
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(JNIEnv * env, jclass clazz)
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{
|
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if (isMinimized)
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return;
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ShowWindow(hwnd, SW_MINIMIZE);
|
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}
|
|
|
|
/*
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* Class: org_lwjgl_Window
|
|
* Method: minimize
|
|
* Signature: ()V
|
|
*/
|
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_restore
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(JNIEnv * env, jclass clazz)
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{
|
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if (!isMinimized)
|
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return;
|
|
|
|
ShowWindow(hwnd, SW_RESTORE);
|
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}
|
|
|
|
/*
|
|
* Class: org_lwjgl_Window
|
|
* Method: swapBuffers
|
|
* Signature: ()V
|
|
*/
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_swapBuffers
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(JNIEnv * env, jclass clazz)
|
|
{
|
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dirty = false;
|
|
SwapBuffers(hdc);
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|
// wglSwapLayerBuffers(hdc, WGL_SWAP_MAIN_PLANE);
|
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}
|
|
|
|
/*
|
|
* Class: org_lwjgl_Window
|
|
* Method: nCreate
|
|
* Signature: (Ljava/lang/String;IIIIZIIII)V
|
|
*/
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_nCreate
|
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(JNIEnv * env, jclass clazz, jstring title, jint x, jint y, jint width, jint height, jboolean fullscreen, jint bpp, jint alpha, jint depth, jint stencil, jobject ext_set)
|
|
{
|
|
closerequested = false;
|
|
minimized = false;
|
|
focused = true;
|
|
dirty = true;
|
|
|
|
// 1. Create a window
|
|
const char * titleString = env->GetStringUTFChars(title, NULL);
|
|
if (!createWindow(titleString, x, y, width, height, fullscreen == JNI_TRUE ? true : false)) {
|
|
env->ReleaseStringUTFChars((jstring) title, titleString);
|
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closeWindow();
|
|
throwException(env, "Failed to create the window.");
|
|
return;
|
|
}
|
|
env->ReleaseStringUTFChars(title, titleString);
|
|
|
|
// 2. Choose a pixel format and set it
|
|
unsigned int flags = PFD_DRAW_TO_WINDOW | // support window
|
|
PFD_SUPPORT_OPENGL | // support OpenGL
|
|
PFD_DOUBLEBUFFER; // double buffered
|
|
|
|
int iPixelFormat = findPixelFormat(env, flags, bpp, alpha, depth, stencil);
|
|
if (iPixelFormat == -1) {
|
|
closeWindow();
|
|
return;
|
|
}
|
|
// Create a rendering context
|
|
hglrc = wglCreateContext(hdc);
|
|
if (hglrc == NULL) {
|
|
throwException(env, "Failed to create OpenGL rendering context");
|
|
closeWindow();
|
|
return;
|
|
}
|
|
|
|
// Automatically make it the current context
|
|
wglMakeCurrent(hdc, hglrc);
|
|
|
|
// Initialise GL extensions
|
|
if (!extgl_Initialize(env, ext_set)) {
|
|
closeWindow();
|
|
throwException(env, "Failed to initialize GL extensions");
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_Window
|
|
* Method: doDestroy
|
|
* Signature: ()V
|
|
*/
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_nDestroy
|
|
(JNIEnv * env, jclass clazz)
|
|
{
|
|
wglMakeCurrent(NULL, NULL);
|
|
|
|
// Delete the rendering context
|
|
if (hglrc != NULL) {
|
|
#ifdef _DEBUG
|
|
printf("Delete GL context\n");
|
|
#endif
|
|
wglDeleteContext(hglrc);
|
|
hglrc = NULL;
|
|
}
|
|
closeWindow();
|
|
extgl_Close();
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_Window
|
|
* Method: nIsDirty
|
|
* Signature: ()Z
|
|
*/
|
|
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Window_nIsDirty
|
|
(JNIEnv *env, jclass clazz) {
|
|
bool result = dirty;
|
|
dirty = false;
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_Window
|
|
* Method: nIsMinimized
|
|
* Signature: ()Z
|
|
*/
|
|
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Window_nIsMinimized
|
|
(JNIEnv *env, jclass clazz) {
|
|
return minimized;
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_Window
|
|
* Method: nIsCloseRequested
|
|
* Signature: ()Z
|
|
*/
|
|
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Window_nIsCloseRequested
|
|
(JNIEnv *, jclass) {
|
|
bool saved = closerequested;
|
|
closerequested = false;
|
|
return saved;
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_Window
|
|
* Method: nIsFocused
|
|
* Signature: ()Z
|
|
*/
|
|
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Window_nIsFocused
|
|
(JNIEnv *env, jclass clazz) {
|
|
return focused;
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_Window
|
|
* Method: nIsVSyncEnabled
|
|
* Signature: ()Z
|
|
*/
|
|
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Window_nIsVSyncEnabled
|
|
(JNIEnv * env, jclass clazz)
|
|
{
|
|
return vsync;
|
|
}
|
|
|
|
/*
|
|
* Class: org_lwjgl_opengl_Window
|
|
* Method: nSetVSyncEnabled
|
|
* Signature: (Z)Z
|
|
*/
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Window_nSetVSyncEnabled
|
|
(JNIEnv * env, jclass clazz, jboolean sync)
|
|
{
|
|
if (extgl_Extensions.WGL_EXT_swap_control) {
|
|
if (sync == JNI_TRUE) {
|
|
wglSwapIntervalEXT(1);
|
|
} else {
|
|
wglSwapIntervalEXT(0);
|
|
}
|
|
vsync = sync;
|
|
}
|
|
}
|