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Diffstat (limited to 'smelt/w32/sys_w32.cpp')
-rw-r--r--smelt/w32/sys_w32.cpp355
1 files changed, 355 insertions, 0 deletions
diff --git a/smelt/w32/sys_w32.cpp b/smelt/w32/sys_w32.cpp
new file mode 100644
index 0000000..716a039
--- /dev/null
+++ b/smelt/w32/sys_w32.cpp
@@ -0,0 +1,355 @@
+// -*- C++ -*-
+/*
+ * Simple MultimEdia LiTerator(SMELT)
+ * by Chris Xiong 2015
+ * SMELT system implementation
+ *
+ * WARNING: This library is in development and interfaces would be very
+ * unstable.
+ *
+ */
+#include "smelt_internal.hpp"
+static const char* SYS_SDL_SRCFN="smelt/sdl/sys_w32.cpp";
+int refcnt=0;
+SMELT_IMPL *pSM=0;
+
+SMELT* smGetInterface(int apilevel)
+{
+ if(apilevel==SMELT_APILEVEL)
+ return(SMELT*)SMELT_IMPL::getInterface();
+ else return 0;
+}
+
+SMELT_IMPL* SMELT_IMPL::getInterface()
+{
+ if(!pSM)pSM=new SMELT_IMPL();
+ ++refcnt;return pSM;
+}
+
+void SMELT_IMPL::smRelease()
+{
+ --refcnt;
+ if(!refcnt)
+ {
+ if(pSM->hwnd)pSM->smFinale();
+ delete pSM;pSM=0;
+ }
+}
+
+bool SMELT_IMPL::smInit()
+{
+ smLog("%s:" SLINE ": Initalizing SMELT...\n",SYS_SDL_SRCFN);
+ smLog("%s:" SLINE ": SMELT api version %d\n",SYS_SDL_SRCFN,SMELT_APILEVEL);
+ time_t t=time(NULL);
+ smLog("%s:" SLINE ": Date %s",SYS_SDL_SRCFN,asctime(localtime(&t)));
+#ifdef WIN32
+ OSVERSIONINFO os_ver; MEMORYSTATUS mem_st;
+ os_ver.dwOSVersionInfoSize=sizeof(os_ver);
+ GetVersionEx(&os_ver);
+ smLog("%s:" SLINE ": OS: Windows %ld.%ld.%ld\n", SYS_SDL_SRCFN,os_ver.dwMajorVersion,os_ver.dwMinorVersion,os_ver.dwBuildNumber);
+
+ int CPUInfo[4]={-1};
+ __cpuid(CPUInfo,0x80000000);
+ unsigned int nExIds=CPUInfo[0];
+ char *cpuName,*loced;cpuName=calloc(0x40,sizeof(char));loced=cpuName;
+ for(unsigned int i=0x80000000;i<=nExIds;++i)
+ {
+ __cpuid(CPUInfo, i);
+ if(i==0x80000002)
+ memcpy(cpuName,CPUInfo,sizeof(CPUInfo));
+ else if(i==0x80000003)
+ memcpy(cpuName+16,CPUInfo,sizeof(CPUInfo));
+ else if(i==0x80000004)
+ memcpy(cpuName+32, CPUInfo, sizeof(CPUInfo));
+ }
+ while(*cpuName=' ')++cpuName;
+ smLog("%s:" SLINE ": CPU: %s\n", SYS_SDL_SRCFN,cpuName);
+ free(loced);
+
+ GlobalMemoryStatus(&mem_st);
+ smLog("%s:" SLINE ": Memory: %ldK total, %ldK free\n", SYS_SDL_SRCFN,mem_st.dwTotalPhys/1024L,mem_st.dwAvailPhys/1024L);
+#else
+ system("uname -svm > /tmp/os.out");
+ char osv[100];FILE* a=fopen("/tmp/os.out","r");fgets(osv,100,a);fclose(a);
+ osv[strlen(osv)-1]='\0';
+ smLog("%s:" SLINE ": OS: %s\n",SYS_SDL_SRCFN,osv);
+ system("rm /tmp/os.out");
+
+ system("cat /proc/cpuinfo | grep name -m 1 > /tmp/cpu.out");
+ a=fopen("/tmp/cpu.out","r");fgets(osv,100,a);fclose(a);
+ osv[strlen(osv)-1]='\0';char *ptr=osv;while(*ptr!=':')++ptr;ptr+=2;
+ smLog("%s:" SLINE ": CPU: %s\n",SYS_SDL_SRCFN,osv);
+ system("rm /tmp/cpu.out");
+
+ a=fopen("/proc/meminfo","r");
+ unsigned totalm,freem;
+ fscanf(a,"MemTotal: %u kB\n",&totalm);
+ fscanf(a,"MemFree: %u kB\n",&freem);
+ smLog("%s:" SLINE ": RAM: %ukB installed, %ukB free\n",SYS_SDL_SRCFN,totalm,freem);
+ fclose(a);
+#endif
+ if(SDL_Init(SDL_INIT_VIDEO)==-1)
+ {
+ smLog("%s:" SLINE ": SDL_Init() failed with error %s\n",SYS_SDL_SRCFN,SDL_GetError());
+ return false;
+ }
+ if(SDL_GL_LoadLibrary(NULL)==-1)
+ {
+ smLog("%s:" SLINE ": SDL_GL_LoadLibrary() failed with error %s\n",SYS_SDL_SRCFN,SDL_GetError());
+ return false;
+ }
+ SDL_DisplayMode vidinfo;
+ if(SDL_GetDesktopDisplayMode(0,&vidinfo))
+ {
+ smLog("%s:" SLINE ": SDL_GetDesktopDisplayMode() failed with error %s\n",SYS_SDL_SRCFN,SDL_GetError());
+ SDL_Quit();
+ return false;
+ }
+ dispw=vidinfo.w;disph=vidinfo.h;
+ smLog("%s:" SLINE ": Screen: %d x %d\n",SYS_SDL_SRCFN,dispw,disph);
+ Uint32 flags=SDL_WINDOW_OPENGL;
+ if(!windowed)flags|=SDL_WINDOW_FULLSCREEN;
+ SDL_Window *screen=SDL_CreateWindow(winTitle,SDL_WINDOWPOS_UNDEFINED,SDL_WINDOWPOS_UNDEFINED,scrw,scrh,flags);
+ hwnd=(void*)screen;
+ glContext=SDL_GL_CreateContext(screen);
+ SDL_GL_SetAttribute(SDL_GL_RED_SIZE,8);
+ SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE,8);
+ SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE,8);
+ SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE,8);
+ SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE,16);
+ SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL,1);
+ SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER,1);
+ SDL_GL_SetSwapInterval(vsync?1:0);
+ if(!hwnd)
+ {
+ smLog("%s:" SLINE ": SDL_CreateWindow() failed with error %s\n",SYS_SDL_SRCFN,SDL_GetError());
+ SDL_Quit();
+ return false;
+ }
+ if(!windowed)
+ {
+ mouseOver=true;
+ if(!pSM->Active)pSM->focusChange(true);
+ }
+ SDL_ShowCursor(hideMouse?SDL_DISABLE:SDL_ENABLE);
+ initInput();
+ if(!initOGL()){smFinale();return false;}
+ if(!initOAL()){smFinale();return false;}
+ t0=SDL_GetTicks();dt=fcnt=0;fps=.0;
+ updateFPSDelay=.0;
+ return true;
+}
+
+void SMELT_IMPL::smFinale()
+{
+ smLog("%s:" SLINE ": Cleaning up...\n",SYS_SDL_SRCFN);
+ clearQueue();finiOAL();finiOGL();
+ SDL_GL_UnloadLibrary();SDL_Quit();hwnd=0;
+}
+
+void SMELT_IMPL::smMainLoop()
+{
+ if(!hwnd)return smLog("%s:" SLINE ": Error: SMELT is not initialized.\n",SYS_SDL_SRCFN);
+ if(!pUpdateFunc&&!updateHandler) return smLog("%s:" SLINE ": UpdateFunc is not defined.\n",SYS_SDL_SRCFN);
+ Active=true;
+ for(;;)
+ {
+ SDL_Event e;
+ bool loopcont=true;
+ while(SDL_PollEvent(&e)&&loopcont)loopcont=procSDLEvent(e);
+ if(!loopcont)break;
+ if(Active||noSuspend)
+ {
+ Uint32 sdlticks;
+ do{sdlticks=SDL_GetTicks();dt=sdlticks-t0;}while(dt<1);
+ if(dt>=fixDelta)
+ {
+ timeDelta=dt/1000.;
+ if(timeDelta>0.2)timeDelta=fixDelta?fixDelta/1000.:.01;
+ ++fcnt;updateFPSDelay+=timeDelta;t0=sdlticks;timeS+=timeDelta;
+ if(updateFPSDelay>1){fps=fcnt/updateFPSDelay;updateFPSDelay=.0;fcnt=0;}
+ if(pUpdateFunc){if(pUpdateFunc())break;}
+ if(updateHandler){if(updateHandler->handlerFunc())break;}
+ for(int i=1;i<=255;++i)keylst[i]=((keyz[i]&4)!=0);
+ clearQueue();
+ }
+ else
+ if(fixDelta&&dt+3<fixDelta)SDL_Delay(1);
+ }else SDL_Delay(1);
+ }
+ clearQueue();Active=false;
+}
+void SMELT_IMPL::smUpdateFunc(smHook func){pUpdateFunc=func;}
+void SMELT_IMPL::smUpdateFunc(smHandler* h){updateHandler=h;}
+void SMELT_IMPL::smUnFocFunc(smHook func){pUnFocFunc=func;}
+void SMELT_IMPL::smUnFocFunc(smHandler* h){unFocHandler=h;}
+void SMELT_IMPL::smFocFunc(smHook func){pFocFunc=func;}
+void SMELT_IMPL::smFocFunc(smHandler* h){focHandler=h;}
+void SMELT_IMPL::smQuitFunc(smHook func){pQuitFunc=func;}
+void SMELT_IMPL::smQuitFunc(smHandler* h){quitHandler=h;}
+void SMELT_IMPL::smWinTitle(const char *title){strcpy(winTitle,title);}
+bool SMELT_IMPL::smIsActive(){return Active;}
+void SMELT_IMPL::smNoSuspend(bool para){noSuspend=para;}
+void SMELT_IMPL::smVidMode(int resX,int resY,bool _windowed)
+{
+ if(vertexArray)return;
+ if(!pOpenGLDevice)scrw=resX,scrh=resY,windowed=_windowed;
+ else if(windowed!=_windowed)
+ {
+ windowed=_windowed;
+ Uint32 flags=SDL_WINDOW_OPENGL;
+ if(!windowed)flags|=SDL_WINDOW_FULLSCREEN;
+ SDL_SetWindowFullscreen((SDL_Window*)hwnd,flags);
+ restOGL();
+ if(!windowed){mouseOver=true;if(!pSM->Active)pSM->focusChange(true);}
+ }
+}
+void SMELT_IMPL::smLogFile(const char* path)
+{
+ strcpy(logFile,path);
+ FILE *tf=fopen(logFile,"w");
+ if(!tf)*logFile=0;else fclose(tf);
+}
+void SMELT_IMPL::smLog(const char* format,...)
+{
+ va_list ap;
+ va_start(ap,format);vfprintf(stderr,format,ap);va_end(ap);
+ FILE *logf=fopen(logFile,"a");if(!logf)return;
+ va_start(ap,format);vfprintf(logf,format,ap);va_end(ap);
+ fclose(logf);
+}
+void SMELT_IMPL::smScreenShot(const char* path)
+{
+ if(pOpenGLDevice)
+ {
+ #if SDL_BYTEORDER==SDL_BIG_ENDIAN
+ const Uint32 rmask=0xFF0000;
+ const Uint32 gmask=0x00FF00;
+ const Uint32 bmask=0x0000FF;
+ #else
+ const Uint32 rmask=0x0000FF;
+ const Uint32 gmask=0x00FF00;
+ const Uint32 bmask=0xFF0000;
+ #endif
+ pOpenGLDevice->glFinish();
+ SDL_Surface *screen=SDL_GetWindowSurface((SDL_Window*)hwnd);
+ SDL_Surface *surface=SDL_CreateRGBSurface(SDL_SWSURFACE,screen->w,screen->h,24,rmask,gmask,bmask,0);
+ pOpenGLDevice->glReadPixels(0,0,screen->w,screen->h,GL_RGB,GL_UNSIGNED_BYTE,surface->pixels);
+ flipSDLSurface(surface->pitch,surface->h,surface->pixels);
+ SDL_SaveBMP(surface,path);
+ SDL_FreeSurface(surface);
+ }
+}
+void SMELT_IMPL::smSetFPS(int fps)
+{
+ vsync=(fps==FPS_VSYNC);
+ if(pOpenGLDevice)SDL_GL_SetSwapInterval(vsync?1:0);
+ if(fps>0)fixDelta=1000./fps;else fixDelta=0;
+}
+float SMELT_IMPL::smGetFPS(){return fps;}
+float SMELT_IMPL::smGetDelta(){return timeDelta;}
+float SMELT_IMPL::smGetTime(){return timeS;}
+
+SMELT_IMPL::SMELT_IMPL()
+{
+ hwnd=NULL;Active=false;memset(curError,0,sizeof(curError));
+ pUpdateFunc=pUnFocFunc=pFocFunc=pQuitFunc=NULL;
+ updateHandler=unFocHandler=focHandler=quitHandler=NULL;
+ Icon=NULL;strcpy(winTitle,"untitled");scrw=dispw=800;scrh=disph=600;
+ windowed=vsync=false;memset(logFile,0,sizeof(logFile));
+ limfps=0;hideMouse=true;noSuspend=false;
+ pOpenGLDevice=NULL;targets=NULL;curTarget=NULL;
+ textures=NULL;vertexArray=NULL;vertexBuf=NULL;indexBuf=NULL;primTex=0;
+ pOpenALDevice=NULL;mute=false;inpQueue=NULL;posz=0;posx=posy=.0;
+ mouseOver=true;captured=false;keymods=KMOD_NONE;zbufenabled=false;
+ timeDelta=updateFPSDelay=fps=.0;fcnt=dt=fixDelta=0;
+}
+void SMELT_IMPL::focusChange(bool actif)
+{
+ Active=actif;
+ if(actif){pFocFunc?pFocFunc():0;focHandler?focHandler->handlerFunc():0;}
+ else {pUnFocFunc?pUnFocFunc():0;unFocHandler?unFocHandler->handlerFunc():0;};
+}
+bool SMELT_IMPL::procSDLEvent(const SDL_Event &e)
+{
+ switch(e.type)
+ {
+ case SDL_WINDOWEVENT:
+ switch(e.window.event)
+ {
+ case SDL_WINDOWEVENT_EXPOSED:
+ //redraw, omitted.
+ break;
+ case SDL_WINDOWEVENT_FOCUS_GAINED:
+ pSM->focusChange(true);
+ break;
+ case SDL_WINDOWEVENT_FOCUS_LOST:
+ pSM->focusChange(false);
+ break;
+ case SDL_WINDOWEVENT_ENTER:
+ mouseOver=true;
+ break;
+ case SDL_WINDOWEVENT_LEAVE:
+ mouseOver=false;
+ break;
+ }
+ break;
+ case SDL_QUIT:
+ {
+ bool accepted=true;
+ if(pSM->pQuitFunc&&pSM->pQuitFunc())accepted=false;
+ if(pSM->quitHandler&&quitHandler->handlerFunc())accepted=false;
+ if(accepted)return false;
+ }
+ break;
+ case SDL_KEYDOWN:
+ keymods=(SDL_Keymod)e.key.keysym.mod;
+ if((keymods&KMOD_ALT)&&((e.key.keysym.sym==SDLK_RETURN)||(e.key.keysym.sym==SDLK_KP_ENTER)))
+ {smVidMode(scrw,scrh,!windowed);break;}
+ pSM->buildEvent(INPUT_KEYDOWN,e.key.keysym.scancode,0,0,-1,-1);
+ break;
+ case SDL_KEYUP:
+ keymods=(SDL_Keymod)e.key.keysym.mod;
+ pSM->buildEvent(INPUT_KEYUP,e.key.keysym.scancode,0,0,-1,-1);
+ break;
+ case SDL_MOUSEBUTTONDOWN:
+ if(e.button.button==SDL_BUTTON_LEFT)
+ pSM->buildEvent(INPUT_MBUTTONDOWN,SMK_LBUTTON,0,0,e.button.x,e.button.y);
+ if(e.button.button==SDL_BUTTON_RIGHT)
+ pSM->buildEvent(INPUT_MBUTTONDOWN,SMK_RBUTTON,0,0,e.button.x,e.button.y);
+ if(e.button.button==SDL_BUTTON_MIDDLE)
+ pSM->buildEvent(INPUT_MBUTTONDOWN,SMK_MBUTTON,0,0,e.button.x,e.button.y);
+ break;
+ case SDL_MOUSEBUTTONUP:
+ if(e.button.button==SDL_BUTTON_LEFT)
+ pSM->buildEvent(INPUT_MBUTTONUP,SMK_LBUTTON,0,0,e.button.x,e.button.y);
+ if(e.button.button==SDL_BUTTON_RIGHT)
+ pSM->buildEvent(INPUT_MBUTTONUP,SMK_RBUTTON,0,0,e.button.x,e.button.y);
+ if(e.button.button==SDL_BUTTON_MIDDLE)
+ pSM->buildEvent(INPUT_MBUTTONUP,SMK_MBUTTON,0,0,e.button.x,e.button.y);
+ break;
+ case SDL_MOUSEWHEEL:
+ if(e.wheel.y>0)pSM->buildEvent(INPUT_MOUSEWHEEL,1,0,0,e.button.x,e.button.y);
+ if(e.wheel.y<0)pSM->buildEvent(INPUT_MOUSEWHEEL,-1,0,0,e.button.x,e.button.y);
+ break;
+ case SDL_MOUSEMOTION:
+ pSM->buildEvent(INPUT_MOUSEMOVE,0,0,0,e.motion.x,e.motion.y);
+ break;
+ }
+ return true;
+}
+void SMELT_IMPL::flipSDLSurface(int p,int h,void* px)
+{
+ void* temp_row;
+ int height_div_2;
+ temp_row=(void*)malloc(p);
+ //assert(temp_row);
+ height_div_2=(int)(h*.5);
+ for(int i=0;i<height_div_2;++i)
+ {
+ memcpy((Uint8*)temp_row,(Uint8*)(px)+p*i,p);
+ memcpy((Uint8*)(px)+p*i,(Uint8*)(px)+p*(h-i-1),p);
+ memcpy((Uint8*)(px)+p*(h-i-1),temp_row,p);
+ }
+ free(temp_row);
+}