diff options
Diffstat (limited to 'smelt/glfw_m/sys_glfw.cpp')
| -rw-r--r-- | smelt/glfw_m/sys_glfw.cpp | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/smelt/glfw_m/sys_glfw.cpp b/smelt/glfw_m/sys_glfw.cpp new file mode 100644 index 0000000..a5829f3 --- /dev/null +++ b/smelt/glfw_m/sys_glfw.cpp @@ -0,0 +1,334 @@ +// -*- 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" +#include <thread> +#include <chrono> +static const char* SYS_GLFW_SRCFN="smelt/glfw_m/sys_glfw.cpp"; +int refcnt=0; +SMELT_IMPL *pSM=0; +char lasterr[1024]; + +void glfwErrorHandler(int err,const char* desc); +void glfwFocChangeHandler(GLFWwindow*,int foc); +void glfwCursorEnterHandler(GLFWwindow*,int ent); +void glfwKBEventHandler(GLFWwindow* window,int key,int scancode,int action,int mods); +void glfwMouseButtonHandler(GLFWwindow* w,int btn,int action,int mods); +void glfwMouseMotionHandler(GLFWwindow*,double x,double y); +void glfwMouseWheelHandler(GLFWwindow* w,double x,double y); + +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_GLFW_SRCFN); + smLog("%s:" SLINE ": SMELT api version %d\n",SYS_GLFW_SRCFN,SMELT_APILEVEL); + time_t t=time(NULL); + smLog("%s:" SLINE ": Date %s",SYS_GLFW_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_GLFW_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=(char*)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_GLFW_SRCFN,cpuName); + free(loced); + + GlobalMemoryStatus(&mem_st); + smLog("%s:" SLINE ": Memory: %ldK total, %ldK free\n", SYS_GLFW_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_GLFW_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_GLFW_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_GLFW_SRCFN,totalm,freem); + fclose(a); +#endif + glfwSetErrorCallback(glfwErrorHandler); + if(!glfwInit()) + { + smLog("%s:" SLINE ": glfwInit() failed with error %s\n",SYS_GLFW_SRCFN,lasterr); + return false; + } + GLFWmonitor *moninfo=glfwGetPrimaryMonitor(); + dispw=glfwGetVideoMode(moninfo)->width; + disph=glfwGetVideoMode(moninfo)->height; + smLog("%s:" SLINE ": Screen: %d x %d\n",SYS_GLFW_SRCFN,dispw,disph); + glfwWindowHint(GLFW_RED_BITS,8); + glfwWindowHint(GLFW_GREEN_BITS,8); + glfwWindowHint(GLFW_BLUE_BITS,8); + glfwWindowHint(GLFW_ALPHA_BITS,8); + glfwWindowHint(GLFW_DEPTH_BITS,16); + glfwWindowHint(GLFW_DOUBLEBUFFER,1); + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR,3); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR,3); + glfwWindowHint(GLFW_OPENGL_PROFILE,GLFW_OPENGL_CORE_PROFILE); + GLFWwindow *screen=glfwCreateWindow(windowed?scrw:dispw,windowed?scrh:disph,winTitle,NULL,NULL); + hwnd=(void*)screen; + if(!hwnd) + { + smLog("%s:" SLINE ": glfwCreateWindow() failed with error %s\n",SYS_GLFW_SRCFN,lasterr); + glfwTerminate(); + return false; + } + glfwMakeContextCurrent(screen); + glfwSwapInterval(vsync?1:0); + if(!windowed) + { + mouseOver=true; + if(!pSM->Active)pSM->focusChange(true); + } + if(hideMouse)glfwSetInputMode(screen,GLFW_CURSOR,GLFW_CURSOR_HIDDEN); + glfwSetWindowFocusCallback(screen,glfwFocChangeHandler); + glfwSetCursorEnterCallback(screen,glfwCursorEnterHandler); + glfwSetKeyCallback(screen,glfwKBEventHandler); + glfwSetCursorPosCallback(screen,glfwMouseMotionHandler); + glfwSetMouseButtonCallback(screen,glfwMouseButtonHandler); + glfwSetScrollCallback(screen,glfwMouseWheelHandler); + initInput(); + if(!initOGL()){smFinale();return false;} + if(!initOAL()){smFinale();return false;} + t0=DWORD(glfwGetTime()*1000.);dt=fcnt=0;fps=.0; + updateFPSDelay=.0; + return true; +} + +void SMELT_IMPL::smFinale() +{ + smLog("%s:" SLINE ": Cleaning up...\n",SYS_GLFW_SRCFN); + clearQueue();finiOAL();finiOGL(); + glfwDestroyWindow((GLFWwindow*)hwnd);glfwTerminate();hwnd=0; +} + +void SMELT_IMPL::smMainLoop() +{ + if(!hwnd)return smLog("%s:" SLINE ": Error: SMELT is not initialized.\n",SYS_GLFW_SRCFN); + if(!pUpdateFunc&&!updateHandler) return smLog("%s:" SLINE ": UpdateFunc is not defined.\n",SYS_GLFW_SRCFN); + Active=true; + for(;;) + { + glfwPollEvents(); + bool loopcont=true; + loopcont=procGLFWEvent(); + if(!loopcont)break; + if(Active||noSuspend) + { + DWORD ticks; + do{ticks=DWORD(glfwGetTime()*1000.);dt=ticks-t0;}while(dt<1); + if(dt>=fixDelta) + { + timeDelta=dt/1000.; + if(timeDelta>0.2)timeDelta=fixDelta?fixDelta/1000.:.01; + ++fcnt;updateFPSDelay+=timeDelta;t0=ticks;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)std::this_thread::sleep_for(std::chrono::milliseconds(1)); + }else std::this_thread::sleep_for(std::chrono::milliseconds(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; + glfwSetWindowSize((GLFWwindow*)hwnd,windowed?scrw:dispw,windowed?scrh:disph); + 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) + { + //glFinish(); + //glReadPixels(0,0,screen->w,screen->h,GL_RGB,GL_UNSIGNED_BYTE,surface->pixels); + } +} +void SMELT_IMPL::smSetFPS(int fps) +{ + vsync=(fps==FPS_VSYNC); + if(pOpenGLDevice)glfwSwapInterval(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=0;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::procGLFWEvent() +{ + if(glfwWindowShouldClose((GLFWwindow*)hwnd)) + { + bool accepted=true; + if(pSM->pQuitFunc&&pSM->pQuitFunc())accepted=false; + if(pSM->quitHandler&&quitHandler->handlerFunc())accepted=false; + if(accepted)return false; + } + return true; +} +void glfwErrorHandler(int err,const char* desc) +{ + strcpy(lasterr,desc); +} +void glfwFocChangeHandler(GLFWwindow*,int foc) +{ + pSM->focusChange(foc); +} +void glfwCursorEnterHandler(GLFWwindow*,int ent) +{ + pSM->mouseOver=ent; +} +void glfwKBEventHandler(GLFWwindow* window,int key,int scancode,int action,int mods) +{ + if(action==GLFW_RELEASE) + { + pSM->keymods=mods; + pSM->buildEvent(INPUT_KEYUP,key,0,0,-1,-1); + } + else + { + pSM->keymods=mods; + if((pSM->keymods&GLFW_MOD_ALT)&&((key==GLFW_KEY_ENTER)||(key==GLFW_KEY_KP_ENTER))) + pSM->smVidMode(pSM->scrw,pSM->scrh,!pSM->windowed); + pSM->buildEvent(INPUT_KEYDOWN,key,0,0,-1,-1); + } +} +void glfwMouseButtonHandler(GLFWwindow* w,int btn,int action,int mods) +{ + double x,y;glfwGetCursorPos(w,&x,&y); + if(action==GLFW_PRESS) + { + if(btn==GLFW_MOUSE_BUTTON_LEFT) + pSM->buildEvent(INPUT_MBUTTONDOWN,SMK_LBUTTON,0,0,x,y); + if(btn==GLFW_MOUSE_BUTTON_RIGHT) + pSM->buildEvent(INPUT_MBUTTONDOWN,SMK_RBUTTON,0,0,x,y); + if(btn==GLFW_MOUSE_BUTTON_MIDDLE) + pSM->buildEvent(INPUT_MBUTTONDOWN,SMK_MBUTTON,0,0,x,y); + } + else + { + if(btn==GLFW_MOUSE_BUTTON_LEFT) + pSM->buildEvent(INPUT_MBUTTONUP,SMK_LBUTTON,0,0,x,y); + if(btn==GLFW_MOUSE_BUTTON_RIGHT) + pSM->buildEvent(INPUT_MBUTTONUP,SMK_RBUTTON,0,0,x,y); + if(btn==GLFW_MOUSE_BUTTON_MIDDLE) + pSM->buildEvent(INPUT_MBUTTONUP,SMK_MBUTTON,0,0,x,y); + } +} +void glfwMouseMotionHandler(GLFWwindow*,double x,double y) +{ + pSM->buildEvent(INPUT_MOUSEMOVE,0,0,0,x,y); +} +void glfwMouseWheelHandler(GLFWwindow* w,double x,double y) +{ + double cx,cy;glfwGetCursorPos(w,&cx,&cy); + if(y>0)pSM->buildEvent(INPUT_MOUSEWHEEL,1,0,0,cx,cy); + if(y<0)pSM->buildEvent(INPUT_MOUSEWHEEL,-1,0,0,cx,cy); +} |