//contains generic plugin code for dll/qvm //it's this one or the engine... #include "plugin.h" typedef struct { char *name; export_t func; } exports_t; extern exports_t exports[16]; int vmMain( int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8, int arg9, int arg10, int arg11 ) { int ret; int args[12]; args[0] = arg0; args[1] = arg1; args[2] = arg2; args[3] = arg3; args[4] = arg4; args[5] = arg5; args[6] = arg6; args[7] = arg7; args[8] = arg8; args[9] = arg9; args[10] = arg10; args[11] = arg11; // return exports[command].func(args); ret = exports[command].func(args); return ret; } #ifndef Q3_VM int (QDECL *plugin_syscall)( int arg, ... ); #endif #define PASSFLOAT(f) *(int*)&(f) #define ARGNAMES ,funcname BUILTINR(funcptr_t, Plug_GetEngineFunction, (char *funcname)); #undef ARGNAMES #define ARGNAMES ,funcname,expnum BUILTINR(int, Plug_ExportToEngine, (char *funcname, int expnum)); #undef ARGNAMES #define ARGNAMES ,text BUILTIN(void, Con_Print, (char *text)); //on to main console. #undef ARGNAMES #define ARGNAMES ,conname,text BUILTIN(void, Con_SubPrint, (char *conname, char *text)); //on to named sub console (creating it too). #undef ARGNAMES #define ARGNAMES ,old,new BUILTIN(void, Con_RenameSub, (char *old, char *new)); //on to named sub console (creating it too). #undef ARGNAMES #define ARGNAMES ,message BUILTIN(void, Sys_Error, (char *message)); //abort the entire engine. #undef ARGNAMES #define ARGNAMES BUILTINR(unsigned int, Sys_Milliseconds, (void)); //get the time the engine has been running. #undef ARGNAMES #define ARGNAMES ,buffer BUILTIN(void, Cmd_AddCommand, (char *buffer)); //register a command. #undef ARGNAMES #define ARGNAMES ,buffer,bufsize BUILTIN(void, Cmd_Args, (char *buffer, int bufsize)); //retrieve some arguments. #undef ARGNAMES #define ARGNAMES ,argnum,buffer,bufsize BUILTIN(void, Cmd_Argv, (int argnum, char *buffer, int bufsize)); //retrieve a single argument at a time. #undef ARGNAMES #define ARGNAMES BUILTINR(int, Cmd_Argc, (void)); //get the argument count. #undef ARGNAMES #define ARGNAMES ,msg BUILTIN(void, Cmd_TokenizeString, (char *msg)); //tokenize a string. #undef ARGNAMES #define ARGNAMES ,text,insert BUILTIN(void, Cmd_AddText, (char *text, qboolean insert)); //add stuff to the console input. #undef ARGNAMES #define ARGNAMES ,name,value BUILTIN(void, Cvar_SetString, (char *name, char *value)); //set a cvar string #undef ARGNAMES #define ARGNAMES ,name,PASSFLOAT(value) BUILTIN(void, Cvar_SetFloat, (char *name, float value)); //set a cvar float #undef ARGNAMES #define ARGNAMES ,name,retstring,sizeofretstring BUILTINR(qboolean, Cvar_GetString, (char *name, char *retstring, int sizeofretstring)); //retrieve a cvar string #undef ARGNAMES #define ARGNAMES ,name BUILTINR(float, Cvar_GetFloat, (char *name)); //get a cvar's value #undef ARGNAMES #define ARGNAMES ,name,defaultval,flags,grouphint BUILTINR(qhandle_t, Cvar_Register, (char *name, char *defaultval, int flags, char *grouphint)); //register a new cvar #undef ARGNAMES #define ARGNAMES ,handle,modificationcount,stringv,floatv BUILTINR(int, Cvar_Update, (qhandle_t handle, int *modificationcount, char *stringv, float *floatv)); //stringv is 256 chars long, don't expect this function to do anything if modification count is unchanged. #undef ARGNAMES #define ARGNAMES ,pnum,stats,maxstats BUILTIN(void, CL_GetStats, (int pnum, unsigned int *stats, int maxstats)); #undef ARGNAMES #define ARGNAMES ,soundname BUILTIN(void, LocalSound, (char *soundname)); #undef ARGNAMES #define ARGNAMES ,name,iswadimage BUILTINR(qhandle_t, Draw_LoadImage, (char *name, qboolean iswadimage)); //wad image is ONLY for loading out of q1 gfx.wad #undef ARGNAMES #define ARGNAMES ,PASSFLOAT(x),PASSFLOAT(y),PASSFLOAT(w),PASSFLOAT(h),PASSFLOAT(s1),PASSFLOAT(t1),PASSFLOAT(s2),PASSFLOAT(t2),image BUILTIN(void, Draw_Image, (float x, float y, float w, float h, float s1, float t1, float s2, float t2, qhandle_t image)); #undef ARGNAMES #define ARGNAMES ,PASSFLOAT(x1),PASSFLOAT(y1),PASSFLOAT(x2),PASSFLOAT(y2) BUILTIN(void, Draw_Line, (float x1, float y1, float x2, float y2)); #undef ARGNAMES #define ARGNAMES ,PASSFLOAT(x),PASSFLOAT(y),PASSFLOAT(w),PASSFLOAT(h) BUILTIN(void, Draw_Fill, (int x, int y, int w, int h)); #undef ARGNAMES #define ARGNAMES ,x,y,characture BUILTIN(void, Draw_Character, (int x, int y, unsigned int characture)); #undef ARGNAMES #define ARGNAMES ,palcol BUILTIN(void, Draw_Colourp, (int palcol)); #undef ARGNAMES #define ARGNAMES ,PASSFLOAT(r),PASSFLOAT(g),PASSFLOAT(b) BUILTIN(void, Draw_Colour3f, (float r, float g, float b)); #undef ARGNAMES #define ARGNAMES ,PASSFLOAT(r),PASSFLOAT(g),PASSFLOAT(b),PASSFLOAT(a) BUILTIN(void, Draw_Colour4f, (float r, float g, float b, float a)); #undef ARGNAMES #define ARGNAMES ,s BUILTIN(void, SCR_CenterPrint, (char *s)); #undef ARGNAMES #define ARGNAMES ,src,srcwidth,srcheight,x,y,width,height BUILTIN(void, Media_ShowFrameRGBA_32, (void *src, int srcwidth, int srcheight, int x, int y, int width, int height)); #undef ARGNAMES #define ARGNAMES ,mnum BUILTIN(void, Menu_Control, (int mnum)); #undef ARGNAMES #define ARGNAMES ,keyname BUILTINR(int, Key_GetKeyCode, (char *keyname)); #undef ARGNAMES #define ARGNAMES ,name,handle,mode BUILTINR(int, FS_Open, (char *name, qhandle_t *handle, int mode)); #undef ARGNAMES #define ARGNAMES ,handle BUILTIN(void, FS_Close, (qhandle_t handle)); #undef ARGNAMES #define ARGNAMES ,handle,data,len BUILTINR(int, FS_Write, (qhandle_t handle, void *data, int len)); #undef ARGNAMES #define ARGNAMES ,handle,data,len BUILTINR(int, FS_Read, (qhandle_t handle, void *data, int len)); #undef ARGNAMES #define ARGNAMES ,ip,port BUILTINR(qhandle_t, Net_TCPConnect, (char *ip, int port)); #undef ARGNAMES #define ARGNAMES ,ip,port,maxcount BUILTINR(qhandle_t, Net_TCPListen, (char *ip, int port, int maxcount)); #undef ARGNAMES #define ARGNAMES ,socket,address,addresslen BUILTINR(qhandle_t, Net_Accept, (qhandle_t socket, char *address, int addresslen)); #undef ARGNAMES #define ARGNAMES ,socket,buffer,len BUILTINR(int, Net_Recv, (qhandle_t socket, void *buffer, int len)); #undef ARGNAMES #define ARGNAMES ,socket,buffer,len BUILTINR(int, Net_Send, (qhandle_t socket, void *buffer, int len)); #undef ARGNAMES #define ARGNAMES ,socket BUILTIN(void, Net_Close, (qhandle_t socket)); #undef ARGNAMES #ifdef Q3_VM #define ARGNAMES ,out,in,len BUILTIN(void, memcpy, (void *out, void *in, int len)); #undef ARGNAMES #define ARGNAMES ,out,in,len BUILTIN(void, memset, (void *out, int in, int len)); #undef ARGNAMES #define ARGNAMES ,out,in,len BUILTIN(void, memmove, (void *out, void *in, int len)); #undef ARGNAMES #define ARGNAMES ,PASSFLOAT(f) BUILTINR(float, sqrt, (float f)); BUILTINR(float, sin, (float f)); BUILTINR(float, cos, (float f)); #undef ARGNAMES #endif char *va(char *format, ...) //Identical in function to the one in Quake, though I can assure you that I wrote it... { //It's not exactly hard, just easy to use, so gets duplicated lots. va_list argptr; static char string[1024]; va_start (argptr, format); vsnprintf (string, sizeof(string), format,argptr); va_end (argptr); return string; } void Con_Printf(char *format, ...) { va_list argptr; static char string[1024]; va_start (argptr, format); vsnprintf (string, sizeof(string), format,argptr); va_end (argptr); Con_Print(string); } void Sys_Errorf(char *format, ...) { va_list argptr; static char string[1024]; va_start (argptr, format); vsnprintf (string, sizeof(string), format,argptr); va_end (argptr); Sys_Error(string); } void BadBuiltin(void) { Sys_Error("Plugin tried calling a missing builtin\n"); } void Plug_InitStandardBuiltins(void) { //con_print is used if the others don't exist, and MUST come first (for the sake of sanity) CHECKBUILTIN(Con_Print); CHECKBUILTIN(Plug_ExportToEngine); CHECKBUILTIN(Sys_Error); #ifdef Q3_VM CHECKBUILTIN(memcpy); CHECKBUILTIN(memmove); CHECKBUILTIN(memset); CHECKBUILTIN(sqrt); CHECKBUILTIN(sin); CHECKBUILTIN(cos); #endif CHECKBUILTIN(Sys_Milliseconds); //command execution CHECKBUILTIN(Cmd_AddCommand); CHECKBUILTIN(Cmd_Args); CHECKBUILTIN(Cmd_Argv); CHECKBUILTIN(Cmd_Argc); CHECKBUILTIN(Cmd_AddText); //cvar stuff CHECKBUILTIN(Cvar_SetString); CHECKBUILTIN(Cvar_SetFloat); CHECKBUILTIN(Cvar_GetString); CHECKBUILTIN(Cvar_GetFloat); CHECKBUILTIN(Cvar_Register); CHECKBUILTIN(Cvar_Update); //file system CHECKBUILTIN(FS_Open); CHECKBUILTIN(FS_Read); CHECKBUILTIN(FS_Write); CHECKBUILTIN(FS_Close); //networking CHECKBUILTIN(Net_TCPConnect); CHECKBUILTIN(Net_TCPListen); CHECKBUILTIN(Net_Accept); CHECKBUILTIN(Net_Recv); CHECKBUILTIN(Net_Send); CHECKBUILTIN(Net_Close); //random things CHECKBUILTIN(CL_GetStats); CHECKBUILTIN(LocalSound); CHECKBUILTIN(Menu_Control); CHECKBUILTIN(Key_GetKeyCode); //drawing routines CHECKBUILTIN(Draw_LoadImage); CHECKBUILTIN(Draw_Image); CHECKBUILTIN(Draw_Line); CHECKBUILTIN(Draw_Fill); CHECKBUILTIN(Draw_Character); CHECKBUILTIN(Draw_Colourp); CHECKBUILTIN(Draw_Colour3f); CHECKBUILTIN(Draw_Colour4f); CHECKBUILTIN(SCR_CenterPrint); CHECKBUILTIN(Media_ShowFrameRGBA_32); //sub consoles (optional) CHECKBUILTIN(Con_SubPrint); CHECKBUILTIN(Con_RenameSub); } #ifndef Q3_VM void dllEntry(int (QDECL *funcptr)(int,...)) { plugin_syscall = funcptr; } #endif vmvideo_t vid; int Plug_UpdateVideo(int *args) { vid.width = args[0]; vid.height = args[1]; return true; } int Plug_InitAPI(int *args) { #ifdef Q3_VM Plug_GetEngineFunction = (void*)args[0]; #else BUILTIN_Plug_GetEngineFunction = args[0]; #endif Plug_InitStandardBuiltins(); Plug_Export("UpdateVideo", Plug_UpdateVideo); return Plug_Init(args); } qboolean Plug_Export(char *name, export_t func) { int i; for (i = 0; i < sizeof(exports)/sizeof(exports[0]); i++) { if (!exports[i].name) { exports[i].name = name; exports[i].func = func; return Plug_ExportToEngine(name, i); } } Sys_Error("Plugin exports too many functions"); return 0; } exports_t exports[sizeof(exports)/sizeof(exports[0])] = { {"Plug_Init", Plug_InitAPI}, };