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fteqw/plugins/plugin.c
Spoike 777cbdb6bc Small fixes for more robustness (more for testing). 
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@1643 fc73d0e0-1445-4013-8a0c-d673dee63da5
2005-12-01 01:16:55 +00:00

358 lines
9.4 KiB
C
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//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)); //abort the entire engine.
#undef ARGNAMES
#define ARGNAMES ,buffer
BUILTIN(void, Cmd_AddCommand, (char *buffer)); //abort the entire engine.
#undef ARGNAMES
#define ARGNAMES ,buffer,bufsize
BUILTIN(void, Cmd_Args, (char *buffer, int bufsize)); //abort the entire engine.
#undef ARGNAMES
#define ARGNAMES ,argnum,buffer,bufsize
BUILTIN(void, Cmd_Argv, (int argnum, char *buffer, int bufsize)); //abort the entire engine.
#undef ARGNAMES
#define ARGNAMES
BUILTINR(int, Cmd_Argc, (void)); //abort the entire engine.
#undef ARGNAMES
#define ARGNAMES ,msg
BUILTIN(void, Cmd_TokenizeString, (char *msg)); //abort the entire engine.
#undef ARGNAMES
#define ARGNAMES ,text,insert
BUILTIN(void, Cmd_AddText, (char *text, qboolean insert)); //abort the entire engine.
#undef ARGNAMES
#define ARGNAMES ,name,value
BUILTIN(void, Cvar_SetString, (char *name, char *value));
#undef ARGNAMES
#define ARGNAMES ,name,value
BUILTIN(void, Cvar_SetFloat, (char *name, float value));
#undef ARGNAMES
#define ARGNAMES ,name,retstring,sizeofretstring
BUILTINR(qboolean, Cvar_GetString, (char *name, char *retstring, int sizeofretstring));
#undef ARGNAMES
#define ARGNAMES ,name
BUILTINR(float, Cvar_GetFloat, (char *name));
#undef ARGNAMES
#define ARGNAMES ,name,defaultval,flags,grouphint
BUILTINR(qhandle_t, Cvar_Register, (char *name, char *defaultval, int flags, char *grouphint));
#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(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, int *handle, int mode));
#undef ARGNAMES
#define ARGNAMES ,handle
BUILTIN(void, FS_Close, (int handle));
#undef ARGNAMES
#define ARGNAMES ,handle,data,len
BUILTIN(void, FS_Write, (int handle, void *data, int len));
#undef ARGNAMES
#define ARGNAMES ,handle,data,len
BUILTIN(void, FS_Read, (int handle, void *data, int len));
#undef ARGNAMES
#define ARGNAMES ,ip,port
BUILTINR(int, Net_TCPConnect, (char *ip, int port));
#undef ARGNAMES
#define ARGNAMES ,ip,port,maxcount
BUILTINR(int, Net_TCPListen, (char *ip, int port, int maxcount));
#undef ARGNAMES
#define ARGNAMES ,socket,address,addresslen
BUILTINR(int, Net_Accept, (int socket, char *address, int addresslen));
#undef ARGNAMES
#define ARGNAMES ,socket,buffer,len
BUILTINR(int, Net_Recv, (int socket, void *buffer, int len));
#undef ARGNAMES
#define ARGNAMES ,socket,buffer,len
BUILTINR(int, Net_Send, (int socket, void *buffer, int len));
#undef ARGNAMES
#define ARGNAMES ,socket
BUILTIN(void, Net_Close, (int 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
#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);
#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_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},
};
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