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fteqw/engine/common/plugin.c
Spoike 0c22b8c344 Some q3 tweaks. 
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5416 fc73d0e0-1445-4013-8a0c-d673dee63da5
2019-02-24 08:32:45 +00:00

2291 lines
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//This file should be easily portable.
//The biggest strength of this plugin system is that ALL interactions are performed via
//named functions, this makes it *really* easy to port plugins from one engine to annother.
#include "quakedef.h"
#include "fs.h"
#define PLUG_NONE 0
#define PLUG_NATIVE 1
#define PLUG_QVM 2
#define PLUG_EITHER 3
#ifdef PLUGINS
cvar_t plug_sbar = CVARD("plug_sbar", "3", "Controls whether plugins are allowed to draw the hud, rather than the engine (when allowed by csqc). This is typically used to permit the ezhud plugin without needing to bother unloading it.\n=0: never use hud plugins.\n&1: Use hud plugins in deathmatch.\n&2: Use hud plugins in singleplayer/coop.\n=3: Always use hud plugins (when loaded).");
cvar_t plug_loaddefault = CVARD("plug_loaddefault", "1", "0: Load plugins only via explicit plug_load commands\n1: Load built-in plugins and those selected via the package manager\n2: Scan for misc plugins, loading all that can be found, but not built-ins.\n3: Scan for plugins, and then load any built-ins");
qintptr_t Plug_Bullet_Init(qintptr_t *args);
qintptr_t Plug_ODE_Init(qintptr_t *args);
struct
{
const char *name;
qintptr_t (*initfunction)(qintptr_t *args);
} staticplugins[] =
{
#if defined(USE_INTERNAL_BULLET)
{"bullet_internal", Plug_Bullet_Init},
#endif
#if defined(USE_INTERNAL_ODE)
{"ODE_internal", Plug_ODE_Init},
#endif
{NULL}
};
#ifdef GLQUAKE
#include "glquake.h"
#endif
//custom plugin builtins.
typedef qintptr_t (EXPORT_FN *Plug_Builtin_t)(void *offset, quintptr_t mask, const qintptr_t *arg);
void Plug_RegisterBuiltin(char *name, Plug_Builtin_t bi, int flags);
#define PLUG_BIF_DLLONLY 1 //WARNING: it is not enough to just specify this flag, but also the builtin code must return if there is an offset passed.
#define PLUG_BIF_QVMONLY 2
#define PLUG_BIF_NEEDSRENDERER 4
#include "netinc.h"
typedef struct plugin_s {
char *name;
vm_t *vm;
int blockcloses;
void *inputptr;
size_t inputbytes;
qintptr_t tick;
qintptr_t executestring;
#ifndef SERVERONLY
qintptr_t consolelink;
qintptr_t consolelinkmouseover;
qintptr_t conexecutecommand;
qintptr_t menufunction;
qintptr_t sbarlevel[3]; //0 - main sbar, 1 - supplementry sbar sections (make sure these can be switched off), 2 - overlays (scoreboard). menus kill all.
qintptr_t reschange;
//protocol-in-a-plugin
qintptr_t connectionlessclientpacket;
#endif
qintptr_t svmsgfunction;
qintptr_t chatmsgfunction;
qintptr_t centerprintfunction;
qintptr_t shutdown;
struct plugin_s *next;
} plugin_t;
int Plug_SubConsoleCommand(console_t *con, const char *line);
plugin_t *currentplug;
#ifndef SERVERONLY
#include "cl_plugin.inc"
#else
void Plug_Client_Init(void){}
void Plug_Client_Close(plugin_t *plug) {}
#endif
void Plug_Init(void);
void Plug_Close(plugin_t *plug);
void Plug_Tick(void);
qboolean Plugin_ExecuteString(void);
static plugin_t *plugs;
typedef struct {
char *name;
Plug_Builtin_t func;
int flags;
} Plug_Plugins_t;
Plug_Plugins_t *plugbuiltins;
int numplugbuiltins;
void Plug_RegisterBuiltin(char *name, Plug_Builtin_t bi, int flags)
{
//randomize the order a little.
int newnum;
newnum = (rand()%128)+1;
while(newnum < numplugbuiltins && plugbuiltins[newnum].func)
newnum+=128;
if (newnum >= numplugbuiltins)
{
int newbuiltins = newnum+128;
plugbuiltins = BZ_Realloc(plugbuiltins, sizeof(Plug_Plugins_t)*newbuiltins);
memset(plugbuiltins + numplugbuiltins, 0, sizeof(Plug_Plugins_t)*(newbuiltins - numplugbuiltins));
numplugbuiltins = newbuiltins;
}
//got an empty number.
Con_DPrintf("%s: %i\n", name, newnum);
plugbuiltins[newnum].name = name;
plugbuiltins[newnum].func = bi;
plugbuiltins[newnum].flags = flags;
}
static qintptr_t VARGS Plug_GetNativePointer(void *offset, quintptr_t mask, const qintptr_t *args)
{
#ifdef SUPPORT_ICE
char *p = (char *)VM_POINTER(args[0]);
if (offset) //QVMs are not allowed to call this
return 0;
if (!strcmp(p, ICE_API_CURRENT))
return (qintptr_t)&iceapi;
#endif
return (qintptr_t)NULL;
}
/*
static void Plug_RegisterBuiltinIndex(char *name, Plug_Builtin_t bi, int flags, int index) //I d
{
//randomize the order a little.
int newnum;
newnum = rand()%128;
while(newnum+1 < numplugbuiltins && plugbuiltins[newnum+1].func)
newnum+=128;
newnum++;
if (newnum >= numplugbuiltins)
{
numplugbuiltins = newnum+128;
plugbuiltins = BZ_Realloc(plugbuiltins, sizeof(Plug_Plugins_t)*numplugbuiltins);
}
//got an empty number.
plugbuiltins[newnum].name = name;
plugbuiltins[newnum].func = bi;
}
*/
static qintptr_t Plug_FindBuiltin(qboolean native, const char *p)
{
int i;
for (i = 0; i < numplugbuiltins; i++)
if (plugbuiltins[i].name)
if (p && !strcmp(plugbuiltins[i].name, p))
{
if (!native && plugbuiltins[i].flags & PLUG_BIF_DLLONLY)
return 0; //block it, if not native
if (native && plugbuiltins[i].flags & PLUG_BIF_QVMONLY)
return 0; //block it, if not native
return -i;
}
return 0;
}
static qintptr_t VARGS Plug_GetBuiltin(void *offset, quintptr_t mask, const qintptr_t *args)
{
char *p = (char *)VM_POINTER(args[0]);
return Plug_FindBuiltin(!offset, p);
}
static int Plug_SystemCallsVM(void *offset, quintptr_t mask, int fn, const int *arg)
{
#if FTE_WORDSIZE == 32
#define args arg
#else
qintptr_t args[9];
args[0]=arg[0];
args[1]=arg[1];
args[2]=arg[2];
args[3]=arg[3];
args[4]=arg[4];
args[5]=arg[5];
args[6]=arg[6];
args[7]=arg[7];
args[8]=arg[8];
#endif
fn = fn+1;
if (fn>=0 && fn < numplugbuiltins && plugbuiltins[fn].func!=NULL)
return plugbuiltins[fn].func(offset, mask, (qintptr_t*)args);
#undef args
Sys_Error("QVM Plugin tried calling invalid builtin %i", fn);
return 0;
}
//I'm not keen on this.
//but dlls call it without saying what sort of vm it comes from, so I've got to have them as specifics
static qintptr_t EXPORT_FN Plug_SystemCallsNative(qintptr_t arg, ...)
{
qintptr_t args[9];
va_list argptr;
va_start(argptr, arg);
args[0]=va_arg(argptr, qintptr_t);
args[1]=va_arg(argptr, qintptr_t);
args[2]=va_arg(argptr, qintptr_t);
args[3]=va_arg(argptr, qintptr_t);
args[4]=va_arg(argptr, qintptr_t);
args[5]=va_arg(argptr, qintptr_t);
args[6]=va_arg(argptr, qintptr_t);
args[7]=va_arg(argptr, qintptr_t);
args[8]=va_arg(argptr, qintptr_t);
va_end(argptr);
arg = -arg;
if (arg>=0 && arg < numplugbuiltins && plugbuiltins[arg].func)
return plugbuiltins[arg].func(NULL, ~0, args);
Sys_Error("DLL Plugin tried calling invalid builtin %i", (int)arg);
return 0;
}
qintptr_t (QDECL *plugin_syscall)( qintptr_t arg, ... ) = Plug_SystemCallsNative;
static char *Plug_CleanName(const char *file, char *out, size_t sizeof_out)
{
size_t len;
//"fteplug_ezhud_x86.REV.dll" gets converted into "ezhud"
//skip fteplug_
if (!Q_strncasecmp(file, "fteplug_", 8))
file += 8;
//strip .REV.dll
COM_StripAllExtensions(file, out, sizeof_out);
//strip _x86
len = strlen(out);
if (len > strlen("_"ARCH_CPU_POSTFIX) && !Q_strncasecmp(out+len-strlen("_"ARCH_CPU_POSTFIX), "_"ARCH_CPU_POSTFIX, strlen("_"ARCH_CPU_POSTFIX)))
{
len -= strlen("_"ARCH_CPU_POSTFIX);
out[len] = 0;
}
return out;
}
static plugin_t *Plug_Load(const char *file, int type)
{
char temp[MAX_OSPATH];
plugin_t *newplug;
Plug_CleanName(file, temp, sizeof(temp));
for (newplug = plugs; newplug; newplug = newplug->next)
{
if (!Q_strcasecmp(newplug->name, temp))
return newplug;
}
newplug = Z_Malloc(sizeof(plugin_t)+strlen(temp)+1);
newplug->name = (char*)(newplug+1);
strcpy(newplug->name, temp);
if (!newplug->vm && (type & PLUG_NATIVE) && !Q_strncasecmp(file, "fteplug_", 8) && !Q_strcasecmp(ARCH_DL_POSTFIX+1, COM_FileExtension(file, temp, sizeof(temp))))
{
COM_StripExtension(file, temp, sizeof(temp));
newplug->vm = VM_Create(temp, Plug_SystemCallsNative, NULL, NULL);
}
if (!newplug->vm && (type & PLUG_NATIVE))
newplug->vm = VM_Create(va("fteplug_%s_", file), Plug_SystemCallsNative, NULL, NULL);
if (!newplug->vm && (type & PLUG_NATIVE))
newplug->vm = VM_Create(va("fteplug_%s", file), Plug_SystemCallsNative, NULL, NULL);
if (!newplug->vm && (type & PLUG_QVM))
newplug->vm = VM_Create(NULL, NULL, file, Plug_SystemCallsVM);
if (!newplug->vm && (type & PLUG_NATIVE))
{
unsigned int u;
for (u = 0; staticplugins[u].name; u++)
{
if (!Q_strcasecmp(file, staticplugins[u].name))
newplug->vm = VM_CreateBuiltin(file, Plug_SystemCallsNative, staticplugins[u].initfunction);
break;
}
}
currentplug = newplug;
if (newplug->vm)
{
Con_DPrintf("Created plugin %s\n", file);
newplug->next = plugs;
plugs = newplug;
if (!VM_Call(newplug->vm, 0, Plug_FindBuiltin(true, "Plug_GetEngineFunction")))
{
Plug_Close(newplug);
return NULL;
}
#ifndef SERVERONLY
if (newplug->reschange)
VM_Call(newplug->vm, newplug->reschange, vid.width, vid.height);
#endif
}
else
{
Z_Free(newplug);
newplug = NULL;
}
currentplug = NULL;
return newplug;
}
static int QDECL Plug_Emumerated (const char *name, qofs_t size, time_t mtime, void *param, searchpathfuncs_t *spath)
{
char vmname[MAX_QPATH];
Q_strncpyz(vmname, name, sizeof(vmname));
vmname[strlen(vmname) - strlen(param)] = '\0';
if (!Plug_Load(vmname, PLUG_QVM))
Con_Printf("Couldn't load plugin %s\n", vmname);
return true;
}
static int QDECL Plug_EnumeratedRoot (const char *name, qofs_t size, time_t mtime, void *param, searchpathfuncs_t *spath)
{
char vmname[MAX_QPATH];
int len;
char *dot;
if (!strncmp(name, "fteplug_", 8))
name += 8;
Q_strncpyz(vmname, name, sizeof(vmname));
len = strlen(vmname);
len -= strlen(ARCH_CPU_POSTFIX ARCH_DL_POSTFIX);
if (!strcmp(vmname+len, ARCH_CPU_POSTFIX ARCH_DL_POSTFIX))
vmname[len] = 0;
else
{
dot = strchr(vmname, '.');
if (dot)
*dot = 0;
}
len = strlen(vmname);
if (len > 0 && vmname[len-1] == '_')
vmname[len-1] = 0;
if (!Plug_Load(vmname, PLUG_NATIVE))
Con_Printf("Couldn't load plugin %s\n", vmname);
return true;
}
static qintptr_t VARGS Plug_Con_Print(void *offset, quintptr_t mask, const qintptr_t *arg)
{
// if (qrenderer == QR_NONE)
// return false;
Con_Printf("%s", (char*)VM_POINTER(arg[0]));
return 0;
}
static qintptr_t VARGS Plug_Sys_Error(void *offset, quintptr_t mask, const qintptr_t *arg)
{
Sys_Error("%s", (char*)offset+arg[0]);
return 0;
}
static qintptr_t VARGS Plug_Sys_Milliseconds(void *offset, quintptr_t mask, const qintptr_t *arg)
{
return Sys_DoubleTime()*1000;
}
static qintptr_t VARGS Plug_Sys_LoadLibrary(void *offset, quintptr_t mask, const qintptr_t *arg)
{
if (offset)
return 0;
return (qintptr_t)Sys_LoadLibrary(VM_POINTER(arg[0]), VM_POINTER(arg[1]));
}
static qintptr_t VARGS Plug_Sys_CloseLibrary(void *offset, quintptr_t mask, const qintptr_t *arg)
{
if (offset)
return 0;
Sys_CloseLibrary(VM_POINTER(arg[0]));
return 1;
}
#ifdef MULTITHREAD
#ifdef Sys_CreateMutex
#undef Sys_CreateMutex
#endif
static qintptr_t VARGS Plug_Sys_GetThreadingFuncs(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int threadingsize = VM_LONG(arg[0]);
static threading_t funcs =
{
Sys_CreateMutex,
Sys_LockMutex,
Sys_UnlockMutex,
Sys_DestroyMutex
};
if (offset)
return 0;
if (threadingsize != sizeof(threading_t))
return 0;
return (qintptr_t)&funcs;
}
#endif
static qintptr_t VARGS Plug_PR_GetVMInstance(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int vmid = VM_LONG(arg[0]);
struct pubprogfuncs_s *pr = NULL;
if (offset)
return 0;
switch(vmid)
{
#ifndef CLIENTONLY
case 0:
pr = sv.world.progs;
break;
#endif
#if defined(CSQC_DAT) && !defined(SERVERONLY)
case 1:
{
extern world_t csqc_world;
pr = csqc_world.progs;
}
break;
#endif
#if defined(MENU_DAT) && !defined(SERVERONLY)
case 2:
{
extern world_t menu_world;
pr = menu_world.progs;
}
break;
#endif
default:
pr = NULL; //unknown vmid / not present in this build.
break;
}
return (qintptr_t)pr;
}
static qintptr_t VARGS Plug_ExportToEngine(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *name = (char*)VM_POINTER(arg[0]);
quintptr_t functionid = arg[1];
if (!strcmp(name, "Tick")) //void(int realtime)
currentplug->tick = functionid;
else if (!strcmp(name, "ExecuteCommand")) //bool(isinsecure)
currentplug->executestring = functionid;
else if (!strcmp(name, "Shutdown")) //void()
currentplug->shutdown = functionid;
#ifndef SERVERONLY
else if (!strcmp(name, "ConsoleLink"))
currentplug->consolelink = functionid;
else if (!strcmp(name, "ConsoleLinkMouseOver"))
currentplug->consolelinkmouseover = functionid;
else if (!strcmp(name, "ConExecuteCommand"))
currentplug->conexecutecommand = functionid;
else if (!strcmp(name, "MenuEvent"))
currentplug->menufunction = functionid;
else if (!strcmp(name, "UpdateVideo"))
currentplug->reschange = functionid;
else if (!strcmp(name, "SbarBase")) //basic SBAR.
currentplug->sbarlevel[0] = functionid;
else if (!strcmp(name, "SbarSupplement")) //supplementry stuff - teamplay
currentplug->sbarlevel[1] = functionid;
else if (!strcmp(name, "SbarOverlay")) //overlay - scoreboard type stuff.
currentplug->sbarlevel[2] = functionid;
else if (!strcmp(name, "ConnectionlessClientPacket"))
currentplug->connectionlessclientpacket = functionid;
else if (!strcmp(name, "ServerMessageEvent"))
currentplug->svmsgfunction = functionid;
else if (!strcmp(name, "ChatMessageEvent"))
currentplug->chatmsgfunction = functionid;
else if (!strcmp(name, "CenterPrintMessage"))
currentplug->centerprintfunction = functionid;
#endif
else
return 0;
return 1;
}
//retrieve a plugin's name
static qintptr_t VARGS Plug_GetPluginName(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int plugnum = VM_LONG(arg[0]);
plugin_t *plug;
//int plugnum (0 for current), char *buffer, int bufferlen
if (VM_OOB(arg[1], arg[2]))
return false;
if (plugnum <= 0)
{
if (!currentplug)
return false;
else if (plugnum == -1 && currentplug->vm) //plugin file name
Q_strncpyz(VM_POINTER(arg[1]), VM_GetFilename(currentplug->vm), VM_LONG(arg[2]));
else //plugin name
Q_strncpyz(VM_POINTER(arg[1]), currentplug->name, VM_LONG(arg[2]));
return true;
}
for (plug = plugs; plug; plug = plug->next)
{
if (--plugnum == 0)
{
Q_strncpyz(VM_POINTER(arg[1]), plug->name, VM_LONG(arg[2]));
return true;
}
}
return false;
}
static qintptr_t VARGS Plug_ExportNative(void *offset, quintptr_t mask, const qintptr_t *arg)
{
void *func;
char *name = (char*)VM_POINTER(arg[0]);
if (offset) //QVMs are not allowed to call this
return 0;
arg++;
func = ((void**)arg)[0];
if (!strcmp(name, "UnsafeClose"))
{
//not used by the engine, but stops the user from being able to unload the plugin.
//this is useful for certain things, like if the plugin uses some external networking or direct disk access or whatever.
currentplug->blockcloses++;
}
else if (!strncmp(name, "FS_RegisterArchiveType_", 23)) //module as in pak/pk3
{
FS_RegisterFileSystemType(currentplug, name+23, func, true);
}
/*
else if (!strncmp(name, "S_OutputDriver")) //a sound driver (takes higher priority over the built-in ones)
{
S_RegisterOutputDriver(name + 13, func);
currentplug->blockcloses++;
}
*/
/*
else if (!strncmp(name, "VID_DisplayDriver")) //a video driver, loaded by name as given by vid_renderer
{
FS_RegisterModuleDriver(, func);
currentplug->blockcloses++;
}
*/
#if defined(PLUGINS) && !defined(SERVERONLY)
#ifdef HAVE_MEDIA_DECODER
else if (!strcmp(name, "Media_VideoDecoder"))
{
Media_RegisterDecoder(currentplug, func);
// currentplug->blockcloses++;
}
#endif
#ifdef HAVE_MEDIA_ENCODER
else if (!strcmp(name, "Media_VideoEncoder"))
{
Media_RegisterEncoder(currentplug, func);
// currentplug->blockcloses++;
}
#endif
#endif
#ifndef SERVERONLY
else if (!strcmp(name, "S_LoadSound")) //a hook for loading extra types of sound (wav, mp3, ogg, midi, whatever you choose to support)
{
S_RegisterSoundInputPlugin((void*)func);
currentplug->blockcloses++;
}
#endif
else
return 0;
return 1;
}
static qintptr_t VARGS Plug_Cvar_GetNVFDG(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *name = VM_POINTER(arg[0]);
char *defaultvalue = VM_POINTER(arg[1]);
unsigned int flags = VM_LONG(arg[2]);
char *description = VM_POINTER(arg[3]);
char *groupname = VM_POINTER(arg[4]);
if (!defaultvalue)
return (qintptr_t)Cvar_FindVar(name);
return (qintptr_t)Cvar_Get2(name, defaultvalue, flags&1, description, groupname);
}
typedef struct {
//Make SURE that the engine has resolved all cvar pointers into globals before this happens.
plugin_t *plugin;
cvar_t *var;
} plugincvararray_t;
int plugincvararraylen;
plugincvararray_t *plugincvararray;
//qhandle_t Cvar_Register (char *name, char *defaultval, int flags, char *grouphint);
static qintptr_t VARGS Plug_Cvar_Register(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *name = VM_POINTER(arg[0]);
char *defaultvalue = VM_POINTER(arg[1]);
unsigned int flags = VM_LONG(arg[2]);
char *groupname = VM_POINTER(arg[3]);
cvar_t *var;
int i;
var = Cvar_Get(name, defaultvalue, flags&1, groupname);
for (i = 0; i < plugincvararraylen; i++)
{
if (!plugincvararray[i].var)
{ //hmm... a gap...
plugincvararray[i].plugin = currentplug;
plugincvararray[i].var = var;
return i;
}
}
i = plugincvararraylen;
plugincvararraylen++;
plugincvararray = BZ_Realloc(plugincvararray, (plugincvararraylen)*sizeof(plugincvararray_t));
plugincvararray[i].plugin = currentplug;
plugincvararray[i].var = var;
return i;
}
//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.
static qintptr_t VARGS Plug_Cvar_Update(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int handle;
// int modcount;
char *stringv; //255 bytes long.
float *floatv;
cvar_t *var;
handle = VM_LONG(arg[0]);
if (handle < 0 || handle >= plugincvararraylen)
return 0;
if (plugincvararray[handle].plugin != currentplug)
return 0; //I'm not letting you know what annother plugin has registered.
if (VM_OOB(arg[2], 256) || VM_OOB(arg[3], 4)) //Oi, plugin - you screwed up
return 0;
//modcount = VM_LONG(arg[1]); //for future optimisation
stringv = VM_POINTER(arg[2]);
floatv = VM_POINTER(arg[3]);
var = plugincvararray[handle].var;
//if (var->modified != modcount) //for future optimisation
{
strcpy(stringv, var->string);
*floatv = var->value;
}
return var->modified;
}
//void Cmd_Args(char *buffer, int buffersize)
static qintptr_t VARGS Plug_Cmd_Args(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *buffer = (char*)VM_POINTER(arg[0]);
size_t maxsize = VM_LONG(arg[1]);
char *args;
args = Cmd_Args();
if (VM_OOB(arg[0], arg[1]))
return false;
if (strlen(args)+1>maxsize)
{
if (maxsize)
*buffer = 0;
return 0;
}
strcpy(buffer, args);
return 1;
}
//void Cmd_Argv(int num, char *buffer, int buffersize)
static qintptr_t VARGS Plug_Cmd_Argv(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *buffer = (char*)VM_POINTER(arg[1]);
size_t maxsize = VM_LONG(arg[2]);
char *args;
args = Cmd_Argv(arg[0]);
if (VM_OOB(arg[1], arg[2]))
return false;
if (strlen(args)+1>maxsize)
{
if (maxsize)
*buffer = 0;
return 0;
}
strcpy(buffer, args);
return 1;
}
//int Cmd_Argc(void)
static qintptr_t VARGS Plug_Cmd_Argc(void *offset, quintptr_t mask, const qintptr_t *arg)
{
return Cmd_Argc();
}
//void Cvar_SetString (char *name, char *value);
static qintptr_t VARGS Plug_Cvar_SetString(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *name = VM_POINTER(arg[0]),
*value = VM_POINTER(arg[1]);
cvar_t *var = Cvar_Get(name, value, 0, "Plugin vars");
if (var)
{
Cvar_Set(var, value);
return 1;
}
return 0;
}
//void Cvar_SetFloat (char *name, float value);
static qintptr_t VARGS Plug_Cvar_SetFloat(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *name = VM_POINTER(arg[0]);
float value = VM_FLOAT(arg[1]);
cvar_t *var = Cvar_Get(name, "", 0, "Plugin vars"); //"" because I'm lazy
if (var)
{
Cvar_SetValue(var, value);
return 1;
}
return 0;
}
//void Cvar_GetFloat (char *name);
static qintptr_t VARGS Plug_Cvar_GetFloat(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *name = VM_POINTER(arg[0]);
int ret;
cvar_t *var;
#ifndef CLIENTONLY
if (!strcmp(name, "sv.state"))
VM_FLOAT(ret) = sv.state;
else
#endif
{
var = Cvar_Get(name, "", 0, "Plugin vars");
if (var)
{
VM_FLOAT(ret) = var->value;
}
else
VM_FLOAT(ret) = 0;
}
return ret;
}
//qboolean Cvar_GetString (char *name, char *retstring, int sizeofretstring);
static qintptr_t VARGS Plug_Cvar_GetString(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *name, *ret;
int retsize;
cvar_t *var;
if (VM_OOB(arg[1], arg[2]))
{
return false;
}
name = VM_POINTER(arg[0]);
ret = VM_POINTER(arg[1]);
retsize = VM_LONG(arg[2]);
if (!strcmp(name, "sv.mapname"))
{
#ifdef CLIENTONLY
Q_strncpyz(ret, "", retsize);
#else
Q_strncpyz(ret, svs.name, retsize);
#endif
}
else
{
var = Cvar_Get(name, "", 0, "Plugin vars");
if (strlen(var->name)+1 > retsize)
return false;
strcpy(ret, var->string);
}
return true;
}
//void Cmd_AddText (char *text, qboolean insert); //abort the entire engine.
static qintptr_t VARGS Plug_Cmd_AddText(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int level = offset?RESTRICT_INSECURE:RESTRICT_LOCAL;
if (VM_LONG(arg[1]))
Cbuf_InsertText(VM_POINTER(arg[0]), level, false);
else
Cbuf_AddText(VM_POINTER(arg[0]), level);
return 1;
}
int plugincommandarraylen;
typedef struct {
plugin_t *plugin;
char command[64];
} plugincommand_t;
plugincommand_t *plugincommandarray;
void Plug_Command_f(void)
{
int i;
char *cmd = Cmd_Argv(0);
plugin_t *oldplug = currentplug;
for (i = 0; i < plugincommandarraylen; i++)
{
if (!plugincommandarray[i].plugin)
continue; //don't check commands who's owners died.
if (stricmp(plugincommandarray[i].command, cmd)) //not the right command
continue;
currentplug = plugincommandarray[i].plugin;
if (currentplug->executestring)
VM_Call(currentplug->vm, currentplug->executestring, Cmd_IsInsecure(), 0, 0, 0);
break;
}
currentplug = oldplug;
}
static qintptr_t VARGS Plug_Cmd_AddCommand(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int i;
char *name = VM_POINTER(arg[0]);
for (i = 0; i < plugincommandarraylen; i++)
{
if (!plugincommandarray[i].plugin)
break;
if (plugincommandarray[i].plugin == currentplug)
{
if (!strcmp(name, plugincommandarray[i].command))
return true; //already registered
}
}
if (i == plugincommandarraylen)
{
plugincommandarraylen++;
plugincommandarray = BZ_Realloc(plugincommandarray, plugincommandarraylen*sizeof(plugincommand_t));
}
Q_strncpyz(plugincommandarray[i].command, name, sizeof(plugincommandarray[i].command));
if (!Cmd_AddCommand(plugincommandarray[i].command, Plug_Command_f))
return false;
plugincommandarray[i].plugin = currentplug; //worked
return true;
}
static void VARGS Plug_FreeConCommands(plugin_t *plug)
{
int i;
for (i = 0; i < plugincommandarraylen; i++)
{
if (plugincommandarray[i].plugin == plug)
{
plugincommandarray[i].plugin = NULL;
Cmd_RemoveCommand(plugincommandarray[i].command);
}
}
}
typedef enum{
STREAM_NONE,
STREAM_SOCKET,
STREAM_VFS,
STREAM_WEB,
} plugstream_e;
typedef struct {
plugin_t *plugin;
plugstream_e type;
int socket;
vfsfile_t *vfs;
struct dl_download *dl;
struct {
char filename[MAX_QPATH];
// qbyte *buffer;
// int buflen;
// int curlen;
// int curpos;
} file;
} pluginstream_t;
pluginstream_t *pluginstreamarray;
unsigned int pluginstreamarraylen;
static int Plug_NewStreamHandle(plugstream_e type)
{
int i;
for (i = 0; i < pluginstreamarraylen; i++)
{
if (!pluginstreamarray[i].plugin)
break;
}
if (i >= pluginstreamarraylen)
{
pluginstreamarraylen=i+16;
pluginstreamarray = BZ_Realloc(pluginstreamarray, pluginstreamarraylen*sizeof(pluginstream_t));
}
memset(&pluginstreamarray[i], 0, sizeof(pluginstream_t));
pluginstreamarray[i].plugin = currentplug;
pluginstreamarray[i].type = type;
pluginstreamarray[i].socket = -1;
*pluginstreamarray[i].file.filename = '\0';
return i;
}
#ifdef HAVE_PACKET
//EBUILTIN(int, NET_TCPListen, (char *ip, int port, int maxcount));
//returns a new socket with listen enabled.
static qintptr_t VARGS Plug_Net_TCPListen(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int handle;
int sock;
struct sockaddr_qstorage address;
int _true = 1;
int alen;
char *localip = VM_POINTER(arg[0]);
unsigned short localport = VM_LONG(arg[1]);
int maxcount = VM_LONG(arg[2]);
netadr_t a;
if (!currentplug)
return -3; //streams depend upon current plugin context. which isn't valid in a thread.
if (!localip)
localip = "tcp://0.0.0.0"; //pass "[::]" for ipv6
if (!NET_StringToAdr(localip, localport, &a))
return -1;
if (a.prot != NP_STREAM && a.prot != NP_DGRAM)
return -1;
alen = NetadrToSockadr(&a, &address);
if ((sock = socket(((struct sockaddr*)&address)->sa_family, SOCK_STREAM, 0)) == -1)
{
Con_Printf("Failed to create socket\n");
return -2;
}
if (ioctlsocket (sock, FIONBIO, (u_long *)&_true) == -1)
{
closesocket(sock);
return -2;
}
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (const char *)&_true, sizeof(_true));
if (bind (sock, (void *)&address, alen) == -1)
{
closesocket(sock);
return -2;
}
if (listen (sock, maxcount) == -1)
{
closesocket(sock);
return -2;
}
handle = Plug_NewStreamHandle(STREAM_SOCKET);
pluginstreamarray[handle].socket = sock;
return handle;
}
static qintptr_t VARGS Plug_Net_Accept(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int handle = VM_LONG(arg[0]);
struct sockaddr_in address;
int addrlen;
int sock;
int _true = 1;
char adr[MAX_ADR_SIZE];
if (!currentplug || handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug || pluginstreamarray[handle].type != STREAM_SOCKET)
return -2;
sock = pluginstreamarray[handle].socket;
if (sock < 0)
return -1;
addrlen = sizeof(address);
sock = accept(sock, (struct sockaddr *)&address, &addrlen);
if (sock < 0)
return -1;
if (ioctlsocket (sock, FIONBIO, (u_long *)&_true) == -1) //now make it non blocking.
{
closesocket(sock);
return -1;
}
if (arg[2] && !VM_OOB(arg[1], arg[2]))
{
netadr_t a;
char *s;
SockadrToNetadr((struct sockaddr_qstorage *)&address, addrlen, &a);
s = NET_AdrToString(adr, sizeof(adr), &a);
Q_strncpyz(VM_POINTER(arg[1]), s, addrlen);
}
handle = Plug_NewStreamHandle(STREAM_SOCKET);
pluginstreamarray[handle].socket = sock;
return handle;
}
//EBUILTIN(int, NET_TCPConnect, (char *ip, int port));
static qintptr_t VARGS Plug_Net_TCPConnect(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *remoteip = VM_POINTER(arg[0]);
unsigned short remoteport = VM_LONG(arg[1]);
int handle;
vfsfile_t *stream = FS_OpenTCP(remoteip, remoteport);
if (!currentplug || !stream)
return -1;
handle = Plug_NewStreamHandle(STREAM_VFS);
pluginstreamarray[handle].vfs = stream;
return handle;
}
void Plug_Net_Close_Internal(int handle);
#ifdef HAVE_SSL
static qintptr_t VARGS Plug_Net_SetTLSClient(void *offset, quintptr_t mask, const qintptr_t *arg)
{
pluginstream_t *stream;
unsigned int handle = VM_LONG(arg[0]);
if (handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug)
{
Con_Printf("Plug_Net_SetTLSClient: socket does not belong to you (or is invalid)\n");
return -2;
}
stream = &pluginstreamarray[handle];
if (stream->type != STREAM_VFS)
{ //not a socket - invalid
Con_Printf("Plug_Net_SetTLSClient: Not a socket handle\n");
return -2;
}
stream->vfs = FS_OpenSSL(VM_POINTER(arg[1]), stream->vfs, false);
if (!stream->vfs)
{
Plug_Net_Close_Internal(handle);
return -1;
}
return 0;
}
static qintptr_t VARGS Plug_Net_GetTLSBinding(void *offset, quintptr_t mask, const qintptr_t *arg)
{
pluginstream_t *stream;
unsigned int handle = VM_LONG(arg[0]);
qbyte *binddata = VM_POINTER(arg[1]);
unsigned int *bindsize = VM_POINTER(arg[2]);
size_t sz;
int r;
if (VM_OOB(arg[2], sizeof(int)))
return -2;
if (VM_OOB(arg[1], *bindsize))
return -2;
if ((size_t)handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug)
{
Con_Printf("Plug_Net_GetTLSBinding: socket does not belong to you (or is invalid)\n");
return -2;
}
stream = &pluginstreamarray[handle];
if (stream->type != STREAM_VFS)
{ //not a socket - invalid
Con_Printf("Plug_Net_GetTLSBinding: Not a socket handle\n");
return -2;
}
sz = *bindsize;
r = TLS_GetChannelBinding(stream->vfs, binddata, &sz);
*bindsize = sz;
return r;
}
#endif
#endif
static qintptr_t VARGS Plug_VFS_Open(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *fname = VM_POINTER(arg[0]);
vfsfile_t **handle = VM_POINTER(arg[1]);
char *mode = VM_POINTER(arg[2]);
*handle = offset?NULL:FS_OpenVFS(fname, mode, FS_GAME);
if (*handle)
return true;
return false;
}
static qintptr_t VARGS Plug_FS_NativePath(void *offset, quintptr_t mask, const qintptr_t *arg)
{
const char *fname = VM_POINTER(arg[0]);
enum fs_relative relativeto = VM_LONG(arg[1]);
char *out = VM_POINTER(arg[2]);
size_t outlen = VM_LONG(arg[3]);
return offset?false:FS_NativePath(fname, relativeto, out, outlen);
}
#ifdef WEBCLIENT
static void Plug_DownloadComplete(struct dl_download *dl)
{
int handle = dl->user_num;
dl->file = NULL;
pluginstreamarray[handle].dl = NULL; //download no longer needs to be canceled.
pluginstreamarray[handle].type = STREAM_VFS; //getlen should start working now.
}
#endif
static qintptr_t VARGS Plug_Con_POpen(void *offset, quintptr_t mask, const qintptr_t *arg)
{
char *conname = VM_POINTER(arg[0]);
int handle;
if (!currentplug)
return -3; //streams depend upon current plugin context. which isn't valid in a thread.
handle = Plug_NewStreamHandle(STREAM_VFS);
pluginstreamarray[handle].vfs = Con_POpen(conname);
return handle;
}
static qintptr_t VARGS Plug_FS_Open(void *offset, quintptr_t mask, const qintptr_t *arg)
{
//modes:
//1: read
//2: write
//char *name, int *handle, int mode
//return value is length of the file.
int handle;
int *ret;
//char *data;
char *mode;
vfsfile_t *f;
char *fname = VM_POINTER(arg[0]);
if (VM_OOB(arg[1], sizeof(int)))
return -2;
ret = VM_POINTER(arg[1]);
*ret = -1;
if (!currentplug)
return -3; //streams depend upon current plugin context. which isn't valid in a thread.
switch(arg[2])
{
case 1:
mode = "rb";
break;
case 2:
mode = "wb";
break;
default:
return -2;
}
if (!strcmp(fname, "**plugconfig"))
f = FS_OpenVFS(va("%s.cfg", currentplug->name), mode, FS_ROOT);
else if (!strncmp(fname, "http://", 7) || !strncmp(fname, "https://", 8))
{
#ifndef WEBCLIENT
f = NULL;
#else
handle = Plug_NewStreamHandle(STREAM_WEB);
pluginstreamarray[handle].dl = HTTP_CL_Get(fname, NULL, Plug_DownloadComplete);
pluginstreamarray[handle].dl->user_num = handle;
pluginstreamarray[handle].dl->file = pluginstreamarray[handle].vfs = VFSPIPE_Open(2, true);
pluginstreamarray[handle].dl->isquery = true;
#ifdef MULTITHREAD
DL_CreateThread(pluginstreamarray[handle].dl, NULL, NULL);
#endif
*ret = handle;
return VFS_GETLEN(pluginstreamarray[handle].vfs);
#endif
}
else if (arg[2] == 2)
f = FS_OpenVFS(fname, mode, FS_GAMEONLY);
else
f = FS_OpenVFS(fname, mode, FS_GAME);
if (!f)
return -1;
handle = Plug_NewStreamHandle(STREAM_VFS);
pluginstreamarray[handle].vfs = f;
Q_strncpyz(pluginstreamarray[handle].file.filename, fname, sizeof(pluginstreamarray[handle].file.filename));
*ret = handle;
return VFS_GETLEN(pluginstreamarray[handle].vfs);
}
static qintptr_t VARGS Plug_FS_Seek(void *offset, quintptr_t mask, const qintptr_t *arg)
{
unsigned int handle = VM_LONG(arg[0]);
unsigned int low = VM_LONG(arg[1]), high = VM_LONG(arg[2]);
pluginstream_t *stream;
if (handle >= pluginstreamarraylen)
return -1;
stream = &pluginstreamarray[handle];
if (stream->type != STREAM_VFS)
return -1;
VFS_SEEK(stream->vfs, low | ((quint64_t)high<<32));
return VFS_TELL(stream->vfs);
}
static qintptr_t VARGS Plug_FS_GetLength(void *offset, quintptr_t mask, const qintptr_t *arg)
{
unsigned int handle = VM_LONG(arg[0]);
unsigned int *low = VM_POINTER(arg[1]), *high = VM_POINTER(arg[2]);
pluginstream_t *stream;
qofs_t size;
if (handle >= pluginstreamarraylen)
return false;
if (VM_OOB(arg[1], sizeof(*low)))
return false;
if (VM_OOB(arg[2], sizeof(*high)))
return false;
stream = &pluginstreamarray[handle];
if (stream->type == STREAM_VFS)
if (stream->vfs->GetLen)
{
size = VFS_GETLEN(stream->vfs);
if (low)
*low = qofs_Low(size);
if (high)
*high = qofs_High(size);
return true;
}
if (low)
*low = 0;
if (high)
*high = 0;
return false;
}
static qintptr_t VARGS Plug_memset(void *offset, quintptr_t mask, const qintptr_t *arg)
{
void *p = VM_POINTER(arg[0]);
if (VM_OOB(arg[0], arg[2]))
return false;
if (p)
memset(p, VM_LONG(arg[1]), VM_LONG(arg[2]));
return arg[0];
}
static qintptr_t VARGS Plug_memcpy(void *offset, quintptr_t mask, const qintptr_t *arg)
{
void *p1 = VM_POINTER(arg[0]);
void *p2 = VM_POINTER(arg[1]);
if (VM_OOB(arg[0], arg[2]))
return false;
if (VM_OOB(arg[1], arg[2]))
return false;
if (p1 && p2)
memcpy(p1, p2, VM_LONG(arg[2]));
return arg[0];
}
static qintptr_t VARGS Plug_memmove(void *offset, quintptr_t mask, const qintptr_t *arg)
{
void *p1 = VM_POINTER(arg[0]);
void *p2 = VM_POINTER(arg[1]);
if (VM_OOB(arg[0], arg[2]))
return false;
if (VM_OOB(arg[1], arg[2]))
return false;
if (p1 && p2)
memmove(p1, p2, VM_LONG(arg[2]));
return arg[0];
}
static qintptr_t VARGS Plug_sqrt(void *offset, quintptr_t mask, const qintptr_t *arg)
{
union {
qintptr_t i;
float f;
} ret = {0};
ret.f = sqrt(VM_FLOAT(arg[0]));
return ret.i;
}
static qintptr_t VARGS Plug_sin(void *offset, quintptr_t mask, const qintptr_t *arg)
{
union {
qintptr_t i;
float f;
} ret = {0};
ret.f = sin(VM_FLOAT(arg[0]));
return ret.i;
}
static qintptr_t VARGS Plug_cos(void *offset, quintptr_t mask, const qintptr_t *arg)
{
union {
qintptr_t i;
float f;
} ret = {0};
ret.f = cos(VM_FLOAT(arg[0]));
return ret.i;
}
static qintptr_t VARGS Plug_atan2(void *offset, quintptr_t mask, const qintptr_t *arg)
{
union {
qintptr_t i;
float f;
} ret = {0};
ret.f = atan2(VM_FLOAT(arg[0]), VM_FLOAT(arg[1]));
return ret.i;
}
void Plug_Net_Close_Internal(int handle)
{
switch(pluginstreamarray[handle].type)
{
case STREAM_NONE:
break;
case STREAM_WEB:
#ifdef WEBCLIENT
if (pluginstreamarray[handle].dl)
{
pluginstreamarray[handle].dl->file = NULL;
DL_Close(pluginstreamarray[handle].dl);
}
#endif
//fall through
case STREAM_VFS:
if (pluginstreamarray[handle].vfs)
{
if (*pluginstreamarray[handle].file.filename && pluginstreamarray[handle].vfs->WriteBytes)
{
VFS_CLOSE(pluginstreamarray[handle].vfs);
FS_FlushFSHashWritten(pluginstreamarray[handle].file.filename);
}
else
VFS_CLOSE(pluginstreamarray[handle].vfs);
}
pluginstreamarray[handle].vfs = NULL;
break;
case STREAM_SOCKET:
#ifdef HAVE_PACKET
closesocket(pluginstreamarray[handle].socket);
#endif
break;
}
pluginstreamarray[handle].type = STREAM_NONE;
pluginstreamarray[handle].plugin = NULL;
}
static qintptr_t VARGS Plug_Net_Recv(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int read;
int handle = VM_LONG(arg[0]);
void *dest = VM_POINTER(arg[1]);
int destlen = VM_LONG(arg[2]);
if (VM_OOB(arg[1], arg[2]))
return -2;
if (handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug)
return -2;
switch(pluginstreamarray[handle].type)
{
#ifdef HAVE_PACKET
case STREAM_SOCKET:
read = recv(pluginstreamarray[handle].socket, dest, destlen, 0);
if (read < 0)
{
if (neterrno() == NET_EWOULDBLOCK)
return -1;
else
return -2;
}
else if (read == 0)
return -2; //closed by remote connection.
return read;
#endif
case STREAM_WEB:
case STREAM_VFS:
return VFS_READ(pluginstreamarray[handle].vfs, dest, destlen);
default:
return -2;
}
}
static qintptr_t VARGS Plug_Net_Send(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int written;
int handle = VM_LONG(arg[0]);
void *src = VM_POINTER(arg[1]);
int srclen = VM_LONG(arg[2]);
if (handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug)
return -2;
switch(pluginstreamarray[handle].type)
{
#ifdef HAVE_PACKET
case STREAM_SOCKET:
written = send(pluginstreamarray[handle].socket, src, srclen, 0);
if (written < 0)
{
if (neterrno() == NET_EWOULDBLOCK)
return -1;
else
return -2;
}
else if (written == 0)
return -2; //closed by remote connection.
return written;
#endif
case STREAM_VFS:
return VFS_WRITE(pluginstreamarray[handle].vfs, src, srclen);
default:
return -2;
}
}
static qintptr_t VARGS Plug_Net_SendTo(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int written;
int handle = VM_LONG(arg[0]);
void *src = VM_POINTER(arg[1]);
int srclen = VM_LONG(arg[2]);
netadr_t *address = VM_POINTER(arg[3]);
struct sockaddr_qstorage sockaddr;
if (handle == -1)
{
#ifdef HAVE_CLIENT
NET_SendPacket(cls.sockets, srclen, src, address);
return srclen;
#else
return -2;
#endif
}
NetadrToSockadr(address, &sockaddr);
if (handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug)
return -2;
switch(pluginstreamarray[handle].type)
{
#ifdef HAVE_PACKET
case STREAM_SOCKET:
written = sendto(pluginstreamarray[handle].socket, src, srclen, 0, (struct sockaddr*)&sockaddr, sizeof(sockaddr));
if (written < 0)
{
if (neterrno() == NET_EWOULDBLOCK)
return -1;
else
return -2;
}
else if (written == 0)
return -2; //closed by remote connection.
return written;
#endif
default:
return -2;
}
}
static qintptr_t VARGS Plug_Net_Close(void *offset, quintptr_t mask, const qintptr_t *arg)
{
int handle = VM_LONG(arg[0]);
if (handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug)
return -2;
Plug_Net_Close_Internal(handle);
return 0;
}
static qintptr_t VARGS Plug_ReadInputBuffer(void *offset, quintptr_t mask, const qintptr_t *arg)
{
void *buffer = VM_POINTER(arg[0]);
int bufferlen = VM_LONG(arg[1]);
if (bufferlen > currentplug->inputbytes)
bufferlen = currentplug->inputbytes;
memcpy(buffer, currentplug->inputptr, currentplug->inputbytes);
return bufferlen;
}
static qintptr_t VARGS Plug_UpdateInputBuffer(void *offset, quintptr_t mask, const qintptr_t *arg)
{
void *buffer = VM_POINTER(arg[0]);
int bufferlen = VM_LONG(arg[1]);
if (bufferlen > currentplug->inputbytes)
bufferlen = currentplug->inputbytes;
memcpy(currentplug->inputptr, buffer, currentplug->inputbytes);
return bufferlen;
}
#ifdef USERBE
#include "pr_common.h"
//functions useful for rigid body engines.
static qintptr_t VARGS Plug_RBE_GetPluginFuncs(void *offset, quintptr_t mask, const qintptr_t *arg)
{
static rbeplugfuncs_t funcs =
{
RBEPLUGFUNCS_VERSION,
World_RegisterPhysicsEngine,
World_UnregisterPhysicsEngine,
World_GenerateCollisionMesh,
World_ReleaseCollisionMesh,
World_LinkEdict,
VectorAngles,
AngleVectors
};
if (VM_LONG(arg[0]) >= sizeof(funcs))
return (qintptr_t)&funcs;
else
return 0;
}
#endif
void Plug_CloseAll_f(void);
void Plug_List_f(void);
void Plug_Close_f(void);
static void Plug_Load_f(void)
{
char *plugin;
plugin = Cmd_Argv(1);
if (!*plugin)
{
Con_Printf("Loads a plugin\n");
Con_Printf("plug_load [pluginpath]\n");
Con_Printf("example pluginpath: blah\n");
Con_Printf("will load fteplug_blah"ARCH_CPU_POSTFIX ARCH_DL_POSTFIX" or $gamedir/plugins/blah.qvm\n");
return;
}
if (!Plug_Load(plugin, PLUG_EITHER))
{
if (!Plug_Load(va("plugins/%s", plugin), PLUG_QVM))
Con_Printf("Couldn't load plugin %s\n", Cmd_Argv(1));
}
}
/*
static qintptr_t Test_SysCalls_Ex(void *offset, quintptr_t mask, int fn, qintptr_t *arg)
{
switch(fn)
{
case 1:
Con_Printf("%s", VM_POINTER(arg[0]));
break;
default:
Con_Printf("Can't handle %i\n", fn);
}
return 0;
}
static int EXPORT_FN Test_SysCalls(int arg, ...)
{
return 0;
}
void VM_Test_f(void)
{
vm_t *vm;
vm = VM_Create(NULL, "vm/test", com_nogamedirnativecode.ival?NULL:Test_SysCalls, Test_SysCalls_Ex);
if (vm)
{
VM_Call(vm, 0, "");
VM_Destroy(vm);
}
}*/
static void Plug_LoadDownloaded(const char *fname)
{
Plug_Load(fname, PLUG_NATIVE);
}
void Plug_Initialise(qboolean fromgamedir)
{
char nat[MAX_OSPATH];
if (!numplugbuiltins)
{
Cvar_Register(&plug_sbar, "plugins");
Cvar_Register(&plug_loaddefault, "plugins");
Cmd_AddCommand("plug_closeall", Plug_CloseAll_f);
Cmd_AddCommand("plug_close", Plug_Close_f);
Cmd_AddCommand("plug_load", Plug_Load_f);
Cmd_AddCommand("plug_list", Plug_List_f);
Plug_RegisterBuiltin("Plug_GetNativePointer", Plug_GetNativePointer, PLUG_BIF_DLLONLY);//plugin wishes to get a native interface.
Plug_RegisterBuiltin("Plug_GetEngineFunction", Plug_GetBuiltin, 0);//plugin wishes to find a builtin number.
Plug_RegisterBuiltin("Plug_ExportToEngine", Plug_ExportToEngine, 0); //plugin has a call back that we might be interested in.
Plug_RegisterBuiltin("Plug_ExportNative", Plug_ExportNative, PLUG_BIF_DLLONLY);
Plug_RegisterBuiltin("Plug_GetPluginName", Plug_GetPluginName, 0);
Plug_RegisterBuiltin("Con_Print", Plug_Con_Print, 0); //printf is not possible - qvm floats are never doubles, vararg floats in a cdecl call are always converted to doubles.
Plug_RegisterBuiltin("Con_POpen", Plug_Con_POpen, PLUG_BIF_DLLONLY);
Plug_RegisterBuiltin("Sys_Error", Plug_Sys_Error, 0);
Plug_RegisterBuiltin("Sys_Milliseconds", Plug_Sys_Milliseconds, 0);
Plug_RegisterBuiltin("Com_Error", Plug_Sys_Error, 0); //make zquake programmers happy.
Plug_RegisterBuiltin("Cmd_AddCommand", Plug_Cmd_AddCommand, 0);
Plug_RegisterBuiltin("Cmd_Args", Plug_Cmd_Args, 0);
Plug_RegisterBuiltin("Cmd_Argc", Plug_Cmd_Argc, 0);
Plug_RegisterBuiltin("Cmd_Argv", Plug_Cmd_Argv, 0);
Plug_RegisterBuiltin("Cmd_AddText", Plug_Cmd_AddText, 0);
Plug_RegisterBuiltin("Cvar_Register", Plug_Cvar_Register, 0);
Plug_RegisterBuiltin("Cvar_Update", Plug_Cvar_Update, 0);
Plug_RegisterBuiltin("Cvar_SetString", Plug_Cvar_SetString, 0);
Plug_RegisterBuiltin("Cvar_SetFloat", Plug_Cvar_SetFloat, 0);
Plug_RegisterBuiltin("Cvar_GetString", Plug_Cvar_GetString, 0);
Plug_RegisterBuiltin("Cvar_GetFloat", Plug_Cvar_GetFloat, 0);
Plug_RegisterBuiltin("Cvar_GetNVFDG", Plug_Cvar_GetNVFDG, PLUG_BIF_DLLONLY);
#ifdef HAVE_PACKET
Plug_RegisterBuiltin("Net_TCPListen", Plug_Net_TCPListen, 0);
Plug_RegisterBuiltin("Net_Accept", Plug_Net_Accept, 0);
Plug_RegisterBuiltin("Net_TCPConnect", Plug_Net_TCPConnect, 0);
#ifdef HAVE_SSL
Plug_RegisterBuiltin("Net_SetTLSClient", Plug_Net_SetTLSClient, 0);
Plug_RegisterBuiltin("Net_GetTLSBinding", Plug_Net_GetTLSBinding, 0);
#endif
Plug_RegisterBuiltin("Net_Recv", Plug_Net_Recv, 0);
Plug_RegisterBuiltin("Net_Send", Plug_Net_Send, 0);
Plug_RegisterBuiltin("Net_SendTo", Plug_Net_SendTo, 0);
Plug_RegisterBuiltin("Net_Close", Plug_Net_Close, 0);
#endif
Plug_RegisterBuiltin("VFS_Open", Plug_VFS_Open, PLUG_BIF_DLLONLY);
Plug_RegisterBuiltin("FS_NativePath", Plug_FS_NativePath, PLUG_BIF_DLLONLY);
Plug_RegisterBuiltin("FS_Open", Plug_FS_Open, 0);
Plug_RegisterBuiltin("FS_Read", Plug_Net_Recv, 0);
Plug_RegisterBuiltin("FS_Write", Plug_Net_Send, 0);
Plug_RegisterBuiltin("FS_Close", Plug_Net_Close, 0);
Plug_RegisterBuiltin("FS_Seek", Plug_FS_Seek, 0);
Plug_RegisterBuiltin("FS_GetLen", Plug_FS_GetLength, 0);
Plug_RegisterBuiltin("memset", Plug_memset, 0);
Plug_RegisterBuiltin("memcpy", Plug_memcpy, 0);
Plug_RegisterBuiltin("memmove", Plug_memmove, 0);
Plug_RegisterBuiltin("sqrt", Plug_sqrt, 0);
Plug_RegisterBuiltin("sin", Plug_sin, 0);
Plug_RegisterBuiltin("cos", Plug_cos, 0);
Plug_RegisterBuiltin("atan2", Plug_atan2, 0);
Plug_RegisterBuiltin("ReadInputBuffer", Plug_ReadInputBuffer, 0);
Plug_RegisterBuiltin("UpdateInputBuffer", Plug_UpdateInputBuffer, 0);
Plug_RegisterBuiltin("Sys_LoadLibrary", Plug_Sys_LoadLibrary, PLUG_BIF_DLLONLY);
Plug_RegisterBuiltin("Sys_CloseLibrary", Plug_Sys_CloseLibrary, PLUG_BIF_DLLONLY);
#ifdef USERBE
Plug_RegisterBuiltin("RBE_GetPluginFuncs", Plug_RBE_GetPluginFuncs, PLUG_BIF_DLLONLY);
#endif
#ifdef MULTITHREAD
Plug_RegisterBuiltin("Sys_GetThreadingFuncs", Plug_Sys_GetThreadingFuncs, PLUG_BIF_DLLONLY);
#endif
Plug_RegisterBuiltin("PR_GetVMInstance", Plug_PR_GetVMInstance, PLUG_BIF_DLLONLY);
Plug_Client_Init();
}
#ifdef SUBSERVERS
if (!SSV_IsSubServer()) //subservers will need plug_load I guess
#endif
if (plug_loaddefault.ival & 2)
{
if (!fromgamedir)
{
FS_NativePath("", FS_BINARYPATH, nat, sizeof(nat));
Con_DPrintf("Loading plugins from \"%s\"\n", nat);
Sys_EnumerateFiles(nat, "fteplug_*" ARCH_CPU_POSTFIX ARCH_DL_POSTFIX, Plug_EnumeratedRoot, NULL, NULL);
}
if (fromgamedir)
{
COM_EnumerateFiles("plugins/*.qvm", Plug_Emumerated, ".qvm");
}
}
if (plug_loaddefault.ival & 1)
{
unsigned int u;
PM_EnumeratePlugins(Plug_LoadDownloaded);
for (u = 0; staticplugins[u].name; u++)
{
Plug_Load(staticplugins[u].name, PLUG_NATIVE);
}
}
}
void Plug_Tick(void)
{
plugin_t *oldplug = currentplug;
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->tick)
{
float rt = realtime;
float st = 0;
#ifdef SERVERONLY
st = sv.time;
#elif defined(CLIENTONLY)
st = cl.time;
#else
st = sv.state?sv.time:cl.time;
#endif
VM_Call(currentplug->vm, currentplug->tick, (int)(realtime*1000), *(int*)&(rt), *(int*)&(st));
}
}
currentplug = oldplug;
}
#ifndef SERVERONLY
void Plug_ResChanged(void)
{
plugin_t *oldplug = currentplug;
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->reschange)
VM_Call(currentplug->vm, currentplug->reschange, vid.width, vid.height);
}
currentplug = oldplug;
}
#endif
qboolean Plugin_ExecuteString(void)
{
plugin_t *oldplug = currentplug;
if (Cmd_Argc()>0)
{
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->executestring)
{
if (VM_Call(currentplug->vm, currentplug->executestring, 0))
{
currentplug = oldplug;
return true;
}
}
}
}
currentplug = oldplug;
return false;
}
#ifndef SERVERONLY
qboolean Plug_ConsoleLinkMouseOver(float x, float y, char *text, char *info)
{
qboolean result = false;
plugin_t *oldplug = currentplug;
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->consolelinkmouseover)
{
char buffer[8192];
char *ptr;
ptr = (char*)COM_QuotedString(text, buffer, sizeof(buffer)-10, false);
ptr += strlen(ptr);
*ptr++ = ' ';
COM_QuotedString(info, ptr, sizeof(buffer)-(ptr-buffer), false);
Cmd_TokenizeString(buffer, false, false);
result = VM_Call(currentplug->vm, currentplug->consolelinkmouseover, *(int*)&(x), *(int*)&(y));
if (result)
break;
}
}
currentplug = oldplug;
return result;
}
qboolean Plug_ConsoleLink(char *text, char *info, const char *consolename)
{
qboolean result = false;
plugin_t *oldplug = currentplug;
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->consolelink)
{
char buffer[8192];
char *ptr, oinfo = *info;
*info = 0;
ptr = (char*)COM_QuotedString(text, buffer, sizeof(buffer)-10, false);
ptr += strlen(ptr);
*ptr++ = ' ';
*info = oinfo;
ptr = (char*)COM_QuotedString(info, ptr, sizeof(buffer)-(ptr-buffer)-5, false);
ptr += strlen(ptr);
*ptr++ = ' ';
COM_QuotedString(consolename, ptr, sizeof(buffer)-(ptr-buffer), false);
Cmd_TokenizeString(buffer, false, false);
result = VM_Call(currentplug->vm, currentplug->consolelink);
if (result)
break;
}
}
currentplug = oldplug;
return result;
}
int Plug_SubConsoleCommand(console_t *con, const char *line)
{
int ret;
char buffer[2048];
plugin_t *oldplug = currentplug; //shouldn't really be needed, but oh well
currentplug = con->userdata;
Q_strncpyz(buffer, va("\"%s\" %s", con->name, line), sizeof(buffer));
Cmd_TokenizeString(buffer, false, false);
ret = VM_Call(currentplug->vm, currentplug->conexecutecommand, 0);
currentplug = oldplug;
return ret;
}
#endif
#ifndef SERVERONLY
qboolean Plug_Menu_Event(int eventtype, int param) //eventtype = draw/keydown/keyup, param = time/key
{
plugin_t *oc=currentplug;
qboolean ret;
if (!menuplug)
return false;
currentplug = menuplug;
ret = VM_Call(menuplug->vm, menuplug->menufunction, eventtype, param, (int)mousecursor_x, (int)mousecursor_y);
currentplug=oc;
return ret;
}
#endif
#ifndef SERVERONLY
int Plug_ConnectionlessClientPacket(char *buffer, int size)
{
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->connectionlessclientpacket)
{
switch (VM_Call(currentplug->vm, currentplug->connectionlessclientpacket, buffer, size, &net_from))
{
case 0:
continue; //wasn't handled
case 1:
currentplug = NULL; //was handled with no apparent result
return true;
case 2:
#ifndef SERVERONLY
cls.protocol = CP_PLUGIN; //woo, the plugin wants to connect to them!
protocolclientplugin = currentplug;
#endif
currentplug = NULL;
return true;
}
}
}
return false;
}
#endif
#ifndef SERVERONLY
void Plug_SBar(playerview_t *pv)
{
#ifdef QUAKEHUD
#define sb_showscores pv->sb_showscores
#define sb_showteamscores pv->sb_showteamscores
#else
#define sb_showscores 0
#define sb_showteamscores 0
#endif
plugin_t *oc=currentplug;
int ret;
int cleared = false;
int hudmode;
if (!Sbar_ShouldDraw(pv))
{
SCR_TileClear (0);
return;
}
ret = 0;
if (cl.deathmatch)
hudmode = 1;
else
hudmode = 2;
if (!(plug_sbar.ival&4) && ((cls.protocol != CP_QUAKEWORLD && cls.protocol != CP_NETQUAKE) || M_GameType()!=MGT_QUAKE1))
currentplug = NULL; //disable the hud if we're not running quake. q2/q3/h2 must not display the hud, allowing for a simpler install-anywhere installer that can include it.
else if (!(plug_sbar.ival & hudmode))
currentplug = NULL;
else
{
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->sbarlevel[0])
{
//if you don't use splitscreen, use a full videosize rect.
R2D_ImageColours(1, 1, 1, 1); // ensure menu colors are reset
if (!cleared)
{
cleared = true;
SCR_TileClear (0);
}
ret |= VM_Call(currentplug->vm, currentplug->sbarlevel[0], pv-cl.playerview, (int)r_refdef.vrect.x, (int)r_refdef.vrect.y, (int)r_refdef.vrect.width, (int)r_refdef.vrect.height, sb_showscores+sb_showteamscores*2);
break;
}
}
}
if (!(ret & 1))
{
if (!cleared)
SCR_TileClear (sb_lines);
Sbar_Draw(pv);
}
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->sbarlevel[1])
{
R2D_ImageColours(1, 1, 1, 1); // ensure menu colors are reset
ret |= VM_Call(currentplug->vm, currentplug->sbarlevel[1], pv-cl.playerview, r_refdef.vrect.x, r_refdef.vrect.y, r_refdef.vrect.width, r_refdef.vrect.height, sb_showscores+sb_showteamscores*2);
}
}
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->sbarlevel[2])
{
R2D_ImageColours(1, 1, 1, 1); // ensure menu colors are reset
ret |= VM_Call(currentplug->vm, currentplug->sbarlevel[2], pv-cl.playerview, r_refdef.vrect.x, r_refdef.vrect.y, r_refdef.vrect.width, r_refdef.vrect.height, sb_showscores+sb_showteamscores*2);
}
}
if (!(ret & 2))
{
Sbar_DrawScoreboard(pv);
}
currentplug = oc;
}
#endif
qboolean Plug_ServerMessage(char *buffer, int messagelevel)
{
qboolean ret = true;
Cmd_TokenizeString(buffer, false, false);
Cmd_Args_Set(buffer, strlen(buffer));
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->svmsgfunction)
{
ret &= VM_Call(currentplug->vm, currentplug->svmsgfunction, messagelevel);
}
}
Cmd_Args_Set(NULL, 0);
return ret; // true to display message, false to supress
}
qboolean Plug_ChatMessage(char *buffer, int talkernum, int tpflags)
{
qboolean ret = true;
Cmd_TokenizeString(buffer, false, false);
Cmd_Args_Set(buffer, strlen(buffer));
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->chatmsgfunction)
{
ret &= VM_Call(currentplug->vm, currentplug->chatmsgfunction, talkernum, tpflags);
}
}
Cmd_Args_Set(NULL, 0);
return ret; // true to display message, false to supress
}
qboolean Plug_CenterPrintMessage(char *buffer, int clientnum)
{
qboolean ret = true;
Cmd_TokenizeString(buffer, false, false);
Cmd_Args_Set(buffer, strlen(buffer));
for (currentplug = plugs; currentplug; currentplug = currentplug->next)
{
if (currentplug->centerprintfunction)
{
ret &= VM_Call(currentplug->vm, currentplug->centerprintfunction, clientnum);
}
}
Cmd_Args_Set(NULL, 0);
return ret; // true to display message, false to supress
}
void Plug_Close(plugin_t *plug)
{
int i;
if (plug->blockcloses)
{
Con_Printf("Plugin %s provides driver features, and cannot safely be unloaded\n", plug->name);
return;
}
if (plugs == plug)
plugs = plug->next;
else
{
plugin_t *prev;
for (prev = plugs; prev; prev = prev->next)
{
if (prev->next == plug)
break;
}
if (!prev)
Sys_Error("Plug_Close: not linked\n");
prev->next = plug->next;
}
if (!com_workererror)
Con_DPrintf("Closing plugin %s\n", plug->name);
//ensure any active contexts provided by the plugin are closed (stuff with destroy callbacks)
#if defined(PLUGINS) && !defined(SERVERONLY)
#ifdef HAVE_MEDIA_DECODER
Media_UnregisterDecoder(plug, NULL);
#endif
#ifdef HAVE_MEDIA_ENCODER
Media_UnregisterEncoder(plug, NULL);
#endif
#endif
FS_UnRegisterFileSystemModule(plug);
Mod_UnRegisterAllModelFormats(plug);
//tell the plugin that everything is closed and that it should free up any lingering memory/stuff
//it is still allowed to create/have open files.
if (plug->shutdown)
{
plugin_t *cp = currentplug;
currentplug = plug;
VM_Call(plug->vm, plug->shutdown);
currentplug = cp;
}
VM_Destroy(plug->vm);
//make sure anything else that was left is unlinked (stuff without destroy callbacks).
for (i = 0; i < pluginstreamarraylen; i++)
{
if (pluginstreamarray[i].plugin == plug)
{
Plug_Net_Close_Internal(i);
}
}
Plug_FreeConCommands(plug);
Plug_Client_Close(plug);
Z_Free(plug);
if (currentplug == plug)
currentplug = NULL;
}
void Plug_Close_f(void)
{
plugin_t *plug;
char *name = Cmd_Argv(1);
char cleaned[MAX_OSPATH];
if (Cmd_Argc()<2)
{
Con_Printf("Close which plugin?\n");
return;
}
name = Plug_CleanName(name, cleaned, sizeof(cleaned));
if (currentplug)
Sys_Error("Plug_CloseAll_f called inside a plugin!\n");
for (plug = plugs; plug; plug = plug->next)
{
if (!strcmp(plug->name, name))
{
Plug_Close(plug);
return;
}
}
name = va("plugins/%s", name);
for (plug = plugs; plug; plug = plug->next)
{
if (!strcmp(plug->name, name))
{
Plug_Close(plug);
return;
}
}
Con_Printf("Plugin %s does not appear to be loaded\n", Cmd_Argv(1));
}
void Plug_CloseAll_f(void)
{
plugin_t *p;
if (currentplug)
Sys_Error("Plug_CloseAll_f called inside a plugin!\n");
while(plugs)
{
p = plugs;
while (p->blockcloses)
{
p = p->next;
if (!p)
return;
}
Plug_Close(p);
}
}
int QDECL Plug_List_Print(const char *fname, qofs_t fsize, time_t modtime, void *parm, searchpathfuncs_t *spath)
{
plugin_t *plug;
char plugname[MAX_QPATH];
//lots of awkward logic so we hide modules for other cpus.
size_t nl = strlen(fname);
size_t u;
static const char *knownarch[] =
{
"x32", "x64", "amd64", "x86", //various x86 ABIs
"arm", "arm64", "armhf", //various arm ABIs
"ppc", "unk", //various misc ABIs
};
if (nl >= strlen(ARCH_DL_POSTFIX) && !Q_strcasecmp(fname+nl-strlen(ARCH_DL_POSTFIX), ARCH_DL_POSTFIX))
{
nl -= strlen(ARCH_DL_POSTFIX);
for (u = 0; u < countof(knownarch); u++)
{
size_t al = strlen(knownarch[u]);
if (!Q_strncasecmp(fname+nl-al, knownarch[u], al))
{
nl -= al;
break;
}
}
if (u == countof(knownarch) || !Q_strcasecmp(knownarch[u], ARCH_CPU_POSTFIX))
{
if (nl > sizeof(plugname)-1)
nl = sizeof(plugname)-1;
if (nl>0&&fname[nl] == '_')
nl--; //ignore the _ before the ABI name.
memcpy(plugname, fname, nl);
plugname[nl] = 0;
//don't bother printing it if its already loaded.
for (plug = plugs; plug; plug = plug->next)
{
const char *existing = VM_GetFilename(plug->vm);
if (!Q_strncasecmp(existing, parm, strlen(parm)) && !Q_strcasecmp(existing+strlen(parm), fname))
return true;
}
Con_Printf("^[%s%s\\type\\plug_load %s\\^]: not loaded\n", (const char*)parm, fname, plugname+((!Q_strncasecmp(plugname,"fteplug_", 8))?8:0));
}
}
return true;
}
void Plug_List_f(void)
{
char binarypath[MAX_OSPATH];
char rootpath[MAX_OSPATH];
unsigned int u;
char *mssuck;
plugin_t *plug;
for (plug = plugs; plug; plug = plug->next)
{
VM_PrintInfo(plug->vm);
}
if (FS_NativePath("", FS_BINARYPATH, binarypath, sizeof(binarypath)))
{
while ((mssuck=strchr(binarypath, '\\')))
*mssuck = '/';
Sys_EnumerateFiles(binarypath, "fteplug_*" ARCH_DL_POSTFIX, Plug_List_Print, binarypath, NULL);
}
if (FS_NativePath("", FS_ROOT, rootpath, sizeof(rootpath)))
{
while ((mssuck=strchr(rootpath, '\\')))
*mssuck = '/';
if (strcmp(binarypath, rootpath))
Sys_EnumerateFiles(rootpath, "fteplug_*" ARCH_DL_POSTFIX, Plug_List_Print, rootpath, NULL);
}
for (u = 0; staticplugins[u].name; u++)
Plug_List_Print(staticplugins[u].name, 0, 0, "", NULL);
}
void Plug_Shutdown(qboolean preliminary)
{
plugin_t **p;
if (preliminary)
{
//close the non-block-closes plugins first, before most of the rest of the subsystems are down
for (p = &plugs; *p; )
{
if ((*p)->blockcloses)
p = &(*p)->next;
else
Plug_Close(*p);
}
}
else
{
//now that our various handles etc are closed, its safe to terminate the various driver plugins.
while(plugs)
{
plugs->blockcloses = 0;
Plug_Close(plugs);
}
BZ_Free(pluginstreamarray);
pluginstreamarray = NULL;
pluginstreamarraylen = 0;
numplugbuiltins = 0;
BZ_Free(plugbuiltins);
plugbuiltins = NULL;
plugincvararraylen = 0;
BZ_Free(plugincvararray);
plugincvararray = NULL;
plugincommandarraylen = 0;
BZ_Free(plugincommandarray);
plugincommandarray = NULL;
#ifndef SERVERONLY
Plug_Client_Shutdown();
#endif
}
}
//for built-in plugins
qboolean Plug_Export(const char *name, qintptr_t(QDECL *func)(qintptr_t *args))
{
qintptr_t args[] = {(qintptr_t)name, (qintptr_t)func};
return Plug_ExportToEngine(NULL, ~(size_t)0, args);
}
void *pPlug_GetEngineFunction(const char *funcname)
{
return (void*)Plug_FindBuiltin(true, funcname);
}
#endif
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