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Merge pull request #66 from Yukitty/crashfix-Lua-hook_NetVars

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Crashfix Lua hook_NetVars
This commit is contained in:
STJrInuyasha 2016-03-03 15:33:08 -08:00
commit 990c78686e
3 changed files with 32 additions and 26 deletions
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29
src/lua_hooklib.c
View file

@ -768,4 +768,33 @@ boolean LUAh_HurtMsg(player_t *player, mobj_t *inflictor, mobj_t *source)
return hooked;
}
void LUAh_NetArchiveHook(lua_CFunction archFunc)
{
hook_p hookp;
if (!gL || !(hooksAvailable[hook_NetVars/8] & (1<<(hook_NetVars%8))))
return;
// stack: tables
I_Assert(lua_gettop(gL) > 0);
I_Assert(lua_istable(gL, -1));
// tables becomes an upvalue of archFunc
lua_pushvalue(gL, -1);
lua_pushcclosure(gL, archFunc, 1);
// stack: tables, archFunc
for (hookp = roothook; hookp; hookp = hookp->next)
if (hookp->type == hook_NetVars)
{
lua_pushfstring(gL, FMT_HOOKID, hookp->id);
lua_gettable(gL, LUA_REGISTRYINDEX);
lua_pushvalue(gL, -2); // archFunc
LUA_Call(gL, 1);
}
lua_pop(gL, 1); // pop archFunc
// stack: tables
}
#endif

28
src/lua_script.c
View file

@ -915,30 +915,6 @@ static void UnArchiveTables(void)
}
}
static void NetArchiveHook(lua_CFunction archFunc)
{
int TABLESINDEX;
if (!gL)
return;
TABLESINDEX = lua_gettop(gL);
lua_getfield(gL, LUA_REGISTRYINDEX, "hook");
I_Assert(lua_istable(gL, -1));
lua_rawgeti(gL, -1, hook_NetVars);
lua_remove(gL, -2);
I_Assert(lua_istable(gL, -1));
lua_pushvalue(gL, TABLESINDEX);
lua_pushcclosure(gL, archFunc, 1);
lua_pushnil(gL);
while (lua_next(gL, -3) != 0) {
lua_pushvalue(gL, -3); // function
LUA_Call(gL, 1);
}
lua_pop(gL, 2);
}
void LUA_Step(void)
{
if (!gL)
@ -972,7 +948,7 @@ void LUA_Archive(void)
}
WRITEUINT32(save_p, UINT32_MAX); // end of mobjs marker, replaces mobjnum.
NetArchiveHook(NetArchive); // call the NetArchive hook in archive mode
LUAh_NetArchiveHook(NetArchive); // call the NetArchive hook in archive mode
ArchiveTables();
if (gL)
@ -1003,7 +979,7 @@ void LUA_UnArchive(void)
UnArchiveExtVars(th); // apply variables
} while(mobjnum != UINT32_MAX); // repeat until end of mobjs marker.
NetArchiveHook(NetUnArchive); // call the NetArchive hook in unarchive mode
LUAh_NetArchiveHook(NetUnArchive); // call the NetArchive hook in unarchive mode
UnArchiveTables();
if (gL)

1
src/lua_script.h
View file

@ -55,6 +55,7 @@ void Got_Luacmd(UINT8 **cp, INT32 playernum); // lua_consolelib.c
void LUA_CVarChanged(const char *name); // lua_consolelib.c
int Lua_optoption(lua_State *L, int narg,
const char *def, const char *const lst[]);
void LUAh_NetArchiveHook(lua_CFunction archFunc);
// Console wrapper
void COM_Lua_f(void);