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Reset tmthing after P_CheckSector calls from Lua

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tmthing must not be set outside of P_MapStart and P_MapEnd
or the game will fail a sanity check which ensures that
mobj references are not persistent across frames and crash.
This commit is contained in:
JTE 2015-05-22 01:51:40 -04:00
parent c91cd3860b
commit f783df718c
1 changed files with 8 additions and 0 deletions
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8
src/lua_maplib.c
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@ -396,6 +396,7 @@ static int sector_set(lua_State *L)
return luaL_error(L, "sector_t field " LUA_QS " cannot be set.", sector_opt[field]);
case sector_floorheight: { // floorheight
boolean flag;
mobj_t *ptmthing = tmthing;
fixed_t lastpos = sector->floorheight;
sector->floorheight = luaL_checkfixed(L, 3);
flag = P_CheckSector(sector, true);
@ -404,10 +405,12 @@ static int sector_set(lua_State *L)
sector->floorheight = lastpos;
P_CheckSector(sector, true);
}
P_SetTarget(&tmthing, ptmthing);
break;
}
case sector_ceilingheight: { // ceilingheight
boolean flag;
mobj_t *ptmthing = tmthing;
fixed_t lastpos = sector->ceilingheight;
sector->ceilingheight = luaL_checkfixed(L, 3);
flag = P_CheckSector(sector, true);
@ -416,6 +419,7 @@ static int sector_set(lua_State *L)
sector->ceilingheight = lastpos;
P_CheckSector(sector, true);
}
P_SetTarget(&tmthing, ptmthing);
break;
}
case sector_floorpic:
@ -1071,6 +1075,7 @@ static int ffloor_set(lua_State *L)
case ffloor_topheight: { // topheight
boolean flag;
fixed_t lastpos = *ffloor->topheight;
mobj_t *ptmthing = tmthing;
sector_t *sector = &sectors[ffloor->secnum];
sector->ceilingheight = luaL_checkfixed(L, 3);
flag = P_CheckSector(sector, true);
@ -1079,6 +1084,7 @@ static int ffloor_set(lua_State *L)
*ffloor->topheight = lastpos;
P_CheckSector(sector, true);
}
P_SetTarget(&tmthing, ptmthing);
break;
}
case ffloor_toppic:
@ -1090,6 +1096,7 @@ static int ffloor_set(lua_State *L)
case ffloor_bottomheight: { // bottomheight
boolean flag;
fixed_t lastpos = *ffloor->bottomheight;
mobj_t *ptmthing = tmthing;
sector_t *sector = &sectors[ffloor->secnum];
sector->floorheight = luaL_checkfixed(L, 3);
flag = P_CheckSector(sector, true);
@ -1098,6 +1105,7 @@ static int ffloor_set(lua_State *L)
*ffloor->bottomheight = lastpos;
P_CheckSector(sector, true);
}
P_SetTarget(&tmthing, ptmthing);
break;
}
case ffloor_bottompic: