diff --git a/src/deh_lua.c b/src/deh_lua.c index 1b177eb25..0b789547b 100644 --- a/src/deh_lua.c +++ b/src/deh_lua.c @@ -277,8 +277,8 @@ static int ScanConstants(lua_State *L, boolean mathlib, const char *word) } else if (fastncmp("MTF_", word, 4)) { p = word+4; - for (i = 0; i < 4; i++) - if (MAPTHINGFLAG_LIST[i] && fastcmp(p, MAPTHINGFLAG_LIST[i])) { + for (i = 0; MAPTHINGFLAG_LIST[i]; i++) + if (fastcmp(p, MAPTHINGFLAG_LIST[i])) { CacheAndPushConstant(L, word, ((lua_Integer)1< \t"\1", // \2 extern const char *const MOBJEFLAG_LIST[]; -extern const char *const MAPTHINGFLAG_LIST[4]; +extern const char *const MAPTHINGFLAG_LIST[]; extern const char *const PLAYERFLAG_LIST[]; extern const char *const GAMETYPERULE_LIST[]; extern const char *const ML_LIST[]; // Linedef flags diff --git a/src/doomdata.h b/src/doomdata.h index 576fe03e2..276e03297 100644 --- a/src/doomdata.h +++ b/src/doomdata.h @@ -62,6 +62,10 @@ enum #define MTF_AMBUSH 8 // Do not use bit five or after, as they are used for object z-offsets. +// Unless it's exclusive to UDMF. + +// Flag to use Z as absolute spawn height, ignoring the floor and ceiling. +#define MTF_ABSOLUTEZ 16 #if defined(_MSC_VER) #pragma pack(1) diff --git a/src/p_mobj.c b/src/p_mobj.c index a2f7a8c7e..9065ac9d4 100644 --- a/src/p_mobj.c +++ b/src/p_mobj.c @@ -11864,7 +11864,7 @@ void P_MovePlayerToStarpost(INT32 playernum) mapthing_t *huntemeralds[MAXHUNTEMERALDS]; INT32 numhuntemeralds; -fixed_t P_GetMobjSpawnHeight(const mobjtype_t mobjtype, const fixed_t x, const fixed_t y, const fixed_t dz, const fixed_t offset, const boolean flip, const fixed_t scale) +fixed_t P_GetMobjSpawnHeight(const mobjtype_t mobjtype, const fixed_t x, const fixed_t y, const fixed_t dz, const fixed_t offset, const boolean flip, const fixed_t scale, const boolean absolutez) { const subsector_t *ss = R_PointInSubsector(x, y); @@ -11874,9 +11874,9 @@ fixed_t P_GetMobjSpawnHeight(const mobjtype_t mobjtype, const fixed_t x, const f // Establish height. if (flip) - return P_GetSectorCeilingZAt(ss->sector, x, y) - dz - FixedMul(scale, offset + mobjinfo[mobjtype].height); + return (absolutez ? dz : P_GetSectorCeilingZAt(ss->sector, x, y) - dz) - FixedMul(scale, offset + mobjinfo[mobjtype].height); else - return P_GetSectorFloorZAt(ss->sector, x, y) + dz + FixedMul(scale, offset); + return (absolutez ? dz : P_GetSectorFloorZAt(ss->sector, x, y) + dz) + FixedMul(scale, offset); } fixed_t P_GetMapThingSpawnHeight(const mobjtype_t mobjtype, const mapthing_t* mthing, const fixed_t x, const fixed_t y) @@ -11884,6 +11884,7 @@ fixed_t P_GetMapThingSpawnHeight(const mobjtype_t mobjtype, const mapthing_t* mt fixed_t dz = mthing->z << FRACBITS; // Base offset from the floor. fixed_t offset = 0; // Specific scaling object offset. boolean flip = (!!(mobjinfo[mobjtype].flags & MF_SPAWNCEILING) ^ !!(mthing->options & MTF_OBJECTFLIP)); + boolean absolutez = !!(mthing->options & MTF_ABSOLUTEZ); switch (mobjtype) { @@ -11939,7 +11940,7 @@ fixed_t P_GetMapThingSpawnHeight(const mobjtype_t mobjtype, const mapthing_t* mt offset += mthing->args[0] ? 0 : 24*FRACUNIT; } - if (!(dz + offset)) // Snap to the surfaces when there's no offset set. + if (!(dz + offset) && !absolutez) // Snap to the surfaces when there's no offset set. { if (flip) return ONCEILINGZ; @@ -11947,7 +11948,7 @@ fixed_t P_GetMapThingSpawnHeight(const mobjtype_t mobjtype, const mapthing_t* mt return ONFLOORZ; } - return P_GetMobjSpawnHeight(mobjtype, x, y, dz, offset, flip, mthing->scale); + return P_GetMobjSpawnHeight(mobjtype, x, y, dz, offset, flip, mthing->scale, absolutez); } static boolean P_SpawnNonMobjMapThing(mapthing_t *mthing) @@ -13444,7 +13445,7 @@ void P_SpawnHoop(mapthing_t *mthing) vector4_t v, res; fixed_t x = mthing->x << FRACBITS; fixed_t y = mthing->y << FRACBITS; - fixed_t z = P_GetMobjSpawnHeight(MT_HOOP, x, y, mthing->z << FRACBITS, 0, false, mthing->scale); + fixed_t z = P_GetMobjSpawnHeight(MT_HOOP, x, y, mthing->z << FRACBITS, 0, false, mthing->scale, mthing->options & MTF_ABSOLUTEZ); hoopcenter = P_SpawnMobj(x, y, z, MT_HOOPCENTER); hoopcenter->spawnpoint = mthing; @@ -13571,7 +13572,7 @@ static void P_SpawnItemRow(mapthing_t *mthing, mobjtype_t *itemtypes, UINT8 numi itemtypes[r] = P_GetMobjtypeSubstitute(&dummything, itemtypes[r]); } } - z = P_GetMobjSpawnHeight(itemtypes[0], x, y, z, 0, mthing->options & MTF_OBJECTFLIP, mthing->scale); + z = P_GetMobjSpawnHeight(itemtypes[0], x, y, z, 0, mthing->options & MTF_OBJECTFLIP, mthing->scale, mthing->options & MTF_ABSOLUTEZ); for (r = 0; r < numitems; r++) { @@ -13630,7 +13631,7 @@ static void P_SpawnItemCircle(mapthing_t *mthing, mobjtype_t *itemtypes, UINT8 n itemtypes[i] = P_GetMobjtypeSubstitute(&dummything, itemtypes[i]); } } - z = P_GetMobjSpawnHeight(itemtypes[0], x, y, z, 0, false, mthing->scale); + z = P_GetMobjSpawnHeight(itemtypes[0], x, y, z, 0, false, mthing->scale, mthing->options & MTF_ABSOLUTEZ); for (i = 0; i < numitems; i++) { diff --git a/src/p_mobj.h b/src/p_mobj.h index 9c598f59e..a980691be 100644 --- a/src/p_mobj.h +++ b/src/p_mobj.h @@ -491,7 +491,7 @@ void P_MovePlayerToSpawn(INT32 playernum, mapthing_t *mthing); void P_MovePlayerToStarpost(INT32 playernum); void P_AfterPlayerSpawn(INT32 playernum); -fixed_t P_GetMobjSpawnHeight(const mobjtype_t mobjtype, const fixed_t x, const fixed_t y, const fixed_t dz, const fixed_t offset, const boolean flip, const fixed_t scale); +fixed_t P_GetMobjSpawnHeight(const mobjtype_t mobjtype, const fixed_t x, const fixed_t y, const fixed_t dz, const fixed_t offset, const boolean flip, const fixed_t scale, const boolean absolutez); fixed_t P_GetMapThingSpawnHeight(const mobjtype_t mobjtype, const mapthing_t* mthing, const fixed_t x, const fixed_t y); mobj_t *P_SpawnMapThing(mapthing_t *mthing); diff --git a/src/p_setup.c b/src/p_setup.c index 77f5370dd..e7d86cf16 100644 --- a/src/p_setup.c +++ b/src/p_setup.c @@ -2033,6 +2033,8 @@ static void ParseTextmapThingParameter(UINT32 i, const char *param, const char * // Flags else if (fastcmp(param, "flip") && fastcmp("true", val)) mapthings[i].options |= MTF_OBJECTFLIP; + else if (fastcmp(param, "absolutez") && fastcmp("true", val)) + mapthings[i].options |= MTF_ABSOLUTEZ; else if (fastncmp(param, "stringarg", 9) && strlen(param) > 9) { @@ -6781,7 +6783,6 @@ static void P_ConvertBinaryThingTypes(void) break; case 1704: //NiGHTS bumper mapthings[i].pitch = 30 * (((mapthings[i].options & 15) + 9) % 12); - mapthings[i].options &= ~0xF; break; case 1705: //Hoop case 1713: //Hoop (Customizable) @@ -6790,7 +6791,6 @@ static void P_ConvertBinaryThingTypes(void) mapthings[i].angle = (mapthings[i].extrainfo == 1) ? oldangle - 90 : ((oldangle >> 8)*360)/256; mapthings[i].pitch = (mapthings[i].extrainfo == 1) ? oldangle / 360 : ((oldangle & 255)*360)/256; mapthings[i].args[0] = (mapthings[i].type == 1705) ? 96 : (mapthings[i].options & 0xF)*16 + 32; - mapthings[i].options &= ~0xF; mapthings[i].type = 1713; break; } @@ -6818,6 +6818,9 @@ static void P_ConvertBinaryThingTypes(void) default: break; } + + // Clear binary thing height hacks, to prevent interfering with UDMF-only flags + mapthings[i].options &= 0xF; } }