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* Introducing new Lua-exclusive function, P_IsValidSprite2(mo, spr2). Basically just a wrapper for (((skin_t *)mobj->skin)->sprites[spr2].numframes > 0), useful for creating custom sprite2 defaulting functions since hooking into P_GetMobjSprite2 wouldn't be worth it.

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* All Lua-originated sprite2 settings are now forced through P_GetMobjSprite2. Makes sense because of SPR2_JUMP, which none of the main characters have sprites for yet all use.
* Cleaned up P_GetMobjSprite2 to not set irrelevant, otherwise-unused variable.
This commit is contained in:
toasterbabe 2016-11-11 23:23:41 +00:00
parent 4756b4ce2c
commit 20677c7a66
4 changed files with 18 additions and 4 deletions
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14
src/lua_baselib.c
View file

@ -309,6 +309,19 @@ static int lib_pRemoveMobj(lua_State *L)
return 0;
}
// P_IsValidSprite2 technically doesn't exist, and probably never should... but too much would need to be exposed to allow this to be checked by other methods.
static int lib_pIsValidSprite2(lua_State *L)
{
mobj_t *mobj = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
UINT8 spr2 = (UINT8)luaL_checkinteger(L, 2);
//HUDSAFE
if (!mobj)
return LUA_ErrInvalid(L, "mobj_t");
lua_pushboolean(L, (mobj->skin && (((skin_t *)mobj->skin)->sprites[spr2].numframes > 0)));
return 1;
}
static int lib_pSpawnMissile(lua_State *L)
{
mobj_t *source = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
@ -2005,6 +2018,7 @@ static luaL_Reg lib[] = {
// don't add P_SetMobjState or P_SetPlayerMobjState, use "mobj.state = S_NEWSTATE" instead.
{"P_SpawnMobj",lib_pSpawnMobj},
{"P_RemoveMobj",lib_pRemoveMobj},
{"P_IsValidSprite2", lib_pIsValidSprite2},
{"P_SpawnMissile",lib_pSpawnMissile},
{"P_SpawnXYZMissile",lib_pSpawnXYZMissile},
{"P_SpawnPointMissile",lib_pSpawnPointMissile},

2
src/lua_mobjlib.c
View file

@ -417,7 +417,7 @@ static int mobj_set(lua_State *L)
mo->frame = (UINT32)luaL_checkinteger(L, 3);
break;
case mobj_sprite2:
mo->sprite2 = (UINT8)luaL_checkinteger(L, 3);
mo->sprite2 = P_GetMobjSprite2(mo, (UINT8)luaL_checkinteger(L, 3));
break;
case mobj_anim_duration:
mo->anim_duration = (UINT16)luaL_checkinteger(L, 3);

1
src/p_local.h
View file

@ -211,6 +211,7 @@ void P_PrecipitationEffects(void);
void P_RemoveMobj(mobj_t *th);
boolean P_MobjWasRemoved(mobj_t *th);
void P_RemoveSavegameMobj(mobj_t *th);
UINT8 P_GetMobjSprite2(mobj_t *mobj, UINT8 spr2);
boolean P_SetPlayerMobjState(mobj_t *mobj, statenum_t state);
boolean P_SetMobjState(mobj_t *mobj, statenum_t state);
void P_RunShields(void);

5
src/p_mobj.c
View file

@ -189,17 +189,16 @@ static void P_CyclePlayerMobjState(mobj_t *mobj)
// P_GetMobjSprite2
//
static UINT8 P_GetMobjSprite2(mobj_t *mobj, UINT8 spr2)
UINT8 P_GetMobjSprite2(mobj_t *mobj, UINT8 spr2)
{
player_t *player = mobj->player;
skin_t *skin = ((skin_t *)mobj->skin);
boolean noalt = false;
UINT8 numframes;
if (!skin)
return 0;
while (((numframes = skin->sprites[spr2].numframes) <= 0)
while ((skin->sprites[spr2].numframes <= 0)
&& spr2 != SPR2_STND)
{
switch(spr2)