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MobjThinker, MobjCollide and MobjMoveCollide hooks are now directly linked to the mobjtype they belong to, so you no longer iterate through all existing hooks.

This commit is contained in:
Louis-Antoine 2016-11-04 18:56:25 +01:00
parent 51cb45cd4b
commit 6f4699fb77
1 changed files with 102 additions and 16 deletions
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118
src/lua_hooklib.c
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@ -74,12 +74,21 @@ typedef struct hook_s* hook_p;
#define FMT_HOOKID "hook_%d"
// For each mobj type, a linked list to its thinker and collision hooks.
// That way, we don't have to iterate through all the hooks.
// We could do that with all other mobj hooks, but it would probably just be
// a waste of memory since they are only called occasionally. Probably...
static hook_p mobjthinkerhooks[NUMMOBJTYPES];
static hook_p mobjcollidehooks[NUMMOBJTYPES];
// For other hooks, a unique linked list
hook_p roothook;
// Takes hook, function, and additional arguments (mobj type to act on, etc.)
static int lib_addHook(lua_State *L)
{
static struct hook_s hook = {NULL, 0, 0, {0}, false};
static UINT32 nextid;
hook_p hookp, *lastp;
hook.type = luaL_checkoption(L, 1, NULL, hookNames);
@ -109,6 +118,7 @@ static int lib_addHook(lua_State *L)
hook.s.mt = MT_NULL;
if (lua_isnumber(L, 2))
hook.s.mt = lua_tonumber(L, 2);
luaL_argcheck(L, hook.s.mt < NUMMOBJTYPES, 2, "invalid mobjtype_t");
break;
case hook_BotAI:
hook.s.skinname = NULL;
@ -141,18 +151,21 @@ static int lib_addHook(lua_State *L)
hooksAvailable[hook.type/8] |= 1<<(hook.type%8);
// iterate the hook metadata structs
// set hook.id to the highest id + 1
// set lastp to the last hook struct's "next" pointer.
lastp = &roothook;
hook.id = 0;
for (hookp = roothook; hookp; hookp = hookp->next)
{
if (hookp->id >= hook.id)
hook.id = hookp->id+1;
lastp = &hookp->next;
}
hook.id = nextid++;
// Special cases for mobj thinker and collision hooks (see the comments above mobjthinkerhooks declaration)
if (hook.type == hook_MobjThinker)
lastp = &mobjthinkerhooks[hook.s.mt];
else if (hook.type == hook_MobjCollide || hook.type == hook_MobjMoveCollide)
lastp = &mobjcollidehooks[hook.s.mt];
else
lastp = &roothook;
// iterate the hook metadata structs
// set lastp to the last hook struct's "next" pointer.
for (hookp = *lastp; hookp; hookp = hookp->next)
lastp = &hookp->next;
// allocate a permanent memory struct to stuff hook.
hookp = ZZ_Alloc(sizeof(struct hook_s));
memcpy(hookp, &hook, sizeof(struct hook_s));
@ -183,9 +196,9 @@ boolean LUAh_MobjHook(mobj_t *mo, enum hook which)
lua_settop(gL, 0);
for (hookp = roothook; hookp; hookp = hookp->next)
if (hookp->type == which
&& (hookp->s.mt == MT_NULL || hookp->s.mt == mo->type))
if (which == hook_MobjThinker) // Alternate list for mobj thinkers
{
for (hookp = mobjthinkerhooks[mo->type]; hookp; hookp = hookp->next)
{
if (lua_gettop(gL) == 0)
LUA_PushUserdata(gL, mo, META_MOBJ);
@ -204,6 +217,50 @@ boolean LUAh_MobjHook(mobj_t *mo, enum hook which)
lua_pop(gL, 1);
}
// Look for all generic mobj thinker hooks
for (hookp = mobjthinkerhooks[MT_NULL]; hookp; hookp = hookp->next)
{
if (lua_gettop(gL) == 0)
LUA_PushUserdata(gL, mo, META_MOBJ);
lua_pushfstring(gL, FMT_HOOKID, hookp->id);
lua_gettable(gL, LUA_REGISTRYINDEX);
lua_pushvalue(gL, -2);
if (lua_pcall(gL, 1, 1, 0)) {
if (!hookp->error || cv_debug & DBG_LUA)
CONS_Alert(CONS_WARNING,"%s\n",lua_tostring(gL, -1));
lua_pop(gL, 1);
hookp->error = true;
continue;
}
if (lua_toboolean(gL, -1))
hooked = true;
lua_pop(gL, 1);
}
}
else
{
for (hookp = roothook; hookp; hookp = hookp->next)
if (hookp->type == which
&& (hookp->s.mt == MT_NULL || hookp->s.mt == mo->type))
{
if (lua_gettop(gL) == 0)
LUA_PushUserdata(gL, mo, META_MOBJ);
lua_pushfstring(gL, FMT_HOOKID, hookp->id);
lua_gettable(gL, LUA_REGISTRYINDEX);
lua_pushvalue(gL, -2);
if (lua_pcall(gL, 1, 1, 0)) {
if (!hookp->error || cv_debug & DBG_LUA)
CONS_Alert(CONS_WARNING,"%s\n",lua_tostring(gL, -1));
lua_pop(gL, 1);
hookp->error = true;
continue;
}
if (lua_toboolean(gL, -1))
hooked = true;
lua_pop(gL, 1);
}
}
lua_settop(gL, 0);
return hooked;
}
@ -338,9 +395,38 @@ UINT8 LUAh_MobjCollideHook(mobj_t *thing1, mobj_t *thing2, enum hook which)
lua_settop(gL, 0);
for (hookp = roothook; hookp; hookp = hookp->next)
if (hookp->type == which
&& (hookp->s.mt == MT_NULL || hookp->s.mt == thing1->type))
for (hookp = mobjcollidehooks[thing1->type]; hookp; hookp = hookp->next)
if (hookp->type == which)
{
if (lua_gettop(gL) == 0)
{
LUA_PushUserdata(gL, thing1, META_MOBJ);
LUA_PushUserdata(gL, thing2, META_MOBJ);
}
lua_pushfstring(gL, FMT_HOOKID, hookp->id);
lua_gettable(gL, LUA_REGISTRYINDEX);
lua_pushvalue(gL, -3);
lua_pushvalue(gL, -3);
if (lua_pcall(gL, 2, 1, 0)) {
if (!hookp->error || cv_debug & DBG_LUA)
CONS_Alert(CONS_WARNING,"%s\n",lua_tostring(gL, -1));
lua_pop(gL, 1);
hookp->error = true;
continue;
}
if (!lua_isnil(gL, -1))
{ // if nil, leave shouldCollide = 0.
if (lua_toboolean(gL, -1))
shouldCollide = 1; // Force yes
else
shouldCollide = 2; // Force no
}
lua_pop(gL, 1);
}
// Look for all generic mobj collision hooks
for (hookp = mobjcollidehooks[MT_NULL]; hookp; hookp = hookp->next)
if (hookp->type == which)
{
if (lua_gettop(gL) == 0)
{