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feat: add IsInInstance, GetInstanceInfo, and GetInstanceDifficulty Lua APIs

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IsInInstance() returns whether player is in an instance and the type.
GetInstanceInfo() returns map name, instance type, difficulty index/name,
and max players. GetInstanceDifficulty() returns 1-based difficulty index.
Critical for raid/dungeon addons like DBM for instance detection.
This commit is contained in:
Kelsi 2026-03-20 18:33:44 -07:00
parent 2a9a7fe04e
commit ce128990d2
1 changed files with 39 additions and 0 deletions
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39
src/addons/lua_engine.cpp
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@ -1194,6 +1194,42 @@ static int lua_UnitCreatureType(lua_State* L) {
return 1;
}
// IsInInstance() → isInstance, instanceType
static int lua_IsInInstance(lua_State* L) {
auto* gh = getGameHandler(L);
if (!gh) { lua_pushboolean(L, 0); lua_pushstring(L, "none"); return 2; }
bool inInstance = gh->isInInstance();
lua_pushboolean(L, inInstance);
lua_pushstring(L, inInstance ? "party" : "none"); // simplified: "none", "party", "raid", "pvp", "arena"
return 2;
}
// GetInstanceInfo() → name, type, difficultyIndex, difficultyName, maxPlayers, ...
static int lua_GetInstanceInfo(lua_State* L) {
auto* gh = getGameHandler(L);
if (!gh) {
lua_pushstring(L, ""); lua_pushstring(L, "none"); lua_pushnumber(L, 0);
lua_pushstring(L, "Normal"); lua_pushnumber(L, 0);
return 5;
}
std::string mapName = gh->getMapName(gh->getCurrentMapId());
lua_pushstring(L, mapName.c_str()); // 1: name
lua_pushstring(L, gh->isInInstance() ? "party" : "none"); // 2: instanceType
lua_pushnumber(L, gh->getInstanceDifficulty()); // 3: difficultyIndex
static const char* kDiff[] = {"Normal", "Heroic", "25 Normal", "25 Heroic"};
uint32_t diff = gh->getInstanceDifficulty();
lua_pushstring(L, (diff < 4) ? kDiff[diff] : "Normal"); // 4: difficultyName
lua_pushnumber(L, 5); // 5: maxPlayers (default 5-man)
return 5;
}
// GetInstanceDifficulty() → difficulty (1=normal, 2=heroic, 3=25normal, 4=25heroic)
static int lua_GetInstanceDifficulty(lua_State* L) {
auto* gh = getGameHandler(L);
lua_pushnumber(L, gh ? (gh->getInstanceDifficulty() + 1) : 1); // WoW returns 1-based
return 1;
}
// UnitClassification(unit) → "normal", "elite", "rareelite", "worldboss", "rare"
static int lua_UnitClassification(lua_State* L) {
auto* gh = getGameHandler(L);
@ -1586,6 +1622,9 @@ void LuaEngine::registerCoreAPI() {
{"UnitIsEnemy", lua_UnitIsEnemy},
{"UnitCreatureType", lua_UnitCreatureType},
{"UnitClassification", lua_UnitClassification},
{"IsInInstance", lua_IsInInstance},
{"GetInstanceInfo", lua_GetInstanceInfo},
{"GetInstanceDifficulty", lua_GetInstanceDifficulty},
// Container/bag API
{"GetContainerNumSlots", lua_GetContainerNumSlots},
{"GetContainerItemInfo", lua_GetContainerItemInfo},