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feat: add GetItemQualityColor, GetItemCount, and UseContainerItem

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GetItemQualityColor(quality) returns r, g, b, hexString for item
quality coloring (Poor=gray through Heirloom=cyan). Used by bag
addons, tooltips, and item frames to color item names/borders.

GetItemCount(itemId) counts total stacks across backpack + bags.
Used by addons to check material availability, quest item counts,
and consumable tracking.

UseContainerItem(bag, slot) uses/equips an item from a container
slot, delegating to useItemById for the actual equip/use action.
This commit is contained in:
Kelsi 2026-03-22 17:01:16 -07:00
parent e4da47b0d7
commit 4e04050f91
1 changed files with 73 additions and 0 deletions
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73
src/addons/lua_engine.cpp
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@ -1811,6 +1811,76 @@ static int lua_GetItemInfo(lua_State* L) {
return 11;
}
// GetItemQualityColor(quality) → r, g, b, hex
// Quality: 0=Poor(gray), 1=Common(white), 2=Uncommon(green), 3=Rare(blue),
// 4=Epic(purple), 5=Legendary(orange), 6=Artifact(gold), 7=Heirloom(gold)
static int lua_GetItemQualityColor(lua_State* L) {
int q = static_cast<int>(luaL_checknumber(L, 1));
struct QC { float r, g, b; const char* hex; };
static const QC colors[] = {
{0.62f, 0.62f, 0.62f, "ff9d9d9d"}, // 0 Poor
{1.00f, 1.00f, 1.00f, "ffffffff"}, // 1 Common
{0.12f, 1.00f, 0.00f, "ff1eff00"}, // 2 Uncommon
{0.00f, 0.44f, 0.87f, "ff0070dd"}, // 3 Rare
{0.64f, 0.21f, 0.93f, "ffa335ee"}, // 4 Epic
{1.00f, 0.50f, 0.00f, "ffff8000"}, // 5 Legendary
{0.90f, 0.80f, 0.50f, "ffe6cc80"}, // 6 Artifact
{0.00f, 0.80f, 1.00f, "ff00ccff"}, // 7 Heirloom
};
if (q < 0 || q > 7) q = 1;
lua_pushnumber(L, colors[q].r);
lua_pushnumber(L, colors[q].g);
lua_pushnumber(L, colors[q].b);
lua_pushstring(L, colors[q].hex);
return 4;
}
// GetItemCount(itemId [, includeBank]) → count
static int lua_GetItemCount(lua_State* L) {
auto* gh = getGameHandler(L);
if (!gh) { lua_pushnumber(L, 0); return 1; }
uint32_t itemId = static_cast<uint32_t>(luaL_checknumber(L, 1));
const auto& inv = gh->getInventory();
uint32_t count = 0;
// Backpack
for (int i = 0; i < inv.getBackpackSize(); ++i) {
const auto& s = inv.getBackpackSlot(i);
if (!s.empty() && s.item.itemId == itemId)
count += (s.item.stackCount > 0 ? s.item.stackCount : 1);
}
// Bags 1-4
for (int b = 0; b < game::Inventory::NUM_BAG_SLOTS; ++b) {
int sz = inv.getBagSize(b);
for (int i = 0; i < sz; ++i) {
const auto& s = inv.getBagSlot(b, i);
if (!s.empty() && s.item.itemId == itemId)
count += (s.item.stackCount > 0 ? s.item.stackCount : 1);
}
}
lua_pushnumber(L, count);
return 1;
}
// UseContainerItem(bag, slot) — use/equip an item from a bag
static int lua_UseContainerItem(lua_State* L) {
auto* gh = getGameHandler(L);
if (!gh) return 0;
int bag = static_cast<int>(luaL_checknumber(L, 1));
int slot = static_cast<int>(luaL_checknumber(L, 2));
const auto& inv = gh->getInventory();
const game::ItemSlot* itemSlot = nullptr;
if (bag == 0 && slot >= 1 && slot <= inv.getBackpackSize())
itemSlot = &inv.getBackpackSlot(slot - 1);
else if (bag >= 1 && bag <= 4) {
int sz = inv.getBagSize(bag - 1);
if (slot >= 1 && slot <= sz)
itemSlot = &inv.getBagSlot(bag - 1, slot - 1);
}
if (itemSlot && !itemSlot->empty())
gh->useItemById(itemSlot->item.itemId);
return 0;
}
// --- Locale/Build/Realm info ---
static int lua_GetLocale(lua_State* L) {
@ -4433,6 +4503,9 @@ void LuaEngine::registerCoreAPI() {
{"GetSpellInfo", lua_GetSpellInfo},
{"GetSpellTexture", lua_GetSpellTexture},
{"GetItemInfo", lua_GetItemInfo},
{"GetItemQualityColor", lua_GetItemQualityColor},
{"GetItemCount", lua_GetItemCount},
{"UseContainerItem", lua_UseContainerItem},
{"GetLocale", lua_GetLocale},
{"GetBuildInfo", lua_GetBuildInfo},
{"GetCurrentMapAreaID", lua_GetCurrentMapAreaID},