feat(ui): implement Script_UnitXPMax

src/object/client/CGObject.cpp

@@ -36,6 +36,14 @@ OBJECT_TYPE_ID CGObject::GetTypeID() const {
     return this->m_typeID;
 }
 
+int32_t CGObject::IsA(OBJECT_TYPE type) const {
+    return (this->GetType() & type) != 0;
+}
+
+int32_t CGObject::IsExactlyA(OBJECT_TYPE_ID typeID) const {
+    return this->m_typeID == typeID;
+}
+
 CGObjectData* CGObject::Obj() const {
     return this->m_obj;
 }

src/object/client/CGObject.hpp

@@ -31,6 +31,8 @@ class CGObject {
         WOWGUID GetGUID() const;
         OBJECT_TYPE GetType() const;
         OBJECT_TYPE_ID GetTypeID() const;
+        int32_t IsA(OBJECT_TYPE type) const;
+        int32_t IsExactlyA(OBJECT_TYPE_ID typeID) const;
 
     protected:
         // Protected member variables

src/object/client/CGPlayer.cpp

@@ -41,6 +41,14 @@ uint32_t CGPlayer::TotalRemoteFieldsSaved() {
     return CGPlayer::GetBaseOffsetSaved() + 173;
 }
 
+uint32_t CGPlayer::GetNextLevelXP() const {
+    return this->Player()->nextLevelXP;
+}
+
+uint32_t CGPlayer::GetXP() const {
+    return this->Player()->xp;
+}
+
 CGPlayerData* CGPlayer::Player() const {
     return this->m_player;
 }

src/object/client/CGPlayer.hpp

@@ -148,6 +148,10 @@ class CGPlayer {
         static uint32_t TotalFieldsSaved();
         static uint32_t TotalRemoteFieldsSaved();
 
+        // Public member functions
+        uint32_t GetNextLevelXP() const;
+        uint32_t GetXP() const;
+
     protected:
         // Protected member variables
         CGPlayerData* m_player;

src/object/client/CGPlayer_C.cpp

@@ -1,5 +1,6 @@
 #include "object/client/CGPlayer_C.hpp"
 #include "db/Db.hpp"
+#include "object/client/ObjMgr.hpp"
 #include "object/Types.hpp"
 #include <storm/Error.hpp>
 
@@ -11,6 +12,22 @@ CGPlayer_C::~CGPlayer_C() {
     // TODO
 }
 
+uint32_t CGPlayer_C::GetActiveNextLevelXP() const {
+    if (this->GetGUID() != ClntObjMgrGetActivePlayer()) {
+        return 0;
+    }
+
+    return this->GetNextLevelXP();
+}
+
+uint32_t CGPlayer_C::GetActiveXP() const {
+    if (this->GetGUID() != ClntObjMgrGetActivePlayer()) {
+        return 0;
+    }
+
+    return this->GetXP();
+}
+
 void CGPlayer_C::PostInit(uint32_t time, const CClientObjCreate& init, bool a4) {
     // TODO
 

src/object/client/CGPlayer_C.hpp

@@ -15,6 +15,8 @@ class CGPlayer_C : public CGUnit_C, public CGPlayer {
 
         // Public member functions
         CGPlayer_C(uint32_t time, CClientObjCreate& objCreate);
+        uint32_t GetActiveNextLevelXP() const;
+        uint32_t GetActiveXP() const;
         void PostInit(uint32_t time, const CClientObjCreate& init, bool a4);
         void SetStorage(uint32_t* storage, uint32_t* saved);
 };

src/ui/game/ScriptEvents.cpp

@@ -173,11 +173,43 @@ int32_t Script_UnitPVPName(lua_State* L) {
 }
 
 int32_t Script_UnitXP(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    if (!lua_isstring(L, 1)) {
+        luaL_error(L, "Usage: UnitXP(\"unit\")");
+        return 0;
+    }
+
+    auto name = lua_tostring(L, 1);
+    auto unit = Script_GetUnitFromName(name);
+
+    float xp = 0.0f;
+
+    if (unit && unit->IsA(TYPE_PLAYER)) {
+        xp = static_cast<CGPlayer_C*>(unit)->GetActiveXP();
+    }
+
+    lua_pushnumber(L, xp);
+
+    return 1;
 }
 
 int32_t Script_UnitXPMax(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    if (!lua_isstring(L, 1)) {
+        luaL_error(L, "Usage: UnitXPMax(\"unit\")");
+        return 0;
+    }
+
+    auto name = lua_tostring(L, 1);
+    auto unit = Script_GetUnitFromName(name);
+
+    float xpMax = 0.0f;
+
+    if (unit && unit->IsA(TYPE_PLAYER)) {
+        xpMax = static_cast<CGPlayer_C*>(unit)->GetActiveNextLevelXP();
+    }
+
+    lua_pushnumber(L, xpMax);
+
+    return 1;
 }
 
 int32_t Script_UnitHealth(lua_State* L) {

src/ui/game/ScriptUtil.cpp

@@ -12,6 +12,16 @@ bool ParseTrailingTokens(const char* token, WOWGUID& guid, CGPlayer_C* player) {
 
 }
 
+CGUnit_C* Script_GetUnitFromName(const char* name) {
+    WOWGUID guid;
+
+    if (!Script_GetGUIDFromToken(name, guid, false)) {
+        return nullptr;
+    }
+
+    return static_cast<CGUnit_C*>(ClntObjMgrObjectPtr(guid, TYPE_UNIT, __FILE__, __LINE__));
+}
+
 bool Script_GetGUIDFromString(const char*& token, WOWGUID& guid) {
     // TODO
     return true;

src/ui/game/ScriptUtil.hpp

@@ -3,6 +3,10 @@
 
 #include "util/GUID.hpp"
 
+class CGUnit_C;
+
+CGUnit_C* Script_GetUnitFromName(const char* name);
+
 bool Script_GetGUIDFromString(const char*& token, WOWGUID& guid);
 
 bool Script_GetGUIDFromToken(const char* token, WOWGUID& guid, bool defaultToTarget);