[ClientCommand] Add give command

Just for weapons for now

src/Components/Modules/ClientCommand.cpp

@@ -245,6 +245,82 @@ namespace Components
 			assert(ent != nullptr);
 			ent->client->ps.stunTime = 1000 + Game::level->time; // 1000 is the default test stun time
 		});
+
+		ClientCommand::Add("give", [](Game::gentity_s* ent, [[maybe_unused]] Command::ServerParams* params)
+		{
+			if (!ClientCommand::CheatsOk(ent))
+				return;
+
+			if (params->size() < 2)
+			{
+				Game::SV_GameSendServerCommand(ent->s.number, Game::SV_CMD_CAN_IGNORE,
+					Utils::String::VA("%c \"GAME_USAGE\x15: give weapon\n\"", 0x65));
+				return;
+			}
+
+			Game::level->initializing = 1;
+			const auto* weaponName = params->get(1);
+			const auto weaponIndex = Game::G_GetWeaponIndexForName(weaponName);
+
+			if (weaponIndex == 0)
+			{
+				Game::level->initializing = 0;
+				return;
+			}
+
+			if (Game::BG_GetWeaponDef(weaponIndex)->inventoryType == Game::weapInventoryType_t::WEAPINVENTORY_ALTMODE)
+			{
+				Game::Com_PrintError(Game::CON_CHANNEL_ERROR,
+					"You can't directly spawn the altfire weapon '%s'. Spawn a weapon that has this altmode instead.\n", weaponName);
+				Game::level->initializing = 0;
+				return;
+			}
+
+			auto* weapEnt = Game::G_Spawn();
+			Utils::VectorCopy(weapEnt->r.currentOrigin, ent->r.currentOrigin);
+			Game::G_GetItemClassname(static_cast<int>(weaponIndex), weapEnt);
+			Game::G_SpawnItem(weapEnt, static_cast<int>(weaponIndex));
+
+			weapEnt->active = 1;
+			const auto offHandClass = Game::BG_GetWeaponDef(weaponIndex)->offhandClass;
+			if (offHandClass != Game::OFFHAND_CLASS_NONE)
+			{
+				auto* client = ent->client;
+				if ((client->ps.weapCommon.offhandPrimary != offHandClass) && (client->ps.weapCommon.offhandSecondary != offHandClass))
+				{
+					switch (offHandClass)
+					{
+					case Game::OFFHAND_CLASS_FRAG_GRENADE:
+					case Game::OFFHAND_CLASS_THROWINGKNIFE:
+					case Game::OFFHAND_CLASS_OTHER:
+						client->ps.weapCommon.offhandPrimary = offHandClass;
+						break;
+					default:
+						client->ps.weapCommon.offhandSecondary = offHandClass;
+						break;
+					}
+				}
+			}
+
+			Game::Touch_Item(weapEnt, ent, 0);
+			weapEnt->active = 0;
+
+			if (weapEnt->r.isInUse)
+			{
+				Game::G_FreeEntity(weapEnt);
+			}
+
+			Game::level->initializing = 0;
+
+			for (std::size_t i = 0; i < std::extent_v<decltype(Game::playerState_s::weaponsEquipped)>; ++i)
+			{
+				const auto index = ent->client->ps.weaponsEquipped[i];
+				if (index != 0)
+				{
+					Game::Add_Ammo(ent, index, 0, 998, 1);
+				}
+			}
+		});
 	}
 
 	void ClientCommand::AddScriptFunctions()

src/Components/Modules/Gamepad.cpp

@@ -373,7 +373,7 @@ namespace Components
 		if (!ps->weapIndex)
 			return false;
 
-		const auto* weaponDef = Game::BG_GetWeaponDef(ps->weapIndex);
+		const auto* weaponDef = Game::BG_GetWeaponDef(static_cast<std::uint32_t>(ps->weapIndex));
 
 		return weaponDef->offhandClass != Game::OFFHAND_CLASS_NONE;
 	}
@@ -448,7 +448,7 @@ namespace Components
 		if (!AimAssist_IsLockonActive(input->localClientNum))
 			return;
 
-		const auto* weaponDef = Game::BG_GetWeaponDef(aaGlob.ps.weapIndex);
+		const auto* weaponDef = Game::BG_GetWeaponDef(static_cast<std::uint32_t>(aaGlob.ps.weapIndex));
 		if (weaponDef->requireLockonToFire)
 			return;
 
@@ -532,7 +532,7 @@ namespace Components
 		if (!ps->weapIndex)
 			return false;
 
-		const auto* weaponDef = Game::BG_GetWeaponDef(ps->weapIndex);
+		const auto* weaponDef = Game::BG_GetWeaponDef(static_cast<std::uint32_t>(ps->weapIndex));
 		if (weaponDef->requireLockonToFire)
 			return false;
 
@@ -565,7 +565,7 @@ namespace Components
 		if (!AimAssist_IsSlowdownActive(&aaGlob.ps))
 			return;
 
-		const auto* weaponDef = Game::BG_GetWeaponDef(aaGlob.ps.weapIndex);
+		const auto* weaponDef = Game::BG_GetWeaponDef(static_cast<std::uint32_t>(aaGlob.ps.weapIndex));
 		const auto aimAssistRange = AimAssist_Lerp(weaponDef->aimAssistRange, weaponDef->aimAssistRangeAds, aaGlob.adsLerp) * aim_aimAssistRangeScale.get<float>();
 		const auto screenTarget = AimAssist_GetBestTarget(&aaGlob, aimAssistRange, aaGlob.tweakables.slowdownRegionWidth, aaGlob.tweakables.slowdownRegionHeight);
 

src/Game/Functions.cpp

@@ -68,6 +68,7 @@ namespace Game
 
 	Com_Error_t Com_Error = Com_Error_t(0x4B22D0);
 	Com_Printf_t Com_Printf = Com_Printf_t(0x402500);
+	Com_PrintError_t Com_PrintError = Com_PrintError_t(0x4F8C70);
 	Com_PrintMessage_t Com_PrintMessage = Com_PrintMessage_t(0x4AA830);
 	Com_EndParseSession_t Com_EndParseSession = Com_EndParseSession_t(0x4B80B0);
 	Com_BeginParseSession_t Com_BeginParseSession = Com_BeginParseSession_t(0x4AAB80);
@@ -156,6 +157,10 @@ namespace Game
 	G_LogPrintf_t G_LogPrintf = G_LogPrintf_t(0x4B0150);
 	G_GetWeaponIndexForName_t G_GetWeaponIndexForName = G_GetWeaponIndexForName_t(0x49E540);
 	G_SpawnEntitiesFromString_t G_SpawnEntitiesFromString = G_SpawnEntitiesFromString_t(0x4D8840);
+	G_Spawn_t G_Spawn = G_Spawn_t(0x4226F0);
+	G_FreeEntity_t G_FreeEntity = G_FreeEntity_t(0x44C9D0);
+	G_SpawnItem_t G_SpawnItem = G_SpawnItem_t(0x403770);
+	G_GetItemClassname_t G_GetItemClassname = G_GetItemClassname_t(0x492630);
 	G_PrintEntities_t G_PrintEntities = G_PrintEntities_t(0x4E6A50);
 	G_GetEntityTypeName_t G_GetEntityTypeName = G_GetEntityTypeName_t(0x4EB810);
 
@@ -431,6 +436,10 @@ namespace Game
 	IN_Init_t IN_Init = IN_Init_t(0x45D620);
 	IN_Shutdown_t IN_Shutdown = IN_Shutdown_t(0x426360);
 
+	Touch_Item_t Touch_Item = Touch_Item_t(0x44FA20);
+
+	Add_Ammo_t Add_Ammo = Add_Ammo_t(0x4E1480);
+  
 	ClientUserinfoChanged_t ClientUserinfoChanged = ClientUserinfoChanged_t(0x445240);
 
 	XAssetHeader* DB_XAssetPool = reinterpret_cast<XAssetHeader*>(0x7998A8);

src/Game/Functions.hpp

@@ -40,7 +40,7 @@ namespace Game
 	typedef void*(__cdecl * BG_LoadWeaponDef_LoadObj_t)(const char* filename);
 	extern BG_LoadWeaponDef_LoadObj_t BG_LoadWeaponDef_LoadObj;
 
-	typedef WeaponDef* (__cdecl * BG_GetWeaponDef_t)(int weaponIndex);
+	typedef WeaponDef*(__cdecl * BG_GetWeaponDef_t)(unsigned int weaponIndex);
 	extern BG_GetWeaponDef_t BG_GetWeaponDef;
 
 	typedef const char*(__cdecl * BG_GetEntityTypeName_t)(const int eType);
@@ -139,6 +139,9 @@ namespace Game
 	typedef void(__cdecl * Com_Printf_t)(int channel, const char *fmt, ...);
 	extern Com_Printf_t Com_Printf;
 
+	typedef void(__cdecl * Com_PrintError_t)(int channel, const char* fmt, ...);
+	extern Com_PrintError_t Com_PrintError;
+
 	typedef void(__cdecl * Com_PrintMessage_t)(int channel, const char *msg, int error);
 	extern Com_PrintMessage_t Com_PrintMessage;
 
@@ -389,6 +392,18 @@ namespace Game
 	typedef void(__cdecl * G_SpawnEntitiesFromString_t)();
 	extern G_SpawnEntitiesFromString_t G_SpawnEntitiesFromString;
 
+	typedef gentity_s*(__cdecl * G_Spawn_t)();
+	extern G_Spawn_t G_Spawn;
+
+	typedef void(__cdecl * G_FreeEntity_t)(gentity_s* ed);
+	extern G_FreeEntity_t G_FreeEntity;
+
+	typedef void(__cdecl * G_SpawnItem_t)(gentity_s* ent, int item);
+	extern G_SpawnItem_t G_SpawnItem;
+
+	typedef void(__cdecl * G_GetItemClassname_t)(int item, gentity_s* ent);
+	extern G_GetItemClassname_t G_GetItemClassname;
+
 	typedef void(__cdecl * G_PrintEntities_t)();
 	extern G_PrintEntities_t G_PrintEntities;
 
@@ -1029,6 +1044,12 @@ namespace Game
 	typedef void(__cdecl * IN_Shutdown_t)();
 	extern IN_Shutdown_t IN_Shutdown;
 
+	typedef void(__cdecl * Touch_Item_t)(gentity_s* ent, gentity_s* other, int touched);
+	extern Touch_Item_t Touch_Item;
+
+	typedef void(__cdecl * Add_Ammo_t)(gentity_s* ent, unsigned int weaponIndex, unsigned char weaponModel, int count, int fillClip);
+	extern Add_Ammo_t Add_Ammo;
+
 	typedef void(__cdecl * ClientUserinfoChanged_t)(int clientNum);
 	extern ClientUserinfoChanged_t ClientUserinfoChanged;
 

src/Utils/Utils.hpp

@@ -127,4 +127,7 @@ namespace Utils
 		mutable std::recursive_mutex mutex;
 		std::vector<Slot<T>> slots;
 	};
+
+	template <typename T>
+	constexpr auto VectorCopy(T a, T b) { b[0] = a[0]; b[1] = a[1]; b[2] = a[2]; }
 }