issue-9: add classic sash gameplay support

src/common/item_length.h

@@ -113,6 +113,7 @@ enum ECostumeSubTypes
 {
 	COSTUME_BODY = ARMOR_BODY,			// [중요!!] ECostumeSubTypes enum value는  종류별로 EArmorSubTypes의 그것과 같아야 함.
 	COSTUME_HAIR = ARMOR_HEAD,			// 이는 코스츔 아이템에 추가 속성을 붙이겠다는 사업부의 요청에 따라서 기존 로직을 활용하기 위함임.
+	COSTUME_SASH = ARMOR_NUM_TYPES,
 	COSTUME_NUM_TYPES,
 };
 
@@ -325,6 +326,7 @@ enum EItemWearableFlag
 	WEARABLE_COSTUME_BODY			= (1 << 12),
 	WEARABLE_COSTUME_HAIR			= (1 << 13),
 	WEARABLE_BELT					= (1 << 14),
+	WEARABLE_COSTUME_SASH			= (1 << 15),
 };
 
 enum ELimitTypes

src/common/length.h

@@ -123,6 +123,7 @@ enum EWearPositions
 	WEAR_RING2,			// 22	: 신규 반지슬롯2 (오른쪽)
 
 	WEAR_BELT,			// 23	: 신규 벨트슬롯
+	WEAR_COSTUME_SASH,	// 24
 
 	WEAR_MAX = 32	// 
 };
@@ -233,6 +234,7 @@ enum EParts
 	PART_WEAPON,
 	PART_HEAD,
 	PART_HAIR,
+	PART_ACCE,
 
 	PART_MAX_NUM,
 	PART_WEAPON_SUB,

src/db/ProtoReader.cpp

@@ -122,7 +122,7 @@ int get_Item_SubType_Value(int type_value, string inputString)
 						"RESOURCE_STONE", "RESOURCE_METIN", "RESOURCE_ORE" };
 	static string arSub16[] = { "UNIQUE_NONE", "UNIQUE_BOOK", "UNIQUE_SPECIAL_RIDE", "UNIQUE_3", "UNIQUE_4", "UNIQUE_5",
 					"UNIQUE_6", "UNIQUE_7", "UNIQUE_8", "UNIQUE_9", "USE_SPECIAL"};
-	static string arSub28[] = { "COSTUME_BODY", "COSTUME_HAIR" };
+	static string arSub28[] = { "COSTUME_BODY", "COSTUME_HAIR", "COSTUME_SASH" };
 	static string arSub29[] = { "DS_SLOT1", "DS_SLOT2", "DS_SLOT3", "DS_SLOT4", "DS_SLOT5", "DS_SLOT6" };
 	static string arSub31[] = { "EXTRACT_DRAGON_SOUL", "EXTRACT_DRAGON_HEART" };
 	

src/game/char.cpp

@@ -973,6 +973,7 @@ void CHARACTER::EncodeInsertPacket(LPENTITY entity)
 		addPacket.awPart[CHR_EQUIPPART_WEAPON] = GetPart(PART_WEAPON);
 		addPacket.awPart[CHR_EQUIPPART_HEAD] = GetPart(PART_HEAD);
 		addPacket.awPart[CHR_EQUIPPART_HAIR] = GetPart(PART_HAIR);
+		addPacket.awPart[CHR_EQUIPPART_ACCE] = GetPart(PART_ACCE);
 
 		addPacket.bPKMode = m_bPKMode;
 		addPacket.dwMountVnum = GetMountVnum();
@@ -1110,6 +1111,7 @@ void CHARACTER::UpdatePacket()
 	pack.awPart[CHR_EQUIPPART_WEAPON] = GetPart(PART_WEAPON);
 	pack.awPart[CHR_EQUIPPART_HEAD] = GetPart(PART_HEAD);
 	pack.awPart[CHR_EQUIPPART_HAIR] = GetPart(PART_HAIR);
+	pack.awPart[CHR_EQUIPPART_ACCE] = GetPart(PART_ACCE);
 
 	pack.bMovingSpeed	= GetLimitPoint(POINT_MOV_SPEED);
 	pack.bAttackSpeed	= GetLimitPoint(POINT_ATT_SPEED);
@@ -1808,6 +1810,7 @@ void CHARACTER::SetPlayerProto(const TPlayerTable * t)
 
 	m_pointsInstant.bBasePart = t->part_base;
 	SetPart(PART_HAIR, t->parts[PART_HAIR]);
+	SetPart(PART_ACCE, t->parts[PART_ACCE]);
 
 	m_points.iRandomHP = t->sRandomHP;
 	m_points.iRandomSP = t->sRandomSP;
@@ -2310,6 +2313,7 @@ void CHARACTER::ComputePoints()
 	SetPart(PART_WEAPON, GetOriginalPart(PART_WEAPON));
 	SetPart(PART_HEAD, GetOriginalPart(PART_HEAD));
 	SetPart(PART_HAIR, GetOriginalPart(PART_HAIR));
+	SetPart(PART_ACCE, GetOriginalPart(PART_ACCE));
 
 	SetPoint(POINT_PARTY_ATTACKER_BONUS, lAttackerBonus);
 	SetPoint(POINT_PARTY_TANKER_BONUS, lTankerBonus);
@@ -4467,6 +4471,9 @@ WORD CHARACTER::GetOriginalPart(BYTE bPartPos) const
 		case PART_HAIR:
 			return GetPart(PART_HAIR);
 
+		case PART_ACCE:
+			return GetPart(PART_ACCE);
+
 		default:
 			return 0;
 	}

src/game/char_item.cpp

@@ -6706,7 +6706,7 @@ void CHARACTER::BuffOnAttr_ValueChange(BYTE bType, BYTE bOldValue, BYTE bNewValu
 				break;
 			case POINT_COSTUME_ATTR_BONUS:
 				{
-					static BYTE abSlot[] = { WEAR_COSTUME_BODY, WEAR_COSTUME_HAIR };
+					static BYTE abSlot[] = { WEAR_COSTUME_BODY, WEAR_COSTUME_HAIR, WEAR_COSTUME_SASH };
 					static std::vector <BYTE> vec_slots (abSlot, abSlot + _countof(abSlot));
 					pBuff = M2_NEW CBuffOnAttributes(this, bType, &vec_slots);
 				}

src/game/cmd.cpp

@@ -212,6 +212,7 @@ ACMD(do_teleport_system);
 ACMD(do_autopickup);
 ACMD(do_stone_queue);
 ACMD(do_switchbot);
+ACMD(do_sash);
 
 ACMD(do_click_mall);
 
@@ -473,6 +474,7 @@ struct command_info cmd_info[] =
 	{ "autopickup",			do_autopickup,			0,	POS_DEAD,	GM_PLAYER	},
 	{ "stone_queue",		do_stone_queue,			0,	POS_DEAD,	GM_PLAYER	},
 	{ "switchbot",			do_switchbot,			0,	POS_DEAD,	GM_PLAYER	},
+	{ "sash",				do_sash,				0,	POS_DEAD,	GM_PLAYER	},
 	{ "siege",				do_siege,				0,	POS_DEAD,	GM_LOW_WIZARD	},
 	{ "temp",				do_temp,				0,	POS_DEAD,	GM_IMPLEMENTOR	},
 	{ "frog",				do_frog,				0,	POS_DEAD,	GM_HIGH_WIZARD	},

src/game/cmd_general.cpp

@@ -2124,6 +2124,161 @@ ACMD(do_switchbot)
 		ch->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("Unable to start switchbot slot."));
 }
 
+static bool FN_is_sash_item(LPITEM item)
+{
+	return item && item->GetType() == ITEM_COSTUME && item->GetSubType() == COSTUME_SASH;
+}
+
+static bool FN_is_sash_absorb_source(LPITEM item)
+{
+	if (!item)
+		return false;
+
+	if (item->GetType() == ITEM_WEAPON)
+		return item->GetSubType() != WEAPON_ARROW;
+
+	if (item->GetType() != ITEM_ARMOR)
+		return false;
+
+	switch (item->GetSubType())
+	{
+		case ARMOR_BODY:
+		case ARMOR_HEAD:
+		case ARMOR_SHIELD:
+		case ARMOR_WRIST:
+		case ARMOR_FOOTS:
+		case ARMOR_NECK:
+		case ARMOR_EAR:
+			return true;
+	}
+
+	return false;
+}
+
+static void FN_set_sash_attrs_from_source(LPITEM sash, LPITEM source, int absorbPct)
+{
+	struct SAttrEntry
+	{
+		BYTE type;
+		short value;
+	};
+
+	std::vector<SAttrEntry> attrs;
+	const TItemTable* proto = source->GetProto();
+	if (!proto)
+		return;
+
+	for (int i = 0; i < ITEM_APPLY_MAX_NUM; ++i)
+	{
+		const TItemApply& apply = proto->aApplies[i];
+		if (apply.bType == APPLY_NONE || apply.lValue == 0)
+			continue;
+
+		long scaled = (apply.lValue * absorbPct) / 100;
+		if (scaled == 0)
+			scaled = (apply.lValue > 0) ? 1 : -1;
+
+		attrs.push_back({ apply.bType, static_cast<short>(scaled) });
+		if (attrs.size() >= ITEM_ATTRIBUTE_MAX_NUM)
+			break;
+	}
+
+	for (int i = 0; i < source->GetAttributeCount() && attrs.size() < ITEM_ATTRIBUTE_MAX_NUM; ++i)
+	{
+		const TPlayerItemAttribute& attr = source->GetAttribute(i);
+		if (!attr.bType || !attr.sValue)
+			continue;
+
+		bool duplicated = false;
+		for (size_t j = 0; j < attrs.size(); ++j)
+		{
+			if (attrs[j].type == attr.bType)
+			{
+				duplicated = true;
+				break;
+			}
+		}
+
+		if (duplicated)
+			continue;
+
+		long scaled = (attr.sValue * absorbPct) / 100;
+		if (scaled == 0)
+			scaled = (attr.sValue > 0) ? 1 : -1;
+
+		attrs.push_back({ attr.bType, static_cast<short>(scaled) });
+	}
+
+	sash->ClearAttribute();
+	for (size_t i = 0; i < attrs.size(); ++i)
+		sash->SetForceAttribute(static_cast<int>(i), attrs[i].type, attrs[i].value);
+}
+
+ACMD(do_sash)
+{
+	char action[256];
+	argument = one_argument(argument, action, sizeof(action));
+
+	if (strcmp(action, "absorb"))
+	{
+		ch->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("Usage: /sash absorb <sash_slot> <item_slot>"));
+		return;
+	}
+
+	char sashArg[256];
+	char sourceArg[256];
+	argument = one_argument(argument, sashArg, sizeof(sashArg));
+	argument = one_argument(argument, sourceArg, sizeof(sourceArg));
+
+	int sashCell = -1;
+	int sourceCell = -1;
+	str_to_number(sashCell, sashArg);
+	str_to_number(sourceCell, sourceArg);
+
+	if (sashCell < 0 || sashCell >= INVENTORY_MAX_NUM || sourceCell < 0 || sourceCell >= INVENTORY_MAX_NUM || sashCell == sourceCell)
+	{
+		ch->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("Invalid sash slots."));
+		return;
+	}
+
+	LPITEM sash = ch->GetInventoryItem(sashCell);
+	LPITEM source = ch->GetInventoryItem(sourceCell);
+
+	if (!FN_is_sash_item(sash))
+	{
+		ch->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("The selected item is not a sash."));
+		return;
+	}
+
+	if (!FN_is_sash_absorb_source(source))
+	{
+		ch->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("This item cannot be absorbed by a sash."));
+		return;
+	}
+
+	if (sash->IsEquipped() || source->IsEquipped())
+	{
+		ch->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("Unequip items before absorbing bonuses."));
+		return;
+	}
+
+	if (sash->GetSocket(0) != 0)
+	{
+		ch->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("This sash already has absorbed bonuses."));
+		return;
+	}
+
+	int absorbPct = MINMAX(1, static_cast<int>(sash->GetValue(0)), 100);
+	FN_set_sash_attrs_from_source(sash, source, absorbPct);
+
+	sash->SetSocket(0, source->GetVnum());
+	sash->SetSocket(1, absorbPct);
+	sash->SetSocket(2, static_cast<int32_t>(source->GetID()));
+
+	source->SetCount(0);
+	ch->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("The sash absorbed bonuses successfully."));
+}
+
 ACMD(do_in_game_mall)
 {
 	if (LC_IsYMIR() == true || LC_IsKorea() == true)

src/game/item.cpp

@@ -523,6 +523,8 @@ int CItem::FindEquipCell(LPCHARACTER ch, int iCandidateCell)
 			return WEAR_COSTUME_BODY;
 		else if (GetSubType() == COSTUME_HAIR)
 			return WEAR_COSTUME_HAIR;
+		else if (GetSubType() == COSTUME_SASH)
+			return WEAR_COSTUME_SASH;
 	}
 	else if (GetType() == ITEM_RING)
 	{
@@ -781,6 +783,11 @@ void CItem::ModifyPoints(bool bAdd)
 					// [NOTE] 갑옷은 아이템 vnum을 보내고 헤어는 shape(value3)값을 보내는 이유는.. 기존 시스템이 그렇게 되어있음...
 					toSetValue = (true == bAdd) ? this->GetValue(3) : 0;
 				}
+				else if (GetSubType() == COSTUME_SASH)
+				{
+					toSetPart = PART_ACCE;
+					toSetValue = (true == bAdd) ? this->GetVnum() : 0;
+				}
 
 				if (PART_MAX_NUM != toSetPart)
 				{

src/game/packet_structs.h

@@ -583,6 +583,7 @@ enum ECharacterEquipmentPart
 	CHR_EQUIPPART_WEAPON,
 	CHR_EQUIPPART_HEAD,
 	CHR_EQUIPPART_HAIR,
+	CHR_EQUIPPART_ACCE,
 	CHR_EQUIPPART_NUM,
 };