Allow buy from npc shop or from market more than one of item at one transaction.

8 files changed, 121 insertions, 0 deletions

diff --git a/src/net/eathena/cashshophandler.cpp b/src/net/eathena/cashshophandler.cpp
index 5bb54b119..9dcbe208a 100644
--- a/src/net/eathena/cashshophandler.cpp
+++ b/src/net/eathena/cashshophandler.cpp
@@ -50,6 +50,11 @@ void CashShopHandler::buyItem(const int points,
     outMsg.writeInt16(static_cast<int16_t>(itemId), "item id");
 }
 
+void CashShopHandler::buyItems(std::vector<ShopItem*> &items A_UNUSED) const
+{
+    // +++ probably need impliment buy many items at same time
+}
+
 void CashShopHandler::close() const
 {
     createOutPacket(CMSG_NPC_CASH_SHOP_CLOSE);
diff --git a/src/net/eathena/cashshophandler.h b/src/net/eathena/cashshophandler.h
index 099aa3e92..132d019b8 100644
--- a/src/net/eathena/cashshophandler.h
+++ b/src/net/eathena/cashshophandler.h
@@ -39,6 +39,8 @@ class CashShopHandler final : public Net::CashShopHandler
                      const ItemColor color,
                      const int amount) const override final;
 
+        void buyItems(std::vector<ShopItem*> &items) const override final;
+
         void close() const override final;
 
         void requestPoints() const override final;
diff --git a/src/net/eathena/markethandler.cpp b/src/net/eathena/markethandler.cpp
index b96e5b588..47aa05418 100644
--- a/src/net/eathena/markethandler.cpp
+++ b/src/net/eathena/markethandler.cpp
@@ -18,6 +18,8 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "shopitem.h"
+
 #include "net/eathena/markethandler.h"
 
 #include "net/eathena/marketrecv.h"
@@ -62,4 +64,54 @@ void MarketHandler::buyItem(const int itemId,
     }
 }
 
+void MarketHandler::buyItems(std::vector<ShopItem*> &items) const
+{
+    int cnt = 0;
+    const int pairSize = 6;
+
+    FOR_EACH (std::vector<ShopItem*>::iterator, it, items)
+    {
+        ShopItem *const item = *it;
+        const int usedQuantity = item->getUsedQuantity();
+        const int type = item->getType();
+        if (!usedQuantity)
+            continue;
+        if (type == 4 || type == 5 || type == 7 || type == 8)
+            cnt += item->getUsedQuantity();
+        else
+            cnt ++;
+    }
+
+    if (cnt > 100)
+        return;
+
+    createOutPacket(CMSG_NPC_MARKET_BUY);
+    outMsg.writeInt16(static_cast<int16_t>(4 + pairSize * cnt), "len");
+    FOR_EACH (std::vector<ShopItem*>::iterator, it, items)
+    {
+        ShopItem *const item = *it;
+        const int usedQuantity = item->getUsedQuantity();
+        if (!usedQuantity)
+            continue;
+        item->increaseQuantity(usedQuantity);
+        item->increaseUsedQuantity(-usedQuantity);
+        item->update();
+        const int type = item->getType();
+        if (type == 4 || type == 5 || type == 7 || type == 8)
+        {
+            for (int f = 0; f < usedQuantity; f ++)
+            {
+                outMsg.writeInt16(static_cast<int16_t>(item->getId()),
+                    "item id");
+                outMsg.writeInt32(static_cast<int16_t>(1), "amount");
+            }
+        }
+        else
+        {
+            outMsg.writeInt16(static_cast<int16_t>(item->getId()), "item id");
+            outMsg.writeInt32(static_cast<int16_t>(usedQuantity), "amount");
+        }
+    }
+}
+
 }  // namespace EAthena
diff --git a/src/net/eathena/markethandler.h b/src/net/eathena/markethandler.h
index 30d1eb2b1..bcc59e351 100644
--- a/src/net/eathena/markethandler.h
+++ b/src/net/eathena/markethandler.h
@@ -39,6 +39,8 @@ class MarketHandler final : public Net::MarketHandler
                      const int type,
                      const ItemColor color,
                      const int amount) const override final;
+
+        void buyItems(std::vector<ShopItem*> &items) const override final;
 };
 
 }  // namespace EAthena
diff --git a/src/net/eathena/npchandler.cpp b/src/net/eathena/npchandler.cpp
index c84c0cab6..dc01d512c 100644
--- a/src/net/eathena/npchandler.cpp
+++ b/src/net/eathena/npchandler.cpp
@@ -22,6 +22,8 @@
 
 #include "net/eathena/npchandler.h"
 
+#include "shopitem.h"
+
 #include "being/localplayer.h"
 
 #include "gui/windows/npcdialog.h"
@@ -130,6 +132,55 @@ void NpcHandler::buyItem(const BeingId beingId A_UNUSED,
     outMsg.writeInt16(static_cast<int16_t>(itemId), "item id");
 }
 
+void NpcHandler::buyItems(std::vector<ShopItem*> &items) const
+{
+    int cnt = 0;
+    const int pairSize = 4;
+
+    FOR_EACH (std::vector<ShopItem*>::iterator, it, items)
+    {
+        ShopItem *const item = *it;
+        const int usedQuantity = item->getUsedQuantity();
+        const int type = item->getType();
+        if (!usedQuantity)
+            continue;
+        if (type == 4 || type == 5 || type == 7 || type == 8)
+            cnt += item->getUsedQuantity();
+        else
+            cnt ++;
+    }
+
+    if (cnt > 100)
+        return;
+
+    createOutPacket(CMSG_NPC_BUY_REQUEST);
+    outMsg.writeInt16(static_cast<int16_t>(4 + pairSize * cnt), "len");
+    FOR_EACH (std::vector<ShopItem*>::iterator, it, items)
+    {
+        ShopItem *const item = *it;
+        const int usedQuantity = item->getUsedQuantity();
+        if (!usedQuantity)
+            continue;
+        item->increaseUsedQuantity(-usedQuantity);
+        item->update();
+        const int type = item->getType();
+        if (type == 4 || type == 5 || type == 7 || type == 8)
+        {
+            for (int f = 0; f < usedQuantity; f ++)
+            {
+                outMsg.writeInt16(static_cast<int16_t>(1), "amount");
+                outMsg.writeInt16(static_cast<int16_t>(item->getId()),
+                    "item id");
+            }
+        }
+        else
+        {
+            outMsg.writeInt16(static_cast<int16_t>(usedQuantity), "amount");
+            outMsg.writeInt16(static_cast<int16_t>(item->getId()), "item id");
+        }
+    }
+}
+
 void NpcHandler::sellItem(const BeingId beingId A_UNUSED,
                           const int itemId, const int amount) const
 {
diff --git a/src/net/eathena/npchandler.h b/src/net/eathena/npchandler.h
index b1ef9128d..608c7d775 100644
--- a/src/net/eathena/npchandler.h
+++ b/src/net/eathena/npchandler.h
@@ -59,6 +59,8 @@ class NpcHandler final : public Ea::NpcHandler
                      const ItemColor color,
                      const int amount) const override final;
 
+        void buyItems(std::vector<ShopItem*> &items) const override final;
+
         void sellItem(const BeingId beingId,
                       const int itemId,
                       const int amount) const override final;
diff --git a/src/net/eathena/serverfeatures.cpp b/src/net/eathena/serverfeatures.cpp
index b3f4b7814..fbc97b97e 100644
--- a/src/net/eathena/serverfeatures.cpp
+++ b/src/net/eathena/serverfeatures.cpp
@@ -245,4 +245,9 @@ bool ServerFeatures::haveExtendedRiding() const
     return serverVersion >= 9;
 }
 
+bool ServerFeatures::haveAdvancedBuySell() const
+{
+    return true;
+}
+
 }  // namespace EAthena
diff --git a/src/net/eathena/serverfeatures.h b/src/net/eathena/serverfeatures.h
index b1fc7c74e..6bb2176ae 100644
--- a/src/net/eathena/serverfeatures.h
+++ b/src/net/eathena/serverfeatures.h
@@ -117,6 +117,8 @@ class ServerFeatures final : public Net::ServerFeatures
         bool haveAdvancedSprites() const override final;
 
         bool haveExtendedRiding() const override final;
+
+        bool haveAdvancedBuySell() const override final;
 };
 
 }  // namespace EAthena