add ability to give more than one item to npc. (evol only)

5 files changed, 53 insertions, 10 deletions

diff --git a/src/gui/windows/npcdialog.cpp b/src/gui/windows/npcdialog.cpp
index 1c2a6cc1d..36f7bedc8 100644
--- a/src/gui/windows/npcdialog.cpp
+++ b/src/gui/windows/npcdialog.cpp
@@ -360,16 +360,38 @@ void NpcDialog::action(const gcn::ActionEvent &event)
                     if (!client->limitPackets(PACKET_NPC_INPUT))
                         return;
 
-                    const Item *const item = mInventory->getItem(0);
                     std::string str;
-                    if (item)
+                    const int sz = mInventory->getNumberOfSlotsUsed();
+                    if (sz == 0)
                     {
-                        str = strprintf("%d,%d", item->getId(),
-                            item->getColor());
+                        str = "0,0";
                     }
                     else
                     {
-                        str = "0,0";
+                        const Item *item = mInventory->getItem(0);
+                        if (item)
+                        {
+                            str = strprintf("%d,%d", item->getId(),
+                                item->getColor());
+                        }
+                        else
+                        {
+                            str = "0,0";
+                        }
+                        for (int f = 1; f < sz; f ++)
+                        {
+                            str.append(";");
+                            item = mInventory->getItem(f);
+                            if (item)
+                            {
+                                str.append(strprintf("%d,%d", item->getId(),
+                                    item->getColor()));
+                            }
+                            else
+                            {
+                                str.append("0,0");
+                            }
+                        }
                     }
 
                     // need send selected item
@@ -597,11 +619,11 @@ void NpcDialog::integerRequest(const int defaultValue, const int min,
     buildLayout();
 }
 
-void NpcDialog::itemRequest()
+void NpcDialog::itemRequest(const int size)
 {
     mActionState = NPC_ACTION_INPUT;
     mInputState = NPC_INPUT_ITEM;
-
+    mInventory->resize(size);
     buildLayout();
 }
 
diff --git a/src/gui/windows/npcdialog.h b/src/gui/windows/npcdialog.h
index 27efcee2f..1736f5567 100644
--- a/src/gui/windows/npcdialog.h
+++ b/src/gui/windows/npcdialog.h
@@ -164,7 +164,7 @@ class NpcDialog final : public Window,
         void integerRequest(const int defaultValue = 0, const int min = 0,
                             const int max = 2147483647);
 
-        void itemRequest();
+        void itemRequest(const int size);
 
         void move(const int amount);
 
diff --git a/src/inventory.cpp b/src/inventory.cpp
index 61500fb7a..9a82f192b 100644
--- a/src/inventory.cpp
+++ b/src/inventory.cpp
@@ -268,3 +268,18 @@ std::string Inventory::getName() const
         }
     }
 }
+
+void Inventory::resize(const unsigned int newSize)
+{
+    clear();
+    if (mSize == newSize)
+        return;
+
+    for (unsigned i = 0; i < mSize; i++)
+        delete mItems[i];
+    delete [] mItems;
+
+    mSize = newSize;
+    mItems = new Item*[mSize];
+    std::fill_n(mItems, mSize, static_cast<Item*>(nullptr));
+}
diff --git a/src/inventory.h b/src/inventory.h
index e9949dc52..17855a064 100644
--- a/src/inventory.h
+++ b/src/inventory.h
@@ -160,6 +160,8 @@ class Inventory final
 
         std::string getName() const A_WARN_UNUSED;
 
+        void resize(const unsigned int newSize);
+
     protected:
         typedef std::list<InventoryListener*> InventoryListenerList;
         InventoryListenerList mInventoryListeners;
diff --git a/src/net/tmwa/npchandler.cpp b/src/net/tmwa/npchandler.cpp
index 1356dbf8c..bb53ef33f 100644
--- a/src/net/tmwa/npchandler.cpp
+++ b/src/net/tmwa/npchandler.cpp
@@ -329,10 +329,14 @@ void NpcHandler::processNpcCommand(Net::MessageIn &msg, const int npcId)
                 mDialog->clearRows();
             break;
         case 10:  // send selected item id
+        {
+            int invSize = msg.readInt32();
+            if (!invSize)
+                invSize = 1;
             if (mDialog)
-                mDialog->itemRequest();
+                mDialog->itemRequest(invSize);
             break;
-
+        }
         default:
             logger->log("unknown npc command: %d", cmd);
             break;