Move shopitem into item directory.

2 files changed, 344 insertions, 0 deletions

diff --git a/src/resources/item/shopitem.cpp b/src/resources/item/shopitem.cpp
new file mode 100644
index 000000000..78a29065d
--- /dev/null
+++ b/src/resources/item/shopitem.cpp
@@ -0,0 +1,166 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "resources/item/shopitem.h"
+
+#include "units.h"
+
+#include "resources/iteminfo.h"
+
+#include "utils/stringutils.h"
+
+#include "net/serverfeatures.h"
+
+#include "debug.h"
+
+ShopItem::ShopItem(const int inventoryIndex,
+                   const int id,
+                   const int type,
+                   const ItemColor color,
+                   const int quantity,
+                   const int price) :
+    Item(id, type, 0, 0, color,
+         Identified_true,
+         Damaged_false,
+         Favorite_false,
+         Equipm_false,
+         Equipped_false),
+    mDisplayName(),
+    mDuplicates(),
+    mPrice(price),
+    mUsedQuantity(0),
+    mShowQuantity(true),
+    mVisible(true),
+    mDisabled(false)
+{
+    updateDisplayName(quantity);
+    setInvIndex(inventoryIndex);
+    addDuplicate(inventoryIndex, quantity);
+}
+
+ShopItem::ShopItem(const int id,
+                   const int type,
+                   const ItemColor color,
+                   const int price) :
+    Item(id, type, 0, 0, color,
+         Identified_true,
+         Damaged_false,
+         Favorite_false,
+         Equipm_false,
+         Equipped_false),
+    mDisplayName(),
+    mDuplicates(),
+    mPrice(price),
+    mUsedQuantity(0),
+    mShowQuantity(false),
+    mVisible(true),
+    mDisabled(false)
+{
+    updateDisplayName(0);
+    setInvIndex(-1);
+    addDuplicate(-1, 0);
+}
+
+ShopItem::~ShopItem()
+{
+    /** Clear all remaining duplicates on Object destruction. */
+    while (!mDuplicates.empty())
+    {
+        delete mDuplicates.top();
+        mDuplicates.pop();
+    }
+}
+
+void ShopItem::updateDisplayName(const int quantity)
+{
+    if (serverFeatures->haveItemColors())
+        mDisplayName = std::string(getInfo().getName(mColor));
+    else
+        mDisplayName = std::string(getInfo().getName());
+    if (mPrice)
+    {
+        mDisplayName.append(" (").append(
+            Units::formatCurrency(mPrice)).append(") ");
+    }
+    if (mShowQuantity && quantity > 1)
+        mDisplayName.append("[").append(toString(quantity)).append("]");
+    if (mUsedQuantity > 0)
+        mDisplayName.append(" +").append(toString(mUsedQuantity));
+}
+
+void ShopItem::update()
+{
+    updateDisplayName(mQuantity);
+}
+
+void ShopItem::addDuplicate(const int inventoryIndex, const int quantity)
+{
+    DuplicateItem *const di = new DuplicateItem;
+    di->inventoryIndex = inventoryIndex;
+    di->quantity = quantity;
+    mDuplicates.push(di);
+    mQuantity += quantity;
+}
+
+void ShopItem::addDuplicate()
+{
+    DuplicateItem *const di = new DuplicateItem;
+    di->inventoryIndex = -1;
+    di->quantity = 0;
+    mDuplicates.push(di);
+}
+
+int ShopItem::sellCurrentDuplicate(const int quantity)
+{
+    DuplicateItem* dupl = mDuplicates.top();
+    if (!dupl)
+        return 0;
+
+    const int sellCount = quantity <= dupl->quantity
+        ? quantity : dupl->quantity;
+    dupl->quantity -= sellCount;
+    mQuantity -= sellCount;
+    if (dupl->quantity == 0)
+    {
+        delete dupl;
+        mDuplicates.pop();
+    }
+    return sellCount;
+}
+
+void ShopItem::increaseUsedQuantity(const int amount)
+{
+    if (mShowQuantity && mQuantity)
+    {
+        if (mQuantity < mUsedQuantity + amount ||
+            mUsedQuantity + amount < 0)
+        {
+            return;
+        }
+    }
+    else if (mUsedQuantity + amount < 0)
+    {
+        return;
+    }
+
+    mUsedQuantity += amount;
+}
diff --git a/src/resources/item/shopitem.h b/src/resources/item/shopitem.h
new file mode 100644
index 000000000..e5f9efe0d
--- /dev/null
+++ b/src/resources/item/shopitem.h
@@ -0,0 +1,178 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RESOURCES_ITEM_SHOPITEM_H
+#define RESOURCES_ITEM_SHOPITEM_H
+
+#include "resources/item/item.h"
+
+#include <stack>
+
+#include "localconsts.h"
+
+/**
+ * Represents an item in a shop inventory. It can store quantity and inventory
+ * indices of duplicate entries in the shop as well.
+ */
+class ShopItem final : public Item
+{
+    public:
+        /**
+         * Constructor. Creates a new ShopItem.
+         *
+         * @param inventoryIndex the inventory index of the item
+         * @param id the id of the item
+         * @param quantity number of available copies of the item
+         * @param price price of the item
+         */
+        ShopItem(const int inventoryIndex,
+                 const int id,
+                 const int type,
+                 const ItemColor color,
+                 const int quantity,
+                 const int price);
+
+        /**
+         * Constructor. Creates a new ShopItem. Inventory index will be set to
+         * -1 and quantity to 0.
+         *
+         * @param id the id of the item
+         * @param price price of the item
+         */
+        ShopItem(const int id,
+                 const int type,
+                 const ItemColor color,
+                 const int price);
+
+        A_DELETE_COPY(ShopItem)
+
+        /**
+         * Destructor.
+         */
+        ~ShopItem();
+
+        /**
+         * Add a duplicate. Id and price will be taken from this item.
+         *
+         * @param inventoryIndex the inventory index of the item
+         * @param quantity number of available copies of the item
+         */
+        void addDuplicate(const int inventoryIndex, const int quantity);
+
+        /**
+         * Add a duplicate. Id and price will be taken from this item.
+         * Needed for compatibility with ShopDuplicateItems (see) class
+         * documentation).
+         */
+        void addDuplicate();
+
+        void update();
+
+        /**
+         * Gets the quantity of the currently topmost duplicate.
+         *
+         * @return the quantity of the currently topmost duplicate
+         */
+        int getCurrentQuantity() const A_WARN_UNUSED
+        {
+            return mDuplicates.empty() ? 0 : mDuplicates.top()->quantity;
+        }
+
+        /**
+         * Gets the inventory index of the currently topmost duplicate.
+         *
+         * @return the inventory index of the currently topmost duplicate
+         */
+        int getCurrentInvIndex() const A_WARN_UNUSED
+        {
+            return mDuplicates.empty() ? mInvIndex :
+                   mDuplicates.top()->inventoryIndex;
+        }
+
+        /**
+         * Reduces the quantity of the topmost duplicate by the specified
+         * amount. Also reduces the total quantity of this DuplicateItem.
+         * Empty duplicates are automatically removed.
+         *
+         * If the amount is bigger than the quantity of the current topmost,
+         * only sell as much as possible. Returns the amount actually sold (do
+         * not ignore the return value!)
+         *
+         * @return the amount, that actually was sold.
+         */
+        int sellCurrentDuplicate(const int quantity);
+
+        /**
+         * Gets the price of the item.
+         *
+         * @return the price of the item
+         */
+        int getPrice() const A_WARN_UNUSED
+        { return mPrice; }
+
+        /**
+         * Gets the display name for the item in the shop list.
+         *
+         * @return the display name for the item in the shop list
+         */
+        const std::string &getDisplayName() const A_WARN_UNUSED
+        { return mDisplayName; }
+
+        void setVisible(const bool b)
+        { mVisible = b; }
+
+        bool isVisible() const
+        { return mVisible; }
+
+        void increaseUsedQuantity(const int amount);
+
+        int getUsedQuantity() const A_WARN_UNUSED
+        { return mUsedQuantity; }
+
+        void setDisabled(const bool b)
+        { mDisabled = b; }
+
+        bool getDisabled() const A_WARN_UNUSED
+        { return mDisabled; }
+
+    protected:
+        void updateDisplayName(const int quantity);
+
+        std::string mDisplayName;
+
+        /**
+         * Struct to keep track of duplicates.
+         */
+        typedef struct
+        {
+            int inventoryIndex;
+            int quantity;
+        } DuplicateItem;
+        std::stack<DuplicateItem*> mDuplicates; /** <-- Stores duplicates */
+        int mPrice;
+        int mUsedQuantity;
+        bool mShowQuantity;
+        bool mVisible;
+        bool mDisabled;
+};
+
+#endif  // RESOURCES_ITEM_SHOPITEM_H