Initial commit: wowee native WoW 3.3.5a client

include/ui/inventory_screen.hpp

@@ -0,0 +1,56 @@
+#pragma once
+
+#include "game/inventory.hpp"
+#include <imgui.h>
+
+namespace wowee {
+namespace ui {
+
+class InventoryScreen {
+public:
+    void render(game::Inventory& inventory);
+    bool isOpen() const { return open; }
+    void toggle() { open = !open; }
+    void setOpen(bool o) { open = o; }
+
+    /// Returns true if equipment changed since last call, and clears the flag.
+    bool consumeEquipmentDirty() { bool d = equipmentDirty; equipmentDirty = false; return d; }
+
+private:
+    bool open = false;
+    bool bKeyWasDown = false;
+    bool equipmentDirty = false;
+
+    // Drag-and-drop held item state
+    bool holdingItem = false;
+    game::ItemDef heldItem;
+    enum class HeldSource { NONE, BACKPACK, EQUIPMENT };
+    HeldSource heldSource = HeldSource::NONE;
+    int heldBackpackIndex = -1;
+    game::EquipSlot heldEquipSlot = game::EquipSlot::NUM_SLOTS;
+
+    void renderEquipmentPanel(game::Inventory& inventory);
+    void renderBackpackPanel(game::Inventory& inventory);
+
+    // Slot rendering with interaction support
+    enum class SlotKind { BACKPACK, EQUIPMENT };
+    void renderItemSlot(game::Inventory& inventory, const game::ItemSlot& slot,
+                        float size, const char* label,
+                        SlotKind kind, int backpackIndex,
+                        game::EquipSlot equipSlot);
+    void renderItemTooltip(const game::ItemDef& item);
+
+    // Held item helpers
+    void pickupFromBackpack(game::Inventory& inv, int index);
+    void pickupFromEquipment(game::Inventory& inv, game::EquipSlot slot);
+    void placeInBackpack(game::Inventory& inv, int index);
+    void placeInEquipment(game::Inventory& inv, game::EquipSlot slot);
+    void cancelPickup(game::Inventory& inv);
+    game::EquipSlot getEquipSlotForType(uint8_t inventoryType, game::Inventory& inv);
+    void renderHeldItem();
+
+    static ImVec4 getQualityColor(game::ItemQuality quality);
+};
+
+} // namespace ui
+} // namespace wowee