inventory.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 of the License, or
 * (at your option) 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 TEENAGENT_INVENTORY_H
#define TEENAGENT_INVENTORY_H

#include "teenagent/surface.h"
#include "teenagent/animation.h"
#include "common/events.h"
#include "common/array.h"
#include "teenagent/objects.h"

namespace TeenAgent {

struct InventoryObject;
class TeenAgentEngine;

// Maximum number of items found within game
const uint8 kNumInventoryItems = 92;

// Inventory Item Ids
enum {
    kInvItemNoItem = 0, // No item i.e. empty inventory slot
    kInvItemFeather = 1,
    kInvItemShotgun = 2,
    kInvItemToolboxFull = 3, // Contains Car Jack and Spanner
    kInvItemToolboxHalfEmpty = 4, // Contains Spanner
    kInvItemSpanner = 5,
    kInvItemComb = 6,
    kInvItemFan = 7,
    kInvItemBrokenPaddle = 8,
    kInvItemPaddle = 9, // Repaired - BrokenPaddle combined with Branch (with Glue)
    kInvItemFirstFlower = 10, // Smells nice
    kInvItemSecondFlower = 11, // Really beautiful
    kInvItemFeatherDusterClean = 12,
    kInvItemChainsaw = 13, // Unfueled
    kInvItemDrunkenChainsaw = 14, // Fueled with Whisky (Chainsaw combined with Whiskey)
    kInvItemBranch = 15,
    kInvItemWhisky = 16,
    kInvItemNeedle = 17,
    kInvItemWrapper = 18,
    kInvItemChocCandy = 19,
    kInvItemPotato = 20,
    kInvItemRakeBroken = 21,
    kInvItemHeartShapedCandy = 22,
    kInvItemWrappedCandy = 23, // HeartShapedCandy combined with Wrapper
    kInvItemRibbon = 24,
    kInvItemRakeFixed = 25, // Rake combined with Ribbon
    kInvItemNut = 26,
    kInvItemPlasticApple = 27,
    kInvItemCone = 28,
    kInvItemSuperGlue = 29,
    kInvItemConeAndNeedle = 30, // Cone combined with Needle
    kInvItemConeAndFeather = 31, // Cone combined with Feather
    kInvItemDart = 32, // Needle combined with ConeAndFeather or Feather combined with ConeAndNeedle
    kInvItemFeatherDusterDirty = 33,
    kInvItemPaintedPotato = 34, // Potato combined with Dirty Feather Duster (Soot)
    kInvItemCarJack = 35,
    kInvItemBone = 36,
    kInvItemShovelAct2 = 37,
    kInvItemRopeAct2 = 38,
    kInvItemMask = 39,
    kInvItemFins = 40,
    kInvItemDiveEquipment = 41, // Mask combined with Fins
    kInvItemAnchor = 42,
    kInvItemGrapplingHook = 43,
    kInvItemSickleBlunt = 44,
    kInvItemCheese = 45,
    kInvItemSickleSharp = 46,
    kInvItemHandkerchief = 47,
    kInvItemMouse = 48,
    kInvItemRock = 49,
    kInvItemNugget = 50,
    kInvItemBanknote = 51,
    kInvItemDictaphoneNoBatteries = 52,
    kInvItemPolaroidCamera = 53,
    kInvItemVideoTape = 54,
    kInvItemSheetOfPaper = 55,
    kInvItemCognac = 56,
    kInvItemRemoteControl = 57,
    kInvItemIceTongs = 58,
    kInvItemCork = 59,
    kInvItemWrappedCork = 60, // Cork combined with Sheet Of Paper
    kInvItemPhoto = 61,
    kInvItemChilliWithLabel = 62,
    kInvItemPastryRoller = 63,
    kInvItemFakeChilli = 64,
    kInvItemLabel = 65,
    kInvItemBatteries = 66,
    kInvItemDictaphoneWithBatteries = 67, // Dictaphone combined with Batteries
    kInvItemBurningPaper = 68,
    kInvItemMeat = 69,
    kInvItemPlasticBag = 70,
    kInvItemSocks = 71,
    kInvItemTimePills = 72,
    kInvItemHandle = 73,
    kInvItemChilliNoLabel = 74,
    kInvItemPass = 75,
    kInvItemBulb = 76,
    kInvItemJailKey = 77,
    kInvItemDelicatePlant = 78,
    kInvItemSwissArmyKnife = 79,
    kInvItemSpring = 80,
    kInvItemShovelAct1 = 81,
    kInvItemKaleidoscope = 82,
    kInvItemSoldierNews = 83,
    kInvItemGrenade = 84,
    kInvItemMug = 85, // Empty
    kInvItemMugOfMud = 86, // Full of mud
    kInvItemCrumbs = 87,
    kInvItemRopeAct1 = 88,
    kInvItemRopeAndGrenade = 89, // Rope combined with Grenade
    kInvItemMedicine = 90,
    kInvItemDruggedFood = 91, // Crumbs combined with Medicine
    kInvItemBird = 92
};

// Maximum number of inventory items held by Ego (Mark)
const uint8 kInventorySize = 24;

class Inventory {
public:
    Inventory(TeenAgentEngine *vm);
    ~Inventory();

    void render(Graphics::Surface *surface, int delta);

    void clear();
    void reload();
    void add(byte item);
    bool has(byte item) const;
    void remove(byte item);

    void activate(bool a) { _active = a; }
    bool active() const { return _active; }

    bool processEvent(const Common::Event &event);

    InventoryObject *selectedObject() { return _selectedObj; }
    void resetSelectedObject() { _selectedObj = NULL; }

private:
    TeenAgentEngine *_vm;
    Surface _background;
    byte *_items;
    uint _offset[kNumInventoryItems+1];

    Common::Array<InventoryObject> _objects;
    byte *_inventory;

    struct Item {
        Animation _animation;
        Surface _surface;
        Rect _rect;
        bool _hovered;

        Item() : _hovered(false) {}
        void free();
        void load(Inventory *inventory, uint itemId);
        void backgroundEffect(Graphics::Surface *s);
        void render(Inventory *inventory, uint itemId, Graphics::Surface *surface, int delta);
    };

    Item _graphics[kInventorySize];

    bool _active;
    Common::Point _mouse;

    bool tryObjectCallback(InventoryObject *obj);

    InventoryObject *_hoveredObj;
    InventoryObject *_selectedObj;
};

} // End of namespace TeenAgent

#endif