scummui.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 MACS2_SCUMMUI_H
#define MACS2_SCUMMUI_H

#include "common/rect.h"
#include "common/str.h"
#include "graphics/managed_surface.h"
#include "macs2/macs2_constants.h"
#include "macs2/scriptexecutor.h"

namespace Macs2 {

class View1;
class GameObject;

class ScummUI {
public:
    ScummUI(View1 *view);

    void draw(Graphics::ManagedSurface &s);
    bool handleClick(const Common::Point &pos, bool scriptsRunning = false);
    void handleMouseMove(const Common::Point &pos);
    bool isPointInUI(const Common::Point &pos) const;
    void updateSentenceLine(const Common::String &objectName);
    void clearSentenceObject();
    void syncInventory();
    void syncActiveVerbFromCursorMode();
    void resetInventoryAfterLoad();

private:
    static constexpr int kSentenceH = 14;
    static constexpr int kUITop = kGameHeight;
    static constexpr int kSentenceY = kGameHeight;
    static constexpr int kVerbY = kGameHeight + kSentenceH;
    static constexpr int kVerbW = 64;
    static constexpr int kVerbH = 25;
    static constexpr int kVerbCols = 2;
    static constexpr int kVerbRows = 2;
    static constexpr int kInvX = 128;
    static constexpr int kInvItemW = 34;
    static constexpr int kInvItemH = 25;
    static constexpr int kInvIconInset = 1;
    static constexpr int kInvCols = 4;
    static constexpr int kInvRows = 2;

    struct VerbDef {
        const char *label;
        Script::MouseMode mode;
    };
    static const VerbDef kVerbs[4];

    void drawSentenceLine(Graphics::ManagedSurface &s);
    void drawVerbBar(Graphics::ManagedSurface &s);
    void drawInventoryStrip(Graphics::ManagedSurface &s);
    void drawScrollButton(Graphics::ManagedSurface &s, const Common::Rect &rect, int iconResourceIndex, bool hovered);
    void drawUIButton(const Common::Rect &rect, bool pressed, Graphics::ManagedSurface &s);
    void rebuildProtagonistItems();

    int getScrollButtonWidth() const;
    int getInvArrowX() const;

    Common::Array<GameObject *> getProtagonistItems() const;

    Common::Rect getVerbRect(int index) const;
    Common::Rect getInvItemRect(int index) const;
    Common::Rect getInvScrollLeftRect() const;
    Common::Rect getInvScrollRightRect() const;

    View1 *_view;
    int _activeVerbIndex;
    int _hoveredVerb;
    int _hoveredItemIndex;
    int _hoveredScrollButton;
    int _inventoryScrollOffset;
    Common::Array<GameObject *> _protagonistItems;
    Common::String _sentenceObject;
};

} // namespace Macs2

#endif // MACS2_SCUMMUI_H