hud.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/>.
 *
 */

#include "twp/gfx.h"
#include "twp/object.h"
#include "twp/scenegraph.h"

#define MAX_VERBS 22
#define NUMACTORS 6

#ifndef TWP_HUD_H
#define TWP_HUD_H

namespace Twp {

struct VerbUiColors {
    Color sentence;
    Color verbNormal;
    Color verbNormalTint;
    Color verbHighlight;
    Color verbHighlightTint;
    Color dialogNormal;
    Color dialogHighlight;
    Color inventoryFrame;
    Color inventoryBackground;
    Color retroNormal;
    Color retroHighlight;

    VerbUiColors();
    VerbUiColors(const Color &s, const Color &vbNormal, const Color &vbNormalTint, const Color &vbHiglight, const Color &vbHiglightTint, const Color &dlgNormal, const Color &dlgHighlt, const Color &invFrame, const Color &inventoryBack, const Color &retroNml, const Color &retroHighlt);
};

struct Verb {
    VerbId id;
    Common::String image;
    Common::String fun;
    Common::String text;
    Common::String key;
    int flags = 0;

    Verb();
    Verb(VerbId id, const Common::String &image, const Common::String &fun, const Common::String &text, const Common::String &key, int flags = 0);
};

struct VerbSlot {
    Verb _verb;
    float _shakeTime = 0.f;
    Common::ScopedPtr<Motor> _shake;
    Math::Vector2d _shakeOffset;
    bool _over = false;
    bool _hightlight = false;

    VerbSlot() {}
    VerbSlot(Verb verb) : _verb(verb) {}
};

struct ActorSlot {
public:
    VerbUiColors verbUiColors;
    VerbSlot verbSlots[MAX_VERBS];
    bool selectable = false;
    Common::SharedPtr<Object> actor;

public:
    ActorSlot();

    Verb *getVerb(int id) {
        for (auto &verbSlot : verbSlots) {
            if (verbSlot._verb.id.id == id) {
                return &verbSlot._verb;
            }
        }
        return nullptr;
    }
};

class Hud;
struct VerbRect {
    Hud *hud;
    int index;
};

class HudShader : public Shader {
public:
    HudShader();
    ~HudShader() override;

    void init();

private:
    void applyUniforms() final;

public:
    Color _shadowColor;
    Color _normalColor;
    Color _highlightColor;
};

class Hud : public Node {
public:
    Hud();

    void init();
    ActorSlot *actorSlot(Common::SharedPtr<Object> actor);
    bool isOverVerbs() const { return _over; }
    void update(float elapsed, const Math::Vector2d &pos, Common::SharedPtr<Object> hotspot, bool mouseClick);

    void setVisible(bool visible) override;
    void selectVerb(const Verb &verb);

    Math::Vector2d getVerbPos(const VerbSlot &verbSlot) const;

private:
    void drawCore(const Math::Matrix4 &trsf) final;
    void drawSprite(const SpriteSheetFrame &sf, Texture *texture, const Color &color, const Math::Matrix4 &trsf);

public:
    ActorSlot _actorSlots[NUMACTORS];
    Common::SharedPtr<Object> _actor;
    Verb _verb;
    HudShader _shader;
    Math::Vector2d _mousePos;
    bool _mouseClick = false;
    bool _over = false;
    int _defaultVerbId = 0;
    float _fadeTime = 0.f;
    bool _fadeIn = false;
    bool _active = false;
};
} // namespace Twp

#endif