script_cutscene.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 NUVIE_SCRIPT_SCRIPT_CUTSCENE_H
#define NUVIE_SCRIPT_SCRIPT_CUTSCENE_H

#include "common/lua/lua.h"

#include "ultima/nuvie/gui/gui.h"
#include "ultima/nuvie/gui/widgets/gui_widget.h"
#include "ultima/nuvie/files/u6_shape.h"
#include "ultima/nuvie/fonts/wou_font.h"
#include "ultima/nuvie/conf/configuration.h"

namespace Ultima {
namespace Nuvie {

class SoundManager;
class Font;
class U6LineWalker;
class Cursor;

class CSImage {
public:
    U6Shape *orig_shp;
    U6Shape *scaled_shp;
    U6Shape *shp;
    uint16 scale;
    uint16 refcount;

    CSImage(U6Shape *shape) {
        orig_shp = shape;
        scaled_shp = nullptr;
        shp = shape;
        scale = 100;
        refcount = 0;
    }
    virtual ~CSImage() {}

    void setScale(uint16 percentage);
    uint16 getScale() {
        return scale;
    }

    virtual void updateEffect() { };
};

#define STAR_FIELD_NUM_STARS 70

class CSStarFieldImage : public CSImage {

private:
    uint16 w;
    uint16 h;
    struct {
        uint8 color;
        U6LineWalker *line;
    } stars[STAR_FIELD_NUM_STARS];
public:
    CSStarFieldImage(U6Shape *shape);
    ~CSStarFieldImage() override {}
    void updateEffect() override;
};

struct CSSprite {
    sint16 x;
    sint16 y;
    uint8 opacity;
    CSImage *image;
    bool visible;
    Common::Rect clip_rect;
    Std::string text;
    uint16 text_color;
    uint8 text_align;

    CSSprite() {
        x = 0;
        y = 0;
        opacity = 255;
        image = nullptr;
        visible = false;
        clip_rect = Common::Rect();
        text = "";
        text_color = 0xffff;
        text_align = 0;
    }
};

struct CSMidGameData {
    Std::vector<Std::string> text;
    Std::vector<CSImage *> images;
};

void nscript_init_cutscene(lua_State *L, Configuration *cfg, GUI *gui, SoundManager *sm);

class ScriptCutscene : public GUI_Widget {
private:
    Configuration *config;
    GUI *gui;
    Cursor *cursor;
    Std::list<CSSprite *> sprite_list; // in paint order
    Screen *screen;
    uint8 *palette;
    SoundManager *sound_manager;
    WOUFont *font;
    Common::Rect clip_rect;
    uint16 x_off, y_off;
    uint32 next_time;
    uint32 loop_interval;
    uint8 screen_opacity;
    uint8 bg_color;
    bool solid_bg;
    bool rotate_game_palette;

public:
    ScriptCutscene(GUI *g, Configuration *cfg, SoundManager *sm);
    ~ScriptCutscene() override;

    Std::vector<Std::string> load_text(const char *filename, uint8 idx);

    Std::vector<CSMidGameData> load_midgame_file(const char *filename);

    CSImage *load_image(const char *filename, int idx, int sub_idx = 0);
    Std::vector<Std::vector<CSImage *> > load_all_images(const char *filename);
    void add_sprite(CSSprite *s) {
        sprite_list.push_back(s);
    }
    void remove_sprite(CSSprite *s) {
        sprite_list.remove(s);
    }

    void load_palette(const char *filename, int idx);
    void set_palette_entry(uint8 idx, uint8 r, uint8 g, uint8 b);
    void rotate_palette(uint8 idx, uint8 length);
    void set_screen_opacity(uint8 new_opacity);
    void enable_game_palette_rotation(bool val) {
        rotate_game_palette = val;
    }

    void set_update_interval(uint16 interval);
    void update();

    void wait();
    void Display(bool full_redraw) override;
    void Hide() override;

    void print_text(CSImage *image, const char *string, uint16 *x, uint16 *y, uint16 startx, uint16 width, uint8 color);

    SoundManager *get_sound_manager() {
        return sound_manager;
    }

    uint16 get_x_off() const {
        return x_off;
    }
    uint16 get_y_off() const {
        return y_off;
    }

    Font *get_font() {
        return (Font *)font;
    }
    Configuration *get_config() {
        return config;
    }

    void hide_sprites();

    void set_bg_color(uint8 new_color) {
        bg_color = new_color;
    }
    void set_solid_bg(bool value) {
        solid_bg = value;
    }

    Screen *get_screen() {
        return screen;
    }

    uint16 get_text_width(const char *text) {
        return font->getStringWidth(text);
    }

private:
    bool is_lzc(const char *filename);
    CSImage *load_image_from_lzc(const Common::Path &filename, uint16 idx, uint16 sub_idx);
    void display_wrapped_text(CSSprite *s);
    int display_wrapped_text_line(Std::string str, uint8 text_color, int x, int y, uint8 align_val);
};

ScriptCutscene *get_cutscene();

} // End of namespace Nuvie
} // End of namespace Ultima

#endif