1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162

use dynamic::library::state::{LibraryState, Relative};
use dynamic::library::state::persona::Persona;
use dynamic::library::state::tooltip::Tooltip;

use ::graphic;

use ::pty;
use std::ops::Not;

pub const MESSAGE_WIDTH: usize = 1024;

#[derive(Copy, Clone, Debug, Default)]
pub struct Display {
    size: pty::Winszed,
    coord_neko: (usize, usize),
    coord_bulle: (usize, usize),
    draw: graphic::Draw,
    count: usize,
    nl: (usize, usize),
    persona: Persona,
    tooltip: Tooltip,
    padding: usize,
    cursor: usize,
}

impl Display {
    pub fn from_window_size(size: &pty::Winszed) -> Self {
        let mut display: Display = Display::default();

        display.set_window_size(size);
        display
    }

    pub fn get_persona(&self) -> &Persona {
        &self.persona
    }

    pub fn get_tooltip(&self) -> &Tooltip {
        &self.tooltip
    }

    pub fn set_window_size(&mut self, size: &pty::Winszed) {
        self.size = *size;
    }

    /// The mutator method `set_draw` updates the draw from a sprite.
    pub fn set_draw(&mut self, sprite: &graphic::Sprite) {
        self.draw = *sprite.into_iter().next().unwrap();
    }

    /// The mutator method `set_state` updates the draw if
    /// the personna has changed of expression or sheet
    /// and overwrites the variable State of Neko's Display.
    pub fn set_state(&mut self,
                     lib: &LibraryState,
                     dictionary: &mut graphic::Graphic) {
        //if self.get_tooltip().ne(lib.get_tooltip()) {
            self.tooltip = *lib.get_tooltip();
            self.nl = (self.tooltip.get_width() + 2, self.tooltip.get_height());
        //}
        if self.get_persona().ne(lib.get_persona()) {
            self.coord_neko = lib.get_position().get_coordinate(&self.size);
            let (coord_bulle, coord_neko) = self.get_coordinates();
            self.coord_bulle = coord_bulle;
            self.coord_neko = coord_neko;
            self.persona = *lib.get_persona();
            if let Some(sprite) =
                dictionary.explicite_emotion(lib.get_sheet(), lib.get_emotion()) {
                self.set_draw(sprite)
            }
        }
    }

    /// Returns the cartesiane coordinate of tooltip and neko.
    fn get_coordinates(&self) -> ((usize, usize), (usize, usize)) {
        let row = self.size.get_row();
        let col = self.size.get_col();
        let coord_bulle: (usize, usize);
        let (width_tooltip, height_tooltip): (usize, usize) = (self.nl.0, self.nl.1);
        let mut coord_neko: (usize, usize) = self.coord_neko;

        match self.tooltip.get_cardinal() {
            &Relative::Top => {
                if coord_neko.1 < height_tooltip ||
                   coord_neko.1 + graphic::SPEC_MAX_Y + height_tooltip >= row {
                    coord_bulle = (coord_neko.0, 0);
                    coord_neko = (coord_neko.0, coord_neko.1 + height_tooltip);
                } else {
                    coord_bulle = (coord_neko.0, coord_neko.1 - height_tooltip);
                }
            }
            &Relative::Bottom => {
                if coord_neko.1 + graphic::SPEC_MAX_Y + height_tooltip >= row {
                    if graphic::SPEC_MAX_Y + height_tooltip < row {
                        coord_neko = (coord_neko.0, row - (graphic::SPEC_MAX_Y + height_tooltip));
                    } else {
                        coord_neko = (coord_neko.0, 0);
                    }
                }
                coord_bulle = (coord_neko.0, coord_neko.1 + graphic::SPEC_MAX_Y);
            }
            &Relative::Right => {
                if coord_neko.0 + graphic::SPEC_MAX_X + width_tooltip >= row {
                    if graphic::SPEC_MAX_X + width_tooltip < col {
                        coord_neko = (col -
                                      (graphic::SPEC_MAX_X + width_tooltip),
                                      coord_neko.1);
                    } else {
                        coord_neko = (0, coord_neko.1);
                    }
                }
                coord_bulle = (coord_neko.0 + graphic::SPEC_MAX_X + 2,
                               coord_neko.1);
            }
            &Relative::Left => {
                if coord_neko.0 < width_tooltip ||
                   graphic::SPEC_MAX_X + width_tooltip >= col {
                    coord_bulle = (0, coord_neko.1);
                    coord_neko = (width_tooltip + 1, coord_neko.1);
                } else {
                    coord_bulle = (coord_neko.0 - width_tooltip, coord_neko.1);
                }
            }
        }
        (coord_bulle, coord_neko)
    }
}

impl Iterator for Display {
    type Item = pty::Character;

    fn next(&mut self) -> Option<pty::Character> {
        self.count += 1;
        let (coord_bulle, coord_neko) = (self.coord_bulle, self.coord_neko);
        if self.padding < ((self.count - 1) / self.size.get_col()) + 1 {
            self.padding = 0;
        }
        if (coord_neko.1..(coord_neko.1 + graphic::SPEC_MAX_Y)).contains((self.count - 1) / self.size.get_col()) &&
           (coord_neko.0..(coord_neko.0 + graphic::SPEC_MAX_X)).contains((self.count - 1) % self.size.get_col()) {
            let (_, texel) = self.draw.next().unwrap();
            Some(pty::Character::from(texel.get_glyph()))
        } else if (coord_bulle.1..(coord_bulle.1 + self.nl.1)).contains((self.count - 1) / self.size.get_col()) &&
                  (coord_bulle.0..(coord_bulle.0 + self.nl.0)).contains((self.count - 1) % self.size.get_col()) {
            if self.cursor < 1024 {
                if self.padding == 0 && self.tooltip[self.cursor].is_enter().not() {
                    self.cursor += 1;
                    Some(self.tooltip[self.cursor - 1])
                } else {
                    if self.padding == 0 && self.tooltip[self.cursor].is_enter() {
                        self.padding = ((self.count - 1) / self.size.get_col()) + 1;
                        self.cursor += 1;
                    }
                    Some(pty::Character::from('\0'))
                }
            } else {
                Some(pty::Character::from('\0'))
            }
        } else {
            Some(pty::Character::from('\0'))
        }
    }
}