monorepo/otg/gtk/src/components/board.rs

332 lines
11 KiB
Rust

use crate::{perftrace, CoreApi};
use gio::resources_lookup_data;
use glib::Object;
use gtk::{
gdk_pixbuf::{InterpType, Pixbuf},
prelude::*,
subclass::prelude::*,
};
use image::io::Reader as ImageReader;
use otg_core::{
Color,
};
use std::{cell::RefCell, io::Cursor, rc::Rc};
const WIDTH: i32 = 800;
const HEIGHT: i32 = 800;
const MARGIN: i32 = 20;
#[derive(Clone, Default, PartialEq)]
struct Addr {
row: u8,
column: u8,
}
pub struct BoardPrivate {
drawing_area: gtk::DrawingArea,
current_player: Rc<RefCell<Color>>,
// board: Rc<RefCell<BoardElement>>,
cursor_location: Rc<RefCell<Option<Addr>>>,
api: Rc<RefCell<Option<CoreApi>>>,
}
#[glib::object_subclass]
impl ObjectSubclass for BoardPrivate {
const NAME: &'static str = "Board";
type Type = Board;
type ParentType = gtk::Grid;
fn new() -> BoardPrivate {
BoardPrivate {
drawing_area: Default::default(),
current_player: Rc::new(RefCell::new(Color::Black)),
// board: Default::default(),
cursor_location: Default::default(),
api: Default::default(),
}
}
}
impl ObjectImpl for BoardPrivate {
fn constructed(&self) {
self.drawing_area.set_width_request(WIDTH);
self.drawing_area.set_height_request(HEIGHT);
// let board = self.board.clone();
let cursor_location = self.cursor_location.clone();
let current_player = self.current_player.clone();
let wood_texture = resources_lookup_data(
"/com/luminescent-dreams/otg-gtk/wood_texture.jpg",
gio::ResourceLookupFlags::NONE,
)
.unwrap();
let background = ImageReader::new(Cursor::new(wood_texture))
.with_guessed_format()
.unwrap()
.decode();
let background = background.map(|background| {
Pixbuf::from_bytes(
&glib::Bytes::from(background.as_bytes()),
gtk::gdk_pixbuf::Colorspace::Rgb,
false,
8,
background.width() as i32,
background.height() as i32,
background.to_rgb8().sample_layout().height_stride as i32,
)
.scale_simple(WIDTH, HEIGHT, InterpType::Nearest)
});
self.drawing_area
.set_draw_func(move |_, context, width, height| {
perftrace("render drawing area", || {
let render_start = std::time::Instant::now();
/*
let board = board.borrow();
match background {
Ok(Some(ref background)) => {
context.set_source_pixbuf(background, 0., 0.);
context.paint().expect("paint should succeed");
}
Ok(None) | Err(_) => context.set_source_rgb(0.7, 0.7, 0.7),
};
let _ = context.paint();
context.set_source_rgb(0.1, 0.1, 0.1);
context.set_line_width(2.);
let hspace_between = ((width - 40) as f64) / ((board.size.width - 1) as f64);
let vspace_between = ((height - 40) as f64) / ((board.size.height - 1) as f64);
let pen = Pen {
x_offset: MARGIN as f64,
y_offset: MARGIN as f64,
hspace_between,
vspace_between,
};
(0..board.size.width).for_each(|col| {
context.move_to(
(MARGIN as f64) + (col as f64) * hspace_between,
MARGIN as f64,
);
context.line_to(
(MARGIN as f64) + (col as f64) * hspace_between,
(height as f64) - (MARGIN as f64),
);
let _ = context.stroke();
});
(0..board.size.height).for_each(|row| {
context.move_to(
MARGIN as f64,
(MARGIN as f64) + (row as f64) * vspace_between,
);
context.line_to(
(width - MARGIN) as f64,
(MARGIN as f64) + (row as f64) * vspace_between,
);
let _ = context.stroke();
});
context.set_source_rgb(0.1, 0.1, 0.0);
vec![3, 9, 15].into_iter().for_each(|col| {
vec![3, 9, 15].into_iter().for_each(|row| {
pen.star_point(context, col, row);
});
});
*/
/*
(0..19).for_each(|col| {
(0..19).for_each(|row| {
if let IntersectionElement::Filled(stone) = board.stone(row, col) {
pen.stone(context, row, col, stone.color, stone.liberties);
};
})
});
let cursor = cursor_location.borrow();
match *cursor {
None => {}
Some(ref cursor) => {
if let IntersectionElement::Empty(_) =
board.stone(cursor.row, cursor.column)
{
pen.ghost_stone(
context,
cursor.row,
cursor.column,
*current_player.borrow(),
)
}
}
}
*/
let render_end = std::time::Instant::now();
println!("board rendering time: {:?}", render_end - render_start);
})
});
let motion_controller = gtk::EventControllerMotion::new();
{
// let board = self.board.clone();
let cursor = self.cursor_location.clone();
let drawing_area = self.drawing_area.clone();
motion_controller.connect_motion(move |_, x, y| {
/*
let board = board.borrow();
let mut cursor = cursor.borrow_mut();
let hspace_between = ((WIDTH - 40) as f64) / ((board.size.width - 1) as f64);
let vspace_between = ((HEIGHT - 40) as f64) / ((board.size.height - 1) as f64);
let addr = if x.round() < MARGIN as f64
|| x.round() > (WIDTH - MARGIN) as f64
|| y.round() < MARGIN as f64
|| y.round() > (HEIGHT - MARGIN) as f64
{
None
} else {
Some(Addr {
column: ((x.round() - MARGIN as f64) / hspace_between).round() as u8,
row: ((y.round() - MARGIN as f64) / vspace_between).round() as u8,
})
};
if *cursor != addr.clone() {
*cursor = addr;
drawing_area.queue_draw();
}
*/
});
}
let gesture = gtk::GestureClick::new();
{
// let board = self.board.clone();
let cursor = self.cursor_location.clone();
let api = self.api.clone();
gesture.connect_released(move |_, _, _, _| {
/*
let board = board.borrow();
let cursor = cursor.borrow();
*/
/*
match *cursor {
None => {}
Some(ref cursor) => {
if let IntersectionElement::Empty(request) =
board.stone(cursor.row, cursor.column)
{
println!("need to send request: {:?}", request);
api.borrow()
.as_ref()
.expect("API must exist")
.dispatch(request);
}
}
}
*/
});
}
self.drawing_area.add_controller(motion_controller);
self.drawing_area.add_controller(gesture);
}
}
impl WidgetImpl for BoardPrivate {}
impl GridImpl for BoardPrivate {}
glib::wrapper! {
pub struct Board(ObjectSubclass<BoardPrivate>) @extends gtk::Grid, gtk::Widget;
}
impl Board {
pub fn new(api: CoreApi) -> Self {
let s: Self = Object::builder().build();
*s.imp().api.borrow_mut() = Some(api);
s.attach(&s.imp().drawing_area, 1, 1, 1, 1);
s
}
/*
pub fn set_board(&self, board: BoardElement) {
*self.imp().board.borrow_mut() = board;
self.imp().drawing_area.queue_draw();
}
*/
pub fn set_current_player(&self, color: Color) {
*self.imp().current_player.borrow_mut() = color;
}
}
struct Pen {
x_offset: f64,
y_offset: f64,
hspace_between: f64,
vspace_between: f64,
}
impl Pen {
fn star_point(&self, context: &cairo::Context, row: u8, col: u8) {
context.arc(
self.x_offset + (col as f64) * self.hspace_between,
self.y_offset + (row as f64) * self.vspace_between,
5.,
0.,
2. * std::f64::consts::PI,
);
let _ = context.fill();
}
fn stone(
&self,
context: &cairo::Context,
row: u8,
col: u8,
color: Color,
liberties: Option<u8>,
) {
match color {
Color::White => context.set_source_rgb(0.9, 0.9, 0.9),
Color::Black => context.set_source_rgb(0.0, 0.0, 0.0),
};
self.draw_stone(context, row, col);
if let Some(liberties) = liberties {
let stone_location = self.stone_location(row, col);
context.set_source_rgb(1., 0., 1.);
context.set_font_size(32.);
context.move_to(stone_location.0 - 10., stone_location.1 + 10.);
let _ = context.show_text(&format!("{}", liberties));
}
}
fn ghost_stone(&self, context: &cairo::Context, row: u8, col: u8, color: Color) {
match color {
Color::White => context.set_source_rgba(0.9, 0.9, 0.9, 0.5),
Color::Black => context.set_source_rgba(0.0, 0.0, 0.0, 0.5),
};
self.draw_stone(context, row, col);
}
fn draw_stone(&self, context: &cairo::Context, row: u8, col: u8) {
let radius = self.hspace_between / 2. - 2.;
let (x_loc, y_loc) = self.stone_location(row, col);
context.arc(x_loc, y_loc, radius, 0.0, 2.0 * std::f64::consts::PI);
let _ = context.fill();
}
fn stone_location(&self, row: u8, col: u8) -> (f64, f64) {
(
self.x_offset + (col as f64) * self.hspace_between,
self.y_offset + (row as f64) * self.vspace_between,
)
}
}