author | Wuzzy <Wuzzy2@mail.ru> |
Mon, 07 Oct 2019 14:18:31 +0200 | |
changeset 15447 | 6031c0cfec89 |
parent 14128 | 59ec51b78737 |
permissions | -rw-r--r-- |
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use sdl2::{ |
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keyboard::Scancode, |
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event::EventType, |
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surface::Surface, |
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pixels::{ |
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PixelFormatEnum, Color |
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} |
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}; |
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use integral_geometry::{Point, Size, Rect, Line}; |
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use rand::{ |
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thread_rng, RngCore, Rng, |
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distributions::uniform::SampleUniform |
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}; |
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use landgen::{ |
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template_based::TemplatedLandGenerator, |
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outline_template::OutlineTemplate, |
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LandGenerator, |
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LandGenerationParameters |
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}; |
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use land2d::Land2D; |
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use lfprng::LaggedFibonacciPRNG; |
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struct LandSource<T> { |
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rnd: LaggedFibonacciPRNG, |
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generator: T |
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} |
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impl <T: LandGenerator> LandSource<T> { |
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fn new(generator: T) -> Self { |
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let mut init = [0u8; 64]; |
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thread_rng().fill_bytes(&mut init); |
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LandSource { |
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rnd: LaggedFibonacciPRNG::new(&init), |
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generator |
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} |
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} |
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fn next(&mut self, parameters: LandGenerationParameters<u32>) -> Land2D<u32> { |
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self.generator.generate_land(¶meters, &mut self.rnd) |
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} |
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} |
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fn fill_pixels(pixels: &mut [u8], land: &Land2D<u32>) { |
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for (surf_row, land_row) in pixels.chunks_mut(land.width() * 4).zip(land.rows()) { |
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for (surf_pixel, land_pixel) in surf_row.chunks_mut(4).zip(land_row) { |
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if let [b, g, r, a] = surf_pixel { |
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*a = 255; *r = *land_pixel as u8; |
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} |
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} |
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} |
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} |
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fn fill_texture(surface: &mut Surface, land: &Land2D<u32>) { |
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if surface.must_lock() { |
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surface.with_lock_mut(|data| fill_pixels(data, land)); |
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} else { |
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surface.without_lock_mut().map(|data| fill_pixels(data, land)); |
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} |
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} |
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fn rnd<T: Default + SampleUniform + Ord>(max: T) -> T { |
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thread_rng().gen_range(T::default(), max) |
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} |
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const WINDOW_WIDTH: u32 = 800; |
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const WINDOW_HEIGHT: u32 = 600; |
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const WINDOW_SIZE: Size = Size {width: WINDOW_WIDTH as usize, height: WINDOW_HEIGHT as usize}; |
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const PLAY_WIDTH: u32 = 3072; |
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const PLAY_HEIGHT: u32 = 1424; |
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const PLAY_SIZE: Size = Size {width: PLAY_WIDTH as usize, height: PLAY_HEIGHT as usize}; |
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const LAND_WIDTH: u32 = 4096; |
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const LAND_HEIGHT: u32 = 2048; |
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const LAND_SIZE: Size = Size {width: LAND_WIDTH as usize, height: LAND_HEIGHT as usize}; |
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fn point() -> Point { |
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Point::new(rnd(LAND_WIDTH as i32), rnd(LAND_HEIGHT as i32)) |
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} |
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fn rect() -> Rect { |
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Rect::new(rnd(LAND_WIDTH as i32), rnd(LAND_HEIGHT as i32), rnd(120) + 8, rnd(120) + 8) |
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} |
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fn land_rect() -> Rect { |
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Rect::at_origin(PLAY_SIZE) |
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} |
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fn basic_template() -> OutlineTemplate { |
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OutlineTemplate::new(PLAY_SIZE) |
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.with_fill_points(vec![land_rect().center()]) |
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.add_island(&land_rect().split_at(land_rect().center())) |
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} |
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macro_rules! pseudo_yaml { |
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[$({x: $x: tt, y: $y: tt, w: $w: tt, h: $h: tt}),*] => { |
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[$(Rect::new($x, $y, $w, $h)),*] |
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} |
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} |
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fn test_template() -> OutlineTemplate { |
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let island = pseudo_yaml![ |
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{x: 810, y: 1424, w: 1, h: 1}, |
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{x: 560, y: 1160, w: 130, h: 170}, |
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{x: 742, y: 1106, w: 316, h: 150}, |
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{x: 638, y: 786, w: 270, h: 180}, |
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{x: 646, y: 576, w: 242, h: 156}, |
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{x: 952, y: 528, w: 610, h: 300}, |
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{x: 1150, y: 868, w: 352, h: 324}, |
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{x: 1050, y: 1424, w: 500, h: 1}, |
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{x: 1650, y: 1500, w: 1, h: 1}, |
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{x: 1890, y: 1424, w: 1, h: 1}, |
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{x: 1852, y: 1304, w: 74, h: 12}, |
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{x: 1648, y: 975, w: 68, h: 425}, |
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{x: 1826, y: 992, w: 140, h: 142}, |
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{x: 1710, y: 592, w: 150, h: 350}, |
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{x: 1988, y: 594, w: 148, h: 242}, |
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{x: 2018, y: 872, w: 276, h: 314}, |
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{x: 2110, y: 1250, w: 130, h: 86}, |
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{x: 2134, y: 1424, w: 1, h: 1} |
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]; |
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OutlineTemplate::new(PLAY_SIZE) |
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.add_island(&island) |
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.add_fill_points(&[Point::new(1023, 0)]) |
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} |
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fn init_source() -> LandSource<TemplatedLandGenerator> { |
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let template = test_template(); |
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let generator = TemplatedLandGenerator::new(template); |
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LandSource::new(generator) |
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} |
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fn draw_center_mark(land: &mut Land2D<u32>) { |
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for i in 0..32 { |
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land.draw_thick_line(Line::new(Point::new(LAND_WIDTH as i32 / 2, 0), |
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Point::new(LAND_WIDTH as i32 / 2, LAND_HEIGHT as i32)), 10, 128); |
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land.draw_thick_line(Line::new(Point::new(0, LAND_HEIGHT as i32 / 2), |
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Point::new(LAND_WIDTH as i32, LAND_HEIGHT as i32 / 2)), 10, 128); |
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land.fill_circle(Point::new(LAND_WIDTH as i32, LAND_HEIGHT as i32) / 2, 60, 128); |
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} |
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} |
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fn draw_random_lines(land: &mut Land2D<u32>) { |
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for i in 0..32 { |
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land.draw_thick_line(Line::new(point(), point()), rnd(5), 128); |
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land.fill_circle(point(), rnd(60), 128); |
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} |
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} |
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fn main() { |
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let sdl = sdl2::init().unwrap(); |
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let _image = sdl2::image::init(sdl2::image::INIT_PNG).unwrap(); |
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let events = sdl.event().unwrap(); |
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let mut pump = sdl.event_pump().unwrap(); |
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let video = sdl.video().unwrap(); |
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let window = video.window("Theme Editor", WINDOW_WIDTH, WINDOW_HEIGHT) |
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.position_centered() |
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.build().unwrap(); |
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let mut source = init_source(); |
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let mut land = source.next( |
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LandGenerationParameters::new(0, u32::max_value(), 1, false, false)); |
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draw_center_mark(&mut land); |
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let mut land_surf = Surface::new(LAND_WIDTH, LAND_HEIGHT, PixelFormatEnum::ARGB8888).unwrap(); |
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fill_texture(&mut land_surf, &land); |
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let mut win_surf = window.surface(&pump).unwrap(); |
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let dest_rect = win_surf.rect(); |
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land_surf.blit_scaled(land_surf.rect(), &mut win_surf, dest_rect).unwrap(); |
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win_surf.update_window(); |
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'pool: loop { |
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use sdl2::event::Event::*; |
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pump.pump_events(); |
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while let Some(event) = pump.poll_event() { |
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match event { |
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Quit{ .. } => break 'pool, |
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_ => () |
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} |
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} |
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} |
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} |