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|
//! The `graphics` crate contains the core functionality for
//! rendering using the `raylib` library.
use std::time::Duration;
use dungeon::Dungeon;
use raylib::prelude::*;
use crate::audio::Audio;
use crate::render::Renderer;
mod audio;
mod render;
mod timer;
/// The `Error` type used within this crate
pub type Error = Box<dyn std::error::Error>;
/// The `Result` type used witin this crate
pub type Result<T> = std::result::Result<T, crate::Error>;
#[repr(u8)]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum Key {
// Movement
W,
A,
S,
D,
// Movement (Arrow)
Up,
Down,
Left,
Right,
// Interact
Return,
// Debug keys
F3,
F4,
// Unknown/Unused key
Unknown(KeyboardKey),
}
impl From<KeyboardKey> for Key {
fn from(key: KeyboardKey) -> Self {
use KeyboardKey as K;
match key {
// Movement
K::KEY_W => Self::W,
K::KEY_A => Self::A,
K::KEY_S => Self::S,
K::KEY_D => Self::D,
// Movement (Arrow)
K::KEY_UP => Self::Up,
K::KEY_DOWN => Self::Down,
K::KEY_LEFT => Self::Left,
K::KEY_RIGHT => Self::Right,
// Interact
K::KEY_ENTER => Self::Return,
// Debug keys
K::KEY_F3 => Self::F3,
K::KEY_F4 => Self::F4,
// Unknown/Unused key
_ => Self::Unknown(key),
}
}
}
impl From<Key> for KeyboardKey {
fn from(key: Key) -> Self {
match key {
// Movement
Key::W => Self::KEY_W,
Key::A => Self::KEY_A,
Key::S => Self::KEY_S,
Key::D => Self::KEY_D,
// Movement (Arrow)
Key::Up => Self::KEY_UP,
Key::Down => Self::KEY_DOWN,
Key::Left => Self::KEY_LEFT,
Key::Right => Self::KEY_RIGHT,
// Interact
Key::Return => Self::KEY_ENTER,
// Debug keys
Key::F3 => Self::KEY_F3,
Key::F4 => Self::KEY_F4,
// Unknown/Unused key
Key::Unknown(k) => k,
}
}
}
/// The `WindowBuilder` type allows setting partial options for the window
pub struct WindowBuilder<'a> {
title: &'a str,
width: u16,
height: u16,
vsync: bool,
verbose: bool,
}
impl<'a> WindowBuilder<'a> {
/// Default window builder
pub const fn new() -> Self {
Self {
title: "Dungeon Crawl",
width: render::RENDER_WIDTH,
height: render::RENDER_HEIGHT,
vsync: false,
verbose: false,
}
}
/// Set the window title
pub const fn title(&mut self, title: &'a str) -> &mut Self {
self.title = title;
self
}
/// Set the default window width
pub const fn width(&mut self, width: u16) -> &mut Self {
self.width = width;
self
}
/// Set the default window height
pub const fn height(&mut self, height: u16) -> &mut Self {
self.height = height;
self
}
/// Toggle vsync support
pub const fn vsync(&mut self, vsync: bool) -> &mut Self {
self.vsync = vsync;
self
}
/// Toggle verbose logging
pub const fn verbose(&mut self, verbose: bool) -> &mut Self {
self.verbose = verbose;
self
}
/// Build the window
pub fn build(&self) -> crate::Result<Window> {
let mut builder = raylib::init();
// Set raylib args from builder
builder.size(self.width.into(), self.height.into());
builder.title(self.title);
builder.resizable();
if self.vsync {
builder.vsync();
}
if self.verbose {
builder.log_level(TraceLogLevel::LOG_INFO);
} else {
builder.log_level(TraceLogLevel::LOG_WARNING);
}
let (mut handle, thread) = builder.build();
if !handle.is_window_ready() {
return Err("Raylib window not ready!".into());
}
// update window min size
handle.set_window_min_size(self.width.into(), self.height.into());
// load audio
let audio = Audio::load()?;
// load renderer
let renderer = Renderer::new(&mut handle, &thread)?;
Ok(Window {
renderer,
handle,
thread,
audio,
})
}
}
impl Default for WindowBuilder<'_> {
fn default() -> Self {
Self::new()
}
}
/// The `Window` type represents the game window
pub struct Window {
// persistant renderer
renderer: Renderer,
// core raylib handles
handle: RaylibHandle,
thread: RaylibThread,
// audio data/subsystem
audio: Audio,
}
impl Window {
/// Returns if the window should be closed.
/// This usually means the 'x' button has been pressed.
pub fn is_open(&self) -> bool {
!self.handle.window_should_close()
}
/// Draws the next ingame frame
pub fn draw_frame(&mut self, dungeon: &Dungeon) {
self.renderer
.draw_frame(&mut self.handle, &self.thread, dungeon);
}
/// Toggles the debug UI
pub const fn toggle_debug(&mut self) {
self.renderer.toggle_debug();
}
/// Returns the per frame delta time
pub const fn delta_time(&self) -> Duration {
self.renderer.delta_time()
}
/// Returns if the provided `Key` has just been pressed
pub fn is_key_pressed(&self, key: Key) -> bool {
self.handle.is_key_pressed(key.into())
}
/// Returns if the provided `Key` has just been released
pub fn is_key_released(&self, key: Key) -> bool {
self.handle.is_key_released(key.into())
}
/// Returns if the provided `Key` is NOT currently pressed
pub fn is_key_up(&self, key: Key) -> bool {
self.handle.is_key_up(key.into())
}
/// Returns if the provided `Key` is currently pressed
pub fn is_key_down(&self, key: Key) -> bool {
self.handle.is_key_down(key.into())
}
/// Get audio data for the window
pub const fn audio(&self) -> &Audio {
&self.audio
}
}
|
