Create basic Game struct
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@ -6,3 +6,4 @@ edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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[dependencies]
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sdl2 = "0.35.2"
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63
src/lib.rs
63
src/lib.rs
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@ -1,8 +1,59 @@
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#[cfg(test)]
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use sdl2::{video::{WindowBuildError, Window}, IntegerOrSdlError, render::Canvas, EventPump};
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mod tests {
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#[test]
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pub struct CatboxError(String);
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fn it_works() {
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let result = 2 + 2;
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impl From<WindowBuildError> for CatboxError {
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assert_eq!(result, 4);
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fn from(e: WindowBuildError) -> Self {
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CatboxError(format!("{}", e))
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}
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}
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}
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}
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impl From<String> for CatboxError {
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fn from(e: String) -> Self {
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CatboxError(e)
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}
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}
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impl From<IntegerOrSdlError> for CatboxError {
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fn from(e: IntegerOrSdlError) -> Self {
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CatboxError(format!("{}", e))
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}
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}
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pub type Result<T> = std::result::Result<T, CatboxError>;
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pub struct Game {
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title: String,
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width: u32,
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height: u32,
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}
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impl Game {
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pub fn new(title: &str, width: u32, height: u32) -> Self {
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Self {
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title: title.to_string(),
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width,
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height
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}
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}
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pub fn run<F: Fn(&Canvas<Window>, &EventPump)>(&self, func: F) -> Result<()> {
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let sdl_context = sdl2::init()?;
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let video_subsystem = sdl_context.video()?;
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let window = video_subsystem.window(&self.title, self.width, self.height)
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.position_centered()
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.build()?;
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let mut canvas = window.into_canvas().build()?;
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let mut event_pump = sdl_context.event_pump()?;
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loop {
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func(&canvas, &event_pump);
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canvas.present();
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}
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Ok(())
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}
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}
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