1 files changed, 160 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..717599d
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,160 @@
+use std::collections::HashMap;
+use std::fs::File;
+use std::io::Read;
+use std::num::NonZeroU32;
+use std::path::Path;
+
+use alligator_scripts::ScriptManager;
+use alligator_sprites::SpriteManager;
+use alligator_sys::{Renderer, RendererConfig, Window, WindowConfig, WindowEvent};
+use alligator_textures::TextureManager;
+
+use serde::Deserialize;
+use sha3::{Digest, Sha3_256};
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize)]
+enum ScriptType {
+	Wasm,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize)]
+enum ConfigWindowMode {
+	Windowed,
+	BorderlessFullscreen,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+struct ConfigScript {
+	path: Box<Path>,
+	script_type: ScriptType,
+	hash: Option<String>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+struct ConfigSprite {
+	texture: String,
+	x: f32,
+	y: f32,
+	z: f32,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+struct ConfigTexture {
+	size: usize,
+	path: Box<Path>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+struct Scene {
+	initial_sprites: HashMap<String, ConfigSprite>,
+	initial_scripts: Vec<String>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct Config {
+	alligator_version: usize,
+	scenes: HashMap<String, Scene>,
+	textures: HashMap<String, ConfigTexture>,
+	scripts: HashMap<String, ConfigScript>,
+	default_scene: String,
+	sprite_manager_capacity: u32,
+	default_window_width: NonZeroU32,
+	default_window_height: NonZeroU32,
+	default_window_mode: ConfigWindowMode,
+	window_title: String,
+	vsync: bool,
+}
+
+fn texture_manager(config: &Config) -> TextureManager {
+	let mut textures = TextureManager::new(config.default_textures_size_target);
+	for (key, texture) in config.textures.iter() {
+		textures.add_texture(
+			key.clone().into(),
+			texture.path.clone().into(),
+			texture.size,
+		);
+	}
+
+	textures
+}
+
+fn sprite_manager(config: &Config) -> SpriteManager {
+	SpriteManager::with_capacity(config.sprite_manager_capacity as usize)
+}
+
+fn script_manager(config: &Config) -> ScriptManager {
+	let mut scripts = ScriptManager::new();
+	for (key, script) in config.scripts.iter() {
+		let path = script.path.clone();
+		let trusted = if let Some(hash) = &script.hash {
+			let mut bytes = Vec::new();
+			let mut msg = File::open(&path).unwrap();
+			msg.read_to_end(&mut bytes).unwrap();
+			let mut hasher = Sha3_256::new();
+			hasher.update(bytes);
+			let result = hasher.finalize();
+			hash.as_bytes() == &result[..]
+		} else {
+			false
+		};
+
+		scripts
+			.add_wasm_script(key.clone().into_boxed_str(), path, trusted)
+			.unwrap();
+	}
+
+	scripts
+}
+
+fn window(config: &Config) -> Window {
+	let config = WindowConfig {
+		title: config.window_title.clone(),
+		default_width: config.default_window_width.get(),
+		default_height: config.default_window_height.get(),
+		default_x: 100,
+		default_y: 100,
+		borderless_fullscreen: config.default_window_mode == ConfigWindowMode::BorderlessFullscreen,
+		visible: false,
+	};
+
+	Window::new(config)
+}
+
+fn renderer(config: &Config, window: &Window) -> Renderer {
+	let config = RendererConfig {
+		width: config.default_window_width.get(),
+		height: config.default_window_height.get(),
+		instance_capacity: config.sprite_manager_capacity,
+		fullscreen: false,
+		vsync: config.vsync,
+	};
+
+	Renderer::new(window, config)
+}
+
+fn main() {
+	std::env::set_current_dir(std::env::current_exe().unwrap().parent().unwrap()).unwrap();
+	let config = File::open("game.json").unwrap();
+	let config: Config = serde_json::from_reader(config).unwrap();
+
+	let textures = texture_manager(&config);
+	let sprites = sprite_manager(&config);
+	let scripts = script_manager(&config);
+	let mut window = window(&config);
+
+	window.wait_for_resume();
+
+	let mut renderer = renderer(&config, &window);
+	window.set_visible(true);
+
+	window.run(move |window, event| match event {
+		Some(WindowEvent::RedrawRequest) => {
+			renderer.render_frame();
+		}
+		Some(WindowEvent::CloseRequest) => {
+			std::process::exit(0);
+		}
+		Some(_) => (),
+		None => window.request_redraw(),
+	})
+}