copy graphical data

Cargo.lock

@@ -5451,6 +5451,7 @@ name = "strafe-ai"
 version = "0.1.0"
 dependencies = [
  "burn",
+ "png",
  "pollster",
  "strafesnet_common",
  "strafesnet_graphics",

Cargo.toml

@@ -14,3 +14,4 @@ strafesnet_roblox_bot_file = { version = "0.9.4", registry = "strafesnet" }
 strafesnet_roblox_bot_player = { version = "=0.6.2-depth", registry = "strafesnet" }
 strafesnet_snf = { version = "0.4.0", registry = "strafesnet" }
 pollster = "0.4.0"
+png = "0.18.1"

src/main.rs

@@ -11,6 +11,21 @@ const LIMITS: wgpu::Limits = wgpu::Limits::defaults();
 use strafesnet_graphics::setup;
 use strafesnet_roblox_bot_file::v0;
 
+pub fn output_image_native(image_data: &[u8], texture_dims: (usize, usize), path: String) {
+	use std::io::Write;
+
+	let mut png_data = Vec::<u8>::with_capacity(image_data.len());
+	let mut encoder =
+		png::Encoder::new(&mut png_data, texture_dims.0 as u32, texture_dims.1 as u32);
+	encoder.set_color(png::ColorType::Grayscale);
+	let mut png_writer = encoder.write_header().unwrap();
+	png_writer.write_image_data(image_data).unwrap();
+	png_writer.finish().unwrap();
+
+	let mut file = std::fs::File::create(&path).unwrap();
+	file.write_all(&png_data).unwrap();
+}
+
 const SIZE_X: usize = 64;
 const SIZE_Y: usize = 36;
 const INPUT: usize = SIZE_X * SIZE_Y;
@@ -129,7 +144,9 @@ fn training() {
 		mip_level_count: 1,
 		sample_count: 1,
 		dimension: wgpu::TextureDimension::D2,
-		usage: wgpu::TextureUsages::RENDER_ATTACHMENT | wgpu::TextureUsages::TEXTURE_BINDING,
+		usage: wgpu::TextureUsages::RENDER_ATTACHMENT
+			| wgpu::TextureUsages::TEXTURE_BINDING
+			| wgpu::TextureUsages::COPY_SRC,
 		view_formats: &[],
 	});
 	let graphics_texture_view = graphics_texture.create_view(&wgpu::TextureViewDescriptor {
@@ -164,7 +181,7 @@ fn training() {
 	let mut last_mx = first.event.mouse_pos.x;
 	let mut last_my = first.event.mouse_pos.y;
 
-	for input_event in it {
+	for (i, input_event) in it.enumerate() {
 		let mouse_dx = input_event.event.mouse_pos.x - last_mx;
 		let mouse_dy = input_event.event.mouse_pos.y - last_my;
 		last_mx = input_event.event.mouse_pos.x;
@@ -251,7 +268,7 @@ fn training() {
 		// copy the depth texture into ram
 		encoder.copy_texture_to_buffer(
 			wgpu::TexelCopyTextureInfo {
-				texture: graphics.depth_texture(),
+				texture: &graphics_texture,
 				mip_level: 0,
 				origin: wgpu::Origin3d::ZERO,
 				aspect: wgpu::TextureAspect::All,
@@ -288,16 +305,29 @@ fn training() {
 		}
 		output_staging_buffer.unmap();
 
+		println!("{texture_data:?}");
+
 		// discombolulate stride
 		for y in 0..size.y {
 			inputs.extend(
 				texture_data[(stride_size * y) as usize
 					..(stride_size * y + size.x * size_of::<f32>() as u32) as usize]
 					.chunks_exact(4)
-					.map(|b| f32::from_le_bytes(b.try_into().unwrap())),
+					.map(|b| b[0] as f32 + b[1] as f32 + b[2] as f32),
 			)
 		}
 
+		// write a png
+		output_image_native(
+			&inputs[i * INPUT..(i + 1) * INPUT]
+				.iter()
+				.copied()
+				.map(|f| (f * 255.0) as u8)
+				.collect::<Vec<u8>>(),
+			(SIZE_X, SIZE_Y),
+			format!("depth_images/{i}.png").into(),
+		);
+
 		texture_data.clear();
 	}