Added constants

crates/constants/src/lib.rs

@@ -55,3 +55,9 @@ pub const PARTICLE_SPRITE_INSTANCE_LIMIT: u64 = 1000;
 
 /// Must be small enough to fit in an i32
 pub const STARFIELD_SPRITE_INSTANCE_LIMIT: u64 = STARFIELD_COUNT * 24;
+
+/// The maximum number of sprites we can define
+pub const SPRITE_LIMIT: u32 = 1024;
+
+/// The maximum number of images we can load
+pub const IMAGE_LIMIT: u32 = 1024;

crates/render/src/globaluniform/atlascontent.rs

@@ -1,4 +1,5 @@
 use bytemuck::{Pod, Zeroable};
+use galactica_constants::IMAGE_LIMIT;
 use std::mem;
 use wgpu;
 
@@ -14,14 +15,14 @@ pub struct ImageLocation {
 
 #[derive(Debug, Copy, Clone)]
 pub struct ImageLocationArray {
-	pub data: [ImageLocation; 108],
+	pub data: [ImageLocation; IMAGE_LIMIT as usize],
 }
 
 unsafe impl Pod for ImageLocationArray {}
 unsafe impl Zeroable for ImageLocationArray {
 	fn zeroed() -> Self {
 		Self {
-			data: [ImageLocation::zeroed(); 108],
+			data: [ImageLocation::zeroed(); IMAGE_LIMIT as usize],
 		}
 	}
 }

crates/render/src/globaluniform/globaluniform.rs

@@ -1,3 +1,4 @@
+use galactica_constants::{IMAGE_LIMIT, SPRITE_LIMIT};
 use wgpu;
 
 use super::{AtlasContent, DataContent, SpriteContent};
@@ -30,7 +31,7 @@ impl GlobalUniform {
 				starfield_size_limits: vec2<f32>,
 				current_time: vec2<f32>,
 			};
-		"#,
+			"#,
 		);
 		out.push_str("\n");
 
@@ -44,11 +45,16 @@ impl GlobalUniform {
 				width: f32,
 				height: f32,
 			};
-			struct AtlasUniform {
+			"#,
-				data: array<ImageLocation, 108>,
-			};
-		"#,
 		);
+		out.push_str(&format!(
+			r#"
+			struct AtlasUniform {{
+				data: array<ImageLocation, {}>,
+			}};
+			"#,
+			IMAGE_LIMIT,
+		));
 		out.push_str("\n");
 
 		// TODO: document
@@ -72,11 +78,16 @@ impl GlobalUniform {
 				padding_b: f32,
 				padding_c: f32,
 			};
-			struct SpriteUniform {
+			"#,
-				data: array<SpriteData, 108>,
-			};
-		"#,
 		);
+		out.push_str(&format!(
+			r#"
+			struct SpriteUniform {{
+				data: array<SpriteData, {}>,
+			}};
+			"#,
+			SPRITE_LIMIT,
+		));
 		out.push_str("\n");
 
 		return out;

crates/render/src/globaluniform/spritecontent.rs

@@ -1,4 +1,5 @@
 use bytemuck::{Pod, Zeroable};
+use galactica_constants::SPRITE_LIMIT;
 use std::mem;
 use wgpu;
 
@@ -19,14 +20,14 @@ pub struct SpriteData {
 
 #[derive(Debug, Copy, Clone)]
 pub struct SpriteDataArray {
-	pub data: [SpriteData; 108],
+	pub data: [SpriteData; SPRITE_LIMIT as usize],
 }
 
 unsafe impl Pod for SpriteDataArray {}
 unsafe impl Zeroable for SpriteDataArray {
 	fn zeroed() -> Self {
 		Self {
-			data: [SpriteData::zeroed(); 108],
+			data: [SpriteData::zeroed(); SPRITE_LIMIT as usize],
 		}
 	}
 }