Reworked renderer for new sprite system

crates/render/shaders/include/animate.wgsl

@@ -1,41 +0,0 @@
-// Pick a frame of a sprite animation from an instance.
-fn animate(sprite_index: u32, age: f32, offset: f32) -> f32 {
-
-	let len = global_sprites[sprite_index].frame_count;
-	let rep = global_sprites[sprite_index].repeatmode;
-	let frame_duration = global_sprites[sprite_index].frame_duration;
-	var frame: f32 = 0.0;
-
-	// Once
-	if rep == u32(1) {
-
-		frame = min(
-			age / frame_duration + offset,
-			f32(len) - 1.0
-		);
-
-	// Reverse
-	} else if rep == u32(2) {
-		let x = age / frame_duration + offset;
-		let m = f32(len) * 2.0 - 1.0;
-		// x fmod m
-		frame = x - floor(x / m) * m;
-
-		if frame >= f32(len) {
-			frame = (
-				f32(len) + f32(len) - 1.0
-				// Split integer and fractional part so tweening works properly
-				- floor(frame)
-				+ fract(frame)
-			);
-		}
-
-	// Repeat (default)
-	} else {
-		let x = age / frame_duration + offset;
-		let m = f32(len);
-		frame = x - floor(x / m) * m;
-	}
-	
-	return frame + f32(global_sprites[sprite_index].first_frame);
-}

crates/render/shaders/object.wgsl

@@ -1,8 +1,9 @@
 // INCLUDE: global uniform header
 
 struct InstanceInput {
-	@location(2) sprite_index: u32,
+	@location(2) texture_index: vec2<u32>,
-	@location(3) object_index: u32,
+	@location(3) texture_fade: f32,
+	@location(4) object_index: u32,
 };
 
 struct VertexInput {
@@ -25,20 +26,19 @@ var texture_array: binding_array<texture_2d<f32>>;
 @group(0) @binding(1)
 var sampler_array: binding_array<sampler>;
 
-
+fn transform_vertex(obj: ObjectData, vertex_position: vec2<f32>, texture_index: u32) -> vec4<f32> {
-// INCLUDE: animate.wgsl
-
-fn transform_vertex(obj: ObjectData, vertex_position: vec2<f32>, sprite_index: u32) -> vec4<f32> {
 	// Object scale
 	var scale: f32 = obj.size / (global_data.camera_zoom.x * obj.zpos);
 	if obj.is_child == 1u {
 		scale /= objects[obj.parent].zpos;
 	}
 
+	let texture = global_atlas[texture_index];
+
 	// Apply scale and sprite aspect
 	// Note that our mesh starts centered at (0, 0). This is important!
 	var pos: vec2<f32> = vec2(
-		vertex_position.x * scale * global_sprites[sprite_index].aspect,
+		vertex_position.x * scale * (texture.width / texture.height),
 		vertex_position.y * scale
 	);
 	
@@ -113,18 +113,18 @@ fn vertex_main(
 ) -> VertexOutput {
 	var out: VertexOutput;
 
-
+	out.position = transform_vertex(
-
+		objects[instance.object_index],
-	out.position = transform_vertex(objects[instance.object_index], vertex.position.xy, instance.sprite_index);
+		vertex.position.xy,
+		instance.texture_index.x
+	);
 
 
 	// Compute texture coordinates
-
 	let age = global_data.current_time.x;
-	let frame = animate(instance.sprite_index, age, 0.0);
+	out.tween = instance.texture_fade;
-	out.tween = fract(frame);
 
-	let t = global_atlas[u32(floor(frame))];
+	let t = global_atlas[instance.texture_index.x];
 	out.texture_index_a = u32(t.atlas_texture);
 	out.texture_coords_a = vec2(t.xpos, t.ypos);
 	if vertex.texture_coords.x == 1.0 {
@@ -134,7 +134,7 @@ fn vertex_main(
 		out.texture_coords_a = out.texture_coords_a + vec2(0.0, t.height);
 	}
 
-	let b = global_atlas[u32(floor(animate(instance.sprite_index, age, 1.0)))];
+	let b = global_atlas[instance.texture_index.y];
 	out.texture_index_b = u32(b.atlas_texture);
 	out.texture_coords_b = vec2(b.xpos, b.ypos);
 	if vertex.texture_coords.x == 1.0 {

crates/render/shaders/particle.wgsl

@@ -9,7 +9,8 @@ struct InstanceInput {
 	@location(7) created: f32,
 	@location(8) expires: f32,
 	@location(9) fade: f32,
-	@location(10) sprite_index: u32,
+	@location(10) texture_index: vec2<u32>,
+	@location(11) texture_fade: f32,
 };
 
 struct VertexInput {
@@ -33,9 +34,6 @@ var texture_array: binding_array<texture_2d<f32>>;
 @group(0) @binding(1)
 var sampler_array: binding_array<sampler>;
 
-
-// INCLUDE: animate.wgsl
-
 @vertex
 fn vertex_main(
 	vertex: VertexInput,
@@ -96,9 +94,9 @@ fn vertex_main(
 
 	// Compute texture coordinates
 	let frame = animate(instance.sprite_index, age, 0.0);
-	out.tween = fract(frame);
+	out.tween = instance.texture_fade;
 
-	let t = global_atlas[u32(floor(frame))];
+	let t = global_atlas[instance.texture_index.x];
 	out.texture_index_a = u32(t.atlas_texture);
 	out.texture_coords_a = vec2(t.xpos, t.ypos);
 	if vertex.texture_coords.x == 1.0 {
@@ -108,7 +106,7 @@ fn vertex_main(
 		out.texture_coords_a = out.texture_coords_a + vec2(0.0, t.height);
 	}
 
-	let b = global_atlas[u32(floor(animate(instance.sprite_index, age, 1.0)))];
+	let b = global_atlas[instance.texture_index.y];
 	out.texture_index_b = u32(b.atlas_texture);
 	out.texture_coords_b = vec2(b.xpos, b.ypos);
 	if vertex.texture_coords.x == 1.0 {
@@ -118,7 +116,6 @@ fn vertex_main(
 		out.texture_coords_b = out.texture_coords_b + vec2(0.0, b.height);
 	}
 
-
 	return out;
 }
 

crates/render/shaders/starfield.wgsl

@@ -109,8 +109,7 @@ fn vertex_main(
 
 
 	// Starfield sprites may not be animated
-	let i = global_sprites[global_data.starfield_sprite.x].first_frame;
+	let t = global_atlas[global_data.starfield_sprite.x];
-	let t = global_atlas[i];
 	out.texture_index = u32(t.atlas_texture);
 	out.texture_coords = vec2(t.xpos, t.ypos);
 	if vertex.texture_coords.x == 1.0 {

crates/render/shaders/ui.wgsl

@@ -6,8 +6,9 @@ struct InstanceInput {
 	@location(4) angle: f32,
 	@location(5) size: f32,
 	@location(6) color_transform: vec4<f32>,
-	@location(7) sprite_index: u32,
+	@location(7) texture_index: vec2<u32>,
-	@location(8) mask_index: vec2<u32>,
+	@location(8) texture_fade: f32,
+	@location(9) mask_index: vec2<u32>,
 };
 
 struct VertexInput {
@@ -30,7 +31,6 @@ var texture_array: binding_array<texture_2d<f32>>;
 var sampler_array: binding_array<sampler>;
 
 
-// INCLUDE: animate.wgsl
 // INCLUDE: anchor.wgsl
 
 @vertex
@@ -42,12 +42,15 @@ fn vertex_main(
 
 	let window_dim = global_data.window_size / global_data.window_scale.x;
 	let scale = instance.size / window_dim.y;
-	let sprite_aspect = global_sprites[instance.sprite_index].aspect;
+	let aspect = (
+		global_atlas[instance.texture_index.x].width /
+		global_atlas[instance.texture_index.x].height
+	);
 
 	// Apply scale and sprite aspect
 	// Note that our mesh starts centered at (0, 0). This is important!
 	var pos: vec2<f32> = vec2(
-		vertex.position.x * scale * sprite_aspect,
+		vertex.position.x * scale * aspect,
 		vertex.position.y * scale
 	);
 
@@ -66,7 +69,7 @@ fn vertex_main(
 	pos = pos + anchor(
 		instance.anchor,
 		instance.position,
-		vec2(instance.size * sprite_aspect, instance.size)
+		vec2(instance.size * aspect, instance.size)
 	);
 
 	var out: VertexOutput;
@@ -77,7 +80,7 @@ fn vertex_main(
 
 	// TODO: function to get texture from sprite
 	// Pick texture frame
-	let t = global_atlas[u32(animate(instance.sprite_index, global_data.current_time.x, 0.0))];
+	let t = global_atlas[instance.texture_index.x];
 	out.texture_index = u32(t.atlas_texture);
 	out.texture_coords = vec2(t.xpos, t.ypos);
 	if vertex.texture_coords.x == 1.0 {
@@ -91,8 +94,7 @@ fn vertex_main(
 	// x coordinate of mask index is either 0 or 1, telling us whether or not to use a mask.
 	// y coordinate is mask sprite index
 	if instance.mask_index.x == 1u {
-		let ms = global_sprites[instance.mask_index.y].first_frame;
+		let m = global_atlas[instance.mask_index.y];
-		let m = global_atlas[ms];
 		out.mask_index = vec2(1u, u32(m.atlas_texture));
 		out.mask_coords = vec2(m.xpos, m.ypos);
 		if vertex.texture_coords.x == 1.0 {

crates/render/src/globaluniform/globaluniform.rs

@@ -1,12 +1,11 @@
-use galactica_util::constants::{IMAGE_LIMIT, OBJECT_SPRITE_INSTANCE_LIMIT, SPRITE_LIMIT};
+use galactica_util::constants::{IMAGE_LIMIT, OBJECT_SPRITE_INSTANCE_LIMIT};
 use wgpu;
 
-use super::{object::ObjectLocationArray, AtlasArray, GlobalDataContent, SpriteDataArray};
+use super::{object::ObjectLocationArray, AtlasArray, GlobalDataContent};
 
 pub struct GlobalUniform {
 	pub data_buffer: wgpu::Buffer,
 	pub atlas_buffer: wgpu::Buffer,
-	pub sprite_buffer: wgpu::Buffer,
 	pub object_buffer: wgpu::Buffer,
 	pub bind_group: wgpu::BindGroup,
 	pub bind_group_layout: wgpu::BindGroupLayout,
@@ -70,35 +69,10 @@ impl GlobalUniform {
 		// `Buffer is bound with size 3456 where the shader expects 5184 in group[1] compact index 2`
 		// More notes are in datacontent
 
-		// Sprite data
-		out.push_str(&format!(
-			r#"
-			@group({group}) @binding(2)
-			var<uniform> global_sprites: array<SpriteData, {SPRITE_LIMIT}>;
-			"#
-		));
-		out.push_str("\n");
-		out.push_str(
-			r#"
-			struct SpriteData {
-				frame_count: u32,
-				repeatmode: u32,
-				aspect: f32,
-				frame_duration: f32,
-				first_frame: u32,
-
-				padding_a: f32,
-				padding_b: f32,
-				padding_c: f32,
-			};
-			"#,
-		);
-		out.push_str("\n");
-
 		// Object location data
 		out.push_str(&format!(
 			r#"
-			@group({group}) @binding(3)
+			@group({group}) @binding(2)
 			var<uniform> objects: array<ObjectData, {OBJECT_SPRITE_INSTANCE_LIMIT}>;
 			"#
 		));
@@ -138,13 +112,6 @@ impl GlobalUniform {
 			mapped_at_creation: false,
 		});
 
-		let sprite_buffer = device.create_buffer(&wgpu::BufferDescriptor {
-			label: Some("global uniform sprite buffer"),
-			size: SpriteDataArray::SIZE,
-			usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
-			mapped_at_creation: false,
-		});
-
 		let object_buffer = device.create_buffer(&wgpu::BufferDescriptor {
 			label: Some("global uniform object buffer"),
 			size: ObjectLocationArray::SIZE,
@@ -184,16 +151,6 @@ impl GlobalUniform {
 					},
 					count: None,
 				},
-				wgpu::BindGroupLayoutEntry {
-					binding: 3,
-					visibility: wgpu::ShaderStages::VERTEX_FRAGMENT,
-					ty: wgpu::BindingType::Buffer {
-						ty: wgpu::BufferBindingType::Uniform,
-						has_dynamic_offset: false,
-						min_binding_size: None,
-					},
-					count: None,
-				},
 			],
 			label: Some("global uniform bind group layout"),
 		});
@@ -211,10 +168,6 @@ impl GlobalUniform {
 				},
 				wgpu::BindGroupEntry {
 					binding: 2,
-					resource: sprite_buffer.as_entire_binding(),
-				},
-				wgpu::BindGroupEntry {
-					binding: 3,
 					resource: object_buffer.as_entire_binding(),
 				},
 			],
@@ -224,7 +177,6 @@ impl GlobalUniform {
 		return Self {
 			data_buffer,
 			atlas_buffer,
-			sprite_buffer,
 			object_buffer,
 			bind_group,
 			bind_group_layout,

crates/render/src/globaluniform/mod.rs

@@ -2,10 +2,8 @@ mod atlas;
 mod data;
 mod globaluniform;
 mod object;
-mod sprite;
 
 pub use atlas::{AtlasArray, AtlasImageLocation};
 pub use data::GlobalDataContent;
 pub use globaluniform::GlobalUniform;
 pub use object::ObjectData;
-pub use sprite::{SpriteData, SpriteDataArray};

crates/render/src/globaluniform/sprite.rs

@@ -1,43 +0,0 @@
-use bytemuck::{Pod, Zeroable};
-use galactica_util::constants::SPRITE_LIMIT;
-use std::mem;
-use wgpu;
-
-#[repr(C)]
-#[derive(Debug, Copy, Clone, Pod, Zeroable, Default)]
-pub struct SpriteData {
-	// Animation parameters
-	pub frame_count: u32,
-	pub repeatmode: u32,
-	pub aspect: f32,
-	pub frame_duration: f32,
-
-	// Index of first frame in ImageLocationArray
-	pub first_frame: u32,
-	// stride must be a multiple of 16
-	pub _padding: [f32; 3],
-}
-
-#[derive(Debug, Copy, Clone)]
-pub struct SpriteDataArray {
-	pub data: [SpriteData; SPRITE_LIMIT as usize],
-}
-
-unsafe impl Pod for SpriteDataArray {}
-unsafe impl Zeroable for SpriteDataArray {
-	fn zeroed() -> Self {
-		Self {
-			data: [SpriteData::zeroed(); SPRITE_LIMIT as usize],
-		}
-	}
-}
-
-impl Default for SpriteDataArray {
-	fn default() -> Self {
-		Self::zeroed()
-	}
-}
-
-impl SpriteDataArray {
-	pub const SIZE: u64 = mem::size_of::<Self>() as wgpu::BufferAddress;
-}

crates/render/src/gpustate/mod.rs

@@ -20,7 +20,7 @@ pub struct GPUState {
 
 	object_pipeline: wgpu::RenderPipeline,
 	starfield_pipeline: wgpu::RenderPipeline,
-	particle_pipeline: wgpu::RenderPipeline,
+	//particle_pipeline: wgpu::RenderPipeline,
 	ui_pipeline: wgpu::RenderPipeline,
 	radialbar_pipeline: wgpu::RenderPipeline,
 
@@ -57,12 +57,7 @@ impl GPUState {
 		self.state.queue.write_buffer(
 			&self.state.global_uniform.atlas_buffer,
 			0,
-			bytemuck::cast_slice(&[self.texture_array.image_locations]),
+			bytemuck::cast_slice(&[self.texture_array.texture_atlas]),
-		);
-		self.state.queue.write_buffer(
-			&self.state.global_uniform.sprite_buffer,
-			0,
-			bytemuck::cast_slice(&[self.texture_array.sprite_data]),
 		);
 
 		self.starfield.update_buffer(ct, &mut self.state);

crates/render/src/gpustate/new.rs

@@ -167,6 +167,7 @@ impl GPUState {
 			.set_bind_group_layouts(bind_group_layouts)
 			.build();
 
+		/*
 		let particle_pipeline = PipelineBuilder::new("particle", &device)
 			.set_shader(&preprocess_shader(
 				&include_str!(concat!(
@@ -181,7 +182,7 @@ impl GPUState {
 			.set_triangle(true)
 			.set_vertex_buffer(vertex_buffers.get_particle())
 			.set_bind_group_layouts(bind_group_layouts)
-			.build();
+			.build();*/
 
 		let radialbar_pipeline = PipelineBuilder::new("radialbar", &device)
 			.set_shader(&preprocess_shader(
@@ -228,7 +229,7 @@ impl GPUState {
 			object_pipeline,
 			starfield_pipeline,
 			ui_pipeline,
-			particle_pipeline,
+			//particle_pipeline,
 			radialbar_pipeline,
 
 			state,

crates/render/src/gpustate/phys.rs

@@ -22,7 +22,7 @@ impl GPUState {
 			let ship_pos;
 			let ship_ang;
 			let ship_cnt;
-			match ship.data.get_state() {
+			match ship.get_data().get_state() {
 				ShipState::Dead | ShipState::Landed { .. } => continue,
 
 				ShipState::Collapsing { .. } | ShipState::Flying { .. } => {
@@ -31,7 +31,7 @@ impl GPUState {
 					ship_pos = Point3::new(pos.x, pos.y, 1.0);
 					let ship_rot = r.rotation();
 					ship_ang = ship_rot.angle();
-					ship_cnt = state.ct.get_ship(ship.data.get_content());
+					ship_cnt = state.ct.get_ship(ship.get_data().get_content());
 				}
 
 				ShipState::UnLanding { current_z, .. } | ShipState::Landing { current_z, .. } => {
@@ -40,7 +40,7 @@ impl GPUState {
 					ship_pos = Point3::new(pos.x, pos.y, *current_z);
 					let ship_rot = r.rotation();
 					ship_ang = ship_rot.angle();
-					ship_cnt = state.ct.get_ship(ship.data.get_content());
+					ship_cnt = state.ct.get_ship(ship.get_data().get_content());
 				}
 			}
 
@@ -84,22 +84,23 @@ impl GPUState {
 			);
 
 			// Push this object's instance
+			let anim_state = ship.get_anim_state();
 			self.state.push_object_buffer(ObjectInstance {
-				sprite_index: ship_cnt.sprite.get_index(),
+				texture_index: anim_state.texture_index(),
+				texture_fade: anim_state.fade,
 				object_index: idx as u32,
 			});
 
-			let flare = ship.data.get_outfits().get_flare_sprite(state.ct);
 			if {
-				let is_flying = match ship.data.get_state() {
+				let is_flying = match ship.get_data().get_state() {
 					ShipState::Flying { .. }
 					| ShipState::UnLanding { .. }
 					| ShipState::Landing { .. } => true,
 					_ => false,
 				};
-				ship.get_controls().thrust && flare.is_some() && is_flying
+				ship.get_controls().thrust && is_flying
 			} {
-				for engine_point in &ship_cnt.engines {
+				for (engine_point, anim) in ship.iter_engine_anim() {
 					self.state.queue.write_buffer(
 						&self.state.global_uniform.object_buffer,
 						ObjectData::SIZE * self.state.get_object_counter() as u64,
@@ -122,8 +123,10 @@ impl GPUState {
 						}]),
 					);
 
+					let anim_state = anim.get_texture_idx();
 					self.state.push_object_buffer(ObjectInstance {
-						sprite_index: flare.unwrap().get_index(),
+						texture_index: anim_state.texture_index(),
+						texture_fade: anim_state.fade,
 						object_index: self.state.get_object_counter() as u32,
 					});
 				}
@@ -182,9 +185,10 @@ impl GPUState {
 				}]),
 			);
 
-			// Push this object's instance
+			let anim_state = p.get_anim_state();
 			self.state.push_object_buffer(ObjectInstance {
-				sprite_index: proj_cnt.sprite.get_index(),
+				texture_index: anim_state.texture_index(),
+				texture_fade: anim_state.fade,
 				object_index: idx as u32,
 			});
 		}
@@ -235,9 +239,13 @@ impl GPUState {
 				}]),
 			);
 
+			let sprite = state.ct.get_sprite(o.sprite);
+			let texture_a = sprite.get_section(sprite.default_section).frames[0]; // ANIMATE
+
 			// Push this object's instance
 			self.state.push_object_buffer(ObjectInstance {
-				sprite_index: o.sprite.get_index(),
+				texture_index: [texture_a, texture_a],
+				texture_fade: 1.0,
 				object_index: idx as u32,
 			});
 		}

crates/render/src/gpustate/render.rs

@@ -1,5 +1,6 @@
 use anyhow::Result;
 use bytemuck;
+use galactica_system::{data::ShipState, phys::PhysSimShipHandle};
 use galactica_util::constants::PARTICLE_SPRITE_INSTANCE_LIMIT;
 use glyphon::Resolution;
 use nalgebra::Point2;
@@ -12,9 +13,9 @@ use crate::{
 	RenderInput,
 };
 
-impl super::GPUState {
+impl<'a> super::GPUState {
-	/// Main render function. Draws sprites on a window.
+	/// Render routines while player is flying
-	pub fn render(&mut self, input: RenderInput) -> Result<(), wgpu::SurfaceError> {
+	fn render_flying(&'a mut self, input: &RenderInput) -> Result<()> {
 		let output = self.surface.get_current_texture()?;
 		let view = output.texture.create_view(&Default::default());
 
@@ -45,45 +46,19 @@ impl super::GPUState {
 			timestamp_writes: None,
 		});
 
-		self.state.frame_reset();
-		let s = input.ct.get_starfield_handle();
-
-		// Update global values
-		self.state.queue.write_buffer(
-			&self.state.global_uniform.data_buffer,
-			0,
-			bytemuck::cast_slice(&[GlobalDataContent {
-				camera_position: input.camera_pos.into(),
-				camera_zoom: [input.camera_zoom, 0.0],
-				camera_zoom_limits: [
-					input.ct.get_config().zoom_min,
-					input.ct.get_config().zoom_max,
-				],
-				window_size: [
-					self.state.window_size.width as f32,
-					self.state.window_size.height as f32,
-				],
-				window_scale: [self.state.window.scale_factor() as f32, 0.0],
-				window_aspect: [self.state.window_aspect, 0.0],
-				starfield_sprite: [s.get_index(), 0],
-				starfield_tile_size: [input.ct.get_config().starfield_size, 0.0],
-				starfield_size_limits: [
-					input.ct.get_config().starfield_min_size,
-					input.ct.get_config().starfield_max_size,
-				],
-				current_time: [input.current_time, 0.0],
-			}]),
-		);
-
 		// Write all new particles to GPU buffer
 		for i in input.particles.iter() {
+			let sprite = input.ct.get_sprite(i.sprite);
+			let texture_a = sprite.get_section(sprite.default_section).frames[0]; // ANIMATE
+
 			self.state.push_particle_buffer(ParticleInstance {
 				position: [i.pos.x, i.pos.y],
 				velocity: i.velocity.into(),
 				angle: i.angle,
 				angvel: i.angvel,
 				size: i.size,
-				sprite_index: i.sprite.get_index(),
+				texture_index: [texture_a, texture_a],
+				texture_fade: 1.0,
 				created: input.current_time,
 				expires: input.current_time + i.lifetime,
 				fade: i.fade,
@@ -134,6 +109,7 @@ impl super::GPUState {
 			0..self.state.get_object_counter(),
 		);
 
+		/*
 		// Particle pipeline
 		self.state
 			.vertex_buffers
@@ -144,7 +120,7 @@ impl super::GPUState {
 			0..SPRITE_INDICES.len() as u32,
 			0,
 			0..PARTICLE_SPRITE_INSTANCE_LIMIT as _,
-		);
+		); */
 
 		// Ui pipeline
 		self.state
@@ -171,7 +147,7 @@ impl super::GPUState {
 			0..self.state.get_radialbar_counter(),
 		);
 
-		let textareas = self.ui.get_textareas(&input, &self.state);
+		let textareas = self.ui.get_textareas_flying(input, &self.state);
 		self.state
 			.text_renderer
 			.prepare(
@@ -193,13 +169,175 @@ impl super::GPUState {
 			.render(&self.state.text_atlas, &mut render_pass)
 			.unwrap();
 
-		// begin_render_pass borrows encoder mutably, so we can't call finish()
+		// begin_render_pass borrows encoder mutably,
-		// without dropping this variable.
+		// so we need to drop it before calling finish.
 		drop(render_pass);
 
 		self.state.queue.submit(iter::once(encoder.finish()));
 		output.present();
 
-		Ok(())
+		return Ok(());
+	}
+
+	/// Render routines while player is landed
+	fn render_landed(&'a mut self, input: &RenderInput) -> Result<()> {
+		let output = self.surface.get_current_texture()?;
+		let view = output.texture.create_view(&Default::default());
+
+		let mut encoder = self
+			.device
+			.create_command_encoder(&wgpu::CommandEncoderDescriptor {
+				label: Some("render encoder"),
+			});
+
+		let mut render_pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
+			label: Some("render pass"),
+
+			color_attachments: &[Some(wgpu::RenderPassColorAttachment {
+				view: &view,
+				resolve_target: None,
+				ops: wgpu::Operations {
+					load: wgpu::LoadOp::Clear(wgpu::Color {
+						r: 0.0,
+						g: 0.0,
+						b: 0.0,
+						a: 1.0,
+					}),
+					store: wgpu::StoreOp::Store,
+				},
+			})],
+			depth_stencil_attachment: None,
+			occlusion_query_set: None,
+			timestamp_writes: None,
+		});
+
+		// Create sprite instances
+		self.ui.draw(&input, &mut self.state);
+
+		// These should match the indices in each shader,
+		// and should each have a corresponding bind group layout.
+		render_pass.set_bind_group(0, &self.texture_array.bind_group, &[]);
+		render_pass.set_bind_group(1, &self.state.global_uniform.bind_group, &[]);
+
+		// Starfield pipeline
+		self.state
+			.vertex_buffers
+			.get_starfield()
+			.set_in_pass(&mut render_pass);
+		render_pass.set_pipeline(&self.starfield_pipeline);
+		render_pass.draw_indexed(
+			0..SPRITE_INDICES.len() as u32,
+			0,
+			0..self.state.get_starfield_counter(),
+		);
+
+		// Ui pipeline
+		self.state
+			.vertex_buffers
+			.get_ui()
+			.set_in_pass(&mut render_pass);
+		render_pass.set_pipeline(&self.ui_pipeline);
+		render_pass.draw_indexed(
+			0..SPRITE_INDICES.len() as u32,
+			0,
+			0..self.state.get_ui_counter(),
+		);
+
+		// Radial progress bars
+		self.state
+			.vertex_buffers
+			.get_radialbar()
+			.set_in_pass(&mut render_pass);
+		render_pass.set_pipeline(&self.radialbar_pipeline);
+		render_pass.draw_indexed(
+			0..SPRITE_INDICES.len() as u32,
+			0,
+			0..self.state.get_radialbar_counter(),
+		);
+
+		let textareas = self.ui.get_textareas_landed(input, &self.state);
+		self.state
+			.text_renderer
+			.prepare(
+				&self.device,
+				&self.state.queue,
+				&mut self.state.text_font_system,
+				&mut self.state.text_atlas,
+				Resolution {
+					width: self.state.window_size.width,
+					height: self.state.window_size.height,
+				},
+				textareas,
+				&mut self.state.text_cache,
+			)
+			.unwrap();
+
+		self.state
+			.text_renderer
+			.render(&self.state.text_atlas, &mut render_pass)
+			.unwrap();
+
+		// begin_render_pass borrows encoder mutably,
+		// so we need to drop it before calling finish.
+		drop(render_pass);
+
+		self.state.queue.submit(iter::once(encoder.finish()));
+		output.present();
+
+		return Ok(());
+	}
+
+	/// Main render function. Draws sprites on a window.
+	pub fn render(&mut self, input: RenderInput) -> Result<(), wgpu::SurfaceError> {
+		// Update global values
+		self.state.queue.write_buffer(
+			&self.state.global_uniform.data_buffer,
+			0,
+			bytemuck::cast_slice(&[GlobalDataContent {
+				camera_position: input.camera_pos.into(),
+				camera_zoom: [input.camera_zoom, 0.0],
+				camera_zoom_limits: [
+					input.ct.get_config().zoom_min,
+					input.ct.get_config().zoom_max,
+				],
+				window_size: [
+					self.state.window_size.width as f32,
+					self.state.window_size.height as f32,
+				],
+				window_scale: [self.state.window.scale_factor() as f32, 0.0],
+				window_aspect: [self.state.window_aspect, 0.0],
+				starfield_sprite: [input.ct.get_starfield_texture(), 0],
+				starfield_tile_size: [input.ct.get_config().starfield_size, 0.0],
+				starfield_size_limits: [
+					input.ct.get_config().starfield_min_size,
+					input.ct.get_config().starfield_max_size,
+				],
+				current_time: [input.current_time, 0.0],
+			}]),
+		);
+
+		self.state.frame_reset();
+
+		match input
+			.systemsim
+			.get_ship(&PhysSimShipHandle(input.player.ship.unwrap()))
+			.unwrap()
+			.get_data()
+			.get_state()
+		{
+			ShipState::Collapsing
+			| ShipState::Dead
+			| ShipState::Landing { .. }
+			| ShipState::UnLanding { .. }
+			| ShipState::Flying { .. } => {
+				self.render_flying(&input).unwrap();
+			}
+
+			ShipState::Landed { .. } => {
+				self.render_landed(&input).unwrap();
+			}
+		}
+
+		return Ok(());
 	}
 }

crates/render/src/shaderprocessor.rs

@@ -13,15 +13,6 @@ pub(crate) fn preprocess_shader(
 	);
 
 	// Insert common functions
-	let shader = shader.replace(
-		"// INCLUDE: animate.wgsl",
-		&include_str!(concat!(
-			env!("CARGO_MANIFEST_DIR"),
-			"/shaders/include/",
-			"animate.wgsl"
-		)),
-	);
-
 	let shader = shader.replace(
 		"// INCLUDE: anchor.wgsl",
 		&include_str!(concat!(

crates/render/src/texturearray.rs

@@ -1,4 +1,4 @@
-use crate::globaluniform::{AtlasArray, AtlasImageLocation, SpriteData, SpriteDataArray};
+use crate::globaluniform::{AtlasArray, AtlasImageLocation};
 use anyhow::Result;
 use bytemuck::Zeroable;
 use galactica_content::Content;
@@ -84,8 +84,7 @@ pub struct Texture {
 pub struct TextureArray {
 	pub bind_group: wgpu::BindGroup,
 	pub bind_group_layout: BindGroupLayout,
-	pub image_locations: AtlasArray,
+	pub texture_atlas: AtlasArray,
-	pub sprite_data: SpriteDataArray,
 }
 
 impl TextureArray {
@@ -93,41 +92,28 @@ impl TextureArray {
 		// Load all textures
 		let mut texture_data = Vec::new();
 
-		for a in ct.atlas_files() {
+		for file in ct.atlas_files() {
-			println!("opening {a}");
+			println!("opening {file}");
 			let p = Path::new(ASSET_CACHE);
-			let mut f = File::open(p.join(a))?;
+			let mut f = File::open(p.join(file))?;
 			let mut bytes = Vec::new();
 			f.read_to_end(&mut bytes)?;
 			texture_data.push(RawTexture::from_bytes(
 				&device,
 				&queue,
 				&bytes,
-				&format!("Atlas `{a}`"),
+				&format!("Atlas `{file}`"),
 			)?);
 		}
 
 		let mut image_locations = AtlasArray::zeroed();
-		let mut sprite_data = SpriteDataArray::zeroed();
 
 		println!("sending to gpu");
-		let mut image_counter = 0;
+		for sprite in &ct.sprites {
-		let mut sprite_counter = 0;
+			for section in sprite.iter_sections() {
-		for t in &ct.sprites {
+				for idx in &section.frames {
-			sprite_data.data[sprite_counter] = SpriteData {
+					let image = ct.get_image(*idx);
-				frame_count: t.frames.len() as u32,
+					image_locations.data[*idx as usize] = AtlasImageLocation {
-				repeatmode: t.repeat.as_int(),
-				aspect: t.aspect,
-				frame_duration: t.frame_duration,
-				first_frame: image_counter,
-				_padding: Default::default(),
-			};
-			sprite_counter += 1;
-
-			// Insert texture location data
-			for path in &t.frames {
-				let image = ct.get_image(&path);
-				image_locations.data[image_counter as usize] = AtlasImageLocation {
 						xpos: image.x,
 						ypos: image.y,
 						width: image.w,
@@ -135,7 +121,7 @@ impl TextureArray {
 						atlas_texture: image.atlas,
 						_padding: Default::default(),
 					};
-				image_counter += 1;
+				}
 			}
 		}
 
@@ -192,8 +178,7 @@ impl TextureArray {
 		return Ok(Self {
 			bind_group,
 			bind_group_layout,
-			image_locations,
+			texture_atlas: image_locations,
-			sprite_data,
 		});
 	}
 }

crates/render/src/ui/manager.rs

@@ -32,7 +32,7 @@ impl UiManager {
 
 		self.fps.update(input, state);
 
-		match ship.data.get_state() {
+		match ship.get_data().get_state() {
 			ShipState::Collapsing
 			| ShipState::Dead
 			| ShipState::Flying { .. }
@@ -48,23 +48,22 @@ impl UiManager {
 		}
 	}
 
-	pub fn get_textareas(&self, input: &RenderInput, state: &RenderState) -> Vec<TextArea> {
+	/// Textareas to show while player is flying
+	pub fn get_textareas_flying(
+		&self,
+		_input: &RenderInput,
+		_state: &RenderState,
+	) -> Vec<TextArea> {
 		let mut v = Vec::with_capacity(5);
+		v.push(self.fps.get_textarea());
 
-		let ship_handle = input.player.ship.unwrap();
+		return v;
-		let ship = input
+	}
-			.systemsim
-			.get_ship(&PhysSimShipHandle(ship_handle))
-			.unwrap();
-		match ship.data.get_state() {
-			ShipState::Collapsing
-			| ShipState::Dead
-			| ShipState::Flying { .. }
-			| ShipState::Landing { .. }
-			| ShipState::UnLanding { .. } => v.push(self.fps.get_textarea()),
 
-			ShipState::Landed { .. } => v.extend(self.planet.get_textarea(input, state)),
+	/// Textareas to show when player is landed
-		};
+	pub fn get_textareas_landed(&self, input: &RenderInput, state: &RenderState) -> Vec<TextArea> {
+		let mut v = Vec::with_capacity(5);
+		v.extend(self.planet.get_textarea(input, state));
 
 		return v;
 	}

crates/render/src/ui/radar.rs

@@ -34,7 +34,7 @@ impl Radar {
 			))
 			.unwrap();
 
-		match player_ship.data.get_state() {
+		match player_ship.get_data().get_state() {
 			ShipState::Dead => {}
 
 			ShipState::Landed { target } => {
@@ -60,6 +60,9 @@ impl Radar {
 		let ship_sprite = input.ct.get_sprite_handle("ui::shipblip");
 		let arrow_sprite = input.ct.get_sprite_handle("ui::centerarrow");
 
+		let sprite = input.ct.get_sprite(input.ct.get_sprite_handle("ui::radar"));
+		let texture_a = sprite.get_section(sprite.default_section).frames[0]; // ANIMATE
+
 		// Push this object's instance
 		state.push_ui_buffer(UiInstance {
 			anchor: PositionAnchor::NwNw.to_int(),
@@ -67,7 +70,8 @@ impl Radar {
 			angle: 0.0,
 			size: radar_size,
 			color: [1.0, 1.0, 1.0, 1.0],
-			sprite_index: input.ct.get_sprite_handle("ui::radar").get_index(),
+			texture_index: [texture_a, texture_a],
+			texture_fade: 1.0,
 			mask_index: [0, 0],
 		});
 
@@ -87,6 +91,9 @@ impl Radar {
 					continue;
 				}
 
+				let sprite = input.ct.get_sprite(planet_sprite);
+				let texture_a = sprite.get_section(sprite.default_section).frames[0]; // ANIMATE
+
 				// Push this object's instance
 				state.push_ui_buffer(UiInstance {
 					anchor: PositionAnchor::NwC.to_int(),
@@ -96,7 +103,8 @@ impl Radar {
 					angle: o.angle,
 					size,
 					color: [0.5, 0.5, 0.5, 1.0],
-					sprite_index: planet_sprite.get_index(),
+					texture_index: [texture_a, texture_a],
+					texture_fade: 1.0,
 					mask_index: [0, 0],
 				})
 			};
@@ -104,8 +112,8 @@ impl Radar {
 
 		// Draw ships
 		for (s, r) in input.systemsim.iter_ship_body() {
-			let ship = input.ct.get_ship(s.data.get_content());
+			let ship = input.ct.get_ship(s.get_data().get_content());
-			let (color, z_scale) = match s.data.get_state() {
+			let (color, z_scale) = match s.get_data().get_state() {
 				ShipState::Dead | ShipState::Landed { .. } => {
 					continue;
 				}
@@ -121,7 +129,7 @@ impl Radar {
 					([0.2, 0.2, 0.2, 1.0], 1.0)
 				}
 				ShipState::Flying { .. } => {
-					let c = input.ct.get_faction(s.data.get_faction()).color;
+					let c = input.ct.get_faction(s.get_data().get_faction()).color;
 					([c[0], c[1], c[2], 1.0], 1.0)
 				}
 			};
@@ -144,13 +152,17 @@ impl Radar {
 				let position = Point2::new(radar_size / 2.0 + 10.0, radar_size / -2.0 - 10.0)
 					+ (d * (radar_size / 2.0));
 
+				let sprite = input.ct.get_sprite(ship_sprite);
+				let texture_a = sprite.get_section(sprite.default_section).frames[0]; // ANIMATE
+
 				state.push_ui_buffer(UiInstance {
 					anchor: PositionAnchor::NwC.to_int(),
 					position: position.into(),
 					angle: r.rotation().angle(),
 					size,
 					color,
-					sprite_index: ship_sprite.get_index(),
+					texture_index: [texture_a, texture_a],
+					texture_fade: 1.0,
 					mask_index: [0, 0],
 				});
 			}
@@ -168,6 +180,9 @@ impl Radar {
 			let sprite = input.ct.get_sprite_handle("ui::radarframe");
 			let size = 7.0f32.min((0.8 - m) * 70.0);
 
+			let sprite = input.ct.get_sprite(sprite);
+			let texture_a = sprite.get_section(sprite.default_section).frames[0]; // ANIMATE
+
 			state.push_ui_buffer(UiInstance {
 				anchor: PositionAnchor::NwNw.to_int(),
 				position: Point2::new(
@@ -178,7 +193,8 @@ impl Radar {
 				angle: to_radians(90.0),
 				size,
 				color,
-				sprite_index: sprite.get_index(),
+				texture_index: [texture_a, texture_a],
+				texture_fade: 1.0,
 				mask_index: [0, 0],
 			});
 
@@ -192,7 +208,8 @@ impl Radar {
 				angle: to_radians(180.0),
 				size,
 				color,
-				sprite_index: sprite.get_index(),
+				texture_index: [texture_a, texture_a],
+				texture_fade: 1.0,
 				mask_index: [0, 0],
 			});
 
@@ -206,7 +223,8 @@ impl Radar {
 				angle: to_radians(270.0),
 				size,
 				color,
-				sprite_index: sprite.get_index(),
+				texture_index: [texture_a, texture_a],
+				texture_fade: 1.0,
 				mask_index: [0, 0],
 			});
 
@@ -220,7 +238,8 @@ impl Radar {
 				angle: to_radians(0.0),
 				size,
 				color,
-				sprite_index: sprite.get_index(),
+				texture_index: [texture_a, texture_a],
+				texture_fade: 1.0,
 				mask_index: [0, 0],
 			});
 		}
@@ -233,13 +252,17 @@ impl Radar {
 			let position = Point2::new(10.0 + (radar_size / 2.0), -10.0 - (radar_size / 2.0))
 				+ Rotation2::new(angle) * Vector2::new(0.915 * (radar_size / 2.0), 0.0);
 
+			let sprite = input.ct.get_sprite(arrow_sprite);
+			let texture_a = sprite.get_section(sprite.default_section).frames[0]; // ANIMATE
+
 			state.push_ui_buffer(UiInstance {
 				anchor: PositionAnchor::NwC.to_int(),
 				position: position.into(),
 				angle,
 				size: 10.0,
 				color: [1.0, 1.0, 1.0, 1f32.min((m - 200.0) / 400.0)],
-				sprite_index: arrow_sprite.get_index(),
+				texture_index: [texture_a, texture_a],
+				texture_fade: 1.0,
 				mask_index: [0, 0],
 			});
 		}

crates/render/src/ui/status.rs

@@ -26,32 +26,38 @@ impl Status {
 			))
 			.unwrap();
 
-		match player_ship.data.get_state() {
+		match player_ship.get_data().get_state() {
 			ShipState::Dead => {
 				current_shields = 0.0;
 				current_hull = 0.0;
-				max_shields = player_ship.data.get_outfits().get_shield_strength();
+				max_shields = player_ship.get_data().get_outfits().get_shield_strength();
-				max_hull = input.ct.get_ship(player_ship.data.get_content()).hull;
+				max_hull = input.ct.get_ship(player_ship.get_data().get_content()).hull;
 			}
 			ShipState::UnLanding { .. }
 			| ShipState::Landing { .. }
 			| ShipState::Landed { .. }
 			| ShipState::Collapsing { .. }
 			| ShipState::Flying { .. } => {
-				current_shields = player_ship.data.get_shields();
+				current_shields = player_ship.get_data().get_shields();
-				current_hull = player_ship.data.get_hull();
+				current_hull = player_ship.get_data().get_hull();
-				max_shields = player_ship.data.get_outfits().get_shield_strength();
+				max_shields = player_ship.get_data().get_outfits().get_shield_strength();
-				max_hull = input.ct.get_ship(player_ship.data.get_content()).hull;
+				max_hull = input.ct.get_ship(player_ship.get_data().get_content()).hull;
 			}
 		}
 
+		let sprite = input
+			.ct
+			.get_sprite(input.ct.get_sprite_handle("ui::status"));
+		let texture_a = sprite.get_section(sprite.default_section).frames[0]; // ANIMATE
+
 		state.push_ui_buffer(UiInstance {
 			anchor: PositionAnchor::NeNe.to_int(),
 			position: [-10.0, -10.0],
 			angle: 0.0,
 			size: 200.0,
 			color: [1.0, 1.0, 1.0, 1.0],
-			sprite_index: input.ct.get_sprite_handle("ui::status").get_index(),
+			texture_index: [texture_a, texture_a],
+			texture_fade: 1.0,
 			mask_index: [0, 0],
 		});
 

crates/render/src/vertexbuffer/types.rs

@@ -85,7 +85,13 @@ impl BufferObject for StarfieldInstance {
 #[derive(Copy, Clone, bytemuck::Pod, bytemuck::Zeroable)]
 pub struct ObjectInstance {
 	/// What texture to use for this instance
-	pub sprite_index: u32,
+	/// Result will be a faded mix of the two textures
+	/// given here. Only the first will be shown if fade = 0.0,
+	/// and only the second if fade = 1.0
+	pub texture_index: [u32; 2],
+	/// Fade parameter for texture index
+	/// Must be between 0 and 1.
+	pub texture_fade: f32,
 
 	/// Which object this instance is for
 	pub object_index: u32,
@@ -100,16 +106,22 @@ impl BufferObject for ObjectInstance {
 			// instance when the shader starts processing a new instance
 			step_mode: wgpu::VertexStepMode::Instance,
 			attributes: &[
-				// Sprite
+				// Texture
 				wgpu::VertexAttribute {
 					offset: 0,
 					shader_location: 2,
-					format: wgpu::VertexFormat::Uint32,
+					format: wgpu::VertexFormat::Uint32x2,
+				},
+				// Texture fade
+				wgpu::VertexAttribute {
+					offset: mem::size_of::<[f32; 2]>() as wgpu::BufferAddress,
+					shader_location: 3,
+					format: wgpu::VertexFormat::Float32,
 				},
 				// Object
 				wgpu::VertexAttribute {
-					offset: mem::size_of::<[f32; 1]>() as wgpu::BufferAddress,
+					offset: mem::size_of::<[f32; 3]>() as wgpu::BufferAddress,
-					shader_location: 3,
+					shader_location: 4,
 					format: wgpu::VertexFormat::Uint32,
 				},
 			],
@@ -138,12 +150,14 @@ pub struct UiInstance {
 	/// Fill this array with ones if no recoloring should be done.
 	pub color: [f32; 4],
 
-	/// What texture to use for this sprite
+	/// What texture to use for this instance
-	pub sprite_index: u32,
+	pub texture_index: [u32; 2],
+	/// Fade parameter between textures
+	pub texture_fade: f32,
 
-	/// What mask to use for this sprite
+	/// What texture to use to mask this instance
 	/// If the first element is not 1, no mask is used.
-	/// Second element is sprite index of mask.
+	/// Second element is a texture index
 	pub mask_index: [u32; 2],
 }
 
@@ -186,16 +200,22 @@ impl BufferObject for UiInstance {
 					shader_location: 6,
 					format: wgpu::VertexFormat::Float32x4,
 				},
-				// Sprite
+				// Texture
 				wgpu::VertexAttribute {
 					offset: mem::size_of::<[f32; 9]>() as wgpu::BufferAddress,
 					shader_location: 7,
-					format: wgpu::VertexFormat::Uint32,
+					format: wgpu::VertexFormat::Uint32x2,
+				},
+				// Texture fade
+				wgpu::VertexAttribute {
+					offset: mem::size_of::<[f32; 11]>() as wgpu::BufferAddress,
+					shader_location: 8,
+					format: wgpu::VertexFormat::Float32,
 				},
 				// Mask
 				wgpu::VertexAttribute {
-					offset: mem::size_of::<[f32; 10]>() as wgpu::BufferAddress,
+					offset: mem::size_of::<[f32; 12]>() as wgpu::BufferAddress,
-					shader_location: 8,
+					shader_location: 9,
 					format: wgpu::VertexFormat::Uint32x2,
 				},
 			],
@@ -232,8 +252,10 @@ pub struct ParticleInstance {
 	/// Fade this particle out over this many seconds as it expires
 	pub fade: f32,
 
-	/// What sprite to use for this particle
+	/// What texture to use for this particle
-	pub sprite_index: u32,
+	pub texture_index: [u32; 2],
+	/// Fade parameter for texture index
+	pub texture_fade: f32,
 }
 
 impl BufferObject for ParticleInstance {
@@ -290,11 +312,17 @@ impl BufferObject for ParticleInstance {
 					shader_location: 9,
 					format: wgpu::VertexFormat::Float32,
 				},
-				// Sprite
+				// Texture
 				wgpu::VertexAttribute {
 					offset: mem::size_of::<[f32; 10]>() as wgpu::BufferAddress,
 					shader_location: 10,
-					format: wgpu::VertexFormat::Uint32,
+					format: wgpu::VertexFormat::Uint32x2,
+				},
+				// Texture fade
+				wgpu::VertexAttribute {
+					offset: mem::size_of::<[f32; 12]>() as wgpu::BufferAddress,
+					shader_location: 11,
+					format: wgpu::VertexFormat::Float32,
 				},
 			],
 		}