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lyra-engine
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Fix a possible bug
ci/woodpecker/push/build Pipeline was successful Details

This commit is contained in:
SeanOMik 2023-11-12 15:07:52 -05:00
parent 65467c5032
commit e23d4dc731
Signed by: SeanOMik
GPG Key ID: 568F326C7EB33ACB
1 changed files with 18 additions and 9 deletions
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27
src/render/light/mod.rs
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@ -16,8 +16,12 @@ pub struct LightBuffer<U: Default + bytemuck::Pod + bytemuck::Zeroable> {
_phantom: PhantomData<U>,
/// The max amount of light casters that could fit in this buffer.
pub max_count: usize,
/// The current amount of light casters in this buffer.
pub current_count: usize,
/// The amount of light casters that are taking up space in the buffer.
///
/// This means that a light may be inactive in the buffer, by being replaced
/// with a default caster as to not affect lighting. Its easier this way than
/// to recreate the array and remove the gaps.
pub buffer_count: usize,
/// The buffer index for a specific entity/caster.
used_indexes: HashMap<edict::EntityId, usize>,
/// Indexes that were being used but are no longer needed.
@ -29,7 +33,7 @@ impl<U: Default + bytemuck::Pod + bytemuck::Zeroable> LightBuffer<U> {
Self {
_phantom: PhantomData::default(),
max_count,
current_count: 0,
buffer_count: 0,
used_indexes: HashMap::new(),
dead_indexes: VecDeque::new(),
}
@ -52,8 +56,13 @@ impl<U: Default + bytemuck::Pod + bytemuck::Zeroable> LightBuffer<U> {
let buffer_idx = match self.dead_indexes.pop_front() {
Some(i) => i,
None => {
let i = self.current_count;
self.current_count += 1;
let i = self.buffer_count;
self.buffer_count += 1;
// If this assert triggers, you are hitting trying to exceed
// the max amount of lights
assert!(self.buffer_count <= self.max_count);
i
},
};
@ -75,7 +84,7 @@ impl<U: Default + bytemuck::Pod + bytemuck::Zeroable> LightBuffer<U> {
pub fn remove_light(&mut self, lights_buffer: &mut [U; MAX_LIGHT_COUNT], entity: edict::EntityId) -> bool {
if let Some(removed_idx) = self.used_indexes.remove(&entity) {
self.dead_indexes.push_back(removed_idx);
self.current_count -= 1;
//self.current_count -= 1;
lights_buffer[removed_idx] = U::default();
true
@ -99,7 +108,7 @@ impl LightUniformBuffers {
&wgpu::BufferDescriptor {
label: Some("Lights Uniform buffer"),
usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
size: mem::size_of::<LightsUniform>() as u64,
size: (mem::size_of::<LightsUniform>() * MAX_LIGHT_COUNT) as u64,
mapped_at_creation: false,
}
);
@ -129,7 +138,7 @@ impl LightUniformBuffers {
wgpu::BufferBinding {
buffer: &buffer,
offset: 0,
size: Some(NonZeroU64::new(mem::size_of::<LightsUniform>() as u64).unwrap())
size: None, // use the full buffer
}
)
}
@ -158,7 +167,7 @@ impl LightUniformBuffers {
}
}
self.lights_uniform.point_light_count = self.point_lights.current_count as u32;
self.lights_uniform.point_light_count = self.point_lights.buffer_count as u32;
queue.write_buffer(&self.buffer, 0, bytemuck::cast_slice(&[self.lights_uniform]));
}
}