24 lines
730 B
Rust
24 lines
730 B
Rust
use crate::render::DrawCall;
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use crate::world::World;
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pub fn render_system(world: &World) -> Vec<DrawCall>
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{
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let all_entities = world.entities.all_entities();
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all_entities
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.iter()
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.filter_map(|&entity| {
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let transform = world.transforms.get(entity)?;
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let mesh_component = world.meshes.get(entity)?;
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Some(DrawCall {
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vertex_buffer: mesh_component.mesh.vertex_buffer.clone(),
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index_buffer: mesh_component.mesh.index_buffer.clone(),
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num_indices: mesh_component.mesh.num_indices,
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model: transform.to_matrix(),
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pipeline: mesh_component.pipeline,
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})
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})
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.collect()
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}
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