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Chunking 3

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This commit is contained in:
StephenAdamson
2025-01-15 19:50:18 +00:00
parent 7f1ec77ab0
commit d2e9bb0cf3
6 changed files with 88 additions and 288 deletions
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src/main.rs
+2 -46
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@@ -29,10 +29,9 @@ fn main() {
.add_systems(
Startup,
(
setup_initial_chunks,
camera::spawn_panning_camera,
cursor::setup_cursor,
citizen::spawn_citizens, // New citizen spawning system
citizen::spawn_citizens,
),
)
.add_systems(
@@ -41,8 +40,7 @@ fn main() {
camera::camera_movement,
citizen::citizen_movement,
cursor::move_cursor,
check_camera_position_for_chunks,
citizen::check_citizen_positions_for_chunks, // New citizen-based chunk loading system
// citizen::check_citizen_positions_for_chunks,
),
)
.init_resource::<tile::CameraMoved>()
@@ -56,45 +54,3 @@ fn main() {
)
.run();
}
fn setup_initial_chunks(mut event_writer: EventWriter<tilemap::LoadChunkEvent>) {
println!("setup_initial_chunks");
// // Spawn a 3x3 grid of chunks around the origin
// for x in -5..=5 {
// for y in -5..=5 {
// event_writer.send(tilemap::LoadChunkEvent {
// chunk_position: IVec2::new(x, y),
// });
// }
// }
}
// New system to check camera position and load nearby chunks
fn check_camera_position_for_chunks(
camera_query: Query<&Transform, With<Camera>>,
chunk_map: Res<tilemap::ChunkMap>,
mut event_writer: EventWriter<tilemap::LoadChunkEvent>,
) {
let camera_transform = camera_query.single();
let camera_pos = camera_transform.translation;
// Convert camera position to chunk coordinates
let chunk_x =
(camera_pos.x / (tilemap::CHUNK_SIZE as f32 * constants::TILE_SIZE)).floor() as i32;
let chunk_y =
(camera_pos.y / (tilemap::CHUNK_SIZE as f32 * constants::TILE_SIZE)).floor() as i32;
// Check a 3x3 area around the camera's current chunk
for x in (chunk_x - 2)..=(chunk_x + 2) {
for y in (chunk_y - 2)..=(chunk_y + 2) {
let chunk_pos = IVec2::new(x, y);
// Only spawn new chunks if they haven't been loaded yet
if !chunk_map.loaded_chunks.contains_key(&chunk_pos) {
event_writer.send(tilemap::LoadChunkEvent {
chunk_position: chunk_pos,
});
}
}
}
}