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lib: initialize PlaybackState more thoroughly

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This commit is contained in:
Rhys Lloyd
2026-03-07 14:33:08 -08:00
parent 495092f79f
commit 3d8b5a0dfe
1 changed files with 30 additions and 9 deletions
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39
lib/src/state.rs
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@@ -194,22 +194,43 @@ impl PlaybackState{
} }
} }
pub(crate) fn process_head(&mut self,block:&v0::Block,head:&v0::Head){ pub(crate) fn process_head(&mut self,block:&v0::Block,head:&v0::Head){
// The whole point of this is to avoid running the realtime events! // Avoid running the realtime events from the beginning.
/* // Run the preceding input event to initialize the state.
for event in &block.input_events[0..head.get_event_index(v0::EventType::Input)]{ if let Some(index)=head.get_event_index(v0::EventType::Input).checked_sub(1)
&&let Some(event)=block.input_events.get(index)
{
self.push_input(&event.event); self.push_input(&event.event);
} }
for event in &block.output_events[0..head.get_event_index(v0::EventType::Output)]{
// Helper function
fn is_output_tick_end(&(_,event):&(usize,&v0::Timed<v0::OutputEvent>))->bool{
event.event.tick_info.contains(v0::TickInfo::TickEnd)
}
// Run two preceding output events to flush out the default state.
let output_end_index=head.get_event_index(v0::EventType::Output);
let mut it=block.output_events[..output_end_index].iter().enumerate().rev();
// Find two TickEnd events before output_end_index
let _first=it.find(is_output_tick_end);
let second=it.find(is_output_tick_end);
// Get the index at the second event, if two TickEnd events don't exist then start at 0
let output_start_index=second.map_or(0,|(i,_)|i);
for event in &block.output_events[output_start_index..output_end_index]{
self.push_output(&event.event); self.push_output(&event.event);
} }
for event in &bot.sound_events[0..head.get_event_index(v0::EventType::Sound)]{
self.push_sound(&event.event); // for event in &bot.sound_events[0..head.get_event_index(v0::EventType::Sound)]{
} // self.push_sound(&event.event);
*/ // }
// Offline events have to be run from the beginning because they contain cumulative state.
// for event in &bot.world_events[0..head.get_event_index(v0::EventType::World)]{ // for event in &bot.world_events[0..head.get_event_index(v0::EventType::World)]{
// self.push_world(&event.event); // self.push_world(&event.event);
// } // }
for event in &block.gravity_events[0..head.get_event_index(v0::EventType::Gravity)]{
// Except for gravity, only the most recent event is relevant.
if let Some(index)=head.get_event_index(v0::EventType::Gravity).checked_sub(1)
&&let Some(event)=block.gravity_events.get(index)
{
self.push_gravity(&event.event); self.push_gravity(&event.event);
} }
for event in &block.run_events[0..head.get_event_index(v0::EventType::Run)]{ for event in &block.run_events[0..head.get_event_index(v0::EventType::Run)]{