From 6898302fa59c260f2005dd96070bdcaa93674de4 Mon Sep 17 00:00:00 2001
From: Quaternions <krakow20@gmail.com>
Date: Mon, 13 Jan 2025 23:22:18 -0800
Subject: [PATCH] move code to more relevant location

---
 strafe-client/src/mouse_interpolator.rs | 138 ++++++++++++------------
 1 file changed, 67 insertions(+), 71 deletions(-)

diff --git a/strafe-client/src/mouse_interpolator.rs b/strafe-client/src/mouse_interpolator.rs
index e24c727..b46c17d 100644
--- a/strafe-client/src/mouse_interpolator.rs
+++ b/strafe-client/src/mouse_interpolator.rs
@@ -27,76 +27,7 @@ enum BufferState{
 	Initializing(SessionTime,MouseState<PhysicsTimeInner>),
 	Buffered(SessionTime,MouseState<PhysicsTimeInner>),
 }
-impl BufferState{
-	fn next_state(self,ins:DoubleTimedUnbufferedInstruction)->((Option<TimedInstruction<MouseInstruction,PhysicsTimeInner>>,Option<TimedInstruction<OtherInstruction,PhysicsTimeInner>>),Self){
-		let next_state=match self{
-			BufferState::Unbuffered=>{
-				if let PhysicsUnbufferedInstruction::MoveMouse(pos)=ins.instruction.instruction{
-					return ((None,None),BufferState::Initializing(ins.time,MouseState{pos,time:ins.instruction.time}));
-				}
-				BufferState::Unbuffered
-			},
-			BufferState::Initializing(time,mouse_state)=>{
-				let timeout=time+MOUSE_TIMEOUT;
-				if timeout<ins.time{
-					// duplicate the current mouse
-					let ins_mouse=TimedInstruction{
-						// This should be simulation_timer.time(time)
-						// but the timer is not accessible from this scope
-						// and it's just here to say that the mouse isn't moving anyways.
-						time:ins.instruction.time,
-						instruction:MouseInstruction::SetNextMouse(MouseState{pos:mouse_state.pos,time:ins.instruction.time}),
-					};
-					return ((Some(ins_mouse),None),BufferState::Unbuffered);
-				}
-				if let PhysicsUnbufferedInstruction::MoveMouse(pos)=ins.instruction.instruction{
-					let next_mouse_state=MouseState{pos,time:ins.instruction.time};
-					let ins_mouse=TimedInstruction{
-						time:mouse_state.time,
-						instruction:MouseInstruction::ReplaceMouse{
-							s0:mouse_state,
-							s1:next_mouse_state.clone(),
-						},
-					};
-					return ((Some(ins_mouse),None),BufferState::Buffered(ins.time,next_mouse_state));
-				}
-				BufferState::Initializing(time,mouse_state)
-			},
-			BufferState::Buffered(time,mouse_state)=>{
-				// TODO:  deduplicate code with above case
-				let timeout=time+MOUSE_TIMEOUT;
-				if timeout<ins.time{
-					// duplicate the current mouse
-					let ins_mouse=TimedInstruction{
-						// This should be simulation_timer.time(timeout)
-						// but the timer is not accessible from this scope
-						// and it's just here to say that the mouse isn't moving anyways.
-						time:ins.instruction.time,
-						instruction:MouseInstruction::SetNextMouse(MouseState{pos:mouse_state.pos,time:ins.instruction.time}),
-					};
-					return ((Some(ins_mouse),None),BufferState::Unbuffered);
-				}
-				if let PhysicsUnbufferedInstruction::MoveMouse(pos)=ins.instruction.instruction{
-					let next_mouse_state=MouseState{pos,time:ins.instruction.time};
-					let ins_mouse=TimedInstruction{
-						time:ins.instruction.time,
-						instruction:MouseInstruction::SetNextMouse(next_mouse_state.clone()),
-					};
-					return ((Some(ins_mouse),None),BufferState::Buffered(ins.time,next_mouse_state));
-				}
-				BufferState::Buffered(time,mouse_state)
-			},
-		};
-		let ins_other=match ins.instruction.instruction{
-			PhysicsUnbufferedInstruction::MoveMouse(_)=>None,
-			PhysicsUnbufferedInstruction::Other(other_instruction)=>Some(TimedInstruction{
-				time:ins.instruction.time,
-				instruction:other_instruction,
-			}),
-		};
-		((None,ins_other),next_state)
-	}
-}
+
 pub struct MouseInterpolator{
 	buffer_state:BufferState,
 	// double timestamped timeline?
@@ -136,7 +67,72 @@ impl MouseInterpolator{
 		// a mouse event is buffered, but no mouse events have transpired within 10ms
 		// replace_with allows the enum variant to safely be replaced from behind a mutable reference
 		let (ins_mouse,ins_other)=replace_with::replace_with_or_abort_and_return(&mut self.buffer_state,|buffer_state|{
-			buffer_state.next_state(ins)
+			let next_state=match buffer_state{
+				BufferState::Unbuffered=>{
+					if let PhysicsUnbufferedInstruction::MoveMouse(pos)=ins.instruction.instruction{
+						return ((None,None),BufferState::Initializing(ins.time,MouseState{pos,time:ins.instruction.time}));
+					}
+					BufferState::Unbuffered
+				},
+				BufferState::Initializing(time,mouse_state)=>{
+					let timeout=time+MOUSE_TIMEOUT;
+					if timeout<ins.time{
+						// duplicate the current mouse
+						let ins_mouse=TimedInstruction{
+							// This should be simulation_timer.time(time)
+							// but the timer is not accessible from this scope
+							// and it's just here to say that the mouse isn't moving anyways.
+							time:ins.instruction.time,
+							instruction:MouseInstruction::SetNextMouse(MouseState{pos:mouse_state.pos,time:ins.instruction.time}),
+						};
+						return ((Some(ins_mouse),None),BufferState::Unbuffered);
+					}
+					if let PhysicsUnbufferedInstruction::MoveMouse(pos)=ins.instruction.instruction{
+						let next_mouse_state=MouseState{pos,time:ins.instruction.time};
+						let ins_mouse=TimedInstruction{
+							time:mouse_state.time,
+							instruction:MouseInstruction::ReplaceMouse{
+								s0:mouse_state,
+								s1:next_mouse_state.clone(),
+							},
+						};
+						return ((Some(ins_mouse),None),BufferState::Buffered(ins.time,next_mouse_state));
+					}
+					BufferState::Initializing(time,mouse_state)
+				},
+				BufferState::Buffered(time,mouse_state)=>{
+					// TODO:  deduplicate code with above case
+					let timeout=time+MOUSE_TIMEOUT;
+					if timeout<ins.time{
+						// duplicate the current mouse
+						let ins_mouse=TimedInstruction{
+							// This should be simulation_timer.time(timeout)
+							// but the timer is not accessible from this scope
+							// and it's just here to say that the mouse isn't moving anyways.
+							time:ins.instruction.time,
+							instruction:MouseInstruction::SetNextMouse(MouseState{pos:mouse_state.pos,time:ins.instruction.time}),
+						};
+						return ((Some(ins_mouse),None),BufferState::Unbuffered);
+					}
+					if let PhysicsUnbufferedInstruction::MoveMouse(pos)=ins.instruction.instruction{
+						let next_mouse_state=MouseState{pos,time:ins.instruction.time};
+						let ins_mouse=TimedInstruction{
+							time:ins.instruction.time,
+							instruction:MouseInstruction::SetNextMouse(next_mouse_state.clone()),
+						};
+						return ((Some(ins_mouse),None),BufferState::Buffered(ins.time,next_mouse_state));
+					}
+					BufferState::Buffered(time,mouse_state)
+				},
+			};
+			let ins_other=match ins.instruction.instruction{
+				PhysicsUnbufferedInstruction::MoveMouse(_)=>None,
+				PhysicsUnbufferedInstruction::Other(other_instruction)=>Some(TimedInstruction{
+					time:ins.instruction.time,
+					instruction:other_instruction,
+				}),
+			};
+			((None,ins_other),next_state)
 		});
 		if let Some(ins)=ins_mouse{
 			self.physics_timeline.push_front(TimedInstruction{