Rough draft for lean speed/angle toggle

* fixes NeotokyoRebuild#450

mp/src/game/shared/neo/neo_predicted_viewmodel.cpp

@@ -138,9 +138,8 @@ void CNEOPredictedViewModel::DrawRenderToTextureDebugInfo(IClientRenderable* pRe
 #endif
 
 ConVar neo_lean_debug_draw_hull("neo_lean_debug_draw_hull", "0", FCVAR_CHEAT | FCVAR_REPLICATED);
-ConVar neo_lean_speed("neo_lean_speed", "0.333", FCVAR_REPLICATED | FCVAR_CHEAT, "Lean speed scale", true, 0.0, false, 1000.0);
-// Original Neotokyo with the latest leftlean fix uses 7 for leftlean and 15 for rightlean yaw slide.
-ConVar neo_lean_yaw_peek_left_amount("neo_lean_yaw_peek_left_amount", "7.0", FCVAR_REPLICATED | FCVAR_CHEAT, "How far sideways will a full left lean view reach.", true, 0.001f, false, 0);
+ConVar neo_lean_speed("neo_lean_speed", "0.2", FCVAR_REPLICATED | FCVAR_CHEAT, "Lean speed scale", true, 0.0, false, 1000.0);
+ConVar neo_lean_yaw_peek_left_amount("neo_lean_yaw_peek_left_amount", "15.0", FCVAR_REPLICATED | FCVAR_CHEAT, "How far sideways will a full left lean view reach.", true, 0.001f, false, 0);
 ConVar neo_lean_yaw_peek_right_amount("neo_lean_yaw_peek_right_amount", "15.0", FCVAR_REPLICATED | FCVAR_CHEAT, "How far sideways will a full right lean view reach.", true, 0.001f, false, 0);
 ConVar neo_lean_angle_percentage("neo_lean_angle_percentage", "0.75", FCVAR_REPLICATED | FCVAR_CHEAT, "for adjusting the actual angle of lean to a percentage of lean.", true, 0.0, true, 1.0);
 ConVar neo_lean_tp_exaggerate_scale("neo_lean_tp_exaggerate_scale", "2", FCVAR_REPLICATED | FCVAR_CHEAT, "How much more to scale leaning motion in 3rd person animation vs 1st person viewmodel.", true, 0.0, false, 0);
@@ -299,14 +298,14 @@ float CNEOPredictedViewModel::lean(CNEO_Player *player){
 
 
 	if (dY != 0){
-		const float leanStep = 0.25f;
+		static constexpr float LEAN_SNAP = 0.25f;
 
 		// Almost done leaning; snap to zero to avoid back-and-forth "wiggle"
-		if (fabs(dY) - leanStep < 0) {
+		if (fabs(dY) - LEAN_SNAP < 0) {
 			Ycurrent = Yfinal;
 		}
 		else {
-			Ycurrent = Lerp(leanStep * neo_lean_speed.GetFloat(), Ycurrent, Yfinal);
+			Ycurrent = Lerp(neo_lean_speed.GetFloat(), Ycurrent, Yfinal);
 		}
 	}
 
@@ -349,15 +348,7 @@ float CNEOPredictedViewModel::lean(CNEO_Player *player){
 	SetNextThink(gpGlobals->curtime);
 #endif
 
-	if (leanAngle >= 0)
-	{
-		return leanAngle * neo_lean_tp_exaggerate_scale.GetFloat();
-	}
-	else
-	{
-		const float leftleanOverleanRatio = (neo_lean_yaw_peek_right_amount.GetFloat() / neo_lean_yaw_peek_left_amount.GetFloat());
-		return leanAngle * neo_lean_tp_exaggerate_scale.GetFloat() * leftleanOverleanRatio;
-	}
+	return leanAngle * neo_lean_tp_exaggerate_scale.GetFloat();
 }
 
 void CNEOPredictedViewModel::CalcViewModelView(CBasePlayer *pOwner,