From 6642b82793c87f1c65632c391ad0dea916db8e41 Mon Sep 17 00:00:00 2001
From: Antonio Martinez <aj@worldsbe.st>
Date: Sun, 18 May 2025 13:41:26 -0400
Subject: [PATCH] Fix TA amp calculation underflow

---
 src/p_spec.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/p_spec.c b/src/p_spec.c
index b8abed3a4..34d93f10c 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -2037,6 +2037,7 @@ static void K_HandleLapIncrement(player_t *player)
 			if (G_TimeAttackStart() && !linecrossed)
 			{
 				linecrossed = leveltime;
+				CONS_Printf("ta start\n");
 				if (starttime > leveltime) // Overlong starts shouldn't reset time on cross
 				{
 					// Award some Amps for a fast start, to counterbalance Obvious Rainbow Driftboost
@@ -2045,9 +2046,13 @@ static void K_HandleLapIncrement(player_t *player)
 					starthaste = TIMEATTACK_START - starthaste; // How much time we wasted before crossing
 
 					tic_t leniency = TICRATE*2; // How long we can take to cross with no penalty to amp payout
-					starthaste = max(0, starthaste - leniency);
 
-					fixed_t ampreward = Easing_OutQuart(starthaste*FRACUNIT/TIMEATTACK_START, 100*FRACUNIT, 0);					
+					if (starthaste <= leniency)
+						starthaste = 0;
+					else
+						starthaste -= leniency;
+
+					fixed_t ampreward = Easing_OutQuart(starthaste*FRACUNIT/TIMEATTACK_START, 100*FRACUNIT, 0);		
 					K_SpawnAmps(player, ampreward/FRACUNIT, player->mo);
 
 					// And reset our time to 0.