From 58d26505058ce741f20d1143e502a052dd599b56 Mon Sep 17 00:00:00 2001
From: Thoronium <107363768+NotThorny@users.noreply.github.com>
Date: Sun, 6 Aug 2023 22:25:59 -0600
Subject: [PATCH] Fix swim stamina cost (#2287)

---
 .../grasscutter/game/managers/stamina/StaminaManager.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/main/java/emu/grasscutter/game/managers/stamina/StaminaManager.java b/src/main/java/emu/grasscutter/game/managers/stamina/StaminaManager.java
index b05567638..8a0a86b10 100644
--- a/src/main/java/emu/grasscutter/game/managers/stamina/StaminaManager.java
+++ b/src/main/java/emu/grasscutter/game/managers/stamina/StaminaManager.java
@@ -389,6 +389,9 @@ public class StaminaManager extends BasePlayerManager {
             return;
         }
 
+        // Update previous motion state
+        this.previousState = currentState;
+
         // Update the current state.
         this.currentState = motionState;
         // logger.trace(currentState + "\t" + (notifyEntityId == currentAvatarEntityId ? "character" : "vehicle"));
@@ -417,6 +420,11 @@ public class StaminaManager extends BasePlayerManager {
     // Internal handler
 
     private void handleImmediateStamina(GameSession session, @NotNull MotionState motionState) {
+        // Don't double dip on sustained stamina start costs
+        if (previousState == currentState) {
+            return;
+        }
+
         switch (motionState) {
             case MOTION_STATE_CLIMB ->
                 updateStaminaRelative(session, new Consumption(ConsumptionType.CLIMB_START), true);