From a59898c4bac133a4dd4966c01a81b1cc66a7f3d9 Mon Sep 17 00:00:00 2001
From: Benau <Benau@users.noreply.github.com>
Date: Sat, 5 Jan 2019 03:21:06 +0800
Subject: [PATCH] Fix compiler warning

---
 src/input/input_manager.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/input/input_manager.cpp b/src/input/input_manager.cpp
index e0c9c5d34..f98c8a512 100644
--- a/src/input/input_manager.cpp
+++ b/src/input/input_manager.cpp
@@ -824,13 +824,14 @@ void InputManager::dispatchInput(Input::InputType type, int deviceID,
                         else
                             return;
 
-                        for (int i=0;i<World::getWorld()->getNumKarts();i++)
+                        const int num_karts = World::getWorld()->getNumKarts();
+                        for (int i=0;i<num_karts;i++)
                         {
                             current_idx = up ? current_idx+1 : current_idx-1;
                             // Handle looping
                             if (current_idx == -1)
-                                current_idx = World::getWorld()->getNumKarts() - 1;
-                            else if (current_idx == World::getWorld()->getNumKarts())
+                                current_idx = num_karts - 1;
+                            else if (current_idx == num_karts)
                                 current_idx = 0;
 
                             if (!World::getWorld()->getKart(current_idx)->isEliminated())