From 74e1b8b7548e6d14eb9be748279e8100a766cf04 Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Sat, 19 Apr 2014 01:12:13 -0400
Subject: joystick: Add an axis to allow strafing.

Modern gamepads typically have 2-3 D-pads and joysticks. This means
that it's desirable to be able to use one joystick for turning and
another for strafing. Add another axis in addition to the current X
and y axes that performs strafe movement.
---
 src/heretic/g_game.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'src/heretic')

diff --git a/src/heretic/g_game.c b/src/heretic/g_game.c
index 64186769..3b86fa6b 100644
--- a/src/heretic/g_game.c
+++ b/src/heretic/g_game.c
@@ -195,6 +195,7 @@ int dclicktime2, dclickstate2, dclicks2;
 #define MAX_JOY_BUTTONS 20
 
 int joyxmove, joyymove;         // joystick values are repeated
+int joystrafemove;
 boolean joyarray[MAX_JOY_BUTTONS + 1];
 boolean *joybuttons = &joyarray[1];     // allow [-1]
 
@@ -379,10 +380,10 @@ void G_BuildTiccmd(ticcmd_t *cmd, int maketic)
     if (joyymove > 0)
         forward -= forwardmove[speed];
     if (gamekeydown[key_straferight] || mousebuttons[mousebstraferight]
-     || joybuttons[joybstraferight])
+     || joybuttons[joybstraferight] || joystrafemove > 0)
         side += sidemove[speed];
     if (gamekeydown[key_strafeleft] || mousebuttons[mousebstrafeleft]
-     || joybuttons[joybstrafeleft])
+     || joybuttons[joybstrafeleft] || joystrafemove < 0)
         side -= sidemove[speed];
 
     // Look up/down/center keys
@@ -663,7 +664,7 @@ void G_DoLoadLevel(void)
 //
 
     memset(gamekeydown, 0, sizeof(gamekeydown));
-    joyxmove = joyymove = 0;
+    joyxmove = joyymove = joystrafemove = 0;
     mousex = mousey = 0;
     sendpause = sendsave = paused = false;
     memset(mousearray, 0, sizeof(mousearray));
@@ -879,6 +880,7 @@ boolean G_Responder(event_t * ev)
             SetJoyButtons(ev->data1);
             joyxmove = ev->data2;
             joyymove = ev->data3;
+            joystrafemove = ev->data4;
             return (true);      // eat events
 
         default:
-- 
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