X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fmsdos.c;fp=src%2Flibgame%2Fmsdos.c;h=5ca9768d383f2cefada32a00b221b6625411c205;hb=e0e2697df0d0da483a91b1248c120aef6b3caf9b;hp=c6c51db6b65912ce03a3aba80d29a877ea9bd4b7;hpb=41e8d55b767c898f20c29a1b0b8d2ef8840be2f5;p=rocksndiamonds.git

diff --git a/src/libgame/msdos.c b/src/libgame/msdos.c
index c6c51db6..5ca9768d 100644
--- a/src/libgame/msdos.c
+++ b/src/libgame/msdos.c
@@ -17,6 +17,7 @@
 #if defined(PLATFORM_MSDOS)
 
 #include "sound.h"
+#include "joystick.h"
 #include "misc.h"
 #include "pcx.h"
 
@@ -944,4 +945,57 @@ void NetworkServer(int port, int serveronly)
   Error(ERR_WARN, "networking not supported in DOS version");
 }
 
+
+/* ========================================================================= */
+/* joystick functions                                                        */
+/* ========================================================================= */
+
+void MSDOSInitJoysticks()
+{
+  int i;
+
+  /* start from scratch */
+  remove_joystick();
+
+  /* try to access two joysticks; if that fails, try to access just one */
+  if (install_joystick(JOY_TYPE_2PADS) == 0 ||
+      install_joystick(JOY_TYPE_AUTODETECT) == 0)
+    joystick.status = JOYSTICK_ACTIVATED;
+
+  for (i=0; i<MAX_PLAYERS; i++)
+  {
+    char *device_name = setup.input[i].joy.device_name;
+    int joystick_nr = getJoystickNrFromDeviceName(device_name);
+
+    if (joystick_nr >= num_joysticks)
+      joystick_nr = -1;
+
+    /* misuse joystick file descriptor variable to store joystick number */
+    joystick.fd[i] = joystick_nr;
+  }
+}
+
+boolean MSDOSReadJoystick(int nr, int *x, int *y, boolean *b1, boolean *b2)
+{
+  /* the allegro global variable 'num_joysticks' contains the number
+     of joysticks found at initialization under MS-DOS / Windows */
+
+  if (nr < 0 || nr >= num_joysticks)
+    return FALSE;
+
+  poll_joystick();
+
+  if (x != NULL)
+    *x = joy[nr].stick[0].axis[0].pos;
+  if (y != NULL)
+    *y = joy[nr].stick[0].axis[1].pos;
+
+  if (b1 != NULL)
+    *b1 = joy[nr].button[0].b;
+  if (b2 != NULL)
+    *b2 = joy[nr].button[1].b;
+
+  return TRUE;
+}
+
 #endif /* PLATFORM_MSDOS */