rnd-20020508-1-src
[rocksndiamonds.git] / src / libgame / msdos.c
index c6c51db6b65912ce03a3aba80d29a877ea9bd4b7..ea75479de66edec7947d86a2a44315a4315e15e3 100644 (file)
@@ -17,7 +17,9 @@
 #if defined(PLATFORM_MSDOS)
 
 #include "sound.h"
+#include "joystick.h"
 #include "misc.h"
+#include "setup.h"
 #include "pcx.h"
 
 #define AllegroDefaultScreen() (display->screens[display->default_screen])
@@ -54,7 +56,7 @@ boolean wait_for_vsync;
 
 /*
 extern int playing_sounds;
-extern struct SoundControl playlist[MAX_SOUNDS_PLAYING];
+extern struct SoundControl playlist[NUM_MIXER_CHANNELS];
 extern struct SoundControl emptySoundControl;
 */
 
@@ -90,7 +92,7 @@ static void allegro_init_drivers()
 
 static boolean allegro_init_audio()
 {
-  reserve_voices(MAX_SOUNDS_PLAYING, 0);
+  reserve_voices(NUM_MIXER_CHANNELS, 0);
 
   if (install_sound(DIGI_AUTODETECT, MIDI_NONE, NULL) == -1)
     if (install_sound(DIGI_SB, MIDI_NONE, NULL) == -1)
@@ -301,9 +303,9 @@ Display *XOpenDisplay(char *display_name)
   Screen *screen;
   Display *display;
   BITMAP *mouse_bitmap = NULL;
+  char *mouse_filename =getCustomImageFilename(program.msdos_pointer_filename);
 
-  mouse_bitmap = Read_PCX_to_AllegroBitmap(program.msdos_pointer_filename);
-  if (mouse_bitmap == NULL)
+  if ((mouse_bitmap = Read_PCX_to_AllegroBitmap(mouse_filename)) == NULL)
     return NULL;
 
   screen = malloc(sizeof(Screen));
@@ -944,4 +946,57 @@ 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 */