X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fmsdos.c;h=c4c6ff4f4cceca78a66b418d0a00ed3ba78eff67;hb=61c3da024802ecc0268bab42d7499fc0346e4fd3;hp=c6c51db6b65912ce03a3aba80d29a877ea9bd4b7;hpb=dd192af0efbe08a2ec5dedc204cdfb9244c00468;p=rocksndiamonds.git

diff --git a/src/libgame/msdos.c b/src/libgame/msdos.c
index c6c51db6..c4c6ff4f 100644
--- a/src/libgame/msdos.c
+++ b/src/libgame/msdos.c
@@ -1,7 +1,7 @@
 /***********************************************************
 * Artsoft Retro-Game Library                               *
 *----------------------------------------------------------*
-* (c) 1994-2001 Artsoft Entertainment                      *
+* (c) 1994-2006 Artsoft Entertainment                      *
 *               Holger Schemel                             *
 *               Detmolder Strasse 189                      *
 *               33604 Bielefeld                            *
@@ -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])
@@ -52,22 +54,16 @@ static int global_colormap_entries_used = 0;
 
 boolean wait_for_vsync;
 
-/*
-extern int playing_sounds;
-extern struct SoundControl playlist[MAX_SOUNDS_PLAYING];
-extern struct SoundControl emptySoundControl;
-*/
-
 static BITMAP *Read_PCX_to_AllegroBitmap(char *);
 
 static void allegro_init_drivers()
 {
   int i;
 
-  for (i=0; i<MAX_EVENT_BUFFER; i++)
+  for (i = 0; i < MAX_EVENT_BUFFER; i++)
     event_buffer[i].type = 0;
 
-  for (i=0; i<MAX_SCANCODES; i++)
+  for (i = 0; i < MAX_SCANCODES; i++)
     key_press_state[i] = KeyReleaseMask;
 
   last_mouse_pos = mouse_pos;
@@ -90,7 +86,7 @@ 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)
@@ -248,7 +244,7 @@ Pixel AllegroAllocColorCell(int r, int g, int b)
   b >>= 10;
 
   /* try to use existing colors from the global colormap */
-  for (i=0; i<global_colormap_entries_used; i++)
+  for (i = 0; i < global_colormap_entries_used; i++)
   {
     if (r == global_colormap[i].r &&
 	g == global_colormap[i].g &&
@@ -301,9 +297,9 @@ Display *XOpenDisplay(char *display_name)
   Screen *screen;
   Display *display;
   BITMAP *mouse_bitmap = NULL;
+  char *mouse_filename = getCustomImageFilename(program.msdos_cursor_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));
@@ -333,8 +329,8 @@ Display *XOpenDisplay(char *display_name)
 
 Window XCreateSimpleWindow(Display *display, Window parent, int x, int y,
 			   unsigned int width, unsigned int height,
-			   unsigned int border_width, unsigned long border,
-			   unsigned long background)
+			   unsigned int border_width, unsigned int border,
+			   unsigned int background)
 {
   video_bitmap = create_video_bitmap(XRES, YRES);
   clear_to_color(video_bitmap, background);
@@ -382,11 +378,10 @@ Status XStringListToTextProperty(char **list, int count,
 
 void XFree(void *data)
 {
-  if (data)
-    free(data);
+  checked_free(data);
 }
 
-GC XCreateGC(Display *display, Drawable d, unsigned long value_mask,
+GC XCreateGC(Display *display, Drawable d, unsigned int value_mask,
 	     XGCValues *values)
 {
   XGCValues *gcv;
@@ -445,7 +440,7 @@ Pixmap XCreatePixmap(Display *display, Drawable d, unsigned int width,
   BITMAP *bitmap = NULL;
 
   if (gfx_capabilities & GFX_HW_VRAM_BLIT &&
-      width  == gfx.scrollbuffer_width && height == gfx.scrollbuffer_height)
+      width == gfx.scrollbuffer_width && height == gfx.scrollbuffer_height)
     bitmap = create_video_bitmap(width, height);
 
   if (bitmap == NULL)
@@ -520,7 +515,7 @@ static BITMAP *Image_to_AllegroBitmap(Image *image)
   clear(bitmap);
 
   /* try to use existing colors from the global colormap */
-  for (i=0; i<MAX_COLORS; i++)
+  for (i = 0; i < MAX_COLORS; i++)
   {
     if (!image->rgb.color_used[i])
       continue;
@@ -531,8 +526,8 @@ static BITMAP *Image_to_AllegroBitmap(Image *image)
   }
 
   /* copy bitmap data */
-  for (y=0; y<image->height; y++)
-    for (x=0; x<image->width; x++)
+  for (y = 0; y < image->height; y++)
+    for (x = 0; x < image->width; x++)
       putpixel(bitmap, x, y, pixel_mapping[*src_ptr++]);
 
   return bitmap;
@@ -602,11 +597,9 @@ void XFreePixmap(Display *display, Pixmap pixmap)
 
 void XFreeGC(Display *display, GC gc)
 {
-  XGCValues *gcv;
+  XGCValues *gcv = (XGCValues *)gc;
 
-  gcv = (XGCValues *)gc;
-  if (gcv)
-    free(gcv);
+  checked_free(gcv);
 }
 
 void XUnmapWindow(Display *display, Window window)
@@ -620,11 +613,8 @@ void XCloseDisplay(Display *display)
   if (is_screen_bitmap(bitmap))
     destroy_bitmap(bitmap);
 
-  if (display->screens)
-    free(display->screens);
-
-  if (display)
-    free(display);
+  checked_free(display->screens);
+  checked_free(display);
 
   /* return to text mode (or DOS box on Windows screen) */
   set_gfx_mode(GFX_TEXT, 0, 0, 0, 0);
@@ -675,7 +665,7 @@ static void HandleKeyboardRaw(int mode)
 {
   int i;
 
-  for (i=0; i<MAX_SCANCODES; i++)
+  for (i = 0; i < MAX_SCANCODES; i++)
   {
     int scancode, new_state, event_type;
     char key_pressed;
@@ -787,7 +777,7 @@ int XPending(Display *display)
   /* mouse button event */
   if (mouse_b != last_mouse_b)
   {
-    for (i=0; i<3; i++)		/* check all three mouse buttons */
+    for (i = 0; i < 3; i++)	/* check all three mouse buttons */
     {
       int bitmask = (1 << i);
 
@@ -821,7 +811,7 @@ int XLookupString(XKeyEvent *key_event, char *buffer, int buffer_size,
   return 0;
 }
 
-void XSetForeground(Display *display, GC gc, unsigned long pixel)
+void XSetForeground(Display *display, GC gc, unsigned int pixel)
 {
   XGCValues *gcv = (XGCValues *)gc;
 
@@ -921,6 +911,14 @@ Pixel AllegroGetPixel(Drawable d, int x, int y)
   return getpixel((BITMAP *)d, x, y);
 }
 
+void AllegroZoomBitmap(Drawable src, Drawable dst,
+		       int src_width, int src_height,
+		       int dst_width, int dst_height)
+{
+  stretch_blit((BITMAP *)src, (BITMAP *)dst,
+	       0, 0, src_width, src_height, 0, 0, dst_width, dst_height);
+}
+
 void MSDOSOpenAudio(void)
 {
   if (allegro_init_audio())
@@ -929,9 +927,13 @@ void MSDOSOpenAudio(void)
     audio.music_available = TRUE;
     audio.loops_available = TRUE;
     audio.sound_enabled = TRUE;
-  }
 
-  InitPlaylist();
+    audio.num_channels = NUM_MIXER_CHANNELS;
+    audio.music_channel = MUSIC_CHANNEL;
+    audio.first_sound_channel = FIRST_SOUND_CHANNEL;
+
+    Mixer_InitChannels();
+  }
 }
 
 void MSDOSCloseAudio(void)
@@ -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 */