/***********************************************************
-* Rocks'n'Diamonds -- McDuffin Strikes Back! *
+* Artsoft Retro-Game Library *
*----------------------------------------------------------*
-* ©1995 Artsoft Development *
-* Holger Schemel *
-* 33659 Bielefeld-Senne *
-* Telefon: (0521) 493245 *
-* eMail: aeglos@valinor.owl.de *
-* aeglos@uni-paderborn.de *
-* q99492@pbhrzx.uni-paderborn.de *
+* (c) 1994-2002 Artsoft Entertainment *
+* Holger Schemel *
+* Detmolder Strasse 189 *
+* 33604 Bielefeld *
+* Germany *
+* e-mail: info@artsoft.org *
*----------------------------------------------------------*
-* msdos.c *
+* msdos.c *
***********************************************************/
-#include "libgame.h"
+#include "system.h"
+
#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])
+
/* allegro driver declarations */
DECLARE_GFX_DRIVER_LIST(GFX_DRIVER_VBEAF GFX_DRIVER_VESA2L GFX_DRIVER_VESA1)
DECLARE_COLOR_DEPTH_LIST(COLOR_DEPTH_8)
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()
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)
}
}
-void XMapWindow(Display *display, Window window)
-{
- int x, y;
- unsigned int width, height;
- boolean mouse_off;
-
- x = display->screens[display->default_screen].x;
- y = display->screens[display->default_screen].y;
- width = display->screens[display->default_screen].width;
- height = display->screens[display->default_screen].height;
-
- mouse_off = hide_mouse(display, x, y, width, height);
- blit((BITMAP *)window, video_bitmap, 0, 0, x, y, width, height);
-
- if (mouse_off)
- unhide_mouse(display);
-}
-
-static unsigned long AllocColorCell(int r, int g, int b)
+Pixel AllegroAllocColorCell(int r, int g, int b)
{
byte pixel_mapping = 0;
int i;
if (global_colormap_entries_used < MAX_COLORS)
global_colormap_entries_used++;
+ i = global_colormap_entries_used - 1;
+
global_colormap[i].r = r;
global_colormap[i].g = g;
global_colormap[i].b = b;
+ set_palette(global_colormap);
+
pixel_mapping = i;
}
return pixel_mapping;
}
+void XMapWindow(Display *display, Window window)
+{
+ int x, y;
+ unsigned int width, height;
+ boolean mouse_off;
+
+ x = AllegroDefaultScreen().x;
+ y = AllegroDefaultScreen().y;
+ width = AllegroDefaultScreen().width;
+ height = AllegroDefaultScreen().height;
+
+ mouse_off = hide_mouse(display, x, y, width, height);
+ blit((BITMAP *)window, video_bitmap, 0, 0, x, y, width, height);
+
+ if (mouse_off)
+ unhide_mouse(display);
+}
+
Display *XOpenDisplay(char *display_name)
{
Screen *screen;
Display *display;
BITMAP *mouse_bitmap = NULL;
- char *filename;
+ char *mouse_filename = getCustomImageFilename(program.msdos_cursor_filename);
- filename = getPath3(options.ro_base_directory, GRAPHICS_DIRECTORY,
- MOUSE_FILENAME);
-
- mouse_bitmap = Read_PCX_to_AllegroBitmap(filename);
- free(filename);
-
- if (mouse_bitmap == NULL)
+ if ((mouse_bitmap = Read_PCX_to_AllegroBitmap(mouse_filename)) == NULL)
return NULL;
screen = malloc(sizeof(Screen));
screen[0].cmap = 0;
screen[0].root = 0;
-#if 0
- screen[0].white_pixel = 0xFF;
- screen[0].black_pixel = 0x00;
-#else
- screen[0].white_pixel = AllocColorCell(0xFFFF, 0xFFFF, 0xFFFF);
- screen[0].black_pixel = AllocColorCell(0x0000, 0x0000, 0x0000);
-#endif
+ screen[0].white_pixel = AllegroAllocColorCell(0xFFFF, 0xFFFF, 0xFFFF);
+ screen[0].black_pixel = AllegroAllocColorCell(0x0000, 0x0000, 0x0000);
screen[0].video_bitmap = NULL;
display->default_screen = 0;
video_bitmap = create_video_bitmap(XRES, YRES);
clear_to_color(video_bitmap, background);
- display->screens[display->default_screen].video_bitmap = video_bitmap;
- display->screens[display->default_screen].x = x;
- display->screens[display->default_screen].y = y;
- display->screens[display->default_screen].width = XRES;
- display->screens[display->default_screen].height = YRES;
+ AllegroDefaultScreen().video_bitmap = video_bitmap;
+ AllegroDefaultScreen().x = x;
+ AllegroDefaultScreen().y = y;
+ AllegroDefaultScreen().width = XRES;
+ AllegroDefaultScreen().height = YRES;
set_mouse_sprite(display->mouse_ptr);
#endif
set_mouse_speed(1, 1);
- set_mouse_range(display->screens[display->default_screen].x + 1,
- display->screens[display->default_screen].y + 1,
- display->screens[display->default_screen].x + WIN_XSIZE + 1,
- display->screens[display->default_screen].y + WIN_YSIZE + 1);
+ set_mouse_range(AllegroDefaultScreen().x + 1,
+ AllegroDefaultScreen().y + 1,
+ AllegroDefaultScreen().x + video.width + 1,
+ AllegroDefaultScreen().y + video.height + 1);
show_video_bitmap(video_bitmap);
if ((BITMAP *)d == video_bitmap)
{
- x += display->screens[display->default_screen].x;
- y += display->screens[display->default_screen].y;
+ x += AllegroDefaultScreen().x;
+ y += AllegroDefaultScreen().y;
freeze_mouse_flag = TRUE;
mouse_off = hide_mouse(display, x, y, width, height);
}
BITMAP *bitmap = NULL;
if (gfx_capabilities & GFX_HW_VRAM_BLIT &&
- width == FXSIZE && height == FYSIZE)
+ width == gfx.scrollbuffer_width && height == gfx.scrollbuffer_height)
bitmap = create_video_bitmap(width, height);
if (bitmap == NULL)
if ((BITMAP *)src == video_bitmap)
{
- src_x += display->screens[display->default_screen].x;
- src_y += display->screens[display->default_screen].y;
+ src_x += AllegroDefaultScreen().x;
+ src_y += AllegroDefaultScreen().y;
}
if ((BITMAP *)dest == video_bitmap)
{
- dest_x += display->screens[display->default_screen].x;
- dest_y += display->screens[display->default_screen].y;
+ dest_x += AllegroDefaultScreen().x;
+ dest_y += AllegroDefaultScreen().y;
freeze_mouse_flag = TRUE;
mouse_off = hide_mouse(display, dest_x, dest_y, width, height);
}
byte *src_ptr = image->data;
byte pixel_mapping[MAX_COLORS];
unsigned int depth = 8;
-
-#if 0
- int i, j, x, y;
-#else
int i, x, y;
-#endif
+
+ if (image->type == IMAGETYPE_TRUECOLOR && depth == 8)
+ Error(ERR_EXIT, "cannot handle true-color images on 8-bit display");
/* allocate new allegro bitmap structure */
if ((bitmap = create_bitmap_ex(depth, image->width, image->height)) == NULL)
/* try to use existing colors from the global colormap */
for (i=0; i<MAX_COLORS; i++)
{
-
-#if 0
- int r, g, b;
-#endif
-
if (!image->rgb.color_used[i])
continue;
-
-#if 0
- r = image->rgb.red[i] >> 10;
- g = image->rgb.green[i] >> 10;
- b = image->rgb.blue[i] >> 10;
-
- for (j=0; j<global_colormap_entries_used; j++)
- {
- if (r == global_colormap[j].r &&
- g == global_colormap[j].g &&
- b == global_colormap[j].b) /* color found */
- {
- pixel_mapping[i] = j;
- break;
- }
- }
-
- if (j == global_colormap_entries_used) /* color not found */
- {
- if (global_colormap_entries_used < MAX_COLORS)
- global_colormap_entries_used++;
-
- global_colormap[j].r = r;
- global_colormap[j].g = g;
- global_colormap[j].b = b;
-
- pixel_mapping[i] = j;
- }
-#else
- pixel_mapping[i] = AllocColorCell(image->rgb.red[i],
- image->rgb.green[i],
- image->rgb.blue[i]);
-#endif
-
+ pixel_mapping[i] = AllegroAllocColorCell(image->rgb.red[i],
+ image->rgb.green[i],
+ image->rgb.blue[i]);
}
/* copy bitmap data */
return errno_pcx;
*pixmap = (Pixmap)bitmap;
- *pixmap_mask = (Pixmap)bitmap;
+
+ /* pixmap_mask will never be used in Allegro (which uses masked_blit()),
+ so use non-NULL dummy pointer to empty Pixmap */
+ *pixmap_mask = (Pixmap)DUMMY_MASK;
return PCX_Success;
}
free(gcv);
}
+void XUnmapWindow(Display *display, Window window)
+{
+}
+
void XCloseDisplay(Display *display)
{
BITMAP *bitmap = video_bitmap;
pending_events++;
xmotion = (XMotionEvent *)&event_buffer[pending_events];
xmotion->type = MotionNotify;
- xmotion->x = mouse_x - display->screens[display->default_screen].x;
- xmotion->y = mouse_y - display->screens[display->default_screen].y;
+ xmotion->x = mouse_x - AllegroDefaultScreen().x;
+ xmotion->y = mouse_y - AllegroDefaultScreen().y;
}
/* mouse button event */
xbutton = (XButtonEvent *)&event_buffer[pending_events];
xbutton->type = (mouse_b & bitmask ? ButtonPress : ButtonRelease);
xbutton->button = mapping[i];
- xbutton->x = mouse_x - display->screens[display->default_screen].x;
- xbutton->y = mouse_y - display->screens[display->default_screen].y;
+ xbutton->x = mouse_x - AllegroDefaultScreen().x;
+ xbutton->y = mouse_y - AllegroDefaultScreen().y;
}
}
last_mouse_b = mouse_b;
if ((BITMAP *)d == video_bitmap)
{
- x1 += display->screens[display->default_screen].x;
- y1 += display->screens[display->default_screen].y;
- x2 += display->screens[display->default_screen].x;
- y2 += display->screens[display->default_screen].y;
+ x1 += AllegroDefaultScreen().x;
+ y1 += AllegroDefaultScreen().y;
+ x2 += AllegroDefaultScreen().x;
+ y2 += AllegroDefaultScreen().y;
freeze_mouse_flag = TRUE;
mouse_off = hide_mouse(display, MIN(x1, x2), MIN(y1, y2),
MAX(x1, x2) - MIN(x1, x2),
{
}
+void XDestroyWindow(Display *display, Window window)
+{
+}
+
Bool XQueryPointer(Display *display, Window window,
Window *root, Window *child, int *root_x, int *root_y,
int *win_x, int *win_y, unsigned int *mask)
{
- *win_x = mouse_x - display->screens[display->default_screen].x;
- *win_y = mouse_y - display->screens[display->default_screen].y;
+ *win_x = mouse_x - AllegroDefaultScreen().x;
+ *win_y = mouse_y - AllegroDefaultScreen().y;
return True;
}
keyboard_auto_repeat = FALSE;
}
-boolean MSDOSOpenAudio(void)
+void AllegroDrawLine(Drawable d, int from_x, int from_y, int to_x, int to_y,
+ Pixel color)
+{
+ boolean mouse_off = FALSE;
+
+ if ((BITMAP *)d == video_bitmap)
+ {
+ int dx = AllegroDefaultScreen().x;
+ int dy = AllegroDefaultScreen().y;
+ int x1, y1, x2, y2;
+
+ from_x += dx;
+ from_y += dy;
+ to_x += dx;
+ to_y += dy;
+
+ x1 = (from_x < to_x ? from_x : to_x);
+ y1 = (from_y < to_y ? from_y : to_y);
+ x2 = (from_x < to_x ? to_x : from_x);
+ y2 = (from_y < to_y ? to_y : from_y);
+
+ freeze_mouse_flag = TRUE;
+ mouse_off = hide_mouse(display, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
+ }
+
+ line((BITMAP *)d, from_x, from_y, to_x, to_y, color);
+
+ if (mouse_off)
+ unhide_mouse(display);
+
+ freeze_mouse_flag = FALSE;
+}
+
+Pixel AllegroGetPixel(Drawable d, int x, int y)
{
- return allegro_init_audio();
+ return getpixel((BITMAP *)d, x, y);
}
-boolean MSDOSCloseAudio(void)
+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())
+ {
+ audio.sound_available = TRUE;
+ audio.music_available = TRUE;
+ audio.loops_available = TRUE;
+ audio.sound_enabled = TRUE;
+
+ audio.num_channels = NUM_MIXER_CHANNELS;
+ audio.music_channel = MUSIC_CHANNEL;
+ audio.first_sound_channel = FIRST_SOUND_CHANNEL;
+
+ Mixer_InitChannels();
+ }
+}
+
+void MSDOSCloseAudio(void)
{
/* nothing to be done here */
}
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 */
projects / rocksndiamonds.git / blobdiff