+++ /dev/null
-/* Gacela, a GNU Guile extension for fast games development
- Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <libguile.h>
-#include <SDL/SDL.h>
-#include <SDL/SDL_events.h>
-#include <SDL/SDL_image.h>
-#include <SDL/SDL_mixer.h>
-#include <SDL/SDL_rotozoom.h>
-
-struct surface
-{
- SCM filename;
- SDL_Surface *surface_address;
-};
-
-static scm_t_bits surface_tag;
-
-SCM
-make_surface (SCM file, SDL_Surface *surface_address)
-{
- SCM smob;
- struct surface *surface;
-
- surface = (struct surface *) scm_gc_malloc (sizeof (struct surface), "surface");
-
- surface->filename = SCM_BOOL_F;
- surface->surface_address = NULL;
-
- SCM_NEWSMOB (smob, surface_tag, surface);
-
- surface->filename = file;
- surface->surface_address = surface_address;
-
- return smob;
-}
-
-SDL_Surface *
-get_surface_address (SCM surface_smob)
-{
- struct surface *surface;
-
- scm_assert_smob_type (surface_tag, surface_smob);
- surface = (struct surface *) SCM_SMOB_DATA (surface_smob);
- return surface->surface_address;
-}
-
-SCM
-get_surface_filename (SCM surface_smob)
-{
- struct surface *surface;
-
- scm_assert_smob_type (surface_tag, surface_smob);
- surface = (struct surface *) SCM_SMOB_DATA (surface_smob);
- return surface->filename;
-}
-
-SCM
-get_surface_width (SCM surface_smob)
-{
- SDL_Surface *surface = get_surface_address (surface_smob);
-
- return scm_from_int (surface->w);
-}
-
-SCM
-get_surface_height (SCM surface_smob)
-{
- SDL_Surface *surface = get_surface_address (surface_smob);
-
- return scm_from_int (surface->h);
-}
-
-SCM
-get_surface_pixels (SCM surface_smob)
-{
- SDL_Surface *surface = get_surface_address (surface_smob);
-
- return scm_from_int ((int)surface->pixels);
-}
-
-SCM
-get_surface_format_BytesPerPixel (SCM surface_smob)
-{
- SDL_Surface *surface = get_surface_address (surface_smob);
-
- return scm_from_int (surface->format->BytesPerPixel);
-}
-
-SCM
-mark_surface (SCM surface_smob)
-{
- struct surface *surface = (struct surface *) SCM_SMOB_DATA (surface_smob);
-
- scm_gc_mark (surface->filename);
-
- return SCM_BOOL_F;
-}
-
-size_t
-free_surface (SCM surface_smob)
-{
- struct surface *surface = (struct surface *) SCM_SMOB_DATA (surface_smob);
-
- SDL_FreeSurface (surface->surface_address);
- scm_gc_free (surface, sizeof (struct surface), "surface");
-
- return 0;
-}
-
-static int
-print_surface (SCM surface_smob, SCM port, scm_print_state *pstate)
-{
- struct surface *surface = (struct surface *) SCM_SMOB_DATA (surface_smob);
-
- scm_puts ("#<surface \"", port);
- scm_display (surface->filename, port);
- scm_puts ("\">", port);
-
- /* non-zero means success */
- return 1;
-}
-
-
-SCM
-gacela_SDL_Init (SCM flags)
-{
- return scm_from_int (SDL_Init (scm_to_int (flags)));
-}
-
-SCM
-gacela_SDL_Quit (void)
-{
- SDL_Quit ();
- return SCM_UNSPECIFIED;
-}
-
-SCM
-gacela_SDL_SetVideoMode (SCM width, SCM height, SCM bpp, SCM flags)
-{
- SDL_Surface *screen = SDL_SetVideoMode (scm_to_int (width), scm_to_int (height), \
- scm_to_int (bpp), scm_to_int (flags));
-
- if (screen) {
- return make_surface (scm_from_locale_string ("screen"), screen);
- }
- else {
- return SCM_BOOL_F;
- }
-}
-
-SCM
-gacela_SDL_FreeSurface (SCM surface)
-{
- return scm_from_int (free_surface (surface));
-}
-
-SCM
-gacela_SDL_WM_SetCaption (SCM title, SCM icon)
-{
- SDL_WM_SetCaption (scm_to_locale_string(title), scm_to_locale_string(icon));
- return SCM_UNSPECIFIED;
-}
-
-SCM
-gacela_SDL_WM_ToggleFullScreen(SCM surface)
-{
- return scm_from_int (SDL_WM_ToggleFullScreen (get_surface_address (surface)));
-}
-
-SCM
-gacela_SDL_Flip (SCM screen)
-{
- return scm_from_int (SDL_Flip (get_surface_address (screen)));
-}
-
-SCM
-gacela_SDL_Delay (SCM ms)
-{
- SDL_Delay ((int)scm_to_double (ms));
- return SCM_UNSPECIFIED;
-}
-
-SCM
-gacela_SDL_GetTicks (void)
-{
- return scm_from_int (SDL_GetTicks ());
-}
-
-SCM
-gacela_SDL_GetError (void)
-{
- return scm_from_locale_string (SDL_GetError ());
-}
-
-SCM
-gacela_SDL_DisplayFormat (SCM surface)
-{
- SDL_Surface *new = SDL_DisplayFormat (get_surface_address (surface));
-
- if (new) {
- return make_surface (get_surface_filename (surface), new);
- }
- else {
- return SCM_BOOL_F;
- }
-}
-
-SCM
-gacela_SDL_DisplayFormatAlpha (SCM surface)
-{
- SDL_Surface *new = SDL_DisplayFormatAlpha (get_surface_address (surface));
-
- if (new) {
- return make_surface (get_surface_filename (surface), new);
- }
- else {
- return SCM_BOOL_F;
- }
-}
-
-SCM
-gacela_SDL_MapRGB (SCM format, SCM r, SCM g, SCM b)
-{
- return scm_from_int (SDL_MapRGB ((SDL_PixelFormat *)scm_to_int (format), scm_to_int (r), scm_to_int (g), scm_to_int (b)));
-}
-
-SCM
-gacela_SDL_SetColorKey (SCM surface, SCM flag, SCM key)
-{
- return scm_from_int (SDL_SetColorKey (get_surface_address (surface), scm_to_int (flag), scm_to_int (key)));
-}
-
-SCM
-gacela_SDL_SetAlpha (SCM surface, SCM flag, SCM alpha)
-{
- return scm_from_int (SDL_SetAlpha (get_surface_address (surface), scm_to_int (flag), scm_to_int (alpha)));
-}
-
-SCM
-gacela_SDL_LoadBMP (SCM file)
-{
- SDL_Surface *image = SDL_LoadBMP (scm_to_locale_string (file));
-
- if (image) {
- return make_surface (file, image);
- }
- else {
- return SCM_BOOL_F;
- }
-}
-
-SCM
-gacela_IMG_Load (SCM filename)
-{
- SDL_Surface *image = IMG_Load (scm_to_locale_string (filename));
-
- if (image) {
- return make_surface (filename, image);
- }
- else {
- return SCM_BOOL_F;
- }
-}
-
-SCM
-gacela_SDL_GetVideoInfo (void)
-{
- const SDL_VideoInfo *info;
- SCM vi;
-
- info = SDL_GetVideoInfo ();
- vi = scm_list_n (SCM_UNDEFINED);
-
- vi = scm_cons (scm_cons (scm_from_utf8_symbol ("blit_hw"), scm_from_int (info->blit_hw)), vi);
- vi = scm_cons (scm_cons (scm_from_utf8_symbol ("hw_available"), scm_from_int (info->hw_available)), vi);
-
- return vi;
-}
-
-SCM
-gacela_SDL_GL_SetAttribute (SCM attr, SCM value)
-{
- return scm_from_int (SDL_GL_SetAttribute (scm_to_int (attr), scm_to_int (value)));
-}
-
-SCM
-gacela_SDL_PollEvent (void)
-{
- SDL_Event sdl_event;
- SCM event;
-
- event = scm_list_n (SCM_UNDEFINED);
-
- if (SDL_PollEvent (&sdl_event)) {
- switch (sdl_event.type) {
- case SDL_KEYDOWN:
- case SDL_KEYUP:
- event = scm_cons (scm_cons (scm_from_locale_symbol ("key.keysym.sym"), scm_from_int (sdl_event.key.keysym.sym)), event);
- break;
- }
- event = scm_cons (scm_cons (scm_from_locale_symbol ("type"), scm_from_int (sdl_event.type)), event);
- }
-
- return event;
-}
-
-SCM
-gacela_SDL_GL_SwapBuffers (void)
-{
- SDL_GL_SwapBuffers ();
- return SCM_UNSPECIFIED;
-}
-
-SCM
-gacela_SDL_EnableKeyRepeat (SCM delay, SCM interval)
-{
- return scm_from_int (SDL_EnableKeyRepeat (scm_to_int (delay), scm_to_int (interval)));
-}
-
-SCM
-gacela_zoomSurface (SCM src, SCM zoomx, SCM zoomy, SCM smooth)
-{
- SDL_Surface *image = zoomSurface (get_surface_address (src), scm_to_double (zoomx), scm_to_double (zoomy), scm_to_int (smooth));
-
- if (image) {
- return make_surface (get_surface_filename (src), image);
- }
- else {
- return SCM_BOOL_F;
- }
-}
-
-SCM
-gacela_Mix_OpenAudio (SCM frequency, SCM format, SCM channels, SCM chunksize)
-{
- return scm_from_int (Mix_OpenAudio (scm_to_int (frequency), scm_to_int (format), scm_to_int (channels), scm_to_int (chunksize)));
-}
-
-SCM
-gacela_Mix_LoadMUS (SCM file)
-{
- return scm_from_int ((int)Mix_LoadMUS (scm_to_locale_string (file)));
-}
-
-SCM
-gacela_Mix_LoadWAV (SCM file)
-{
- return scm_from_int ((int)Mix_LoadWAV (scm_to_locale_string (file)));
-}
-
-SCM
-gacela_Mix_PlayChannel (SCM channel, SCM chunk, SCM loops)
-{
- return scm_from_int (Mix_PlayChannel (scm_to_int (channel), (Mix_Chunk *)scm_to_int (chunk), scm_to_int (loops)));
-}
-
-SCM
-gacela_Mix_PlayMusic (SCM music, SCM loops)
-{
- return scm_from_int (Mix_PlayMusic ((Mix_Music *)scm_to_int (music), scm_to_int (loops)));
-}
-
-SCM
-gacela_Mix_PlayingMusic (void)
-{
- return scm_from_int (Mix_PlayingMusic ());
-}
-
-SCM
-gacela_Mix_PausedMusic (void)
-{
- return scm_from_int (Mix_PausedMusic ());
-}
-
-SCM
-gacela_Mix_PauseMusic (void)
-{
- Mix_PauseMusic ();
- return SCM_UNSPECIFIED;
-}
-
-SCM
-gacela_Mix_ResumeMusic (void)
-{
- Mix_ResumeMusic ();
- return SCM_UNSPECIFIED;
-}
-
-SCM
-gacela_Mix_HaltMusic (void)
-{
- return scm_from_int (Mix_HaltMusic ());
-}
-
-SCM
-gacela_Mix_FreeMusic (SCM music)
-{
- Mix_FreeMusic ((Mix_Music *)scm_to_int (music));
- return SCM_UNSPECIFIED;
-}
-
-SCM
-gacela_Mix_FreeChunk (SCM chunk)
-{
- Mix_FreeChunk ((Mix_Chunk *)scm_to_int (chunk));
- return SCM_UNSPECIFIED;
-}
-
-SCM
-gacela_Mix_CloseAudio (void)
-{
- Mix_CloseAudio ();
- return SCM_UNSPECIFIED;
-}
-
-
-void
-init_gacela_sdl (void *data)
-{
- surface_tag = scm_make_smob_type ("surface", sizeof (struct surface));
- scm_set_smob_mark (surface_tag, mark_surface);
- scm_set_smob_free (surface_tag, free_surface);
- scm_set_smob_print (surface_tag, print_surface);
- scm_c_define_gsubr ("surface-file", 1, 0, 0, get_surface_filename);
- scm_c_define_gsubr ("surface-w", 1, 0, 0, get_surface_width);
- scm_c_define_gsubr ("surface-h", 1, 0, 0, get_surface_height);
- scm_c_define_gsubr ("surface-pixels", 1, 0, 0, get_surface_pixels);
- scm_c_define_gsubr ("surface-format-BytesPerPixel", 1, 0, 0, get_surface_format_BytesPerPixel);
-
- scm_c_define ("SDL_INIT_TIMER", scm_from_int (SDL_INIT_TIMER));
- scm_c_define ("SDL_INIT_AUDIO", scm_from_int (SDL_INIT_AUDIO));
- scm_c_define ("SDL_INIT_VIDEO", scm_from_int (SDL_INIT_VIDEO));
- scm_c_define ("SDL_INIT_CDROM", scm_from_int (SDL_INIT_CDROM));
- scm_c_define ("SDL_INIT_JOYSTICK", scm_from_int (SDL_INIT_JOYSTICK));
- scm_c_define ("SDL_INIT_NOPARACHUTE", scm_from_int (SDL_INIT_NOPARACHUTE));
- scm_c_define ("SDL_INIT_EVENTTHREAD", scm_from_int (SDL_INIT_EVENTTHREAD));
- scm_c_define ("SDL_INIT_EVERYTHING", scm_from_int (SDL_INIT_EVERYTHING));
-
- scm_c_define ("SDL_SWSURFACE", scm_from_int (SDL_SWSURFACE));
- scm_c_define ("SDL_HWSURFACE", scm_from_int (SDL_HWSURFACE));
- scm_c_define ("SDL_ASYNCBLIT", scm_from_int (SDL_ASYNCBLIT));
-
- scm_c_define ("SDL_ANYFORMAT", scm_from_int (SDL_ANYFORMAT));
- scm_c_define ("SDL_HWPALETTE", scm_from_int (SDL_HWPALETTE));
- scm_c_define ("SDL_DOUBLEBUF", scm_from_int (SDL_DOUBLEBUF));
- scm_c_define ("SDL_FULLSCREEN", scm_from_int (SDL_FULLSCREEN));
- scm_c_define ("SDL_OPENGL", scm_from_int (SDL_OPENGL));
- scm_c_define ("SDL_OPENGLBLIT", scm_from_int (SDL_OPENGLBLIT));
- scm_c_define ("SDL_RESIZABLE", scm_from_int (SDL_RESIZABLE));
- scm_c_define ("SDL_NOFRAME", scm_from_int (SDL_NOFRAME));
-
- scm_c_define ("SDL_HWACCEL", scm_from_int (SDL_HWACCEL));
- scm_c_define ("SDL_SRCCOLORKEY", scm_from_int (SDL_SRCCOLORKEY));
-
- scm_c_define ("SDL_GL_DOUBLEBUFFER", scm_from_int (SDL_GL_DOUBLEBUFFER));
-
- scm_c_define ("SDL_DEFAULT_REPEAT_DELAY", scm_from_int (SDL_DEFAULT_REPEAT_DELAY));
- scm_c_define ("SDL_DEFAULT_REPEAT_INTERVAL", scm_from_int (SDL_DEFAULT_REPEAT_INTERVAL));
-
- scm_c_define ("SDL_LIL_ENDIAN", scm_from_int (SDL_LIL_ENDIAN));
- scm_c_define ("SDL_BIG_ENDIAN", scm_from_int (SDL_BIG_ENDIAN));
- scm_c_define ("SDL_BYTEORDER", scm_from_int (SDL_BYTEORDER));
-
- scm_c_define ("MIX_DEFAULT_FORMAT", scm_from_int (MIX_DEFAULT_FORMAT));
-
- scm_c_define ("SDL_NOEVENT", scm_from_int (SDL_NOEVENT));
- scm_c_define ("SDL_ACTIVEEVENT", scm_from_int (SDL_ACTIVEEVENT));
- scm_c_define ("SDL_KEYDOWN", scm_from_int (SDL_KEYDOWN));
- scm_c_define ("SDL_KEYUP", scm_from_int (SDL_KEYUP));
- scm_c_define ("SDL_MOUSEMOTION", scm_from_int (SDL_MOUSEMOTION));
- scm_c_define ("SDL_MOUSEBUTTONDOWN", scm_from_int (SDL_MOUSEBUTTONDOWN));
- scm_c_define ("SDL_MOUSEBUTTONUP", scm_from_int (SDL_MOUSEBUTTONUP));
- scm_c_define ("SDL_JOYAXISMOTION", scm_from_int (SDL_JOYAXISMOTION));
- scm_c_define ("SDL_JOYBALLMOTION", scm_from_int (SDL_JOYBALLMOTION));
- scm_c_define ("SDL_JOYHATMOTION", scm_from_int (SDL_JOYHATMOTION));
- scm_c_define ("SDL_JOYBUTTONDOWN", scm_from_int (SDL_JOYBUTTONDOWN));
- scm_c_define ("SDL_JOYBUTTONUP", scm_from_int (SDL_JOYBUTTONUP));
- scm_c_define ("SDL_QUIT", scm_from_int (SDL_QUIT));
- scm_c_define ("SDL_SYSWMEVENT", scm_from_int (SDL_SYSWMEVENT));
- scm_c_define ("SDL_EVENT_RESERVEDA", scm_from_int (SDL_EVENT_RESERVEDA));
- scm_c_define ("SDL_EVENT_RESERVEDB", scm_from_int (SDL_EVENT_RESERVEDB));
- scm_c_define ("SDL_VIDEORESIZE", scm_from_int (SDL_VIDEORESIZE));
- scm_c_define ("SDL_VIDEOEXPOSE", scm_from_int (SDL_VIDEOEXPOSE));
- scm_c_define ("SDL_EVENT_RESERVED2", scm_from_int (SDL_EVENT_RESERVED2));
- scm_c_define ("SDL_EVENT_RESERVED3", scm_from_int (SDL_EVENT_RESERVED3));
- scm_c_define ("SDL_EVENT_RESERVED4", scm_from_int (SDL_EVENT_RESERVED4));
- scm_c_define ("SDL_EVENT_RESERVED5", scm_from_int (SDL_EVENT_RESERVED5));
- scm_c_define ("SDL_EVENT_RESERVED6", scm_from_int (SDL_EVENT_RESERVED6));
- scm_c_define ("SDL_EVENT_RESERVED7", scm_from_int (SDL_EVENT_RESERVED7));
- scm_c_define ("SDL_USEREVENT", scm_from_int (SDL_USEREVENT));
- scm_c_define ("SDL_NUMEVENTS", scm_from_int (SDL_NUMEVENTS));
-
- scm_c_define_gsubr ("SDL_Init", 1, 0, 0, gacela_SDL_Init);
- scm_c_define_gsubr ("SDL_Quit", 0, 0, 0, gacela_SDL_Quit);
- scm_c_define_gsubr ("SDL_SetVideoMode", 4, 0, 0, gacela_SDL_SetVideoMode);
- scm_c_define_gsubr ("SDL_FreeSurface", 1, 0, 0, gacela_SDL_FreeSurface);
- scm_c_define_gsubr ("SDL_WM_SetCaption", 2, 0, 0, gacela_SDL_WM_SetCaption);
- scm_c_define_gsubr ("SDL_WM_ToggleFullScreen", 1, 0, 0, gacela_SDL_WM_ToggleFullScreen);
- scm_c_define_gsubr ("SDL_Flip", 1, 0, 0, gacela_SDL_Flip);
- scm_c_define_gsubr ("SDL_Delay", 1, 0, 0, gacela_SDL_Delay);
- scm_c_define_gsubr ("SDL_GetTicks", 0, 0, 0, gacela_SDL_GetTicks);
- scm_c_define_gsubr ("SDL_GetError", 0, 0, 0, gacela_SDL_GetError);
- scm_c_define_gsubr ("SDL_DisplayFormat", 1, 0, 0, gacela_SDL_DisplayFormat);
- scm_c_define_gsubr ("SDL_DisplayFormatAlpha", 1, 0, 0, gacela_SDL_DisplayFormatAlpha);
- scm_c_define_gsubr ("SDL_MapRGB", 4, 0, 0, gacela_SDL_MapRGB);
- scm_c_define_gsubr ("SDL_SetColorKey", 3, 0, 0, gacela_SDL_SetColorKey);
- scm_c_define_gsubr ("SDL_SetAlpha", 3, 0, 0, gacela_SDL_SetAlpha);
- scm_c_define_gsubr ("SDL_LoadBMP", 1, 0, 0, gacela_SDL_LoadBMP);
- scm_c_define_gsubr ("IMG_Load", 1, 0, 0, gacela_IMG_Load);
- scm_c_define_gsubr ("SDL_GetVideoInfo", 0, 0, 0, gacela_SDL_GetVideoInfo);
- scm_c_define_gsubr ("SDL_GL_SetAttribute", 2, 0, 0, gacela_SDL_GL_SetAttribute);
- scm_c_define_gsubr ("SDL_PollEvent", 0, 0, 0, gacela_SDL_PollEvent);
- scm_c_define_gsubr ("SDL_GL_SwapBuffers", 0, 0, 0, gacela_SDL_GL_SwapBuffers);
- scm_c_define_gsubr ("SDL_EnableKeyRepeat", 2, 0, 0, gacela_SDL_EnableKeyRepeat);
- scm_c_define_gsubr ("zoomSurface", 4, 0, 0, gacela_zoomSurface);
- scm_c_define_gsubr ("Mix_OpenAudio", 4, 0, 0, gacela_Mix_OpenAudio);
- scm_c_define_gsubr ("Mix_LoadMUS", 1, 0, 0, gacela_Mix_LoadMUS);
- scm_c_define_gsubr ("Mix_LoadWAV", 1, 0, 0, gacela_Mix_LoadWAV);
- scm_c_define_gsubr ("Mix_PlayChannel", 3, 0, 0, gacela_Mix_PlayChannel);
- scm_c_define_gsubr ("Mix_PlayMusic", 2, 0, 0, gacela_Mix_PlayMusic);
- scm_c_define_gsubr ("Mix_PlayingMusic", 0, 0, 0, gacela_Mix_PlayingMusic);
- scm_c_define_gsubr ("Mix_PausedMusic", 0, 0, 0, gacela_Mix_PausedMusic);
- scm_c_define_gsubr ("Mix_PauseMusic", 0, 0, 0, gacela_Mix_PauseMusic);
- scm_c_define_gsubr ("Mix_ResumeMusic", 0, 0, 0, gacela_Mix_ResumeMusic);
- scm_c_define_gsubr ("Mix_HaltMusic", 0, 0, 0, gacela_Mix_HaltMusic);
- scm_c_define_gsubr ("Mix_FreeMusic", 1, 0, 0, gacela_Mix_FreeMusic);
- scm_c_define_gsubr ("Mix_FreeChunk", 1, 0, 0, gacela_Mix_FreeChunk);
- scm_c_define_gsubr ("Mix_CloseAudio", 0, 0, 0, gacela_Mix_CloseAudio);
-}
-
-void
-scm_init_gacela_sdl ()
-{
- init_gacela_sdl (NULL);
-}
projects / gacela.git / blobdiff