X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgacela_SDL.c;h=ce2f2cc9f0f94166c2d09565ded2754176af2dd9;hb=4487eb2a881092ebebd5496e6425fa8f07546c0f;hp=964c0eda8876013c3c0719c8e9fa8c6aa3cb81e4;hpb=c2b3283df38412949ba1494cac299b235d1fe0ae;p=gacela.git

diff --git a/src/gacela_SDL.c b/src/gacela_SDL.c
index 964c0ed..ce2f2cc 100644
--- a/src/gacela_SDL.c
+++ b/src/gacela_SDL.c
@@ -1,9 +1,472 @@
+/* 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 "gacela_SDL.h"
 
-static void*
+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_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 (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_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_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_DisplayFormat (SCM surface)
+{
+  return scm_from_int ((int)SDL_DisplayFormat (get_surface_address (surface)));
+}
+
+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_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_locale_symbol ("blit_hw"), scm_from_int (info->blit_hw)), vi);
+  vi = scm_cons (scm_cons (scm_from_locale_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_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*
 SDL_register_functions (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-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_WM_SetCaption", 2, 0, 0, gacela_SDL_WM_SetCaption);
+  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_DisplayFormat", 1, 0, 0, gacela_SDL_DisplayFormat);
+  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_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 ("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);
+
   return NULL;
 }