X-Git-Url: http://deadsoftware.ru/gitweb?a=blobdiff_plain;f=src%2Fsdl%2Fmain.c;h=b3627fc2f92ef66cb54a83e39e228d16380aaac9;hb=b047ed3a09b3738defa4f0c323dbe698ff6831ce;hp=ef757fc3b6a0c67c3fa9db17a801df21193f5297;hpb=a79a6e75633c38c64c7f0460f01216bf80703ad3;p=flatwaifu.git

diff --git a/src/sdl/main.c b/src/sdl/main.c
index ef757fc..b3627fc 100644
--- a/src/sdl/main.c
+++ b/src/sdl/main.c
@@ -20,11 +20,17 @@
    51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */
 
-#include <SDL.h>
+#ifdef __EMSCRIPTEN__
+#  include <emscripten.h>
+#endif
+
+#include <SDL/SDL.h>
 #include <stdio.h>
 #include <stdarg.h>
 #include <stdlib.h> // srand exit
 #include <string.h> // strcasecmp
+#include <assert.h>
+#include "system.h"
 #include "input.h"
 
 #include "my.h" // fexists
@@ -40,7 +46,16 @@
 #include "music.h" // S_initmusic S_updatemusic S_donemusic
 #include "render.h" // R_init R_draw R_done
 
+#define MODE_NONE 0
+#define MODE_OPENGL 1
+#define MODE_SOFTWARE 2
+
+static Uint32 ticks;
 static int quit = 0;
+static SDL_Surface *surf = NULL;
+static int mode = MODE_NONE;
+
+/* --- error.h --- */
 
 void logo (const char *s, ...) {
   va_list ap;
@@ -79,11 +94,146 @@ void ERR_fatal (char *s, ...) {
 }
 
 void ERR_quit (void) {
-  puts("Спасибо за то, что вы играли в Операцию \"Смятка\"!");
-  //F_loadres(F_getresid("ENDOOM"),p,0,4000);
   quit = 1;
 }
 
+/* --- system.h --- */
+
+int Y_set_videomode_opengl (int w, int h, int fullscreen) {
+  assert(w > 0);
+  assert(h > 0);
+  Uint32 flags;
+  SDL_Surface *s;
+  if (mode == MODE_OPENGL && surf->w == w && surf->h == h && Y_get_fullscreen() == fullscreen) {
+    s = surf;
+  } else {
+    flags = SDL_DOUBLEBUF | SDL_OPENGL;
+    if (fullscreen) {
+      flags = flags | SDL_FULLSCREEN;
+    }
+#   ifdef WIN32
+      flags = flags | SDL_RESIZABLE;
+#   endif
+    s = SDL_SetVideoMode(w, h, 0, flags);
+    if (s != NULL) {
+      mode = MODE_OPENGL;
+      surf = s;
+    } else {
+      logo("Y_set_videomode_opengl: error: %s\n", SDL_GetError());
+    }
+  }
+  return s != NULL;
+}
+
+int Y_set_videomode_software (int w, int h, int fullscreen) {
+  assert(w > 0);
+  assert(h > 0);
+  Uint32 flags;
+  SDL_Surface *s;
+  if (mode == MODE_OPENGL && surf->w == w && surf->h == h && Y_get_fullscreen() == fullscreen) {
+    s = surf;
+  } else {
+    flags = SDL_DOUBLEBUF | SDL_SWSURFACE | SDL_HWPALETTE;
+    if (fullscreen) {
+      flags = flags | SDL_FULLSCREEN;
+    }
+#   ifdef WIN32
+      flags = flags | SDL_RESIZABLE;
+#   endif
+    s = SDL_SetVideoMode(w, h, 8, flags);
+    if (s != NULL) {
+      mode = MODE_SOFTWARE;
+      surf = s;
+    }
+  }
+  return s != NULL;
+}
+
+void Y_get_videomode (int *w, int *h) {
+  if (mode != MODE_NONE) {
+    *w = surf->w;
+    *h = surf->h;
+  } else {
+    *w = 0;
+    *h = 0;
+  }
+}
+
+int Y_videomode_setted (void) {
+  return mode != MODE_NONE;
+}
+
+void Y_unset_videomode (void) {
+  surf = NULL;
+  mode = MODE_NONE;
+#ifndef __EMSCRIPTEN__
+  SDL_QuitSubSystem(SDL_INIT_VIDEO);
+  SDL_InitSubSystem(SDL_INIT_VIDEO);
+#endif
+}
+
+void Y_set_fullscreen (int fullscreen) {
+  int fs = Y_get_fullscreen();
+  if (mode != MODE_NONE && fs != fullscreen) {
+    if (SDL_WM_ToggleFullScreen(surf) == 0) {
+      switch (mode) {
+        case MODE_OPENGL:
+          Y_set_videomode_opengl(surf->w, surf->h, fullscreen);
+          break;
+        case MODE_SOFTWARE:
+          Y_set_videomode_software(surf->w, surf->h, fullscreen);
+          break;
+      }
+    }
+  }
+}
+
+int Y_get_fullscreen (void) {
+  return (mode != MODE_NONE) && ((surf->flags & SDL_FULLSCREEN) != 0);
+}
+
+void Y_swap_buffers (void) {
+  assert(mode == MODE_OPENGL);
+  SDL_GL_SwapBuffers();
+}
+
+void Y_get_buffer (byte **buf, int *w, int *h, int *pitch) {
+  assert(mode == MODE_SOFTWARE);
+  *buf = surf->pixels;
+  *w = surf->w;
+  *h = surf->h;
+  *pitch = surf->pitch;
+}
+
+void Y_set_vga_palette (byte *vgapal) {
+  int i;
+  byte *p = vgapal;
+  assert(vgapal != NULL);
+  assert(mode == MODE_SOFTWARE);
+  SDL_Color colors[256];
+  for (i = 0; i < 256; i++) {
+    colors[i] = (SDL_Color) {
+      .r = p[0] * 255 / 63,
+      .g = p[1] * 255 / 63,
+      .b = p[2] * 255 / 63
+    };
+    p += 3;
+  }
+  SDL_SetColors(surf, colors, 0, 256);
+}
+
+void Y_repaint_rect (int x, int y, int w, int h) {
+  assert(mode == MODE_SOFTWARE);
+  SDL_UpdateRect(surf, x, y, w, h);
+}
+
+void Y_repaint (void) {
+  assert(mode == MODE_SOFTWARE);
+  SDL_Flip(surf);
+}
+
+/* --- main --- */
+
 static int sdl_to_key (int code) {
   switch (code) {
     case SDLK_0: return KEY_0;
@@ -202,6 +352,9 @@ static void poll_events (void (*h)(int key, int down)) {
       case SDL_QUIT:
         ERR_quit();
         break;
+      case SDL_VIDEORESIZE:
+        R_set_videomode(ev.resize.w, ev.resize.h, Y_get_fullscreen());
+        break;
       case SDL_KEYDOWN:
       case SDL_KEYUP:
         key = sdl_to_key(ev.key.keysym.sym);
@@ -214,9 +367,19 @@ static void poll_events (void (*h)(int key, int down)) {
   }
 }
 
-int SDL_main (int argc, char *argv[]) {
+static void step (void) {
+  poll_events(&G_keyf);
+  S_updatemusic();
+  Uint32 t = SDL_GetTicks();
+  if (t - ticks > DELAY) {
+    ticks = t;
+    G_act();
+  }
+  R_draw();
+}
+
+int main (int argc, char *argv[]) {
   char *pw;
-  Uint32 t, ticks;
   logo("main: initialize SDL\n");
   if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1) {
     logo("main: failed to init SDL: %s\n", SDL_GetError());
@@ -265,20 +428,17 @@ int SDL_main (int argc, char *argv[]) {
   R_init();
   G_init();
   ticks = SDL_GetTicks();
+#ifdef __EMSCRIPTEN__
+  emscripten_set_main_loop(step, 0, 1);
+#else
   while (!quit) {
-    poll_events(&G_keyf);
-    S_updatemusic();
-    t = SDL_GetTicks();
-    if (t - ticks > DELAY) {
-      ticks = t;
-      G_act();
-    }
-    R_draw();
+    step();
   }
+#endif
   CFG_save();
   R_done();
-  S_done();
   S_donemusic();
+  S_done();
   M_shutdown();
   SDL_Quit();
   return 0;