system: remove sys_GetTicks

[d2df-sdl.git] / src / game / sdl / g_system.pas

diff --git a/src/game/sdl/g_system.pas b/src/game/sdl/g_system.pas
index fe7225f6573ebfdaa68a1649600b74e12b600b66..117215d8e5eff50a9f64783ed344997f2c27a040 100644 (file)
--- a/src/game/sdl/g_system.pas
+++ b/src/game/sdl/g_system.pas
@@ -20,7 +20,6 @@ interface
   uses Utils;
 
   (* --- Utils --- *)
-  function sys_GetTicks (): Int64;
   procedure sys_Delay (ms: Integer);
 
   (* --- Graphics --- *)
@@ -37,13 +36,16 @@ interface
   procedure sys_Init;
   procedure sys_Final;
 
+  var (* hooks *)
+    sys_CharPress: procedure (ch: AnsiChar) = nil;
+    sys_ScreenResize: procedure (w, h: Integer) = nil;
+
 implementation
 
   uses
     SysUtils, SDL, Math,
-    {$INCLUDE ../nogl/noGLuses.inc}
-    e_log, r_graphics, e_input, e_sound,
-    g_options, g_window, g_console, g_game, g_menu, g_gui, g_main, g_basic;
+    e_log, e_input, e_sound,
+    g_options, g_console, g_game, g_basic;
 
   const
     GameTitle = 'Doom 2D: Forever (SDL 1.2, %s)';
@@ -58,11 +60,6 @@ implementation
 
   (* --------- Utils --------- *)
 
-  function sys_GetTicks (): Int64;
-  begin
-    result := SDL_GetTicks()
-  end;
-
   procedure sys_Delay (ms: Integer);
   begin
     SDL_Delay(ms)
@@ -70,60 +67,6 @@ implementation
 
   (* --------- Graphics --------- *)
 
-  function LoadGL: Boolean;
-  begin
-    result := true;
-    {$IFDEF NOGL_INIT}
-    nogl_Init;
-    if glRenderToFBO and (not nogl_ExtensionSupported('GL_OES_framebuffer_object')) then
-    {$ELSE}
-    if glRenderToFBO and (not Load_GL_ARB_framebuffer_object) then
-    {$ENDIF}
-    begin
-      e_LogWriteln('GL: framebuffer objects not supported; disabling FBO rendering');
-      glRenderToFBO := false;
-    end;
-  end;
-
-  procedure FreeGL;
-  begin
-    {$IFDEF NOGL_INIT}
-    nogl_Quit();
-    {$ENDIF}
-  end;
-
-  procedure UpdateSize (w, h: Integer);
-  begin
-    gWinSizeX := w;
-    gWinSizeY := h;
-    gRC_Width := w;
-    gRC_Height := h;
-    if glRenderToFBO then
-    begin
-      // store real window size in gWinSize, downscale resolution now
-      w := round(w / r_pixel_scale);
-      h := round(h / r_pixel_scale);
-      if not e_ResizeFramebuffer(w, h) then
-      begin
-        e_LogWriteln('GL: could not create framebuffer, falling back to --no-fbo');
-        glRenderToFBO := False;
-        w := gWinSizeX;
-        h := gWinSizeY;
-      end;
-    end;
-    gScreenWidth := w;
-    gScreenHeight := h;
-    {$IFDEF ENABLE_HOLMES}
-      fuiScrWdt := w;
-      fuiScrHgt := h;
-    {$ENDIF}
-    e_ResizeWindow(w, h);
-    e_InitGL;
-    g_Game_SetupScreenSize;
-    g_Menu_Reset;
-    g_Game_ClearLoading;
-  end;
-
   function GetTitle (): PChar;
     var info: AnsiString;
   begin
@@ -153,15 +96,11 @@ implementation
       screen := SDL_SetVideoMode(w, h, bpp, flags);
       if screen <> nil then
       begin
-        if not LoadGL then
-        begin
-          e_LogWriteln('GL: unable to load OpenGL functions', TMsgType.Fatal);
-          exit;
-        end;
         SDL_WM_SetCaption(GetTitle(), nil);
         gFullScreen := fullscreen;
         gRC_FullScreen := fullscreen;
-        UpdateSize(w, h);
+        if @sys_ScreenResize <> nil then
+          sys_ScreenResize(w, h);
         result := True
       end
     end
@@ -453,16 +392,17 @@ implementation
     begin
       g_Console_ProcessBindRepeat(key)
     end;
-    if down and IsValid1251(ev.keysym.unicode) and IsPrintable1251(ch) then
-      CharPress(ch)
+    if @sys_CharPress <> nil then
+      if down and IsValid1251(ev.keysym.unicode) and IsPrintable1251(ch) then
+        sys_CharPress(ch)
   end;
 
   procedure HandleResize (var ev: TSDL_ResizeEvent);
   begin
     if g_dbg_input then
       e_LogWritefln('Input Debug: SDL_VIDEORESIZE %s %s', [ev.w, ev.h]);
-    if modeResize = 1 then
-      UpdateSize(ev.w, ev.h)
+    if (modeResize = 1) and (@sys_ScreenResize <> nil) then
+      sys_ScreenResize(ev.w, ev.h)
     else if modeResize > 1 then
       InitWindow(ev.w, ev.h, gBPP, gFullscreen)
   end;
@@ -517,10 +457,7 @@ implementation
     for i := 0 to e_MaxJoys - 1 do
       RemoveJoystick(i);
     if screen <> nil then
-    begin
-      FreeGL;
-      SDL_FreeSurface(screen)
-    end;
+      SDL_FreeSurface(screen);
     SDL_Quit
   end;