-{$IFNDEF WINDOWS}
- ticksOverflow: Int64 = -1;
- lastTicks: Uint32 = 0; // to detect overflow
-{$ENDIF}
-
-
-procedure KillGLWindow (preserveGL: Boolean);
-begin
- if (h_GL <> nil) and (not preserveGL) then begin if (assigned(oglDeinitCB)) then oglDeinitCB(); end;
- if (h_Wnd <> nil) then SDL_DestroyWindow(h_Wnd);
- if (h_GL <> nil) and (not preserveGL) then
- begin
-{$IFDEF USE_NANOGL}
- nanoGL_Destroy;
-{$ENDIF USE_NANOGL}
- SDL_GL_DeleteContext(h_GL);
- end;
- h_Wnd := nil;
- if (not preserveGL) then h_GL := nil;
-end;
-
-
-function g_Window_SetDisplay (preserveGL: Boolean = false): Boolean;
-{$IF not DEFINED(HEADLESS)}
-var
- mode, cmode: TSDL_DisplayMode;
- wFlags: LongWord = 0;
- nw, nh: Integer;
-{$ENDIF}
-begin
-{$IF not DEFINED(HEADLESS)}
- result := false;
-
- e_WriteLog('Setting display mode...', TMsgType.Notify);
-
- wFlags := SDL_WINDOW_OPENGL {or SDL_WINDOW_RESIZABLE};
- if gFullscreen then wFlags := wFlags {or SDL_WINDOW_FULLSCREEN} else wFlags := wFlags or SDL_WINDOW_RESIZABLE;
- if (not gFullscreen) and (not preserveGL) and gWinMaximized then wFlags := wFlags or SDL_WINDOW_MAXIMIZED else gWinMaximized := false;
-
- if gFullscreen then
- begin
- mode.w := gScreenWidth;
- mode.h := gScreenHeight;
- mode.format := 0;
- mode.refresh_rate := 0;
- mode.driverdata := nil;
- if (SDL_GetClosestDisplayMode(0, @mode, @cmode) = nil) then
- begin
- e_WriteLog('SDL: cannot find display mode for '+IntToStr(gScreenWidth), TMsgType.Notify);
- gScreenWidth := 800;
- gScreenHeight := 600;
- end
- else
- begin
- e_WriteLog('SDL: found display mode for '+IntToStr(gScreenWidth)+'x'+IntToStr(gScreenHeight)+': '+IntToStr(cmode.w)+'x'+IntToStr(cmode.h), TMsgType.Notify);
- gScreenWidth := cmode.w;
- gScreenHeight := cmode.h;
- end;
- end;
-
- if (preserveGL) and (h_Wnd <> nil) and (not gFullscreen) and (not wasFullscreen) then
- begin
- //SDL_SetWindowMaximumSize(h_Wnd, gScreenWidth, gScreenHeight);
- //SDL_SetWindowDisplayMode(h_Wnd, @cmode);
- if (wMaximized) then SDL_RestoreWindow(h_Wnd);
- wMaximized := false;
- gWinMaximized := false;
- SDL_SetWindowSize(h_Wnd, gScreenWidth, gScreenHeight);
- //SDL_SetWindowFullscreen(h_Wnd, SDL_WINDOW_FULLSCREEN);
- //SDL_SetWindowFullscreen(h_Wnd, 0);
- end
- else
- begin
- KillGLWindow(preserveGL);
- h_Wnd := SDL_CreateWindow(PChar(wTitle), gWinRealPosX, gWinRealPosY, gScreenWidth, gScreenHeight, wFlags);
- if gFullscreen then
- SDL_SetWindowFullscreen(h_Wnd, SDL_WINDOW_FULLSCREEN);
- if (h_Wnd = nil) then exit;
- end;
- wasFullscreen := gFullscreen;
-
- SDL_GL_MakeCurrent(h_Wnd, h_GL);
- SDL_ShowCursor(SDL_DISABLE);
- if (h_GL <> nil) then g_SetVSync(gVSync);
- if (gFullscreen) then
- begin
- nw := 0;
- nh := 0;
- SDL_GetWindowSize(h_Wnd, @nw, @nh);
- if (nw > 128) and (nh > 128) then
- begin
- e_WriteLog('SDL: fullscreen window got size '+IntToStr(nw)+'x'+IntToStr(nh)+': '+IntToStr(gScreenWidth)+'x'+IntToStr(gScreenHeight), TMsgType.Notify);
- gScreenWidth := nw;
- gScreenHeight := nh;
- end
- else
- begin
- e_WriteLog('SDL: fullscreen window got invalid size: '+IntToStr(nw)+'x'+IntToStr(nh), TMsgType.Notify);
- end;
- end;
- fuiScrWdt := gScreenWidth;
- fuiScrHgt := gScreenHeight;
- if (h_GL <> nil) and (not preserveGL) then begin if (assigned(oglInitCB)) then oglInitCB(); end;
-{$ENDIF}
-
- result := true;
-end;
-
-
-function GetDisplayModes (dbpp: LongWord; var selres: LongWord): SSArray;
-var
- mode: TSDL_DisplayMode;
- res, i, k, n, pw, ph: Integer;
-begin
- SetLength(result, 0);
- {$IFDEF HEADLESS}exit;{$ENDIF}
- k := 0; selres := 0;
- n := SDL_GetNumDisplayModes(0);
- pw := 0; ph := 0;
- for i := 0 to n do
- begin
- res := SDL_GetDisplayMode(0, i, @mode);
- if res < 0 then continue;
- if SDL_BITSPERPIXEL(mode.format) = gBPP then continue;
- if (mode.w = pw) and (mode.h = ph) then continue;
- if (mode.w = gScreenWidth) and (mode.h = gScreenHeight) then
- selres := k;
- Inc(k);
- SetLength(result, k);
- result[k-1] := IntToStr(mode.w) + 'x' + IntToStr(mode.h);
- pw := mode.w; ph := mode.h
- end;
-
- e_WriteLog('SDL: Got ' + IntToStr(k) + ' resolutions.', TMsgType.Notify);
-end;
-
-
-procedure Sleep (ms: LongWord);
-begin
- SDL_Delay(ms);
-end;
-
-
-procedure ChangeWindowSize ();
-begin
- e_LogWritefln(' ChangeWindowSize: (ws=%dx%d) (ss=%dx%d)', [gWinSizeX, gWinSizeY, gScreenWidth, gScreenHeight]);
- gWinSizeX := gScreenWidth;
- gWinSizeY := gScreenHeight;
-{$IF not DEFINED(HEADLESS)}
- fuiScrWdt := gScreenWidth;
- fuiScrHgt := gScreenHeight;
- e_ResizeWindow(gScreenWidth, gScreenHeight);
- g_Game_SetupScreenSize();
- g_Menu_Reset();
- g_Game_ClearLoading();
-{$ENDIF}
-end;
-
-
-function g_Window_SetSize (w, h: Word; fullscreen: Boolean): Boolean;
-{$IF not DEFINED(HEADLESS)}
-var
- preserve: Boolean;
-{$ENDIF}
-begin
- result := false;
-{$IF not DEFINED(HEADLESS)}
- preserve := false;
-
- if (gScreenWidth <> w) or (gScreenHeight <> h) then
- begin
- result := true;
- preserve := true;
- gScreenWidth := w;
- gScreenHeight := h;
- end;
-
- if (gFullscreen <> fullscreen) then
- begin
- result := true;
- preserve := true;
- gFullscreen := fullscreen;
- preserve := true;
- end;
-
- if result then
- begin
- g_Window_SetDisplay(preserve);
- ChangeWindowSize();
- end;
-{$ENDIF}
-end;
-
-
-function WindowEventHandler (constref ev: TSDL_WindowEvent): Boolean;
-var
- wActivate, wDeactivate: Boolean;
-begin
- result := false;
- wActivate := false;
- wDeactivate := false;
-
- case ev.event of
- SDL_WINDOWEVENT_MOVED:
- begin
- if not (gFullscreen or gWinMaximized) then
- begin
- gWinRealPosX := ev.data1;
- gWinRealPosY := ev.data2;
- end;
- end;
-
- SDL_WINDOWEVENT_MINIMIZED:
- begin
- e_UnpressAllKeys();
- if not wMinimized then
- begin
- e_ResizeWindow(0, 0);
- wMinimized := true;
- if g_debug_WinMsgs then
- begin
- g_Console_Add('Now minimized');
- e_WriteLog('[DEBUG] WinMsgs: Now minimized', TMsgType.Notify);
- end;
- wDeactivate := true;
- end;
- end;
-
- SDL_WINDOWEVENT_RESIZED:
- begin
- e_LogWritefln('Resize: (os=%dx%d) (ns=%dx%d)', [gScreenWidth, gScreenHeight, Integer(ev.data1), Integer(ev.data2)]);
- {if (gFullscreen) then
- begin
- e_LogWriteln(' fullscreen fix applied.');
- if (gScreenWidth <> ev.data1) or (gScreenHeight <> ev.data2) then
- begin
- SDL_SetWindowSize(h_Wnd, gScreenWidth, gScreenHeight);
- end;
- end
- else}
- begin
- gScreenWidth := ev.data1;
- gScreenHeight := ev.data2;
- end;
- ChangeWindowSize();
- SwapBuffers();
- if g_debug_WinMsgs then
- begin
- g_Console_Add('Resized to ' + IntToStr(ev.data1) + 'x' + IntToStr(ev.data2));
- e_WriteLog('[DEBUG] WinMsgs: Resized to ' + IntToStr(ev.data1) + 'x' + IntToStr(ev.data2), TMsgType.Notify);
- end;
- end;
-
- SDL_WINDOWEVENT_EXPOSED:
- SwapBuffers();
-
- SDL_WINDOWEVENT_MAXIMIZED:
- begin
- wMaximized := true;
- if wMinimized then
- begin
- e_ResizeWindow(gScreenWidth, gScreenHeight);
- wMinimized := false;
- wActivate := true;
- end;
- if (not gWinMaximized) and (not gFullscreen) then
- begin
- gWinMaximized := true;
- if g_debug_WinMsgs then
- begin
- g_Console_Add('Now maximized');
- e_WriteLog('[DEBUG] WinMsgs: Now maximized', TMsgType.Notify);
- end;
- end;
- end;
-
- SDL_WINDOWEVENT_RESTORED:
- begin
- wMaximized := false;
- if wMinimized then
- begin
- e_ResizeWindow(gScreenWidth, gScreenHeight);
- wMinimized := false;
- wActivate := true;
- end;
- gWinMaximized := false;
- if g_debug_WinMsgs then
- begin
- g_Console_Add('Now restored');
- e_WriteLog('[DEBUG] WinMsgs: Now restored', TMsgType.Notify);
- end;
- end;
-
- SDL_WINDOWEVENT_FOCUS_GAINED:
- begin
- wActivate := true;
- //e_WriteLog('window gained focus!', MSG_NOTIFY);
- end;
-
- SDL_WINDOWEVENT_FOCUS_LOST:
- begin
- wDeactivate := true;
- e_UnpressAllKeys();
- //e_WriteLog('window lost focus!', MSG_NOTIFY);
- end;
- end;
-
- if wDeactivate then
- begin
- if gWinActive then
- begin
- e_WriteLog('deactivating window', TMsgType.Notify);
- e_EnableInput := false;
- e_ClearInputBuffer();
-
- if gMuteWhenInactive then
- begin
- //e_WriteLog('deactivating sounds', MSG_NOTIFY);
- e_MuteChannels(true);
- end;
-
- if g_debug_WinMsgs then
- begin
- g_Console_Add('Now inactive');
- e_WriteLog('[DEBUG] WinMsgs: Now inactive', TMsgType.Notify);
- end;
-
- gWinActive := false;
-
- if assigned(winBlurCB) then winBlurCB();
- end;
- end
- else if wActivate then
- begin
- if not gWinActive then
- begin
- //e_WriteLog('activating window', MSG_NOTIFY);
- e_EnableInput := true;
-
- if gMuteWhenInactive then
- begin
- //e_WriteLog('activating sounds', MSG_NOTIFY);
- e_MuteChannels(false);
- end;
-
- if g_debug_WinMsgs then
- begin
- g_Console_Add('Now active');
- e_WriteLog('[DEBUG] WinMsgs: Now active', TMsgType.Notify);
- end;
-
- gWinActive := true;
- if assigned(winFocusCB) then winFocusCB();
- end;
- end;
-end;
-
-
-function EventHandler (var ev: TSDL_Event): Boolean;
-var
- key, keychr: Word;
- uc: UnicodeChar;
- down: Boolean;
-begin
- result := false;
-
- case ev.type_ of
- SDL_WINDOWEVENT:
- result := WindowEventHandler(ev.window);
-
- SDL_QUITEV:
- begin
- if (gExit <> EXIT_QUIT) then
- begin
- if not wLoadingProgress then
- begin
- g_Game_Free();
- g_Game_Quit();
- end
- else
- begin
- wLoadingQuit := true;
- end;
- end;
- result := true;
- end;
-
- SDL_KEYDOWN, SDL_KEYUP:
- begin
- key := ev.key.keysym.scancode;
- if key = SDL_SCANCODE_AC_BACK then
- key := SDL_SCANCODE_ESCAPE;
- down := (ev.type_ = SDL_KEYDOWN);
- {$IF not DEFINED(HEADLESS)}
- if fuiOnSDLEvent(ev) then
- begin
- // event eaten, but...
- if not down then e_KeyUpDown(key, false);
- exit;
- end;
- {$ENDIF}
- e_KeyUpDown(key, down);
- if down then KeyPress(key);
- end;
-
- {$IF not DEFINED(HEADLESS)}
- SDL_MOUSEBUTTONDOWN, SDL_MOUSEBUTTONUP, SDL_MOUSEWHEEL, SDL_MOUSEMOTION:
- fuiOnSDLEvent(ev);
- {$ENDIF}
-
- SDL_TEXTINPUT:
- begin
- Utf8ToUnicode(@uc, PChar(ev.text.text), 1);
- keychr := Word(uc);
- if (keychr > 127) then keychr := Word(wchar2win(WideChar(keychr)));
- if (keychr > 0) and (keychr <= 255) then CharPress(AnsiChar(keychr));
- end;
-
- SDL_FINGERMOTION, SDL_FINGERDOWN, SDL_FINGERUP:
- g_Touch_HandleEvent(ev.tfinger);
-
- // other key presses and joysticks are handled in e_input
- end;
-end;
-
-
-procedure SwapBuffers ();
-begin
- {$IF not DEFINED(HEADLESS)}
- SDL_GL_SwapWindow(h_Wnd);
- {$ENDIF}
-end;
-
-
-function CreateGLWindow (Title: PChar): Boolean;
-begin
- result := false;
-
- gWinSizeX := gScreenWidth;
- gWinSizeY := gScreenHeight;
-
-{$IF not DEFINED(HEADLESS)}
- wTitle := Title;
-{$ENDIF}
- e_WriteLog('Creating window', TMsgType.Notify);
-
- if not g_Window_SetDisplay() then
- begin
- KillGLWindow(false);
- e_WriteLog('Window creation error (resolution not supported?)', TMsgType.Fatal);
- exit;
- end;
-
-{$IF not DEFINED(HEADLESS)}
- h_GL := SDL_GL_CreateContext(h_Wnd);
- if (h_GL = nil) then exit;
- fuiScrWdt := gScreenWidth;
- fuiScrHgt := gScreenHeight;
- SDL_GL_MakeCurrent(h_Wnd, h_GL);
-{$IFDEF USE_NANOGL}
- if nanoGL_Init() = 0 then
- begin
- KillGLWindow(false);
- e_WriteLog('nanoGL initialization error', TMsgType.Fatal);
- exit;
- end;
-{$ENDIF}
- if (assigned(oglInitCB)) then oglInitCB();
- if (h_GL <> nil) then g_SetVSync(gVSync);
-{$ENDIF}
-
- e_ResizeWindow(gScreenWidth, gScreenHeight);
- e_InitGL();
-
- result := true;
-end;
-
-
-{$IFDEF WINDOWS}
-// windoze sux; in headless mode `GetTickCount()` (and SDL) returns shit
-function GetTimer (): Int64;
-var
- F, C: Int64;
-begin
- QueryPerformanceFrequency(F);
- QueryPerformanceCounter(C);
- result := Round(C/F*1000{000});
-end;
-{$ELSE}
-function GetTimer (): Int64;
-var
- t: Uint32;
- tt: Int64;
-begin
- t := SDL_GetTicks();
- if (ticksOverflow = -1) then
- begin
- ticksOverflow := 0;
- lastTicks := t;
- end
- else
- begin
- if (lastTicks > t) then
- begin
- // overflow, increment overflow ;-)
- ticksOverflow := ticksOverflow+(Int64($ffffffff)+Int64(1));
- tt := (Int64($ffffffff)+Int64(1))+Int64(t);
- t := Uint32(tt-lastTicks);
- end;
- end;
- lastTicks := t;
- result := ticksOverflow+Int64(t);
-end;
-{$ENDIF}
-
