]> git.jsancho.org Git - lugaru.git/blobdiff - Source/OpenGL_Windows.cpp
Remove Random.cpp
[lugaru.git] / Source / OpenGL_Windows.cpp
index 94fd00f53e3bd7bbcb51ea92ab8c3c36a20752f5..37ad22fa433718097152721b9e28cc14cf621a65 100644 (file)
@@ -48,7 +48,7 @@ extern "C" {
 static bool load_image(const char * fname, TGAImageRec & tex);
 static bool load_png(const char * fname, TGAImageRec & tex);
 static bool load_jpg(const char * fname, TGAImageRec & tex);
-static bool save_image(const char * fname);
+bool save_image(const char * fname);
 static bool save_png(const char * fname);
 
 
@@ -61,15 +61,11 @@ static bool save_png(const char * fname);
 #pragma comment(lib, "glaux.lib")
 #endif
 
-extern bool buttons[3];
 extern float multiplier;
 extern float sps;
 extern float realmultiplier;
 extern int slomo;
 extern bool cellophane;
-// MODIFIED GWC
-//extern int terraindetail;
-//extern int texdetail;
 extern float terraindetail;
 extern float texdetail;
 
@@ -102,8 +98,6 @@ extern float slomofreq;
 
 using namespace std;
 
-
-
 SDL_Rect **resolutions = NULL;
 static SDL_Rect rect_1024_768 = { 0, 0, 1024, 768 };
 static SDL_Rect rect_800_600  = { 0, 0, 800,  600 };
@@ -115,35 +109,14 @@ static SDL_Rect *hardcoded_resolutions[] = {
     NULL
 };
 
-
-
-unsigned int resolutionDepths[8][2] = {0};
-
-int closestResolution(int width, int height);
-int resolutionID(int width, int height);
-
-void ReportError (char * strError);
-
 void DrawGL(Game & game);
 
-void CreateGLWindow (void);
 Boolean SetUp (Game & game);
-void DoKey (SInt8 theKey, SInt8 theCode);
 void DoUpdate (Game & game);
 
-void DoEvent (void);
 void CleanUp (void);
 
-
 // statics/globals (internal only) ------------------------------------------
-#ifndef WIN32
-typedef struct tagPOINT { 
-  int x;
-  int y;
-} POINT, *PPOINT; 
-#endif
-
-
 
 #ifdef _MSC_VER
 #pragma warning(push)
@@ -188,50 +161,17 @@ static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textu
     // no-op.
 }
 
-
-
-void sdlGetCursorPos(POINT *pt)
-{
-    SDL_GetMouseState(&(pt->x), &(pt->y));
-}
-#define GetCursorPos(x) sdlGetCursorPos(x)
-#define SetCursorPos(x, y) SDL_WarpMouse(x, y)
-#define ScreenToClient(x, pt)
-#define ClientToScreen(x, pt)
 #ifdef MessageBox
 #undef MessageBox
 #endif
 #define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
 
-
-Point delta;
-
-static bool g_button, fullscreen = true;
-
-
 // Menu defs
-enum 
-{
-       kFileQuit = 1
-};
-
-enum 
-{
-       kForegroundSleep = 10,
-       kBackgroundSleep = 10000
-};
-
 
 int kContextWidth;
 int kContextHeight;
 
-const RGBColor rgbBlack = { 0x0000, 0x0000, 0x0000 };
-
-GLuint gFontList;
-char gcstrMode [256] = "";
-
-UInt32 gSleepTime = kForegroundSleep;
-Boolean gDone = false, gfFrontProcess = true;
+Boolean gDone = false;
 
 Game * pgame = 0;
 
@@ -254,180 +194,12 @@ bool cmdline(const char *cmd)
     return false;
 }
 
-
-// --------------------------------------------------------------------------
-
-void ReportError (char * strError)
-{
-#ifdef _MSC_VER  // !!! FIXME.  --ryan.
-       throw std::exception( strError);
-#endif
-
-       /*      char errMsgCStr [256];
-       Str255 strErr;
-
-       sprintf (errMsgCStr, "%s", strError); 
-
-       // out as debug string
-       CToPStr (strErr, errMsgCStr);
-       DebugStr (strErr);
-       */
-}
-
 //-----------------------------------------------------------------------------------------------------------------------
 
 // OpenGL Drawing
 
-void DrawGL (Game & game)
-{
-       if ( stereomode == stereoNone ) {
-               game.DrawGLScene(stereoCenter);
-       } else {
-               game.DrawGLScene(stereoLeft);
-               game.DrawGLScene(stereoRight);
-       }
-}
-
-
-static KeyMap g_theKeys;
-
-void SetKey( int key)
-{
-    g_theKeys[ key >> 3] |= (1 << (key & 7));
-}
-
-void ClearKey( int key)
-{
-    g_theKeys[ key >> 3] &= (0xff ^ (1 << (key & 7)));
-}
-
-void GetKeys(  unsigned char theKeys[16])
-{
-    memcpy( theKeys, &g_theKeys, 16);
-}
-
-Boolean Button()
-{
-    return g_button;
-}
-
-
-#define MAX_SDLKEYS SDLK_LAST
-static unsigned short KeyTable[MAX_SDLKEYS];
-
-static void initSDLKeyTable(void)
-{
-    memset(KeyTable, 0xFF, sizeof (KeyTable));
-    KeyTable[SDLK_BACKSPACE] = MAC_DELETE_KEY;
-    KeyTable[SDLK_TAB] = MAC_TAB_KEY;
-    KeyTable[SDLK_RETURN] = MAC_RETURN_KEY;
-    KeyTable[SDLK_ESCAPE] = MAC_ESCAPE_KEY;
-    KeyTable[SDLK_SPACE] = MAC_SPACE_KEY;
-    KeyTable[SDLK_PAGEUP] = MAC_PAGE_UP_KEY;
-    KeyTable[SDLK_PAGEDOWN] = MAC_PAGE_DOWN_KEY;
-    KeyTable[SDLK_END] = MAC_END_KEY;
-    KeyTable[SDLK_HOME] = MAC_HOME_KEY;
-    KeyTable[SDLK_LEFT] = MAC_ARROW_LEFT_KEY;
-    KeyTable[SDLK_UP] = MAC_ARROW_UP_KEY;
-    KeyTable[SDLK_RIGHT] = MAC_ARROW_RIGHT_KEY;
-    KeyTable[SDLK_DOWN] = MAC_ARROW_DOWN_KEY;
-    KeyTable[SDLK_INSERT] = MAC_INSERT_KEY;
-    KeyTable[SDLK_DELETE] = MAC_DEL_KEY;
-    KeyTable[SDLK_0] = MAC_0_KEY;
-    KeyTable[SDLK_1] = MAC_1_KEY;
-    KeyTable[SDLK_2] = MAC_2_KEY;
-    KeyTable[SDLK_3] = MAC_3_KEY;
-    KeyTable[SDLK_4] = MAC_4_KEY;
-    KeyTable[SDLK_5] = MAC_5_KEY;
-    KeyTable[SDLK_6] = MAC_6_KEY;
-    KeyTable[SDLK_7] = MAC_7_KEY;
-    KeyTable[SDLK_8] = MAC_8_KEY;
-    KeyTable[SDLK_9] = MAC_9_KEY;
-    KeyTable[SDLK_a] = MAC_A_KEY;
-    KeyTable[SDLK_b] = MAC_B_KEY;
-    KeyTable[SDLK_c] = MAC_C_KEY;
-    KeyTable[SDLK_d] = MAC_D_KEY;
-    KeyTable[SDLK_e] = MAC_E_KEY;
-    KeyTable[SDLK_f] = MAC_F_KEY;
-    KeyTable[SDLK_g] = MAC_G_KEY;
-    KeyTable[SDLK_h] = MAC_H_KEY;
-    KeyTable[SDLK_i] = MAC_I_KEY;
-    KeyTable[SDLK_j] = MAC_J_KEY;
-    KeyTable[SDLK_k] = MAC_K_KEY;
-    KeyTable[SDLK_l] = MAC_L_KEY;
-    KeyTable[SDLK_m] = MAC_M_KEY;
-    KeyTable[SDLK_n] = MAC_N_KEY;
-    KeyTable[SDLK_o] = MAC_O_KEY;
-    KeyTable[SDLK_p] = MAC_P_KEY;
-    KeyTable[SDLK_q] = MAC_Q_KEY;
-    KeyTable[SDLK_r] = MAC_R_KEY;
-    KeyTable[SDLK_s] = MAC_S_KEY;
-    KeyTable[SDLK_t] = MAC_T_KEY;
-    KeyTable[SDLK_u] = MAC_U_KEY;
-    KeyTable[SDLK_v] = MAC_V_KEY;
-    KeyTable[SDLK_w] = MAC_W_KEY;
-    KeyTable[SDLK_x] = MAC_X_KEY;
-    KeyTable[SDLK_y] = MAC_Y_KEY;
-    KeyTable[SDLK_z] = MAC_Z_KEY;
-    KeyTable[SDLK_KP0] = MAC_NUMPAD_0_KEY;
-    KeyTable[SDLK_KP1] = MAC_NUMPAD_1_KEY;
-    KeyTable[SDLK_KP2] = MAC_NUMPAD_2_KEY;
-    KeyTable[SDLK_KP3] = MAC_NUMPAD_3_KEY;
-    KeyTable[SDLK_KP4] = MAC_NUMPAD_4_KEY;
-    KeyTable[SDLK_KP5] = MAC_NUMPAD_5_KEY;
-    KeyTable[SDLK_KP6] = MAC_NUMPAD_6_KEY;
-    KeyTable[SDLK_KP7] = MAC_NUMPAD_7_KEY;
-    KeyTable[SDLK_KP8] = MAC_NUMPAD_8_KEY;
-    KeyTable[SDLK_KP9] = MAC_NUMPAD_9_KEY;
-    KeyTable[SDLK_KP_MULTIPLY] = MAC_NUMPAD_ASTERISK_KEY;
-    KeyTable[SDLK_KP_PLUS] = MAC_NUMPAD_PLUS_KEY;
-    KeyTable[SDLK_KP_ENTER] = MAC_NUMPAD_ENTER_KEY;
-    KeyTable[SDLK_KP_MINUS] = MAC_NUMPAD_MINUS_KEY;
-    KeyTable[SDLK_KP_PERIOD] = MAC_NUMPAD_PERIOD_KEY;
-    KeyTable[SDLK_KP_DIVIDE] = MAC_NUMPAD_SLASH_KEY;
-    KeyTable[SDLK_F1] = MAC_F1_KEY;
-    KeyTable[SDLK_F2] = MAC_F2_KEY;
-    KeyTable[SDLK_F3] = MAC_F3_KEY;
-    KeyTable[SDLK_F4] = MAC_F4_KEY;
-    KeyTable[SDLK_F5] = MAC_F5_KEY;
-    KeyTable[SDLK_F6] = MAC_F6_KEY;
-    KeyTable[SDLK_F7] = MAC_F7_KEY;
-    KeyTable[SDLK_F8] = MAC_F8_KEY;
-    KeyTable[SDLK_F9] = MAC_F9_KEY;
-    KeyTable[SDLK_F10] = MAC_F10_KEY;
-    KeyTable[SDLK_F11] = MAC_F11_KEY;
-    KeyTable[SDLK_F12] = MAC_F12_KEY;
-    KeyTable[SDLK_SEMICOLON] = MAC_SEMICOLON_KEY;
-    KeyTable[SDLK_PLUS] = MAC_PLUS_KEY;
-    KeyTable[SDLK_COMMA] = MAC_COMMA_KEY;
-    KeyTable[SDLK_MINUS] = MAC_MINUS_KEY;
-    KeyTable[SDLK_PERIOD] = MAC_PERIOD_KEY;
-    KeyTable[SDLK_SLASH] = MAC_SLASH_KEY;
-    KeyTable[SDLK_BACKQUOTE] = MAC_TILDE_KEY;
-    KeyTable[SDLK_LEFTBRACKET] = MAC_LEFTBRACKET_KEY;
-    KeyTable[SDLK_BACKSLASH] = MAC_BACKSLASH_KEY;
-    KeyTable[SDLK_RIGHTBRACKET] = MAC_RIGHTBRACKET_KEY;
-    KeyTable[SDLK_QUOTE] = MAC_APOSTROPHE_KEY;
-}
-
-static inline int clamp_sdl_mouse_button(Uint8 button)
-{
-    if (button == 2)   // right mouse button is button 3 in SDL.
-        button = 3;
-    else if (button == 3)
-        button = 2;
-
-    if ((button >= 1) && (button <= 3))
-        return button - 1;
-    return -1;
-}
-
 static void sdlEventProc(const SDL_Event &e, Game &game)
 {
-    int val;
-    bool skipkey = false;
-    SDLMod mod;
-
     switch(e.type)
        {
         case SDL_MOUSEMOTION:
@@ -435,93 +207,14 @@ static void sdlEventProc(const SDL_Event &e, Game &game)
             game.deltav += e.motion.yrel;
             return;
 
-               case SDL_MOUSEBUTTONDOWN:
-                       {
-                val = clamp_sdl_mouse_button(e.button.button);
-                if ((val >= 0) && (val <= 2))
-                {
-                    if (val == 0)
-                                   g_button = true;
-                               buttons[val] = true;
-                }
-                       }
-                       return;
-
-               case SDL_MOUSEBUTTONUP:
-                       {
-                val = clamp_sdl_mouse_button(e.button.button);
-                if ((val >= 0) && (val <= 2))
-                {
-                    if (val == 0)
-                                   g_button = false;
-                               buttons[val] = false;
-                }
-                       }
-            return;
-
         case SDL_KEYDOWN:
-            if (e.key.keysym.sym == SDLK_g)
-            {
-                if (e.key.keysym.mod & KMOD_CTRL)
-                {
-                    skipkey = true;
-                    SDL_GrabMode mode = SDL_GRAB_ON;
-                    if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
-                    {
-                        mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
-                        mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
-                    }
-                    SDL_WM_GrabInput(mode);
-                }
+            if ((e.key.keysym.sym == SDLK_g) &&
+                               (e.key.keysym.mod & KMOD_CTRL) &&
+                               !(SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) ) {
+                               SDL_WM_GrabInput( ((SDL_WM_GrabInput(SDL_GRAB_QUERY)==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON) );
+                       } else if ( (e.key.keysym.sym == SDLK_RETURN) && (e.key.keysym.mod & KMOD_ALT) ) {
+                               SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
             }
-
-            else if (e.key.keysym.sym == SDLK_RETURN)
-            {
-                if (e.key.keysym.mod & KMOD_ALT)
-                {
-                    skipkey = true;
-                    SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
-                }
-            }
-
-            if ((!skipkey) && (e.key.keysym.sym < SDLK_LAST))
-            {
-                if (KeyTable[e.key.keysym.sym] != 0xffff)
-                    SetKey(KeyTable[e.key.keysym.sym]);
-            }
-
-            mod = SDL_GetModState();
-            if (mod & KMOD_CTRL)
-                SetKey(MAC_CONTROL_KEY);
-            if (mod & KMOD_ALT)
-                SetKey(MAC_OPTION_KEY);
-            if (mod & KMOD_META)
-                SetKey(MAC_COMMAND_KEY);
-            if (mod & KMOD_SHIFT)
-                SetKey(MAC_SHIFT_KEY);
-            if (mod & KMOD_CAPS)
-                SetKey(MAC_CAPS_LOCK_KEY);
-
-            return;
-
-        case SDL_KEYUP:
-            if (e.key.keysym.sym < SDLK_LAST)
-            {
-                if (KeyTable[e.key.keysym.sym] != 0xffff)
-                    ClearKey(KeyTable[e.key.keysym.sym]);
-            }
-
-            mod = SDL_GetModState();
-            if ((mod & KMOD_CTRL) == 0)
-                ClearKey(MAC_CONTROL_KEY);
-            if ((mod & KMOD_ALT) == 0)
-                ClearKey(MAC_OPTION_KEY);
-            if ((mod & KMOD_META) == 0)
-                ClearKey(MAC_COMMAND_KEY);
-            if ((mod & KMOD_SHIFT) == 0)
-                ClearKey(MAC_SHIFT_KEY);
-            if ((mod & KMOD_CAPS) == 0)
-                ClearKey(MAC_CAPS_LOCK_KEY);
             return;
     }
 }
@@ -537,8 +230,6 @@ Boolean SetUp (Game & game)
 
        LOGFUNC;
 
-       randSeed = UpTime().lo;
-
        osx = 0;
        cellophane=0;
        texdetail=4;
@@ -740,19 +431,6 @@ static void DoMouse(Game & game)
 
 }
 
-
-
-// --------------------------------------------------------------------------
-
-void DoKey (SInt8 theKey, SInt8 theCode)
-{
-       // do nothing
-}
-
-// --------------------------------------------------------------------------
-
-
-
 void DoFrameRate (int update)
 {      
        static long frames = 0;
@@ -861,7 +539,7 @@ void DoUpdate (Game & game)
                num_channels = 0;
        }
 */
-       DrawGL (game);
+       game.DrawGL();
 }
 
 // --------------------------------------------------------------------------
@@ -871,11 +549,6 @@ void CleanUp (void)
 {
        LOGFUNC;
 
-//     game.Dispose();
-
-
-
-
     SDL_Quit();
     #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
     #include "glstubs.h"
@@ -1034,10 +707,6 @@ int main(int argc, char **argv)
 
        LOGFUNC;
 
-       memset( &g_theKeys, 0, sizeof( KeyMap));
-
-    initSDLKeyTable();
-
        try
        {
                bool regnow = false;
@@ -1064,17 +733,18 @@ int main(int argc, char **argv)
                                        game.deltah = 0;
                                        game.deltav = 0;
                                        SDL_Event e;
-                                       // message pump
-                                       while( SDL_PollEvent( &e ) )
-                                       {
-                                               if( e.type == SDL_QUIT )
+                                       if(!game.isWaiting()) {
+                                               // message pump
+                                               while( SDL_PollEvent( &e ) )
                                                {
-                                                       gDone=true;
-                                                       break;
+                                                       if( e.type == SDL_QUIT )
+                                                       {
+                                                               gDone=true;
+                                                               break;
+                                                       }
+                                                       sdlEventProc(e, game);
                                                }
-                                               sdlEventProc(e, game);
                                        }
-                               
 
                                        // game
                                        DoUpdate(game);
@@ -1103,21 +773,7 @@ int main(int argc, char **argv)
                pgame = 0;
 
                CleanUp ();
-//             if(game.registernow){
-               if(regnow)
-               {
-            #if (defined(__APPLE__) && defined(__MACH__))
-            launch_web_browser("http://www.wolfire.com/purchase/lugaru/mac");
-            #elif PLATFORM_LINUX
-            launch_web_browser("http://www.wolfire.com/purchase/lugaru/linux");
-            #else
-            launch_web_browser("http://www.wolfire.com/purchase/lugaru/pc");
-            #endif
-               }
 
-        #if PLATFORM_LINUX  // (this may not be necessary any more.)
-        _exit(0);  // !!! FIXME: hack...crashes on exit!
-        #endif
                return 0;
        }
        catch (const std::exception& error)
@@ -1139,77 +795,77 @@ int main(int argc, char **argv)
 
 
 
-       // --------------------------------------------------------------------------
+// --------------------------------------------------------------------------
 
-       extern int channels[100];
-       extern OPENAL_SAMPLE * samp[100];
-       extern OPENAL_STREAM * strm[20];
+extern int channels[100];
+extern OPENAL_SAMPLE * samp[100];
+extern OPENAL_STREAM * strm[20];
 
-       extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
+extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
+{
+       const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
+       if (currSample && currSample == samp[chan])
        {
-               const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
-               if (currSample && currSample == samp[chan])
+               if (OPENAL_GetPaused(channels[chan]))
+               {
+                       OPENAL_StopSound(channels[chan]);
+                       channels[chan] = OPENAL_FREE;
+               }
+               else if (OPENAL_IsPlaying(channels[chan]))
                {
-                       if (OPENAL_GetPaused(channels[chan]))
+                       int loop_mode = OPENAL_GetLoopMode(channels[chan]);
+                       if (loop_mode & OPENAL_LOOP_OFF)
                        {
-                               OPENAL_StopSound(channels[chan]);
                                channels[chan] = OPENAL_FREE;
                        }
-                       else if (OPENAL_IsPlaying(channels[chan]))
-                       {
-                               int loop_mode = OPENAL_GetLoopMode(channels[chan]);
-                               if (loop_mode & OPENAL_LOOP_OFF)
-                               {
-                                       channels[chan] = OPENAL_FREE;
-                               }
-                       }
-               }
-               else
-               {
-                       channels[chan] = OPENAL_FREE;
                }
+       }
+       else
+       {
+               channels[chan] = OPENAL_FREE;
+       }
 
-               channels[chan] = OPENAL_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
-               if (channels[chan] < 0)
-               {
-                       channels[chan] = OPENAL_PlaySoundEx(OPENAL_FREE, sptr, dsp, startpaused);
-               }
+       channels[chan] = OPENAL_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
+       if (channels[chan] < 0)
+       {
+               channels[chan] = OPENAL_PlaySoundEx(OPENAL_FREE, sptr, dsp, startpaused);
        }
+}
 
-       extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
+extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
+{
+       const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
+       if (currSample && currSample == OPENAL_Stream_GetSample(sptr))
        {
-               const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
-               if (currSample && currSample == OPENAL_Stream_GetSample(sptr))
-               {
-                               OPENAL_StopSound(channels[chan]);
-                               OPENAL_Stream_Stop(sptr);
-               }
-               else
-               {
+                       OPENAL_StopSound(channels[chan]);
                        OPENAL_Stream_Stop(sptr);
-                       channels[chan] = OPENAL_FREE;
-               }
-
-               channels[chan] = OPENAL_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
-               if (channels[chan] < 0)
-               {
-                       channels[chan] = OPENAL_Stream_PlayEx(OPENAL_FREE, sptr, dsp, startpaused);
-               }
        }
-
-
-       bool LoadImage(const char * fname, TGAImageRec & tex)
+       else
        {
-               if ( tex.data == NULL )
-                       return false;
-               else
-                       return load_image(fname, tex);
+               OPENAL_Stream_Stop(sptr);
+               channels[chan] = OPENAL_FREE;
        }
 
-       void ScreenShot(const char * fname)
+       channels[chan] = OPENAL_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
+       if (channels[chan] < 0)
        {
-        save_image(fname);
+               channels[chan] = OPENAL_Stream_PlayEx(OPENAL_FREE, sptr, dsp, startpaused);
        }
+}
+
+
+bool LoadImage(const char * fname, TGAImageRec & tex)
+{
+       if ( tex.data == NULL )
+               return false;
+       else
+               return load_image(fname, tex);
+}
+
+void ScreenShot(const char * fname)
+{
+       
+}
 
 
 
@@ -1377,7 +1033,7 @@ png_done:
 }
 
 
-static bool save_image(const char *file_name)
+bool save_image(const char *file_name)
 {
     const char *ptr = strrchr((char *)file_name, '.');
     if (ptr)