Silly mouse behaviour removed, ported the binary config file handling code to C.

zsnes/src/gui/guifuncs.c

@@ -0,0 +1,126 @@
+/*
+Copyright (C) 1997-2005 ZSNES Team ( zsKnight, _Demo_, pagefault, Nach )
+
+http://www.zsnes.com
+http://sourceforge.net/projects/zsnes
+
+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 2 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, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+
+#ifdef __LINUX__
+#include "gblhdr.h"
+#define DIR_SLASH "/"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <zlib.h>
+#define DIR_SLASH "\\"
+#endif
+
+extern unsigned char ComboHeader[23], ComboBlHeader[23], GUIRAdd, GUIFName[256];
+extern unsigned char GUICName[256], GUIsmallscreenon, ScreenScale, TimeChecker;
+extern unsigned char GUIScreenScale, ShowTimer, ReCalib, cfgdontsave;
+extern unsigned char CombinDataGlob[3300];
+extern unsigned int PHnumGUIsave, smallscreenon, SnowTimer, NumSnow;
+extern unsigned int CalibXmin, CalibXmax, CalibYmin, CalibYmax, NumComboGlob;
+extern unsigned int CalibXmin209, CalibXmax209, CalibYmin209, CalibYmax209;
+
+unsigned char CalcCfgChecksum()
+{
+  unsigned char *ptr = &GUIRAdd, i = 0;
+  unsigned short chksum = 0;
+
+  for (; i < 100 ; i++, ptr++)  { chksum += *ptr; }
+
+  chksum ^= 0xB2ED; // xor bx,1011001011101101b
+  i = (chksum & 0x800) >> 8;
+  chksum &= 0xF7FF; // and bh,0F7h
+
+  if (chksum & 0x10) { chksum |= 0x800; }
+  chksum &= 0xFFEF; // and bl,0EFh
+  if (i) { chksum |= 0x10; }
+
+  i = (chksum >> 8);
+
+  return (((chksum & 0xFF) ^ i) | 0x80);
+}
+
+void GUIRestoreVars()
+{
+  FILE *cfg_fp;
+
+  if ((cfg_fp = fopen(GUIFName, "rb")))
+  {
+    fread(&GUIRAdd, 1, PHnumGUIsave, cfg_fp);
+    fclose(cfg_fp);
+  }
+
+  smallscreenon = (unsigned int)GUIsmallscreenon;
+  ScreenScale = GUIScreenScale;
+
+  if (TimeChecker == CalcCfgChecksum());
+  {
+    ShowTimer = 1;
+    NumSnow = 200;
+    SnowTimer = 0;
+  }
+
+  if (ReCalib)
+  {
+    ReCalib = 0;
+    CalibXmin = CalibXmax = CalibYmin = CalibYmax = 0;
+    CalibXmin209 = CalibXmax209 = CalibYmin209 = CalibYmax209 = 0;
+  }
+
+  NumComboGlob = 0;
+
+  if ((cfg_fp = fopen(GUICName, "rb")))
+  {
+    fread(ComboBlHeader, 1, 23, cfg_fp);
+
+    if (ComboBlHeader[22])
+    {
+      NumComboGlob = ComboBlHeader[22];
+      fread(CombinDataGlob, 1, (NumComboGlob << 6)+2*NumComboGlob, cfg_fp);
+    }
+
+    fclose(cfg_fp);
+  }
+}
+
+void ExecGUISaveVars()
+{
+  FILE *cfg_fp;
+
+  if (ShowTimer == 1) { TimeChecker = CalcCfgChecksum(); }
+
+  if (!cfgdontsave && (cfg_fp = fopen(GUIFName, "wb")))
+  {
+    fwrite(&GUIRAdd, 1, PHnumGUIsave, cfg_fp);
+    fclose(cfg_fp);
+  }
+
+  if (NumComboGlob && (cfg_fp = fopen(GUICName, "wb")))
+  {
+    ComboHeader[22] = NumComboGlob;
+    fwrite(ComboHeader, 1, 23, cfg_fp);
+    fwrite(CombinDataGlob, 1, (NumComboGlob << 6)+2*NumComboGlob, cfg_fp);
+    fclose(cfg_fp);
+  }
+}