mirror of
https://github.com/libretro/snes9x.git
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684 lines
16 KiB
C++
684 lines
16 KiB
C++
/***********************************************************************************
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Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
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(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
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Jerremy Koot (jkoot@snes9x.com)
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(c) Copyright 2002 - 2004 Matthew Kendora
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(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
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(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
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(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
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(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
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Kris Bleakley (codeviolation@hotmail.com)
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(c) Copyright 2002 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
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Nach (n-a-c-h@users.sourceforge.net),
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(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
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(c) Copyright 2006 - 2007 nitsuja
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(c) Copyright 2009 - 2011 BearOso,
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OV2
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BS-X C emulator code
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(c) Copyright 2005 - 2006 Dreamer Nom,
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zones
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C4 x86 assembler and some C emulation code
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(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
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Nach,
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zsKnight (zsknight@zsnes.com)
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C4 C++ code
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(c) Copyright 2003 - 2006 Brad Jorsch,
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Nach
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DSP-1 emulator code
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(c) Copyright 1998 - 2006 _Demo_,
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Andreas Naive (andreasnaive@gmail.com),
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Gary Henderson,
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Ivar (ivar@snes9x.com),
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John Weidman,
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Kris Bleakley,
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Matthew Kendora,
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Nach,
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neviksti (neviksti@hotmail.com)
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DSP-2 emulator code
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(c) Copyright 2003 John Weidman,
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Kris Bleakley,
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Lord Nightmare (lord_nightmare@users.sourceforge.net),
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Matthew Kendora,
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neviksti
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DSP-3 emulator code
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(c) Copyright 2003 - 2006 John Weidman,
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Kris Bleakley,
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Lancer,
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z80 gaiden
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DSP-4 emulator code
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(c) Copyright 2004 - 2006 Dreamer Nom,
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John Weidman,
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Kris Bleakley,
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Nach,
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z80 gaiden
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OBC1 emulator code
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(c) Copyright 2001 - 2004 zsKnight,
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pagefault (pagefault@zsnes.com),
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Kris Bleakley
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Ported from x86 assembler to C by sanmaiwashi
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SPC7110 and RTC C++ emulator code used in 1.39-1.51
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(c) Copyright 2002 Matthew Kendora with research by
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zsKnight,
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John Weidman,
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Dark Force
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SPC7110 and RTC C++ emulator code used in 1.52+
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(c) Copyright 2009 byuu,
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neviksti
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S-DD1 C emulator code
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(c) Copyright 2003 Brad Jorsch with research by
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Andreas Naive,
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John Weidman
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S-RTC C emulator code
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(c) Copyright 2001 - 2006 byuu,
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John Weidman
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ST010 C++ emulator code
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(c) Copyright 2003 Feather,
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John Weidman,
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Kris Bleakley,
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Matthew Kendora
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Super FX x86 assembler emulator code
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(c) Copyright 1998 - 2003 _Demo_,
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pagefault,
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zsKnight
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Super FX C emulator code
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(c) Copyright 1997 - 1999 Ivar,
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Gary Henderson,
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John Weidman
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Sound emulator code used in 1.5-1.51
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(c) Copyright 1998 - 2003 Brad Martin
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(c) Copyright 1998 - 2006 Charles Bilyue'
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Sound emulator code used in 1.52+
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(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
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SH assembler code partly based on x86 assembler code
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(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
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2xSaI filter
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(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
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HQ2x, HQ3x, HQ4x filters
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(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
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NTSC filter
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(c) Copyright 2006 - 2007 Shay Green
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GTK+ GUI code
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(c) Copyright 2004 - 2011 BearOso
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Win32 GUI code
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(c) Copyright 2003 - 2006 blip,
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funkyass,
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Matthew Kendora,
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Nach,
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nitsuja
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(c) Copyright 2009 - 2011 OV2
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Mac OS GUI code
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(c) Copyright 1998 - 2001 John Stiles
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(c) Copyright 2001 - 2011 zones
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Specific ports contains the works of other authors. See headers in
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individual files.
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Snes9x homepage: http://www.snes9x.com/
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Permission to use, copy, modify and/or distribute Snes9x in both binary
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and source form, for non-commercial purposes, is hereby granted without
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fee, providing that this license information and copyright notice appear
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with all copies and any derived work.
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This software is provided 'as-is', without any express or implied
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warranty. In no event shall the authors be held liable for any damages
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arising from the use of this software or it's derivatives.
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Snes9x is freeware for PERSONAL USE only. Commercial users should
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seek permission of the copyright holders first. Commercial use includes,
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but is not limited to, charging money for Snes9x or software derived from
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Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
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using Snes9x as a promotion for your commercial product.
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The copyright holders request that bug fixes and improvements to the code
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should be forwarded to them so everyone can benefit from the modifications
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in future versions.
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Super NES and Super Nintendo Entertainment System are trademarks of
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Nintendo Co., Limited and its subsidiary companies.
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***********************************************************************************/
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#ifdef HAVE_LIBPNG
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#include <png.h>
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#endif
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#include "port.h"
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#include "crosshairs.h"
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static const char *crosshairs[32] =
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{
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"` " // Crosshair 0 (no image)
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" "
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" "
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" "
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" "
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" "
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" "
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" "
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" "
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" "
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" "
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" "
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" "
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" "
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" ",
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"` " // Crosshair 1 (the classic small dot)
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" "
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" "
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" "
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" "
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" "
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" "
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" #. "
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" "
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" "
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" "
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" "
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" "
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" "
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" ",
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"` " // Crosshair 2 (a standard cross)
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" "
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" "
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" "
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" .#. "
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" .#. "
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" ...#... "
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" ####### "
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" ...#... "
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" .#. "
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" .#. "
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" "
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" "
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" "
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" ",
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"` .#. " // Crosshair 3 (a standard cross)
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" .#. "
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" .#. "
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" .#. "
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" .#. "
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" .#. "
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".......#......."
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"###############"
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".......#......."
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" .#. "
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" .#. "
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" .#. "
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" .#. "
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" .#. "
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" .#. ",
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"` " // Crosshair 4 (an X)
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" "
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" "
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" . . "
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" .#. .#. "
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" .#. .#. "
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" .#.#. "
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" .#. "
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" .#.#. "
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" .#. .#. "
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" .#. .#. "
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" . . "
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" "
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" "
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" ",
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"`. . " // Crosshair 5 (an X)
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".#. .#."
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" .#. .#. "
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" .#. .#. "
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" .#. .#. "
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" .#. .#. "
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" .#.#. "
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" .#. "
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" .#.#. "
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" .#. .#. "
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" .#. .#. "
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" .#. .#. "
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" .#. .#. "
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".#. .#."
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" . . ",
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"` " // Crosshair 6 (a combo)
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" "
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" "
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" "
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" # . # "
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" # . # "
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" #.# "
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" ...#... "
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" #.# "
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" # . # "
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" # . # "
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" "
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" "
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" "
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" ",
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"` . " // Crosshair 7 (a combo)
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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" #.# "
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".......#......."
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" #.# "
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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" . ",
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"` # " // Crosshair 8 (a diamond cross)
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" #.# "
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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"#......#......#"
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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" #.# "
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" # ",
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"` ### " // Crosshair 9 (a circle cross)
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" ## . ## "
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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"# . #"
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"#......#......#"
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"# . #"
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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" ## . ## "
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" ### ",
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"` .#. " // Crosshair 10 (a square cross)
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" .#. "
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" .#. "
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" ....#.... "
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" .#######. "
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" .# #. "
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"....# #...."
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"##### #####"
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"....# #...."
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" .# #. "
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" .#######. "
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" ....#.... "
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" .#. "
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" .#. "
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" .#. ",
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"` .#. " // Crosshair 11 (an interrupted cross)
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" .#. "
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" .#. "
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" .#. "
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" .#. "
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" "
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"..... ....."
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"##### #####"
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"..... ....."
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" "
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" .#. "
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" .#. "
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" .#. "
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" .#. "
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" .#. ",
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"`. . " // Crosshair 12 (an interrupted X)
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".#. .#."
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" .#. .#. "
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" .#. .#. "
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" .#. .#. "
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" "
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" "
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" "
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" "
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" "
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" .#. .#. "
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" .#. .#. "
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" .#. .#. "
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".#. .#."
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" . . ",
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"` . " // Crosshair 13 (an interrupted combo)
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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" "
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" "
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"..... ....."
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" "
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" "
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" # . # "
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" # . # "
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" # . # "
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" # . # "
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" . ",
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"`#### #### " // Crosshair 14
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"#.... ....#"
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"#. .#"
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"#. .#"
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"#. .#"
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" # "
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" # "
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" ##### "
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" # "
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" # "
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"#. .#"
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"#. .#"
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"#. .#"
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"#.... ....#"
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" #### #### ",
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"` .# #. " // Crosshair 15
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" .# #. "
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" .# #. "
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"....# #...."
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"##### #####"
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" "
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" "
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" "
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" "
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" "
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"##### #####"
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"....# #...."
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" .# #. "
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" .# #. "
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" .# #. ",
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"` # " // Crosshair 16
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" # "
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" # "
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" ....#.... "
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" . # . "
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" . # . "
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" . # . "
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"###############"
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" . # . "
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" . # . "
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" . # . "
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" ....#.... "
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" # "
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" # "
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" # ",
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
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};
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bool S9xLoadCrosshairFile (int idx, const char *filename)
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{
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if (idx < 1 || idx > 31)
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return (false);
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char *s = (char *) calloc(15 * 15 + 1, sizeof(char));
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if (s == NULL)
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{
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fprintf(stderr, "S9xLoadCrosshairFile: malloc error while reading ");
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perror(filename);
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return (false);
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}
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FILE *fp = fopen(filename, "rb");
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if (fp == NULL)
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{
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fprintf(stderr, "S9xLoadCrosshairFile: Couldn't open ");
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perror(filename);
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free(s);
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return (false);
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}
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size_t l = fread(s, 1, 8, fp);
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if (l != 8)
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{
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fprintf(stderr, "S9xLoadCrosshairFile: File is too short!\n");
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free(s);
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fclose(fp);
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return (false);
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}
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#ifdef HAVE_LIBPNG
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png_structp png_ptr;
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png_infop info_ptr;
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if (!png_sig_cmp((png_byte *) s, 0, 8))
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{
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png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
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if (!png_ptr)
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{
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free(s);
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fclose(fp);
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return (false);
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}
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info_ptr = png_create_info_struct(png_ptr);
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if (!info_ptr)
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{
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png_destroy_read_struct(&png_ptr, (png_infopp) NULL, (png_infopp) NULL);
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free(s);
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fclose(fp);
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return (false);
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}
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png_init_io(png_ptr, fp);
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png_set_sig_bytes(png_ptr, 8);
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png_read_info(png_ptr, info_ptr);
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png_uint_32 width, height;
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int bit_depth, color_type;
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png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, NULL, NULL, NULL);
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if (color_type != PNG_COLOR_TYPE_PALETTE)
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{
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fprintf(stderr, "S9xLoadCrosshairFile: Input PNG is not a palettized image!\n");
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png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp) NULL);
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free(s);
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fclose(fp);
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return (false);
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}
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if (bit_depth == 16)
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png_set_strip_16(png_ptr);
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if (width != 15 || height != 15)
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{
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fprintf(stderr, "S9xLoadCrosshairFile: Expecting a 15x15 PNG\n");
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png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp) NULL);
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free(s);
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fclose(fp);
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return (false);
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}
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png_color *pngpal;
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png_byte *trans;
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int num_palette = 0, num_trans = 0;
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int transcol = -1, fgcol = -1, bgcol = -1;
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png_get_PLTE(png_ptr, info_ptr, &pngpal, &num_palette);
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png_get_tRNS(png_ptr, info_ptr, &trans, &num_trans, NULL);
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if (num_palette != 3 || num_trans != 1)
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{
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fprintf(stderr, "S9xLoadCrosshairFile: Expecting a 3-color PNG with 1 trasnparent color\n");
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png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp) NULL);
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free(s);
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fclose(fp);
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return (false);
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}
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for (int i = 0; i < 3; i++)
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{
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if (trans[0] == i)
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transcol = i;
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else
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if (pngpal[i].red == 0 && pngpal[i].green == 0 && pngpal[i].blue == 0)
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bgcol = i;
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else
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if (pngpal[i].red == 255 && pngpal[i].green == 255 && pngpal[i].blue == 255)
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fgcol = i;
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}
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if (transcol < 0 || fgcol < 0 || bgcol < 0)
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{
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fprintf(stderr, "S9xLoadCrosshairFile: PNG must have 3 colors: white (fg), black (bg), and transparent.\n");
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png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp) NULL);
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free(s);
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fclose(fp);
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return (false);
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}
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png_set_packing(png_ptr);
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png_read_update_info(png_ptr, info_ptr);
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png_byte *row_pointer = new png_byte[png_get_rowbytes(png_ptr, info_ptr)];
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for (int r = 0; r < 15 * 15; r += 15)
|
|
{
|
|
png_read_row(png_ptr, row_pointer, NULL);
|
|
|
|
for (int i = 0; i < 15; i++)
|
|
{
|
|
if (row_pointer[i] == transcol)
|
|
s[r + i] = ' ';
|
|
else
|
|
if (row_pointer[i] == fgcol)
|
|
s[r + i] = '#';
|
|
else
|
|
if (row_pointer[i] == bgcol)
|
|
s[r + i] = '.';
|
|
else
|
|
{
|
|
fprintf(stderr, "S9xLoadCrosshairFile: WTF? This was supposed to be a 3-color PNG!\n");
|
|
png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp) NULL);
|
|
free(s);
|
|
fclose(fp);
|
|
return (false);
|
|
}
|
|
}
|
|
}
|
|
|
|
s[15 * 15] = 0;
|
|
png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp) NULL);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
l = fread(s + 8, 1, 15 - 8, fp);
|
|
if (l != 15 - 8)
|
|
{
|
|
fprintf(stderr, "S9xLoadCrosshairFile: File is too short!\n");
|
|
free(s);
|
|
fclose(fp);
|
|
return (false);
|
|
}
|
|
|
|
if (getc(fp) != '\n')
|
|
{
|
|
fprintf(stderr, "S9xLoadCrosshairFile: Invalid file format! (note: PNG support is not available)\n");
|
|
free(s);
|
|
fclose(fp);
|
|
return (false);
|
|
}
|
|
|
|
for (int r = 1; r < 15; r++)
|
|
{
|
|
l = fread(s + r * 15, 1, 15, fp);
|
|
if (l != 15)
|
|
{
|
|
fprintf(stderr, "S9xLoadCrosshairFile: File is too short! (note: PNG support is not available)\n");
|
|
free(s);
|
|
fclose(fp);
|
|
return (false);
|
|
}
|
|
|
|
if (getc(fp) != '\n')
|
|
{
|
|
fprintf(stderr, "S9xLoadCrosshairFile: Invalid file format! (note: PNG support is not available)\n");
|
|
free(s);
|
|
fclose(fp);
|
|
return (false);
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < 15 * 15; i++)
|
|
{
|
|
if (s[i] != ' ' && s[i] != '#' && s[i] != '.')
|
|
{
|
|
fprintf(stderr, "S9xLoadCrosshairFile: Invalid file format! (note: PNG support is not available)\n");
|
|
free(s);
|
|
fclose(fp);
|
|
return (false);
|
|
}
|
|
}
|
|
}
|
|
|
|
fclose(fp);
|
|
|
|
if (crosshairs[idx] != NULL && crosshairs[idx][0] != '`')
|
|
free((void *) crosshairs[idx]);
|
|
crosshairs[idx] = s;
|
|
|
|
return (true);
|
|
}
|
|
|
|
const char * S9xGetCrosshair (int idx)
|
|
{
|
|
if (idx < 0 || idx > 31)
|
|
return (NULL);
|
|
|
|
return (crosshairs[idx]);
|
|
}
|