mirror of
https://github.com/dborth/snes9xgx.git
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646 lines
18 KiB
C++
646 lines
18 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 - 2007 Brad Jorsch (anomie@users.sourceforge.net),
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Nach (n-a-c-h@users.sourceforge.net),
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zones (kasumitokoduck@yahoo.com)
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(c) Copyright 2006 - 2007 nitsuja
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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
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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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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 DSP emulator code is derived from SNEeSe and OpenSPC:
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(c) Copyright 1998 - 2003 Brad Martin
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(c) Copyright 1998 - 2006 Charles Bilyue'
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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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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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Mac OS GUI code
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(c) Copyright 1998 - 2001 John Stiles
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(c) Copyright 2001 - 2007 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_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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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 char *crosshairs[32]={
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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,
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NULL, NULL, NULL
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};
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bool S9xLoadCrosshairFile(int idx, const char *filename){
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int i, r;
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char *s;
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FILE *fp;
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if(idx<1 || idx>31) return false;
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if((s=(char *)calloc(15*15+1, sizeof(char)))==NULL){
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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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if((fp=fopen(filename, "rb"))==NULL){
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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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i=fread(s, 1, 8, fp);
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if(i!=8){
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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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png_ptr=png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
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if (!png_ptr){
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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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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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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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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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int num_palette=0, num_trans=0;
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int fgcol=-1, bgcol=-1, transcol=-1;
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png_color *pngpal;
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png_byte *trans;
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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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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(i=0; i<3; i++){
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if(trans[0]==i){
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transcol=i;
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} else if(pngpal[i].red==0 && pngpal[i].green==0 && pngpal[i].blue==0){
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bgcol=i;
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} else 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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}
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if(transcol<0 || fgcol<0 || bgcol<0){
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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(r=0; r<15*15; r+=15){
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png_read_row(png_ptr, row_pointer, NULL);
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for(i=0; i<15; i++){
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if(row_pointer[i]==transcol) s[r+i]=' ';
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else if(row_pointer[i]==fgcol) s[r+i]='#';
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else if(row_pointer[i]==bgcol) s[r+i]='.';
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else {
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fprintf(stderr, "S9xLoadCrosshairFile: WTF? This was supposed to be a 3-color 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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}
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}
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s[15*15]=0;
|
|
png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
|
|
} else
|
|
#endif
|
|
{
|
|
i=fread(s+8, 1, 15-8, fp);
|
|
if(i!=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!");
|
|
#ifndef HAVE_LIBPNG
|
|
fprintf(stderr, " (note: PNG support is not available)");
|
|
#endif
|
|
fprintf(stderr, "\n");
|
|
free(s);
|
|
fclose(fp);
|
|
return false;
|
|
}
|
|
for(r=1; r<15; r++){
|
|
i=fread(s+r*15, 1, 15, fp);
|
|
if(i!=15){
|
|
fprintf(stderr, "S9xLoadCrosshairFile: File is too short!");
|
|
#ifndef HAVE_LIBPNG
|
|
fprintf(stderr, " (note: PNG support is not available)");
|
|
#endif
|
|
fprintf(stderr, "\n");
|
|
free(s);
|
|
fclose(fp);
|
|
return false;
|
|
}
|
|
if(getc(fp)!='\n'){
|
|
fprintf(stderr, "S9xLoadCrosshairFile: Invalid file format!");
|
|
#ifndef HAVE_LIBPNG
|
|
fprintf(stderr, " (note: PNG support is not available)");
|
|
#endif
|
|
fprintf(stderr, "\n");
|
|
free(s);
|
|
fclose(fp);
|
|
return false;
|
|
}
|
|
}
|
|
for(i=0; i<15*15; i++){
|
|
if(s[i]!=' ' && s[i]!='#' && s[i]!='.'){
|
|
fprintf(stderr, "S9xLoadCrosshairFile: Invalid file format!");
|
|
#ifndef HAVE_LIBPNG
|
|
fprintf(stderr, " (note: PNG support is not available)");
|
|
#endif
|
|
fprintf(stderr, "\n");
|
|
free(s);
|
|
fclose(fp);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
fclose(fp);
|
|
|
|
if(crosshairs[idx]!=NULL && crosshairs[idx][0]!='`') free(crosshairs[idx]);
|
|
crosshairs[idx]=s;
|
|
return true;
|
|
}
|
|
|
|
const char *S9xGetCrosshair(int idx){
|
|
if(idx<0 || idx>31) return NULL;
|
|
return crosshairs[idx];
|
|
}
|