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snes9xgx/source/snes9x/crosshairs.cpp

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