mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-12-30 13:11:50 +01:00
512 lines
11 KiB
C++
512 lines
11 KiB
C++
/*****************************************************************************\
|
|
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
|
|
This file is licensed under the Snes9x License.
|
|
For further information, consult the LICENSE file in the root directory.
|
|
\*****************************************************************************/
|
|
|
|
#ifdef HAVE_LIBPNG
|
|
#include <png.h>
|
|
#endif
|
|
#include "port.h"
|
|
#include "crosshairs.h"
|
|
|
|
static const 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)
|
|
{
|
|
if (idx < 1 || idx > 31)
|
|
return (false);
|
|
|
|
char *s = (char *) calloc(15 * 15 + 1, sizeof(char));
|
|
if (s == NULL)
|
|
{
|
|
fprintf(stderr, "S9xLoadCrosshairFile: malloc error while reading ");
|
|
perror(filename);
|
|
return (false);
|
|
}
|
|
|
|
FILE *fp = fopen(filename, "rb");
|
|
if (fp == NULL)
|
|
{
|
|
fprintf(stderr, "S9xLoadCrosshairFile: Couldn't open ");
|
|
perror(filename);
|
|
free(s);
|
|
return (false);
|
|
}
|
|
|
|
size_t l = fread(s, 1, 8, fp);
|
|
if (l != 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);
|
|
}
|
|
|
|
png_color *pngpal;
|
|
png_byte *trans;
|
|
int num_palette = 0, num_trans = 0;
|
|
int transcol = -1, fgcol = -1, bgcol = -1;
|
|
|
|
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 (int 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 (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]);
|
|
}
|