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/* SCCS Id: @(#)tile2bmp.c 3.4 2002/03/14 */
/* Copyright (c) NetHack PC Development Team 1995 */
/* NetHack may be freely redistributed. See license for details. */
/*
* Edit History:
*
* Initial Creation M.Allison 1994/01/11
*
*/
/* #pragma warning(4103:disable) */
#include "hack.h"
#include "tile.h"
#ifndef __GNUC__
#include "win32api.h"
#endif
/* #define COLORS_IN_USE MAXCOLORMAPSIZE /* 256 colors */
#if (TILE_X==32)
#define COLORS_IN_USE 256
#else
#define COLORS_IN_USE 16 /* 16 colors */
#endif
#define BITCOUNT 8
extern char *FDECL(tilename, (int, int));
#if BITCOUNT==4
#define MAX_X 640 /* 2 per byte, 4 bits per pixel */
#define MAX_Y 960
#else
#define MAX_X (40 * 128)
#define MAX_Y (40 * 128) /* Arbitrarily large */
#endif
#define MAX_X_TILES 40
#define MAX_Y_TILES 120
/* GCC fix by Paolo Bonzini 1999/03/28 */
#ifdef __GNUC__
#define PACK __attribute__((packed))
#else
#define PACK
#endif
static short leshort(short x)
{
#ifdef __BIG_ENDIAN__
return ((x&0xff)<<8)|((x>>8)&0xff);
#else
return x;
#endif
}
static long lelong(long x)
{
#ifdef __BIG_ENDIAN__
return ((x&0xff)<<24)|((x&0xff00)<<8)|((x>>8)&0xff00)|((x>>24)&0xff);
#else
return x;
#endif
}
#ifdef __GNUC__
typedef struct tagBMIH {
unsigned long biSize;
long biWidth;
long biHeight;
unsigned short biPlanes;
unsigned short biBitCount;
unsigned long biCompression;
unsigned long biSizeImage;
long biXPelsPerMeter;
long biYPelsPerMeter;
unsigned long biClrUsed;
unsigned long biClrImportant;
} PACK BITMAPINFOHEADER;
typedef struct tagBMFH {
unsigned short bfType;
unsigned long bfSize;
unsigned short bfReserved1;
unsigned short bfReserved2;
unsigned long bfOffBits;
} PACK BITMAPFILEHEADER;
typedef struct tagRGBQ {
unsigned char rgbBlue;
unsigned char rgbGreen;
unsigned char rgbRed;
unsigned char rgbReserved;
} PACK RGBQUAD;
#define UINT unsigned int
#define DWORD unsigned long
#define LONG long
#define WORD unsigned short
#define BI_RGB 0L
#define BI_RLE8 1L
#define BI_RLE4 2L
#define BI_BITFIELDS 3L
#endif /* __GNUC__ */
#pragma pack(1)
struct tagBMP{
BITMAPFILEHEADER bmfh;
BITMAPINFOHEADER bmih;
} PACK bmp_head;
#define MAX_RGBQUAD_COUNT 256
/* WAC split the header from the colormap and pixel data
* to accomodate variable sized BMP files
*/
RGBQUAD bmaColors[MAX_RGBQUAD_COUNT];
uchar packtile[MAX_Y][MAX_X];
#pragma pack()
#define BMPFILESIZE ((sizeof(struct tagBMP)) + \
(sizeof(RGBQUAD) * rgbquad_count) + \
(sizeof(uchar) * maxbmp_x * (yoffset + tile_y)))
FILE *tibfile2;
/*pixel tilepixels[TILE_Y][TILE_X];*/
pixel tilepixels[MAX_TILE_Y][MAX_TILE_X];
static void FDECL(build_bmfh,(BITMAPFILEHEADER *));
static void FDECL(build_bmih,(BITMAPINFOHEADER *));
static void FDECL(build_bmptile,(pixel (*)[MAX_TILE_X]));
int tilecount;
int max_tiles_in_row = 40;
int tiles_in_row;
int filenum;
int initflag;
int yoffset,xoffset;
char bmpname[128];
int maxbmp_x = -1, maxbmp_y = -1;
int rgbquad_count = -1;
FILE *fp;
int
main(argc, argv)
int argc;
char *argv[];
{
int i, j;
if (argc < 3) {
Fprintf(stderr, "usage: %s outfile.bmp txt_file1 [txt_file2 ...]\n", argv[0]);
exit(EXIT_FAILURE);
} else
strcpy(bmpname, argv[1]);
#ifdef OBSOLETE
bmpfile2 = fopen(NETHACK_PACKED_TILEFILE, WRBMODE);
if (bmpfile2 == (FILE *)0) {
Fprintf(stderr, "Unable to open output file %s\n",
NETHACK_PACKED_TILEFILE);
exit(EXIT_FAILURE);
}
#endif
tilecount = 0;
xoffset = yoffset = 0;
initflag = 0;
filenum = 2;
fp = fopen(bmpname,"wb");
if (!fp) {
printf("Error creating tile file %s, aborting.\n",bmpname);
exit(1);
}
while ((filenum) < argc) {
if (!fopen_text_file(argv[(filenum)],RDTMODE)) {
Fprintf(stderr,
"usage: tile2bmp (from the util directory)\n");
exit(EXIT_FAILURE);
}
if (colorsinmap > 256) {
Fprintf(stderr, "too many colors (%d)\n", colorsinmap);
exit(EXIT_FAILURE);
}
if (!initflag) {
maxbmp_x = tile_x * 40; /* CONSTANT */
maxbmp_y = MAX_Y;
if (maxbmp_x > MAX_X || maxbmp_y > MAX_Y) {
Fprintf(stderr, "Calculated dimensions (%ix%i) larger than max (%ix%i). Increase MAX_X, MAX_Y\n",
maxbmp_x, maxbmp_y, MAX_X, MAX_Y);
exit(EXIT_FAILURE);
}
for (i = 0; i < maxbmp_y; ++i)
for (j = 0; j < maxbmp_x; ++j)
packtile[i][j] = (uchar)0;
initflag = 1;
}
/* printf("Colormap initialized\n"); */
while (read_text_tile(tilepixels)) {
build_bmptile(tilepixels);
tilecount++;
#if BITCOUNT==4
xoffset += (tile_x / 2);
#else
xoffset += tile_x;
#endif
if (xoffset >= maxbmp_x) {
yoffset += tile_y;
xoffset = 0;
if ((yoffset+tile_y) > maxbmp_y) {
Fprintf(stderr,
"Too many tiles (increase MAX_X_TILES or MAX_Y_TILES)\n");
exit(EXIT_FAILURE);
}
}
}
(void) fclose_text_file();
++filenum;
}
if (tilecount<1) {
Fprintf(stderr,"No tiles created! (check line end character sequence for your OS).\n");
fclose(fp);
unlink(bmpname);
exit(EXIT_FAILURE);
}
/* fill the rest with the checkerboard */
for (j=0; j < tile_y; j++)
{
for (i = xoffset; i < maxbmp_x; i+=2) {
int y = (maxbmp_y - 1) - (j + yoffset);
#if BITCOUNT==4
packtile[y][i] = (uchar)((1+y)&1) | (uchar)(((0+y)&1)<<4);
#else
packtile[y][i] = (uchar)((0+y)&1);
packtile[y][i+1] = (uchar)((1+y)&1);
#endif
}
}
if (colorsinmap <= 16)
rgbquad_count = 16;
else if (colorsinmap <= 256)
rgbquad_count = 256;
for (i = 0; i < colorsinmap; i++) {
bmaColors[i].rgbRed = MainColorMap[CM_RED][i];
bmaColors[i].rgbGreen = MainColorMap[CM_GREEN][i];
bmaColors[i].rgbBlue = MainColorMap[CM_BLUE][i];
bmaColors[i].rgbReserved = 0;
}
build_bmfh(&bmp_head.bmfh);
build_bmih(&bmp_head.bmih);
fwrite(&bmp_head, sizeof(bmp_head), 1, fp);
for (i = 0; i < rgbquad_count; i++)
fwrite(&bmaColors[i], sizeof(RGBQUAD), 1, fp);
/* packtile[][] is filled bottom up, but is written top-down
* starting at the topmost line used
*/
for (i = (maxbmp_y - (tile_y + yoffset)); i < maxbmp_y; i++)
for (j = 0; j < maxbmp_x; j++)
fwrite(&packtile[i][j], sizeof(uchar), 1, fp);
fclose(fp);
Fprintf(stderr, "Total of %d tiles written to %s.\n",
tilecount, bmpname);
exit(EXIT_SUCCESS);
/*NOTREACHED*/
return 0;
}
static void
build_bmfh(pbmfh)
BITMAPFILEHEADER *pbmfh;
{
pbmfh->bfType = leshort(0x4D42);
pbmfh->bfSize = lelong(BMPFILESIZE);
pbmfh->bfReserved1 = (UINT)0;
pbmfh->bfReserved2 = (UINT)0;
pbmfh->bfOffBits = lelong(sizeof(bmp_head.bmfh) + sizeof(bmp_head.bmih) +
(rgbquad_count * sizeof(RGBQUAD)));
}
static void
build_bmih(pbmih)
BITMAPINFOHEADER *pbmih;
{
WORD cClrBits;
int w,h;
pbmih->biSize = lelong(sizeof(bmp_head.bmih));
#if BITCOUNT==4
pbmih->biWidth = lelong(w = maxbmp_x * 2);
#else
pbmih->biWidth = lelong(w = maxbmp_x);
#endif
pbmih->biHeight = lelong(h = yoffset + tile_y);
pbmih->biPlanes = leshort(1);
#if BITCOUNT==4
pbmih->biBitCount = leshort(4);
cClrBits = 4;
#else
pbmih->biBitCount = leshort(8);
cClrBits = 8;
#endif
if (cClrBits == 1)
cClrBits = 1;
else if (cClrBits <= 4)
cClrBits = 4;
else if (cClrBits <= 8)
cClrBits = 8;
else if (cClrBits <= 16)
cClrBits = 16;
else if (cClrBits <= 24)
cClrBits = 24;
else cClrBits = 32;
pbmih->biCompression = lelong(BI_RGB);
pbmih->biXPelsPerMeter = lelong(0);
pbmih->biYPelsPerMeter = lelong(0);
if (tile_x == 32)
{
if (cClrBits < 24)
pbmih->biClrUsed = lelong(1<<cClrBits);
} else {
pbmih->biClrUsed = lelong(rgbquad_count);
}
if (tile_x == 16) {
pbmih->biSizeImage = lelong(0);
} else {
pbmih->biSizeImage = lelong(((w * cClrBits +31) & ~31) /8 * h);
}
pbmih->biClrImportant = (DWORD)0;
}
static void
build_bmptile(pixels)
pixel (*pixels)[MAX_TILE_X];
{
int cur_x, cur_y, cur_color;
int x,y;
for (cur_y = 0; cur_y < tile_y; cur_y++) {
for (cur_x = 0; cur_x < tile_x; cur_x++) {
for (cur_color = 0; cur_color < colorsinmap; cur_color++) {
if (MainColorMap[CM_RED][cur_color] == pixels[cur_y][cur_x].r &&
MainColorMap[CM_GREEN][cur_color]== pixels[cur_y][cur_x].g &&
MainColorMap[CM_BLUE][cur_color] == pixels[cur_y][cur_x].b)
break;
}
if (cur_color >= colorsinmap)
Fprintf(stderr, "color not in colormap!\n");
y = (maxbmp_y - 1) - (cur_y + yoffset);
#if BITCOUNT==4
x = (cur_x / 2) + xoffset;
packtile[y][x] = cur_x%2 ?
(uchar)(packtile[y][x] | cur_color) :
(uchar)(cur_color<<4);
#else
x = cur_x + xoffset;
packtile[y][x] = (uchar)cur_color;
#endif
}
}
}
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