Add BALDGUY cheat for Mac data (see if anyone finds it ;-) )

2d/pcx.c

@@ -30,6 +30,7 @@ static char rcsid[] = "$Id: pcx.c,v 1.1.1.1 2006/03/17 19:38:53 zicodxx Exp $";
 #include "pcx.h"
 #include "cfile.h"
 #include "physfsx.h"
+#include "byteswap.h"
 
 #define PCXHEADER_SIZE 128
 
@@ -82,6 +83,107 @@ int PCXHeader_read_n(PCXHeader *ph, int n, CFILE *fp)
 	return i;
 }
 
+int bald_guy_load( char * filename, grs_bitmap * bmp,int bitmap_type ,ubyte * palette )
+{
+	PCXHeader header;
+	CFILE * PCXfile;
+	int i, row, col, count, xsize, ysize, fsize;
+	ubyte data, c, xor_value, *pixdata;
+	ubyte *bguy_data, *bguy_data1, *p;
+	
+	PCXfile = cfopen( filename , "rb" );
+	if ( !PCXfile )
+		return PCX_ERROR_OPENING;
+	
+	cfseek(PCXfile, -1, SEEK_END);
+	fsize = cftell(PCXfile);
+	cfread(&xor_value, 1, 1, PCXfile);
+	xor_value--;
+	cfseek(PCXfile, 0, SEEK_SET);
+	
+	bguy_data = (ubyte *)d_malloc(fsize);
+	bguy_data1 = (ubyte *)d_malloc(fsize);
+	
+	cfread(bguy_data1, 1, fsize, PCXfile);
+	
+	for (i = 0; i < fsize; i++) {
+		c = bguy_data1[fsize - i - 1] ^ xor_value;
+		bguy_data[i] = c;
+		xor_value--;
+	}
+	cfclose(PCXfile);
+	d_free(bguy_data1);
+	
+	p = bguy_data;
+	memcpy( &header, p, sizeof(PCXHeader) );
+	p += sizeof(PCXHeader);
+	
+	// Is it a 256 color PCX file?
+	if ((header.Manufacturer != 10)||(header.Encoding != 1)||(header.Nplanes != 1)||(header.BitsPerPixel != 8)||(header.Version != 5))	{
+		d_free(bguy_data);
+		return PCX_ERROR_WRONG_VERSION;
+	}
+	header.Xmin= INTEL_SHORT(header.Xmin);
+	header.Xmax = INTEL_SHORT(header.Xmax);
+	header.Ymin = INTEL_SHORT(header.Ymin);
+	header.Ymax = INTEL_SHORT(header.Ymax);
+	
+	// Find the size of the image
+	xsize = header.Xmax - header.Xmin + 1;
+	ysize = header.Ymax - header.Ymin + 1;
+	
+	if ( bmp->bm_data == NULL )	{
+		memset( bmp, 0, sizeof( grs_bitmap ) );
+		bmp->bm_data = d_malloc( xsize * ysize );
+		if ( bmp->bm_data == NULL )	{
+			d_free(bguy_data);
+			return PCX_ERROR_MEMORY;
+		}
+		bmp->bm_w = bmp->bm_rowsize = xsize;
+		bmp->bm_h = ysize;
+		bmp->bm_type = bitmap_type;
+	}
+	
+	for (row=0; row< ysize ; row++)      {
+		for (row=0; row< ysize ; row++)      {
+			pixdata = &bmp->bm_data[bmp->bm_rowsize*row];
+			for (col=0; col< xsize ; )      {
+				data = *p;
+				p++;
+				if ((data & 0xC0) == 0xC0)     {
+					count =  data & 0x3F;
+					data = *p;
+					p++;
+					memset( pixdata, data, count );
+					pixdata += count;
+					col += count;
+				} else {
+					*pixdata++ = data;
+					col++;
+				}
+			}
+		}
+	}
+	
+	
+	// Read the extended palette at the end of PCX file
+	// Read in a character which should be 12 to be extended palette file
+	
+	p++;
+	if (palette != NULL) {
+		for (i = 0; i < 768; i++) {
+			palette[i] = *p;
+			palette[i] >>= 2;
+			p++;
+		}
+	}
+	
+	
+	d_free(bguy_data);
+	
+	return PCX_ERROR_NONE;
+}
+
 int pcx_read_bitmap( char * filename, grs_bitmap * bmp,int bitmap_type ,ubyte * palette )
 {
 	PCXHeader header;

CHANGELOG.txt

@@ -1,5 +1,9 @@
 D1X-Rebirth Changelog
 
+20080715
+--------
+2d/pcx.c, include/pcx.h, main/game.c, main/titles.c, main/titles.h: Add BALDGUY cheat for Mac data (see if anyone finds it ;-) )
+
 20080701
 --------
 arch/carbon/conf.h, D1X.make, d1x-Info.plist, d1xgl-Info.plist, d1x-rebirth.xcodeproj, English.lproj/InfoPlist.strings: Increment version number for Mac, update MPW makefile, ensure Get Info strings copy to bundle, use correct Mac OS X SDKs

include/pcx.h

@@ -57,6 +57,10 @@ COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
 #define PCX_ERROR_WRITING			6
 #define PCX_ERROR_MEMORY			7
 
+// Load bitmap for little-known 'baldguy' cheat.
+
+extern int bald_guy_load( char * filename, grs_bitmap * bmp,int bitmap_type ,ubyte * palette );
+
 // Reads filename into bitmap bmp, and fills in palette.  If bmp->bm_data==NULL, 
 // then bmp->bm_data is allocated and the w,h are filled.  
 // If palette==NULL the palette isn't read in.  Returns error code.

main/game.c

@@ -2123,6 +2123,7 @@ void FinalCheatsKey(int key)
 	
 		john_cheat_func_3(key);
 		john_cheat_func_4(key);
+		bald_guy_cheat(key);
 	}
 }
 

main/titles.c

@@ -504,6 +504,34 @@ int show_char_delay(char the_char, int delay, int robot_num, int cursor_flag)
 	return w;
 }
 
+ubyte baldguy_cheat = 0;
+static ubyte bald_guy_cheat_index = 0;
+char new_baldguy_pcx[] = "btexture.xxx";
+
+#define	BALD_GUY_CHEAT_SIZE	7
+#define NEW_END_GUY1	1
+#define NEW_END_GUY2	3
+
+ubyte	bald_guy_cheat_1[BALD_GUY_CHEAT_SIZE] = { KEY_B ^ 0xF0 ^ 0xab, 
+	KEY_A ^ 0xE0 ^ 0xab, 
+	KEY_L ^ 0xD0 ^ 0xab, 
+	KEY_D ^ 0xC0 ^ 0xab, 
+	KEY_G ^ 0xB0 ^ 0xab, 
+	KEY_U ^ 0xA0 ^ 0xab,
+	KEY_Y ^ 0x90 ^ 0xab };
+
+void bald_guy_cheat(int key)
+{
+	if (key == (bald_guy_cheat_1[bald_guy_cheat_index] ^ (0xf0 - (bald_guy_cheat_index << 4)) ^ 0xab)) {
+		bald_guy_cheat_index++;
+		if (bald_guy_cheat_index == BALD_GUY_CHEAT_SIZE)	{
+			baldguy_cheat = 1;
+			bald_guy_cheat_index = 0;
+		}
+	} else
+		bald_guy_cheat_index = 0;
+}
+
 //	-----------------------------------------------------------------------------
 //	loads a briefing screen
 int load_briefing_screen( int screen_num )
@@ -515,6 +543,10 @@ int load_briefing_screen( int screen_num )
 
 	gr_init_bitmap_data(&briefing_bm);
 
+	if ( ((screen_num == NEW_END_GUY1) || (screen_num == NEW_END_GUY2)) && baldguy_cheat) {
+		if ( bald_guy_load(new_baldguy_pcx, &briefing_bm, BM_LINEAR, gr_palette) == 0)
+			return 0;
+	}
 	if ((pcx_error=pcx_read_bitmap( Briefing_screens_LH[screen_num].bs_name, &briefing_bm, BM_LINEAR, gr_palette ))!=PCX_ERROR_NONE) {
 		Int3();
 		return 0;
@@ -1161,3 +1193,4 @@ void do_end_game(void)
 #endif
 
 }
+

main/titles.h

@@ -25,5 +25,6 @@ extern void do_briefing_screens(int level_num);
 extern void do_end_game(void);
 extern char * get_briefing_screen( int level_num );
 extern void show_order_form(void);
+extern void bald_guy_cheat(int key);
 
 #endif