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Committer: Package Import Robot
Author(s): Etienne Millon
Date: 2015-03-31 08:48:54 UTC
Revision ID: package-import@ubuntu.com-20150331084854-f5a4uoz7uv3vopk6

Tags: upstream-2.1.20130907+dfsg

Import upstream version 2.1.20130907+dfsg

files added:

COPYING

CREDITS

Doxyfile

Makefile

NEWS

README

doc/tools

doc/tools/weapon.py

doc/tyrian.hdt.txt

linux

linux/icons

linux/icons/tyrian-128.png

linux/icons/tyrian-22.png

linux/icons/tyrian-24.png

linux/icons/tyrian-32.png

linux/icons/tyrian-48.png

linux/man

linux/man/opentyrian.6

linux/opentyrian.desktop

lower-script.sh

macosx

macosx/English.lproj

macosx/English.lproj/MainMenu.nib

macosx/English.lproj/MainMenu.nib/classes.nib

macosx/English.lproj/MainMenu.nib/info.nib

macosx/English.lproj/MainMenu.nib/keyedobjects.nib

macosx/Info.plist

macosx/OpenTyrian.xcodeproj

macosx/OpenTyrian.xcodeproj/project.pbxproj

src/animlib.c

src/animlib.h

src/arg_parse.c

src/arg_parse.h

src/backgrnd.c

src/backgrnd.h

src/cJSON.c

src/cJSON.h

src/config.c

src/config.h

src/destruct.c

src/destruct.h

src/editship.c

src/editship.h

src/episodes.c

src/episodes.h

src/file.c

src/file.h

src/font.c

src/font.h

src/fonthand.c

src/fonthand.h

src/game_menu.c

src/game_menu.h

src/helptext.c

src/helptext.h

src/hg_revision.h

src/joystick.c

src/joystick.h

src/jukebox.c

src/jukebox.h

src/keyboard.c

src/keyboard.h

src/lds_play.c

src/lds_play.h

src/loudness.c

src/loudness.h

src/lvllib.c

src/lvllib.h

src/lvlmast.c

src/lvlmast.h

src/main.m

src/mainint.c

src/mainint.h

src/menus.c

src/menus.h

src/mingw_fixes.c

src/mingw_fixes.h

src/mouse.c

src/mouse.h

src/mtrand.c

src/mtrand.h

src/musmast.c

src/musmast.h

src/network.c

src/network.h

src/nortsong.c

src/nortsong.h

src/nortvars.c

src/nortvars.h

src/opentyr.c

src/opentyr.h

src/opl.c

src/opl.h

src/palette.c

src/palette.h

src/params.c

src/params.h

src/pcxload.c

src/pcxload.h

src/pcxmast.c

src/pcxmast.h

src/picload.c

src/picload.h

src/player.c

src/player.h

src/scroller.c

src/scroller.h

src/setup.c

src/setup.h

src/shots.c

src/shots.h

src/sizebuf.c

src/sizebuf.h

src/sndmast.c

src/sndmast.h

src/sprite.c

src/sprite.h

src/starlib.c

src/starlib.h

src/tyrian2.c

src/tyrian2.h

src/varz.c

src/varz.h

src/vga256d.c

src/vga256d.h

src/vga_palette.c

src/vga_palette.h

src/video.c

src/video.h

src/video_scale.c

src/video_scale.h

src/video_scale_hqNx.c

src/xmas.c

src/xmas.h

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src/editship.c

* OpenTyrian: A modern cross-platform port of Tyrian

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

#include "config.h"

#include "editship.h"

#include "file.h"

#include "opentyr.h"

#define SAS (sizeof(JE_ShipsType) - 4)

const JE_byte extraCryptKey[10] = { 58, 23, 16, 192, 254, 82, 113, 147, 62, 99 };

JE_boolean extraAvail;

JE_ShipsType extraShips;

void *extraShapes;

JE_word extraShapeSize;

void JE_decryptShips( void )

{

JE_boolean correct = true;

JE_ShipsType s2;

JE_byte y;

for (int x = SAS - 1; x >= 0; x--)

{

s2[x] = extraShips[x] ^ extraCryptKey[(x + 1) % 10];

if (x > 0)

s2[x] ^= extraShips[x - 1];

} /* <= Key Decryption Test (Reversed key) */

y = 0;

for (uint x = 0; x < SAS; x++)

y += s2[x];

if (extraShips[SAS + 0] != y)

correct = false;

y = 0;

for (uint x = 0; x < SAS; x++)

y -= s2[x];

if (extraShips[SAS + 1] != y)

correct = false;

y = 1;

for (uint x = 0; x < SAS; x++)

y = y * s2[x] + 1;

if (extraShips[SAS + 2] != y)

correct = false;

y = 0;

for (uint x = 0; x < SAS; x++)

y ^= s2[x];

if (extraShips[SAS + 3] != y)

correct = false;

if (!correct)

exit(255);

memcpy(extraShips, s2, sizeof(extraShips));

}

void JE_loadExtraShapes( void )

{

FILE *f = dir_fopen(get_user_directory(), "newsh$.shp", "rb");

if (f)

{

extraAvail = true;

extraShapeSize = ftell_eof(f) - sizeof(extraShips);

extraShapes = malloc(extraShapeSize);

efread(extraShapes, extraShapeSize, 1, f);

efread(extraShips, sizeof(extraShips), 1, f);

JE_decryptShips();

fclose(f);

}

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