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WORDWARVI(6) Games WORDWARVI(6) NAME wordwarvi - Old school '80's style side scrolling space shoot'em up game. SYNOPSIS wordwarvi [ --bw ] [ --blueprint ] [ --brightsparks ] [ --difficulty easy|medium|hard|insane|batshit-insane ] [ --explosionfactor n ] [ --fullscreen ] [ --joystick device ] [ --nomusic ] [ --nomissilealarm ] [ --norumble ] [ --nostarfield ] [ --nstars n ] [ --randomize ] [ --randomseed n ] [ --squareexplosions ] [ --rumbledevice device ] [ --sounddevice n ] [ --thicklines ] [ --width w ] [ --height h ] [ --framerate f ] [ --retrogreen ] [ --version ] [ --xmas ] DESCRIPTION wordwarvi, or "Word War vi", is an old school '80's style side scrolling space shoot'em up video game. You pilot your "vi-per" craft through core memory, trying to avoid OS defenses and wipe out the memory hogging emacs processes and rescue lost vi-per pilots (.swp files) stranded from crashed vi sessions be- fore heading through the socket to the next node in the cluster to do it all over again. Options: --bw Render the game in black and white, as if on graph paper. --blueprint Render the game to look like a blueprint. --brightsparks Enables a visual effect for sparks to be rendered bigger and brighter than usual, at the cost of some performance. It is a matter of personal preference whether it looks better or worse. --difficulty easy|medium|hard|insane|batshit-insane Sets the difficulty level to one of easy, medium, hard, insane, or batshit-insane. --explosionfactor n Produce explosions with the number of sparks multiplied by n. Default is 1, integers up to 5 are permitted. Performance may suffer with large values of n. This option only has an effect when the squareexplosions option is not in effect. --framerate f Sets the target frame rate to f frames per second. The default is 30 frames per second. If your computer is too slow to achieve the specified (or default) frame rate at the specified (or default) resolution, decreasing the frame rate may make the game respond better. Likewise, at lower resolutions, higher framerates may be possible, or lower resolutions may make the game perform better at a given frame rate. It should be noted that The game is designed (and tested) to be played at 30 frames per second. --fullscreen Expand the window to fill the screen. This option overrides the --width and --height options, if either of those are also speci- fied, and scales the graphics to the size of the screen. You can also use the F11 key to toggle between fullscreen and win- dowed mode after the program is started. If the --fullscreen option is used, then the F11 key has no effect. --height h Sets the window size to h pixels high, scaling all graphics as necessary. The default is 600 pixels. --joystick joystick-device Use the specified device node joystick-device to access the joy- stick. The default device if this option is not used is /dev/input/js0. If you have more than one joystick, or if your OS presents joysticks at device nodes other than /dev/input/js0, that's what this option is for. --nomusic Don't play music, or even decode the music files into memory. Cuts down considerably on memory usage. --nomissilealarm Don't sound an alarm when a missile locks on to your ship. Some people find the sound of the alarm incredibly annoying. (Alarms are supposed to be annoying.) The audio alarm can also be tog- gled on and off with the '1' key. --norumble Don't use joystick rumble effects. --nostarfield Don't draw a starfield in the background. --nstars n Controls how many stars are rendered. Valid values for n must be greater than or equal to zero, and less than or equal to 600. --randomize Uses the microseconds value of the clock as the random seed for generating terrain, enemy placement etc. If you get tired of the regular levels, and knowing where everything is, this will get you levels that you haven't seen before. --randomseed n Uses the specified value, n, as the random seed for generating terrain, enemy placement etc. This allows access to new levels which you may play again by specifying the same random seed value. The default random seed value the game uses if none is specified is 31415927. --squareexplosions Makes explosions square rather than round. By default spark ve- locities are chosen by simply assigning independent uniformly distributed random angle and velocity (polar coordinates). This results in an explosion which is round in shape. If there aren't too many sparks, you don't really notice. With larger numbers of sparks, this round shape can become apparent. The squareexplosions options causes a uniformly distributed random x and y and velocity to be chosen for each spark. This saves the computation of converting polar coordinates to cartesian. The default used to be square explosions, with round explosions available only through the old --roundexplosions option. Now round explosions are the default, and the --roundexplosions op- tion was inverted and renamed --squareexplosions. --rumbledevice d Use the specified device for rumble effects (XBox 360 wired con- troller only, and linux 2.6.26 or better required.) The default is /dev/input/event5. Your controller may show up elsewhere, like /dev/input/event6, for example. Also, you will have to (as root) chown this device node to the user you're running the game as, and do this again after each boot, and each time you hotplug the controller. There is probably a way to get udev to do this for you automatically every time, but I don't know what it is offhand, and it may differ from distro to distro. --retrogreen Does exactly what it sounds like. --sounddevice n Use alternate sound device n, where n is an integer. By de- fault, wordwarvi uses the "default" sound device as estimated by the PortAudio library, which is 0. You can specify other num- bers if you have other sound cards, or a multichannel sound card. --starmotion x Controls how the starfield moves. Possible values of x are 'as- tronomically-correct', 'wrong', 'wronger', and 'wrongest'. --thicklines Render everything with extra thick lines. --version Print the program's version number and exit. --width w Sets the window size to w pixels wide, scaling all graphics as necessary. The default is 800 pixels. --xmas Runs the program in xmas mode, if it is not near Christmas. If it is near Christmas, runs the program in non-xmas mode. Controls: Arrow keys control movement (or vi's hjkl keys will work too, of course.) Q puts in a quarter, and starts the game. Z fires a laser C drops chaff (to confuse heat seeking missiles). B drops bombs. G drops a gravity bomb, of which you start with 3. Additionally, a game pad or joystick may be used. I have only tried two controllers, the Microsoft XBox 360 wired controller, and a Log- itech Dual Action Rumble USB gamepad. On these, the first (left) joy- stick controls your ship. For other controls, just press all the but- tons to see what they do, as it's not the same from one controller to the next. The rumble effect only works with the XBox 360 wired con- troller, and then only if you have linux kernel 2.6.26 or better. See also the "--rumbledevice" option. m toggles music on/off. s toggles sound effects on/off. 1 toggles the audio missile lock-on alarm on/off. ENEMIES AND OTHER THINGS YOU MAY ENCOUNTER Rockets. Avoid hitting them. Jets, which fire heat seeking missiles. Avoid the missiles. Heat seeking SAMs. Avoid. Octo-viruses and tentacles. Shoot lightning. Avoid. Blimps (representing emacs). Will shoot heat seeking missiles. Will leak LISP code. GDB processes. Will attempt to ptrace you with heat seeking probes. Avoid and/or kill. Cron Jobs. Will shoot projectiles at you. Will attempt to collect the vi .swp files and carry them to caldera of the volcano, Mount /dev/null. Fuel tanks. Refuel by hovering over the fuel tanks momentarily. Laser cannons. They will shoot laser bolts at you (obviously). WINE bottles. Bill Gates's finest warship is outfitted with a giant WINE bottle to enable it to travel through the linux CORE. Beware of viruses which may be living inside. FILES /dev/input/js0, the joystick device node. /dev/input/event5, the rumble effect device. /usr/share/wordwarvi/sounds/*.ogg contain the audio data used by the game. ~/.wordwarvi/.highscores Contains high score data. ~/.wordwarvi/.exrc This file can be used to customize default settings for the game. Each line of the file controls one aspect of the game. The following commands are understood. set bw Render in black and white. set blueprint Render in the style of a blueprint. set brightsparks Render sparks brighter than usual. set difficulty=x Sets the difficulty level. Valid values are easy, medium, hard, insane, and batshit-insane. set explosionfactor=n Produce explosions with the number of sparks multiplied by n. Default is 1, integers up to 5 are permitted. Performance may suffer with large values of n. This option only has an effect when the squareexplosions option is not in effect. set framerate=n Attempt to render the game at n frames per second. set fullscreen Render the game in full screen mode. set height y Render the game y pixels high. set joystick=dev Use joystick input device dev. set levelwarp=n Warp ahead n levels (if compiled in). set nomusic Do not play, or even decode music data. set nomissilealarm Do not sound alarm for missile lock on. set nostarfield Do not render the background starfield. set norumble Do not use joystick rumble effects. set nstars=n Controls how many stars are rendered. Valid values for n must be greater than or equal to zero, and less than or equal to 600. set retrogreen Render in the manner of a vector display from the '70's. set randomize Use a clock generated random seed to initialize levels. set randomseed=n Use the specified random seed to initialize levels. set rumbledeviced=d Use the specified device for rumble effects (XBox 360 wired con- troller only, and linux 2.6.26 or better required.) The default is /dev/input/event5. Your controller may show up elsewhere, like /dev/input/event6, for example. Also, you will have to (as root) chown this device node to the user you're running the game as, and do this again after each boot, and each time you hotplug the controller. There is probably a way to get udev to do this for you automatically every time, but I don't know what it is offhand, and it may differ from distro to distro. set squareexplosions Makes explosions rectangular rather than round. See the de- scription of the --squareexplosions option for some explanation of why this even exists. set sounddevice=n Use the nth sound device for audio output. set starmotion=x Controls how the starfield moves. Possible values are 'astro- nomically-correct', 'wrong', 'wronger', and 'wrongest'. set thicklines Render everything with extra thick lines. set width=x Render the game x pixels wide. map key action valid actions are: soundeffect down up left right missilealarm bomb chaff quarter pause 2x 3x 4x 5x 6x 7x 8x suicide thrust music fullscreen quit laser none reverse gift Valid keys are: a-z, A-Z, 0-9, and most printable characters. Keypad numerals 0-9 may be specified as kp_0 through kp_9, and function keys f1 through f12 can be specified f1 through f12 (obviously). In addition the following strings may be used to specify the corresponding keys: space enter return backspace delete pause scrolllock escape sysreq left right up down kp_home kp_down kp_up kp_left kp_right kp_end kp_delete kp_insert home down end delete insert map button n action maps joystick button n (where 0 <= n <= 9) to the specified ac- tion. Actions are the same as describe above, with the excep- tion of left, right, up and down, which are not yet implemented due to laziness on my part. In any case, if your joystick has a button pad you want to use to control the motion of the ship (left/right/up/down), most likely it also has some sort of switch to make this pad active instead of one of the sets of x/y joystick axes. (e.g. my Logitech Dual Action Rumble is like that.) If that's the case, then you don't need this feature anyway, as the joystick will map those button presses onto the appropriate axes for you. set joystick-[xy]-axis=n. Allows specifying different axes for control of the players ship for multi axis joysticks. By de- fault, the first x and first y axes are used (n = 0 for x, n=1 for y) A value of -1 disables control of an axis. See example .exrc file below to find out why you might want to do that. There are pictures at http://smcameron.github.com/wordwarvi which show how the axis numbers and button numbers map to the physical controls for the Microsoft XBox 360 controller and the Logitech Dual Action Rumble controller Example .exrc file: set fullscreen set retrogreen map z chaff map x bomb map c laser # # to set up "Defender" style joystick # controls, vertical motion controlled # by joystick axis, horizontal motion # controlled only by "reverse", and # "thrust" buttons, with x axis joystick # control disabled. # set joystick-x-axis=-1 set joystick-y-axis=0 map button 0 thrust map button 1 reverse GOOD LUCK You'll need it. AUTHOR Written by Stephen M. Cameron wordwarvi Jul 2008 WORDWARVI(6)
NAME | SYNOPSIS | DESCRIPTION | Options: | Controls: | ENEMIES AND OTHER THINGS YOU MAY ENCOUNTER | FILES | GOOD LUCK | AUTHOR
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