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Man Pages


Manual Reference Pages  -  XROBOTS (6)

NAME

xrobots - fight off villainous robots (X Windows)

CONTENTS

Synopsis
Description
Resources
Actions
Options
Scoring
Files
Author

SYNOPSIS

/usr/local/bin/xrobots

DESCRIPTION

As in robots(6), xrobots puts you into a world of evil robots (but in an X window, of course). It’s your intellect against the robots, who have numbers on their side. Fortunately for you, these robots have a bad habit of crashing into each other, destroying themselves and temporarily improving your chances of survival.

You have a the following abilities:

You can move one square at a time (but so can the robots). The direction of possible moves are indicated by the dots near your man and by the shape of the cursor. Clicking the left mouse button selects the direction.

You can wait for robots to reach you. Do this by clicking on the button labeled "Wait" below the main playfield or by pressing ’w’ while the mouse pointer is within the playfield.

You can use your teleportation device. This defensive weapon is not without risk. This can be invoked by clicking on "Teleport" or by pressing ’t’.

You have a "sonic screwdriver" which wipes out any robots within close proximity. This offensive weapon recharges once for each level. This can be invoked by the "Sonic Screwdiver" button or by pressing ’s’.

The default keyboard setup is similar to the original robots:

h move one square left
l move one square right
k move one square up
j move one square down
y move one square up and left
u move one square up and right
b move one square down and left
n move one square down and right
. (also space) do nothing for one turn
HJKLBNYU
  run as far as possible in the given direction t teleport to a random location
w wait until they reach you
s use your sonic screwdriver
control-C is quit
 

RESOURCES

If you don’t like ’s’ for the sonic screwdriver and ’t’ for teleport you can change this. xrobots is programmed using the X Toolkit and takes advantage of the toolkit’s resources and translation schemes. The following are resources that are used by xrobots and should probably be set in your .Xdefaults file.

xrobots.autoteleport
If set to true, you teleport automatically when there is no other option. This does not autoteleport if the sonic screwdriver has not been used. The default is false.

xrobots.autoteleportalways

This is similar to autoteleport, but teleports automatically even if you have a sonic screwdriver available. The default is false.

xrobots.diewaiting

Setting this to true adds a little risk to your life and makes the game play a little more like BSD robots. The default is false.

xrobots.scorefile

Set this to the path of your personal score file. The file will be created if it does not exist. The default: /usr/local/lib/X11/xrobots_scores

xrobots.showmovement

If set to false, intermediate movements will not be shown. This may be useable for very slow servers or very fast players. The default is true.

xrobots.spiffy

If set to false, some of the graphics will not be shown. This is helpful for slow servers. The default is true.

Additionally, all the key bindings can be changed. Here’s a sample set of translation bindings that you can modify to your preferences:

xrobots*Translations: #augment \n\
<Btn1Up>:    move()             \n\
:<Key>u:     move(right, up)    \n\
:<Key>l:     move(right)        \n\
:<Key>n:     move(right, down)  \n\
:<Key>y:     move(left, up)     \n\
:<Key>h:     move(left)         \n\
:<Key>b:     move(left, down)   \n\
:<Key>k:     move(up)           \n\
:<Key>j:     move(down)         \n\
:<Key>U:     jump(right, up)    \n\
:<Key>L:     jump(right)        \n\
:<Key>N:     jump(right, down)  \n\
:<Key>Y:     jump(left, up)     \n\
:<Key>H:     jump(left)         \n\
:<Key>B:     jump(left, down)   \n\
:<Key>K:     jump(up)           \n\
:<Key>J:     jump(down)         \n\
<Key>.:      move(nowhere)      \n\
<Key>\\ :    move(nowhere)      \n\
<Btn2Up>:    go_here()          \n\
<Btn3Up>:    wait()             \n\
<Key>s:      sonic()            \n\
<Key>t:      teleport()         \n\
<Key>w:      wait()             \n\
<Key>z:      new_game()         \n\
Ctrl<Key>c:  quit()

ACTIONS

Here’s what each action that can be referenced via translations is and what it does:

The move() action with no parameters uses the relative position of the mouse pointer to determine the direction in which to go. Otherwise, a combination of "left", "right", "up", "down", and "nowhere" will direct the direction. If "nowhere" is used, the player’s icon will remain still while the robots take their turn.

The jump() action does the same thing as move(), except it causes the player to move in a direction until it can’t go any farther. This is used in the default translations when a key is shifted.

The go_here() action directs the player’s icon to the location where the mouse button was released. Of course, the robots will chase you, and if doom is impending, go_here() will stop.

The wait() action causes the robots to move until they are breathing right down your neck.

The sonic() action invokes the sonic screwdriver.

The teleport() action invokes the teleportation device.

The new_game() and quit() actions do what you would expect them to.

OPTIONS

In addition to the normal XToolkit options, xrobots accepts command line options for the following resources: spiffy, autoteleport, autoteleportalways, showmovement, diewaiting, and scorefile. These correspond to the resources as described above.

For example: xrobots -scorefile myscorefile

SCORING

Each robot that is wasted is worth ten points. Additionally, bonuses are awarded for each teleportation, and for not using the sonic screwdriver. The name for the high score list comes from the USER environment variable.

FILES

/usr/local/lib/X11/xrobots_scores -- the score file

AUTHOR

There are many versions of robots floating around. So many that it would be difficult to say who the original author is. This version was written from scratch by Brian Warkentine (brianw@Sun.COM).

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--> XROBOTS (6) 30 Sep 1989

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