Table of Contents
Introduction
As in last year's contest, your task will be to develop Java programs that
will play a realtime strategy game using virtual droids. Each droid's hardware
will be modelled as a set of abilities which your software will control
through a fixed interface. Software will run in timesliced Java virtual
machines written in Java, what we will call Droid Virtual Machines (DVMs).
Using these abilities, droid software will be able to explore the closed
universe and interact with other objects and droids.
This contest is based on realtime (RTS) strategy games.
If you are unfamiliar with RTS terminology, please consult our
primer.
There are some differences to note from traditional RTS:
-
Resources are not gathered and expended from a single, omnipresent
"account" for each player. A droid may only gather and spend resources
for itself.
-
There is not a single omniscient player controlling the army. Each droid
has a limited sensor and radio range and must communicate with other
friendly droids to accomplish goals. As such, there is a very
foggy fog-of-war in effect.
-
There are no buildings per se. One type of droid is stationary, guards
territory, and serves some other functions traditionally associated with
buildings. However, they can also run code like other droids.
-
There is no human intervention in the action of your droid army.
Once a game begins, your software controls the droids until the game ends
or is aborted.
Contest Format
There are two submission deadlines, and two official tournament maps on which
your entry
must compete. The goal of the maps is to build a hemlock as close as
possible to a given destination point.
The goal is described in more detail in the
Tournaments & Maps section.
For the logistics see the section on
submitting your solution.
The first deadline is for your preliminary submission, which will compete
in a single-elimination seeding tournament (the winner's bracket from
our double-elimination final bracket).
Consult the
Calendar for a detailed timetable of events.
Teams will be ranked for the
final tournament bracket
based on matches won; ties will be broken by distance of the
closest mature hemlock to the destination point.
You may then improve your solution until the the second deadline,
when you must submit the version which will compete in the final
tournament.
What We Provide
We will provide you with a JAR file
that contains the following:
-
Specifications (this document)
-
The
colony.common package which defines the
interface and constants you must use in developing a solution.
-
The
java.lang , java.util , and java.io
packages implemented for the DVM.
-
Javadoc
HTML documentation for the above packages.
-
Software to test your solution.
-
Sample maps and example source code (but not the exact tournament maps or
source code of the reference player).
-
The compiled bytecode of the reference player (in package
team00 )
which you must beat in the preliminary tournament to qualify for the
finals and to receive credit for 6.370.
How It Works
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In this contest, you will write the software that controls a droid hardware
in the closed universe; see Writing Your Solution
for more details about writing this software. All the Java classes that you
write will collectively be called droid software; specific classes
which implement the main static method will be called
players. In particular, the class called Player in your
team package will be loaded by every droid when it first boots up; this
class is known as the primordial player.
Droid hardware is a collection of
abilities, which are constraints on its interactions
with the closed universe, and properties, which
are substates of the droid.
Your code is compiled into Java bytecode and runs on a Java virtual machine
written in Java, called a Droid Virtual Machine, or DVM. There is
a separate DVM for every droid hardware in the engine, each with its
own stack, program counter, static variables, garbage collection, and
heap limit. There are a few exceptions:
-
if you are replicating a new droid,
it will not have an associated DVM to run code until it finishes
assembling.
-
If your droid software throws an uncaught exception or error,
the game engine will
remove the DVM from its collection and the associated droid hardware will
be unpowered.
Each droid hardware exports a
DroidHandle
to its controlling DVM;
this handle has methods for using abilities, gaining information about
properties, and gaining information about the closed universe.
This handle is the only way your software can interact with other objects,
droids, and the closed universe.
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The game engine is what manages all the DVMs, droid hardwares, the map,
the clock, and their interactions. In one cycle, the engine takes the
following actions in order:
-
Each DVM in the game engine receives an allotted number of bytecode
instructions per cycle, called its timeslice. Each DVM currently
gets 1000 instructions per cycle; the game engine runs these timeslices
in sequences for every DVM in its collection. Some
abilities are
active, meaning they change game state and end
the calling DVM's timeslice; use of active abilities queues up
actions.
-
After all DVMs have received their timeslice, the engine processes
all queued actions in order to prevent inconsistencies in game state.
Repair actions are always queued before other actions.
See Droid Abilities
for details.
-
Next, the action queue is cleared, and the engine calls a clocktick method
for every clocked object in its collection. All droid hardwares are clocked
objects, because certain properties are updated by the cycle (assembly status,
map position, etc.). In addition, maps can be clocked (to end the game after
a certain number of cycles for example) as well as artifacts (to take
some special action at a specific time).
-
Finally, the engine increments its time (in cycles), and begins the loop
again.
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Game Physics
As mentioned above, time is measured in cycles, which is the
longest continuous sequence of instructions executed by any one DVM.
Distance is measured in spans, which are continuous. Speed
is measured in spans per cycle.
There is one resources in this game, metal ore out of which
all droids are constructed. Ore is measured in a unit called stone and
is available in fixed quantities at certain locations on a map.
A droid's stored ore decreases when it replicates and increases when it
gathers ore. Ore coalsces; that is, if a droid is already carrying ore, any
additional ore it stores will "transfer" hit points over to the carried ore,
rather than being stored itself.
All objects, physical and nonphysical, are identified by
monikers,
which are permanently
attached to this object upon its creation.
All droids have unique monikers, but entities like abilities and
terrains share a generic moniker. A moniker is analogous to
a name or hash key.
Physical objects, such as a droid or a piece of ore,
have a position on a map and hit points measured in stone.
However, physical
entities do not have a size; as such, they can occupy the same location or
even pass through each other. Physical entities whose hit points reach zero
are remove from the map and game engine.
Abilities and terrains are examples of nonphysical entities.
Unlike other physical objects, droids have abilities
(including the ability
to store other objects, travel around the map, and replicate)
and are controlled by a DVM which can run bytecode.
Replicants, or droids that have not fully self-assembled, are still physical
objects but are uncontrolled and unpowered until they mature and their DVM
boots up their army's primordial player.
Droid Types
You will control four types of droids in the competition, which have all
the same abilities and properties, but with different parameters
(e.g. different ranges, different hit points).
|
Scion |
Land reconaissance and exploration. |
|
Hemlock |
Communications relay and perimeter guard. |
|
Sea Dragon |
Naval senty unit. |
|
Beetle |
Aerial transport and scout. |
Droid Abilities
All droids have the same basic abilities, which are described below.
Active abilities cause a change in the game state and cost 1 cycle of time
per use (that is, they are instantaneous and also end your DVM's timeslice).
They cause actions to be queued up while DVMs are running, to be processed
after all DVMs have run. Repair actions are queued up first; all other actions
are queued up in the order they were created.
Passive abilities do not change game state, and may be called multiple times
in one cycle; however, they are idempotent in that calling them more than
once per cycle gives you no new information.
All uses of abilities are
atomic function calls in the DVMs, meaning that they will always return
execution to the DVM before its timeslice ends.
Some abilities manage state for a droid or have ranges/parameters which
are the described in the property table.
The specific syntax for these abilities is discussed in the
PlayerConstants javadoc. All the abilities below are linked directly to their corresponding
moniker constant in this javadoc; moniker constants are passed into
the DroidHandle.useAbility method which is described in the Writing Your Solution section.
Most of these abilities operate on monikers, which you must first retrieve
using the Sensor ability. Using these abilities when their conditions are
not met will have no effect on the game state.
Passive Abilities
-
GetHitPoints
A droid can retrieve the hit points of any object within sensor range,
including its own.
-
GetAssembly
A droid can retrieve the assembly status of any object within sensor range,
including its own. However, a droid that can run code to retrieve assembly
will already be 100% assembled.
-
GetPosition
A droid can retrieve the position of any object within sensor range,
including its own, as a MapPoint .
-
GetVelocity
A droid can retrieve the velocity of any object within sensor range,
including its own, as a Double .
-
GetTerrain
A droid can retrieve the terrain moniker of any position within its
sensor range.
-
GetOreAmount
A droid can retrieve the amount of ore carried by any droid within its
sensor range, including itself.
-
GetStorage
A droid can retrieve the items stored by any object within sensor range,
including its own stored items, as an array of Moniker s.
-
GetOwner
A droid can retrieve the moniker of its owner if it is being carried.
-
GetStorageAvailable
A droid can retrieve the amount of storage available in any droid
within sensor range, including itself, as an Integer . This
amount of available storage is in stone and uses the hit points of all
physical objects, and in the case of droids, all their stored items
resolved recursively.
-
GetGoalStatus
A droid can retrieve the number of artifacts left unclaimed on the map
as an array of one Integer.
-
RadioReceive
Droids can receive messages sent using the Radio Transmit ability. Droids
have a maximum buffer size of messages which are stored in a FIFO queue;
when the maximum size has been reached, the oldest message is deleted and
the newest one added. When this ability is used, all buffered messages are
returned the buffer is cleared.
-
Sensor
Droids can retrieve the monikers of other free (unstored)
physical objects that are
nearby (within the range of the sensor).
The droid itself does not show up in its sensor readings, nor do its
stored items, nor do any objects carried by other droids. To get
stored items within range, use the GetStorage ability on the owners.
Active Abilities
-
RadioTransmit
Droids can send messages to each other in the form of a single Byte, Short,
Integer, Long, Float, Double, Boolean, String, Moniker, or MapPoint. You may
not send arrays of these objects or any other types, as was erroenously
stated in previous revisions. The sender does not receive its
own message back. All droids within the range of the transmitter receive
the message; that is, the single transmitted object is queued in each
droid's receive buffer, waiting to be retrieved with the Radio Receive
ability.
-
Reboot
A droid can reboot itself to load a new class in the team package.
-
Store
-
Droids have the ability to carry other physical objects and
have a maximum capacity measured in stone; the storing weight of all
physical objects is their current hit points. The one exception is that
mature hemlocks cannot be carried.
-
Droids must approach within
a certain distance to store an object (specified in
colony.common.PlayerConstants.STORE_DISTANCE .
Currently this is 1.0 spans. A droid that stores an object is known as
that object's owner.
-
A stored droid cannot itself pick up new
items or travel independently; its position is the same as its carrier.
Droids cannot store themselves.
-
Storage capacity is measured cumulatively; a droid must have enough
storage capacity for any droids it wishes to carry as well as those droids'
storage items.
-
Ore that is stored will
automatically coalesce with any ore that is already present; a droid will
almost never need to retrieve ore monikers once the ore has been stored,
but rather, it can use the GetOreAmount ability. If a droid only has
room for part of a piece of ore, as much stone as will fit will coalesce into
the droid's possession, and the remaining stone will be left on the map.
-
If two droids simultaneously (in the same cycle) try to store an object,
it will go to the oldest droid (the one who was created first).
-
Discard
A droid has the ability to discard objects that it is
carrying. The discarded objects will be located at the droid's position at
the time of discarding.
-
Attack
A droid can inflict damage on another droid within a certain range. There
is no splash damage; only the droid which is targeted by an attack ability
receives damage. Each droid type can only attack other droids on certain
terrains; these are listed in Droid Properties.
Stored droids can be attacked as a unit on their carrier's terrain, but
can only attack on their original allowed terrains. Replicants can be
attacked whether they are carried or not, but obviously cannot attack back.
If a replicant receives damage faster than it can assemble, it can be
destroyed.
When a droid is destroyed, anything it carries will be
discarded into its owner if any; otherwise stored items will be discarded
onto the map at the location of the droid when it was destroyed.
-
Repair
A droid can use any stored ore to repair damage to itself up to its maximum
hit points. This repair uses an amount of ore equal to the minimum of the
damage amount and available ore amount; repairs occur in 1 cycle.
-
Replicate
A droid can replicate another droid of the same type if it is carrying
enough ore. Replicants will appear on the map 1 span
distant from the parent's location at the time of replication. They
are initially unpowered and have 0 hit points; they require
a certain assembly time before they gain a DVM and can run code. During
assembly, their hit points increase linearly to their maximum value;
a replicant can be attacked at any time while it is assembling and can
be destroyed before it finishes assembling.
-
Travel
A droid can set its destination at a certain MapPoint and
proceed their in a straight line at maximum velocity. However, certain droid
types can only travel at certain speeds on certain terrains; see
Droid Properties for details. Once a
a destination is set, the droid can perform other actions while moving,
including attacking, storing, discarding, repairing, and replicating.
A droid can change destinations at any time, even whilst moving.
-
Yield
Ends a DVM's timeslice.
Droid Properties
Note that there is no property of energy and no special abilities (talents).
Type |
Hit Points (stone) |
Storage (stone) |
Assembly Time (cycles) |
Maximum Velocity (spans/cycle) |
Radio Range (spans) |
Radio Buffer Size(messages) |
Scion |
35 |
50 |
100 |
0.3 land |
10 |
10 |
Hemlock |
100 |
200 |
500 |
0.0 land |
50 |
50 |
Sea Dragon |
65 |
65 |
250 |
0.5 water, 0.1 land |
15 |
10 |
Beetle |
40 |
40 |
200 |
1.0 land, water, mountain |
25 |
10 |
Type |
Sensor Range (spans) |
Attack Range (spans) |
Attack Damage (stone/attack) |
Can travel on |
Can attack units on |
Scion |
10 |
5 |
5 |
Land |
Land, Air |
Hemlock |
50 |
10 |
15 |
cannot travel |
Land, Air, Water |
Sea Dragon |
15 |
3 |
12 |
Water, Land |
Water, Land |
Beetle |
20 |
5 |
7 |
Air |
Air, Land |
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Droids can exist on any terrain; terrain only affects a droid's
ability to travel and to be attacked.
-
Hit points are measured in stone and equal the amount of ore necessary
to initially replicate the droid and also how much damage the droid can
sustain before being destroyed.
-
Storage is the amount that a droid can carry in stone, whether its
cargo is ore or another droid.
-
Assembly time is the number of cycles between the time a droid is
first replicated to the time it is active and can run code.
-
Maximum velocity is the maximum rate of change in the position
of a droid, measured in spans per cycle.
Tournaments & Maps
Note that this section now describes this year's maps and goals.
Maps are two-dimensional arrays of grid points that are either
land, water, or mountain. Mountains are impassable to both land and water
units. Flying units are in the air terrain, which encompasses
all three of these floor terrains. There will be two tournament maps, one
for the preliminary tournament and one for the final tournament. The
parameters that will remain fixed across each tournament (but may differ
between the preliminaries and the finals) are:
- Map size (a rectangle anywhere from 200x200 to 500x500 spans in size,
not necessarily be a square)
- Map terrains and layout (land, water, and mountain)
- Number and type of starting droids (always 4, one of each type)
- Amount and distribution of ore (500-1,000 stone total in 10-50 quantities)
- Goal (building a mature hemlock closest to the destination point)
- Time limit (5,000 cycles)
Parameters which will vary randomly from match to match within the same
tournament are:
- Starting location (randomly chosen from several tactically equal positions), always near water, with all four initial droids within sensor range of each
other (within a radius of 10 spans, the smallest sensor range (scion)).
- The destination point will be equidistant from each team's starting
hemlock, between 400 and 500 spans away.
Ore will be distributed in small quantities (no mines) around the map;
it may be located anywhere on the map on any terrain. Ore
is indestructible.
Maps have a goal which is installed into every droid's
handle. This year, the goal is to build a hemlock as close to the
destination point as possible; the map will end whenever a Hemlock has
been built within PlayerConstants.STORE_DISTANCE of the
destination point (1.0 spans) or whenever the time (5000 cycles) runs out,
whichever occurs first. The destination point is stored as a parameter
in the goal and can be retrieved with the method
Goal.getParameter() .
Note that one team will have a slight advantage
of having a starting hemlock closer to the destination point due to
the floating-point precision of map coordinates; this advantage will be
no more than 1.0 spans.
The winner of a match will be the team that has a mature
hemlock closest to the destination point at the end of the match.
Note that we make no guarantees about the terrain of the destination point,
nor the configuration of mountains, water, and land around the destination
point.
In both the preliminary and final tournaments, teams will be ranked by
the following ordering:
- Number of matches won (having the closest hemlock)
- Distance of closest hemlock to destination point
The preliminary tournament results will rank teams for the final tournament,
but otherwise you start the final tournament with a clean slate.
A map has a certain number of positions called sides
which can be filled by opposing teams. In all of our tournament matches,
there will be two sides who will compete to proceed to the next match.
Other than the information given in these specs, you will not be given any
other information about the tournament maps, and you are strongly discouraged
from optimising your solutions for any particular map.
Writing Your Solution
All your source files must use the same root package name.
Specifically, all your source files must begin with the line:
package team<xx>;
where <xx> is the two-digit team ID number you received upon
registration and which is available on the
teams list page.
You may use additional subpackages of your root team package if you wish.
One of your source files must be named Player.java and define the
public class Player . This class, and any other player class into
which you would like to reboot, must have a method with the following
signature:
public static void main(DroidHandle handle)
This is the entry point into your code; you should not let execution
return from this method.
Define any other modules or subpackages that you need.
Make sure your code complies with the following requirements:
-
Your team submission should use the root package teamxx.
-
The team package should include a class named
Player . This
class, and any other player class into which you would like to reboot,
must have the following method signature:
public static void main(DroidHandle handle) .
-
The team-written source code should not make use of the Thread class,
the Runnable interface, or in any way spawn more threads of execution.
-
The team-written source code should only make use of the
java.lang , java.util , and java.io
implementations that we document in the contest Javadocs.
-
The team-written source code should not interface with non-Java source code,
compiled native libraries, compiled Java bytecode, or any Java
source code not written by the team explicitly for this particular contest.
Specifically, use of Java's Reflection classes, class loading,
file system operations, and network operations is not allowed.
Example Code
For your edification, example code is dissected online.
Testing Your Solution
Note that when you test your solution with our software, you are helping
us test the final game engine as well. Please report any bugs or send
feedback to 6.370-devs@mit.edu.
First download and extract the jar file
6370.jar .
It will produce the following directory structure
- 6.370/
- classes/ - compiled bytecode of the contest software.
- docs/ - Javadoc HTML documentation for the common classes.
- conf/ - configuration files for the game engine
- images/ - icons and sprites used in contest software
- maps/ - map images
- logs/ - server and engine log files
- sources/ - example code
- specs.shtml - this document
Then you can compile your solution using the provided
colony.common
package by including the classes subdirectory in your classpath.
In order to test your solution, you will need to configure and start the
simulator by editing the plaintext file conf/sim.conf .
It contains one team per line, with seven
to nine comma-delimited tokens, depending on whether a team has one, two, or
three members. Note that the line below has been broken to fit on the page,
but in the conf file it is one line.
For the engine to locate your class, be sure to
include the appropriate package name for one of the teams.
Currently the built-in simulator map handles exactly two teams; you must
enter at least two lines in the following format (they may be the same).
<team_id>,<team_name>,<package_name>,<division>,<major_colour>,<minor_colour>, <first_member_login>,<second_member_login>,<third_member_login>
To run the simulator, add the Sun 1.3.0 JDK by typing:
add -f java
Then go to the 6.370 root directory and type:
java -classpath .:classes:<path_to_your_classes> colony.simulator.SimClient
If you are using Windows, substitute ';' for ':' above. If you are using
Cygwin, enclosing the entire classpath argument in double quotes. Note that
if you forget to include the current directory in the classpath (the leading
period), the JVM will not be able to find the sprites, maps, or conf files,
and you will be in a world of hurt. We are aware that the current
simulator is quite slow on some Athena machines; we recommend running it
on one of the newer Linux boxes.
You can configure the map by reading and modifying the file
maps/paleriver.map . It is a plaintext file with one
directive per line; each directive has one or more parameters.
You may use your mouse to drag the map around in the scroll pane, or you may
use the minimap in the lower-right corner. Units show up as green dots on
the minimap and static sprites on the main map.
Submitting Your Solution
NOTE: The submission procedure has changed slightly from the preliminaries.
Please read this section again.
Your submission consists of one jar file which contains all your team's
source code (not bytecode) and documentation.
The directory structure should look like:
-
<jar root directory>/
-
README - plaintext file describing any compilation issues, the
location of any documentation or tests, and whether or not you would like
to be used for academic judging.
-
Player.java - your primordial player.
-
<other source files>
Do not include any enclosing directories or
directory trees, as Java compilers will generate these automatically for
object bytecode.
Note that documentation is not necessary for the preliminary submission,
and is only required for the final submission if you would like your
entry to be judged for academic merit (note this
in your README file).
To pack your solution into a jar file for submission, type:
jar cvf team<xx>.jar -C <path to files> .
Note that the trailing '.' means the current directory, not the end of a
sentence :)
Note the two submission deadlines listed in boldface on the
Calendar.
You should submit your jar file to your team directory in the IEEE locker,
like so:
athena% add ieee
athena% cp teamxx.jar /mit/ieee/6.370/teams/teamxx/
Please do this before the submission deadline.
You will receive an e-mail within
a few hours after submission telling you either that your solution has been
validated and successfully compiled or that there are some problems you
need to fix.
Troubleshooting
If you are experiencing trouble with the software, please make sure you have
downloaded the most recent version first here.
Problem: Receiving the following stack trace:
Uncaught error fetching image:
java.lang.NullPointerException
at sun.awt.image.URLImageSource.getConnection(URLImageSource.java:102)
at sun.awt.image.URLImageSource.getDecoder(URLImageSource.java:111)
at sun.awt.image.InputStreamImageSource.doFetch(InputStreamImageSource.java:254)
at sun.awt.image.ImageFetcher.fetchloop(ImageFetcher.java:217)
at sun.awt.image.ImageFetcher.run(ImageFetcher.java:185)
Solution: Be sure to include the current directory, denoted by a period (.)
in your classpath, as in:
-classpath .:classes
Problem: Can't find class colony.simulator.SimClient
Solution: Be sure you are using the Sun JDK 1.3.0 (or later)
JVM by typing
add -f java
Problem: Can't use inherited interfaces in casts.
Solution: This is a known issue but we are unable to fix it at
this time. Please modify your solution so that it doesn't have to use
inherited interfaces in casts. Sorry for the inconvenience.
Helplines
First make sure your questions are not answered in these specifications
(keeping in mind that they may change over time, as recorded in the
Change Log). If you are experiencing problems
with our software, make sure you have downloaded the latest
jar file, then check the
Troubleshooting section for some common
remedies.
If you have a technical question about the specs of software,
you can e-mail the 6.370 developers at
6.370-devs@mit.edu.
If you have an administrative question about the contest, you can e-mail the
6.370 organisers at 6.370@mit.edu.
Organisers and developers may sometimes haunt the 6370
Zephyr instance. You can write to them by typing:
zwrite -i 6370
There is also an Athena mailing list
(6370-discuss@mit.edu)
for both teams and organisers to
discuss technical issues and answer questions about the contest.
We hope that competitors will help participate in the technical support
effort.
Please keep in mind that 6.370 is currently completely student run,
so we might not have all the resources to answer your questions.
Also, the contest organizers assume you have a basic knowledge of Java and/or
have reference materials to consult.
If you have a question about the Java programming language, you might want to
try Sun's Java forums and tutorials at:
http://java.sun.com
Appendix A: Downloads
Revision 2.8, 27 January 2003
- Map ending fixed
- HEMLOCK_RADIO_RANGE corrected to 50.
NOTE:
Downloading with Netscape (4.7x and lower) in Windows mangles the jar file.
Mozilla
If you are using Windows, use another browser or file transfer method to
get this file.
6370.jar, 1.0 MB
To extract this file, type:
jar xvf 6370.jar
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Appendix B: Javadoc HTML Class Documentation and Examples
Javadoc-generated HTML documentation
Appendix C: Development Environment
The programming contest will be conducted entirely in the Java language.
You are free to use any development platform, but your solutions must
compile and run in a Sun-certified Java 2 Platform, Standard Edition 1.3.
We recommend using Sun's free JDKs for Solaris, Linux, and Win32 available at:
http://java.sun.com/j2se/1.3/
or IBM's Developer Kit for Linux, Java 2
Technology Edition, Version 1.3.
Specifically, we will be using IBM's high-performance Java compiler called
jikes (v1.15) with Sun's 1.3.0 runtime libraries. You can learn more at the
Jikes Homepage.
We recommend working on Athena
workstations, which already have all the necessary tools available.
However, we can provide limited support for development on private Linux
and Win32 platforms using the tools described here.
To use JDK 1.3.0 on Athena (and optionally the jikes compiler)
add the following to your .environment file:
add java
add jikes
setenv JIKESPATH /mit/java_v1.3.0/jre/lib/rt.jar
Then log out and log back in, or type source ~/.environment .
If you prefer to work in a POSIX-compliant environment within Windows
with GNU development tools (make, cvs, etc.) we recommend the free Cygwin
environment from Redhat at http://sources.redhat.com/cygwin/.
Appendix D: Configuring the Game Engine and the Statuary Map
Many parameters in the game engine and the Statuary map used in the simulator
can be configured by reading and altering the plaintext conf files in
the conf and maps directories, respectively.
- sim.conf - teams used in the simulator
- scion.conf - abilities and properties of Scions.
- hemlock.conf - abilities and properties of Hemlocks.
- seadragon.conf - abilities and properties of Sea Dragons.
- beetle.conf - abilities and properties of Beetles.
- ore.conf - abilities and properties of Ore.
Change Log
-
1.06 January 2003:
Initial revision.
-
2.013 January 2003:
New goal and maps. Sea dragon no longer starts in water.
-
2.514 January 2003:
New reference player released. MapPoint and Moniker now implement Comparable
for use in collections, the equals method, and the hashCode method.
Ore naming bug fixed in statuary1.map. Clarification: matches are won by
the closest mature hemlock to the goal point.
-
2.620 January 2003:
Droid starting positions fixed to be within circle with radius of 10 spans;
map shape clarified to be rectangular. Seeding tournament format corrected
to single-elimination, as described in the contest rules; ranking of teams
in both tournaments in clarified. Droid properties
clarified to include allowed travel terrains and allowed attack terrains.
Inherited interfaces cannot be used in casts. No guarantees are made about
terrain of destination point or the terrains around it.
-
2.7 - 22 January 2003
Preliminary map released.
-
2.8 - 27 January 2003
Map ending fixed. PlayerConstants.HEMLOCK_RADIO_RANGE corrected to 50.
Submission procedure changed.
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