HowTo:Edit Systems:Milkyway

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Autogenerated system files

Since they are autogenerated, these systems must have some rules so that the generator knows what to make. The rules are inside of the XML file universe/milky_way.xml.


XML Schema Description

  • <galaxy> ... </galaxy> -- Marks the beginning and end of the XML file.
    • <systems> ... </systems> -- You need it but I don't know why.
      • <sector ... > ... </sector> -- (repeatable) A sector containg a group of systems.
        • name -- the name of the sector. For, enigma_sector.
        • < var ... /> -- (repeatable) The default variables for the entire sector (var tag to be described later)
        • <sector ... > ... </sector> -- (repeatable) A system (to be a system it must be inside another sector tag).
          • name -- the name of the system, for example, heavens_gate.
          • < var ... /> -- (repeatable) To be described later

Variables

The < var name="" value="" /> tag

Here is a list of all of the possible names and their values so far. If these variables are not set inside any of the sector tags (innermost overrides) the system will randomly use a number between the corresponding values of the unknown_sector/min and max "systems"

Variable Types

  • BOOL = boolean value = "true" or "false"
  • INT = integer
  • FLOAT = decimal number
  • FILENAME = the name of a file inside the universe directory.

Sun / Stars

num_stars

  • Type: INT
  • Description: The number of suns in the system (to make binary systems).
  • Example:
<var name="num_stars" value="2"/>

sun_radius

  • Type: FLOAT
  • Description: The radius of the sun in the system.
  • Example:
<var name="sun_radius" value="26000"/>

starlist

  • Type: FILENAME
  • Description: A file with a list of colors/textures/sprites for different sizes of stars:
  • Example
<var name="starlist" value="stars.txt"/>
  • Contents of Stars.txt
    • "0 .3 1 .3 .1 stars/white_star.png"
    • "1000 .5 .5 1 .1 stars/white_star.png"
    • ... means, "if the radius of the star is greater than or equal to 0 but less than 1000, then use RGB color (.3,1,.3), variance (?) of .1 and a texture/sprite filename of "stars/white_star.png". The same goes for 1000, etc.

Planets

num_gas_giants

  • Type: INT
  • Description: The number of gas giant planets.
  • Example:
<var name="num_gas_giants" value="3"/>

num_planets

  • Type: INT
  • Description: The total number of inhabited(?) planets (not including gas giants).
  • Example:
<var name="num_planets" value="8"/>

num_moons

  • Type: INT
  • Description: The number of moons orbiting any planet.
  • Example:
<var name="num_moons" value="2"/>

asteroids

  • Type: BOOL
  • Description: Whether there are asteroids or not.
  • Example:
<var name="asteroids"   value="true"/>

nebulae

  • Type: BOOL
  • Description: Whether there are nebulae or not.
  • Example:
<var name="nebulae"   value="true"/>

num_natural_phenomena

  • Type: INT
  • Description: How many asteroids/nebulae/? there are in the system.
  • Example:
<var name="num_natural_phenomena" value="2"/>

namelist

  • Type: FILENAME
  • Description: a file containing a list of planet names to use.
  • Example:
<var name="planetlist" value="planets.txt"/>

gasgiantlist

  • Type: FILENAME
  • Description: A list of possible textures for gas giants. If a follows the filename, then it will have atmosphere. If a "^" and another filename follows the first filename then the next texture will be used for lights.
  • Example:
<var name="gasgiantlist" value="gas_giants.txt"/>

planetlist

  • Type: FILENAME
  • Description: A list of possible textures for non-gas-giant planets with the same rules as above.
  • Example:
<var name="planetlist" value="planets.aera.txt"/>

moonlist

  • Type: FILENAME
  • Description: A list of possible textures for moons with the same rules as above.
  • Example:
<var name="moonlist" value="moons.txt"/>

ringlist

  • Type: FILENAME
  • Description: A list of textures of planetary rings.
  • Example:


asteroidlist


  •  Type: FILENAME
    • 

  •  Description: A list of distances and units with the same format as unitlist.
    • 

  •  Example:




nebulalist


  •  Type: FILENAME
    • 

  •  Description: A list of distances and units with the same format as unitlist. 
    • 

  •  Example:


<var name="asteroidlist" value="asteroids.txt"/>








General


data


  •  Type: INT  
    • 

  •  Description: The random number seed that is used to generate the system. This number ensures that the same system is generated each time.
    • 

  •  Example:


<var name="data" value="1039"/>



compactness


  •  Type: FLOAT 
    • 

  •  Description: The scale of the star system. 
    • 

  •  Example:


<var name="compactness" value="5.8"/>



faction


  •  Type: FACTION NAME  
    • 

  •  Description: The name of the faction that owns the system. 
    • 

  •  Example:


<var name="faction" value="aera"/>



backgroundlist


  •  Type: FILENAME  
    • 

  •  Description: A list of background spheremaps/cubemaps without the extension (.png,.jpg,etc.). 
    • 

  •  Example:


<var name="backgroundlist" value="background.txt"/>



force


  •  Type: BOOL 
    • 

  •  Description: If this is not true, then the system will clamp to the corresponding value of the unknown_sector/minlimit or maxlimit "system__ 
    • 

  •  Example:




Units


num_starbases


  •  Type: INT 
    • 

  •  Description: how many bases there will be (may be changed around with dynamic universe)
    • 

  •  Example:


<var name="num_starbases" value="0"/>



unitlist


  •  Type: FILENAME 
    • 

  •  Description: A list of distances and units with the following format: 
    • 

  •  Example:


<var name="unitlist" value="smallunits.txt"/>



  •  Contents of smallunits.txt

    •  Example: "U800^MiningBase U800^MiningBase A8480^AFieldBaseSparse&U400^MiningBase" 
      • 

    •  Format: "U"|"E"|"B"|"A"|"N"|"gas"|"jump"|"planet" distance-from-orbiting-planet "^" unit-name 

      •  Description

        •  U = Unit 
          • 

        •  N = Nebula 
          • 

        •  B = Building 
          • 

        •  E = Enhancement 
          • 

        •  A = Asteroid. 
        • 

      • You can have another object at the same coordinates by putting a "&" and another of these unit-distance pairs with no white space in between. 


num_jump


  •  Type: INT  
    • 

  •  Description: The number of jump points to other systems there are. 
    • 

  •  Example:


<var name="num_jump" value="4"/>



jumps


  •  Type: ??
    • 

  •  Type: INT  
    • 

  •  Description: List of systems that this system jump points connect to.
    • 

  •  Example:


<var name="jumps" value="enigma_sector/harrison enigma_sector/repleetah
     enigma_sector/mccaffrey enigma_sector/wetland"/>



Examples


(parts of milky_way.xml)



<galaxy>
  <systems>
 ...
 ...
    <sector name="enigma_sector">
      <var name="faction" value="confed"/>
      <var name="namelist" value="names.txt"/>
 ...
 ...
      <sector name="shelton">
        <var name="sun_radius" value="26000"/>
        <var name="faction" value="aera"/>
        <var name="planetlist" value="planets.aera.txt"/>
        <var name="compactness" value="5.8"/>
        <var name="num_stars" value="1"/>
        <var name="num_gas_giants" value="3"/>
        <var name="num_planets" value="8"/>
        <var name="num_moons" value="2"/>
        <var name="nebulae"   value="true"/>
        <var name="asteroids"   value="true"/>
        <var name="jumps" value="enigma_sector/harrison enigma_sector/repleetah
                                 enigma_sector/mccaffrey enigma_sector/wetland"/>
        <var name="num_natural_phenomena" value="2"/>
        <var name="num_starbases" value="0"/>
        <var name="data" value="1039"/>
      </sector>
 ...
 ...
    </sector>
 ...
 ...
  </systems>
</galaxy>






					

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