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| − | == How Object Arrays Work ==
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| − | I've seen the question asked over and over at various forums, so I figured this should be made common knowledge.
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| − | The object arrays ( [InfantryTypes] , [Movies] , [Tiberiums], etc. ) are internally 0-based. That means, the first item listed in such an array will always have index #0 ingame, the second one will be #1, and so on, regardless of what the text on the left of the equals sign says. You can have things like a^2+b^2=CSQUARED and the game would recognize CSQUARED and put it into the array correctly.
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| − | These internal indecies are a way how the game refers to these objects, widely used by AI scripts and map triggers. So, a map trigger action that says "Play Animation #250 at waypoint 45" will play the animation that has the internal index of #45 in the [Animations] list, '''which is not necessarily [Animations]45='''.
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| − | All new entries (from mpmode files and map files) are appended to the end of the appropriate arrays, provided their entries are not in them already.
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| − | For example:
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| − | rules.ini contains
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| − | [AircraftTypes]
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| − | 4=ORCA
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| − | 1=ORCAB
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| − | 0=SCRIN
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| − | 11=MIG
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| − | 9500=DUMMYOBJECT
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| − | -7=APACHE
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| − | and map75.mpr contains
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| − | [AircraftTypes]
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| − | 1=SCRIN
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| − | 3=ROFLCOPTER
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| − | 49=B52
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| − | So, when you're playing on map75.mpr, the game builds the [AircraftTypes] array as follows:
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| − | [AircraftTypes]
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| − | 0=ORCA
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| − | 1=ORCAB
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| − | 2=SCRIN
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| − | 3=MIG
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| − | 4=DUMMYOBJECT
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| − | 5=APACHE
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| − | 6=ROFLCOPTER
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| − | 7=B52
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| − | And when you're playing on emptymap.mpr, which doesn't define new [AircraftTypes], the array will be
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| − | [AircraftTypes]
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| − | 0=ORCA
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| − | 1=ORCAB
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| − | 2=SCRIN
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| − | 3=MIG
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| − | 4=DUMMYOBJECT
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| − | 5=APACHE
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| − | == Common Questions & Answers ==
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| − | === Q. So can I place anything silly to the left of the equals sign, and it won't affect anything? ===
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| − | A: Yes, while you can place almost (except for the = sign itself...) anything to the left of the equals sign, it makes most sense to keep the numbering identical to the one used ingame.
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| − | === Q: What features break if I break the existing ordering (say, by adding new items to the middle of the list)? ===
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| − | A: No matter whether you added or removed items from the middle of the array, you messed up the internal ordering. The consequences - almost every array of the game has a corresponding map trigger and/or AI script action that calls for an object from that array via index. So, reordering those lists is '''not''' advised under any circumstances. Add your new objects to the end of it.
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| − | === Q: Are Westwood's unmodded arrays correct? ===
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| − | A: Not quite. They have made a lot of little mistakes, which add up and look sloppy. I have fixed some of them (the ugliest ones) and posted them on their corresponding pages, [[BuildingTypes]] and [[Animations]]. More corrected versions will follow soon.
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| − | [[Category:General Editing Information]]
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