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Last change
on this file since 221 was
221,
checked in by landauf, 16 years ago
|
- made ObjectList double-linked to allow forward- and backward-iterating. its now a LI(F/L)O list.
- added an iterator to iterate through object-lists. you can iterate forwards and backwards.
iterating forwards is easy: you get "0 1 2 … last"
iterating backwards is a bit tricky: you still get "0" first, but then "last … 2 1".
thats caused by the structure of the for-loop: you get the first element before the iterator knows if you'll increase or decrease it
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File size:
695 bytes
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| Line | |
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| 1 | #ifndef _ObjectList_H__ |
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| 2 | #define _ObjectList_H__ |
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| 3 | |
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| 4 | namespace orxonox |
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| 5 | { |
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| 6 | class OrxonoxClass; |
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| 7 | |
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| 8 | class ObjectListElement |
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| 9 | { |
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| 10 | public: |
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| 11 | ObjectListElement(OrxonoxClass* object); |
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| 12 | ~ObjectListElement(); |
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| 13 | |
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| 14 | OrxonoxClass* object_; |
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| 15 | ObjectListElement* next_; |
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| 16 | ObjectListElement* prev_; |
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| 17 | }; |
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| 18 | |
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| 19 | class ObjectList |
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| 20 | { |
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| 21 | public: |
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| 22 | ObjectList(); |
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| 23 | ~ObjectList(); |
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| 24 | void add(OrxonoxClass* object); |
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| 25 | void remove(OrxonoxClass* object, bool bIterateForwards = true); |
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| 26 | |
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| 27 | ObjectListElement* first_; |
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| 28 | ObjectListElement* last_; |
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| 29 | }; |
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| 30 | } |
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| 31 | |
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| 32 | #endif |
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