Data Structures for Game Programmers by Ron Penton

By Ron Penton

"Data constructions for online game Programmers" replaces never-ending pages of dull textual content with intriguing gaming know-how and crowd pleasing pictures. The advanced topic of information buildings is made effortless to appreciate and enjoyable to profit. commence with an evidence of the way the preferred information constructions and algorithms paintings. Then you're in your means as you create your personal! From uncomplicated arrays and bit vectors to severe binary tree graphs and hash tables, this ebook covers all of it. It even tackles the algorithms used for sorting, looking out, compression, and recursion. Plus, you are going to really see every one idea placed into perform via interactive graphical demonstrations incorporated at the CD!

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876 The SDLGUIFrame . . . . . . . . . . . . . . . . . . . . . . . . 876 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . 878 Appendix D Introduction to the Standard Template Library . . . . . . 879 STLPort . . . . . . . . . . . . . . . . . . . . . . . . . . 880 STL Versus This Book. . . . . . . . . . . . . . . . . . . . . 882 Namespaces .

Although this situation is not very likely with the given example, it happens all the time in real code. You’d have to go back and change every copy of the code that you’ve made. What a pain in the butt! Team LRN Template Functions Doing It with Templates C++ comes to the rescue by allowing us to create template functions, which use the same algorithm but operate on different datatypes. The syntax for a template function is such: template< class T > returntype functionname( parameter list ) You first declare that you are creating a template by putting in the template keyword.

2 The Log2n function varies with the size of the data, but becomes more efficient as more data is added. O(n) O(n) is called the linear function. 3 illustrates what this function looks like. Basically, an O(n) algorithm grows at a constant rate with the data size. This growth rate means that if an O(n) algorithm takes 20 seconds to operate on 1,000 data items, it would take roughly 40 seconds to operate on 2,000 data items. The scenario of trying to find the Boba Fett action figure is an example of an O(n) algorithm.

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