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* Changes between version 4 and version 3.3 *
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Version 4 of Game Maker is a major rewrite. All aspects of the software
have been reconsidered and improved. The user interface has been changed
completely. The file structure has been changed into a single file.
Sprites have been decoupled from objects, image maker and background
maker have been incoporated, the built-in language has been extended and
improved, and so on. 


The following list contains some of the major new features in version
4.0 compared to version 3.3. 

- New, enhanced designer interface. 
- All data is stored in one file. 
- High scores are saved in the registry (meaning that the 
  game can be run from e.g. a CD). 
- Object can easily change sprite. 
- Rooms can change background. 
- Scripts can be used and loaded from libraries, to extend the possibilities. 
- Less memory and resource consumption. 
- 24-bit color. 
- Faster loading of games. 
- Full screen exclusive mode. 
- More and enhanced actions. 
- New events and user definable events. 
- Image Maker is built in. 
- Background Maker is built in. 
- Multiple (scrolling) backgrounds and foregrounds. 
- Control over hotspot and boundingbox of sprites. 
- Possibility for separate collision masks. 
- Support for more graphics formats. 
- Persistent rooms that stay the same when you return to them later. 
- Persistent objects that do appear in each room. 
- Load on use for sprites, backgrounds and sounds, to save resources. 
- More control over high-score list. 
- Loading image built-in. 
- Easy to use life mechanism. 
- Gamma control. 
- Inheritence between objects. 
- Calling events from code. 
- More control over individual instances of objects. 
- Faster code. 
- Addition language concepts (for loop, 2-dimensional arrays) 
- More functions and variables. 
- Scripts can be used as functions. 
- Extended documentation. 
- Alpha blending of sprites for transparency effects (slow though). 
- Incorporated load image (with progress indicator). 
- Improved highscrore form. 
- Runs with older version of DirectX (e.g. on Windows NT). 
- Possibility to add plug-ins in the form of DLLs. 


Also some things have disappeared, because they are difficult to
maintain in the new structure. 

- Automatic background music (can be done from within the game) 
- Start and ending screens (can be done from within the game) 
- DirectX is required 
- Notion of cells is gone