Basic game engine

I am looking for bids on a basic game engine with the following criterias. --- Engine requirements: Must be written with object oriented C++, engine should be seperate from the game logic. Should use SDL or similar library for cross platform compitability. COMMENTED CODE, plenty of comments in good english required. I need the code to make sence! Engine specifics: Maps composed by small isometric tiles (16*32 or similar should be variable), it should be possible to add several layers. Player movement in 8 directions. Collision detection, player needs to collide with blocked tiles as well as enemies and objects. Load and display bitmap fonts. Clickable buttons Switch between resolutions and fullscreen/windowed Load transparent sprites Good error handling! --- Please include in your bid a strategy for developing and structuring the engine. How are you going to make it work? Also in the finished project I would expect a small playable demo of the game I will use this engine for, it is very simple and i will disclose full details to winning bidder. No graphics is required, temporary graphics will do or I will supply graphics for you to test. Time as well as quality is of the essence so please only bid if you are serious and know what you are doing, as to not waste either your or my time. Looking forward to your bid! ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Windows 9X, XP... Mac Linux