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The purpose of design documentation is to express the vision for the game, describe the contents, and present a plan for implementation. A design document is a bible from which the producer preaches the goal, through which the designers champion their ideas, and from which the artists and programmers get their instructions and express their expertise. Unfortunately, design documents are sometimes ignored or fall short of their purpose, failing the producers, designers, artists, or programmers in one way or another. This article will help you make sure that your design document meets the needs of the project and the team. It presents guidelines for creating the various parts of a design document. These guidelines will also serve to instill procedures in your development project for ensuring the timely completion of a quality game.
The intended audience is persons charged with writing or reviewing design documentation who are not new to game development but may be writing documents for the first time or are looking to improve them.
Design documents come in stages that follow the steps in the development process. In this first of a two-part series of articles, I'll describe the purpose of documentation and the benefits of guidelines and provide documentation guidelines for the first two steps in the process - writing a concept document and submitting a game proposal. In the next part, I'll provide guidelines for the functional specification, technical specification and level designs.
The Purpose of Documentation
In broad terms, the purpose of documentation is to communicate the vision in sufficient detail to implement it. It removes the awkwardness of programmers, designers and artists coming to the producers and designers and asking what they should be doing. It keeps them from programming or animating in a box, with no knowledge of how or if their work is applicable or integrates with the work of others. Thus it reduces wasted efforts and confusion.
Documentation means different things to different members of the team. To a producer, it's a bible from which he should preach. If the producer doesn't bless the design documents or make his team read them, then they are next to worthless. To a designer they are a way of fleshing out the producer's vision and providing specific details on how the game will function. The lead designer is the principle author of all the documentation with the exception of the technical specification, which is written by the senior programmer or technical director. To a programmer and artist, they are instructions for implementation; yet also a way to express their expertise in formalizing the design and list of art and coding tasks. Design documentation should be a team effort, because almost everyone on the team plays games and can make great contributions to the design.
Documentation does not remove the need for design meetings or electronic discussions. Getting people into a room or similarly getting everyone's opinion on an idea or a plan before it's fully documented is often a faster way of reaching a consensus on what's right for the game. Design documents merely express the consensus, flesh out the ideas, and eliminate the vagueness. They themselves are discussion pieces. Though they strive to cement ideas and plans, they are not carved in stone. By commenting on them and editing them, people can exchange ideas more clearly.
The Benefits of Guidelines
Adhering to specific guidelines will strongly benefit all of your projects. They eliminate the hype, increase clarity, ensure that certain procedures are followed, and make it easier to draft schedules and test plans.
Elimination of hype. Guidelines eliminate hype by forcing the designers to define the substantial elements of the game and scale back their ethereal, far-reaching pipe dreams to something doable.
Clarity and certainty. Guidelines promote clarity and certainty in the design process. They create uniformity, making documents easier to read. They also make documents easier to write, as the writers know what's expected of them.
Guidelines ensure that certain processes or procedures are followed in the development of the documentation - processes such as market research, a technical evaluation, and a deep and thorough exploration and dissemination of the vision.
Ease of drafting schedules and test plans. Design documents that follow specific guidelines are easy to translate to tasks on a schedule. The document lists the art and sound requirements for the artists and composers. It breaks up the story into distinct levels for the level designers and lists game objects that require data entry and scripting. It identifies the distinct program areas and procedures for the programmers. Lastly, it identifies game elements, features, and functions that the quality assurance team should add to its test plan.
Varying from the guidelines. The uniqueness of your project may dictate that you abandon certain guidelines and strictly adhere to others. A porting project is often a no-brainer and may not require any documentation beyond a technical specification if no changes to the design are involved. Sequels (such as Wing Commander II, III, and so on) and other known designs (such as Monopoly or poker) may not require a thorough explanation of the game mechanics, but may instead refer the readers to the existing games or design documents. Only the specifics of the particular implementation need to be documented.