DMX model

This article contains speculation that needs to be confirmed.

For sanity's sake, the data structure is expressed in pseudo-C++.

• Todo: Are names case sensitive?

class DmeModelRoot
{
	// model and skeleton point to the same object
	DmeModel*	model;
	DmeModel*	skeleton;
	DmeCombinationOperator*	combinationOperator; // flex animations only
};

class DmeCombinationOperator
{
	DmeCombinationInputControl	controls[];
	Vector		controlValues[]; // rest position...but why a 3D vector?
	Vector		controlValuesLagged[];
	bool		usesLaggedValues;
	DmeMesh*	dominators[];
	DmeMesh*	targets[]; // mesh with shapes on
};

class DmeCombinationInputControl // flex controller
{
	CUtlString	rawControlNames[];
	bool		stereo;
	bool		eyelid;
	float		wrinkleScales[];
};

class DmeModel
{
	DmeTransform*	transform; // global model transform?
	DmeAttachment*	shape; // defines
	bool			visible;
	DmeModel		children[]; // also seen with "DmeDag" elements, which seem identical to DmeModels...?
	DmeJoint		jointList[];
	DmeVertexData	BaseStates[];
	CUtlString		upAxis; // uppercase character
};

class DmeDag // purpose unclear: seen defining both bones and meshes
{
	DmeTransform*	transform;
	DmeAttachment*	shape;
	bool			visible;
	DmeDag			children[];
};

class DmeJoint // a bone
{
	DmeTransform*	transform;
	void*			shape; // only seen empty
	bool			visible;
	DmeJoint		children[];
	bool			lockInfluenceWeights;

class DmeTransform // name is of a defined model if there are children, otherwise blank
{
	Vector		position;
	Quaternion	orientation;
};

class DmeAttachment
{
	bool		visible;
	bool		IsRigid;
	bool		isWorldAligned;
};

class DmeMesh // Collection of states...suspected that there will only be more than one in a vertex animation DMX.
{
	bool				visible;

	DmeVertexData		bindState; // needs confirmation - only seen empty
	DmeVertexData*		currentState; // pointer to default baseState
	DmeVertexData		baseStates[];
	DmeVertexData		deltaStates[];

	DmeFaceSet			faceSets[];

	Vector2D			deltaStateWeights[];
	Vector2D			deltaStateWeightsLagged[];
};

// Actual model/skeleton data
class DmeVertexData
{
	CUtlString	vertexFormat[];
	int			jointCount;
	bool		flipVCoordinates;

	Vector		positions[];
	int			positionsIndicies[];

	Vector		normals[];
	int			normalsIndicies[];

	Vector2D	textureCoordinates[];
	int			textureCoordinatesIndicies[];
};

// Defines a group of faces, and associates them with a material
class DmeFaceSet
{
	DmeMaterial		material;
	int				faces[];
};

// A material reference
class DmeMaterial
{
	CUtlString		mtlName; // relative to /materials, no extension
};