//VertexPositionColorTexture - 4 bytes x 3 (x,y,z) + 4 bytes x 3 (r,g,b) + 4bytes x 2 = 26 bytes
//VertexPositionColor - 4 bytes x 3 (x,y,z) + 4 bytes x 3 (r,g,b) = 24 bytes
private void InitHelpers()
{
//to do...add wireframe origin
PrimitiveType primitiveType;
int primitiveCount;
//step 1 - vertices
VertexPositionColor[] vertices = VertexFactory.GetVerticesPositionColorOriginHelper(
out primitiveType, out primitiveCount);
//step 2 - make vertex data that provides Draw()
IVertexData vertexData = new VertexData <VertexPositionColor>(vertices,
primitiveType, primitiveCount);
//step 3 - make the primitive object
Transform3D transform3D = new Transform3D(new Vector3(0, 20, 0),
Vector3.Zero, new Vector3(10, 10, 10),
Vector3.UnitZ, Vector3.UnitY);
EffectParameters effectParameters = new EffectParameters(this.unlitWireframeEffect,
null, Color.White, 1);
//at this point, we're ready!
PrimitiveObject primitiveObject = new PrimitiveObject("origin helper",
ActorType.Helper, StatusType.Drawn, transform3D, effectParameters, vertexData);
this.objectManager.Add(primitiveObject);
}
//used to make a collidable primitives from an existing PrimitiveObject (i.e. the type returned by the PrimitiveFactory
public CollidablePrimitiveObject(PrimitiveObject primitiveObject, ICollisionPrimitive collisionPrimitive, ObjectManager objectManager)
: base(primitiveObject.ID, primitiveObject.ActorType, primitiveObject.Transform, primitiveObject.EffectParameters,
primitiveObject.StatusType, primitiveObject.VertexData)
{
this.collisionPrimitive = collisionPrimitive;
//unusual to pass this in but we use it to test for collisions - see Update();
this.objectManager = objectManager;
}
private void InitGround()
{
//grass
primitiveObject = this.archetypalTexturedQuad.Clone() as PrimitiveObject;
primitiveObject.ID = "grass";
primitiveObject.EffectParameters.Texture = this.grass;
primitiveObject.Transform3D.Scale = new Vector3(worldScale, worldScale, 1);
primitiveObject.Transform3D.RotationInDegrees = new Vector3(90, 90, 0);
this.objectManager.Add(primitiveObject);
}
//used to make a player collidable primitives from an existing PrimitiveObject (i.e. the type returned by the PrimitiveFactory
public PlayerCollidablePrimitiveObject(PrimitiveObject primitiveObject, ICollisionPrimitive collisionPrimitive,
ManagerParameters managerParameters, Keys[] moveKeys, float moveSpeed, float rotationSpeed)
: base(primitiveObject, collisionPrimitive, managerParameters.ObjectManager)
{
this.moveKeys = moveKeys;
this.moveSpeed = moveSpeed;
this.rotationSpeed = rotationSpeed;
//for input
this.managerParameters = managerParameters;
}
//draw a NON-TEXTURED primitive i.e. vertices (and possibly indices) defined by the user
private void DrawObject(GameTime gameTime, PrimitiveObject primitiveObject, Camera3D activeCamera)
{
if (activeCamera.BoundingFrustum.Intersects(primitiveObject.BoundingSphere))
{
primitiveObject.EffectParameters.SetParameters(activeCamera);
primitiveObject.EffectParameters.SetWorld(primitiveObject.GetWorldMatrix());
primitiveObject.VertexData.Draw(gameTime, primitiveObject.EffectParameters.Effect);
#if DEBUG
debugDrawCount++;
#endif
}
}
//draw a NON-TEXTURED primitive i.e. vertices (and possibly indices) defined by the user
private void DrawObject(GameTime gameTime, PrimitiveObject primitiveObject)
{
BasicEffect effect = primitiveObject.Effect as BasicEffect;
//W, V, P, Apply, Draw
effect.World = primitiveObject.GetWorldMatrix();
effect.View = (this.Game as Main).CameraManager.ActiveCamera.View;
effect.Projection = (this.Game as Main).CameraManager.ActiveCamera.ProjectionParameters.Projection;
effect.DiffuseColor = primitiveObject.Color.ToVector3();
effect.Alpha = primitiveObject.Alpha;
effect.CurrentTechnique.Passes[0].Apply();
primitiveObject.VertexData.Draw(gameTime, effect);
}
private void InitSkybox()
{
//back
primitiveObject = this.archetypalTexturedQuad.Clone() as PrimitiveObject;
// primitiveObject.StatusType = StatusType.Off; //Experiment of the effect of StatusType
primitiveObject.ID = "sky back";
primitiveObject.EffectParameters.Texture = this.backSky;
primitiveObject.Transform3D.Scale = new Vector3(worldScale, worldScale, 1);
primitiveObject.Transform3D.Translation = new Vector3(0, 0, -worldScale / 2.0f);
this.objectManager.Add(primitiveObject);
//left
primitiveObject = this.archetypalTexturedQuad.Clone() as PrimitiveObject;
primitiveObject.ID = "left back";
primitiveObject.EffectParameters.Texture = this.leftSky;
primitiveObject.Transform3D.Scale = new Vector3(worldScale, worldScale, 1);
primitiveObject.Transform3D.RotationInDegrees = new Vector3(0, 90, 0);
primitiveObject.Transform3D.Translation = new Vector3(-worldScale / 2.0f, 0, 0);
this.objectManager.Add(primitiveObject);
//right
primitiveObject = this.archetypalTexturedQuad.Clone() as PrimitiveObject;
primitiveObject.ID = "sky right";
primitiveObject.EffectParameters.Texture = this.rightSky;
primitiveObject.Transform3D.Scale = new Vector3(worldScale, worldScale, 20);
primitiveObject.Transform3D.RotationInDegrees = new Vector3(0, -90, 0);
primitiveObject.Transform3D.Translation = new Vector3(worldScale / 2.0f, 0, 0);
this.objectManager.Add(primitiveObject);
//top
primitiveObject = this.archetypalTexturedQuad.Clone() as PrimitiveObject;
primitiveObject.ID = "sky top";
primitiveObject.EffectParameters.Texture = this.topSky;
primitiveObject.Transform3D.Scale = new Vector3(worldScale, worldScale, 1);
primitiveObject.Transform3D.RotationInDegrees = new Vector3(90, -90, 0);
primitiveObject.Transform3D.Translation = new Vector3(0, worldScale / 2.0f, 0);
this.objectManager.Add(primitiveObject);
//to do...front
primitiveObject = this.archetypalTexturedQuad.Clone() as PrimitiveObject;
primitiveObject.ID = "sky front";
primitiveObject.EffectParameters.Texture = this.frontSky;
primitiveObject.Transform3D.Scale = new Vector3(worldScale, worldScale, 1);
primitiveObject.Transform3D.RotationInDegrees = new Vector3(0, 180, 0);
primitiveObject.Transform3D.Translation = new Vector3(0, 0, worldScale / 2.0f);
this.objectManager.Add(primitiveObject);
}
protected PrimitiveObject GetPrimitiveObjectFromVertexData(IVertexData vertexData, ShapeType shapeType, EffectParameters effectParameters)
{
//instanicate the object
PrimitiveObject primitiveObject = new PrimitiveObject("Archetype - " + shapeType.ToString(),
ActorType.NotYetAssigned,
Transform3D.Zero,
effectParameters.Clone() as EffectParameters,
StatusType.Update | StatusType.Drawn,
vertexData);
//add to the dictionary for re-use in any subsequent call to this method
primitiveDictionary.Add(shapeType, primitiveObject);
//return a reference to a CLONE of our original object - remember we always clone the dictionary object, rather than modify the archetype in the dictionary
return(primitiveObject.Clone() as PrimitiveObject);
}
private void InitPrimitiveArchetypes() //formerly InitTexturedQuad
{
Transform3D transform3D = new Transform3D(Vector3.Zero, Vector3.Zero,
Vector3.One, Vector3.UnitZ, Vector3.UnitY);
EffectParameters effectParameters = new EffectParameters(this.unlitTexturedEffect,
this.grass, /*bug*/ Color.White, 1);
IVertexData vertexData = new VertexData <VertexPositionColorTexture>(
this.vertices, PrimitiveType.TriangleStrip, 2);
this.archetypalTexturedQuad = new PrimitiveObject("original texture quad",
ActorType.Decorator,
StatusType.Update | StatusType.Drawn,
transform3D, effectParameters, vertexData);
}
public new object Clone()
{
PrimitiveObject actor = new PrimitiveObject("clone - " + ID, //deep
this.ActorType, //deep
(Transform3D)this.Transform.Clone(), //deep
(EffectParameters)this.EffectParameters.Clone(), //deep
this.StatusType, //deep
this.vertexData); //shallow - its ok if objects refer to the same vertices
if (this.ControllerList != null)
{
//clone each of the (behavioural) controllers
foreach (IController controller in this.ControllerList)
{
actor.AttachController((IController)controller.Clone());
}
}
return(actor);
}