protected void DrawElement(RenderElement currElem)
{
if (currElem.VertexDec != GFX.Device.VertexDeclaration)
GFX.Device.VertexDeclaration = currElem.VertexDec;
GFX.Device.Indices = currElem.IndexBuffer;
GFX.Device.Vertices[0].SetSource(currElem.VertexBuffer, 0, currElem.VertexStride);
for (int j = 0; j < currElem.Transform.Length; j += GFXShaderConstants.NUM_INSTANCES)
{
int binLength = currElem.Transform.Length - j;
if (binLength > GFXShaderConstants.NUM_INSTANCES)
binLength = GFXShaderConstants.NUM_INSTANCES;
if (currElem.IsAnimated)
binLength = 1;
if (currElem.Transform.Length > 1 && !currElem.IsAnimated)
{
// Upload transform matrices as shader constants.
Array.Copy(currElem.Transform, j, tempTransforms, 0, binLength);
GFX.Device.SetVertexShaderConstant(GFXShaderConstants.VC_WORLD, tempTransforms);
}
else
{
GFX.Device.SetVertexShaderConstant(GFXShaderConstants.VC_WORLD, currElem.Transform);
}
GFX.Device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, currElem.StartVertex, currElem.VertexCount * binLength, 0, currElem.PrimitiveCount * binLength);
}
}
public Projectile(Actor sender, string tracerEffectName, string explosionEffectName)
{
this.sender = sender;
renderElement = new RenderElement();
renderElement.IndexBuffer = GFXPrimitives.SphereGeometry.Geometry.renderElement.IndexBuffer;
renderElement.VertexBuffer = GFXPrimitives.SphereGeometry.Geometry.renderElement.VertexBuffer;
renderElement.VertexCount = GFXPrimitives.SphereGeometry.Geometry.renderElement.VertexCount;
renderElement.VertexDec = GFXPrimitives.SphereGeometry.Geometry.renderElement.VertexDec;
renderElement.VertexStride = GFXPrimitives.SphereGeometry.Geometry.renderElement.VertexStride;
renderElement.StartVertex = GFXPrimitives.SphereGeometry.Geometry.renderElement.StartVertex;
renderElement.PrimitiveCount = GFXPrimitives.SphereGeometry.Geometry.renderElement.PrimitiveCount;
projectileMaterial = ResourceManager.Inst.GetMaterial("GateMaterial");
//tracerEffect = ResourceManager.Inst.GetParticleEffect(tracerEffectName);
explosionEffect = ResourceManager.Inst.GetParticleEffect(explosionEffectName);
}
public void AddElement(Material material, RenderElement element)
{
if (!Elements.ContainsKey(material))
Elements.Add(material, new Queue<RenderElement>());
Elements[material].Enqueue(element);
}
void InitializeVoxels()
{
int voxelCountX = (DensityFieldWidth - 1) / VoxelGridSize;
int voxelCountY = (DensityFieldHeight - 1) / VoxelGridSize;
int voxelCountZ = (DensityFieldDepth - 1) / VoxelGridSize;
Voxels = new VoxelGeometry[voxelCountX * voxelCountY * voxelCountZ];
VoxelBounds = new BoundingBox[Voxels.Length];
voxelKDTree = new KDTree<VoxelElement>(VoxelCompareFunction, VoxelBoundsFunction, false, true);
Vector3 ratio = Vector3.One * 2.0f * (float)VoxelGridSize / new Vector3(DensityFieldWidth-1,DensityFieldHeight-1,DensityFieldDepth-1);
for (int z = 0; z < voxelCountZ; z++)
{
int zOff = voxelCountX * voxelCountY * z;
for (int y = 0; y < voxelCountY; y++)
{
int yOff = voxelCountX * y;
for (int x = 0; x < voxelCountX; x++)
{
int idx = x + yOff + zOff;
/*
VoxelBounds[idx] = new BoundingBox(new Vector3(x, y, z) * ratio - Vector3.One, new Vector3(x + 1, y + 1, z + 1) * ratio - Vector3.One);
VoxelBounds[idx].Min = Vector3.Transform(VoxelBounds[idx].Min, Transformation.GetTransform());
VoxelBounds[idx].Max = Vector3.Transform(VoxelBounds[idx].Max, Transformation.GetTransform());
*/
Voxels[idx] = new VoxelGeometry((ushort)idx);
Voxels[idx].renderElement.Transform = new Matrix[1] { Transformation.GetTransform() };
Vector3 geometryRatio = 2.0f*Vector3.One / new Vector3(DensityFieldWidth-1,DensityFieldHeight-1,DensityFieldDepth-1);
Voxels[idx].GenerateGeometry(ref DensityField, IsoValue, DensityFieldWidth, DensityFieldHeight, DensityFieldDepth, VoxelGridSize, VoxelGridSize, VoxelGridSize, x * VoxelGridSize, y * VoxelGridSize, z * VoxelGridSize, geometryRatio, this.Transformation.GetTransform());
VoxelBounds[idx] = MathUtils.TransformBounds(Voxels[idx].GetBounds(), Transformation.GetTransform());
if(Voxels[idx].CanRender)
voxelKDTree.AddElement(new VoxelElement(Voxels[idx], VoxelBounds[idx]), false);
}
}
}
voxelKDTree.BuildTree();
RecursivelyBuildBounds(voxelKDTree.GetRoot());
terrainQuadMaterial = ResourceManager.Inst.GetMaterial("TerrainQuadMaterial");
giantQuadElement = GFXPrimitives.Decal.GetRenderElement();
Matrix quadMatrix = Matrix.CreateScale(1.5f) * Matrix.CreateRotationX(MathHelper.Pi) * this.Transformation.GetTransform();
quadMatrix.Translation = Vector3.Up * this.Transformation.GetBounds().Min.Y;
giantQuadElement.Transform = new Matrix[1] { quadMatrix };
}
public virtual void AddElement(Material material, RenderElement element)
{
if (!Elements.ContainsKey(material))
Elements.Add(material, new CustomList<RenderElement>());
Elements[material].Add(element);
}
void InitializeRenderElement()
{
renderElement = new RenderElement();
renderElement.VertexDec = GFXVertexDeclarations.PNDec;
renderElement.VertexStride = VertexPN.SizeInBytes;
renderElement.StartVertex = 0;
}
public ScreenAlignedQuad(bool faceUp)
{
VertexPositionTexture[] verts;
if(faceUp)
{
verts = new VertexPositionTexture[]
{
new VertexPositionTexture(
new Vector3(1,0,-1),
new Vector2(1,1)),
new VertexPositionTexture(
new Vector3(-1,0,-1),
new Vector2(0,1)),
new VertexPositionTexture(
new Vector3(-1,0,1),
new Vector2(0,0)),
new VertexPositionTexture(
new Vector3(1,0,1),
new Vector2(1,0))
};
}
else
{
verts = new VertexPositionTexture[]
{
new VertexPositionTexture(
new Vector3(1,-1,0),
new Vector2(1,1)),
new VertexPositionTexture(
new Vector3(-1,-1,0),
new Vector2(0,1)),
new VertexPositionTexture(
new Vector3(-1,1,0),
new Vector2(0,0)),
new VertexPositionTexture(
new Vector3(1,1,0),
new Vector2(1,0))
};
}
vertexBuffer = new VertexBuffer(GFX.Device, verts.Length * VertexPositionTexture.SizeInBytes, BufferUsage.WriteOnly);
vertexBuffer.SetData<VertexPositionTexture>(verts);
short[] ib = new short[] { 0, 1, 2, 2, 3, 0 };
indexBuffer = new IndexBuffer(GFX.Device, sizeof(short) * ib.Length, BufferUsage.WriteOnly, IndexElementSize.SixteenBits);
indexBuffer.SetData<short>(ib);
renderElement = new RenderElement();
renderElement.IndexBuffer = indexBuffer;
renderElement.VertexBuffer = vertexBuffer;
renderElement.StartVertex = 0;
renderElement.PrimitiveCount = 2;
renderElement.IsAnimated = false;
renderElement.VertexCount = 4;
renderElement.VertexDec = GFXVertexDeclarations.PTDec;
renderElement.VertexStride = VertexPositionTexture.SizeInBytes;
CreateInstancedBuffers(verts, ib);
}
public static RenderElement CreateBillboardElement()
{
RenderElement element;
element = new RenderElement();
element.IndexBuffer = GFXPrimitives.Quad.GetInstanceIndexBuffer();
element.VertexBuffer = GFXPrimitives.Quad.GetInstanceVertexBuffer();
element.VertexCount = 4;
element.VertexDec = GFXVertexDeclarations.PTIDec;
element.VertexStride = VertexPTI.SizeInBytes;
element.StartVertex = 0;
element.IsAnimated = false;
element.PrimitiveCount = 2;
return element;
}
void CreateRenderElements()
{
renderElements = new RenderElement[materials.Count];
for (int i = 0; i < renderElements.Length; i++)
{
renderElements[i] = new RenderElement();
renderElements[i].VertexCount = 4;
renderElements[i].PrimitiveCount = 4;
renderElements[i].StartVertex = 0;
renderElements[i].VertexStride = VertexPTI.SizeInBytes;
renderElements[i].VertexDec = GFXVertexDeclarations.PTIDec;
renderElements[i].VertexBuffer = GFXPrimitives.Quad.GetInstanceVertexBuffer();
renderElements[i].IndexBuffer = GFXPrimitives.Quad.GetInstanceIndexBufferDoubleSided();
}
}
public List<RenderElement> generateGeometry(Vector3 position, int varyTreeNum)
{
cylinderTransforms = new List<Matrix>();
leafTransforms = new List<Matrix>();
Vector3 offset = Vector3.Zero;
offset.Y = -2.0f * forwardLength;
initPosition = position + offset;
maxPos = initPosition;
minPos = initPosition;
RenderElement cylinderMesh = new RenderElement();
cylinderMesh.VertexBuffer = GFXPrimitives.CylinderGeometry.GetVertexBufferInstanced();
cylinderMesh.IndexBuffer = GFXPrimitives.CylinderGeometry.GetIndexBufferInstanced();
cylinderMesh.StartVertex = 0;
cylinderMesh.VertexDec = GFXVertexDeclarations.PNTTIDec;
cylinderMesh.VertexStride = VertexPNTTI.SizeInBytes;
cylinderMesh.VertexCount = GFXPrimitives.CylinderGeometry.GetVertexCount();
cylinderMesh.PrimitiveCount = GFXPrimitives.CylinderGeometry.GetPrimitiveCount();
if (dirty)
{
result = generateResult(axiom, 0);
dirty = false;
}
// For testing:
//result = "G[+&F][-%F[+&F]]GFF@";
initRotationStack();
initTranslationStack();
for (int i = 0; i < result.Length; i++)
{
float v;
switch (result[i])
{
case SYMBOL_FORWARD_F:
drawLine();
translate();
break;
case SYMBOL_FORWARD_G:
drawLine();
translate();
break;
case SYMBOL_FORWARD_NO_DRAW_F:
translate();
break;
case SYMBOL_FORWARD_NO_DRAW_G:
translate();
break;
case SYMBOL_PITCH_DOWN:
v = vary(turnValue);
rotate(v, 0.0f, 1.0f, 0.0f);
break;
case SYMBOL_PITCH_UP:
v = vary(turnValue);
rotate(-v, 0.0f, 1.0f, 0.0f);
break;
case SYMBOL_POP_MATRIX:
popMatrix();
forwardLength = forwardLength / 0.7f;
break;
case SYMBOL_PUSH_MATRIX:
pushMatrix();
forwardLength = forwardLength * 0.7f;
break;
case SYMBOL_ROLL_LEFT:
rotate(turnValue, 1.0f, 0.0f, 0.0f);
break;
case SYMBOL_ROLL_RIGHT:
rotate(-turnValue, 1.0f, 0.0f, 0.0f);
break;
case SYMBOL_CLUSTER:
drawLeafCluster(sphereRadius);
break;
case SYMBOL_TURN_AROUND:
rotate(180.0f, 0.0f, 0.0f, 0.0f);
break;
case SYMBOL_TURN_LEFT:
rotate(-turnValue, 0.0f, 0.0f, 1.0f);
break;
case SYMBOL_TURN_RIGHT:
rotate(turnValue, 0.0f, 0.0f, 1.0f);
break;
case SYMBOL_TURN_RAND_LEFT:
v = vary(turnValue + (lineCount*40 % 360));
// float leftRotAngle = (1 + lineCount);
rotate(-v, 0.0f, 1.0f, 0.0f);
break;
case SYMBOL_TURN_RAND_RIGHT:
v = vary(turnValue + (lineCount * 40 % 360));
// float rightRotAngle = (1+ lineCount) * 10;
rotate(v, 0.0f, 1.0f, 0.0f);
break;
}
}
RenderElement leaves = new RenderElement();
leaves.StartVertex = 0;
leaves.VertexCount = 4;
leaves.PrimitiveCount = 4;
leaves.VertexDec = GFXVertexDeclarations.PTIDec;
leaves.VertexStride = VertexPTI.SizeInBytes;
leaves.VertexBuffer = GFXPrimitives.Quad.GetInstanceVertexBuffer();
leaves.IndexBuffer = GFXPrimitives.Quad.GetInstanceIndexBufferDoubleSided();
leaves.Transform = leafTransforms.ToArray();
cylinderMesh.Transform = cylinderTransforms.ToArray();
List<RenderElement> elements = new List<RenderElement>();
elements.Add(cylinderMesh);
elements.Add(leaves);
return elements;
}
public Imposter(Mesh mesh)
{
Element = new RenderElement();
Element.IndexBuffer = GFXPrimitives.ImposterGeometry.GetInstanceIndexBuffer();
Element.IsAnimated = false;
Element.PrimitiveCount = 8;
Element.StartVertex = 0;
Element.VertexBuffer = GFXPrimitives.ImposterGeometry.GetInstanceVertexBuffer();
Element.VertexCount = 16;
Element.VertexDec = GFXVertexDeclarations.PTIDec;
Element.VertexStride = VertexPTI.SizeInBytes;
//GFXPrimitives.CreateBillboardElement();
ImposterMaterial = new Material();
Vector3 scale = (mesh.GetBounds().Max - mesh.GetBounds().Min);
Scale = Matrix.CreateScale(scale);
}
