/// <summary>
/// draws the registered sprite objects by using the sprite batch.
/// </summary>
/// <param name="renderTracer"></param>
protected override void OnDraw(RenderTracer renderTracer)
{
if (TextureResource == null)
{
throw new InvalidOperationException("The texture is empty");
}
else if (TextureResource.IsDisposed)
{
throw new ObjectDisposedException("TextureResource");
}
for (int i = 0; i < spriteList.Count; i++)
{
Sprite2DObject sprite = spriteList[i];
if (sprite != null)
{
// If active visible
if (sprite.Visible)
{
renderTracer.SpriteBatch.Draw(TextureResource,
sprite.ScreenRectangle, sprite.SourceRectangle,
sprite.Color);
}
}
}
}
/// <summary>
/// draw up in order every scene node when before drawing and draw scene.
/// </summary>
protected void DrawSort(RenderTracer renderTracer, bool ascending)
{
int nodeCount = 0;
// fill in sort array.
for (int i = 0; i < ChildCount; i++)
{
GameSceneNode child = GetChild(i) as GameSceneNode;
if (child.Visible)
{
Matrix modelView = child.TransformedMatrix * renderTracer.View;
sortArray[nodeCount].node = child;
sortArray[nodeCount].depth = modelView.Translation.Length();
nodeCount++;
}
}
// draw every scene node using quick sort algorithm.
QuickSort(ref sortArray, 0, nodeCount - 1, ascending);
// draw every sorted node in array.
for (int i = 0; i < nodeCount; i++)
{
sortArray[i].node.Draw(renderTracer);
sortArray[i].Clear();
}
}
public RenderingCustomEffectEventArgs(RenderTracer renderTracer,
ModelMesh mesh, Effect effect, Matrix world)
: base()
{
this.renderTracer = renderTracer;
this.mesh = mesh;
this.effect = effect;
this.world = world;
}
/// <summary>
/// draws string on screens by using the information stored in TextItem.
/// Internally, the sprite batch’s Begin() function and the End() function
/// are not called.
/// </summary>
/// <param name="renderTracer"></param>
protected override void OnDraw(RenderTracer renderTracer)
{
renderTracer.SpriteBatch.DrawString(this.textItem.Font,
this.textItem.Text,
new Vector2(this.textItem.PosX,
this.textItem.PosY),
this.textItem.Color,
this.textItem.Rotation,
Vector2.Zero,
this.textItem.Scale,
SpriteEffects.None,
1.0f);
}
/// <summary>
/// It draws itself and child nodes.
/// When "Visible" is set to false, it will not get executed.
/// </summary>
public virtual void Draw(RenderTracer renderTracer)
{
// If not set to visible, it will not draw.
if (Visible)
{
switch (orderWhenDraw)
{
case DrawOrderType.None:
{
// Draw itself
OnDraw(renderTracer);
// Draw each child node
if (childList != null)
{
for (int i = 0; i < childList.Count; i++)
{
GameSceneNode gameSceneNode =
childList[i] as GameSceneNode;
if ((gameSceneNode != null) &&
gameSceneNode.Visible)
{
gameSceneNode.Draw(renderTracer);
}
}
}
}
break;
case DrawOrderType.Ascending:
{
// draw up in order
DrawSort(renderTracer, true);
}
break;
case DrawOrderType.Descending:
{
// draw up in order
DrawSort(renderTracer, false);
}
break;
}
}
}
/// <summary>
/// draws a 3D quad.
/// </summary>
/// <param name="renderTracer"></param>
protected override void OnDraw(RenderTracer renderTracer)
{
World = this.TransformedMatrix;
View = renderTracer.View;
Projection = renderTracer.Projection;
renderTracer.Device.VertexDeclaration = vertexDecl;
renderTracer.Device.RenderState.AlphaTestEnable = alphaTestEnable;
renderTracer.Device.RenderState.AlphaBlendEnable = alphaBlendEnable;
renderTracer.Device.RenderState.AlphaFunction = alphaFunction;
renderTracer.Device.RenderState.SourceBlend = sourceBlend;
renderTracer.Device.RenderState.DestinationBlend = destinationBlend;
renderTracer.Device.RenderState.BlendFunction = blendFunction;
renderTracer.Device.RenderState.ReferenceAlpha = referenceAlpha;
renderTracer.Device.RenderState.DepthBufferEnable = depthBufferEnable;
renderTracer.Device.RenderState.DepthBufferWriteEnable =
depthBufferWriteEnable;
renderTracer.Device.RenderState.DepthBufferFunction = depthBufferFunction;
renderTracer.Device.RenderState.CullMode = cullMode;
GraphicsDevice device = renderTracer.Device;
effect.Begin();
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Begin();
device.DrawUserIndexedPrimitives <VertexPositionNormalTexture>(
PrimitiveType.TriangleList, this.vertices, 0, 4, this.indices, 0, 2);
pass.End();
}
effect.End();
}
/// <summary>
/// draws the registered sprite objects by using the sprite batch.
/// </summary>
/// <param name="renderTracer"></param>
protected override void OnDraw(RenderTracer renderTracer)
{
if (TextureResource == null)
throw new InvalidOperationException("The texture is empty");
else if (TextureResource.IsDisposed )
throw new ObjectDisposedException("TextureResource");
for (int i = 0; i < spriteList.Count; i++)
{
Sprite2DObject sprite = spriteList[i];
if (sprite != null)
{
// If active visible
if (sprite.Visible )
{
renderTracer.SpriteBatch.Draw(TextureResource,
sprite.ScreenRectangle, sprite.SourceRectangle,
sprite.Color);
}
}
}
}
/// <summary>
/// updates the vertex data and draws
/// It always looks at the view matrix at the center between
/// the begin point and the end point of the billboard.
/// </summary>
/// <param name="renderTracer">render information</param>
protected override void OnDraw(RenderTracer renderTracer)
{
int count = 0;
for (int i = 0; i < objectCount; i++)
{
if (billboardList[i].Enable == false) continue;
count++;
}
if (count == 0) return;
PrimitiveCount = count * 2;
UpdateVertexCount = objectCount * vertexStride;
// needs to update?
if (renderTracer.View != lastViewMatrix)
{
needToUpdate = true;
this.lastViewMatrix = renderTracer.View;
}
if (alwaysUpdate || needToUpdate)
{
int vertexOffset = 0;
int indexOffset = 0;
// calculates inverse view matrix.
Matrix billboardMatrix = this.TransformedMatrix * renderTracer.View;
billboardMatrix = Helper3D.Transpose(billboardMatrix);
// gets inverse view direction.
Vector3 invertViewAt = billboardMatrix.Forward;
invertViewAt.Normalize();
for (int i = 0; i < objectCount; i++)
{
BillboardObject obj = billboardList[i];
if (obj.Enable == false) continue;
Vector3 vec = Vector3.Zero;
Vector3 dir = Vector3.Zero;
dir = obj.End - obj.Start;
dir.Normalize();
Vector3.Cross(ref dir, ref invertViewAt, out vec);
vec.Normalize();
// updates vertex positions.
SetBufferPosition(ref vertexData, obj, vertexOffset, vec);
// updates texture coordinates.
SetBufferTextureCoord(ref vertexData, obj, vertexOffset,
renderingSpace);
// updates vertex colors.
SetBufferColor(ref vertexData, obj, vertexOffset);
indexData[indexOffset + 0] = (short)(vertexOffset + 0);
indexData[indexOffset + 1] = (short)(vertexOffset + 2);
indexData[indexOffset + 2] = (short)(vertexOffset + 1);
indexData[indexOffset + 3] = (short)(vertexOffset + 1);
indexData[indexOffset + 4] = (short)(vertexOffset + 2);
indexData[indexOffset + 5] = (short)(vertexOffset + 3);
vertexOffset += vertexStride;
indexOffset += indexStride;
}
if (userPrimitive == false)
{
// binds the vertex buffer.
BindVertexBuffer();
// binds the index buffer.
BindIndexBuffer();
}
if (needToUpdate)
needToUpdate = false;
}
// draws mesh
base.OnDraw(renderTracer);
}
protected override void OnDraw(RenderTracer renderTracer)
{
RenderState renderState = renderTracer.Device.RenderState;
// Transform culling sphere
if (enableCulling)
{
cullingSphere.Center = Vector3.Transform(cullingSphereLocalCenter,
RootAxis * Collide.TransformMatrix);
// Check if the the model is contained inside or intersecting
// with the frustum.
ContainmentType cullingResult =
renderTracer.Frustum.Contains(cullingSphere);
// Draw a the model If inside in the frustum
if (cullingResult == ContainmentType.Disjoint)
{
return;
}
}
renderState.AlphaTestEnable = alphaTestEnable;
renderState.AlphaBlendEnable = alphaBlendEnable;
renderState.AlphaFunction = alphaFunction;
renderState.SourceBlend = sourceBlend;
renderState.DestinationBlend = destinationBlend;
renderState.BlendFunction = blendFunction;
renderState.ReferenceAlpha = referenceAlpha;
renderState.DepthBufferEnable = depthBufferEnable;
renderState.DepthBufferWriteEnable = depthBufferWriteEnable;
renderState.DepthBufferFunction = depthBufferFunction;
renderState.CullMode = cullMode;
// Draw the model.
for (int i = 0; i < ModelData.model.Meshes.Count; i++)
{
ModelMesh mesh = ModelData.model.Meshes[i];
for (int j = 0; j < mesh.Effects.Count; j++)
{
// call a entried custom effect processing
if (RenderingCustomEffect != null)
{
// Shader custom processing
RenderingCustomEffect(this,
new RenderingCustomEffectEventArgs(renderTracer, mesh,
mesh.Effects[j], BoneTransforms[mesh.ParentBone.Index]));
}
else if (mesh.Effects[j] is BasicEffect)
{
BasicEffect effect = (BasicEffect)mesh.Effects[j];
// Apply fog
if (renderTracer.Fog != null && ActiveFog)
{
RenderFog fog = renderTracer.Fog;
effect.FogEnabled = fog.enabled;
if (effect.FogEnabled)
{
effect.FogStart = fog.start;
effect.FogEnd = fog.end;
effect.FogColor = fog.color.ToVector3();
}
}
else
{
effect.FogEnabled = false;
}
if (ActiveLighting)
{
// Apply lighting
if (renderTracer.Lighting != null)
{
RenderLighting lighting = renderTracer.Lighting;
effect.LightingEnabled = lighting.enabled;
if (effect.LightingEnabled)
{
effect.AmbientLightColor =
lighting.ambientColor.ToVector3();
effect.DirectionalLight0.Enabled = true;
effect.DirectionalLight0.Direction =
lighting.direction;
effect.DirectionalLight0.DiffuseColor =
lighting.diffuseColor.ToVector3();
effect.DirectionalLight0.SpecularColor =
lighting.specularColor.ToVector3();
}
}
if (Lighting != null)
{
effect.LightingEnabled = true;
for (int cnt = 0; cnt < Lighting.Length; cnt++)
{
RenderLighting lighting = Lighting[cnt];
BasicDirectionalLight basicLight = null;
if (cnt == 0)
{
basicLight = effect.DirectionalLight1;
}
else if (cnt == 1)
{
basicLight = effect.DirectionalLight2;
}
else
{
continue;
}
if (lighting.enabled)
{
basicLight.Enabled = true;
basicLight.Direction =
lighting.direction;
basicLight.DiffuseColor =
lighting.diffuseColor.ToVector3();
basicLight.SpecularColor =
lighting.specularColor.ToVector3();
}
else
{
basicLight.Enabled = false;
}
}
}
if (renderTracer.Lighting == null && Lighting == null)
{
effect.LightingEnabled = false;
}
// Apply material
if (Material != null)
{
effect.Alpha = Material.alpha;
effect.DiffuseColor =
Material.diffuseColor.ToVector3();
effect.SpecularColor =
Material.specularColor.ToVector3();
effect.SpecularPower =
Material.specularPower;
effect.EmissiveColor =
Material.emissiveColor.ToVector3();
effect.VertexColorEnabled =
Material.vertexColorEnabled;
effect.PreferPerPixelLighting =
Material.preferPerPixelLighting;
}
}
else
{
effect.LightingEnabled = false;
}
// Apply transform
effect.World = BoneTransforms[mesh.ParentBone.Index];
effect.View = renderTracer.View;
effect.Projection = renderTracer.Projection;
}
}
mesh.Draw();
}
}
public RenderingCustomEffectEventArgs(RenderTracer renderTracer,
ModelMesh mesh, Effect effect, Matrix world)
: base()
{
this.renderTracer = renderTracer;
this.mesh = mesh;
this.effect = effect;
this.world = world;
}
/// <summary>
/// the mesh is drawn by using the vertexData.
/// When the userPrimitive member is set to true,
/// it is drawn without using the vertex buffer and the index buffer.
/// </summary>
/// <param name="renderTracer"></param>
protected override void OnDraw(RenderTracer renderTracer)
{
GraphicsDevice device = renderTracer.Device;
RenderState renderState = device.RenderState;
basicEffect.Texture = this.textureResource;
basicEffect.World = this.TransformedMatrix;
basicEffect.View = renderTracer.View;
basicEffect.Projection = renderTracer.Projection;
basicEffect.LightingEnabled = false;
device.VertexDeclaration = vertexDeclaration;
device.SamplerStates[0].AddressU = TextureAddressMode.Wrap;
device.SamplerStates[0].AddressV = TextureAddressMode.Wrap;
device.SamplerStates[0].MinFilter = TextureFilter.Linear;
device.SamplerStates[0].MagFilter = TextureFilter.Linear;
device.SamplerStates[0].MipFilter = TextureFilter.Point;
renderState.AlphaTestEnable = alphaTestEnable;
renderState.AlphaBlendEnable = alphaBlendEnable;
renderState.AlphaFunction = alphaFunction;
renderState.SourceBlend = sourceBlend;
renderState.DestinationBlend = destinationBlend;
renderState.BlendFunction = blendFunction;
renderState.ReferenceAlpha = referenceAlpha;
renderState.DepthBufferEnable = depthBufferEnable;
renderState.DepthBufferWriteEnable = depthBufferWriteEnable;
renderState.DepthBufferFunction = depthBufferFunction;
renderState.CullMode = cullMode;
basicEffect.Begin();
for (int i = 0; i < basicEffect.CurrentTechnique.Passes.Count; i++)
{
EffectPass pass = basicEffect.CurrentTechnique.Passes[i];
pass.Begin();
if (userPrimitive)
{
// Use index?
if (indexData != null)
{
// only use vertex and index data
device.DrawUserIndexedPrimitives <VertexPositionColorTexture>(
PrimitiveType.TriangleList,
vertexData,
0,
vertexData.Length,
indexData,
0,
this.primitiveCount);
}
else
{
device.DrawUserPrimitives <VertexPositionColorTexture>(
PrimitiveType.TriangleList,
vertexData,
0,
this.primitiveCount);
}
}
else
{
// Use vertex buffer
device.Vertices[0].SetSource(vertexBuffer,
0,
VertexPositionColorTexture.SizeInBytes);
// Use index?
if (indexBuffer != null)
{
// Use index buffer
device.Indices = indexBuffer;
device.DrawIndexedPrimitives(PrimitiveType.TriangleList,
0,
0,
updateVertexCount,
0,
this.primitiveCount);
}
else
{
device.DrawPrimitives(PrimitiveType.TriangleList,
0,
this.primitiveCount);
}
}
pass.End();
}
basicEffect.End();
device.RenderState.DepthBufferWriteEnable = true;
}
/// <summary>
/// draws string on screens by using the information stored in TextItem.
/// Internally, the sprite batch’s Begin() function and the End() function
/// are not called.
/// </summary>
/// <param name="renderTracer"></param>
protected override void OnDraw(RenderTracer renderTracer)
{
renderTracer.SpriteBatch.DrawString(this.textItem.Font,
this.textItem.Text,
new Vector2(this.textItem.PosX,
this.textItem.PosY),
this.textItem.Color,
this.textItem.Rotation,
Vector2.Zero,
this.textItem.Scale,
SpriteEffects.None,
1.0f);
}
protected override void OnDraw(RenderTracer renderTracer)
{
base.OnDraw(renderTracer);
}
/// <summary>
/// draws a 3D quad.
/// </summary>
/// <param name="renderTracer"></param>
protected override void OnDraw(RenderTracer renderTracer)
{
World = this.TransformedMatrix;
View = renderTracer.View;
Projection = renderTracer.Projection;
renderTracer.Device.VertexDeclaration = vertexDecl;
renderTracer.Device.RenderState.AlphaTestEnable = alphaTestEnable;
renderTracer.Device.RenderState.AlphaBlendEnable = alphaBlendEnable;
renderTracer.Device.RenderState.AlphaFunction = alphaFunction;
renderTracer.Device.RenderState.SourceBlend = sourceBlend;
renderTracer.Device.RenderState.DestinationBlend = destinationBlend;
renderTracer.Device.RenderState.BlendFunction = blendFunction;
renderTracer.Device.RenderState.ReferenceAlpha = referenceAlpha;
renderTracer.Device.RenderState.DepthBufferEnable = depthBufferEnable;
renderTracer.Device.RenderState.DepthBufferWriteEnable =
depthBufferWriteEnable;
renderTracer.Device.RenderState.DepthBufferFunction = depthBufferFunction;
renderTracer.Device.RenderState.CullMode = cullMode;
GraphicsDevice device = renderTracer.Device;
effect.Begin();
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Begin();
device.DrawUserIndexedPrimitives<VertexPositionNormalTexture>(
PrimitiveType.TriangleList, this.vertices, 0, 4, this.indices, 0, 2);
pass.End();
}
effect.End();
}
/// <summary>
/// When Draw() function is executed, it will be called automatically.
/// It gets overridden and defined externally.
/// When the parent is called, the child also gets called.
/// </summary>
protected virtual void OnDraw(RenderTracer renderTracer)
{
}
/// <summary>
/// updates the vertex data and draws
/// </summary>
/// <param name="renderTracer">render information</param>
protected override void OnDraw(RenderTracer renderTracer)
{
int objectCount = 0;
for (int i = 0; i < this.count; i++)
{
if (spriteList[i].Enable == false) continue;
objectCount++;
}
if (objectCount == 0) return;
PrimitiveCount = objectCount * 2;
UpdateVertexCount = this.count * vertexStride;
// needs to update?
if (renderTracer.View != lastViewMatrix)
{
needToUpdate = true;
this.lastViewMatrix = renderTracer.View;
}
if (alwaysUpdate || needToUpdate)
{
int vertexOffset = 0;
int indexOffset = 0;
for (int i = 0; i < this.count; i++)
{
Sprite3DObject obj = spriteList[i];
if (obj.Enable == false) continue;
// rotates the paticle by z-axis. (Sprite3D can rotate)
Matrix transformMatrix = Matrix.CreateRotationZ(obj.Rotation) *
Helper3D.Transpose(
this.TransformedMatrix * renderTracer.View);
// updates vertex positions.
SetBufferPosition(ref vertexData, obj, vertexOffset,
transformMatrix, this.renderingSpace);
// updates texture coordinates.
SetBufferTextureCoord(ref vertexData, obj, vertexOffset,
this.renderingSpace);
// updates vertex colors.
SetBufferColor(ref vertexData, obj, vertexOffset);
indexData[indexOffset + 0] = (short)(vertexOffset + 0);
indexData[indexOffset + 1] = (short)(vertexOffset + 2);
indexData[indexOffset + 2] = (short)(vertexOffset + 1);
indexData[indexOffset + 3] = (short)(vertexOffset + 1);
indexData[indexOffset + 4] = (short)(vertexOffset + 2);
indexData[indexOffset + 5] = (short)(vertexOffset + 3);
vertexOffset += vertexStride;
indexOffset += indexStride;
}
if (userPrimitive == false)
{
// binds the vertex buffer.
BindVertexBuffer();
// binds the index buffer.
BindIndexBuffer();
}
if (needToUpdate)
needToUpdate = false;
}
// draws mesh
base.OnDraw(renderTracer);
}
protected override void OnDraw(RenderTracer renderTracer)
{
base.OnDraw(renderTracer);
}
/// <summary>
/// updates the vertex data and draws
/// It always looks at the view matrix at the center between
/// the begin point and the end point of the billboard.
/// </summary>
/// <param name="renderTracer">render information</param>
protected override void OnDraw(RenderTracer renderTracer)
{
int count = 0;
for (int i = 0; i < objectCount; i++)
{
if (billboardList[i].Enable == false)
{
continue;
}
count++;
}
if (count == 0)
{
return;
}
PrimitiveCount = count * 2;
UpdateVertexCount = objectCount * vertexStride;
// needs to update?
if (renderTracer.View != lastViewMatrix)
{
needToUpdate = true;
this.lastViewMatrix = renderTracer.View;
}
if (alwaysUpdate || needToUpdate)
{
int vertexOffset = 0;
int indexOffset = 0;
// calculates inverse view matrix.
Matrix billboardMatrix = this.TransformedMatrix * renderTracer.View;
billboardMatrix = Helper3D.Transpose(billboardMatrix);
// gets inverse view direction.
Vector3 invertViewAt = billboardMatrix.Forward;
invertViewAt.Normalize();
for (int i = 0; i < objectCount; i++)
{
BillboardObject obj = billboardList[i];
if (obj.Enable == false)
{
continue;
}
Vector3 vec = Vector3.Zero;
Vector3 dir = Vector3.Zero;
dir = obj.End - obj.Start;
dir.Normalize();
Vector3.Cross(ref dir, ref invertViewAt, out vec);
vec.Normalize();
// updates vertex positions.
SetBufferPosition(ref vertexData, obj, vertexOffset, vec);
// updates texture coordinates.
SetBufferTextureCoord(ref vertexData, obj, vertexOffset,
renderingSpace);
// updates vertex colors.
SetBufferColor(ref vertexData, obj, vertexOffset);
indexData[indexOffset + 0] = (short)(vertexOffset + 0);
indexData[indexOffset + 1] = (short)(vertexOffset + 2);
indexData[indexOffset + 2] = (short)(vertexOffset + 1);
indexData[indexOffset + 3] = (short)(vertexOffset + 1);
indexData[indexOffset + 4] = (short)(vertexOffset + 2);
indexData[indexOffset + 5] = (short)(vertexOffset + 3);
vertexOffset += vertexStride;
indexOffset += indexStride;
}
if (userPrimitive == false)
{
// binds the vertex buffer.
BindVertexBuffer();
// binds the index buffer.
BindIndexBuffer();
}
if (needToUpdate)
{
needToUpdate = false;
}
}
// draws mesh
base.OnDraw(renderTracer);
}
protected override void OnDraw(RenderTracer renderTracer)
{
RenderState renderState = renderTracer.Device.RenderState;
// Transform culling sphere
if (enableCulling )
{
cullingSphere.Center = Vector3.Transform(cullingSphereLocalCenter,
RootAxis * Collide.TransformMatrix);
// Check if the the model is contained inside or intersecting
// with the frustum.
ContainmentType cullingResult =
renderTracer.Frustum.Contains(cullingSphere);
// Draw a the model If inside in the frustum
if (cullingResult == ContainmentType.Disjoint)
return;
}
renderState.AlphaTestEnable = alphaTestEnable;
renderState.AlphaBlendEnable = alphaBlendEnable;
renderState.AlphaFunction = alphaFunction;
renderState.SourceBlend = sourceBlend;
renderState.DestinationBlend = destinationBlend;
renderState.BlendFunction = blendFunction;
renderState.ReferenceAlpha = referenceAlpha;
renderState.DepthBufferEnable = depthBufferEnable;
renderState.DepthBufferWriteEnable = depthBufferWriteEnable;
renderState.DepthBufferFunction = depthBufferFunction;
renderState.CullMode = cullMode;
// Draw the model.
for( int i = 0; i < ModelData.model.Meshes.Count; i++)
{
ModelMesh mesh = ModelData.model.Meshes[i];
for (int j = 0; j < mesh.Effects.Count; j++)
{
// call a entried custom effect processing
if (RenderingCustomEffect != null)
{
// Shader custom processing
RenderingCustomEffect(this,
new RenderingCustomEffectEventArgs(renderTracer, mesh,
mesh.Effects[j], BoneTransforms[mesh.ParentBone.Index]));
}
else if (mesh.Effects[j] is BasicEffect)
{
BasicEffect effect = (BasicEffect)mesh.Effects[j];
// Apply fog
if (renderTracer.Fog != null && ActiveFog )
{
RenderFog fog = renderTracer.Fog;
effect.FogEnabled = fog.enabled;
if (effect.FogEnabled )
{
effect.FogStart = fog.start;
effect.FogEnd = fog.end;
effect.FogColor = fog.color.ToVector3();
}
}
else
{
effect.FogEnabled = false;
}
if (ActiveLighting )
{
// Apply lighting
if (renderTracer.Lighting != null)
{
RenderLighting lighting = renderTracer.Lighting;
effect.LightingEnabled = lighting.enabled;
if (effect.LightingEnabled )
{
effect.AmbientLightColor =
lighting.ambientColor.ToVector3();
effect.DirectionalLight0.Enabled = true;
effect.DirectionalLight0.Direction =
lighting.direction;
effect.DirectionalLight0.DiffuseColor =
lighting.diffuseColor.ToVector3();
effect.DirectionalLight0.SpecularColor =
lighting.specularColor.ToVector3();
}
}
if (Lighting != null)
{
effect.LightingEnabled = true;
for (int cnt = 0; cnt < Lighting.Length; cnt++)
{
RenderLighting lighting = Lighting[cnt];
BasicDirectionalLight basicLight = null;
if (cnt == 0)
basicLight = effect.DirectionalLight1;
else if (cnt == 1)
basicLight = effect.DirectionalLight2;
else
continue;
if (lighting.enabled )
{
basicLight.Enabled = true;
basicLight.Direction =
lighting.direction;
basicLight.DiffuseColor =
lighting.diffuseColor.ToVector3();
basicLight.SpecularColor =
lighting.specularColor.ToVector3();
}
else
{
basicLight.Enabled = false;
}
}
}
if (renderTracer.Lighting == null && Lighting == null)
{
effect.LightingEnabled = false;
}
// Apply material
if (Material != null)
{
effect.Alpha = Material.alpha;
effect.DiffuseColor =
Material.diffuseColor.ToVector3();
effect.SpecularColor =
Material.specularColor.ToVector3();
effect.SpecularPower =
Material.specularPower;
effect.EmissiveColor =
Material.emissiveColor.ToVector3();
effect.VertexColorEnabled =
Material.vertexColorEnabled;
effect.PreferPerPixelLighting =
Material.preferPerPixelLighting;
}
}
else
{
effect.LightingEnabled = false;
}
// Apply transform
effect.World = BoneTransforms[mesh.ParentBone.Index];
effect.View = renderTracer.View;
effect.Projection = renderTracer.Projection;
}
}
mesh.Draw();
}
}
/// <summary>
/// It calls Drive() function by using the data of the ParticleInfo to update
/// the information of each ParticleObject’s position, rotation, and scale.
/// </summary>
/// <param name="renderTracer">render information in the RenderContext</param>
protected override void OnDraw(RenderTracer renderTracer)
{
// Update particle info
Drive(renderTracer);
}
/// <summary>
/// updates the vertex data and draws
/// </summary>
/// <param name="renderTracer">render information</param>
protected override void OnDraw(RenderTracer renderTracer)
{
int objectCount = 0;
for (int i = 0; i < this.count; i++)
{
if (pointSpriteList[i].Enable == false)
{
continue;
}
objectCount++;
}
if (objectCount == 0)
{
return;
}
PrimitiveCount = objectCount * 2;
UpdateVertexCount = this.count * vertexStride;
this.alwaysUpdate = true;
// needs to update?
if (renderTracer.View != lastViewMatrix)
{
needToUpdate = true;
this.lastViewMatrix = renderTracer.View;
}
if (this.alwaysUpdate || needToUpdate)
{
int vertexOffset = 0;
int indexOffset = 0;
// calculates inverse view matrix.
Matrix transformMatrix =
Helper3D.Transpose(this.TransformedMatrix * renderTracer.View);
for (int i = 0; i < this.count; i++)
{
PointSpriteObject obj = pointSpriteList[i];
if (obj.Enable == false)
{
continue;
}
// updates vertex positions.
SetBufferPosition(ref vertexData, obj, vertexOffset,
transformMatrix, this.space);
// updates texture coordinates.
SetBufferTextureCoord(ref vertexData, obj,
vertexOffset, this.space);
// updates vertex colors.
SetBufferColor(ref vertexData, obj, vertexOffset);
indexData[indexOffset + 0] = (short)(vertexOffset + 0);
indexData[indexOffset + 1] = (short)(vertexOffset + 1);
indexData[indexOffset + 2] = (short)(vertexOffset + 2);
indexData[indexOffset + 3] = (short)(vertexOffset + 3);
indexData[indexOffset + 4] = (short)(vertexOffset + 0);
indexData[indexOffset + 5] = (short)(vertexOffset + 2);
vertexOffset += vertexStride;
indexOffset += indexStride;
}
if (userPrimitive == false)
{
// binds the vertex buffer.
BindVertexBuffer();
// binds the index buffer.
BindIndexBuffer();
}
if (needToUpdate)
{
needToUpdate = false;
}
}
// draws mesh
base.OnDraw(renderTracer);
}
/// <summary>
/// When the information of each ParticleObject gets updated,
/// the vertex values of the GameMesh, GamePointSprite, GameSprite3D, and
/// GameBillboard classes are updated.
/// </summary>
/// <param name="renderTracer">render information in the RenderContext</param>
protected void Drive(RenderTracer renderTracer)
{
int emitCount = 0, aliveCount = 0;
float time = 0, s = 0.0f;
float lifeTime = 0.0f;
Vector3 dir = Vector3.Zero;;
bool isEnable = false;
bool isEmit = false;
bool isInterpolate = false;
Matrix mtx = Matrix.Identity;
Vector3 vGravDir = Vector3.Zero;
bool isUv = false;
Vector2 uv1 = Vector2.Zero;
Vector2 uv2 = Vector2.Zero;
// If the changeTime is false, no update
if (changeTime == false) return;
else if (changeTime ) changeTime = false;
time = (float)renderTracer.GameTime.ElapsedGameTime.TotalSeconds;
emitInterval -= time;
if (isStopping == false && emitInterval <= 0.0f)
{
// New particle object emit
isEmit = true;
emitInterval = Info.EmitInterval;
}
mtx = this.TransformedMatrix * renderTracer.View;
mtx = Helper3D.Transpose(mtx);
// Calculate gravity direction
vGravDir = Vector3.TransformNormal(globalGravityDirection, mtx );
for (int i = 0; i < Info.MaxObjectCount; i++)
{
ParticleObject obj = particleObjectList[i];
isEnable = true;
isUv = false;
lifeTime = 0.0f;
// If the object state is deactivate
if (!obj.IsState(ParticleObject.States.Enable))
{
if ((isEmit ) && (emitCount < Info.EmitCount))
{
if (!((Info.Volatile ) &&
obj.IsState(ParticleObject.States.Fired)))
{
emitCount++;
// Emit a new particle object
EmitParticle(ref obj);
}
else
{
isEnable = false;
}
}
else
{
isEnable = false;
}
}
else
{
// If the object state is activate
obj.time += time;
lifeTime = obj.time * rObjectLifeTime;
if (lifeTime >= 1.0f)
{
// The object is finished
if ((isEmit ) && (Info.Volatile == false))
{
// Finished particle object is restarting!
emitCount++;
// Emit a new particle object
EmitParticle(ref obj);
lifeTime = 0.0f;
}
// Has to deactivate
else
{
obj.state &= ~((uint)ParticleObject.States.Enable);
isEnable = false;
}
}
}
if (isEnable == false)
{
switch (Info.ParticleType)
{
case ParticleInfo.ParticleObjectType.PointSprite:
{
scenePointSprite.SetObjectEnable(i, false);
}
break;
case ParticleInfo.ParticleObjectType.Sprite:
{
sceneSprite3D.SetObjectEnable(i, false);
}
break;
case ParticleInfo.ParticleObjectType.AnchorBillboard:
case ParticleInfo.ParticleObjectType.Billboard:
{
sceneBillboard.SetUpdateType(i, false);
}
break;
case ParticleInfo.ParticleObjectType.Scene:
{
sceneMesh.Enabled = false;
sceneMesh.Visible = false;
}
break;
}
}
else
{
float tempInterval = 0.0f;
isInterpolate = true;
aliveCount++;
//////////////////////////////////////////////////////////
// Position
obj.posInterval += time;
tempInterval = obj.posInterval;
if (tempInterval >= Info.PositionUpdateInterval)
{
int last = posArgCount - 1;
if (Info.PositionUpdateInterval < time)
{
tempInterval = obj.posInterval = time;
isInterpolate = false;
}
switch (Info.PositionFunc[last])
{
case ParticleInfo.FuncType.Constant:
{
obj.posArg[last] = Info.PositionInit[last];
}
break;
case ParticleInfo.FuncType.Sin:
{
obj.posArg[last] =
(float)Math.Sin(MathHelper.PiOver2 * lifeTime) *
Info.PositionFactor[last];
}
break;
case ParticleInfo.FuncType.Cos:
{
obj.posArg[last] =
(float)Math.Cos(MathHelper.PiOver2 * lifeTime) *
Info.PositionFactor[last];
}
break;
case ParticleInfo.FuncType.Rnd:
{
obj.posArg[last] = HelperMath.RandomNormal2();
}
break;
case ParticleInfo.FuncType.Table:
{
KeyFrameTable table = Info.PositionTable[last];
obj.posArg[last] = table.GetKeyFrame(lifeTime,
positionInterpolate);
}
break;
}
obj.posArg[last] *= obj.posRandom;
if (last == 1)
{
// Accelation...v = v0 + at
obj.posArg[0] += obj.posArg[1] * tempInterval;
}
if (Info.IsPositionStyle(ParticleInfo.ParamStyles.Clamp))
{
obj.posArg[0] = MathHelper.Clamp(obj.posArg[0],
Info.PositionMin,
Info.PositionMax);
}
// Move distance...s = vt
s = obj.posArg[0] * tempInterval;
// Calculate move amount
dir = obj.emitDir * s;
// Applies acceleration of gravity
if (Info.IsPositionStyle(ParticleInfo.ParamStyles.Gravity))
{
float _fact = globalGravityFactor * (obj.mass *
(tempInterval * tempInterval));
obj.gravity += vGravDir * _fact;
dir += obj.gravity;
}
obj.targetPos = obj.pos[0] + dir;
obj.startPos = obj.pos[0];
obj.posInterval -= Info.PositionUpdateInterval;
}
// If random type
if (Info.IsPositionStyle(ParticleInfo.ParamStyles.Random))
{
obj.posRandomInterval -= time;
if (obj.posRandomInterval <= 0.0f)
{
Vector3 rndVec = HelperMath.RandomVector2();
rndVec *= Info.PositionRandomFactor;
obj.targetPos += rndVec;
obj.posRandomInterval = Info.PositionRandomInterval;
}
}
// Trace to position
if (Info.ParticleType == ParticleInfo.ParticleObjectType.Billboard)
{
obj.pos[1] = obj.pos[0];
}
// Position interpolate
if (isInterpolate)
{
obj.pos[0] = Vector3.Lerp(obj.startPos, obj.targetPos,
(obj.posInterval * posRinterval));
}
else
{
obj.pos[0] = obj.targetPos;
}
//////////////////////////////////////////////////////////
// Scale
isInterpolate = true;
obj.scaleInterval += time;
tempInterval = obj.scaleInterval;
if (tempInterval >= Info.ScaleUpdateInterval)
{
int last = scaleArgCount - 1;
if (Info.ScaleUpdateInterval < time)
{
tempInterval = obj.scaleInterval = time;
isInterpolate = false;
}
switch (Info.ScaleFunc[last])
{
case ParticleInfo.FuncType.Constant:
{
obj.scaleArg[last] = Info.ScaleInit[last];
}
break;
case ParticleInfo.FuncType.Sin:
{
obj.scaleArg[last] =
(float)Math.Sin(MathHelper.PiOver2 * lifeTime) *
Info.ScaleFactor[last];
}
break;
case ParticleInfo.FuncType.Cos:
{
obj.scaleArg[last] =
(float)Math.Cos(MathHelper.PiOver2 * lifeTime) *
Info.ScaleFactor[last];
}
break;
case ParticleInfo.FuncType.Rnd:
{
obj.scaleArg[last] = HelperMath.RandomNormal2();
}
break;
case ParticleInfo.FuncType.Table:
{
KeyFrameTable table = Info.ScaleTable[last];
obj.scaleArg[last] = table.GetKeyFrame(lifeTime,
scaleInterpolate);
}
break;
}
// Applies random value
obj.scaleArg[last] *= obj.scaleRandom;
if( last == 1)
obj.scaleArg[0] += obj.scaleArg[1] * tempInterval;
if (Info.IsScaleStyle(ParticleInfo.ParamStyles.Clamp))
{
obj.scaleArg[0] = MathHelper.Clamp(obj.scaleArg[0],
Info.ScaleMin, Info.ScaleMax);
}
obj.targetScale = Info.ScaleMask * obj.scaleArg[0];
// back up the previous scale value
obj.startScale = obj.scale;
obj.scaleInterval -= Info.ScaleUpdateInterval;
}
if (isInterpolate)
{
obj.scale = Vector3.Lerp(obj.startScale, obj.targetScale,
(obj.scaleInterval * scaleRinterval));
}
else
{
obj.scale = obj.targetScale;
}
//////////////////////////////////////////////////////////
// Rotation
if( enableRotate)
{
switch(Info.RotateFunc)
{
case ParticleInfo.FuncType.None:
{
obj.rotateArg = 0.0f;
}
break;
case ParticleInfo.FuncType.Constant:
{
obj.rotateArg = Info.RotateInit * time;
}
break;
case ParticleInfo.FuncType.Sin:
{
obj.rotateArg =
(float)Math.Sin(MathHelper.PiOver2 * lifeTime) *
Info.RotateFactor;
}
break;
case ParticleInfo.FuncType.Cos:
{
obj.rotateArg =
(float)Math.Sin(MathHelper.PiOver2 * lifeTime) *
Info.RotateFactor;
}
break;
case ParticleInfo.FuncType.Rnd:
{
obj.rotateArg = HelperMath.RandomNormal2();
}
break;
case ParticleInfo.FuncType.Table:
{
KeyFrameTable table = Info.RotateTable;
obj.rotateArg = table.GetKeyFrame(lifeTime,
KeyFrameTable.Interpolation.Lerp);
}
break;
}
obj.rotateAccm += obj.rotateArg * obj.rotateRandom;
}
//////////////////////////////////////////////////////////
// Color
{
byte r = obj.color.R;
byte g = obj.color.G;
byte b = obj.color.B;
byte a = obj.color.A;
if (!Info.IsColorStyle(ParticleInfo.ParamStyles.Random) ||
obj.IsState(ParticleObject.States.FirstTime))
{
switch (Info.RgbFunc)
{
case ParticleInfo.FuncType.Constant:
{
r = Info.RgbInitValue.R;
g = Info.RgbInitValue.G;
b = Info.RgbInitValue.B;
}
break;
case ParticleInfo.FuncType.Table:
{
float rt = 0.0f;
if (Info.IsColorStyle(
ParticleInfo.ParamStyles.Random))
{
rt = HelperMath.RandomNormal();
}
else
{
rt = lifeTime;
}
r = (byte)Info.Rtable.GetKeyFrame(rt,
colorInterpolate);
g = (byte)Info.Gtable.GetKeyFrame(rt,
colorInterpolate);
b = (byte)Info.Btable.GetKeyFrame(rt,
colorInterpolate);
}
break;
default:
{
r = 255;
g = 255;
b = 255;
}
break;
}
}
float alpha = 255f;
switch (Info.AlphaFunc)
{
case ParticleInfo.FuncType.Constant:
alpha = (float)Info.AlphaInit;
break;
case ParticleInfo.FuncType.Sin:
alpha = 255f * (float)Math.Sin(
MathHelper.PiOver2 * lifeTime);
break;
case ParticleInfo.FuncType.Cos:
alpha = 255f * (float)Math.Cos(
MathHelper.PiOver2 * lifeTime);
break;
case ParticleInfo.FuncType.Table:
alpha = Info.Atable.GetKeyFrame(lifeTime,
colorInterpolate);
break;
default:
alpha = 255f;
break;
}
a = (byte)alpha;
obj.color = new Color(r, g, b, a);
}
//////////////////////////////////////////////////////////
// TextureSequence
if (textureSequence != null)
{
obj.textureSequenceInterval -= time;
// Calculate texture sequence
if( (obj.textureSequenceInterval <= 0.0f) &&
((textureSequence.IsFixedFrameMode == false) ||
(obj.IsState( ParticleObject.States.FirstTime))))
{
obj.textureSequenceInterval = textureSequence.StaticInterval;
textureSequence.GetUV(obj.time, out uv1, out uv2);
isUv = true;
}
}
switch (Info.ParticleType)
{
case ParticleInfo.ParticleObjectType.PointSprite:
{
scenePointSprite.SetObjectEnable(i, true);
scenePointSprite.SetCenter(i, obj.pos[0]);
scenePointSprite.SetSize(i, obj.scale.X, obj.scale.Y);
scenePointSprite.SetColor(i, obj.color);
if (isUv)
scenePointSprite.SetTextureCoord(i, uv1, uv2);
}
break;
case ParticleInfo.ParticleObjectType.Sprite:
{
sceneSprite3D.SetObjectEnable(i, true);
sceneSprite3D.SetCenter(i, obj.pos[0]);
sceneSprite3D.SetSize(i, obj.scale.X, obj.scale.Y);
sceneSprite3D.SetColor(i, obj.color);
sceneSprite3D.SetRotation(i, obj.rotateAccm);
if (isUv)
sceneSprite3D.SetTextureCoord(i, uv1, uv2);
}
break;
case ParticleInfo.ParticleObjectType.Billboard:
{
Vector3 diff = Vector3.Zero;
diff = obj.pos[0] - obj.pos[1];
diff *= Info.ScaleBillboardFactor;
diff += obj.pos[0];
sceneBillboard.SetUpdateType(i, true);
sceneBillboard.SetStart(i, obj.pos[0]);
sceneBillboard.SetEnd(i, diff);
sceneBillboard.SetSize(i, obj.scale.Y);
sceneBillboard.SetColor(i, obj.color);
if(isUv)
sceneBillboard.SetTextureCoord(i, uv1, uv2);
}
break;
case ParticleInfo.ParticleObjectType.AnchorBillboard:
{
sceneBillboard.SetUpdateType(i, true);
sceneBillboard.SetStart(i, obj.pos[1]);
sceneBillboard.SetEnd(i, obj.pos[0]);
sceneBillboard.SetSize(i, obj.scale.Y);
sceneBillboard.SetColor(i, obj.color);
if (isUv)
sceneBillboard.SetTextureCoord(i, uv1, uv2);
}
break;
case ParticleInfo.ParticleObjectType.Scene:
{
sceneMesh.Enabled = true;
sceneMesh.Visible = true;
// Rotation
Matrix localTransform = Matrix.CreateFromAxisAngle(
obj.rotateDir, obj.rotateAccm);
// Scale
localTransform = Helper3D.PostScale(localTransform,
obj.scale);
// Position
localTransform.Translation = obj.pos[0];
// Set transform
sceneMesh.WorldTransform = localTransform *
sceneMesh.WorldTransform;
}
break;
}
}
obj.state &= ~((uint)ParticleObject.States.FirstTime);
}
if (isStopping && aliveCount == 0)
{
// Particle disabled
SetSceneEnable(false);
}
}
