/// <summary>
/// Called once per frame, the call is the entry point for 3d rendering. This
/// function sets up render states, clears the viewport, and renders the scene.
/// </summary>
protected override void Render()
{
// Clear the viewport
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, 0x000000ff, 1.0f, 0);
device.BeginScene();
device.VertexDeclaration = ourDeclaration;
device.VertexShader = ourShader;
device.SetStreamSource(0, vertexBuffer, 0, DXHelp.GetTypeSize(typeof(Vector2)));
device.Indices = indexBuffer;
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, numberVertices,
0, numberIndices / 3);
// Output statistics
drawingFont.DrawText(2, 1, System.Drawing.Color.Yellow, frameStats);
drawingFont.DrawText(2, 20, System.Drawing.Color.Yellow, deviceStats);
if (doShowHelp)
{
drawingFontSmall.DrawText(2, 40, System.Drawing.Color.White,
"Keyboard controls:");
drawingFontSmall.DrawText(20, 60, System.Drawing.Color.White,
"Move\nTurn\nPitch\nSlide\nHelp\nChange device\nExit");
drawingFontSmall.DrawText(210, 60, System.Drawing.Color.White,
"W,S\nE,Q\nA,Z\nArrow keys\nF1\nF2\nEsc");
}
else
{
drawingFontSmall.DrawText(2, 40, System.Drawing.Color.White,
"Press F1 for help");
}
device.EndScene();
}
public void FindMyFriends(string username, Server serverObject)
{
System.Collections.ArrayList friendList = new System.Collections.ArrayList();
foreach (XmlNode n in xmlDom.SelectNodes(gSchemaRootName + "/" + gFriendRootName + "/" + gRowName + "/" + gClientName))
{
if (n.FirstChild.Value.ToLower() == username.ToLower())
{
FriendType f = new FriendType();
f.friendName = n.NextSibling.FirstChild.Value;
XmlNode friendNode = GetUserNode(f.friendName);
f.friend = bool.Parse(n.NextSibling.NextSibling.FirstChild.Value);
f.friendId = int.Parse(friendNode.NextSibling.NextSibling.NextSibling.FirstChild.Value);
friendList.Add(f);
}
}
if (friendList.Count > 0)
{
byte[] buffer = null;
int offset = 0;
// Well, we obviously have some friends, tell me all about them
int sendId = GetCurrentPlayerId(username);
DXHelp.AddDataToBuffer(ref buffer, MessageType.SendClientFriends, ref offset);
// How many friends are we sending?
DXHelp.AddDataToBuffer(ref buffer, friendList.Count, ref offset);
foreach (FriendType f in friendList)
{
// Add whether they are a friend or blocked as well as the name
DXHelp.AddDataToBuffer(ref buffer, f.friend, ref offset);
DXHelp.AddDataToBuffer(ref buffer, f.friendName, ref offset);
}
serverObject.SendTo(sendId, buffer, 0, 0);
// Now that's done, for every friend that's online, notify me again
foreach (FriendType f in friendList)
{
if (f.friendId != 0)
{
buffer = null;
offset = 0;
DXHelp.AddDataToBuffer(ref buffer, MessageType.FriendLogon, ref offset);
DXHelp.AddDataToBuffer(ref buffer, f.friendName, ref offset);
serverObject.SendTo(sendId, buffer, 0, 0);
}
}
}
}
/// <summary>
/// Called once per frame, the call is the entry point for 3d rendering. This
/// function sets up render states, clears the viewport, and renders the scene.
/// </summary>
protected override void Render()
{
// Clear the viewport
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, System.Drawing.Color.Blue, 1.0f, 0);
device.BeginScene();
if (useShader)
{
device.VertexFormat = BlendVertex.Format;
device.VertexShader = shader;
device.SetStreamSource(0, vertexBuffer, 0, DXHelp.GetTypeSize(typeof(BlendVertex)));
device.Indices = indexBuffer;
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, numVertices, 0, numFaces);
}
else
{
device.VertexShader = null;
// Enable vertex blending using API
device.Transform.World = upperArm;
device.Transform.World1 = lowerArm;
renderState.VertexBlend = VertexBlend.OneWeights;
// Display the object
blendObject.Render(device);
}
// Output statistics
drawingFont.DrawText(2, 1, System.Drawing.Color.Yellow, frameStats);
drawingFont.DrawText(2, 20, System.Drawing.Color.Yellow, deviceStats);
if (useShader)
{
drawingFont.DrawText(2, 40, System.Drawing.Color.White, "Using vertex shader");
}
else
{
drawingFont.DrawText(2, 40, System.Drawing.Color.White, "Using RenderState.VertexBlend");
}
device.EndScene();
}
public void NotifyFriends(string username, MessageType msg, Server serverObject)
{
int offset = 0;
byte[] buffer = null;
// We need to check to see if the user logging in is anyones friend.
foreach (XmlNode n in xmlDom.SelectNodes(gSchemaRootName + "/" + gFriendRootName + "/" + gRowName + "/" + gFriendName))
{
if (n.FirstChild.Value.ToLower() == username.ToLower()) // Yup, I got some friends!
{
// Are they logged on?
XmlNode friend = GetUserNode(n.PreviousSibling.FirstChild.Value);
int playerId = int.Parse(friend.NextSibling.NextSibling.NextSibling.FirstChild.Value);
if (playerId != 0) // Yup, they got a dplay ID
{
DXHelp.AddDataToBuffer(ref buffer, msg, ref offset);
DXHelp.AddDataToBuffer(ref buffer, username, ref offset);
serverObject.SendTo(playerId, buffer, 0, 0);
}
break;
}
}
}
public override void Render(Camera cam)
{
try
{
if (m_ActiveParticles.Count > 0)
{
// Set the render states for using point sprites
CGameEngine.Device3D.RenderState.ZBufferWriteEnable = false;
CGameEngine.Device3D.RenderState.AlphaBlendEnable = true;
CGameEngine.Device3D.RenderState.SourceBlend = Blend.One;
CGameEngine.Device3D.RenderState.DestinationBlend = Blend.One;
CGameEngine.Device3D.SetTexture(0, m_Texture);
CGameEngine.Device3D.RenderState.PointSpriteEnable = true;
CGameEngine.Device3D.RenderState.PointScaleEnable = true;
CGameEngine.Device3D.RenderState.PointSize = m_PointSize;
CGameEngine.Device3D.RenderState.PointSizeMin = m_PointSizeMin;
CGameEngine.Device3D.RenderState.PointScaleA = m_PointScaleA;
CGameEngine.Device3D.RenderState.PointScaleB = m_PointScaleB;
CGameEngine.Device3D.RenderState.PointScaleC = m_PointScaleC;
CGameEngine.Device3D.VertexFormat = CustomVertex.PositionColoredTextured.Format;
// Set up the vertex buffer to be rendered
CGameEngine.Device3D.SetStreamSource(0, m_VB, 0);
CustomVertex.PositionColoredTextured[] vertices = null;
int numParticlesToRender = 0;
// Lock the vertex buffer. We fill the vertex buffer in small
// chunks, using LockFlags.NoOverWrite. When we are done filling
// each chunk, we call DrawPrim, and lock the next chunk. When
// we run out of space in the vertex buffer, we start over at
// the beginning, using LockFlags.Discard.
m_BaseParticle += m_Flush;
if (m_BaseParticle >= m_Discard)
{
m_BaseParticle = 0;
}
int count = 0;
vertices = (CustomVertex.PositionColoredTextured[])m_VB.Lock(m_BaseParticle * DXHelp.GetTypeSize(typeof(CustomVertex.PositionColoredTextured)), typeof(CustomVertex.PositionColoredTextured), (m_BaseParticle != 0) ? LockFlags.NoOverwrite : LockFlags.Discard, m_Flush);
foreach (Particle p in m_ActiveParticles)
{
vertices[count].X = p.m_Position.X;
vertices[count].Y = p.m_Position.Y;
vertices[count].Z = p.m_Position.Z;
vertices[count].Color = p.m_Color.ToArgb();
count++;
if (++numParticlesToRender == m_Flush)
{
// Done filling this chunk of the vertex buffer. Lets unlock and
// draw this portion so we can begin filling the next chunk.
m_VB.Unlock();
CGameEngine.Device3D.DrawPrimitives(PrimitiveType.PointList, m_BaseParticle, numParticlesToRender);
// Lock the next chunk of the vertex buffer. If we are at the
// end of the vertex buffer, LockFlags.Discard the vertex buffer and start
// at the beginning. Otherwise, specify LockFlags.NoOverWrite, so we can
// continue filling the VB while the previous chunk is drawing.
m_BaseParticle += m_Flush;
if (m_BaseParticle >= m_Discard)
{
m_BaseParticle = 0;
}
vertices = (CustomVertex.PositionColoredTextured[])m_VB.Lock(m_BaseParticle * DXHelp.GetTypeSize(typeof(CustomVertex.PositionColoredTextured)), typeof(CustomVertex.PositionColoredTextured), (m_BaseParticle != 0) ? LockFlags.NoOverwrite : LockFlags.Discard, m_Flush);
count = 0;
numParticlesToRender = 0;
}
}
// Unlock the vertex buffer
m_VB.Unlock();
// Render any remaining particles
if (numParticlesToRender > 0)
{
CGameEngine.Device3D.DrawPrimitives(PrimitiveType.PointList, m_BaseParticle, numParticlesToRender);
}
// Reset render states
CGameEngine.Device3D.RenderState.PointSpriteEnable = false;
CGameEngine.Device3D.RenderState.PointScaleEnable = false;
CGameEngine.Device3D.RenderState.ZBufferWriteEnable = true;
CGameEngine.Device3D.RenderState.AlphaBlendEnable = false;
}
}
catch (DirectXException d3de)
{
Console.AddLine("Unable to Render Particles for " + Name);
Console.AddLine(d3de.ErrorString);
}
catch (Exception e)
{
Console.AddLine("Unable to Render Particles for " + Name);
Console.AddLine(e.Message);
}
}
/// <summary>
/// Renders the scene
/// </summary>
public void Render()
{
// Set the render states for using point sprites
device.RenderState.ZBufferWriteEnable = false;
device.RenderState.AlphaBlendEnable = true;
device.RenderState.SourceBlend = Blend.One;
device.RenderState.DestinationBlend = Blend.One;
bool lightEnabled = device.RenderState.Lighting;
device.RenderState.Lighting = false;
device.SetTexture(0, particleTexture);
device.Transform.World = Matrix.Identity;
device.RenderState.PointSpriteEnable = true;
device.RenderState.PointScaleEnable = true;
device.RenderState.PointSize = 1.0f;
device.RenderState.PointScaleA = 0f;
device.RenderState.PointScaleB = 1.0f;
device.RenderState.PointScaleC = 1.0f;
// Set up the vertex buffer to be rendered
device.SetStreamSource(0, vertexBuffer, 0);
device.VertexFormat = PointVertex.Format;
PointVertex[] vertices = null;
int numParticlesToRender = 0;
// Lock the vertex buffer. We fill the vertex buffer in small
// chunks, using LockFlags.NoOverWrite. When we are done filling
// each chunk, we call DrawPrim, and lock the next chunk. When
// we run out of space in the vertex buffer, we start over at
// the beginning, using LockFlags.Discard.
baseParticle += flush;
if (baseParticle >= discard)
{
baseParticle = 0;
}
int count = 0;
vertices = (PointVertex[])vertexBuffer.Lock(baseParticle * DXHelp.GetTypeSize(typeof(PointVertex)), typeof(PointVertex), (baseParticle != 0) ? LockFlags.NoOverwrite : LockFlags.Discard, flush);
foreach (Particle p in particlesList)
{
Vector3 vPos = p.positionVector;
Vector3 vVel = p.velocityVector;
float fLengthSq = vVel.LengthSq();
uint steps;
if (fLengthSq < 1.0f)
{
steps = 2;
}
else if (fLengthSq < 4.00f)
{
steps = 3;
}
else if (fLengthSq < 9.00f)
{
steps = 4;
}
else if (fLengthSq < 12.25f)
{
steps = 5;
}
else if (fLengthSq < 16.00f)
{
steps = 6;
}
else if (fLengthSq < 20.25f)
{
steps = 7;
}
else
{
steps = 8;
}
vVel *= -0.01f / (float)steps;
System.Drawing.Color diffuse = ColorOperator.Lerp(p.fadeColor, p.diffuseColor, p.fadeProgression);
// Render each particle a bunch of times to get a blurring effect
for (int i = 0; i < steps; i++)
{
vertices[count].v = vPos;
vertices[count].color = diffuse.ToArgb();
count++;
if (++numParticlesToRender == flush)
{
// Done filling this chunk of the vertex buffer. Lets unlock and
// draw this portion so we can begin filling the next chunk.
vertexBuffer.Unlock();
device.DrawPrimitives(PrimitiveType.PointList, baseParticle, numParticlesToRender);
// Lock the next chunk of the vertex buffer. If we are at the
// end of the vertex buffer, LockFlags.Discard the vertex buffer and start
// at the beginning. Otherwise, specify LockFlags.NoOverWrite, so we can
// continue filling the VB while the previous chunk is drawing.
baseParticle += flush;
if (baseParticle >= discard)
{
baseParticle = 0;
}
vertices = (PointVertex[])vertexBuffer.Lock(baseParticle * DXHelp.GetTypeSize(typeof(PointVertex)), typeof(PointVertex), (baseParticle != 0) ? LockFlags.NoOverwrite : LockFlags.Discard, flush);
count = 0;
numParticlesToRender = 0;
}
vPos += vVel;
}
}
// Unlock the vertex buffer
vertexBuffer.Unlock();
// Render any remaining particles
if (numParticlesToRender > 0)
{
device.DrawPrimitives(PrimitiveType.PointList, baseParticle, numParticlesToRender);
}
// Reset render states
device.RenderState.PointSpriteEnable = false;
device.RenderState.PointScaleEnable = false;
device.RenderState.Lighting = lightEnabled;
device.RenderState.ZBufferWriteEnable = true;
device.RenderState.AlphaBlendEnable = false;
}
public void Render(Device Device3D, DeviceInfo deviceInfo)
{
Update();
try
{
if (m_ActiveParticles.Count > 0)
{
Device3D.Transform.World = this.World;
// il faut désactiver la lumière sinon les couleurs ne sont pas utilisées
Device3D.RenderState.Lighting = false;
// Set the render states for using point sprites
Device3D.RenderState.ZBufferWriteEnable = false;
Device3D.RenderState.AlphaBlendEnable = true;
Device3D.RenderState.SourceBlend = Blend.SourceAlpha;
Device3D.RenderState.DestinationBlend = Blend.One;
Device3D.TextureState[0].ColorOperation = TextureOperation.Modulate;
Device3D.TextureState[0].ColorArgument1 = TextureArgument.TextureColor;
Device3D.TextureState[0].ColorArgument2 = TextureArgument.Diffuse;
Device3D.TextureState[0].AlphaOperation = TextureOperation.Modulate;
Device3D.TextureState[0].AlphaArgument1 = TextureArgument.TextureColor;
Device3D.TextureState[0].AlphaArgument2 = TextureArgument.Diffuse;
Device3D.SetTexture(0, m_Texture.GetTexture());
Device3D.RenderState.PointSpriteEnable = true;
Device3D.RenderState.PointScaleEnable = true;
Device3D.RenderState.PointSize = m_PointSize;
Device3D.RenderState.PointSizeMin = m_PointSizeMin;
Device3D.RenderState.PointScaleA = m_PointScaleA;
Device3D.RenderState.PointScaleB = m_PointScaleB;
Device3D.RenderState.PointScaleC = m_PointScaleC;
Device3D.VertexFormat = CustomVertex.PositionColoredTextured.Format;
// Set up the vertex buffer to be rendered
Device3D.SetStreamSource(0, m_VB, 0);
CustomVertex.PositionColoredTextured[] vertices = null;
int numParticlesToRender = 0;
// Lock the vertex buffer. We fill the vertex buffer in small
// chunks, using LockFlags.NoOverWrite. When we are done filling
// each chunk, we call DrawPrim, and lock the next chunk. When
// we run out of space in the vertex buffer, we start over at
// the beginning, using LockFlags.Discard.
m_BaseParticle += m_Flush;
if (m_BaseParticle >= m_Discard)
{
m_BaseParticle = 0;
}
int count = 0;
vertices = (CustomVertex.PositionColoredTextured[])m_VB.Lock(m_BaseParticle * DXHelp.GetTypeSize(typeof(CustomVertex.PositionColoredTextured)), typeof(CustomVertex.PositionColoredTextured), (m_BaseParticle != 0) ? LockFlags.NoOverwrite : LockFlags.Discard, m_Flush);
foreach (Particle p in m_ActiveParticles)
{
vertices[count].X = p.Position.X;
vertices[count].Y = p.Position.Y;
vertices[count].Z = p.Position.Z;
vertices[count].Color = unchecked ((int)p.Color.ToArgb());
count++;
if (++numParticlesToRender == m_Flush)
{
// Done filling this chunk of the vertex buffer. Lets unlock and
// draw this portion so we can begin filling the next chunk.
m_VB.Unlock();
Device3D.DrawPrimitives(PrimitiveType.PointList, m_BaseParticle, numParticlesToRender);
// Lock the next chunk of the vertex buffer. If we are at the
// end of the vertex buffer, LockFlags.Discard the vertex buffer and start
// at the beginning. Otherwise, specify LockFlags.NoOverWrite, so we can
// continue filling the VB while the previous chunk is drawing.
m_BaseParticle += m_Flush;
if (m_BaseParticle >= m_Discard)
{
m_BaseParticle = 0;
}
vertices = (CustomVertex.PositionColoredTextured[])m_VB.Lock(m_BaseParticle * DXHelp.GetTypeSize(typeof(CustomVertex.PositionColoredTextured)), typeof(CustomVertex.PositionColoredTextured), (m_BaseParticle != 0) ? LockFlags.NoOverwrite : LockFlags.Discard, m_Flush);
count = 0;
numParticlesToRender = 0;
}
}
// Unlock the vertex buffer
m_VB.Unlock();
// Render any remaining particles
if (numParticlesToRender > 0)
{
Device3D.DrawPrimitives(PrimitiveType.PointList, m_BaseParticle, numParticlesToRender);
}
// Reset render states
Device3D.RenderState.PointSpriteEnable = false;
Device3D.RenderState.PointScaleEnable = false;
Device3D.RenderState.ZBufferWriteEnable = true;
Device3D.RenderState.AlphaBlendEnable = false;
//Console.AddLine(m_ActiveParticles[0].Position.ToString() + "Alpha:" + m_ActiveParticles[0].Color.A);
}
}
catch (DirectXException d3de)
{
Console.AddLine("Unable to Render Particles");
Console.AddLine(d3de.ErrorString);
}
catch (Exception e)
{
Console.AddLine("Unable to Render Particles");
Console.AddLine(e.Message);
}
}
/// <summary>
/// Called once per frame, the call is the entry point for 3d
/// rendering. This function sets up render states, clears the
/// viewport, and renders the scene.
/// </summary>
protected override void Render()
{
// Begin the scene
device.BeginScene();
// Render the Skybox
{
Matrix world = Matrix.Scaling(10.0f, 10.0f, 10.0f);
Matrix view = matView;
view.M41 = view.M42 = view.M43 = 0.0f;
device.Transform.World = world;
device.Transform.View = view;
device.Transform.Projection = matProject;
device.TextureState[0].ColorArgument1 = TextureArgument.TextureColor;
device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
device.SamplerState[0].MinFilter = TextureFilter.Linear;
device.SamplerState[0].MagFilter = TextureFilter.Linear;
device.SamplerState[0].AddressU = TextureAddress.Wrap;
device.SamplerState[0].AddressV = TextureAddress.Wrap;
// Always pass Z-test, so we can avoid clearing color and depth buffers
device.RenderState.ZBufferFunction = Compare.Always;
skyBox.Render(device);
device.RenderState.ZBufferFunction = Compare.LessEqual;
}
// Render the environment-mapped ShinyTeapot
{
// Set transform state
Matrix viewProject = Matrix.Multiply(matView, matProject);
Matrix matViewInv = Matrix.Invert(matView);
Vector4 vecPosition = new Vector4(matViewInv.M41, matViewInv.M42, matViewInv.M43, 1.0f);
effect.SetValue("matWorld", matWorld);
effect.SetValue("matViewProject", viewProject);
effect.SetValue("vecPosition", vecPosition);
// Draw teapot
VertexBuffer vb = shinyTeapot.LocalVertexBuffer;
IndexBuffer ib = shinyTeapot.LocalIndexBuffer;
device.VertexFormat = shinyTeapot.LocalMesh.VertexFormat;
device.SetStreamSource(0, vb, 0, DXHelp.GetTypeSize(typeof(EnvMappedVertex)));
device.Indices = ib;
int passes = effect.Begin(0);
for (int iPass = 0; iPass < passes; iPass++)
{
effect.Pass(iPass);
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
0, shinyTeapot.LocalMesh.NumberVertices,
0, shinyTeapot.LocalMesh.NumberFaces);
}
effect.End();
}
// Output statistics
font.DrawText(2, 1, System.Drawing.Color.Yellow, frameStats);
font.DrawText(2, 21, System.Drawing.Color.Yellow, deviceStats);
// End the scene.
device.EndScene();
}
/// <summary>
/// Renders all visual elements in the scene. This is called by the main
/// Render() function, and also by the RenderIntoCubeMap() function.
/// </summary>
private void RenderScene(Matrix View, Matrix Project, bool canRenderTeapot)
{
// Render the Skybox
{
Matrix matWorld = Matrix.Scaling(10.0f, 10.0f, 10.0f);
Matrix matView = View;
matView.M41 = matView.M42 = matView.M43 = 0.0f;
device.Transform.World = matWorld;
device.Transform.View = matView;
device.Transform.Projection = Project;
device.TextureState[0].ColorArgument1 = TextureArgument.TextureColor;
device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
device.SamplerState[0].MinFilter = TextureFilter.Linear;
device.SamplerState[0].MagFilter = TextureFilter.Linear;
device.SamplerState[0].AddressU = TextureAddress.Mirror;
device.SamplerState[0].AddressV = TextureAddress.Mirror;
// Always pass Z-test, so we can avoid clearing color and depth buffers
device.RenderState.ZBufferFunction = Compare.Always;
skyBoxMesh.Render(device);
device.RenderState.ZBufferFunction = Compare.LessEqual;
}
// Render the Airplane
{
device.Transform.World = airplaneMatrix;
device.Transform.View = View;
device.Transform.Projection = Project;
device.TextureState[0].ColorArgument1 = TextureArgument.TextureColor;
device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
device.SamplerState[0].MinFilter = TextureFilter.Linear;
device.SamplerState[0].MagFilter = TextureFilter.Linear;
device.SamplerState[0].AddressU = TextureAddress.Wrap;
device.SamplerState[0].AddressV = TextureAddress.Wrap;
airplaneMesh.Render(device, true, false);
device.Transform.World = worldMatrix;
}
// Render the environment-mapped ShinyTeapot
if (canRenderTeapot)
{
// Set transform state
if (cubeMap != null)
{
effect.SetValue(worldMatrixHandle, worldMatrix);
effect.SetValue(viewMatrixHandle, View);
}
else
{
Matrix matWorldView = Matrix.Multiply(worldMatrix, View);
effect.SetValue(worldViewMatrixHandle, matWorldView);
}
effect.SetValue(projectionMatrixHandle, Project);
// Draw teapot
VertexBuffer tempVertexBuffer = shinyTeapotMesh.LocalVertexBuffer;
IndexBuffer tempIndexBuffer = shinyTeapotMesh.LocalIndexBuffer;
int numVert = shinyTeapotMesh.LocalMesh.NumberVertices;
int numFace = shinyTeapotMesh.LocalMesh.NumberFaces;
device.SetStreamSource(0, tempVertexBuffer, 0, DXHelp.GetTypeSize(typeof(EnvMappedVertex)));
device.VertexFormat = EnvMappedVertex.Format;
device.Indices = tempIndexBuffer;
int Passes = effect.Begin(0);
for (int iPass = 0; iPass < Passes; iPass++)
{
effect.Pass(iPass);
device.DrawIndexedPrimitives(PrimitiveType.TriangleList,
0, 0, numVert, 0, numFace);
}
effect.End();
}
}
/// <summary>
/// The device has been created. Resources that are not lost on
/// Reset() can be created here -- resources in Pool.Managed,
/// Pool.Scratch, or Pool.SystemMemory. Image surfaces created via
/// CreateImageSurface are never lost and can be created here. Vertex
/// shaders and pixel shaders can also be created here as they are not
/// lost on Reset().
/// </summary>
protected override void InitializeDeviceObjects()
{
VertexBuffer pMeshSourceVB = null;
IndexBuffer pMeshSourceIB = null;
Vertex[] src = null;
GraphicsStream dst = null;
GraphicsMesh DolphinMesh01 = new GraphicsMesh();
GraphicsMesh DolphinMesh02 = new GraphicsMesh();
GraphicsMesh DolphinMesh03 = new GraphicsMesh();
GraphicsMesh SeaFloorMesh = new GraphicsMesh();
// Initialize the font's internal textures
drawingFont.InitializeDeviceObjects(device);
try
{
// Create texture for the dolphin
dolphinTexture = GraphicsUtility.CreateTexture(device, "Dolphin.bmp");
// Create textures for the seafloor
seaFloorTexture = GraphicsUtility.CreateTexture(device, "SeaFloor.bmp");
// Create textures for the water caustics
for (int t = 0; t < 32; t++)
{
string name = string.Format("Caust{0:D2}.tga", t);
causticTextures[t] = GraphicsUtility.CreateTexture(device, name);
}
// Load the file-based mesh objects
DolphinMesh01.Create(device, "dolphin1.x");
DolphinMesh02.Create(device, "dolphin2.x");
DolphinMesh03.Create(device, "dolphin3.x");
SeaFloorMesh.Create(device, "SeaFloor.x");
}
catch
{
SampleException e = new MediaNotFoundException();
HandleSampleException(e, ApplicationMessage.ApplicationMustExit);
throw e;
}
// Set the FVF type to match the vertex format we want
DolphinMesh01.SetVertexFormat(device, Vertex.Format);
DolphinMesh02.SetVertexFormat(device, Vertex.Format);
DolphinMesh03.SetVertexFormat(device, Vertex.Format);
SeaFloorMesh.SetVertexFormat(device, Vertex.Format);
// Get the number of vertices and faces for the meshes
numDolphinVertices = DolphinMesh01.SystemMesh.NumberVertices;
numDolphinFaces = DolphinMesh01.SystemMesh.NumberFaces;
numSeaFloorVertices = SeaFloorMesh.SystemMesh.NumberVertices;
numSeaFloorFaces = SeaFloorMesh.SystemMesh.NumberFaces;
// Create the dolphin and seafloor vertex and index buffers
dolphinVertexBuffer1 = new VertexBuffer(typeof(Vertex), numDolphinVertices, device, Usage.WriteOnly, 0, Pool.Managed);
dolphinVertexBuffer2 = new VertexBuffer(typeof(Vertex), numDolphinVertices, device, Usage.WriteOnly, 0, Pool.Managed);
dolphinVertexBuffer3 = new VertexBuffer(typeof(Vertex), numDolphinVertices, device, Usage.WriteOnly, 0, Pool.Managed);
seaFloorVertexBuffer = new VertexBuffer(typeof(Vertex), numSeaFloorVertices, device, Usage.WriteOnly, 0, Pool.Managed);
dolphinIndexBuffer = new IndexBuffer(typeof(short), numDolphinFaces * 3, device, Usage.WriteOnly, Pool.Managed);
seaFloorIndexBuffer = new IndexBuffer(typeof(short), numSeaFloorFaces * 3, device, Usage.WriteOnly, Pool.Managed);
// Copy vertices for mesh 01
pMeshSourceVB = DolphinMesh01.SystemMesh.VertexBuffer;
dst = dolphinVertexBuffer1.Lock(0, DXHelp.GetTypeSize(typeof(Vertex)) * numDolphinVertices, 0);
src = (Vertex[])pMeshSourceVB.Lock(0, typeof(Vertex), 0, numDolphinVertices);
dst.Write(src);
dolphinVertexBuffer1.Unlock();
pMeshSourceVB.Unlock();
pMeshSourceVB.Dispose();
// Copy vertices for mesh 2
pMeshSourceVB = DolphinMesh02.SystemMesh.VertexBuffer;
dst = dolphinVertexBuffer2.Lock(0, DXHelp.GetTypeSize(typeof(Vertex)) * numDolphinVertices, 0);
src = (Vertex[])pMeshSourceVB.Lock(0, typeof(Vertex), 0, numDolphinVertices);
dst.Write(src);
dolphinVertexBuffer2.Unlock();
pMeshSourceVB.Unlock();
pMeshSourceVB.Dispose();
// Copy vertices for mesh 3
pMeshSourceVB = DolphinMesh03.SystemMesh.VertexBuffer;
dst = dolphinVertexBuffer3.Lock(0, DXHelp.GetTypeSize(typeof(Vertex)) * numDolphinVertices, 0);
src = (Vertex[])pMeshSourceVB.Lock(0, typeof(Vertex), 0, numDolphinVertices);
dst.Write(src);
dolphinVertexBuffer3.Unlock();
pMeshSourceVB.Unlock();
pMeshSourceVB.Dispose();
// Copy vertices for the seafloor mesh, and add some bumpiness
pMeshSourceVB = SeaFloorMesh.SystemMesh.VertexBuffer;
dst = seaFloorVertexBuffer.Lock(0, DXHelp.GetTypeSize(typeof(Vertex)) * numSeaFloorVertices, 0);
src = (Vertex[])pMeshSourceVB.Lock(0, typeof(Vertex), 0, numSeaFloorVertices);
System.Random r = new System.Random();
for (int i = 0; i < numSeaFloorVertices; i++)
{
src[i].p.Y += (r.Next() / (float)int.MaxValue);
src[i].p.Y += (r.Next() / (float)int.MaxValue);
src[i].p.Y += (r.Next() / (float)int.MaxValue);
src[i].tu *= 10;
src[i].tv *= 10;
}
dst.Write(src);
seaFloorVertexBuffer.Unlock();
pMeshSourceVB.Unlock();
pMeshSourceVB.Dispose();
GraphicsStream dstib = null;
short[] srcib = null;
// Copy indices for the dolphin mesh
pMeshSourceIB = DolphinMesh01.SystemMesh.IndexBuffer;
dstib = dolphinIndexBuffer.Lock(0, DXHelp.GetTypeSize(typeof(short)) * numDolphinFaces * 3, 0);
srcib = (short[])pMeshSourceIB.Lock(0, typeof(short), 0, numDolphinFaces * 3);
dstib.Write(srcib);
dolphinIndexBuffer.Unlock();
pMeshSourceIB.Unlock();
pMeshSourceIB.Dispose();
// Copy indices for the seafloor mesh
pMeshSourceIB = SeaFloorMesh.SystemMesh.IndexBuffer;
dstib = seaFloorIndexBuffer.Lock(0, DXHelp.GetTypeSize(typeof(short)) * numSeaFloorFaces * 3, 0);
srcib = (short[])pMeshSourceIB.Lock(0, typeof(short), 0, numSeaFloorFaces * 3);
dstib.Write(srcib);
seaFloorIndexBuffer.Unlock();
pMeshSourceIB.Unlock();
pMeshSourceIB.Dispose();
}
/// <summary>
/// Called once per frame, the call is the entry point for 3d rendering. This
/// function sets up render states, clears the viewport, and renders the scene.
/// </summary>
protected override void Render()
{
// Clear the viewport
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, WaterColor, 1.0f, 0);
device.BeginScene();
float[] fAmbientLight = { 0.25f, 0.25f, 0.25f, 0.25f };
device.SetVertexShaderConstant(22, fAmbientLight);
// Render the seafloor
device.SetTexture(0, seaFloorTexture);
device.VertexDeclaration = seaFloorVertexDeclaration;
device.VertexShader = seaFloorVertexShader;
device.SetStreamSource(0, seaFloorVertexBuffer, 0, DXHelp.GetTypeSize(typeof(Vertex)));
device.Indices = seaFloorIndexBuffer;
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
0, numSeaFloorVertices,
0, numSeaFloorFaces);
// Render the dolphin
device.SetTexture(0, dolphinTexture);
device.VertexDeclaration = dolphinVertexDeclaration;
device.VertexShader = dolphinVertexShader;
device.SetStreamSource(0, dolphinVertexBuffer1, 0, DXHelp.GetTypeSize(typeof(Vertex)));
device.SetStreamSource(1, dolphinVertexBuffer2, 0, DXHelp.GetTypeSize(typeof(Vertex)));
device.SetStreamSource(2, dolphinVertexBuffer3, 0, DXHelp.GetTypeSize(typeof(Vertex)));
device.Indices = dolphinIndexBuffer;
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
0, numDolphinVertices,
0, numDolphinFaces);
// Now, we are going to do a 2nd pass, to alpha-blend in the caustics.
// The caustics use a 2nd set of texture coords that are generated
// by the vertex shaders. Lighting from the light above is used, but
// ambient is turned off to avoid lighting objects from below (for
// instance, we don't want caustics appearing on the dolphin's
// underbelly). Finally, fog color is set to black, so that caustics
// fade in distance.
// Turn on alpha blending
device.RenderState.AlphaBlendEnable = true;
device.RenderState.SourceBlend = Blend.One;
device.RenderState.DestinationBlend = Blend.One;
// Setup the caustic texture
device.SetTexture(0, currentCausticTexture);
// Set ambient and fog colors to black
float[] fAmbientDark = { 0.0f, 0.0f, 0.0f, 0.0f };
device.SetVertexShaderConstant(22, fAmbientDark);
device.RenderState.FogColor = System.Drawing.Color.Black;
// Render the caustic effects for the seafloor
device.VertexDeclaration = seaFloorVertexDeclaration;
device.VertexShader = seaFloorVertexShader2;
device.SetStreamSource(0, seaFloorVertexBuffer, 0, DXHelp.GetTypeSize(typeof(Vertex)));
device.Indices = seaFloorIndexBuffer;
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
0, numSeaFloorVertices,
0, numSeaFloorFaces);
// Finally, render the caustic effects for the dolphin
device.VertexDeclaration = dolphinVertexDeclaration;
device.VertexShader = dolphinVertexShader2;
device.SetStreamSource(0, dolphinVertexBuffer1, 0, DXHelp.GetTypeSize(typeof(Vertex)));
device.SetStreamSource(1, dolphinVertexBuffer2, 0, DXHelp.GetTypeSize(typeof(Vertex)));
device.SetStreamSource(2, dolphinVertexBuffer3, 0, DXHelp.GetTypeSize(typeof(Vertex)));
device.Indices = dolphinIndexBuffer;
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0,
0, numDolphinVertices,
0, numDolphinFaces);
// Restore modified render states
device.RenderState.AlphaBlendEnable = false;
device.RenderState.FogColor = WaterColor;
// Output statistics
drawingFont.DrawText(2, 1, System.Drawing.Color.Yellow, frameStats);
drawingFont.DrawText(2, 20, System.Drawing.Color.Yellow, deviceStats);
device.EndScene();
}
