xna3.1与4.0的区别不小，但也不是很大，在转换一些项目时候下面的tip能给些帮助。原文地址是：http://blogs.msdn.com/b/shawnhar/archive/2011/01/04/xna-3-1-to-4-0-cheat-sheet.aspx?utm_source=twitterfeed&utm_medium=twitter
遇到如下问题，该备忘录将解决的问题：
The name ‘SpriteBlendMode‘ does not exist in the current context
The name ‘SaveStateMode‘ does not exist in the current context
‘Microsoft.Xna.Framework.Graphics.GraphicsDevice‘ does not contain a definition for ‘RenderState‘…
‘Microsoft.Xna.Framework.Graphics.Effect‘ does not contain a definition for ‘Begin‘ …
‘Microsoft.Xna.Framework.Graphics.Effect‘ does not contain a definition for ‘End‘..
‘Microsoft.Xna.Framework.Graphics.Effect‘ does not contain a definition for ‘CommitChanges‘ …
‘Microsoft.Xna.Framework.Graphics.EffectPass‘ does not contain a definition for ‘Begin‘ …
‘Microsoft.Xna.Framework.Graphics.EffectPass‘ does not contain a definition for ‘End‘ ….
No overload for method ‘Clone‘ takes 1 arguments
The name ‘ShaderProfile‘ does not exist in the current context
‘Microsoft.Xna.Framework.GameTime‘ does not contain a definition for ‘TotalRealTime‘ …
‘Microsoft.Xna.Framework.Color‘ does not contain a definition for ‘TransparentBlack‘ …
The type or namespace name ‘ResolveTexture2D‘ could not be found …
‘Microsoft.Xna.Framework.Graphics.GraphicsDevice‘ does not contain a definition for ‘ResolveBackBuffer‘…
The type or namespace name ‘DepthStencilBuffer‘ could not be found …
‘Microsoft.Xna.Framework.Graphics.RenderTarget2D‘ does not contain a constructor that takes 5 arguments …
‘Microsoft.Xna.Framework.Graphics.RenderTarget2D‘ does not contain a definition for ‘GetTexture‘ …
‘Microsoft.Xna.Framework.Graphics.PresentationParameters‘ does not contain a definition for ‘MultiSampleType‘ …
‘Microsoft.Xna.Framework.Graphics.PresentationParameters‘ does not contain a definition for ‘MultiSampleQuality‘ …
The best overloaded method match for ‘Microsoft.Xna.Framework.Graphics.GraphicsDevice.SetRenderTarget…
‘Microsoft.Xna.Framework.Graphics.GraphicsDevice‘ does not contain a definition for ‘VertexDeclaration‘
‘Microsoft.Xna.Framework.Graphics.GraphicsDevice‘ does not contain a definition for ‘Vertices‘
‘Microsoft.Xna.Framework.Graphics.VertexPositionTexture‘ does not contain a definition for ‘SizeInBytes‘
‘Microsoft.Xna.Framework.Graphics.VertexPositionTexture‘ does not contain a definition for ‘VertexElements‘
‘Microsoft.Xna.Framework.Graphics.ModelMesh‘ does not contain a definition for ‘IndexBuffer‘
‘Microsoft.Xna.Framework.Graphics.ModelMesh‘ does not contain a definition for ‘VertexBuffer‘
‘Microsoft.Xna.Framework.Graphics.ModelMeshPart‘ does not contain a definition for ‘BaseVertex‘
‘Microsoft.Xna.Framework.Graphics.ModelMeshPart‘ does not contain a definition for ‘StreamOffset‘
‘Microsoft.Xna.Framework.Graphics.ModelMeshPart‘ does not contain a definition for ‘VertexStride‘
‘Microsoft.Xna.Framework.Storage.StorageContainer‘ does not contain a definition for ‘TitleLocation‘
‘Microsoft.Xna.Framework.Storage.StorageContainer‘ does not contain a definition for ‘Path‘
‘Microsoft.Xna.Framework.Storage.StorageDevice‘ does not contain a definition for ‘OpenContainer‘
‘Microsoft.Xna.Framework.GamerServices.Guide‘ does not contain a definition for ‘BeginShowStorageDeviceSelector‘
‘Microsoft.Xna.Framework.GamerServices.Guide‘ does not contain a definition for ‘EndShowStorageDeviceSelector‘
syntax error: unexpected token ‘VertexShader‘
syntax error: unexpected token ‘PixelShader‘
error X3539: ps_1_x is no longer supported
PS：其他问题，如xna模型画出边界，看起来透明或者丢失顶点以及看起来不对劲。
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XNA 3.1 转为 XNA4.0 的例子：
SpriteBlendMode， SaveStateMode
// XNA 3.1 sprite.Begin(SpriteBlendMode.AlphaBlend, SpriteSortMode.Deferred, SaveStateMode.SaveState); // XNA 4.0 sprite.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend); // XNA 3.1 // 通过深度排列场景对象
spriteBatch.Begin(SpriteBlendMode.AlphaBlend, SpriteSortMode.BackToFront, SaveStateMode.None); // XNA 4.0 // 通过深度排列场景对象
spriteBatch.Begin(SpriteSortMode.BackToFront, BlendState.AlphaBlend); // XNA 3.1 sprite.Begin(SpriteBlendMode.None, SpriteSortMode.Immediate, SaveStateMode.SaveState); // XNA 4.0 sprite.Begin(SpriteSortMode.Immediate, BlendState.Opaque); // XNA 3.1 // 画背景图
spriteBatch.Begin(SpriteBlendMode.None); Viewport viewport = GraphicsDevice.Viewport; spriteBatch.Draw(background, new Rectangle(0, 0, viewport.Width, viewport.Height), Color.White); spriteBatch.End(); // XNA 4.0 // 画背景图
spriteBatch.Begin(0, BlendState.Opaque); spriteBatch.Draw(background, GraphicsDevice.Viewport.Bounds, Color.White); spriteBatch.End();
RenderState
// XNA 3.1 // 启用alpha混合和深度写
GraphicsDevice.RenderState.AlphaBlendEnable = true; GraphicsDevice.RenderState.SourceBlend = Blend.SourceAlpha; GraphicsDevice.RenderState.DestinationBlend = Blend.InverseSourceAlpha; GraphicsDevice.RenderState.SeparateAlphaBlendEnabled = true; GraphicsDevice.RenderState.AlphaBlendOperation = BlendFunction.Add; GraphicsDevice.RenderState.AlphaSourceBlend = Blend.One; GraphicsDevice.RenderState.AlphaDestinationBlend = Blend.One; GraphicsDevice.RenderState.DepthBufferWriteEnable = false; // XNA 4.0 // 启用alpha混合和深度写
GraphicsDevice.BlendState = BlendState.AlphaBlend; GraphicsDevice.DepthStencilState = DepthStencilState.DepthRead; // XNA 3.1 // 重置混合和深度写
GraphicsDevice.RenderState.AlphaBlendEnable = false; GraphicsDevice.RenderState.SeparateAlphaBlendEnabled = false; GraphicsDevice.RenderState.DepthBufferWriteEnable = true; // XNA 4.0 // 重置混合和深度写
GraphicsDevice.BlendState = BlendState.Additive; GraphicsDevice.DepthStencilState = DepthStencilState.Default; // XNA 3.1 // 启用深度缓冲
GraphicsDevice.RenderState.DepthBufferEnable = true; // XNA 4.0 // 启用深度缓冲
GraphicsDevice.DepthStencilState = DepthStencilState.Default; // XNA 3.1 // 禁用深度缓冲
GraphicsDevice.RenderState.DepthBufferWriteEnable = false; GraphicsDevice.RenderState.DepthBufferEnable = false; // XNA 4.0 // 禁用深度缓冲
GraphicsDevice.DepthStencilState = DepthStencilState.None; // XNA 3.1 // 累加混合(zero on alpha) GraphicsDevice.RenderState.DepthBufferWriteEnable = false; GraphicsDevice.RenderState.AlphaBlendEnable = true; GraphicsDevice.RenderState.SourceBlend = Blend.One; GraphicsDevice.RenderState.DestinationBlend = Blend.One; // XNA 4.0 // 累加混合(zero on alpha) GraphicsDevice.DepthStencilState = DepthStencilState.DepthRead; GraphicsDevice.BlendState = BlendState.AlphaBlend; // XNA 3.1 // 恢复混合模式
GraphicsDevice.RenderState.DepthBufferWriteEnable = true; GraphicsDevice.RenderState.AlphaBlendEnable = false; GraphicsDevice.RenderState.SeparateAlphaBlendEnabled = false; // XNA 4.0 // 恢复混合模式
GraphicsDevice.BlendState = BlendState.Opaque; GraphicsDevice.DepthStencilState = DepthStencilState.Default; // XNA 3.1 // 设置alpha混合，无深度测试和深度写
GraphicsDevice.RenderState.DepthBufferEnable = false; GraphicsDevice.RenderState.DepthBufferWriteEnable = false; GraphicsDevice.RenderState.AlphaBlendEnable = true; GraphicsDevice.RenderState.SourceBlend = Blend.SourceAlpha; GraphicsDevice.RenderState.DestinationBlend = Blend.InverseSourceAlpha; // XNA 4.0 // 设置alpha混合，无深度测试和深度写
GraphicsDevice.DepthStencilState = DepthStencilState.None; GraphicsDevice.BlendState = BlendState.AlphaBlend; // XNA 3.1 // 绘制3D模型时设置合适渲染模式
GraphicsDevice.RenderState.AlphaBlendEnable = false; GraphicsDevice.RenderState.AlphaTestEnable = false; GraphicsDevice.RenderState.DepthBufferEnable = true; // XNA 4.0 // 绘制3D模型时设置合适渲染模式
GraphicsDevice.BlendState = BlendState.Opaque; GraphicsDevice.DepthStencilState = DepthStencilState.Default; // XNA 3.1 // 加性混合
GraphicsDevice.RenderState.AlphaBlendEnable = true; GraphicsDevice.RenderState.SourceBlend = Blend.One; GraphicsDevice.RenderState.DestinationBlend = Blend.One; // XNA 4.0 // 加性混合
GraphicsDevice.BlendState = BlendState.Additive; // XNA 3.1 // 设置加性混合
GraphicsDevice.RenderState.DestinationBlend = Blend.One; // XNA 4.0 // 设置加性混合
GraphicsDevice.BlendState = BlendState.Additive; // XNA 3.1 // 设置alpha混合
GraphicsDevice.RenderState.DestinationBlend = Blend.InverseSourceAlpha; // XNA 4.0 // 设置alpha混合
GraphicsDevice.BlendState = BlendState.AlphaBlend; // XNA 3.1 GraphicsDevice.RenderState.CullMode = CullMode.CullCounterClockwiseFace; // XNA 4.0 GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise; // XNA 3.1 // 设置渲染状态
GraphicsDevice.RenderState.DepthBufferEnable = false;
GraphicsDevice.RenderState.DepthBufferWriteEnable = false;
GraphicsDevice.RenderState.AlphaBlendEnable = true;
GraphicsDevice.RenderState.SourceBlend = Blend.One;
GraphicsDevice.RenderState.DestinationBlend = Blend.One;
GraphicsDevice.RenderState.SeparateAlphaBlendEnabled = true;
GraphicsDevice.RenderState.AlphaBlendOperation = BlendFunction.Add;
GraphicsDevice.RenderState.AlphaDestinationBlend = Blend.Zero;
GraphicsDevice.RenderState.AlphaSourceBlend = Blend.Zero;
// drawing code here..
// 恢复状态
GraphicsDevice.RenderState.DepthBufferEnable = true; GraphicsDevice.RenderState.DepthBufferWriteEnable = true; GraphicsDevice.RenderState.AlphaBlendEnable = false; GraphicsDevice.RenderState.SeparateAlphaBlendEnabled = false; // XNA 4.0 //存储状态
DepthStencilState ds = GraphicsDevice.DepthStencilState; BlendState bs = GraphicsDevice.BlendState; //设置渲染状态
GraphicsDevice.DepthStencilState = DepthStencilState.DepthRead;
GraphicsDevice.BlendState = BlendState.AlphaBlend;
// drawing code here..
// 恢复状态
GraphicsDevice.DepthStencilState = ds; GraphicsDevice.BlendState = bs;
Effect, EffectPass, Begin(), End(), CommitChanges(), Clone()
// 应用效果 XNA 3.1 blurEffect.CommitChanges(); blurEffect.Begin(SaveStateMode.SaveState); blurEffect.CurrentTechnique.Passes[0].Begin(); GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, 2); blurEffect.CurrentTechnique.Passes[0].End(); blurEffect.End(); // 应用效果 XNA 4.0 blurEffect.CurrentTechnique.Passes[0].Apply(); GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, 2); // XNA 3.1 // 提交效果改变
effect.CommitChanges(); // XNA 4.0 // 当任何效果属性改变需要调用EffectPass.Apply()
// 否则就删除它
// XNA 3.1 // 开始一个效果
effect.Begin(SaveStateMode.SaveState); effect.CurrentTechnique.Passes[0].Begin(); // XNA 4.0 // 开始一个效果
effect.CurrentTechnique.Passes[0].Apply(); // XNA 3.1 // 结束一个效果
effect.CurrentTechnique.Passes[0].End(); effect.End(); // XNA 4.0 // 如果不需要可直接删除
// XNA 3.1 // 产生一个效果的克隆体
Effect newEffect = replacementEffect.Clone(replacementEffect.GraphicsDevice); // XNA 4.0 // 产生一个效果的克隆体
Effect newEffect = replacementEffect.Clone(); // XNA 3.1 // 启用效果中的tech
postprocessEffect.CurrentTechnique = postprocessEffect.Techniques[effectTechniqueName]; // 用预处理效果画一个全屏的精灵. spriteBatch.Begin(SpriteBlendMode.None,SpriteSortMode.Immediate, SaveStateMode.None); postprocessEffect.Begin(); postprocessEffect.CurrentTechnique.Passes[0].Begin(); spriteBatch.Draw(sceneRenderTarget.GetTexture(), Vector2.Zero, Color.White); spriteBatch.End(); postprocessEffect.CurrentTechnique.Passes[0].End(); postprocessEffect.End(); // XNA 4.0 // 启用效果中的tech
postprocessEffect.CurrentTechnique = postprocessEffect.Techniques[effectTechniqueName]; // 用预处理效果画一个全屏的精灵.
spriteBatch.Begin(0, BlendState.Opaque, null, null, null, postprocessEffect); spriteBatch.Draw(sceneRenderTarget, Vector2.Zero, Color.White); spriteBatch.End();
ShaderProfile, TotalRealTime, TransparentBlack
// XNA 3.1 graphics.MinimumPixelShaderProfile = ShaderProfile.PS_3_0; //any PS number... graphics.MinimumVertexShaderProfile = ShaderProfile.VS_3_0;//any VS number... // XNA 4.0 // 不再需要该语句
// XNA 3.1 float myTime = (float)gameTime.TotalRealTime.TotalSeconds * 0.2f; // XNA 4.0 float myTime = (float)gameTime.TotalGameTime.TotalSeconds * 0.2f; // XNA 3.1 GraphicsDevice.Clear(Color.TransparentBlack); // XNA 4.0 GraphicsDevice.Clear(Color.Transparent);
ResolveTexture2D, ResolveBackBuffer, RenderTarget2D, GetTexture, DepthStencilBuffer, PresentationParameters, MultiSampleType, MultiSampleQuality, SetRenderTarget
// XNA 3.1
ResolveTexture2D sceneMap;
// XNA 4.0
RenderTarget2D sceneMap;
// XNA 3.1
// 查询主缓冲的分辨率和格式.
PresentationParameters pp = GraphicsDevice.PresentationParameters;
// 从缓冲读取一个材质数据.
sceneMap = new ResolveTexture2D(GraphicsDevice, pp.BackBufferWidth, pp.BackBufferHeight, 1, pp.BackBufferFormat);
// XNA 4.0
// 查询主缓冲的分辨率和格式.
PresentationParameters pp = GraphicsDevice.PresentationParameters;
// 从缓冲读取一个材质数据.
sceneMap = new RenderTarget2D(GraphicsDevice, pp.BackBufferWidth, pp.BackBufferHeight, false, pp.BackBufferFormat,
pp.DepthStencilFormat);
//or
sceneMap = new RenderTarget2D(GraphicsDevice, pp.BackBufferWidth, pp.BackBufferHeight, false, pp.BackBufferFormat,
pp.DepthStencilFormat, pp.MultiSampleCount, RenderTargetUsage.DiscardContents);
// XNA 3.1
GraphicsDevice.ResolveBackBuffer(sceneMap);
// XNA 4.0
GraphicsDevice.SetRenderTarget(sceneMap);
// XNA 3.1
int width = GraphicsDevice.Viewport.Width;
int height = GraphicsDevice.Viewport.Height;
// 创建渲染对象
myRenderTarget = new RenderTarget2D(GraphicsDevice, width, height, 1, SurfaceFormat.Color); // XNA 4.0 int width = GraphicsDevice.Viewport.Width; int height = GraphicsDevice.Viewport.Height; // 创建渲染对象
myRenderTarget = new RenderTarget2D(GraphicsDevice, width, height, true, SurfaceFormat.Color, DepthFormat.Depth24); // XNA 3.1 PresentationParameters pp = GraphicsDevice.PresentationParameters; // 创建自动以渲染对象
sceneRenderTarget = new RenderTarget2D(GraphicsDevice, pp.BackBufferWidth, pp.BackBufferHeight, 1,
pp.BackBufferFormat, pp.MultiSampleType, pp.MultiSampleQuality);
// XNA 4.0
PresentationParameters pp = GraphicsDevice.PresentationParameters;
// 创建自动以渲染对象
sceneRenderTarget = new RenderTarget2D(GraphicsDevice, pp.BackBufferWidth, pp.BackBufferHeight, false,
pp.BackBufferFormat, pp.DepthStencilFormat, pp.MultiSampleCount,
RenderTargetUsage.DiscardContents);
// XNA 3.1
PresentationParameters pp = GraphicsDevice.PresentationParameters;
// 配置一个深度缓冲
drawBuffer = new RenderTarget2D(GraphicsDevice, pp.BackBufferWidth, pp.BackBufferHeight, 1,
SurfaceFormat.Color, pp.MultiSampleType, pp.MultiSampleQuality);
drawDepthBuffer = new DepthStencilBuffer(GraphicsDevice, pp.AutoDepthStencilFormat,
pp.MultiSampleType, pp.MultiSampleQuality);
// XNA 4.0
PresentationParameters pp = GraphicsDevice.PresentationParameters;
// 配置一个深度缓冲
drawBuffer = new RenderTarget2D(GraphicsDevice, pp.BackBufferWidth, pp.BackBufferHeight, true,
SurfaceFormat.Color,DepthFormat.Depth24Stencil8,
pp.MultiSampleCount, RenderTargetUsage.DiscardContents);
//NOTE: DepthStencilBuffer 类不再存在
// XNA 3.1 spriteBatch.Draw(myRenderTarget.GetTexture(), Vector2.Zero, Color.White); // XNA 4.0 spriteBatch.Draw(myRenderTarget, Vector2.Zero, Color.White); // NOTE: ".GetTexure()" 不再需要
// XNA 3.1 Texture2D myTexture = myRenderTarget.GetTexture(); // XNA 4.0 Texture2D myTexture = myRenderTarget; // NOTE: ".GetTexure()" No longer needed // XNA 3.1 GraphicsDevice.SetRenderTarget(0, myRenderTarget); // XNA 4.0 GraphicsDevice.SetRenderTarget(myRenderTarget); // XNA 3.1 // 设置两个渲染目标
GraphicsDevice.SetRenderTarget(0, colorRT); GraphicsDevice.SetRenderTarget(1, depthRT); // XNA 4.0 // 设置两个渲染目标
GraphicsDevice.SetRenderTargets(colorRT, depthRT); // XNA 3.1 GraphicsDevice.SetRenderTarget(0, null); // XNA 4.0 GraphicsDevice.SetRenderTarget(null); // XNA 3.1 // 将深度缓冲解析为深度图
GraphicsDevice.ResolveBackBuffer(depthMap); // 绘制场景图, 用深度图模糊它
GraphicsDevice.Textures[1] = depthMap; Viewport viewport = GraphicsDevice.Viewport; dofEffect.CurrentTechnique = depthBlurTechnique; DrawFullscreenQuad(sceneMap, viewport.Width, viewport.Height, dofEffect); // XNA 4.0 // 将深度缓冲解析为深度图
GraphicsDevice.SetRenderTarget(null); // 绘制场景图, 用深度图模糊它
GraphicsDevice.Textures[1] = depthMap;
GraphicsDevice.SamplerStates[1] = SamplerState.PointClamp;
Viewport viewport = GraphicsDevice.Viewport;
dofEffect.CurrentTechnique = depthBlurTechnique;
DrawFullscreenQuad(sceneMap, viewport.Width, viewport.Height, dofEffect);
// XNA 3.1
ResolveTexture2D resolveTarget;
RenderTarget2D renderTarget1;
RenderTarget2D renderTarget2;
// 查找主缓冲的分辨率和格式.
PresentationParameters pp = GraphicsDevice.PresentationParameters;
int width = pp.BackBufferWidth;
int height = pp.BackBufferHeight;
SurfaceFormat format = pp.BackBufferFormat;
// 创建一个材质读取缓冲中的内容.
resolveTarget = new ResolveTexture2D(GraphicsDevice, width, height, 1, format);
// Create two rendertargets half size for the bloom processing.
width /= 2;
height /= 2;
renderTarget1 = new RenderTarget2D(GraphicsDevice, width, height, 1,format);
renderTarget2 = new RenderTarget2D(GraphicsDevice, width, height, 1,format);
// ... In the Draw Method...
GraphicsDevice.ResolveBackBuffer(resolveTarget);
// ...apply effect and draw pass 1...
// XNA 4.0
RenderTarget2D sceneRenderTarget;
RenderTarget2D renderTarget1;
RenderTarget2D renderTarget2;
// 查找主缓冲的分辨率和格式. .
PresentationParameters pp = GraphicsDevice.PresentationParameters;
int width = pp.BackBufferWidth;
int height = pp.BackBufferHeight;
SurfaceFormat format = pp.BackBufferFormat;
// Create a texture for rendering the main scene, prior to applying bloom.
sceneRenderTarget = new RenderTarget2D(GraphicsDevice, width, height, false,
format, pp.DepthStencilFormat, pp.MultiSampleCount,
RenderTargetUsage.DiscardContents);
// Create two rendertargets half size for the bloom processing.
width /= 2;
height /= 2;
renderTarget1 = new RenderTarget2D(GraphicsDevice, width, height, false, format, DepthFormat.None);
renderTarget2 = new RenderTarget2D(GraphicsDevice, width, height, false, format, DepthFormat.None);
// ...In the Draw Method...
GraphicsDevice.SetRenderTarget(sceneRenderTarget);
GraphicsDevice.SamplerStates[1] = SamplerState.LinearClamp;
// ...apply effect and draw pass 1....
VertexDeclaration, Vertices, VertexElements, SizeInBytes
// XNA 3.1
// Vertex declaration for rendering our 3D model.
GraphicsDevice.VertexDeclaration = new VertexDeclaration(VertexPositionTexture.VertexElements);
// XNA 4.0
// Delete it. No longer needed.
// XNA 3.1
// set vertex buffer and declaration
GraphicsDevice.VertexDeclaration = vertexDeclaration;
GraphicsDevice.Vertices[0].SetSource(vertexBuffer, 0, VertexPositionTexture.SizeInBytes);
// XNA 4.0
// set vertex buffer and declaration
GraphicsDevice.SetVertexBuffer(vertexBuffer);
// XNA 3.1
// create vertex declaration
vertexDeclaration = new VertexDeclaration(GraphicsDevice, VertexPositionTexture.VertexElements);
// XNA 4.0
// create vertex declaration
vertexDeclaration = new VertexDeclaration(VertexPositionTexture.VertexDeclaration.GetVertexElements());
// XNA 3.1
// reset vertex buffer declaration
GraphicsDevice.VertexDeclaration = null;
GraphicsDevice.Vertices[0].SetSource(null, 0, 0);
// XNA 4.0
// reset vertex buffer declaration
GraphicsDevice.SetVertexBuffer(null);
// XNA 3.1
// the vertices array
VertexPositionNormalTexture[] vertices = new VertexPositionNormalTexture[100];
// set new particles to vertex buffer
vertexBuffer.SetData<VertexPositionNormalTexture>(VertexPositionNormalTexture.SizeInBytes * vertexCount,
vertices,vertexCount,count,VertexPositionNormalTexture.SizeInBytes);
// XNA 4.0
// the vertices array
VertexPositionNormalTexture[] vertices = new VertexPositionNormalTexture[100];
// set new particles to vertex buffer
vertexBuffer.SetData<VertexPositionNormalTexture>(vertices);
VertexBuffer, StreamOffset, VertexStride, IndexBuffer, BaseVertex
// XNA 3.1
// for each mesh part
foreach (ModelMeshPart meshPart in mesh.MeshParts)
{
// if primitives to render
if (meshPart.PrimitiveCount > 0)
{
// setup vertices and indices
GraphicsDevice.VertexDeclaration = meshPart.VertexDeclaration;
GraphicsDevice.Vertices[0].SetSource(mesh.VertexBuffer, meshPart.StreamOffset, meshPart.VertexStride);
GraphicsDevice.Indices = mesh.IndexBuffer;
...
// XNA 4.0
GraphicsDevice.SamplerStates[0] = SamplerState.LinearWrap; // may be needed in some cases...
// for each mesh part
foreach (ModelMeshPart meshPart in mesh.MeshParts)
{
// if primitives to render
if (meshPart.PrimitiveCount > 0)
{
// setup vertices and indices
GraphicsDevice.SetVertexBuffer(meshPart.VertexBuffer);
GraphicsDevice.Indices = meshPart.IndexBuffer;
...
// XNA 3.1
// draw primitives
GraphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList,
meshPart.BaseVertex, 0, meshPart.NumVertices,
meshPart.StartIndex, meshPart.PrimitiveCount);
// XNA 4.0
// draw primitives
GraphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList,
meshPart.VertexOffset, 0, meshPart.NumVertices,
meshPart.StartIndex, meshPart.PrimitiveCount);
Points, PointSpriteEnable, PointSizeMax, PointList
// XNA 3.1
// create the vertex buffer
vertexBuffer = new VertexBuffer(GraphicsDevice, typeof(VertexPositionNormalTexture),
250, BufferUsage.WriteOnly | BufferUsage.Points);
// XNA 4.0
// create the vertex buffer
vertexBuffer = new VertexBuffer(GraphicsDevice, typeof(VertexPositionNormalTexture),
250, BufferUsage.WriteOnly | BufferUsage.None);
// XNA 3.1
// enable point sprite 3.1
GraphicsDevice.RenderState.PointSpriteEnable = true;
GraphicsDevice.RenderState.PointSizeMax = 128;
// XNA 4.0
// Delete it. No longer available.
// XNA 3.1
// draw the point sprites
GraphicsDevice.DrawPrimitives(PrimitiveType.PointList, vertexPosition, numberVertices);
// XNA 4.0
// draw the point sprites
GraphicsDevice.DrawPrimitives(PrimitiveType.LineList, vertexPosition, numberVertices);
OpenContainer, BeginShowStorageDeviceSelector, EndShowStorageDeviceSelector, Path, TitleLocation, FileStream
// XNA 3.1
// open the container
StorageContainer storageContainer = storageDevice.OpenContainer("YourGameName");
// XNA 4.0
//To make life easier simply create a method to replace the storageDevice.OpenContainer...
/// <summary>
/// Synchronously opens storage container
/// </summary>
private static StorageContainer OpenContainer(StorageDevice storageDevice, string saveGameName)
{
IAsyncResult result = storageDevice.BeginOpenContainer(saveGameName, null, null);
// Wait for the WaitHandle to become signaled.
result.AsyncWaitHandle.WaitOne();
StorageContainer container = storageDevice.EndOpenContainer(result);
// Close the wait handle.
result.AsyncWaitHandle.Close();
return container;
}
// open the container
StorageContainer storageContainer = OpenContainer(storageDevice, "YourGameName");
// XNA 3.1
// retrieve the storage device
Guide.BeginShowStorageDeviceSelector(GetStorageDeviceResult, retrievalDelegate);
// XNA 4.0
// retrieve the storage device
if (!Guide.IsVisible)
{
StorageDevice.BeginShowSelector(GetStorageDeviceResult, retrievalDelegate);
}
// XNA 3.1
// retrieve and store the storage device
storageDevice = Guide.EndShowStorageDeviceSelector(result);
// XNA 4.0
// retrieve and store the storage device
storageDevice = StorageDevice.EndShowSelector(result);
// XNA 3.1
// get the level setup files
string[] filenames = Directory.GetFiles(storageContainer.Path, "LevelSetup*.xml");
// XNA 4.0
// get the level setup files
string[] filenames = storageContainer.GetFileNames("LevelSetup*.xml"");
// XNA 3.1
// save game level data
using (FileStream stream = new FileStream(Path.Combine(storageContainer.Path, levelFilename), FileMode.Create))
{
new XmlSerializer(typeof(SaveGameLevel)).Serialize(stream, levelData);
}
// XNA 4.0
// save game level data
using (Stream stream = storageContainer.OpenFile(levelFilename, FileMode.Create))
{
new XmlSerializer(typeof(SaveGameLevel)).Serialize(stream, levelData);
}
// XNA 3.1
// Delete the saved game level data.
using (StorageContainer storageContainer = storageDevice.OpenContainer("saveGameName"))
{
File.Delete(Path.Combine(storageContainer.Path, saveGameLevel.FileName));
File.Delete(Path.Combine(storageContainer.Path, "SaveGameLevel" +
Path.GetFileNameWithoutExtension(saveGameLevel.FileName).Substring(8) +".xml"));
}
// XNA 4.0
// Delete the saved game level data. NOTE: using OpenContainer method created in previous example
using (StorageContainer storageContainer = OpenContainer(storageDevice, "saveGameName"))
{
storageContainer.DeleteFile(saveGameLevel.FileName);
storageContainer.DeleteFile("SaveGameLevel" +
Path.GetFileNameWithoutExtension(saveGameLevel.FileName).Substring(8) + ".xml");
}
// XNA 3.1
//Load the Next Level...
// Find the path of the next level.
string levelPath;
// Loop here so we can try again when we can't find a level.
while (true)
{
// Try to find the next level. They are sequentially numbered txt files.
levelPath = String.Format("Levels/{0}.txt", ++levelIndex);
levelPath = Path.Combine(StorageContainer.TitleLocation, "Content/" + levelPath);
if (File.Exists(levelPath))
break;
// If there isn't even a level 0, something has gone wrong.
if (levelIndex == 0)
throw new Exception("No levels found.");
// Whenever we can't find a level, start over again at 0.
levelIndex = -1;
}
// Unloads the content for the current level before loading the next one.
if (level != null)
level.Dispose();
// Load the level.
level = new Level(Services, levelPath);
// XNA 4.0
// Load the Next Level...
// move to the next level
levelIndex = (levelIndex + 1) % numberOfLevels;
// Unloads the content for the current level before loading the next one.
if (level != null)
level.Dispose();
// Load the level.
string levelPath = string.Format("Content/Levels/{0}.txt", levelIndex);
using (Stream fileStream = TitleContainer.OpenStream(levelPath))
level = new Level(Services, fileStream, levelIndex);
// XNA 3.1
//Save the current state of the session, with the given storage device.
// check the parameter
if ((storageDevice == null) || !storageDevice.IsConnected)
{
return;
}
// open the container
using (StorageContainer storageContainer = storageDevice.OpenContainer(Session.SaveGameContainerName))
{
string filename;
string descriptionFilename;
// get the filenames
if (overwriteDescription == null)
{
int saveGameIndex = 0;
string testFilename;
do
{
saveGameIndex++;
testFilename = Path.Combine(storageContainer.Path, "SaveGame" + saveGameIndex.ToString() + ".xml");
}
while (File.Exists(testFilename));
filename = testFilename;
descriptionFilename = "SaveGameDescription" + saveGameIndex.ToString() + ".xml";
}
else
{
filename = Path.Combine(storageContainer.Path, overwriteDescription.FileName);
descriptionFilename = "SaveGameDescription" +
Path.GetFileNameWithoutExtension(overwriteDescription.FileName).Substring(8) + ".xml";
}
using (FileStream stream = new FileStream(filename, FileMode.Create))
{
using (XmlWriter xmlWriter = XmlWriter.Create(stream))
{
//create and write xml data...
}
}
// create the save game description
SaveGameDescription description = new SaveGameDescription();
description.FileName = Path.GetFileName(filename);
description.ChapterName = IsQuestLineComplete ? "Quest Line Complete" : Quest.Name;
description.Description = DateTime.Now.ToString();
using (FileStream stream = new FileStream(Path.Combine(storageContainer.Path, descriptionFilename), FileMode.Create))
{
new XmlSerializer(typeof(SaveGameDescription)).Serialize(stream, description);
}
}
// XNA 4.0
//Save the current state of the session, with the given storage device.
// check the parameter
if ((storageDevice == null) || !storageDevice.IsConnected)
{
return;
}
// open the container Note: using OpenContainer method from previous examples
using (StorageContainer storageContainer = OpenContainer(storageDevice, Session.SaveGameContainerName))
{
string filename;
string descriptionFilename;
// get the filenames
if (overwriteDescription == null)
{
int saveGameIndex = 0;
string testFilename;
do
{
saveGameIndex++;
testFilename = "SaveGame" + saveGameIndex.ToString() + ".xml";
}
while (storageContainer.FileExists(testFilename));
filename = testFilename;
descriptionFilename = "SaveGameDescription" + saveGameIndex.ToString() + ".xml";
}
else
{
filename = overwriteDescription.FileName;
descriptionFilename = "SaveGameDescription" +
Path.GetFileNameWithoutExtension(overwriteDescription.FileName).Substring(8) + ".xml";
}
// Note: using Stream instead of FileStream...
using (Stream stream = storageContainer.OpenFile(filename, FileMode.Create))
{
using (XmlWriter xmlWriter = XmlWriter.Create(stream))
{
//create and write xml data...
}
}
// create the save game description
SaveGameDescription description = new SaveGameDescription();
description.FileName = Path.GetFileName(filename);
description.ChapterName = IsQuestLineComplete ? "Quest Line Complete" : Quest.Name;
description.Description = DateTime.Now.ToString();
// Note: using Stream instead of FileStream...
using (Stream stream = storageContainer.OpenFile(descriptionFilename, FileMode.Create))
{
new XmlSerializer(typeof(SaveGameDescription)).Serialize(stream, description);
}
}
VertexShader, PixelShader, ps_1_x
// XNA 3.1
VertexShaderOutput VertexShader(...)
{
//some code
}
float4 PixelShader(...)
{
// some code
}
// XNA 4.0
// VertexShader can not be used
VertexShaderOutput VertexShaderFunction(...)
{
// some code
}
// PixelShader can not be used
float4 PixelShaderFunction(...)
{
// some code
}
// XNA 3.1
technique
{
pass
{
VertexShader = compile vs_1_1 VertexShader();
PixelShader = compile ps_1_1 PixelShader();
}
}
// XNA 4.0
technique
{
pass
{
VertexShader = compile vs_2_0 VertexShaderFunction(); //VertexShader can not be used & set vs higher than 1_1
PixelShader = compile ps_2_0 PixelShaderFunction(); //PixelShader can not be used & set ps higher than 1_1
}
}
XNA Model drawn inside out, slightly transparent, missing parts or just looks wrong
// Set suitable renderstates for drawing a 3D model GraphicsDevice.BlendState = BlendState.Opaque; GraphicsDevice.DepthStencilState = DepthStencilState.Default; // your model draw code starts here...