public TerrainPatchBuilder( )
{
int numVertices = 0;
for ( int level = 0; level < MaxLodLevels; ++level )
{
numVertices += LevelPoolSize( level ) * NumberOfLevelVertices( level );
}
VertexBufferFormat format = new VertexBufferFormat( );
format.Add( VertexFieldSemantic.Position, VertexFieldElementTypeId.Float32, 3 );
format.Add( VertexFieldSemantic.Normal, VertexFieldElementTypeId.Float32, 3 );
GraphicsLog.Info( "Allocating terrain patch builder VBO: {0} vertices in format {1}", numVertices, format );
m_Buffer = Graphics.Factory.CreateVertexBuffer( );
m_Buffer.Create( format, numVertices );
int curVertexIndex = 0;
for ( int level = 0; level < MaxLodLevels; ++level )
{
Lod newLod = new Lod( );
m_LodLevels[ level ] = newLod;
int numLevelVertices = NumberOfLevelVertices( level );
int poolSize = LevelPoolSize( level );
for ( int poolIndex = 0; poolIndex < poolSize; ++poolIndex )
{
newLod.VbPool.Add( curVertexIndex );
curVertexIndex += numLevelVertices;
}
// NOTE: BP: BABY P SAYS HELLO
}
}
/// <summary>
/// Creates the underlying vertex buffer whose memory will be managed by this class
/// </summary>
public void Create( VertexBufferFormat format, int numVertices )
{
m_Vb.Create( format, numVertices );
m_FreeList.Clear( );
m_FreeList.Add( new FreeRange( 0, numVertices ) );
m_Handles.Clear( );
}
public SeaMesh( float width, float depth )
{
VertexBufferFormat vbFormat = new VertexBufferFormat( );
vbFormat.Add( VertexFieldSemantic.Position, VertexFieldElementTypeId.Float32, 3 );
vbFormat.Add( VertexFieldSemantic.Normal, VertexFieldElementTypeId.Float32, 3 );
m_Vertices = Graphics.Factory.CreateVertexBuffer( );
}
/// <summary>
/// Initializes static members of the <see cref="VertexPositionW"/> struct.
/// </summary>
static VertexPositionW()
{
VertexFormat = new VertexBufferFormat(new VertexElementProperties[]
{
new VertexElementProperties(0, VertexElementFormat.Vector3, VertexElementUsage.Position, 0),
new VertexElementProperties(12, VertexElementFormat.Single, VertexElementUsage.Normal, 0)
});
}
/// <summary>
/// Initializes static members of the <see cref="VertexPositionW"/> struct.
/// </summary>
static VertexPositionW()
{
VertexFormat = new VertexBufferFormat(new VertexElementProperties[]
{
new VertexElementProperties(0, VertexElementFormat.Vector3, VertexElementUsage.Position, 0),
new VertexElementProperties(12, VertexElementFormat.Single, VertexElementUsage.Normal, 0)
});
}
/// <summary>
/// Initializes static members of the <see cref="VertexPositionDualTexture"/> struct.
/// </summary>
static VertexPositionDualTexture()
{
VertexFormat = new VertexBufferFormat(new VertexElementProperties[]
{
new VertexElementProperties(0, VertexElementFormat.Vector3, VertexElementUsage.Position, 0),
new VertexElementProperties(16, VertexElementFormat.Vector2, VertexElementUsage.TextureCoordinate, 0),
new VertexElementProperties(24, VertexElementFormat.Vector2, VertexElementUsage.TextureCoordinate, 1),
});
}
/// <summary>
/// Setup constructor
/// </summary>
public VertexBufferBuilder( VertexBufferFormat format )
{
Arguments.CheckNotNull( format, "format" );
format.ValidateFormat( );
m_Format = format;
foreach ( VertexBufferFormat.FieldDescriptor field in format.FieldDescriptors )
{
m_Streams.Add( field.Field, new List<float>( ) );
}
}
/// <summary>
/// Initializes static members of the <see cref="VertexNormalMapping" /> struct.
/// </summary>
static VertexNormalMapping()
{
VertexFormat = new VertexBufferFormat(new VertexElementProperties[]
{
new VertexElementProperties(0, VertexElementFormat.Vector3, VertexElementUsage.Position, 0),
new VertexElementProperties(12, VertexElementFormat.Vector3, VertexElementUsage.Normal, 0),
new VertexElementProperties(24, VertexElementFormat.Vector3, VertexElementUsage.Binormal, 0),
new VertexElementProperties(36, VertexElementFormat.Vector3, VertexElementUsage.Tangent, 0),
new VertexElementProperties(48, VertexElementFormat.Vector2, VertexElementUsage.TextureCoordinate, 0),
});
}
/// <summary>
/// Initializes static members of the <see cref="PointSpriteVertexFormat"/> struct.
/// </summary>
static PointSpriteVertexFormat()
{
VertexFormat = new VertexBufferFormat(new VertexElementProperties[]
{
new VertexElementProperties(0, VertexElementFormat.Vector3, VertexElementUsage.Position, 0),
new VertexElementProperties(12, VertexElementFormat.Color, VertexElementUsage.Color, 0),
new VertexElementProperties(16, VertexElementFormat.Vector2, VertexElementUsage.TextureCoordinate, 0),
new VertexElementProperties(24, VertexElementFormat.Vector4, VertexElementUsage.TextureCoordinate, 1),
new VertexElementProperties(40, VertexElementFormat.Vector2, VertexElementUsage.TextureCoordinate, 2),
new VertexElementProperties(48, VertexElementFormat.Vector2, VertexElementUsage.TextureCoordinate, 3),
});
}
public int GetVertexSize(VertexBufferFormat type)
{
switch (type)
{
case VertexBufferFormat.AmbientPrt:
return(0x4);
case VertexBufferFormat.LinearPrt:
return(0x4);
case VertexBufferFormat.QuadraticPrt:
return(0x24);
case VertexBufferFormat.Decorator:
return(0x20);
case VertexBufferFormat.ParticleModel:
return(0x20);
case VertexBufferFormat.Rigid:
return(0x38);
case VertexBufferFormat.Skinned:
return(0x40);
case VertexBufferFormat.StaticPerPixel:
return(0x8);
case VertexBufferFormat.StaticPerVertex:
return(0x14);
case VertexBufferFormat.StaticPerVertexColor:
return(0xC);
case VertexBufferFormat.TinyPosition:
return(0x10);
case VertexBufferFormat.World:
case VertexBufferFormat.World2:
return(0x38);
case VertexBufferFormat.Unknown1A:
return(0xC);
case VertexBufferFormat.Unknown1B:
return(0x18);
default:
return(-1);
}
}
public PatchGrid( Terrain terrain, int gridWidth, int gridHeight )
{
int highestRes = Patch.GetLevelResolution( Patch.HighestDetailLod );
highestRes *= highestRes;
VertexBufferFormat format = new VertexBufferFormat( );
format.Add( VertexFieldSemantic.Position, VertexFieldElementTypeId.Float32, 3 );
m_Vb = RbGraphics.Factory.CreateVertexBuffer( );
m_Vb.Create( format, gridWidth * gridHeight * highestRes );
m_Patches = new Patch[ gridWidth, gridHeight ];
float z = -PatchDepth * ( gridHeight / 2 );
float xInc = PatchWidth;
float zInc = PatchDepth;
float maxWidth = gridWidth * PatchWidth;
float maxHeight = gridWidth * PatchDepth;
terrain.SetTerrainArea( maxWidth, maxHeight );
int vbOffset = 0;
for ( int row = 0; row < gridHeight; ++row, z += zInc )
{
float x = -PatchWidth * ( gridWidth / 2 );
for ( int col = 0; col < gridWidth; ++col, x += xInc )
{
Color c = ( ( col + row ) % 2 ) == 0 ? Color.Black : Color.White;
m_Patches[ col, row ] = new Patch( terrain, vbOffset, x, z, PatchWidth, PatchDepth, c );
vbOffset += highestRes;
}
}
int maxCol = gridWidth - 1;
int maxRow = gridHeight - 1;
for ( int row = 0; row < gridHeight; ++row )
{
for ( int col = 0; col < gridWidth; ++col )
{
Patch left = ( col == 0 ) ? null : ( m_Patches[ col - 1, row ] );
Patch right = ( col == maxCol ) ? null : ( m_Patches[ col + 1, row ] );
Patch up = ( row == 0 ) ? null : ( m_Patches[ col, row - 1] );
Patch down = ( row == maxRow ) ? null : ( m_Patches[ col, row + 1 ] );
m_Patches[ col, row ].Link( left, right, up, down );
}
}
}
public QuadPatchVertices( )
{
VertexBufferFormat format = new VertexBufferFormat( );
format.Add( VertexFieldSemantic.Position, VertexFieldElementTypeId.Float32, 3 );
m_Vb = Graphics.Factory.CreateVertexBuffer( );
m_Vb.Create( format, QuadPatch.PatchResolution * QuadPatch.PatchResolution * PoolSize );
int vertexIndex = 0;
for ( int i = 0; i < PoolSize; ++i )
{
m_FreeList.Add( vertexIndex );
vertexIndex += QuadPatch.PatchResolution * QuadPatch.PatchResolution;
}
}
/// <summary>
/// Default constructor
/// </summary>
public TerrainPatchVertices( )
{
VertexBufferFormat format = new VertexBufferFormat( );
format.Add( VertexFieldSemantic.Position, VertexFieldElementTypeId.Float32, 3 );
format.Add( VertexFieldSemantic.Normal, VertexFieldElementTypeId.Float32, 3 );
format.Add( VertexFieldSemantic.Texture0, VertexFieldElementTypeId.Float32, 2 );
format.Add( VertexFieldSemantic.Texture1, VertexFieldElementTypeId.Float32, 2 );
GraphicsLog.Info( "Creating terrain patch vertex pool using format {0}", format );
m_Vb = Graphics.Factory.CreateVertexBuffer( );
m_Vb.Create( format, TerrainPatchConstants.PatchTotalVertexCount * PoolSize );
Clear( );
}
public void UnbindVertices()
{
VertexFormat = VertexBufferFormat.Invalid;
RigidVertices = null;
SkinnedVertices = null;
}
private void BuildBuffers( int maxParticles )
{
m_MaxParticles = maxParticles;
m_Vb = Graphics.Factory.CreateVertexBuffer( );
VertexBufferFormat vbFormat = new VertexBufferFormat( );
vbFormat.Add( VertexFieldSemantic.Position, VertexFieldElementTypeId.Float32, 3 );
vbFormat.Add( VertexFieldSemantic.Texture0, VertexFieldElementTypeId.Float32, 2 );
vbFormat.Static = false;
m_Vb.Create( vbFormat, maxParticles * 4 );
m_Ib = Graphics.Factory.CreateIndexBuffer( );
ushort[] indices = new ushort[ maxParticles * 6 ];
int curIndex = 0;
ushort indexValue = 0;
for ( int particleCount = 0; particleCount < maxParticles; ++particleCount )
{
indices[ curIndex++ ] = indexValue;
indices[ curIndex++ ] = ( ushort )( indexValue + 1 );
indices[ curIndex++ ] = ( ushort )( indexValue + 3 );
indices[ curIndex++ ] = ( ushort )( indexValue + 1 );
indices[ curIndex++ ] = ( ushort )( indexValue + 2 );
indices[ curIndex++ ] = ( ushort )( indexValue + 3 );
indexValue += 4;
}
m_Ib.Create( indices, true );
}
/// <summary>
/// Creates a geo sphere
/// </summary>
private IRenderable CreateGeoSphere( Units.Metres radius, int subdivisions )
{
m_GeometryRadius = radius;
Vector3[] sideNormals = new Vector3[ 6 ]
{
new Vector3( 1, 0, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),
new Vector3( -1, 0, 0 ), new Vector3( 0, -1, 0 ), new Vector3( 0, 0, -1 )
};
VertexBufferFormat format = new VertexBufferFormat( );
format.Add<float>( VertexFieldSemantic.Position, 3 );
format.Add<float>( VertexFieldSemantic.Normal, 3 );
format.Add<float>( VertexFieldSemantic.Texture0, 2 );
float renderRadius = radius.ToRenderUnits;
float modelSideLength = 10.0f;
float uvMul = 1.0f / subdivisions;
VertexBufferBuilder vbBuilder = new VertexBufferBuilder( format );
for ( int sideNormalIndex = 0; sideNormalIndex < sideNormals.Length; ++sideNormalIndex )
{
Vector3 sideNormal = sideNormals[ sideNormalIndex ];
Vector3 xAxis = sideNormals[ ( sideNormalIndex + 1 ) % sideNormals.Length ];
Vector3 yAxis = sideNormals[ ( sideNormalIndex + 2 ) % sideNormals.Length ];
Vector3 xStride = xAxis * modelSideLength;
Vector3 yStride = yAxis * modelSideLength;
Vector3 xStep = xStride / subdivisions;
Vector3 yStep = yStride / subdivisions;
Point3 mid = Point3.Origin + sideNormal * modelSideLength / 2;
Point3 topLeft = mid - ( xStride / 2 ) - ( yStride / 2 );
Point3 sidePos = topLeft;
for ( int y = 0; y < subdivisions; ++y )
{
Point3 curPos = sidePos;
float v = y * uvMul;
float nV = ( y + 1 ) * uvMul;
for ( int x = 0; x < subdivisions; ++x )
{
Vector3 sphereNormal = curPos.ToVector3( ).MakeNormal( );
Vector3 sphereNxNormal = ( curPos + xStep ).ToVector3( ).MakeNormal( );
Vector3 sphereNyNormal = ( curPos + yStep ).ToVector3( ).MakeNormal( );
Vector3 sphereNxNyNormal = ( curPos + xStep + yStep ).ToVector3( ).MakeNormal( );
Point3 spherePos = ( sphereNormal * renderRadius ).ToPoint3( );
Point3 sphereNxPos = ( sphereNxNormal * renderRadius ).ToPoint3( );
Point3 sphereNyPos = ( sphereNyNormal * renderRadius ).ToPoint3( );
Point3 sphereNxNyPos = ( sphereNxNyNormal * renderRadius ).ToPoint3( );
float u = x * uvMul;
float nU = ( x + 1 ) * uvMul;
vbBuilder.Add( VertexFieldSemantic.Position, spherePos );
vbBuilder.Add( VertexFieldSemantic.Normal, sphereNormal );
vbBuilder.Add( VertexFieldSemantic.Texture0, u, v );
vbBuilder.Add( VertexFieldSemantic.Position, sphereNxPos );
vbBuilder.Add( VertexFieldSemantic.Normal, sphereNxNormal );
vbBuilder.Add( VertexFieldSemantic.Texture0, nU, v );
vbBuilder.Add( VertexFieldSemantic.Position, sphereNyPos );
vbBuilder.Add( VertexFieldSemantic.Normal, sphereNyNormal );
vbBuilder.Add( VertexFieldSemantic.Texture0, u, nV );
vbBuilder.Add( VertexFieldSemantic.Position, sphereNxPos );
vbBuilder.Add( VertexFieldSemantic.Normal, sphereNxNormal );
vbBuilder.Add( VertexFieldSemantic.Texture0, nU, v );
vbBuilder.Add( VertexFieldSemantic.Position, sphereNxNyPos );
vbBuilder.Add( VertexFieldSemantic.Normal, sphereNxNyNormal );
vbBuilder.Add( VertexFieldSemantic.Texture0, nU, nV );
vbBuilder.Add( VertexFieldSemantic.Position, sphereNyPos );
vbBuilder.Add( VertexFieldSemantic.Normal, sphereNyNormal );
vbBuilder.Add( VertexFieldSemantic.Texture0, u, nV );
curPos += xStep;
}
sidePos += yStep;
}
}
return new VertexBufferRenderer( vbBuilder.Build( ), PrimitiveType.TriList );
}
/// <summary>
/// 修改Buffer
/// </summary>
/// <param name="chunkManager"></param>
/// <param name="eventId"></param>
/// <param name="fillWithNumIndex"></param>
/// <param name="characterWidth">字符宽度</param>
public static void Modify(ChunkManager chunkManager, int eventId, int fillWithNumIndex, float characterWidth = 8f)
{
Chunk_IASetVertexBuffers chunk = chunkManager.allChunks[eventId + chunkManager.CaptureBeginChunkIndex - 1] as Chunk_IASetVertexBuffers;
if (chunk == null)
{
Console.WriteLine($"chunk {eventId} is not a valid Chunk_IASetVertexBuffers");
return;
}
uint stride = chunk.pStrides[0];
uint offset = chunk.pOffsets[0];
Chunk_CreateBuffer createBuffer = chunk.parent as Chunk_CreateBuffer;
if (createBuffer == null)
{
Console.WriteLine("chunk dos not has a valid CreateBuffer parent");
return;
}
int dataOffset = createBuffer.pInitialData != null ? createBuffer.pInitialData.sysMemDataOffset : createBuffer.data.sysMemDataOffset;
const int UID_PREFIX_COUNT = 5; // 前5个文字为 <UID: >前缀
uint perDrawLen = createBuffer.Descriptor.ByteWidth / 5; // 带阴影的文字会画5遍
uint uidCount = (perDrawLen / stride) / 6 - UID_PREFIX_COUNT; // uid采用每个文字使用6个顶点的方式
uint uidDataOffset = UID_PREFIX_COUNT * 6 * stride + offset;
// 找出指定字符使用的6个顶点的uv
VertexBufferFormat[] fillVal = new VertexBufferFormat[6];
fixed(void *pFill = &chunkManager.section.uncompressedData[dataOffset + uidDataOffset + fillWithNumIndex * 6 * stride])
{
VertexBufferFormat *pUidFill = (VertexBufferFormat *)pFill;
for (int i = 0; i < 6; i++)
{
fillVal[i].u = pUidFill->u;
fillVal[i].v = pUidFill->v;
pUidFill++;
}
}
// 开始替换数据
int perDrawUidDataOffset = (int)uidDataOffset;
for (int i = 0; i < 5; i++) // 带阴影的文字会画5遍
{
fixed(void *pData = &chunkManager.section.uncompressedData[dataOffset + perDrawUidDataOffset])
{
VertexBufferFormat *pDst = (VertexBufferFormat *)pData;
for (int j = 0; j < uidCount * 6; j++)
{
// 当前轮次都以第一个字符的位置为基准
if (j < 6)
{
fillVal[j].x = pDst->x;
fillVal[j].y = pDst->y;
fillVal[j].z = pDst->z;
}
pDst->x = fillVal[j % 6].x + (j / 6) * characterWidth;
pDst->y = fillVal[j % 6].y;
pDst->z = fillVal[j % 6].z;
pDst->u = fillVal[j % 6].u;
pDst->v = fillVal[j % 6].v;
pDst++;
}
}
perDrawUidDataOffset += (int)perDrawLen;
}
}
public VertexBufferObject(VertexBufferFormat Format, float[] Data)
{
Format_ = Format;
Data_ = Data;
Vertices_ = Parse();
}
/// <summary>
/// Setup constructor. Creates the underlying vertex buffer whose memory will be managed by this class
/// </summary>
public ManagedVertexBuffer( VertexBufferFormat format, int numVertices )
{
Create( format, numVertices );
}
