| public GetWorldHeight ( int x, int z ) : Real | ||
| x | int | |
| z | int | |
| Результат | Real | |
public void Init( TerrainOptions options )
{
this.options = options;
this.numMipMaps = options.maxMipmap;
this.size = options.size;
this.terrain = new VertexData();
this.terrain.vertexStart = 0;
this.terrain.vertexCount = options.size*options.size;
VertexDeclaration decl = this.terrain.vertexDeclaration;
VertexBufferBinding binding = this.terrain.vertexBufferBinding;
int offset = 0;
// Position/Normal
decl.AddElement( POSITION, 0, VertexElementType.Float3, VertexElementSemantic.Position );
decl.AddElement( NORMAL, 0, VertexElementType.Float3, VertexElementSemantic.Normal );
// TexCoords
decl.AddElement( TEXCOORD, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 0 );
offset += VertexElement.GetTypeSize( VertexElementType.Float2 );
decl.AddElement( TEXCOORD, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 1 );
offset += VertexElement.GetTypeSize( VertexElementType.Float2 );
// TODO: Color
HardwareVertexBuffer buffer = HardwareBufferManager.Instance.CreateVertexBuffer( decl.Clone( POSITION ),
this.terrain.vertexCount,
BufferUsage.StaticWriteOnly, true );
binding.SetBinding( POSITION, buffer );
buffer = HardwareBufferManager.Instance.CreateVertexBuffer( decl.Clone( NORMAL ), this.terrain.vertexCount,
BufferUsage.StaticWriteOnly, true );
binding.SetBinding( NORMAL, buffer );
buffer = HardwareBufferManager.Instance.CreateVertexBuffer( decl.Clone( TEXCOORD ), this.terrain.vertexCount,
BufferUsage.StaticWriteOnly, true );
binding.SetBinding( TEXCOORD, buffer );
this.minLevelDistSqr = new float[this.numMipMaps];
int endx = options.startx + options.size;
int endz = options.startz + options.size;
// TODO: name buffers different so we can unlock
HardwareVertexBuffer posBuffer = binding.GetBuffer( POSITION );
var pos = posBuffer.Lock( BufferLocking.Discard );
HardwareVertexBuffer texBuffer = binding.GetBuffer( TEXCOORD );
var tex = texBuffer.Lock( BufferLocking.Discard );
float min = 99999999, max = 0;
#if !AXIOM_SAFE_ONLY
unsafe
#endif
{
var posPtr = pos.ToFloatPointer();
var texPtr = tex.ToFloatPointer();
int posCount = 0;
int texCount = 0;
for ( int j = options.startz; j < endz; j++ )
{
for ( int i = options.startx; i < endx; i++ )
{
float height = options.GetWorldHeight( i, j )*options.scaley;
posPtr[ posCount++ ] = i*options.scalex;
posPtr[ posCount++ ] = height;
posPtr[ posCount++ ] = j*options.scalez;
texPtr[ texCount++ ] = (float)i/options.worldSize;
texPtr[ texCount++ ] = (float)j/options.worldSize;
texPtr[ texCount++ ] = ( (float)i/options.size )*options.detailTile;
texPtr[ texCount++ ] = ( (float)j/options.size )*options.detailTile;
if ( height < min )
{
min = height;
}
if ( height > max )
{
max = height;
}
} // for i
} // for j
} // unsafe
// unlock the buffers
posBuffer.Unlock();
texBuffer.Unlock();
this.box.SetExtents( new Vector3( options.startx*options.scalex, min, options.startz*options.scalez ),
new Vector3( ( endx - 1 )*options.scalex, max, ( endz - 1 )*options.scalez ) );
this.center = new Vector3( ( options.startx*options.scalex + endx - 1 )/2, ( min + max )/2,
( options.startz*options.scalez + endz - 1 )/2 );
float C = CalculateCFactor();
CalculateMinLevelDist2( C );
}
public void Init(TerrainOptions options)
{
this.options = options;
this.numMipMaps = options.maxMipmap;
this.size = options.size;
this.terrain = new VertexData();
this.terrain.vertexStart = 0;
this.terrain.vertexCount = options.size * options.size;
VertexDeclaration decl = this.terrain.vertexDeclaration;
VertexBufferBinding binding = this.terrain.vertexBufferBinding;
int offset = 0;
// Position/Normal
decl.AddElement(POSITION, 0, VertexElementType.Float3, VertexElementSemantic.Position);
decl.AddElement(NORMAL, 0, VertexElementType.Float3, VertexElementSemantic.Normal);
// TexCoords
decl.AddElement(TEXCOORD, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 0);
offset += VertexElement.GetTypeSize(VertexElementType.Float2);
decl.AddElement(TEXCOORD, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 1);
offset += VertexElement.GetTypeSize(VertexElementType.Float2);
// TODO: Color
HardwareVertexBuffer buffer = HardwareBufferManager.Instance.CreateVertexBuffer(decl.Clone(POSITION),
this.terrain.vertexCount,
BufferUsage.StaticWriteOnly, true);
binding.SetBinding(POSITION, buffer);
buffer = HardwareBufferManager.Instance.CreateVertexBuffer(decl.Clone(NORMAL), this.terrain.vertexCount,
BufferUsage.StaticWriteOnly, true);
binding.SetBinding(NORMAL, buffer);
buffer = HardwareBufferManager.Instance.CreateVertexBuffer(decl.Clone(TEXCOORD), this.terrain.vertexCount,
BufferUsage.StaticWriteOnly, true);
binding.SetBinding(TEXCOORD, buffer);
this.minLevelDistSqr = new float[this.numMipMaps];
int endx = options.startx + options.size;
int endz = options.startz + options.size;
// TODO: name buffers different so we can unlock
HardwareVertexBuffer posBuffer = binding.GetBuffer(POSITION);
var pos = posBuffer.Lock(BufferLocking.Discard);
HardwareVertexBuffer texBuffer = binding.GetBuffer(TEXCOORD);
var tex = texBuffer.Lock(BufferLocking.Discard);
float min = 99999999, max = 0;
#if !AXIOM_SAFE_ONLY
unsafe
#endif
{
var posPtr = pos.ToFloatPointer();
var texPtr = tex.ToFloatPointer();
int posCount = 0;
int texCount = 0;
for (int j = options.startz; j < endz; j++)
{
for (int i = options.startx; i < endx; i++)
{
float height = options.GetWorldHeight(i, j) * options.scaley;
posPtr[posCount++] = i * options.scalex;
posPtr[posCount++] = height;
posPtr[posCount++] = j * options.scalez;
texPtr[texCount++] = (float)i / options.worldSize;
texPtr[texCount++] = (float)j / options.worldSize;
texPtr[texCount++] = ((float)i / options.size) * options.detailTile;
texPtr[texCount++] = ((float)j / options.size) * options.detailTile;
if (height < min)
{
min = height;
}
if (height > max)
{
max = height;
}
} // for i
} // for j
} // unsafe
// unlock the buffers
posBuffer.Unlock();
texBuffer.Unlock();
this.box.SetExtents(new Vector3(options.startx * options.scalex, min, options.startz * options.scalez),
new Vector3((endx - 1) * options.scalex, max, (endz - 1) * options.scalez));
this.center = new Vector3((options.startx * options.scalex + endx - 1) / 2, (min + max) / 2,
(options.startz * options.scalez + endz - 1) / 2);
float C = CalculateCFactor();
CalculateMinLevelDist2(C);
}
public void Init(TerrainOptions options)
{
this.options = options;
numMipMaps = options.maxMipmap;
size = options.size;
terrain = new VertexData();
terrain.vertexStart = 0;
// Turbo: appended factor 3
// Not sure about that, but without that the terrain manager seems
// to mess up memory because of buffer overruns
//terrain.vertexCount = options.size * options.size;
terrain.vertexCount = options.size * options.size * 3;
VertexDeclaration decl = terrain.vertexDeclaration;
VertexBufferBinding binding = terrain.vertexBufferBinding;
int offset = 0;
// Position/Normal
decl.AddElement(POSITION, 0, VertexElementType.Float3, VertexElementSemantic.Position);
decl.AddElement(NORMAL, 0, VertexElementType.Float3, VertexElementSemantic.Normal);
// TexCoords
decl.AddElement(TEXCOORD, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 0);
offset += VertexElement.GetTypeSize(VertexElementType.Float2);
decl.AddElement(TEXCOORD, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 1);
offset += VertexElement.GetTypeSize(VertexElementType.Float2);
// TODO: Color
HardwareVertexBuffer buffer =
HardwareBufferManager.Instance.CreateVertexBuffer(
decl.GetVertexSize(POSITION),
terrain.vertexCount,
BufferUsage.StaticWriteOnly, true);
binding.SetBinding(POSITION, buffer);
buffer =
HardwareBufferManager.Instance.CreateVertexBuffer(
decl.GetVertexSize(NORMAL),
terrain.vertexCount,
BufferUsage.StaticWriteOnly, true);
binding.SetBinding(NORMAL, buffer);
buffer =
HardwareBufferManager.Instance.CreateVertexBuffer(
offset,
terrain.vertexCount,
BufferUsage.StaticWriteOnly, true);
binding.SetBinding(TEXCOORD, buffer);
minLevelDistSqr = new float[numMipMaps];
int endx = options.startx + options.size;
int endz = options.startz + options.size;
// TODO: name buffers different so we can unlock
HardwareVertexBuffer posBuffer = binding.GetBuffer(POSITION);
IntPtr pos = posBuffer.Lock(BufferLocking.Discard);
HardwareVertexBuffer texBuffer = binding.GetBuffer(TEXCOORD);
IntPtr tex = texBuffer.Lock(BufferLocking.Discard);
float min = 99999999, max = 0;
unsafe {
float *posPtr = (float *)pos.ToPointer();
float *texPtr = (float *)tex.ToPointer();
int posCount = 0;
int texCount = 0;
for (int j = options.startz; j < endz; j++)
{
for (int i = options.startx; i < endx; i++)
{
float height = options.GetWorldHeight(i, j) * options.scaley;
posPtr[posCount++] = (float)i * options.scalex;
posPtr[posCount++] = height;
posPtr[posCount++] = (float)j * options.scalez;
texPtr[texCount++] = (float)i / (float)options.worldSize;
texPtr[texCount++] = (float)j / (float)options.worldSize;
texPtr[texCount++] = ((float)i / (float)options.size) * (float)options.detailTile;
texPtr[texCount++] = ((float)j / (float)options.size) * (float)options.detailTile;
if (height < min)
{
min = height;
}
if (height > max)
{
max = height;
}
} // for i
} // for j
} // unsafe
// unlock the buffers
posBuffer.Unlock();
texBuffer.Unlock();
box.SetExtents(
new Vector3((float)options.startx * options.scalex, min, (float)options.startz * options.scalez),
new Vector3((float)(endx - 1) * options.scalex, max, (float)(endz - 1) * options.scalez));
center = new Vector3((options.startx * options.scalex + endx - 1) / 2,
(min + max) / 2,
(options.startz * options.scalez + endz - 1) / 2);
float C = CalculateCFactor();
CalculateMinLevelDist2(C);
}
public void Init(TerrainOptions options)
{
this.options = options;
numMipMaps = options.maxMipmap;
size = options.size;
terrain = new VertexData();
terrain.vertexStart = 0;
// Turbo: appended factor 3
// Not sure about that, but without that the terrain manager seems
// to mess up memory because of buffer overruns
//terrain.vertexCount = options.size * options.size;
terrain.vertexCount = options.size * options.size * 3;
VertexDeclaration decl = terrain.vertexDeclaration;
VertexBufferBinding binding = terrain.vertexBufferBinding;
int offset = 0;
// Position/Normal
decl.AddElement(POSITION, 0, VertexElementType.Float3, VertexElementSemantic.Position);
decl.AddElement(NORMAL, 0, VertexElementType.Float3, VertexElementSemantic.Normal);
// TexCoords
decl.AddElement(TEXCOORD, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 0);
offset += VertexElement.GetTypeSize(VertexElementType.Float2);
decl.AddElement(TEXCOORD, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 1);
offset += VertexElement.GetTypeSize(VertexElementType.Float2);
// TODO: Color
HardwareVertexBuffer buffer =
HardwareBufferManager.Instance.CreateVertexBuffer(
decl.GetVertexSize(POSITION),
terrain.vertexCount,
BufferUsage.StaticWriteOnly, true);
binding.SetBinding(POSITION, buffer);
buffer =
HardwareBufferManager.Instance.CreateVertexBuffer(
decl.GetVertexSize(NORMAL),
terrain.vertexCount,
BufferUsage.StaticWriteOnly, true);
binding.SetBinding(NORMAL, buffer);
buffer =
HardwareBufferManager.Instance.CreateVertexBuffer(
offset,
terrain.vertexCount,
BufferUsage.StaticWriteOnly, true);
binding.SetBinding(TEXCOORD, buffer);
minLevelDistSqr = new float[numMipMaps];
int endx = options.startx + options.size;
int endz = options.startz + options.size;
// TODO: name buffers different so we can unlock
HardwareVertexBuffer posBuffer = binding.GetBuffer(POSITION);
IntPtr pos = posBuffer.Lock(BufferLocking.Discard);
HardwareVertexBuffer texBuffer = binding.GetBuffer(TEXCOORD);
IntPtr tex = texBuffer.Lock(BufferLocking.Discard);
float min = 99999999, max = 0;
unsafe {
float* posPtr = (float*)pos.ToPointer();
float* texPtr = (float*)tex.ToPointer();
int posCount = 0;
int texCount = 0;
for(int j = options.startz; j < endz; j++) {
for(int i = options.startx; i < endx; i++) {
float height = options.GetWorldHeight(i, j) * options.scaley;
posPtr[posCount++] = (float)i * options.scalex;
posPtr[posCount++] = height;
posPtr[posCount++] = (float)j * options.scalez;
texPtr[texCount++] = (float)i / (float)options.worldSize;
texPtr[texCount++] = (float)j / (float)options.worldSize;
texPtr[texCount++] = ((float)i / (float)options.size) * (float)options.detailTile;
texPtr[texCount++] = ((float)j / (float)options.size) * (float)options.detailTile;
if(height < min) {
min = height;
}
if(height > max) {
max = height;
}
} // for i
} // for j
} // unsafe
// unlock the buffers
posBuffer.Unlock();
texBuffer.Unlock();
box.SetExtents(
new Vector3((float) options.startx * options.scalex, min, (float)options.startz * options.scalez),
new Vector3((float)(endx - 1) * options.scalex, max, (float)(endz - 1) * options.scalez));
center = new Vector3((options.startx * options.scalex + endx - 1) / 2,
(min + max) / 2,
(options.startz * options.scalez + endz - 1) / 2);
float C = CalculateCFactor();
CalculateMinLevelDist2(C);
}
