public CountryInfo(Continent continent, string administrativeName, IGeometry geomentryData,
Uri smallFlag, Uri largeFlag,
bool longitudeWrap, int zIndex, double toleranceLow, double toleranceHi)
{
Continent = continent;
AdministrativeName = administrativeName;
if (geomentryData is Polygon)
{
var delta = ((Polygon)geomentryData).GetArea().Value;
GeomentryData = new List <GeoPolygon> {
ConvertPolygon((Polygon)geomentryData, false, longitudeWrap)
};
}
else if (geomentryData is MultiPolygon)
{
var polygons = ((MultiPolygon)geomentryData).Geometries
.Cast <Polygon>()
.Where(p => p.GetArea().Value > 0)
.Select(p => new { Polygon = p, Area = p.GetArea().Value, Bounds = p.GetBounds() })
.ToList();
var countryBounds = geomentryData.GetBounds();
var area = polygons.MaxBy(a => a.Area);
var dist = Math.Sqrt(
Math.Pow(countryBounds.MaxLon - countryBounds.MinLon - area.Bounds.MaxLon + area.Bounds.MinLon, 2) +
Math.Pow(countryBounds.MaxLat - countryBounds.MinLat - area.Bounds.MaxLat + area.Bounds.MinLat, 2)
);
var total = polygons.Sum(a => a.Area);
GeomentryData = polygons
.Select(p => ConvertPolygon(p.Polygon, p.Area / total < (toleranceLow + toleranceHi * GetDistance(area.Bounds, p.Bounds) / dist), longitudeWrap))
.ToList();
}
else
{
GeomentryData = new List <GeoPolygon>();
}
var bounds = GeomentryData.Where(p => !p.Ignored);
Bounds = new GeoBounds(
bounds.Min(p => p.Bounds.Left),
bounds.Min(p => p.Bounds.Top),
bounds.Max(p => p.Bounds.Right),
bounds.Max(p => p.Bounds.Bottom));
SmallFlag = smallFlag;
LargeFlag = largeFlag;
Borders = new List <IBorderInfo>();
ZIndex = zIndex;
IsSmall = GeomentryData.Max(g => g.Area) < SmallCountryAreaThreshold;
}
protected override void unloadUnmanagedResources()
{
colorBuffer.Dispose();
blurredRt1.Dispose();
nrmDepthBuffer.Dispose();
edgeResultBuffer.Dispose();
indexBuffer.Dispose();
quad.Dispose();
smallQuad.Dispose();
quadOp = null;
smallQuadOp = null;
quad = null;
smallQuad = null;
indexBuffer = null;
colorBuffer = null;
blurredRt1 = null;
//colorTarget = null;
//bloom = null;
}
/// <summary>
/// This implements the method in resource, to load the mesh data(vertex buffer, index buffer)
/// of this terrain tile.
/// </summary>
protected override void load()
{
// 读取地形数据
// This line will load the terrain data in this tile.
float[] data = TerrainData.Instance.GetData(tileX, tileY, terrEdgeSize);
float radtc = MathEx.Degree2Radian(tileCol);
float radtl = MathEx.Degree2Radian(tileLat);
float radSpan = MathEx.Degree2Radian(10);
int vertexCount = terrEdgeSize * terrEdgeSize;
int terrEdgeLen = terrEdgeSize - 1;
if (terrEdgeSize == 33)
material.SetEffect(EffectManager.Instance.GetModelEffect(TerrainEffect33Factory.Name));
else
material.SetEffect(EffectManager.Instance.GetModelEffect(TerrainEffect17Factory.Name));
#region 顶点数据
vtxDecl = factory.CreateVertexDeclaration(TerrainVertex.Elements);
vtxBuffer = factory.CreateVertexBuffer(vertexCount, vtxDecl, BufferUsage.WriteOnly);
TerrainVertex[] vtxArray = new TerrainVertex[vertexCount];
float cellAngle = radSpan / (float)terrEdgeLen;
#region 计算顶点坐标
// Caluclate the position of each vertex
// i为纬度方向
// i is in the latitude direction
for (int i = 0; i < terrEdgeSize; i++)
{
// j为经度方向
// j is in the longitude direction
for (int j = 0; j < terrEdgeSize; j++)
{
Vector3 pos = PlanetEarth.GetPosition(radtc + j * cellAngle, radtl - i * cellAngle);
int index = i * terrEdgeSize + j;
// 计算海拔高度
// calculate the elevation
float height = (data[index] - TerrainMeshManager.PostZeroLevel) * TerrainMeshManager.PostHeightScale;
//if (height > 0)
//{
// height = (height - 0) * TerrainMeshManager.PostHeightScale;
//}
//else
//{
// height *= TerrainMeshManager.PostHeightScale;
// height -= 10;
// //if (height < -30)
// // height = -30;
//}
Vector3 normal = pos;
normal.Normalize();
vtxArray[index].Position = pos + normal * height;
// this index is used to generate detailed texture coordinate in vertex shader
vtxArray[index].Index = index;
// map the texture coordinate for global texturing
float curCol = radtc + j * cellAngle;
float curLat = radSpan + radtl - i * cellAngle;
curCol += MathEx.PIf;
curLat -= MathEx.Degree2Radian(10);
vtxArray[index].u = 0.5f * curCol / MathEx.PIf;
vtxArray[index].v = (-curLat + MathEx.PiOver2) / MathEx.PIf;
}
}
#endregion
#endregion
#region 索引数据
SharedIndexData sindexData = TerrainMeshManager.Instance.GetIndexData(terrEdgeSize);
indexBuffer = sindexData.Index;
#endregion
#region 构造GeomentryData
defGeometryData = new GeomentryData();
defGeometryData.VertexDeclaration = vtxDecl;
defGeometryData.VertexSize = TerrainVertex.Size;
defGeometryData.VertexBuffer = vtxBuffer;
defGeometryData.IndexBuffer = indexBuffer;
defGeometryData.PrimCount = indexBuffer.IndexCount / 3;
defGeometryData.VertexCount = terrEdgeSize * terrEdgeSize;
defGeometryData.PrimitiveType = RenderPrimitiveType.TriangleList;
defGeometryData.BaseVertex = 0;
#endregion
vtxBuffer.SetData<TerrainVertex>(vtxArray);
}
protected override void unloadUnmanagedResources()
{
colorBuffer.Dispose();
blurredRt1.Dispose();
nrmDepthBuffer.Dispose();
edgeResultBuffer.Dispose();
indexBuffer.Dispose();
quad.Dispose();
smallQuad.Dispose();
quadOp = null;
smallQuadOp = null;
quad = null;
smallQuad = null;
indexBuffer = null;
colorBuffer = null;
blurredRt1 = null;
//colorTarget = null;
//bloom = null;
}
protected unsafe override void loadUnmanagedResources()
{
Viewport vp = renderSys.Viewport;
Size blmSize = new Size(vp.Width / 2, vp.Height / 2);
Size scrnSize = new Size(vp.Width, vp.Height);
blurredRt1 = factory.CreateRenderTarget(blmSize.Width, blmSize.Height, ImagePixelFormat.A8R8G8B8);
blurredRt2 = factory.CreateRenderTarget(blmSize.Width, blmSize.Height, ImagePixelFormat.A8R8G8B8);
colorBuffer = factory.CreateRenderTarget(scrnSize.Width, scrnSize.Height, ImagePixelFormat.A8R8G8B8);
nrmDepthBuffer = factory.CreateRenderTarget(scrnSize.Width, scrnSize.Height, ImagePixelFormat.A8R8G8B8);
edgeResultBuffer = factory.CreateRenderTarget(scrnSize.Width, scrnSize.Height, ImagePixelFormat.A8R8G8B8);
#region 计算参数
guassFilter = new GuassBlurFilter(SampleCount, BlurAmount, blmSize.Width, blmSize.Height);
#endregion
#region 建立屏幕quad
quad = factory.CreateVertexBuffer(4, vtxDecl, BufferUsage.Static);
float adj = -0.5f;
RectVertex* vdst = (RectVertex*)quad.Lock(0, 0, LockMode.None);
vdst[0].Position = new Vector4(adj, adj, 0, 1);
vdst[0].TexCoord = new Vector2(0, 0);
vdst[1].Position = new Vector4(scrnSize.Width + adj, adj, 0, 1);
vdst[1].TexCoord = new Vector2(1, 0);
vdst[2].Position = new Vector4(adj, scrnSize.Height + adj, 0, 1);
vdst[2].TexCoord = new Vector2(0, 1);
vdst[3].Position = new Vector4(scrnSize.Width + adj, scrnSize.Height + adj, 0, 1);
vdst[3].TexCoord = new Vector2(1, 1);
quad.Unlock();
#endregion
#region 建立小quad
smallQuad = factory.CreateVertexBuffer(4, vtxDecl, BufferUsage.Static);
vdst = (RectVertex*)smallQuad.Lock(0, 0, LockMode.None);
vdst[0].Position = new Vector4(adj, adj, 0, 1);
vdst[0].TexCoord = new Vector2(0, 0);
vdst[1].Position = new Vector4(blmSize.Width + adj, adj, 0, 1);
vdst[1].TexCoord = new Vector2(1, 0);
vdst[2].Position = new Vector4(adj, blmSize.Height + adj, 0, 1);
vdst[2].TexCoord = new Vector2(0, 1);
vdst[3].Position = new Vector4(blmSize.Width + adj, blmSize.Height + adj, 0, 1);
vdst[3].TexCoord = new Vector2(1, 1);
smallQuad.Unlock();
#endregion
indexBuffer = factory.CreateIndexBuffer(IndexBufferType.Bit32, 6, BufferUsage.Static);
int* idst = (int*)indexBuffer.Lock(0, 0, LockMode.None);
idst[0] = 3;
idst[1] = 1;
idst[2] = 0;
idst[3] = 2;
idst[4] = 3;
idst[5] = 0;
indexBuffer.Unlock();
quadOp = new GeomentryData();
quadOp.BaseIndexStart = 0;
quadOp.BaseVertex = 0;
quadOp.IndexBuffer = indexBuffer;
quadOp.PrimCount = 2;
quadOp.PrimitiveType = RenderPrimitiveType.TriangleList;
quadOp.VertexBuffer = quad;
quadOp.VertexCount = 4;
quadOp.VertexDeclaration = vtxDecl;
quadOp.VertexSize = RectVertex.Size;
smallQuadOp = new GeomentryData();
smallQuadOp.BaseIndexStart = 0;
smallQuadOp.BaseVertex = 0;
smallQuadOp.IndexBuffer = indexBuffer;
smallQuadOp.PrimCount = 2;
smallQuadOp.PrimitiveType = RenderPrimitiveType.TriangleList;
smallQuadOp.VertexBuffer = smallQuad;
smallQuadOp.VertexCount = 4;
smallQuadOp.VertexDeclaration = vtxDecl;
smallQuadOp.VertexSize = RectVertex.Size;
}
public OceanWaterData(RenderSystem rs, int size, float lat)
{
this.Size = size;
geoData = new GeomentryData();
ObjectFactory fac = rs.ObjectFactory;
vtxDecl = fac.CreateVertexDeclaration(WaterVertex.Elements);
int len = size - 1;
int vertexCount = size * size;
vertexBuffer = fac.CreateVertexBuffer(vertexCount, vtxDecl, BufferUsage.Static);
float rad10 = PlanetEarth.DefaultTileSpan;
float radtl = MathEx.Degree2Radian(lat);
#region 顶点数据
WaterVertex[] vtxArray = new WaterVertex[vertexCount];
float cellAngle = rad10 / (float)len;
float invSize = 1 / (float)size;
// i为经度方向
for (int i = 0; i < size; i++)
{
// j为纬度方向
for (int j = 0; j < size; j++)
{
Vector3 pos = PlanetEarth.GetPosition(j * cellAngle, radtl - i * cellAngle);
pos.Normalize();
pos *= PlanetEarth.PlanetRadius;
int index = i * size + j;
vtxArray[index].Position = pos;
vtxArray[index].NormalCoord = new Vector2(i * invSize, j * invSize); // = index;
}
}
vertexBuffer.SetData <WaterVertex>(vtxArray);
#endregion
#region 索引数据
int indexCount = MathEx.Sqr(len) * 2 * 3;
int[] indexArray = new int[indexCount];
indexBuffer = fac.CreateIndexBuffer(IndexBufferType.Bit32, indexCount, BufferUsage.WriteOnly);
for (int i = 0, index = 0; i < len; i++)
{
for (int j = 0; j < len; j++)
{
int x = i;
int y = j;
indexArray[index++] = y * size + x;
indexArray[index++] = y * size + (x + 1);
indexArray[index++] = (y + 1) * size + (x + 1);
indexArray[index++] = y * size + x;
indexArray[index++] = (y + 1) * size + (x + 1);
indexArray[index++] = (y + 1) * size + x;
}
}
indexBuffer.SetData <int>(indexArray);
#endregion
#region 构造GeomentryData
geoData = new GeomentryData();
geoData.VertexDeclaration = vtxDecl;
geoData.VertexSize = WaterVertex.Size;
geoData.VertexBuffer = vertexBuffer;
geoData.IndexBuffer = indexBuffer;
geoData.PrimCount = MathEx.Sqr(len) * 2;
geoData.VertexCount = MathEx.Sqr(size);
geoData.PrimitiveType = RenderPrimitiveType.TriangleList;
geoData.BaseVertex = 0;
#endregion
}
protected unsafe override void loadUnmanagedResources()
{
Viewport vp = renderSys.Viewport;
Size blmSize = new Size(vp.Width / 2, vp.Height / 2);
Size scrnSize = new Size(vp.Width, vp.Height);
blurredRt1 = factory.CreateRenderTarget(blmSize.Width, blmSize.Height, ImagePixelFormat.A8R8G8B8);
blurredRt2 = factory.CreateRenderTarget(blmSize.Width, blmSize.Height, ImagePixelFormat.A8R8G8B8);
colorBuffer = factory.CreateRenderTarget(scrnSize.Width, scrnSize.Height, ImagePixelFormat.A8R8G8B8);
nrmDepthBuffer = factory.CreateRenderTarget(scrnSize.Width, scrnSize.Height, ImagePixelFormat.A8R8G8B8);
edgeResultBuffer = factory.CreateRenderTarget(scrnSize.Width, scrnSize.Height, ImagePixelFormat.A8R8G8B8);
#region 计算参数
guassFilter = new GuassBlurFilter(SampleCount, BlurAmount, blmSize.Width, blmSize.Height);
#endregion
#region 建立屏幕quad
quad = factory.CreateVertexBuffer(4, vtxDecl, BufferUsage.Static);
float adj = -0.5f;
RectVertex *vdst = (RectVertex *)quad.Lock(0, 0, LockMode.None);
vdst[0].Position = new Vector4(adj, adj, 0, 1);
vdst[0].TexCoord = new Vector2(0, 0);
vdst[1].Position = new Vector4(scrnSize.Width + adj, adj, 0, 1);
vdst[1].TexCoord = new Vector2(1, 0);
vdst[2].Position = new Vector4(adj, scrnSize.Height + adj, 0, 1);
vdst[2].TexCoord = new Vector2(0, 1);
vdst[3].Position = new Vector4(scrnSize.Width + adj, scrnSize.Height + adj, 0, 1);
vdst[3].TexCoord = new Vector2(1, 1);
quad.Unlock();
#endregion
#region 建立小quad
smallQuad = factory.CreateVertexBuffer(4, vtxDecl, BufferUsage.Static);
vdst = (RectVertex *)smallQuad.Lock(0, 0, LockMode.None);
vdst[0].Position = new Vector4(adj, adj, 0, 1);
vdst[0].TexCoord = new Vector2(0, 0);
vdst[1].Position = new Vector4(blmSize.Width + adj, adj, 0, 1);
vdst[1].TexCoord = new Vector2(1, 0);
vdst[2].Position = new Vector4(adj, blmSize.Height + adj, 0, 1);
vdst[2].TexCoord = new Vector2(0, 1);
vdst[3].Position = new Vector4(blmSize.Width + adj, blmSize.Height + adj, 0, 1);
vdst[3].TexCoord = new Vector2(1, 1);
smallQuad.Unlock();
#endregion
indexBuffer = factory.CreateIndexBuffer(IndexBufferType.Bit32, 6, BufferUsage.Static);
int *idst = (int *)indexBuffer.Lock(0, 0, LockMode.None);
idst[0] = 3;
idst[1] = 1;
idst[2] = 0;
idst[3] = 2;
idst[4] = 3;
idst[5] = 0;
indexBuffer.Unlock();
quadOp = new GeomentryData();
quadOp.BaseIndexStart = 0;
quadOp.BaseVertex = 0;
quadOp.IndexBuffer = indexBuffer;
quadOp.PrimCount = 2;
quadOp.PrimitiveType = RenderPrimitiveType.TriangleList;
quadOp.VertexBuffer = quad;
quadOp.VertexCount = 4;
quadOp.VertexDeclaration = vtxDecl;
quadOp.VertexSize = RectVertex.Size;
smallQuadOp = new GeomentryData();
smallQuadOp.BaseIndexStart = 0;
smallQuadOp.BaseVertex = 0;
smallQuadOp.IndexBuffer = indexBuffer;
smallQuadOp.PrimCount = 2;
smallQuadOp.PrimitiveType = RenderPrimitiveType.TriangleList;
smallQuadOp.VertexBuffer = smallQuad;
smallQuadOp.VertexCount = 4;
smallQuadOp.VertexDeclaration = vtxDecl;
smallQuadOp.VertexSize = RectVertex.Size;
}
/// <summary>
/// This implements the method in resource, to load the mesh data(vertex buffer, index buffer)
/// of this terrain tile.
/// </summary>
protected override void load()
{
// 读取地形数据
// This line will load the terrain data in this tile.
float[] data = TerrainData.Instance.GetData(tileX, tileY, terrEdgeSize);
float radtc = MathEx.Degree2Radian(tileCol);
float radtl = MathEx.Degree2Radian(tileLat);
float radSpan = MathEx.Degree2Radian(10);
int vertexCount = terrEdgeSize * terrEdgeSize;
int terrEdgeLen = terrEdgeSize - 1;
if (terrEdgeSize == 33)
{
material.SetEffect(EffectManager.Instance.GetModelEffect(TerrainEffect33Factory.Name));
}
else
{
material.SetEffect(EffectManager.Instance.GetModelEffect(TerrainEffect17Factory.Name));
}
#region 顶点数据
vtxDecl = factory.CreateVertexDeclaration(TerrainVertex.Elements);
vtxBuffer = factory.CreateVertexBuffer(vertexCount, vtxDecl, BufferUsage.WriteOnly);
TerrainVertex[] vtxArray = new TerrainVertex[vertexCount];
float cellAngle = radSpan / (float)terrEdgeLen;
#region 计算顶点坐标
// Caluclate the position of each vertex
// i为纬度方向
// i is in the latitude direction
for (int i = 0; i < terrEdgeSize; i++)
{
// j为经度方向
// j is in the longitude direction
for (int j = 0; j < terrEdgeSize; j++)
{
Vector3 pos = PlanetEarth.GetPosition(radtc + j * cellAngle, radtl - i * cellAngle);
int index = i * terrEdgeSize + j;
// 计算海拔高度
// calculate the elevation
float height = (data[index] - TerrainMeshManager.PostZeroLevel) * TerrainMeshManager.PostHeightScale;
//if (height > 0)
//{
// height = (height - 0) * TerrainMeshManager.PostHeightScale;
//}
//else
//{
// height *= TerrainMeshManager.PostHeightScale;
// height -= 10;
// //if (height < -30)
// // height = -30;
//}
Vector3 normal = pos;
normal.Normalize();
vtxArray[index].Position = pos + normal * height;
// this index is used to generate detailed texture coordinate in vertex shader
vtxArray[index].Index = index;
// map the texture coordinate for global texturing
float curCol = radtc + j * cellAngle;
float curLat = radSpan + radtl - i * cellAngle;
curCol += MathEx.PIf;
curLat -= MathEx.Degree2Radian(10);
vtxArray[index].u = 0.5f * curCol / MathEx.PIf;
vtxArray[index].v = (-curLat + MathEx.PiOver2) / MathEx.PIf;
}
}
#endregion
#endregion
#region 索引数据
SharedIndexData sindexData = TerrainMeshManager.Instance.GetIndexData(terrEdgeSize);
indexBuffer = sindexData.Index;
#endregion
#region 构造GeomentryData
defGeometryData = new GeomentryData();
defGeometryData.VertexDeclaration = vtxDecl;
defGeometryData.VertexSize = TerrainVertex.Size;
defGeometryData.VertexBuffer = vtxBuffer;
defGeometryData.IndexBuffer = indexBuffer;
defGeometryData.PrimCount = indexBuffer.IndexCount / 3;
defGeometryData.VertexCount = terrEdgeSize * terrEdgeSize;
defGeometryData.PrimitiveType = RenderPrimitiveType.TriangleList;
defGeometryData.BaseVertex = 0;
#endregion
vtxBuffer.SetData <TerrainVertex>(vtxArray);
}
public OceanWaterData(RenderSystem rs, int size, float lat)
{
this.Size = size;
geoData = new GeomentryData();
ObjectFactory fac = rs.ObjectFactory;
vtxDecl = fac.CreateVertexDeclaration(WaterVertex.Elements);
int len = size - 1;
int vertexCount = size * size;
vertexBuffer = fac.CreateVertexBuffer(vertexCount, vtxDecl, BufferUsage.Static);
float rad10 = PlanetEarth.DefaultTileSpan;
float radtl = MathEx.Degree2Radian(lat);
#region 顶点数据
WaterVertex[] vtxArray = new WaterVertex[vertexCount];
float cellAngle = rad10 / (float)len;
float invSize = 1 / (float)size;
// i为经度方向
for (int i = 0; i < size; i++)
{
// j为纬度方向
for (int j = 0; j < size; j++)
{
Vector3 pos = PlanetEarth.GetPosition(j * cellAngle, radtl - i * cellAngle);
pos.Normalize();
pos *= PlanetEarth.PlanetRadius;
int index = i * size + j;
vtxArray[index].Position = pos;
vtxArray[index].NormalCoord = new Vector2(i * invSize, j * invSize); // = index;
}
}
vertexBuffer.SetData<WaterVertex>(vtxArray);
#endregion
#region 索引数据
int indexCount = MathEx.Sqr(len) * 2 * 3;
int[] indexArray = new int[indexCount];
indexBuffer = fac.CreateIndexBuffer(IndexBufferType.Bit32, indexCount, BufferUsage.WriteOnly);
for (int i = 0, index = 0; i < len; i++)
{
for (int j = 0; j < len; j++)
{
int x = i;
int y = j;
indexArray[index++] = y * size + x;
indexArray[index++] = y * size + (x + 1);
indexArray[index++] = (y + 1) * size + (x + 1);
indexArray[index++] = y * size + x;
indexArray[index++] = (y + 1) * size + (x + 1);
indexArray[index++] = (y + 1) * size + x;
}
}
indexBuffer.SetData<int>(indexArray);
#endregion
#region 构造GeomentryData
geoData = new GeomentryData();
geoData.VertexDeclaration = vtxDecl;
geoData.VertexSize = WaterVertex.Size;
geoData.VertexBuffer = vertexBuffer;
geoData.IndexBuffer = indexBuffer;
geoData.PrimCount = MathEx.Sqr(len) * 2;
geoData.VertexCount = MathEx.Sqr(size);
geoData.PrimitiveType = RenderPrimitiveType.TriangleList;
geoData.BaseVertex = 0;
#endregion
}