public Tile()
{
info = new TileInfo();
tileSceneNode = null;
renderable = null;
init = false;
loaded = false;
bounds = new AxisAlignedBox();
boundsExt = new AxisAlignedBox();
//worldBounds = new AxisAlignedBox();
neighbors = new Tile[4];
}
public void DeformHeight( Vector3 deformationPoint, float modificationHeight, TileInfo info)
{
long pSize = Options.Instance.PageSize;
long pX = info.PageX;
long pZ = info.PageZ;
long wL = Options.Instance.World_Width;
long hL = Options.Instance.World_Height;
// adjust x and z to be local to page
long x = (long) ((deformationPoint.x ) - ((pX - wL * 0.5f) * (pSize)));
long z = (long) ((deformationPoint.z ) - ((pZ - hL * 0.5f) * (pSize)));
Data2D data = data2D[ pX ][ pZ ];
if ( data.IsLoaded )
{
float h = data.DeformHeight (x, z, modificationHeight);
// If we're on a page edge, we must duplicate the change on the
// neighbour page (if it has one...)
if (x == 0 && pX != 0)
{
data = data2D[ pX - 1 ][ pZ ];
if ( data.IsLoaded )
{
data.SetHeight (Options.Instance.PageSize - 1, z, h);
}
}
if (x == pSize - 1 && pX < wL - 1)
{
data = data2D[ pX + 1 ][ pZ ];
if ( data.IsLoaded )
{
data.SetHeight (0, z, h);
}
}
if (z == 0 && pZ != 0)
{
data = data2D[ pX ][ pZ - 1 ];
if ( data.IsLoaded )
{
data.SetHeight (x, Options.Instance.PageSize - 1, h);
}
}
if (z == pSize - 1 && pZ < hL - 1)
{
data = data2D[ pX ][ pZ + 1];
if ( data.IsLoaded )
{
data.SetHeight (x, 0, h);
}
}
}
}
public float GetRealWorldHeight( float x, float z, TileInfo info)
{
// figure out which page the point is on
long dataX = info.PageX;
long dataZ = info.PageZ;
if ( ! (data2D[ dataX ][ dataZ ].IsLoaded ))
return 0.0f;
Tile.Tile t = PageManager.Instance.GetPage (dataX, dataZ ).GetTile (info.TileX, info.TileZ);
long Lod = 0;
if (t != null && t.IsLoaded )
Lod = t.Renderable.RenderLevel;
return GetRealPageHeight (x, z, dataX, dataZ, Lod);
}
public void Release()
{
if (inUse && isLoaded)
{
if (neighbors[(int)Neighbor.South] != null)
neighbors[(int)Neighbor.South].SetNeighbor(Neighbor.North, null);
if (neighbors[(int)Neighbor.North] != null)
neighbors[(int)Neighbor.North].SetNeighbor(Neighbor.South, null);
if (neighbors[(int)Neighbor.West] != null)
neighbors[(int)Neighbor.West].SetNeighbor(Neighbor.East, null);
if (neighbors[(int)Neighbor.East] != null)
neighbors[(int)Neighbor.East].SetNeighbor(Neighbor.West, null);
for (uint i = 0; i < 4; i++ )
{
neighbors[i] = null;
}
RenderableManager.Instance.FreeRenderable( this );
inUse = false;
isLoaded = false;
info = null;
}
}
public void Init( TileInfo Info )
{
mustRender = false;
info = Info;
inFrustum = false;
inUse = true;
}
/** Initializes the LandScapeRenderable with the given options and the starting coordinates of this block.
*/
public Renderable()
: base()
{
info = null;
materialLODIndex = 0;
neighbors = new Renderable[4];
for ( long i = 0; i < 4; i++ )
neighbors[ i ] = null;
inUse = false;
isLoaded = false;
// Setup render op
renderOp = new RenderOperation();
renderOp.vertexData = new VertexData();
renderOp.vertexData.vertexStart = 0;
long tileSize = Options.Instance.TileSize;
renderOp.vertexData.vertexCount = (int)((tileSize + 1) * (tileSize + 1));
box = new AxisAlignedBox();
// Vertex declaration
VertexDeclaration decl = renderOp.vertexData.vertexDeclaration;
VertexBufferBinding bind = renderOp.vertexData.vertexBufferBinding;
HardwareVertexBuffer vbuf;
// Vertex buffer #1, position
// positions
int offset = 0;
decl.AddElement(POSITION, offset, VertexElementType.Float3, VertexElementSemantic.Position);
offset += VertexElement.GetTypeSize(VertexElementType.Float3);
if ( Options.Instance.Lit )
{
decl.AddElement(POSITION, offset, VertexElementType.Float3, VertexElementSemantic.Normal);
offset += VertexElement.GetTypeSize(VertexElementType.Float3);
}
decl.AddElement(POSITION, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 0);
offset += VertexElement.GetTypeSize(VertexElementType.Float2);
vbuf = HardwareBufferManager.Instance.CreateVertexBuffer(
decl.GetVertexSize(POSITION),
renderOp.vertexData.vertexCount,
BufferUsage.StaticWriteOnly,false);
bind.SetBinding(POSITION, vbuf);
// if (Options.Instance.Lit)
// {
// offset = 0;
// decl.AddElement(NORMAL, offset, VertexElementType.Float3, VertexElementSemantic.Normal);
// offset += VertexElement.GetTypeSize(VertexElementType.Float3);
// vbuf = HardwareBufferManager.Instance.CreateVertexBuffer(
// decl.GetVertexSize(NORMAL),
// renderOp.vertexData.vertexCount,
// BufferUsage.StaticWriteOnly);
//
// bind.SetBinding(NORMAL, vbuf);
// }
//
// offset = 0;
// decl.AddElement(TEXCOORD, offset, VertexElementType.Float2, VertexElementSemantic.TexCoords, 0);
// offset += VertexElement.GetTypeSize(VertexElementType.Float2);
// vbuf = HardwareBufferManager.Instance.CreateVertexBuffer(
// decl.GetVertexSize(TEXCOORD),
// renderOp.vertexData.vertexCount,
// BufferUsage.StaticWriteOnly);
//
// bind.SetBinding(TEXCOORD, vbuf);
//
//
// if (Options.Instance.Colored ||
// Options.Instance.Coverage_Vertex_Color ||
// Options.Instance.Base_Vertex_Color)
// {
// offset = 0;
// decl.AddElement(COLORS, offset, VertexElementType.Float3, VertexElementSemantic.Diffuse);
// offset += VertexElement.GetTypeSize(VertexElementType.Color);
// vbuf = HardwareBufferManager.Instance.CreateVertexBuffer(
// decl.GetVertexSize(COLORS),
// renderOp.vertexData.vertexCount,
// BufferUsage.StaticWriteOnly);
//
// bind.SetBinding(COLORS, vbuf);
// }
//No need to set the indexData since it is shared from IndexBuffer class
renderOp.operationType = OperationType.TriangleList;
renderOp.useIndices = true;
renderOp.indexData = null;
RenderLevel = Options.Instance.MaxRenderLevel / 2;
}
public float GetHeightAbsolute(float x, float z, TileInfo info)
{
if ( heightData != null)
{
int pSize = (int)Options.Instance.PageSize;
Vector3 scale = Options.Instance.Scale;
// adjust x and z to be local to page
int i_x = ((int)(x / scale.x)
- ((int)(info.PageX - Options.Instance.World_Width * 0.5f) * (pSize)));
int i_z = ((int)(z / scale.z)
- ((int)(info.PageZ - Options.Instance.World_Height * 0.5f) * (pSize)));
long arraypos = (long)(i_z * size + i_x);
if (arraypos < maxArrayPos)
return heightData[arraypos];
}
return 0.0f;
}
/**
* Method that deform Height Data of the terrain.
* \param &deformationPoint
* Where modification is, in world coordinates
* \param &modificationHeight
* What modification do to terrain
* \param info
* Give some info on tile to
* help coordinate system change
*/
public float DeformHeight( Vector3 deformationPoint, float modificationHeight, TileInfo info)
{
if ( heightData != null )
{
int pSize = (int)Options.Instance.PageSize;
// adjust x and z to be local to page
int x = (int) ((deformationPoint.x )
- ((info.PageX - Options.Instance.World_Width * 0.5f) * (pSize)));
int z = (int) ((deformationPoint.z )
- ((info.PageZ - Options.Instance.World_Height * 0.5f) * (pSize)));
long arraypos = (long)(z * size + x);
if (arraypos < maxArrayPos)
{
if ((heightData[arraypos] - modificationHeight) > 0.0f)
heightData[arraypos] -= modificationHeight;
else
heightData[arraypos] = 0.0f;
return heightData[arraypos];
}
}
return 0.0f;
}
