/// <summary>
///
/// </summary>
/// <param name="geom"></param>
/// <param name="bounds"></param>
public TreeLoader2D(PagedGeometry geom, TBounds bounds)
{
//Calculate grid size
mGeom = geom;
mPageSize = mGeom.PageSize;
//Reset height function
mHeightFunction = null;
mHeightFunctionUserData = null;
//Make sure the bounds are aligned with PagedGeometry's grid, so the TreeLoader's grid tiles will have a 1:1 relationship
mActualBounds = bounds;
mGridBounds = bounds;
mGridBounds.Left = (float)(mPageSize * System.Math.Floor((mGridBounds.Left - mGeom.Bounds.Left) / mPageSize) + mGeom.Bounds.Left);
mGridBounds.Top = (float)(mPageSize * System.Math.Floor((mGridBounds.Top - mGeom.Bounds.Top) / mPageSize) + mGeom.Bounds.Top);
mGridBounds.Right = (float)(mPageSize * System.Math.Ceiling((mGridBounds.Right - mGeom.Bounds.Left) / mPageSize) + mGeom.Bounds.Left);
mGridBounds.Bottom = (float)(mPageSize * System.Math.Ceiling((mGridBounds.Bottom - mGeom.Bounds.Top) / mPageSize) + mGeom.Bounds.Top);
//Calculate page grid size
mPageGridX = (int)(System.Math.Ceiling(mGridBounds.Width / mPageSize) + 1);
mPageGridZ = (int)(System.Math.Ceiling(mGridBounds.Height / mPageSize) + 1);
//Reset color map
mColorMap = null;
mColorMapFilter = MapFilter.None;
//Default scale range
mMaximumScale = 2.0f;
mMinimumScale = 0.0f;
}
/// <summary>
///
/// </summary>
/// <param name="map"></param>
/// <param name="channel"></param>
public void SetMapColor(Texture map, MapChannel channel)
{
if (mColorMap != null)
{
mColorMap.Unload();
mColorMap = null;
}
if (map != null)
{
mColorMap = ColorMap.Load(map, channel);
mColorMap.MapBounds = mActualBounds;
mColorMap.Filter = mColorMapFilter;
}
}
/// <summary>
///
/// </summary>
/// <param name="geom"></param>
/// <param name="ldr"></param>
internal GrassLayer(PagedGeometry geom, GrassLoader ldr)
{
mGeom = geom;
mParent = ldr;
mDensity = 1.0f;
mMinWidth = 1.0f;
mMinHeight = 1.0f;
mMaxWidth = 1.0f;
mMaxHeight = 1.0f;
mRenderTechnique = GrassTechnique.Quad;
mFadeTechnique = FadeTechnique.Alpha;
mAnimMag = 1.0f;
mAnimSpeed = 1.0f;
mAnimFreq = 1.0f;
mWaveCount = 0.0f;
mAnimate = false;
mShaderNeedsUpdate = true;
mDensityMap = null;
mDensityMapFilter = MapFilter.Bilinear;
mColorMap = null;
mColorMapFilter = MapFilter.Bilinear;
}
/// <summary>
///
/// </summary>
/// <param name="mapFile"></param>
/// <param name="channel"></param>
public void SetMapColor(string mapFile, MapChannel channel)
{
if (mColorMap != null)
{
mColorMap.Unload();
mColorMap = null;
}
if (mapFile != "")
{
mColorMap = ColorMap.Load(mapFile, channel);
mColorMap.MapBounds = mActualBounds;
mColorMap.Filter = mColorMapFilter;
}
}
/// <summary>
///
/// </summary>
/// <param name="texture"></param>
/// <param name="channel"></param>
/// <returns></returns>
public static ColorMap Load(Texture texture, MapChannel channel)
{
string key = texture.Name + (int)channel;
ColorMap m = null;
if (!mSelfList.TryGetValue(key, out m))
{
m = new ColorMap(texture, channel);
}
++(m.mRefCount);
return m;
}
