//---------------------------------------------------------------------
// unity3d top 视图，坐标原点Terrain左下，而png原点在左上，应用层将坐标转换好传进来
public void load(IEbPixelLoader pixel_loader, float xmin_world, float zmin_world,
float width_world, float height_world)
{
mPixelLoader = pixel_loader;
WidthWorld = width_world;
HeightWorld = height_world;
XMinWorld = xmin_world;
ZMinWorld = zmin_world;
WidthGrid = mPixelLoader.width;
HeightGrid = mPixelLoader.height;
mGridRegions = new EbGridRegion[WidthGrid, HeightGrid];
mPixelNav = new EbPixelNav((uint)(WidthGrid * HeightGrid));
mPixelNav.blockStart(mPixelLoader.width, mPixelLoader.height);
mPixelLoader.foreachPixel(
(bool is_block, int w, int h) =>
{
if (is_block)
{
mGridRegions[w, h] = null;
mPixelNav.setBlock(w, h);
}
else
{
mGridRegions[w, h] = new EbGridRegion(mEntityMgr);
}
}
);
mPixelNav.blockEnd();
}
//---------------------------------------------------------------------
public void entityMove(Entity entity, EbVector3 pos_world)
{
EbVector2 pos_grid = _world2gird(pos_world);
EbGridRegion region = mGridRegions[(int)pos_grid.x, (int)pos_grid.y];
if (region == null)
{
return;
}
EbGridRegion region_last = entity.getUserData <EbGridRegion>();
if (region.Equals(region_last))
{
region.entityMove(entity);
}
else
{
if (region_last != null)
{
region_last.entityLeaveRegion(entity);
}
region.entityEnterRegion(entity);
}
}
//---------------------------------------------------------------------
public void entityLeaveRegion(Entity entity, EbVector3 pos_world)
{
EbVector2 pos_grid = _world2gird(pos_world);
EbGridRegion region = mGridRegions[(int)pos_grid.x, (int)pos_grid.y];
if (region == null)
{
return;
}
region.entityLeaveRegion(entity);
}