public static bool PickVoxel(EnvironmentObject env, GameSurfaceView view, IntVector2 screenPos, IntGrid3 cropGrid,
MapControlPickMode pickMode, out IntVector3 pos, out Direction face)
{
var camera = view.Camera;
var ray = Ray.GetPickRay(screenPos.X, screenPos.Y, view.ViewPort, view.Camera.View * view.Camera.Projection);
IntVector3 outpos = new IntVector3();
Direction outdir = Direction.None;
var corner = cropGrid.Corner2;
var size = new IntSize3(corner.X + 1, corner.Y + 1, corner.Z + 1);
IntVector3 prevoutpos = new IntVector3();
Direction prevoutdir = Direction.None;
VoxelRayCast.RunRayCast(size, ray.Position, ray.Direction, view.Camera.FarZ,
(x, y, z, dir) =>
{
var p = new IntVector3(x, y, z);
if (cropGrid.Contains(p) == false)
return false;
var td = env.GetTileData(p);
switch (pickMode)
{
case MapControlPickMode.Underground:
if (!td.IsUndefined && !td.IsWall)
return false;
outpos = p;
outdir = dir;
return true;
case MapControlPickMode.AboveGround:
if (!td.IsUndefined && !td.IsWall)
{
prevoutpos = p;
prevoutdir = dir;
return false;
}
if (prevoutpos.IsNull)
{
outpos = p;
outdir = dir;
}
else
{
outpos = prevoutpos;
outdir = prevoutdir;
}
return true;
case MapControlPickMode.Constant:
if (p.Z > cropGrid.Z2)
return false;
outpos = p;
outdir = dir;
return true;
default:
throw new NotImplementedException();
}
});
pos = outpos;
face = outdir;
return face != Direction.None;
}
public static bool PickVoxel(EnvironmentObject env, GameSurfaceView view, IntVector2 screenPos, IntGrid3 cropGrid,
MapControlPickMode pickMode, out IntVector3 pos, out Direction face)
{
var camera = view.Camera;
var ray = Ray.GetPickRay(screenPos.X, screenPos.Y, view.ViewPort, view.Camera.View * view.Camera.Projection);
IntVector3 outpos = new IntVector3();
Direction outdir = Direction.None;
var corner = cropGrid.Corner2;
var size = new IntSize3(corner.X + 1, corner.Y + 1, corner.Z + 1);
IntVector3 prevoutpos = new IntVector3();
Direction prevoutdir = Direction.None;
VoxelRayCast.RunRayCast(size, ray.Position, ray.Direction, view.Camera.FarZ,
(x, y, z, dir) =>
{
var p = new IntVector3(x, y, z);
if (cropGrid.Contains(p) == false)
{
return(false);
}
var td = env.GetTileData(p);
switch (pickMode)
{
case MapControlPickMode.Underground:
if (!td.IsUndefined && !td.IsWall)
{
return(false);
}
outpos = p;
outdir = dir;
return(true);
case MapControlPickMode.AboveGround:
if (!td.IsUndefined && !td.IsWall)
{
prevoutpos = p;
prevoutdir = dir;
return(false);
}
if (prevoutpos.IsNull)
{
outpos = p;
outdir = dir;
}
else
{
outpos = prevoutpos;
outdir = prevoutdir;
}
return(true);
case MapControlPickMode.Constant:
if (p.Z > cropGrid.Z2)
{
return(false);
}
outpos = p;
outdir = dir;
return(true);
default:
throw new NotImplementedException();
}
});
pos = outpos;
face = outdir;
return(face != Direction.None);
}
public static bool PickVoxel(MyGame game, IntVector2 screenPos, MapControlPickMode pickMode, out IntVector3 pos, out Direction face)
{
return MousePositionService.PickVoxel(game.Environment, game.Surfaces[0].Views[0], screenPos,
game.ViewGridProvider.ViewGrid, pickMode, out pos, out face);
}
public static bool PickVoxel(MyGame game, IntVector2 screenPos, MapControlPickMode pickMode, out IntVector3 pos, out Direction face)
{
return(MousePositionService.PickVoxel(game.Environment, game.Surfaces[0].Views[0], screenPos,
game.ViewGridProvider.ViewGrid, pickMode, out pos, out face));
}