public static GeometryModel Cube(string texLeft, string texBottom, string texFront,
string texRight, string texTop, string texBack)
{
GeometryModel cube = new GeometryModel();
cube.AddFace(new ModelFace(texLeft, new float[]
{
0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
0.0f, 1.0f, 0.0f, 1.0f, 1.0f,
0.0f, 0.0f, 0.0f, 1.0f, 0.0f,
}), Face.Left);
cube.AddFace(new ModelFace(texBottom, new float[]
{
0.0f, 0.0f, 0.0f, 0.0f, 0.0f,
1.0f, 0.0f, 0.0f, 0.0f, 1.0f,
1.0f, 0.0f, 1.0f, 1.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f, 0.0f,
}), Face.Bottom);
cube.AddFace(new ModelFace(texFront, new float[]
{
0.0f, 0.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f, 1.0f,
1.0f, 1.0f, 0.0f, 1.0f, 1.0f,
1.0f, 0.0f, 0.0f, 1.0f, 0.0f,
}), Face.Front);
cube.AddFace(new ModelFace(texRight, new float[]
{
1.0f, 0.0f, 0.0f, 0.0f, 0.0f,
1.0f, 1.0f, 0.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, 0.0f, 1.0f, 1.0f, 0.0f,
}), Face.Right);
cube.AddFace(new ModelFace(texTop, new float[]
{
0.0f, 1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 0.0f, 1.0f, 0.0f,
}), Face.Top);
cube.AddFace(new ModelFace(texBack, new float[]
{
1.0f, 0.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
0.0f, 1.0f, 1.0f, 1.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f, 0.0f,
}), Face.Back);
return(cube);
}
public static GeometryModel Terrain( TerrainCorner highCorners, string texTop, string texTopTri, string texWall, string texWallTri,
string texBottom)
{
Vector2 pfl = new Vector2( 0.0f, 0.0f );
Vector2 pfr = new Vector2( 1.0f, 0.0f );
Vector2 pbl = new Vector2( 0.0f, 1.0f );
Vector2 pbr = new Vector2( 1.0f, 1.0f );
bool bfl = ( highCorners & TerrainCorner.FrontLeft ) != 0;
bool bfr = ( highCorners & TerrainCorner.FrontRight ) != 0;
bool bbl = ( highCorners & TerrainCorner.BackLeft ) != 0;
bool bbr = ( highCorners & TerrainCorner.BackRight ) != 0;
float hfl = bfl ? 1.0f : 0.0f;
float hfr = bfr ? 1.0f : 0.0f;
float hbl = bbl ? 1.0f : 0.0f;
float hbr = bbr ? 1.0f : 0.0f;
Tuple<Face,Vector2,Vector2,float,float>[] faces = new Tuple<Face,Vector2,Vector2,float,float>[]
{
new Tuple<Face,Vector2,Vector2,float,float>
( Face.Left, pbl, pfl, hbl, hfl ),
new Tuple<Face,Vector2,Vector2,float,float>
( Face.Front, pfl, pfr, hfl, hfr ),
new Tuple<Face,Vector2,Vector2,float,float>
( Face.Right, pfr, pbr, hfr, hbr ),
new Tuple<Face,Vector2,Vector2,float,float>
( Face.Back, pbr, pbl, hbr, hbl )
};
GeometryModel mdl = new GeometryModel();
foreach( Tuple<Face,Vector2,Vector2,float,float> face in faces )
{
if( face.Item4 == 0.0f && face.Item5 == 0.0f )
continue;
ModelFace mf;
if( face.Item4 == 0.0f || face.Item5 == 0.0f )
{
Vector2 corner = face.Item4 == 0.0f ? face.Item3 : face.Item2;
mf = new ModelFace( texWallTri, new float[]
{
face.Item2.X, face.Item4, face.Item2.Y, 0.0f, face.Item4,
face.Item3.X, face.Item5, face.Item3.Y, 1.0f, face.Item5,
corner.X, 0.0f, corner.Y, face.Item4 == 0.0f ? 1.0f : 0.0f, 0.0f
} );
}
else
{
mf = new ModelFace( texWall, new float[]
{
face.Item2.X, face.Item4, face.Item2.Y, 0.0f, face.Item4,
face.Item3.X, face.Item5, face.Item3.Y, 1.0f, face.Item5,
face.Item3.X, 0.0f, face.Item3.Y, 1.0f, 0.0f,
face.Item2.X, 0.0f, face.Item2.Y, 0.0f, 0.0f
} );
}
mdl.AddFace( mf, face.Item1 );
}
bool tri = (int) highCorners % 3 > 0;
if ( !( !bfr && !bbl && ( bfl ^ bbr ) )
&& !( bfr && bbl && ( !bfl || !bbr ) ) )
{
mdl.AddFace( new ModelFace( tri ? texTopTri : texTop, new float[]
{
pbl.X, hbl, pbl.Y, 0.0f, 0.0f,
pbr.X, hbr, pbr.Y, 1.0f, 0.0f,
pfr.X, hfr, pfr.Y, 1.0f, 1.0f,
} ), bbl && bbr && bfr ? Face.Top : Face.All );
mdl.AddFace( new ModelFace( tri ? texTopTri : texTop, new float[]
{
pbl.X, hbl, pbl.Y, 0.0f, 0.0f,
pfr.X, hfr, pfr.Y, 1.0f, 1.0f,
pfl.X, hfl, pfl.Y, 0.0f, 1.0f
} ), bbl && bfl && bfr ? Face.Top : Face.All );
}
else
{
mdl.AddFace( new ModelFace( tri ? texTopTri : texTop, new float[]
{
pbr.X, hbr, pbr.Y, 0.0f, 0.0f,
pfr.X, hfr, pfr.Y, 1.0f, 0.0f,
pfl.X, hfl, pfl.Y, 1.0f, 1.0f,
} ), bbr && bfr && bfl ? Face.Top : Face.All );
mdl.AddFace( new ModelFace( tri ? texTopTri : texTop, new float[]
{
pbr.X, hbr, pbr.Y, 0.0f, 0.0f,
pfl.X, hfl, pfl.Y, 1.0f, 1.0f,
pbl.X, hbl, pbl.Y, 0.0f, 1.0f
} ), bbr && bfl && bbl ? Face.Top : Face.All );
}
return mdl;
}
public static GeometryModel Cube( string texLeft, string texBottom, string texFront,
string texRight, string texTop, string texBack)
{
GeometryModel cube = new GeometryModel();
cube.AddFace( new ModelFace( texLeft, new float[]
{
0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
0.0f, 1.0f, 0.0f, 1.0f, 1.0f,
0.0f, 0.0f, 0.0f, 1.0f, 0.0f,
} ), Face.Left );
cube.AddFace( new ModelFace( texBottom, new float[]
{
0.0f, 0.0f, 0.0f, 0.0f, 0.0f,
1.0f, 0.0f, 0.0f, 0.0f, 1.0f,
1.0f, 0.0f, 1.0f, 1.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f, 0.0f,
} ), Face.Bottom );
cube.AddFace( new ModelFace( texFront, new float[]
{
0.0f, 0.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f, 1.0f,
1.0f, 1.0f, 0.0f, 1.0f, 1.0f,
1.0f, 0.0f, 0.0f, 1.0f, 0.0f,
} ), Face.Front );
cube.AddFace( new ModelFace( texRight, new float[]
{
1.0f, 0.0f, 0.0f, 0.0f, 0.0f,
1.0f, 1.0f, 0.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, 0.0f, 1.0f, 1.0f, 0.0f,
} ), Face.Right );
cube.AddFace( new ModelFace( texTop, new float[]
{
0.0f, 1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 0.0f, 1.0f, 0.0f,
} ), Face.Top );
cube.AddFace( new ModelFace( texBack, new float[]
{
1.0f, 0.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
0.0f, 1.0f, 1.0f, 1.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f, 0.0f,
} ), Face.Back );
return cube;
}
public static GeometryModel Terrain(TerrainCorner highCorners, string texTop, string texTopTri, string texWall, string texWallTri,
string texBottom)
{
Vector2 pfl = new Vector2(0.0f, 0.0f);
Vector2 pfr = new Vector2(1.0f, 0.0f);
Vector2 pbl = new Vector2(0.0f, 1.0f);
Vector2 pbr = new Vector2(1.0f, 1.0f);
bool bfl = (highCorners & TerrainCorner.FrontLeft) != 0;
bool bfr = (highCorners & TerrainCorner.FrontRight) != 0;
bool bbl = (highCorners & TerrainCorner.BackLeft) != 0;
bool bbr = (highCorners & TerrainCorner.BackRight) != 0;
float hfl = bfl ? 1.0f : 0.0f;
float hfr = bfr ? 1.0f : 0.0f;
float hbl = bbl ? 1.0f : 0.0f;
float hbr = bbr ? 1.0f : 0.0f;
Tuple <Face, Vector2, Vector2, float, float>[] faces = new Tuple <Face, Vector2, Vector2, float, float>[]
{
new Tuple <Face, Vector2, Vector2, float, float>
(Face.Left, pbl, pfl, hbl, hfl),
new Tuple <Face, Vector2, Vector2, float, float>
(Face.Front, pfl, pfr, hfl, hfr),
new Tuple <Face, Vector2, Vector2, float, float>
(Face.Right, pfr, pbr, hfr, hbr),
new Tuple <Face, Vector2, Vector2, float, float>
(Face.Back, pbr, pbl, hbr, hbl)
};
GeometryModel mdl = new GeometryModel();
foreach (Tuple <Face, Vector2, Vector2, float, float> face in faces)
{
if (face.Item4 == 0.0f && face.Item5 == 0.0f)
{
continue;
}
ModelFace mf;
if (face.Item4 == 0.0f || face.Item5 == 0.0f)
{
Vector2 corner = face.Item4 == 0.0f ? face.Item3 : face.Item2;
mf = new ModelFace(texWallTri, new float[]
{
face.Item2.X, face.Item4, face.Item2.Y, 0.0f, face.Item4,
face.Item3.X, face.Item5, face.Item3.Y, 1.0f, face.Item5,
corner.X, 0.0f, corner.Y, face.Item4 == 0.0f ? 1.0f : 0.0f, 0.0f
});
}
else
{
mf = new ModelFace(texWall, new float[]
{
face.Item2.X, face.Item4, face.Item2.Y, 0.0f, face.Item4,
face.Item3.X, face.Item5, face.Item3.Y, 1.0f, face.Item5,
face.Item3.X, 0.0f, face.Item3.Y, 1.0f, 0.0f,
face.Item2.X, 0.0f, face.Item2.Y, 0.0f, 0.0f
});
}
mdl.AddFace(mf, face.Item1);
}
bool tri = (int)highCorners % 3 > 0;
if (!(!bfr && !bbl && (bfl ^ bbr)) &&
!(bfr && bbl && (!bfl || !bbr)))
{
mdl.AddFace(new ModelFace(tri ? texTopTri : texTop, new float[]
{
pbl.X, hbl, pbl.Y, 0.0f, 0.0f,
pbr.X, hbr, pbr.Y, 1.0f, 0.0f,
pfr.X, hfr, pfr.Y, 1.0f, 1.0f,
}), bbl && bbr && bfr ? Face.Top : Face.All);
mdl.AddFace(new ModelFace(tri ? texTopTri : texTop, new float[]
{
pbl.X, hbl, pbl.Y, 0.0f, 0.0f,
pfr.X, hfr, pfr.Y, 1.0f, 1.0f,
pfl.X, hfl, pfl.Y, 0.0f, 1.0f
}), bbl && bfl && bfr ? Face.Top : Face.All);
}
else
{
mdl.AddFace(new ModelFace(tri ? texTopTri : texTop, new float[]
{
pbr.X, hbr, pbr.Y, 0.0f, 0.0f,
pfr.X, hfr, pfr.Y, 1.0f, 0.0f,
pfl.X, hfl, pfl.Y, 1.0f, 1.0f,
}), bbr && bfr && bfl ? Face.Top : Face.All);
mdl.AddFace(new ModelFace(tri ? texTopTri : texTop, new float[]
{
pbr.X, hbr, pbr.Y, 0.0f, 0.0f,
pfl.X, hfl, pfl.Y, 1.0f, 1.0f,
pbl.X, hbl, pbl.Y, 0.0f, 1.0f
}), bbr && bfl && bbl ? Face.Top : Face.All);
}
return(mdl);
}