protected void CreateBottomVertices(FaceCoordinates frontCoords, FaceCoordinates backCoords, Vector2[] texture)
{
if (!Bottom)
{
return;
}
Coors.Add(new VertexPositionNormalTexture(frontCoords.BottomRight, Vector3.Zero, texture[2]));
Coors.Add(new VertexPositionNormalTexture(backCoords.BottomRight, Vector3.Zero, texture[1]));
Coors.Add(new VertexPositionNormalTexture(backCoords.BottomLeft, Vector3.Zero, texture[0]));
Coors.Add(new VertexPositionNormalTexture(frontCoords.BottomLeft, Vector3.Zero, texture[3]));
int startIndex = Coors.Count - 4;
IndexBufferCollection.Add(startIndex);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex);
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 3);
}
protected void CreateLeftVertices(FaceCoordinates frontCoords, FaceCoordinates backCoords, Vector2[] texture)
{
if (!Left)
{
return;
}
Coors.Add(new VertexPositionNormalTexture(frontCoords.TopLeft, Vector3.Zero, texture[3]));
Coors.Add(new VertexPositionNormalTexture(backCoords.BottomLeft, Vector3.Zero, texture[1]));
Coors.Add(new VertexPositionNormalTexture(frontCoords.BottomLeft, Vector3.Zero, texture[2]));
Coors.Add(new VertexPositionNormalTexture(backCoords.TopLeft, Vector3.Zero, texture[0]));
//Left also has a strange index buffer order...
int startIndex = Coors.Count - 4;
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex + 3);
IndexBufferCollection.Add(startIndex);
}
protected void SetUpSlopeDiagonal(byte rotation)
{
FaceCoordinates frontCoordinates;
FaceCoordinates backCoordinates;
PrepareCoordinates(out frontCoordinates, out backCoordinates);
if (rotation > 0)
{
frontCoordinates = RotateSlope(frontCoordinates, rotation);
backCoordinates = RotateSlope(backCoordinates, rotation);
}
//
//LID
//
if (Lid)
{
RotationType lidRotation = Lid.Rotation;
lidRotation = RotateEnum(lidRotation, rotation);
if (Lid.Flip) //ToDo: This is just a dirty way! Problem: rotation Bug if flipped
{
if (rotation == 1 || rotation == 3)
{
switch (lidRotation)
{
case RotationType.Rotate90:
lidRotation = RotationType.Rotate270;
break;
case RotationType.Rotate270:
lidRotation = RotationType.Rotate90;
break;
}
}
}
Vector2[] texPos = textures.GetNormalTexture((UInt32)Lid.TileNumber, lidRotation, Lid.Flip);
Coors.Add(new VertexPositionNormalTexture(frontCoordinates.TopLeft, Vector3.Zero, texPos[3]));
Coors.Add(new VertexPositionNormalTexture(frontCoordinates.BottomRight, Vector3.Zero, texPos[1]));
Coors.Add(new VertexPositionNormalTexture(frontCoordinates.BottomLeft, Vector3.Zero, texPos[0]));
int startIndex = Coors.Count - 3;
IndexBufferCollection.Add(startIndex);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex + 2);
}
//int TileNumber = 0;
BlockFace diagonalFace = null;
switch (rotation)
{
case 0:
diagonalFace = Right;
break;
case 1:
diagonalFace = Left;
break;
case 2:
diagonalFace = Left;
break;
case 3:
diagonalFace = Right;
break;
}
//Diagonal face
if (diagonalFace)
{
Vector2[] texPos = textures.GetNormalTexture((UInt32)diagonalFace.TileNumber, diagonalFace.Rotation, diagonalFace.Flip);
Coors.Add(new VertexPositionNormalTexture(frontCoordinates.TopLeft, Vector3.Zero, texPos[3]));
Coors.Add(new VertexPositionNormalTexture(frontCoordinates.BottomRight, Vector3.Zero, texPos[2]));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.BottomRight, Vector3.Zero, texPos[1]));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.TopLeft, Vector3.Zero, texPos[0]));
var startIndex = Coors.Count - 4;
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex);
IndexBufferCollection.Add(startIndex + 3);
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex);
}
PrepareCoordinates(out frontCoordinates, out backCoordinates);
switch (rotation)
{
case 0: //Facing up right
Vector2[] texture = textures.GetNormalTexture((UInt32)Bottom.TileNumber, Bottom.Rotation, Bottom.Flip);
CreateBottomVertices(frontCoordinates, backCoordinates, texture);
texture = textures.GetNormalTexture((UInt32)Left.TileNumber, Left.Rotation, Left.Flip);
CreateLeftVertices(frontCoordinates, backCoordinates, texture);
break;
case 1: //Facing up left
texture = textures.GetNormalTexture((UInt32)Bottom.TileNumber, Bottom.Rotation, Bottom.Flip);
CreateBottomVertices(frontCoordinates, backCoordinates, texture);
texture = textures.GetNormalTexture((UInt32)Right.TileNumber, Right.Rotation, Right.Flip);
CreateRightVertices(frontCoordinates, backCoordinates, texture);
break;
case 2: //Facing down left --> BUG
texture = textures.GetNormalTexture((UInt32)Top.TileNumber, Top.Rotation, Top.Flip);
CreateTopVertices(frontCoordinates, backCoordinates, texture);
texture = textures.GetNormalTexture((UInt32)Right.TileNumber, Right.Rotation, Right.Flip);
CreateRightVertices(frontCoordinates, backCoordinates, texture);
break;
case 3: //Facing down right --> BUG
texture = textures.GetNormalTexture((UInt32)Top.TileNumber, Top.Rotation, Top.Flip);
CreateTopVertices(frontCoordinates, backCoordinates, texture);
texture = textures.GetNormalTexture((UInt32)Left.TileNumber, Left.Rotation, Left.Flip);
CreateLeftVertices(frontCoordinates, backCoordinates, texture);
break;
}
}
/// <summary>
/// Creates a Low Slope.
/// </summary>
/// <param name="subType"></param>
/// <param name="rotation"></param>
protected void SetLowSlope(byte subType, byte rotation)
{
//Sample is a right slope, use it for orientation, it gets rotated to fit all other directions
FaceCoordinates frontCoordinates;
FaceCoordinates backCoordinates;
PrepareCoordinates(out frontCoordinates, out backCoordinates);
float slopeScalar = 1f;
switch (subType)
{
case 26:
slopeScalar = 0.5f;
break;
case 45:
slopeScalar = 0;
break;
case 7:
slopeScalar = 0.875f;
break;
}
Vector3 middleTopLeft = frontCoordinates.TopLeft;
Vector3 middleTopRight = frontCoordinates.TopRight;
Vector3 middleBottomRight = frontCoordinates.BottomRight;
Vector3 middleBottomLeft = frontCoordinates.BottomLeft;
var middleCoordinates = new FaceCoordinates(middleTopLeft, middleTopRight, middleBottomRight, middleBottomLeft);
if (rotation > 0)
{
frontCoordinates = RotateSlope(frontCoordinates, rotation);
backCoordinates = RotateSlope(backCoordinates, rotation);
middleCoordinates = RotateSlope(middleCoordinates, rotation);
}
middleCoordinates.TopLeft.Z -= slopeScalar * GlobalScalar.Z;
middleCoordinates.TopRight.Z -= slopeScalar * GlobalScalar.Z;
middleCoordinates.BottomRight.Z -= slopeScalar * GlobalScalar.Z;
middleCoordinates.BottomLeft.Z -= slopeScalar * GlobalScalar.Z;
//Lid face
if (Lid)
{
RotationType lidRotation = Lid.Rotation;
lidRotation = RotateEnum(lidRotation, rotation);
Vector2[] texPos = textures.GetNormalTexture((UInt32)Lid.TileNumber, Lid.Rotation, Lid.Flip);
Coors.Add(new VertexPositionNormalTexture(middleCoordinates.TopRight, Vector3.Zero, texPos[2]));
Coors.Add(new VertexPositionNormalTexture(middleCoordinates.BottomRight, Vector3.Zero, texPos[1]));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.BottomLeft, Vector3.Zero, texPos[0]));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.TopLeft, Vector3.Zero, texPos[3]));
int startIndex = Coors.Count - 4;
IndexBufferCollection.Add(startIndex);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex);
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 3);
}
BlockFace topFace = null;
BlockFace bottomFace = null;
BlockFace rightFace = null;
switch (rotation)
{
case 0: //No rotation
topFace = Top;
bottomFace = Bottom;
rightFace = Right;
break;
case 1: //
topFace = Left;
bottomFace = Right;
rightFace = Top;
break;
case 2:
topFace = Bottom;
bottomFace = Top;
rightFace = Left;
break;
case 3:
topFace = Right;
bottomFace = Left;
rightFace = Bottom;
break;
}
//Top face
if (topFace)
{
Vector2[] texPos = textures.GetNormalTexture((UInt32)topFace.TileNumber, topFace.Rotation, topFace.Flip);
Vector2 center = GetCenterPosition(ref texPos[3], ref texPos[0], slopeScalar);
Coors.Add(new VertexPositionNormalTexture(middleCoordinates.TopRight, Vector3.Zero, center));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.TopRight, Vector3.Zero, texPos[0]));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.TopLeft, Vector3.Zero, texPos[1]));
int startIndex = Coors.Count - 3;
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex + 0);
}
//Bottom face
if (bottomFace)
{
Vector2[] texPos = textures.GetNormalTexture((UInt32)bottomFace.TileNumber, bottomFace.Rotation, bottomFace.Flip);
Vector2 center = GetCenterPosition(ref texPos[2], ref texPos[1], slopeScalar);
Coors.Add(new VertexPositionNormalTexture(middleCoordinates.BottomRight, Vector3.Zero, center));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.BottomRight, Vector3.Zero, texPos[1]));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.BottomLeft, Vector3.Zero, texPos[0]));
int startIndex = Coors.Count - 3;
IndexBufferCollection.Add(startIndex);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex + 2);
}
//Right face
if (rightFace) //this face is not supported by GTA2, the editor removes this face.
{
Vector2[] texPos = textures.GetNormalTexture((UInt32)rightFace.TileNumber, rightFace.Rotation, rightFace.Flip);
Vector2 center = GetCenterPosition(ref texPos[1], ref texPos[2], slopeScalar);
Coors.Add(new VertexPositionNormalTexture(middleCoordinates.TopRight, Vector3.Zero, center));
center = GetCenterPosition(ref texPos[0], ref texPos[3], slopeScalar);
Coors.Add(new VertexPositionNormalTexture(middleCoordinates.BottomRight, Vector3.Zero, center));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.BottomRight, Vector3.Zero, texPos[3]));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.TopRight, Vector3.Zero, texPos[2]));
int startIndex = Coors.Count - 4;
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex + 0);
IndexBufferCollection.Add(startIndex);
IndexBufferCollection.Add(startIndex + 3);
IndexBufferCollection.Add(startIndex + 2);
}
}
protected void SetUpSlopeHigh(byte subType, byte rotation)
{
//Sample is a right slope, use it for orientation, it gets rotated to fit all other directions
FaceCoordinates frontCoordinates;
FaceCoordinates backCoordinates;
PrepareCoordinates(out frontCoordinates, out backCoordinates);
float middleSlopeScalar = 1f;
float frontSlopeScalar = 0f;
switch (subType)
{
case 26:
middleSlopeScalar = 0.5f;
frontSlopeScalar = 0;
break;
case 7:
middleSlopeScalar = 0.875f;
frontSlopeScalar = 0.75f;
break;
case 8:
middleSlopeScalar = 0.75f;
frontSlopeScalar = 0.625f;
break;
case 9:
middleSlopeScalar = 0.625f;
frontSlopeScalar = 0.5f;
break;
case 10:
middleSlopeScalar = 0.5f;
frontSlopeScalar = 0.375f;
break;
case 11:
middleSlopeScalar = 0.375f;
frontSlopeScalar = 0.25f;
break;
case 12:
middleSlopeScalar = 0.25f;
frontSlopeScalar = 0.125f;
break;
case 13:
middleSlopeScalar = 0.125f;
frontSlopeScalar = 0;
break;
}
Vector3 middleTopLeft = frontCoordinates.TopLeft;
Vector3 middleTopRight = frontCoordinates.TopRight;
Vector3 middleBottomRight = frontCoordinates.BottomRight;
Vector3 middleBottomLeft = frontCoordinates.BottomLeft;
var middleCoordinates = new FaceCoordinates(middleTopLeft, middleTopRight, middleBottomRight, middleBottomLeft);
if (rotation > 0)
{
frontCoordinates = RotateSlope(frontCoordinates, rotation);
backCoordinates = RotateSlope(backCoordinates, rotation);
middleCoordinates = RotateSlope(middleCoordinates, rotation);
}
frontCoordinates.TopLeft.Z -= frontSlopeScalar * GlobalScalar.Z;
frontCoordinates.TopRight.Z -= frontSlopeScalar * GlobalScalar.Z;
frontCoordinates.BottomRight.Z -= frontSlopeScalar * GlobalScalar.Z;
frontCoordinates.BottomLeft.Z -= frontSlopeScalar * GlobalScalar.Z;
middleCoordinates.TopLeft.Z -= middleSlopeScalar * GlobalScalar.Z;
middleCoordinates.TopRight.Z -= middleSlopeScalar * GlobalScalar.Z;
middleCoordinates.BottomRight.Z -= middleSlopeScalar * GlobalScalar.Z;
middleCoordinates.BottomLeft.Z -= middleSlopeScalar * GlobalScalar.Z;
//Front face (diagonal)
if (Lid.TileNumber > 0)
{
RotationType lidRotation = Lid.Rotation;
lidRotation = RotateEnum(lidRotation, rotation);
Vector2[] texPos = textures.GetNormalTexture((UInt32)Lid.TileNumber, Lid.Rotation, Lid.Flip);
Coors.Add(new VertexPositionNormalTexture(frontCoordinates.TopRight, Vector3.Zero, texPos[2]));
Coors.Add(new VertexPositionNormalTexture(frontCoordinates.BottomRight, Vector3.Zero, texPos[1]));
Coors.Add(new VertexPositionNormalTexture(middleCoordinates.BottomLeft, Vector3.Zero, texPos[0]));
Coors.Add(new VertexPositionNormalTexture(middleCoordinates.TopLeft, Vector3.Zero, texPos[3]));
int startIndex = Coors.Count - 4;
IndexBufferCollection.Add(startIndex + 0);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 0);
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 3);
}
BlockFace topFace = null;
BlockFace bottomFace = null;
BlockFace leftFace = null;
BlockFace rightFace = null;
switch (rotation)
{
case 0:
topFace = Top;
bottomFace = Bottom;
leftFace = Left;
rightFace = Right;
break;
case 1:
topFace = Left;
bottomFace = Right;
leftFace = Bottom;
rightFace = Top;
break;
case 2:
topFace = Bottom;
bottomFace = Top;
leftFace = Right;
rightFace = Left;
break;
case 3:
topFace = Right;
bottomFace = Left;
leftFace = Top;
rightFace = Bottom;
break;
}
//Top face
if (topFace)
{
Vector2[] texPos = textures.GetNormalTexture((UInt32)topFace.TileNumber, topFace.Rotation, topFace.Flip);
Vector2 center = GetCenterPosition(ref texPos[0], ref texPos[3], frontSlopeScalar);
Coors.Add(new VertexPositionNormalTexture(frontCoordinates.TopRight, Vector3.Zero, center)); //was 3
Coors.Add(new VertexPositionNormalTexture(backCoordinates.TopRight, Vector3.Zero, texPos[0]));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.TopLeft, Vector3.Zero, texPos[1]));
center = GetCenterPosition(ref texPos[1], ref texPos[2], middleSlopeScalar);
Coors.Add(new VertexPositionNormalTexture(middleCoordinates.TopLeft, Vector3.Zero, center));
int startIndex = Coors.Count - 4;
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex + 0);
IndexBufferCollection.Add(startIndex + 3);
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 0);
}
//Bottom face
if (bottomFace)
{
Vector2[] texPos = textures.GetNormalTexture((UInt32)bottomFace.TileNumber, bottomFace.Rotation, bottomFace.Flip);
Vector2 center = GetCenterPosition(ref texPos[2], ref texPos[1], frontSlopeScalar);
Coors.Add(new VertexPositionNormalTexture(frontCoordinates.BottomRight, Vector3.Zero, center)); //was texPos[2]
Coors.Add(new VertexPositionNormalTexture(backCoordinates.BottomRight, Vector3.Zero, texPos[1]));
Coors.Add(new VertexPositionNormalTexture(backCoordinates.BottomLeft, Vector3.Zero, texPos[0]));
center = GetCenterPosition(ref texPos[3], ref texPos[0], middleSlopeScalar);
Coors.Add(new VertexPositionNormalTexture(middleCoordinates.BottomLeft, Vector3.Zero, center));
int startIndex = Coors.Count - 4;
IndexBufferCollection.Add(startIndex);
IndexBufferCollection.Add(startIndex + 1);
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 0);
IndexBufferCollection.Add(startIndex + 2);
IndexBufferCollection.Add(startIndex + 3);
}
//ToDo Left face (but probably not supported in GTA2 anyway)
//Right face
Vector2[] texture = textures.GetNormalTexture((UInt32)Right.TileNumber, Right.Rotation, Right.Flip);
CreateRightVertices(frontCoordinates, backCoordinates, texture);
}