public Face(Vector3 normal, Vector3 center)
{
this.normal = normal;
this.center = center;
blocks = new List<Block>();
Block b = new Block();
Vector3 xDir = Vector3.UnitX;
if(Vector3.Cross(xDir, normal).Equals(Vector3.Zero))
xDir = Vector3.UnitZ;
Vector3 yDir = Vector3.Cross(normal, xDir);
yDir.Normalize();
xDir.Normalize();
b.edges.Add(new Edge(center,center+xDir*2));
b.edges.Add(new Edge(center+xDir*2,center+xDir*2+yDir*2));
b.edges.Add(new Edge(center+xDir*2+yDir*2,center+yDir*2));
b.edges.Add(new Edge(center + yDir * 2, center));
b.Init();
blocks.Add(b);
doodads = new List<Doodad>();
monsters = new List<Monster>();
}
public Block(Block b)
{
id = b.id;
name = b.name;
color = b.color;
edges = new List<Edge>();
behaviors = new List<Behavior>();
foreach (Edge e in b.edges)
{
edges.Add(new Edge(e));
}
foreach (Behavior be in b.behaviors)
{
behaviors.Add(new Behavior(be));
}
}
public bool IsBlockValid(Block b)
{
Vector3 result;
Vector3 prevResult = Vector3.Zero;
foreach (Edge e in b.edges)
{
for (int i = 0; i < 4; i++)
{
Vector3 v1 = vertices[i] - vertices[(i + 1) % 4];
Vector3 v2 = e.start - vertices[(i + 1) % 4];
result = Vector3.Cross(v1, v2);
if (i > 0 && Vector3.Dot(result, prevResult) < 0)
return false;
prevResult = result;
}
}
return true;
}
public VertexPositionColor[] GetTemplate(Vector3 position, Vector3 templatePosition)
{
Color templateColor = Color.White;
Block b = null;
VertexPositionColor[] vList = new VertexPositionColor[8];
Vector3 xDir = Vector3.UnitX;
if (Vector3.Cross(xDir, normal).Equals(Vector3.Zero))
xDir = Vector3.UnitZ;
Vector3 yDir = Vector3.Cross(normal, xDir);
yDir.Normalize();
xDir.Normalize();
xDir = 2f * xDir;
yDir = 2f * yDir;
b = GetHoverBlock(position);
if (b == null)
{
templateColor = Color.Black;
b = new Block();
b.edges.Add(new Edge(templatePosition, templatePosition + xDir));
b.edges.Add(new Edge(templatePosition + xDir, templatePosition + xDir + yDir));
b.edges.Add(new Edge(templatePosition + xDir + yDir, templatePosition + yDir));
b.edges.Add(new Edge(templatePosition + yDir, templatePosition));
}
if(IsBlockValid(b))
{
vList[0] = new VertexPositionColor(b.edges[0].start + .2f*normal, templateColor);
vList[1] = new VertexPositionColor(b.edges[0].end + .2f * normal, templateColor);
vList[2] = new VertexPositionColor(b.edges[1].start + .2f * normal, templateColor);
vList[3] = new VertexPositionColor(b.edges[1].end + .2f * normal, templateColor);
vList[4] = new VertexPositionColor(b.edges[2].start + .2f * normal, templateColor);
vList[5] = new VertexPositionColor(b.edges[2].end + .2f * normal, templateColor);
vList[6] = new VertexPositionColor(b.edges[3].start + .2f * normal, templateColor);
vList[7] = new VertexPositionColor(b.edges[3].end + .2f * normal, templateColor);
return vList;
}
return null;
}
public VertexPositionColor[] GetSelectedMonsterHighlight(Vector3 position)
{
VertexPositionColor[] vList = null;
Monster m = GetHoverMonster(position);
if (m == null)
{
Color templateColor = Color.Yellow;
Vector3 lockPosition = new Vector3((int)position.X, (int)position.Y, (int)position.Z);
Vector3 up = .5f * MainForm.currentUp;
Vector3 left = .5f * Vector3.Cross(MainForm.currentUp, normal);
lockPosition += up + left + .4f * normal;
Block testBlock = new Block();
testBlock.edges.Add(new Edge(lockPosition - up, lockPosition + left));
testBlock.edges.Add(new Edge(lockPosition + left, lockPosition + up));
testBlock.edges.Add(new Edge(lockPosition + up, lockPosition - left));
testBlock.edges.Add(new Edge(lockPosition - left, lockPosition - up));
if (IsBlockValid(testBlock))
{
vList = new VertexPositionColor[6];
vList[0] = new VertexPositionColor(lockPosition - up - left, templateColor);
vList[1] = new VertexPositionColor(lockPosition + up + left, templateColor);
vList[2] = new VertexPositionColor(lockPosition - up + left, templateColor);
vList[3] = new VertexPositionColor(lockPosition + up - left, templateColor);
vList[4] = new VertexPositionColor(lockPosition + up, templateColor);
vList[5] = new VertexPositionColor(lockPosition, templateColor);
}
}
return vList;
}
public void AddBlock(Vector3 position)
{
Block b = new Block();
Vector3 xDir = Vector3.UnitX;
if (Vector3.Cross(xDir, normal).Equals(Vector3.Zero))
xDir = Vector3.UnitZ;
Vector3 yDir = Vector3.Cross(normal, xDir);
yDir.Normalize();
xDir.Normalize();
xDir = 2f * xDir;
yDir = 2f * yDir;
b.edges.Add(new Edge(position, position + xDir));
b.edges.Add(new Edge(position + xDir, position + xDir + yDir));
b.edges.Add(new Edge(position + xDir + yDir, position + yDir));
b.edges.Add(new Edge(position + yDir, position));
bool blockOK = IsBlockValid(b);
if (blockOK)
{
b.Init();
blocks.Add(b);
}
}