public Triangle(Vector a, Vector b, Vector c, MyColor col)
{
vertices = new Vector[3];
vertices[0] = a;
vertices[1] = b;
vertices[2] = c;
color = col;
HasTexture = false;
}
public Triangle(Vector a, Vector b, Vector c)
{
vertices = new Vector[3];
vertices[0] = a;
vertices[1] = b;
vertices[2] = c;
color = new MyColor(0.5F, 0.5F, 0.5F);
HasTexture = false;
}
public Quad(Vector a, Vector b, Vector c, Vector d, MyColor col, string n)
{
vertices = new Vector[4];
vertices[0] = a;
vertices[1] = b;
vertices[2] = c;
vertices[3] = d;
color = col;
name = n;
}
public Scene(string inputFilename)
{
triangles = new List<Triangle>();
quads = new List<Quad>();
bullets = new List<Bullet>();
hud = new HUD();
StreamReader reader = new FileInfo(inputFilename).OpenText();
string line;
Dictionary<string, Vector> loadedVertices = new Dictionary<string, Vector>();
Dictionary<string, int> loadedTextures = new Dictionary<string, int>();
Dictionary<string, float> values = new Dictionary<string,float>();
int texturesCount = 0;
textures = new uint[texturesCount];
int lineCounter = 0;
while (true)
{
line = reader.ReadLine();
if (line == null)
break;
line = System.Text.RegularExpressions.Regex.Replace(line, "#.*", "", System.Text.RegularExpressions.RegexOptions.Compiled);
lineCounter++;
if (line == "")
continue;
if (line.IndexOf("clear vertices") == 0)
loadedVertices = new Dictionary<string, Vector>();
else if (line.IndexOf("start") == 0)
{
#region start
string[] parts = line.Split(new char[] { ' ' }, System.StringSplitOptions.RemoveEmptyEntries);
if (parts.Length != 6)
{
throw new Exception("line.split for start did not make the right length array. line " + lineCounter.ToString());
}
cameraPosition.x = GetFloat(parts[1], values);
cameraPosition.y = GetFloat(parts[2], values);
cameraPosition.z = GetFloat(parts[3], values);
lookAngleX = GetFloat(parts[4], values);
lookAngleY = GetFloat(parts[5], values);
#endregion
}
else if (line.Contains("vertex"))
{
#region vertex
try
{
string[] parts = line.Split(new char[] { ' ' }, System.StringSplitOptions.RemoveEmptyEntries);
if (parts.Length != 5)
throw new Exception("line.Split for Vector did not make the right length array. line " + lineCounter.ToString());
string name = parts[1];
float x = GetFloat(parts[2], values);
float y = GetFloat(parts[3], values);
float z = GetFloat(parts[4], values);
loadedVertices.Add(name, new Vector(x, y, z));
}
catch (Exception e)
{
throw new Exception("error parsing input file. line " + lineCounter.ToString() + " . message: " + e.Message);
}
#endregion
}
else if (line.Contains("quad"))
{
#region quad
string[] parts;
parts = line.Split(new char[] { ' ' }, System.StringSplitOptions.RemoveEmptyEntries);
if (parts.Length > 10)
{
throw new Exception("line.split for quad was not the right length. line: " + lineCounter.ToString());
}
if (parts[5] == "color")
{
float red = GetFloat(parts[6], values);
float green = GetFloat(parts[7], values);
float blue = GetFloat(parts[8], values);
MyColor color = new MyColor(red, green, blue);
string name = parts[9];
Vector v1 = loadedVertices[parts[1]];
Vector v2 = loadedVertices[parts[2]];
Vector v3 = loadedVertices[parts[3]];
Vector v4 = loadedVertices[parts[4]];
Quad quad = new Quad(v1, v2, v3, v4, color, name);
quads.Add(quad);
}
else if (parts[5] == "tex")
{
Vector v1 = loadedVertices[parts[1]];
Vector v2 = loadedVertices[parts[2]];
Vector v3 = loadedVertices[parts[3]];
Vector v4 = loadedVertices[parts[4]];
string textureName = parts[6];
string name = parts[7];
Quad quad = new Quad(v1, v2, v3, v4, name, (uint)loadedTextures[textureName]);
quads.Add(quad);
}
#endregion
}
else if (line.Contains("triangle"))
{
#region triangle
string[] parts;
try
{
parts = line.Split(new char[] { ' ' }, System.StringSplitOptions.RemoveEmptyEntries);
if (parts.Length < 6)
throw new Exception("line.split for triangle did not make the right length array. line " + lineCounter.ToString());
}
catch (Exception e)
{
throw new Exception("error splitting triangle line in input file. line " + lineCounter.ToString() + " . message: " + e.Message);
}
try
{
if (parts[4] == "color")
{
float red = GetFloat(parts[5], values);
float green = GetFloat(parts[6], values);
float blue = GetFloat(parts[7], values);
MyColor color = new MyColor(red, green, blue);
Vector v1 = loadedVertices[parts[1]];
Vector v2 = loadedVertices[parts[2]];
Vector v3 = loadedVertices[parts[3]];
Triangle tri = new Triangle(v1, v2, v3, color);
triangles.Add(tri);
}
else if (parts[4] == "texture")
{
Vector v1 = loadedVertices[parts[1]];
Vector v2 = loadedVertices[parts[2]];
Vector v3 = loadedVertices[parts[3]];
string textureName = parts[5];
Triangle tri = new Triangle(v1, v2, v3, (uint)loadedTextures[textureName]);
triangles.Add(tri);
}
}
catch (Exception e)
{
throw new Exception("error creating triangle in input file. line: " + lineCounter.ToString() + " . message: " + e.Message);
}
#endregion
}
else if (line.Contains("texture"))
{
#region texture
string[] parts = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
string file = parts[1];
string name = parts[2];
texturesCount++;
loadedTextures[name] = texturesCount;
LoadTexture(file, texturesCount);
#endregion
}
else if (line.Contains("value"))
{
#region value
string[] parts = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
string name = parts[1];
float value = float.Parse(parts[2]);
values[name] = value;
#endregion
}
else if(line.Contains("clearValues"))
{
values = new Dictionary<string,float>();
}
else
{
throw new Exception("line " + lineCounter.ToString() + " not understood");
}
}
reader.Close();
lastMouseX = Cursor.Position.X;
lastMouseY = Cursor.Position.Y;
}
