/// <summary>
/// Returns a Y-value that represents a flat line above the slope that
/// the other object could stand on.
/// </summary>
public float? FindYLineAboveFloor(WorldObject other)
{
float line = float.PositiveInfinity;
float h;
if (other.Left >= this.pointL.X && other.Left <= this.pointR.X)
{
// The left edge if the object is within range.
h = FindHeightGivenX(other.Left);
line = line < h ? line : h;
}
if (other.Right >= this.pointL.X && other.Right <= this.pointR.X)
{
// The right edge of the object is within range.
h = FindHeightGivenX(other.Right);
line = line < h ? line : h;
}
if (this.pointL.X >= other.Left && this.pointL.X <= other.Right)
{
// The left point of the floor intersects with the object.
line = line < this.pointL.Y ? line : this.pointL.Y;
}
if (this.pointR.X >= other.Left && this.pointR.X <= other.Right)
{
// The right point of the floor intersects with the object.
line = line < this.pointR.Y ? line : this.pointR.Y;
}
if (float.IsInfinity(line))
return null;
else
return line;
}
/// <summary>
/// Loads a room with the specified filename.
///
/// Returns 0 if everything is OK.
/// Returns 2 if cannot find the file.
/// Returns 3 if it had to load new textures.
/// Returns 4 if we are missing textures.
/// Returns -1 if the file is corrupt.
/// </summary>
/// <param name="fname">The filename to load from.</param>
/// <returns>A code indicating error or success.</returns>
public int Load(string fname)
{
// Reads in the entire file.
string[] lines;
try
{
lines = System.IO.File.ReadAllLines(fname);
}
catch
{
return 2;
}
Reset();
// Sets file index to 10 (skip header)
int i = 0;
name = lines[i++];
this.boundsTopLeft.X = float.Parse(lines[i++]);
this.boundsTopLeft.Y = float.Parse(lines[i++]);
this.boundsBottomRight.X = float.Parse(lines[i++]);
this.boundsBottomRight.Y = float.Parse(lines[i++]);
i = 10;
int flag = 0;
while (i < lines.Length)
{
string type = lines[i++];
switch (type)
{
case "Floor":
floors.Add(new Floor(new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++])), new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++]))));
break;
case "Block":
blocks.Add(new Block(new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++])), new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++]))));
break;
case "TopBlock":
blocks.Add(new Block(new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++])), new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++])), true));
break;
case "Player":
Player p = new Player(new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++])), this);
objects.Add(p);
this.cameraTarget = p;
break;
case "WorldObject":
objects.Add(new WorldObject(new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++])), new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++])), TextureBin.GetTexture(lines[i++]), this));
break;
case "Node":
nodes.AddNode(lines[i++], new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++])));
break;
case "Decal":
bool isFront = (lines[i++] == "F");
Vector2 pos = new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++]));
Color col = new Color(int.Parse(lines[i++]), int.Parse(lines[i++]), int.Parse(lines[i++]), int.Parse(lines[i++]));
Vector2 ori = new Vector2(float.Parse(lines[i++]), float.Parse(lines[i++]));
Texture2D tex;
if (!TextureBin.GetDictionary.ContainsKey(lines[i]))
{
if (TextureBin.LoadTextureFromStream("Content\\Decals\\" + lines[i] + ".png") == 0)
{
tex = TextureBin.GetTexture(lines[i]);
flag = 3;
}
else
{
tex = TextureBin.Pixel;
flag = 4;
}
}
else
tex = TextureBin.GetTexture(lines[i]);
i++;
Decal d = new Decal(pos, tex, ori, col, float.Parse(lines[i++]), float.Parse(lines[i++]), float.Parse(lines[i++]));
if (isFront)
decalsFront.Add(d);
else
decalsBack.Add(d);
break;
default:
i = lines.Length;
flag = -1;
break;
}
}
return flag;
}
// Empties the contents of a room.
public virtual void Reset()
{
this.floors = new List<Floor>();
this.blocks = new List<Block>();
this.cameraTarget = null;
this.objects = new BufferedList<WorldObject>();
this.nodes = new NodeManager();
this.decalsBack = new BufferedList<Decal>();
this.decalsFront = new BufferedList<Decal>();
}
public bool IntersectsWith(WorldObject other)
{
return (this.Right > other.Left && this.Left < other.Right && this.Bottom > other.Top && this.Top < other.Bottom);
}
