void ParseSidedef()
{
Sidedef ns = new Sidedef();
Dictionary <string, string> blockData = ParseBlock();
ns.xOffset = BlockInt(blockData, "offsetx", 0);
ns.yOffset = BlockInt(blockData, "offsety", 0);
ns.upper = BlockString(blockData, "texturetop", "-");
ns.lower = BlockString(blockData, "texturebottom", "-");
ns.mid = BlockString(blockData, "texturemiddle", "-");
ns.sector = BlockInt(blockData, "sector");
msidedefs.Add(ns);
return;
}
public void LoadSidedefs(byte[] data)
{
int size = 30;
sidedefs = new Sidedef[data.Length / size];
for (int i = 0; i < data.Length; i += size)
{
Sidedef ns = new Sidedef()
{
xOffset = BitConverter.ToInt16(data, i),
yOffset = BitConverter.ToInt16(data, i + 2),
upper = FixString(new string(Encoding.ASCII.GetChars(data, i + 4, 8))),
lower = FixString(new string(Encoding.ASCII.GetChars(data, i + 12, 8))),
mid = FixString(new string(Encoding.ASCII.GetChars(data, i + 20, 8))),
sector = BitConverter.ToInt16(data, i + 28),
};
sidedefs[i / size] = ns;
}
}
Vector2[] CalculateUVs(float length, Vector2 bottomHeight, Vector2 topHeight, Linedef line, bool front, SideOrientation orientation)
{
Sidedef side = null;
side = map.sidedefs[front?line.front:line.back];
float height;
string texture;
switch (orientation)
{
case SideOrientation.Upper:
texture = side.upper;
height = topHeight.y - topHeight.x;
break;
case SideOrientation.Middle:
texture = side.mid;
height = topHeight.x - bottomHeight.y;
break;
case SideOrientation.Lower:
texture = side.lower;
height = bottomHeight.y - bottomHeight.x;
break;
default:
texture = "-";
height = 1f;
break;
}
Vector2 size = Vector2.one;
Vector2 offset = Vector2.zero;
if (wad.textureTable.Contains(texture.ToUpper()))
{
var textureInfo = wad.textureTable.Get(texture.ToUpper());
Vector2 textureSize = new Vector2(textureInfo.width, textureInfo.height);
size.x = length / textureSize.x;
size.y = height / textureSize.y;
offset.x = (float)side.xOffset / textureSize.x;
offset.y = (float)side.yOffset / textureSize.y;
if (orientation == SideOrientation.Middle)
{
if (line.lowerUnpegged && !line.upperUnpegged)
{
// Draw from bottom
offset.y -= size.y;
}
else
{
}
}
if (orientation == SideOrientation.Upper)
{
if (!line.upperUnpegged)
{
// draw from height ceiling
offset.y -= size.y;
}
}
if (orientation == SideOrientation.Lower)
{
if (!line.lowerUnpegged)
{
// draw from higher ceiling
offset.y += topHeight.y - bottomHeight.y;
}
else
{
// offset.y -= size.y;
}
}
}
size += offset;
return(new Vector2[] {
new Vector2(offset.x, size.y),
new Vector2(offset.x, offset.y),
new Vector2(size.x, offset.y),
new Vector2(size.x, size.y)
});
}
GameObject[] BuildLine(int lineIndex)
{
List <GameObject> output = new List <GameObject>();
Linedef line = map.linedefs[lineIndex];
Sidedef front = map.sidedefs[line.front];
Sidedef back = null;
if (line.back != 0xFFFF && line.back != -1)
{
back = map.sidedefs[line.back];
}
float floorHeight = map.sectors[front.sector].floorHeight;
float ceilingHeight = map.sectors[front.sector].ceilingHeight;
Vector2Int start = new Vector2Int(
map.vertices[line.start].x,
map.vertices[line.start].y
);
Vector2Int end = new Vector2Int(
map.vertices[line.end].x,
map.vertices[line.end].y
);
float length = Vector2Int.Distance(start, end);
Vector2Int frontHeight = new Vector2Int(
map.sectors[front.sector].floorHeight,
map.sectors[front.sector].ceilingHeight
);
Vector2Int backHeight = new Vector2Int();
if (back != null)
{
backHeight.x = map.sectors[back.sector].floorHeight;
backHeight.y = map.sectors[back.sector].ceilingHeight;
}
if (back == null)
{
// 1-sided line
Vector2Int topHeight = new Vector2Int(
frontHeight.y,
frontHeight.y
);
Vector2Int bottomHeight = new Vector2Int(
frontHeight.x,
frontHeight.x
);
if (frontHeight.y != frontHeight.x)
{
Mesh mesh = BuildQuad(
start, end, frontHeight, CalculateUVs(length, bottomHeight, topHeight, line, true, SideOrientation.Middle)
);
output.Add(BuildGameObject(mesh, map.sectors[front.sector], GetWallMaterial(front.mid), true));
}
}
else
{
// 2-sided line
Mesh mesh;
Material material;
Vector2Int topHeight = new Vector2Int(
Mathf.Min(backHeight.y, frontHeight.y),
Mathf.Max(backHeight.y, frontHeight.y)
);
Vector2Int bottomHeight = new Vector2Int(
Mathf.Min(backHeight.x, frontHeight.x),
Mathf.Max(backHeight.x, frontHeight.x)
);
// Front Mid
if (front.mid != "-")
{
Vector2Int height = new Vector2Int(
bottomHeight.y,
topHeight.x
);
mesh = BuildQuad(start, end, height, CalculateUVs(length, bottomHeight, topHeight, line, true, SideOrientation.Middle));
output.Add(BuildGameObject(mesh, map.sectors[front.sector], material = GetWallMaterial(front.mid), line.impassable));
}
if (frontHeight.y > backHeight.y)
{
// Front Upper
mesh = BuildQuad(start, end, topHeight, CalculateUVs(length, bottomHeight, topHeight, line, true, SideOrientation.Upper));
if (IsSky(line, true, SideOrientation.Upper))
{
material = skyMaterial;
}
else
{
material = GetWallMaterial(front.upper);
}
output.Add(BuildGameObject(mesh, map.sectors[front.sector], material, true));
}
if (frontHeight.x < backHeight.x)
{
// Front Lower
mesh = BuildQuad(start, end, bottomHeight, CalculateUVs(length, bottomHeight, topHeight, line, true, SideOrientation.Lower));
if (IsSky(line, true, SideOrientation.Lower))
{
material = skyMaterial;
}
else
{
material = GetWallMaterial(front.lower);
}
output.Add(BuildGameObject(mesh, map.sectors[front.sector], material, true));
}
// Back Mid
if (back.mid != "-")
{
Vector2Int height = new Vector2Int(
bottomHeight.y,
topHeight.x
);
mesh = BuildQuad(end, start, height, CalculateUVs(length, bottomHeight, topHeight, line, false, SideOrientation.Middle));
output.Add(BuildGameObject(mesh, map.sectors[back.sector], GetWallMaterial(back.mid), line.impassable));
}
if (frontHeight.y < backHeight.y)
{
// Back Upper
mesh = BuildQuad(end, start, topHeight, CalculateUVs(length, bottomHeight, topHeight, line, false, SideOrientation.Upper));
if (IsSky(line, false, SideOrientation.Upper))
{
material = skyMaterial;
}
else
{
material = GetWallMaterial(back.upper);
}
output.Add(BuildGameObject(mesh, map.sectors[back.sector], material, true));
}
if (frontHeight.x > backHeight.x)
{
// Back Lower
mesh = BuildQuad(end, start, bottomHeight, CalculateUVs(length, bottomHeight, topHeight, line, false, SideOrientation.Lower));
if (IsSky(line, false, SideOrientation.Lower))
{
material = skyMaterial;
}
else
{
material = GetWallMaterial(back.lower);
}
output.Add(BuildGameObject(mesh, map.sectors[back.sector], material, true));
}
}
return(output.ToArray());
}