// Append a texture definition
public void Add(byte[] lumpData)
{
uint amt = BitConverter.ToUInt32(lumpData, 0);
uint[] offsets = new uint[amt];
int i;
for (i = 0; i < amt; i++)
{
offsets[i] = BitConverter.ToUInt32(lumpData, 4 + (i * 4));
}
for (i = 0; i < amt; i++)
{
int offset = (int)offsets[i];
uint patchCount = BitConverter.ToUInt16(lumpData, offset + 20);
List <DoomPatch> patches = new List <DoomPatch>();
for (int j = offset + 22; j < (offset + 22) + (patchCount * 10); j += 10)
{
DoomPatch np = new DoomPatch(
(int)BitConverter.ToInt16(lumpData, j),
(int)BitConverter.ToInt16(lumpData, j + 2),
(int)BitConverter.ToUInt16(lumpData, j + 4)
);
patches.Add(np);
}
DoomTexture newTex = new DoomTexture(
WadFile.GetString(lumpData, offset),
(int)BitConverter.ToUInt16(lumpData, offset + 12),
(int)BitConverter.ToUInt16(lumpData, offset + 14),
patches
);
if (textures.ContainsKey(newTex.name))
{
textures[newTex.name] = newTex;
}
else
{
//Debug.Log(newTex.name);
textures.Add(newTex.name, newTex);
}
}
}
public static Texture2D BuildTexture(string name, WadFile wad, TextureTable textures)
{
if (textureCache == null)
{
textureCache = new Dictionary <string, Texture2D>();
}
if (textureCache.ContainsKey(name))
{
return(textureCache[name]);
}
PatchTable pnames = new PatchTable(wad.GetLump("PNAMES"));
DoomTexture texture = textures.Get(name.ToUpper());
Texture2D output = new Texture2D(texture.width, texture.height, TextureFormat.RGBA32, false, true);
for (int i = 0; i < texture.patches.Count; i++)
{
DoomPatch p = texture.patches[i];
Texture2D patch2d = DoomGraphic.BuildPatch(p.patchIndex, pnames, wad);
if (patch2d == null)
{
return(null);
}
int copyX = (p.originX < 0)?-p.originX:0;
int copyY = (p.originY < 0)?-p.originY:0;
int pasteX = (p.originX > 0)?p.originX:0;
int pasteY = (p.originY > 0)?p.originY:0;
int copyWidth = patch2d.width - copyX;
if (copyWidth > output.width - pasteX)
{
copyWidth = output.width - pasteX;
}
int copyHeight = patch2d.height - copyY;
if (copyHeight > output.height - pasteY)
{
copyHeight = output.height - pasteY;
}
for (int a = 0; a < copyWidth; a++)
{
for (int b = 0; b < copyHeight; b++)
{
Color col = patch2d.GetPixel(copyX + a, copyY + b);
if (col.a != 0f)
{
output.SetPixel(pasteX + a, pasteY + b, col);
}
}
}
}
output.Apply();
output.wrapMode = TextureWrapMode.Repeat;
output.filterMode = FilterMode.Point;
textureCache.Add(name, output);
return(output);
}
