private static int GetTr4TextureIdFromPolygon(wad_polygon polygon)
{
short textureId = (short)(polygon.Texture);
if (polygon.Shape == 8)
{
textureId = (short)(polygon.Texture & 0xFFF);
if ((polygon.Texture & 0x8000) != 0)
{
textureId = (short)(-textureId);
}
}
else
{
// HACK: for taking in account sign
if (textureId > 0x7FFF)
{
textureId = (short)(textureId - 0xFFFF);
}
}
textureId = Math.Abs(textureId);
return(textureId);
}
public void LoadWad(string fileName)
{
BaseName = Path.GetFileNameWithoutExtension(fileName);
BasePath = Path.GetDirectoryName(fileName);
FileName = fileName;
logger.Info("Reading wad file: " + fileName);
// Initialize stream
using (BinaryReaderEx reader = new BinaryReaderEx(new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read)))
{
// Read wad version
Version = reader.ReadInt32();
if (Version != 129 && Version != 130)
{
logger.Error("Wad version " + Version + " is not supported!");
throw new InvalidDataException();
}
// Read textures
uint numTextures = reader.ReadUInt32();
logger.Info("Wad object textures: " + numTextures);
for (int i = 0; i < numTextures; i++)
{
wad_object_texture text;
reader.ReadBlock(out text);
Textures.Add(text);
}
uint numTextureBytes = reader.ReadUInt32();
logger.Info("Wad texture data size: " + numTextureBytes);
TexturePages = reader.ReadBytes((int)numTextureBytes);
NumTexturePages = (int)(numTextureBytes / 196608);
// Read meshes
uint numMeshPointers = reader.ReadUInt32();
logger.Info("Wad mesh pointers: " + numMeshPointers);
for (int i = 0; i < numMeshPointers; i++)
{
Pointers.Add(reader.ReadUInt32());
RealPointers.Add(0);
}
uint numMeshWords = reader.ReadUInt32();
uint bytesToRead = numMeshWords * 2;
uint bytesRead = 0;
logger.Info("Wad mesh data size: " + bytesToRead);
while (bytesRead < bytesToRead)
{
var startOfMesh = (uint)reader.BaseStream.Position;
wad_mesh mesh = new wad_mesh();
mesh.Polygons = new List <wad_polygon>();
mesh.Vertices = new List <wad_vertex>();
mesh.Normals = new List <wad_vertex>();
mesh.Shades = new List <short>();
mesh.SphereX = reader.ReadInt16();
mesh.SphereY = reader.ReadInt16();
mesh.SphereZ = reader.ReadInt16();
mesh.Radius = reader.ReadUInt16();
mesh.Unknown = reader.ReadUInt16();
var numVertices = reader.ReadUInt16();
mesh.NumVertices = numVertices;
var xMin = Int32.MaxValue;
var yMin = Int32.MaxValue;
var zMin = Int32.MaxValue;
var xMax = Int32.MinValue;
var yMax = Int32.MinValue;
var zMax = Int32.MinValue;
for (var i = 0; i < numVertices; i++)
{
var v = new wad_vertex();
v.X = reader.ReadInt16();
v.Y = reader.ReadInt16();
v.Z = reader.ReadInt16();
if (v.X < xMin)
{
xMin = v.X;
}
if (-v.Y < yMin)
{
yMin = -v.Y;
}
if (v.Z < zMin)
{
zMin = v.Z;
}
if (v.X > xMax)
{
xMax = v.X;
}
if (-v.Y > yMax)
{
yMax = -v.Y;
}
if (v.Z > zMax)
{
zMax = v.Z;
}
mesh.Vertices.Add(v);
}
mesh.Minimum = new Vector3(xMin, yMin, zMin);
mesh.Maximum = new Vector3(xMax, yMax, zMax);
short numNormals = reader.ReadInt16();
mesh.NumNormals = numNormals;
if (numNormals > 0)
{
for (var i = 0; i < numNormals; i++)
{
var n = new wad_vertex();
n.X = reader.ReadInt16();
n.Y = reader.ReadInt16();
n.Z = reader.ReadInt16();
mesh.Normals.Add(n);
}
}
else
{
for (var i = 0; i < -numNormals; i++)
{
mesh.Shades.Add(reader.ReadInt16());
}
}
ushort numPolygons = reader.ReadUInt16();
mesh.NumPolygons = numPolygons;
ushort numQuads = 0;
for (var i = 0; i < numPolygons; i++)
{
var poly = new wad_polygon();
poly.Shape = reader.ReadUInt16();
poly.V1 = reader.ReadUInt16();
poly.V2 = reader.ReadUInt16();
poly.V3 = reader.ReadUInt16();
if (poly.Shape == 9)
{
poly.V4 = reader.ReadUInt16();
}
poly.Texture = reader.ReadUInt16();
poly.Attributes = reader.ReadByte();
poly.Unknown = reader.ReadByte();
if (poly.Shape == 9)
{
numQuads++;
}
mesh.Polygons.Add(poly);
}
if (numQuads % 2 != 0)
{
reader.ReadInt16();
}
var endPosition = (uint)reader.BaseStream.Position;
bytesRead += endPosition - startOfMesh;
Meshes.Add(mesh);
// Update the real pointers
for (int k = 0; k < Pointers.Count; k++)
{
if (Pointers[k] == bytesRead)
{
RealPointers[k] = (uint)Meshes.Count;
}
}
}
var numAnimations = reader.ReadUInt32();
logger.Info("Wad animations: " + numAnimations);
for (var i = 0; i < numAnimations; i++)
{
var anim = new wad_animation();
anim.KeyFrameOffset = reader.ReadUInt32();
anim.FrameDuration = reader.ReadByte();
anim.KeyFrameSize = reader.ReadByte();
anim.StateId = reader.ReadUInt16();
anim.Speed = reader.ReadInt32();
anim.Accel = reader.ReadInt32();
anim.SpeedLateral = reader.ReadInt32();
anim.AccelLateral = reader.ReadInt32();
anim.FrameStart = reader.ReadUInt16();
anim.FrameEnd = reader.ReadUInt16();
anim.NextAnimation = reader.ReadUInt16();
anim.NextFrame = reader.ReadUInt16();
anim.NumStateChanges = reader.ReadUInt16();
anim.ChangesIndex = reader.ReadUInt16();
anim.NumCommands = reader.ReadUInt16();
anim.CommandOffset = reader.ReadUInt16();
Animations.Add(anim);
}
var numChanges = reader.ReadUInt32();
logger.Info("Wad animation state changes: " + numChanges);
for (var i = 0; i < numChanges; i++)
{
var change = new wad_state_change();
change.StateId = reader.ReadUInt16();
change.NumDispatches = reader.ReadUInt16();
change.DispatchesIndex = reader.ReadUInt16();
Changes.Add(change);
}
var numDispatches = reader.ReadUInt32();
logger.Info("Wad animation dispatches: " + numDispatches);
for (var i = 0; i < numDispatches; i++)
{
var anim = new wad_anim_dispatch();
anim.Low = reader.ReadInt16();
anim.High = reader.ReadInt16();
anim.NextAnimation = reader.ReadInt16();
anim.NextFrame = reader.ReadInt16();
Dispatches.Add(anim);
}
var numCommands = reader.ReadUInt32();
logger.Info("Wad animation commands: " + numCommands);
for (var i = 0; i < numCommands; i++)
{
Commands.Add(reader.ReadInt16());
}
var numLinks = reader.ReadUInt32();
logger.Info("Wad animation links: " + numLinks);
for (var i = 0; i < numLinks; i++)
{
Links.Add(reader.ReadInt32());
}
var numFrames = reader.ReadUInt32();
logger.Info("Wad animation frames: " + numFrames);
for (int i = 0; i < numFrames; i++)
{
KeyFrames.Add(reader.ReadInt16());
}
var numMoveables = reader.ReadUInt32();
logger.Info("Wad objects (moveables): " + numMoveables);
for (var i = 0; i < numMoveables; i++)
{
var moveable = new wad_moveable();
moveable.ObjectID = reader.ReadUInt32();
moveable.NumPointers = reader.ReadUInt16();
moveable.PointerIndex = reader.ReadUInt16();
moveable.LinksIndex = reader.ReadUInt32();
moveable.KeyFrameOffset = reader.ReadUInt32();
moveable.AnimationIndex = reader.ReadInt16();
Moveables.Add(moveable);
}
var numStaticMeshes = reader.ReadUInt32();
logger.Info("Wad static meshes: " + numStaticMeshes);
for (var i = 0; i < numStaticMeshes; i++)
{
var staticMesh = new wad_static_mesh();
staticMesh.ObjectId = reader.ReadUInt32();
staticMesh.PointersIndex = reader.ReadUInt16();
staticMesh.VisibilityX1 = reader.ReadInt16();
staticMesh.VisibilityX2 = reader.ReadInt16();
staticMesh.VisibilityY1 = reader.ReadInt16();
staticMesh.VisibilityY2 = reader.ReadInt16();
staticMesh.VisibilityZ1 = reader.ReadInt16();
staticMesh.VisibilityZ2 = reader.ReadInt16();
staticMesh.CollisionX1 = reader.ReadInt16();
staticMesh.CollisionX2 = reader.ReadInt16();
staticMesh.CollisionY1 = reader.ReadInt16();
staticMesh.CollisionY2 = reader.ReadInt16();
staticMesh.CollisionZ1 = reader.ReadInt16();
staticMesh.CollisionZ2 = reader.ReadInt16();
staticMesh.Flags = reader.ReadUInt16();
Statics.Add(staticMesh);
}
reader.Close();
logger.Info("Wad loaded successfully.");
}
// Read sprites
logger.Info("Reading sprites (swd file) associated with wad.");
using (var readerSprites = new BinaryReaderEx(new FileStream(BasePath + Path.DirectorySeparatorChar + BaseName + ".swd",
FileMode.Open, FileAccess.Read, FileShare.Read)))
{
// Version
readerSprites.ReadUInt32();
var numSpritesTextures = readerSprites.ReadUInt32();
logger.Info("Sprites: " + numSpritesTextures);
//Sprite texture array
for (var i = 0; i < numSpritesTextures; i++)
{
var buffer = readerSprites.ReadBytes(16);
var spriteTexture = new wad_sprite_texture
{
Tile = buffer[2],
X = buffer[0],
Y = buffer[1],
Width = buffer[5],
Height = buffer[7],
LeftSide = buffer[0],
TopSide = buffer[1],
RightSide = (short)(buffer[0] + buffer[5] + 1),
BottomSide = (short)(buffer[1] + buffer[7] + 1)
};
SpriteTextures.Add(spriteTexture);
}
// Sprites size
var spriteDataSize = readerSprites.ReadInt32();
SpriteData = readerSprites.ReadBytes(spriteDataSize);
var numSequences = readerSprites.ReadUInt32();
logger.Info("Sprite sequences: " + numSequences);
// Sprite sequences
for (var i = 0; i < numSequences; i++)
{
var sequence = new wad_sprite_sequence();
sequence.ObjectID = readerSprites.ReadInt32();
sequence.NegativeLength = readerSprites.ReadInt16();
sequence.Offset = readerSprites.ReadInt16();
SpriteSequences.Add(sequence);
}
}
// Read WAS
using (var reader = new StreamReader(File.OpenRead(BasePath + Path.DirectorySeparatorChar + BaseName + ".was")))
{
while (!reader.EndOfStream)
{
LegacyNames.Add(reader.ReadLine().Split(':')[0].Replace(" ", "").Replace("EXTRA0", "EXTRA"));
}
}
}
private static TextureArea CalculateTr4UVCoordinates(Wad2 wad, Tr4Wad oldWad, wad_polygon poly, Dictionary <int, WadTexture> textures)
{
TextureArea textureArea = new TextureArea();
textureArea.BlendMode = (poly.Attributes & 0x01) != 0 ? BlendMode.Additive : BlendMode.Normal;
textureArea.DoubleSided = false;
int textureId = GetTr4TextureIdFromPolygon(poly);
textureArea.Texture = textures[textureId];
// Add the UV coordinates
int shape = (poly.Texture & 0x7000) >> 12;
int flipped = (poly.Texture & 0x8000) >> 15;
wad_object_texture texture = oldWad.Textures[textureId];
Vector2 nw = new Vector2(0, 0);
Vector2 ne = new Vector2(texture.Width + 1.0f, 0);
Vector2 se = new Vector2(texture.Width + 1.0f, texture.Height + 1.0f);
Vector2 sw = new Vector2(0, texture.Height + 1.0f);
if (poly.Shape == 9)
{
if (flipped == 1)
{
textureArea.TexCoord0 = ne;
textureArea.TexCoord1 = nw;
textureArea.TexCoord2 = sw;
textureArea.TexCoord3 = se;
}
else
{
textureArea.TexCoord0 = nw;
textureArea.TexCoord1 = ne;
textureArea.TexCoord2 = se;
textureArea.TexCoord3 = sw;
}
}
else
{
switch (shape)
{
case 0:
if (flipped == 1)
{
textureArea.TexCoord0 = ne;
textureArea.TexCoord1 = nw;
textureArea.TexCoord2 = se;
textureArea.TexCoord3 = textureArea.TexCoord2;
}
else
{
textureArea.TexCoord0 = nw;
textureArea.TexCoord1 = ne;
textureArea.TexCoord2 = sw;
textureArea.TexCoord3 = textureArea.TexCoord2;
}
break;
case 2:
if (flipped == 1)
{
textureArea.TexCoord0 = nw;
textureArea.TexCoord1 = sw;
textureArea.TexCoord2 = ne;
textureArea.TexCoord3 = textureArea.TexCoord2;
}
else
{
textureArea.TexCoord0 = ne;
textureArea.TexCoord1 = se;
textureArea.TexCoord2 = nw;
textureArea.TexCoord3 = textureArea.TexCoord2;
}
break;
case 4:
if (flipped == 1)
{
textureArea.TexCoord0 = sw;
textureArea.TexCoord1 = se;
textureArea.TexCoord2 = nw;
textureArea.TexCoord3 = textureArea.TexCoord2;
}
else
{
textureArea.TexCoord0 = se;
textureArea.TexCoord1 = sw;
textureArea.TexCoord2 = ne;
textureArea.TexCoord3 = textureArea.TexCoord2;
}
break;
case 6:
if (flipped == 1)
{
textureArea.TexCoord0 = se;
textureArea.TexCoord1 = ne;
textureArea.TexCoord2 = sw;
textureArea.TexCoord3 = textureArea.TexCoord2;
}
else
{
textureArea.TexCoord0 = sw;
textureArea.TexCoord1 = nw;
textureArea.TexCoord2 = se;
textureArea.TexCoord3 = textureArea.TexCoord2;
}
break;
default:
throw new NotImplementedException("Unknown texture shape " + shape + " found in the wad.");
}
}
return(textureArea);
}
