UltimateZoneBuilder/Source/Core/GZBuilder/GZDoom/ModeldefStructure.cs

492 lines
14 KiB
C#

#region ================== Namespaces
using System;
using System.IO;
using System.Globalization;
using SlimDX;
using CodeImp.DoomBuilder.GZBuilder.Data;
using CodeImp.DoomBuilder.Geometry;
#endregion
namespace CodeImp.DoomBuilder.GZBuilder.GZDoom
{
internal sealed class ModeldefStructure
{
private const int MAX_MODELS = 4; //maximum models per modeldef entry, zero-based
private bool parsingfinished;
internal ModelData ModelData;
internal bool ParsingFinished { get { return parsingfinished; } }
internal bool Parse(ModeldefParser parser, string classname)
{
#region ================== Vars
string[] textureNames = new string[MAX_MODELS];
string[] modelNames = new string[MAX_MODELS];
string[] frameNames = new string[MAX_MODELS];
int[] frameIndices = new int[MAX_MODELS];
bool[] modelsUsed = new bool[MAX_MODELS];
string path = "";
Vector3 scale = new Vector3(1, 1, 1);
Vector3 offset = new Vector3();
float angleOffset = 0;
float pitchOffset = 0;
float rollOffset = 0;
bool inheritactorpitch = false;
bool inheritactorroll = false;
string token;
#endregion
//read modeldef structure contents
parsingfinished = false;
while(!parsingfinished && parser.SkipWhitespace(true))
{
token = parser.ReadToken();
if(!string.IsNullOrEmpty(token))
{
token = parser.StripTokenQuotes(token).ToLowerInvariant(); //ANYTHING can be quoted...
switch(token)
{
#region ================== Path
case "path":
parser.SkipWhitespace(true);
path = parser.StripTokenQuotes(parser.ReadToken(false)).Replace("/", "\\"); // Don't skip newline
if(string.IsNullOrEmpty(path))
{
parser.ReportError("Expected model path, but got '" + token + "'");
return false;
}
break;
#endregion
#region ================== Model
case "model":
parser.SkipWhitespace(true);
//model index
int index;
token = parser.StripTokenQuotes(parser.ReadToken());
if(!int.TryParse(token, NumberStyles.Integer, CultureInfo.InvariantCulture, out index))
{
// Not numeric!
parser.ReportError("Expected model index, but got '" + token + "'");
return false;
}
if(index >= MAX_MODELS)
{
parser.ReportError("GZDoom doesn't allow more than " + MAX_MODELS + " models per MODELDEF entry");
return false;
}
parser.SkipWhitespace(true);
//model path
token = parser.StripTokenQuotes(parser.ReadToken(false)).ToLowerInvariant(); // Don't skip newline
if(string.IsNullOrEmpty(token))
{
parser.ReportError("Expected model name");
return false;
}
//check invalid path chars
if(!parser.CheckInvalidPathChars(token)) return false;
//check extension
string modelext = Path.GetExtension(token);
if(string.IsNullOrEmpty(modelext))
{
parser.ReportError("Model '" + token + "' won't be loaded. Models without extension are not supported by GZDoom");
return false;
}
if(modelext != ".md3" && modelext != ".md2")
{
parser.ReportError("Model '" + token + "' won't be loaded. Only MD2 and MD3 models are supported");
return false;
}
//GZDoom allows models with identical modelIndex, it uses the last one encountered
modelNames[index] = Path.Combine(path, token);
break;
#endregion
#region ================== Skin
case "skin":
parser.SkipWhitespace(true);
//skin index
int skinIndex;
token = parser.StripTokenQuotes(parser.ReadToken());
if(!int.TryParse(token, NumberStyles.Integer, CultureInfo.InvariantCulture, out skinIndex))
{
// Not numeric!
parser.ReportError("Expected skin index, but got '" + token + "'");
return false;
}
if(skinIndex >= MAX_MODELS)
{
parser.ReportError("GZDoom doesn't allow more than " + MAX_MODELS + " skins per MODELDEF entry");
return false;
}
parser.SkipWhitespace(true);
//skin path
token = parser.StripTokenQuotes(parser.ReadToken(false)).ToLowerInvariant(); // Don't skip newline
if(string.IsNullOrEmpty(token))
{
parser.ReportError("Skin path required");
return false;
}
//check invalid path chars
if(!parser.CheckInvalidPathChars(token)) return false;
//check extension
string texext = Path.GetExtension(token);
if(Array.IndexOf(ModelData.SUPPORTED_TEXTURE_EXTENSIONS, texext) == -1)
{
parser.ReportError("Image format '" + texext + "' is not supported");
return false;
}
//GZDoom allows skins with identical modelIndex, it uses the last one encountered
textureNames[skinIndex] = Path.Combine(path, token);
break;
#endregion
#region ================== Scale
case "scale":
parser.SkipWhitespace(true);
token = parser.StripTokenQuotes(parser.ReadToken());
if(!parser.ReadSignedFloat(token, ref scale.Y))
{
// Not numeric!
parser.ReportError("Expected Scale X value, but got '" + token + "'");
return false;
}
parser.SkipWhitespace(true);
token = parser.StripTokenQuotes(parser.ReadToken());
if(!parser.ReadSignedFloat(token, ref scale.X))
{
// Not numeric!
parser.ReportError("Expected Scale Y value, but got '" + token + "'");
return false;
}
parser.SkipWhitespace(true);
token = parser.StripTokenQuotes(parser.ReadToken());
if(!parser.ReadSignedFloat(token, ref scale.Z))
{
// Not numeric!
parser.ReportError("Expected Scale Z value, but got '" + token + "'");
return false;
}
break;
#endregion
#region ================== Offset
case "offset":
parser.SkipWhitespace(true);
token = parser.StripTokenQuotes(parser.ReadToken());
if(!parser.ReadSignedFloat(token, ref offset.X))
{
// Not numeric!
parser.ReportError("Expected Offset X value, but got '" + token + "'");
return false;
}
parser.SkipWhitespace(true);
token = parser.StripTokenQuotes(parser.ReadToken());
if(!parser.ReadSignedFloat(token, ref offset.Y))
{
// Not numeric!
parser.ReportError("Expected Offset Y value, but got '" + token + "'");
return false;
}
parser.SkipWhitespace(true);
token = parser.StripTokenQuotes(parser.ReadToken());
if(!parser.ReadSignedFloat(token, ref offset.Z))
{
// Not numeric!
parser.ReportError("Expected Offset Z value, but got '" + token + "'");
return false;
}
break;
#endregion
#region ================== ZOffset
case "zoffset":
parser.SkipWhitespace(true);
token = parser.StripTokenQuotes(parser.ReadToken());
if(!parser.ReadSignedFloat(token, ref offset.Z))
{
// Not numeric!
parser.ReportError("Expected ZOffset value, but got '" + token + "'");
return false;
}
break;
#endregion
#region ================== AngleOffset
case "angleoffset":
parser.SkipWhitespace(true);
token = parser.StripTokenQuotes(parser.ReadToken());
if(!parser.ReadSignedFloat(token, ref angleOffset))
{
// Not numeric!
parser.ReportError("Expected AngleOffset value, but got '" + token + "'");
return false;
}
break;
#endregion
#region ================== PitchOffset
case "pitchoffset":
parser.SkipWhitespace(true);
token = parser.StripTokenQuotes(parser.ReadToken());
if(!parser.ReadSignedFloat(token, ref pitchOffset))
{
// Not numeric!
parser.ReportError("Expected PitchOffset value, but got '" + token + "'");
return false;
}
break;
#endregion
#region ================== RollOffset
case "rolloffset":
parser.SkipWhitespace(true);
token = parser.StripTokenQuotes(parser.ReadToken());
if(!parser.ReadSignedFloat(token, ref rollOffset))
{
// Not numeric!
parser.ReportError("Expected RollOffset value, but got '" + token + "'");
return false;
}
break;
#endregion
#region ================== InheritActorPitch
case "inheritactorpitch":
inheritactorpitch = true;
break;
#endregion
#region ================== InheritActorRoll
case "inheritactorroll":
inheritactorroll = true;
break;
#endregion
#region ================== Frame / FrameIndex
case "frameindex":
case "frame":
//parsed all required fields. if got more than one model - find which one(s) should be displayed
if(modelNames.GetLength(0) > 1)
{
string spriteLump = null;
string spriteFrame = null;
//step back
parser.DataStream.Seek(-token.Length - 1, SeekOrigin.Current);
//here we check which models are used in first encountered lump and frame
while(parser.SkipWhitespace(true))
{
token = parser.StripTokenQuotes(parser.ReadToken()).ToLowerInvariant();
if(token == "frameindex" || token == "frame")
{
bool frameIndex = (token == "frameindex");
parser.SkipWhitespace(true);
//should be sprite lump
token = parser.StripTokenQuotes(parser.ReadToken()).ToLowerInvariant();
if(string.IsNullOrEmpty(spriteLump))
{
spriteLump = token;
}
else if(spriteLump != token) //got another lump
{
for(int i = 0; i < modelsUsed.Length; i++)
{
if(!modelsUsed[i])
{
modelNames[i] = null;
textureNames[i] = null;
}
}
break;
}
parser.SkipWhitespace(true);
//should be sprite frame
token = parser.StripTokenQuotes(parser.ReadToken()).ToLowerInvariant();
if(string.IsNullOrEmpty(spriteFrame))
{
spriteFrame = token;
}
else if(spriteFrame != token) //got another frame
{
for(int i = 0; i < modelsUsed.Length; i++)
{
if(!modelsUsed[i])
{
modelNames[i] = null;
textureNames[i] = null;
}
}
break;
}
parser.SkipWhitespace(true);
//should be model index
token = parser.StripTokenQuotes(parser.ReadToken());
int modelIndex;
if(!int.TryParse(token, NumberStyles.Integer, CultureInfo.InvariantCulture, out modelIndex))
{
// Not numeric!
parser.ReportError("Expected model index, but got '" + token + "'");
return false;
}
if(modelIndex >= MAX_MODELS)
{
parser.ReportError("GZDoom doesn't allow more than " + MAX_MODELS + " models per MODELDEF entry");
return false;
}
if(modelNames[modelIndex] == null)
{
parser.ReportError("Model index doesn't correspond to any defined model");
return false;
}
modelsUsed[modelIndex] = true;
parser.SkipWhitespace(true);
// Should be frame name or index
token = parser.StripTokenQuotes(parser.ReadToken());
if(frameIndex)
{
int frame = 0;
if(!parser.ReadSignedInt(token, ref frame))
{
// Not numeric!
parser.ReportError("Expected model frame index, but got '" + token + "'");
return false;
}
// Skip the model if frame index is -1
if(frame == -1) modelsUsed[modelIndex] = false;
else frameIndices[modelIndex] = frame;
}
else
{
if(string.IsNullOrEmpty(token))
{
// Missing!
parser.ReportError("Expected model frame name");
return false;
}
frameNames[modelIndex] = token.ToLowerInvariant();
}
}
else
{
//must be "}", step back
parser.DataStream.Seek(-token.Length - 1, SeekOrigin.Current);
break;
}
}
}
parsingfinished = true;
break;
#endregion
}
}
}
// Find closing brace, then quit
while(parser.SkipWhitespace(true))
{
token = parser.ReadToken();
if(string.IsNullOrEmpty(token) || token == "}") break;
}
// Bail out when got errors or no models are used
if(Array.IndexOf(modelsUsed, true) == -1)
{
parser.ReportError("No models are used by '" + classname + "'");
return false;
}
// Classname is set in ModeldefParser
ModelData = new ModelData();
ModelData.InheritActorPitch = inheritactorpitch;
ModelData.InheritActorRoll = inheritactorroll;
Matrix moffset = Matrix.Translation(offset.Y, -offset.X, offset.Z); // Things are complicated in GZDoom...
Matrix mrotation = Matrix.RotationY(-Angle2D.DegToRad(rollOffset)) * Matrix.RotationX(-Angle2D.DegToRad(pitchOffset)) * Matrix.RotationZ(Angle2D.DegToRad(angleOffset));
ModelData.SetTransform(mrotation, moffset, scale);
for(int i = 0; i < modelNames.Length; i++)
{
if(!string.IsNullOrEmpty(modelNames[i]) && modelsUsed[i])
{
ModelData.TextureNames.Add(string.IsNullOrEmpty(textureNames[i]) ? string.Empty : textureNames[i].ToLowerInvariant());
ModelData.ModelNames.Add(modelNames[i].ToLowerInvariant());
ModelData.FrameNames.Add(frameNames[i]);
ModelData.FrameIndices.Add(frameIndices[i]);
}
}
if(ModelData.ModelNames.Count == 0)
{
parser.ReportError("'" + classname + "' has no models");
return false;
}
return true;
}
}
}