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Auto-calculate drawables blocks size fields

Browse Source 
`ShaderGroup.ShaderGroupBlocksSize` (aka `Unknown_30h`) contains the byte size divided by 16 of the ShaderGroup block and its children blocks, when they are packed contiguously in the resource file.

`DrawableBase.DrawableModelsBlocksSize` (aka `Unknown_9Ah`) is similar but with the size of the `DrawableModelsBlock`.

Incorrect values can cause crashes when the model is unloaded.

Discussed here https://discord.com/channels/329138547833700352/329142468102586368/1139264754767122533
This commit is contained in:
alexguirre 2023-08-11 19:30:23 +02:00
parent 9d76f2c6c4
commit 1dd9bc34a2
2 changed files with 12 additions and 133 deletions
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143
CodeWalker.Core/GameFiles/Resources/Drawable.cs
View File

@ -27,7 +27,7 @@ namespace CodeWalker.GameFiles
public uint Unknown_1Ch; // 0x00000000
public ulong Unknown_20h; // 0x0000000000000000
public ulong Unknown_28h; // 0x0000000000000000
public uint Unknown_30h { get; set; }//wtf is this?? (shadercount-1)*3+8 ..?
public uint ShaderGroupBlocksSize { get; set; } // divided by 16
public uint Unknown_34h; // 0x00000000
public ulong Unknown_38h; // 0x0000000000000000
@ -65,7 +65,7 @@ namespace CodeWalker.GameFiles
this.Unknown_1Ch = reader.ReadUInt32();
this.Unknown_20h = reader.ReadUInt64();
this.Unknown_28h = reader.ReadUInt64();
this.Unknown_30h = reader.ReadUInt32();
this.ShaderGroupBlocksSize = reader.ReadUInt32();
this.Unknown_34h = reader.ReadUInt32();
this.Unknown_38h = reader.ReadUInt64();
@ -78,78 +78,6 @@ namespace CodeWalker.GameFiles
this.ShadersCount1
);
// wtf is Unknown_30h ???
//switch (ShadersCount1)
//{
// case 1: if ((Unknown_30h != 8) && (Unknown_30h != 25))
// { }
// break;
// case 2: if ((Unknown_30h != 11) && (Unknown_30h != 61) && (Unknown_30h != 50) && (Unknown_30h != 51))
// { }
// break;
// case 3: if ((Unknown_30h != 15) && (Unknown_30h != 78))
// { }
// break;
// case 4: if ((Unknown_30h != 18) && (Unknown_30h != 108))
// { }
// break;
// case 5: if ((Unknown_30h != 22) && (Unknown_30h != 135) && (Unknown_30h != 137))
// { }
// break;
// case 6: if (Unknown_30h != 25)
// { }
// break;
// case 7: if (Unknown_30h != 29)
// { }
// break;
// case 8: if (Unknown_30h != 32)
// { }
// break;
// case 9: if (Unknown_30h != 36)
// { }
// break;
// case 10: if (Unknown_30h != 39)
// { }
// break;
// case 11: if (Unknown_30h != 43)
// { }
// break;
// case 12: if (Unknown_30h != 46)
// { }
// break;
// case 13: if (Unknown_30h != 50)
// { }
// break;
// case 14: if (Unknown_30h != 53)
// { }
// break;
// case 15: if (Unknown_30h != 57)
// { }
// break;
// case 16: if (Unknown_30h != 60)
// { }
// break;
// case 17: if (Unknown_30h != 64)
// { }
// break;
// case 18: if (Unknown_30h != 67)
// { }
// break;
// case 19: if (Unknown_30h != 71)
// { }
// break;
// case 20: if (Unknown_30h != 74)
// { }
// break;
// default:
// break;
//}
//var cnt = 8 + ((ShadersCount1 > 0) ? ShadersCount1-1 : 0) * 3;
//if (cnt != Unknown_30h)
//{ }
//if (Unknown_4h != 1)
//{ }
//if (Unknown_1Ch != 0)
@ -170,6 +98,10 @@ namespace CodeWalker.GameFiles
this.ShadersPointer = (ulong)(this.Shaders != null ? this.Shaders.FilePosition : 0);
this.ShadersCount1 = (ushort)(this.Shaders != null ? this.Shaders.Count : 0);
this.ShadersCount2 = this.ShadersCount1;
// In vanilla files this includes the size of the Shaders array, ShaderFX blocks and, sometimes,
// ShaderParametersBlocks since they are placed contiguously after the ShaderGroup in the file.
// But CW doesn't always do this so we only include the ShaderGroup size.
this.ShaderGroupBlocksSize = (uint)this.BlockLength / 16;
// write structure data
writer.Write(this.VFT);
@ -181,13 +113,12 @@ namespace CodeWalker.GameFiles
writer.Write(this.Unknown_1Ch);
writer.Write(this.Unknown_20h);
writer.Write(this.Unknown_28h);
writer.Write(this.Unknown_30h);
writer.Write(this.ShaderGroupBlocksSize);
writer.Write(this.Unknown_34h);
writer.Write(this.Unknown_38h);
}
public void WriteXml(StringBuilder sb, int indent, string ddsfolder)
{
YdrXml.ValueTag(sb, indent, "Unknown30", Unknown_30h.ToString());
if (TextureDictionary != null)
{
TextureDictionary.WriteXmlNode(TextureDictionary, sb, indent, ddsfolder, "TextureDictionary");
@ -196,7 +127,6 @@ namespace CodeWalker.GameFiles
}
public void ReadXml(XmlNode node, string ddsfolder)
{
Unknown_30h = Xml.GetChildUIntAttribute(node, "Unknown30", "value");
var tnode = node.SelectSingleNode("TextureDictionary");
if (tnode != null)
{
@ -4816,7 +4746,7 @@ namespace CodeWalker.GameFiles
public uint RenderMaskFlagsVlow { get; set; }
public ulong JointsPointer { get; set; }
public ushort Unknown_98h { get; set; } // 0x0000
public ushort Unknown_9Ah { get; set; }
public ushort DrawableModelsBlocksSize { get; set; } // divided by 16
public uint Unknown_9Ch { get; set; } // 0x00000000
public ulong DrawableModelsPointer { get; set; }
@ -4925,7 +4855,7 @@ namespace CodeWalker.GameFiles
this.RenderMaskFlagsVlow = reader.ReadUInt32();
this.JointsPointer = reader.ReadUInt64();
this.Unknown_98h = reader.ReadUInt16();
this.Unknown_9Ah = reader.ReadUInt16();
this.DrawableModelsBlocksSize = reader.ReadUInt16();
this.Unknown_9Ch = reader.ReadUInt32();
this.DrawableModelsPointer = reader.ReadUInt64();
@ -5113,54 +5043,6 @@ namespace CodeWalker.GameFiles
// default:
// break;//no hit
//}
//switch (Unknown_9Ah)//wtf isthis? flags?
//{
// case 18:
// case 33:
// case 34:
// case 46:
// case 58:
// case 209:
// case 71:
// case 172:
// case 64:
// case 122:
// case 96:
// case 248:
// case 147:
// case 51:
// case 159:
// case 134:
// case 108:
// case 83:
// case 336:
// case 450:
// case 197:
// case 374:
// case 184:
// case 310:
// case 36:
// case 386:
// case 285:
// case 260:
// case 77:
// case 361:
// case 235:
// case 91:
// case 223:
// case 1207:
// case 2090:
// case 45:
// case 52:
// case 526:
// case 3081:
// case 294:
// case 236:
// case 156:
// break;
// default://still lots more..
// break;
//}
}
public override void Write(ResourceDataWriter writer, params object[] parameters)
@ -5176,6 +5058,7 @@ namespace CodeWalker.GameFiles
this.DrawableModelsVeryLowPointer = (ulong)(DrawableModels?.GetVLowPointer() ?? 0);
this.JointsPointer = (ulong)(this.Joints != null ? this.Joints.FilePosition : 0);
this.DrawableModelsPointer = (ulong)(DrawableModels?.FilePosition ?? 0);
this.DrawableModelsBlocksSize = (ushort)Math.Ceiling((DrawableModels?.BlockLength ?? 0) / 16.0);
// write structure data
writer.Write(this.ShaderGroupPointer);
@ -5200,7 +5083,7 @@ namespace CodeWalker.GameFiles
writer.Write(this.RenderMaskFlagsVlow);
writer.Write(this.JointsPointer);
writer.Write(this.Unknown_98h);
writer.Write(this.Unknown_9Ah);
writer.Write(this.DrawableModelsBlocksSize);
writer.Write(this.Unknown_9Ch);
writer.Write(this.DrawableModelsPointer);
}
@ -5218,7 +5101,6 @@ namespace CodeWalker.GameFiles
YdrXml.ValueTag(sb, indent, "FlagsMed", FlagsMed.ToString());
YdrXml.ValueTag(sb, indent, "FlagsLow", FlagsLow.ToString());
YdrXml.ValueTag(sb, indent, "FlagsVlow", FlagsVlow.ToString());
YdrXml.ValueTag(sb, indent, "Unknown9A", Unknown_9Ah.ToString());
if (ShaderGroup != null)
{
YdrXml.OpenTag(sb, indent, "ShaderGroup");
@ -5272,7 +5154,6 @@ namespace CodeWalker.GameFiles
FlagsMed = (byte)Xml.GetChildUIntAttribute(node, "FlagsMed", "value");
FlagsLow = (byte)Xml.GetChildUIntAttribute(node, "FlagsLow", "value");
FlagsVlow = (byte)Xml.GetChildUIntAttribute(node, "FlagsVlow", "value");
Unknown_9Ah = (ushort)Xml.GetChildUIntAttribute(node, "Unknown9A", "value");
var sgnode = node.SelectSingleNode("ShaderGroup");
if (sgnode != null)
{
@ -5468,7 +5349,7 @@ namespace CodeWalker.GameFiles
r.RenderMaskFlagsLow = RenderMaskFlagsLow;
r.RenderMaskFlagsVlow = RenderMaskFlagsVlow;
r.Unknown_98h = Unknown_98h;
r.Unknown_9Ah = Unknown_9Ah;
r.DrawableModelsBlocksSize = DrawableModelsBlocksSize;
r.ShaderGroup = ShaderGroup;
r.Skeleton = Skeleton?.Clone();
r.DrawableModels = new DrawableModelsBlock();

2
CodeWalker.Core/Utils/FbxConverter.cs
View File

@ -150,7 +150,6 @@ namespace CodeWalker
sgrp.ShadersCount2 = (ushort)slist.Count;
sgrp.VFT = 1080113376;//is this needed?
sgrp.Unknown_4h = 1;
sgrp.Unknown_30h = (uint)(8 + slist.Count*3);//WTF is this?
var d = new Drawable();
@ -164,7 +163,6 @@ namespace CodeWalker
d.LodDistMed = 9998;
d.LodDistLow = 9998;
d.LodDistVlow = 9998;
d.Unknown_9Ah = 33;//WTF is this???
d.FileVFT = 1079446584;
d.FileUnknown = 1;
d.DrawableModels = new DrawableModelsBlock();