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Updated Splashpack structure, added imhex project

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jracek
2025-04-03 17:52:14 +02:00
parent 6c1a0854c7
commit fa747ad786
5 changed files with 115 additions and 60 deletions
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94
Runtime/PSXSceneExporter.cs
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@@ -62,13 +62,17 @@ namespace SplashEdit.RuntimeCode
int totalFaces = 0;
// Lists for mesh data offsets.
List<long> offsetPlaceholderPositions = new List<long>();
List<long> meshOffsetPlaceholderPositions = new List<long>();
List<long> meshDataOffsets = new List<long>();
// Lists for atlas data offsets.
List<long> atlasOffsetPlaceholderPositions = new List<long>();
List<long> atlasDataOffsets = new List<long>();
// Lists for clut data offsets.
List<long> clutOffsetPlaceholderPositions = new List<long>();
List<long> clutDataOffsets = new List<long>();
int clutCount = 0;
// Cluts
@@ -86,18 +90,21 @@ namespace SplashEdit.RuntimeCode
using (BinaryWriter writer = new BinaryWriter(File.Open(path, FileMode.Create)))
{
// Header
writer.Write('S');
writer.Write('P');
writer.Write((ushort)1);
writer.Write((ushort)_exporters.Length);
writer.Write((ushort)_atlases.Length);
writer.Write((ushort)clutCount);
writer.Write((ushort)0);
// Start of Metadata section
writer.Write('S'); // 1 byte
writer.Write('P'); // 1 byte
writer.Write((ushort)1); // 2 bytes - version
writer.Write((ushort)_exporters.Length); // 2 bytes
writer.Write((ushort)_atlases.Length); // 2 bytes
writer.Write((ushort)clutCount); // 2 bytes
for (int i = 0; i < 3; i++) writer.Write((ushort)0);
// GameObject section (exporters)
foreach (PSXObjectExporter exporter in _exporters)
{
// Write placeholder for mesh data offset and record its position.
meshOffsetPlaceholderPositions.Add(writer.BaseStream.Position);
writer.Write((int)0); // 4-byte placeholder for mesh data offset.
// Write object's transform
writer.Write((int)PSXTrig.ConvertCoordinateToPSX(exporter.transform.localToWorldMatrix.GetPosition().x, GTEScaling));
writer.Write((int)PSXTrig.ConvertCoordinateToPSX(-exporter.transform.localToWorldMatrix.GetPosition().y, GTEScaling));
@@ -114,12 +121,8 @@ namespace SplashEdit.RuntimeCode
writer.Write((int)rotationMatrix[2, 1]);
writer.Write((int)rotationMatrix[2, 2]);
// Write placeholder for mesh data offset and record its position.
offsetPlaceholderPositions.Add(writer.BaseStream.Position);
writer.Write((int)0); // 4-byte placeholder for mesh data offset.
writer.Write((int)exporter.Mesh.Triangles.Count);
writer.Write((ushort)exporter.Mesh.Triangles.Count);
writer.Write((ushort) 0);
}
// Atlas metadata section
@@ -142,18 +145,12 @@ namespace SplashEdit.RuntimeCode
{
if (texture.ColorPalette != null)
{
foreach (VRAMPixel clutPixel in texture.ColorPalette)
{
writer.Write((ushort)clutPixel.Pack());
}
for (int i = texture.ColorPalette.Count; i < 256; i++)
{
writer.Write((ushort)0);
}
writer.Write((ushort)texture.ClutPackingX);
writer.Write((ushort)texture.ClutPackingY);
writer.Write((ushort)texture.ColorPalette.Count);
writer.Write((ushort)0);
clutOffsetPlaceholderPositions.Add(writer.BaseStream.Position);
writer.Write((int)0); // 4-byte placeholder for clut data offset.
writer.Write((ushort)texture.ClutPackingX); // 2 bytes
writer.Write((ushort)texture.ClutPackingY); // 2 bytes
writer.Write((ushort)texture.ColorPalette.Count); // 2 bytes
writer.Write((ushort) 0); // 2 bytes
}
}
}
@@ -189,7 +186,7 @@ namespace SplashEdit.RuntimeCode
writer.Write((byte)v.b);
writer.Write((byte)0); // padding
}
void writeVertexUV(PSXVertex v, PSXTexture2D t ,int expander)
void writeVertexUV(PSXVertex v, PSXTexture2D t, int expander)
{
writer.Write((byte)(v.u + t.PackingX * expander));
writer.Write((byte)(v.v + t.PackingY));
@@ -249,12 +246,31 @@ namespace SplashEdit.RuntimeCode
}
}
// Backfill the mesh data offsets into the metadata section.
if (offsetPlaceholderPositions.Count == meshDataOffsets.Count)
// Clut data section
foreach (TextureAtlas atlas in _atlases)
{
for (int i = 0; i < offsetPlaceholderPositions.Count; i++)
foreach (var texture in atlas.ContainedTextures)
{
writer.Seek((int)offsetPlaceholderPositions[i], SeekOrigin.Begin);
if (texture.ColorPalette != null)
{
AlignToFourBytes(writer);
long clutDataOffset = writer.BaseStream.Position;
clutDataOffsets.Add(clutDataOffset);
foreach(VRAMPixel color in texture.ColorPalette) {
writer.Write((ushort) color.Pack());
}
}
}
}
// Backfill the mesh data offsets into the metadata section.
if (meshOffsetPlaceholderPositions.Count == meshDataOffsets.Count)
{
for (int i = 0; i < meshOffsetPlaceholderPositions.Count; i++)
{
writer.Seek((int)meshOffsetPlaceholderPositions[i], SeekOrigin.Begin);
writer.Write((int)meshDataOffsets[i]);
}
}
@@ -276,6 +292,20 @@ namespace SplashEdit.RuntimeCode
{
Debug.LogError("Mismatch between atlas offset placeholders and atlas data blocks!");
}
// Backfill the clut data offsets into the metadata section.
if (clutOffsetPlaceholderPositions.Count == clutDataOffsets.Count)
{
for (int i = 0; i < clutOffsetPlaceholderPositions.Count; i++)
{
writer.Seek((int)clutOffsetPlaceholderPositions[i], SeekOrigin.Begin);
writer.Write((int)clutDataOffsets[i]);
}
}
else
{
Debug.LogError("Mismatch between clut offset placeholders and clut data blocks!");
}
}
Debug.Log(totalFaces);
}