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Added navmesh exporting

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This commit is contained in:
jracek
2025-04-03 21:42:26 +02:00
parent fa747ad786
commit 9037937d3c
7 changed files with 142 additions and 14 deletions
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62
Runtime/PSXNavMesh.cs Normal file
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@@ -0,0 +1,62 @@
using UnityEngine;
using Unity.AI.Navigation;
using UnityEngine.AI;
using System.Collections.Generic;
namespace SplashEdit.RuntimeCode
{
public struct PSXNavMeshTri
{
public PSXNavmeshVertex v0, v1, v2;
}
public struct PSXNavmeshVertex
{
public short vx, vy, vz;
}
[RequireComponent(typeof(NavMeshSurface))]
public class PSXNavMesh : MonoBehaviour
{
[HideInInspector]
public List<PSXNavMeshTri> Navmesh { get; set; }
public void CreateNavmesh(float GTEScaling)
{
Navmesh = new List<PSXNavMeshTri>();
NavMeshSurface navMeshSurface = GetComponent<NavMeshSurface>();
navMeshSurface.BuildNavMesh();
NavMeshTriangulation triangulation = NavMesh.CalculateTriangulation();
int[] triangles = triangulation.indices;
Vector3[] vertices = triangulation.vertices;
for (int i = 0; i < triangles.Length; i += 3)
{
int vid0 = triangles[i];
int vid1 = triangles[i + 1];
int vid2 = triangles[i + 2];
PSXNavMeshTri tri = new PSXNavMeshTri();
tri.v0.vx = PSXTrig.ConvertCoordinateToPSX(vertices[vid0].x, GTEScaling);
tri.v0.vy = PSXTrig.ConvertCoordinateToPSX(-vertices[vid0].y, GTEScaling);
tri.v0.vz = PSXTrig.ConvertCoordinateToPSX(vertices[vid0].z, GTEScaling);
tri.v1.vx = PSXTrig.ConvertCoordinateToPSX(vertices[vid1].x, GTEScaling);
tri.v1.vy = PSXTrig.ConvertCoordinateToPSX(-vertices[vid1].y, GTEScaling);
tri.v1.vz = PSXTrig.ConvertCoordinateToPSX(vertices[vid1].z, GTEScaling);
tri.v2.vx = PSXTrig.ConvertCoordinateToPSX(vertices[vid2].x, GTEScaling);
tri.v2.vy = PSXTrig.ConvertCoordinateToPSX(-vertices[vid2].y, GTEScaling);
tri.v2.vz = PSXTrig.ConvertCoordinateToPSX(vertices[vid2].z, GTEScaling);
Navmesh.Add(tri);
}
}
}
}

2
Runtime/PSXNavMesh.cs.meta Normal file
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@@ -0,0 +1,2 @@
fileFormatVersion: 2
guid: 6a2f8d45e1591de1e945b3b7bdfb123b

72
Runtime/PSXSceneExporter.cs
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@@ -4,6 +4,7 @@ using System.IO;
using System.Linq;
using UnityEditor;
using UnityEngine;
using UnityEngine.AI;
namespace SplashEdit.RuntimeCode
{
@@ -16,6 +17,7 @@ namespace SplashEdit.RuntimeCode
private PSXObjectExporter[] _exporters;
private TextureAtlas[] _atlases;
private PSXNavMesh[] _navmeshes;
private PSXData _psxData;
@@ -34,6 +36,13 @@ namespace SplashEdit.RuntimeCode
exp.CreatePSXTextures2D();
exp.CreatePSXMesh(GTEScaling);
}
_navmeshes = FindObjectsByType<PSXNavMesh>(FindObjectsSortMode.None);
foreach (PSXNavMesh navmesh in _navmeshes)
{
navmesh.CreateNavmesh(GTEScaling);
}
PackTextures();
ExportFile();
}
@@ -73,6 +82,10 @@ namespace SplashEdit.RuntimeCode
List<long> clutOffsetPlaceholderPositions = new List<long>();
List<long> clutDataOffsets = new List<long>();
// Lists for navmesh data offsets.
List<long> navmeshOffsetPlaceholderPositions = new List<long>();
List<long> navmeshDataOffsets = new List<long>();
int clutCount = 0;
// Cluts
@@ -94,9 +107,10 @@ namespace SplashEdit.RuntimeCode
writer.Write('P'); // 1 byte
writer.Write((ushort)1); // 2 bytes - version
writer.Write((ushort)_exporters.Length); // 2 bytes
writer.Write((ushort)_navmeshes.Length);
writer.Write((ushort)_atlases.Length); // 2 bytes
writer.Write((ushort)clutCount); // 2 bytes
for (int i = 0; i < 3; i++) writer.Write((ushort)0);
for (int i = 0; i < 2; i++) writer.Write((ushort)0);
// GameObject section (exporters)
foreach (PSXObjectExporter exporter in _exporters)
@@ -122,7 +136,18 @@ namespace SplashEdit.RuntimeCode
writer.Write((int)rotationMatrix[2, 2]);
writer.Write((ushort)exporter.Mesh.Triangles.Count);
writer.Write((ushort) 0);
writer.Write((ushort)0);
}
// Navmesh metadata section
foreach (PSXNavMesh navmesh in _navmeshes)
{
// Write placeholder for navmesh raw data offset.
navmeshOffsetPlaceholderPositions.Add(writer.BaseStream.Position);
writer.Write((int)0); // 4-byte placeholder for navmesh data offset.
writer.Write((ushort)navmesh.Navmesh.Count);
writer.Write((ushort)0);
}
// Atlas metadata section
@@ -150,7 +175,7 @@ namespace SplashEdit.RuntimeCode
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
writer.Write((ushort)0); // 2 bytes
}
}
}
@@ -228,6 +253,27 @@ namespace SplashEdit.RuntimeCode
}
}
foreach (PSXNavMesh navmesh in _navmeshes) {
AlignToFourBytes(writer);
long navmeshDataOffset = writer.BaseStream.Position;
navmeshDataOffsets.Add(navmeshDataOffset);
foreach(PSXNavMeshTri tri in navmesh.Navmesh) {
writer.Write((ushort) tri.v0.vx);
writer.Write((ushort) tri.v0.vy);
writer.Write((ushort) tri.v0.vz);
writer.Write((ushort) tri.v1.vx);
writer.Write((ushort) tri.v1.vy);
writer.Write((ushort) tri.v1.vz);
writer.Write((ushort) tri.v2.vx);
writer.Write((ushort) tri.v2.vy);
writer.Write((ushort) tri.v2.vz);
}
}
// Atlas data section: Write raw texture data for each atlas.
foreach (TextureAtlas atlas in _atlases)
{
@@ -257,8 +303,9 @@ namespace SplashEdit.RuntimeCode
long clutDataOffset = writer.BaseStream.Position;
clutDataOffsets.Add(clutDataOffset);
foreach(VRAMPixel color in texture.ColorPalette) {
writer.Write((ushort) color.Pack());
foreach (VRAMPixel color in texture.ColorPalette)
{
writer.Write((ushort)color.Pack());
}
}
}
@@ -279,6 +326,21 @@ namespace SplashEdit.RuntimeCode
Debug.LogError("Mismatch between metadata mesh offset placeholders and mesh data blocks!");
}
// Backfill the navmesh offsets into the metadata section.
if (navmeshOffsetPlaceholderPositions.Count == navmeshDataOffsets.Count)
{
for (int i = 0; i < navmeshOffsetPlaceholderPositions.Count; i++)
{
writer.Seek((int)navmeshOffsetPlaceholderPositions[i], SeekOrigin.Begin);
writer.Write((int)navmeshDataOffsets[i]);
}
}
else
{
Debug.LogError("Mismatch between metadata mesh offset placeholders and mesh data blocks!");
}
// Backfill the atlas data offsets into the metadata section.
if (atlasOffsetPlaceholderPositions.Count == atlasDataOffsets.Count)
{

2
Runtime/Utils.cs
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@@ -1,7 +1,5 @@
using System.Runtime.InteropServices;
using UnityEditor;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
namespace SplashEdit.RuntimeCode

4
Runtime/net.psxsplash.splashedit.Runtime.asmdef
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@@ -1,7 +1,9 @@
{
"name": "net.psxsplash.splashedit.Runtime",
"rootNamespace": "",
"references": [],
"references": [
"GUID:8c4dd21966739024fbd72155091d199e"
],
"includePlatforms": [],
"excludePlatforms": [],
"allowUnsafeCode": false,

14
package.json
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@@ -1,8 +1,10 @@
{
"name": "net.psxsplash.splashedit",
"version": "1.0.0",
"displayName": "Splashedit",
"description": "A toolkit for PSX asset management within Unity",
"unity": "6000.0"
"name": "net.psxsplash.splashedit",
"version": "1.0.0",
"displayName": "Splashedit",
"description": "A toolkit for PSX asset management within Unity",
"unity": "6000.0",
"dependencies": {
"com.unity.ai.navigation": "2.0.6"
}
}

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tools/imhex.hexproj
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