Slightly handle unfound models

KeepersCompound.LGS/Database/Chunks/Property.cs

@@ -330,6 +330,112 @@ public class PropLight : Property
     }
 }
 
+public class PropAnimLight : Property
+{
+    public enum AnimMode
+    {
+        FlipMinMax,
+        SlideSmoothly,
+        Random,
+        MinBrightness,
+        MaxBrightness,
+        ZeroBrightness,
+        SmoothlyBrighten,
+        SmoothlyDim,
+        RandomButCoherent,
+        FlickerMinMax,
+    }
+
+    // Standard light props
+    public float Brightness;
+    public Vector3 Offset;
+    public float Radius;
+    public float InnerRadius;
+    public bool QuadLit;
+    public bool Dynamic;
+
+    // Animation
+    public AnimMode Mode;
+    public int MsToBrighten;
+    public int MsToDim;
+    public float MinBrightness;
+    public float MaxBrightness;
+
+    // Start state
+    public float CurrentBrightness;
+    public bool Rising;
+    public int Timer;
+    public bool Inactive;
+
+    // World rep info
+    public bool Refresh; // Not relevant to us. It's used to tell dromed it needs to relight
+    public ushort LightTableMapIndex;
+    public ushort LightTableLightIndex;
+    public ushort CellsReached;
+
+    private int _unknown;
+
+    public override void Read(BinaryReader reader)
+    {
+        base.Read(reader);
+        Brightness = reader.ReadSingle();
+        Offset = reader.ReadVec3();
+        Refresh = reader.ReadBoolean();
+        reader.ReadBytes(3);
+        LightTableMapIndex = reader.ReadUInt16();
+        CellsReached = reader.ReadUInt16();
+        LightTableLightIndex = reader.ReadUInt16();
+        Mode = (AnimMode)reader.ReadUInt16();
+        MsToBrighten = reader.ReadInt32();
+        MsToDim = reader.ReadInt32();
+        MinBrightness = reader.ReadSingle();
+        MaxBrightness = reader.ReadSingle();
+        CurrentBrightness = reader.ReadSingle();
+        Rising = reader.ReadBoolean();
+        reader.ReadBytes(3);
+        Timer = reader.ReadInt32();
+        Inactive = reader.ReadBoolean();
+        reader.ReadBytes(3);
+        Radius = reader.ReadSingle();
+        _unknown = reader.ReadInt32();
+        QuadLit = reader.ReadBoolean();
+        reader.ReadBytes(3);
+        InnerRadius = reader.ReadSingle();
+        Dynamic = reader.ReadBoolean();
+        reader.ReadBytes(3);
+    }
+
+    public override void Write(BinaryWriter writer)
+    {
+        base.Write(writer);
+        writer.Write(Brightness);
+        writer.WriteVec3(Offset);
+        writer.Write(Refresh);
+        writer.Write(new byte[3]);
+        writer.Write(LightTableMapIndex);
+        writer.Write(CellsReached);
+        writer.Write(LightTableLightIndex);
+        writer.Write((ushort)Mode);
+        writer.Write(MsToBrighten);
+        writer.Write(MsToDim);
+        writer.Write(MinBrightness);
+        writer.Write(MaxBrightness);
+        writer.Write(CurrentBrightness);
+        writer.Write(Rising);
+        writer.Write(new byte[3]);
+        writer.Write(Timer);
+        writer.Write(Inactive);
+        writer.Write(new byte[3]);
+        writer.Write(Radius);
+        writer.Write(_unknown);
+        writer.Write(QuadLit);
+        writer.Write(new byte[3]);
+        writer.Write(InnerRadius);
+        writer.Write(Dynamic);
+        writer.Write(new byte[3]);
+    }
+}
+
 public class PropLightColor : Property
 {
     public float Hue;

KeepersCompound.LGS/Database/Chunks/WorldRep.cs

@@ -1,5 +1,3 @@
-using System;
-using System.IO;
 using System.Numerics;
 
 namespace KeepersCompound.LGS.Database.Chunks;
@@ -419,9 +417,179 @@ public class WorldRep : IChunk
         }
     }
 
+    public struct BspTree
+    {
+        public struct Node
+        {
+            int parentIndex; // TODO: Split the flags out of this
+            int cellId;
+            int planeId;
+            uint insideIndex;
+            uint outsideIndex;
+
+            public Node(BinaryReader reader)
+            {
+                parentIndex = reader.ReadInt32();
+                cellId = reader.ReadInt32();
+                planeId = reader.ReadInt32();
+                insideIndex = reader.ReadUInt32();
+                outsideIndex = reader.ReadUInt32();
+            }
+
+            public readonly void Write(BinaryWriter writer)
+            {
+                writer.Write(parentIndex);
+                writer.Write(cellId);
+                writer.Write(planeId);
+                writer.Write(insideIndex);
+                writer.Write(outsideIndex);
+            }
+        }
+
+        public uint PlaneCount;
+        public uint NodeCount;
+        public Plane[] Planes;
+        public Node[] Nodes;
+
+        public BspTree(BinaryReader reader)
+        {
+            PlaneCount = reader.ReadUInt32();
+            Planes = new Plane[PlaneCount];
+            for (var i = 0; i < PlaneCount; i++)
+            {
+                Planes[i] = new Plane(reader.ReadVec3(), reader.ReadSingle());
+            }
+
+            NodeCount = reader.ReadUInt32();
+            Nodes = new Node[NodeCount];
+            for (var i = 0; i < NodeCount; i++)
+            {
+                Nodes[i] = new Node(reader);
+            }
+        }
+
+        public readonly void Write(BinaryWriter writer)
+        {
+            writer.Write(PlaneCount);
+            foreach (var plane in Planes)
+            {
+                writer.WriteVec3(plane.Normal);
+                writer.Write(plane.D);
+            }
+            writer.Write(NodeCount);
+            foreach (var node in Nodes)
+            {
+                node.Write(writer);
+            }
+        }
+    }
+
+    public struct LightTable
+    {
+        public struct LightData
+        {
+            public Vector3 Location;
+            public Vector3 Direction;
+            public Vector3 Color;
+            float InnerAngle; // I'm pretty sure these are the spotlight angles
+            float OuterAngle;
+            float Radius;
+
+            public LightData(BinaryReader reader)
+            {
+                Location = reader.ReadVec3();
+                Direction = reader.ReadVec3();
+                Color = reader.ReadVec3();
+                InnerAngle = reader.ReadSingle();
+                OuterAngle = reader.ReadSingle();
+                Radius = reader.ReadSingle();
+            }
+
+            public readonly void Write(BinaryWriter writer)
+            {
+                writer.WriteVec3(Location);
+                writer.WriteVec3(Direction);
+                writer.WriteVec3(Color);
+                writer.Write(InnerAngle);
+                writer.Write(OuterAngle);
+                writer.Write(Radius);
+            }
+        }
+
+        public struct AnimCellMap
+        {
+            public ushort CellIndex;
+            public ushort LightIndex;
+
+            public AnimCellMap(BinaryReader reader)
+            {
+                CellIndex = reader.ReadUInt16();
+                LightIndex = reader.ReadUInt16();
+            }
+
+            public readonly void Write(BinaryWriter writer)
+            {
+                writer.Write(CellIndex);
+                writer.Write(LightIndex);
+            }
+        }
+
+        public int LightCount;
+        public int DynamicLightCount;
+        public int AnimMapCount;
+        public LightData[] Lights;
+        public LightData[] ScratchpadLights;
+        public AnimCellMap[] AnimCellMaps;
+
+        // TODO: Support olddark
+        public LightTable(BinaryReader reader)
+        {
+            LightCount = reader.ReadInt32();
+            DynamicLightCount = reader.ReadInt32();
+            Lights = new LightData[LightCount + DynamicLightCount];
+            for (var i = 0; i < Lights.Length; i++)
+            {
+                Lights[i] = new LightData(reader);
+            }
+            ScratchpadLights = new LightData[32];
+            for (var i = 0; i < ScratchpadLights.Length; i++)
+            {
+                ScratchpadLights[i] = new LightData(reader);
+            }
+            AnimMapCount = reader.ReadInt32();
+            AnimCellMaps = new AnimCellMap[AnimMapCount];
+            for (var i = 0; i < AnimCellMaps.Length; i++)
+            {
+                AnimCellMaps[i] = new AnimCellMap(reader);
+            }
+        }
+
+        public readonly void Write(BinaryWriter writer)
+        {
+            writer.Write(LightCount);
+            writer.Write(DynamicLightCount);
+            foreach (var light in Lights)
+            {
+                light.Write(writer);
+            }
+            foreach (var light in ScratchpadLights)
+            {
+                light.Write(writer);
+            }
+            writer.Write(AnimMapCount);
+            foreach (var map in AnimCellMaps)
+            {
+                map.Write(writer);
+            }
+        }
+    }
+
     public ChunkHeader Header { get; set; }
     public WrHeader DataHeader { get; set; }
     public Cell[] Cells { get; set; }
+    public BspTree Bsp { get; set; }
+    public LightTable LightingTable { get; set; }
+    private byte[] _unknown;
     private byte[] _unreadData;
 
     public void ReadData(BinaryReader reader, DbFile.TableOfContents.Entry entry)
@@ -435,6 +603,12 @@ public class WorldRep : IChunk
             Cells[i] = new Cell(reader, bpp);
         }
 
+        Bsp = new BspTree(reader);
+
+        // TODO: Work out what this is
+        _unknown = reader.ReadBytes(Cells.Length);
+        LightingTable = new LightTable(reader);
+
         // TODO: All the other info lol
         var length = entry.Offset + entry.Size + 24 - reader.BaseStream.Position;
         _unreadData = reader.ReadBytes((int)length);
@@ -447,6 +621,9 @@ public class WorldRep : IChunk
         {
             cell.Write(writer);
         }
+        Bsp.Write(writer);
+        writer.Write(_unknown);
+        LightingTable.Write(writer);
         writer.Write(_unreadData);
     }
 }

KeepersCompound.LGS/Database/File.cs

@@ -32,13 +32,13 @@ public class DbFile
         }
     }
 
-    public readonly struct TableOfContents
+    public struct TableOfContents
     {
-        public readonly struct Entry
+        public struct Entry
         {
-            public string Name { get; }
+            public string Name;
-            public uint Offset { get; }
+            public uint Offset;
-            public uint Size { get; }
+            public uint Size;
 
             public Entry(BinaryReader reader)
             {
@@ -47,10 +47,9 @@ public class DbFile
                 Size = reader.ReadUInt32();
             }
 
-            public override string ToString()
+            public override readonly string ToString()
             {
-                // return $"Name: {Name}, Offset: {O}"
+                return $"Name: {Name}, Offset: {Offset}, Size: {Size}";
-                return base.ToString();
             }
 
             public readonly void Write(BinaryWriter writer)
@@ -110,18 +109,28 @@ public class DbFile
 
     public void Save(string filename)
     {
-        // !HACK: Right now we don't need to adjust TOC offset or anything because we're only
-        // overwriting data, not writing new lengths of data
-
         using var stream = File.Open(filename, FileMode.Create);
         using var writer = new BinaryWriter(stream, Encoding.UTF8, false);
 
         Header.Write(writer);
-        foreach (var (name, chunk) in Chunks)
+        for (var i = 0; i < Toc.ItemCount; i++)
         {
+            var item = Toc.Items[i];
+            var pos = stream.Position;
+
+            var chunk = Chunks[item.Name];
             chunk.Write(writer);
+            var size = stream.Position - pos - 24;
+
+            item.Offset = (uint)pos;
+            item.Size = (uint)size;
+            Toc.Items[i] = item;
         }
+        var tocOffset = (uint)stream.Position;
         Toc.Write(writer);
+
+        stream.Seek(0, SeekOrigin.Begin);
+        writer.Write(tocOffset);
     }
 
     private static IChunk NewChunk(string entryName)
@@ -143,6 +152,7 @@ public class DbFile
             "P$OTxtRepr2" => new PropertyChunk<PropString>(),
             "P$OTxtRepr3" => new PropertyChunk<PropString>(),
             "P$Light" => new PropertyChunk<PropLight>(),
+            "P$AnimLight" => new PropertyChunk<PropAnimLight>(),
             "P$LightColo" => new PropertyChunk<PropLightColor>(),
             "P$Spotlight" => new PropertyChunk<PropSpotlight>(),
             "P$RenderAlp" => new PropertyChunk<PropFloat>(),

KeepersCompound.LGS/Database/ObjectHierarchy.cs

@@ -101,11 +101,13 @@ public class ObjectHierarchy
         AddProp<PropString>("P$OTxtRepr3");
         AddProp<PropFloat>("P$RenderAlp");
         AddProp<PropLight>("P$Light");
+        AddProp<PropAnimLight>("P$AnimLight");
         AddProp<PropLightColor>("P$LightColo");
         AddProp<PropSpotlight>("P$Spotlight");
     }
 
-    public T GetProperty<T>(int objectId, string propName) where T : Property
+    // TODO: Work out if there's some nice way to automatically decide if we inherit
+    public T GetProperty<T>(int objectId, string propName, bool inherit = true) where T : Property
     {
         if (!_objects.ContainsKey(objectId))
         {
@@ -121,7 +123,7 @@ public class ObjectHierarchy
             }
 
             var prop = obj.GetProperty<T>(propName);
-            if (prop != null)
+            if (prop != null || !inherit)
             {
                 return prop;
             }

KeepersCompound.Lightmapper/Program.cs

@@ -22,6 +22,9 @@ class Program
         public Vector3 spotlightDir;
         public float spotlightInnerAngle;
         public float spotlightOuterAngle;
+
+        public bool anim;
+        public int animLightTableIndex;
     }
 
     static void Main(string[] args)
@@ -33,18 +36,16 @@ class Program
         var campaignName = "JAYRUDE_Tests";
         var missionName = "lm_test.cow";
 
+        // campaignName = "TDP20AC_a_burrick_in_a_room";
+        // missionName = "miss20.mis";
+
         // Setup extract path
         var tmpDir = Directory.CreateTempSubdirectory("KCLightmapper");
-        Console.WriteLine(tmpDir.FullName);
         var resPathManager = new ResourcePathManager(tmpDir.FullName);
         resPathManager.Init(installPath);
 
         var campaign = resPathManager.GetCampaign(campaignName);
         var misPath = campaign.GetResourcePath(ResourceType.Mission, missionName);
-
-        // misPath = "/stuff/Games/thief/drive_c/GOG Games/TG ND 1.27 (MAPPING)/FMs/JAYRUDE_Tests/lm_test.cow";
-        // misPath = "/stuff/Games/thief/drive_c/GOG Games/TG ND 1.27 (MAPPING)/FMs/AtdV/miss20.mis";
-        // misPath = "/stuff/Games/thief/drive_c/GOG Games/TG ND 1.27 (MAPPING)/FMs/TDP20AC_a_burrick_in_a_room/miss20.mis";
         Timing.TimeStage("Total", () => LightmapMission(campaign, misPath));
 
         Timing.LogAll();
@@ -132,24 +133,17 @@ class Program
                 {
                     // TODO: Handle PropSpotlightAndAmbient
                     var id = (int)brush.brushInfo;
-                    var propLight = hierarchy.GetProperty<PropLight>(id, "P$Light");
+                    var propAnimLight = hierarchy.GetProperty<PropAnimLight>(id, "P$AnimLight", false);
+                    var propLight = hierarchy.GetProperty<PropLight>(id, "P$Light", false);
                     var propLightColor = hierarchy.GetProperty<PropLightColor>(id, "P$LightColo");
                     var propSpotlight = hierarchy.GetProperty<PropSpotlight>(id, "P$Spotlight");
                     var propModelname = hierarchy.GetProperty<PropLabel>(id, "P$ModelName");
 
-                    if (propLight != null)
-                    {
                     propLightColor ??= new PropLightColor { Hue = 0, Saturation = 0 };
 
-                        // TODO: There's still some lights that aren't positioned right such as Streetlamp.
+                    var baseLight = new Light
-                        //       Perhaps there's a light point specified in model files?
-                        var light = new Light
                     {
-                            position = brush.position + propLight.Offset,
+                        position = brush.position,
-                            color = HsbToRgb(propLightColor.Hue, propLightColor.Saturation, propLight.Brightness),
-                            innerRadius = propLight.InnerRadius,
-                            radius = propLight.Radius,
-                            r2 = propLight.Radius * propLight.Radius,
                         spotlightDir = -Vector3.UnitZ,
                     };
 
@@ -157,31 +151,46 @@ class Program
                     {
                         var resName = $"{propModelname.value.ToLower()}.bin";
                         var modelPath = campaign.GetResourcePath(ResourceType.Object, resName);
+                        if (modelPath != null)
+                        {
+                            // TODO: Handle failing to find model more gracefully
                             var model = new ModelFile(modelPath);
                             if (model.TryGetVhot(ModelFile.VhotId.LightPosition, out var vhot))
                             {
-                                light.position += vhot.Position;
+                                baseLight.position += vhot.Position;
                             }
                             if (model.TryGetVhot(ModelFile.VhotId.LightDirection, out vhot))
                             {
-                                light.spotlightDir = vhot.Position;
+                                baseLight.spotlightDir = vhot.Position;
                             }
                         }
 
+                    }
+
                     if (propSpotlight != null)
                     {
-                            // TODO: Some objects seem to have spotlight direction embedded in the model file
                         var rot = Matrix4x4.Identity;
                         rot *= Matrix4x4.CreateRotationX(float.DegreesToRadians(brush.angle.X));
                         rot *= Matrix4x4.CreateRotationY(float.DegreesToRadians(brush.angle.Y));
                         rot *= Matrix4x4.CreateRotationZ(float.DegreesToRadians(brush.angle.Z));
 
-                            light.spotlight = true;
+                        baseLight.spotlight = true;
-                            light.spotlightDir = Vector3.Transform(light.spotlightDir, rot);
+                        baseLight.spotlightDir = Vector3.Transform(baseLight.spotlightDir, rot);
-                            light.spotlightInnerAngle = (float)Math.Cos(float.DegreesToRadians(propSpotlight.InnerAngle));
+                        baseLight.spotlightInnerAngle = (float)Math.Cos(float.DegreesToRadians(propSpotlight.InnerAngle));
-                            light.spotlightOuterAngle = (float)Math.Cos(float.DegreesToRadians(propSpotlight.OuterAngle));
+                        baseLight.spotlightOuterAngle = (float)Math.Cos(float.DegreesToRadians(propSpotlight.OuterAngle));
                     }
 
+                    if (propLight != null)
+                    {
+                        var light = new Light
+                        {
+                            position = baseLight.position + propLight.Offset,
+                            color = HsbToRgb(propLightColor.Hue, propLightColor.Saturation, propLight.Brightness),
+                            innerRadius = propLight.InnerRadius,
+                            radius = propLight.Radius,
+                            r2 = propLight.Radius * propLight.Radius,
+                        };
+
                         if (propLight.Radius == 0)
                         {
                             light.radius = float.MaxValue;
@@ -190,6 +199,27 @@ class Program
 
                         lights.Add(light);
                     }
+
+                    if (propAnimLight != null)
+                    {
+                        var light = new Light
+                        {
+                            position = baseLight.position + propAnimLight.Offset,
+                            color = HsbToRgb(propLightColor.Hue, propLightColor.Saturation, propAnimLight.MaxBrightness),
+                            innerRadius = propAnimLight.InnerRadius,
+                            radius = propAnimLight.Radius,
+                            r2 = propAnimLight.Radius * propAnimLight.Radius,
+                            anim = true,
+                            animLightTableIndex = propAnimLight.LightTableLightIndex,
+                        };
+                        if (propAnimLight.Radius == 0)
+                        {
+                            light.radius = float.MaxValue;
+                            light.r2 = float.MaxValue;
+                        }
+
+                        lights.Add(light);
+                    }
                 }
             }
         }
@@ -323,6 +353,28 @@ class Program
 
                 foreach (var light in lights)
                 {
+                    var layer = 0;
+                    if (light.anim)
+                    {
+                        var paletteIdx = -1;
+                        for (var i = 0; i < cell.AnimLightCount; i++)
+                        {
+                            var id = cell.AnimLights[i];
+                            if (id == light.animLightTableIndex)
+                            {
+                                paletteIdx = i;
+                            }
+                        }
+
+                        if (paletteIdx == -1 || (info.AnimLightBitmask & (1 << paletteIdx)) == 0)
+                        {
+                            continue;
+                        }
+
+                        var mask = info.AnimLightBitmask & ((1 << (paletteIdx + 1)) - 1);
+                        layer = BitOperations.PopCount((uint)mask);
+                    }
+
                     // Check if plane normal is facing towards the light
                     // If it's not then we're never going to be (directly) lit by this
                     // light.
@@ -391,7 +443,7 @@ class Program
                             if (hit)
                             {
                                 var strength = CalculateLightStrengthAtPoint(light, pos, plane);
-                                lightmap.AddLight(0, x, y, light.color, strength, hdr);
+                                lightmap.AddLight(layer, x, y, light.color, strength, hdr);
                             }
                         }
                     }