TrackGenerator.cs

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using System;
using System.Diagnostics;
using Microsoft.Xna.Framework;
using Terraria.Utilities;
using Terraria.WorldBuilding;
 
namespace Terraria.GameContent.Generation
{
    // Token: 0x020008DC RID: 2268
    public class TrackGenerator
    {
        // Token: 0x060045B4 RID: 17844 RVA: 0x00255534 File Offset: 0x00253734
        public bool Place(Point origin, int minLength, int maxLength)
        {
            if (!true)
            {
            }
            this.CreateTrackStart(origin);
            bool flag = this.FindPath(minLength, maxLength);
            this.PlacePath();
            return true;
        }
 
        // Token: 0x060045B5 RID: 17845 RVA: 0x00255560 File Offset: 0x00253760
        private void PlacePath()
        {
            int length = this._length;
            int length2 = this._length;
            long num = 0L;
            if (length2 == 0)
            {
            }
            UnifiedRandom genRand = WorldGen.genRand;
            int num2 = 7;
            if (genRand.Next(num2) != 0)
            {
                int num3 = this.playerHeight;
                return;
            }
            if (length2 == 0)
            {
            }
            UnifiedRandom genRand2 = WorldGen.genRand;
            int num4 = 5;
            int num5 = 9;
            int num6 = genRand2.Next(num4, num5);
            this.playerHeight = num6;
            if (length2 == 0)
            {
            }
            TrackGenerator.TrackHistory[] history = this._history;
            Tile tile;
            ushort wall = tile.wall;
            if (history == null)
            {
            }
            TrackGenerator.TrackHistory[] history2 = this._history;
            Tile tile2;
            ushort wall2 = tile2.wall;
            if (history == null)
            {
            }
            Tile tile3;
            ushort wall3 = tile3.wall;
            if (history == null)
            {
            }
            TrackGenerator.TrackHistory[] history3 = this._history;
            long num7 = 0L;
            Tile tile4;
            ushort type = tile4.type;
            TrackGenerator.TrackHistory[] history4 = this._history;
            if (history3 == null)
            {
            }
            int num8 = 1;
            long num9 = 0L;
            long num10 = 0L;
            long num11 = 0L;
            WorldGen.KillTile(0, (int)num7, num9 != 0L, num10 != 0L, num8 != 0);
            int num12 = this.playerHeight;
            long num13 = 0L;
            if (num12 == 0)
            {
            }
            UnifiedRandom genRand3 = WorldGen.genRand;
            int num14 = 7;
            int num15;
            if (genRand3.Next(num14) == 0)
            {
                if (num12 == 0)
                {
                }
                UnifiedRandom genRand4 = WorldGen.genRand;
                num15 = 5;
                int num16 = 9;
                int num17 = genRand4.Next(num15, num16);
                this.playerHeight = num17;
            }
            TrackGenerator.TrackHistory[] history5 = this._history;
            int num18 = 1;
            long num19 = 0L;
            Tile.SmoothSlope(0, num15, num18 != 0, num19 != 0L);
            int num20 = this.playerHeight;
            int num21 = 1;
            Tile.SmoothSlope(0, num15, num21 != 0, num19 != 0L);
            Tile tile5;
            bool flag = tile5.wire();
            TrackGenerator.TrackHistory[] history6;
            if (num20 != 0 && num13 != 0L)
            {
                history6 = this._history;
                if (history6 == null)
                {
                }
                Tile tile6;
                tile6.ClearEverything();
                if (history6 == null)
                {
                }
                int num22 = 314;
                int num23 = 1;
                int num24 = 1;
                long num25 = 0L;
                bool flag2 = WorldGen.PlaceTile(0, (int)num, num22, num25 != 0L, num23 != 0, (int)num11, num24);
                return;
            }
            if (history6 == null)
            {
            }
            int num26 = 314;
            Tile tile7;
            tile7.ResetToType((ushort)num26);
            Tile tile8;
            tile8.wire(false);
            if (num13 != 0L)
            {
                TrackGenerator.TrackHistory[] history7 = this._history;
                int length3 = this._length;
                int num27 = this.playerHeight;
                int num28 = 1;
                WorldUtils.TileFrame(0, (int)num, num28 != 0);
                int num29 = this.playerHeight;
            }
        }
 
        // Token: 0x060045B6 RID: 17846 RVA: 0x00255770 File Offset: 0x00253970
        private void CreateTrackStart(Point origin)
        {
            if (!true)
            {
            }
            int num = 1;
            TrackGenerator.TrackHistory[] history = this._history;
            this.playerHeight = num;
            TrackGenerator.TrackHistory[] history2 = this._history;
            int num2 = 1;
            int xDirection = this._xDirection;
            history2.Slope = (TrackGenerator.TrackSlope)num2;
            history2.X = (short)xDirection;
            TrackGenerator.TrackHistory[] history3 = this._history;
        }
 
        // Token: 0x060045B7 RID: 17847 RVA: 0x002557C0 File Offset: 0x002539C0
        private bool FindPath(int minLength, int maxLength)
        {
            /*
An exception occurred when decompiling this method (060045B7)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Boolean Terraria.GameContent.Generation.TrackGenerator::FindPath(System.Int32,System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_0053:
    stloc:int32(var_9_5B, call:int32(Math::Min, ldloc:int32(maxLength), ldloc:int32(var_5_31)))
    stfld:int32(TrackGenerator::_length, ldloc:TrackGenerator(this), ldloc:int32(var_9_5B))
    call:void(TrackGenerator::SmoothTrack, ldloc:TrackGenerator(this))
    stloc:int32(var_11_74, ldfld:int32(TrackGenerator::_length, ldloc:TrackGenerator(this)))
    stloc:int64(var_12_77, ldc.i4:int64(0))
    stloc:TrackPlacementState(var_13_83, call:TrackPlacementState(TrackGenerator::GetHistorySegmentPlacementState, ldloc:TrackGenerator(this), ldloc:int64[exp:int32](var_12_77), ldloc:int32(var_11_74)))
}
 
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1683
*/;
        }
 
        // Token: 0x060045B8 RID: 17848 RVA: 0x00255854 File Offset: 0x00253A54
        private TrackGenerator.TrackPlacementState CreateTunnel()
        {
            int length = this._length;
            TrackGenerator.TrackHistory[] history = this._history;
            int num = 2;
            int xDirection = this._xDirection;
            if (length == 0)
            {
            }
            while (num == 0)
            {
            }
            TrackGenerator.TrackPlacementState trackPlacementState;
            return trackPlacementState;
        }
 
        // Token: 0x060045B9 RID: 17849 RVA: 0x002558F0 File Offset: 0x00253AF0
        private void AppendToHistory(TrackGenerator.TrackSlope slope, TrackGenerator.TrackMode mode = TrackGenerator.TrackMode.Normal)
        {
            TrackGenerator.TrackHistory[] history = this._history;
            int xDirection = this._xDirection;
            TrackGenerator.TrackHistory[] history2 = this._history;
            this._length = history;
        }
 
        // Token: 0x060045BA RID: 17850 RVA: 0x0025591C File Offset: 0x00253B1C
        private TrackGenerator.TrackPlacementState TryRewriteHistoryToAvoidTiles()
        {
            int length = this._length;
            TrackGenerator.TrackHistory[] rewriteHistory = this._rewriteHistory;
            long num = 0L;
            TrackGenerator.TrackHistory[] history = this._history;
            TrackGenerator.TrackHistory[] rewriteHistory2 = this._rewriteHistory;
            rewriteHistory2.X = history;
            int length2 = this._length;
            TrackGenerator.TrackHistory[] history2 = this._history;
            if (this.GetHistorySegmentPlacementState(43134976, (int)num) == TrackGenerator.TrackPlacementState.Available)
            {
                return;
            }
            TrackGenerator.TrackHistory[] history3 = this._history;
            int length3 = this._length;
            history3.X = rewriteHistory2;
            TrackGenerator.TrackPlacementState historySegmentPlacementState = this.GetHistorySegmentPlacementState(43134976, (int)num);
            if (historySegmentPlacementState != TrackGenerator.TrackPlacementState.Available)
            {
                int length4 = this._length;
                return historySegmentPlacementState;
            }
        }
 
        // Token: 0x060045BB RID: 17851 RVA: 0x00255A2C File Offset: 0x00253C2C
        private void RewriteSlopeDirection(int index, TrackGenerator.TrackSlope slope)
        {
            TrackGenerator.TrackHistory[] history = this._history;
        }
 
        // Token: 0x060045BC RID: 17852 RVA: 0x00255A44 File Offset: 0x00253C44
        private TrackGenerator.TrackPlacementState GetHistorySegmentPlacementState(int startIndex, int length)
        {
            TrackGenerator.TrackHistory[] history = this._history;
            return TrackGenerator.CalculateStateForLocation(43134976, startIndex);
        }
 
        // Token: 0x060045BD RID: 17853 RVA: 0x00255A74 File Offset: 0x00253C74
        private void SmoothTrack()
        {
            int length = this._length;
            if (!false)
            {
            }
            int num = Math.Min(0, 43134976);
            TrackGenerator.TrackHistory[] history = this._history;
        }
 
        // Token: 0x060045BE RID: 17854 RVA: 0x00255AA8 File Offset: 0x00253CA8
        private static bool CanSlopesTouch(TrackGenerator.TrackSlope leftSlope, TrackGenerator.TrackSlope rightSlope)
        {
            return true;
        }
 
        // Token: 0x060045BF RID: 17855 RVA: 0x00255AB8 File Offset: 0x00253CB8
        private static bool FindSuitableOrigin(Point origin)
        {
            /*
An exception occurred when decompiling this method (060045BF)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Boolean Terraria.GameContent.Generation.TrackGenerator::FindSuitableOrigin(Microsoft.Xna.Framework.Point)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_0016:
    stloc:TrackPlacementState(var_3_21, call:TrackPlacementState(TrackGenerator::CalculateStateForLocation, ldc.i4:int32(0), ldc.i4:int32(43134976)))
}
 
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1683
*/;
        }
 
        // Token: 0x060045C0 RID: 17856 RVA: 0x00255AE8 File Offset: 0x00253CE8
        private static TrackGenerator.TrackPlacementState CalculateStateForLocation(int x, int y)
        {
            /*
An exception occurred when decompiling this method (060045C0)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling Terraria.GameContent.Generation.TrackGenerator/TrackPlacementState Terraria.GameContent.Generation.TrackGenerator::CalculateStateForLocation(System.Int32,System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_001D:
    stloc:int64(var_4_1E, ldc.i4:int64(0))
    stloc:bool(var_5_29, call:bool(WorldGen::SolidTile, ldc.i4:int32(0), ldloc:int32(x), ldloc:int64[exp:bool](var_4_1E)))
    stloc:int32(var_7_2F, ldc.i4:int32(2))
    stloc:int32(var_8_36, ldc.i4:int32(314))
    stloc:int32(var_9_3A, ldc.i4:int32(30))
    stloc:bool(var_10_48, call:bool(WorldGen::IsTileNearby, ldloc:int32(var_7_2F), ldloc:int32(x), ldloc:int32(var_8_36), ldloc:int32(var_9_3A)))
}
 
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1683
*/;
        }
 
        // Token: 0x060045C1 RID: 17857 RVA: 0x00255B40 File Offset: 0x00253D40
        private static bool IsMinecartTrack(int x, int y)
        {
            /*
An exception occurred when decompiling this method (060045C1)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Boolean Terraria.GameContent.Generation.TrackGenerator::IsMinecartTrack(System.Int32,System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_000F:
    stloc:uint16(var_4_15, callgetter:uint16(Tile::get_type, ldloc:Tile[exp:valuetype Terraria.Tile&](var_3)))
}
 
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1683
*/;
        }
 
        // Token: 0x060045C2 RID: 17858 RVA: 0x00255B68 File Offset: 0x00253D68
        private static bool IsLocationInvalid(int x, int y)
        {
            if (!true)
            {
            }
            int underworldLayer = Main.UnderworldLayer;
            if (!true)
            {
            }
            long num = 32752L;
            int num2 = 32768;
            if (num == 0L)
            {
            }
            if (num2 == 0)
            {
            }
            if (num2 == 0)
            {
            }
            bool flag = WorldGen.oceanDepths(0, x);
            int num3 = 1;
            if (num3 == 0)
            {
            }
            Tile tile;
            ushort wall = tile.wall;
            if (num3 == 0)
            {
            }
            if (num == 0L)
            {
            }
            while (num == 0L)
            {
            }
            return false;
        }
 
        // Token: 0x060045C3 RID: 17859 RVA: 0x00255C10 File Offset: 0x00253E10
        [Conditional("ENABLE_DEBUG")]
        [Conditional("UNITY_EDITOR")]
        private void DrawPause()
        {
        }
 
        // Token: 0x060045C4 RID: 17860 RVA: 0x00255C20 File Offset: 0x00253E20
        public TrackGenerator()
        {
        }
 
        // Token: 0x060045C5 RID: 17861 RVA: 0x00255C3C File Offset: 0x00253E3C
        // Note: this type is marked as 'beforefieldinit'.
        static TrackGenerator()
        {
        }
 
        // Token: 0x0400821A RID: 33306
        private static readonly ushort[] InvalidWalls;
 
        // Token: 0x0400821B RID: 33307
        private static readonly ushort[] InvalidTiles;
 
        // Token: 0x0400821C RID: 33308
        private readonly TrackGenerator.TrackHistory[] _history;
 
        // Token: 0x0400821D RID: 33309
        private readonly TrackGenerator.TrackHistory[] _rewriteHistory;
 
        // Token: 0x0400821E RID: 33310
        private int _xDirection;
 
        // Token: 0x0400821F RID: 33311
        private int _length;
 
        // Token: 0x04008220 RID: 33312
        private int playerHeight = 6;
 
        // Token: 0x020008DD RID: 2269
        private enum TrackPlacementState
        {
            // Token: 0x04008222 RID: 33314
            Available,
            // Token: 0x04008223 RID: 33315
            Obstructed,
            // Token: 0x04008224 RID: 33316
            Invalid
        }
 
        // Token: 0x020008DE RID: 2270
        private enum TrackSlope : sbyte
        {
            // Token: 0x04008226 RID: 33318
            Up = -1,
            // Token: 0x04008227 RID: 33319
            Straight,
            // Token: 0x04008228 RID: 33320
            Down
        }
 
        // Token: 0x020008DF RID: 2271
        private enum TrackMode : byte
        {
            // Token: 0x0400822A RID: 33322
            Normal,
            // Token: 0x0400822B RID: 33323
            Tunnel
        }
 
        // Token: 0x020008E0 RID: 2272
        [DebuggerDisplay("X = {X}, Y = {Y}, Slope = {Slope}")]
        private struct TrackHistory
        {
            // Token: 0x060045C6 RID: 17862 RVA: 0x00255C4C File Offset: 0x00253E4C
            public TrackHistory(int x, int y, TrackGenerator.TrackSlope slope)
            {
                this.X = (short)x;
                this.Y = (short)y;
                this.Slope = slope;
            }
 
            // Token: 0x0400822C RID: 33324
            public short X;
 
            // Token: 0x0400822D RID: 33325
            public short Y;
 
            // Token: 0x0400822E RID: 33326
            public TrackGenerator.TrackSlope Slope;
 
            // Token: 0x0400822F RID: 33327
            public TrackGenerator.TrackMode Mode;
        }
    }
}