Initial source commit

src/SimAntics.Tests/SimAntics.Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
+
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+        <PackageReference Include="xunit" Version="2.4.0" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
+        <PackageReference Include="coverlet.collector" Version="1.2.0" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\SimAntics\SimAntics.csproj" />
+    </ItemGroup>
+
+</Project>

src/SimAntics.Tests/UnitTest1.cs

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+using System;
+using Xunit;
+
+namespace SimAntics.Tests
+{
+    public class UnitTest1
+    {
+        [Fact]
+        public void Test1()
+        {
+        }
+    }
+}

src/SimAntics.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SimAntics", "SimAntics\SimAntics.csproj", "{6B758449-9D5A-456A-A733-31B7841E538A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SimAntics.Tests", "SimAntics.Tests\SimAntics.Tests.csproj", "{4B7461A4-982A-4D89-92E3-E4D4A3EC85FB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{6B758449-9D5A-456A-A733-31B7841E538A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6B758449-9D5A-456A-A733-31B7841E538A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6B758449-9D5A-456A-A733-31B7841E538A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6B758449-9D5A-456A-A733-31B7841E538A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4B7461A4-982A-4D89-92E3-E4D4A3EC85FB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4B7461A4-982A-4D89-92E3-E4D4A3EC85FB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4B7461A4-982A-4D89-92E3-E4D4A3EC85FB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4B7461A4-982A-4D89-92E3-E4D4A3EC85FB}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

src/SimAntics/Engine/VMInstruction.cs

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+namespace SimAntics.Engine
+{
+    /// <summary>
+    /// Compatibility class 
+    /// </summary>
+    public class VMThread : VMInstruction { }
+    
+    /// <summary>
+    /// Handles instruction sets
+    /// </summary>
+    public class VMInstruction
+    {
+        public static int MAX_USER_ACTIONS = 20;
+
+        public VMContext Context;
+        
+        public bool IsCheck;
+    }
+}

src/SimAntics/IVM.cs

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+namespace SimAntics
+{
+    public interface IVM
+    {
+        void Init();
+        void Reset();
+        void Update();
+        void Tick();
+        void InternalTick(uint tickId);
+    }
+}

src/SimAntics/SimAntics.csproj

@@ -0,0 +1,7 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netstandard2.0</TargetFramework>
+    </PropertyGroup>
+
+</Project>

src/SimAntics/VM.cs

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+using System;
+
+namespace SimAntics
+{
+    /// <summary>
+    /// VM is an abstract class that contains the 
+    /// </summary>
+    public abstract class VM : IVM
+    {
+        public bool IsTS1 { get; set; }
+        public bool Ready { get; set; }
+        public bool BHAVDirty { get; set; }
+
+        public delegate void VMRefreshHandler();
+        public delegate void VMLotSwitchHandler(uint lotId);
+
+        public void Init()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void Reset()
+        {
+            throw new NotImplementedException();
+        }
+        public void Update()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void Tick()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void InternalTick(uint tickId)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

src/SimAntics/VMClock.cs

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+using System;
+
+namespace SimAntics
+{
+    public class VMClock
+    {
+        public long Ticks { get; set; }
+        public int MinuteFractions { get; set; }
+        public int TicksPerMinute { get; set; }
+        public int Minutes { get; set; }
+        public int Hours { get; set; }
+
+        public int DayOfMonth = 1;
+        public int Month = 6;
+        public int Year = 1997;
+
+        public int FirePercent { get; set; }
+        public long UTCStart = DateTime.UtcNow.Ticks;
+
+        public int TimeOfDay => (Hours >= 6 && Hours < 18) ? 0 : 1;
+        public int Seconds => MinuteFractions * 60 / TicksPerMinute;
+
+        public DateTime UTCNow => (new DateTime(UTCStart)).AddSeconds(Ticks / 30.0);
+        
+        public VMClock() {}
+
+        public void Tick()
+        {
+            if (FirePercent < 2000) FirePercent++;
+            if (++MinuteFractions < TicksPerMinute) return;
+            MinuteFractions = 0;
+            if (++Minutes < 60) return;
+            Minutes = 0;
+            if (++DayOfMonth <= 30) return;
+            DayOfMonth = 1;
+            if (++Month <= 12) return;
+            Month = 1;
+            Year++;
+
+            Ticks++;
+        }
+    }
+}

src/SimAntics/VMContext.cs

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+namespace SimAntics
+{
+    public class VMContext
+    {
+        public static bool useWorld = true;
+        public VM Vm;
+    }
+}

src/global.json

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+{
+  "sdk": {
+    "version": "3.1.201"
+  }
+}