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Add MrGameEng.Net: WebSocket transport + delta component replication
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Browsers can't speak UDP, so WebSocket is the engine's one transport.
The server side is a dependency-free RFC 6455 implementation over
TcpListener (handshake, frame codec with masking and fragmentation,
ping/pong — unit-tested against the RFC example vectors); the client
wraps ClientWebSocket, which works on desktop and maps to the browser
WebSocket in Blazor WASM. Both sit behind the poll-based INetConnection
so simulation systems drain messages from their own thread; client
sends are chained fire-and-forget (no blocking — wasm-safe).

Replication is server-authoritative: games register unmanaged component
types in a ReplicationSchema (same order both sides, up to 32 types),
ReplicationServer snapshots entities carrying NetId once per send and
ships each connection only the components that changed since its last
snapshot — a reliable ordered transport needs no acks for deltas. New
connections receive the full state through the same path; despawns are
tracked by set difference. ReplicationClient applies snapshots to a
local EntityStore and raises EntitySpawned so the game can decorate
replicated entities with presentation components.

Covered by 16 tests including a real loopback exchange between
WebSocketClient and WebSocketServer.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Leonid Pershin
2026-06-12 23:35:57 +03:00
co-authored by Claude Fable 5
parent 10898b08a0
commit 3438ed77f6
16 changed files with 1492 additions and 0 deletions
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MrGameEng.sln
+30
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@@ -43,6 +43,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MrGameEng.Host", "src\MrGam
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MrGameEng.Host.Tests", "tests\MrGameEng.Host.Tests\MrGameEng.Host.Tests.csproj", "{B3EB5318-5EC0-4F23-8ECA-0EC5A0C4DFD2}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MrGameEng.Net", "src\MrGameEng.Net\MrGameEng.Net.csproj", "{A4E754C7-C5FD-43A2-B345-34152D3A22D1}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MrGameEng.Net.Tests", "tests\MrGameEng.Net.Tests\MrGameEng.Net.Tests.csproj", "{434C24AC-08C6-483E-A2DE-6DBC8A4DE791}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@@ -257,6 +261,30 @@ Global
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{A4E754C7-C5FD-43A2-B345-34152D3A22D1}.Debug|x86.Build.0 = Debug|Any CPU
{A4E754C7-C5FD-43A2-B345-34152D3A22D1}.Release|Any CPU.ActiveCfg = Release|Any CPU
{A4E754C7-C5FD-43A2-B345-34152D3A22D1}.Release|Any CPU.Build.0 = Release|Any CPU
{A4E754C7-C5FD-43A2-B345-34152D3A22D1}.Release|x64.ActiveCfg = Release|Any CPU
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{434C24AC-08C6-483E-A2DE-6DBC8A4DE791}.Debug|x64.ActiveCfg = Debug|Any CPU
{434C24AC-08C6-483E-A2DE-6DBC8A4DE791}.Debug|x64.Build.0 = Debug|Any CPU
{434C24AC-08C6-483E-A2DE-6DBC8A4DE791}.Debug|x86.ActiveCfg = Debug|Any CPU
{434C24AC-08C6-483E-A2DE-6DBC8A4DE791}.Debug|x86.Build.0 = Debug|Any CPU
{434C24AC-08C6-483E-A2DE-6DBC8A4DE791}.Release|Any CPU.ActiveCfg = Release|Any CPU
{434C24AC-08C6-483E-A2DE-6DBC8A4DE791}.Release|Any CPU.Build.0 = Release|Any CPU
{434C24AC-08C6-483E-A2DE-6DBC8A4DE791}.Release|x64.ActiveCfg = Release|Any CPU
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{434C24AC-08C6-483E-A2DE-6DBC8A4DE791}.Release|x86.Build.0 = Release|Any CPU
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GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
@@ -279,5 +307,7 @@ Global
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{434C24AC-08C6-483E-A2DE-6DBC8A4DE791} = {0AB3BF05-4346-4AA6-1389-037BE0695223}
EndGlobalSection
EndGlobal