feat(engine): add Players service

autogen/src/object/codegen.cpp

@@ -79,7 +79,7 @@ static void writePropertySetHandler(std::ofstream& out, ClassAnalysis state) {
         std::string subtype = parseWeakPtr(prop.backingFieldType);
 
         if (prop.flags & PropertyFlag_Readonly) {
-            out << "\n        return AssignToReadOnlyMember(GetClass()->className, name)";
+            out << "\n        return AssignToReadOnlyMember(GetClass()->className, name);";
         } else if (prop.cframeMember == CFrameMember_Position) {
             out << "\n        this->" << prop.fieldName << " = this->" << prop.fieldName << ".Rotation() + value.get<Vector3>();";
         }  else if (prop.cframeMember == CFrameMember_Rotation) {

core/src/objects/datamodel.cpp

@@ -7,6 +7,7 @@
 #include "objects/service/script/serverscriptservice.h"
 #include "datatypes/variant.h"
 #include "objects/service/workspace.h"
+#include "objects/service/players.h"
 #include "logger.h"
 #include "panic.h"
 #include <pugixml.hpp>
@@ -23,6 +24,7 @@ DataModel::DataModel()
 void DataModel::Init(bool runMode) {
     // Create default services
     GetService<Workspace>();
+    GetService<Players>();
     GetService<ServerScriptService>();
     
     // Init all services

core/src/objects/meta.cpp

@@ -13,6 +13,7 @@
 #include "objects/service/script/serverscriptservice.h"
 #include "objects/service/selection.h"
 #include "objects/service/workspace.h"
+#include "objects/service/players.h"
 #include "objects/datamodel.h"
 
 std::map<std::string, const InstanceType*> INSTANCE_MAP = {
@@ -32,6 +33,7 @@ std::map<std::string, const InstanceType*> INSTANCE_MAP = {
     // Services
 
     { "Workspace", &Workspace::TYPE },
+    { "Players", &Players::TYPE },
     { "JointsService", &JointsService::TYPE },
     { "ScriptContext", &ScriptContext::TYPE },
     { "ServerScriptService", &ServerScriptService::TYPE },

core/src/objects/service/players.cpp

@@ -0,0 +1,19 @@
+#include "players.h"
+#include "objects/service/workspace.h"
+#include "objects/datamodel.h"
+#include <memory>
+
+Players::Players(): Service(&TYPE) {
+}
+
+Players::~Players() = default;
+
+void Players::InitService() {
+    if (initialized) return;
+    initialized = true;
+
+    // Clear any players if they for some reason exist
+    for (std::shared_ptr<Instance> inst : GetChildren()) {
+        inst->Destroy();
+    }
+}

core/src/objects/service/players.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "objects/annotation.h"
+#include "objects/base/service.h"
+
+class DEF_INST_SERVICE Players : public Service {
+    AUTOGEN_PREAMBLE
+protected:
+    void InitService() override;
+    bool initialized = false;
+
+public:
+    Players();
+    ~Players();
+
+    static inline std::shared_ptr<Instance> Create() { return std::make_shared<Players>(); };
+
+    DEF_PROP_CATEGORY(DATA)
+    DEF_PROP_(readonly,no_save)
+    int numPlayers = 0;
+    DEF_PROP int maxPlayers = 6;
+};