Core/Scripts: Added basic types for async script actions

src/server/game/Scripting/v2/ScriptActionResult.h

@@ -0,0 +1,66 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TRINITYCORE_SCRIPT_ACTION_RESULT_H
+#define TRINITYCORE_SCRIPT_ACTION_RESULT_H
+
+#include <memory>
+
+namespace Scripting::v2
+{
+class ActionBase;
+
+void MarkActionCompleted(ActionBase& action);
+
+template <typename T>
+class ActionResultSetter
+{
+public:
+    explicit ActionResultSetter(std::shared_ptr<ActionBase> action, T* result) : _action(std::move(action)), _result(result) { }
+
+    void SetResult(T result)
+    {
+        if (std::shared_ptr<ActionBase> ptr = _action.lock())
+        {
+            *_result = std::move(result);
+            MarkActionCompleted(*ptr);
+        }
+    }
+
+private:
+    std::weak_ptr<ActionBase> _action;
+    T* _result;
+};
+
+template <>
+class ActionResultSetter<void>
+{
+public:
+    explicit ActionResultSetter(std::shared_ptr<ActionBase> action) : _action(std::move(action)) { }
+
+    void SetResult()
+    {
+        if (std::shared_ptr<ActionBase> ptr = _action.lock())
+            MarkActionCompleted(*ptr);
+    }
+
+private:
+    std::weak_ptr<ActionBase> _action;
+};
+}
+
+#endif // TRINITYCORE_SCRIPT_ACTION_RESULT_H

src/server/game/Scripting/v2/ScriptActions.cpp

@@ -0,0 +1,57 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ScriptActions.h"
+#include "GameTime.h"
+
+namespace Scripting::v2
+{
+ActionBase::ActionBase() : _isReady(false)
+{
+}
+
+ActionBase::ActionBase(ActionBase const& other) = default;
+ActionBase::ActionBase(ActionBase&& other) noexcept = default;
+ActionBase& ActionBase::operator=(ActionBase const& other) = default;
+ActionBase& ActionBase::operator=(ActionBase&& other) noexcept = default;
+
+ActionBase::~ActionBase() = default;
+
+bool ActionBase::IsReady() const noexcept
+{
+    return _isReady;
+}
+
+void ActionBase::MarkCompleted() noexcept
+{
+    _isReady = true;
+}
+
+void MarkActionCompleted(ActionBase& action)
+{
+    action.MarkCompleted();
+}
+
+WaitAction::WaitAction(TimePoint waitEnd) : _waitEnd(waitEnd)
+{
+}
+
+bool WaitAction::IsReady() const noexcept
+{
+    return _waitEnd <= GameTime::Now();
+}
+}

src/server/game/Scripting/v2/ScriptActions.h

@@ -0,0 +1,87 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TRINITYCORE_SCRIPT_ACTIONS_H
+#define TRINITYCORE_SCRIPT_ACTIONS_H
+
+#include "ScriptActionResult.h"
+#include "Duration.h"
+
+namespace Scripting::v2
+{
+class ActionBase;
+
+template<typename T>
+class ActionResultSetter;
+
+class ActionBase
+{
+public:
+    ActionBase();
+    ActionBase(ActionBase const& other);
+    ActionBase(ActionBase&& other) noexcept;
+    ActionBase& operator=(ActionBase const& other);
+    ActionBase& operator=(ActionBase&& other) noexcept;
+    virtual ~ActionBase();
+
+    virtual bool IsReady() const noexcept;
+
+protected:
+    friend void MarkActionCompleted(ActionBase& action);
+    void MarkCompleted() noexcept;
+
+private:
+    bool _isReady;
+};
+
+class WaitAction : public ActionBase
+{
+public:
+    explicit WaitAction(TimePoint waitEnd);
+
+    bool IsReady() const noexcept override;
+
+private:
+    TimePoint _waitEnd;
+};
+
+template<typename T>
+class ActionResult : public ActionBase
+{
+public:
+    [[nodiscard]] static ActionResultSetter<T> GetResultSetter(std::shared_ptr<ActionResult> action)
+    {
+        T* resultPtr = &action->_result;
+        return ActionResultSetter<T>(std::move(action), resultPtr);
+    }
+
+private:
+    T _result = { };
+};
+
+template<>
+class ActionResult<void> : public ActionBase
+{
+public:
+    [[nodiscard]] static ActionResultSetter<void> GetResultSetter(std::shared_ptr<ActionResult> action)
+    {
+        return ActionResultSetter<void>(std::move(action));
+    }
+};
+}
+
+#endif // TRINITYCORE_SCRIPT_ACTIONS_H