Elevate::CommandManager Class Reference

#include <Command.h>

Public Member Functions
void	PushCommand (std::unique_ptr< Command > command)

Protected Member Functions
void	ExecuteStack ()
void	Execute (std::unique_ptr< Command > command)
void	Undo ()
void	Redo ()

Detailed Description

Definition at line 39 of file Command.h.

Member Function Documentation

Execute()

void Elevate::CommandManager::Execute ( std::unique_ptr< Command >  command )

protected

Definition at line 16 of file Command.cpp.

{
    EE_CORE_TRACE("Execute");
    command->Execute();
 
    if (command->IsUndoable())
    {
        m_undoStack.push(std::move(command));
 
        // Clear the redo stack with a swap trick (more safe with unique ptrs)
        std::stack<std::unique_ptr<Command>> empty;
        m_redoStack.swap(empty);
    }
}

ExecuteStack()

void Elevate::CommandManager::ExecuteStack ( )

protected

Definition at line 5 of file Command.cpp.

{
    while (!m_executeStack.empty())
    {
        EE_CORE_TRACE("ExecuteStack while loop iteration");
        auto command = std::move(m_executeStack.top());
        m_executeStack.pop();
        Execute(std::move(command));
    }
}

PushCommand()

void Elevate::CommandManager::PushCommand ( std::unique_ptr< Command >  command )

inline

Definition at line 42 of file Command.h.

        {
            m_executeStack.push(std::move(command));
        }

Redo()

void Elevate::CommandManager::Redo ( )

protected

Definition at line 50 of file Command.cpp.

{
    if (!m_redoStack.empty())
    {
        auto cmd = std::move(m_redoStack.top());
        m_redoStack.pop();
        PushCommand(std::move(cmd));
    }
}

Undo()

void Elevate::CommandManager::Undo ( )

protected

Definition at line 31 of file Command.cpp.

{
    if (!m_undoStack.empty())
    {
        while (!m_undoStack.empty() && !m_undoStack.top()->IsUndoable())
        {
            m_undoStack.pop();
        }
 
        if (!m_undoStack.empty())
        {
            auto cmd = std::move(m_undoStack.top());
            m_undoStack.pop();
            cmd->Undo();
            m_redoStack.push(std::move(cmd));
        }
    }
}

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The documentation for this class was generated from the following files:

• ElevateEngine/src/ElevateEngine/Core/Command.h
• ElevateEngine/src/ElevateEngine/Core/Command.cpp