colobot/src/ui/controls/target.cpp

168 lines
4.2 KiB
C++

/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2016, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
*
* 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 3 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://gnu.org/licenses
*/
#include "ui/controls/target.h"
#include "level/robotmain.h"
#include "object/object_manager.h"
#include "object/old_object.h"
namespace Ui
{
// Object's constructor.
CTarget::CTarget() : CControl()
{
}
// Object's destructor.
CTarget::~CTarget()
{
}
// Creates a new button.
bool CTarget::Create(Math::Point pos, Math::Point dim, int icon, EventType eventType)
{
if ( eventType == EVENT_NULL ) eventType = GetUniqueEventType();
CControl::Create(pos, dim, icon, eventType);
return true;
}
// Management of an event.
bool CTarget::EventProcess(const Event &event)
{
CObject* pObj;
if ( (m_state & STATE_VISIBLE) == 0 ) return true;
if ( m_state & STATE_DEAD ) return true;
CControl::EventProcess(event);
if ( event.type == EVENT_MOUSE_MOVE || event.type == EVENT_MOUSE_BUTTON_DOWN || event.type == EVENT_MOUSE_BUTTON_UP )
{
m_main->SetFriendAim(false);
if ( CControl::Detect(event.mousePos) )
{
pObj = DetectFriendObject(event.mousePos);
if ( pObj == nullptr )
{
m_engine->SetMouseType(Gfx::ENG_MOUSE_TARGET);
m_event->AddEvent(Event(m_eventType));
}
else
{
m_main->SetFriendAim(true);
m_engine->SetMouseType(Gfx::ENG_MOUSE_NORM);
}
}
}
if (event.type == EVENT_MOUSE_BUTTON_DOWN &&
event.GetData<MouseButtonEventData>()->button == MOUSE_BUTTON_LEFT &&
(m_state & STATE_VISIBLE) &&
(m_state & STATE_ENABLE))
{
if ( CControl::Detect(event.mousePos) )
{
if ( !m_main->GetFriendAim() )
{
m_event->AddEvent(Event(EVENT_OBJECT_FIRE));
return false;
}
}
}
return true;
}
// Draws button.
void CTarget::Draw()
{
// It is completely invisible!
}
// Returns the tooltip.
bool CTarget::GetTooltip(Math::Point pos, std::string &name)
{
if ( (m_state & STATE_VISIBLE) == 0 ) return false;
if ( (m_state&STATE_VISIBLE) && Detect(pos) ) // in the window?
{
if ( !m_main->GetFriendAim() )
{
m_tooltip = name;
return true; // does not detect objects below!
}
}
return false;
}
// Detects the object aimed by the mouse.
CObject* CTarget::DetectFriendObject(Math::Point pos)
{
int objRank = m_engine->DetectObject(pos);
for (CObject* obj : CObjectManager::GetInstancePointer()->GetAllObjects())
{
CObject* target = obj;
if ( obj->Implements(ObjectInterfaceType::PowerContainer) && IsObjectBeingTransported(obj) )
{
target = dynamic_cast<CTransportableObject*>(obj)->GetTransporter();
}
if ( !target->GetDetectable() ) continue;
if ( target->GetProxyActivate() ) continue;
if ( target->Implements(ObjectInterfaceType::Controllable) && dynamic_cast<CControllableObject*>(target)->GetSelect() ) continue;
if ( !m_main->IsSelectable(target) ) continue;
if (!target->Implements(ObjectInterfaceType::Old)) continue; // TODO: To be removed after COldObjectInterface is gone
for (int j=0 ; j<OBJECTMAXPART ; j++ )
{
int rank = obj->GetObjectRank(j);
if ( rank == -1 ) continue;
if ( rank != objRank ) continue;
return target;
}
}
return nullptr;
}
}