148 lines
3.7 KiB
C++
148 lines
3.7 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://gnu.org/licenses
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*/
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#include "object/task/taskturn.h"
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#include "graphics/engine/engine.h"
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#include "graphics/engine/terrain.h"
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#include "level/robotmain.h"
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#include "object/old_object.h"
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#include "object/subclass/base_alien.h"
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#include "physics/physics.h"
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// Object's constructor.
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CTaskTurn::CTaskTurn(COldObject* object) : CForegroundTask(object)
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{
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}
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// Object's destructor.
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CTaskTurn::~CTaskTurn()
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{
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}
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// Management of an event.
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bool CTaskTurn::EventProcess(const Event &event)
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{
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if ( m_engine->GetPause() ) return true;
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if ( event.type != EVENT_FRAME ) return true;
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// Momentarily stationary object (ant on the back)?
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CBaseAlien* alien = dynamic_cast<CBaseAlien*>(m_object);
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if ( alien != nullptr && alien->GetFixed() )
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{
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m_physics->SetMotorSpeedX(0.0f); // stops the advance
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m_physics->SetMotorSpeedZ(0.0f); // stops the rotation
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m_bError = true;
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return true;
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}
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return true;
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}
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// Assigns the goal was achieved.
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// A positive angle is turning right.
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Error CTaskTurn::Start(float angle)
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{
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m_startAngle = m_object->GetRotationY();
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m_finalAngle = m_startAngle+angle;
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if ( angle < 0.0f )
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{
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m_angle = angle+m_physics->GetCirStopLength();
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m_physics->SetMotorSpeedZ(-1.0f); // turns left
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m_bLeft = true;
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}
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else
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{
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m_angle = angle-m_physics->GetCirStopLength();
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m_physics->SetMotorSpeedZ(1.0f); // turns right
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m_bLeft = false;
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}
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m_physics->SetMotorSpeedX(0.0f);
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m_physics->SetMotorSpeedY(0.0f);
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m_bError = false;
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return ERR_OK;
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}
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// Indicates whether the action is finished.
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Error CTaskTurn::IsEnded()
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{
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float angle;
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if ( m_engine->GetPause() ) return ERR_CONTINUE;
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if ( m_bError )
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{
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return ERR_STOP;
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}
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angle = m_object->GetRotationY();
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if ( m_bLeft )
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{
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if ( angle <= m_finalAngle )
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{
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m_physics->SetMotorSpeedZ(0.0f);
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//? m_physics->SetCirMotionY(MO_MOTSPEED, 0.0f);
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m_physics->SetCirMotionY(MO_CURSPEED, 0.0f);
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//? m_physics->SetCirMotionY(MO_REASPEED, 0.0f);
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m_object->SetRotationY(m_finalAngle);
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return ERR_STOP;
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}
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if ( !m_bDecel && angle <= m_startAngle+m_angle)
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{
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m_bDecel = true;
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m_physics->SetMotorSpeedZ(-0.5f);
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}
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}
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else
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{
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if ( angle >= m_finalAngle )
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{
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m_physics->SetMotorSpeedZ(0.0f);
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//? m_physics->SetCirMotionY(MO_MOTSPEED, 0.0f);
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m_physics->SetCirMotionY(MO_CURSPEED, 0.0f);
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//? m_physics->SetCirMotionY(MO_REASPEED, 0.0f);
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m_object->SetRotationY(m_finalAngle);
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return ERR_STOP;
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}
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if ( !m_bDecel && angle >= m_startAngle+m_angle)
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{
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m_bDecel = true;
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m_physics->SetMotorSpeedZ(0.5f);
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}
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}
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return ERR_CONTINUE;
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}
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