colobot/colobot-base/object/auto/autoflag.cpp

133 lines
2.9 KiB
C++

/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2023, 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 "object/auto/autoflag.h"
#include "graphics/engine/engine.h"
#include "graphics/engine/terrain.h"
#include "math/geometry.h"
#include "object/old_object.h"
// Object's constructor.
CAutoFlag::CAutoFlag(COldObject* object) : CAuto(object)
{
Init();
}
// Object's destructor.
CAutoFlag::~CAutoFlag()
{
}
// Destroys the object.
void CAutoFlag::DeleteObject(bool bAll)
{
CAuto::DeleteObject(bAll);
}
// Initialize the object.
void CAutoFlag::Init()
{
glm::vec3 wind;
float angle;
m_time = 0.0f;
m_param = 0;
m_progress = 0.0f;
wind = m_terrain->GetWind();
angle = Math::RotateAngle(wind.x, -wind.z);
m_object->SetRotationY(angle); // directs the flag in the wind
m_strong = glm::length(wind);
}
// Beginning of an action (1 = shakes).
void CAutoFlag::Start(int param)
{
if ( m_param == 0 )
{
m_param = param;
m_progress = 0.0f;
}
}
// Management of an event.
bool CAutoFlag::EventProcess(const Event &event)
{
float angle;
int i;
CAuto::EventProcess(event);
if ( m_engine->GetPause() ) return true;
if ( event.type != EVENT_FRAME ) return true;
if ( m_param == 1 ) // shakes?
{
m_progress += event.rTime*(1.0f/2.0f);
if ( m_progress < 1.0f )
{
angle = sinf(m_progress*Math::PI*8.0f)*0.3f*(1.0f-m_progress);
m_object->SetRotationX(angle);
angle = sinf(m_progress*Math::PI*4.0f)*0.3f*(1.0f-m_progress);
m_object->SetRotationZ(angle);
}
else
{
m_object->SetRotationX(0.0f);
m_object->SetRotationZ(0.0f);
m_param = 0;
m_progress = 0.0f;
}
}
if ( m_strong == 0.0f ) return true; // no wind?
for ( i=0 ; i<4 ; i++ )
{
angle = sinf(m_time*6.0f+i*2.0f)*((i+2.0f)*0.1f);
m_object->SetPartRotationY(1+i, angle);
}
return true;
}
// Returns an error due the state of the automation
Error CAutoFlag::GetError()
{
return ERR_OK;
}