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