// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// *
// * 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://www.gnu.org/licenses/.

// taskbuild.h

#pragma once


#include "object/task/task.h"
#include "object/object.h"
#include "math/vector.h"



const float BUILDMARGIN = 16.0f;
const int TBMAXLIGHT    = 4;


enum TaskBuildPhase
{
    TBP_TURN    = 1,    // turns
    TBP_MOVE    = 2,    // forward/backward
    TBP_TAKE    = 3,    // takes gun
    TBP_PREP    = 4,    // prepares
    TBP_BUILD   = 5,    // builds
    TBP_TERM    = 6,    // ends
    TBP_RECEDE  = 7,    // back terminal
};



class CTaskBuild : public CTask
{
public:
    CTaskBuild(CObject* object);
    ~CTaskBuild();

    bool        EventProcess(const Event &event);

    Error       Start(ObjectType type);
    Error       IsEnded();
    bool        Abort();

protected:
    Error       FlatFloor();
    bool        CreateBuilding(Math::Vector pos, float angle);
    void        CreateLight();
    void        BlackLight();
    CObject*    SearchMetalObject(float &angle, float dMin, float dMax, float aLimit, Error &err);
    void        DeleteMark(Math::Vector pos, float radius);

protected:
    ObjectType      m_type;                  // type of construction
    CObject*        m_metal;                 // transforms metal object
    CObject*        m_power;                 // the vehicle battery
    CObject*        m_building;              // building built
    TaskBuildPhase  m_phase;                 // phase of the operation
    bool            m_bError;                // true -> operation impossible
    bool            m_bBuild;                // true -> building built
    bool            m_bBlack;                // true -> lights black -> white
    float           m_time;                  // absolute time
    float           m_lastParticle;          // time of generation last particle
    float           m_progress;              // progression (0..1)
    float           m_speed;                 // speed of progression
    float           m_angleY;                // rotation angle of the vehicle
    float           m_angleZ;                // angle of rotation of the gun
    Math::Vector    m_buildingPos;           // initial position of the building
    float           m_buildingHeight;        // height of the building
    int             m_lightRank[TBMAXLIGHT]; // lights for the effects
    int             m_soundChannel;
};