ThreatsObject.cpp

#include "ThreatsObject.h"
#include "MainObject.h"
#include <SDL_image.h>
#include "all_anh_qui.h"

using namespace std;

ThreatsObject::ThreatsObject()
{
    width_frame_=0;
    height_frame_=0;

    x_change=0.0;
    y_change=0.0;

    x_qui_pos=0.0;
    y_qui_pos=0.0;

    tren_mat_dat=false;

    frame_=0;
    come_back_time_=0;

    gioihan_trai=0;
    gioihan_phai=0;
    trang_thai_qui.sang_trai=1;
    solantrungdan = 0 ;
}

ThreatsObject::~ThreatsObject()
{

}

bool ThreatsObject:: LoadImage(const string& path, SDL_Renderer* screen)
{
    bool ret = BaseObject::LoadImage(path,screen);
    if(ret)
    {
        width_frame_ = rect_.w/THREATS_FRAME_NUM;
        height_frame_ = rect_.h;
    }
    return ret;
}

void ThreatsObject::set_clips()// tao clip chuyen dong
{
    if(width_frame_>0&&height_frame_>0)
    {
        for(int i=0; i<THREATS_FRAME_NUM; i++)
        {
            frame_clips[i].w = width_frame_;
            frame_clips[i].h = height_frame_;
            frame_clips[i].y = 0;
            frame_clips[i].x = i*width_frame_;
        }
    }
}

void ThreatsObject::ShowQui(SDL_Renderer* des)// in ra man hinh
{
    if(come_back_time_==0)
    {
        rect_.x = x_qui_pos - map_x_qui;
        rect_.y = y_qui_pos - map_y_qui;
        frame_++;// tang lien tuc
        if( frame_ >= THREATS_FRAME_NUM ) frame_=0;

        SDL_Rect* currentClip = &frame_clips[frame_];
        SDL_Rect quad = {rect_.x, rect_.y, width_frame_, height_frame_};

        if ( trang_thai_qui.sang_phai == 1 ) SDL_RenderCopy( des, tat_ca_anh_qui[diphai].GetTexture(), currentClip, &quad);
        else SDL_RenderCopy( des, tat_ca_anh_qui[ditrai].GetTexture(), currentClip, &quad);
    }
}

void ThreatsObject:: DICHUYEN_QUI( MAP& map_data )// xu li di chuyen cho qui
{
    if(come_back_time_==0)
    {
        x_change=0;
        y_change+=0.8;// toc do roi cua qui
        if( y_change >=30 ) y_change=30;
        if(trang_thai_qui.sang_trai==1) x_change -= TOC_DO_QUI;
        else if(trang_thai_qui.sang_phai==1) x_change += TOC_DO_QUI;
        checktomap_qui( map_data );
    }
    else if(come_back_time_>0)
    {
        come_back_time_--;
        if(come_back_time_==0) khoitaoqui();
    }
}

void ThreatsObject::khoitaoqui()
{
    srand((int)time(nullptr));
    int x = rand() % 5120; //cout<<x<<" ";
    x_change = 0;
    y_change = 0;
    x_qui_pos = x;
    y_qui_pos = 0;
    gioihan_trai -= 256;
    gioihan_phai -= 256;
    int huong = rand() % 2;
    trang_thai_qui.sang_trai = huong;

}

//kiem tra va cham voi ban do
void ThreatsObject::checktomap_qui( MAP&map_data )
{
    int x1=0,x2=0; // gioi han kiem tra ngang // theo o vuong
    int y1=0,y2=0;                     //doc

    // kiem tra theo chieu ngang--------------------------
    // chieu cao nho nhat // chieu cao frame hay chieu cao o=64
    int height_min=min(height_frame_,TILE_SIZE);

    // tim o hien tai dang dung la oo bao nhieu
    int sai_so_can_co=1;
    x1=(x_qui_pos+x_change)/TILE_SIZE;
    x2=(x_qui_pos+x_change+width_frame_ -sai_so_can_co)/TILE_SIZE;
    y1=(y_qui_pos+y_change)/TILE_SIZE;
    y2=(y_qui_pos+y_change+height_min-sai_so_can_co)/TILE_SIZE;

    //kiem tra theo x1,x2,y1,y2 co o trong ban do hay ko
    if( x1>=0 && x2 < MAX_MAP_X && y1>=0 && y2 < MAX_MAP_Y ) // nhan vat o trong ban do
    {
        if(x_change>0)//di sang phai
        {
            int val1=map_data.tile[y1][x2];
            int val2=map_data.tile[y2][x2];
            if((val1!=O_TRONG&&val1!=4)||(val2!=O_TRONG&&val2!=4))// kiem tra xem ban do cho do co trong hay ko
            {
                x_qui_pos = x2*TILE_SIZE-width_frame_-sai_so_can_co;//khi va cham thi phai tra lai vi tri cu
                va_bando = cham_phai;
            }
        }
        else if(x_change < 0)//sang trai
        {
            int val1 = map_data.tile[y1][x1];
            int val2 = map_data.tile[y2][x1];
            if(( val1!= O_TRONG && val1!=4)||(val2!= O_TRONG && val2!=4))
            {
                x_qui_pos = (x1+sai_so_can_co)*TILE_SIZE;
                va_bando = cham_trai;
            }
        }
    }
    // kiem tra theo chieu doc--------------------------------
    int width_min=min(width_frame_,TILE_SIZE);

    x1=( x_qui_pos + 27 )/TILE_SIZE;
    x2=( x_qui_pos + width_min - 27)/TILE_SIZE;
    y1=(y_qui_pos+y_change)/TILE_SIZE;
    y2=(y_qui_pos+y_change+height_frame_-sai_so_can_co)/TILE_SIZE;
    if( x1>=0 && x2 < MAX_MAP_X && y1>=0 && y2 < MAX_MAP_Y)
    {
        if(y_change > 0)                                            // di xuong //roi xuong
        {
            int val1 = map_data.tile[y2][x1];
            int val2 = map_data.tile[y2][x2];
            if((val1!=O_TRONG&&val1!=4)||(val2!=O_TRONG&&val2!=4))
            {
                y_qui_pos = y2*TILE_SIZE-height_frame_-sai_so_can_co;
                y_change = 0;
                tren_mat_dat = true;
            }
        }
        else if(y_change < 0)                                         // nhay len
        {
            int val1 = map_data.tile[y1][x1];
            int val2 = map_data.tile[y1][x2];
            if((val1 != O_TRONG && val1!=4)||(val2!=O_TRONG&&val2!=4))
            {
                y_qui_pos = ( y1 + sai_so_can_co )*TILE_SIZE;
                y_change = 0;
            }
        }
    }
    // neu ko xay ra va cham voi cai nao
    x_qui_pos += x_change;
    y_qui_pos += y_change;
    if(x_qui_pos<0)
    {
        x_qui_pos = 0;
        va_bando = cham_trai;
    }
    if(x_qui_pos + width_frame_ > map_data.max_x_) x_qui_pos = map_data.max_x_ - width_frame_ - sai_so_can_co;
    if( y_qui_pos >= map_data.max_y_ ) come_back_time_ = 10;
}

void ThreatsObject::Di_chuyen_trong_pham_vi( SDL_Renderer* screen, MAP& map_data )
{
    if(tren_mat_dat == true)
    {
        //if( x_qui_pos < gioihan_phai && va_bando == cham_phai )
        if( va_bando == cham_phai ) set_trang_thai_trai(1);
        else if ( va_bando == cham_trai ) set_trang_thai_phai(1);
        else if ( x_qui_pos > gioihan_phai) set_trang_thai_trai(1);
        else if ( x_qui_pos < gioihan_trai) set_trang_thai_phai(1);
    }
    else
    {
        int a = rand() % 2 ;
        if( a == 0) set_trang_thai_phai(1);
        else set_trang_thai_trai(1);
    }
}


void ThreatsObject::init_dan_qui (BulletObject* dan_qui, SDL_Renderer* screen)// khoi tao vien dan
{
    if(dan_qui != nullptr)
    {
        dan_qui->set_loai_dan( BulletObject::DAN_QUI_THUONG );
        dan_qui->TAI_ANH_DAN(screen);
        if( trang_thai_qui.sang_trai == 1 )
        {
            dan_qui->set_huongdan( BulletObject :: ban_dan_trai );
            dan_qui->SetRect(rect_.x-20, y_qui_pos+10);
        }
        else if( trang_thai_qui.sang_phai == 1 )
        {
            dan_qui->set_huongdan( BulletObject :: ban_dan_phai);
            dan_qui->SetRect( rect_.x + 15, y_qui_pos + 10 );
        }
        dan_qui->set_x_biendoi(15);
        bang_dan_qui.push_back(dan_qui);
    }
    else cout<<"failed to load anh trai qui"<<endl;
}

void ThreatsObject::pham_vi_bay_dan_qui( SDL_Renderer* des, const int& x_gioihan, const int& y_gioihan, MAP& map_data)
// xu li ban dan
{
    for(int i=0; i<(int)bang_dan_qui.size(); i++)
    {
        BulletObject* danqui = bang_dan_qui.at(i);// ham at de truy cap vao phan tu thu i // no cung tuong tu [] nhung no kiem tra ranh gioi
        if(danqui!=nullptr)
        {
            int khoang_cach_= abs(rect_.x - danqui->GetRect().x )+ width_frame_+50;
            if( danqui->gettrongmanhinh() == true )// co trong man hinh, cho phep di chuyen
            {
                if(khoang_cach_ < x_gioihan && khoang_cach_ > 0)
                {
                    danqui->pham_vi_dan_bay( x_gioihan, y_gioihan, x_qui_pos, y_qui_pos, map_data);
                    danqui->Render(des);
                }
                else danqui->settrongmanhinh(false);

            }
            else
            {
                danqui->settrongmanhinh(true);
                if(trang_thai_qui.sang_trai == 1)
                {
                    danqui->SetRect(this->rect_.x-10,this->rect_.y+height_frame_*0.3);
                    danqui->set_huongdan(BulletObject::ban_dan_trai);
                }
                else if(trang_thai_qui.sang_phai == 1)
                {
                    danqui->SetRect( this->rect_.x + width_frame_ - 30, this->rect_.y + height_frame_*0.3);
                    danqui->set_huongdan(BulletObject::ban_dan_phai);
                }
                danqui->set_x_biendoi(20);
            }
        }
    }
}

SDL_Rect ThreatsObject:: GetRectFrame()
{
    SDL_Rect rect;
    rect.x = rect_.x;
    rect.y = rect_.y;
    rect.h = height_frame_;
    rect.w = width_frame_;
    return rect;
}
void ThreatsObject::loaiboviendan(const int& index)
{
    int size1 = bang_dan_qui.size();
    if( size1 > 0 && index < size1)
    {
        BulletObject* viendan = bang_dan_qui.at(index);
        bang_dan_qui.erase( bang_dan_qui.begin() + index);
        if( viendan)
        {
            delete viendan;
            viendan = nullptr;
        }
    }
}