#include "../config.h"

#include "particles.h"

#include <azur/azur.h>
#include <azur/gint/render.h>

#include <cstdint>
#include <stdlib.h> 

#include <num/num.h>


extern bopti_image_t img_fill_circ;
extern bopti_image_t img_firstboom;


Particle::Particle( uint16_t lx, uint16_t ly, uint8_t id )
{
    x = libnum::num( lx );
    y = libnum::num( ly );

    sx = (libnum::num( rand() % 21 - 10 )) / 8;
    sy = (libnum::num( rand() % 21 - 10 )) / 8;

    ID=id;

    age = 0;
    
    if (ID==0) incage = libnum::num(1);
    else incage = libnum::num( 1+ rand() % 2);

    maxage = libnum::num( 30 + ( rand() % 25 ) );
    
    size = libnum::num( 3 + ( rand() % 5 ) ); 
    
    toberemoved = false;
}

Particle::~Particle()
{


}

void Particle::Update( float dt )
{
    libnum::num a = libnum::num( dt / 12000.0f );
    x += sx * a;
    y += sy * a;
    //age += libnum::num( dt / 12000.0f );
    age += libnum::num( dt / 12000.0f ) * incage;
    sx *= libnum::num( 0.90 );
    sy *= libnum::num( 0.90 );

    if( age > maxage ) size *= libnum::num( 0.85 );
    if( size < libnum::num( 1.0f ) ) toberemoved = true;
}

void Particle::Render( )
{
    uint8_t dximg = (int) ( size - libnum::num( 1 ) ) * 15;  
    uint8_t sz = (int) size;

    uint16_t px = (int) x;
    uint16_t py = (int) y;

    if (ID==0 && age<5)
    {
        azrp_image_p8( px-12, py-12, &img_firstboom, DIMAGE_NONE );
        return;
    }

    if (age>=10)
    {
        int color;

        if ( age > 40 ) color = 0x526A;          // Dark Purple Gray-ish
        else if ( age > 35 ) color = 0x71D6;     // Red Brown -ish
        else if ( age > 30 ) color = 0xF80D;     // Dark Red
        else if ( age > 25 ) color = 0xFB80;     // Red
        else if ( age > 30 ) color = 0xFFE0;     // Yellow
        else color = 0xFFFF;                            // White
        
        azrp_subimage_p8_dye( px-sz, py-sz, &img_fill_circ, dximg+7-sz, 7-sz, sz*2, sz*2, IMAGE_DYE, color );   
    }
}