#include "Bullet.h"
#include "Crawler.h"
#include "DEFINES.h"

INCLUDE_ANIMATION_DATA
INCLUDE_game

Bullet::Bullet(vf2d pos,vf2d vel,float radius,int damage,bool friendly,Pixel col)
	:pos(pos),vel(vel),radius(radius),damage(damage),col(col),friendly(friendly){};

Bullet::Bullet(vf2d pos,vf2d vel,float radius,int damage,AnimationState animation,bool hitsMultiple,float lifetime,bool rotatesWithAngle,bool friendly,Pixel col)
	:pos(pos),vel(vel),radius(radius),damage(damage),col(col),animated(true),rotates(rotatesWithAngle),lifetime(lifetime),hitsMultiple(hitsMultiple),friendly(friendly){
	this->animation.AddState(animation,ANIMATION_DATA[animation]);
	this->animation.ChangeState(internal_animState,animation);
};

Animate2D::Frame Bullet::GetFrame(){
	return animation.GetFrame(internal_animState);
}

void Bullet::UpdateFadeTime(float fElapsedTime)
{
	if(fadeOutTime>0){
		if(fadeOutTimer==0){
			lifetime=fadeOutTime;
		}
		fadeOutTimer+=fElapsedTime;
	}
}

void Bullet::Update(float fElapsedTime){}

void Bullet::Draw(){
	auto lerp=[](uint8_t f1,uint8_t f2,float t){return uint8_t((float(f2)*t)+f1*(1-t));};

	if(animated){
		game->view.DrawPartialRotatedDecal(pos,GetFrame().GetSourceImage()->Decal(),rotates?atan2(vel.y,vel.x)-PI/2:0,GetFrame().GetSourceRect().size/2,GetFrame().GetSourceRect().pos,GetFrame().GetSourceRect().size,{1,1},fadeOutTime==0?col:Pixel{col.r,col.g,col.b,lerp(col.a,0,1-((fadeOutTime-fadeOutTimer)/fadeOutTime))});		
	} else {
		game->view.DrawDecal(pos,game->GFX_BulletCircle.Decal(),{radius,radius},fadeOutTime==0?col:Pixel{col.r,col.g,col.b,lerp(col.a,0,1-((fadeOutTime-fadeOutTimer)/fadeOutTime))});
		game->view.DrawDecal(pos,game->GFX_BulletCircleOutline.Decal(),{radius,radius},fadeOutTime==0?WHITE:Pixel{WHITE.r,WHITE.g,WHITE.b,lerp(WHITE.a,0,1-((fadeOutTime-fadeOutTimer)/fadeOutTime))});
	}
}

bool Bullet::PlayerHit(Player&player){return true;}
bool Bullet::MonsterHit(Monster&monster){return true;}