// ----------------------------------------------------------------

// From Game Programming in C++ by Sanjay Madhav

// Copyright (C) 2017 Sanjay Madhav. All rights reserved.

//

// Released under the BSD License

// See LICENSE in root directory for full details.

// ----------------------------------------------------------------

#include "SpriteComponent.h"

#include "Actor.h"

#include "Game.h"

SpriteComponent::SpriteComponent(Actor* owner, int drawOrder): Component(owner), pTexture(nullptr), mDrawOrder(drawOrder), mTexWidth(0), mTexHeight(0)

{

pOwner->GetGame()->AddSprite(this);

}

SpriteComponent::~SpriteComponent()

{

pOwner->GetGame()->RemoveSprite(this);

}

void SpriteComponent::Draw(SDL_Renderer* renderer)

{

if (pTexture)

{

SDL_Rect r;

// Scale the width/height by owner's scale

r.w = static_cast<int>(mTexWidth * pOwner->GetScale());

r.h = static_cast<int>(mTexHeight * pOwner->GetScale());

// Center the rectangle around the position of the owner

r.x = static_cast<int>(pOwner->GetPosition().x - r.w / 2);

r.y = static_cast<int>(pOwner->GetPosition().y - r.h / 2);

// Draw (have to convert angle from radians to degrees, and clockwise to counter)

SDL_RenderCopyEx(renderer, pTexture, nullptr, &r, -Math::ToDegrees(pOwner->GetRotation()), nullptr, SDL_FLIP_NONE);

}

}

void SpriteComponent::SetTexture(SDL_Texture* texture)

{

pTexture = texture;

// Set width/height

SDL_QueryTexture(texture, nullptr, nullptr, &mTexWidth, &mTexHeight);

}