#include "pch.h"
#include "Player.h"

#include "colors.h"
#include "utils.h"
#include "WorldLevel.h"

Player::Player(const Point2f& Position) : m_Position(Position), m_Size(Point2f{50, 20})
{}

void Player::Draw() const {
	utils::SetColor(Colors::RED);
	utils::DrawRect(Rectf{m_Position.x, m_Position.y, m_Size.x, m_Size.y});
}

void Player::Update(float elapsedTime, const WorldLevel& level) {
	// m_Acc.y += m_Gravity.y;
	// m_Vel.y = std::min(m_Vel.y, m_MaxSpeed);
	//
	// Point2f nextPos = m_Position + m_Vel * elapsedTime;
	// //collision checking
	m_Vel = Point2f{0, -100};

	//check for keys
	if(utils::isKeyDown(SDL_SCANCODE_W)) {
		m_Vel.y = 100;
	}
	if(utils::isKeyDown(SDL_SCANCODE_S)) {
		m_Vel.y = -100;
	}
	if(utils::isKeyDown(SDL_SCANCODE_A)) {
		m_Vel.x = -100;
	}
	if(utils::isKeyDown(SDL_SCANCODE_D)) {
		m_Vel.x = 100;
	}

	Point2f nextPos = m_Position + m_Vel * elapsedTime;
	bool isColliding = false;
	
	auto tiles = level.GetAllTiles();
	for (int x{0}; x < WorldLevel::WORLD_WIDTH; ++x) {
		for (int y{0}; y < WorldLevel::WORLD_HEIGHT; ++y) {
			WorldTile* tile = tiles[x][y];
			if (tile->GetTileType() == GroundTileTypes::Dirt) {
				Rectf tileRect = Rectf{tile->GetPosition().x, tile->GetPosition().y, WorldLevel::TILE_WIDTH, WorldLevel::TILE_HEIGHT};
				if (utils::IsOverlapping(nextPos, m_Size, tileRect)) {
					isColliding = true;
				}
			}
		}
	}

	if(!isColliding) {
		m_Position = nextPos;
	}
}