ld47/include/Spectre.hpp

#pragma once

#include <SFML/Graphics.hpp>
#include <SFML/Audio.hpp>
#include "IEntity.hpp"

#define CHAOS_OVERLAY_THRESHOLD 0.6f
#define CHAOS_CAMERASHAKE_THRESHOLD 0.7f
#define CHAOS_SCALE_THRESHOLD 0.2f

class Player;

class Spectre: public sf::Drawable, public sf::Transformable, public IEntity {
public:
	struct Settings {
		std::string sheet{ "" };
		unsigned frames{ 1 };
		unsigned alt{ 1 };
		float frameDuration{ 1.f };
		float size{ 1.f };
		float scareRange{ 200.f };
		float duration{ 10.f };
		bool scale{ false };
		bool skew{ false };
		bool rotate{ false }; // whether to rotate to the player
		bool rotateRandom{ false }; // whether to rotate randomly
		bool follow{ false }; // whether to follow the player; otherwise move parabolically
		bool overlay{ false }; // whether to sometimes display multiple frames at once
		bool rainbow{ false };
	};
	Spectre() = delete;
	Spectre(Spectre::Settings settings);
	virtual ~Spectre();
	void update(float dt) override;

	static void setMinChaos(float chaos) {
		if (chaos > 1.f) {
			chaos = 1.f;
		}
		if (s_chaos < chaos) {
			s_chaos = chaos;
		}
		s_limit.x = chaos;
	}
	static void setMaxChaos(float chaos) {
		if (chaos < 0.f) {
			chaos = 0.f;
		}
		if (s_chaos > chaos) {
			s_chaos = chaos;
		}
		s_limit.y = chaos;
	}
	static float getMaxChaos() {
		return s_limit.y;
	}
	static void setChaos(float chaos);
	static void addChaos(float chaos);
	static void setPlayer(Player* player);
	static float getChaos();
	void pleaseDie() {
		m_total_clock = 10000.f;
	}
	bool isDead() {
		return m_dead;
	}
private:
	virtual void draw(sf::RenderTarget& rt, sf::RenderStates states) const override;
	Settings m_settings;

	float m_clock{ 0.f };
	float m_total_clock{ 0.f };
	float m_announceClock{ 0.f };
	float m_alpha{ 0.f };
	unsigned m_frame{ 0 };
	std::vector<std::pair<bool, sf::Sprite>> m_sprites;
	static float s_chaos;
	static sf::Vector2f s_limit;
	static Player* s_player;

	bool m_dead{ false };
	sf::Sound m_sound;
	sf::Clock m_scale_clock;

	float m_m1{ -100.f };
	float m_m2{ -100.f };
	float m_x{ 0.f };

	float m_rai[3]{ 255.f, 255.f };
	int m_rdir[3]{ 0, 0 };
};