Animation.cpp

#include "Animation.hpp"

namespace Framework {
	AnimationHandler::AnimationHandler(const Framework::Spritesheet& _spritesheet, Animation _animation, float time_offset, Framework::vec2 _position_offset) : spritesheet(_spritesheet) {
		animation = _animation;
		current_time = time_offset;
		position_offset = _position_offset;
	}

	void AnimationHandler::update(float dt) {
		current_time += dt;
		float t = animation.at(current_index).duration;
		while (current_time >= t) {
			current_time -= t;
			current_index++;
			current_index %= animation.size();
			t = animation.at(current_index).duration;
		}
	}

	void AnimationHandler::render(Framework::vec2 position) {
		const AnimationFrame& current_frame = animation.at(current_index);
		spritesheet.sprite(current_frame.index, position + position_offset, current_frame.transform);
	}

	MultiTileAnimationHandler::MultiTileAnimationHandler(const Framework::Spritesheet& _spritesheet, MultiTileAnimation _animation, float time_offset, Framework::vec2 _position_offset) {
		for (const auto& [position, animation] : _animation) {
			animations.push_back(AnimationHandler(_spritesheet, animation, time_offset, position + _position_offset));
		}
	}

	void MultiTileAnimationHandler::update(float dt) {
		for (AnimationHandler& animation_handler : animations) {
			animation_handler.update(dt);
		}
	}

	void MultiTileAnimationHandler::render(Framework::vec2 position) {
		for (AnimationHandler& animation_handler : animations) {
			animation_handler.render(position);
		}
	}
}