dialog.hpp

#pragma once

#include <kami.h>

class Dialog {
public:
	float time, duration;
	std::wstring buffer, target;
	klib::Point<int> pos;
	klib::Font font;

	Dialog() = default;
	~Dialog() = default;

	void Create(int x, int y, const char* fontName){
		pos.x = x;
		pos.y = y;
		font.Load(fontName);
	}

	void SetText(std::wstring str, float duration_){
		time = 0.0f;
		duration = duration_;
		target = std::move(str);
		buffer.clear();
		buffer.resize(target.size());
	}

	void Draw(glm::mat4 projection, double dt){
		auto tNormal = time / duration;

		if (tNormal < 1.0){
			buffer = target.substr(0, std::floor(tNormal*target.size()));
			time += dt;
		}

		font.Draw(projection, pos.x, pos.y, buffer.c_str());
	}
};