#pragma once

#include <stdio.h>
#include <cstdlib>
#include <glm/ext/matrix_float4x4.hpp>
#include <glm/ext/quaternion_float.hpp>
#include <glm/ext/vector_float4.hpp>

#define DllExport   __declspec( dllexport ) 

typedef unsigned int uint;

template<class T> struct Array {
    T* data;
    size_t len;
    size_t cap;
    inline T& operator[](int i) { return data[i]; }
};

template<class T> void append(Array<T>& a, T el);
template<class T> T pop(Array<T>& a);
template<class T> void resize(Array<T>& a, size_t new_cap);
template<class T> void clear(Array<T>& a);
bool read_file(Array<char>* out, const char* filepath);
Array<char*> split_str(const char* s, char delimiter);
Array<char*> split_str(const char* s);

glm::mat4 quat_to_mat4(glm::quat q);

template<class T> T lerp(T start, T end, float t) { return t * end + (1 - t) * start; }
template<class T> float ilerp(T start, T end, T pos) { return (pos - start) / (end - start); }

float randf(); // returns a float between 0 and 1