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/*
 * Rune Game Engine
 * Copyright 2024 Danny Holman <dholman@gymli.org>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */

#ifndef RUNE_UTIL_UTIL_H
#define RUNE_UTIL_UTIL_H

#include <assert.h>
#include <stddef.h>
#include <stdint.h>

/// Use the compiler-specific version of static_assert
#if defined(__clang__) || defined(__gcc__)
        #define STATIC_ASSERT _Static_assert
#else
        #define STATIC_ASSERT static_assert
#endif

/// GLFW requires this to enable dynamic linking on Windows
#if _WIN32
#define GLFW_DLL 1
#endif

/// Make API functions visible outside of the library
#ifdef RAPI_EXPORT
        #ifdef _WIN32
                #define RAPI __declspec(dllexport)
        #else
                #define RAPI __attribute__((visibility("default")))
        #endif
#else
        #ifdef _WIN32
                #define RAPI __declspec(dllimport)
        #else
                #define RAPI
        #endif
#endif

/**
 * \brief Clamps a value between two floating point values
 * \param[in] x Value to be clamped
 * \param[in] min Floor value
 * \param[in] max Ceiling value
 * \return One of min, max or x
 */
static inline float clamp(float x, float min, float max) {
        if (x < min)
                return min;
        if (x > max)
                return max;
        return x;
}

#endif