/******************************************************************************
*	File		-	common_defs.h
*	Author		-	Joey Pollack
*	Date		-	2022/05/11 (y/m/d)
*	Mod Date	-	2022/05/11 (y/m/d)
*	Description	-	Common definitions for the engine
******************************************************************************/

#ifndef LUNARIUM_COMMON_DEFS_H_
#define LUNARIUM_COMMON_DEFS_H_

// intrinsic type short-hands
// The idea for this was taken from the KOHI engine
// https://github.com/travisvroman/kohi
typedef unsigned char       u8;
typedef unsigned short      u16;
typedef unsigned int        u32;
typedef unsigned long long  u64;

typedef char       i8;
typedef short      i16;
typedef int        i32;
typedef long long  i64;

typedef float   f32;
typedef double  f64;

// verify the type sizes
static_assert(sizeof(u8) == 1, "Expected u8 to be 1 byte");
static_assert(sizeof(u16) == 2, "Expected u16 to be 2 bytes");
static_assert(sizeof(u32) == 4, "Expected u32 to be 4 bytes");
static_assert(sizeof(u64) == 8, "Expected u64 to be 8 bytes");

static_assert(sizeof(i8) == 1, "Expected i8 to be 1 byte");
static_assert(sizeof(i16) == 2, "Expected i16 to be 2 bytes");
static_assert(sizeof(i32) == 4, "Expected i32 to be 4 bytes");
static_assert(sizeof(i64) == 8, "Expected i64 to be 8 bytes");

static_assert(sizeof(f32) == 4, "Expected f32 to be 4 bytes");
static_assert(sizeof(f64) == 8, "Expected f64 to be 8 bytes");


// Platform detection
#if defined(_WIN32) || defined(_WIN64)
    #define LPLATFORM_WINDOWS
#elif defined(__linux__) || defined(__gnu_linux__)
    #define LPLATFORM_LINUX
#else
    #error "Unsupported platform. Must build on windows or linux"
#endif

#endif  // LUNARIUM_COMMON_DEFS_H_