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90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#pragma once
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#include <cstdint>
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#include <cassert>
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namespace irr
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{
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//! 8 bit unsigned variable.
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typedef uint8_t u8;
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//! 8 bit signed variable.
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typedef int8_t s8;
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//! 8 bit character variable.
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/** This is a typedef for char, it ensures portability of the engine. */
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typedef char c8;
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//! 16 bit unsigned variable.
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typedef uint16_t u16;
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//! 16 bit signed variable.
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typedef int16_t s16;
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//! 32 bit unsigned variable.
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typedef uint32_t u32;
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//! 32 bit signed variable.
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typedef int32_t s32;
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//! 64 bit unsigned variable.
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typedef uint64_t u64;
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//! 64 bit signed variable.
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typedef int64_t s64;
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//! 32 bit floating point variable.
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/** This is a typedef for float, it ensures portability of the engine. */
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typedef float f32;
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//! 64 bit floating point variable.
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/** This is a typedef for double, it ensures portability of the engine. */
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typedef double f64;
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} // end namespace irr
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//! Defines for snprintf_irr because snprintf method does not match the ISO C
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//! standard on Windows platforms.
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//! We want int snprintf_irr(char *str, size_t size, const char *format, ...);
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#if defined(_MSC_VER)
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#define snprintf_irr sprintf_s
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#else
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#define snprintf_irr snprintf
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#endif // _MSC_VER
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namespace irr
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{
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//! Type name for character type used by the file system (legacy).
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typedef char fschar_t;
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#define _IRR_TEXT(X) X
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} // end namespace irr
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// Invokes undefined behavior for unreachable code optimization
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// Note: an assert(false) is included first to catch this in debug builds
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#if defined(__cpp_lib_unreachable)
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#include <utility>
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#define IRR_CODE_UNREACHABLE() do { assert(false); std::unreachable(); } while(0)
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#elif defined(__has_builtin)
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#if __has_builtin(__builtin_unreachable)
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#define IRR_CODE_UNREACHABLE() do { assert(false); __builtin_unreachable(); } while(0)
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#endif
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#elif defined(_MSC_VER)
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#define IRR_CODE_UNREACHABLE() do { assert(false); __assume(false); } while(0)
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#endif
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#ifndef IRR_CODE_UNREACHABLE
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#define IRR_CODE_UNREACHABLE() (void)0
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#endif
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//! creates four CC codes used in Irrlicht for simple ids
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/** some compilers can create those by directly writing the
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code like 'code', but some generate warnings so we use this macro here */
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#define MAKE_IRR_ID(c0, c1, c2, c3) \
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((irr::u32)(irr::u8)(c0) | ((irr::u32)(irr::u8)(c1) << 8) | \
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((irr::u32)(irr::u8)(c2) << 16) | ((irr::u32)(irr::u8)(c3) << 24))
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