116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/**
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* Copyright (C) 2005-2012 Gekko Emulator
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*
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* @file common_types.h
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* @author ShizZy <shizzy247@gmail.com>
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* @date 2012-02-11
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* @brief Common types used throughout the project
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*
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* @section LICENSE
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details at
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* http://www.gnu.org/copyleft/gpl.html
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*
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* Official project repository can be found at:
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* http://code.google.com/p/gekko-gc-emu/
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*/
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#pragma once
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#include <cmath>
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#include <cstdint>
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#include <cstdlib>
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#ifdef _MSC_VER
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#ifndef __func__
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#define __func__ __FUNCTION__
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#endif
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#endif
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typedef std::uint8_t u8; ///< 8-bit unsigned byte
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typedef std::uint16_t u16; ///< 16-bit unsigned short
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typedef std::uint32_t u32; ///< 32-bit unsigned word
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typedef std::uint64_t u64; ///< 64-bit unsigned int
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typedef std::int8_t s8; ///< 8-bit signed byte
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typedef std::int16_t s16; ///< 16-bit signed short
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typedef std::int32_t s32; ///< 32-bit signed word
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typedef std::int64_t s64; ///< 64-bit signed int
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typedef float f32; ///< 32-bit floating point
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typedef double f64; ///< 64-bit floating point
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// TODO: It would be nice to eventually replace these with strong types that prevent accidental
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// conversion between each other.
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typedef u32 VAddr; ///< Represents a pointer in the userspace virtual address space.
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typedef u32 PAddr; ///< Represents a pointer in the ARM11 physical address space.
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/// Union for fast 16-bit type casting
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union t16 {
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u8 _u8[2]; ///< 8-bit unsigned char(s)
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u16 _u16; ///< 16-bit unsigned shorts(s)
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};
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/// Union for fast 32-bit type casting
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union t32 {
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f32 _f32; ///< 32-bit floating point(s)
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u32 _u32; ///< 32-bit unsigned int(s)
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s32 _s32; ///< 32-bit signed int(s)
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u16 _u16[2]; ///< 16-bit unsigned shorts(s)
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u8 _u8[4]; ///< 8-bit unsigned char(s)
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};
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/// Union for fast 64-bit type casting
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union t64 {
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f64 _f64; ///< 64-bit floating point
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u64 _u64; ///< 64-bit unsigned long
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f32 _f32[2]; ///< 32-bit floating point(s)
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u32 _u32[2]; ///< 32-bit unsigned int(s)
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s32 _s32[2]; ///< 32-bit signed int(s)
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u16 _u16[4]; ///< 16-bit unsigned shorts(s)
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u8 _u8[8]; ///< 8-bit unsigned char(s)
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};
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// An inheritable class to disallow the copy constructor and operator= functions
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class NonCopyable {
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protected:
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NonCopyable() = default;
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~NonCopyable() = default;
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NonCopyable(NonCopyable&) = delete;
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NonCopyable& operator=(NonCopyable&) = delete;
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};
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namespace Common {
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/// Rectangle data structure
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class Rect {
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public:
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Rect(int x0=0, int y0=0, int x1=0, int y1=0) {
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x0_ = x0;
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y0_ = y0;
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x1_ = x1;
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y1_ = y1;
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}
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~Rect() { }
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int x0_; ///< Rect top left X-coordinate
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int y0_; ///< Rect top left Y-coordinate
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int x1_; ///< Rect bottom left X-coordinate
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int y1_; ///< Rect bottom right Y-coordinate
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inline u32 width() const { return std::abs(x1_ - x0_); }
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inline u32 height() const { return std::abs(y1_ - y0_); }
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inline bool operator == (const Rect& val) const {
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return (x0_ == val.x0_ && y0_ == val.y0_ && x1_ == val.x1_ && y1_ == val.y1_);
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}
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};
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}
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