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154 lines
2.6 KiB
C
154 lines
2.6 KiB
C
//-----------------------------------------------------------------------------
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// V12 Engine
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//
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// Copyright (c) 2001 GarageGames.Com
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// Portions Copyright (c) 2001 by Sierra Online, Inc.
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//-----------------------------------------------------------------------------
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#ifndef _TYPES_H_
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#define _TYPES_H_
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#ifdef __POWERPC__
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#ifndef _TYPESPPC_H_
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#include "Platform/typesPPC.h"
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#endif
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#endif
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#if defined(_WIN32) || defined(WIN32)
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#ifndef _TYPESWIN32_H_
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#include "Platform/typesWin32.h"
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#endif
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#endif
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#ifdef __linux
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#ifndef _TYPESLINUX_H_
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#include "Platform/typesLinux.h"
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#endif
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#endif
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//-------------------------------------- A couple of all-around useful inlines and
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// globals
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//
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U32 getNextPow2(U32 io_num);
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U32 getBinLog2(U32 io_num);
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inline bool isPow2(const U32 in_num)
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{
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return (in_num == getNextPow2(in_num));
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}
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inline U16 endianSwap(const U16 in_swap)
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{
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return U16(((in_swap >> 8) & 0x00ff) |
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((in_swap << 8) & 0xff00));
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}
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inline U32 endianSwap(const U32 in_swap)
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{
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return U32(((in_swap >> 24) & 0x000000ff) |
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((in_swap >> 8) & 0x0000ff00) |
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((in_swap << 8) & 0x00ff0000) |
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((in_swap << 24) & 0xff000000));
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}
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//----------------Many versions of min and max-------------
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//---not using template functions because MS VC++ chokes---
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inline U32 getMin(U32 a, U32 b)
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{
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return a>b ? b : a;
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}
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inline U16 getMin(U16 a, U16 b)
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{
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return a>b ? b : a;
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}
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inline U8 getMin(U8 a, U8 b)
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{
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return a>b ? b : a;
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}
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inline S32 getMin(S32 a, S32 b)
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{
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return a>b ? b : a;
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}
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inline S16 getMin(S16 a, S16 b)
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{
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return a>b ? b : a;
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}
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inline S8 getMin(S8 a, S8 b)
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{
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return a>b ? b : a;
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}
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inline float getMin(float a, float b)
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{
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return a>b ? b : a;
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}
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inline double getMin(double a, double b)
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{
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return a>b ? b : a;
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}
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inline U32 getMax(U32 a, U32 b)
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{
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return a>b ? a : b;
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}
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inline U16 getMax(U16 a, U16 b)
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{
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return a>b ? a : b;
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}
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inline U8 getMax(U8 a, U8 b)
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{
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return a>b ? a : b;
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}
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inline S32 getMax(S32 a, S32 b)
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{
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return a>b ? a : b;
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}
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inline S16 getMax(S16 a, S16 b)
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{
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return a>b ? a : b;
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}
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inline S8 getMax(S8 a, S8 b)
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{
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return a>b ? a : b;
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}
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inline float getMax(float a, float b)
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{
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return a>b ? a : b;
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}
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inline double getMax(double a, double b)
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{
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return a>b ? a : b;
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}
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//-------------------------------------- Use this instead of Win32 FOURCC()
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// macro...
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//
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#define makeFourCCTag(ch0, ch1, ch2, ch3) \
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((U32(U8(ch0)) << 0) | \
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(U32(U8(ch1)) << 8) | \
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(U32(U8(ch2)) << 16) | \
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(U32(U8(ch3)) << 24))
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#define BIT(x) (1 << (x))
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#endif //_NTYPES_H_
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