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31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
#ifndef COMMONMACROS_H
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#define COMMONMACROS_H
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#pragma once
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// -------------------------------------------------------
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//
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// commonmacros.h
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//
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// This should contain ONLY general purpose macros that are
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// appropriate for use in engine/launcher/all tools
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//
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// -------------------------------------------------------
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#include "osconfig.h"
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// Makes a 4-byte "packed ID" int out of 4 characters
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#define MAKEID(d,c,b,a) ( ((int)(a) << 24) | ((int)(b) << 16) | ((int)(c) << 8) | ((int)(d)) )
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// Compares a string with a 4-byte packed ID constant
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#define STRING_MATCHES_ID( p, id ) ( (*((int *)(p)) == (id) ) ? true : false )
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#define ID_TO_STRING( id, p ) ( (p)[3] = (((id)>>24) & 0xFF), (p)[2] = (((id)>>16) & 0xFF), (p)[1] = (((id)>>8) & 0xFF), (p)[0] = (((id)>>0) & 0xFF) )
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#define ARRAYSIZE(p) (sizeof(p)/sizeof(p[0]))
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// Keeps clutter down a bit, when using a float as a bit-vector
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#define SetBits(flBitVector, bits) ((flBitVector) = (int)(flBitVector) | (bits))
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#define ClearBits(flBitVector, bits) ((flBitVector) = (int)(flBitVector) & ~(bits))
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#define FBitSet(flBitVector, bit) ((int)(flBitVector) & (bit))
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#endif // COMMONMACROS_H
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