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42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
//====== Copyright <20> 1996-2005, Valve Corporation, All rights reserved. =======//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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// worldsize.h -- extent of world and resolution/size of coordinate messages used in engine
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#ifndef WORLDSIZE_H
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#define WORLDSIZE_H
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#pragma once
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// These definitions must match the coordinate message sizes in coordsize.h
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// Following values should be +65536, -65536, +15/16, -15/16
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#define MAX_COORD_INTEGER (65536)
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#define MIN_COORD_INTEGER (-MAX_COORD_INTEGER)
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#define MAX_COORD_FRACTION (1.0-(1.0/16.0))
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#define MIN_COORD_FRACTION (-1.0+(1.0/16.0))
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#define MAX_COORD_FLOAT (65536.0f)
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#define MIN_COORD_FLOAT (-MAX_COORD_FLOAT)
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// Width of the coord system, which is TOO BIG to send as a client/server coordinate value
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#define COORD_EXTENT (2*MAX_COORD_INTEGER)
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// Maximum traceable distance ( assumes cubic world and trace from one corner to opposite )
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// COORD_EXTENT * sqrt(3)
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#define MAX_TRACE_LENGTH ( 1.732050807569 * COORD_EXTENT )
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// This value is the LONGEST possible range (limited by max valid coordinate number, not 2x)
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#define MAX_COORD_RANGE (MAX_COORD_INTEGER)
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#define TEST_COORD( v ) (((v).x>=MIN_COORD_INTEGER*2) && ((v).x<=MAX_COORD_INTEGER*2) && \
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((v).y>=MIN_COORD_INTEGER*2) && ((v).y<=MAX_COORD_INTEGER*2) && \
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((v).z>=MIN_COORD_INTEGER*2) && ((v).z<=MAX_COORD_INTEGER*2))
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#define ASSERT_COORD( v ) Assert( TEST_COORD( v ) );
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#endif // WORLDSIZE_H
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