172 lines
7.5 KiB
C++
172 lines
7.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Contains custom types.
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* \file IceTypes.h
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* \author Pierre Terdiman
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* \date April, 4, 2000
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*/
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Include Guard
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#ifndef __ICETYPES_H__
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#define __ICETYPES_H__
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Things to help us compile on non-windows platforms
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#if defined(__MACOSX__) || defined(__APPLE__)
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#undef bool
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#define bool char
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#undef true
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#define true ((bool)-1)
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#undef false
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#define false ((bool)0)
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#endif // mac stuff
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#define USE_HANDLE_MANAGER
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// Constants
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#define PI 3.1415926535897932384626433832795028841971693993751f //!< PI
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#define HALFPI 1.57079632679489661923f //!< 0.5 * PI
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#define TWOPI 6.28318530717958647692f //!< 2.0 * PI
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#define INVPI 0.31830988618379067154f //!< 1.0 / PI
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#define RADTODEG 57.2957795130823208768f //!< 180.0 / PI, convert radians to degrees
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#define DEGTORAD 0.01745329251994329577f //!< PI / 180.0, convert degrees to radians
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#define EXP 2.71828182845904523536f //!< e
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#define INVLOG2 3.32192809488736234787f //!< 1.0 / log10(2)
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#define LN2 0.693147180559945f //!< ln(2)
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#define INVLN2 1.44269504089f //!< 1.0f / ln(2)
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#define INV3 0.33333333333333333333f //!< 1/3
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#define INV6 0.16666666666666666666f //!< 1/6
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#define INV7 0.14285714285714285714f //!< 1/7
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#define INV9 0.11111111111111111111f //!< 1/9
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#define INV255 0.00392156862745098039f //!< 1/255
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#define SQRT2 1.41421356237f //!< sqrt(2)
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#define INVSQRT2 0.707106781188f //!< 1 / sqrt(2)
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#define SQRT3 1.73205080757f //!< sqrt(3)
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#define INVSQRT3 0.577350269189f //!< 1 / sqrt(3)
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#define null 0 //!< our own NULL pointer
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// Custom types used in ICE
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typedef signed char sbyte; //!< sizeof(sbyte) must be 1
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typedef unsigned char ubyte; //!< sizeof(ubyte) must be 1
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typedef signed short sword; //!< sizeof(sword) must be 2
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typedef unsigned short uword; //!< sizeof(uword) must be 2
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typedef signed int sdword; //!< sizeof(sdword) must be 4
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typedef unsigned int udword; //!< sizeof(udword) must be 4
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typedef signed __int64 sqword; //!< sizeof(sqword) must be 8
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typedef unsigned __int64 uqword; //!< sizeof(uqword) must be 8
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typedef float float32; //!< sizeof(float32) must be 4
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typedef double float64; //!< sizeof(float64) must be 4
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ICE_COMPILE_TIME_ASSERT(sizeof(bool)==1); // ...otherwise things might fail with VC++ 4.2 !
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ICE_COMPILE_TIME_ASSERT(sizeof(ubyte)==1);
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ICE_COMPILE_TIME_ASSERT(sizeof(sbyte)==1);
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ICE_COMPILE_TIME_ASSERT(sizeof(sword)==2);
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ICE_COMPILE_TIME_ASSERT(sizeof(uword)==2);
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ICE_COMPILE_TIME_ASSERT(sizeof(udword)==4);
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ICE_COMPILE_TIME_ASSERT(sizeof(sdword)==4);
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ICE_COMPILE_TIME_ASSERT(sizeof(uqword)==8);
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ICE_COMPILE_TIME_ASSERT(sizeof(sqword)==8);
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//! TO BE DOCUMENTED
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#define DECLARE_ICE_HANDLE(name) struct name##__ { int unused; }; typedef struct name##__ *name
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typedef udword DynID; //!< Dynamic identifier
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#ifdef USE_HANDLE_MANAGER
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typedef udword KID; //!< Kernel ID
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// DECLARE_ICE_HANDLE(KID);
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#else
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typedef uword KID; //!< Kernel ID
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#endif
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typedef udword RTYPE; //!< Relationship-type (!) between owners and references
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#define INVALID_ID 0xffffffff //!< Invalid dword ID (counterpart of null pointers)
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#ifdef USE_HANDLE_MANAGER
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#define INVALID_KID 0xffffffff //!< Invalid Kernel ID
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#else
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#define INVALID_KID 0xffff //!< Invalid Kernel ID
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#endif
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#define INVALID_NUMBER 0xDEADBEEF //!< Standard junk value
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// Define BOOL if needed
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#ifndef BOOL
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typedef int BOOL; //!< Another boolean type.
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#endif
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//! Union of a float and a sdword
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typedef union {
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float f; //!< The float
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sdword d; //!< The integer
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}scell;
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//! Union of a float and a udword
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typedef union {
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float f; //!< The float
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udword d; //!< The integer
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}ucell;
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// Type ranges
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#define MAX_SBYTE 0x7f //!< max possible sbyte value
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#define MIN_SBYTE 0x80 //!< min possible sbyte value
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#define MAX_UBYTE 0xff //!< max possible ubyte value
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#define MIN_UBYTE 0x00 //!< min possible ubyte value
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#define MAX_SWORD 0x7fff //!< max possible sword value
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#define MIN_SWORD 0x8000 //!< min possible sword value
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#define MAX_UWORD 0xffff //!< max possible uword value
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#define MIN_UWORD 0x0000 //!< min possible uword value
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#define MAX_SDWORD 0x7fffffff //!< max possible sdword value
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#define MIN_SDWORD 0x80000000 //!< min possible sdword value
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#define MAX_UDWORD 0xffffffff //!< max possible udword value
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#define MIN_UDWORD 0x00000000 //!< min possible udword value
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#define MAX_FLOAT FLT_MAX //!< max possible float value
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#define MIN_FLOAT (-FLT_MAX) //!< min possible loat value
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#define IEEE_1_0 0x3f800000 //!< integer representation of 1.0
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#define IEEE_255_0 0x437f0000 //!< integer representation of 255.0
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#define IEEE_MAX_FLOAT 0x7f7fffff //!< integer representation of MAX_FLOAT
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#define IEEE_MIN_FLOAT 0xff7fffff //!< integer representation of MIN_FLOAT
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#define IEEE_UNDERFLOW_LIMIT 0x1a000000
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#define ONE_OVER_RAND_MAX (1.0f / float(RAND_MAX)) //!< Inverse of the max possible value returned by rand()
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typedef int (__stdcall* PROC)(); //!< A standard procedure call.
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typedef bool (*ENUMERATION)(udword value, udword param, udword context); //!< ICE standard enumeration call
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typedef void** VTABLE; //!< A V-Table.
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#undef MIN
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#undef MAX
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#define MIN(a, b) ((a) < (b) ? (a) : (b)) //!< Returns the min value between a and b
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#define MAX(a, b) ((a) > (b) ? (a) : (b)) //!< Returns the max value between a and b
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#define MAXMAX(a,b,c) ((a) > (b) ? MAX (a,c) : MAX (b,c)) //!< Returns the max value between a, b and c
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template<class T> inline_ const T& TMin (const T& a, const T& b) { return b < a ? b : a; }
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template<class T> inline_ const T& TMax (const T& a, const T& b) { return a < b ? b : a; }
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template<class T> inline_ void TSetMin (T& a, const T& b) { if(a>b) a = b; }
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template<class T> inline_ void TSetMax (T& a, const T& b) { if(a<b) a = b; }
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#define SQR(x) ((x)*(x)) //!< Returns x square
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#define CUBE(x) ((x)*(x)*(x)) //!< Returns x cube
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#define AND & //!< ...
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#define OR | //!< ...
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#define XOR ^ //!< ...
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#define QUADRAT(x) ((x)*(x)) //!< Returns x square
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#ifdef _WIN32
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# define srand48(x) srand((unsigned int) (x))
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# define srandom(x) srand((unsigned int) (x))
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# define random() ((double) rand())
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# define drand48() ((double) (((double) rand()) / ((double) RAND_MAX)))
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#endif
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#endif // __ICETYPES_H__
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