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Professor Fartsalot
2025-04-15 22:27:20 -04:00
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This file is part of the SourceMod/SourcePawn SDK.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#if defined _float_included
#endinput
#endif
#define _float_included
#if !defined __sourcepawn2__
/**
* Converts an integer into a floating point value.
*
* @param value Integer to convert.
* @return Floating point value.
*/
native float float(int value);
#endif
/**
* Multiplies two floats together.
*
* Note: This native is internal implementation. For multiplication use the '*' operator.
*
* @param oper1 First value.
* @param oper2 Second value.
* @return oper1*oper2.
* @deprecated This native is internal implementation. For multiplication use the '*' operator.
*/
#pragma deprecated This native is internal implementation. For multiplication use the '*' operator.
native float FloatMul(float oper1, float oper2);
/**
* Divides the dividend by the divisor.
*
* Note: This native is internal implementation. For division use the '/' operator.
*
* @param dividend First value.
* @param divisor Second value.
* @return dividend/divisor.
* @deprecated This native is internal implementation. For division use the '/' operator.
*/
#pragma deprecated This native is internal implementation. For division use the '/' operator.
native float FloatDiv(float dividend, float divisor);
/**
* Adds two floats together.
*
* Note: This native is internal implementation. For addition use the '+' operator.
*
* @param oper1 First value.
* @param oper2 Second value.
* @return oper1+oper2.
* @deprecated This native is internal implementation. For addition use the '+' operator.
*/
#pragma deprecated This native is internal implementation. For addition use the '+' operator.
native float FloatAdd(float oper1, float oper2);
/**
* Subtracts oper2 from oper1.
*
* Note: This native is internal implementation. For subtraction use the '-' operator.
*
* @param oper1 First value.
* @param oper2 Second value.
* @return oper1-oper2.
* @deprecated This native is internal implementation. For subtraction use the '-' operator.
*/
#pragma deprecated This native is internal implementation. For subtraction use the '-' operator.
native float FloatSub(float oper1, float oper2);
/**
* Returns the modulus of oper1 and oper2.
*
* Note: This native is internal implementation. For modulo use the '%' operator.
*
* @param oper1 First value.
* @param oper2 Second value.
* @return oper1%oper2.
* @deprecated This native is internal implementation. For modulo use the '%' operator.
*/
#pragma deprecated This native is internal implementation. For modulo use the '%' operator.
native float FloatMod(float oper1, float oper2);
/**
* Returns the decimal part of a float.
*
* @param value Input value.
* @return Decimal part.
*/
native float FloatFraction(float value);
/**
* Rounds a float to the closest integer to zero.
*
* @param value Input value to be rounded.
* @return Rounded value.
*/
native int RoundToZero(float value);
/**
* Rounds a float to the next highest integer value.
*
* @param value Input value to be rounded.
* @return Rounded value.
*/
native int RoundToCeil(float value);
/**
* Rounds a float to the next lowest integer value.
*
* @param value Input value to be rounded.
* @return Rounded value.
*/
native int RoundToFloor(float value);
/**
* Standard IEEE rounding.
*
* @param value Input value to be rounded.
* @return Rounded value.
*/
native int RoundToNearest(float value);
/**
* Compares two floats.
*
* @param fOne First value.
* @param fTwo Second value.
* @return Returns 1 if the first argument is greater than the second argument.
* Returns -1 if the first argument is smaller than the second argument.
* Returns 0 if both arguments are equal.
*/
native int FloatCompare(float fOne, float fTwo);
/**
* Returns the square root of the input value, equivalent to floatpower(value, 0.5).
*
* @param value Input value.
* @return Square root of the value.
*/
native float SquareRoot(float value);
/**
* Returns the value raised to the power of the exponent.
*
* @param value Value to be raised.
* @param exponent Value to raise the base.
* @return value^exponent.
*/
native float Pow(float value, float exponent);
/**
* Returns the value of raising the input by e.
*
* @param value Input value.
* @return exp(value).
*/
native float Exponential(float value);
/**
* Returns the logarithm of any base specified.
*
* @param value Input value.
* @param base Logarithm base to use, default is 10.
* @return log(value)/log(base).
*/
native float Logarithm(float value, float base=10.0);
/**
* Returns the sine of the argument.
*
* @param value Input value in radians.
* @return sin(value).
*/
native float Sine(float value);
/**
* Returns the cosine of the argument.
*
* @param value Input value in radians.
* @return cos(value).
*/
native float Cosine(float value);
/**
* Returns the tangent of the argument.
*
* @param value Input value in radians.
* @return tan(value).
*/
native float Tangent(float value);
/**
* Returns an absolute value.
*
* @param value Input value.
* @return Absolute value of the input.
*/
native float FloatAbs(float value);
/**
* Returns the arctangent of the input value.
*
* @param angle Input value.
* @return atan(value) in radians.
*/
native float ArcTangent(float angle);
/**
* Returns the arccosine of the input value.
*
* @param angle Input value.
* @return acos(value) in radians.
*/
native float ArcCosine(float angle);
/**
* Returns the arcsine of the input value.
*
* @param angle Input value.
* @return asin(value) in radians.
*/
native float ArcSine(float angle);
/**
* Returns the arctangent2 of the input values.
*
* @param x Horizontal value.
* @param y Vertical value.
* @return atan2(value) in radians.
*/
native float ArcTangent2(float x, float y);
/**
* Rounds a floating point number using the "round to nearest" algorithm.
*
* @param value Floating point value to round.
* @return The value rounded to the nearest integer.
*/
stock int RoundFloat(float value)
{
return RoundToNearest(value);
}
/**
* User defined operators.
*/
#if !defined __sourcepawn2__
// Internal aliases for backwards compatibility.
native float __FLOAT_MUL__(float a, float b);
native float __FLOAT_DIV__(float a, float b);
native float __FLOAT_ADD__(float a, float b);
native float __FLOAT_SUB__(float a, float b);
native float __FLOAT_MOD__(float a, float b);
native bool __FLOAT_GT__(float a, float b);
native bool __FLOAT_GE__(float a, float b);
native bool __FLOAT_LT__(float a, float b);
native bool __FLOAT_LE__(float a, float b);
native bool __FLOAT_EQ__(float a, float b);
native bool __FLOAT_NE__(float a, float b);
native bool __FLOAT_NOT__(float a);
stock float operator*(float oper1, float oper2) { return __FLOAT_MUL__(oper1, oper2); }
stock float operator/(float oper1, float oper2) { return __FLOAT_DIV__(oper1, oper2); }
stock float operator+(float oper1, float oper2) { return __FLOAT_ADD__(oper1, oper2); }
stock float operator-(float oper1, float oper2) { return __FLOAT_SUB__(oper1, oper2); }
stock float operator%(float oper1, float oper2) { return __FLOAT_MOD__(oper1, oper2); }
stock bool operator!(float oper1) { return __FLOAT_NOT__(oper1); }
stock bool operator>(float oper1, float oper2) { return __FLOAT_GT__(oper1, oper2); }
stock bool operator>=(float oper1, float oper2) { return __FLOAT_GE__(oper1, oper2); }
stock bool operator<(float oper1, float oper2) { return __FLOAT_LT__(oper1, oper2); }
stock bool operator<=(float oper1, float oper2) { return __FLOAT_LE__(oper1, oper2); }
stock bool operator!=(float oper1, float oper2) { return __FLOAT_NE__(oper1, oper2); }
stock bool operator==(float oper1, float oper2) { return __FLOAT_EQ__(oper1, oper2); }
stock float operator++(float oper)
{
return oper+1.0;
}
stock float operator--(float oper)
{
return oper-1.0;
}
stock float operator-(float oper)
{
return oper^view_as<float>(cellmin); /* IEEE values are sign/magnitude */
}
// The stocks below are int->float converting versions of the above natives.
stock float operator*(float oper1, int oper2)
{
return __FLOAT_MUL__(oper1, float(oper2)); /* "*" is commutative */
}
stock float operator/(float oper1, int oper2)
{
return __FLOAT_DIV__(oper1, float(oper2));
}
stock float operator/(int oper1, float oper2)
{
return __FLOAT_DIV__(float(oper1), oper2);
}
stock float operator+(float oper1, int oper2)
{
return __FLOAT_ADD__(oper1, float(oper2)); /* "+" is commutative */
}
stock float operator-(float oper1, int oper2)
{
return __FLOAT_SUB__(oper1, float(oper2));
}
stock float operator-(int oper1, float oper2)
{
return __FLOAT_SUB__(float(oper1), oper2);
}
stock bool operator==(float oper1, int oper2)
{
return __FLOAT_EQ__(oper1, float(oper2));
}
stock bool operator!=(float oper1, int oper2)
{
return __FLOAT_NE__(oper1, float(oper2));
}
stock bool operator>(float oper1, int oper2)
{
return __FLOAT_GT__(oper1, float(oper2));
}
stock bool operator>(int oper1, float oper2)
{
return __FLOAT_GT__(float(oper1), oper2);
}
stock bool operator>=(float oper1, int oper2)
{
return __FLOAT_GE__(oper1, float(oper2));
}
stock bool operator>=(int oper1, float oper2)
{
return __FLOAT_GE__(float(oper1), oper2);
}
stock bool operator<(float oper1, int oper2)
{
return __FLOAT_LT__(oper1, float(oper2));
}
stock bool operator<(int oper1, float oper2)
{
return __FLOAT_LT__(float(oper1), oper2);
}
stock bool operator<=(float oper1, int oper2)
{
return __FLOAT_LE__(oper1, float(oper2));
}
stock bool operator<=(int oper1, float oper2)
{
return __FLOAT_LE__(float(oper1), oper2);
}
stock float operator%(float oper1, int oper2)
{
return __FLOAT_MOD__(oper1, float(oper2));
}
stock float operator%(int oper1, float oper2)
{
return __FLOAT_MOD__(float(oper1), oper2);
}
#endif // __sourcepawn2__
#define FLOAT_PI 3.1415926535897932384626433832795
/**
* Converts degrees to radians.
*
* @param angle Degrees.
* @return Radians.
*/
stock float DegToRad(float angle)
{
return (angle*FLOAT_PI)/180;
}
/**
* Converts radians to degrees.
*
* @param angle Radians.
* @return Degrees.
*/
stock float RadToDeg(float angle)
{
return (angle*180)/FLOAT_PI;
}
/**
* Returns a random integer in the range [0, 2^31-1].
*
* Note: Uniform random number streams are seeded automatically per-plugin.
*
* @return Random integer.
*/
native int GetURandomInt();
/**
* Returns a uniform random float in the range [0, 1).
*
* Note: Uniform random number streams are seeded automatically per-plugin.
*
* @return Uniform random floating-point number.
*/
native float GetURandomFloat();
/**
* Seeds a plugin's uniform random number stream. This is done automatically,
* so normally it is totally unnecessary to call this.
*
* @param seeds Array of numbers to use as seeding data.
* @param numSeeds Number of seeds in the seeds array.
*/
native void SetURandomSeed(const int[] seeds, int numSeeds);
/**
* Seeds a plugin's uniform random number stream. This is done automatically,
* so normally it is totally unnecessary to call this.
*
* @param seed Single seed value.
*/
stock void SetURandomSeedSimple(int seed)
{
int seeds[1];
seeds[0] = seed;
SetURandomSeed(seeds, 1);
}