random.qh File Reference

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Macros
#define	prandom_debug()
#define	RandomSelection_AddEnt(e, weight, priority)   RandomSelection_Add(e, 0, string_null, '0 0 0', weight, priority)
#define	RandomSelection_AddFloat(f, weight, priority)   RandomSelection_Add(NULL, f, string_null, '0 0 0', weight, priority)
#define	RandomSelection_AddString(s, weight, priority)   RandomSelection_Add(NULL, 0, s, '0 0 0', weight, priority)
#define	RandomSelection_AddVec(v, weight, priority)   RandomSelection_Add(NULL, 0, string_null, v, weight, priority)
#define	USE_PRANDOM

Functions
float	prandom ()
vector	prandomvec ()
void	psrandom (float seed)
ERASEABLE void	RandomSelection_Add (entity e, float f, string s, vector v, float weight, float priority)
ERASEABLE void	RandomSelection_Init ()

Variables
float	RandomSelection_best_priority
entity	RandomSelection_chosen_ent
float	RandomSelection_chosen_float
string	RandomSelection_chosen_string
vector	RandomSelection_chosen_vec
float	RandomSelection_totalweight

Macro Definition Documentation

prandom_debug

#define prandom_debug

(

)

Definition at line 31 of file random.qh.

Referenced by NET_HANDLE(), and psrandom().

RandomSelection_AddEnt

#define RandomSelection_AddEnt	(		e,
			weight,
			priority
	)		RandomSelection_Add(e, 0, string_null, '0 0 0', weight, priority)

Definition at line 14 of file random.qh.

Referenced by buff_NewType(), CheatCommand(), CheatImpulse(), invasion_PickMonster(), invasion_PickSpawn(), jumppad_push(), MUTATOR_HOOKFUNCTION(), Simple_TeleportPlayer(), Spawn_WeightedPoint(), SUB_UseTargets_Ex(), train_next_find(), and W_RandomWeapons().

RandomSelection_AddFloat

#define RandomSelection_AddFloat	(		f,
			weight,
			priority
	)		RandomSelection_Add(NULL, f, string_null, '0 0 0', weight, priority)

Definition at line 15 of file random.qh.

Referenced by invasion_SpawnChosenMonster(), MapVote_CheckRules_2(), NIX_ChooseNextWeapon(), RandomItems_GetRandomVanillaItemClassName(), and TeamBalance_FindBestTeam().

RandomSelection_AddString

#define RandomSelection_AddString	(		s,
			weight,
			priority
	)		RandomSelection_Add(NULL, 0, s, '0 0 0', weight, priority)

Definition at line 16 of file random.qh.

Referenced by bot_setnameandstuff(), FixIntermissionClient(), RandomItems_GetRandomInstagibItemClassName(), RandomItems_GetRandomItemClassNameWithProperty(), RandomItems_GetRandomOverkillItemClassName(), and RandomItems_GetRandomVanillaItemClassName().

RandomSelection_AddVec

#define RandomSelection_AddVec	(		v,
			weight,
			priority
	)		RandomSelection_Add(NULL, 0, string_null, v, weight, priority)

Definition at line 17 of file random.qh.

USE_PRANDOM

#define USE_PRANDOM

Definition at line 21 of file random.qh.

Function Documentation

prandom()

float prandom

(

)

Definition at line 100 of file random.qc.

References ftos(), LOG_TRACE, M_PI, prandom_seed, and strcat().

Referenced by prandomvec(), SND_GIB_SPLAT_RANDOM(), and turret_gibtoss().

    {
        float c;
        c = crc16(false, strcat(ftos(prandom_seed), ftos(prandom_seed + M_PI)));
        prandom_seed = c;

    #ifdef USE_PRANDOM_DEBUG
            LOG_TRACE("RANDOM -> ", ftos(c));
    #endif

        return c / 65536;  // in [0..1[
    }

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prandomvec()

vector prandomvec

(

)

Definition at line 113 of file random.qc.

References prandom(), v, and vector().

Referenced by turret_gibtoss().

    {
        vector v;

        do
        {
            v.x = prandom();
            v.y = prandom();
            v.z = prandom();
        }
        while (v * v > 1);

        return v;
    }

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psrandom()

void psrandom

(

float

seed

)

Definition at line 128 of file random.qc.

References ftos(), LOG_TRACE, prandom_debug, and prandom_seed.

Referenced by NET_HANDLE().

    {
        prandom_seed = seed;
    #ifdef USE_PRANDOM_DEBUG
            LOG_TRACE("SRANDOM ", ftos(seed));
    #endif
    }

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RandomSelection_Add()

ERASEABLE void RandomSelection_Add	(	entity	e,
		float	f,
		string	s,
		vector	v,
		float	weight,
		float	priority
	)

Definition at line 14 of file random.qc.

References random(), RandomSelection_best_priority, RandomSelection_chosen_ent, RandomSelection_chosen_float, RandomSelection_chosen_string, RandomSelection_chosen_vec, RandomSelection_totalweight, and v.

Referenced by MUTATOR_HOOKFUNCTION().

{
    if (priority > RandomSelection_best_priority)
    {
        RandomSelection_best_priority = priority;
        RandomSelection_chosen_ent = e;
        RandomSelection_chosen_float = f;
        RandomSelection_chosen_string = s;
        RandomSelection_chosen_vec = v;
        RandomSelection_totalweight = weight;
    }
    else if (priority == RandomSelection_best_priority)
    {
        RandomSelection_totalweight += weight;
        if (random() * RandomSelection_totalweight <= weight)
        {
            RandomSelection_chosen_ent = e;
            RandomSelection_chosen_float = f;
            RandomSelection_chosen_string = s;
            RandomSelection_chosen_vec = v;
        }
    }
}

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RandomSelection_Init()

ERASEABLE void RandomSelection_Init

(

)

Definition at line 4 of file random.qc.

References ERASEABLE, NULL, RandomSelection_best_priority, RandomSelection_chosen_ent, RandomSelection_chosen_float, RandomSelection_chosen_string, RandomSelection_totalweight, and string_null.

Referenced by bot_setnameandstuff(), buff_NewType(), CheatCommand(), CheatImpulse(), FixIntermissionClient(), GiveRandomWeapons(), invasion_PickMonster(), invasion_PickSpawn(), invasion_SpawnChosenMonster(), Item_FindTeam(), Item_Touch(), jumppad_push(), MapInfo_LoadMapSettings(), MapVote_CheckRules_2(), MUTATOR_HOOKFUNCTION(), NIX_ChooseNextWeapon(), RandomItems_GetRandomInstagibItemClassName(), RandomItems_GetRandomItemClassNameWithProperty(), RandomItems_GetRandomOverkillItemClassName(), RandomItems_GetRandomVanillaItemClassName(), Simple_TeleportPlayer(), Spawn_WeightedPoint(), spawnmonster(), SUB_UseTargets_Ex(), TeamBalance_FindBestTeam(), TeleportPlayer(), train_next_find(), and W_RandomWeapons().

{
    RandomSelection_totalweight = 0;
    RandomSelection_chosen_ent = NULL;
    RandomSelection_chosen_float = 0;
    RandomSelection_chosen_string = string_null;
    RandomSelection_best_priority = -1;
}

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Variable Documentation

RandomSelection_best_priority

float RandomSelection_best_priority

Definition at line 4 of file random.qh.

Referenced by MapVote_CheckRules_2(), RandomSelection_Add(), and RandomSelection_Init().

RandomSelection_chosen_ent

entity RandomSelection_chosen_ent

Definition at line 5 of file random.qh.

Referenced by buff_NewType(), CheatCommand(), CheatImpulse(), GiveRandomWeapons(), invasion_PickMonster(), invasion_PickSpawn(), Item_FindTeam(), Item_Touch(), jumppad_push(), MapInfo_LoadMapSettings(), MUTATOR_HOOKFUNCTION(), RandomSelection_Add(), RandomSelection_Init(), Simple_TeleportPlayer(), Spawn_WeightedPoint(), spawnmonster(), SUB_UseTargets_Ex(), train_next_find(), and W_RandomWeapons().

RandomSelection_chosen_float

float RandomSelection_chosen_float

Definition at line 6 of file random.qh.

Referenced by invasion_SpawnChosenMonster(), MapVote_CheckRules_2(), NIX_ChooseNextWeapon(), RandomItems_GetRandomVanillaItemClassName(), RandomSelection_Add(), RandomSelection_Init(), and TeamBalance_FindBestTeam().

RandomSelection_chosen_string

string RandomSelection_chosen_string

Definition at line 7 of file random.qh.

Referenced by bot_setnameandstuff(), FixIntermissionClient(), invasion_SpawnChosenMonster(), RandomItems_GetRandomInstagibItemClassName(), RandomItems_GetRandomItemClassNameWithProperty(), RandomItems_GetRandomOverkillItemClassName(), RandomItems_GetRandomVanillaItemClassName(), RandomSelection_Add(), RandomSelection_Init(), and TeleportPlayer().

RandomSelection_chosen_vec

vector RandomSelection_chosen_vec

Definition at line 8 of file random.qh.

Referenced by MUTATOR_HOOKFUNCTION(), and RandomSelection_Add().

RandomSelection_totalweight

float RandomSelection_totalweight

Definition at line 3 of file random.qh.

Referenced by RandomSelection_Add(), and RandomSelection_Init().