Misc utility functions for game module. More...

#include "g_utils.h"
#include <time.h>
#include "g_client.h"
#include "g_actor.h"
#include "g_edicts.h"
#include "g_trigger.h"

Include dependency graph for g_utils.cpp:

Go to the source code of this file.

Macros
#define	IS_BMODEL(ent)

Functions
void	G_FreeEdict (Edict *ent)
	Marks the edict as free.
Edict *	G_GetEdictFromPos (const pos3_t pos, const entity_type_t type)
	Searches an edict of the given type at the given grid location.
Edict *	G_GetEdictFromPosExcluding (const pos3_t pos, const int n,...)
	Searches an edict that is not of the given types at the given grid location.
bool	G_UseEdict (Edict ent, Edict activator)
	Call the 'use' function for the given edict and all its group members.
static const objDef_t *	G_GetObjectForFiredef (const fireDef_t *fd)
	Searches for the obj that has the given firedef.
const char *	G_GetWeaponNameForFiredef (const fireDef_t *fd)
	Returns the corresponding weapon name for a given fire definition.
Player *	G_GetPlayerForTeam (int team)
	Gets player for given team.
void	G_TakeDamage (Edict *ent, int damage)
	Applies the given damage value to an edict that is either an actor or has the `FL_DESTROYABLE` flag set.
static void	G_TraceDraw (const Line &traceLine)
	Renders all the traces on the client side if the cvar `g_drawtraces` is activated.
bool	G_TestLineWithEnts (const vec3_t start, const vec3_t end)
	fast version of a line trace including entities
bool	G_TestLine (const vec3_t start, const vec3_t end)
	fast version of a line trace but without including entities
trace_t	G_Trace (const Line &trLine, const Edict *passent, int contentmask)
	collision detection - this version is more accurate and includes entity tests
const char *	G_GetPlayerName (int pnum)
	Returns the player name for a give player number.
playermask_t	G_GetClosePlayerMask (const vec3_t origin, float radius)
	Assembles a player mask for those players that have a living team member close to the given location.
void	G_PrintStats (const char *format,...)
	Prints stats to game console and stats log file.
void	G_PrintActorStats (const Edict victim, const Edict attacker, const fireDef_t *fd)
	Prints stats about who killed who with what and how.
Edict *	G_FindRadius (Edict *from, const vec3_t org, float rad, entity_type_t type)
	Returns entities that have origins within a spherical area.
void	G_GenerateEntList (const char *entList[MAX_EDICTS])
	creates an entity list
void	G_RecalcRouting (const char *model, const GridBox &box)
void	G_CompleteRecalcRouting (void)
static void	G_ResetTriggers (Edict ent, Edict *touched, int num)
	Call the reset function for those triggers that are no longer touched (left the trigger zone).
static int	G_GetTouchingEdicts (const AABB &aabb, Edict *list, int maxCount, Edict skip)
	Fills a list with edicts that are in use and are touching the given bounding box.
int	G_TouchTriggers (Edict *ent, const entity_type_t type)
	Check the world against triggers for the current entity.
int	G_TouchSolids (Edict *ent, float extend)
	Call after making a step to a new grid tile to immediately touch edicts whose bbox intersects with the edicts' bbox.
void	G_TouchEdicts (Edict *trigger, float extend)
	Call after linking a new trigger in or destroying a bmodel during gameplay to force all entities it covers to immediately touch it.
uint32_t	G_GetLevelFlagsFromPos (const pos3_t pos)
	Calculates the level flags for a given grid position.

Detailed Description

Misc utility functions for game module.

Definition in file g_utils.cpp.

Macro Definition Documentation

◆ IS_BMODEL

#define IS_BMODEL ( ent )

Value:

((ent)->model && (ent)->model[0] == '*' && (ent)->solid == SOLID_BSP)

SOLID_BSP

@ SOLID_BSP

Definition game.h:157

Definition at line 428 of file g_utils.cpp.

Referenced by G_CompleteRecalcRouting(), and G_GenerateEntList().

Function Documentation

◆ G_CompleteRecalcRouting()

void G_CompleteRecalcRouting ( void )

See also: G_RecalcRouting

Definition at line 464 of file g_utils.cpp.

References Com_Printf(), GridBox::EMPTY, G_EdictsGetNextInUse(), G_RecalcRouting(), i, IS_BMODEL, and Edict::model.

Referenced by G_PrintStats(), G_RunFrame(), and TEST_F().

◆ G_FindRadius()

Edict * G_FindRadius	(	Edict *	from,
		const vec3_t	org,
		float	rad,
		entity_type_t	type )

Returns entities that have origins within a spherical area.

Parameters

[in]	from	The entity to start the search from. `nullptr` will start from the beginning.
[in]	org	The origin that is the center of the circle.
[in]	rad	radius to search an edict in.
[in]	type	Type of entity. `ET_NULL` to ignore the type. Edict* ent = nullptr; while ((ent = G_FindRadius(ent, origin, rad, type)) != nullptr) { [...] } Edict Definition g_edict.h:45 G_FindRadius Edict * G_FindRadius(Edict from, const vec3_t org, float rad, entity_type_t type) Returns entities that have origins within a spherical area. Definition* g_utils.cpp:408 origin voidpf uLong int origin Definition ioapi.h:45 type QGL_EXTERN GLint GLenum type Definition r_gl.h:94

Definition at line 408 of file g_utils.cpp.

References Edict::entBox, ET_NULL, G_EdictsGetNextInUse(), AABB::getCenter(), Edict::origin, Edict::type, type, and VectorLength().

Referenced by G_ActorUseDoor(), G_ClientShoot(), G_GetClosePlayerMask(), and G_PrintStats().

◆ G_FreeEdict()

void G_FreeEdict ( Edict * ent )

Marks the edict as free.

Parameters

ent	The edict to free.

See also: G_Spawn

Definition at line 41 of file g_utils.cpp.

References Edict::classname, G_EventDestroyEdict(), gi, Edict::inuse, and Edict::nativeReset().

Referenced by Destroy_Breakable(), Destroy_Camera(), G_ActorInvMove(), G_InitCamera(), G_MissionThink(), G_MissionUse(), G_SpawnItemOnFloor(), Message_Use(), SP_2x2_start(), SP_alien_start(), SP_civilian_start(), SP_dummy(), SP_human_start(), SP_light(), SP_misc_camera(), SP_misc_item(), SP_misc_message(), SP_misc_mission(), SP_misc_model(), SP_player_start(), SP_trigger_nextmap(), SP_trigger_rescue(), SP_trigger_touch(), Think_SmokeAndFire(), and Touch_TouchTrigger().

◆ G_GenerateEntList()

void G_GenerateEntList ( const char * entList[MAX_EDICTS] )

creates an entity list

Parameters

[out] entList A list of all active inline model entities

See also: G_RecalcRouting; G_LineVis

Definition at line 436 of file g_utils.cpp.

References G_EdictsGetNextInUse(), i, IS_BMODEL, MAX_EDICTS, and Edict::model.

Referenced by G_PrintStats(), G_RecalcRouting(), and G_TestLineWithEnts().

◆ G_GetClosePlayerMask()

playermask_t G_GetClosePlayerMask	(	const vec3_t	origin,
		float	radius )

Assembles a player mask for those players that have a living team member close to the given location.

Parameters

[in]	origin	The center of the area to search for close actors
[in]	radius	The radius to look in

Definition at line 288 of file g_utils.cpp.

References G_FindRadius(), G_IsLivingActor(), G_TeamToPM(), and Edict::getTeam().

Referenced by Door_Use(), and G_PrintStats().

◆ G_GetEdictFromPos()

Edict * G_GetEdictFromPos	(	const pos3_t	pos,
		const entity_type_t	type )

Searches an edict of the given type at the given grid location.

Parameters

pos	The grid location to look for an edict.
type	The type of the edict to look for or `-1` to look for any type in the search.

Returns: nullptr if nothing was found, otherwise the entity located at the given grid position.

Definition at line 59 of file g_utils.cpp.

References ET_NULL, G_EdictsGetNextInUse(), Edict::pos, Edict::type, type, and VectorCompare.

Referenced by AIL_positionmission(), AIL_setwaypoint(), G_ActorFall(), G_GetFloorItemFromPos(), G_MissionThink(), and G_SpawnFieldPart().

◆ G_GetEdictFromPosExcluding()

Edict * G_GetEdictFromPosExcluding	(	const pos3_t	pos,
		const int	n,
			... )

Searches an edict that is not of the given types at the given grid location.

Parameters

pos	The grid location to look for an edict.
n	The amount of given entity_type_t values that are given via variadic arguments to this function.

Returns: nullptr if nothing was found, otherwise the entity located at the given grid position.

Definition at line 81 of file g_utils.cpp.

References ET_MAX, G_EdictsGetNextInUse(), i, Edict::pos, Edict::type, and VectorCompare.

◆ G_GetLevelFlagsFromPos()

uint32_t G_GetLevelFlagsFromPos ( const pos3_t pos )

Calculates the level flags for a given grid position.

Definition at line 650 of file g_utils.cpp.

References i, and PATHFINDING_HEIGHT.

Referenced by G_PrintStats(), and G_SpawnFieldPart().

◆ G_GetObjectForFiredef()

const objDef_t * G_GetObjectForFiredef ( const fireDef_t * fd )

static

Searches for the obj that has the given firedef.

Parameters

[in] fd Pointer to fire definition, for which item is wanted.

Returns: od to which fire definition belongs or nullptr when no object found.

Definition at line 148 of file g_utils.cpp.

References objDef_t::fd, gi, i, objDef_t::numFiredefs, and objDef_t::numWeapons.

Referenced by G_GetWeaponNameForFiredef().

◆ G_GetPlayerForTeam()

Player * G_GetPlayerForTeam ( int team )

Gets player for given team.

Parameters

[in] team The team the player data should be searched for

Returns: The inuse player for the given team or nullptr when no player found.

Todo: What if there are multiple players for a team (multiplayer coop match)

Definition at line 188 of file g_utils.cpp.

References G_PlayerGetNextActiveAI(), and G_PlayerGetNextActiveHuman().

Referenced by AI_CheckRespawn(), and G_ClientEndRound().

◆ G_GetPlayerName()

const char * G_GetPlayerName ( int pnum )

Returns the player name for a give player number.

Definition at line 275 of file g_utils.cpp.

References game.

Referenced by G_PrintActorStats(), and GetGameAPI().

◆ G_GetTouchingEdicts()

int G_GetTouchingEdicts	(	const AABB &	aabb,
		Edict **	list,
		int	maxCount,
		Edict *	skip )

static

Fills a list with edicts that are in use and are touching the given bounding box.

Parameters

[in]	aabb	The bounding box
[out]	list	The edict list that this trace is hitting
[in]	maxCount	The size of the given `list`
[in]	skip	An edict to skip (e.g. pointer to the calling edict)

Returns: the number of pointers filled in

Definition at line 519 of file g_utils.cpp.

References Edict::absBox, AABB::doesIntersect(), G_EdictsGetFirst(), G_EdictsGetNextInUse(), Edict::solid, and SOLID_NOT.

Referenced by G_TouchEdicts(), G_TouchSolids(), and G_TouchTriggers().

◆ G_GetWeaponNameForFiredef()

const char * G_GetWeaponNameForFiredef ( const fireDef_t * fd )

Returns the corresponding weapon name for a given fire definition.

Parameters

[in] fd Pointer to fire definition, for which item is wanted.

Returns: id of the item to which fire definition belongs or "unknown" when no object found.

See also: G_GetObjectForFiredef

Definition at line 173 of file g_utils.cpp.

References G_GetObjectForFiredef(), and objDef_t::id.

Referenced by G_PrintActorStats().

◆ G_PrintActorStats()

void G_PrintActorStats	(	const Edict *	victim,
		const Edict *	attacker,
		const fireDef_t *	fd )

Prints stats about who killed who with what and how.

Parameters

[in]	victim	Pointer to edict being a victim.
[in]	attacker	Pointer to edict being an attacker.
[in]	fd	Pointer to fire definition used in attack.

See also: G_Damage; G_PrintStats

Definition at line 336 of file g_utils.cpp.

References Edict::chr, Com_sprintf(), G_GetPlayerName(), G_GetWeaponNameForFiredef(), G_PrintStats(), Edict::getIdNum(), Edict::getPlayerNum(), Edict::getTeam(), Edict::HP, Edict::isSameTeamAs(), character_t::name, fireDef_t::name, TEAM_ALIEN, and TEAM_CIVILIAN.

Referenced by G_CheckDeathOrKnockout(), and G_PrintStats().

◆ G_PrintStats()

void G_PrintStats	(	const char *	format,
			... )

Prints stats to game console and stats log file.

See also: G_PrintActorStats

Definition at line 304 of file g_utils.cpp.

References Com_sprintf(), format(), gi, logstatsfile, and Q_vsnprintf().

Referenced by G_ActorRevitalise(), G_BleedWounds(), G_GetStartingTeam(), G_MatchDoEnd(), G_MoraleBehaviour(), G_MoralePanic(), G_MoraleRage(), G_MoraleStopPanic(), G_MoraleStopRage(), and G_PrintActorStats().

◆ G_RecalcRouting()

void G_RecalcRouting	(	const char *	model,
		const GridBox &	box )

See also: G_CompleteRecalcRouting; Grid_RecalcRouting

Definition at line 452 of file g_utils.cpp.

References G_GenerateEntList(), gi, and MAX_EDICTS.

Referenced by Destroy_Breakable(), Door_Use(), G_CompleteRecalcRouting(), and G_PrintStats().

◆ G_ResetTriggers()

void G_ResetTriggers	(	Edict *	ent,
		Edict **	touched,
		int	num )

static

Call the reset function for those triggers that are no longer touched (left the trigger zone).

Parameters

ent	The edict that is leaving the trigger area
touched	The edicts that the activating ent currently touches
num	The amount of edicts in the `touched` list

Definition at line 485 of file g_utils.cpp.

References G_EdictsGetNextInUse(), G_TriggerIsInList(), G_TriggerRemoveFromList(), i, Edict::reset, Edict::solid, and SOLID_TRIGGER.

Referenced by G_TouchTriggers().

◆ G_TakeDamage()

void G_TakeDamage	(	Edict *	ent,
		int	damage )

Applies the given damage value to an edict that is either an actor or has the FL_DESTROYABLE flag set.

Parameters

ent	The edict to apply the damage to.
damage	The damage value.

Note: This function assures, that the health points of the edict are never getting negative.

See also: G_Damage

Definition at line 215 of file g_utils.cpp.

References G_IsActor, G_IsBreakable, and Edict::HP.

Referenced by G_ActorFall(), G_BleedWounds(), G_Damage(), G_DamageActor(), and G_TreatActor().

◆ G_TestLine()

bool G_TestLine	(	const vec3_t	start,
		const vec3_t	end )

fast version of a line trace but without including entities

Parameters

start	The start vector of the trace
end	The end vector of the trace

Returns: false if not blocked

Definition at line 253 of file g_utils.cpp.

References G_TraceDraw(), gi, and TL_FLAG_NONE.

Referenced by G_SplashDamage(), and G_TeamPointVis().

◆ G_TestLineWithEnts()

bool G_TestLineWithEnts	(	const vec3_t	start,
		const vec3_t	end )

fast version of a line trace including entities

Parameters

start	The start vector of the trace
end	The end vector of the trace

Returns: false if not blocked

Definition at line 237 of file g_utils.cpp.

References G_GenerateEntList(), G_TraceDraw(), gi, MAX_EDICTS, and TL_FLAG_NONE.

Referenced by AIL_missiontargets(), and G_LineVis().

◆ G_TouchEdicts()

void G_TouchEdicts	(	Edict *	trigger,
		float	extend )

Call after linking a new trigger in or destroying a bmodel during gameplay to force all entities it covers to immediately touch it.

Parameters

[in]	trigger	The edict to check.
[in]	extend	Extend value for the bounding box

Definition at line 625 of file g_utils.cpp.

References Edict::absBox, Edict::callTouch(), Edict::chr, Com_DPrintf(), DEBUG_GAME, AABB::expand(), G_GetTouchingEdicts(), Edict::hasTouch(), i, Edict::inuse, lengthof, MAX_EDICTS, Edict::model, and character_t::name.

Referenced by Destroy_Breakable(), and G_PrintStats().

◆ G_TouchSolids()

int G_TouchSolids	(	Edict *	ent,
		float	extend )

Call after making a step to a new grid tile to immediately touch edicts whose bbox intersects with the edicts' bbox.

Returns: the amount of touched edicts

Definition at line 590 of file g_utils.cpp.

References Edict::absBox, Edict::callTouch(), AABB::expand(), G_GetTouchingEdicts(), G_IsLivingActor(), Edict::hasTouch(), i, Edict::inuse, lengthof, makeActor(), MAX_EDICTS, Edict::solid, and SOLID_TRIGGER.

Referenced by G_ClientMove(), and G_PrintStats().

◆ G_TouchTriggers()

int G_TouchTriggers	(	Edict *	ent,
		const entity_type_t	type )

Check the world against triggers for the current entity.

Parameters

[in,out]	ent	The entity that maybe touches others
[in]	type	Type of the entity

Returns: Returns the number of associated client actions

Definition at line 547 of file g_utils.cpp.

References Edict::absBox, Edict::callTouch(), Edict::dmg, ET_NULL, G_GetTouchingEdicts(), G_IsLivingActor(), G_ResetTriggers(), G_TriggerAddToList(), Edict::hasTouch(), i, Actor::isStunned(), lengthof, makeActor(), MAX_EDICTS, Edict::solid, SOLID_TRIGGER, Edict::type, and type.

Referenced by G_ActorUseDoor(), G_ClientMove(), G_ClientShoot(), G_ClientTeamInfo(), G_PrintStats(), G_RoundTouchTriggers(), and G_SpawnAIPlayer().

◆ G_Trace()

trace_t G_Trace	(	const Line &	trLine,
		const Edict *	passent,
		int	contentmask )

collision detection - this version is more accurate and includes entity tests

Note: traces a box from start to end, ignoring entities passent, stopping if it hits an object of type specified via contentmask (MASK_*).

Returns: The trace result

Definition at line 265 of file g_utils.cpp.

References G_TraceDraw(), and gi.

Referenced by AI_CheckLineOfFire(), G_SendFootstepSound(), G_ShootGrenade(), G_ShootSingle(), and G_SpawnFieldGroup().

◆ G_TraceDraw()

void G_TraceDraw ( const Line & traceLine )

inlinestatic

Renders all the traces on the client side if the cvar g_drawtraces is activated.

Parameters

traceLine The start and end vectors of the line to trace

Definition at line 225 of file g_utils.cpp.

References g_drawtraces, G_EventParticleSpawn(), PM_ALL, Line::start, Line::stop, TRACE_ALL_LEVELS, and vec3_origin.

Referenced by G_TestLine(), G_TestLineWithEnts(), and G_Trace().

◆ G_UseEdict()

bool G_UseEdict	(	Edict *	ent,
		Edict *	activator )

Call the 'use' function for the given edict and all its group members.

Parameters

[in]	ent	The edict to call the use function for
[in]	activator	The edict that uses ent

Returns: true when triggering the use function was successful.

See also: G_ClientUseEdict

Definition at line 117 of file g_utils.cpp.

References Edict::groupChain, Edict::groupMaster, and Edict::use.

Referenced by G_ClientUseEdict(), G_MissionThink(), Reset_TouchTrigger(), SP_func_door(), and Touch_TouchTrigger().

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ IS_BMODEL

Function Documentation

◆ G_CompleteRecalcRouting()

◆ G_FindRadius()

◆ G_FreeEdict()

◆ G_GenerateEntList()

◆ G_GetClosePlayerMask()

◆ G_GetEdictFromPos()

◆ G_GetEdictFromPosExcluding()

◆ G_GetLevelFlagsFromPos()

◆ G_GetObjectForFiredef()

◆ G_GetPlayerForTeam()

◆ G_GetPlayerName()

◆ G_GetTouchingEdicts()

◆ G_GetWeaponNameForFiredef()

◆ G_PrintActorStats()

◆ G_PrintStats()

◆ G_RecalcRouting()

◆ G_ResetTriggers()

◆ G_TakeDamage()

◆ G_TestLine()

◆ G_TestLineWithEnts()

◆ G_TouchEdicts()

◆ G_TouchSolids()

◆ G_TouchTriggers()

◆ G_Trace()

◆ G_TraceDraw()

◆ G_UseEdict()