#include "r_local.h"
#include "r_matrix.h"
#include "r_entity.h"
#include "r_mesh.h"
#include "r_mesh_anim.h"
#include "r_draw.h"

Include dependency graph for r_entity.cpp:

Macros
#define	MAX_ENTITIES 2048*2

Functions
void	R_EntitySetOrigin (entity_t *ent, const vec3_t origin)
	setter for entity origin
void	R_EntityAddToOrigin (entity_t *ent, const vec3_t offset)
	Translates the origin of the given entity by the given offset vector.
static void	R_DrawBox (const entity_t *e)
	Draws the field marker entity is specified in CL_AddTargeting.
static void	R_DrawFloor (const entity_t *e)
	Draws a marker on the ground to indicate pathing CL_AddPathingBox.
static void	R_DrawArrow (const entity_t *e)
	Draws an arrow between two points.
void	R_DrawEntityEffects (void)
	Draws shadow and highlight effects for the entities (actors).
void	R_DrawMeshEntities (entity_t *ents)
	Draws the list of entities.
void	R_DrawOpaqueMeshEntities (entity_t *ents)
static entity_t *	R_MergeSortMerge (entity_t a, entity_t b)
static entity_t *	R_MergeSortEntList (entity_t *c)
	Merge sort for the entity list.
void	R_DrawBlendMeshEntities (entity_t *ents)
static void	R_DrawNullModel (const entity_t *e)
	Draw replacement model (e.g. when model wasn't found).
void	R_DrawSpecialEntities (const entity_t *ents)
void	R_DrawNullEntities (const entity_t *ents)
	Draw entities which models couldn't be loaded.
void	R_TransformForEntity (const entity_t *e, const vec3_t in, vec3_t out)
static float *	R_CalcTransform (entity_t *e)
	Calculates transformation matrix for the model and its tags.
static bool	R_CullEntity (entity_t *e)
	Perform a frustum cull check for a given entity.
void	R_GetEntityLists (void)
	Primary entry point for drawing all entities.
entity_t *	R_GetFreeEntity (void)
	Get the next free entry in the entity list (the last one).
entity_t *	R_GetEntity (int id)
	Returns a specific entity from the list.
int	R_AddEntity (const entity_t *ent)
	Adds a copy of the specified entity to the list of all known render entities.

Variables
static entity_t	r_entities [MAX_ENTITIES]
entity_t *	r_opaque_mesh_entities
entity_t *	r_blend_mesh_entities
entity_t *	r_null_entities
entity_t *	r_special_entities
static image_t *	selectedActorIndicator
static image_t *	actorIndicator

Macro Definition Documentation

◆ MAX_ENTITIES

#define MAX_ENTITIES 2048*2

Definition at line 33 of file r_entity.cpp.

Referenced by R_AddEntity(), and R_GetFreeEntity().

Function Documentation

◆ R_AddEntity()

int R_AddEntity ( const entity_t * ent )

Adds a copy of the specified entity to the list of all known render entities.

See also: R_GetFreeEntity

Returns: The position of the entity in the render entity array or -1 in case the entity wasn't added.

Definition at line 706 of file r_entity.cpp.

References Com_Error(), ERR_DROP, MAX_ENTITIES, mod_bsp, entity_t::model, r_entities, and refdef.

Referenced by CL_AddActor(), CL_AddArrow(), CL_AddPathingBox(), CL_AddTargetingBox(), CL_AddUGV(), LE_AddEdictHighlight(), LE_AddToScene(), LE_BrushModelAction(), LM_AddToSceneOrder(), and SEQ_Render3D().

◆ R_CalcTransform()

float * R_CalcTransform ( entity_t * e )

static

Calculates transformation matrix for the model and its tags.

Note: The transformation matrix is only calculated once

Definition at line 537 of file r_entity.cpp.

References model_t::alias, entity_t::angles, animState_t::backlerp, Com_Error(), entity_t::distanceFromViewOrigin, transform_t::done, ERR_DROP, animState_t::frame, GLMatrixAssemble(), GLMatrixMultiply(), transform_t::matrix, mAliasModel_t::num_frames, animState_t::oldframe, entity_t::origin, transform_t::processing, R_CalcTransform(), R_GetTags(), R_InterpolateTransform(), refdef, entity_t::tagent, entity_t::tagname, entity_t::transform, and VectorDist.

Referenced by R_CalcTransform(), and R_GetEntityLists().

◆ R_CullEntity()

bool R_CullEntity ( entity_t * e )

static

Perform a frustum cull check for a given entity.

Parameters

[in,out] e The entity to perform the frustum cull check for

Returns: false if visible, true is the origin of the entity is outside the current frustum view

Definition at line 604 of file r_entity.cpp.

References mod_bsp_submodel, entity_t::model, R_CullBspModel(), R_CullMeshModel(), r_nocull, RDF_NOWORLDMODEL, and refdef.

Referenced by R_GetEntityLists().

◆ R_DrawArrow()

void R_DrawArrow ( const entity_t * e )

static

Draws an arrow between two points.

See also: CL_AddArrow; RF_BOX

Definition at line 175 of file r_entity.cpp.

References entity_t::alpha, entity_t::color, entity_t::oldorigin, entity_t::origin, R_BindArray(), R_BindDefaultArray(), R_Color(), and refdef.

Referenced by R_DrawSpecialEntities().

◆ R_DrawBlendMeshEntities()

void R_DrawBlendMeshEntities ( entity_t * ents )

See also: R_GetEntityLists

Definition at line 411 of file r_entity.cpp.

References R_DrawMeshEntities(), R_EnableBlend(), R_EnableGlowMap(), R_EnableLighting(), R_MergeSortEntList(), r_state, RDF_NOWORLDMODEL, and refdef.

Referenced by R_RenderFrame().

◆ R_DrawBox()

void R_DrawBox ( const entity_t * e )

static

Draws the field marker entity is specified in CL_AddTargeting.

See also: CL_AddTargeting; RF_BOX

Todo: fill one array

Definition at line 67 of file r_entity.cpp.

References entity_t::alpha, entity_t::color, entity_t::eBox, AABB::maxs, AABB::mins, entity_t::oldorigin, entity_t::origin, R_BindArray(), R_BindDefaultArray(), R_BindTexture, R_Color(), R_DrawBoundingBox(), R_DrawTexturedBox(), refdef, image_t::texnum, entity_t::texture, and VectorNotEmpty.

Referenced by R_DrawSpecialEntities().

◆ R_DrawEntityEffects()

void R_DrawEntityEffects ( void )

Draws shadow and highlight effects for the entities (actors).

Note: The origins are already transformed

Todo: use default_texcoords

Todo: use default_texcoords

Definition at line 208 of file r_entity.cpp.

References actorIndicator, entity_t::flags, GLint, i, it_effect, transform_t::matrix, R_BindArray(), R_BindDefaultArray(), R_BindTexture, R_Color(), R_EnableBlend(), R_EnableDrawAsGlow(), r_entities, R_FindImage(), r_stencilshadows, refdef, RF_ACTOR, RF_ALLIED, RF_BLOOD, RF_BOX, RF_MEMBER, RF_NEUTRAL, RF_OPPONENT, RF_SELECTED, RF_SHADOW, selectedActorIndicator, SELECTION_DELTA, shadow, image_t::texnum, entity_t::texture, entity_t::transform, and Vector4Set.

Referenced by R_RenderFrame().

◆ R_DrawFloor()

void R_DrawFloor ( const entity_t * e )

static

Draws a marker on the ground to indicate pathing CL_AddPathingBox.

See also: CL_AddPathing; RF_BOX

Todo: use default_texcoords

Definition at line 131 of file r_entity.cpp.

References entity_t::alpha, entity_t::color, GLint, it_pic, entity_t::origin, PLAYER_WIDTH, R_BindArray(), R_BindDefaultArray(), R_BindTexture, R_Color(), R_FindImage(), refdef, and image_t::texnum.

Referenced by R_DrawSpecialEntities().

◆ R_DrawMeshEntities()

void R_DrawMeshEntities ( entity_t * ents )

Draws the list of entities.

Parameters

[in,out] ents The list of entities that are going to get rendered

See also: R_GetEntityLists

Definition at line 316 of file r_entity.cpp.

References mod_alias_md2, mod_alias_md3, mod_obj, entity_t::model, entity_t::next, and R_DrawAliasModel().

Referenced by R_DrawBlendMeshEntities(), and R_DrawOpaqueMeshEntities().

◆ R_DrawNullEntities()

void R_DrawNullEntities ( const entity_t * ents )

Draw entities which models couldn't be loaded.

Definition at line 503 of file r_entity.cpp.

References entity_t::next, and R_DrawNullModel().

Referenced by R_RenderFrame().

◆ R_DrawNullModel()

void R_DrawNullModel ( const entity_t * e )

static

Draw replacement model (e.g. when model wasn't found).

See also: R_DrawNullEntities

Definition at line 434 of file r_entity.cpp.

References i, M_PI, transform_t::matrix, R_BindArray(), R_BindDefaultArray(), R_EnableTexture(), refdef, texunit_diffuse, entity_t::transform, and VectorSet.

Referenced by R_DrawNullEntities().

◆ R_DrawOpaqueMeshEntities()

void R_DrawOpaqueMeshEntities ( entity_t * ents )

See also: R_GetEntityLists

Definition at line 339 of file r_entity.cpp.

References R_DrawMeshEntities(), R_EnableGlowMap(), R_EnableLighting(), r_state, RDF_NOWORLDMODEL, and refdef.

Referenced by R_RenderFrame().

◆ R_DrawSpecialEntities()

void R_DrawSpecialEntities ( const entity_t * ents )

Definition at line 473 of file r_entity.cpp.

References entity_t::flags, entity_t::next, R_DrawArrow(), R_DrawBox(), R_DrawFloor(), R_EnableBlend(), R_EnableDrawAsGlow(), RF_ARROW, RF_BOX, and RF_PATH.

Referenced by R_RenderFrame().

◆ R_EntityAddToOrigin()

void R_EntityAddToOrigin	(	entity_t *	ent,
		const vec3_t	offset )

Translates the origin of the given entity by the given offset vector.

Parameters

[in,out]	ent	The entity to translate
[in]	offset	The translation vector

Definition at line 57 of file r_entity.cpp.

References entity_t::origin, and VectorAdd.

◆ R_EntitySetOrigin()

void R_EntitySetOrigin	(	entity_t *	ent,
		const vec3_t	origin )

setter for entity origin

Parameters

[out]	ent	The entity to set the origin for
[in]	origin	The new origin for the given entity

Definition at line 47 of file r_entity.cpp.

References entity_t::origin, and VectorCopy.

Referenced by CL_AddEdictFunc(), LE_AddToScene(), LM_AddToSceneOrder(), and SEQ_Render3D().

◆ R_GetEntity()

entity_t * R_GetEntity ( int id )

Returns a specific entity from the list.

Definition at line 694 of file r_entity.cpp.

References id, r_entities, and refdef.

Referenced by LM_AddToSceneOrder(), and R_Trace().

◆ R_GetEntityLists()

void R_GetEntityLists ( void )

Primary entry point for drawing all entities.

See also: R_RenderFrame

Definition at line 625 of file r_entity.cpp.

References entity_t::angles, entity_t::as, Com_Error(), ERR_DROP, entity_t::flags, animState_t::frame, image_t::has_alpha, i, animState_t::mesh, mod_alias_md2, mod_alias_md3, mod_bsp_submodel, mod_obj, entity_t::model, entity_t::next, animState_t::oldframe, entity_t::origin, R_AddBspRRef(), R_AliasModelState(), r_blend_mesh_entities, R_CalcTransform(), R_CullEntity(), r_drawentities, r_entities, r_null_entities, r_opaque_mesh_entities, r_special_entities, refdef, RF_ARROW, RF_BOX, RF_PATH, RF_TRANSLUCENT, entity_t::skinnum, and image_t::texnum.

Referenced by R_RenderFrame().

◆ R_GetFreeEntity()

entity_t * R_GetFreeEntity ( void )

Get the next free entry in the entity list (the last one).

Note: This can't overflow, because R_AddEntity checks the bounds

See also: R_AddEntity

Definition at line 684 of file r_entity.cpp.

References Com_Error(), ERR_DROP, MAX_ENTITIES, r_entities, and refdef.

Referenced by CL_AddActor(), CL_AddUGV(), and SEQ_Render3D().

◆ R_MergeSortEntList()

entity_t * R_MergeSortEntList ( entity_t * c )

static

Merge sort for the entity list.

Note: We can't use in-place merging of the entities array because there are references in this array that must stay intact (references for tagged models e.g.).