r_bsp.c File Reference

BSP model code. More...

#include "r_local.h"
#include "r_lightmap.h"
#include "r_material.h"
#include "r_light.h"
#include "r_draw.h"

Include dependency graph for r_bsp.c:

Defines
#define	BACKFACE_EPSILON 0.01
Functions
static qboolean	R_CullBox (const vec3_t mins, const vec3_t maxs)
	Returns true if the specified bounding box is completely culled by the view frustum, false otherwise.
qboolean	R_CullSphere (const vec3_t centre, const float radius, const unsigned int clipflags)
	Performs a spherical frustum check.
qboolean	R_CullBspModel (const entity_t *e)
	Returns true if the specified entity is completely culled by the view frustum, false otherwise.
static void	R_DrawBspModelSurfaces (const entity_t *e, const vec3_t modelorg)
	Renders all the surfaces that belongs to an inline bsp model entity.
void	R_DrawBrushModel (const entity_t *e)
	Draws a brush model.
void	R_DrawBspNormals (int tile)
	Developer tool for viewing BSP vertex normals. Only Phong interpolated surfaces show their normals when r_shownormals > 1.
static void	R_RecursiveWorldNode (const mBspNode_t *node, int tile)
	Recurse down the bsp tree and mark surfaces that are visible (not culled and in front) for being rendered.
static void	R_RecurseWorld (const mBspNode_t *node, int tile)
	Wrapper that recurses the bsp nodes but skip the pathfinding nodes.
void	R_GetLevelSurfaceLists (void)
	Fills the surface chains for the current worldlevel and hide other levels.

Detailed Description

BSP model code.

Definition in file r_bsp.c.

Define Documentation

#define BACKFACE_EPSILON 0.01

Definition at line 38 of file r_bsp.c.

Referenced by R_DrawBspModelSurfaces().

Function Documentation

static qboolean R_CullBox	(	const vec3_t	mins,
		const vec3_t	maxs
	)			`[static]`

Returns true if the specified bounding box is completely culled by the view frustum, false otherwise.

Parameters:

`[in]`	mins	The mins of the bounding box
`[in]`	maxs	The maxs of the bounding box

Definition at line 47 of file r_bsp.c.

References rlocals_s::frustum, i, cvar_s::integer, lengthof, PSIDE_BACK, qfalse, qtrue, r_locals, r_nocull, and TR_BoxOnPlaneSide().

Referenced by R_CullBspModel(), and R_RecursiveWorldNode().

qboolean R_CullBspModel ( const entity_t * e )

Returns true if the specified entity is completely culled by the view frustum, false otherwise.

Parameters:

[in] e The entity to check

See also:: R_CullBox

Definition at line 93 of file r_bsp.c.

References i, qtrue, R_CullBox(), R_EntityGetOrigin(), VectorAdd, and VectorCopy.

Referenced by R_CullEntity().

qboolean R_CullSphere	(	const vec3_t	centre,
		const float	radius,
		const unsigned int	clipflags
	)

Performs a spherical frustum check.

Parameters:

`[in]`	centre	The world coordinate that is the center of the sphere
`[in]`	radius	The radius of the sphere to check the frustum for
`[in]`	clipflags	Can be used to skip sides of the frustum planes

Returns:: true if the sphere is completely outside the frustum, false otherwise

Definition at line 68 of file r_bsp.c.

References cBspPlane_s::dist, DotProduct, rlocals_s::frustum, i, cvar_s::integer, lengthof, cBspPlane_s::normal, qfalse, qtrue, r_locals, and r_nocull.

void R_DrawBrushModel ( const entity_t * e )

Draws a brush model.

Parameters:

[in] e The inline bsp model entity

Note:: E.g. a func_breakable or func_door

Definition at line 181 of file r_bsp.c.

References cvar_s::integer, PITCH, R_DrawBoundingBox(), R_DrawBspModelSurfaces(), R_EntityGetOrigin(), R_ShiftLights(), r_showbox, refdef, ROLL, vec3_origin, VectorCopy, VectorCreateRotationMatrix(), VectorNotEmpty, VectorRotatePoint(), VectorSubtract, rendererData_t::viewOrigin, and YAW.

Referenced by R_DrawBspEntities().

static void R_DrawBspModelSurfaces	(	const entity_t *	e,
		const vec3_t	modelorg
	)			`[static]`

Renders all the surfaces that belongs to an inline bsp model entity.

Parameters:

`[in]`	e	The inline bsp model entity
`[in]`	modelorg	relative to viewpoint

Todo:: This leads to unrendered backfaces for e.g. doors

Definition at line 121 of file r_bsp.c.

References AXIAL, BACKFACE_EPSILON, cBspPlane_s::dist, DotProduct, f, mBspSurface_s::flags, mBspSurface_s::frame, rlocals_s::frame, i, MSURF_PLANEBACK, cBspPlane_s::normal, mBspSurface_s::plane, qfalse, qtrue, R_DrawAlphaTestSurfaces(), R_DrawBlendSurfaces(), R_DrawBlendWarpSurfaces(), R_DrawFlareSurfaces(), R_DrawMaterialSurfaces(), R_DrawOpaqueSurfaces(), R_DrawOpaqueWarpSurfaces(), R_EnableBlend(), R_EnableFog(), r_locals, and cBspPlane_s::type.

Referenced by R_DrawBrushModel().

void R_DrawBspNormals ( int tile )

Developer tool for viewing BSP vertex normals. Only Phong interpolated surfaces show their normals when r_shownormals > 1.

Definition at line 227 of file r_bsp.c.

References model_s::bsp, Com_Error(), ERR_DROP, mBspTexInfo_s::flags, rlocals_s::frame, mBspSurface_s::frame, i, mBspSurface_s::index, cvar_s::integer, MAX_GL_ARRAY_LENGTH, mBspModel_s::normals, mBspSurface_s::numedges, mBspModel_s::numsurfaces, qfalse, qtrue, R_Color(), R_EnableTexture(), r_locals, r_mapTiles, R_ResetArrayState(), r_shownormals, r_state, SURF_PHONG, SURF_WARP, mBspModel_s::surfaces, mBspSurface_s::texinfo, texunit_diffuse, VectorMA(), rstate_t::vertex_array_3d, and mBspModel_s::verts.

Referenced by R_RenderFrame().

void R_GetLevelSurfaceLists ( void )

Fills the surface chains for the current worldlevel and hide other levels.

See also:: cvar cl_worldlevel

Definition at line 366 of file r_bsp.c.

References model_s::bsp, rlocals_s::frame, mBspHeader_s::headnode, i, cvar_s::integer, LEVEL_LASTVISIBLE, r_drawworld, r_locals, r_mapTiles, r_numMapTiles, R_RecurseWorld(), refdef, mBspModel_s::submodels, and rendererData_t::worldlevel.

Referenced by R_RenderFrame(), and R_RunThread().

static void R_RecurseWorld	(	const mBspNode_t *	node,
		int	tile
	)			`[static]`

Wrapper that recurses the bsp nodes but skip the pathfinding nodes.

See also:: R_GetLevelSurfaceLists

Parameters:

`[in]`	node	The bsp node to check
`[in]`	tile	The maptile (map assembly)

See also:: R_ModLoadNodes about pathfinding nodes

Definition at line 350 of file r_bsp.c.

References mBspNode_s::children, mBspNode_s::contents, CONTENTS_PATHFINDING_NODE, and R_RecursiveWorldNode().

Referenced by R_GetLevelSurfaceLists().

static void R_RecursiveWorldNode	(	const mBspNode_t *	node,
		int	tile
	)			`[static]`

Recurse down the bsp tree and mark surfaces that are visible (not culled and in front) for being rendered.

See also:: R_DrawWorld; R_RecurseWorld

Parameters:

`[in]`	node	The bsp node to check
`[in]`	tile	The maptile (map assembly)

Definition at line 292 of file r_bsp.c.

References AXIAL, model_s::bsp, mBspNode_s::children, mBspNode_s::contents, CONTENTS_NODE, CONTENTS_SOLID, cBspPlane_s::dist, DotProduct, mBspNode_s::firstsurface, mBspSurface_s::flags, rlocals_s::forward, rlocals_s::frame, mBspSurface_s::frame, i, cvar_s::integer, mBspNode_s::minmaxs, MSURF_PLANEBACK, cBspPlane_s::normal, mBspNode_s::numsurfaces, mBspNode_s::plane, R_CullBox(), r_isometric, r_locals, r_mapTiles, refdef, mBspModel_s::surfaces, cBspPlane_s::type, and rendererData_t::viewOrigin.

Referenced by R_RecurseWorld().

r_bsp.c File Reference

Defines

Functions

Detailed Description

Define Documentation

Function Documentation