#include "bsp.h"
#include "map.h"

Include dependency graph for bspbrush.cpp:

Macros
#define	TESTING_MOCK_SPLIT 1

Functions
static void	BoundBrush (bspbrush_t *brush)
	Sets the mins/maxs based on the windings.
static void	CreateBrushWindings (bspbrush_t *brush)
	makes basewindigs for sides and mins/maxs for the brush
bspbrush_t *	BrushFromBounds (const vec3_t mins, const vec3_t maxs)
	Creates a new axial brush.
static vec_t	BrushVolume (const bspbrush_t *brush)
	Returns the volume of the given brush.
int	CountBrushList (bspbrush_t *brushes)
	Returns the amount of brushes in the given brushlist.
bspbrush_t *	AllocBrush (int numsides)
void	FreeBrush (bspbrush_t *brushes)
void	FreeBrushList (bspbrush_t *brushes)
bspbrush_t *	CopyBrush (const bspbrush_t *brush)
	Duplicates the brush, the sides, and the windings.
static int	TestBrushToPlanenum (bspbrush_t brush, uint16_t planenum, int numsplits, bool hintsplit, int epsilonbrush)
uint32_t	BrushListCalcContents (bspbrush_t *brushlist)
	Collects the contentsflags of the brushes in the given list.
static int	BrushMostlyOnSide (const bspbrush_t brush, const plane_t plane)
	Checks on which side a of plane the brush is.
static bool	DoesPlaneSplitBrush (const bspbrush_t *brush, int planenum)
	Checks if the plane splits the brush.
static bool	CheckPlaneAgainstVolume (int pnum, const bspbrush_t *volume)
side_t *	SelectSplitSide (bspbrush_t brushes, bspbrush_t volume)
	Using a heuristic, choses one of the sides out of the brushlist to partition the brushes with.
void	SplitBrush (const bspbrush_t brush, uint16_t planenum, bspbrush_t front, bspbrush_t *back)
	Generates two new brushes, leaving the original unchanged.
void	SplitBrushList (bspbrush_t brushes, uint16_t planenum, bspbrush_t front, bspbrush_t *back)
void	BrushlistCalcStats (bspbrush_t *brushlist, AABB &blBox)
	Counts the faces and calculate the aabb.

Variables
int	c_nodes
int	c_nonvis
static int	c_active_brushes

Macro Definition Documentation

◆ TESTING_MOCK_SPLIT

#define TESTING_MOCK_SPLIT 1

Definition at line 352 of file bspbrush.cpp.

Function Documentation

◆ AllocBrush()

bspbrush_t * AllocBrush ( int numsides )

See also: AllocTree; AllocNode

Definition at line 166 of file bspbrush.cpp.

References c_active_brushes, Mem_Alloc, STANDARD_NUMBER_OF_BRUSHSIDES, and threadstate.

Referenced by BrushFromBounds(), CopyBrush(), MakeBspBrushList(), and SplitBrush().

◆ BoundBrush()

void BoundBrush ( bspbrush_t * brush )

static

Sets the mins/maxs based on the windings.

Definition at line 36 of file bspbrush.cpp.

References AABB::add(), bspbrush_t::brBox, i, winding_t::numpoints, bspbrush_t::numsides, winding_t::p, AABB::setNegativeVolume(), bspbrush_t::sides, and side_t::winding.

Referenced by CreateBrushWindings(), and SplitBrush().

◆ BrushFromBounds()

bspbrush_t * BrushFromBounds	(	const vec3_t	mins,
		const vec3_t	maxs )

Creates a new axial brush.

Definition at line 87 of file bspbrush.cpp.

References AllocBrush(), CreateBrushWindings(), FindOrCreateFloatPlane(), i, bspbrush_t::numsides, side_t::planenum, bspbrush_t::sides, and VectorClear.

Referenced by BuildTree().

◆ BrushListCalcContents()

uint32_t BrushListCalcContents ( bspbrush_t * brushlist )

Collects the contentsflags of the brushes in the given list.

Definition at line 300 of file bspbrush.cpp.

References CONTENTS_PASSABLE, CONTENTS_SOLID, i, bspbrush_t::next, bspbrush_t::numsides, bspbrush_t::original, bspbrush_t::sides, side_t::texinfo, and TEXINFO_NODE.

Referenced by LeafNode().

◆ BrushlistCalcStats()

void BrushlistCalcStats	(	bspbrush_t *	brushlist,
		AABB &	blBox )

Counts the faces and calculate the aabb.

Definition at line 759 of file bspbrush.cpp.

References AABB::add(), side_t::bevel, bspbrush_t::brBox, BrushVolume(), c_faces, Com_Printf(), config, i, bspbrush_t::next, bspbrush_t::numsides, bspbrush_t::original, bspbrush_t::sides, side_t::texinfo, TEXINFO_NODE, VERB_EXTRA, Verb_Printf(), side_t::visible, and side_t::winding.

Referenced by BuildTree().

◆ BrushMostlyOnSide()

int BrushMostlyOnSide	(	const bspbrush_t *	brush,
		const plane_t *	plane )

static

Checks on which side a of plane the brush is.

Todo: Or vice versa?

Definition at line 328 of file bspbrush.cpp.

References plane_t::dist, DotProduct, i, plane_t::normal, winding_t::numpoints, bspbrush_t::numsides, winding_t::p, PSIDE_BACK, PSIDE_FRONT, bspbrush_t::sides, and side_t::winding.

Referenced by SplitBrush().

◆ BrushVolume()

vec_t BrushVolume ( const bspbrush_t * brush )

static

Returns the volume of the given brush.

Definition at line 112 of file bspbrush.cpp.

References plane_t::dist, DotProduct, i, mapplanes, plane_t::normal, bspbrush_t::numsides, winding_t::p, side_t::planenum, bspbrush_t::sides, VectorCopy, side_t::winding, and WindingArea().

Referenced by BrushlistCalcStats(), and SplitBrush().

◆ CheckPlaneAgainstVolume()

bool CheckPlaneAgainstVolume	(	int	pnum,
		const bspbrush_t *	volume )

static

Definition at line 384 of file bspbrush.cpp.

References DoesPlaneSplitBrush().

Referenced by SelectSplitSide().

◆ CopyBrush()

bspbrush_t * CopyBrush ( const bspbrush_t * brush )

Duplicates the brush, the sides, and the windings.

See also: AllocBrush

Definition at line 207 of file bspbrush.cpp.

References AllocBrush(), CopyWinding(), i, bspbrush_t::numsides, bspbrush_t::sides, STANDARD_NUMBER_OF_BRUSHSIDES, and side_t::winding.

Referenced by SplitBrush(), and SplitBrushList().

◆ CountBrushList()

int CountBrushList ( bspbrush_t * brushes )

Returns the amount of brushes in the given brushlist.

Definition at line 152 of file bspbrush.cpp.

References bspbrush_t::next.

Referenced by ChopBrushes().

◆ CreateBrushWindings()

void CreateBrushWindings ( bspbrush_t * brush )

static

makes basewindigs for sides and mins/maxs for the brush

Returns: false if the brush doesn't enclose a valid volume

Definition at line 53 of file bspbrush.cpp.

References BaseWindingForPlane(), side_t::bevel, BoundBrush(), ChopWindingInPlace(), plane_t::dist, FixWinding(), i, mapplanes, plane_t::normal, bspbrush_t::numsides, side_t::planenum, bspbrush_t::sides, VERB_EXTRA, Verb_Printf(), and side_t::winding.

Referenced by BrushFromBounds().

◆ DoesPlaneSplitBrush()

bool DoesPlaneSplitBrush	(	const bspbrush_t *	brush,
		int	planenum )

static

Checks if the plane splits the brush.

Definition at line 357 of file bspbrush.cpp.

References plane_t::dist, DotProduct, i, mapplanes, plane_t::normal, winding_t::numpoints, bspbrush_t::numsides, winding_t::p, bspbrush_t::sides, and side_t::winding.

Referenced by CheckPlaneAgainstVolume().

◆ FreeBrush()

void FreeBrush ( bspbrush_t * brushes )

See also: AllocBrush

Definition at line 179 of file bspbrush.cpp.

References c_active_brushes, FreeWinding(), i, Mem_Free, bspbrush_t::numsides, bspbrush_t::sides, threadstate, and side_t::winding.

Referenced by ClipBrushToBox(), CullList(), FreeBrushList(), FreeTree_r(), SplitBrush(), and SubtractBrush().

◆ FreeBrushList()

void FreeBrushList ( bspbrush_t * brushes )

See also: AllocBrush; CountBrushList

Definition at line 193 of file bspbrush.cpp.

References FreeBrush(), and bspbrush_t::next.

Referenced by BuildTree_r(), ChopBrushes(), FreeTree_r(), and SubtractBrush().

◆ SelectSplitSide()

side_t * SelectSplitSide	(	bspbrush_t *	brushes,
		bspbrush_t *	volume )

Using a heuristic, choses one of the sides out of the brushlist to partition the brushes with.

Returns: nullptr if there are no valid planes to split with..

the search order goes: visible-structural, visible-detail, nonvisible-structural, nonvisible-detail. If any valid plane is available in a pass, no further passes will be tried.

Definition at line 416 of file bspbrush.cpp.

References AXIAL, side_t::bevel, c_nonvis, CheckPlaneAgainstVolume(), CONTENTS_DETAIL, i, mapplanes, bspbrush_t::next, bspbrush_t::numsides, bspbrush_t::original, side_t::planenum, PSIDE_BACK, PSIDE_BOTH, PSIDE_FACING, PSIDE_FRONT, bspbrush_t::side, bspbrush_t::sides, SURF_HINT, SURF_SKIP, side_t::surfaceFlags, Sys_Error(), TestBrushToPlanenum(), side_t::tested, bspbrush_t::testside, side_t::texinfo, TEXINFO_NODE, threadstate, side_t::visible, and side_t::winding.

Referenced by BuildTree_r().

◆ SplitBrush()

void SplitBrush	(	const bspbrush_t *	brush,
		uint16_t	planenum,
		bspbrush_t **	front,
		bspbrush_t **	back )

Generates two new brushes, leaving the original unchanged.

Todo: Print brush and entnum either of the brush that was splitted or the plane that was used as splitplane

Todo: Print brush and entnum either of the brush that was split or the plane that was used as splitplane

Todo: Print brush and entnum either of the brush that was splitted or the plane that was used as splitplane

Todo: Print brush and entnum either of the brush that was splitted or the plane that was used as splitplane

Definition at line 544 of file bspbrush.cpp.

References AllocBrush(), BaseWindingForPlane(), BoundBrush(), bspbrush_t::brBox, BrushMostlyOnSide(), BrushVolume(), ChopWindingInPlace(), ClipWindingEpsilon(), Com_Printf(), CopyBrush(), CopyWinding(), plane_t::dist, DotProduct, FreeBrush(), i, mapplanes, MAX_WORLD_WIDTH, AABB::maxs, plane_t::normal, winding_t::numpoints, bspbrush_t::numsides, bspbrush_t::original, winding_t::p, side_t::planenum, PSIDE_BACK, PSIDE_FRONT, bspbrush_t::sides, side_t::tested, side_t::texinfo, TEXINFO_NODE, VERB_EXTRA, Verb_Printf(), side_t::visible, side_t::winding, WindingIsHuge(), and WindingIsTiny().

Referenced by BuildTree_r(), ClipBrushToBox(), SplitBrushList(), and SubtractBrush().

◆ SplitBrushList()

void SplitBrushList	(	bspbrush_t *	brushes,
		uint16_t	planenum,
		bspbrush_t **	front,
		bspbrush_t **	back )

Definition at line 700 of file bspbrush.cpp.

References CopyBrush(), i, bspbrush_t::next, bspbrush_t::numsides, bspbrush_t::original, side_t::planenum, PSIDE_BACK, PSIDE_BOTH, PSIDE_FACING, PSIDE_FRONT, bspbrush_t::side, bspbrush_t::sides, SplitBrush(), side_t::texinfo, TEXINFO_NODE, VERB_DUMP, and Verb_Printf().

Referenced by BuildTree_r().

◆ TestBrushToPlanenum()

int TestBrushToPlanenum	(	bspbrush_t *	brush,
		uint16_t	planenum,
		int *	numsplits,
		bool *	hintsplit,
		int *	epsilonbrush )

static

Definition at line 224 of file bspbrush.cpp.

References bspbrush_t::brBox, dBspPlane_t::dist, plane_t::dist, DotProduct, i, mapplanes, AABB::maxs, AABB::mins, dBspPlane_t::normal, plane_t::normal, winding_t::numpoints, bspbrush_t::numsides, winding_t::p, side_t::planenum, PSIDE_BACK, PSIDE_BOTH, PSIDE_FACING, PSIDE_FRONT, bspbrush_t::sides, SURF_HINT, side_t::surfaceFlags, side_t::texinfo, TEXINFO_NODE, TR_BoxOnPlaneSide(), dBspPlane_t::type, plane_t::type, VectorCopy, side_t::visible, and side_t::winding.

Referenced by SelectSplitSide().

Variable Documentation

◆ c_active_brushes

int c_active_brushes

static

Definition at line 30 of file bspbrush.cpp.

Referenced by AllocBrush(), and FreeBrush().

◆ c_nodes

int c_nodes

extern

Definition at line 27 of file tree.cpp.

Referenced by BuildTree(), BuildTree_r(), and FreeTree_r().

◆ c_nonvis

int c_nonvis

extern

Definition at line 28 of file tree.cpp.

Referenced by BuildTree(), and SelectSplitSide().

Macros

Functions

Variables

Macro Definition Documentation

◆ TESTING_MOCK_SPLIT

Function Documentation

◆ AllocBrush()

◆ BoundBrush()

◆ BrushFromBounds()

◆ BrushListCalcContents()

◆ BrushlistCalcStats()

◆ BrushMostlyOnSide()

◆ BrushVolume()

◆ CheckPlaneAgainstVolume()

◆ CopyBrush()

◆ CountBrushList()

◆ CreateBrushWindings()

◆ DoesPlaneSplitBrush()

◆ FreeBrush()

◆ FreeBrushList()

◆ SelectSplitSide()

◆ SplitBrush()

◆ SplitBrushList()

◆ TestBrushToPlanenum()

Variable Documentation

◆ c_active_brushes

◆ c_nodes

◆ c_nonvis