Octree.m File Reference

import "Octree.h"
import "OOMaths.h"
import "Entity.h"
import "OOOpenGL.h"
import "OODebugGLDrawing.h"
import "OOMacroOpenGL.h"
import "OODebugFlags.h"
import "NSObjectOOExtensions.h"
import "OOCollectionExtractors.h"

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Classes
struct	Octree_details
category	Octree(Private)

Macros
#define	OctreeDebugLog(format, ...)   do { if (EXPECT_NOT(gDebugFlags & DEBUG_OCTREE_LOGGING)) OOLog(@"octree.debug", format, ## __VA_ARGS__); } while (0)
#define	OCTREE_COLOR(r, g, b, a)   do {} while (0)

Enumerations
enum	{ kMinimumBuilderCapacity = 16 << 10 }

Functions
static BOOL	isHitByLine (const int *octbuffer, unsigned char *collbuffer, int level, GLfloat rad, Vector v0, Vector v1, Vector off, int face_hit)
static GLfloat	volumeOfOctree (Octree_details octree_details, unsigned depthLimit)
static Vector	randomFullNodeFrom (Octree_details details, Vector offset)
static BOOL	isHitByOctree (Octree_details axialDetails, Octree_details otherDetails, Vector delta, Triangle other_ijk)

Variables
static const int	change_oct [] = { 0, 1, 2, 4, 3, 5, 6, 7 }
static BOOL	drawTestForCollisions
static BOOL	hasCollided = NO
static GLfloat	hit_dist = 0.0

Macro Definition Documentation

OCTREE_COLOR

#define OCTREE_COLOR	(		r,
			g,
			b,
			a )   do {} while (0)

Definition at line 200 of file Octree.m.

OctreeDebugLog

#define OctreeDebugLog	(		format,
			... )   do { if (EXPECT_NOT(gDebugFlags & DEBUG_OCTREE_LOGGING)) OOLog(@"octree.debug", format, ## __VA_ARGS__); } while (0)

Definition at line 37 of file Octree.m.

Referenced by Octree::dictionaryRepresentation, and Octree::isHitByLine.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
kMinimumBuilderCapacity

Definition at line 779 of file Octree.m.

{
    /*
        Initial capacity of OOOctreeBuilder. 16 KibiEntries is enough to handle
        all but 2 built-in models; I expect similar results for OXPs, since
        geometry detail has limited effect on the octree. Large models with
        higher depth are more likely to need growth.
    */
    kMinimumBuilderCapacity = 16 << 10
};

Function Documentation

isHitByLine()

static BOOL isHitByLine ( const int * octbuffer, unsigned char * collbuffer, int level, GLfloat rad, Vector v0, Vector v1, Vector off, int face_hit )

static

Referenced by Octree::isHitByLineSub.

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isHitByOctree()

static BOOL isHitByOctree ( Octree_details axialDetails, Octree_details otherDetails, Vector delta, Triangle other_ijk )

static

Referenced by ShipEntity::absoluteIJKForSubentity, and Octree::dictionaryRepresentation.

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randomFullNodeFrom()

static Vector randomFullNodeFrom ( Octree_details details, Vector offset )

static

Referenced by Octree::randomFullNodeFrom.

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volumeOfOctree()

static GLfloat volumeOfOctree ( Octree_details octree_details, unsigned depthLimit )

static

Referenced by Octree::volume.

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Variable Documentation

change_oct

const int change_oct[] = { 0, 1, 2, 4, 3, 5, 6, 7 }

static

Definition at line 68 of file Octree.m.

{ 0, 1, 2, 4, 3, 5, 6, 7 }; // used to move from nearest to furthest octant

Referenced by Octree::dictionaryRepresentation.

drawTestForCollisions

BOOL drawTestForCollisions

static

Definition at line 270 of file Octree.m.

Referenced by Octree(Private)::drawOctreeCollisionFromLocation:loc:scale:.

hasCollided

BOOL hasCollided = NO

static

Definition at line 370 of file Octree.m.

Referenced by Octree::isHitByLine.

hit_dist

GLfloat hit_dist = 0.0

static

Definition at line 371 of file Octree.m.

Referenced by Octree::isHitByLine.