collideTrees Struct Reference

#include <unit_collide.h>

Public Member Functions
bool	usingColTree () const
csOPCODECollider *	colTree (Unit *un, const Vector &othervelocity)
	collideTrees (const std::string &hk, csOPCODECollider *cT, csOPCODECollider *cS)
void	Inc ()
void	Dec ()

Static Public Member Functions
static collideTrees *	Get (const std::string &hash_key)

Public Attributes
std::string	hash_key
csOPCODECollider *	rapidColliders [collideTreesMaxTrees]
csOPCODECollider *	colShield
int	refcount

Detailed Description

Definition at line 274 of file unit_collide.h.

Constructor & Destructor Documentation

collideTrees::collideTrees	(	const std::string &	hk,
		csOPCODECollider *	cT,
		csOPCODECollider *	cS
	)

Definition at line 19 of file collide.cpp.

References collideTreesMaxTrees, hash_key, i, Hashtable< KEY, VALUE, SIZ >::Put(), rapidColliders, and refcount.

                                                   : hash_key( hk )
    , colShield( cS )
{
    for (unsigned int i = 0; i < collideTreesMaxTrees; ++i)
        rapidColliders[i] = NULL;
    rapidColliders[0] = cT;

    refcount = 1;
    unitColliders.Put( hash_key, this );
}

Member Function Documentation

csOPCODECollider * collideTrees::colTree	(	Unit *	un,
		const Vector &	othervelocity
	)

Definition at line 32 of file collide.cpp.

References collideTreesMaxTrees, Unit::getCollideTree(), VegaConfig::getVariable(), Unit::GetVelocity(), XMLSupport::parse_int(), rapidColliders, Unit::rSize(), SIMULATION_ATOM, Vector, and vs_config.

Referenced by ContinuousTerrain::Collide(), Unit::Collide(), Unit::InsideCollideTree(), and Unit::rayCollide().

{
    const float const_factor = 1;
    float magsqr = un->GetVelocity().MagnitudeSquared();
    float newmagsqr    = (un->GetVelocity()-othervelocity).MagnitudeSquared();
    float speedsquared = const_factor*const_factor*(magsqr > newmagsqr ? newmagsqr : magsqr);
    static unsigned int max_collide_trees = static_cast<unsigned int>(XMLSupport::parse_int( vs_config->getVariable( "physics", "max_collide_trees", "16384" ) ));
    if (un->rSize()*un->rSize() > SIMULATION_ATOM*SIMULATION_ATOM*speedsquared || max_collide_trees == 1)
        return rapidColliders[0];
    if (rapidColliders[0] == NULL)
        return NULL;
    if (un->rSize() <= 0.)      //Shouldn't happen bug I've seen this for asteroid fields...
        return NULL;
    //Force pow to 0 in order to avoid nan problems...
    unsigned int   pow = 0;
    if (pow >= collideTreesMaxTrees || pow >= max_collide_trees)
        pow = collideTreesMaxTrees-1;
    int val = 1<<pow;
    if (rapidColliders[pow] == NULL)
        rapidColliders[pow] = un->getCollideTree( Vector( 1, 1, val ) );
    return rapidColliders[pow];
}

void collideTrees::Dec

(

)

Definition at line 60 of file collide.cpp.

References collideTreesMaxTrees, colShield, Hashtable< KEY, VALUE, SIZ >::Delete(), hash_key, i, rapidColliders, and refcount.

{
    refcount--;
    if (refcount == 0) {
        unitColliders.Delete( hash_key );
        for (unsigned int i = 0; i < collideTreesMaxTrees; ++i)
            if (rapidColliders[i])
                delete rapidColliders[i];
        if (colShield)
            delete colShield;
        delete this;
        return;
    }
}

collideTrees * collideTrees::Get ( const std::string &  hash_key)

static

Definition at line 55 of file collide.cpp.

References Hashtable< KEY, VALUE, SIZ >::Get().

Referenced by Unit::LoadRow().

{
    return unitColliders.Get( hash_key );
}

void collideTrees::Inc ( )

inline

Definition at line 293 of file unit_collide.h.

References refcount.

Referenced by Unit::LoadRow().

    {
        refcount++;
    }

bool collideTrees::usingColTree ( ) const

inline

Definition at line 280 of file unit_collide.h.

References rapidColliders.

Referenced by Unit::InsideCollideTree(), and LaunchOneParticle().

    {
        return rapidColliders[0] != NULL;
    }

Member Data Documentation

csOPCODECollider* collideTrees::colShield

Definition at line 289 of file unit_collide.h.

Referenced by Dec().

std::string collideTrees::hash_key

Definition at line 276 of file unit_collide.h.

Referenced by collideTrees(), and Dec().

csOPCODECollider* collideTrees::rapidColliders[collideTreesMaxTrees]

Definition at line 278 of file unit_collide.h.

Referenced by collideTrees(), colTree(), Dec(), LaunchOneParticle(), Unit::LoadRow(), and usingColTree().

int collideTrees::refcount

Definition at line 291 of file unit_collide.h.

Referenced by collideTrees(), Dec(), and Inc().

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The documentation for this struct was generated from the following files:

• src/cmd/unit_collide.h
• src/cmd/collide.cpp