C++ (Cpp) CM_BoundsIntersectPoint Exemples

Exemple #1

Fichier : cm_test.c Projet : ioid3-games/ioid3-rtcw

/*
=======================================================================================================================================
CM_PointContents

=======================================================================================================================================
*/
int CM_PointContents(const vec3_t p, clipHandle_t model) {
	int leafnum;
	int i, k;
	int brushnum;
	cLeaf_t     *leaf;
	cbrush_t    *b;
	int contents;
	float d;
	cmodel_t    *clipm;

	if (!cm.numNodes) { // map not loaded
		return 0;
	}

	if (model) {
		clipm = CM_ClipHandleToModel(model);
		leaf = &clipm->leaf;
	} else {
		leafnum = CM_PointLeafnum_r(p, 0);
		leaf = &cm.leafs[leafnum];
	}

	contents = 0;
	for (k = 0 ; k < leaf->numLeafBrushes ; k++) {
		brushnum = cm.leafbrushes[leaf->firstLeafBrush + k];
		b = &cm.brushes[brushnum];

		if (!CM_BoundsIntersectPoint(b->bounds[0], b->bounds[1], p)) {
			continue;
		}

		// see if the point is in the brush
		for (i = 0 ; i < b->numsides ; i++) {
			d = DotProduct(p, b->sides[i].plane->normal);
// FIXME test for Cash
//			if (d >= b->sides[i].plane->dist) {
			if (d > b->sides[i].plane->dist) {
				break;
			}
		}

		if (i == b->numsides) {
			contents |= b->contents;
		}
	}

	return contents;
}

Exemple #2

Fichier : cm_test.cpp Projet : bentley/Unvanquished

/*
==================
CM_PointContents

==================
*/
int CM_PointContents( const vec3_t p, clipHandle_t model )
{
	int      leafnum;
	int      i, k;
	int      brushnum;
	cLeaf_t  *leaf;
	cbrush_t *b;
	int      contents;
	float    d;
	cmodel_t *clipm;

	if ( !cm.numNodes )
	{
		// map not loaded
		return 0;
	}

	if ( model )
	{
		clipm = CM_ClipHandleToModel( model );
		leaf = &clipm->leaf;
	}
	else
	{
		leafnum = CM_PointLeafnum_r( p, 0 );
		leaf = &cm.leafs[ leafnum ];
	}

// XreaL BEGIN
	if ( leaf->area == -1 )
	{
		// RB: added this optimization
		// p is in the void and we should return solid so particles can be removed from the void
		return CONTENTS_SOLID;
	}

// XreaL END

	contents = 0;

	for ( k = 0; k < leaf->numLeafBrushes; k++ )
	{
		brushnum = cm.leafbrushes[ leaf->firstLeafBrush + k ];
		b = &cm.brushes[ brushnum ];

		// XreaL BEGIN
		if ( !CM_BoundsIntersectPoint( b->bounds[ 0 ], b->bounds[ 1 ], p ) )
		{
			continue;
		}

		// XreaL END

		// see if the point is in the brush
		for ( i = 0; i < b->numsides; i++ )
		{
			d = DotProduct( p, b->sides[ i ].plane->normal );

// FIXME test for Cash
//          if ( d >= b->sides[i].plane->dist ) {
			if ( d > b->sides[ i ].plane->dist )
			{
				break;
			}
		}

		if ( i == b->numsides )
		{
			contents |= b->contents;
		}
	}

	return contents;
}