/*
================
CM_TestInLeaf
================
*/
void CM_TestInLeaf(traceWork_t *tw, cLeaf_t *leaf)
{
int k;
int brushnum;
cbrush_t *b;
// test box position against all brushes in the leaf
for (k = 0 ; k < leaf->numLeafBrushes ; k++)
{
brushnum = cm.leafbrushes[leaf->firstLeafBrush + k];
b = &cm.brushes[brushnum];
if (b->checkcount == cm.checkcount)
{
continue; // already checked this brush in another leaf
}
b->checkcount = cm.checkcount;
if (!(b->contents & tw->contents))
{
continue;
}
CM_TestBoxInBrush(tw, b);
if (tw->trace.allsolid)
{
return;
}
}
// test against all patches
if (!cm_noCurves->integer)
{
cPatch_t *patch;
for (k = 0 ; k < leaf->numLeafSurfaces ; k++)
{
patch = cm.surfaces[cm.leafsurfaces[leaf->firstLeafSurface + k]];
if (!patch)
{
continue;
}
if (patch->checkcount == cm.checkcount)
{
continue; // already checked this brush in another leaf
}
patch->checkcount = cm.checkcount;
if (!(patch->contents & tw->contents))
{
continue;
}
if (CM_PositionTestInPatchCollide(tw, patch->pc))
{
tw->trace.startsolid = tw->trace.allsolid = qtrue;
tw->trace.fraction = 0;
return;
}
}
}
}
/*
================
CM_TestInLeaf
================
*/
void CM_TestInLeaf( traceWork_t *tw, cLeaf_t *leaf, clipMap_t *local ) {
int k;
int brushnum;
cbrush_t *b;
cPatch_t *patch;
// test box position against all brushes in the leaf
for (k=0 ; k<leaf->numLeafBrushes ; k++) {
brushnum = local->leafbrushes[leaf->firstLeafBrush+k];
b = &local->brushes[brushnum];
if (b->checkcount == local->checkcount) {
continue; // already checked this brush in another leaf
}
b->checkcount = local->checkcount;
if ( !(b->contents & tw->contents)) {
continue;
}
#ifndef BSPC
#ifndef _XBOX // Removing terrain from Xbox
if (com_terrainPhysics->integer && cmg.landScape && (b->contents & CONTENTS_TERRAIN) )
{
// Invalidate the checkcount for terrain as the terrain brush has to be processed
// many times.
b->checkcount--;
CM_TraceThroughTerrain( tw, tw->trace, b );
// If inside a terrain brush don't bother with regular brush collision
continue;
}
#endif
#endif
CM_TestBoxInBrush( tw, b );
if ( tw->trace.allsolid ) {
return;
}
}
// test against all patches
#ifdef BSPC
if (1) {
#else
if ( !cm_noCurves->integer ) {
#endif //BSPC
for ( k = 0 ; k < leaf->numLeafSurfaces ; k++ ) {
#ifdef _XBOX
int index = CM_GetSurfaceIndex(leaf->firstLeafSurface + k);
patch = cmg.surfaces[ index ];
#else
patch = local->surfaces[ local->leafsurfaces[ leaf->firstLeafSurface + k ] ];
#endif
if ( !patch ) {
continue;
}
if ( patch->checkcount == local->checkcount ) {
continue; // already checked this brush in another leaf
}
patch->checkcount = local->checkcount;
if ( !(patch->contents & tw->contents)) {
continue;
}
if ( CM_PositionTestInPatchCollide( tw, patch->pc ) ) {
tw->trace.startsolid = tw->trace.allsolid = qtrue;
tw->trace.fraction = 0;
tw->trace.contents = patch->contents;
return;
}
}
}
}
/*
==================
CM_PositionTest
==================
*/
#define MAX_POSITION_LEAFS 1024
void CM_PositionTest( traceWork_t *tw ) {
int leafs[MAX_POSITION_LEAFS];
int i;
leafList_t ll;
// identify the leafs we are touching
VectorAdd( tw->start, tw->size[0], ll.bounds[0] );
VectorAdd( tw->start, tw->size[1], ll.bounds[1] );
for (i=0 ; i<3 ; i++) {
ll.bounds[0][i] -= 1;
ll.bounds[1][i] += 1;
}
ll.count = 0;
ll.maxcount = MAX_POSITION_LEAFS;
ll.list = leafs;
ll.storeLeafs = CM_StoreLeafs;
ll.lastLeaf = 0;
ll.overflowed = qfalse;
cmg.checkcount++;
CM_BoxLeafnums_r( &ll, 0 );
cmg.checkcount++;
// test the contents of the leafs
for (i=0 ; i < ll.count ; i++) {
CM_TestInLeaf( tw, &cmg.leafs[leafs[i]], &cmg );
if ( tw->trace.allsolid ) {
break;
}
}
}
static void CM_TestInLeaf( traceWork_t* tw, const cLeaf_t* leaf )
{
int k;
int brushnum;
cbrush_t *b;
cPatch_t *patch;
// test box position against all brushes in the leaf
for (k=0 ; k<leaf->numLeafBrushes ; k++) {
brushnum = cm.leafbrushes[leaf->firstLeafBrush+k];
b = &cm.brushes[brushnum];
if (b->checkcount == cm.checkcount) {
continue; // already checked this brush in another leaf
}
b->checkcount = cm.checkcount;
if ( !(b->contents & tw->contents)) {
continue;
}
CM_TestBoxInBrush( tw, b );
if ( tw->trace.allsolid ) {
return;
}
}
// test against all patches
#ifdef BSPC
if (1) {
#else
if ( !cm_noCurves->integer ) {
#endif //BSPC
for ( k = 0 ; k < leaf->numLeafSurfaces ; k++ ) {
patch = cm.surfaces[ cm.leafsurfaces[ leaf->firstLeafSurface + k ] ];
if ( !patch ) {
continue;
}
if ( patch->checkcount == cm.checkcount ) {
continue; // already checked this brush in another leaf
}
patch->checkcount = cm.checkcount;
if ( !(patch->contents & tw->contents)) {
continue;
}
if ( CM_PositionTestInPatchCollide( tw, patch->pc ) ) {
tw->trace.startsolid = tw->trace.allsolid = qtrue;
tw->trace.fraction = 0;
tw->trace.contents = patch->contents;
return;
}
}
}
}
/*
==================
CM_TestCapsuleInCapsule
capsule inside capsule check
==================
*/
void CM_TestCapsuleInCapsule( traceWork_t *tw, clipHandle_t model ) {
int i;
vec3_t mins, maxs;
vec3_t top, bottom;
vec3_t p1, p2, tmp;
vec3_t offset, symetricSize[2];
float radius, halfwidth, halfheight, offs, r;
CM_ModelBounds(model, mins, maxs);
VectorAdd(tw->start, tw->sphere.offset, top);
VectorSubtract(tw->start, tw->sphere.offset, bottom);
for ( i = 0 ; i < 3 ; i++ ) {
offset[i] = ( mins[i] + maxs[i] ) * 0.5;
symetricSize[0][i] = mins[i] - offset[i];
symetricSize[1][i] = maxs[i] - offset[i];
}
halfwidth = symetricSize[ 1 ][ 0 ];
halfheight = symetricSize[ 1 ][ 2 ];
radius = ( halfwidth > halfheight ) ? halfheight : halfwidth;
offs = halfheight - radius;
r = Square(tw->sphere.radius + radius);
// check if any of the spheres overlap
VectorCopy(offset, p1);
p1[2] += offs;
VectorSubtract(p1, top, tmp);
if ( VectorLengthSquared(tmp) < r ) {
tw->trace.startsolid = tw->trace.allsolid = qtrue;
tw->trace.fraction = 0;
}
VectorSubtract(p1, bottom, tmp);
if ( VectorLengthSquared(tmp) < r ) {
tw->trace.startsolid = tw->trace.allsolid = qtrue;
tw->trace.fraction = 0;
}
VectorCopy(offset, p2);
p2[2] -= offs;
VectorSubtract(p2, top, tmp);
if ( VectorLengthSquared(tmp) < r ) {
tw->trace.startsolid = tw->trace.allsolid = qtrue;
tw->trace.fraction = 0;
}
VectorSubtract(p2, bottom, tmp);
if ( VectorLengthSquared(tmp) < r ) {
tw->trace.startsolid = tw->trace.allsolid = qtrue;
tw->trace.fraction = 0;
}
// if between cylinder up and lower bounds
if ( (top[2] >= p1[2] && top[2] <= p2[2]) ||
(bottom[2] >= p1[2] && bottom[2] <= p2[2]) ) {
// 2d coordinates
top[2] = p1[2] = 0;
// if the cylinders overlap
VectorSubtract(top, p1, tmp);
if ( VectorLengthSquared(tmp) < r ) {
tw->trace.startsolid = tw->trace.allsolid = qtrue;
tw->trace.fraction = 0;
}
}
}
/*
================
CM_TestInLeaf
================
*/
void CM_TestInLeaf( traceWork_t *tw, trace_t &trace, cLeaf_t *leaf, clipMap_t *local )
{
int k;
int brushnum;
cbrush_t *b;
cPatch_t *patch;
// test box position against all brushes in the leaf
for (k=0 ; k<leaf->numLeafBrushes ; k++) {
brushnum = local->leafbrushes[leaf->firstLeafBrush+k];
b = &local->brushes[brushnum];
if (b->checkcount == local->checkcount) {
continue; // already checked this brush in another leaf
}
b->checkcount = local->checkcount;
if ( !(b->contents & tw->contents)) {
continue;
}
#ifndef BSPC
if (com_terrainPhysics->integer && cmg.landScape && (b->contents & CONTENTS_TERRAIN) )
{
// Invalidate the checkcount for terrain as the terrain brush has to be processed
// many times.
b->checkcount--;
CM_TraceThroughTerrain( tw, trace, b );
// If inside a terrain brush don't bother with regular brush collision
continue;
}
#endif
CM_TestBoxInBrush( tw, trace, b );
if ( trace.allsolid ) {
return;
}
}
// test against all patches
#ifdef BSPC
if (1) {
#else
if ( !cm_noCurves->integer ) {
#endif //BSPC
for ( k = 0 ; k < leaf->numLeafSurfaces ; k++ ) {
patch = local->surfaces[ local->leafsurfaces[ leaf->firstLeafSurface + k ] ];
if ( !patch ) {
continue;
}
if ( patch->checkcount == local->checkcount ) {
continue; // already checked this brush in another leaf
}
patch->checkcount = local->checkcount;
if ( !(patch->contents & tw->contents)) {
continue;
}
if ( CM_PositionTestInPatchCollide( tw, patch->pc ) ) {
trace.startsolid = trace.allsolid = qtrue;
trace.fraction = 0;
trace.contents = patch->contents;
return;
}
}
}
}
/*
==================
CM_TestCapsuleInCapsule
capsule inside capsule check
==================
*/
void CM_TestCapsuleInCapsule( traceWork_t *tw, trace_t &trace, clipHandle_t model ) {
int i;
vec3_t mins, maxs;
vec3_t top, bottom;
vec3_t p1, p2, tmp;
vec3_t offset, symetricSize[2];
float radius, halfwidth, halfheight, offs, r;
CM_ModelBounds(model, mins, maxs);
VectorAdd(tw->start, tw->sphere.offset, top);
VectorSubtract(tw->start, tw->sphere.offset, bottom);
for ( i = 0 ; i < 3 ; i++ ) {
offset[i] = ( mins[i] + maxs[i] ) * 0.5;
symetricSize[0][i] = mins[i] - offset[i];
symetricSize[1][i] = maxs[i] - offset[i];
}
halfwidth = symetricSize[ 1 ][ 0 ];
halfheight = symetricSize[ 1 ][ 2 ];
radius = ( halfwidth > halfheight ) ? halfheight : halfwidth;
offs = halfheight - radius;
r = Square(tw->sphere.radius + radius);
// check if any of the spheres overlap
VectorCopy(offset, p1);
p1[2] += offs;
VectorSubtract(p1, top, tmp);
if ( VectorLengthSquared(tmp) < r ) {
trace.startsolid = trace.allsolid = qtrue;
trace.fraction = 0;
}
VectorSubtract(p1, bottom, tmp);
if ( VectorLengthSquared(tmp) < r ) {
trace.startsolid = trace.allsolid = qtrue;
trace.fraction = 0;
}
VectorCopy(offset, p2);
p2[2] -= offs;
VectorSubtract(p2, top, tmp);
if ( VectorLengthSquared(tmp) < r ) {
trace.startsolid = trace.allsolid = qtrue;
trace.fraction = 0;
}
VectorSubtract(p2, bottom, tmp);
if ( VectorLengthSquared(tmp) < r ) {
trace.startsolid = trace.allsolid = qtrue;
trace.fraction = 0;
}
// if between cylinder up and lower bounds
if ( (top[2] >= p1[2] && top[2] <= p2[2]) ||
(bottom[2] >= p1[2] && bottom[2] <= p2[2]) ) {
// 2d coordinates
top[2] = p1[2] = 0;
// if the cylinders overlap
VectorSubtract(top, p1, tmp);
if ( VectorLengthSquared(tmp) < r ) {
trace.startsolid = trace.allsolid = qtrue;
trace.fraction = 0;
}
}
}
