#define HULLCHECKSTATE_SOLID 1
#define HULLCHECKSTATE_DONE 2
-extern cvar_t collision_prefernudgedfraction;
static int Mod_Q1BSP_RecursiveHullCheck(RecursiveHullCheckTraceInfo_t *t, int num, double p1f, double p2f, double p1[3], double p2[3])
{
// status variables, these don't need to be saved on the stack when
// variables that need to be stored on the stack when recursing
mclipnode_t *node;
- int side;
+ int p1side, p2side;
double midf, mid[3];
- // LordHavoc: a goto! everyone flee in terror... :)
-loc0:
- // check for empty
- if (num < 0)
- {
- num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
- if (!t->trace->startfound)
- {
- t->trace->startfound = true;
- t->trace->startsupercontents |= num;
- }
- if (num & SUPERCONTENTS_LIQUIDSMASK)
- t->trace->inwater = true;
- if (num == 0)
- t->trace->inopen = true;
- if (num & SUPERCONTENTS_SOLID)
- t->trace->hittexture = &mod_q1bsp_texture_solid;
- else if (num & SUPERCONTENTS_SKY)
- t->trace->hittexture = &mod_q1bsp_texture_sky;
- else if (num & SUPERCONTENTS_LAVA)
- t->trace->hittexture = &mod_q1bsp_texture_lava;
- else if (num & SUPERCONTENTS_SLIME)
- t->trace->hittexture = &mod_q1bsp_texture_slime;
- else
- t->trace->hittexture = &mod_q1bsp_texture_water;
- t->trace->hitq3surfaceflags = t->trace->hittexture->surfaceflags;
- t->trace->hitsupercontents = num;
- if (num & t->trace->hitsupercontentsmask)
+ // keep looping until we hit a leaf
+ while (num >= 0)
+ {
+ // find the point distances
+ node = t->hull->clipnodes + num;
+ plane = t->hull->planes + node->planenum;
+
+ // axial planes can be calculated more quickly without the DotProduct
+ if (plane->type < 3)
{
- // if the first leaf is solid, set startsolid
- if (t->trace->allsolid)
- t->trace->startsolid = true;
-#if COLLISIONPARANOID >= 3
- Con_Print("S");
-#endif
- return HULLCHECKSTATE_SOLID;
+ t1 = p1[plane->type] - plane->dist;
+ t2 = p2[plane->type] - plane->dist;
}
else
{
- t->trace->allsolid = false;
-#if COLLISIONPARANOID >= 3
- Con_Print("E");
-#endif
- return HULLCHECKSTATE_EMPTY;
+ t1 = DotProduct (plane->normal, p1) - plane->dist;
+ t2 = DotProduct (plane->normal, p2) - plane->dist;
}
- }
- // find the point distances
- node = t->hull->clipnodes + num;
+ // negative plane distances indicate children[1] (behind plane)
+ p1side = t1 < 0;
+ p2side = t2 < 0;
- plane = t->hull->planes + node->planenum;
- if (plane->type < 3)
- {
- t1 = p1[plane->type] - plane->dist;
- t2 = p2[plane->type] - plane->dist;
- }
- else
- {
- t1 = DotProduct (plane->normal, p1) - plane->dist;
- t2 = DotProduct (plane->normal, p2) - plane->dist;
- }
-
- if (t1 < 0)
- {
- if (t2 < 0)
+ // if the line starts and ends on the same side of the plane, recurse
+ // into that child instantly
+ if (p1side == p2side)
{
#if COLLISIONPARANOID >= 3
- Con_Print("<");
+ if (p1side)
+ Con_Print("<");
+ else
+ Con_Print(">");
#endif
- num = node->children[1];
- goto loc0;
+ // loop back and process the start child
+ num = node->children[p1side];
}
- side = 1;
- }
- else
- {
- if (t2 >= 0)
+ else
{
+ // find the midpoint where the line crosses the plane, use the
+ // original line for best accuracy
#if COLLISIONPARANOID >= 3
- Con_Print(">");
+ Con_Print("M");
#endif
- num = node->children[0];
- goto loc0;
- }
- side = 0;
- }
+ if (plane->type < 3)
+ {
+ t1 = t->start[plane->type] - plane->dist;
+ t2 = t->end[plane->type] - plane->dist;
+ }
+ else
+ {
+ t1 = DotProduct (plane->normal, t->start) - plane->dist;
+ t2 = DotProduct (plane->normal, t->end) - plane->dist;
+ }
+ midf = t1 / (t1 - t2);
+ midf = bound(p1f, midf, p2f);
+ VectorMA(t->start, midf, t->dist, mid);
+
+ // we now have a mid point, essentially splitting the line into
+ // the segments in the near child and the far child, we can now
+ // recurse those in order and get their results
+
+ // recurse both sides, front side first
+ ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[p1side], p1f, midf, p1, mid);
+ // if this side is not empty, return what it is (solid or done)
+ if (ret != HULLCHECKSTATE_EMPTY)
+ return ret;
+
+ ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[p2side], midf, p2f, mid, p2);
+ // if other side is not solid, return what it is (empty or done)
+ if (ret != HULLCHECKSTATE_SOLID)
+ return ret;
+
+ // front is air and back is solid, this is the impact point...
+
+ // copy the plane information, flipping it if needed
+ if (p1side)
+ {
+ t->trace->plane.dist = -plane->dist;
+ VectorNegate (plane->normal, t->trace->plane.normal);
+ }
+ else
+ {
+ t->trace->plane.dist = plane->dist;
+ VectorCopy (plane->normal, t->trace->plane.normal);
+ }
+
+ // calculate the return fraction which is nudged off the surface a bit
+ t1 = DotProduct(t->trace->plane.normal, t->start) - t->trace->plane.dist;
+ t2 = DotProduct(t->trace->plane.normal, t->end) - t->trace->plane.dist;
+ midf = (t1 - collision_impactnudge.value) / (t1 - t2);
+ t->trace->fraction = bound(0, midf, 1);
- // the line intersects, find intersection point
- // LordHavoc: this uses the original trace for maximum accuracy
#if COLLISIONPARANOID >= 3
- Con_Print("M");
+ Con_Print("D");
#endif
- if (plane->type < 3)
- {
- t1 = t->start[plane->type] - plane->dist;
- t2 = t->end[plane->type] - plane->dist;
- }
- else
- {
- t1 = DotProduct (plane->normal, t->start) - plane->dist;
- t2 = DotProduct (plane->normal, t->end) - plane->dist;
+ return HULLCHECKSTATE_DONE;
+ }
}
- midf = t1 / (t1 - t2);
- midf = bound(p1f, midf, p2f);
- VectorMA(t->start, midf, t->dist, mid);
+ // we reached a leaf contents
- // recurse both sides, front side first
- ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side], p1f, midf, p1, mid);
- // if this side is not empty, return what it is (solid or done)
- if (ret != HULLCHECKSTATE_EMPTY)
- return ret;
-
- ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side ^ 1], midf, p2f, mid, p2);
- // if other side is not solid, return what it is (empty or done)
- if (ret != HULLCHECKSTATE_SOLID)
- return ret;
-
- // front is air and back is solid, this is the impact point...
- if (side)
+ // check for empty
+ num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
+ if (!t->trace->startfound)
{
- t->trace->plane.dist = -plane->dist;
- VectorNegate (plane->normal, t->trace->plane.normal);
+ t->trace->startfound = true;
+ t->trace->startsupercontents |= num;
}
+ if (num & SUPERCONTENTS_LIQUIDSMASK)
+ t->trace->inwater = true;
+ if (num == 0)
+ t->trace->inopen = true;
+ if (num & SUPERCONTENTS_SOLID)
+ t->trace->hittexture = &mod_q1bsp_texture_solid;
+ else if (num & SUPERCONTENTS_SKY)
+ t->trace->hittexture = &mod_q1bsp_texture_sky;
+ else if (num & SUPERCONTENTS_LAVA)
+ t->trace->hittexture = &mod_q1bsp_texture_lava;
+ else if (num & SUPERCONTENTS_SLIME)
+ t->trace->hittexture = &mod_q1bsp_texture_slime;
else
+ t->trace->hittexture = &mod_q1bsp_texture_water;
+ t->trace->hitq3surfaceflags = t->trace->hittexture->surfaceflags;
+ t->trace->hitsupercontents = num;
+ if (num & t->trace->hitsupercontentsmask)
{
- t->trace->plane.dist = plane->dist;
- VectorCopy (plane->normal, t->trace->plane.normal);
+ // if the first leaf is solid, set startsolid
+ if (t->trace->allsolid)
+ t->trace->startsolid = true;
+#if COLLISIONPARANOID >= 3
+ Con_Print("S");
+#endif
+ return HULLCHECKSTATE_SOLID;
}
-
- // calculate the true fraction
- t1 = DotProduct(t->trace->plane.normal, t->start) - t->trace->plane.dist;
- t2 = DotProduct(t->trace->plane.normal, t->end) - t->trace->plane.dist;
- midf = t1 / (t1 - t2);
- t->trace->realfraction = bound(0, midf, 1);
-
- // calculate the return fraction which is nudged off the surface a bit
- midf = (t1 - DIST_EPSILON) / (t1 - t2);
- t->trace->fraction = bound(0, midf, 1);
-
- if (collision_prefernudgedfraction.integer)
- t->trace->realfraction = t->trace->fraction;
-
+ else
+ {
+ t->trace->allsolid = false;
#if COLLISIONPARANOID >= 3
- Con_Print("D");
+ Con_Print("E");
#endif
- return HULLCHECKSTATE_DONE;
+ return HULLCHECKSTATE_EMPTY;
+ }
}
//#if COLLISIONPARANOID < 2
memset(trace, 0, sizeof(trace_t));
rhc.trace = trace;
rhc.trace->fraction = 1;
- rhc.trace->realfraction = 1;
rhc.trace->allsolid = true;
rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
VectorCopy(start, rhc.start);
rhc.trace = trace;
rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
rhc.trace->fraction = 1;
- rhc.trace->realfraction = 1;
rhc.trace->allsolid = true;
rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
VectorCopy(start, rhc.start);
rhc.trace = &testtrace;
rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
rhc.trace->fraction = 1;
- rhc.trace->realfraction = 1;
rhc.trace->allsolid = true;
VectorCopy(test, rhc.start);
VectorCopy(test, rhc.end);
rhc.trace = trace;
rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
rhc.trace->fraction = 1;
- rhc.trace->realfraction = 1;
rhc.trace->allsolid = true;
VectorSubtract(boxmaxs, boxmins, boxsize);
if (boxsize[0] < 3)
rhc.trace = &testtrace;
rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
rhc.trace->fraction = 1;
- rhc.trace->realfraction = 1;
rhc.trace->allsolid = true;
VectorCopy(test, rhc.start);
VectorCopy(test, rhc.end);
memset(trace, 0, sizeof(trace_t));
trace->hitsupercontentsmask = hitsupercontentsmask;
trace->fraction = 1;
- trace->realfraction = 1;
Collision_TraceLineBrushFloat(trace, start, end, &cbox, &cbox);
#else
RecursiveHullCheckTraceInfo_t rhc;
rhc.trace = trace;
rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
rhc.trace->fraction = 1;
- rhc.trace->realfraction = 1;
rhc.trace->allsolid = true;
VectorCopy(start, rhc.start);
VectorCopy(end, rhc.end);
{
memset(trace, 0, sizeof(trace_t));
trace->fraction = 1;
- trace->realfraction = 1;
if (BoxesOverlap(start, start, cmins, cmaxs))
{
trace->startsupercontents |= boxsupercontents;
float front, back;
float mid, distz = endz - startz;
-loc0:
- if (!node->plane)
- return false; // didn't hit anything
-
- switch (node->plane->type)
+ while (node->plane)
{
- case PLANE_X:
- node = node->children[x < node->plane->dist];
- goto loc0;
- case PLANE_Y:
- node = node->children[y < node->plane->dist];
- goto loc0;
- case PLANE_Z:
- side = startz < node->plane->dist;
- if ((endz < node->plane->dist) == side)
- {
- node = node->children[side];
- goto loc0;
- }
- // found an intersection
- mid = node->plane->dist;
- break;
- default:
- back = front = x * node->plane->normal[0] + y * node->plane->normal[1];
- front += startz * node->plane->normal[2];
- back += endz * node->plane->normal[2];
- side = front < node->plane->dist;
- if ((back < node->plane->dist) == side)
- {
- node = node->children[side];
- goto loc0;
+ switch (node->plane->type)
+ {
+ case PLANE_X:
+ node = node->children[x < node->plane->dist];
+ continue; // loop back and process the new node
+ case PLANE_Y:
+ node = node->children[y < node->plane->dist];
+ continue; // loop back and process the new node
+ case PLANE_Z:
+ side = startz < node->plane->dist;
+ if ((endz < node->plane->dist) == side)
+ {
+ node = node->children[side];
+ continue; // loop back and process the new node
+ }
+ // found an intersection
+ mid = node->plane->dist;
+ break;
+ default:
+ back = front = x * node->plane->normal[0] + y * node->plane->normal[1];
+ front += startz * node->plane->normal[2];
+ back += endz * node->plane->normal[2];
+ side = front < node->plane->dist;
+ if ((back < node->plane->dist) == side)
+ {
+ node = node->children[side];
+ continue; // loop back and process the new node
+ }
+ // found an intersection
+ mid = startz + distz * (front - node->plane->dist) / (front - back);
+ break;
}
- // found an intersection
- mid = startz + distz * (front - node->plane->dist) / (front - back);
- break;
- }
- // go down front side
- if (node->children[side]->plane && Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, node->children[side], x, y, startz, mid))
- return true; // hit something
- else
- {
+ // go down front side
+ if (node->children[side]->plane && Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, node->children[side], x, y, startz, mid))
+ return true; // hit something
+
// check for impact on this node
if (node->numsurfaces)
{
dt = ((x * surface->lightmapinfo->texinfo->vecs[1][0] + y * surface->lightmapinfo->texinfo->vecs[1][1] + mid * surface->lightmapinfo->texinfo->vecs[1][2] + surface->lightmapinfo->texinfo->vecs[1][3]) - surface->lightmapinfo->texturemins[1]) * 0.0625f;
// check the bounds
- dsi = (int)ds;
- dti = (int)dt;
+ // thanks to jitspoe for pointing out that this int cast was
+ // rounding toward zero, so we floor it
+ dsi = (int)floor(ds);
+ dti = (int)floor(dt);
lmwidth = ((surface->lightmapinfo->extents[0]>>4)+1);
lmheight = ((surface->lightmapinfo->extents[1]>>4)+1);
// is it in bounds?
- if (dsi >= 0 && dsi < lmwidth-1 && dti >= 0 && dti < lmheight-1)
+ // we have to tolerate a position of lmwidth-1 for some rare
+ // cases - in which case the sampling position still gets
+ // clamped but the color gets interpolated to that edge.
+ if (dsi >= 0 && dsi < lmwidth && dti >= 0 && dti < lmheight)
{
+ // in the rare cases where we're sampling slightly off
+ // the polygon, clamp the sampling position (we can still
+ // interpolate outside it, where it becomes extrapolation)
+ if (dsi < 0)
+ dsi = 0;
+ if (dti < 0)
+ dti = 0;
+ if (dsi > lmwidth-2)
+ dsi = lmwidth-2;
+ if (dti > lmheight-2)
+ dti = lmheight-2;
+
// calculate bilinear interpolation factors
- // and also multiply by fixedpoint conversion factors
+ // and also multiply by fixedpoint conversion factors to
+ // compensate for lightmaps being 0-255 (as 0-2), we use
+ // r_refdef.scene.rtlightstylevalue here which is already
+ // 0.000-2.148 range
+ // (if we used r_refdef.scene.lightstylevalue this
+ // divisor would be 32768 rather than 128)
dsfrac = ds - dsi;
dtfrac = dt - dti;
- w00 = (1 - dsfrac) * (1 - dtfrac) * (1.0f / 32768.0f);
- w01 = ( dsfrac) * (1 - dtfrac) * (1.0f / 32768.0f);
- w10 = (1 - dsfrac) * ( dtfrac) * (1.0f / 32768.0f);
- w11 = ( dsfrac) * ( dtfrac) * (1.0f / 32768.0f);
+ w00 = (1 - dsfrac) * (1 - dtfrac) * (1.0f / 128.0f);
+ w01 = ( dsfrac) * (1 - dtfrac) * (1.0f / 128.0f);
+ w10 = (1 - dsfrac) * ( dtfrac) * (1.0f / 128.0f);
+ w11 = ( dsfrac) * ( dtfrac) * (1.0f / 128.0f);
// values for pointer math
line3 = lmwidth * 3; // LordHavoc: *3 for colored lighting
// bilinear filter each lightmap style, and sum them
for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++)
{
- scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[maps]];
+ scale = r_refdef.scene.rtlightstylevalue[surface->lightmapinfo->styles[maps]];
w = w00 * scale;VectorMA(ambientcolor, w, lightmap , ambientcolor);
w = w01 * scale;VectorMA(ambientcolor, w, lightmap + 3 , ambientcolor);
w = w10 * scale;VectorMA(ambientcolor, w, lightmap + line3 , ambientcolor);
node = node->children[side ^ 1];
startz = mid;
distz = endz - startz;
- goto loc0;
+ // loop back and process the new node
}
+
+ // did not hit anything
+ return false;
}
static void Mod_Q1BSP_LightPoint(dp_model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
VectorCopy(normal, t->trace->plane.normal);
t->trace->plane.dist = DotProduct(normal, p);
- // calculate the true fraction
+ // calculate the return fraction which is nudged off the surface a bit
t1 = DotProduct(t->start, t->trace->plane.normal) - t->trace->plane.dist;
t2 = DotProduct(t->end, t->trace->plane.normal) - t->trace->plane.dist;
- midf = t1 / (t1 - t2);
- t->trace->realfraction = midf;
-
- // calculate the return fraction which is nudged off the surface a bit
- midf = (t1 - DIST_EPSILON) / (t1 - t2);
+ midf = (t1 - collision_impactnudge.value) / (t1 - t2);
t->trace->fraction = bound(0, midf, 1);
- if (collision_prefernudgedfraction.integer)
- t->trace->realfraction = t->trace->fraction;
-
t->trace->hittexture = surface->texture->currentframe;
t->trace->hitq3surfaceflags = t->trace->hittexture->surfaceflags;
t->trace->hitsupercontents = t->trace->hittexture->supercontents;
rhc.trace = trace;
rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
rhc.trace->fraction = 1;
- rhc.trace->realfraction = 1;
rhc.trace->allsolid = true;
rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
VectorCopy(start, rhc.start);
memset(trace, 0, sizeof(*trace));
trace->fraction = 1;
- trace->realfraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
bih = &model->collision_bih;
memset(trace, 0, sizeof(*trace));
trace->fraction = 1;
- trace->realfraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
// push first node
node = bih->nodes + nodenum;
VectorCopy(nodestackline[nodestackpos], nodestart);
VectorCopy(nodestackline[nodestackpos] + 3, nodeend);
- sweepnodemins[0] = min(nodestart[0], nodeend[0]); sweepnodemins[1] = min(nodestart[1], nodeend[1]); sweepnodemins[2] = min(nodestart[2], nodeend[2]); sweepnodemaxs[0] = max(nodestart[0], nodeend[0]); sweepnodemaxs[1] = max(nodestart[1], nodeend[1]); sweepnodemaxs[2] = max(nodestart[2], nodeend[2]);
+ sweepnodemins[0] = min(nodestart[0], nodeend[0]) - 1;
+ sweepnodemins[1] = min(nodestart[1], nodeend[1]) - 1;
+ sweepnodemins[2] = min(nodestart[2], nodeend[2]) - 1;
+ sweepnodemaxs[0] = max(nodestart[0], nodeend[0]) + 1;
+ sweepnodemaxs[1] = max(nodestart[1], nodeend[1]) + 1;
+ sweepnodemaxs[2] = max(nodestart[2], nodeend[2]) + 1;
if (!BoxesOverlap(sweepnodemins, sweepnodemaxs, node->mins, node->maxs))
continue;
if (node->type <= BIH_SPLITZ && nodestackpos+2 <= 1024)
axis = 2; d1 = nodestart[axis] - nodebigmins[axis]; d2 = nodeend[axis] - nodebigmins[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); } d1 = nodebigmaxs[axis] - nodestart[axis]; d2 = nodebigmaxs[axis] - nodeend[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); }
// some of the line intersected the enlarged node box
// calculate sweep bounds for this node
- sweepnodemins[0] = min(nodestart[0], nodeend[0]); sweepnodemins[1] = min(nodestart[1], nodeend[1]); sweepnodemins[2] = min(nodestart[2], nodeend[2]); sweepnodemaxs[0] = max(nodestart[0], nodeend[0]); sweepnodemaxs[1] = max(nodestart[1], nodeend[1]); sweepnodemaxs[2] = max(nodestart[2], nodeend[2]);
+ sweepnodemins[0] = min(nodestart[0], nodeend[0]) - 1;
+ sweepnodemins[1] = min(nodestart[1], nodeend[1]) - 1;
+ sweepnodemins[2] = min(nodestart[2], nodeend[2]) - 1;
+ sweepnodemaxs[0] = max(nodestart[0], nodeend[0]) + 1;
+ sweepnodemaxs[1] = max(nodestart[1], nodeend[1]) + 1;
+ sweepnodemaxs[2] = max(nodestart[2], nodeend[2]) + 1;
for (axis = 0;axis < BIH_MAXUNORDEREDCHILDREN && node->children[axis] >= 0;axis++)
{
leaf = bih->leafs + node->children[axis];
// box trace, performed as brush trace
memset(trace, 0, sizeof(*trace));
trace->fraction = 1;
- trace->realfraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
// calculate tracebox-like parameters for efficient culling
node = bih->nodes + nodenum;
VectorCopy(nodestackline[nodestackpos], nodestart);
VectorCopy(nodestackline[nodestackpos] + 3, nodeend);
- sweepnodemins[0] = min(nodestart[0], nodeend[0]) + mins[0]; sweepnodemins[1] = min(nodestart[1], nodeend[1]) + mins[1]; sweepnodemins[2] = min(nodestart[2], nodeend[2]) + mins[2]; sweepnodemaxs[0] = max(nodestart[0], nodeend[0]) + maxs[0]; sweepnodemaxs[1] = max(nodestart[1], nodeend[1]) + maxs[1]; sweepnodemaxs[2] = max(nodestart[2], nodeend[2]) + maxs[2];
+ sweepnodemins[0] = min(nodestart[0], nodeend[0]) + mins[0] - 1;
+ sweepnodemins[1] = min(nodestart[1], nodeend[1]) + mins[1] - 1;
+ sweepnodemins[2] = min(nodestart[2], nodeend[2]) + mins[2] - 1;
+ sweepnodemaxs[0] = max(nodestart[0], nodeend[0]) + maxs[0] + 1;
+ sweepnodemaxs[1] = max(nodestart[1], nodeend[1]) + maxs[1] + 1;
+ sweepnodemaxs[2] = max(nodestart[2], nodeend[2]) + maxs[2] + 1;
if (!BoxesOverlap(sweepnodemins, sweepnodemaxs, node->mins, node->maxs))
continue;
if (node->type <= BIH_SPLITZ && nodestackpos+2 <= 1024)
axis = 2; d1 = nodestart[axis] - nodebigmins[axis]; d2 = nodeend[axis] - nodebigmins[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); } d1 = nodebigmaxs[axis] - nodestart[axis]; d2 = nodebigmaxs[axis] - nodeend[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); }
// some of the line intersected the enlarged node box
// calculate sweep bounds for this node
- sweepnodemins[0] = min(nodestart[0], nodeend[0]) + mins[0]; sweepnodemins[1] = min(nodestart[1], nodeend[1]) + mins[1]; sweepnodemins[2] = min(nodestart[2], nodeend[2]) + mins[2]; sweepnodemaxs[0] = max(nodestart[0], nodeend[0]) + maxs[0]; sweepnodemaxs[1] = max(nodestart[1], nodeend[1]) + maxs[1]; sweepnodemaxs[2] = max(nodestart[2], nodeend[2]) + maxs[2];
+ sweepnodemins[0] = min(nodestart[0], nodeend[0]) + mins[0] - 1;
+ sweepnodemins[1] = min(nodestart[1], nodeend[1]) + mins[1] - 1;
+ sweepnodemins[2] = min(nodestart[2], nodeend[2]) + mins[2] - 1;
+ sweepnodemaxs[0] = max(nodestart[0], nodeend[0]) + maxs[0] + 1;
+ sweepnodemaxs[1] = max(nodestart[1], nodeend[1]) + maxs[1] + 1;
+ sweepnodemaxs[2] = max(nodestart[2], nodeend[2]) + maxs[2] + 1;
for (axis = 0;axis < BIH_MAXUNORDEREDCHILDREN && node->children[axis] >= 0;axis++)
{
leaf = bih->leafs + node->children[axis];
#endif
memset(trace, 0, sizeof(*trace));
trace->fraction = 1;
- trace->realfraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
#if 0
Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask);
hitsupercontents = trace->hitsupercontents;
memset(trace, 0, sizeof(*trace));
trace->fraction = 1;
- trace->realfraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
trace->startsupercontents = hitsupercontents;
#endif
VectorSet(end, start[0], start[1], model->normalmins[2]);
memset(&trace, 0, sizeof(trace));
trace.fraction = 1;
- trace.realfraction = 1;
trace.hitsupercontentsmask = 0;
Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask);
return trace.hitsupercontents;
Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
// if we found an impact on the front side, don't waste time
// exploring the far side
- if (midfrac <= trace->realfraction)
+ if (midfrac <= trace->fraction)
Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
return;
}
q3mbrush_t *brush;
memset(trace, 0, sizeof(*trace));
trace->fraction = 1;
- trace->realfraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
if (mod_collision_bih.integer)
Mod_CollisionBIH_TracePoint(model, frameblend, skeleton, trace, start, hitsupercontentsmask);
memset(trace, 0, sizeof(*trace));
trace->fraction = 1;
- trace->realfraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
segmentmins[0] = min(start[0], end[0]) - 1;
segmentmins[1] = min(start[1], end[1]) - 1;
// box trace, performed as brush trace
memset(trace, 0, sizeof(*trace));
trace->fraction = 1;
- trace->realfraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
- segmentmins[0] = min(start->mins[0], end->mins[0]);
- segmentmins[1] = min(start->mins[1], end->mins[1]);
- segmentmins[2] = min(start->mins[2], end->mins[2]);
- segmentmaxs[0] = max(start->maxs[0], end->maxs[0]);
- segmentmaxs[1] = max(start->maxs[1], end->maxs[1]);
- segmentmaxs[2] = max(start->maxs[2], end->maxs[2]);
+ segmentmins[0] = min(start->mins[0], end->mins[0]) - 1;
+ segmentmins[1] = min(start->mins[1], end->mins[1]) - 1;
+ segmentmins[2] = min(start->mins[2], end->mins[2]) - 1;
+ segmentmaxs[0] = max(start->maxs[0], end->maxs[0]) + 1;
+ segmentmaxs[1] = max(start->maxs[1], end->maxs[1]) + 1;
+ segmentmaxs[2] = max(start->maxs[2], end->maxs[2]) + 1;
if (mod_collision_bih.integer)
Mod_CollisionBIH_TraceBrush(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask);
else if (model->brush.submodel)
projects / xonotic / darkplaces.git / blobdiff