This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
#include "quakedef.h"
-cvar_t chase_back = {"chase_back", "48"};
-cvar_t chase_up = {"chase_up", "22"};
-cvar_t chase_active = {"chase_active", "0"};
+cvar_t chase_back = {CVAR_SAVE, "chase_back", "48"};
+cvar_t chase_up = {CVAR_SAVE, "chase_up", "24"};
+cvar_t chase_active = {CVAR_SAVE, "chase_active", "0"};
void Chase_Init (void)
{
// start position 12 units behind head
}
-void TraceLine (vec3_t start, vec3_t end, vec3_t impact)
+int traceline_endcontents;
+
+static entity_render_t *traceline_entity[MAX_EDICTS];
+static int traceline_entities;
+
+// builds list of entities for TraceLine to check later
+void TraceLine_ScanForBModels(void)
{
- trace_t trace;
+ int i;
+ entity_render_t *ent;
+ model_t *model;
+ traceline_entities = 0;
+ for (i = 1;i < MAX_EDICTS;i++)
+ {
+ ent = &cl_entities[i].render;
+ model = ent->model;
+ // look for embedded brush models only
+ if (model && model->name[0] == '*')
+ {
+ // this does nothing for * models currently...
+ //Mod_CheckLoaded(model);
+ if (model->type == mod_brush)
+ {
+ traceline_entity[traceline_entities++] = ent;
+ if (ent->angles[0] || ent->angles[2])
+ {
+ // pitch or roll
+ VectorAdd(ent->origin, model->rotatedmins, ent->mins);
+ VectorAdd(ent->origin, model->rotatedmaxs, ent->maxs);
+ }
+ else if (ent->angles[1])
+ {
+ // yaw
+ VectorAdd(ent->origin, model->yawmins, ent->mins);
+ VectorAdd(ent->origin, model->yawmaxs, ent->maxs);
+ }
+ else
+ {
+ VectorAdd(ent->origin, model->normalmins, ent->mins);
+ VectorAdd(ent->origin, model->normalmaxs, ent->maxs);
+ }
+ }
+ }
+ }
+}
+
+float TraceLine (vec3_t start, vec3_t end, vec3_t impact, vec3_t normal, int contents, int hitbmodels)
+{
+ double maxfrac, startd[3], endd[3];
+ trace_t trace;
+
+// FIXME: broken, fix it
+// if (impact == NULL && normal == NULL && contents == 0)
+// return SV_TestLine (cl.worldmodel->hulls, 0, start, end);
+
+ VectorCopy(start, startd);
+ VectorCopy(end, endd);
+ Mod_CheckLoaded(cl.worldmodel);
memset (&trace, 0, sizeof(trace));
- VectorCopy (end, trace.endpos); // fix TraceLine endpoint bug
- SV_RecursiveHullCheck (cl.worldmodel->hulls, 0, 0, 1, start, end, &trace);
- VectorCopy (trace.endpos, impact);
+ VectorCopy (endd, trace.endpos);
+ trace.fraction = 1;
+ trace.startcontents = contents;
+ VectorCopy(startd, RecursiveHullCheckInfo.start);
+ VectorSubtract(endd, startd, RecursiveHullCheckInfo.dist);
+ RecursiveHullCheckInfo.hull = cl.worldmodel->hulls;
+ RecursiveHullCheckInfo.trace = &trace;
+ SV_RecursiveHullCheck (0, 0, 1, startd, endd);
+ if (impact)
+ VectorCopy (trace.endpos, impact);
+ if (normal)
+ VectorCopy (trace.plane.normal, normal);
+ traceline_endcontents = trace.endcontents;
+ maxfrac = trace.fraction;
+
+ if (hitbmodels && traceline_entities)
+ {
+ int n;
+ entity_render_t *ent;
+ double start2[3], end2[3], tracemins[3], tracemaxs[3];
+ tracemins[0] = min(start[0], end[0]);
+ tracemaxs[0] = max(start[0], end[0]);
+ tracemins[1] = min(start[1], end[1]);
+ tracemaxs[1] = max(start[1], end[1]);
+ tracemins[2] = min(start[2], end[2]);
+ tracemaxs[2] = max(start[2], end[2]);
+
+ // look for embedded bmodels
+ for (n = 0;n < traceline_entities;n++)
+ {
+ ent = traceline_entity[n];
+ if (ent->mins[0] > tracemaxs[0] || ent->maxs[0] < tracemins[0]
+ || ent->mins[1] > tracemaxs[1] || ent->maxs[1] < tracemins[1]
+ || ent->mins[2] > tracemaxs[2] || ent->maxs[2] < tracemins[2])
+ continue;
+
+ softwaretransformforentity(ent);
+ softwareuntransform(start, start2);
+ softwareuntransform(end, end2);
+
+ memset (&trace, 0, sizeof(trace));
+ VectorCopy (end2, trace.endpos);
+ trace.fraction = 1;
+ trace.startcontents = contents;
+ VectorCopy(start2, RecursiveHullCheckInfo.start);
+ VectorSubtract(end2, start2, RecursiveHullCheckInfo.dist);
+ RecursiveHullCheckInfo.hull = ent->model->hulls;
+ RecursiveHullCheckInfo.trace = &trace;
+ SV_RecursiveHullCheck (ent->model->hulls->firstclipnode, 0, 1, start2, end2);
+
+ if (trace.allsolid || trace.startsolid || trace.fraction < maxfrac)
+ {
+ maxfrac = trace.fraction;
+ if (impact)
+ {
+ softwaretransform(trace.endpos, impact);
+ }
+ if (normal)
+ {
+ softwaretransformdirection(trace.plane.normal, normal);
+ }
+ traceline_endcontents = trace.endcontents;
+ }
+ }
+ }
+ return maxfrac;
}
void Chase_Update (void)
{
- vec3_t forward, up, right, stop, chase_dest;
+ vec3_t forward, stop, chase_dest, normal;
float dist;
chase_back.value = bound(0, chase_back.value, 128);
- chase_up.value = bound(-64, chase_up.value, 64);
+ chase_up.value = bound(-48, chase_up.value, 96);
- AngleVectors (cl.viewangles, forward, right, up);
+ AngleVectors (cl.viewangles, forward, NULL, NULL);
dist = -chase_back.value - 8;
chase_dest[0] = r_refdef.vieworg[0] + forward[0] * dist;
chase_dest[1] = r_refdef.vieworg[1] + forward[1] * dist;
chase_dest[2] = r_refdef.vieworg[2] + forward[2] * dist + chase_up.value;
- TraceLine (r_refdef.vieworg, chase_dest, stop);
- chase_dest[0] = stop[0] + forward[0] * 8;
- chase_dest[1] = stop[1] + forward[1] * 8;
- chase_dest[2] = stop[2] + forward[2] * 8;
+ TraceLine (r_refdef.vieworg, chase_dest, stop, normal, 0, true);
+ chase_dest[0] = stop[0] + forward[0] * 8 + normal[0] * 4;
+ chase_dest[1] = stop[1] + forward[1] * 8 + normal[1] * 4;
+ chase_dest[2] = stop[2] + forward[2] * 8 + normal[2] * 4;
VectorCopy (chase_dest, r_refdef.vieworg);
}
projects / xonotic / darkplaces.git / blobdiff