// chase.c -- chase camera code
#include "quakedef.h"
+#include "cl_collision.h"
cvar_t chase_back = {CVAR_SAVE, "chase_back", "48"};
cvar_t chase_up = {CVAR_SAVE, "chase_up", "24"};
// start position 12 units behind head
}
-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)
-{
- 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 (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, stop, chase_dest, normal;
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, normal, 0, true);
+ CL_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;