double precision RecursiveHullCheck
authorlordhavoc <lordhavoc@d7cf8633-e32d-0410-b094-e92efae38249>
Fri, 15 Feb 2002 21:25:43 +0000 (21:25 +0000)
committerlordhavoc <lordhavoc@d7cf8633-e32d-0410-b094-e92efae38249>
Fri, 15 Feb 2002 21:25:43 +0000 (21:25 +0000)
git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@1517 d7cf8633-e32d-0410-b094-e92efae38249

sv_main.c
sv_move.c
world.h

index ff6f0fa..34ac546 100644 (file)
--- a/sv_main.c
+++ b/sv_main.c
@@ -503,18 +503,21 @@ void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
        int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects;
        int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
        byte *pvs;
-       vec3_t org, origin, angles, entmins, entmaxs, testorigin;
+       vec3_t org, origin, angles, entmins, entmaxs;
        float nextfullupdate;
        edict_t *ent;
        eval_t *val;
        entity_state_t *baseline; // LordHavoc: delta or startup baseline
        trace_t trace;
        model_t *model;
+       double testeye[3];
+       double testorigin[3];
 
        Mod_CheckLoaded(sv.worldmodel);
 
 // find the client's PVS
        VectorAdd (clent->v.origin, clent->v.view_ofs, org);
+       VectorCopy (org, testeye);
        pvs = SV_FatPVS (org);
        /*
        // dp protocol
@@ -660,10 +663,10 @@ void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
                                VectorCopy(testorigin, trace.endpos);
 
                                VectorCopy(org, RecursiveHullCheckInfo.start);
-                               VectorSubtract(testorigin, org, RecursiveHullCheckInfo.dist);
+                               VectorSubtract(testorigin, testeye, RecursiveHullCheckInfo.dist);
                                RecursiveHullCheckInfo.hull = sv.worldmodel->hulls;
                                RecursiveHullCheckInfo.trace = &trace;
-                               SV_RecursiveHullCheck (sv.worldmodel->hulls->firstclipnode, 0, 1, org, testorigin);
+                               SV_RecursiveHullCheck (sv.worldmodel->hulls->firstclipnode, 0, 1, testeye, testorigin);
 
                                if (trace.fraction == 1)
                                        client->lastvisible[e] = realtime;
index 382c9a0..4462519 100644 (file)
--- a/sv_move.c
+++ b/sv_move.c
@@ -110,12 +110,12 @@ pr_global_struct->trace_normal is set to the normal of the blocking wall
 qboolean SV_movestep (edict_t *ent, vec3_t move, qboolean relink)
 {
        float           dz;
-       vec3_t          oldorg, neworg, end;
+       vec3_t          oldorg, neworg, end, traceendpos;
        trace_t         trace;
        int                     i;
        edict_t         *enemy;
 
-// try the move        
+// try the move
        VectorCopy (ent->v.origin, oldorg);
        VectorAdd (ent->v.origin, move, neworg);
 
@@ -136,22 +136,23 @@ qboolean SV_movestep (edict_t *ent, vec3_t move, qboolean relink)
                                        neworg[2] += 8;
                        }
                        trace = SV_Move (ent->v.origin, ent->v.mins, ent->v.maxs, neworg, MOVE_NORMAL, ent);
-       
+
                        if (trace.fraction == 1)
                        {
-                               if ( ((int)ent->v.flags & FL_SWIM) && SV_PointContents(trace.endpos) == CONTENTS_EMPTY )
+                               VectorCopy(trace.endpos, traceendpos);
+                               if ( ((int)ent->v.flags & FL_SWIM) && SV_PointContents(traceendpos) == CONTENTS_EMPTY )
                                        return false;   // swim monster left water
-       
-                               VectorCopy (trace.endpos, ent->v.origin);
+
+                               VectorCopy (traceendpos, ent->v.origin);
                                if (relink)
                                        SV_LinkEdict (ent, true);
                                return true;
                        }
-                       
+
                        if (enemy == sv.edicts)
                                break;
                }
-               
+
                return false;
        }
 
diff --git a/world.h b/world.h
index 55838dc..db8b5ca 100644 (file)
--- a/world.h
+++ b/world.h
@@ -27,17 +27,30 @@ typedef struct
 
 typedef struct
 {
-       qboolean        allsolid;       // if true, plane is not valid
-       qboolean        startsolid;     // if true, the initial point was in a solid area
-       qboolean        inopen, inwater;
-       float   fraction;               // time completed, 1.0 = didn't hit anything
-       vec3_t  endpos;                 // final position
-       plane_t plane;                  // surface normal at impact
-       edict_t *ent;                   // entity the surface is on
-       int             startcontents;  // if not zero, treats this value as empty, and
-                                                       // all others as solid (impact on content change)
-       int             endcontents;    // set to the contents that was hit at the end point
-} trace_t;
+       // if true, the entire trace was in solid
+       qboolean        allsolid;
+       // if true, the initial point was in solid
+       qboolean        startsolid;
+       // if true, the trace passed through empty somewhere
+       qboolean        inopen;
+       // if true, the trace passed through water somewhere
+       qboolean        inwater;
+       // fraction of the total distance that was traveled before impact
+       // (1.0 = did not hit anything)
+       double          fraction;
+       // final position
+       double          endpos[3];
+       // surface normal at impact
+       plane_t         plane;
+       // entity the surface is on
+       edict_t         *ent;
+       // if not zero, treats this value as empty, and all others as solid (impact
+       // on content change)
+       int                     startcontents;
+       // the contents that was hit at the end or impact point
+       int                     endcontents;
+}
+trace_t;
 
 
 #define        MOVE_NORMAL             0
@@ -82,21 +95,17 @@ trace_t SV_Move (vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int type, e
 
 // passedict is explicitly excluded from clipping checks (normally NULL)
 
-int SV_RecursiveHullCheck (int num, float p1f, float p2f, vec3_t p1, vec3_t p2);
+int SV_RecursiveHullCheck (int num, double p1f, double p2f, double p1[3], double p2[3]);
 
 typedef struct
 {
        hull_t *hull;
        trace_t *trace;
-       vec3_t start;
-       vec3_t dist;
+       double start[3];
+       double dist[3];
 }
 RecursiveHullCheckTraceInfo_t;
 
 // LordHavoc: FIXME: this is not thread safe, if threading matters here, pass
 // this as a struct to RecursiveHullCheck, RecursiveHullCheck_Impact, etc...
 extern RecursiveHullCheckTraceInfo_t RecursiveHullCheckInfo;
-
-// optimized variant of RecursiveHullCheck that only returns success/failure
-// FIXME: broken, fix it
-//extern qboolean SV_TestLine (hull_t *hull, int num, vec3_t p1, vec3_t p2);