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https://git.code.sf.net/p/quake/quake2forge
synced 2024-12-14 22:51:49 +00:00
959 lines
21 KiB
C
959 lines
21 KiB
C
/*
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Copyright (C) 1997-2001 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// g_phys.c
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#include "g_local.h"
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/*
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pushmove objects do not obey gravity, and do not interact with each other or trigger fields, but block normal movement and push normal objects when they move.
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onground is set for toss objects when they come to a complete rest. it is set for steping or walking objects
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doors, plats, etc are SOLID_BSP, and MOVETYPE_PUSH
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bonus items are SOLID_TRIGGER touch, and MOVETYPE_TOSS
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corpses are SOLID_NOT and MOVETYPE_TOSS
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crates are SOLID_BBOX and MOVETYPE_TOSS
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walking monsters are SOLID_SLIDEBOX and MOVETYPE_STEP
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flying/floating monsters are SOLID_SLIDEBOX and MOVETYPE_FLY
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solid_edge items only clip against bsp models.
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*/
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/*
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============
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SV_TestEntityPosition
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============
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*/
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edict_t *SV_TestEntityPosition (edict_t *ent)
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{
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trace_t trace;
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int mask;
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if (ent->clipmask)
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mask = ent->clipmask;
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else
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mask = MASK_SOLID;
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trace = gi.trace (ent->s.origin, ent->mins, ent->maxs, ent->s.origin, ent, mask);
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if (trace.startsolid)
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return g_edicts;
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return NULL;
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}
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/*
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================
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SV_CheckVelocity
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================
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*/
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void SV_CheckVelocity (edict_t *ent)
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{
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int i;
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//
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// bound velocity
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//
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for (i=0 ; i<3 ; i++)
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{
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if (ent->velocity[i] > sv_maxvelocity->value)
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ent->velocity[i] = sv_maxvelocity->value;
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else if (ent->velocity[i] < -sv_maxvelocity->value)
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ent->velocity[i] = -sv_maxvelocity->value;
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}
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}
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/*
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=============
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SV_RunThink
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Runs thinking code for this frame if necessary
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=============
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*/
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qboolean SV_RunThink (edict_t *ent)
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{
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float thinktime;
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thinktime = ent->nextthink;
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if (thinktime <= 0)
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return true;
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if (thinktime > level.time+0.001)
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return true;
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ent->nextthink = 0;
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if (!ent->think)
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gi.error ("NULL ent->think");
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ent->think (ent);
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return false;
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}
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/*
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==================
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SV_Impact
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Two entities have touched, so run their touch functions
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==================
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*/
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void SV_Impact (edict_t *e1, trace_t *trace)
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{
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edict_t *e2;
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// cplane_t backplane;
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e2 = trace->ent;
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if (e1->touch && e1->solid != SOLID_NOT)
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e1->touch (e1, e2, &trace->plane, trace->surface);
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if (e2->touch && e2->solid != SOLID_NOT)
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e2->touch (e2, e1, NULL, NULL);
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}
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/*
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==================
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ClipVelocity
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Slide off of the impacting object
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returns the blocked flags (1 = floor, 2 = step / wall)
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==================
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*/
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#define STOP_EPSILON 0.1
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int ClipVelocity (vec3_t in, vec3_t normal, vec3_t out, float overbounce)
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{
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float backoff;
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float change;
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int i, blocked;
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blocked = 0;
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if (normal[2] > 0)
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blocked |= 1; // floor
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if (!normal[2])
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blocked |= 2; // step
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backoff = DotProduct (in, normal) * overbounce;
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for (i=0 ; i<3 ; i++)
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{
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change = normal[i]*backoff;
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out[i] = in[i] - change;
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if (out[i] > -STOP_EPSILON && out[i] < STOP_EPSILON)
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out[i] = 0;
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}
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return blocked;
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}
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/*
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============
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SV_FlyMove
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The basic solid body movement clip that slides along multiple planes
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Returns the clipflags if the velocity was modified (hit something solid)
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1 = floor
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2 = wall / step
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4 = dead stop
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============
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*/
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#define MAX_CLIP_PLANES 5
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int SV_FlyMove (edict_t *ent, float time, int mask)
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{
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edict_t *hit;
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int bumpcount, numbumps;
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vec3_t dir;
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float d;
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int numplanes;
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vec3_t planes[MAX_CLIP_PLANES];
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vec3_t primal_velocity, original_velocity, new_velocity;
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int i, j;
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trace_t trace;
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vec3_t end;
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float time_left;
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int blocked;
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numbumps = 4;
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blocked = 0;
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VectorCopy (ent->velocity, original_velocity);
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VectorCopy (ent->velocity, primal_velocity);
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numplanes = 0;
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time_left = time;
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ent->groundentity = NULL;
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for (bumpcount=0 ; bumpcount<numbumps ; bumpcount++)
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{
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for (i=0 ; i<3 ; i++)
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end[i] = ent->s.origin[i] + time_left * ent->velocity[i];
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trace = gi.trace (ent->s.origin, ent->mins, ent->maxs, end, ent, mask);
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if (trace.allsolid)
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{ // entity is trapped in another solid
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VectorCopy (vec3_origin, ent->velocity);
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return 3;
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}
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if (trace.fraction > 0)
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{ // actually covered some distance
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VectorCopy (trace.endpos, ent->s.origin);
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VectorCopy (ent->velocity, original_velocity);
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numplanes = 0;
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}
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if (trace.fraction == 1)
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break; // moved the entire distance
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hit = trace.ent;
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if (trace.plane.normal[2] > 0.7)
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{
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blocked |= 1; // floor
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if ( hit->solid == SOLID_BSP)
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{
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ent->groundentity = hit;
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ent->groundentity_linkcount = hit->linkcount;
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}
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}
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if (!trace.plane.normal[2])
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{
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blocked |= 2; // step
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}
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//
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// run the impact function
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//
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SV_Impact (ent, &trace);
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if (!ent->inuse)
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break; // removed by the impact function
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time_left -= time_left * trace.fraction;
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// cliped to another plane
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if (numplanes >= MAX_CLIP_PLANES)
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{ // this shouldn't really happen
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VectorCopy (vec3_origin, ent->velocity);
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return 3;
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}
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VectorCopy (trace.plane.normal, planes[numplanes]);
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numplanes++;
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//
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// modify original_velocity so it parallels all of the clip planes
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//
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for (i=0 ; i<numplanes ; i++)
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{
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ClipVelocity (original_velocity, planes[i], new_velocity, 1);
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for (j=0 ; j<numplanes ; j++)
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if (j != i)
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{
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if (DotProduct (new_velocity, planes[j]) < 0)
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break; // not ok
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}
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if (j == numplanes)
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break;
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}
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if (i != numplanes)
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{ // go along this plane
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VectorCopy (new_velocity, ent->velocity);
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}
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else
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{ // go along the crease
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if (numplanes != 2)
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{
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// gi.dprintf ("clip velocity, numplanes == %i\n",numplanes);
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VectorCopy (vec3_origin, ent->velocity);
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return 7;
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}
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CrossProduct (planes[0], planes[1], dir);
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d = DotProduct (dir, ent->velocity);
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VectorScale (dir, d, ent->velocity);
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}
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//
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// if original velocity is against the original velocity, stop dead
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// to avoid tiny occilations in sloping corners
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//
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if (DotProduct (ent->velocity, primal_velocity) <= 0)
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{
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VectorCopy (vec3_origin, ent->velocity);
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return blocked;
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}
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}
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return blocked;
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}
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/*
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============
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SV_AddGravity
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============
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*/
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void SV_AddGravity (edict_t *ent)
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{
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ent->velocity[2] -= ent->gravity * sv_gravity->value * FRAMETIME;
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}
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/*
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===============================================================================
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PUSHMOVE
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===============================================================================
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*/
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/*
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============
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SV_PushEntity
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Does not change the entities velocity at all
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============
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*/
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trace_t SV_PushEntity (edict_t *ent, vec3_t push)
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{
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trace_t trace;
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vec3_t start;
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vec3_t end;
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int mask;
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VectorCopy (ent->s.origin, start);
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VectorAdd (start, push, end);
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retry:
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if (ent->clipmask)
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mask = ent->clipmask;
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else
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mask = MASK_SOLID;
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trace = gi.trace (start, ent->mins, ent->maxs, end, ent, mask);
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VectorCopy (trace.endpos, ent->s.origin);
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gi.linkentity (ent);
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if (trace.fraction != 1.0)
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{
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SV_Impact (ent, &trace);
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// if the pushed entity went away and the pusher is still there
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if (!trace.ent->inuse && ent->inuse)
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{
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// move the pusher back and try again
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VectorCopy (start, ent->s.origin);
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gi.linkentity (ent);
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goto retry;
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}
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}
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if (ent->inuse)
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G_TouchTriggers (ent);
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return trace;
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}
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typedef struct
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{
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edict_t *ent;
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vec3_t origin;
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vec3_t angles;
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float deltayaw;
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} pushed_t;
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pushed_t pushed[MAX_EDICTS], *pushed_p;
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edict_t *obstacle;
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/*
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============
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SV_Push
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Objects need to be moved back on a failed push,
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otherwise riders would continue to slide.
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============
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*/
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qboolean SV_Push (edict_t *pusher, vec3_t move, vec3_t amove)
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{
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int i, e;
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edict_t *check, *block;
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vec3_t mins, maxs;
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pushed_t *p;
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vec3_t org, org2, move2, forward, right, up;
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// clamp the move to 1/8 units, so the position will
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// be accurate for client side prediction
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for (i=0 ; i<3 ; i++)
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{
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float temp;
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temp = move[i]*8.0;
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if (temp > 0.0)
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temp += 0.5;
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else
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temp -= 0.5;
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move[i] = 0.125 * (int)temp;
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}
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// find the bounding box
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for (i=0 ; i<3 ; i++)
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{
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mins[i] = pusher->absmin[i] + move[i];
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maxs[i] = pusher->absmax[i] + move[i];
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}
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// we need this for pushing things later
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VectorSubtract (vec3_origin, amove, org);
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AngleVectors (org, forward, right, up);
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// save the pusher's original position
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pushed_p->ent = pusher;
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VectorCopy (pusher->s.origin, pushed_p->origin);
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VectorCopy (pusher->s.angles, pushed_p->angles);
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if (pusher->client)
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pushed_p->deltayaw = pusher->client->ps.pmove.delta_angles[YAW];
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pushed_p++;
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// move the pusher to it's final position
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VectorAdd (pusher->s.origin, move, pusher->s.origin);
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VectorAdd (pusher->s.angles, amove, pusher->s.angles);
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gi.linkentity (pusher);
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// see if any solid entities are inside the final position
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check = g_edicts+1;
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for (e = 1; e < globals.num_edicts; e++, check++)
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{
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if (!check->inuse)
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continue;
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if (check->movetype == MOVETYPE_PUSH
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|| check->movetype == MOVETYPE_STOP
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|| check->movetype == MOVETYPE_NONE
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|| check->movetype == MOVETYPE_NOCLIP)
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continue;
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if (!check->area.prev)
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continue; // not linked in anywhere
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// if the entity is standing on the pusher, it will definitely be moved
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if (check->groundentity != pusher)
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{
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// see if the ent needs to be tested
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if ( check->absmin[0] >= maxs[0]
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|| check->absmin[1] >= maxs[1]
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|| check->absmin[2] >= maxs[2]
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|| check->absmax[0] <= mins[0]
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|| check->absmax[1] <= mins[1]
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|| check->absmax[2] <= mins[2] )
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continue;
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// see if the ent's bbox is inside the pusher's final position
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if (!SV_TestEntityPosition (check))
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continue;
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}
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if ((pusher->movetype == MOVETYPE_PUSH) || (check->groundentity == pusher))
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{
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// move this entity
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pushed_p->ent = check;
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VectorCopy (check->s.origin, pushed_p->origin);
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VectorCopy (check->s.angles, pushed_p->angles);
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pushed_p++;
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// try moving the contacted entity
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VectorAdd (check->s.origin, move, check->s.origin);
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if (check->client)
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{ // FIXME: doesn't rotate monsters?
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check->client->ps.pmove.delta_angles[YAW] += amove[YAW];
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}
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// figure movement due to the pusher's amove
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VectorSubtract (check->s.origin, pusher->s.origin, org);
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org2[0] = DotProduct (org, forward);
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org2[1] = -DotProduct (org, right);
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org2[2] = DotProduct (org, up);
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VectorSubtract (org2, org, move2);
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VectorAdd (check->s.origin, move2, check->s.origin);
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// may have pushed them off an edge
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if (check->groundentity != pusher)
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check->groundentity = NULL;
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block = SV_TestEntityPosition (check);
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if (!block)
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{ // pushed ok
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gi.linkentity (check);
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// impact?
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continue;
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}
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// if it is ok to leave in the old position, do it
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// this is only relevent for riding entities, not pushed
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// FIXME: this doesn't acount for rotation
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VectorSubtract (check->s.origin, move, check->s.origin);
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block = SV_TestEntityPosition (check);
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if (!block)
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{
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pushed_p--;
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continue;
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}
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}
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// save off the obstacle so we can call the block function
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obstacle = check;
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// move back any entities we already moved
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// go backwards, so if the same entity was pushed
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// twice, it goes back to the original position
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for (p=pushed_p-1 ; p>=pushed ; p--)
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{
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VectorCopy (p->origin, p->ent->s.origin);
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VectorCopy (p->angles, p->ent->s.angles);
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if (p->ent->client)
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{
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p->ent->client->ps.pmove.delta_angles[YAW] = p->deltayaw;
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}
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gi.linkentity (p->ent);
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}
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return false;
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}
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//FIXME: is there a better way to handle this?
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// see if anything we moved has touched a trigger
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for (p=pushed_p-1 ; p>=pushed ; p--)
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G_TouchTriggers (p->ent);
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return true;
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}
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/*
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================
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SV_Physics_Pusher
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Bmodel objects don't interact with each other, but
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push all box objects
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================
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*/
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void SV_Physics_Pusher (edict_t *ent)
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{
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vec3_t move, amove;
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edict_t *part, *mv;
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// if not a team captain, so movement will be handled elsewhere
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if ( ent->flags & FL_TEAMSLAVE)
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return;
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// make sure all team slaves can move before commiting
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// any moves or calling any think functions
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// if the move is blocked, all moved objects will be backed out
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//retry:
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pushed_p = pushed;
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for (part = ent ; part ; part=part->teamchain)
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{
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if (part->velocity[0] || part->velocity[1] || part->velocity[2] ||
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part->avelocity[0] || part->avelocity[1] || part->avelocity[2]
|
|
)
|
|
{ // object is moving
|
|
VectorScale (part->velocity, FRAMETIME, move);
|
|
VectorScale (part->avelocity, FRAMETIME, amove);
|
|
|
|
if (!SV_Push (part, move, amove))
|
|
break; // move was blocked
|
|
}
|
|
}
|
|
if (pushed_p > &pushed[MAX_EDICTS])
|
|
gi.error (ERR_FATAL, "pushed_p > &pushed[MAX_EDICTS], memory corrupted");
|
|
|
|
if (part)
|
|
{
|
|
// the move failed, bump all nextthink times and back out moves
|
|
for (mv = ent ; mv ; mv=mv->teamchain)
|
|
{
|
|
if (mv->nextthink > 0)
|
|
mv->nextthink += FRAMETIME;
|
|
}
|
|
|
|
// if the pusher has a "blocked" function, call it
|
|
// otherwise, just stay in place until the obstacle is gone
|
|
if (part->blocked)
|
|
part->blocked (part, obstacle);
|
|
#if 0
|
|
// if the pushed entity went away and the pusher is still there
|
|
if (!obstacle->inuse && part->inuse)
|
|
goto retry;
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
// the move succeeded, so call all think functions
|
|
for (part = ent ; part ; part=part->teamchain)
|
|
{
|
|
SV_RunThink (part);
|
|
}
|
|
}
|
|
}
|
|
|
|
//==================================================================
|
|
|
|
/*
|
|
=============
|
|
SV_Physics_None
|
|
|
|
Non moving objects can only think
|
|
=============
|
|
*/
|
|
void SV_Physics_None (edict_t *ent)
|
|
{
|
|
// regular thinking
|
|
SV_RunThink (ent);
|
|
}
|
|
|
|
/*
|
|
=============
|
|
SV_Physics_Noclip
|
|
|
|
A moving object that doesn't obey physics
|
|
=============
|
|
*/
|
|
void SV_Physics_Noclip (edict_t *ent)
|
|
{
|
|
// regular thinking
|
|
if (!SV_RunThink (ent))
|
|
return;
|
|
|
|
VectorMA (ent->s.angles, FRAMETIME, ent->avelocity, ent->s.angles);
|
|
VectorMA (ent->s.origin, FRAMETIME, ent->velocity, ent->s.origin);
|
|
|
|
gi.linkentity (ent);
|
|
}
|
|
|
|
/*
|
|
==============================================================================
|
|
|
|
TOSS / BOUNCE
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
/*
|
|
=============
|
|
SV_Physics_Toss
|
|
|
|
Toss, bounce, and fly movement. When onground, do nothing.
|
|
=============
|
|
*/
|
|
void SV_Physics_Toss (edict_t *ent)
|
|
{
|
|
trace_t trace;
|
|
vec3_t move;
|
|
float backoff;
|
|
edict_t *slave;
|
|
qboolean wasinwater;
|
|
qboolean isinwater;
|
|
vec3_t old_origin;
|
|
|
|
// regular thinking
|
|
SV_RunThink (ent);
|
|
|
|
// if not a team captain, so movement will be handled elsewhere
|
|
if ( ent->flags & FL_TEAMSLAVE)
|
|
return;
|
|
|
|
if (ent->velocity[2] > 0)
|
|
ent->groundentity = NULL;
|
|
|
|
// check for the groundentity going away
|
|
if (ent->groundentity)
|
|
if (!ent->groundentity->inuse)
|
|
ent->groundentity = NULL;
|
|
|
|
// if onground, return without moving
|
|
if ( ent->groundentity )
|
|
return;
|
|
|
|
VectorCopy (ent->s.origin, old_origin);
|
|
|
|
SV_CheckVelocity (ent);
|
|
|
|
// add gravity
|
|
if (ent->movetype != MOVETYPE_FLY
|
|
&& ent->movetype != MOVETYPE_FLYMISSILE)
|
|
SV_AddGravity (ent);
|
|
|
|
// move angles
|
|
VectorMA (ent->s.angles, FRAMETIME, ent->avelocity, ent->s.angles);
|
|
|
|
// move origin
|
|
VectorScale (ent->velocity, FRAMETIME, move);
|
|
trace = SV_PushEntity (ent, move);
|
|
if (!ent->inuse)
|
|
return;
|
|
|
|
if (trace.fraction < 1)
|
|
{
|
|
if (ent->movetype == MOVETYPE_BOUNCE)
|
|
backoff = 1.5;
|
|
else
|
|
backoff = 1;
|
|
|
|
ClipVelocity (ent->velocity, trace.plane.normal, ent->velocity, backoff);
|
|
|
|
// stop if on ground
|
|
if (trace.plane.normal[2] > 0.7)
|
|
{
|
|
if (ent->velocity[2] < 60 || ent->movetype != MOVETYPE_BOUNCE )
|
|
{
|
|
ent->groundentity = trace.ent;
|
|
ent->groundentity_linkcount = trace.ent->linkcount;
|
|
VectorCopy (vec3_origin, ent->velocity);
|
|
VectorCopy (vec3_origin, ent->avelocity);
|
|
}
|
|
}
|
|
|
|
// if (ent->touch)
|
|
// ent->touch (ent, trace.ent, &trace.plane, trace.surface);
|
|
}
|
|
|
|
// check for water transition
|
|
wasinwater = (ent->watertype & MASK_WATER);
|
|
ent->watertype = gi.pointcontents (ent->s.origin);
|
|
isinwater = ent->watertype & MASK_WATER;
|
|
|
|
if (isinwater)
|
|
ent->waterlevel = 1;
|
|
else
|
|
ent->waterlevel = 0;
|
|
|
|
if (!wasinwater && isinwater)
|
|
gi.positioned_sound (old_origin, g_edicts, CHAN_AUTO, gi.soundindex("misc/h2ohit1.wav"), 1, 1, 0);
|
|
else if (wasinwater && !isinwater)
|
|
gi.positioned_sound (ent->s.origin, g_edicts, CHAN_AUTO, gi.soundindex("misc/h2ohit1.wav"), 1, 1, 0);
|
|
|
|
// move teamslaves
|
|
for (slave = ent->teamchain; slave; slave = slave->teamchain)
|
|
{
|
|
VectorCopy (ent->s.origin, slave->s.origin);
|
|
gi.linkentity (slave);
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
STEPPING MOVEMENT
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
/*
|
|
=============
|
|
SV_Physics_Step
|
|
|
|
Monsters freefall when they don't have a ground entity, otherwise
|
|
all movement is done with discrete steps.
|
|
|
|
This is also used for objects that have become still on the ground, but
|
|
will fall if the floor is pulled out from under them.
|
|
FIXME: is this true?
|
|
=============
|
|
*/
|
|
|
|
//FIXME: hacked in for E3 demo
|
|
#define sv_stopspeed 100
|
|
#define sv_friction 6
|
|
#define sv_waterfriction 1
|
|
|
|
void SV_AddRotationalFriction (edict_t *ent)
|
|
{
|
|
int n;
|
|
float adjustment;
|
|
|
|
VectorMA (ent->s.angles, FRAMETIME, ent->avelocity, ent->s.angles);
|
|
adjustment = FRAMETIME * sv_stopspeed * sv_friction;
|
|
for (n = 0; n < 3; n++)
|
|
{
|
|
if (ent->avelocity[n] > 0)
|
|
{
|
|
ent->avelocity[n] -= adjustment;
|
|
if (ent->avelocity[n] < 0)
|
|
ent->avelocity[n] = 0;
|
|
}
|
|
else
|
|
{
|
|
ent->avelocity[n] += adjustment;
|
|
if (ent->avelocity[n] > 0)
|
|
ent->avelocity[n] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void SV_Physics_Step (edict_t *ent)
|
|
{
|
|
qboolean wasonground;
|
|
qboolean hitsound = false;
|
|
float *vel;
|
|
float speed, newspeed, control;
|
|
float friction;
|
|
edict_t *groundentity;
|
|
int mask;
|
|
|
|
// airborn monsters should always check for ground
|
|
if (!ent->groundentity)
|
|
M_CheckGround (ent);
|
|
|
|
groundentity = ent->groundentity;
|
|
|
|
SV_CheckVelocity (ent);
|
|
|
|
if (groundentity)
|
|
wasonground = true;
|
|
else
|
|
wasonground = false;
|
|
|
|
if (ent->avelocity[0] || ent->avelocity[1] || ent->avelocity[2])
|
|
SV_AddRotationalFriction (ent);
|
|
|
|
// add gravity except:
|
|
// flying monsters
|
|
// swimming monsters who are in the water
|
|
if (! wasonground)
|
|
if (!(ent->flags & FL_FLY))
|
|
if (!((ent->flags & FL_SWIM) && (ent->waterlevel > 2)))
|
|
{
|
|
if (ent->velocity[2] < sv_gravity->value*-0.1)
|
|
hitsound = true;
|
|
if (ent->waterlevel == 0)
|
|
SV_AddGravity (ent);
|
|
}
|
|
|
|
// friction for flying monsters that have been given vertical velocity
|
|
if ((ent->flags & FL_FLY) && (ent->velocity[2] != 0))
|
|
{
|
|
speed = fabs(ent->velocity[2]);
|
|
control = speed < sv_stopspeed ? sv_stopspeed : speed;
|
|
friction = sv_friction/3;
|
|
newspeed = speed - (FRAMETIME * control * friction);
|
|
if (newspeed < 0)
|
|
newspeed = 0;
|
|
newspeed /= speed;
|
|
ent->velocity[2] *= newspeed;
|
|
}
|
|
|
|
// friction for flying monsters that have been given vertical velocity
|
|
if ((ent->flags & FL_SWIM) && (ent->velocity[2] != 0))
|
|
{
|
|
speed = fabs(ent->velocity[2]);
|
|
control = speed < sv_stopspeed ? sv_stopspeed : speed;
|
|
newspeed = speed - (FRAMETIME * control * sv_waterfriction * ent->waterlevel);
|
|
if (newspeed < 0)
|
|
newspeed = 0;
|
|
newspeed /= speed;
|
|
ent->velocity[2] *= newspeed;
|
|
}
|
|
|
|
if (ent->velocity[2] || ent->velocity[1] || ent->velocity[0])
|
|
{
|
|
// apply friction
|
|
// let dead monsters who aren't completely onground slide
|
|
if ((wasonground) || (ent->flags & (FL_SWIM|FL_FLY)))
|
|
if (!(ent->health <= 0.0 && !M_CheckBottom(ent)))
|
|
{
|
|
vel = ent->velocity;
|
|
speed = sqrt(vel[0]*vel[0] +vel[1]*vel[1]);
|
|
if (speed)
|
|
{
|
|
friction = sv_friction;
|
|
|
|
control = speed < sv_stopspeed ? sv_stopspeed : speed;
|
|
newspeed = speed - FRAMETIME*control*friction;
|
|
|
|
if (newspeed < 0)
|
|
newspeed = 0;
|
|
newspeed /= speed;
|
|
|
|
vel[0] *= newspeed;
|
|
vel[1] *= newspeed;
|
|
}
|
|
}
|
|
|
|
if (ent->svflags & SVF_MONSTER)
|
|
mask = MASK_MONSTERSOLID;
|
|
else
|
|
mask = MASK_SOLID;
|
|
SV_FlyMove (ent, FRAMETIME, mask);
|
|
|
|
gi.linkentity (ent);
|
|
G_TouchTriggers (ent);
|
|
|
|
if (ent->groundentity)
|
|
if (!wasonground)
|
|
if (hitsound)
|
|
gi.sound (ent, 0, gi.soundindex("world/land.wav"), 1, 1, 0);
|
|
}
|
|
|
|
// regular thinking
|
|
SV_RunThink (ent);
|
|
}
|
|
|
|
//============================================================================
|
|
/*
|
|
================
|
|
G_RunEntity
|
|
|
|
================
|
|
*/
|
|
void G_RunEntity (edict_t *ent)
|
|
{
|
|
if (ent->prethink)
|
|
ent->prethink (ent);
|
|
|
|
switch ( (int)ent->movetype)
|
|
{
|
|
case MOVETYPE_PUSH:
|
|
case MOVETYPE_STOP:
|
|
SV_Physics_Pusher (ent);
|
|
break;
|
|
case MOVETYPE_NONE:
|
|
SV_Physics_None (ent);
|
|
break;
|
|
case MOVETYPE_NOCLIP:
|
|
SV_Physics_Noclip (ent);
|
|
break;
|
|
case MOVETYPE_STEP:
|
|
SV_Physics_Step (ent);
|
|
break;
|
|
case MOVETYPE_TOSS:
|
|
case MOVETYPE_BOUNCE:
|
|
case MOVETYPE_FLY:
|
|
case MOVETYPE_FLYMISSILE:
|
|
SV_Physics_Toss (ent);
|
|
break;
|
|
default:
|
|
gi.error ("SV_Physics: bad movetype %i", (int)ent->movetype);
|
|
}
|
|
}
|