// predicts the movement
// assumes regular bounding box sizes
// NOTE: out of water jumping is not included
// NOTE: grappling hook is not included
// origin origin to start with
// presencetype presence type to start with
// velocity velocity to start with
// cmdmove client command movement
// cmdframes number of frame cmdmove is valid
// maxframes maximum number of predicted frames
// frametime duration of one predicted frame
// stopevent events that stop the prediction
// stopareanum stop as soon as entered this area
int AAS_ClientMovementPrediction(struct aas_clientmove_s *move,
int entnum, vector3 *origin,
int presencetype, int onground,
vector3 *velocity, vector3 *cmdmove,
int cmdframes,
int maxframes, float frametime,
int stopevent, int stopareanum,
vector3 *mins, vector3 *maxs, int visualize)
{
float phys_friction, phys_stopspeed, phys_gravity, phys_waterfriction;
float phys_watergravity;
float phys_walkaccelerate, phys_airaccelerate, phys_swimaccelerate;
float phys_maxwalkvelocity, phys_maxcrouchvelocity, phys_maxswimvelocity;
float phys_maxstep, phys_maxsteepness, phys_jumpvel, friction;
float gravity, delta, maxvel, wishspeed, accelerate;
//float velchange, newvel;
//int ax;
int n, i, j, pc, step, swimming, crouch, event, jump_frame, areanum;
int areas[20], numareas;
vector3 points[20];
vector3 org, end, feet, start, stepend, lastorg, wishdir;
vector3 frame_test_vel, old_frame_test_vel, left_test_vel;
vector3 up = {0, 0, 1};
aas_plane_t *plane, *plane2;
aas_trace_t trace, steptrace;
if (frametime <= 0) frametime = 0.1f;
//
phys_friction = aassettings.phys_friction;
phys_stopspeed = aassettings.phys_stopspeed;
phys_gravity = aassettings.phys_gravity;
phys_waterfriction = aassettings.phys_waterfriction;
phys_watergravity = aassettings.phys_watergravity;
phys_maxwalkvelocity = aassettings.phys_maxwalkvelocity;// * frametime;
phys_maxcrouchvelocity = aassettings.phys_maxcrouchvelocity;// * frametime;
phys_maxswimvelocity = aassettings.phys_maxswimvelocity;// * frametime;
phys_walkaccelerate = aassettings.phys_walkaccelerate;
phys_airaccelerate = aassettings.phys_airaccelerate;
phys_swimaccelerate = aassettings.phys_swimaccelerate;
phys_maxstep = aassettings.phys_maxstep;
phys_maxsteepness = aassettings.phys_maxsteepness;
phys_jumpvel = aassettings.phys_jumpvel * frametime;
//
memset(move, 0, sizeof(aas_clientmove_t));
memset(&trace, 0, sizeof(aas_trace_t));
//start at the current origin
VectorCopy(origin, &org);
org.z += 0.25f;
//velocity to test for the first frame
VectorScale(velocity, frametime, &frame_test_vel);
//
jump_frame = -1;
//predict a maximum of 'maxframes' ahead
for (n = 0; n < maxframes; n++)
{
swimming = AAS_Swimming(&org);
//get gravity depending on swimming or not
gravity = swimming ? phys_watergravity : phys_gravity;
//apply gravity at the START of the frame
frame_test_vel.z = frame_test_vel.z - (gravity * 0.1f * frametime);
//if on the ground or swimming
if (onground || swimming)
{
friction = swimming ? phys_friction : phys_waterfriction;
//apply friction
VectorScale(&frame_test_vel, 1/frametime, &frame_test_vel);
AAS_ApplyFriction(&frame_test_vel, friction, phys_stopspeed, frametime);
VectorScale(&frame_test_vel, frametime, &frame_test_vel);
}
crouch = qfalse;
//apply command movement
if (n < cmdframes)
{
//ax = 0;
maxvel = phys_maxwalkvelocity;
accelerate = phys_airaccelerate;
VectorCopy(cmdmove, &wishdir);
if (onground)
{
if (cmdmove->z < -300)
{
crouch = qtrue;
maxvel = phys_maxcrouchvelocity;
}
//if not swimming and upmove is positive then jump
if (!swimming && cmdmove->z > 1)
{
//jump velocity minus the gravity for one frame + 5 for safety
frame_test_vel.z = phys_jumpvel - (gravity * 0.1f * frametime) + 5;
jump_frame = n;
//jumping so air accelerate
accelerate = phys_airaccelerate;
}
else
{
accelerate = phys_walkaccelerate;
}
//ax = 2;
}
if (swimming)
{
maxvel = phys_maxswimvelocity;
accelerate = phys_swimaccelerate;
//ax = 3;
}
else
{
wishdir.z = 0;
}
//
wishspeed = VectorNormalize(&wishdir);
if (wishspeed > maxvel) wishspeed = maxvel;
VectorScale(&frame_test_vel, 1/frametime, &frame_test_vel);
AAS_Accelerate(&frame_test_vel, frametime, &wishdir, wishspeed, accelerate);
VectorScale(&frame_test_vel, frametime, &frame_test_vel);
/*
for (i = 0; i < ax; i++)
{
velchange = (cmdmove[i] * frametime) - frame_test_vel[i];
if (velchange > phys_maxacceleration) velchange = phys_maxacceleration;
else if (velchange < -phys_maxacceleration) velchange = -phys_maxacceleration;
newvel = frame_test_vel[i] + velchange;
//
if (frame_test_vel[i] <= maxvel && newvel > maxvel) frame_test_vel[i] = maxvel;
else if (frame_test_vel[i] >= -maxvel && newvel < -maxvel) frame_test_vel[i] = -maxvel;
else frame_test_vel[i] = newvel;
}
*/
}
if (crouch)
{
presencetype = PRESENCE_CROUCH;
}
else if (presencetype == PRESENCE_CROUCH)
{
if (AAS_PointPresenceType(&org) & PRESENCE_NORMAL)
{
presencetype = PRESENCE_NORMAL;
}
}
//save the current origin
VectorCopy(&org, &lastorg);
//move linear during one frame
VectorCopy(&frame_test_vel, &left_test_vel);
j = 0;
do
{
VectorAdd(&org, &left_test_vel, &end);
//trace a bounding box
trace = AAS_TraceClientBBox(&org, &end, presencetype, entnum);
//
//#ifdef AAS_MOVE_DEBUG
if (visualize)
{
if (trace.startsolid) botimport.Print(PRT_MESSAGE, "PredictMovement: start solid\n");
AAS_DebugLine(&org, &trace.endpos, LINECOLOR_RED);
}
//#endif //AAS_MOVE_DEBUG
//
if (stopevent & (SE_ENTERAREA|SE_TOUCHJUMPPAD|SE_TOUCHTELEPORTER|SE_TOUCHCLUSTERPORTAL))
{
numareas = AAS_TraceAreas(&org, &trace.endpos, areas, points, 20);
for (i = 0; i < numareas; i++)
{
if (stopevent & SE_ENTERAREA)
{
if (areas[i] == stopareanum)
{
VectorCopy(&points[i], &move->endpos);
VectorScale(&frame_test_vel, 1.0f/frametime, &move->velocity);
move->endarea = areas[i];
move->trace = trace;
move->stopevent = SE_ENTERAREA;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
//NOTE: if not the first frame
if ((stopevent & SE_TOUCHJUMPPAD) && n)
{
if (aasworld.areasettings[areas[i]].contents & AREACONTENTS_JUMPPAD)
{
VectorCopy(&points[i], &move->endpos);
VectorScale(&frame_test_vel, 1.0f/frametime, &move->velocity);
move->endarea = areas[i];
move->trace = trace;
move->stopevent = SE_TOUCHJUMPPAD;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
if (stopevent & SE_TOUCHTELEPORTER)
{
if (aasworld.areasettings[areas[i]].contents & AREACONTENTS_TELEPORTER)
{
VectorCopy(&points[i], &move->endpos);
move->endarea = areas[i];
VectorScale(&frame_test_vel, 1.0f/frametime, &move->velocity);
move->trace = trace;
move->stopevent = SE_TOUCHTELEPORTER;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
if (stopevent & SE_TOUCHCLUSTERPORTAL)
{
if (aasworld.areasettings[areas[i]].contents & AREACONTENTS_CLUSTERPORTAL)
{
VectorCopy(&points[i], &move->endpos);
move->endarea = areas[i];
VectorScale(&frame_test_vel, 1.0f/frametime, &move->velocity);
move->trace = trace;
move->stopevent = SE_TOUCHCLUSTERPORTAL;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
}
}
//
if (stopevent & SE_HITBOUNDINGBOX)
{
if (AAS_ClipToBBox(&trace, &org, &trace.endpos, presencetype, mins, maxs))
{
VectorCopy(&trace.endpos, &move->endpos);
move->endarea = AAS_PointAreaNum(&move->endpos);
VectorScale(&frame_test_vel, 1.0f/frametime, &move->velocity);
move->trace = trace;
move->stopevent = SE_HITBOUNDINGBOX;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
//move the entity to the trace end point
VectorCopy(&trace.endpos, &org);
//if there was a collision
if (trace.fraction < 1.0f)
{
//get the plane the bounding box collided with
plane = AAS_PlaneFromNum(trace.planenum);
//
if (stopevent & SE_HITGROUNDAREA)
{
if (DotProduct(&plane->normal, &up) > phys_maxsteepness)
{
VectorCopy(&org, &start);
start.z += 0.5f;
if (AAS_PointAreaNum(&start) == stopareanum)
{
VectorCopy(&start, &move->endpos);
move->endarea = stopareanum;
VectorScale(&frame_test_vel, 1.0f/frametime, &move->velocity);
move->trace = trace;
move->stopevent = SE_HITGROUNDAREA;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
}
//assume there's no step
step = qfalse;
//if it is a vertical plane and the bot didn't jump recently
if (plane->normal.z == 0 && (jump_frame < 0 || n - jump_frame > 2))
{
//check for a step
VectorMA(&org, -0.25f, &plane->normal, &start);
VectorCopy(&start, &stepend);
start.z += phys_maxstep;
steptrace = AAS_TraceClientBBox(&start, &stepend, presencetype, entnum);
//
if (!steptrace.startsolid)
{
plane2 = AAS_PlaneFromNum(steptrace.planenum);
if (DotProduct(&plane2->normal, &up) > phys_maxsteepness)
{
VectorSubtract(&end, &steptrace.endpos, &left_test_vel);
left_test_vel.z = 0;
frame_test_vel.z = 0;
//#ifdef AAS_MOVE_DEBUG
if (visualize)
{
if (steptrace.endpos.z - org.z > 0.125f)
{
VectorCopy(&org, &start);
start.z = steptrace.endpos.z;
AAS_DebugLine(&org, &start, LINECOLOR_BLUE);
}
}
//#endif //AAS_MOVE_DEBUG
org.z = steptrace.endpos.z;
step = qtrue;
}
}
}
//
if (!step)
{
//velocity left to test for this frame is the projection
//of the current test velocity into the hit plane
VectorMA(&left_test_vel, -DotProduct(&left_test_vel, &plane->normal), &plane->normal, &left_test_vel);
//store the old velocity for landing check
VectorCopy(&frame_test_vel, &old_frame_test_vel);
//test velocity for the next frame is the projection
//of the velocity of the current frame into the hit plane
VectorMA(&frame_test_vel, -DotProduct(&frame_test_vel, &plane->normal), &plane->normal, &frame_test_vel);
//check for a landing on an almost horizontal floor
if (DotProduct(&plane->normal, &up) > phys_maxsteepness)
{
onground = qtrue;
}
if (stopevent & SE_HITGROUNDDAMAGE)
{
delta = 0;
if (old_frame_test_vel.z < 0 &&
frame_test_vel.z > old_frame_test_vel.z &&
!onground)
{
delta = old_frame_test_vel.z;
}
else if (onground)
{
delta = frame_test_vel.z - old_frame_test_vel.z;
}
if (delta)
{
delta = delta * 10;
delta = delta * delta * 0.0001f;
if (swimming) delta = 0;
// never take falling damage if completely underwater
/*
if (ent->waterlevel == 3) return;
if (ent->waterlevel == 2) delta *= 0.25f;
if (ent->waterlevel == 1) delta *= 0.5f;
*/
if (delta > 40)
{
VectorCopy(&org, &move->endpos);
move->endarea = AAS_PointAreaNum(&org);
VectorCopy(&frame_test_vel, &move->velocity);
move->trace = trace;
move->stopevent = SE_HITGROUNDDAMAGE;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
}
}
}
//extra check to prevent endless loop
if (++j > 20) return qfalse;
//while there is a plane hit
} while(trace.fraction < 1.0f);
//if going down
if (frame_test_vel.z <= 10)
{
//check for a liquid at the feet of the bot
VectorCopy(&org, &feet);
feet.z -= 22;
pc = AAS_PointContents(&feet);
//get event from pc
event = SE_NONE;
if (pc & CONTENTS_LAVA) event |= SE_ENTERLAVA;
if (pc & CONTENTS_SLIME) event |= SE_ENTERSLIME;
if (pc & CONTENTS_WATER) event |= SE_ENTERWATER;
//
areanum = AAS_PointAreaNum(&org);
if (aasworld.areasettings[areanum].contents & AREACONTENTS_LAVA)
event |= SE_ENTERLAVA;
if (aasworld.areasettings[areanum].contents & AREACONTENTS_SLIME)
event |= SE_ENTERSLIME;
if (aasworld.areasettings[areanum].contents & AREACONTENTS_WATER)
event |= SE_ENTERWATER;
//if in lava or slime
if (event & stopevent)
{
VectorCopy(&org, &move->endpos);
move->endarea = areanum;
VectorScale(&frame_test_vel, 1.0f/frametime, &move->velocity);
move->stopevent = event & stopevent;
move->presencetype = presencetype;
move->endcontents = pc;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
//
onground = AAS_OnGround(&org, presencetype, entnum);
//if onground and on the ground for at least one whole frame
if (onground)
{
if (stopevent & SE_HITGROUND)
{
VectorCopy(&org, &move->endpos);
move->endarea = AAS_PointAreaNum(&org);
VectorScale(&frame_test_vel, 1.0f/frametime, &move->velocity);
move->trace = trace;
move->stopevent = SE_HITGROUND;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
else if (stopevent & SE_LEAVEGROUND)
{
VectorCopy(&org, &move->endpos);
move->endarea = AAS_PointAreaNum(&org);
VectorScale(&frame_test_vel, 1/frametime, &move->velocity);
move->trace = trace;
move->stopevent = SE_LEAVEGROUND;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
else if (stopevent & SE_GAP)
{
aas_trace_t gaptrace;
VectorCopy(&org, &start);
VectorCopy(&start, &end);
end.z -= 48 + aassettings.phys_maxbarrier;
gaptrace = AAS_TraceClientBBox(&start, &end, PRESENCE_CROUCH, -1);
//if solid is found the bot cannot walk any further and will not fall into a gap
if (!gaptrace.startsolid)
{
//if it is a gap (lower than one step height)
if (gaptrace.endpos.z < org.z - aassettings.phys_maxstep - 1)
{
if (!(AAS_PointContents(&end) & CONTENTS_WATER))
{
VectorCopy(&lastorg, &move->endpos);
move->endarea = AAS_PointAreaNum(&lastorg);
VectorScale(&frame_test_vel, 1.0f/frametime, &move->velocity);
move->trace = trace;
move->stopevent = SE_GAP;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
}
}
}
//
VectorCopy(&org, &move->endpos);
move->endarea = AAS_PointAreaNum(&org);
VectorScale(&frame_test_vel, 1.0f/frametime, &move->velocity);
move->stopevent = SE_NONE;
move->presencetype = presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
//
return qtrue;
}
//===========================================================================
// predicts the movement
// assumes regular bounding box sizes
// NOTE: out of water jumping is not included
// NOTE: grappling hook is not included
//
// Parameter: origin : origin to start with
// presencetype : presence type to start with
// velocity : velocity to start with
// cmdmove : client command movement
// cmdframes : number of frame cmdmove is valid
// maxframes : maximum number of predicted frames
// frametime : duration of one predicted frame
// stopevent : events that stop the prediction
// stopareanum : stop as soon as entered this area
// Returns: aas_clientmove_t
// Changes Globals: -
//===========================================================================
int AAS_PredictClientMovement( struct aas_clientmove_s *move,
int entnum, vec3_t origin,
#if !defined RTCW_ET
int presencetype, int onground,
#else
int hitent, int onground,
#endif // RTCW_XX
vec3_t velocity, vec3_t cmdmove,
int cmdframes,
int maxframes, float frametime,
int stopevent, int stopareanum, int visualize ) {
float sv_friction, sv_stopspeed, sv_gravity, sv_waterfriction;
float sv_watergravity;
float sv_walkaccelerate, sv_airaccelerate, sv_swimaccelerate;
float sv_maxwalkvelocity, sv_maxcrouchvelocity, sv_maxswimvelocity;
float sv_maxstep, sv_maxsteepness, sv_jumpvel, friction;
float gravity, delta, maxvel, wishspeed, accelerate;
//float velchange, newvel;
int n, i, j, pc, step, swimming, ax, crouch, event, jump_frame, areanum;
int areas[20], numareas;
#if !defined RTCW_ET
vec3_t points[20];
vec3_t org, end, feet, start, stepend, lastorg, wishdir;
vec3_t frame_test_vel, old_frame_test_vel, left_test_vel;
vec3_t up = {0, 0, 1};
aas_plane_t *plane, *plane2;
aas_trace_t trace, steptrace;
#else
vec3_t points[20], mins, maxs;
vec3_t org, end, feet, start, stepend, lastorg, wishdir;
vec3_t frame_test_vel, old_frame_test_vel, left_test_vel, savevel;
vec3_t up = {0, 0, 1};
cplane_t *plane, *plane2, *lplane;
//aas_trace_t trace, steptrace;
bsp_trace_t trace, steptrace;
if ( visualize ) {
// These debugging tools are not currently available in bspc. Mad Doctor I, 1/27/2003.
#ifndef BSPC
AAS_ClearShownPolygons();
AAS_ClearShownDebugLines();
#endif
}
// don't let us succeed on interaction with area 0
if ( stopareanum == 0 ) {
stopevent &= ~( SE_ENTERAREA | SE_HITGROUNDAREA );
}
#endif // RTCW_XX
if ( frametime <= 0 ) {
frametime = 0.1;
}
//
sv_friction = aassettings.sv_friction;
sv_stopspeed = aassettings.sv_stopspeed;
sv_gravity = aassettings.sv_gravity;
sv_waterfriction = aassettings.sv_waterfriction;
sv_watergravity = aassettings.sv_watergravity;
sv_maxwalkvelocity = aassettings.sv_maxwalkvelocity; // * frametime;
sv_maxcrouchvelocity = aassettings.sv_maxcrouchvelocity; // * frametime;
sv_maxswimvelocity = aassettings.sv_maxswimvelocity; // * frametime;
sv_walkaccelerate = aassettings.sv_walkaccelerate;
sv_airaccelerate = aassettings.sv_airaccelerate;
sv_swimaccelerate = aassettings.sv_swimaccelerate;
sv_maxstep = aassettings.sv_maxstep;
sv_maxsteepness = aassettings.sv_maxsteepness;
sv_jumpvel = aassettings.sv_jumpvel * frametime;
//
memset( move, 0, sizeof( aas_clientmove_t ) );
#if !defined RTCW_ET
memset( &trace, 0, sizeof( aas_trace_t ) );
#else
memset( &trace, 0, sizeof( bsp_trace_t ) );
AAS_PresenceTypeBoundingBox( PRESENCE_NORMAL, mins, maxs );
#endif // RTCW_XX
//start at the current origin
VectorCopy( origin, org );
org[2] += 0.25;
#if defined RTCW_ET
// test this position, if it's in solid, move it up to adjust for capsules
//trace = AAS_TraceClientBBox(org, org, PRESENCE_NORMAL, entnum);
trace = AAS_Trace( org, mins, maxs, org, entnum, ( CONTENTS_SOLID | CONTENTS_PLAYERCLIP ) & ~CONTENTS_BODY );
while ( trace.startsolid ) {
org[2] += 8;
//trace = AAS_TraceClientBBox(org, org, PRESENCE_NORMAL, entnum);
trace = AAS_Trace( org, mins, maxs, org, entnum, ( CONTENTS_SOLID | CONTENTS_PLAYERCLIP ) & ~CONTENTS_BODY );
if ( trace.startsolid && ( org[2] - origin[2] > 16 ) ) {
move->stopevent = SE_NONE;
return qfalse;
}
}
#endif // RTCW_XX
//velocity to test for the first frame
VectorScale( velocity, frametime, frame_test_vel );
//
jump_frame = -1;
#if defined RTCW_ET
lplane = NULL;
#endif // RTCW_XX
//predict a maximum of 'maxframes' ahead
for ( n = 0; n < maxframes; n++ )
{
swimming = AAS_Swimming( org );
//get gravity depending on swimming or not
gravity = swimming ? sv_watergravity : sv_gravity;
//apply gravity at the START of the frame
frame_test_vel[2] = frame_test_vel[2] - ( gravity * 0.1 * frametime );
//if on the ground or swimming
if ( onground || swimming ) {
friction = swimming ? sv_friction : sv_waterfriction;
//apply friction
VectorScale( frame_test_vel, 1 / frametime, frame_test_vel );
AAS_ApplyFriction( frame_test_vel, friction, sv_stopspeed, frametime );
VectorScale( frame_test_vel, frametime, frame_test_vel );
} //end if
crouch = qfalse;
//apply command movement
#if !defined RTCW_ET
if ( n < cmdframes ) {
#else
if ( cmdframes < 0 ) {
// cmdmove is the destination, we should keep moving towards it
VectorSubtract( cmdmove, org, wishdir );
VectorNormalize( wishdir );
VectorScale( wishdir, sv_maxwalkvelocity, wishdir );
VectorCopy( frame_test_vel, savevel );
VectorScale( wishdir, frametime, frame_test_vel );
if ( !swimming ) {
frame_test_vel[2] = savevel[2];
}
} else if ( n < cmdframes ) {
#endif // RTCW_XX
ax = 0;
maxvel = sv_maxwalkvelocity;
accelerate = sv_airaccelerate;
VectorCopy( cmdmove, wishdir );
if ( onground ) {
if ( cmdmove[2] < -300 ) {
crouch = qtrue;
maxvel = sv_maxcrouchvelocity;
} //end if
//if not swimming and upmove is positive then jump
if ( !swimming && cmdmove[2] > 1 ) {
//jump velocity minus the gravity for one frame + 5 for safety
frame_test_vel[2] = sv_jumpvel - ( gravity * 0.1 * frametime ) + 5;
jump_frame = n;
//jumping so air accelerate
accelerate = sv_airaccelerate;
} //end if
else
{
accelerate = sv_walkaccelerate;
} //end else
ax = 2;
} //end if
if ( swimming ) {
maxvel = sv_maxswimvelocity;
accelerate = sv_swimaccelerate;
ax = 3;
} //end if
else
{
wishdir[2] = 0;
} //end else
//
wishspeed = VectorNormalize( wishdir );
if ( wishspeed > maxvel ) {
wishspeed = maxvel;
}
VectorScale( frame_test_vel, 1 / frametime, frame_test_vel );
AAS_Accelerate( frame_test_vel, frametime, wishdir, wishspeed, accelerate );
VectorScale( frame_test_vel, frametime, frame_test_vel );
/*
for (i = 0; i < ax; i++)
{
velchange = (cmdmove[i] * frametime) - frame_test_vel[i];
if (velchange > sv_maxacceleration) velchange = sv_maxacceleration;
else if (velchange < -sv_maxacceleration) velchange = -sv_maxacceleration;
newvel = frame_test_vel[i] + velchange;
//
if (frame_test_vel[i] <= maxvel && newvel > maxvel) frame_test_vel[i] = maxvel;
else if (frame_test_vel[i] >= -maxvel && newvel < -maxvel) frame_test_vel[i] = -maxvel;
else frame_test_vel[i] = newvel;
} //end for
*/
} //end if
#if !defined RTCW_ET
if ( crouch ) {
presencetype = PRESENCE_CROUCH;
} //end if
else if ( presencetype == PRESENCE_CROUCH ) {
if ( AAS_PointPresenceType( org ) & PRESENCE_NORMAL ) {
presencetype = PRESENCE_NORMAL;
} //end if
} //end else
#else
//if (crouch)
//{
// presencetype = PRESENCE_CROUCH;
//} //end if
//else if (presencetype == PRESENCE_CROUCH)
//{
// if (AAS_PointPresenceType(org) & PRESENCE_NORMAL)
// {
// presencetype = PRESENCE_NORMAL;
// } //end if
//} //end else
#endif // RTCW_XX
//save the current origin
VectorCopy( org, lastorg );
//move linear during one frame
VectorCopy( frame_test_vel, left_test_vel );
j = 0;
do
{
VectorAdd( org, left_test_vel, end );
//trace a bounding box
#if !defined RTCW_ET
trace = AAS_TraceClientBBox( org, end, presencetype, entnum );
#else
//trace = AAS_TraceClientBBox(org, end, PRESENCE_NORMAL, entnum);
trace = AAS_Trace( org, mins, maxs, end, entnum, ( CONTENTS_SOLID | CONTENTS_PLAYERCLIP ) & ~CONTENTS_BODY );
#endif // RTCW_XX
//
//#ifdef AAS_MOVE_DEBUG
if ( visualize ) {
#if !defined RTCW_ET
if ( trace.startsolid ) {
botimport.Print( PRT_MESSAGE, "PredictMovement: start solid\n" );
}
#else
//if (trace.startsolid)
//botimport.Print(PRT_MESSAGE, "PredictMovement: start solid\n");
#endif // RTCW_XX
AAS_DebugLine( org, trace.endpos, LINECOLOR_RED );
} //end if
//#endif //AAS_MOVE_DEBUG
//
#if defined RTCW_ET
if ( stopevent & SE_HITENT ) {
if ( trace.fraction < 1.0 && trace.ent == hitent ) {
areanum = AAS_PointAreaNum( org );
VectorCopy( org, move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->trace = trace;
move->stopevent = SE_HITENT;
move->presencetype = ( *aasworld ).areasettings[areanum].presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
#endif // RTCW_XX
if ( stopevent & SE_ENTERAREA ) {
numareas = AAS_TraceAreas( org, trace.endpos, areas, points, 20 );
for ( i = 0; i < numareas; i++ )
{
if ( areas[i] == stopareanum ) {
VectorCopy( points[i], move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->trace = trace;
move->stopevent = SE_ENTERAREA;
#if !defined RTCW_ET
move->presencetype = presencetype;
#else
move->presencetype = ( *aasworld ).areasettings[areas[i]].presencetype;
#endif // RTCW_XX
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
} //end if
} //end for
} //end if
#if defined RTCW_ET
if ( stopevent & SE_STUCK ) {
if ( trace.fraction < 1.0 ) {
plane = &trace.plane;
//if (Q_fabs(plane->normal[2]) <= sv_maxsteepness) {
VectorNormalize2( frame_test_vel, wishdir );
if ( DotProduct( plane->normal, wishdir ) < -0.8 ) {
areanum = AAS_PointAreaNum( org );
VectorCopy( org, move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->trace = trace;
move->stopevent = SE_STUCK;
move->presencetype = ( *aasworld ).areasettings[areanum].presencetype;
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
}
}
}
#endif // RTCW_XX
//move the entity to the trace end point
VectorCopy( trace.endpos, org );
//if there was a collision
if ( trace.fraction < 1.0 ) {
//get the plane the bounding box collided with
#if !defined RTCW_ET
plane = AAS_PlaneFromNum( trace.planenum );
#else
plane = &trace.plane;
#endif // RTCW_XX
//
if ( stopevent & SE_HITGROUNDAREA ) {
if ( DotProduct( plane->normal, up ) > sv_maxsteepness ) {
VectorCopy( org, start );
start[2] += 0.5;
#if !defined RTCW_ET
if ( AAS_PointAreaNum( start ) == stopareanum ) {
#else
if ( ( stopareanum < 0 && AAS_PointAreaNum( start ) ) || ( AAS_PointAreaNum( start ) == stopareanum ) ) {
#endif // RTCW_XX
VectorCopy( start, move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->trace = trace;
move->stopevent = SE_HITGROUNDAREA;
#if !defined RTCW_ET
move->presencetype = presencetype;
#else
move->presencetype = ( *aasworld ).areasettings[stopareanum].presencetype;
#endif // RTCW_XX
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
} //end if
} //end if
} //end if
//assume there's no step
step = qfalse;
//if it is a vertical plane and the bot didn't jump recently
if ( plane->normal[2] == 0 && ( jump_frame < 0 || n - jump_frame > 2 ) ) {
//check for a step
VectorMA( org, -0.25, plane->normal, start );
VectorCopy( start, stepend );
start[2] += sv_maxstep;
#if !defined RTCW_ET
steptrace = AAS_TraceClientBBox( start, stepend, presencetype, entnum );
#else
//steptrace = AAS_TraceClientBBox(start, stepend, PRESENCE_NORMAL, entnum);
steptrace = AAS_Trace( start, mins, maxs, stepend, entnum, ( CONTENTS_SOLID | CONTENTS_PLAYERCLIP ) & ~CONTENTS_BODY );
#endif // RTCW_XX
//
if ( !steptrace.startsolid ) {
#if !defined RTCW_ET
plane2 = AAS_PlaneFromNum( steptrace.planenum );
#else
plane2 = &steptrace.plane;
#endif // RTCW_XX
if ( DotProduct( plane2->normal, up ) > sv_maxsteepness ) {
VectorSubtract( end, steptrace.endpos, left_test_vel );
left_test_vel[2] = 0;
frame_test_vel[2] = 0;
//#ifdef AAS_MOVE_DEBUG
if ( visualize ) {
if ( steptrace.endpos[2] - org[2] > 0.125 ) {
VectorCopy( org, start );
start[2] = steptrace.endpos[2];
AAS_DebugLine( org, start, LINECOLOR_BLUE );
} //end if
} //end if
//#endif //AAS_MOVE_DEBUG
org[2] = steptrace.endpos[2];
step = qtrue;
} //end if
} //end if
} //end if
//
if ( !step ) {
//velocity left to test for this frame is the projection
//of the current test velocity into the hit plane
VectorMA( left_test_vel, -DotProduct( left_test_vel, plane->normal ),
plane->normal, left_test_vel );
#if defined RTCW_ET
// RF: from PM_SlideMove()
// if this is the same plane we hit before, nudge velocity
// out along it, which fixes some epsilon issues with
// non-axial planes
if ( lplane && DotProduct( lplane->normal, plane->normal ) > 0.99 ) {
VectorAdd( plane->normal, left_test_vel, left_test_vel );
}
lplane = plane;
#endif // RTCW_XX
//store the old velocity for landing check
VectorCopy( frame_test_vel, old_frame_test_vel );
//test velocity for the next frame is the projection
//of the velocity of the current frame into the hit plane
VectorMA( frame_test_vel, -DotProduct( frame_test_vel, plane->normal ),
plane->normal, frame_test_vel );
//check for a landing on an almost horizontal floor
if ( DotProduct( plane->normal, up ) > sv_maxsteepness ) {
onground = qtrue;
} //end if
if ( stopevent & SE_HITGROUNDDAMAGE ) {
delta = 0;
if ( old_frame_test_vel[2] < 0 &&
frame_test_vel[2] > old_frame_test_vel[2] &&
!onground ) {
delta = old_frame_test_vel[2];
} //end if
else if ( onground ) {
delta = frame_test_vel[2] - old_frame_test_vel[2];
} //end else
if ( delta ) {
delta = delta * 10;
delta = delta * delta * 0.0001;
if ( swimming ) {
delta = 0;
}
// never take falling damage if completely underwater
/*
if (ent->waterlevel == 3) return;
if (ent->waterlevel == 2) delta *= 0.25;
if (ent->waterlevel == 1) delta *= 0.5;
*/
if ( delta > 40 ) {
VectorCopy( org, move->endpos );
VectorCopy( frame_test_vel, move->velocity );
move->trace = trace;
move->stopevent = SE_HITGROUNDDAMAGE;
#if !defined RTCW_ET
move->presencetype = presencetype;
#else
areanum = AAS_PointAreaNum( org );
if ( areanum ) {
move->presencetype = ( *aasworld ).areasettings[areanum].presencetype;
}
#endif // RTCW_XX
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
} //end if
} //end if
} //end if
} //end if
} //end if
//extra check to prevent endless loop
if ( ++j > 20 ) {
return qfalse;
}
//while there is a plane hit
} while ( trace.fraction < 1.0 );
//if going down
if ( frame_test_vel[2] <= 10 ) {
//check for a liquid at the feet of the bot
VectorCopy( org, feet );
feet[2] -= 22;
pc = AAS_PointContents( feet );
//get event from pc
event = SE_NONE;
if ( pc & CONTENTS_LAVA ) {
event |= SE_ENTERLAVA;
}
if ( pc & CONTENTS_SLIME ) {
event |= SE_ENTERSLIME;
}
if ( pc & CONTENTS_WATER ) {
event |= SE_ENTERWATER;
}
//
areanum = AAS_PointAreaNum( org );
if ( ( *aasworld ).areasettings[areanum].contents & AREACONTENTS_LAVA ) {
event |= SE_ENTERLAVA;
}
if ( ( *aasworld ).areasettings[areanum].contents & AREACONTENTS_SLIME ) {
event |= SE_ENTERSLIME;
}
if ( ( *aasworld ).areasettings[areanum].contents & AREACONTENTS_WATER ) {
event |= SE_ENTERWATER;
}
//if in lava or slime
if ( event & stopevent ) {
VectorCopy( org, move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->stopevent = event & stopevent;
#if !defined RTCW_ET
move->presencetype = presencetype;
#else
move->presencetype = ( *aasworld ).areasettings[areanum].presencetype;
#endif // RTCW_XX
move->endcontents = pc;
move->time = n * frametime;
move->frames = n;
return qtrue;
} //end if
} //end if
//
#if !defined RTCW_ET
onground = AAS_OnGround( org, presencetype, entnum );
#else
onground = AAS_OnGround( org, PRESENCE_NORMAL, entnum );
#endif // RTCW_XX
//if onground and on the ground for at least one whole frame
if ( onground ) {
if ( stopevent & SE_HITGROUND ) {
VectorCopy( org, move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->trace = trace;
move->stopevent = SE_HITGROUND;
#if !defined RTCW_ET
move->presencetype = presencetype;
#else
areanum = AAS_PointAreaNum( org );
if ( areanum ) {
move->presencetype = ( *aasworld ).areasettings[areanum].presencetype;
}
#endif // RTCW_XX
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
} //end if
} //end if
else if ( stopevent & SE_LEAVEGROUND ) {
VectorCopy( org, move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->trace = trace;
move->stopevent = SE_LEAVEGROUND;
#if !defined RTCW_ET
move->presencetype = presencetype;
#else
areanum = AAS_PointAreaNum( org );
if ( areanum ) {
move->presencetype = ( *aasworld ).areasettings[areanum].presencetype;
}
#endif // RTCW_XX
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
} //end else if
else if ( stopevent & SE_GAP ) {
#if !defined RTCW_ET
aas_trace_t gaptrace;
#else
bsp_trace_t gaptrace;
#endif // RTCW_XX
VectorCopy( org, start );
VectorCopy( start, end );
end[2] -= 48 + aassettings.sv_maxbarrier;
#if !defined RTCW_ET
gaptrace = AAS_TraceClientBBox( start, end, PRESENCE_CROUCH, -1 );
#else
//gaptrace = AAS_TraceClientBBox(start, end, PRESENCE_CROUCH, -1);
gaptrace = AAS_Trace( start, mins, maxs, end, -1, ( CONTENTS_SOLID | CONTENTS_PLAYERCLIP ) & ~CONTENTS_BODY );
#endif // RTCW_XX
//if solid is found the bot cannot walk any further and will not fall into a gap
if ( !gaptrace.startsolid ) {
//if it is a gap (lower than one step height)
if ( gaptrace.endpos[2] < org[2] - aassettings.sv_maxstep - 1 ) {
if ( !( AAS_PointContents( end ) & ( CONTENTS_WATER | CONTENTS_SLIME ) ) ) { //----(SA) modified since slime is no longer deadly
// if (!(AAS_PointContents(end) & CONTENTS_WATER))
VectorCopy( lastorg, move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->trace = trace;
move->stopevent = SE_GAP;
#if !defined RTCW_ET
move->presencetype = presencetype;
#else
areanum = AAS_PointAreaNum( org );
if ( areanum ) {
move->presencetype = ( *aasworld ).areasettings[areanum].presencetype;
}
#endif // RTCW_XX
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
} //end if
} //end if
} //end if
} //end else if
if ( stopevent & SE_TOUCHJUMPPAD ) {
if ( ( *aasworld ).areasettings[AAS_PointAreaNum( org )].contents & AREACONTENTS_JUMPPAD ) {
VectorCopy( org, move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->trace = trace;
move->stopevent = SE_TOUCHJUMPPAD;
#if !defined RTCW_ET
move->presencetype = presencetype;
#else
areanum = AAS_PointAreaNum( org );
if ( areanum ) {
move->presencetype = ( *aasworld ).areasettings[areanum].presencetype;
}
#endif // RTCW_XX
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
} //end if
} //end if
if ( stopevent & SE_TOUCHTELEPORTER ) {
if ( ( *aasworld ).areasettings[AAS_PointAreaNum( org )].contents & AREACONTENTS_TELEPORTER ) {
VectorCopy( org, move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->trace = trace;
move->stopevent = SE_TOUCHTELEPORTER;
#if !defined RTCW_ET
move->presencetype = presencetype;
#else
areanum = AAS_PointAreaNum( org );
if ( areanum ) {
move->presencetype = ( *aasworld ).areasettings[areanum].presencetype;
}
#endif // RTCW_XX
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
return qtrue;
} //end if
} //end if
} //end for
//
#if defined RTCW_ET
areanum = AAS_PointAreaNum( org );
#endif // RTCW_XX
VectorCopy( org, move->endpos );
VectorScale( frame_test_vel, 1 / frametime, move->velocity );
move->stopevent = SE_NONE;
#if !defined RTCW_ET
move->presencetype = presencetype;
#else
move->presencetype = aasworld->areasettings ? aasworld->areasettings[areanum].presencetype : 0;
#endif // RTCW_XX
move->endcontents = 0;
move->time = n * frametime;
move->frames = n;
//
return qtrue;
} //end of the function AAS_PredictClientMovement
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_TestMovementPrediction( int entnum, vec3_t origin, vec3_t dir ) {
vec3_t velocity, cmdmove;
aas_clientmove_t move;
VectorClear( velocity );
if ( !AAS_Swimming( origin ) ) {
dir[2] = 0;
}
VectorNormalize( dir );
VectorScale( dir, 400, cmdmove );
cmdmove[2] = 224;
AAS_ClearShownDebugLines();
AAS_PredictClientMovement( &move, entnum, origin, PRESENCE_NORMAL, qtrue,
velocity, cmdmove, 13, 13, 0.1, SE_HITGROUND, 0, qtrue ); //SE_LEAVEGROUND);
if ( move.stopevent & SE_LEAVEGROUND ) {
botimport.Print( PRT_MESSAGE, "leave ground\n" );
} //end if
} //end of the function TestMovementPrediction
//===========================================================================
// calculates the horizontal velocity needed to perform a jump from start
// to end
//
// Parameter: zvel : z velocity for jump
// start : start position of jump
// end : end position of jump
// *speed : returned speed for jump
// Returns: qfalse if too high or too far from start to end
// Changes Globals: -
//===========================================================================
int AAS_HorizontalVelocityForJump( float zvel, vec3_t start, vec3_t end, float *velocity ) {
float sv_gravity, sv_maxvelocity;
float maxjump, height2fall, t, top;
vec3_t dir;
sv_gravity = aassettings.sv_gravity;
sv_maxvelocity = aassettings.sv_maxvelocity;
//maximum height a player can jump with the given initial z velocity
maxjump = 0.5 * sv_gravity * ( zvel / sv_gravity ) * ( zvel / sv_gravity );
//top of the parabolic jump
top = start[2] + maxjump;
//height the bot will fall from the top
height2fall = top - end[2];
//if the goal is to high to jump to
if ( height2fall < 0 ) {
*velocity = sv_maxvelocity;
return 0;
} //end if
//time a player takes to fall the height
t = c::sqrt( height2fall / ( 0.5 * sv_gravity ) );
//direction from start to end
VectorSubtract( end, start, dir );
//calculate horizontal speed
*velocity = c::sqrt( dir[0] * dir[0] + dir[1] * dir[1] ) / ( t + zvel / sv_gravity );
//the horizontal speed must be lower than the max speed
if ( *velocity > sv_maxvelocity ) {
*velocity = sv_maxvelocity;
return 0;
} //end if
return 1;
} //end of the function AAS_HorizontalVelocityForJump