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+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena source code is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Quake III Arena source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+
+/*****************************************************************************
+ * name: be_aas_move.c
+ *
+ * desc: AAS
+ *
+ * $Archive: /MissionPack/code/botlib/be_aas_move.c $
+ *
+ *****************************************************************************/
+
+#include "../qcommon/q_shared.h"
+#include "l_memory.h"
+#include "l_script.h"
+#include "l_precomp.h"
+#include "l_struct.h"
+#include "l_libvar.h"
+#include "aasfile.h"
+#include "botlib.h"
+#include "be_aas.h"
+#include "be_aas_funcs.h"
+#include "be_aas_def.h"
+
+extern botlib_import_t botimport;
+
+aas_settings_t aassettings;
+
+//#define AAS_MOVE_DEBUG
+
+//===========================================================================
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+int AAS_DropToFloor(vec3_t origin, vec3_t mins, vec3_t maxs)
+{
+ vec3_t end;
+ bsp_trace_t trace;
+
+ VectorCopy(origin, end);
+ end[2] -= 100;
+ trace = AAS_Trace(origin, mins, maxs, end, 0, CONTENTS_SOLID);
+ if (trace.startsolid) return qfalse;
+ VectorCopy(trace.endpos, origin);
+ return qtrue;
+} //end of the function AAS_DropToFloor
+//===========================================================================
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+void AAS_InitSettings(void)
+{
+ aassettings.phys_gravitydirection[0] = 0;
+ aassettings.phys_gravitydirection[1] = 0;
+ aassettings.phys_gravitydirection[2] = -1;
+ aassettings.phys_friction = LibVarValue("phys_friction", "6");
+ aassettings.phys_stopspeed = LibVarValue("phys_stopspeed", "100");
+ aassettings.phys_gravity = LibVarValue("phys_gravity", "800");
+ aassettings.phys_waterfriction = LibVarValue("phys_waterfriction", "1");
+ aassettings.phys_watergravity = LibVarValue("phys_watergravity", "400");
+ aassettings.phys_maxvelocity = LibVarValue("phys_maxvelocity", "320");
+ aassettings.phys_maxwalkvelocity = LibVarValue("phys_maxwalkvelocity", "320");
+ aassettings.phys_maxcrouchvelocity = LibVarValue("phys_maxcrouchvelocity", "100");
+ aassettings.phys_maxswimvelocity = LibVarValue("phys_maxswimvelocity", "150");
+ aassettings.phys_walkaccelerate = LibVarValue("phys_walkaccelerate", "10");
+ aassettings.phys_airaccelerate = LibVarValue("phys_airaccelerate", "1");
+ aassettings.phys_swimaccelerate = LibVarValue("phys_swimaccelerate", "4");
+ aassettings.phys_maxstep = LibVarValue("phys_maxstep", "19");
+ aassettings.phys_maxsteepness = LibVarValue("phys_maxsteepness", "0.7");
+ aassettings.phys_maxwaterjump = LibVarValue("phys_maxwaterjump", "18");
+ aassettings.phys_maxbarrier = LibVarValue("phys_maxbarrier", "33");
+ aassettings.phys_jumpvel = LibVarValue("phys_jumpvel", "270");
+ aassettings.phys_falldelta5 = LibVarValue("phys_falldelta5", "40");
+ aassettings.phys_falldelta10 = LibVarValue("phys_falldelta10", "60");
+ aassettings.rs_waterjump = LibVarValue("rs_waterjump", "400");
+ aassettings.rs_teleport = LibVarValue("rs_teleport", "50");
+ aassettings.rs_barrierjump = LibVarValue("rs_barrierjump", "100");
+ aassettings.rs_startcrouch = LibVarValue("rs_startcrouch", "300");
+ aassettings.rs_startgrapple = LibVarValue("rs_startgrapple", "500");
+ aassettings.rs_startwalkoffledge = LibVarValue("rs_startwalkoffledge", "70");
+ aassettings.rs_startjump = LibVarValue("rs_startjump", "300");
+ aassettings.rs_rocketjump = LibVarValue("rs_rocketjump", "500");
+ aassettings.rs_bfgjump = LibVarValue("rs_bfgjump", "500");
+ aassettings.rs_jumppad = LibVarValue("rs_jumppad", "250");
+ aassettings.rs_aircontrolledjumppad = LibVarValue("rs_aircontrolledjumppad", "300");
+ aassettings.rs_funcbob = LibVarValue("rs_funcbob", "300");
+ aassettings.rs_startelevator = LibVarValue("rs_startelevator", "50");
+ aassettings.rs_falldamage5 = LibVarValue("rs_falldamage5", "300");
+ aassettings.rs_falldamage10 = LibVarValue("rs_falldamage10", "500");
+ aassettings.rs_maxfallheight = LibVarValue("rs_maxfallheight", "0");
+ aassettings.rs_maxjumpfallheight = LibVarValue("rs_maxjumpfallheight", "450");
+} //end of the function AAS_InitSettings
+//===========================================================================
+// returns qtrue if the bot is against a ladder
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+int AAS_AgainstLadder(vec3_t origin)
+{
+ int areanum, i, facenum, side;
+ vec3_t org;
+ aas_plane_t *plane;
+ aas_face_t *face;
+ aas_area_t *area;
+
+ VectorCopy(origin, org);
+ areanum = AAS_PointAreaNum(org);
+ if (!areanum)
+ {
+ org[0] += 1;
+ areanum = AAS_PointAreaNum(org);
+ if (!areanum)
+ {
+ org[1] += 1;
+ areanum = AAS_PointAreaNum(org);
+ if (!areanum)
+ {
+ org[0] -= 2;
+ areanum = AAS_PointAreaNum(org);
+ if (!areanum)
+ {
+ org[1] -= 2;
+ areanum = AAS_PointAreaNum(org);
+ } //end if
+ } //end if
+ } //end if
+ } //end if
+ //if in solid... wrrr shouldn't happen
+ if (!areanum) return qfalse;
+ //if not in a ladder area
+ if (!(aasworld.areasettings[areanum].areaflags & AREA_LADDER)) return qfalse;
+ //if a crouch only area
+ if (!(aasworld.areasettings[areanum].presencetype & PRESENCE_NORMAL)) return qfalse;
+ //
+ area = &aasworld.areas[areanum];
+ for (i = 0; i < area->numfaces; i++)
+ {
+ facenum = aasworld.faceindex[area->firstface + i];
+ side = facenum < 0;
+ face = &aasworld.faces[abs(facenum)];
+ //if the face isn't a ladder face
+ if (!(face->faceflags & FACE_LADDER)) continue;
+ //get the plane the face is in
+ plane = &aasworld.planes[face->planenum ^ side];
+ //if the origin is pretty close to the plane
+ if (abs(DotProduct(plane->normal, origin) - plane->dist) < 3)
+ {
+ if (AAS_PointInsideFace(abs(facenum), origin, 0.1f)) return qtrue;
+ } //end if
+ } //end for
+ return qfalse;
+} //end of the function AAS_AgainstLadder
+//===========================================================================
+// returns qtrue if the bot is on the ground
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+int AAS_OnGround(vec3_t origin, int presencetype, int passent)
+{
+ aas_trace_t trace;
+ vec3_t end, up = {0, 0, 1};
+ aas_plane_t *plane;
+
+ VectorCopy(origin, end);
+ end[2] -= 10;
+
+ trace = AAS_TraceClientBBox(origin, end, presencetype, passent);
+
+ //if in solid
+ if (trace.startsolid) return qfalse;
+ //if nothing hit at all
+ if (trace.fraction >= 1.0) return qfalse;
+ //if too far from the hit plane
+ if (origin[2] - trace.endpos[2] > 10) return qfalse;
+ //check if the plane isn't too steep
+ plane = AAS_PlaneFromNum(trace.planenum);
+ if (DotProduct(plane->normal, up) < aassettings.phys_maxsteepness) return qfalse;
+ //the bot is on the ground
+ return qtrue;
+} //end of the function AAS_OnGround
+//===========================================================================
+// returns qtrue if a bot at the given position is swimming
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+int AAS_Swimming(vec3_t origin)
+{
+ vec3_t testorg;
+
+ VectorCopy(origin, testorg);
+ testorg[2] -= 2;
+ if (AAS_PointContents(testorg) & (CONTENTS_LAVA|CONTENTS_SLIME|CONTENTS_WATER)) return qtrue;
+ return qfalse;
+} //end of the function AAS_Swimming
+//===========================================================================
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+static vec3_t VEC_UP = {0, -1, 0};
+static vec3_t MOVEDIR_UP = {0, 0, 1};
+static vec3_t VEC_DOWN = {0, -2, 0};
+static vec3_t MOVEDIR_DOWN = {0, 0, -1};
+
+void AAS_SetMovedir(vec3_t angles, vec3_t movedir)
+{
+ if (VectorCompare(angles, VEC_UP))
+ {
+ VectorCopy(MOVEDIR_UP, movedir);
+ } //end if
+ else if (VectorCompare(angles, VEC_DOWN))
+ {
+ VectorCopy(MOVEDIR_DOWN, movedir);
+ } //end else if
+ else
+ {
+ AngleVectors(angles, movedir, NULL, NULL);
+ } //end else
+} //end of the function AAS_SetMovedir
+//===========================================================================
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+void AAS_JumpReachRunStart(aas_reachability_t *reach, vec3_t runstart)
+{
+ vec3_t hordir, start, cmdmove;
+ aas_clientmove_t move;
+
+ //
+ hordir[0] = reach->start[0] - reach->end[0];
+ hordir[1] = reach->start[1] - reach->end[1];
+ hordir[2] = 0;
+ VectorNormalize(hordir);
+ //start point
+ VectorCopy(reach->start, start);
+ start[2] += 1;
+ //get command movement
+ VectorScale(hordir, 400, cmdmove);
+ //
+ AAS_PredictClientMovement(&move, -1, start, PRESENCE_NORMAL, qtrue,
+ vec3_origin, cmdmove, 1, 2, 0.1f,
+ SE_ENTERWATER|SE_ENTERSLIME|SE_ENTERLAVA|
+ SE_HITGROUNDDAMAGE|SE_GAP, 0, qfalse);
+ VectorCopy(move.endpos, runstart);
+ //don't enter slime or lava and don't fall from too high
+ if (move.stopevent & (SE_ENTERSLIME|SE_ENTERLAVA|SE_HITGROUNDDAMAGE))
+ {
+ VectorCopy(start, runstart);
+ } //end if
+} //end of the function AAS_JumpReachRunStart
+//===========================================================================
+// returns the Z velocity when rocket jumping at the origin
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+float AAS_WeaponJumpZVelocity(vec3_t origin, float radiusdamage)
+{
+ vec3_t kvel, v, start, end, forward, right, viewangles, dir;
+ float mass, knockback, points;
+ vec3_t rocketoffset = {8, 8, -8};
+ vec3_t botmins = {-16, -16, -24};
+ vec3_t botmaxs = {16, 16, 32};
+ bsp_trace_t bsptrace;
+
+ //look down (90 degrees)
+ viewangles[PITCH] = 90;
+ viewangles[YAW] = 0;
+ viewangles[ROLL] = 0;
+ //get the start point shooting from
+ VectorCopy(origin, start);
+ start[2] += 8; //view offset Z
+ AngleVectors(viewangles, forward, right, NULL);
+ start[0] += forward[0] * rocketoffset[0] + right[0] * rocketoffset[1];
+ start[1] += forward[1] * rocketoffset[0] + right[1] * rocketoffset[1];
+ start[2] += forward[2] * rocketoffset[0] + right[2] * rocketoffset[1] + rocketoffset[2];
+ //end point of the trace
+ VectorMA(start, 500, forward, end);
+ //trace a line to get the impact point
+ bsptrace = AAS_Trace(start, NULL, NULL, end, 1, CONTENTS_SOLID);
+ //calculate the damage the bot will get from the rocket impact
+ VectorAdd(botmins, botmaxs, v);
+ VectorMA(origin, 0.5, v, v);
+ VectorSubtract(bsptrace.endpos, v, v);
+ //
+ points = radiusdamage - 0.5 * VectorLength(v);
+ if (points < 0) points = 0;
+ //the owner of the rocket gets half the damage
+ points *= 0.5;
+ //mass of the bot (p_client.c: PutClientInServer)
+ mass = 200;
+ //knockback is the same as the damage points
+ knockback = points;
+ //direction of the damage (from trace.endpos to bot origin)
+ VectorSubtract(origin, bsptrace.endpos, dir);
+ VectorNormalize(dir);
+ //damage velocity
+ VectorScale(dir, 1600.0 * (float)knockback / mass, kvel); //the rocket jump hack...
+ //rocket impact velocity + jump velocity
+ return kvel[2] + aassettings.phys_jumpvel;
+} //end of the function AAS_WeaponJumpZVelocity
+//===========================================================================
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+float AAS_RocketJumpZVelocity(vec3_t origin)
+{
+ //rocket radius damage is 120 (p_weapon.c: Weapon_RocketLauncher_Fire)
+ return AAS_WeaponJumpZVelocity(origin, 120);
+} //end of the function AAS_RocketJumpZVelocity
+//===========================================================================
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+float AAS_BFGJumpZVelocity(vec3_t origin)
+{
+ //bfg radius damage is 1000 (p_weapon.c: weapon_bfg_fire)
+ return AAS_WeaponJumpZVelocity(origin, 120);
+} //end of the function AAS_BFGJumpZVelocity
+//===========================================================================
+// applies ground friction to the given velocity
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+void AAS_Accelerate(vec3_t velocity, float frametime, vec3_t wishdir, float wishspeed, float accel)
+{
+ // q2 style
+ int i;
+ float addspeed, accelspeed, currentspeed;
+
+ currentspeed = DotProduct(velocity, wishdir);
+ addspeed = wishspeed - currentspeed;
+ if (addspeed <= 0) {
+ return;
+ }
+ accelspeed = accel*frametime*wishspeed;
+ if (accelspeed > addspeed) {
+ accelspeed = addspeed;
+ }
+
+ for (i=0 ; i<3 ; i++) {
+ velocity[i] += accelspeed*wishdir[i];
+ }
+} //end of the function AAS_Accelerate
+//===========================================================================
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+void AAS_AirControl(vec3_t start, vec3_t end, vec3_t velocity, vec3_t cmdmove)
+{
+ vec3_t dir;
+
+ VectorSubtract(end, start, dir);
+} //end of the function AAS_AirControl
+//===========================================================================
+// applies ground friction to the given velocity
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+void AAS_ApplyFriction(vec3_t vel, float friction, float stopspeed,
+ float frametime)
+{
+ float speed, control, newspeed;
+
+ //horizontal speed
+ speed = sqrt(vel[0] * vel[0] + vel[1] * vel[1]);
+ if (speed)
+ {
+ control = speed < stopspeed ? stopspeed : speed;
+ newspeed = speed - frametime * control * friction;
+ if (newspeed < 0) newspeed = 0;
+ newspeed /= speed;
+ vel[0] *= newspeed;
+ vel[1] *= newspeed;
+ } //end if
+} //end of the function AAS_ApplyFriction
+//===========================================================================
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+int AAS_ClipToBBox(aas_trace_t *trace, vec3_t start, vec3_t end, int presencetype, vec3_t mins, vec3_t maxs)
+{
+ int i, j, side;
+ float front, back, frac, planedist;
+ vec3_t bboxmins, bboxmaxs, absmins, absmaxs, dir, mid;
+
+ AAS_PresenceTypeBoundingBox(presencetype, bboxmins, bboxmaxs);
+ VectorSubtract(mins, bboxmaxs, absmins);
+ VectorSubtract(maxs, bboxmins, absmaxs);
+ //
+ VectorCopy(end, trace->endpos);
+ trace->fraction = 1;
+ for (i = 0; i < 3; i++)
+ {
+ if (start[i] < absmins[i] && end[i] < absmins[i]) return qfalse;
+ if (start[i] > absmaxs[i] && end[i] > absmaxs[i]) return qfalse;
+ } //end for
+ //check bounding box collision
+ VectorSubtract(end, start, dir);
+ frac = 1;
+ for (i = 0; i < 3; i++)
+ {
+ //get plane to test collision with for the current axis direction
+ if (dir[i] > 0) planedist = absmins[i];
+ else planedist = absmaxs[i];
+ //calculate collision fraction
+ front = start[i] - planedist;
+ back = end[i] - planedist;
+ frac = front / (front-back);
+ //check if between bounding planes of next axis
+ side = i + 1;
+ if (side > 2) side = 0;
+ mid[side] = start[side] + dir[side] * frac;
+ if (mid[side] > absmins[side] && mid[side] < absmaxs[side])
+ {
+ //check if between bounding planes of next axis
+ side++;
+ if (side > 2) side = 0;
+ mid[side] = start[side] + dir[side] * frac;
+ if (mid[side] > absmins[side] && mid[side] < absmaxs[side])
+ {
+ mid[i] = planedist;
+ break;
+ } //end if
+ } //end if
+ } //end for
+ //if there was a collision
+ if (i != 3)
+ {
+ trace->startsolid = qfalse;
+ trace->fraction = frac;
+ trace->ent = 0;
+ trace->planenum = 0;
+ trace->area = 0;
+ trace->lastarea = 0;
+ //trace endpos
+ for (j = 0; j < 3; j++) trace->endpos[j] = start[j] + dir[j] * frac;
+ return qtrue;
+ } //end if
+ return qfalse;
+} //end of the function AAS_ClipToBBox
+//===========================================================================
+// 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_ClientMovementPrediction(struct aas_clientmove_s *move,
+ int entnum, vec3_t origin,
+ int presencetype, int onground,
+ vec3_t velocity, vec3_t cmdmove,
+ int cmdframes,
+ int maxframes, float frametime,
+ int stopevent, int stopareanum,
+ vec3_t mins, vec3_t 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 n, i, j, pc, step, swimming, ax, crouch, event, jump_frame, areanum;
+ int areas[20], numareas;
+ 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;
+
+ 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;
+ //
+ Com_Memset(move, 0, sizeof(aas_clientmove_t));
+ Com_Memset(&trace, 0, sizeof(aas_trace_t));
+ //start at the current origin
+ VectorCopy(origin, org);
+ org[2] += 0.25;
+ //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[2] = frame_test_vel[2] - (gravity * 0.1 * 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);
+ } //end if
+ crouch = qfalse;
+ //apply command movement
+ if (n < cmdframes)
+ {
+ ax = 0;
+ maxvel = phys_maxwalkvelocity;
+ accelerate = phys_airaccelerate;
+ VectorCopy(cmdmove, wishdir);
+ if (onground)
+ {
+ if (cmdmove[2] < -300)
+ {
+ crouch = qtrue;
+ maxvel = phys_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] = phys_jumpvel - (gravity * 0.1 * frametime) + 5;
+ jump_frame = n;
+ //jumping so air accelerate
+ accelerate = phys_airaccelerate;
+ } //end if
+ else
+ {
+ accelerate = phys_walkaccelerate;
+ } //end else
+ ax = 2;
+ } //end if
+ if (swimming)
+ {
+ maxvel = phys_maxswimvelocity;
+ accelerate = phys_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 > 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;
+ } //end for
+ */
+ } //end if
+ 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
+ //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);
+ } //end if
+//#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/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;
+ } //end if
+ } //end if
+ //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/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;
+ } //end if
+ } //end if
+ 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/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;
+ } //end if
+ } //end if
+ 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/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;
+ } //end if
+ } //end if
+ } //end for
+ } //end if
+ //
+ 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/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;
+ } //end if
+ } //end if
+ //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
+ plane = AAS_PlaneFromNum(trace.planenum);
+ //
+ if (stopevent & SE_HITGROUNDAREA)
+ {
+ if (DotProduct(plane->normal, up) > phys_maxsteepness)
+ {
+ VectorCopy(org, start);
+ start[2] += 0.5;
+ if (AAS_PointAreaNum(start) == stopareanum)
+ {
+ VectorCopy(start, move->endpos);
+ move->endarea = stopareanum;
+ VectorScale(frame_test_vel, 1/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;
+ } //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] += 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[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);
+ //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;
+ } //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);
+ 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;
+ } //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);
+ move->endarea = areanum;
+ VectorScale(frame_test_vel, 1/frametime, move->velocity);
+ move->stopevent = event & stopevent;
+ move->presencetype = presencetype;
+ move->endcontents = pc;
+ move->time = n * frametime;
+ move->frames = n;
+ return qtrue;
+ } //end if
+ } //end if
+ //
+ 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/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;
+ } //end if
+ } //end if
+ 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;
+ } //end else if
+ else if (stopevent & SE_GAP)
+ {
+ aas_trace_t gaptrace;
+
+ VectorCopy(org, start);
+ VectorCopy(start, end);
+ end[2] -= 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[2] < org[2] - aassettings.phys_maxstep - 1)
+ {
+ if (!(AAS_PointContents(end) & CONTENTS_WATER))
+ {
+ VectorCopy(lastorg, move->endpos);
+ move->endarea = AAS_PointAreaNum(lastorg);
+ VectorScale(frame_test_vel, 1/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;
+ } //end if
+ } //end if
+ } //end if
+ } //end else if
+ } //end for
+ //
+ VectorCopy(org, move->endpos);
+ move->endarea = AAS_PointAreaNum(org);
+ VectorScale(frame_test_vel, 1/frametime, move->velocity);
+ move->stopevent = SE_NONE;
+ move->presencetype = presencetype;
+ move->endcontents = 0;
+ move->time = n * frametime;
+ move->frames = n;
+ //
+ return qtrue;
+} //end of the function AAS_ClientMovementPrediction
+//===========================================================================
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+int AAS_PredictClientMovement(struct aas_clientmove_s *move,
+ int entnum, vec3_t origin,
+ int presencetype, int onground,
+ vec3_t velocity, vec3_t cmdmove,
+ int cmdframes,
+ int maxframes, float frametime,
+ int stopevent, int stopareanum, int visualize)
+{
+ vec3_t mins, maxs;
+ return AAS_ClientMovementPrediction(move, entnum, origin, presencetype, onground,
+ velocity, cmdmove, cmdframes, maxframes,
+ frametime, stopevent, stopareanum,
+ mins, maxs, visualize);
+} //end of the function AAS_PredictClientMovement
+//===========================================================================
+//
+// Parameter: -
+// Returns: -
+// Changes Globals: -
+//===========================================================================
+int AAS_ClientMovementHitBBox(struct aas_clientmove_s *move,
+ int entnum, vec3_t origin,
+ int presencetype, int onground,
+ vec3_t velocity, vec3_t cmdmove,
+ int cmdframes,
+ int maxframes, float frametime,
+ vec3_t mins, vec3_t maxs, int visualize)
+{
+ return AAS_ClientMovementPrediction(move, entnum, origin, presencetype, onground,
+ velocity, cmdmove, cmdframes, maxframes,
+ frametime, SE_HITBOUNDINGBOX, 0,
+ mins, maxs, visualize);
+} //end of the function AAS_ClientMovementHitBBox
+//===========================================================================
+//
+// 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, 0.1f, 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 phys_gravity, phys_maxvelocity;
+ float maxjump, height2fall, t, top;
+ vec3_t dir;
+
+ phys_gravity = aassettings.phys_gravity;
+ phys_maxvelocity = aassettings.phys_maxvelocity;
+
+ //maximum height a player can jump with the given initial z velocity
+ maxjump = 0.5 * phys_gravity * (zvel / phys_gravity) * (zvel / phys_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 = phys_maxvelocity;
+ return 0;
+ } //end if
+ //time a player takes to fall the height
+ t = sqrt(height2fall / (0.5 * phys_gravity));
+ //direction from start to end
+ VectorSubtract(end, start, dir);
+ //
+ if ( (t + zvel / phys_gravity) == 0.0f ) {
+ *velocity = phys_maxvelocity;
+ return 0;
+ }
+ //calculate horizontal speed
+ *velocity = sqrt(dir[0]*dir[0] + dir[1]*dir[1]) / (t + zvel / phys_gravity);
+ //the horizontal speed must be lower than the max speed
+ if (*velocity > phys_maxvelocity)
+ {
+ *velocity = phys_maxvelocity;
+ return 0;
+ } //end if
+ return 1;
+} //end of the function AAS_HorizontalVelocityForJump