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6c006a5fbd
I think these were the last two still missing it, all remaining uses of the global level variable are in code that doesn't get run through a level tick and are supposed to access the primary level.
601 lines
15 KiB
C++
601 lines
15 KiB
C++
/*
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**
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**
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**---------------------------------------------------------------------------
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** Copyright 1999 Martin Colberg
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** Copyright 1999-2016 Randy Heit
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** Copyright 2005-2016 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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/*******************************
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* B_spawn.c *
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* Description: *
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* various procedures that the *
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* bot need to work *
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*******************************/
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#include <stdlib.h>
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#include "doomtype.h"
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#include "doomdef.h"
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#include "doomstat.h"
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#include "p_local.h"
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#include "p_maputl.h"
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#include "b_bot.h"
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#include "g_game.h"
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#include "d_event.h"
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#include "d_player.h"
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#include "p_spec.h"
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#include "p_checkposition.h"
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#include "actorinlines.h"
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static FRandom pr_botdofire ("BotDoFire");
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//Checks TRUE reachability from bot to a looker.
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bool DBot::Reachable (AActor *rtarget)
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{
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if (player->mo == rtarget)
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return false;
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if ((rtarget->Sector->ceilingplane.ZatPoint (rtarget) -
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rtarget->Sector->floorplane.ZatPoint (rtarget))
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< player->mo->Height) //Where rtarget is, player->mo can't be.
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return false;
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sector_t *last_s = player->mo->Sector;
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double last_z = last_s->floorplane.ZatPoint (player->mo);
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double estimated_dist = player->mo->Distance2D(rtarget);
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bool reachable = true;
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FPathTraverse it(Level, player->mo->X()+player->mo->Vel.X, player->mo->Y()+player->mo->Vel.Y, rtarget->X(), rtarget->Y(), PT_ADDLINES|PT_ADDTHINGS);
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intercept_t *in;
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while ((in = it.Next()))
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{
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double hitx, hity;
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double frac;
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line_t *line;
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AActor *thing;
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double dist;
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sector_t *s;
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frac = in->frac - 4 /MAX_TRAVERSE_DIST;
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dist = frac * MAX_TRAVERSE_DIST;
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hitx = it.Trace().x + player->mo->Vel.X * frac;
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hity = it.Trace().y + player->mo->Vel.Y * frac;
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if (in->isaline)
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{
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line = in->d.line;
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if (!(line->flags & ML_TWOSIDED) || (line->flags & (ML_BLOCKING|ML_BLOCKEVERYTHING|ML_BLOCK_PLAYERS)))
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{
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return false; //Cannot continue.
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}
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else
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{
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//Determine if going to use backsector/frontsector.
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s = (line->backsector == last_s) ? line->frontsector : line->backsector;
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double ceilingheight = s->ceilingplane.ZatPoint (hitx, hity);
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double floorheight = s->floorplane.ZatPoint (hitx, hity);
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if (!Level->BotInfo.IsDangerous (s) && //Any nukage/lava?
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(floorheight <= (last_z+MAXMOVEHEIGHT)
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&& ((ceilingheight == floorheight && line->special)
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|| (ceilingheight - floorheight) >= player->mo->Height))) //Does it fit?
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{
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last_z = floorheight;
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last_s = s;
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continue;
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}
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else
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{
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return false;
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}
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}
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}
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if (dist > estimated_dist)
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{
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return true;
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}
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thing = in->d.thing;
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if (thing == player->mo) //Can't reach self in this case.
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continue;
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if (thing == rtarget && (rtarget->Sector->floorplane.ZatPoint (rtarget) <= (last_z+MAXMOVEHEIGHT)))
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{
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return true;
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}
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reachable = false;
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}
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return reachable;
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}
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//doesnt check LOS, checks visibility with a set view angle.
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//B_Checksight checks LOS (straight line)
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//----------------------------------------------------------------------
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//Check if mo1 has free line to mo2
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//and if mo2 is within mo1 viewangle (vangle) given with normal degrees.
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//if these conditions are true, the function returns true.
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//GOOD TO KNOW is that the player's view angle
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//in doom is 90 degrees infront.
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bool DBot::Check_LOS (AActor *to, DAngle vangle)
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{
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if (!P_CheckSight (player->mo, to, SF_SEEPASTBLOCKEVERYTHING))
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return false; // out of sight
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if (vangle >= 360.)
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return true;
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if (vangle == 0)
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return false; //Looker seems to be blind.
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return absangle(player->mo->AngleTo(to), player->mo->Angles.Yaw) <= (vangle/2);
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}
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//-------------------------------------
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//Bot_Dofire()
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//-------------------------------------
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//The bot will check if it's time to fire
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//and do so if that is the case.
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void DBot::Dofire (ticcmd_t *cmd)
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{
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bool no_fire; //used to prevent bot from pumping rockets into nearby walls.
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int aiming_penalty=0; //For shooting at shading target, if screen is red, MAKEME: When screen red.
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int aiming_value; //The final aiming value.
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double Dist;
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DAngle an;
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DAngle m;
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double fm;
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if (!enemy || !(enemy->flags & MF_SHOOTABLE) || enemy->health <= 0)
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return;
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if (player->ReadyWeapon == NULL)
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return;
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if (player->damagecount > skill.isp)
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{
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first_shot = true;
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return;
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}
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//Reaction skill thing.
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if (first_shot &&
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!(GetBotInfo(player->ReadyWeapon).flags & BIF_BOT_REACTION_SKILL_THING))
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{
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t_react = (100-skill.reaction+1)/((pr_botdofire()%3)+3);
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}
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first_shot = false;
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if (t_react)
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return;
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//MAKEME: Decrease the rocket suicides even more.
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no_fire = true;
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//Distance to enemy.
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Dist = player->mo->Distance2D(enemy, player->mo->Vel.X - enemy->Vel.X, player->mo->Vel.Y - enemy->Vel.Y);
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//FIRE EACH TYPE OF WEAPON DIFFERENT: Here should all the different weapons go.
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if (GetBotInfo(player->ReadyWeapon).MoveCombatDist == 0)
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{
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//*4 is for atmosphere, the chainsaws sounding and all..
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no_fire = (Dist > DEFMELEERANGE*4);
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}
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else if (GetBotInfo(player->ReadyWeapon).flags & BIF_BOT_BFG)
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{
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//MAKEME: This should be smarter.
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if ((pr_botdofire()%200)<=skill.reaction)
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if(Check_LOS(enemy, SHOOTFOV))
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no_fire = false;
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}
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else if (GetBotInfo(player->ReadyWeapon).projectileType != NULL)
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{
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if (GetBotInfo(player->ReadyWeapon).flags & BIF_BOT_EXPLOSIVE)
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{
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//Special rules for RL
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an = FireRox (enemy, cmd);
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if(an != 0)
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{
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Angle = an;
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//have to be somewhat precise. to avoid suicide.
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if (absangle(an, player->mo->Angles.Yaw) < 12.)
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{
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t_rocket = 9;
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no_fire = false;
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}
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}
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}
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// prediction aiming
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Dist = player->mo->Distance2D(enemy);
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fm = Dist / GetDefaultByType (GetBotInfo(player->ReadyWeapon).projectileType)->Speed;
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Level->BotInfo.SetBodyAt(Level, enemy->Pos() + enemy->Vel.XY() * fm * 2, 1);
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Angle = player->mo->AngleTo(Level->BotInfo.body1);
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if (Check_LOS (enemy, SHOOTFOV))
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no_fire = false;
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}
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else
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{
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//Other weapons, mostly instant hit stuff.
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Angle = player->mo->AngleTo(enemy);
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aiming_penalty = 0;
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if (enemy->flags & MF_SHADOW)
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aiming_penalty += (pr_botdofire()%25)+10;
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if (enemy->Sector->lightlevel<WHATS_DARK/* && !(player->powers & PW_INFRARED)*/)
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aiming_penalty += pr_botdofire()%40;//Dark
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if (player->damagecount)
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aiming_penalty += player->damagecount; //Blood in face makes it hard to aim
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aiming_value = skill.aiming - aiming_penalty;
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if (aiming_value <= 0)
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aiming_value = 1;
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m = ((SHOOTFOV/2)-(aiming_value*SHOOTFOV/200)); //Higher skill is more accurate
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if (m <= 0)
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m = 1.; //Prevents lock.
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if (m != 0)
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{
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if (increase)
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Angle += m;
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else
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Angle -= m;
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}
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if (absangle(Angle, player->mo->Angles.Yaw) < 4.)
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{
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increase = !increase;
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}
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if (Check_LOS (enemy, (SHOOTFOV/2)))
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no_fire = false;
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}
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if (!no_fire) //If going to fire weapon
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{
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cmd->ucmd.buttons |= BT_ATTACK;
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}
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//Prevents bot from jerking, when firing automatic things with low skill.
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}
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bool FCajunMaster::IsLeader (player_t *player)
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{
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for (int count = 0; count < MAXPLAYERS; count++)
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{
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if (players[count].Bot != NULL
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&& players[count].Bot->mate == player->mo)
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{
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return true;
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}
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}
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return false;
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}
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extern int BotWTG;
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void FCajunMaster::BotTick(AActor *mo)
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{
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BotSupportCycles.Clock();
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m_Thinking = true;
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for (int i = 0; i < MAXPLAYERS; i++)
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{
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if (!playeringame[i] || players[i].Bot == NULL)
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continue;
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if (mo->flags3 & MF3_ISMONSTER)
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{
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if (mo->health > 0
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&& !players[i].Bot->enemy
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&& mo->player ? !mo->IsTeammate(players[i].mo) : true
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&& mo->Distance2D(players[i].mo) < MAX_MONSTER_TARGET_DIST
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&& P_CheckSight(players[i].mo, mo, SF_SEEPASTBLOCKEVERYTHING))
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{ //Probably a monster, so go kill it.
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players[i].Bot->enemy = mo;
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}
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}
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else if (mo->flags & MF_SPECIAL)
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{ //Item pickup time
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//clock (BotWTG);
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players[i].Bot->WhatToGet(mo);
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//unclock (BotWTG);
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BotWTG++;
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}
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else if (mo->flags & MF_MISSILE)
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{
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if (!players[i].Bot->missile && (mo->flags3 & MF3_WARNBOT))
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{ //warn for incoming missiles.
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if (mo->target != players[i].mo && players[i].Bot->Check_LOS(mo, 90.))
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players[i].Bot->missile = mo;
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}
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}
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}
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m_Thinking = false;
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BotSupportCycles.Unclock();
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}
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//This function is called every
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//tick (for each bot) to set
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//the mate (teammate coop mate).
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AActor *DBot::Choose_Mate ()
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{
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int count;
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double closest_dist, test;
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AActor *target;
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//is mate alive?
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if (mate)
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{
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if (mate->health <= 0)
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mate = nullptr;
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else
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last_mate = mate;
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}
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if (mate) //Still is..
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return mate;
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//Check old_mates status.
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if (last_mate)
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if (last_mate->health <= 0)
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last_mate = nullptr;
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target = NULL;
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closest_dist = FLT_MAX;
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//Check for player friends
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for (count = 0; count < MAXPLAYERS; count++)
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{
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player_t *client = &players[count];
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if (playeringame[count]
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&& client->mo
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&& player->mo != client->mo
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&& (player->mo->IsTeammate (client->mo) || !deathmatch)
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&& client->mo->health > 0
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&& ((player->mo->health/2) <= client->mo->health || !deathmatch)
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&& !Level->BotInfo.IsLeader(client)) //taken?
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{
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if (P_CheckSight (player->mo, client->mo, SF_IGNOREVISIBILITY))
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{
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test = client->mo->Distance2D(player->mo);
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if (test < closest_dist)
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{
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closest_dist = test;
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target = client->mo;
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}
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}
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}
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}
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/*
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//Make a introducing to mate.
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if(target && target!=last_mate)
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{
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if((P_Random()%(200*Level->BotInfo.botnum))<3)
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{
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chat = c_teamup;
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if(target->bot)
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strcpy(c_target, botsingame[target->bot_id]);
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else if(target->player)
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strcpy(c_target, player_names[target->play_id]);
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}
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}
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*/
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return target;
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}
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//MAKEME: Make this a smart decision
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AActor *DBot::Find_enemy ()
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{
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int count;
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double closest_dist, temp; //To target.
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AActor *target;
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DAngle vangle;
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if (!deathmatch)
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{ // [RH] Take advantage of the Heretic/Hexen code to be a little smarter
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return P_RoughMonsterSearch (player->mo, 20);
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}
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//Note: It's hard to ambush a bot who is not alone
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if (allround || mate)
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vangle = 360.;
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else
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vangle = ENEMY_SCAN_FOV;
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allround = false;
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target = NULL;
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closest_dist = FLT_MAX;
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for (count = 0; count < MAXPLAYERS; count++)
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{
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player_t *client = &players[count];
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if (playeringame[count]
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&& !player->mo->IsTeammate (client->mo)
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&& client->mo->health > 0
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&& player->mo != client->mo)
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{
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if (Check_LOS (client->mo, vangle)) //Here's a strange one, when bot is standing still, the P_CheckSight within Check_LOS almost always returns false. tought it should be the same checksight as below but.. (below works) something must be fuckin wierd screded up.
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//if(P_CheckSight(player->mo, players[count].mo))
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{
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temp = client->mo->Distance2D(player->mo);
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//Too dark?
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if (temp > DARK_DIST &&
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client->mo->Sector->lightlevel < WHATS_DARK /*&&
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player->Powers & PW_INFRARED*/)
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continue;
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if (temp < closest_dist)
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{
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closest_dist = temp;
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target = client->mo;
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}
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}
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}
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}
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return target;
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}
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//Creates a temporary mobj (invisible) at the given location.
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void FCajunMaster::SetBodyAt (FLevelLocals *Level, const DVector3 &pos, int hostnum)
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{
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if (hostnum == 1)
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{
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if (body1)
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{
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body1->SetOrigin (pos, false);
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}
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else
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{
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body1 = Spawn (Level, "CajunBodyNode", pos, NO_REPLACE);
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}
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}
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else if (hostnum == 2)
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{
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if (body2)
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{
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body2->SetOrigin (pos, false);
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}
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else
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{
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body2 = Spawn (Level, "CajunBodyNode", pos, NO_REPLACE);
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}
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}
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}
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//------------------------------------------
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// FireRox()
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//
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//Returns NULL if shouldn't fire
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//else an angle (in degrees) are given
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//This function assumes actor->player->angle
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//has been set an is the main aiming angle.
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//Emulates missile travel. Returns distance travelled.
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double FCajunMaster::FakeFire (AActor *source, AActor *dest, ticcmd_t *cmd)
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{
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AActor *th = Spawn (source->Level, "CajunTrace", source->PosPlusZ(4*8.), NO_REPLACE);
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th->target = source; // where it came from
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th->Vel = source->Vec3To(dest).Resized(th->Speed);
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double dist = 0;
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while (dist < SAFE_SELF_MISDIST)
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{
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dist += th->Speed;
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th->Move(th->Vel);
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if (!CleanAhead (th, th->X(), th->Y(), cmd))
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break;
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}
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th->Destroy ();
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|
return dist;
|
|
}
|
|
|
|
DAngle DBot::FireRox (AActor *enemy, ticcmd_t *cmd)
|
|
{
|
|
double dist;
|
|
AActor *actor;
|
|
double m;
|
|
|
|
Level->BotInfo.SetBodyAt(Level, player->mo->PosPlusZ(player->mo->Height / 2) + player->mo->Vel.XY() * 5, 2);
|
|
|
|
actor = Level->BotInfo.body2;
|
|
|
|
dist = actor->Distance2D (enemy);
|
|
if (dist < SAFE_SELF_MISDIST)
|
|
return 0.;
|
|
//Predict.
|
|
m = ((dist+1) / GetDefaultByName("Rocket")->Speed);
|
|
|
|
Level->BotInfo.SetBodyAt(Level, DVector3((enemy->Pos() + enemy->Vel * (m + 2)), ONFLOORZ), 1);
|
|
|
|
//try the predicted location
|
|
if (P_CheckSight (actor, Level->BotInfo.body1, SF_IGNOREVISIBILITY)) //See the predicted location, so give a test missile
|
|
{
|
|
FCheckPosition tm;
|
|
if (Level->BotInfo.SafeCheckPosition (player->mo, actor->X(), actor->Y(), tm))
|
|
{
|
|
if (Level->BotInfo.FakeFire (actor, Level->BotInfo.body1, cmd) >= SAFE_SELF_MISDIST)
|
|
{
|
|
return actor->AngleTo(Level->BotInfo.body1);
|
|
}
|
|
}
|
|
}
|
|
//Try fire straight.
|
|
if (P_CheckSight (actor, enemy, 0))
|
|
{
|
|
if (Level->BotInfo.FakeFire (player->mo, enemy, cmd) >= SAFE_SELF_MISDIST)
|
|
{
|
|
return player->mo->AngleTo(enemy);
|
|
}
|
|
}
|
|
return 0.;
|
|
}
|
|
|
|
// [RH] We absolutely do not want to pick things up here. The bot code is
|
|
// executed apart from all the other simulation code, so we don't want it
|
|
// creating side-effects during gameplay.
|
|
bool FCajunMaster::SafeCheckPosition (AActor *actor, double x, double y, FCheckPosition &tm)
|
|
{
|
|
ActorFlags savedFlags = actor->flags;
|
|
actor->flags &= ~MF_PICKUP;
|
|
bool res = P_CheckPosition (actor, DVector2(x, y), tm);
|
|
actor->flags = savedFlags;
|
|
return res;
|
|
}
|
|
|
|
void FCajunMaster::StartTravel ()
|
|
{
|
|
for (int i = 0; i < MAXPLAYERS; ++i)
|
|
{
|
|
if (players[i].Bot != NULL)
|
|
{
|
|
players[i].Bot->ChangeStatNum (STAT_TRAVELLING);
|
|
}
|
|
}
|
|
}
|
|
|
|
void FCajunMaster::FinishTravel ()
|
|
{
|
|
for (int i = 0; i < MAXPLAYERS; ++i)
|
|
{
|
|
if (players[i].Bot != NULL)
|
|
{
|
|
players[i].Bot->ChangeStatNum (STAT_BOT);
|
|
}
|
|
}
|
|
}
|