1936 lines
48 KiB
C
1936 lines
48 KiB
C
// g_ai.c
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#include "g_local.h"
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bool FindTarget (edict_t *self);
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extern cvar_t *maxclients;
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bool ai_checkattack (edict_t *self, float dist);
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edict_t *medic_FindDeadMonster (edict_t *self);
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bool enemy_vis;
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bool enemy_infront;
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int enemy_range;
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float enemy_yaw;
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// SeekEnemy is used to help a monster/actor navigate to its enemy. It's
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// not by any means a complete solution - zigzag routes aren't handled at
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// all. But in many situations this is a big improvement over standard AI
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bool SeekEnemy(edict_t *self)
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{
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float angle, yaw, yaw_0;
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int i;
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trace_t tr1, tr2;
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vec3_t target, vec;
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VectorSubtract(self->enemy->s.origin,self->s.origin,vec);
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yaw_0 = vectoyaw(vec);
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yaw_0 = anglemod( (int)(yaw_0/45)*45 );
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target[2] = self->enemy->s.origin[2];
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for(i=0; i<8; i++)
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{
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if(i % 2)
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yaw = yaw_0 - (i+1)*22.5;
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else
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yaw = yaw_0 + i*22.5;
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angle = yaw * (M_PI*2 / 360);
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vec[0] = cos(angle);
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vec[1] = sin(angle);
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vec[2] = 0;
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VectorMA(self->s.origin,256.,vec,target);
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tr1 = gi.trace(self->s.origin,NULL,NULL,target,self,MASK_OPAQUE);
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tr2 = gi.trace(self->enemy->s.origin,NULL,NULL,tr1.endpos,self->enemy,MASK_OPAQUE);
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if(tr2.fraction == 1.0)
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{
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edict_t *thing;
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thing = SpawnThing();
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VectorCopy(tr1.endpos,thing->s.origin);
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thing->touch_debounce_time = level.time + 5.0;
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thing->target_ent = self;
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ED_CallSpawn(thing);
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// make it think a bit faster than normal 2 sec. so if monster
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// sees enemy enroute he'll face enemy
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thing->nextthink = level.time + 1.0;
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self->movetarget = self->goalentity = thing;
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self->monsterinfo.aiflags &= ~AI_SOUND_TARGET;
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self->monsterinfo.aiflags |= (AI_CHASE_THING | AI_SEEK_ENEMY);
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VectorSubtract(thing->s.origin,self->s.origin,vec);
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self->ideal_yaw = vectoyaw(vec);
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// wait a while before first attack
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if (!(self->monsterinfo.aiflags & AI_STAND_GROUND))
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AttackFinished (self, 1);
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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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/*
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=================
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AI_SetSightClient
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Called once each frame to set level.sight_client to the
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player to be checked for in findtarget.
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If all clients are either dead or in notarget, sight_client
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will be null.
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In coop games, sight_client will cycle between the clients.
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=================
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*/
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void AI_SetSightClient (void)
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{
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edict_t *ent;
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int start, check;
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if (level.sight_client == NULL)
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start = 1;
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else
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start = level.sight_client - g_edicts;
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check = start;
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while (1)
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{
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check++;
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if (check > game.maxclients)
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check = 1;
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ent = &g_edicts[check];
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if (ent->inuse
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&& ent->health > 0
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&& !(ent->flags & (FL_NOTARGET|FL_DISGUISED) ) )
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{
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// If player is using func_monitor, make
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// the sight_client = the fake player at the
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// monitor currently taking the player's place.
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// Do NOT do this for players using a
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// target_monitor, though... in this case
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// both player and fake player are ignored.
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if(ent->client && ent->client->camplayer)
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{
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if(ent->client->spycam)
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{
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level.sight_client = ent->client->camplayer;
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return;
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}
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}
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else
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{
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level.sight_client = ent;
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return; // got one
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}
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}
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if (check == start)
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{
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level.sight_client = NULL;
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return; // nobody to see
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}
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}
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}
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//============================================================================
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/*
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=============
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ai_move
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Move the specified distance at current facing.
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This replaces the QC functions: ai_forward, ai_back, ai_pain, and ai_painforward
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==============
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*/
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void ai_move (edict_t *self, float dist)
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{
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M_walkmove (self, self->s.angles[YAW], dist);
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}
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/*
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=============
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ai_stand
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Used for standing around and looking for players
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Distance is for slight position adjustments needed by the animations
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==============
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*/
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void ai_stand (edict_t *self, float dist)
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{
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vec3_t v;
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if (dist)
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M_walkmove (self, self->s.angles[YAW], dist);
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if(self->monsterinfo.aiflags & AI_FOLLOW_LEADER)
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{
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if(!self->enemy || !self->enemy->inuse)
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{
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self->movetarget = self->goalentity = self->monsterinfo.leader;
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self->monsterinfo.aiflags &= ~(AI_STAND_GROUND | AI_TEMP_STAND_GROUND);
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self->monsterinfo.pausetime = 0;
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}
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}
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if ( (self->monsterinfo.aiflags & AI_CHICKEN) )
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{
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if ( (level.framenum - self->monsterinfo.chicken_framenum > 200) ||
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(self->enemy && (self->enemy->last_attacked_framenum > level.framenum - 2) ) )
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{
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self->monsterinfo.aiflags &= ~(AI_CHICKEN | AI_STAND_GROUND);
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self->monsterinfo.pausetime = 0;
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if(self->enemy)
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FoundTarget(self);
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}
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}
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if (self->monsterinfo.aiflags & AI_STAND_GROUND)
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{
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if (self->enemy && self->enemy->inuse)
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{
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float length;
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VectorSubtract (self->enemy->s.origin, self->s.origin, v);
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length = VectorLength(v);
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self->ideal_yaw = vectoyaw(v);
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if((level.time >= self->monsterinfo.rangetime) && (self->monsterinfo.aiflags & AI_RANGE_PAUSE))
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{
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if((length < self->monsterinfo.ideal_range[0]) && (rand() & 3))
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self->monsterinfo.rangetime = level.time + 0.5;
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if((length < self->monsterinfo.ideal_range[1]) && (length > self->monsterinfo.ideal_range[0]) && (rand() & 1))
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self->monsterinfo.rangetime = level.time + 0.2;
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}
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if (self->s.angles[YAW] != self->ideal_yaw && self->monsterinfo.aiflags & AI_RANGE_PAUSE)
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{
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if(self->monsterinfo.rangetime < level.time)
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{
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// Lazarus: Don't run if we're still too close
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if(self->monsterinfo.min_range > 0)
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{
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if(length > self->monsterinfo.min_range)
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{
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self->monsterinfo.aiflags &= ~(AI_STAND_GROUND | AI_RANGE_PAUSE);
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self->monsterinfo.run (self);
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}
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}
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else
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{
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self->monsterinfo.aiflags &= ~(AI_STAND_GROUND | AI_RANGE_PAUSE);
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self->monsterinfo.run (self);
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}
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}
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}
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M_ChangeYaw (self);
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ai_checkattack (self, 0);
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if(!enemy_vis && (self->monsterinfo.aiflags & AI_RANGE_PAUSE))
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{
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self->monsterinfo.aiflags &= ~(AI_STAND_GROUND | AI_RANGE_PAUSE);
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self->monsterinfo.run (self);
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}
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}
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else
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FindTarget (self);
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return;
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}
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if (FindTarget (self))
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return;
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if (level.time > self->monsterinfo.pausetime)
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{
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// Lazarus: Solve problem of monsters pausing at path_corners, taking off in
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// original direction
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if(self->enemy && self->enemy->inuse)
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{
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VectorSubtract (self->enemy->s.origin, self->s.origin, v);
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}
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else if(self->goalentity)
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{
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VectorSubtract (self->goalentity->s.origin, self->s.origin, v);
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}
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else
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{
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self->monsterinfo.pausetime = level.time + random() * 15;
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return;
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}
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self->ideal_yaw = vectoyaw (v);
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// Lazarus: Let misc_actors who are following their leader RUN even when not mad
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if( (self->monsterinfo.aiflags & AI_FOLLOW_LEADER) && (self->movetarget) &&
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(self->movetarget->inuse) )
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{
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float R;
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R = realrange(self,self->movetarget);
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if(R > ACTOR_FOLLOW_RUN_RANGE)
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self->monsterinfo.run (self);
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else if(R > ACTOR_FOLLOW_STAND_RANGE || !self->movetarget->client)
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self->monsterinfo.walk (self);
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}
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else
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self->monsterinfo.walk (self);
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return;
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}
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if (!(self->spawnflags & SF_MONSTER_SIGHT) && (self->monsterinfo.idle) && (level.time > self->monsterinfo.idle_time))
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{
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if(self->monsterinfo.aiflags & AI_MEDIC)
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abortHeal(self,false);
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if (self->monsterinfo.idle_time)
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{
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self->monsterinfo.idle (self);
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self->monsterinfo.idle_time = level.time + 15 + random() * 15;
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}
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else
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{
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self->monsterinfo.idle_time = level.time + random() * 15;
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}
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}
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}
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void ai_walk (edict_t *self, float dist)
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{
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// Lazarus: If we're following the leader and have no enemy, run to him
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if ((!self->enemy) && (self->monsterinfo.aiflags & AI_FOLLOW_LEADER))
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self->movetarget = self->goalentity = self->monsterinfo.leader;
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M_MoveToGoal (self, dist);
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// check for noticing a player
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if (FindTarget (self))
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return;
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if ((self->monsterinfo.search) && (level.time > self->monsterinfo.idle_time))
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{
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if(self->monsterinfo.aiflags & AI_MEDIC)
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abortHeal(self,false);
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if (self->monsterinfo.idle_time)
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{
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self->monsterinfo.search (self);
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self->monsterinfo.idle_time = level.time + 15 + random() * 15;
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}
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else
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{
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self->monsterinfo.idle_time = level.time + random() * 15;
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}
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}
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}
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/*
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=============
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ai_charge
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Turns towards target and advances
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Use this call with a distnace of 0 to replace ai_face
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==============
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*/
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void ai_charge (edict_t *self, float dist)
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{
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vec3_t v;
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// Lazarus: Check for existence and validity of enemy.
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// This is normally not necessary, but target_anger making
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// monster mad at a static object (a pickup, for example)
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// previously resulted in weirdness here
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if(!self->enemy || !self->enemy->inuse)
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return;
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VectorSubtract (self->enemy->s.origin, self->s.origin, v);
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self->ideal_yaw = vectoyaw(v);
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M_ChangeYaw (self);
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if (dist)
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M_walkmove (self, self->s.angles[YAW], dist);
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}
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/*
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=============
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ai_turn
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don't move, but turn towards ideal_yaw
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Distance is for slight position adjustments needed by the animations
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=============
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*/
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void ai_turn (edict_t *self, float dist)
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{
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if (dist)
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M_walkmove (self, self->s.angles[YAW], dist);
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if (FindTarget (self))
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return;
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M_ChangeYaw (self);
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}
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/*
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.enemy
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Will be world if not currently angry at anyone.
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.movetarget
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The next path spot to walk toward. If .enemy, ignore .movetarget.
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When an enemy is killed, the monster will try to return to it's path.
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.hunt_time
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Set to time + something when the player is in sight, but movement straight for
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him is blocked. This causes the monster to use wall following code for
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movement direction instead of sighting on the player.
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.ideal_yaw
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A yaw angle of the intended direction, which will be turned towards at up
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to 45 deg / state. If the enemy is in view and hunt_time is not active,
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this will be the exact line towards the enemy.
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.pausetime
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A monster will leave it's stand state and head towards it's .movetarget when
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time > .pausetime.
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walkmove(angle, speed) primitive is all or nothing
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*/
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/*
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=============
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range
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returns the range catagorization of an entity reletive to self
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0 melee range, will become hostile even if back is turned
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1 visibility and infront, or visibility and show hostile
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2 infront and show hostile
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3 only triggered by damage
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=============
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*/
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int range (edict_t *self, edict_t *other)
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{
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vec3_t v;
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float len;
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VectorSubtract (self->s.origin, other->s.origin, v);
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len = VectorLength (v);
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if (len < MELEE_DISTANCE)
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return RANGE_MELEE;
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if (len < 500)
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return RANGE_NEAR;
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if (len < self->monsterinfo.max_range)
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return RANGE_MID;
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return RANGE_FAR;
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}
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/*
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=============
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visible
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returns 1 if the entity is visible to self, even if not infront ()
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=============
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*/
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bool visible (edict_t *self, edict_t *other)
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{
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vec3_t spot1;
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vec3_t spot2;
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trace_t trace;
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VectorCopy (self->s.origin, spot1);
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spot1[2] += self->viewheight;
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VectorCopy (other->s.origin, spot2);
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spot2[2] += other->viewheight;
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trace = gi.trace (spot1, vec3_origin, vec3_origin, spot2, self, MASK_OPAQUE);
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// Lazarus: Take fog into account for monsters
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if ( (trace.fraction == 1.0) || (trace.ent == other))
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{
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if( (level.active_fog) && (self->svflags & SVF_MONSTER) )
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{
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fog_t *pfog;
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float r;
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float dw;
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vec3_t v;
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pfog = &level.fog;
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VectorSubtract(spot2,spot1,v);
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r = VectorLength(v);
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switch(pfog->Model)
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{
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case 1:
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dw = pfog->Density/10000. * r;
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self->monsterinfo.visibility = exp( -dw );
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break;
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case 2:
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dw = pfog->Density/10000. * r;
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self->monsterinfo.visibility = exp( -dw*dw );
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break;
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default:
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if((r < pfog->Near) || (pfog->Near == pfog->Far))
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self->monsterinfo.visibility = 1.0;
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else if(r > pfog->Far)
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self->monsterinfo.visibility = 0.0;
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else
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self->monsterinfo.visibility = 1.0 - (r - pfog->Near)/(pfog->Far - pfog->Near);
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break;
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}
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// if(developer->value)
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// gi.dprintf("r=%g, vis=%g\n",r,self->monsterinfo.visibility);
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if(self->monsterinfo.visibility < 0.05)
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return false;
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else
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return true;
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}
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else
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{
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self->monsterinfo.visibility = 1.0;
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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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/*
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=============
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infront
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returns 1 if the entity is in front (in sight) of self
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=============
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*/
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bool infront (edict_t *self, edict_t *other)
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{
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vec3_t vec;
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float dot;
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vec3_t forward;
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AngleVectors (self->s.angles, forward, NULL, NULL);
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VectorSubtract (other->s.origin, self->s.origin, vec);
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VectorNormalize (vec);
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dot = DotProduct (vec, forward);
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if (dot > 0.3)
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return true;
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return false;
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}
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/*
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=============
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canReach
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similar to visible, but uses a different mask
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=============
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*/
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bool canReach (edict_t *self, edict_t *other)
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{
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vec3_t spot1;
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vec3_t spot2;
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trace_t trace;
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VectorCopy (self->s.origin, spot1);
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spot1[2] += self->viewheight;
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VectorCopy (other->s.origin, spot2);
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spot2[2] += other->viewheight;
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trace = gi.trace (spot1, vec3_origin, vec3_origin, spot2, self, MASK_SHOT|MASK_WATER);
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if (trace.fraction == 1.0 || trace.ent == other) // PGM
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return true;
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return false;
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}
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//============================================================================
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void HuntTarget (edict_t *self)
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{
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vec3_t vec;
|
|
|
|
// Lazarus: avert impending disaster
|
|
if (self->monsterinfo.aiflags & AI_DUCKED)
|
|
return;
|
|
|
|
self->goalentity = self->enemy;
|
|
if (self->monsterinfo.aiflags & AI_STAND_GROUND)
|
|
self->monsterinfo.stand (self);
|
|
else
|
|
self->monsterinfo.run (self);
|
|
|
|
// Lazarus - help dummies find their enemy, maybe.
|
|
if (!visible(self,self->enemy) && !(self->monsterinfo.aiflags & AI_SEEK_ENEMY))
|
|
{
|
|
if(SeekEnemy(self))
|
|
return;
|
|
}
|
|
VectorSubtract (self->enemy->s.origin, self->s.origin, vec);
|
|
self->ideal_yaw = vectoyaw(vec);
|
|
// wait a while before first attack
|
|
if (!(self->monsterinfo.aiflags & AI_STAND_GROUND))
|
|
AttackFinished (self, 1);
|
|
}
|
|
|
|
void FoundTarget (edict_t *self)
|
|
{
|
|
edict_t *goodguy;
|
|
vec3_t v;
|
|
// trace_t tr;
|
|
|
|
// Lazarus: avert impending disaster
|
|
if (self->monsterinfo.aiflags & AI_DUCKED)
|
|
return;
|
|
|
|
if (self->monsterinfo.aiflags & AI_CHICKEN)
|
|
return;
|
|
|
|
// let other monsters see this monster for a while, but not if
|
|
// it's simply a reflection
|
|
if (self->enemy->client && !(self->enemy->flags & FL_REFLECT))
|
|
{
|
|
self->enemy->flags &= ~FL_DISGUISED;
|
|
|
|
level.sight_entity = self;
|
|
level.sight_entity_framenum = level.framenum;
|
|
level.sight_entity->light_level = 128;
|
|
|
|
goodguy = NULL;
|
|
goodguy = G_Find(NULL,FOFS(dmgteam),"player");
|
|
while(goodguy)
|
|
{
|
|
if(goodguy->health > 0)
|
|
{
|
|
if(!goodguy->enemy)
|
|
{
|
|
if(goodguy->monsterinfo.aiflags & AI_ACTOR)
|
|
{
|
|
// Can he see enemy?
|
|
// tr = gi.trace(goodguy->s.origin,vec3_origin,vec3_origin,self->enemy->s.origin,goodguy,MASK_OPAQUE);
|
|
// if(tr.fraction == 1.0)
|
|
if(gi.inPVS(goodguy->s.origin,self->enemy->s.origin))
|
|
{
|
|
goodguy->monsterinfo.aiflags |= AI_FOLLOW_LEADER;
|
|
goodguy->monsterinfo.old_leader = NULL;
|
|
goodguy->monsterinfo.leader = self->enemy;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
goodguy = G_Find(goodguy,FOFS(dmgteam),"player");
|
|
}
|
|
}
|
|
self->show_hostile = level.time + 1; // wake up other monsters
|
|
VectorCopy(self->enemy->s.origin, self->monsterinfo.last_sighting);
|
|
self->monsterinfo.trail_time = level.time;
|
|
if (!self->combattarget)
|
|
{
|
|
HuntTarget (self);
|
|
return;
|
|
}
|
|
|
|
self->goalentity = self->movetarget = G_PickTarget(self->combattarget);
|
|
if (!self->movetarget)
|
|
{
|
|
self->goalentity = self->movetarget = self->enemy;
|
|
HuntTarget (self);
|
|
gi.dprintf("%s at %s, combattarget %s not found\n", self->classname, vtos(self->s.origin), self->combattarget);
|
|
return;
|
|
}
|
|
// Lazarus: Huh? How come yaw for combattarget isn't set?
|
|
VectorSubtract(self->movetarget->s.origin,self->s.origin,v);
|
|
self->ideal_yaw = vectoyaw(v);
|
|
|
|
// clear out our combattarget, these are a one shot deal
|
|
self->combattarget = NULL;
|
|
self->monsterinfo.aiflags |= AI_COMBAT_POINT;
|
|
|
|
// clear the targetname, that point is ours!
|
|
// Lazarus: Why, why, why???? This doesn't remove the point_combat, only makes it inaccessible
|
|
// to other monsters.
|
|
//self->movetarget->targetname = NULL;
|
|
self->monsterinfo.pausetime = 0;
|
|
|
|
// run for it
|
|
self->monsterinfo.run (self);
|
|
}
|
|
|
|
|
|
/*
|
|
===========
|
|
FindTarget
|
|
|
|
Self is currently not attacking anything, so try to find a target
|
|
|
|
Returns TRUE if an enemy was sighted
|
|
|
|
When a player fires a missile, the point of impact becomes a fakeplayer so
|
|
that monsters that see the impact will respond as if they had seen the
|
|
player.
|
|
|
|
To avoid spending too much time, only a single client (or fakeclient) is
|
|
checked each frame. This means multi player games will have slightly
|
|
slower noticing monsters.
|
|
============
|
|
*/
|
|
bool FindTarget (edict_t *self)
|
|
{
|
|
edict_t *client=NULL;
|
|
bool heardit;
|
|
edict_t *reflection;
|
|
edict_t *self_reflection;
|
|
int r;
|
|
|
|
if(self->monsterinfo.aiflags & (AI_CHASE_THING | AI_HINT_TEST))
|
|
return false;
|
|
|
|
if (self->monsterinfo.aiflags & AI_GOOD_GUY)
|
|
{
|
|
if (self->goalentity && self->goalentity->inuse && self->goalentity->classname)
|
|
{
|
|
if (self->goalentity->class_id == ENTITY_TARGET_ACTOR)
|
|
return false;
|
|
}
|
|
|
|
// Lazarus: Look for monsters
|
|
if( !self->enemy )
|
|
{
|
|
if( self->monsterinfo.aiflags & AI_FOLLOW_LEADER )
|
|
{
|
|
int i;
|
|
edict_t *e;
|
|
edict_t *best=NULL;
|
|
vec_t dist, best_dist;
|
|
|
|
best_dist = self->monsterinfo.max_range;
|
|
for(i=game.maxclients+1; i<globals.num_edicts; i++) {
|
|
e = &g_edicts[i];
|
|
if(!e->inuse)
|
|
continue;
|
|
if(!(e->svflags & SVF_MONSTER))
|
|
continue;
|
|
if(e->svflags & SVF_NOCLIENT)
|
|
continue;
|
|
if(e->solid == SOLID_NOT)
|
|
continue;
|
|
if(e->monsterinfo.aiflags & AI_GOOD_GUY)
|
|
continue;
|
|
if(!visible(self,e))
|
|
continue;
|
|
if ( self->monsterinfo.aiflags & AI_BRUTAL )
|
|
{
|
|
if (e->health <= e->gib_health)
|
|
continue;
|
|
}
|
|
else if (e->health <= 0)
|
|
continue;
|
|
dist = realrange(self,e);
|
|
if(dist < best_dist)
|
|
{
|
|
best_dist = dist;
|
|
best = e;
|
|
}
|
|
}
|
|
if(best)
|
|
{
|
|
self->enemy = best;
|
|
FoundTarget(self);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
else if (level.time < self->monsterinfo.pausetime )
|
|
return false;
|
|
else {
|
|
if (!visible (self, self->enemy))
|
|
return false;
|
|
else {
|
|
FoundTarget(self);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// if we're going to a combat point, just proceed
|
|
if (self->monsterinfo.aiflags & AI_COMBAT_POINT)
|
|
return false;
|
|
|
|
// if the first spawnflag bit is set, the monster will only wake up on
|
|
// really seeing the player, not another monster getting angry or hearing
|
|
// something
|
|
|
|
// revised behavior so they will wake up if they "see" a player make a noise
|
|
// but not weapon impact/explosion noises
|
|
|
|
heardit = false;
|
|
if ((level.sight_entity_framenum >= (level.framenum - 1)) && !(self->spawnflags & SF_MONSTER_SIGHT) )
|
|
{
|
|
client = level.sight_entity;
|
|
if (client->enemy == self->enemy)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else if (level.disguise_violation_framenum > level.framenum)
|
|
{
|
|
client = level.disguise_violator;
|
|
}
|
|
else if (level.sound_entity_framenum >= (level.framenum - 1))
|
|
{
|
|
client = level.sound_entity;
|
|
heardit = true;
|
|
}
|
|
else if (!(self->enemy) && (level.sound2_entity_framenum >= (level.framenum - 1)) && !(self->spawnflags & SF_MONSTER_SIGHT) )
|
|
{
|
|
client = level.sound2_entity;
|
|
heardit = true;
|
|
}
|
|
else
|
|
{
|
|
client = level.sight_client;
|
|
if (!client)
|
|
return false; // no clients to get mad at
|
|
}
|
|
|
|
// if the entity went away, forget it
|
|
if (!client || !client->inuse)
|
|
return false;
|
|
|
|
// Lazarus
|
|
if(client->client && client->client->camplayer)
|
|
client = client->client->camplayer;
|
|
|
|
if (client == self->enemy)
|
|
return true; // JDC false;
|
|
|
|
// Lazarus: Force idle medics to look for dead monsters
|
|
if (!self->enemy && (self->class_id == ENTITY_MONSTER_MEDIC))
|
|
{
|
|
if(medic_FindDeadMonster(self))
|
|
return true;
|
|
}
|
|
|
|
//PMM - hintpath coop fix
|
|
if ((self->monsterinfo.aiflags & AI_HINT_PATH) && (coop) && (coop->value))
|
|
heardit = false;
|
|
// pmm
|
|
|
|
if (client->client)
|
|
{
|
|
if (client->flags & FL_NOTARGET)
|
|
return false;
|
|
}
|
|
else if (client->svflags & SVF_MONSTER)
|
|
{
|
|
if (!client->enemy)
|
|
return false;
|
|
if (client->enemy->flags & FL_NOTARGET)
|
|
return false;
|
|
}
|
|
else if (heardit)
|
|
{
|
|
if (client->owner && (client->owner->flags & FL_NOTARGET))
|
|
return false;
|
|
}
|
|
else
|
|
return false;
|
|
|
|
reflection = NULL;
|
|
self_reflection = NULL;
|
|
if (level.num_reflectors)
|
|
{
|
|
int i;
|
|
edict_t *ref;
|
|
|
|
for(i=0; i<6 && !reflection; i++)
|
|
{
|
|
ref = client->reflection[i];
|
|
if(ref && visible(self,ref) && infront(self,ref))
|
|
{
|
|
reflection = ref;
|
|
self_reflection = self->reflection[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!heardit)
|
|
{
|
|
r = range (self, client);
|
|
|
|
if (r == RANGE_FAR)
|
|
return false;
|
|
|
|
// this is where we would check invisibility
|
|
|
|
// is client in a spot too dark to be seen?
|
|
if (client->light_level <= 5)
|
|
return false;
|
|
|
|
if (!visible (self, client))
|
|
{
|
|
vec3_t temp;
|
|
|
|
if (!reflection)
|
|
return false;
|
|
|
|
self->goalentity = self->movetarget = reflection;
|
|
VectorSubtract(reflection->s.origin,self->s.origin,temp);
|
|
self->ideal_yaw = vectoyaw(temp);
|
|
M_ChangeYaw (self);
|
|
// If MORON (=4) is set, then the reflection becomes the
|
|
// enemy. Otherwise if DUMMY (=8) is set, reflection
|
|
// becomes the enemy ONLY if the monster cannot see his
|
|
// own reflection in the same mirror. And if neither situation
|
|
// applies, then reflection is treated identically
|
|
// to a player noise.
|
|
// Don't do the MORON/DUMMY bit if SF_MONSTER_KNOWS_MIRRORS
|
|
// is set (set automatically for melee-only monsters, and
|
|
// turned on once other monsters have figured out the truth)
|
|
if(!(self->spawnflags & SF_MONSTER_KNOWS_MIRRORS))
|
|
{
|
|
if(reflection->activator->spawnflags & 4)
|
|
{
|
|
self->monsterinfo.attack_state = 0;
|
|
self->enemy = reflection;
|
|
goto got_one;
|
|
}
|
|
if(reflection->activator->spawnflags & 8)
|
|
{
|
|
if(!self_reflection || !visible(self,self_reflection))
|
|
{
|
|
self->monsterinfo.attack_state = 0;
|
|
self->enemy = reflection;
|
|
goto got_one;
|
|
}
|
|
}
|
|
}
|
|
self->monsterinfo.pausetime = 0;
|
|
self->monsterinfo.aiflags &= ~AI_STAND_GROUND;
|
|
self->monsterinfo.run(self);
|
|
return false;
|
|
}
|
|
|
|
if (reflection && !(self->spawnflags & SF_MONSTER_KNOWS_MIRRORS) &&
|
|
!infront(self,client))
|
|
{
|
|
// Client is visible but behind monster.
|
|
// If MORON or DUMMY for the parent func_reflect is set,
|
|
// attack the reflection (in the case of DUMMY, only
|
|
// if monster doesn't see himself in the same mirror)
|
|
if( (reflection->activator->spawnflags & 4) ||
|
|
( (reflection->activator->spawnflags & 8) &&
|
|
(!self_reflection || !visible(self,self_reflection)) ) )
|
|
{
|
|
vec3_t temp;
|
|
|
|
self->goalentity = self->movetarget = reflection;
|
|
VectorSubtract(reflection->s.origin,self->s.origin,temp);
|
|
self->ideal_yaw = vectoyaw(temp);
|
|
M_ChangeYaw (self);
|
|
self->enemy = reflection;
|
|
goto got_one;
|
|
}
|
|
}
|
|
|
|
if (!reflection)
|
|
{
|
|
if (r == RANGE_NEAR)
|
|
{
|
|
if (client->show_hostile < level.time && !infront (self, client))
|
|
return false;
|
|
}
|
|
else if (r == RANGE_MID)
|
|
{
|
|
if (!infront (self, client))
|
|
return false;
|
|
}
|
|
}
|
|
|
|
self->enemy = client;
|
|
|
|
if (self->enemy->class_id != ENTITY_PLAYER_NOISE)
|
|
{
|
|
self->monsterinfo.aiflags &= ~AI_SOUND_TARGET;
|
|
|
|
if (!self->enemy->client)
|
|
{
|
|
self->enemy = self->enemy->enemy;
|
|
if (!self->enemy->client)
|
|
{
|
|
self->enemy = NULL;
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else // heardit
|
|
{
|
|
vec3_t temp;
|
|
|
|
if (self->spawnflags & SF_MONSTER_SIGHT)
|
|
{
|
|
if (!visible (self, client))
|
|
return false;
|
|
}
|
|
else if(!(client->flags & FL_REFLECT))
|
|
{
|
|
if (!gi.inPHS(self->s.origin, client->s.origin))
|
|
return false;
|
|
}
|
|
|
|
VectorSubtract (client->s.origin, self->s.origin, temp);
|
|
|
|
if (VectorLength(temp) > 1000) // too far to hear
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// check area portals - if they are different and not connected then we can't hear it
|
|
if (!(client->flags & FL_REFLECT))
|
|
{
|
|
if (client->areanum != self->areanum)
|
|
if (!gi.AreasConnected(self->areanum, client->areanum))
|
|
return false;
|
|
}
|
|
|
|
self->ideal_yaw = vectoyaw(temp);
|
|
M_ChangeYaw (self);
|
|
|
|
// hunt the sound for a bit; hopefully find the real player
|
|
self->monsterinfo.aiflags |= AI_SOUND_TARGET;
|
|
self->enemy = client;
|
|
}
|
|
|
|
got_one:
|
|
|
|
//
|
|
// got one
|
|
//
|
|
// PMM - if we got an enemy, we need to bail out of hint paths, so take over here
|
|
if (self->monsterinfo.aiflags & AI_HINT_PATH)
|
|
{
|
|
// this calls foundtarget for us
|
|
hintpath_stop (self);
|
|
}
|
|
else if(self->monsterinfo.aiflags & AI_MEDIC_PATROL)
|
|
{
|
|
medic_StopPatrolling (self);
|
|
}
|
|
else
|
|
{
|
|
FoundTarget (self);
|
|
}
|
|
// pmm
|
|
|
|
if (!(self->monsterinfo.aiflags & AI_SOUND_TARGET) && (self->monsterinfo.sight))
|
|
self->monsterinfo.sight (self, self->enemy);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
//=============================================================================
|
|
|
|
/*
|
|
============
|
|
FacingIdeal
|
|
|
|
============
|
|
*/
|
|
bool FacingIdeal(edict_t *self)
|
|
{
|
|
float delta;
|
|
|
|
delta = anglemod(self->s.angles[YAW] - self->ideal_yaw);
|
|
if (delta > 45 && delta < 315)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
|
|
//=============================================================================
|
|
|
|
bool M_CheckAttack (edict_t *self)
|
|
{
|
|
vec3_t spot1, spot2;
|
|
float chance;
|
|
trace_t tr;
|
|
|
|
// Lazarus: Paranoia check
|
|
if (!self->enemy)
|
|
return false;
|
|
|
|
if (self->enemy->health > 0)
|
|
{
|
|
// see if any entities are in the way of the shot
|
|
VectorCopy (self->s.origin, spot1);
|
|
spot1[2] += self->viewheight;
|
|
VectorCopy (self->enemy->s.origin, spot2);
|
|
spot2[2] += self->enemy->viewheight;
|
|
tr = gi.trace (spot1, NULL, NULL, spot2, self, CONTENTS_SOLID|CONTENTS_MONSTER|CONTENTS_SLIME|CONTENTS_LAVA|CONTENTS_WINDOW);
|
|
|
|
// do we have a clear shot?
|
|
if (tr.ent != self->enemy)
|
|
{
|
|
if (!(self->enemy->flags & FL_REFLECT))
|
|
return false;
|
|
if (tr.ent != world)
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// melee attack
|
|
if (enemy_range == RANGE_MELEE)
|
|
{
|
|
// don't always melee in easy mode
|
|
if (skill->value == 0 && (rand()&3) )
|
|
return false;
|
|
if (self->monsterinfo.melee)
|
|
self->monsterinfo.attack_state = AS_MELEE;
|
|
else
|
|
self->monsterinfo.attack_state = AS_MISSILE;
|
|
return true;
|
|
}
|
|
|
|
// missile attack
|
|
if (!self->monsterinfo.attack)
|
|
return false;
|
|
|
|
if (level.time < self->monsterinfo.attack_finished)
|
|
return false;
|
|
|
|
if (enemy_range == RANGE_FAR)
|
|
return false;
|
|
|
|
if (self->enemy->flags == FL_REFLECT)
|
|
{
|
|
// no waiting for reflections - shoot 'em NOW
|
|
chance = 2.0;
|
|
}
|
|
else if (self->monsterinfo.aiflags & AI_STAND_GROUND)
|
|
{
|
|
chance = 0.4;
|
|
}
|
|
else if (enemy_range == RANGE_MELEE)
|
|
{
|
|
chance = 0.2;
|
|
}
|
|
else if (enemy_range == RANGE_NEAR)
|
|
{
|
|
chance = 0.1;
|
|
}
|
|
else if (enemy_range == RANGE_MID)
|
|
{
|
|
chance = 0.02;
|
|
}
|
|
else
|
|
return false;
|
|
|
|
if (skill->value == 0)
|
|
chance *= 0.5;
|
|
else if (skill->value >= 2)
|
|
chance *= 2;
|
|
|
|
if (random () < chance)
|
|
{
|
|
self->monsterinfo.attack_state = AS_MISSILE;
|
|
self->monsterinfo.attack_finished = level.time + 2*random();
|
|
return true;
|
|
}
|
|
|
|
if (self->flags & FL_FLY)
|
|
{
|
|
if (random() < 0.3)
|
|
self->monsterinfo.attack_state = AS_SLIDING;
|
|
else
|
|
self->monsterinfo.attack_state = AS_STRAIGHT;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/*
|
|
=============
|
|
ai_run_melee
|
|
|
|
Turn and close until within an angle to launch a melee attack
|
|
=============
|
|
*/
|
|
void ai_run_melee(edict_t *self)
|
|
{
|
|
self->ideal_yaw = enemy_yaw;
|
|
M_ChangeYaw (self);
|
|
|
|
if (FacingIdeal(self))
|
|
{
|
|
self->monsterinfo.melee (self);
|
|
self->monsterinfo.attack_state = AS_STRAIGHT;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=============
|
|
ai_run_missile
|
|
|
|
Turn in place until within an angle to launch a missile attack
|
|
=============
|
|
*/
|
|
void ai_run_missile(edict_t *self)
|
|
{
|
|
self->ideal_yaw = enemy_yaw;
|
|
M_ChangeYaw (self);
|
|
|
|
if (FacingIdeal(self))
|
|
{
|
|
self->monsterinfo.attack (self);
|
|
self->monsterinfo.attack_state = AS_STRAIGHT;
|
|
}
|
|
};
|
|
|
|
|
|
/*
|
|
=============
|
|
ai_run_slide
|
|
|
|
Strafe sideways, but stay at aproximately the same range
|
|
=============
|
|
*/
|
|
void ai_run_slide(edict_t *self, float distance)
|
|
{
|
|
float ofs;
|
|
|
|
self->ideal_yaw = enemy_yaw;
|
|
M_ChangeYaw (self);
|
|
|
|
if (self->monsterinfo.lefty)
|
|
ofs = 90;
|
|
else
|
|
ofs = -90;
|
|
|
|
if (M_walkmove (self, self->ideal_yaw + ofs, distance))
|
|
return;
|
|
|
|
self->monsterinfo.lefty = 1 - self->monsterinfo.lefty;
|
|
M_walkmove (self, self->ideal_yaw - ofs, distance);
|
|
}
|
|
|
|
|
|
/*
|
|
=============
|
|
ai_checkattack
|
|
|
|
Decides if we're going to attack or do something else
|
|
used by ai_run and ai_stand
|
|
=============
|
|
*/
|
|
bool ai_checkattack (edict_t *self, float dist)
|
|
{
|
|
vec3_t temp;
|
|
bool hesDeadJim;
|
|
|
|
// this causes monsters to run blindly to the combat point w/o firing
|
|
if (self->goalentity)
|
|
{
|
|
if (self->monsterinfo.aiflags & AI_COMBAT_POINT)
|
|
return false;
|
|
|
|
if (self->monsterinfo.aiflags & AI_SOUND_TARGET)
|
|
{
|
|
if ((level.time - self->enemy->teleport_time) > 5.0)
|
|
{
|
|
if (self->goalentity == self->enemy)
|
|
if (self->movetarget)
|
|
self->goalentity = self->movetarget;
|
|
else
|
|
self->goalentity = NULL;
|
|
self->monsterinfo.aiflags &= ~AI_SOUND_TARGET;
|
|
if (self->monsterinfo.aiflags & AI_TEMP_STAND_GROUND)
|
|
self->monsterinfo.aiflags &= ~(AI_STAND_GROUND | AI_TEMP_STAND_GROUND);
|
|
}
|
|
else
|
|
{
|
|
self->show_hostile = level.time + 1;
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
enemy_vis = false;
|
|
|
|
// see if the enemy is dead
|
|
hesDeadJim = false;
|
|
if ((!self->enemy) || (!self->enemy->inuse))
|
|
{
|
|
hesDeadJim = true;
|
|
}
|
|
else if (self->monsterinfo.aiflags & AI_MEDIC)
|
|
{
|
|
if (self->enemy->health > 0)
|
|
{
|
|
hesDeadJim = true;
|
|
self->monsterinfo.aiflags &= ~AI_MEDIC;
|
|
}
|
|
}
|
|
else if (self->enemy->flags & FL_REFLECT)
|
|
{
|
|
hesDeadJim = false;
|
|
}
|
|
else
|
|
{
|
|
if (self->monsterinfo.aiflags & AI_BRUTAL)
|
|
{
|
|
// Lazarus: This value should be enemy class-dependent
|
|
//if (self->enemy->health <= -80)
|
|
if (self->enemy->health <= self->enemy->gib_health)
|
|
hesDeadJim = true;
|
|
}
|
|
else
|
|
{
|
|
if (self->enemy->health <= 0)
|
|
hesDeadJim = true;
|
|
}
|
|
}
|
|
|
|
if (hesDeadJim)
|
|
{
|
|
self->enemy = NULL;
|
|
// FIXME: look all around for other targets
|
|
if (self->oldenemy && self->oldenemy->health > 0)
|
|
{
|
|
self->enemy = self->oldenemy;
|
|
self->oldenemy = NULL;
|
|
HuntTarget (self);
|
|
}
|
|
else
|
|
{
|
|
if (self->movetarget)
|
|
{
|
|
self->goalentity = self->movetarget;
|
|
|
|
// Lazarus: Let misc_actors who are following their leader RUN even when not mad
|
|
if( (self->monsterinfo.aiflags & AI_FOLLOW_LEADER) &&
|
|
(self->movetarget) &&
|
|
(self->movetarget->inuse) )
|
|
{
|
|
float R;
|
|
|
|
R = realrange(self,self->movetarget);
|
|
if(R > ACTOR_FOLLOW_RUN_RANGE)
|
|
self->monsterinfo.run (self);
|
|
else if(R > ACTOR_FOLLOW_STAND_RANGE || !self->movetarget->client)
|
|
self->monsterinfo.walk (self);
|
|
else {
|
|
self->monsterinfo.pausetime = level.time + 0.5;
|
|
self->monsterinfo.stand (self);
|
|
}
|
|
}
|
|
else
|
|
self->monsterinfo.walk (self);
|
|
}
|
|
else
|
|
{
|
|
// we need the pausetime otherwise the stand code
|
|
// will just revert to walking with no target and
|
|
// the monsters will wonder around aimlessly trying
|
|
// to hunt the world entity
|
|
self->monsterinfo.pausetime = level.time + 100000000;
|
|
self->monsterinfo.stand (self);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
self->show_hostile = level.time + 1; // wake up other monsters
|
|
|
|
// check knowledge of enemy
|
|
|
|
enemy_vis = visible(self, self->enemy);
|
|
|
|
if (enemy_vis)
|
|
{
|
|
self->monsterinfo.search_time = level.time + 5;
|
|
VectorCopy (self->enemy->s.origin, self->monsterinfo.last_sighting);
|
|
}
|
|
|
|
// look for other coop players here
|
|
// if (coop && self->monsterinfo.search_time < level.time)
|
|
// {
|
|
// if (FindTarget (self))
|
|
// return true;
|
|
// }
|
|
|
|
if (self->monsterinfo.aiflags & AI_CHICKEN)
|
|
{
|
|
if (enemy_vis)
|
|
{
|
|
if (ai_chicken(self,self->enemy))
|
|
return false;
|
|
else
|
|
{
|
|
self->monsterinfo.aiflags &= ~(AI_CHICKEN | AI_STAND_GROUND);
|
|
self->monsterinfo.pausetime = 0;
|
|
FoundTarget(self);
|
|
}
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
enemy_infront = infront(self, self->enemy);
|
|
enemy_range = range(self, self->enemy);
|
|
VectorSubtract (self->enemy->s.origin, self->s.origin, temp);
|
|
enemy_yaw = vectoyaw(temp);
|
|
|
|
|
|
// JDC self->ideal_yaw = enemy_yaw;
|
|
|
|
if (self->monsterinfo.attack_state == AS_MISSILE)
|
|
{
|
|
ai_run_missile (self);
|
|
return true;
|
|
}
|
|
if (self->monsterinfo.attack_state == AS_MELEE)
|
|
{
|
|
ai_run_melee (self);
|
|
return true;
|
|
}
|
|
|
|
// if enemy is not currently visible, we will never attack
|
|
if (!enemy_vis)
|
|
return false;
|
|
|
|
if( self->monsterinfo.checkattack (self) )
|
|
{
|
|
self->enemy->last_attacked_framenum = level.framenum;
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
|
|
#define HINT_PATH_START_TIME 3
|
|
#define HINT_PATH_RESTART_TIME 5
|
|
|
|
/*
|
|
=============
|
|
ai_run
|
|
|
|
The monster has an enemy it is trying to kill
|
|
=============
|
|
*/
|
|
void ai_run (edict_t *self, float dist)
|
|
{
|
|
vec3_t v;
|
|
edict_t *tempgoal;
|
|
edict_t *save;
|
|
bool new;
|
|
edict_t *marker;
|
|
float d1, d2;
|
|
trace_t tr;
|
|
vec3_t v_forward, v_right;
|
|
float left, center, right;
|
|
vec3_t left_target, right_target;
|
|
bool alreadyMoved = false;
|
|
bool gotcha=false;
|
|
edict_t *realEnemy;
|
|
|
|
// if we're going to a combat point, just proceed
|
|
if ( self->monsterinfo.aiflags & (AI_COMBAT_POINT | AI_CHASE_THING | AI_HINT_TEST))
|
|
{
|
|
M_MoveToGoal (self, dist);
|
|
return;
|
|
}
|
|
|
|
if ( self->monsterinfo.aiflags & AI_MEDIC_PATROL )
|
|
{
|
|
if (!FindTarget(self))
|
|
{
|
|
M_MoveToGoal(self,dist);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// If currently mad at a reflection, AND we've already shot at it once, set
|
|
// flag indicating that this monster got suddenly smarter about mirrors, and
|
|
// turn him on the real enemy
|
|
if (self->enemy && (self->enemy->flags & FL_REFLECT))
|
|
{
|
|
if( (self->enemy->last_attacked_framenum > 0) &&
|
|
(self->enemy->last_attacked_framenum < level.framenum-5) )
|
|
{
|
|
self->enemy->last_attacked_framenum = 0;
|
|
self->spawnflags |= SF_MONSTER_KNOWS_MIRRORS;
|
|
self->enemy = self->enemy->owner;
|
|
self->movetarget = self->goalentity = self->enemy;
|
|
VectorSubtract(self->enemy->s.origin,self->s.origin,v);
|
|
self->ideal_yaw = vectoyaw(v);
|
|
if(!alreadyMoved)
|
|
M_MoveToGoal(self,dist);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Lazarus: If running at a reflection, go ahead, until source of reflection
|
|
// is visible
|
|
if (!self->enemy && self->movetarget && (self->movetarget->flags & FL_REFLECT))
|
|
{
|
|
if( !visible(self,self->movetarget->owner))
|
|
{
|
|
M_MoveToGoal(self,dist);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Lazarus: If we're following the leader and have no enemy, go ahead
|
|
if ((!self->enemy) && (self->monsterinfo.aiflags & AI_FOLLOW_LEADER))
|
|
{
|
|
self->movetarget = self->goalentity = self->monsterinfo.leader;
|
|
if(!self->movetarget)
|
|
{
|
|
self->monsterinfo.pausetime = level.time + 2;
|
|
self->monsterinfo.stand(self);
|
|
return;
|
|
}
|
|
self->monsterinfo.aiflags &= ~(AI_STAND_GROUND | AI_TEMP_STAND_GROUND);
|
|
self->monsterinfo.pausetime = 0;
|
|
M_MoveToGoal (self, dist);
|
|
return;
|
|
}
|
|
//==========
|
|
//PGM
|
|
// if we're currently looking for a hint path
|
|
if (self->monsterinfo.aiflags & AI_HINT_PATH)
|
|
{
|
|
// determine direction to our destination hintpath.
|
|
// FIXME - is this needed EVERY time? I was having trouble with them
|
|
// sometimes not going after it, and this fixed it.
|
|
// VectorSubtract(self->movetarget->s.origin, self->s.origin, v);
|
|
// vectoangles(v, v_forward);
|
|
// self->ideal_yaw = v_forward[YAW];
|
|
// gi.dprintf("seeking hintpath. origin: %s %0.1f\n", vtos(v), self->ideal_yaw);
|
|
M_MoveToGoal (self, dist);
|
|
if(!self->inuse)
|
|
return; // PGM - g_touchtrigger free problem
|
|
// return;
|
|
|
|
// first off, make sure we're looking for the player, not a noise he made
|
|
if (self->enemy)
|
|
{
|
|
if (self->enemy->inuse)
|
|
{
|
|
if (self->enemy->class_id != ENTITY_PLAYER_NOISE)
|
|
realEnemy = self->enemy;
|
|
else if (self->enemy->owner)
|
|
realEnemy = self->enemy->owner;
|
|
else // uh oh, can't figure out enemy, bail
|
|
{
|
|
self->enemy = NULL;
|
|
hintpath_stop (self);
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
self->enemy = NULL;
|
|
hintpath_stop (self);
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hintpath_stop (self);
|
|
return;
|
|
}
|
|
|
|
if (coop && coop->value)
|
|
{
|
|
// if we're in coop, check my real enemy first .. if I SEE him, set gotcha to true
|
|
if (self->enemy && visible(self, realEnemy))
|
|
gotcha = true;
|
|
else // otherwise, let FindTarget bump us out of hint paths, if appropriate
|
|
FindTarget(self);
|
|
}
|
|
else
|
|
{
|
|
// Lazarus: special case for medics with AI_MEDIC and AI_HINT_PATH set. If
|
|
// range is farther than MEDIC_MAX_HEAL_DISTANCE we essentially
|
|
// lie... pretend the enemy isn't seen.
|
|
if ( self->monsterinfo.aiflags & AI_MEDIC )
|
|
{
|
|
if(realrange(self,realEnemy) > MEDIC_MAX_HEAL_DISTANCE)
|
|
{
|
|
// Since we're on a hint_path trying to get in position to
|
|
// heal monster, rather than actually healing him,
|
|
// allow more time
|
|
self->timestamp = level.time + MEDIC_TRY_TIME;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if(self->enemy && visible(self, realEnemy))
|
|
gotcha = true;
|
|
}
|
|
|
|
// if we see the player, stop following hintpaths.
|
|
if (gotcha)
|
|
{
|
|
// disconnect from hintpaths and start looking normally for players.
|
|
hintpath_stop (self);
|
|
}
|
|
return;
|
|
}
|
|
//PGM
|
|
//==========
|
|
|
|
if (self->monsterinfo.aiflags & AI_SOUND_TARGET)
|
|
{
|
|
if (self->enemy)
|
|
VectorSubtract (self->s.origin, self->enemy->s.origin, v);
|
|
|
|
if ((!self->enemy) || (VectorLength(v) < 64))
|
|
{
|
|
self->monsterinfo.aiflags |= (AI_STAND_GROUND | AI_TEMP_STAND_GROUND);
|
|
self->monsterinfo.stand (self);
|
|
return;
|
|
}
|
|
|
|
if (!(self->monsterinfo.aiflags & AI_SEEK_ENEMY))
|
|
{
|
|
if(SeekEnemy(self))
|
|
{
|
|
if(!alreadyMoved)
|
|
M_MoveToGoal(self,dist);
|
|
return;
|
|
}
|
|
}
|
|
|
|
M_MoveToGoal (self, dist);
|
|
// PMM - prevent double moves for sound_targets
|
|
alreadyMoved = true;
|
|
// pmm
|
|
if(!self->inuse)
|
|
return; // PGM - g_touchtrigger free problem
|
|
|
|
if (!FindTarget (self))
|
|
return;
|
|
}
|
|
|
|
if(ai_checkattack (self, dist))
|
|
return;
|
|
|
|
if (self->monsterinfo.attack_state == AS_SLIDING)
|
|
{
|
|
ai_run_slide (self, dist);
|
|
return;
|
|
}
|
|
|
|
// Lazarus: If enemy is currently unseen, try our random vector
|
|
// business.
|
|
if (self->enemy && self->enemy->inuse && !enemy_vis &&
|
|
!(self->monsterinfo.aiflags & (AI_SOUND_TARGET | AI_SEEK_ENEMY)) )
|
|
{
|
|
if(SeekEnemy(self))
|
|
{
|
|
if(!alreadyMoved)
|
|
M_MoveToGoal(self,dist);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ((self->enemy) && (self->enemy->inuse) && (enemy_vis))
|
|
{
|
|
// if (self.aiflags & AI_LOST_SIGHT)
|
|
// dprint("regained sight\n");
|
|
if(!alreadyMoved)
|
|
M_MoveToGoal (self, dist);
|
|
if(!self->inuse)
|
|
return;
|
|
self->monsterinfo.aiflags &= ~AI_LOST_SIGHT;
|
|
VectorCopy (self->enemy->s.origin, self->monsterinfo.last_sighting);
|
|
self->monsterinfo.trail_time = level.time;
|
|
return;
|
|
}
|
|
|
|
//=======
|
|
//PGM
|
|
// if we've been looking (unsuccessfully) for the player for 3 seconds
|
|
if((self->monsterinfo.trail_time + HINT_PATH_START_TIME) <= level.time)
|
|
{
|
|
// and we haven't checked for valid hint paths in the last 5 seconds
|
|
if((self->monsterinfo.last_hint_time + HINT_PATH_RESTART_TIME) <= level.time)
|
|
{
|
|
// check for hint_paths.
|
|
self->monsterinfo.last_hint_time = level.time;
|
|
if(monsterlost_checkhint(self))
|
|
return;
|
|
}
|
|
}
|
|
//PGM
|
|
//=======
|
|
|
|
// coop will change to another enemy if visible
|
|
if (coop->value)
|
|
{ // FIXME: insane guys get mad with this, which causes crashes!
|
|
if (FindTarget (self))
|
|
return;
|
|
}
|
|
|
|
// Lazarus: for medics, IF hint_paths are present then cut back a bit on max
|
|
// search time and let him go idle so he'll start tracking hint_paths
|
|
if (self->monsterinfo.search_time)
|
|
{
|
|
if ((self->class_id == ENTITY_MONSTER_MEDIC) && hint_paths_present)
|
|
{
|
|
if(developer->value)
|
|
gi.dprintf("medic search_time=%g\n",level.time - self->monsterinfo.search_time);
|
|
|
|
if (level.time > (self->monsterinfo.search_time + 15))
|
|
{
|
|
if(developer->value)
|
|
gi.dprintf("medic search timeout, going idle\n");
|
|
|
|
if(!alreadyMoved)
|
|
M_MoveToGoal (self, dist);
|
|
self->monsterinfo.search_time = 0;
|
|
if(self->goalentity == self->enemy)
|
|
self->goalentity = NULL;
|
|
if(self->movetarget == self->enemy)
|
|
self->movetarget = NULL;
|
|
self->enemy = self->oldenemy = NULL;
|
|
self->monsterinfo.pausetime = level.time + 2;
|
|
self->monsterinfo.stand(self);
|
|
return;
|
|
}
|
|
}
|
|
else if (level.time > (self->monsterinfo.search_time + 20))
|
|
{
|
|
if(!alreadyMoved)
|
|
M_MoveToGoal (self, dist);
|
|
self->monsterinfo.search_time = 0;
|
|
return;
|
|
}
|
|
}
|
|
|
|
save = self->goalentity;
|
|
tempgoal = G_Spawn();
|
|
self->goalentity = tempgoal;
|
|
|
|
new = false;
|
|
|
|
if (!(self->monsterinfo.aiflags & AI_LOST_SIGHT))
|
|
{
|
|
// just lost sight of the player, decide where to go first
|
|
// dprint("lost sight of player, last seen at "); dprint(vtos(self.last_sighting)); dprint("\n");
|
|
self->monsterinfo.aiflags |= (AI_LOST_SIGHT | AI_PURSUIT_LAST_SEEN);
|
|
self->monsterinfo.aiflags &= ~(AI_PURSUE_NEXT | AI_PURSUE_TEMP);
|
|
new = true;
|
|
}
|
|
|
|
if (self->monsterinfo.aiflags & AI_PURSUE_NEXT)
|
|
{
|
|
self->monsterinfo.aiflags &= ~AI_PURSUE_NEXT;
|
|
// dprint("reached current goal: "); dprint(vtos(self.origin)); dprint(" "); dprint(vtos(self.last_sighting)); dprint(" "); dprint(ftos(vlen(self.origin - self.last_sighting))); dprint("\n");
|
|
|
|
// give ourself more time since we got this far
|
|
self->monsterinfo.search_time = level.time + 5;
|
|
|
|
if (self->monsterinfo.aiflags & AI_PURSUE_TEMP)
|
|
{
|
|
// dprint("was temp goal; retrying original\n");
|
|
self->monsterinfo.aiflags &= ~AI_PURSUE_TEMP;
|
|
marker = NULL;
|
|
VectorCopy (self->monsterinfo.saved_goal, self->monsterinfo.last_sighting);
|
|
new = true;
|
|
}
|
|
else if (self->monsterinfo.aiflags & AI_PURSUIT_LAST_SEEN)
|
|
{
|
|
self->monsterinfo.aiflags &= ~AI_PURSUIT_LAST_SEEN;
|
|
marker = PlayerTrail_PickFirst (self);
|
|
}
|
|
else
|
|
{
|
|
marker = PlayerTrail_PickNext (self);
|
|
}
|
|
|
|
if (marker)
|
|
{
|
|
VectorCopy (marker->s.origin, self->monsterinfo.last_sighting);
|
|
self->monsterinfo.trail_time = marker->timestamp;
|
|
self->s.angles[YAW] = self->ideal_yaw = marker->s.angles[YAW];
|
|
// dprint("heading is "); dprint(ftos(self.ideal_yaw)); dprint("\n");
|
|
|
|
// debug_drawline(self.origin, self.last_sighting, 52);
|
|
new = true;
|
|
}
|
|
}
|
|
|
|
VectorSubtract (self->s.origin, self->monsterinfo.last_sighting, v);
|
|
d1 = VectorLength(v);
|
|
if (d1 <= dist)
|
|
{
|
|
self->monsterinfo.aiflags |= AI_PURSUE_NEXT;
|
|
dist = d1;
|
|
}
|
|
|
|
VectorCopy (self->monsterinfo.last_sighting, self->goalentity->s.origin);
|
|
|
|
if (new)
|
|
{
|
|
tr = gi.trace(self->s.origin, self->mins, self->maxs, self->monsterinfo.last_sighting, self, MASK_PLAYERSOLID);
|
|
if (tr.fraction < 1)
|
|
{
|
|
VectorSubtract (self->goalentity->s.origin, self->s.origin, v);
|
|
d1 = VectorLength(v);
|
|
center = tr.fraction;
|
|
d2 = d1 * ((center+1)/2);
|
|
self->s.angles[YAW] = self->ideal_yaw = vectoyaw(v);
|
|
AngleVectors(self->s.angles, v_forward, v_right, NULL);
|
|
|
|
VectorSet(v, d2, -16, 0);
|
|
G_ProjectSource (self->s.origin, v, v_forward, v_right, left_target);
|
|
tr = gi.trace(self->s.origin, self->mins, self->maxs, left_target, self, MASK_PLAYERSOLID);
|
|
left = tr.fraction;
|
|
|
|
VectorSet(v, d2, 16, 0);
|
|
G_ProjectSource (self->s.origin, v, v_forward, v_right, right_target);
|
|
tr = gi.trace(self->s.origin, self->mins, self->maxs, right_target, self, MASK_PLAYERSOLID);
|
|
right = tr.fraction;
|
|
|
|
center = (d1*center)/d2;
|
|
if (left >= center && left > right)
|
|
{
|
|
if (left < 1)
|
|
{
|
|
VectorSet(v, d2 * left * 0.5, -16, 0);
|
|
G_ProjectSource (self->s.origin, v, v_forward, v_right, left_target);
|
|
}
|
|
VectorCopy (self->monsterinfo.last_sighting, self->monsterinfo.saved_goal);
|
|
self->monsterinfo.aiflags |= AI_PURSUE_TEMP;
|
|
VectorCopy (left_target, self->goalentity->s.origin);
|
|
VectorCopy (left_target, self->monsterinfo.last_sighting);
|
|
VectorSubtract (self->goalentity->s.origin, self->s.origin, v);
|
|
self->s.angles[YAW] = self->ideal_yaw = vectoyaw(v);
|
|
}
|
|
else if (right >= center && right > left)
|
|
{
|
|
if (right < 1)
|
|
{
|
|
VectorSet(v, d2 * right * 0.5, 16, 0);
|
|
G_ProjectSource (self->s.origin, v, v_forward, v_right, right_target);
|
|
}
|
|
VectorCopy (self->monsterinfo.last_sighting, self->monsterinfo.saved_goal);
|
|
self->monsterinfo.aiflags |= AI_PURSUE_TEMP;
|
|
VectorCopy (right_target, self->goalentity->s.origin);
|
|
VectorCopy (right_target, self->monsterinfo.last_sighting);
|
|
VectorSubtract (self->goalentity->s.origin, self->s.origin, v);
|
|
self->s.angles[YAW] = self->ideal_yaw = vectoyaw(v);
|
|
}
|
|
}
|
|
}
|
|
|
|
M_MoveToGoal (self, dist);
|
|
if(!self->inuse)
|
|
return;
|
|
|
|
G_FreeEdict(tempgoal);
|
|
|
|
if (self)
|
|
self->goalentity = save;
|
|
}
|
|
|
|
static int chase_angle[] = {270,450,225,495,540};
|
|
bool ai_chicken (edict_t *self, edict_t *badguy)
|
|
{
|
|
int i;
|
|
edict_t *thing;
|
|
vec3_t atk, dir, best_dir, end, forward;
|
|
vec_t travel, yaw;
|
|
vec3_t mins, maxs;
|
|
vec3_t testpos;
|
|
vec_t best_dist=0;
|
|
trace_t trace1, trace2;
|
|
|
|
// No point in hiding from attacker if he's gone
|
|
if(!badguy || !badguy->inuse)
|
|
return false;
|
|
|
|
if(!self || !self->inuse || (self->health <= 0))
|
|
return false;
|
|
|
|
if(!actorchicken->value)
|
|
return false;
|
|
|
|
// If we've already been here, quit
|
|
if(self->monsterinfo.aiflags & AI_CHICKEN)
|
|
{
|
|
if(self->movetarget && (self->movetarget->class_id == ENTITY_THING))
|
|
return true;
|
|
}
|
|
|
|
VectorCopy(self->mins,mins);
|
|
mins[2] += 18;
|
|
if(mins[2] > 0) mins[2] = 0;
|
|
VectorCopy(self->maxs,maxs);
|
|
|
|
// Find a vector that will hide the actor from his enemy
|
|
VectorCopy(badguy->s.origin,atk);
|
|
atk[2] += badguy->viewheight;
|
|
VectorClear(best_dir);
|
|
AngleVectors(self->s.angles,forward,NULL,NULL);
|
|
dir[2] = 0;
|
|
for(travel=512; travel>63 && best_dist == 0; travel /= 2)
|
|
{
|
|
for(i=0; i<5 && best_dist == 0; i++)
|
|
{
|
|
yaw = self->s.angles[YAW] + chase_angle[i];
|
|
yaw = (int)(yaw/45)*45;
|
|
yaw = anglemod(yaw);
|
|
yaw *= M_PI/180;
|
|
dir[0] = cos(yaw);
|
|
dir[1] = sin(yaw);
|
|
VectorMA(self->s.origin,travel,dir,end);
|
|
trace1 = gi.trace(self->s.origin,mins,maxs,end,self,MASK_MONSTERSOLID);
|
|
// Test whether proposed position can be seen by badguy. Test
|
|
// isn't foolproof - tests against 1) new origin, 2) new origin + maxs,
|
|
// 3) new origin + mins, and 4) new origin + min x,y, max z.
|
|
trace2 = gi.trace(trace1.endpos,NULL,NULL,atk,self,MASK_SOLID);
|
|
if(trace2.fraction == 1.0) continue;
|
|
|
|
VectorAdd(trace1.endpos,self->maxs,testpos);
|
|
trace2 = gi.trace(testpos,NULL,NULL,atk,self,MASK_SOLID);
|
|
if(trace2.fraction == 1.0) continue;
|
|
|
|
VectorAdd(trace1.endpos,self->mins,testpos);
|
|
trace2 = gi.trace(testpos,NULL,NULL,atk,self,MASK_SOLID);
|
|
if(trace2.fraction == 1.0) continue;
|
|
|
|
testpos[2] = trace1.endpos[2] + self->maxs[2];
|
|
trace2 = gi.trace(testpos,NULL,NULL,atk,self,MASK_SOLID);
|
|
if(trace2.fraction == 1.0) continue;
|
|
|
|
best_dist = trace1.fraction * travel;
|
|
if(best_dist < 32) // not much point to this move
|
|
continue;
|
|
VectorCopy(dir,best_dir);
|
|
}
|
|
}
|
|
return false;
|
|
|
|
if(best_dist < 32)
|
|
return false;
|
|
|
|
// This snaps the angles, which may not be all that good but it sure
|
|
// is quicker than turning in place
|
|
vectoangles(best_dir,self->s.angles);
|
|
thing = SpawnThing();
|
|
VectorMA(self->s.origin,best_dist,best_dir,thing->s.origin);
|
|
thing->touch_debounce_time = level.time + 3.0;
|
|
thing->target_ent = self;
|
|
ED_CallSpawn(thing);
|
|
self->movetarget = self->goalentity = thing;
|
|
self->monsterinfo.aiflags &= ~(AI_SOUND_TARGET | AI_STAND_GROUND | AI_TEMP_STAND_GROUND);
|
|
self->monsterinfo.pausetime = 0;
|
|
self->monsterinfo.aiflags |= (AI_CHASE_THING | AI_CHICKEN);
|
|
gi.linkentity(self);
|
|
self->monsterinfo.run(self);
|
|
self->monsterinfo.chicken_framenum = level.framenum;
|
|
return true;
|
|
}
|