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jedi-outcast/code/game/g_nav.cpp

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// leave this line at the top for all g_xxxx.cpp files...
#include "g_headers.h"
#include "b_local.h"
#include "g_nav.h"
#include "g_navigator.h"
//Global navigator
CNavigator navigator;
extern qboolean G_FindClosestPointOnLineSegment( const vec3_t start, const vec3_t end, const vec3_t from, vec3_t result );
extern void G_AddVoiceEvent( gentity_t *self, int event, int speakDebounceTime );
//For debug graphics
extern void CG_Line( vec3_t start, vec3_t end, vec3_t color, float alpha );
extern void CG_Cube( vec3_t mins, vec3_t maxs, vec3_t color, float alpha );
extern void CG_CubeOutline( vec3_t mins, vec3_t maxs, int time, unsigned int color, float alpha );
qboolean NAV_CheckAhead( gentity_t *self, vec3_t end, trace_t &trace, int clipmask );
void NAV_StoreWaypoint( gentity_t *ent );
extern vec3_t NPCDEBUG_RED;
/*
-------------------------
NPC_Blocked
-------------------------
*/
void NPC_Blocked( gentity_t *self, gentity_t *blocker )
{
if ( self->NPC == NULL )
return;
//Don't do this too often
if ( self->NPC->blockedSpeechDebounceTime > level.time )
return;
//Attempt to run any blocked scripts
if ( G_ActivateBehavior( self, BSET_BLOCKED ) )
{
return;
}
//If this is one of our enemies, then just attack him
if ( blocker->client && ( blocker->client->playerTeam == self->client->enemyTeam ) )
{
G_SetEnemy( self, blocker );
return;
}
Debug_Printf( debugNPCAI, DEBUG_LEVEL_WARNING, "%s: Excuse me, %s %s!\n", self->targetname, blocker->classname, blocker->targetname );
//If we're being blocked by the player, say something to them
if ( ( blocker->s.number == 0 ) && ( ( blocker->client->playerTeam == self->client->playerTeam ) ) )
{
//guys in formation are not trying to get to a critical point,
//don't make them yell at the player (unless they have an enemy and
//are in combat because BP thinks it sounds cool during battle)
//NOTE: only imperials, misc crewmen and hazard team have these wav files now
//G_AddVoiceEvent( self, Q_irand(EV_BLOCKED1, EV_BLOCKED3), 0 );
}
self->NPC->blockedSpeechDebounceTime = level.time + MIN_BLOCKED_SPEECH_TIME + ( random() * 4000 );
self->NPC->blockingEntNum = blocker->s.number;
}
/*
-------------------------
NPC_SetMoveGoal
-------------------------
*/
void NPC_SetMoveGoal( gentity_t *ent, vec3_t point, int radius, qboolean isNavGoal, int combatPoint, gentity_t *targetEnt )
{
//Must be an NPC
if ( ent->NPC == NULL )
return;
//Copy the origin
//VectorCopy( point, ent->NPC->goalPoint ); //FIXME: Make it use this, and this alone!
VectorCopy( point, ent->NPC->tempGoal->currentOrigin );
//Copy the mins and maxs to the tempGoal
VectorCopy( ent->mins, ent->NPC->tempGoal->mins );
VectorCopy( ent->mins, ent->NPC->tempGoal->maxs );
ent->NPC->tempGoal->target = NULL;
ent->NPC->tempGoal->clipmask = ent->clipmask;
ent->NPC->tempGoal->svFlags &= ~SVF_NAVGOAL;
ent->NPC->tempGoal->waypoint = WAYPOINT_NONE;
ent->NPC->tempGoal->noWaypointTime = 0;
if ( isNavGoal )
ent->NPC->tempGoal->svFlags |= SVF_NAVGOAL;
ent->NPC->tempGoal->combatPoint = combatPoint;
ent->NPC->tempGoal->enemy = targetEnt;
ent->NPC->goalEntity = ent->NPC->tempGoal;
ent->NPC->goalRadius = radius;
gi.linkentity( ent->NPC->goalEntity );
}
/*
-------------------------
NAV_HitNavGoal
-------------------------
*/
qboolean NAV_HitNavGoal( vec3_t point, vec3_t mins, vec3_t maxs, vec3_t dest, int radius )
{
vec3_t dmins, dmaxs, pmins, pmaxs;
if ( radius & NAVGOAL_USE_RADIUS )
{
radius &= ~NAVGOAL_USE_RADIUS;
//NOTE: This needs to do a DistanceSquared on navgoals that had
// a radius manually set! We can't do the smaller navgoals against
// walls to get around this because player-sized traces to them
// from angles will not work... - MCG
//FIXME: Allow for a little z difference?
return ( DistanceSquared(dest, point) <= (radius*radius) );
//There is probably a better way to do this, either by preserving the original
// mins and maxs of the navgoal and doing this check ONLY if the radius
// is non-zero (like the original implementation) or some boolean to
// tell us to do this check rather than the fake bbox overlap check...
}
else
{
//Construct a dummy bounding box from our radius value
VectorSet( dmins, -radius, -radius, -radius );
VectorSet( dmaxs, radius, radius, radius );
//Translate it
VectorAdd( dmins, dest, dmins );
VectorAdd( dmaxs, dest, dmaxs );
//Translate the starting box
VectorAdd( point, mins, pmins );
VectorAdd( point, maxs, pmaxs );
//See if they overlap
return G_BoundsOverlap( pmins, pmaxs, dmins, dmaxs );
}
}
/*
-------------------------
NAV_ClearPathToPoint
-------------------------
*/
qboolean NAV_ClearPathToPoint( gentity_t *self, vec3_t pmins, vec3_t pmaxs, vec3_t point, int clipmask, int okToHitEntNum )
{
// trace_t trace;
// return NAV_CheckAhead( self, point, trace, clipmask|CONTENTS_BOTCLIP );
vec3_t mins, maxs;
trace_t trace;
//Test if they're even conceivably close to one another
if ( !gi.inPVS( self->currentOrigin, point ) )
return qfalse;
if ( self->svFlags & SVF_NAVGOAL )
{
if ( !self->owner )
{
//SHOULD NEVER HAPPEN!!!
assert(0);
return qfalse;
}
VectorCopy( self->owner->mins, mins );
VectorCopy( self->owner->maxs, maxs );
}
else
{
VectorCopy( pmins, mins );
VectorCopy( pmaxs, maxs );
}
if ( self->client || ( self->svFlags & SVF_NAVGOAL ) )
{
//Clients can step up things, or if this is a navgoal check, a client will be using this info
mins[2] += STEPSIZE;
//don't let box get inverted
if ( mins[2] > maxs[2] )
{
mins[2] = maxs[2];
}
}
if ( self->svFlags & SVF_NAVGOAL )
{
//Trace from point to navgoal
gi.trace( &trace, point, mins, maxs, self->currentOrigin, self->owner->s.number, (clipmask|CONTENTS_MONSTERCLIP|CONTENTS_BOTCLIP)&~CONTENTS_BODY );
if ( trace.startsolid&&(trace.contents&CONTENTS_BOTCLIP) )
{//started inside do not enter, so ignore them
clipmask &= ~CONTENTS_BOTCLIP;
gi.trace( &trace, point, mins, maxs, self->currentOrigin, self->owner->s.number, (clipmask|CONTENTS_MONSTERCLIP)&~CONTENTS_BODY );
}
if ( trace.startsolid || trace.allsolid )
{
return qfalse;
}
//Made it
if ( trace.fraction == 1.0 )
{
return qtrue;
}
if ( okToHitEntNum != ENTITYNUM_NONE && trace.entityNum == okToHitEntNum )
{
return qtrue;
}
//Okay, didn't get all the way there, let's see if we got close enough:
if ( NAV_HitNavGoal( self->currentOrigin, self->owner->mins, self->owner->maxs, trace.endpos, NPCInfo->goalRadius ) )
{
return qtrue;
}
else
{
if ( NAVDEBUG_showCollision )
{
if ( trace.entityNum < ENTITYNUM_WORLD && (&g_entities[trace.entityNum] != NULL) && !g_entities[trace.entityNum].bmodel )
{
vec3_t p1, p2;
CG_DrawEdge( point, trace.endpos, EDGE_PATH );
VectorAdd(g_entities[trace.entityNum].mins, g_entities[trace.entityNum].currentOrigin, p1);
VectorAdd(g_entities[trace.entityNum].maxs, g_entities[trace.entityNum].currentOrigin, p2);
CG_CubeOutline( p1, p2, FRAMETIME, 0x0000ff, 0.5 );
}
//FIXME: if it is a bmodel, light up the surf?
}
}
}
else
{
gi.trace( &trace, self->currentOrigin, mins, maxs, point, self->s.number, clipmask|CONTENTS_MONSTERCLIP|CONTENTS_BOTCLIP);
if ( trace.startsolid&&(trace.contents&CONTENTS_BOTCLIP) )
{//started inside do not enter, so ignore them
clipmask &= ~CONTENTS_BOTCLIP;
gi.trace( &trace, self->currentOrigin, mins, maxs, point, self->s.number, clipmask|CONTENTS_MONSTERCLIP);
}
if( ( ( trace.startsolid == qfalse ) && ( trace.allsolid == qfalse ) ) && ( trace.fraction == 1.0f ) )
{//FIXME: check for drops
return qtrue;
}
if ( okToHitEntNum != ENTITYNUM_NONE && trace.entityNum == okToHitEntNum )
{
return qtrue;
}
if ( NAVDEBUG_showCollision )
{
if ( trace.entityNum < ENTITYNUM_WORLD && (&g_entities[trace.entityNum] != NULL) && !g_entities[trace.entityNum].bmodel )
{
vec3_t p1, p2;
CG_DrawEdge( self->currentOrigin, trace.endpos, EDGE_PATH );
VectorAdd(g_entities[trace.entityNum].mins, g_entities[trace.entityNum].currentOrigin, p1);
VectorAdd(g_entities[trace.entityNum].maxs, g_entities[trace.entityNum].currentOrigin, p2);
CG_CubeOutline( p1, p2, FRAMETIME, 0x0000ff, 0.5 );
}
//FIXME: if it is a bmodel, light up the surf?
}
}
return qfalse;
}
/*
-------------------------
NAV_FindClosestWaypointForEnt
-------------------------
*/
int NAV_FindClosestWaypointForEnt( gentity_t *ent, int targWp )
{
//FIXME: Take the target into account
return navigator.GetNearestNode( ent, ent->waypoint, NF_CLEAR_PATH, targWp );
}
int NAV_FindClosestWaypointForPoint( gentity_t *ent, vec3_t point )
{
int bestWP;
//FIXME: can we make this a static ent?
static gentity_t *marker = G_Spawn();
if ( !marker )
{
return WAYPOINT_NONE;
}
G_SetOrigin( marker, point );
VectorCopy( ent->mins, marker->mins );//stepsize?
VectorCopy( ent->mins, marker->maxs );//crouching?
marker->clipmask = ent->clipmask;
marker->waypoint = WAYPOINT_NONE;
bestWP = navigator.GetNearestNode( marker, marker->waypoint, NF_CLEAR_PATH, WAYPOINT_NONE );
G_FreeEntity( marker );
return bestWP;
}
int NAV_FindClosestWaypointForPoint( vec3_t point )
{
int bestWP;
//FIXME: can we make this a static ent?
gentity_t *marker = G_Spawn();
if ( !marker )
{
return WAYPOINT_NONE;
}
G_SetOrigin( marker, point );
VectorSet( marker->mins, -16, -16, -6 );//includes stepsize
VectorSet( marker->maxs, 16, 16, 32 );
marker->clipmask = MASK_NPCSOLID;
marker->waypoint = WAYPOINT_NONE;
bestWP = navigator.GetNearestNode( marker, marker->waypoint, NF_CLEAR_PATH, WAYPOINT_NONE );
G_FreeEntity( marker );
return bestWP;
}
/*
-------------------------
NAV_ClearBlockedInfo
-------------------------
*/
void NAV_ClearBlockedInfo( gentity_t *self )
{
self->NPC->aiFlags &= ~NPCAI_BLOCKED;
self->NPC->blockingEntNum = ENTITYNUM_WORLD;
}
/*
-------------------------
NAV_SetBlockedInfo
-------------------------
*/
void NAV_SetBlockedInfo( gentity_t *self, int entId )
{
self->NPC->aiFlags |= NPCAI_BLOCKED;
self->NPC->blockingEntNum = entId;
}
/*
-------------------------
NAV_Steer
-------------------------
*/
int NAV_Steer( gentity_t *self, vec3_t dir, float distance )
{
vec3_t right_test, left_test;
vec3_t deviation;
float right_ang = dir[YAW] + 45;
float left_ang = dir[YAW] - 45;
//Get the steering angles
VectorCopy( dir, deviation );
deviation[YAW] = right_ang;
AngleVectors( deviation, right_test, NULL, NULL );
deviation[YAW] = left_ang;
AngleVectors( deviation, left_test, NULL, NULL );
//Find the end positions
VectorMA( self->currentOrigin, distance, right_test, right_test );
VectorMA( self->currentOrigin, distance, left_test, left_test );
//Draw for debug purposes
if ( NAVDEBUG_showCollision )
{
CG_DrawEdge( self->currentOrigin, right_test, EDGE_PATH );
CG_DrawEdge( self->currentOrigin, left_test, EDGE_PATH );
}
//Find the right influence
trace_t tr;
NAV_CheckAhead( self, right_test, tr, self->clipmask|CONTENTS_BOTCLIP );
float right_push = -45 * ( 1.0f - tr.fraction );
//Find the left influence
NAV_CheckAhead( self, left_test, tr, self->clipmask|CONTENTS_BOTCLIP );
float left_push = 45 * ( 1.0f - tr.fraction );
//Influence the mover to respond to the steering
VectorCopy( dir, deviation );
deviation[YAW] += ( left_push + right_push );
return deviation[YAW];
}
/*
-------------------------
NAV_CheckAhead
-------------------------
*/
qboolean NAV_CheckAhead( gentity_t *self, vec3_t end, trace_t &trace, int clipmask )
{
vec3_t mins;
//Offset the step height
VectorSet( mins, self->mins[0], self->mins[1], self->mins[2] + STEPSIZE );
gi.trace( &trace, self->currentOrigin, mins, self->maxs, end, self->s.number, clipmask );
if ( trace.startsolid&&(trace.contents&CONTENTS_BOTCLIP) )
{//started inside do not enter, so ignore them
clipmask &= ~CONTENTS_BOTCLIP;
gi.trace( &trace, self->currentOrigin, mins, self->maxs, end, self->s.number, clipmask );
}
//Do a simple check
if ( ( trace.allsolid == qfalse ) && ( trace.startsolid == qfalse ) && ( trace.fraction == 1.0f ) )
return qtrue;
//See if we're too far above
if ( fabs( self->currentOrigin[2] - end[2] ) > 48 )
return qfalse;
//This is a work around
float radius = ( self->maxs[0] > self->maxs[1] ) ? self->maxs[0] : self->maxs[1];
float dist = Distance( self->currentOrigin, end );
float tFrac = 1.0f - ( radius / dist );
if ( trace.fraction >= tFrac )
return qtrue;
//Do a special check for doors
if ( trace.entityNum < ENTITYNUM_WORLD )
{
gentity_t *blocker = &g_entities[trace.entityNum];
if VALIDSTRING( blocker->classname )
{
if ( Q_stricmp( blocker->classname, "func_door" ) == 0 )
{
//We're too close, try and avoid the door (most likely stuck on a lip)
if ( DistanceSquared( self->currentOrigin, trace.endpos ) < MIN_DOOR_BLOCK_DIST_SQR )
return qfalse;
return qtrue;
}
}
}
return qfalse;
}
/*
-------------------------
NAV_TestBypass
-------------------------
*/
static qboolean NAV_TestBypass( gentity_t *self, float yaw, float blocked_dist, vec3_t movedir )
{
trace_t tr;
vec3_t avoidAngles;
vec3_t block_test, block_pos;
VectorClear( avoidAngles );
avoidAngles[YAW] = yaw;
AngleVectors( avoidAngles, block_test, NULL, NULL );
VectorMA( self->currentOrigin, blocked_dist, block_test, block_pos );
if ( NAVDEBUG_showCollision )
{
CG_DrawEdge( self->currentOrigin, block_pos, EDGE_BLOCKED );
}
//See if we're clear to move in that direction
if ( NAV_CheckAhead( self, block_pos, tr, ( self->clipmask & ~CONTENTS_BODY )|CONTENTS_BOTCLIP ) )
{
VectorCopy( block_test, movedir );
return qtrue;
}
return qfalse;
}
/*
-------------------------
NAV_Bypass
-------------------------
*/
qboolean NAV_Bypass( gentity_t *self, gentity_t *blocker, vec3_t blocked_dir, float blocked_dist, vec3_t movedir )
{
float dot;
vec3_t right;
//Draw debug info if requested
if ( NAVDEBUG_showCollision )
{
CG_DrawEdge( self->currentOrigin, blocker->currentOrigin, EDGE_NORMAL );
}
AngleVectors( self->currentAngles, NULL, right, NULL );
//Get the blocked direction
float yaw = vectoyaw( blocked_dir );
//Get the avoid radius
float avoidRadius = sqrt( ( blocker->maxs[0] * blocker->maxs[0] ) + ( blocker->maxs[1] * blocker->maxs[1] ) ) +
sqrt( ( self->maxs[0] * self->maxs[0] ) + ( self->maxs[1] * self->maxs[1] ) );
//See if we're inside our avoidance radius
float arcAngle = ( blocked_dist <= avoidRadius ) ? 135 : ( ( avoidRadius / blocked_dist ) * 90 );
//FIXME: Although the below code will cause the NPC to take the "better" route, it can cause NPCs to become stuck on
// one another in certain situations where both decide to take the same direction.
//Check to see what dir the other guy is moving in (if any) and pick the opposite dir
if ( blocker->client && !VectorCompare( blocker->client->ps.velocity, vec3_origin ) )
{
vec3_t blocker_movedir;
VectorNormalize2( blocker->client->ps.velocity, blocker_movedir );
dot = DotProduct( blocker_movedir, blocked_dir );
if ( dot < 0.35f && dot > -0.35f )
{//he's moving to the side of me
vec3_t block_pos;
trace_t tr;
VectorScale( blocker_movedir, -1, blocker_movedir );
VectorMA( self->currentOrigin, blocked_dist, blocker_movedir, block_pos );
if ( NAV_CheckAhead( self, block_pos, tr, ( self->clipmask & ~CONTENTS_BODY )|CONTENTS_BOTCLIP ) )
{
VectorCopy( blocker_movedir, movedir );
return qtrue;
}
}
}
//FIXME: this makes NPCs stack up and ping-pong like crazy.
// Need to keep track of this and stop trying after a while
dot = DotProduct( blocked_dir, right );
//Go right on the first try if that works better
if ( dot < 0.0f )
arcAngle *= -1;
//Test full, best position first
if ( NAV_TestBypass( self, AngleNormalize360( yaw + arcAngle ), blocked_dist, movedir ) )
return qtrue;
//Try a smaller arc
if ( NAV_TestBypass( self, AngleNormalize360( yaw + ( arcAngle * 0.5f ) ), blocked_dist, movedir ) )
return qtrue;
//Try the other direction
if ( NAV_TestBypass( self, AngleNormalize360( yaw + ( arcAngle * -1 ) ), blocked_dist, movedir ) )
return qtrue;
//Try the other direction more precisely
if ( NAV_TestBypass( self, AngleNormalize360( yaw + ( ( arcAngle * -1 ) * 0.5f ) ), blocked_dist, movedir ) )
return qtrue;
//Unable to go around
return qfalse;
}
/*
-------------------------
NAV_MoveBlocker
-------------------------
*/
qboolean NAV_MoveBlocker( gentity_t *self, vec3_t shove_dir )
{
//FIXME: This is a temporary method for making blockers move
//FIXME: This will, of course, push blockers off of cliffs, into walls and all over the place
vec3_t temp_dir, forward;
vectoangles( shove_dir, temp_dir );
temp_dir[YAW] += 45;
AngleVectors( temp_dir, forward, NULL, NULL );
VectorScale( forward, SHOVE_SPEED, self->client->ps.velocity );
self->client->ps.velocity[2] += SHOVE_LIFT;
//self->NPC->shoveDebounce = level.time + 100;
return qtrue;
}
/*
-------------------------
NAV_ResolveBlock
-------------------------
*/
qboolean NAV_ResolveBlock( gentity_t *self, gentity_t *blocker, vec3_t blocked_dir )
{
//Stop double waiting
if ( ( blocker->NPC ) && ( blocker->NPC->blockingEntNum == self->s.number ) )
return qtrue;
//For now, just complain about it
NPC_Blocked( self, blocker );
NPC_FaceEntity( blocker );
return qfalse;
}
/*
-------------------------
NAV_TrueCollision
-------------------------
*/
qboolean NAV_TrueCollision( gentity_t *self, gentity_t *blocker, vec3_t movedir, vec3_t blocked_dir )
{
//TODO: Handle all ents
if ( blocker->client == NULL )
return qfalse;
vec3_t velocityDir;
//Get the player's move direction and speed
float speed = VectorNormalize2( self->client->ps.velocity, velocityDir );
//See if it's even feasible
float dot = DotProduct( movedir, velocityDir );
if ( dot < 0.85 )
return qfalse;
vec3_t testPos;
vec3_t ptmins, ptmaxs, tmins, tmaxs;
VectorMA( self->currentOrigin, speed*FRAMETIME, velocityDir, testPos );
VectorAdd( blocker->currentOrigin, blocker->mins, tmins );
VectorAdd( blocker->currentOrigin, blocker->maxs, tmaxs );
VectorAdd( testPos, self->mins, ptmins );
VectorAdd( testPos, self->maxs, ptmaxs );
if ( G_BoundsOverlap( ptmins, ptmaxs, tmins, tmaxs ) )
{
VectorCopy( velocityDir, blocked_dir );
return qtrue;
}
return qfalse;
}
/*
-------------------------
NAV_StackedCanyon
-------------------------
*/
qboolean NAV_StackedCanyon( gentity_t *self, gentity_t *blocker, vec3_t pathDir )
{
vec3_t perp, cross, test;
float avoidRadius;
int extraClip = CONTENTS_BOTCLIP;
PerpendicularVector( perp, pathDir );
CrossProduct( pathDir, perp, cross );
avoidRadius = sqrt( ( blocker->maxs[0] * blocker->maxs[0] ) + ( blocker->maxs[1] * blocker->maxs[1] ) ) +
sqrt( ( self->maxs[0] * self->maxs[0] ) + ( self->maxs[1] * self->maxs[1] ) );
VectorMA( blocker->currentOrigin, avoidRadius, cross, test );
trace_t tr;
gi.trace( &tr, test, self->mins, self->maxs, test, self->s.number, self->clipmask|extraClip );
if ( tr.startsolid&&(tr.contents&CONTENTS_BOTCLIP) )
{//started inside do not enter, so ignore them
extraClip &= ~CONTENTS_BOTCLIP;
gi.trace( &tr, test, self->mins, self->maxs, test, self->s.number, self->clipmask|extraClip );
}
if ( NAVDEBUG_showCollision )
{
vec3_t mins, maxs;
vec3_t RED = { 1.0f, 0.0f, 0.0f };
VectorAdd( test, self->mins, mins );
VectorAdd( test, self->maxs, maxs );
CG_Cube( mins, maxs, RED, 0.25 );
}
if ( tr.startsolid == qfalse && tr.allsolid == qfalse )
return qfalse;
VectorMA( blocker->currentOrigin, -avoidRadius, cross, test );
gi.trace( &tr, test, self->mins, self->maxs, test, self->s.number, self->clipmask|extraClip );
if ( tr.startsolid&&(tr.contents&CONTENTS_BOTCLIP) )
{//started inside do not enter, so ignore them
extraClip &= ~CONTENTS_BOTCLIP;
gi.trace( &tr, test, self->mins, self->maxs, test, self->s.number, self->clipmask|extraClip );
}
if ( tr.startsolid == qfalse && tr.allsolid == qfalse )
return qfalse;
if ( NAVDEBUG_showCollision )
{
vec3_t mins, maxs;
vec3_t RED = { 1.0f, 0.0f, 0.0f };
VectorAdd( test, self->mins, mins );
VectorAdd( test, self->maxs, maxs );
CG_Cube( mins, maxs, RED, 0.25 );
}
return qtrue;
}
/*
-------------------------
NAV_ResolveEntityCollision
-------------------------
*/
qboolean NAV_ResolveEntityCollision( gentity_t *self, gentity_t *blocker, vec3_t movedir, vec3_t pathDir )
{
vec3_t blocked_dir;
//Doors are ignored
if ( Q_stricmp( blocker->classname, "func_door" ) == 0 )
{
if ( DistanceSquared( self->currentOrigin, blocker->currentOrigin ) > MIN_DOOR_BLOCK_DIST_SQR )
return qtrue;
}
VectorSubtract( blocker->currentOrigin, self->currentOrigin, blocked_dir );
float blocked_dist = VectorNormalize( blocked_dir );
//Make sure an actual collision is going to happen
// if ( NAV_PredictCollision( self, blocker, movedir, blocked_dir ) == qfalse )
// return qtrue;
//See if we can get around the blocker at all (only for player!)
if ( blocker->s.number == 0 )
{
if ( NAV_StackedCanyon( self, blocker, pathDir ) )
{
NPC_Blocked( self, blocker );
NPC_FaceEntity( blocker, qtrue );
return qfalse;
}
}
//First, attempt to walk around the blocker
if ( NAV_Bypass( self, blocker, blocked_dir, blocked_dist, movedir ) )
return qtrue;
//Second, attempt to calculate a good move position for the blocker
if ( NAV_ResolveBlock( self, blocker, blocked_dir ) )
return qtrue;
return qfalse;
}
/*
-------------------------
NAV_TestForBlocked
-------------------------
*/
qboolean NAV_TestForBlocked( gentity_t *self, gentity_t *goal, gentity_t *blocker, float distance, int &flags )
{
if ( goal == NULL )
return qfalse;
if ( blocker->s.eType == ET_ITEM )
return qfalse;
if ( NAV_HitNavGoal( blocker->currentOrigin, blocker->mins, blocker->maxs, goal->currentOrigin, 12 ) )
{
flags |= NIF_BLOCKED;
if ( distance <= MIN_STOP_DIST )
{
NPC_Blocked( self, blocker );
NPC_FaceEntity( blocker );
return qtrue;
}
}
return qfalse;
}
/*
-------------------------
NAV_AvoidCollsion
-------------------------
*/
qboolean NAV_AvoidCollision( gentity_t *self, gentity_t *goal, navInfo_t &info )
{
vec3_t movedir;
vec3_t movepos;
//Clear our block info for this frame
NAV_ClearBlockedInfo( NPC );
//Cap our distance
if ( info.distance > MAX_COLL_AVOID_DIST )
{
info.distance = MAX_COLL_AVOID_DIST;
}
//Get an end position
VectorMA( self->currentOrigin, info.distance, info.direction, movepos );
VectorCopy( info.direction, movedir );
//Now test against entities
if ( NAV_CheckAhead( self, movepos, info.trace, CONTENTS_BODY ) == qfalse )
{
//Get the blocker
info.blocker = &g_entities[ info.trace.entityNum ];
info.flags |= NIF_COLLISION;
//Ok to hit our goal entity
if ( goal == info.blocker )
return qtrue;
//See if we're moving along with them
//if ( NAV_TrueCollision( self, info.blocker, movedir, info.direction ) == qfalse )
// return qtrue;
//Test for blocking by standing on goal
if ( NAV_TestForBlocked( self, goal, info.blocker, info.distance, info.flags ) == qtrue )
return qfalse;
//If the above function said we're blocked, don't do the extra checks
if ( info.flags & NIF_BLOCKED )
return qtrue;
//See if we can get that entity to move out of our way
if ( NAV_ResolveEntityCollision( self, info.blocker, movedir, info.pathDirection ) == qfalse )
return qfalse;
VectorCopy( movedir, info.direction );
return qtrue;
}
//Our path is clear, just move there
if ( NAVDEBUG_showCollision )
{
CG_DrawEdge( self->currentOrigin, movepos, EDGE_PATH );
}
return qtrue;
}
/*
-------------------------
NAV_TestBestNode
-------------------------
*/
int NAV_TestBestNode( vec3_t position, int startID, int endID )
{
int bestNode = startID;
int testNode = navigator.GetBestNode( bestNode, endID );
vec3_t p1, p2, dir1, dir2;
navigator.GetNodePosition( bestNode, p1 );
navigator.GetNodePosition( testNode, p2 );
/*
if ( DistanceSquared( p1, p2 ) < DistanceSquared( position, p1 ) )
return testNode;
*/
VectorSubtract( p2, p1, dir1 );
//VectorNormalize( dir1 );
VectorSubtract( position, p1, dir2 );
//VectorNormalize( dir2 );
if ( DotProduct( dir1, dir2 ) > 0 )
{
trace_t trace;
if ( NAV_CheckAhead( NPC, p2, trace, (NPC->clipmask&~CONTENTS_BODY)|CONTENTS_BOTCLIP ) )
bestNode = testNode;
}
return bestNode;
}
/*
-------------------------
NAV_GetNearestNode
-------------------------
*/
int NAV_GetNearestNode( gentity_t *self, int lastNode )
{
return navigator.GetNearestNode( self, lastNode, NF_CLEAR_PATH, WAYPOINT_NONE );
}
/*
-------------------------
NAV_MicroError
-------------------------
*/
qboolean NAV_MicroError( vec3_t start, vec3_t end )
{
if ( VectorCompare( start, end ) )
{
if ( DistanceSquared( NPC->currentOrigin, start ) < (8*8) )
{
return qtrue;
}
}
return qfalse;
}
/*
-------------------------
NAV_MoveToGoal
-------------------------
*/
int NAV_MoveToGoal( gentity_t *self, navInfo_t &info )
{
//Must have a goal entity to move there
if( self->NPC->goalEntity == NULL )
return WAYPOINT_NONE;
//Check special player optimizations
if ( self->NPC->goalEntity->s.number == 0 )
{
//If we couldn't find the point, then we won't be able to this turn
if ( self->NPC->goalEntity->waypoint == WAYPOINT_NONE )
return WAYPOINT_NONE;
//NOTENOTE: Otherwise trust this waypoint for the whole frame (reduce all unnecessary calculations)
}
else
{
//Find the target's waypoint
if ( ( self->NPC->goalEntity->waypoint = NAV_GetNearestNode( self->NPC->goalEntity, self->NPC->goalEntity->waypoint ) ) == WAYPOINT_NONE )
return WAYPOINT_NONE;
}
//Find our waypoint
if ( ( self->waypoint = NAV_GetNearestNode( self, self->lastWaypoint ) ) == WAYPOINT_NONE )
return WAYPOINT_NONE;
int bestNode = navigator.GetBestNode( self->waypoint, self->NPC->goalEntity->waypoint );
if ( bestNode == WAYPOINT_NONE )
{
if ( NAVDEBUG_showEnemyPath )
{
vec3_t origin, torigin;
navigator.GetNodePosition( self->NPC->goalEntity->waypoint, torigin );
navigator.GetNodePosition( self->waypoint, origin );
CG_DrawNode( torigin, NODE_GOAL );
CG_DrawNode( origin, NODE_GOAL );
CG_DrawNode( self->NPC->goalEntity->currentOrigin, NODE_START );
}
return WAYPOINT_NONE;
}
//Check this node
bestNode = NAV_TestBestNode( self->currentOrigin, bestNode, self->NPC->goalEntity->waypoint );
vec3_t origin, end;
//trace_t trace;
//Get this position
navigator.GetNodePosition( bestNode, origin );
navigator.GetNodePosition( self->waypoint, end );
//Basically, see if the path we have isn't helping
//if ( NAV_MicroError( origin, end ) )
// return WAYPOINT_NONE;
//Test the path connection from our current position to the best node
if ( NAV_CheckAhead( self, origin, info.trace, (self->clipmask&~CONTENTS_BODY)|CONTENTS_BOTCLIP ) == qfalse )
{
//First attempt to move to the closest point on the line between the waypoints
G_FindClosestPointOnLineSegment( origin, end, self->currentOrigin, origin );
//See if we can go there
if ( NAV_CheckAhead( self, origin, info.trace, (self->clipmask&~CONTENTS_BODY)|CONTENTS_BOTCLIP ) == qfalse )
{
//Just move towards our current waypoint
bestNode = self->waypoint;
navigator.GetNodePosition( bestNode, origin );
}
}
//Setup our new move information
VectorSubtract( origin, self->currentOrigin, info.direction );
info.distance = VectorNormalize( info.direction );
VectorSubtract( end, origin, info.pathDirection );
VectorNormalize( info.pathDirection );
//Draw any debug info, if requested
if ( NAVDEBUG_showEnemyPath )
{
vec3_t dest, start;
//Get the positions
navigator.GetNodePosition( self->NPC->goalEntity->waypoint, dest );
navigator.GetNodePosition( bestNode, start );
//Draw the route
CG_DrawNode( start, NODE_START );
CG_DrawNode( dest, NODE_GOAL );
navigator.ShowPath( self->waypoint, self->NPC->goalEntity->waypoint );
}
return bestNode;
}
/*
-------------------------
waypoint_testDirection
-------------------------
*/
unsigned int waypoint_testDirection( vec3_t origin, float yaw, unsigned int minDist )
{
vec3_t trace_dir, test_pos;
vec3_t maxs, mins;
trace_t tr;
//Setup the mins and max
VectorSet( maxs, DEFAULT_MAXS_0, DEFAULT_MAXS_1, DEFAULT_MAXS_2 );
VectorSet( mins, DEFAULT_MINS_0, DEFAULT_MINS_1, DEFAULT_MINS_2 + STEPSIZE );
//Get our test direction
vec3_t angles = { 0, yaw, 0 };
AngleVectors( angles, trace_dir, NULL, NULL );
//Move ahead
// VectorMA( origin, MAX_RADIUS_CHECK, trace_dir, test_pos );
VectorMA( origin, minDist, trace_dir, test_pos );
gi.trace( &tr, origin, mins, maxs, test_pos, ENTITYNUM_NONE, ( CONTENTS_SOLID | CONTENTS_MONSTERCLIP | CONTENTS_BOTCLIP ) );
//return (unsigned int) ( (float) MAX_RADIUS_CHECK * tr.fraction );
return (unsigned int) ( (float) minDist * tr.fraction );
}
/*
-------------------------
waypoint_getRadius
-------------------------
*/
unsigned int waypoint_getRadius( gentity_t *ent )
{
unsigned int minDist = MAX_RADIUS_CHECK + 1; // (unsigned int) -1;
unsigned int dist;
for ( int i = 0; i < YAW_ITERATIONS; i++ )
{
dist = waypoint_testDirection( ent->currentOrigin, ((360.0f/YAW_ITERATIONS) * i), minDist );
if ( dist < minDist )
minDist = dist;
}
return minDist;
}
/*QUAKED waypoint (0.7 0.7 0) (-16 -16 -24) (16 16 32) SOLID_OK
a place to go.
SOLID_OK - only use if placing inside solid is unavoidable in map, but may be clear in-game (ie: at the bottom of a tall, solid lift that starts at the top position)
radius is automatically calculated in-world.
*/
void SP_waypoint ( gentity_t *ent )
{
if ( navCalculatePaths )
{
VectorSet(ent->mins, DEFAULT_MINS_0, DEFAULT_MINS_1, DEFAULT_MINS_2);
VectorSet(ent->maxs, DEFAULT_MAXS_0, DEFAULT_MAXS_1, DEFAULT_MAXS_2);
ent->contents = CONTENTS_TRIGGER;
ent->clipmask = MASK_DEADSOLID;
gi.linkentity( ent );
ent->count = -1;
ent->classname = "waypoint";
if( !(ent->spawnflags&1) && G_CheckInSolid (ent, qtrue))
{//if not SOLID_OK, and in solid
ent->maxs[2] = CROUCH_MAXS_2;
if(G_CheckInSolid (ent, qtrue))
{
gi.Printf(S_COLOR_RED"ERROR: Waypoint %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
assert(0 && "Waypoint in solid!");
#ifndef FINAL_BUILD
if (!g_entities[ENTITYNUM_WORLD].s.radius){ //not a region
G_Error("Waypoint %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
}
#endif
G_FreeEntity(ent);
return;
}
}
unsigned int radius = waypoint_getRadius( ent );
ent->health = navigator.AddRawPoint( ent->currentOrigin, ent->spawnflags, radius );
NAV_StoreWaypoint( ent );
G_FreeEntity(ent);
return;
}
G_FreeEntity(ent);
}
/*QUAKED waypoint_small (0.7 0.7 0) (-2 -2 -24) (2 2 32) SOLID_OK
SOLID_OK - only use if placing inside solid is unavoidable in map, but may be clear in-game (ie: at the bottom of a tall, solid lift that starts at the top position)
*/
void SP_waypoint_small (gentity_t *ent)
{
if ( navCalculatePaths )
{
VectorSet(ent->mins, -2, -2, DEFAULT_MINS_2);
VectorSet(ent->maxs, 2, 2, DEFAULT_MAXS_2);
ent->contents = CONTENTS_TRIGGER;
ent->clipmask = MASK_DEADSOLID;
gi.linkentity( ent );
ent->count = -1;
ent->classname = "waypoint";
if ( !(ent->spawnflags&1) && G_CheckInSolid( ent, qtrue ) )
{
ent->maxs[2] = CROUCH_MAXS_2;
if ( G_CheckInSolid( ent, qtrue ) )
{
gi.Printf(S_COLOR_RED"ERROR: Waypoint_small %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
assert(0);
#ifndef FINAL_BUILD
if (!g_entities[ENTITYNUM_WORLD].s.radius){ //not a region
G_Error("Waypoint_small %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
}
#endif
G_FreeEntity(ent);
return;
}
}
ent->health = navigator.AddRawPoint( ent->currentOrigin, ent->spawnflags, 2 );
NAV_StoreWaypoint( ent );
G_FreeEntity(ent);
return;
}
G_FreeEntity(ent);
}
/*QUAKED waypoint_navgoal (0.3 1 0.3) (-16 -16 -24) (16 16 32) SOLID_OK
A waypoint for script navgoals
Not included in navigation data
SOLID_OK - only use if placing inside solid is unavoidable in map, but may be clear in-game (ie: at the bottom of a tall, solid lift that starts at the top position)
targetname - name you would use in script when setting a navgoal (like so:)
For example: if you give this waypoint a targetname of "console", make an NPC go to it in a script like so:
set ("navgoal", "console");
radius - how far from the navgoal an ent can be before it thinks it reached it - default is "0" which means no radius check, just have to touch it
*/
void SP_waypoint_navgoal( gentity_t *ent )
{
int radius = ( ent->radius ) ? ((int)(ent->radius)|NAVGOAL_USE_RADIUS) : 12;
VectorSet( ent->mins, -16, -16, -24 );
VectorSet( ent->maxs, 16, 16, 32 );
ent->s.origin[2] += 0.125;
if ( !(ent->spawnflags&1) && G_CheckInSolid( ent, qfalse ) )
{
gi.Printf(S_COLOR_RED"ERROR: Waypoint_navgoal %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
assert(0);
#ifndef FINAL_BUILD
if (!g_entities[ENTITYNUM_WORLD].s.radius){ //not a region
G_Error("Waypoint_navgoal %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
}
#endif
}
TAG_Add( ent->targetname, NULL, ent->s.origin, ent->s.angles, radius, RTF_NAVGOAL );
ent->classname = "navgoal";
G_FreeEntity( ent );//can't do this, they need to be found later by some functions, though those could be fixed, maybe?
}
/*QUAKED waypoint_navgoal_8 (0.3 1 0.3) (-8 -8 -24) (8 8 32) SOLID_OK
A waypoint for script navgoals, 8 x 8 size
Not included in navigation data
SOLID_OK - only use if placing inside solid is unavoidable in map, but may be clear in-game (ie: at the bottom of a tall, solid lift that starts at the top position)
targetname - name you would use in script when setting a navgoal (like so:)
For example: if you give this waypoint a targetname of "console", make an NPC go to it in a script like so:
set ("navgoal", "console");
You CANNOT set a radius on these navgoals, they are touch-reach ONLY
*/
void SP_waypoint_navgoal_8( gentity_t *ent )
{
VectorSet( ent->mins, -8, -8, -24 );
VectorSet( ent->maxs, 8, 8, 32 );
ent->s.origin[2] += 0.125;
if ( !(ent->spawnflags&1) && G_CheckInSolid( ent, qfalse ) )
{
gi.Printf(S_COLOR_RED"ERROR: Waypoint_navgoal_8 %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
#ifndef FINAL_BUILD
if (!g_entities[ENTITYNUM_WORLD].s.radius){ //not a region
G_Error("Waypoint_navgoal_8 %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
}
#endif
assert(0);
}
TAG_Add( ent->targetname, NULL, ent->s.origin, ent->s.angles, 8, RTF_NAVGOAL );
ent->classname = "navgoal";
G_FreeEntity( ent );//can't do this, they need to be found later by some functions, though those could be fixed, maybe?
}
/*QUAKED waypoint_navgoal_4 (0.3 1 0.3) (-4 -4 -24) (4 4 32) SOLID_OK
A waypoint for script navgoals, 4 x 4 size
Not included in navigation data
SOLID_OK - only use if placing inside solid is unavoidable in map, but may be clear in-game (ie: at the bottom of a tall, solid lift that starts at the top position)
targetname - name you would use in script when setting a navgoal (like so:)
For example: if you give this waypoint a targetname of "console", make an NPC go to it in a script like so:
set ("navgoal", "console");
You CANNOT set a radius on these navgoals, they are touch-reach ONLY
*/
void SP_waypoint_navgoal_4( gentity_t *ent )
{
VectorSet( ent->mins, -4, -4, -24 );
VectorSet( ent->maxs, 4, 4, 32 );
ent->s.origin[2] += 0.125;
if ( !(ent->spawnflags&1) && G_CheckInSolid( ent, qfalse ) )
{
gi.Printf(S_COLOR_RED"ERROR: Waypoint_navgoal_4 %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
#ifndef FINAL_BUILD
if (!g_entities[ENTITYNUM_WORLD].s.radius){ //not a region
G_Error("Waypoint_navgoal_4 %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
}
#endif
assert(0);
}
TAG_Add( ent->targetname, NULL, ent->s.origin, ent->s.angles, 4, RTF_NAVGOAL );
ent->classname = "navgoal";
G_FreeEntity( ent );//can't do this, they need to be found later by some functions, though those could be fixed, maybe?
}
/*QUAKED waypoint_navgoal_2 (0.3 1 0.3) (-2 -2 -24) (2 2 32) SOLID_OK
A waypoint for script navgoals, 2 x 2 size
Not included in navigation data
SOLID_OK - only use if placing inside solid is unavoidable in map, but may be clear in-game (ie: at the bottom of a tall, solid lift that starts at the top position)
targetname - name you would use in script when setting a navgoal (like so:)
For example: if you give this waypoint a targetname of "console", make an NPC go to it in a script like so:
set ("navgoal", "console");
You CANNOT set a radius on these navgoals, they are touch-reach ONLY
*/
void SP_waypoint_navgoal_2( gentity_t *ent )
{
VectorSet( ent->mins, -2, -2, -24 );
VectorSet( ent->maxs, 2, 2, 32 );
ent->s.origin[2] += 0.125;
if ( !(ent->spawnflags&1) && G_CheckInSolid( ent, qfalse ) )
{
gi.Printf(S_COLOR_RED"ERROR: Waypoint_navgoal_2 %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
#ifndef FINAL_BUILD
if (!g_entities[ENTITYNUM_WORLD].s.radius){ //not a region
G_Error("Waypoint_navgoal_2 %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
}
#endif
assert(0);
}
TAG_Add( ent->targetname, NULL, ent->s.origin, ent->s.angles, 2, RTF_NAVGOAL );
ent->classname = "navgoal";
G_FreeEntity( ent );//can't do this, they need to be found later by some functions, though those could be fixed, maybe?
}
/*QUAKED waypoint_navgoal_1 (0.3 1 0.3) (-1 -1 -24) (1 1 32) SOLID_OK
A waypoint for script navgoals, 1 x 1 size
Not included in navigation data
SOLID_OK - only use if placing inside solid is unavoidable in map, but may be clear in-game (ie: at the bottom of a tall, solid lift that starts at the top position)
targetname - name you would use in script when setting a navgoal (like so:)
For example: if you give this waypoint a targetname of "console", make an NPC go to it in a script like so:
set ("navgoal", "console");
You CANNOT set a radius on these navgoals, they are touch-reach ONLY
*/
void SP_waypoint_navgoal_1( gentity_t *ent )
{
VectorSet( ent->mins, -1, -1, -24 );
VectorSet( ent->maxs, 1, 1, 32 );
ent->s.origin[2] += 0.125;
if ( !(ent->spawnflags&1) && G_CheckInSolid( ent, qfalse ) )
{
gi.Printf(S_COLOR_RED"ERROR: Waypoint_navgoal_1 %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
#ifndef FINAL_BUILD
if (!g_entities[ENTITYNUM_WORLD].s.radius){ //not a region
G_Error("Waypoint_navgoal_1 %s at %s in solid!\n", ent->targetname, vtos(ent->currentOrigin));
}
#endif
assert(0);
}
TAG_Add( ent->targetname, NULL, ent->s.origin, ent->s.angles, 1, RTF_NAVGOAL );
ent->classname = "navgoal";
G_FreeEntity( ent );//can't do this, they need to be found later by some functions, though those could be fixed, maybe?
}
/*
-------------------------
Svcmd_Nav_f
-------------------------
*/
void Svcmd_Nav_f( void )
{
char *cmd = gi.argv( 1 );
if ( Q_stricmp( cmd, "show" ) == 0 )
{
cmd = gi.argv( 2 );
if ( Q_stricmp( cmd, "all" ) == 0 )
{
NAVDEBUG_showNodes = !NAVDEBUG_showNodes;
//NOTENOTE: This causes the two states to sync up if they aren't already
NAVDEBUG_showCollision = NAVDEBUG_showNavGoals =
NAVDEBUG_showCombatPoints = NAVDEBUG_showEnemyPath =
NAVDEBUG_showEdges = NAVDEBUG_showRadius = NAVDEBUG_showNodes;
}
else if ( Q_stricmp( cmd, "nodes" ) == 0 )
{
NAVDEBUG_showNodes = !NAVDEBUG_showNodes;
}
else if ( Q_stricmp( cmd, "radius" ) == 0 )
{
NAVDEBUG_showRadius = !NAVDEBUG_showRadius;
}
else if ( Q_stricmp( cmd, "edges" ) == 0 )
{
NAVDEBUG_showEdges = !NAVDEBUG_showEdges;
}
else if ( Q_stricmp( cmd, "testpath" ) == 0 )
{
NAVDEBUG_showTestPath = !NAVDEBUG_showTestPath;
}
else if ( Q_stricmp( cmd, "enemypath" ) == 0 )
{
NAVDEBUG_showEnemyPath = !NAVDEBUG_showEnemyPath;
}
else if ( Q_stricmp( cmd, "combatpoints" ) == 0 )
{
NAVDEBUG_showCombatPoints = !NAVDEBUG_showCombatPoints;
}
else if ( Q_stricmp( cmd, "navgoals" ) == 0 )
{
NAVDEBUG_showNavGoals = !NAVDEBUG_showNavGoals;
}
else if ( Q_stricmp( cmd, "collision" ) == 0 )
{
NAVDEBUG_showCollision = !NAVDEBUG_showCollision;
}
}
else if ( Q_stricmp( cmd, "set" ) == 0 )
{
cmd = gi.argv( 2 );
if ( Q_stricmp( cmd, "testgoal" ) == 0 )
{
NAVDEBUG_curGoal = navigator.GetNearestNode( &g_entities[0], g_entities[0].waypoint, NF_CLEAR_PATH, WAYPOINT_NONE );
}
}
else if ( Q_stricmp( cmd, "totals" ) == 0 )
{
Com_Printf("Navigation Totals:\n");
Com_Printf("------------------\n");
Com_Printf("Total Nodes: %d\n", navigator.GetNumNodes() );
Com_Printf("Total Combat Points: %d\n", level.numCombatPoints );
}
else
{
//Print the available commands
Com_Printf("nav - valid commands\n---\n" );
Com_Printf("show\n - nodes\n - edges\n - testpath\n - enemypath\n - combatpoints\n - navgoals\n---\n");
Com_Printf("set\n - testgoal\n---\n" );
}
}
//
//JWEIER ADDITIONS START
bool navCalculatePaths = false;
bool NAVDEBUG_showNodes = false;
bool NAVDEBUG_showRadius = false;
bool NAVDEBUG_showEdges = false;
bool NAVDEBUG_showTestPath = false;
bool NAVDEBUG_showEnemyPath = false;
bool NAVDEBUG_showCombatPoints = false;
bool NAVDEBUG_showNavGoals = false;
bool NAVDEBUG_showCollision = false;
int NAVDEBUG_curGoal = 0;
/*
-------------------------
NAV_CalculatePaths
-------------------------
*/
#ifndef FINAL_BUILD
int fatalErrors = 0;
char *fatalErrorPointer = NULL;
char fatalErrorString[4096];
qboolean NAV_WaypointsTooFar( gentity_t *wp1, gentity_t *wp2 )
{
if ( Distance( wp1->currentOrigin, wp2->currentOrigin ) > 1024 )
{
char temp[1024];
int len;
fatalErrors++;
if ( !wp1->targetname && !wp2->targetname )
{
sprintf( temp, S_COLOR_RED"Waypoint conn %s->%s > 1024\n", vtos( wp1->currentOrigin ), vtos( wp2->currentOrigin ) );
}
else if ( !wp1->targetname )
{
sprintf( temp, S_COLOR_RED"Waypoint conn %s->%s > 1024\n", vtos( wp1->currentOrigin ), wp2->targetname );
}
else if ( !wp2->targetname )
{
sprintf( temp, S_COLOR_RED"Waypoint conn %s->%s > 1024\n", wp1->targetname, vtos( wp2->currentOrigin ) );
}
else
{//they both have valid targetnames
sprintf( temp, S_COLOR_RED"Waypoint conn %s->%s > 1024\n", wp1->targetname, wp2->targetname );
}
len = strlen( temp );
if ( (fatalErrorPointer-fatalErrorString)+len >= sizeof( fatalErrorString ) )
{
Com_Error( ERR_DROP, "%s%s%dTOO MANY FATAL NAV ERRORS!!!\n", fatalErrorString, temp, fatalErrors );
return qtrue;
}
strcat( fatalErrorPointer, temp );
fatalErrorPointer += len;
return qtrue;
}
else
{
return qfalse;
}
}
#endif
static int numStoredWaypoints = 0;
static waypointData_t *tempWaypointList=0;
void NAV_StoreWaypoint( gentity_t *ent )
{
if ( !tempWaypointList )
{
tempWaypointList = (waypointData_t *) gi.Malloc(sizeof(waypointData_t)*MAX_STORED_WAYPOINTS, TAG_TEMP_WORKSPACE, qtrue);
}
if ( numStoredWaypoints >= MAX_STORED_WAYPOINTS )
{
G_Error( "Too many waypoints! (%d > %d)\n", numStoredWaypoints, MAX_STORED_WAYPOINTS );
return;
}
if ( ent->targetname )
{
Q_strncpyz( tempWaypointList[numStoredWaypoints].targetname, ent->targetname, MAX_QPATH, qtrue );
}
if ( ent->target )
{
Q_strncpyz( tempWaypointList[numStoredWaypoints].target, ent->target, MAX_QPATH, qtrue );
}
if ( ent->target2 )
{
Q_strncpyz( tempWaypointList[numStoredWaypoints].target2, ent->target2, MAX_QPATH, qtrue );
}
if ( ent->target3 )
{
Q_strncpyz( tempWaypointList[numStoredWaypoints].target3, ent->target3, MAX_QPATH, qtrue );
}
if ( ent->target4 )
{
Q_strncpyz( tempWaypointList[numStoredWaypoints].target4, ent->target4, MAX_QPATH, qtrue );
}
tempWaypointList[numStoredWaypoints].nodeID = ent->health;
numStoredWaypoints++;
}
int NAV_GetStoredWaypoint( char *targetname )
{
if ( !tempWaypointList || !targetname || !targetname[0] )
{
return -1;
}
for ( int i = 0; i < numStoredWaypoints; i++ )
{
if ( tempWaypointList[i].targetname[0] )
{
if ( !Q_stricmp( targetname, tempWaypointList[i].targetname ) )
{
return i;
}
}
}
return -1;
}
void NAV_CalculatePaths( const char *filename, int checksum )
{
int target = -1;
if ( !tempWaypointList )
{
return;
}
#ifndef FINAL_BUILD
fatalErrors = 0;
memset( fatalErrorString, 0, sizeof( fatalErrorString ) );
fatalErrorPointer = &fatalErrorString[0];
#endif
#if _HARD_CONNECT
//Find all connections and hard connect them
for ( int i = 0; i < numStoredWaypoints; i++ )
{
//Find the first connection
target = NAV_GetStoredWaypoint( tempWaypointList[i].target );
if ( target != -1 )
{
#ifndef FINAL_BUILD
// if ( !NAV_WaypointsTooFar( ent, target ) )
#endif
{
navigator.HardConnect( tempWaypointList[i].nodeID, tempWaypointList[target].nodeID );
}
}
//Find a possible second connection
target = NAV_GetStoredWaypoint( tempWaypointList[i].target2 );
if ( target != -1 )
{
#ifndef FINAL_BUILD
// if ( !NAV_WaypointsTooFar( ent, target ) )
#endif
{
navigator.HardConnect( tempWaypointList[i].nodeID, tempWaypointList[target].nodeID );
}
}
//Find a possible third connection
target = NAV_GetStoredWaypoint( tempWaypointList[i].target3 );
if ( target != -1 )
{
#ifndef FINAL_BUILD
// if ( !NAV_WaypointsTooFar( ent, target ) )
#endif
{
navigator.HardConnect( tempWaypointList[i].nodeID, tempWaypointList[target].nodeID );
}
}
//Find a possible fourth connection
target = NAV_GetStoredWaypoint( tempWaypointList[i].target4 );
if ( target != -1 )
{
#ifndef FINAL_BUILD
// if ( !NAV_WaypointsTooFar( ent, target ) )
#endif
{
navigator.HardConnect( tempWaypointList[i].nodeID, tempWaypointList[target].nodeID );
}
}
}
#endif
//Remove all waypoints now that they're done
gi.Free(tempWaypointList);
tempWaypointList=0;
//Now check all blocked edges, mark failed ones
navigator.CheckBlockedEdges();
navigator.pathsCalculated = qfalse;
//Calculate the paths based on the supplied waypoints
//navigator.CalculatePaths();
//Save the resulting information
/*
if ( navigator.Save( filename, checksum ) == qfalse )
{
Com_Printf("Unable to save navigations data for map \"%s\" (checksum:%d)\n", filename, checksum );
}
*/
#ifndef FINAL_BUILD
if ( fatalErrors )
{
//Com_Error( ERR_DROP, "%s%d FATAL NAV ERRORS\n", fatalErrorString, fatalErrors );
gi.Printf( "%s%d FATAL NAV ERRORS\n", fatalErrorString, fatalErrors );
}
#endif
}
/*
-------------------------
NAV_Shutdown
-------------------------
*/
void NAV_Shutdown( void )
{
navigator.Free();
}
/*
-------------------------
NAV_ShowDebugInfo
-------------------------
*/
void NAV_ShowDebugInfo( void )
{
if ( NAVDEBUG_showNodes )
{
navigator.ShowNodes();
}
if ( NAVDEBUG_showEdges )
{
navigator.ShowEdges();
}
if ( NAVDEBUG_showTestPath )
{
//Get the nearest node to the player
int nearestNode = navigator.GetNearestNode( &g_entities[0], g_entities[0].waypoint, NF_ANY, WAYPOINT_NONE );
int testNode = navigator.GetBestNode( nearestNode, NAVDEBUG_curGoal );
nearestNode = NAV_TestBestNode( g_entities[0].currentOrigin, nearestNode, testNode );
//Show the connection
vec3_t dest, start;
//Get the positions
navigator.GetNodePosition( NAVDEBUG_curGoal, dest );
navigator.GetNodePosition( nearestNode, start );
CG_DrawNode( start, NODE_START );
CG_DrawNode( dest, NODE_GOAL );
navigator.ShowPath( nearestNode, NAVDEBUG_curGoal );
}
if ( NAVDEBUG_showCombatPoints )
{
for ( int i = 0; i < level.numCombatPoints; i++ )
{
CG_DrawCombatPoint( level.combatPoints[i].origin, 0 );
}
}
if ( NAVDEBUG_showNavGoals )
{
TAG_ShowTags( RTF_NAVGOAL );
}
}
/*
-------------------------
NAV_FindPlayerWaypoint
-------------------------
*/
void NAV_FindPlayerWaypoint( void )
{
g_entities[0].waypoint = navigator.GetNearestNode( &g_entities[0], g_entities[0].lastWaypoint, NF_CLEAR_PATH, WAYPOINT_NONE );
}
//
//JWEIER ADDITIONS END
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