quadrilateralcowboy/d3xp/ai/AI_Vagary.cpp

148 lines
5.0 KiB
C++

/*
===========================================================================
Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).
Doom 3 Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
/***********************************************************************
game/ai/AI_Vagary.cpp
Vagary specific AI code
***********************************************************************/
#include "../../idlib/precompiled.h"
#pragma hdrstop
#include "../Game_local.h"
class idAI_Vagary : public idAI {
public:
CLASS_PROTOTYPE( idAI_Vagary );
private:
void Event_ChooseObjectToThrow( const idVec3 &mins, const idVec3 &maxs, float speed, float minDist, float offset );
void Event_ThrowObjectAtEnemy( idEntity *ent, float speed );
};
const idEventDef AI_Vagary_ChooseObjectToThrow( "vagary_ChooseObjectToThrow", "vvfff", 'e' );
const idEventDef AI_Vagary_ThrowObjectAtEnemy( "vagary_ThrowObjectAtEnemy", "ef" );
CLASS_DECLARATION( idAI, idAI_Vagary )
EVENT( AI_Vagary_ChooseObjectToThrow, idAI_Vagary::Event_ChooseObjectToThrow )
EVENT( AI_Vagary_ThrowObjectAtEnemy, idAI_Vagary::Event_ThrowObjectAtEnemy )
END_CLASS
/*
================
idAI_Vagary::Event_ChooseObjectToThrow
================
*/
void idAI_Vagary::Event_ChooseObjectToThrow( const idVec3 &mins, const idVec3 &maxs, float speed, float minDist, float offset ) {
idEntity * ent;
idEntity * entityList[ MAX_GENTITIES ];
int numListedEntities;
int i, index;
float dist;
idVec3 vel;
idVec3 offsetVec( 0, 0, offset );
idEntity *enemyEnt = enemy.GetEntity();
if ( !enemyEnt ) {
idThread::ReturnEntity( NULL );
}
idVec3 enemyEyePos = lastVisibleEnemyPos + lastVisibleEnemyEyeOffset;
const idBounds &myBounds = physicsObj.GetAbsBounds();
idBounds checkBounds( mins, maxs );
checkBounds.TranslateSelf( physicsObj.GetOrigin() );
numListedEntities = gameLocal.clip.EntitiesTouchingBounds( checkBounds, -1, entityList, MAX_GENTITIES );
index = gameLocal.random.RandomInt( numListedEntities );
for ( i = 0; i < numListedEntities; i++, index++ ) {
if ( index >= numListedEntities ) {
index = 0;
}
ent = entityList[ index ];
if ( !ent->IsType( idMoveable::Type ) ) {
continue;
}
if ( ent->fl.hidden ) {
// don't throw hidden objects
continue;
}
idPhysics *entPhys = ent->GetPhysics();
const idVec3 &entOrg = entPhys->GetOrigin();
dist = ( entOrg - enemyEyePos ).LengthFast();
if ( dist < minDist ) {
continue;
}
idBounds expandedBounds = myBounds.Expand( entPhys->GetBounds().GetRadius() );
if ( expandedBounds.LineIntersection( entOrg, enemyEyePos ) ) {
// ignore objects that are behind us
continue;
}
if ( PredictTrajectory( entPhys->GetOrigin() + offsetVec, enemyEyePos, speed, entPhys->GetGravity(),
entPhys->GetClipModel(), entPhys->GetClipMask(), MAX_WORLD_SIZE, NULL, enemyEnt, ai_debugTrajectory.GetBool() ? 4000 : 0, vel ) ) {
idThread::ReturnEntity( ent );
return;
}
}
idThread::ReturnEntity( NULL );
}
/*
================
idAI_Vagary::Event_ThrowObjectAtEnemy
================
*/
void idAI_Vagary::Event_ThrowObjectAtEnemy( idEntity *ent, float speed ) {
idVec3 vel;
idEntity *enemyEnt;
idPhysics *entPhys;
entPhys = ent->GetPhysics();
enemyEnt = enemy.GetEntity();
if ( !enemyEnt ) {
vel = ( viewAxis[ 0 ] * physicsObj.GetGravityAxis() ) * speed;
} else {
PredictTrajectory( entPhys->GetOrigin(), lastVisibleEnemyPos + lastVisibleEnemyEyeOffset, speed, entPhys->GetGravity(),
entPhys->GetClipModel(), entPhys->GetClipMask(), MAX_WORLD_SIZE, NULL, enemyEnt, ai_debugTrajectory.GetBool() ? 4000 : 0, vel );
vel *= speed;
}
entPhys->SetLinearVelocity( vel );
if ( ent->IsType( idMoveable::Type ) ) {
idMoveable *ment = static_cast<idMoveable*>( ent );
ment->EnableDamage( true, 2.5f );
}
}