forked from FrictionalGames/PenumbraOverture
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GameEnemy_Worm.cpp
1062 lines (827 loc) · 30.9 KB
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GameEnemy_Worm.cpp
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/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of Penumbra Overture.
*
* Penumbra Overture 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.
*
* Penumbra Overture 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 Penumbra Overture. If not, see <http://www.gnu.org/licenses/>.
*/
#include "GameEnemy_Worm.h"
#include "Player.h"
#include "AttackHandler.h"
#include "EffectHandler.h"
#include "GameMusicHandler.h"
#include "GameSwingDoor.h"
#include "MapHandler.h"
//////////////////////////////////////////////////////////////////////////
// BASE STATE
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
iGameEnemyState_Worm_Base::iGameEnemyState_Worm_Base(int alId, cInit *apInit, iGameEnemy *apEnemy)
: iGameEnemyState(alId,apInit,apEnemy)
{
mpEnemyWorm = static_cast<cGameEnemy_Worm*>(mpEnemy);
}
//-----------------------------------------------------------------------
void iGameEnemyState_Worm_Base::OnSeePlayer(const cVector3f &avPosition, float afChance)
{
if(mpPlayer->GetHealth() <=0) return;
if(afChance >= mpEnemyWorm->mfIdleMinSeeChance)
{
mpEnemy->ChangeState(STATE_HUNT);
//mpEnemyWorm->PlaySound(mpEnemyWorm->msIdleFoundPlayerSound);
}
}
bool iGameEnemyState_Worm_Base::OnHearNoise(const cVector3f &avPosition, float afVolume)
{
/*float afDistance = (mpMover->GetCharBody()->GetPosition() - avPosition).Length();
if(afVolume >= mpEnemyWorm->mfIdleMinHearVolume && afDistance > 0.4f)
{
mpEnemy->SetTempPosition(avPosition);
mpEnemy->ChangeState(STATE_INVESTIGATE);
return true;
}*/
return false;
}
void iGameEnemyState_Worm_Base::OnTakeHit(float afDamage)
{
}
void iGameEnemyState_Worm_Base::OnFlashlight(const cVector3f &avPosition)
{
//mpInit->mpEffectHandler->GetSubTitle()->Add("Flashlight!",0.5f);
OnSeePlayer(mpPlayer->GetCharacterBody()->GetFeetPosition(),1.0f);
}
void iGameEnemyState_Worm_Base::OnDeath(float afDamage)
{
//mpEnemy->ChangeState(STATE_KNOCKDOWN);
mpEnemy->ChangeState(STATE_DEAD);
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// IDLE STATE
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Idle::OnEnterState(iGameEnemyState *apPrevState)
{
//Animation
mpEnemy->PlayAnim("Idle",true,0.2f);
//Setup body
mpEnemy->SetupBody();
//Setup enemy
mpEnemy->SetFOV(mpEnemyWorm->mfIdleFOV);
//mpInit->mpMusicHandler->RemoveAttacker(mpEnemy);
}
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Idle::OnLeaveState(iGameEnemyState *apNextState)
{
}
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Idle::OnUpdate(float afTimeStep)
{
mpEnemy->ChangeState(STATE_HUNT);
return;
if(mpMover->IsMoving()==false || mpMover->GetStuckCounter() > 2.0f)
{
mpMover->ResetStuckCounter();
if(mbStopped==false)
{
mbStopped = true;
mpEnemy->PlayAnim("Idle",false,0.9f);
mfNextWalkTime = cMath::RandRectf( mpEnemyWorm->mfIdleMinWaitLength,
mpEnemyWorm->mfIdleMaxWaitLength);
}
else if(mfNextWalkTime <=0)
{
mbStopped = false;
//Animation
mpEnemy->UseMoveStateAnimations();
//Setup body
mpEnemy->SetupBody();
mpMover->GetCharBody()->SetMaxPositiveMoveSpeed(eCharDir_Forward,mpEnemyWorm->mfHuntSpeed);
cAINode *pNode = NULL;
if(mpEnemy->GetPatrolNodeNum()==0)
{
pNode = mpMover->GetAINodeInRange( 1, 5);
}
else
{
int lNodeNum = cMath::RandRectl(0,mpEnemy->GetPatrolNodeNum()-1);
tString sName = mpEnemy->GetPatrolNode(lNodeNum)->msNodeName;
pNode = mpMover->GetNodeContainer()->GetNodeFromName(sName);
}
if(pNode)
{
mpMover->MoveToPos(pNode->GetPosition());
}
else
{
mpEnemy->ChangeState(STATE_IDLE);
}
}
else
{
mfNextWalkTime -= afTimeStep;
}
}
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// HUNT STATE
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Hunt::OnEnterState(iGameEnemyState *apPrevState)
{
//Animation
mpEnemy->PlayAnim("Idle",true,0.2f);
float fMul = 1.0f;
if(mpInit->mbHasHaptics) fMul = 0.6f;
//Setup body
mpEnemy->SetupBody();
if(mpInit->mDifficulty == eGameDifficulty_Easy)
mpMover->GetCharBody()->SetMaxPositiveMoveSpeed(eCharDir_Forward,mpEnemyWorm->mfHuntSpeed*0.7f*fMul);
else if(mpInit->mDifficulty == eGameDifficulty_Normal)
mpMover->GetCharBody()->SetMaxPositiveMoveSpeed(eCharDir_Forward,mpEnemyWorm->mfHuntSpeed*fMul);
else
mpMover->GetCharBody()->SetMaxPositiveMoveSpeed(eCharDir_Forward,mpEnemyWorm->mfHuntSpeed*1.2f*fMul);
//Setup enemy
mpEnemy->SetFOV(mpEnemyWorm->mfHuntFOV);
mfUpdatePathCount =0;
mfUpdateFreq = 1.0f;
mbFreePlayerPath = false;
mbLostPlayer = false;
mfLostPlayerCount =0;
mfMaxLostPlayerCount = mpEnemyWorm->mfHuntForLostPlayerTime;
mpInit->mpMusicHandler->AddAttacker(mpEnemy);
mfAttackCount = mpEnemyWorm->mfAttackInterval;
mfAttackSoundCount =0;
mfSoundCount = cMath::RandRectf(mpEnemyWorm->mfHuntSoundMinInteraval,
mpEnemyWorm->mfHuntSoundMaxInteraval);
}
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Hunt::OnLeaveState(iGameEnemyState *apNextState)
{
}
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Hunt::OnUpdate(float afTimeStep)
{
//cAnimationState *pState = mpEnemy->GetMeshEntity()->GetAnimationState(0);
//Log("Anim: %s %f %d\n",pState->GetName(),pState->GetTimePosition(),pState->IsActive());
mpEnemy->SetLastPlayerPos(mpInit->mpPlayer->GetCharacterBody()->GetFeetPosition());
if(mpPlayer->GetHealth() <=0){
mpEnemy->ChangeState(STATE_IDLE);
return;
}
////////////////////////////////
//Check if stuck
if(mpMover->GetStuckCounter() > 2.1f)
{
//mpEnemy->ChangeState(STATE_FLEE);
mpMover->ResetStuckCounter();
return;
}
//////////////////////////////
//Hunt sound count
if(mfSoundCount <=0)
{
mfSoundCount = cMath::RandRectf(mpEnemyWorm->mfHuntSoundMinInteraval,
mpEnemyWorm->mfHuntSoundMaxInteraval);
mpEnemy->PlaySound(mpEnemyWorm->msHuntSound);
}
else
{
mfSoundCount -= afTimeStep;
}
//////////////////////////////
//Attack sound count
if(mfAttackSoundCount >0)
{
mfAttackSoundCount -= afTimeStep;
}
////////////////////////////////
//Check if attack should begin
if(mfAttackCount <=0)
{
mfAttackCount = mpEnemyWorm->mfAttackInterval;
cVector3f vPos = mpMover->GetCharBody()->GetPosition() +
mpMover->GetCharBody()->GetForward() *
( 0 +
mpEnemyWorm->mvAttackDamageSize.z/2.0f);
cVector3f vRot = cVector3f(0,mpMover->GetCharBody()->GetYaw(),0);
cMatrixf mtxOffset = cMath::MatrixRotate(vRot,eEulerRotationOrder_XYZ);
mtxOffset.SetTranslation(vPos);
eAttackTargetFlag target = eAttackTargetFlag_Player | eAttackTargetFlag_Bodies;
if(mpInit->mpAttackHandler->CreateShapeAttack(mpEnemyWorm->GetAttackShape(),
mtxOffset,
mpMover->GetCharBody()->GetPosition(),
mpEnemyWorm->mfAttackDamage,
mpEnemyWorm->mfAttackMinMass, mpEnemyWorm->mfAttackMaxMass,
mpEnemyWorm->mfAttackMinImpulse, mpEnemyWorm->mfAttackMaxImpulse,
mpEnemyWorm->mlAttackStrength,
target,NULL))
{
if(mfAttackSoundCount<=0)
{
mpEnemy->PlaySound(mpEnemyWorm->msAttackHitSound);
mfAttackSoundCount = mpEnemyWorm->mfAttackHitSoundInterval;
}
}
}
else
{
mfAttackCount -= afTimeStep;
}
////////////////////////////////
//Update the path
if(mfUpdatePathCount <=0)
{
mfUpdatePathCount = mfUpdateFreq;
cAINodeContainer *pNodeCont = mpEnemy->GetMover()->GetNodeContainer();
//Check if there is a free path to the player
if(mbLostPlayer == false && mpMover->FreeDirectPathToChar(mpPlayer->GetCharacterBody()))
{
mbFreePlayerPath = true;
mpMover->Stop();
}
else
{
mbFreePlayerPath = false;
}
//Get path to player
if(mbFreePlayerPath==false && mbLostPlayer == false)
{
if(mpMover->MoveToPos(mpEnemy->GetLastPlayerPos())==false)
{
mfUpdatePathCount *= 2.0f;
}
}
}
else
{
mfUpdatePathCount -= afTimeStep;
}
////////////////////////////////
//Go directly towards the player
if(mbFreePlayerPath)
{
//Go towards player
mpMover->MoveDirectToPos(mpPlayer->GetCharacterBody()->GetFeetPosition(),afTimeStep);
}
////////////////////////////////
//Update path search
else
{
if(mbLostPlayer==false && mpMover->IsMoving()==false)
{
mbLostPlayer = true;
mfLostPlayerCount = mfMaxLostPlayerCount;
}
if(mbLostPlayer)
{
mpMover->GetCharBody()->Move(eCharDir_Forward,1.0f,afTimeStep);
mfLostPlayerCount -= afTimeStep;
if(mfLostPlayerCount <= 0 || mpMover->GetStuckCounter()>0.5f)
{
}
}
}
}
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Hunt::OnSeePlayer(const cVector3f &avPosition, float afChance)
{
if(mbLostPlayer && afChance >= mpEnemyWorm->mfHuntMinSeeChance)
{
mbLostPlayer = false;
mfUpdatePathCount =0;
}
}
//-----------------------------------------------------------------------
bool cGameEnemyState_Worm_Hunt::OnHearNoise(const cVector3f &avPosition, float afVolume)
{
//////////////////////////////////
//If player is lost the sound might be of help
if(mbLostPlayer)
{
//Check if sound can be heard
if(afVolume >= mpEnemyWorm->mfHuntMinHearVolume)
{
//Check if a node is found near the sound.
cAINode *pNode = mpMover->GetAINodeAtPosInRange(avPosition,0.0f,5.0f,true, 0.1f);
if(pNode)
{
//Update last player postion.
mbLostPlayer = false;
mfUpdatePathCount =0;
mpEnemy->SetLastPlayerPos(pNode->GetPosition());
return true;
}
}
}
return false;
}
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Hunt::OnDraw()
{
//mpInit->mpDefaultFont->Draw(cVector3f(230,10,100),14,cColor(1,1,1,1),eFontAlign_Left,
// "Freepath: %d",mbFreePlayerPath);
}
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Hunt::OnPostSceneDraw()
{
cCamera3D *pCamera = static_cast<cCamera3D*>(mpInit->mpGame->GetScene()->GetCamera());
cVector3f vPos = mpMover->GetCharBody()->GetPosition() +
mpMover->GetCharBody()->GetForward() *
(0 + mpEnemyWorm->mvAttackDamageSize.z/2.0f);
cVector3f vRot = cVector3f(0,mpMover->GetCharBody()->GetYaw(),0);
cMatrixf mtxOffset = cMath::MatrixRotate(vRot,eEulerRotationOrder_XYZ);
mtxOffset.SetTranslation(vPos);
cMatrixf mtxCollider = cMath::MatrixMul(pCamera->GetViewMatrix(),mtxOffset);
mpInit->mpGame->GetGraphics()->GetLowLevel()->SetMatrix(eMatrix_ModelView,mtxCollider);
cVector3f vSize = mpEnemyWorm->GetAttackShape()->GetSize();
mpInit->mpGame->GetGraphics()->GetLowLevel()->DrawBoxMaxMin(vSize*0.5f,vSize*-0.5f,
cColor(1,0,1,1));
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// DEAD STATE
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Dead::OnEnterState(iGameEnemyState *apPrevState)
{
//Animation
mpEnemy->PlayAnim("Idle",true,0.2f);
//Setup body
mpInit->mpMusicHandler->RemoveAttacker(mpEnemy);
if(mpEnemyWorm->mpMoveSound) mpEnemyWorm->mpMoveSound->Stop(false);
mpEnemyWorm->mpMoveSound = NULL;
}
//-----------------------------------------------------------------------
void cGameEnemyState_Worm_Dead::OnLeaveState(iGameEnemyState *apNextState)
{
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
cGameEnemy_Worm::cGameEnemy_Worm(cInit *apInit,const tString& asName,TiXmlElement *apGameElem) : iGameEnemy(apInit,asName,apGameElem)
{
mpMoveSound = NULL;
LoadBaseProperties(apGameElem);
mbSetFeetAtGroundOnStart = false;
mbAttachMeshToBody = false;
mbRemoveAttackerOnDisable = false;
//////////////////////////////
//State properties
msMoveSound = cString::ToString(apGameElem->Attribute("MoveSound"),"");
mfIdleFOV = cMath::ToRad(cString::ToFloat(apGameElem->Attribute("IdleFOV"),0));
msIdleFoundPlayerSound = cString::ToString(apGameElem->Attribute("IdleFoundPlayerSound"),"");
mfIdleMinSeeChance = cString::ToFloat(apGameElem->Attribute("IdleMinSeeChance"),0);
mfIdleMinHearVolume = cString::ToFloat(apGameElem->Attribute("IdleMinHearVolume"),0);
mfHuntFOV = cMath::ToRad(cString::ToFloat(apGameElem->Attribute("HuntFOV"),0));
mfHuntSpeed = cString::ToFloat(apGameElem->Attribute("HuntSpeed"),0);
mfHuntMinSeeChance = cString::ToFloat(apGameElem->Attribute("IdleMinSeeChance"),0);
mfHuntMinHearVolume = cString::ToFloat(apGameElem->Attribute("IdleMinHearVolume"),0);
msHuntSound = cString::ToString(apGameElem->Attribute("HuntSound"),"");
mfHuntSoundMinInteraval = cString::ToFloat(apGameElem->Attribute("HuntSoundMinInteraval"),0);
mfHuntSoundMaxInteraval = cString::ToFloat(apGameElem->Attribute("HuntSoundMaxInteraval"),0);
mfAttackInterval = cString::ToFloat(apGameElem->Attribute("AttackInterval"),0);
mfAttackDamage = cString::ToFloat(apGameElem->Attribute("AttackDamage"),0);
msAttackHitSound = cString::ToString(apGameElem->Attribute("AttackHitSound"),"");
mfAttackHitSoundInterval = cString::ToFloat(apGameElem->Attribute("AttackHitSoundInterval"),0);
mfAttackMinMass = cString::ToFloat(apGameElem->Attribute("AttackMinMass"),0);
mfAttackMaxMass = cString::ToFloat(apGameElem->Attribute("AttackMaxMass"),0);
mfAttackMinImpulse = cString::ToFloat(apGameElem->Attribute("AttackMinImpulse"),0);
mfAttackMaxImpulse = cString::ToFloat(apGameElem->Attribute("AttackMaxImpulse"),0);
mlAttackStrength = cString::ToInt(apGameElem->Attribute("AttackStrength"),0);
mvAttackDamageSize = cString::ToVector3f(apGameElem->Attribute("AttackDamageSize"),0);
//////////////////////////////
//Set up states
AddState(hplNew( cGameEnemyState_Worm_Idle,(STATE_IDLE,mpInit,this)) );
AddState(hplNew( cGameEnemyState_Worm_Hunt,(STATE_HUNT,mpInit,this)) );
AddState(hplNew( cGameEnemyState_Worm_Dead,(STATE_DEAD,mpInit,this)) );
/////////////////////////////
//Internal variables
mvLastForward = cVector3f(0,0,1);
mlMaxSegmentPostions = 20;
mfTurnSpeed = cMath::ToRad(160.0f);
}
//-----------------------------------------------------------------------
cGameEnemy_Worm::~cGameEnemy_Worm()
{
if(mpMoveSound) mpInit->mpGame->GetScene()->GetWorld3D()->DestroySoundEntity(mpMoveSound);
STLDeleteAll(mvTailSegments);
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// MESH ENTITY CALLBACK
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
cGameEnemy_Worm_MeshCallback::cGameEnemy_Worm_MeshCallback(cGameEnemy_Worm *apWorm)
{
mpWorm = apWorm;
}
//-----------------------------------------------------------------------
/*OLD CALC MATRIX VERSION:
cMatrixf mtxRot = cMatrixf::Identity;
mtxRot.SetRight(mpWorm->mvRootRight*-1); //*-1 = straange
mtxRot.SetUp(mpWorm->mvRootUp);
mtxRot.SetForward(mpWorm->mvRootForward);
mtxRot = cMath::MatrixInverse(mtxRot);
iCharacterBody *pCharBody = mpWorm->mpMover->GetCharBody();
cMeshEntity *pEntity = mpWorm->mpMeshEntity;
cMatrixf mtxEntity = mtxRot;
//mtxEntity = cMath::MatrixMul(pCharBody->GetEntityPostOffset(),mtxEntity);
mtxEntity.SetTranslation(mtxEntity.GetTranslation() + mpWorm->mvRootPosition +
pCharBody->GetEntityOffset().GetTranslation());
//mtxEntity = cMath::MatrixMul(mtxEntity,pCharBody->GetEntityOffset());
//pEntity->GetRootNode()->SetMatrix(mtxEntity);
pEntity->SetMatrix(mtxEntity);
//mpWorm->mpRootBone->SetWorldMatrix(mtxEntity);
*/
void cGameEnemy_Worm_MeshCallback::AfterAnimationUpdate(cMeshEntity *apMeshEntity, float afTimeStep)
{
// Set bone matrix of root
//if(mpWorm->mbAttachMeshToBody==false)
if(mpWorm->mpMover->GetCharBody()->GetEntity()==NULL)
{
iCharacterBody *pCharBody = mpWorm->mpMover->GetCharBody();
cMeshEntity *pEntity = mpWorm->mpMeshEntity;
cMatrixf mtxEntity = cMatrixf::Identity;
cVector3f vAngles = cMath::GetAngleFromPoints3D(0,mpWorm->mvRootForward);
mtxEntity = cMath::MatrixRotate(cVector3f(-vAngles.x,kPif+vAngles.y,0),eEulerRotationOrder_XYZ);
mtxEntity.SetTranslation(mtxEntity.GetTranslation() + mpWorm->mvRootPosition +
pCharBody->GetEntityOffset().GetTranslation());
pEntity->SetMatrix(mtxEntity);
}
//return;
// Set bone matrix of segments
for(size_t i=0; i< mpWorm->mvTailSegments.size();++i)
{
cWormTailSegment *pSegment = mpWorm->mvTailSegments[i];
//////////////////////////////////////////////////
//Change orientation according to forward
cMatrixf mtxTrans = cMatrixf::Identity;
{
/*mtxTrans.SetRight(pSegment->mvRight*-1); //*-1 = straaange
mtxTrans.SetUp(pSegment->mvUp);
mtxTrans.SetForward(pSegment->mvForward);
mtxTrans = cMath::MatrixInverse(mtxTrans);*/
cVector3f vAngles = cMath::GetAngleFromPoints3D(0,pSegment->mvForward);
mtxTrans = cMath::MatrixRotate(cVector3f(-vAngles.x,kPif+vAngles.y,0),eEulerRotationOrder_XYZ);
mtxTrans = cMath::MatrixMul(mtxTrans, pSegment->m_mtxBaseRot);
}
////////////////////////////////////////
//Set world matrix of bone
mtxTrans.SetTranslation(pSegment->mvPostion);
pSegment->mpBone->SetWorldMatrix(mtxTrans);
}
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
cVector3Smoother::cVector3Smoother()
{
mlMaxVecs = 20;
}
void cVector3Smoother::Add(const cVector3f& avVec)
{
mlstVecs.push_back(avVec);
if((int)mlstVecs.size() > mlMaxVecs) mlstVecs.pop_front();
}
cVector3f cVector3Smoother::GetAverage()
{
cVector3f vAverage=0;
std::list<cVector3f>::iterator it = mlstVecs.begin();
for(; it != mlstVecs.end(); ++it)
{
vAverage += *it;
}
return vAverage / (float)mlstVecs.size();
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
void cGameEnemy_Worm::OnLoad()
{
mbFirstUpdate = true;
mvFirstUpdatePos = mpMover->GetCharBody()->GetPosition();
mvRootPosition = mvFirstUpdatePos;
mvLastForward = mpMover->GetCharBody()->GetForward();
//Create attack shape
iPhysicsWorld *pPhysicsWorld = mpInit->mpGame->GetScene()->GetWorld3D()->GetPhysicsWorld();
mpAttackShape = pPhysicsWorld->CreateBoxShape(mvAttackDamageSize,NULL);
mpMeshCallback = hplNew( cGameEnemy_Worm_MeshCallback, (this) );
mpMeshEntity->SetCallback(mpMeshCallback);
//Set up enemy
ChangeState(STATE_IDLE);
SetupTail();
}
//-----------------------------------------------------------------------
cVector3f gvBackPos, gvPrevBackPos;
void cGameEnemy_Worm::OnUpdate(float afTimeStep)
{
cWorld3D *pWorld = mpInit->mpGame->GetScene()->GetWorld3D();
iCharacterBody *pCharBody = mpMover->GetCharBody();
cVector3f vMovement;
////////////////////////////////////////
//Update movesound
if(mlCurrentState == STATE_HUNT)
{
if(mpMoveSound==NULL)
{
mpMoveSound = pWorld->CreateSoundEntity("WormMove",msMoveSound,true);
//Log("created move sound...\n");
}
else
{
if(pWorld->SoundEntityExists(mpMoveSound))
{
//Log("Updating move sound...");
mpMoveSound->SetPosition(pCharBody->GetPosition());
//Log("done\n");
}
else
{
mpMoveSound = NULL;
}
}
}
else
{
if(mpMoveSound)
{
pWorld->DestroySoundEntity(mpMoveSound);
mpMoveSound = NULL;
}
}
////////////////////////////////////////
//Check so the body is moving
if(pCharBody->GetForceVelocity().Length() < 0.0001f &&
pCharBody->GetMoveSpeed(eCharDir_Forward) < 0.001f)
{
return;
}
/////////////////////////////////////////
// Get the position of the worm
cVector3f vPrevRootPos = mvRootPosition;
//Add newer position to list
if(mbFirstUpdate) {mlstRootPositions.push_back(mvFirstUpdatePos);mbFirstUpdate = false;}
else mlstRootPositions.push_back(pCharBody->GetPosition());
if((int)mlstRootPositions.size() >mlMaxSegmentPostions) mlstRootPositions.pop_front();
//Get smooth position
mvRootPosition =0;
std::list<cVector3f>::iterator posIt = mlstRootPositions.begin();
for(; posIt != mlstRootPositions.end(); ++posIt)
{
mvRootPosition += *posIt;
}
mvRootPosition = mvRootPosition / (float)mlstRootPositions.size();
//Get movement this update
vMovement = mvRootPosition - vPrevRootPos;
/////////////////////////////////////////
// Calculate direction vectors
if(vMovement.SqrLength()>0.00001f)
mvRootGoalForward = cMath::Vector3Normalize(vMovement);
else
mvRootGoalForward = mvRootGoalForward;
//Rotate vectors to get closer to goal
{
float fAngleDist = cMath::Vector3Angle(mvRootForward, mvRootGoalForward);
if(fAngleDist > 0.001f)
{
//Iterate to split the turning into 10 smaller parts
cVector3f vTurnVec = cMath::Vector3Cross(mvRootForward, mvRootGoalForward);
cQuaternion qRotation;
if(fAngleDist <= afTimeStep*mfTurnSpeed)
qRotation = cQuaternion(fAngleDist, vTurnVec);
else
qRotation = cQuaternion(afTimeStep*mfTurnSpeed, vTurnVec);
cMatrixf mtxRot = cMath::MatrixQuaternion(qRotation);
mvRootForward = cMath::MatrixMul(mtxRot,mvRootForward);
//mvRootForward.y=0;
mvRootForward.Normalise();
/*cVector3f vLastRight = mvRootRight;
mvRootRight = cMath::MatrixMul( mtxRot, mvRootRight);
mvRootRight.y =0;
mvRootRight.Normalise(); //Make sure x-z plane
mvRootUp = cMath::Vector3Cross(mvRootRight,mvRootForward);
mvRootUp.Normalise();*/
}
}
////////////////////////////////////////
// Get the ass position and direction
cVector3f vSegForward = mvRootForward;
cVector3f vSegBackPos = mpRootBone->GetWorldPosition() + vSegForward * -mvTailSegments[0]->mfDistToFront;
gvBackPos = vSegBackPos;
/////////////////////////////////////////
// Iterate the segments.
for(size_t i=0; i< mvTailSegments.size();++i)
{
cWormTailSegment *pSegment = mvTailSegments[i];
//////////////////////////////////
//Change postion of segment
//Get add newer pos and smooth all the previuos
cVector3f vPrevPos = pSegment->mvPostion;
pSegment->mlstPositions.push_back(vSegBackPos);
if((int)pSegment->mlstPositions.size() >mlMaxSegmentPostions) {
pSegment->mlstPositions.pop_front();
}
pSegment->mvPostion =0;
std::list<cVector3f>::iterator posIt = pSegment->mlstPositions.begin();
for(; posIt != pSegment->mlstPositions.end(); ++posIt)
{
pSegment->mvPostion += *posIt;
}
pSegment->mvPostion = pSegment->mvPostion / (float)pSegment->mlstPositions.size();
/////////////////////////////////////////////
//Get the movement vector
cVector3f vSegMovement = pSegment->mvPostion - vPrevPos;
/////////////////////////////////////////////
//Update body position
pSegment->mpBody->SetPosition(pSegment->mvPostion);
//////////////////////////////////////////////
//Get the direction vector of the segment
{
if(vSegMovement.SqrLength() > 0.00001f)
pSegment->mvGoalForward = cMath::Vector3Normalize(vSegMovement);
//Used for more stiff worms
//pSegment->mvGoalForward = vSegForward;
float fAngleDist = cMath::Vector3Angle(pSegment->mvForward,pSegment->mvGoalForward);
if(fAngleDist > 0.001f)
{
cVector3f vTurnVec = cMath::Vector3Cross(pSegment->mvForward,pSegment->mvGoalForward);
cQuaternion qRotation;
if(fAngleDist <= afTimeStep*mfTurnSpeed)
qRotation = cQuaternion(fAngleDist, vTurnVec);
else
qRotation = cQuaternion(afTimeStep*mfTurnSpeed, vTurnVec);
pSegment->mvForward = cMath::MatrixMul( cMath::MatrixQuaternion(qRotation),
pSegment->mvForward);
pSegment->mvForward.Normalise();
/*pSegment->mvRight = cMath::MatrixMul( cMath::MatrixQuaternion(qRotation),
pSegment->mvRight);
pSegment->mvRight.y =0; pSegment->mvRight.Normalise();
pSegment->mvUp = cMath::Vector3Cross(pSegment->mvRight,pSegment->mvForward);
pSegment->mvUp.Normalise();*/
}
}
vSegForward = pSegment->mvForward;
////////////////////////////////////////
//Set the New back pos
if(i < mvTailSegments.size()-1)
{
vSegBackPos = pSegment->mvPostion +
pSegment->mvForward * -mvTailSegments[i+1]->mfDistToFront;
}
}
}
//-----------------------------------------------------------------------
void cGameEnemy_Worm::ExtraPostSceneDraw()
{
iLowLevelGraphics *pLowLevelGfx = mpInit->mpGame->GetGraphics()->GetLowLevel();
pLowLevelGfx->SetDepthTestActive(false);
//pLowLevelGfx->DrawLine(mpRootBone->GetWorldPosition(),gvBackPos,cColor(1,1));
pLowLevelGfx->DrawLine(mpRootBone->GetWorldPosition(),
mpRootBone->GetWorldPosition() + mvRootForward,cColor(0,0,1,1));
pLowLevelGfx->DrawLine(mpRootBone->GetWorldPosition(),
mpRootBone->GetWorldPosition() + mvRootUp,cColor(0,1,0,1));
pLowLevelGfx->DrawLine(mpRootBone->GetWorldPosition(),
mpRootBone->GetWorldPosition() + mvRootRight,cColor(1,0,0,1));
pLowLevelGfx->DrawSphere(mpRootBone->GetWorldPosition(),0.3f,cColor(1,0,1,1));
for(size_t i=0; i< mvTailSegments.size();++i)
{
cWormTailSegment *pSegment = mvTailSegments[i];
pLowLevelGfx->DrawSphere(pSegment->mvPostion,0.3f,cColor(1,1));
pLowLevelGfx->DrawLine( pSegment->mvPostion,
pSegment->mvPostion + pSegment->mvForward * 0.5f,
cColor(1,0,1,1));
cVector3f vForward = cMath::MatrixMul(cMatrixf::Identity,pSegment->mvForward);
cVector3f vRight = cMath::MatrixMul(cMatrixf::Identity,pSegment->mvRight);
cVector3f vUp = cMath::MatrixMul(cMatrixf::Identity,pSegment->mvUp);
cVector3f vPos = pSegment->mpBone->GetWorldPosition();
pLowLevelGfx->DrawLine(vPos,vPos+vRight*0.6f,cColor(1,0,0,1));
pLowLevelGfx->DrawLine(vPos,vPos+vUp*0.6f,cColor(0,1,0,1));
pLowLevelGfx->DrawLine(vPos,vPos+vForward*0.6f,cColor(0,0,1,1));
//pLowLevelGfx->DrawLine( pSegment->mvPostion,pSegment->mvBackPos,cColor(0,0,1,1));
}
pLowLevelGfx->SetDepthTestActive(true);
}
//-----------------------------------------------------------------------
void cGameEnemy_Worm::ShowPlayer(const cVector3f& avPlayerFeetPos)
{
if( mlCurrentState == STATE_IDLE || mlCurrentState == STATE_PATROL ||
mlCurrentState == STATE_INVESTIGATE)
{
mvLastPlayerPos = avPlayerFeetPos;
ChangeState(STATE_HUNT);
}
}
//-----------------------------------------------------------------------
bool cGameEnemy_Worm::MoveToPos(const cVector3f& avFeetPos)
{
if( mlCurrentState == STATE_IDLE || mlCurrentState == STATE_PATROL)
{
SetTempPosition(avFeetPos);
ChangeState(STATE_INVESTIGATE);
return true;
}
else
{
return false;
}
}
//-----------------------------------------------------------------------
bool cGameEnemy_Worm::IsFighting()
{
if( mfHealth <= 0 || IsActive()==false) return false;
if( mlCurrentState == STATE_IDLE || mlCurrentState == STATE_PATROL ||
mlCurrentState == STATE_INVESTIGATE) return false;
return true;
}
//-----------------------------------------------------------------------
void cGameEnemy_Worm::SetupTail()
{
//Log("Setting up tail!\n");
iCharacterBody *pCharBody = mpMover->GetCharBody();
cMeshEntity *pEntity = mpMeshEntity;
//Set up character body
pCharBody->SetCollideCharacter(false);
//Set up mesh entity matrix.
//Do not set any rotation here since then the base
//bone matrices will not be correct.
if(mbAttachMeshToBody==false)
{
cMatrixf mtxEntity = cMatrixf::Identity;
mtxEntity.SetTranslation(pCharBody->GetPosition() +
pCharBody->GetEntityOffset().GetTranslation());
pEntity->SetMatrix(mtxEntity);
}
//Get root bone and directions
mpRootBone = mpMeshEntity->GetBoneStateFromName("Root");
mvRootForward = mpMover->GetCharBody()->GetForward();
mvRootUp = mpMover->GetCharBody()->GetUp();
mvRootRight = mpMover->GetCharBody()->GetRight();