hsBool plCullPoly::Validate() const
{
const float kMinMag = 1.e-8f;
float magSq = fNorm.MagnitudeSquared();
if( magSq < kMinMag )
return false;
if( fVerts.GetCount() < 3 )
return false;
hsVector3 norm = hsVector3(&fVerts[1], &fVerts[0]) % hsVector3(&fVerts[2], &fVerts[0]);
magSq = norm.MagnitudeSquared();
if( magSq < kMinMag )
return false;
norm *= hsFastMath::InvSqrtAppr(magSq);
int i;
for( i = 3; i < fVerts.GetCount(); i++ )
{
hsVector3 nextNorm = hsVector3(&fVerts[i-1], &fVerts[0]) % hsVector3(&fVerts[i], &fVerts[0]);
magSq = nextNorm.MagnitudeSquared();
if( magSq < kMinMag )
return false;
nextNorm *= hsFastMath::InvSqrtAppr(magSq);
if( nextNorm.InnerProduct(norm) < kMinMag )
return false;
}
return true;
}
void hsBounds3Ext::unalign() {
fCorner = fMins;
fExtFlags = 0;
float x = fMaxs.X - fMins.X;
if (x < 0.00001) {
fExtFlags |= kAxisZeroZero;
x = 1.0;
}
fAxes[0] = hsVector3(x, 0.0, 0.0);
float y = fMaxs.Y - fMins.Y;
if (y < 0.00001) {
fExtFlags |= kAxisOneZero;
y = 1.0;
}
fAxes[1] = hsVector3(0.0, y, 0.0);
float z = fMaxs.Z - fMins.Z;
if (z < 0.00001) {
fExtFlags |= kAxisTwoZero;
z = 1.0;
}
fAxes[2] = hsVector3(0.0, 0.0, z);
}
static int pyVector3___init__(pyVector3* self, PyObject* args, PyObject* kwds) {
float x = 0.0f, y = 0.0f, z = 0.0f;
PyObject* init = NULL;
static char* kwlist[] = { _pycs("X"), _pycs("Y"), _pycs("Z"), NULL };
static char* kwlist2[] = { _pycs("vector"), NULL };
if (PyArg_ParseTupleAndKeywords(args, kwds, "fff", kwlist, &x, &y, &z)) {
(*self->fThis) = hsVector3(x, y, z);
} else if (PyErr_Clear(), PyArg_ParseTupleAndKeywords(args, kwds, "|O", kwlist2, &init)) {
if (init == NULL) {
(*self->fThis) = hsVector3();
return 0;
}
if (pyVector3_Check(init)) {
(*self->fThis) = (*((pyVector3*)init)->fThis);
} else {
PyErr_SetString(PyExc_TypeError, "__init__ expects a vector");
return -1;
}
} else {
return -1;
}
return 0;
}
static bool PointsOnSameSide( const hsPoint3 &line1, const hsPoint3 &line2, const hsPoint3 &pointA, const hsPoint3 &pointB )
{
hsVector3 baseVec( &line2, &line1 );
hsVector3 cp1 = hsVector3( &pointA, &line1 ) % baseVec;
hsVector3 cp2 = hsVector3( &pointB, &line1 ) % baseVec;
return ( cp1.fZ * cp2.fZ > 0 ) ? true : false;
}
static int pySpanTemplateVertex_setUVWs(pySpanTemplateVertex* self, PyObject* value, void*) {
hsTArray<hsVector3> uvws;
if (value == NULL || !PyList_Check(value)) {
PyErr_SetString(PyExc_TypeError, "UVWs should be a list of up to 10 hsVector3 objects");
return -1;
}
uvws.setSize(PyList_Size(value));
if (uvws.getSize() > 10) {
PyErr_SetString(PyExc_RuntimeError, "UVWs should be a list of up to 10 hsVector3 objects");
return -1;
}
for (size_t i=0; i<uvws.getSize(); i++) {
PyObject* itm = PyList_GetItem(value, i);
if (!pyVector3_Check(itm)) {
PyErr_SetString(PyExc_TypeError, "UVWs should be a list of up to 10 hsVector3 objects");
return -1;
}
uvws[i] = *((pyVector3*)itm)->fThis;
}
for (size_t i=0; i<uvws.getSize(); i++)
self->fThis->fUVWs[i] = uvws[i];
for (size_t i=uvws.getSize(); i<10; i++)
self->fThis->fUVWs[i] = hsVector3(0.0f, 0.0f, 0.0f);
return 0;
}
//
// find the up vector for this object (if there are more than one, just the first one)
PyObject* pySceneObject::GetRightVector()
{
// make sure that there are sceneobjects
if ( fSceneObjects.Count() > 0 )
{
// get the object pointer of just the first one in the list
// (We really can't tell which one the user is thinking of if they are
// referring to multiple objects, so the first one in the list will do.)
plSceneObject* obj = plSceneObject::ConvertNoRef(fSceneObjects[0]->ObjectIsLoaded());
if ( obj )
{
const plCoordinateInterface* ci = obj->GetCoordinateInterface();
if ( ci )
return pyVector3::New(ci->GetLocalToWorld().GetAxis(hsMatrix44::kRight));
else
{
plString errmsg = plString::Format("Sceneobject %s does not have a coordinate interface.",
obj->GetKeyName().c_str());
PyErr_SetString(PyExc_RuntimeError, errmsg.c_str());
return nil; // return nil to tell python we errored
}
}
}
// if we couldn't find any sceneobject or a coordinate interface
return pyVector3::New(hsVector3(0,0,0));
}
void plAnimatedMovementStrategy::IRecalcAngularVelocity(float elapsed, hsMatrix44 &prevMat, hsMatrix44 &curMat)
{
fAnimAngularVel = 0.0f;
float appliedVelocity = 0.0f;
hsVector3 prevForward = GetYAxis(prevMat);
hsVector3 curForward = GetYAxis(curMat);
float angleSincePrev = AngleRad2d(curForward.fX, curForward.fY, prevForward.fX, prevForward.fY);
bool sincePrevSign = angleSincePrev > 0.0f;
if (angleSincePrev > float(M_PI))
angleSincePrev = angleSincePrev - TWO_PI;
const hsVector3 startForward = hsVector3(0.0f, -1.0f, 0.0f); // the Y orientation of a "resting" armature....
float angleSinceStart = AngleRad2d(curForward.fX, curForward.fY, startForward.fX, startForward.fY);
bool sinceStartSign = angleSinceStart > 0.0f;
if (angleSinceStart > float(M_PI))
angleSinceStart = angleSinceStart - TWO_PI;
// HANDLING ANIMATION WRAPPING:
// under normal conditions, the angle from rest to the current frame will have the same
// sign as the angle from the previous frame to the current frame.
// if it does not, we have (most likely) wrapped the motivating animation from frame n back
// to frame zero, creating a large angle from the previous frame to the current one
if (sincePrevSign == sinceStartSign)
{
// signs are the same; didn't wrap; use the frame-to-frame angle difference
appliedVelocity = angleSincePrev / elapsed; // rotation / time
if (fabs(appliedVelocity) < 3)
{
fAnimAngularVel = appliedVelocity;
}
}
}
static int pyPlane3___init__(pyPlane3* self, PyObject* args, PyObject* kwds) {
float x = 0.0f, y = 0.0f, z = 0.0f, w = 0.0f;
PyObject* init = NULL;
static char* kwlist[] = { "X", "Y", "Z", "W", NULL };
static char* kwlist2[] = { "Plane", NULL };
if (PyArg_ParseTupleAndKeywords(args, kwds, "ffff", kwlist, &x, &y, &z, &w)) {
(*self->fThis) = hsPlane3(hsVector3(x, y, z), w);
} else if (PyErr_Clear(), PyArg_ParseTupleAndKeywords(args, kwds, "|O", kwlist2, &init)) {
if (init == NULL) {
(*self->fThis) = hsPlane3();
return 0;
}
if (pyPlane3_Check(init)) {
(*self->fThis) = (*((pyPlane3*)init)->fThis);
} else {
PyErr_SetString(PyExc_TypeError, "__init__ expects a Plane");
return -1;
}
} else {
return -1;
}
return 0;
}
PyObject* pySceneObject::GetAvatarVelocity()
{
// loop through all the sceneobject... looking for avatar modifiers
int j;
for ( j=0 ; j<fSceneObjects.Count() ; j++ )
{
// get the object pointer of just the first one in the list
// (We really can't tell which one the user is thinking of if they are
// referring to multiple objects, so the first one in the list will do.)
plSceneObject* obj = plSceneObject::ConvertNoRef(fSceneObjects[j]->ObjectIsLoaded());
if ( obj )
{
// search through its modifiers to see if one of them is an avatar modifier
int i;
for ( i=0; i<obj->GetNumModifiers(); i++ )
{
const plModifier* mod = obj->GetModifier(i);
// see if it is an avatar mod base class
const plArmatureMod* avatar = plArmatureMod::ConvertNoRef(mod);
if ( avatar && avatar->GetController() )
{
hsVector3 vel = avatar->GetController()->GetLinearVelocity();
return pyVector3::New(vel);
}
}
}
}
// if we couldn't find any sceneobject that had an avatar mod then this ain't an avatar
return pyVector3::New(hsVector3(0,0,0));
}
hsVector3 plAvBrainCritter::VectorToPlayer(unsigned long id) const
{
plArmatureMod* avatar = plAvatarMgr::GetInstance()->FindAvatarByPlayerID(id);
if (!avatar)
return hsVector3(0, 0, 0);
hsPoint3 avPos;
hsQuat avRot;
avatar->GetPositionAndRotationSim(&avPos, &avRot);
hsPoint3 creaturePos;
hsQuat creatureRot;
fAvMod->GetPositionAndRotationSim(&creaturePos, &creatureRot);
return hsVector3(creaturePos - avPos);
}
void plPXPhysicalControllerCore::IDrawDebugDisplay()
{
plDebugText &debugTxt = plDebugText::Instance();
char strBuf[ 2048 ];
int lineHeight = debugTxt.GetFontSize() + 4;
uint32_t scrnWidth, scrnHeight;
debugTxt.GetScreenSize( &scrnWidth, &scrnHeight );
int y = 10;
int x = 10;
sprintf(strBuf, "Controller Count: %d", gControllers.size());
debugTxt.DrawString(x, y, strBuf);
y += lineHeight;
debugTxt.DrawString(x, y, "Avatar Collisions:");
y += lineHeight;
int i;
for (i = 0; i < fDbgCollisionInfo.GetCount(); i++)
{
hsVector3 normal = fDbgCollisionInfo[i].fNormal;
char *overlapStr = fDbgCollisionInfo[i].fOverlap ? "yes" : "no";
float angle = hsRadiansToDegrees(acos(normal * hsVector3(0, 0, 1)));
sprintf(strBuf, " Obj: %s, Normal: (%.2f, %.2f, %.2f), Angle(%.1f), Overlap(%3s)",
fDbgCollisionInfo[i].fSO->GetKeyName().c_str(),
normal.fX, normal.fY, normal.fZ, angle, overlapStr);
debugTxt.DrawString(x, y, strBuf);
y += lineHeight;
}
}
void plCullNode::ITakeHalfPoly(const plCullPoly& srcPoly,
const hsTArray<int>& vtxIdx,
const hsBitVector& onVerts,
plCullPoly& outPoly) const
{
if( vtxIdx.GetCount() > 2 )
{
int i;
for( i = 0; i < vtxIdx.GetCount(); i++ )
{
int next = i < vtxIdx.GetCount()-1 ? i+1 : 0;
int last = i ? i-1 : vtxIdx.GetCount()-1;
// If these 3 verts are all on the plane, we may have created a collinear vertex (the middle one)
// which we now want to skip.
if( onVerts.IsBitSet(vtxIdx[i]) && onVerts.IsBitSet(vtxIdx[last]) && onVerts.IsBitSet(vtxIdx[next]) )
{
#if 0 // FISH
float dot = hsVector3(&srcPoly.fVerts[vtxIdx[last]], &srcPoly.fVerts[vtxIdx[i]]).InnerProduct(hsVector3(&srcPoly.fVerts[vtxIdx[next]], &srcPoly.fVerts[vtxIdx[i]]));
if( dot <= 0 )
#endif // FISH
continue;
}
if( srcPoly.fClipped.IsBitSet(vtxIdx[i])
||(onVerts.IsBitSet(vtxIdx[i]) && onVerts.IsBitSet(vtxIdx[next])) )
outPoly.fClipped.SetBit(outPoly.fVerts.GetCount());
outPoly.fVerts.Append(srcPoly.fVerts[vtxIdx[i]]);
}
}
else
{
// Just need a break point
hsStatusMessage("Under 2"); // FISH
}
}
void plCullTree::IVisPolyEdge(const hsPoint3& p0, const hsPoint3& p1, hsBool dark) const
{
hsColorRGBA color;
if( dark )
color.Set(0.2f, 0.2f, 0.2f, 1.f);
else
color.Set(1.f, 1.f, 1.f, 1.f);
int vertStart = fVisVerts.GetCount();
hsVector3 dir0(&p0, &fViewPos);
hsFastMath::NormalizeAppr(dir0);
dir0 *= fVisYon;
hsVector3 dir1(&p1, &fViewPos);
hsFastMath::NormalizeAppr(dir1);
dir1 *= fVisYon;
hsPoint3 p3 = fViewPos;
p3 += dir0;
hsPoint3 p2 = fViewPos;
p2 += dir1;
hsVector3 norm = hsVector3(&p0, &fViewPos) % hsVector3(&p1, &fViewPos);
hsFastMath::NormalizeAppr(norm);
fVisVerts.Append(p0);
fVisNorms.Append(norm);
fVisColors.Append(color);
fVisVerts.Append(p1);
fVisNorms.Append(norm);
fVisColors.Append(color);
fVisVerts.Append(p2);
fVisNorms.Append(norm);
fVisColors.Append(color);
fVisVerts.Append(p3);
fVisNorms.Append(norm);
fVisColors.Append(color);
fVisTris.Append(vertStart + 0);
fVisTris.Append(vertStart + 2);
fVisTris.Append(vertStart + 1);
fVisTris.Append(vertStart + 0);
fVisTris.Append(vertStart + 3);
fVisTris.Append(vertStart + 2);
}
hsTArray<hsVector3> plSpanInstance::getPosDeltas() const {
hsTArray<hsVector3> verts;
verts.setSize(fNumVerts);
switch (fEncoding.getCode() & plSpanEncoding::kPosMask) {
case plSpanEncoding::kPos888:
{
unsigned char* pp = fPosDelta;
for (unsigned int i=0; i<fNumVerts; i++) {
verts[i].X = pp[0] * fEncoding.getPosScale();
verts[i].Y = pp[1] * fEncoding.getPosScale();
verts[i].Z = pp[2] * fEncoding.getPosScale();
pp += 3;
}
}
break;
case plSpanEncoding::kPos161616:
{
unsigned short* pp = (unsigned short*)fPosDelta;
for (unsigned int i=0; i<fNumVerts; i++) {
verts[i].X = pp[0] * fEncoding.getPosScale();
verts[i].Y = pp[1] * fEncoding.getPosScale();
verts[i].Z = pp[2] * fEncoding.getPosScale();
pp += 3;
}
}
break;
case plSpanEncoding::kPos101010:
{
unsigned int* pp = (unsigned int*)fPosDelta;
for (unsigned int i=0; i<fNumVerts; i++) {
verts[i].Z = ((*pp >> 20) & 0x3F) * fEncoding.getPosScale();
verts[i].Y = ((*pp >> 10) & 0x3F) * fEncoding.getPosScale();
verts[i].X = ((*pp >> 0) & 0x3F) * fEncoding.getPosScale();
pp++;
}
}
break;
case plSpanEncoding::kPos008:
{
unsigned char* pp = fPosDelta;
for (unsigned int i=0; i<fNumVerts; i++) {
verts[i].X = 0.0f;
verts[i].Y = 0.0f;
verts[i].Z = (*pp) * fEncoding.getPosScale();
pp++;
}
}
break;
default:
for (unsigned int i=0; i<fNumVerts; i++)
verts[i] = hsVector3(0.0f, 0.0f, 0.0f);
break;
}
return verts;
}
void plAvBrainCritter::SightCone(float coneRad)
{
fSightConeAngle = coneRad;
// calculate the minimum dot product for the cone of sight (angle/2 vector dotted with straight ahead)
hsVector3 straightVector(1, 0, 0), viewVector(1, 0, 0), up(0, 1, 0);
hsQuat rotation(fSightConeAngle/2, &up);
viewVector = hsVector3(rotation.Rotate(&viewVector));
viewVector.Normalize();
fSightConeDotMin = straightVector * viewVector;
}
float plCullPoly::ICalcRadius() const
{
float radSq = 0;
int i;
for( i = 0; i < fVerts.GetCount(); i++ )
{
float tmpSq = hsVector3(&fVerts[i], &fCenter).MagnitudeSquared();
if( tmpSq > radSq )
radSq = tmpSq;
}
return radSq * hsFastMath::InvSqrt(radSq);
}
void plPhysicalControllerCore::MoveActorToSim()
{
// Get the current position of the physical
hsPoint3 curLocalPos;
hsPoint3 lastLocalPos;
GetPositionSim(curLocalPos);
MoveKinematicToController(curLocalPos);
lastLocalPos=GetLocalPosition();
fDisplacementThisStep= hsVector3(curLocalPos - lastLocalPos);
fLocalPosition = curLocalPos;
if(fSimLength>0.0f)
fAchievedLinearVelocity=fDisplacementThisStep/fSimLength;
else fAchievedLinearVelocity.Set(0.0f,0.0f,0.0f);
}
float plAnimPath::ICheckInterval(hsPoint3 &pt) const
{
if( fDelTime <= kTerminateDelTime &&
hsVector3(&fCurPos, &fPrevPos).MagnitudeSquared() < kTerminateDelDistSq)
{
return IBestTime();
}
if( fThisTime < 0 )
return 0;
if( fThisTime > fLength )
return fLength;
if( GetFarthest() )
{
if( (fLastDistSq > fThisDistSq)&&(fLastDistSq >= fNextDistSq) )
return IShiftBack(pt);
if( (fNextDistSq > fThisDistSq)&&(fNextDistSq >= fLastDistSq) )
return IShiftFore(pt);
if( (fThisDistSq >= fLastDistSq)&&(fLastDistSq >= fNextDistSq) )
return ISubDivBack(pt);
if( (fThisDistSq >= fNextDistSq)&&(fNextDistSq >= fLastDistSq) )
return ISubDivFore(pt);
}
else
{
if( (fLastDistSq < fThisDistSq)&&(fLastDistSq <= fNextDistSq) )
return IShiftBack(pt);
if( (fNextDistSq < fThisDistSq)&&(fNextDistSq <= fLastDistSq) )
return IShiftFore(pt);
if( (fThisDistSq <= fLastDistSq)&&(fLastDistSq <= fNextDistSq) )
return ISubDivBack(pt);
if( (fThisDistSq <= fNextDistSq)&&(fNextDistSq <= fLastDistSq) )
return ISubDivFore(pt);
}
hsAssert(false, "Shouldn't have gotten here");
return 0;
}
void plPhysicalControllerCore::IncrementAngle(float deltaAngle)
{
float angle;
hsVector3 axis;
fLocalRotation.NormalizeIfNeeded();
fLocalRotation.GetAngleAxis(&angle, &axis);
// adjust it (quaternions are weird...)
if (axis.fZ < 0)
angle = (2*M_PI) - angle; // axis is backwards, so reverse the angle too
angle += deltaAngle;
// make sure we wrap around
if (angle < 0)
angle = (2*M_PI) + angle; // angle is -, so this works like a subtract
if (angle >= (2*M_PI))
angle = angle - (2*M_PI);
// and set the new angle
fLocalRotation.SetAngleAxis(angle, hsVector3(0,0,1));
}
//
// Precompute array of arclen deltas for lookahead ability.
// Changes current time!
//
void plAnimPath::ComputeArcLenDeltas(int32_t numSamples)
{
if (fArcLenDeltas.GetCount() >= numSamples)
return; // already computed enough samples
// compute arc len deltas
fArcLenDeltas.Reset();
fArcLenDeltas.SetCount(numSamples);
float animLen = GetLength();
float timeInc = animLen/(numSamples-1); // use num-1 since we'll create the zeroth entry by hand
float time=0;
hsPoint3 p1, p2;
int32_t cnt=0;
// prime initial point
SetCurTime(0, kCalcPosOnly);
GetPosition(&p1);
ArcLenDeltaInfo aldi(time, 0);
fArcLenDeltas[cnt++]=aldi;
time += timeInc;
bool quit=false;
while(!quit && time<animLen+timeInc)
{
if (time > animLen || cnt+1 == numSamples)
{
time = animLen;
quit=true;
}
SetCurTime(time, kCalcPosOnly);
GetPosition(&p2);
ArcLenDeltaInfo aldi(time, hsVector3(&p2, &p1).Magnitude());
fArcLenDeltas[cnt++]=aldi;
time += timeInc;
p1 = p2;
}
hsAssert(fArcLenDeltas.GetCount()==numSamples, "arcLenArray size wrong?");
hsAssert(cnt==numSamples, "arcLenArray size wrong?");
}
void hsMatrix44::MakeEnvMapMatrices(const hsPoint3& pos, hsMatrix44* worldToCameras, hsMatrix44* cameraToWorlds)
{
MakeCameraMatrices(pos, hsPoint3(pos.fX - 1.f, pos.fY, pos.fZ), hsVector3(0, 0, 1.f), worldToCameras[0], cameraToWorlds[0]);
MakeCameraMatrices(pos, hsPoint3(pos.fX + 1.f, pos.fY, pos.fZ), hsVector3(0, 0, 1.f), worldToCameras[1], cameraToWorlds[1]);
MakeCameraMatrices(pos, hsPoint3(pos.fX, pos.fY + 1.f, pos.fZ), hsVector3(0, 0, 1.f), worldToCameras[2], cameraToWorlds[2]);
MakeCameraMatrices(pos, hsPoint3(pos.fX, pos.fY - 1.f, pos.fZ), hsVector3(0, 0, 1.f), worldToCameras[3], cameraToWorlds[3]);
MakeCameraMatrices(pos, hsPoint3(pos.fX, pos.fY, pos.fZ + 1.f), hsVector3(0, -1.f, 0), worldToCameras[4], cameraToWorlds[4]);
MakeCameraMatrices(pos, hsPoint3(pos.fX, pos.fY, pos.fZ - 1.f), hsVector3(0, 1.f, 0), worldToCameras[5], cameraToWorlds[5]);
}
// There's actually a possibly faster way to do all this.
// The barycentric coordinate in 3-space is the same as the barycentric coordinate of the projection
// in 2-space, as long as the projection doesn't degenerate the triangle (i.e. project the tri onto
// a plane perpindicular to the tri). The tri can't be perpindicular to all three major axes, so by
// picking the right one (or just not picking the wrong one), the lengths of the cross products becomes
// just the z component (e.g. v0.x*v1.y - v0.y*v1.x), so all the square roots go away (not to mention all
// the vector math going from 3 component to 2).
plTriUtils::Bary plTriUtils::ComputeBarycentricProjection(const hsPoint3& p0, const hsPoint3& p1, const hsPoint3& p2, hsPoint3&p, hsPoint3& out)
{
hsVector3 v12(&p1, &p2);
hsVector3 v02(&p0, &p2);
hsVector3 norm = Cross(v12, v02);
float invLenSq12 = norm.MagnitudeSquared();
if( invLenSq12 < kAlmostZero )
return kDegenerateTri; // degenerate triangle
invLenSq12 = 1.f / invLenSq12;
p += norm * (hsVector3(&p2, &p).InnerProduct(norm) * invLenSq12);
hsVector3 vp2(&p, &p2);
hsVector3 v0 = Cross(v12, vp2);
hsVector3 v1 = Cross(vp2, v02);
return IComputeBarycentric(norm, invLenSq12, v0, v1, out);
}
bool plDynaBulletMgr::IHandleShot(plBulletMsg* bull)
{
hsVector3 up = IRandomUp(bull->Dir());
hsPoint3 pos = bull->From() + bull->Dir() * (bull->Range() * 0.5f);
fCutter->SetLength(hsVector3(bull->Radius() * fScale.fX, bull->Radius() * fScale.fY, bull->Range()));
fCutter->Set(pos, up, -bull->Dir());
plDynaDecalInfo& info = IGetDecalInfo(uintptr_t(this), GetKey());
if( bull->PartyTime() > 0 )
fPartyTime = bull->PartyTime();
double secs = hsTimer::GetSysSeconds();
if( ICutoutTargets(secs) )
info.fLastTime = secs;
return true;
}
void plSwimStraightCurrentRegion::GetCurrent(plPhysicalControllerCore *physical, hsVector3 &linearResult, float &angularResult, float elapsed)
{
angularResult = 0.f;
if (elapsed <= 0.f || GetProperty(kDisable))
{
linearResult.Set(0.f, 0.f, 0.f);
return;
}
hsPoint3 center, pos;
hsVector3 current = fCurrentSO->GetLocalToWorld() * hsVector3(0.f, 1.f, 0.f);
hsScalarTriple xlate = fCurrentSO->GetLocalToWorld().GetTranslate();
center.Set(&xlate);
physical->GetPositionSim(pos);
plKey worldKey = physical->GetSubworld();
if (worldKey)
{
plSceneObject* so = plSceneObject::ConvertNoRef(worldKey->ObjectIsLoaded());
hsMatrix44 w2l = so->GetWorldToLocal();
center = w2l * center;
current = w2l * current;
}
hsVector3 pos2Center(center.fX - pos.fX, center.fY - pos.fY, 0.f);
float dist = current.InnerProduct(pos - center);
float pullVel;
if (dist <= fNearDist)
pullVel = fNearVel;
else if (dist >= fFarDist)
pullVel = fFarVel;
else
pullVel = fNearVel + (fFarVel - fNearVel) * (dist - fNearDist) / (fFarDist - fNearDist);
linearResult = current * pullVel;
}
static inline hsVector3 Cross(const hsScalarTriple& p0, const hsScalarTriple& p1)
{
return hsVector3(p0.fY * p1.fZ - p0.fZ * p1.fY,
p0.fZ * p1.fX - p0.fX * p1.fZ,
p0.fX * p1.fY - p0.fY * p1.fX);
}
void plPXPhysical::ClearLinearVelocity()
{
SetLinearVelocitySim(hsVector3(0, 0, 0));
}
void plRidingAnimatedPhysicalStrategy::Apply(float delSecs)
{
hsVector3 LinearVelocity=fCore->GetLinearVelocity();
hsVector3 AchievedLinearVelocity=fCore->GetAchievedLinearVelocity();
if (fCore->IsKinematic())
{
//want to make sure nothing funky happens in the sim
IApplyKinematic();
return;
}
if (!fCore->IsEnabled())
return;
//need to sweep ahead to see what we might hit.
// if we hit anything we should probably apply the force that would normally be applied in
fCore->SetPushingPhysical(nil);
fCore->SetFacingPushingPhysical( false);
plSceneObject* so = plSceneObject::ConvertNoRef(fOwner->ObjectIsLoaded());
hsPoint3 startPos, desiredDestination, endPos;
fCore->GetPositionSim(startPos);
uint32_t collideFlags =
1<<plSimDefs::kGroupStatic |
1<<plSimDefs::kGroupAvatarBlocker |
1<<plSimDefs::kGroupDynamic;
std::multiset<plControllerSweepRecord> GroundHitRecords;
int possiblePlatformCount =fCore->SweepControllerPath(startPos, startPos + hsPoint3(0.f,0.f, -0.002f), true, true, collideFlags, GroundHitRecords);
float maxPlatformVel = - FLT_MAX;
int platformCount=0;
fGroundHit = false;
if(possiblePlatformCount)
{
std::multiset<plControllerSweepRecord>::iterator curRecord;
for(curRecord = GroundHitRecords.begin(); curRecord != GroundHitRecords.end(); curRecord++)
{
hsBool groundlike=false;
if((curRecord->locHit.fZ - startPos.fZ)<= .2) groundlike= true;
if(groundlike)
{
if(curRecord->ObjHit !=nil)
{
hsVector3 vel;
curRecord->ObjHit->GetLinearVelocitySim(vel);
if(vel.fZ > maxPlatformVel)
{
maxPlatformVel= vel.fZ;
}
}
platformCount ++;
fGroundHit = true;
}
}
}
bool gotGroundHit = fGroundHit;
if (so)
{
// If we've been moved since the last physics update (somebody warped us),
// update the physics before we apply velocity.
const hsMatrix44& l2w = so->GetCoordinateInterface()->GetLocalToWorld();
if (!CompareMatrices(l2w, fCore->GetLastGlobalLoc(), .0001f))
fCore->SetGlobalLoc(l2w);
// Convert our avatar relative velocity to subworld relative
if (!LinearVelocity.IsEmpty())
{
LinearVelocity = l2w * LinearVelocity;
const plCoordinateInterface* subworldCI = fCore->GetSubworldCI();
if (subworldCI)
LinearVelocity = subworldCI->GetWorldToLocal() * LinearVelocity;
}
if(!IsOnGround())
{
if(!fNeedVelocityOverride)
{
LinearVelocity.fZ= AchievedLinearVelocity.fZ;
}
else
{
LinearVelocity = fOverrideVelocity;
}
}
if(fStartJump)
{
LinearVelocity.fZ =12.0f;
}
if(platformCount)
{
LinearVelocity.fZ = LinearVelocity.fZ + maxPlatformVel;
}
//probably neeed to do something with contact normals in here
//for false ground stuff
fFalseGround = false;
hsVector3 testLength = LinearVelocity * delSecs + hsVector3(0.0, 0.0, -0.00f);
//
hsPoint3 desiredDestination= startPos + testLength;
if(!IsOnGround())
{
if(ICheckMove(startPos, desiredDestination))
{//we can get there soley by the LinearVelocity
fNeedVelocityOverride =false;
}
else
{
fNeedVelocityOverride =true;
fOverrideVelocity = LinearVelocity;
fOverrideVelocity.fZ -= delSecs * 32.f;
}
}
else
{
fNeedVelocityOverride =false;
}
fCore->SetLinearVelocity(LinearVelocity);
}
}
hsBool plDynaRippleVSMgr::IRippleFromShape(const plPrintShape* shape, hsBool force)
{
if( !ICheckRTMat() )
return false;
if( !shape )
return false;
hsBool retVal = false;
plDynaDecalInfo& info = IGetDecalInfo(uintptr_t(shape), shape->GetKey());
const hsMatrix44& shapeL2W = shape->GetOwner()->GetLocalToWorld();
plConst(float) kMinDist(2.0f);
plConst(float) kMinTime(1.5f);
double t = hsTimer::GetSysSeconds();
float dt = float(t - info.fLastTime) * sRand.RandZeroToOne();
hsBool longEnough = (dt >= kMinTime);
hsPoint3 xlate = shapeL2W.GetTranslate();
hsBool farEnough = (hsVector3(&info.fLastPos, &xlate).Magnitude() > kMinDist);
if( force || longEnough || farEnough )
{
hsPoint3 pos = shapeL2W.GetTranslate();
// We'll perturb the position a little so it doesn't look quite so regular,
// but we perturb it more if we're just standing still
hsVector3 randPert(sRand.RandMinusOneToOne(), sRand.RandMinusOneToOne(), 0);
randPert.Normalize();
if( !farEnough )
{
plConst(float) kRandPert = 0.5f;
randPert *= kRandPert;
}
else
{
plConst(float) kRandPert = 0.15f;
randPert *= kRandPert;
}
pos += randPert;
// Are we potentially touching the water?
float waterHeight = fWaveSetBase->GetHeight();
if( (pos.fZ - fScale.fZ * shape->GetHeight() < waterHeight)
&&(pos.fZ + fScale.fZ * shape->GetHeight() > waterHeight) )
{
hsVector3 dir(fWaveSetBase->GetWindDir());
hsVector3 up(0.f, 0.f, 1.f);
float wid = hsMaximum(shape->GetWidth(), shape->GetLength());
plConst(float) kMaxWaterDepth(1000.f);
hsVector3 size(wid * fScale.fX, wid * fScale.fY, kMaxWaterDepth);
fCutter->SetLength(size);
fCutter->Set(pos, dir, up);
hsBool hit = ICutoutTargets(t);
if( hit )
{
info.fLastTime = t;
info.fLastPos = shapeL2W.GetTranslate();
retVal = true;
}
else
{
retVal = false; // No-effect else just for break points.
}
}
}
return retVal;
}
bool plRidingAnimatedPhysicalStrategy::ICheckMove(const hsPoint3& startPos, const hsPoint3& desiredPos)
{
//returns false if it believes the end result can't be obtained by pure application of velocity (collides into somthing that it can't climb up)
//used as a way to check if it needs to hack getting there like in jumping
uint32_t collideFlags =
1<<plSimDefs::kGroupStatic |
1<<plSimDefs::kGroupAvatarBlocker |
1<<plSimDefs::kGroupDynamic;
bool hitBottomOfCapsule=false;
bool hitOther=false;
float timeOfOtherHits = FLT_MAX;
float timeFirstBottomHit = -1.0;
if(!fCore->IsSeeking())
{
collideFlags|=(1<<plSimDefs::kGroupExcludeRegion);
}
if((desiredPos.fZ - startPos.fZ) < -1.f)//we will let gravity take care of it when falling
return true;
fContactNormals.SetCount(0);
std::multiset< plControllerSweepRecord > DynamicHits;
int NumberOfHits=fCore->SweepControllerPath(startPos, desiredPos, true, true, collideFlags, DynamicHits);
hsPoint3 stepFromPoint;
hsVector3 movementdir(&startPos, &desiredPos);
movementdir.Normalize();
if(NumberOfHits)
{
hsPoint3 initBottomPos;
fCore->GetPositionSim(initBottomPos);
std::multiset< plControllerSweepRecord >::iterator cur;
hsVector3 testLength(desiredPos - startPos);
bool freeMove=true;
for(cur = DynamicHits.begin(); cur != DynamicHits.end(); cur++)
{
if(movementdir.InnerProduct(cur->Norm)>0.01f)
{
hsVector3 topOfBottomHemAtTimeT=hsVector3(initBottomPos + testLength * cur->TimeHit );
topOfBottomHemAtTimeT.fZ = topOfBottomHemAtTimeT.fZ + fCore->GetControllerWidth();
if(cur->locHit.fZ <= (topOfBottomHemAtTimeT.fZ -.5f))
{
hitBottomOfCapsule=true;
hsVector3 norm= hsVector3(-1*(cur->locHit-topOfBottomHemAtTimeT));
norm.Normalize();
IAddContactNormals(norm);
}
else
{
return false;
}
}
}
return true;
}
else
{
return true;
}
}
void plBlower::IBlow(double secs, float delSecs)
{
hsPoint3 worldPos = fTarget->GetLocalToWorld().GetTranslate();
hsPoint3 localPos = fTarget->GetLocalToParent().GetTranslate();
// fast oscillation vs slow
// Completely random walk in the rotation
// Strength = Strength + rnd01 * (MaxStrength - Strength)
float t = (fAccumTime += delSecs);
float strength = 0;
int i;
for( i = 0; i < fOscillators.GetCount(); i++ )
{
float c, s;
t *= fOscillators[i].fFrequency * fMasterFrequency;
t += fOscillators[i].fPhase;
hsFastMath::SinCosAppr(t, s, c);
c += fBias;
strength += c * fOscillators[i].fPower;
}
strength *= fMasterPower;
if( strength < 0 )
strength = 0;
fDirection.fX += fRandom.RandMinusOneToOne() * delSecs * fDirectRate;
fDirection.fY += fRandom.RandMinusOneToOne() * delSecs * fDirectRate;
hsFastMath::NormalizeAppr(fDirection);
float offDist = hsVector3(&fRestPos, &worldPos).Magnitude();
if( offDist > fMaxOffsetDist )
fMaxOffsetDist = offDist;
hsVector3 force = fDirection * strength;
static float kOffsetDistFrac = 0.5f; // make me const
if( offDist > fMaxOffsetDist * kOffsetDistFrac )
{
offDist /= fMaxOffsetDist;
offDist *= fMasterPower;
float impulse = offDist * delSecs * fImpulseRate;
force.fX += impulse * fRandom.RandMinusOneToOne();
force.fY += impulse * fRandom.RandMinusOneToOne();
force.fZ += impulse * fRandom.RandMinusOneToOne();
}
const float kOffsetDistDecay = 0.999f;
fMaxOffsetDist *= kOffsetDistDecay;
hsVector3 accel = force;
accel += fSpringKonst * hsVector3(&fLocalRestPos, &localPos);
hsVector3 del = accel * (delSecs * delSecs);
fCurrDel = del;
}
