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metaforce/Runtime/Collision/CCollisionActorManager.cpp

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#include "CCollisionActorManager.hpp"
#include "TCastTo.hpp"
#include "World/CActor.hpp"
#include "CStateManager.hpp"
#include "CMaterialList.hpp"
#include "Collision/CCollisionActor.hpp"
namespace urde {
CCollisionActorManager::CCollisionActorManager(CStateManager& mgr, TUniqueId owner, TAreaId area,
const std::vector<CJointCollisionDescription>& descs, bool active)
: x10_ownerId(owner), x12_active(active) {
if (TCastToConstPtr<CActor> act = mgr.GetObjectById(x10_ownerId)) {
zeus::CTransform xf = act->GetTransform();
const CAnimData* animData = act->GetModelData()->GetAnimationData();
zeus::CVector3f scale = act->GetModelData()->GetScale();
zeus::CTransform scaleXf = zeus::CTransform::Scale(scale);
x0_jointDescriptions.reserve(descs.size());
for (const CJointCollisionDescription& desc : descs) {
CJointCollisionDescription modDesc = desc;
modDesc.ScaleAllBounds(scale);
zeus::CTransform locXf = GetWRLocatorTransform(*animData, modDesc.GetPivotId(), xf, scaleXf);
if (modDesc.GetNextId() != 0xff) {
zeus::CTransform locXf2 = GetWRLocatorTransform(*animData, modDesc.GetNextId(), xf, scaleXf);
float dist = (locXf2.origin - locXf.origin).magnitude();
if (modDesc.GetType() == CJointCollisionDescription::ECollisionType::OBBAutoSize) {
if (dist <= FLT_EPSILON)
continue;
zeus::CVector3f bounds = modDesc.GetBounds();
bounds.y() += dist;
CCollisionActor* newAct =
new CCollisionActor(mgr.AllocateUniqueId(), area, x10_ownerId, bounds,
zeus::CVector3f(0.f, 0.5f * dist, 0.f), active, modDesc.GetMass(), desc.GetName());
if (modDesc.GetOrientationType() == CJointCollisionDescription::EOrientationType::Zero) {
newAct->SetTransform(locXf);
} else {
zeus::CVector3f delta = (locXf2.origin - locXf.origin).normalized();
zeus::CVector3f upVector = locXf.basis[2];
if (zeus::close_enough(std::fabs(delta.dot(upVector)), 1.f))
upVector = locXf.basis[1];
newAct->SetTransform(zeus::lookAt(locXf.origin, locXf.origin + delta, upVector));
}
mgr.AddObject(newAct);
x0_jointDescriptions.push_back(desc);
x0_jointDescriptions.back().SetCollisionActorId(newAct->GetUniqueId());
} else {
TUniqueId newId = mgr.AllocateUniqueId();
CCollisionActor* newAct =
new CCollisionActor(newId, area, x10_ownerId, active, modDesc.GetRadius(), modDesc.GetMass(),
desc.GetName());
newAct->SetTransform(locXf);
mgr.AddObject(newAct);
x0_jointDescriptions.push_back(CJointCollisionDescription::SphereCollision(
modDesc.GetPivotId(), modDesc.GetRadius(), modDesc.GetName(), 0.001f));
x0_jointDescriptions.back().SetCollisionActorId(newId);
u32 numSeps = u32(dist / modDesc.GetMaxSeparation());
if (numSeps) {
x0_jointDescriptions.reserve(x0_jointDescriptions.capacity() + numSeps);
float pitch = dist / float(numSeps + 1);
for (u32 i = 0; i < numSeps; ++i) {
float separation = pitch * float(i + 1);
x0_jointDescriptions.push_back(CJointCollisionDescription::SphereSubdivideCollision(
modDesc.GetPivotId(), modDesc.GetNextId(), modDesc.GetRadius(), separation,
CJointCollisionDescription::EOrientationType::One, modDesc.GetName(), 0.001f));
TUniqueId newId2 = mgr.AllocateUniqueId();
CCollisionActor* newAct2 =
new CCollisionActor(newId2, area, x10_ownerId, active, modDesc.GetRadius(), modDesc.GetMass(),
desc.GetName());
if (modDesc.GetOrientationType() == CJointCollisionDescription::EOrientationType::Zero) {
newAct2->SetTransform(zeus::CTransform::Translate(locXf.origin + separation * locXf.basis[1]));
} else {
zeus::CVector3f delta = (locXf2.origin - locXf.origin).normalized();
zeus::CVector3f upVector = locXf.basis[2];
if (zeus::close_enough(std::fabs(delta.dot(upVector)), 1.f))
upVector = locXf.basis[1];
zeus::CTransform lookAt = zeus::lookAt(zeus::CVector3f::skZero, delta, upVector);
newAct2->SetTransform(zeus::CTransform::Translate(lookAt.basis[1] * separation + locXf.origin));
}
mgr.AddObject(newAct2);
x0_jointDescriptions.back().SetCollisionActorId(newId2);
}
}
}
} else {
TUniqueId newId = mgr.AllocateUniqueId();
CCollisionActor* newAct;
if (modDesc.GetType() == CJointCollisionDescription::ECollisionType::Sphere)
newAct = new CCollisionActor(newId, area, x10_ownerId, active, modDesc.GetRadius(), modDesc.GetMass(),
desc.GetName());
else if (modDesc.GetType() == CJointCollisionDescription::ECollisionType::OBB)
newAct = new CCollisionActor(newId, area, x10_ownerId, modDesc.GetBounds(), modDesc.GetPivotPoint(), active,
modDesc.GetMass(), desc.GetName());
else
newAct = new CCollisionActor(newId, area, x10_ownerId, modDesc.GetBounds(), active, modDesc.GetMass(),
desc.GetName());
newAct->SetTransform(locXf);
mgr.AddObject(newAct);
x0_jointDescriptions.push_back(desc);
x0_jointDescriptions.back().SetCollisionActorId(newId);
}
}
}
}
void CCollisionActorManager::Destroy(CStateManager& mgr) const {
for (const CJointCollisionDescription& desc : x0_jointDescriptions)
mgr.FreeScriptObject(desc.GetCollisionActorId());
const_cast<CCollisionActorManager&>(*this).x13_destroyed = true;
}
void CCollisionActorManager::SetActive(CStateManager& mgr, bool active) {
x12_active = active;
for (const CJointCollisionDescription& jDesc : x0_jointDescriptions) {
if (TCastToPtr<CActor> act = mgr.ObjectById(jDesc.GetCollisionActorId())) {
bool curActive = act->GetActive();
if (curActive != active)
act->SetActive(active);
if (active)
Update(0.f, mgr, EUpdateOptions::WorldSpace);
}
}
}
void CCollisionActorManager::AddMaterial(CStateManager& mgr, const CMaterialList& list) {
for (const CJointCollisionDescription& jDesc : x0_jointDescriptions)
if (TCastToPtr<CActor> act = mgr.ObjectById(jDesc.GetCollisionActorId()))
act->AddMaterial(list);
}
void CCollisionActorManager::SetMovable(CStateManager& mgr, bool movable) {
if (x14_movable == movable)
return;
x14_movable = movable;
for (const CJointCollisionDescription& jDesc : x0_jointDescriptions) {
if (TCastToPtr<CCollisionActor> act = mgr.ObjectById(jDesc.GetCollisionActorId())) {
act->SetMovable(x14_movable);
act->SetUseInSortedLists(x14_movable);
}
}
}
void CCollisionActorManager::Update(float dt, CStateManager& mgr, EUpdateOptions opts) {
if (!x14_movable)
SetMovable(mgr, true);
if (x12_active) {
if (TCastToPtr<CActor> act = mgr.ObjectById(x10_ownerId)) {
const CAnimData& animData = *act->GetModelData()->GetAnimationData();
zeus::CTransform actXf = act->GetTransform();
zeus::CTransform scaleXf = zeus::CTransform::Scale(act->GetModelData()->GetScale());
for (const CJointCollisionDescription& jDesc : x0_jointDescriptions) {
if (TCastToPtr<CCollisionActor> cAct = mgr.ObjectById(jDesc.GetCollisionActorId())) {
zeus::CTransform pivotXf = GetWRLocatorTransform(animData, jDesc.GetPivotId(), actXf, scaleXf);
zeus::CVector3f origin = pivotXf.origin;
if (jDesc.GetType() == CJointCollisionDescription::ECollisionType::OBB ||
jDesc.GetType() == CJointCollisionDescription::ECollisionType::OBBAutoSize) {
if (jDesc.GetOrientationType() == CJointCollisionDescription::EOrientationType::Zero) {
cAct->SetTransform(zeus::CQuaternion(pivotXf.basis).toTransform(cAct->GetTranslation()));
} else {
zeus::CTransform nextXf = GetWRLocatorTransform(animData, jDesc.GetNextId(), actXf, scaleXf);
cAct->SetTransform(zeus::CQuaternion(zeus::lookAt(pivotXf.origin, nextXf.origin, pivotXf.basis[2]).basis)
.toTransform(cAct->GetTranslation()));
}
} else if (jDesc.GetType() == CJointCollisionDescription::ECollisionType::SphereSubdivide) {
if (jDesc.GetOrientationType() == CJointCollisionDescription::EOrientationType::Zero) {
origin += jDesc.GetMaxSeparation() * pivotXf.basis[1];
} else {
zeus::CTransform nextXf = GetWRLocatorTransform(animData, jDesc.GetNextId(), actXf, scaleXf);
origin += zeus::lookAt(origin, nextXf.origin, pivotXf.basis[2]).basis[1] * jDesc.GetMaxSeparation();
}
}
if (opts == EUpdateOptions::ObjectSpace)
cAct->MoveToOR(cAct->GetTransform().transposeRotate(origin - cAct->GetTranslation()), dt);
else
cAct->SetTranslation(origin);
}
}
}
}
}
zeus::CTransform CCollisionActorManager::GetWRLocatorTransform(const CAnimData& animData, CSegId id,
const zeus::CTransform& worldXf,
const zeus::CTransform& localXf) {
zeus::CTransform locXf = animData.GetLocatorTransform(id, nullptr);
zeus::CVector3f origin = worldXf * (localXf * locXf.origin);
locXf = worldXf.multiplyIgnoreTranslation(locXf);
locXf.origin = origin;
return locXf;
}
std::optional<zeus::CVector3f> CCollisionActorManager::GetDeviation(const CStateManager& mgr, CSegId seg) {
for (const CJointCollisionDescription& desc : x0_jointDescriptions) {
if (desc.GetPivotId() != seg)
continue;
if (TCastToConstPtr<CActor> act = mgr.GetObjectById(x10_ownerId)) {
if (TCastToConstPtr<CCollisionActor> colAct = mgr.GetObjectById(desc.GetCollisionActorId())) {
zeus::CTransform xf = GetWRLocatorTransform(*act->GetModelData()->GetAnimationData(), desc.GetPivotId(),
act->GetTransform(),
zeus::CTransform::Scale(act->GetModelData()->GetScale()));
return {colAct->GetTranslation() - xf.origin};
}
}
}
return {};
}
} // namespace urde
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