metaforce/Runtime/Collision/CCollidableOBBTreeGroup.cpp

275 lines
11 KiB
C++

#include "CCollidableOBBTreeGroup.hpp"
#include "CCollidableOBBTree.hpp"
#include "CCollidableAABox.hpp"
#include "CCollidableSphere.hpp"
#include "CInternalRayCastStructure.hpp"
#include "CollisionUtil.hpp"
#include "CToken.hpp"
namespace urde
{
const CCollisionPrimitive::Type CCollidableOBBTreeGroup::sType(CCollidableOBBTreeGroup::SetStaticTableIndex, "CCollidableOBBTreeGroup");
u32 CCollidableOBBTreeGroup::sTableIndex = -1;
CCollidableOBBTreeGroupContainer::CCollidableOBBTreeGroupContainer(CInputStream& in)
{
u32 treeCount = in.readUint32Big();
x0_trees.reserve(treeCount);
for (u32 i = 0 ; i < treeCount ; i++)
{
std::unique_ptr<COBBTree> tree(new COBBTree(in));
x0_trees.push_back(std::move(tree));
}
x10_aabbs.reserve(x0_trees.size());
for (const std::unique_ptr<COBBTree>& tree : x0_trees)
x10_aabbs.push_back(CCollidableOBBTree(tree.get(), CMaterialList()).CalculateLocalAABox());
}
CCollidableOBBTreeGroupContainer::CCollidableOBBTreeGroupContainer(const zeus::CVector3f &, const zeus::CVector3f &)
{
}
CCollidableOBBTreeGroup::CCollidableOBBTreeGroup(const CCollidableOBBTreeGroupContainer* container,
const CMaterialList& matList)
: CCollisionPrimitive(matList)
, x10_container(container)
{
}
void CCollidableOBBTreeGroup::ResetTestStats() const
{
/* Remove me? */
}
u32 CCollidableOBBTreeGroup::GetTableIndex() const
{
return sTableIndex;
}
zeus::CAABox CCollidableOBBTreeGroup::CalculateAABox(const zeus::CTransform& xf) const
{
return x10_container->x20_aabox.getTransformedAABox(xf);
}
zeus::CAABox CCollidableOBBTreeGroup::CalculateLocalAABox() const
{
return x10_container->x20_aabox;
}
FourCC CCollidableOBBTreeGroup::GetPrimType() const
{
return SBIG('OBTG');
}
CRayCastResult CCollidableOBBTreeGroup::CastRayInternal(const CInternalRayCastStructure& rayCast) const
{
CRayCastResult ret;
zeus::CMRay xfRay = rayCast.GetRay().getInvUnscaledTransformRay(rayCast.GetTransform());
auto aabbIt = x10_container->x10_aabbs.cbegin();
float mag = rayCast.GetMaxTime();
for (const std::unique_ptr<COBBTree>& tree : x10_container->x0_trees)
{
CCollidableOBBTree obbTree(tree.get(), GetMaterial());
float tMin = 0.f;
float tMax = 0.f;
if (CollisionUtil::RayAABoxIntersection(xfRay, *aabbIt++, tMin, tMax))
{
CInternalRayCastStructure localCast(xfRay.start, xfRay.dir, mag,
zeus::CTransform::Identity(), rayCast.GetFilter());
CRayCastResult localResult = obbTree.CastRayInternal(localCast);
if (localResult.IsValid())
{
if (ret.IsInvalid() || localResult.GetT() < ret.GetT())
{
ret = localResult;
mag = localResult.GetT();
}
}
}
}
return ret;
}
const CCollisionPrimitive::Type& CCollidableOBBTreeGroup::GetType()
{
return sType;
}
void CCollidableOBBTreeGroup::SetStaticTableIndex(u32 index)
{
sTableIndex = index;
}
bool CCollidableOBBTreeGroup::SphereCollide(const CInternalCollisionStructure& collision, CCollisionInfoList& list)
{
bool ret = false;
const CCollidableSphere& p0 = static_cast<const CCollidableSphere&>(collision.GetLeft().GetPrim());
const CCollidableOBBTreeGroup& p1 = static_cast<const CCollidableOBBTreeGroup&>(collision.GetRight().GetPrim());
zeus::CSphere s0 = p0.Transform(collision.GetLeft().GetTransform());
zeus::COBBox obb1 = zeus::COBBox::FromAABox(p0.CalculateLocalAABox(),
collision.GetRight().GetTransform().inverse() * collision.GetLeft().GetTransform());
for (const std::unique_ptr<COBBTree>& tree : p1.x10_container->x0_trees)
{
CCollidableOBBTree obbTree(tree.get(), p1.GetMaterial());
if (obbTree.SphereCollision(obbTree.x10_tree->GetRoot(), collision.GetRight().GetTransform(),
s0, obb1, p0.GetMaterial(), collision.GetLeft().GetFilter(), list))
ret = true;
}
return ret;
}
bool CCollidableOBBTreeGroup::SphereCollideBoolean(const CInternalCollisionStructure& collision)
{
const CCollidableSphere& p0 = static_cast<const CCollidableSphere&>(collision.GetLeft().GetPrim());
const CCollidableOBBTreeGroup& p1 = static_cast<const CCollidableOBBTreeGroup&>(collision.GetRight().GetPrim());
zeus::CSphere s0 = p0.Transform(collision.GetLeft().GetTransform());
zeus::COBBox obb1 = zeus::COBBox::FromAABox(p0.CalculateLocalAABox(),
collision.GetRight().GetTransform().inverse() * collision.GetLeft().GetTransform());
for (const std::unique_ptr<COBBTree>& tree : p1.x10_container->x0_trees)
{
CCollidableOBBTree obbTree(tree.get(), p1.GetMaterial());
if (obbTree.SphereCollisionBoolean(obbTree.x10_tree->GetRoot(), collision.GetRight().GetTransform(),
s0, obb1, collision.GetLeft().GetFilter()))
return true;
}
return false;
}
bool CCollidableOBBTreeGroup::CollideMovingSphere(const CInternalCollisionStructure& collision, const zeus::CVector3f& dir,
double& mag, CCollisionInfo& info)
{
bool ret = false;
const CCollidableSphere& p0 = static_cast<const CCollidableSphere&>(collision.GetLeft().GetPrim());
const CCollidableOBBTreeGroup& p1 = static_cast<const CCollidableOBBTreeGroup&>(collision.GetRight().GetPrim());
zeus::CSphere s0 = p0.Transform(collision.GetLeft().GetTransform());
zeus::CAABox movedAABB = p0.CalculateLocalAABox();
zeus::CVector3f moveVec = float(mag) * dir;
movedAABB.accumulateBounds(movedAABB.min + moveVec);
movedAABB.accumulateBounds(movedAABB.max + moveVec);
zeus::COBBox p0Obb =
zeus::COBBox::FromAABox(movedAABB,
collision.GetRight().GetTransform().inverse() * collision.GetLeft().GetTransform());
for (const std::unique_ptr<COBBTree>& tree : p1.x10_container->x0_trees)
{
CCollidableOBBTree obbTree(tree.get(), p1.GetMaterial());
CMetroidAreaCollider::ResetInternalCounters();
if (obbTree.SphereCollisionMoving(obbTree.x10_tree->GetRoot(), collision.GetRight().GetTransform(),
s0, p0Obb, p0.GetMaterial(), collision.GetLeft().GetFilter(),
dir, mag, info))
ret = true;
}
return ret;
}
bool CCollidableOBBTreeGroup::AABoxCollide(const CInternalCollisionStructure& collision, CCollisionInfoList& list)
{
bool ret = false;
const CCollidableAABox& p0 = static_cast<const CCollidableAABox&>(collision.GetLeft().GetPrim());
const CCollidableOBBTreeGroup& p1 = static_cast<const CCollidableOBBTreeGroup&>(collision.GetRight().GetPrim());
zeus::CAABox b0 = p0.CalculateAABox(collision.GetLeft().GetTransform());
zeus::COBBox p0Obb =
zeus::COBBox::FromAABox(p0.CalculateLocalAABox(),
collision.GetRight().GetTransform().inverse() * collision.GetLeft().GetTransform());
zeus::CPlane planes[] =
{
{zeus::CVector3f::skRight, b0.min.dot(zeus::CVector3f::skRight)},
{zeus::CVector3f::skLeft, b0.max.dot(zeus::CVector3f::skLeft)},
{zeus::CVector3f::skForward, b0.min.dot(zeus::CVector3f::skForward)},
{zeus::CVector3f::skBack, b0.max.dot(zeus::CVector3f::skBack)},
{zeus::CVector3f::skUp, b0.min.dot(zeus::CVector3f::skUp)},
{zeus::CVector3f::skDown, b0.max.dot(zeus::CVector3f::skDown)}
};
for (const std::unique_ptr<COBBTree>& tree : p1.x10_container->x0_trees)
{
CCollidableOBBTree obbTree(tree.get(), p1.GetMaterial());
if (obbTree.AABoxCollision(obbTree.x10_tree->GetRoot(), collision.GetRight().GetTransform(),
b0, p0Obb, p0.GetMaterial(), collision.GetLeft().GetFilter(),
planes, list))
ret = true;
}
return ret;
}
bool CCollidableOBBTreeGroup::AABoxCollideBoolean(const CInternalCollisionStructure& collision)
{
const CCollidableAABox& p0 = static_cast<const CCollidableAABox&>(collision.GetLeft().GetPrim());
const CCollidableOBBTreeGroup& p1 = static_cast<const CCollidableOBBTreeGroup&>(collision.GetRight().GetPrim());
zeus::CAABox b0 = p0.CalculateAABox(collision.GetLeft().GetTransform());
zeus::COBBox p0Obb =
zeus::COBBox::FromAABox(p0.CalculateLocalAABox(),
collision.GetRight().GetTransform().inverse() * collision.GetLeft().GetTransform());
for (const std::unique_ptr<COBBTree>& tree : p1.x10_container->x0_trees)
{
CCollidableOBBTree obbTree(tree.get(), p1.GetMaterial());
if (obbTree.AABoxCollisionBoolean(obbTree.x10_tree->GetRoot(), collision.GetRight().GetTransform(),
b0, p0Obb, collision.GetLeft().GetFilter()))
return true;
}
return false;
}
bool CCollidableOBBTreeGroup::CollideMovingAABox(const CInternalCollisionStructure& collision, const zeus::CVector3f& dir,
double& mag, CCollisionInfo& info)
{
bool ret = false;
const CCollidableAABox& p0 = static_cast<const CCollidableAABox&>(collision.GetLeft().GetPrim());
const CCollidableOBBTreeGroup& p1 = static_cast<const CCollidableOBBTreeGroup&>(collision.GetRight().GetPrim());
zeus::CAABox b0 = p0.CalculateAABox(collision.GetLeft().GetTransform());
CMovingAABoxComponents components(b0, dir);
zeus::CAABox movedAABB = p0.CalculateLocalAABox();
zeus::CVector3f moveVec = float(mag) * dir;
movedAABB.accumulateBounds(movedAABB.min + moveVec);
movedAABB.accumulateBounds(movedAABB.max + moveVec);
zeus::COBBox p0Obb =
zeus::COBBox::FromAABox(movedAABB,
collision.GetRight().GetTransform().inverse() * collision.GetLeft().GetTransform());
for (const std::unique_ptr<COBBTree>& tree : p1.x10_container->x0_trees)
{
CCollidableOBBTree obbTree(tree.get(), p1.GetMaterial());
CMetroidAreaCollider::ResetInternalCounters();
if (obbTree.AABoxCollisionMoving(obbTree.x10_tree->GetRoot(), collision.GetRight().GetTransform(),
b0, p0Obb, p0.GetMaterial(), collision.GetLeft().GetFilter(),
components, dir, mag, info))
ret = true;
}
return ret;
}
CFactoryFnReturn FCollidableOBBTreeGroupFactory(const SObjectTag &tag, CInputStream& in,
const CVParamTransfer& vparms,
CObjectReference* selfRef)
{
return TToken<CCollidableOBBTreeGroupContainer>::GetIObjObjectFor(std::make_unique<CCollidableOBBTreeGroupContainer>(in));
}
}