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