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#include "KingSystem/Physics/RigidBody/Shape/BoxWater/physBoxWaterShape.h"
#include <Havok/Common/Base/Types/Geometry/Aabb/hkAabb.h>
#include <Havok/Common/Base/Types/Geometry/Sphere/hkSphere.h>
#include <Havok/Physics2012/Collide/Shape/HeightField/Plane/hkpPlaneShape.h>
#include <Havok/Physics2012/Collide/Shape/Query/hkpShapeRayCastOutput.h>
#include "KingSystem/Physics/RigidBody/Shape/Box/physBoxShape.h"
#include "KingSystem/Physics/physConversions.h"
#include "KingSystem/Utils/HeapUtil.h"
#include "KingSystem/Utils/SafeDelete.h"
namespace ksys::phys {
class HavokPlaneShape : public hkpPlaneShape {
public:
HK_DECLARE_CLASS_ALLOCATOR(HavokPlaneShape)
HavokPlaneShape(const hkVector4& plane, const hkAabb& aabb) : hkpPlaneShape(plane, aabb) {}
hkBool castRay(const hkpShapeRayCastInput& input,
hkpShapeRayCastOutput& results) const override {
const auto dot_from = getPlane().dot4xyz1(input.m_from);
const auto dot_to = getPlane().dot4xyz1(input.m_to);
if (dot_from.isGreaterZero() && dot_to.isGreaterZero())
return false;
hkSimdReal hit_fraction;
if (dot_from.isLessEqualZero())
hit_fraction = 0;
else
hit_fraction = dot_from * (dot_from - dot_to).reciprocal();
if (!hkSimdReal(results.m_hitFraction).isGreater(hit_fraction))
return false;
hkVector4f position;
position.setInterpolate(input.m_from, input.m_to, hit_fraction.val());
hkVector4f rel_pos;
rel_pos.setSub(position, getAabbCenter());
rel_pos.setAbs(rel_pos);
rel_pos.sub(0.0001);
if (!getAabbHalfExtents().greaterEqual(rel_pos).allAreSet<hkVector4fComparison::MASK_XYZ>())
return false;
results.m_hitFraction = hit_fraction;
results.m_normal = getPlane();
results.setKey(HK_INVALID_SHAPE_KEY);
return true;
}
void collideSpheres(const CollideSpheresInput& input,
SphereCollisionOutput* outputArray) const override {
auto* sphere = input.m_spheres;
for (int i = input.m_numSpheres - 1; i >= 0; --i) {
const auto r =
getPlane().dot4xyz1(sphere->getPositionAndRadius()) - sphere->getRadiusSimdReal();
auto w = hkSimdReal::getConstant<HK_QUADREAL_MAX>();
if (r < input.m_tolerance) {
const auto r_ = sphere->getRadiusSimdReal() + hkSimdReal(input.m_tolerance);
hkVector4f half_extents;
half_extents.setAdd(getAabbHalfExtents(), r_);
hkVector4f rel_pos;
rel_pos.setSub(sphere->getPositionAndRadius(), getAabbCenter());
rel_pos.setAbs(rel_pos);
if (!rel_pos.greater(half_extents).anyIsSet(hkVector4fComparison::MASK_XYZ))
w = r;
}
outputArray->setXYZ_W(getPlane(), w);
++sphere;
++outputArray;
}
}
};
BoxWaterShape* BoxWaterShape::make(const BoxShapeParam& param, sead::Heap* heap) {
void* storage = util::allocStorage<HavokPlaneShape>(heap);
if (!storage)
return nullptr;
hkVector4f plane(0, 1, 0);
plane.setW(param.translate.y + param.extents.y / 2);
hkAabb aabb;
aabb.m_min.setSub(toHkVec4(param.translate), toHkVec4(param.extents / 2));
aabb.m_max.setAdd(toHkVec4(param.translate), toHkVec4(param.extents / 2));
auto* hk_shape = new (storage) HavokPlaneShape(plane, aabb);
return new (heap) BoxWaterShape(param, hk_shape);
}
BoxWaterShape* BoxWaterShape::clone(sead::Heap* heap) const {
BoxShapeParam param;
param.extents = mExtents;
param.translate = mTranslate;
param.rotate = mRotate;
auto* cloned = make(param, heap);
cloned->setMaterialMask(mMaterialMask);
return cloned;
}
BoxWaterShape::BoxWaterShape(const BoxShapeParam& param, hkpPlaneShape* hk_shape)
: mExtents(param.extents), mTranslate(param.translate), mRotate(param.rotate),
mHavokShape(hk_shape), mMaterialMask(param.common.getMaterialMask()) {
mFlags.change(Flag::IsWater, param.common.material == Material::Water);
const bool no_transform =
mTranslate == sead::Vector3f(0, 0, 0) && mRotate == sead::Vector3f(0, 0, 0);
mFlags.change(Flag::HasTransform, !no_transform);
if (param.common.item_code_disable_stick)
mMaterialMask.getData().setCustomFlag(MaterialMaskData::CustomFlag::_0);
setMaterialMask(mMaterialMask);
}
BoxWaterShape::~BoxWaterShape() {
util::deallocateObjectUnsafe(mHavokShape);
}
void BoxWaterShape::setMaterialMask(const MaterialMask& mask) {
mMaterialMask = mask;
if (mHavokShape)
mHavokShape->setUserData(mask.getRawData());
}
bool BoxWaterShape::setExtents(const sead::Vector3f& extents) {
if (mExtents == extents)
return false;
mExtents = extents;
mFlags.set(Flag::Dirty);
return true;
}
bool BoxWaterShape::setTranslate(const sead::Vector3f& translate) {
if (mTranslate == translate)
return false;
mTranslate = translate;
mFlags.change(Flag::HasTransform, !hasNoTransform());
mFlags.set(Flag::Dirty);
return true;
}
float BoxWaterShape::getVolume() const {
return mExtents.x * mExtents.y * mExtents.z;
}
hkpShape* BoxWaterShape::getHavokShape() {
return mHavokShape;
}
const hkpShape* BoxWaterShape::getHavokShape() const {
return mHavokShape;
}
const hkpShape* BoxWaterShape::updateHavokShape() {
if (!mFlags.isOn(Flag::Dirty))
return nullptr;
const auto ref_count = mHavokShape->getReferenceCount();
hkVector4f plane(0, 1, 0);
plane.setW(mTranslate.y + mExtents.y / 2);
hkAabb aabb;
aabb.m_min.setSub(toHkVec4(mTranslate), toHkVec4(mExtents / 2));
aabb.m_max.setAdd(toHkVec4(mTranslate), toHkVec4(mExtents / 2));
mHavokShape = new (mHavokShape) HavokPlaneShape(plane, aabb);
mHavokShape->setReferenceCount(ref_count);
setMaterialMask(mMaterialMask);
mFlags.reset(Flag::Dirty);
return nullptr;
}
void BoxWaterShape::setScale(float scale) {
setExtents(mExtents * scale);
setTranslate(mTranslate * scale);
}
} // namespace ksys::phys
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