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#include "KingSystem/Physics/System/physContactPointInfo.h"
#include "KingSystem/Physics/System/physContactMgr.h"
#include "KingSystem/Physics/System/physSystem.h"
namespace ksys::phys {
ContactPointInfo* ContactPointInfo::make(sead::Heap* heap, int num, const sead::SafeString& name,
int a, int b, int c) {
return System::instance()->allocContactPointInfo(heap, num, name, a, b, c);
}
void ContactPointInfo::free(ContactPointInfo* instance) {
System::instance()->freeContactPointInfo(instance);
}
ContactPointInfo::ContactPointInfo(const sead::SafeString& name, int a, int b, int c)
: ContactPointInfoBase(name, a, b, c) {}
ContactPointInfo::~ContactPointInfo() = default;
void ContactPointInfo::allocPoints(sead::Heap* heap, int num) {
mPoints.allocBufferAssert(num, heap);
}
void ContactPointInfo::freePoints() {
mPoints.freeBuffer();
}
ContactPointInfo::Iterator::Iterator(const Points& points, int count)
: mPoints(points.getBufferPtr()), mPointsNum(count), mPointsStart(points.getBufferPtr()) {
for (int i = 0; i != count; ++i) {
if (!mPoints[i]->flags.isOn(ContactPoint::Flag::Invalid))
break;
++mIdx;
}
}
ContactPointInfo::Iterator::Iterator(const Points& points, int count, IsEnd is_end)
: mIdx(count), mPoints(points.getBufferPtr()), mPointsNum(count),
mPointsStart(points.getBufferPtr()) {}
void ContactPointInfo::Iterator::getPointPosition(sead::Vector3f* out, Point point) const {
const float separating_distance = getPoint()->separating_distance;
out->e = getPoint()->position.e;
switch (point) {
case Point::BodyA: {
if (getPoint()->flags.isOn(ContactPoint::Flag::Penetrating))
return;
*out += getPoint()->separating_normal * -separating_distance;
break;
}
case Point::BodyB: {
if (!getPoint()->flags.isOn(ContactPoint::Flag::Penetrating))
return;
*out += getPoint()->separating_normal * separating_distance;
break;
}
case Point::Midpoint:
default: {
*out += getPoint()->separating_normal * separating_distance * 0.5f;
break;
}
}
}
sead::Vector3f ContactPointInfo::Iterator::getPointPosition(Point point) const {
sead::Vector3f out;
getPointPosition(&out, point);
return out;
}
} // namespace ksys::phys
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