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Optimize code patterns around raycasting

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This commit is contained in:
sfan5 2024-04-24 22:08:12 +02:00
parent e10adf83d5
commit 9c3c286aab
4 changed files with 77 additions and 84 deletions
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50
src/util/pointedthing.h
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@ -37,6 +37,8 @@ struct PointedThing
{
//! The type of the pointed object.
PointedThingType type = POINTEDTHING_NOTHING;
//! How the object or node can be pointed at.
PointabilityType pointability = PointabilityType::POINTABLE_NOT;
/*!
* Only valid if type is POINTEDTHING_NODE.
* The coordinates of the node which owns the
@ -63,6 +65,11 @@ struct PointedThing
* The ID of the object the ray hit.
*/
u16 object_id = 0;
/*!
* Only valid if type isn't POINTEDTHING_NONE.
* Indicates which selection box is selected, if there are more of them.
*/
u16 box_id = 0;
/*!
* Only valid if type isn't POINTEDTHING_NONE.
* First intersection point of the ray and the nodebox in irrlicht
@ -81,36 +88,49 @@ struct PointedThing
* Raw normal vector of the intersection before applying rotation.
*/
v3f raw_intersection_normal;
/*!
* Only valid if type isn't POINTEDTHING_NONE.
* Indicates which selection box is selected, if there are more of them.
*/
u16 box_id = 0;
/*!
* Square of the distance between the pointing
* ray's start point and the intersection point in irrlicht coordinates.
*/
f32 distanceSq = 0;
/*!
* How the object or node has been pointed at.
*/
PointabilityType pointability = PointabilityType::POINTABLE_NOT;
//! Constructor for POINTEDTHING_NOTHING
PointedThing() = default;
//! Constructor for POINTEDTHING_NODE
PointedThing(const v3s16 &under, const v3s16 &above,
const v3s16 &real_under, const v3f &point, const v3f &normal,
u16 box_id, f32 distSq, PointabilityType pointability);
inline PointedThing(const v3s16 under, const v3s16 above,
const v3s16 real_under, const v3f point, const v3f normal,
u16 box_id, f32 distSq, PointabilityType pointab) :
type(POINTEDTHING_NODE),
pointability(pointab),
node_undersurface(under),
node_abovesurface(above),
node_real_undersurface(real_under),
box_id(box_id),
intersection_point(point),
intersection_normal(normal),
distanceSq(distSq)
{}
//! Constructor for POINTEDTHING_OBJECT
PointedThing(u16 id, const v3f &point, const v3f &normal, const v3f &raw_normal, f32 distSq,
PointabilityType pointability);
inline PointedThing(u16 id, const v3f point, const v3f normal,
const v3f raw_normal, f32 distSq, PointabilityType pointab) :
type(POINTEDTHING_OBJECT),
pointability(pointab),
object_id(id),
intersection_point(point),
intersection_normal(normal),
raw_intersection_normal(raw_normal),
distanceSq(distSq)
{}
std::string dump() const;
void serialize(std::ostream &os) const;
void deSerialize(std::istream &is);
/*!
* This function ignores the intersection point and normal.
*/
bool operator==(const PointedThing &pt2) const;
bool operator!=(const PointedThing &pt2) const;
bool operator!=(const PointedThing &pt2) const {
return !(*this == pt2);
}
};