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Expose getPointedThing to Lua

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This commit introduces Raycast, a Lua user object, which can be
used to perform a raycast on the map. The ray is continuable, so one can
also get hidden nodes (for example to see trough glass).
This commit is contained in:
Dániel Juhász
2016-07-23 21:11:20 +02:00
committed by paramat
parent a80ecbee1e
commit 3caad3f3c9
25 changed files with 671 additions and 313 deletions
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18
src/util/pointedthing.h
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@@ -58,6 +58,11 @@ struct PointedThing
* point of the collision and the nodebox of the node.
*/
v3s16 node_real_undersurface;
/*!
* Only valid if type is POINTEDTHING_OBJECT.
* The ID of the object the ray hit.
*/
s16 object_id = -1;
/*!
* Only valid if type isn't POINTEDTHING_NONE.
* First intersection point of the ray and the nodebox.
@@ -71,12 +76,19 @@ struct PointedThing
*/
v3s16 intersection_normal;
/*!
* Only valid if type is POINTEDTHING_OBJECT.
* The ID of the object the ray hit.
* Square of the distance between the pointing
* ray's start point and the intersection point.
*/
s16 object_id = -1;
f32 distanceSq = 0;
//! Constructor for POINTEDTHING_NOTHING
PointedThing() {};
//! Constructor for POINTEDTHING_NODE
PointedThing(const v3s16 &under, const v3s16 &above,
const v3s16 &real_under, const v3f &point, const v3s16 &normal,
f32 distSq);
//! Constructor for POINTEDTHING_OBJECT
PointedThing(s16 id, const v3f &point, const v3s16 &normal, f32 distSq);
std::string dump() const;
void serialize(std::ostream &os) const;
void deSerialize(std::istream &is);