IBillboardSceneNode got functions to access meshbuffers.

So uv-coordinates can now be modified directly (previously only possible via texture matrix).

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6299 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien 2022-02-08 21:00:12 +00:00 committed by sfan5
parent 7fb36849c7
commit 4fb1c55ec5
3 changed files with 27 additions and 0 deletions

@ -9,6 +9,7 @@ Changes in ogl-es (not yet released - will be merged with trunk at some point)
--------------------------
Changes in 1.9 (not yet released)
- IBillboardSceneNode got functions to access meshbuffers. So uv-coordinates can now be modified directly (previously only possible via texture matrix).
- vector3d scalar operator/ and operator/= no longer multiply by the inverse but use the expected division.
Costs some speed, but fixes floating point troubles caused by this optimization (like x/x no longer being 1.0).
- Add equals and set_data functions to core::array for easier working with blocks of data.

@ -12,6 +12,7 @@ namespace irr
namespace scene
{
class ICameraSceneNode;
class IMeshBuffer;
//! A billboard scene node.
/** A billboard is like a 3d sprite: A 2d element,
@ -74,6 +75,17 @@ public:
That is why the usual getBoundingBox will return a "safe" boundingbox which is guaranteed
to contain the billboard. While this function can return the real one. */
virtual const core::aabbox3d<f32>& getTransformedBillboardBoundingBox(const irr::scene::ICameraSceneNode* camera) = 0;
//! Get the amount of mesh buffers.
/** \return Amount of mesh buffers (IMeshBuffer) in this mesh. */
virtual u32 getMeshBufferCount() const = 0;
//! Get pointer to a mesh buffer.
/** NOTE: Positions and normals of this meshbuffers are re-calculated before rendering.
So this is mainly useful to access/modify the uv-coordinates.
\param nr: Zero based index of the mesh buffer.
\return Pointer to the mesh buffer or 0 if there is no such mesh buffer. */
virtual IMeshBuffer* getMeshBuffer(u32 nr) const = 0;
};
} // end namespace scene

@ -72,6 +72,20 @@ public:
//! Get the real boundingbox used by the billboard (which depends on the active camera)
virtual const core::aabbox3d<f32>& getTransformedBillboardBoundingBox(const irr::scene::ICameraSceneNode* camera) _IRR_OVERRIDE_;
//! Get the amount of mesh buffers.
virtual u32 getMeshBufferCount() const
{
return Buffer ? 1 : 0;
}
//! Get pointer to the mesh buffer.
virtual IMeshBuffer* getMeshBuffer(u32 nr) const
{
if ( nr == 0 )
return Buffer;
return 0;
}
//! Returns type of the scene node
virtual ESCENE_NODE_TYPE getType() const _IRR_OVERRIDE_ { return ESNT_BILLBOARD; }