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Merge pull request #107666 from Sch1nken/add-physics-interpolation-multimesh2d

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Add MultiMesh physics interpolation for 2D transforms (MultiMeshInstance2D)
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Thaddeus Crews 2025-10-03 12:01:07 -05:00
commit fb572aff53
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4 changed files with 53 additions and 2 deletions
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31
servers/rendering/storage/mesh_storage.cpp
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@ -118,6 +118,37 @@ void RendererMeshStorage::multimesh_instance_set_transform(RID p_multimesh, int
}
void RendererMeshStorage::multimesh_instance_set_transform_2d(RID p_multimesh, int p_index, const Transform2D &p_transform) {
MultiMeshInterpolator *mmi = _multimesh_get_interpolator(p_multimesh);
if (mmi && mmi->interpolated) {
ERR_FAIL_COND(p_index >= mmi->_num_instances);
ERR_FAIL_COND(mmi->_vf_size_xform != 8);
int start = p_index * mmi->_stride;
float *ptr = mmi->_data_curr.ptrw();
ptr += start;
const Transform2D &t = p_transform;
ptr[0] = t.columns[0][0];
ptr[1] = t.columns[1][0];
ptr[2] = 0;
ptr[3] = t.columns[2][0];
ptr[4] = t.columns[0][1];
ptr[5] = t.columns[1][1];
ptr[6] = 0;
ptr[7] = t.columns[2][1];
_multimesh_add_to_interpolation_lists(p_multimesh, *mmi);
#if defined(DEBUG_ENABLED) && defined(TOOLS_ENABLED)
if (!Engine::get_singleton()->is_in_physics_frame()) {
PHYSICS_INTERPOLATION_WARNING("MultiMesh interpolation is being triggered from outside physics process, this might lead to issues");
}
#endif
return;
}
_multimesh_instance_set_transform_2d(p_multimesh, p_index, p_transform);
}