Commit Graph

636 Commits

Author SHA1 Message Date
Sam Haves ac2cd5dfd6 Add support for querying of MjsTendon path from Python.
Fixes #2670

PiperOrigin-RevId: 822215254
Change-Id: Ice5a264e54f963776093511c6e4ac830aae6d4f8
2025-10-21 11:51:24 -07:00
Alessio Quaglino 01d1ac34e0 Add quadratic interpolation to flex.
PiperOrigin-RevId: 822055781
Change-Id: Ibc252ac560de666b0b28f868e46b88d3ed92f67d
2025-10-21 04:36:36 -07:00
Sam Haves 59f14485e0 Move mjCWrap type to mjsWrap.
PiperOrigin-RevId: 821851540
Change-Id: I53382a8a21312a96aea46eec130f43e7cad70f92
2025-10-20 16:28:41 -07:00
Kyle Bayes 8cbfc42767 Fix issue with zero size cache.
PiperOrigin-RevId: 819773517
Change-Id: Iff1523e17ffbd1dff02bee71db896c64bd8b565c
2025-10-15 08:46:00 -07:00
Alessio Quaglino b6f25ca623 Check mjs_getName return value in XML parser. Fixes #2898.
PiperOrigin-RevId: 819351410
Change-Id: I0807d71328068f6388991ae15274c7d61b4d3e53
2025-10-14 12:40:28 -07:00
Haroon Qureshi f1d45bd542 Fix minor formatting issues and use nullptr consistently.
PiperOrigin-RevId: 819178621
Change-Id: I3f6bfb6888075188d49e32110af2074b07c6b918
2025-10-14 06:15:57 -07:00
Kyle Bayes 9e0885a4fa Handle exceptions in VFS C API.
PiperOrigin-RevId: 817688877
Change-Id: Ia2e306fe4cd1848eb5731212aa4e959080a9d377
2025-10-10 10:03:36 -07:00
Alessio Quaglino 98682ae284 Do not modify mesh position when fitting a geom to the mesh AABB.
Also, unify the meaning of fitting a geom to an AABB: it now means to find the smallest geom such that its AABB contains the mesh AABB.

Fixes #2881.

PiperOrigin-RevId: 817097544
Change-Id: I883c686feffa803bd16ba461db24a474dfec7712
2025-10-09 03:05:00 -07:00
Yuval Tassa 18779ab54a Clean up engine_core_util
PiperOrigin-RevId: 814709359
Change-Id: If4ec66808e7de51e16b772afdb8485fa4ff30030
2025-10-03 08:48:11 -07:00
Sam Haves 32e08f9507 Expose userfacenormal to mjsMesh
PiperOrigin-RevId: 814253177
Change-Id: I644974feea0722f03e7c3b01be7b702dba233f0a
2025-10-02 08:53:42 -07:00
Sam Haves 4d590afdad Instead of caching PNGImage results, cache mjCTexture and mjCHField assets.
PiperOrigin-RevId: 813307632
Change-Id: I9de8b46423f57240d22811571d0533b010ee1e2b
2025-09-30 09:44:45 -07:00
Sam Haves 2dc533b63b Allow flipping textures with any number of channels and user provided pixel data.
PiperOrigin-RevId: 813256285
Change-Id: I0d49885dc483ab8f093b2566ec4bef355575505e
2025-09-30 07:28:13 -07:00
Sam Haves 922aebbeed Provide explicit argument for asset cache ID.
This will allow assets to cache compiled results with different parameters. For example, we could cache both an RGB version of a texture and a Mono version.

PiperOrigin-RevId: 811341377
Change-Id: Ifd6a4ff88661a2b38be47c02d6a666de2c202885
2025-09-25 07:24:12 -07:00
Google DeepMind 0e1104768a No public description
PiperOrigin-RevId: 809083979
Change-Id: I5c6641b73c76153c15f5cdf858b788e1433acc81
2025-09-19 10:10:45 -07:00
Google DeepMind 26ea20a21f No public description
PiperOrigin-RevId: 809074980
Change-Id: Ib3e3522addceddba6a057cfef80fcbd30a420b3d
2025-09-19 09:49:07 -07:00
Alessio Quaglino 77e025ea98 Move meshdir and texturedir to mjsCompiler.
For backwards compatibility in the Python bindings, both `spec.compiler.meshdir` and `spec.meshdir` are now allowed.

Fixes #2834.

PiperOrigin-RevId: 809060113
Change-Id: Ie23f1c5dd57de43568312a8e062906f4013bb474
2025-09-19 09:05:44 -07:00
Alessio Quaglino 5bbda2186d Make the Octree interpolation continuous.
This is done by detecting the hanging nodes and compute the function at those location by interpolating the corresponding coarse vertices.

PiperOrigin-RevId: 807700228
Change-Id: I27dcb85361ca445c2099dd07b280cae5c92d3131
2025-09-16 08:15:26 -07:00
Kyle Bayes ac4874226c Support NULL in dir parameter in mj_addFileVFS.
Fixes #2839.

PiperOrigin-RevId: 807208005
Change-Id: I8def3b1e388dc19fa2fa8a92d53abef30dee5b88
2025-09-15 06:00:13 -07:00
Alessio Quaglino 4fc69fa64d Ensure that the Octree is balanced.
This means that two adjacent nodes can only have at most one level of refinement difference.

Note: This is a small breaking change for mjWarp since the order of the children was flipped.
PiperOrigin-RevId: 806299445
Change-Id: Ia326a31c7a8162ae02d70c868d87779198e805be
2025-09-12 08:34:15 -07:00
Alessio Quaglino 7e048b7535 Refactor: Convert mjCOctree::MakeOctree from recursive to iterative.
The octree construction is now performed using a breadth-first search with a `std::deque` to manage tasks. A new `OctreeTask` struct encapsulates the state for each node to be processed, and a helper function `Subdivide` is introduced for subdividing the Octree nodes.

Also reduce the number of (center, size) to (min, max) conversion for the bounding box representation in order to avoid duplicated vertices in the Octree due to floating point errors.

PiperOrigin-RevId: 806214441
Change-Id: Iff9015ebe4705522db743c478cef5acf1a7312b7
2025-09-12 03:22:17 -07:00
Alessio Quaglino 9d5063799f Resize keyframes also at the start of compilation.
Previously, it was assumed that attaching was the last operation performed on the mjSpec, so keyframes resulted in the incorrect size. In order to prevent information loss, we now only allow the resize function to expand the keyframe array, since attach should never remove a degree of freedom.

PiperOrigin-RevId: 804917828
Change-Id: Icfacd207ced1c6aac600d514f8d9065ceff2d347
2025-09-09 08:16:32 -07:00
Kyle Bayes ea660f4c13 Expose minimal asset cache API.
PiperOrigin-RevId: 803126923
Change-Id: Iabf63802572f7cb86864b5ece85f44b3f15a4ec0
2025-09-04 12:18:36 -07:00
Alessio Quaglino 8acd83f317 Add passive collision mode for flexes.
PiperOrigin-RevId: 801754907
Change-Id: I4147af2ee2596519d42cb9a03cf8d5488f0bc3e8
2025-09-01 04:13:58 -07:00
Yuval Tassa b9900db00e Extract memory allocation functions and core utilities
PiperOrigin-RevId: 801745499
Change-Id: Iaf05c3430769d3115743d8ab020d13148cb2eb59
2025-09-01 03:38:25 -07:00
Yuval Tassa b092563cab Remove mjDSBL_PASSIVE, split it into mjDSBL_SPRING and mjDSBL_DAMPING.
PiperOrigin-RevId: 800870384
Change-Id: I273e0ceec090901e2620febb67e57914928e94bb
2025-08-29 06:06:28 -07:00
Yuval Tassa 7443e685ac Allow contact sensor subtree1/subtree2 to be any body.
PiperOrigin-RevId: 799632590
Change-Id: If9cd6c5a3a5f83d89ae024a8f64232ab1f1d603a
2025-08-26 11:00:39 -07:00
Sam Haves 1fb1810b07 Add ability to specify a material assignment to a mesh asset.
This extends both the spec and the XML definition to allow specification of a material name on a mesh. This material acts as a fallback in the case that the referencing geom element does not specify a material of it's own.

PiperOrigin-RevId: 798232378
Change-Id: Iaf300c727732744ea1b613e64334ee505ac6e209
2025-08-22 09:11:31 -07:00
Alessio Quaglino b66175eba6 Bending stiffness for curved shells in flex.
PiperOrigin-RevId: 796361841
Change-Id: I105ea235fe2a8e1bcbde67276d77fa92eed214a1
2025-08-18 04:13:18 -07:00
Yuval Tassa 6b41fbe72a Use CSR matrices for dof-dof index mappings
PiperOrigin-RevId: 795895311
Change-Id: I1000e0ee98906ef35990e73236e85d6354487b82
2025-08-16 13:06:32 -07:00
Yuval Tassa c0096b51a4 Move ntree to mjModel allocator sizes
PiperOrigin-RevId: 795855203
Change-Id: Idab185294d53dced9ebf073b782969dc5643b95a
2025-08-16 09:16:41 -07:00
Yuval Tassa b566ef2883 Ignore geoms with tiny mass in inertiafromgeom computation. Fixes #2754
PiperOrigin-RevId: 795475978
Change-Id: I02b5db9e2ac7ec556cb0a0ec6dbe4214ba9128d7
2025-08-15 07:57:02 -07:00
Yuval Tassa 7eb13777f8 Put sparsity structures in mjModel, don't use them yet.
PiperOrigin-RevId: 795032051
Change-Id: I75c69e881980ff9c308acf00bb3a65f4b2ef12f5
2025-08-14 07:37:42 -07:00
Yuval Tassa f077fd00a9 Compute sparse matrix sizes before making the mjModel in the compiler.
PiperOrigin-RevId: 794998215
Change-Id: Ib7d0a2479b18cc8b3168c0656d3c4be0eff43a0f
2025-08-14 05:51:17 -07:00
Yuval Tassa 19781b60a1 Fix a gcc-related compilation error.
PiperOrigin-RevId: 792592986
Change-Id: I6bd49d3c739a58f9b611fe24594bd3f11e757c5b
2025-08-08 06:00:17 -07:00
Yuval Tassa 8b5213c557 Cleanup: extract local functions in compiler for setting datatype and needstage
PiperOrigin-RevId: 792566070
Change-Id: I22d397758f5e8b35899c9461543989e352bd2b96
2025-08-08 04:11:14 -07:00
Alessio Quaglino eb1da7c43d Compute the interpolation coefficients per vertex rather than per node.
PiperOrigin-RevId: 792124681
Change-Id: Ib0e18d0b59f09c7e3bdb2ef9940a9b7327b92cd3
2025-08-07 06:03:11 -07:00
Alessio Quaglino 781242ae95 Avoid duplicated vertices in the SDF octree.
Before: nnode: 42777, nvert: 342216
After: nnode: 42777, nvert: 77588
PiperOrigin-RevId: 792115571
Change-Id: I17913ed3d22f22a0370dc4cbd2b833a0f5983cda
2025-08-07 05:27:01 -07:00
Alessio Quaglino 840108cf7c Refactor octree in preparation for continuous interpolation.
PiperOrigin-RevId: 792092644
Change-Id: I096ca0989210a00ae0b4556498d96212755d23c7
2025-08-07 04:06:03 -07:00
Alessio Quaglino 132f90b17f Validate mjs_setFrame dest parameter and raise an error if null.
PiperOrigin-RevId: 791742890
Change-Id: I926e6dfb08aa66fac2816b805e156074c37dce99
2025-08-06 10:19:01 -07:00
Yuval Tassa 784c7a419b Improve builtin hemisphere docs
PiperOrigin-RevId: 791271829
Change-Id: I391215b5388f4e9e2a17198dbcdbd0c605fda4b4
2025-08-05 10:25:45 -07:00
Yuval Tassa 705ec6d7fb Adds built-in superellipsoid mesh.
PiperOrigin-RevId: 791196831
Change-Id: I1d864f6e620870f016377a4d9e2e26d1a23fd77e
2025-08-05 07:02:52 -07:00
Yuval Tassa a5d4d1000e Add built-in supertoroid mesh.
PiperOrigin-RevId: 791180080
Change-Id: I3a70f50ff4a52a1bd4b88fc30334a574895145b4
2025-08-05 06:06:43 -07:00
Yuval Tassa 996f0040fd Add built-in sphere mesh.
PiperOrigin-RevId: 791162850
Change-Id: I573a414727e79f1a495e0f2282b2faff48ab3443
2025-08-05 05:05:05 -07:00
Yuval Tassa 5220767457 Add built-in hemisphere mesh.
PiperOrigin-RevId: 791148546
Change-Id: Ic9ff0c9b0f5fa4fd22d5f7f848f150cf74d378ba
2025-08-05 04:16:24 -07:00
Yuval Tassa a5a6379f83 Add built-in cone mesh type.
Also delete `prism` type since it is subsumed by cone.

PiperOrigin-RevId: 790992343
Change-Id: I7a9c6f2a4377489173acd64b23086c748d2cee8e
2025-08-04 19:35:32 -07:00
Alessio Quaglino 51babec9c5 Move tactile sensor to the engine.
PiperOrigin-RevId: 788863133
Change-Id: I3172ebb7641fa8146469da25cba7db794760e7b1
2025-07-30 05:27:44 -07:00
Alessio Quaglino 89f4789085 Add mjs_makeMesh to create a builtin mesh.
PiperOrigin-RevId: 788538127
Change-Id: I999733399a1a0da07b0f915f34d31364ab8b3b52
2025-07-29 11:31:18 -07:00
Yuval Tassa 46dc67b7eb Add function mjs_sensorDim to user API.
Note: change to (unreleased) contact sensor mjSpec API
PiperOrigin-RevId: 788507423
Change-Id: Ie639afb7ed01dc3f7bab43a3e812e8e0b0c67d07
2025-07-29 10:20:27 -07:00
Baruch Tabanpour 3434f5d9c7 Compute convex hull for collision pairs.
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PiperOrigin-RevId: 788074030
Change-Id: I3d4bbe71f824db82e998e374d95a5c49995af806
2025-07-28 10:49:50 -07:00
Yuval Tassa 9e7979e492 Add checks for contact sensor when constructing with mjSpec Python bindings.
PiperOrigin-RevId: 788008233
Change-Id: I14518b8cce1a7dad4fd24933478e0cc1bb75e350
2025-07-28 07:50:56 -07:00