042c5223a6
Change mj_sizeModel return type to mjtSize.
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PiperOrigin-RevId: 831768095
Change-Id: I079fbadc403b32a3ce8a73fe21b2cd66391401c3
2025-11-13 02:32:18 -08:00
769f37b653
Implement sleeping in engine
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PiperOrigin-RevId: 829361787
Change-Id: I6f64d8e25c4248cf32c18cd94d37ff5def78946e
2025-11-07 03:33:07 -08:00
252a0d73df
Add sleep related data structures
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PiperOrigin-RevId: 829055431
Change-Id: I1ccbd77a57044a754ae7db611b4c2c0010fbda53
2025-11-06 12:10:55 -08:00
5715cebbb9
MSAN: Don't clear mjData.sensordata in mj_resetData
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This is strictly an out array and should not be read before it is written to. This change improves MSAN coverage of engine code.
PiperOrigin-RevId: 819767673
Change-Id: I57500c8147f4774d326cf87ea3bac5420e4dd54d
2025-10-15 08:31:03 -07:00
edbdb5195c
Change MuJoCo engine source code function-spacing convention from 3 blank lines to 2
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PiperOrigin-RevId: 813754244
Change-Id: I6836e41c3b021cb727e922c25c60f629b9814c93
2025-10-01 07:58:17 -07:00
e51459f949
Break out struct initialization functions into engine_init.c.
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PiperOrigin-RevId: 811598048
Change-Id: Ia832a8268e2209a5a264bbf79aa00dda487206bc
2025-09-25 19:22:27 -07:00
d9650b68b0
Remove unused private functions
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PiperOrigin-RevId: 810776310
Change-Id: I1c67c5efe07c4ca23b04122548b674719be927f7
2025-09-24 01:48:54 -07:00
eb96dd556c
Reduce ccd_iterations from 50 to 35.
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PiperOrigin-RevId: 808610578
Change-Id: I8755f9ba2902bf0805b7ded07ee6e048e404a31f
2025-09-18 09:16:52 -07:00
52da7586dc
Clean up includes in src/engine
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PiperOrigin-RevId: 807726978
Change-Id: I02800deb79bfb3c328d941861ded9d817e8f6e32
2025-09-16 09:36:44 -07:00
b9900db00e
Extract memory allocation functions and core utilities
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PiperOrigin-RevId: 801745499
Change-Id: Iaf05c3430769d3115743d8ab020d13148cb2eb59
2025-09-01 03:38:25 -07:00
6b41fbe72a
Use CSR matrices for dof-dof index mappings
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PiperOrigin-RevId: 795895311
Change-Id: I1000e0ee98906ef35990e73236e85d6354487b82
2025-08-16 13:06:32 -07:00
c0096b51a4
Move ntree to mjModel allocator sizes
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PiperOrigin-RevId: 795855203
Change-Id: Idab185294d53dced9ebf073b782969dc5643b95a
2025-08-16 09:16:41 -07:00
977f94e9df
Delete sparsity structures from mjData, use the ones in mjModel
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PiperOrigin-RevId: 795067950
Change-Id: If4f52e40ac49f7c6986b33ef9c8b534199dfd21a
2025-08-14 09:13:02 -07:00
7eb13777f8
Put sparsity structures in mjModel, don't use them yet.
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PiperOrigin-RevId: 795032051
Change-Id: I75c69e881980ff9c308acf00bb3a65f4b2ef12f5
2025-08-14 07:37:42 -07:00
ee63b82e1c
Fix the format string when printing uintptr_t
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PiperOrigin-RevId: 789333383
Change-Id: I32b190ffa6579a93970650df58865083aa0a18ab
2025-07-31 07:50:45 -07:00
23fa7c00d5
Remove usage of size_t types in mjModel, use mjtSize (uint64_t) instead to improve portabilty of MJB files to WASM.
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PiperOrigin-RevId: 789321991
Change-Id: Ic25fab876c347fc75f5ca24cad09e8fd972f035f
2025-07-31 07:08:33 -07:00
82cf27992d
Initialize variables in copyM2Sparse
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PiperOrigin-RevId: 788875024
Change-Id: I87068a3878e0b6bc5227bb61e84c07e75e448eea
2025-07-30 06:16:17 -07:00
51babec9c5
Move tactile sensor to the engine.
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PiperOrigin-RevId: 788863133
Change-Id: I3172ebb7641fa8146469da25cba7db794760e7b1
2025-07-30 05:27:44 -07:00
d0e4771c8c
Add contact sensor.
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PiperOrigin-RevId: 783011982
Change-Id: Ica56fe9d520fa1d1ee7338e09148b1a55a049912
2025-07-14 13:03:35 -07:00
e6c5715903
Add insidesite sensor for detecting when an object is inside the volume of a site.
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PiperOrigin-RevId: 780993257
Change-Id: I2dcfc840d222680adc3b934344a0819f4d78b6eb
2025-07-09 04:56:42 -07:00
5c1f1f9dba
Add octree to meshes of SDF geoms.
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PiperOrigin-RevId: 777634862
Change-Id: I3210c2f8d73fd30ceecb0a11abd1d82e086b3d5d
2025-06-30 10:50:15 -07:00
862300def5
Fix comment typo in _resetData.
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PiperOrigin-RevId: 774705647
Change-Id: Id933cae9a219798eae266b36bd3efba2a3b88163
2025-06-23 03:49:55 -07:00
2707eadc00
Refactor mj_crb and mj_tendonArmature to use CSR M.
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PiperOrigin-RevId: 774077388
Change-Id: Id57118a5d66c074766f5c69fd3b889ebc625cbf7
2025-06-21 04:49:06 -07:00
14dc7c2a60
Add "cameraid" attribute to visual/global specifying the default camera to use at model load.
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PiperOrigin-RevId: 773783069
Change-Id: I2fff2abdceedc982d89cee8d14b95abceea1c113
2025-06-20 11:41:27 -07:00
373b4c0437
Support image/ktx format for textures.
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PiperOrigin-RevId: 761926074
Change-Id: I6a312634b5bdc706ea5166bc3b2be273e14c1c8a
2025-05-22 05:47:55 -07:00
8268c6d1ff
Add mjv_copyData
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PiperOrigin-RevId: 760642972
Change-Id: I16227fd91bf42618fda684b15b3650758ae29b13
2025-05-19 08:59:43 -07:00
dd28b887d4
Rename C sparse structure to M in mjdata, improve docstrings.
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PiperOrigin-RevId: 758636638
Change-Id: If78acc423601d2911f514929b27f7b6d0af9ef58
2025-05-14 05:26:19 -07:00
1e02d66c3d
Remove M matrix structure from mjData.
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Introduced in March 2025 as a temporary measure, this is not considered a breaking change.
PiperOrigin-RevId: 758311298
Change-Id: Ia08857c18b791f6a62a2d8d136b45fc075507b93
2025-05-13 11:47:18 -07:00
ecb769fc3a
Refactor islands to be memory contiguous.
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PiperOrigin-RevId: 755803476
Change-Id: I41972b07e0d5ef5d0117c94f565b93367b87458b
2025-05-07 05:06:27 -07:00
8f768be2da
Remove solver_nisland field from mjData.
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PiperOrigin-RevId: 750527660
Change-Id: I6b34944c92483ea2abc774df75efd868255a2bac
2025-04-23 03:27:41 -07:00
96dda6ea75
Add tendon actuator force limits and tendon actuator force sensor.
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PiperOrigin-RevId: 745096883
Change-Id: Ib9acb727fbbfc6b0b0323ee6a889053a7a878056
2025-04-08 05:16:35 -07:00
c0a7ea1edb
Added the element type mjOBJ_SPEC for mjSpec.
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PiperOrigin-RevId: 742678572
Change-Id: I95a382ac58b5bc88c2aa5c07210549a1d5e2f538
2025-04-01 06:51:49 -07:00
157b074116
Add signature to mjSpec and mjModel and use it to perform safe bind to mjModel and mjData.
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PiperOrigin-RevId: 740378879
Change-Id: If14b326942529494f172e7aedcae30195798b458
2025-03-25 09:37:49 -07:00
be64747166
add mjs_detachDefault to delete a default class from mjSpec
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PiperOrigin-RevId: 738452369
Change-Id: I5a53a6dc8f89e1e8136aeefc09d7d9b7b7204e1f
2025-03-19 10:31:04 -07:00
7d9df8c9a9
Fill-in qM CSR matrix structure on mjData (currently unused).
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PiperOrigin-RevId: 733258529
Change-Id: I903548ae60139e4858550194e1aedf0efa2f3033
2025-03-04 03:20:11 -08:00
ae1c3b7ec0
Support multi-contact with meshes in nativeccd. Contacts are pruned to up to 4 per geom.
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PiperOrigin-RevId: 730457036
Change-Id: Ib2368f3a7def4fdb94673620df3603e372c35745
2025-02-24 08:14:04 -08:00
7f3bb062c3
Add fields in mjModel for supporting mesh multicontact in nativeccd.
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PiperOrigin-RevId: 728659204
Change-Id: I7f8a11b082640284ea009d8693f228078680b953
2025-02-19 07:12:26 -08:00
7cdf180641
Introduce trilinear flex parametrization.
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These flexes use only 24 DOFs (3 per vertex of the bounding box), while colliding with the full high resolution mesh.
On an 8x8x8 cube, the performance using DOFs at all vertices is
```
Simulation time : 18.74 s
Steps per second : 533
Realtime factor : 0.53 x
Time per step : 1874.4 µs
Contacts per step : 114.88
Constraints per step : 3322.51
Degrees of freedom : 1536
```
With the new implementation, it is the following:
```
Simulation time : 1.82 s
Steps per second : 5507
Realtime factor : 5.51 x
Time per step : 181.6 µs
Contacts per step : 38.84
Constraints per step : 155.36
Degrees of freedom : 24
```
PiperOrigin-RevId: 721008829
Change-Id: I833df027527db578d86667cc4b24295bcf6f7d22
2025-01-29 09:38:22 -08:00
240a7afdee
Add sensors for potential and kinetic energy.
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PiperOrigin-RevId: 716775375
Change-Id: Ic8ab7f1a51df970ab551dabe7c797cde13cd97fd
2025-01-17 13:10:12 -08:00
2409a6e537
Add mjData.nA the number of non-zeros in the constraint inverse inertia matrix.
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PiperOrigin-RevId: 714076988
Change-Id: I4c323a6e81dfb23f7972b662719bbcb688bacf4a
2025-01-10 09:23:55 -08:00
b5df2c10bf
Remove mjData.C_diag, no longer required as C is now lower triangular.
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PiperOrigin-RevId: 712514204
Change-Id: I8293f65ebc09c6a8fed76b0e59d2e2a667e01a43
2025-01-06 06:58:19 -08:00
7eb8231fda
Represent only the lower triangle in Newton solver's reduced dof-dof matrix.
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PiperOrigin-RevId: 712488529
Change-Id: Iad91c72654376539791d7856765a0d0ac9088251
2025-01-06 04:58:55 -08:00
2691887500
Add engine-internal convenience macro for allocating typed arrays, improve error message.
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PiperOrigin-RevId: 705126655
Change-Id: I2bd8fada6d33a919d2fb82297f93ac57958355a4
2024-12-11 09:04:44 -08:00
3a14ada308
Store index of diagonal element for C and D in mjData.
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PiperOrigin-RevId: 704287869
Change-Id: I15d1faa0b5c3ff54721f692ec6329726456ec318
2024-12-09 08:01:30 -08:00
1d64362adc
Add mjv_copyModel to copy mjModel, skipping large arrays not required for abstract visualization.
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This functionality is meant for fast copying of `mjModel` when synchronizing the visualization state, as in the Python passive viewer.
PiperOrigin-RevId: 699199743
Change-Id: I13a5160063eb09139ec1aee9c4969bc1c6f547f1
2024-11-22 09:38:08 -08:00
a51f346059
Use sparse (uncompressed) actuator_moment in mj_transmission.
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PiperOrigin-RevId: 692179704
Change-Id: Ic30ac5a98dc13de2028e378df65dc88ba3912bf5
2024-11-01 08:06:28 -07:00
c9f78ad8a8
Rename nnzJ to nJ in mjData.
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This naming is more consistent.
PiperOrigin-RevId: 691858223
Change-Id: Ife3db822afa0b51b30d0792548b35b3742da388a
2024-10-31 10:43:10 -07:00
0c97dcf1fd
Avoid overflowing the stack when allocating memory for polytope in EPA.
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PiperOrigin-RevId: 688641864
Change-Id: I3eef7e821ffbfa8d97a946ecf86d098cb4f0c233
2024-10-22 12:11:22 -07:00
ee7b994021
Remove Newton Cholesky factor from mjData arena, rollback of b66da3d369.
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PiperOrigin-RevId: 685726867
Change-Id: Ic2afd0dd35e38f403164d2cbe4618286abfa51ab
2024-10-14 09:07:22 -07:00
9aca4bccac
Fix stack usage reporting under ASAN.
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PiperOrigin-RevId: 684790558
Change-Id: Ifc206bb0653c1fa3052621f0d3d80cb10671b77f
2024-10-11 04:37:12 -07:00
Yuval Tassa