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Clarify RigidDynamicBody modes
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prevent a crash when calling test_body_motion. Call reload_kinematic_shapes from init_kinematic_utilities as they are always called together.
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RigidDynamicBody modes are replaced with several properties to make their
usage clearer:
-lock_rotation: disable body's rotation (instead of MODE_LOCKED)
-freeze: no gravity or forces (instead of MODE_STATIC and MODE_KINEMATIC)
-freeze_mode: Static (can be only teleported) or Kinematic (can be animated)
Also renamed MODE_DYNAMIC_LOCKED to MODE_DYNAMIC_LINEAR in the physics
servers.
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The default mask for queries was 0, 0x7FFFFFFF or 0xFFFFFFFF depending
on the cases.
Now always using 0xFFFFFFFF (in the form of UINT32_MAX to make it clear)
in order to use all layers by default.
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Synchronize fixes from the 3.x branch to keep Bullet code in sync for
later, even if it's disabled for now.
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Fix 3D moving platform logic
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Same thing that was already done in 2D, applies moving platform motion
by using a call to move_and_collide that excludes the platform itself,
instead of making it part of the body motion.
Helps with handling walls and slopes correctly when the character walks
on the moving platform.
Also made some minor adjustments to the 2D version and documentation.
Co-authored-by: fabriceci <fabricecipolla@gmail.com>
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When synchronizing CharacterBody motion with moving the platform using
direct body state, only the linear velocity was taken into account.
This change exposes velocity at local point in direct body state and
uses it in move_and_slide to get the proper velocity that includes
rotations.
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Check for each body individually if it collides with the other one or
ignores it.
When a body is being ignored, the other body's mass is considered
infinite when applying impulses to avoid extra overlapping.
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Or after punctuation. Tried to leave third-party stuff alone, unless it has
been heavily modified for Godot.
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MODE_DYNAMIC instead of MODE_RIGID
MODE_DYNAMIC_LOCKED instead of MODE_CHARACTER
No more special case for sleeping behavior for MODE_DYNAMIC_LOCKED
(MODE_CHARACTER was forcing the body not to sleep, which is redundant
with can_sleep and wasn't done in Bullet).
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Removed _direct_state_changed bindings
Affects 2D and 3D nodes
Callbacks now use Callable
Tests were changed accordingly
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Heightmap collision shape support in Godot Physics
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SoftBody support in GodotPhysics 3D
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Helps a lot with soft bodies and generally useful to avoid shapes to go
through the ground in certain cases.
Added an option in ConcavePolygonShape to re-enable backface collision
on specific bodies if needed.
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- Fixed SoftBody surface update with new rendering system
- Added GodotPhysics implementation for SoftBody
- Added support to get SoftBody rid to interact with the physics server
- Added support to get SoftBody bounds from the physics server
- Removed support for unused get_vertex_position and get_point_offset
from the physics server
- Removed SoftBody properties that are unused in both Bullet and
GodotPhysics (angular and volume stiffness, pose matching)
- Added RenderingServerHandler interface to PhysicsServer3D so the physics servers don't need to reference the class from SoftBody node directly
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Previously godot would try to access
`CollisionObjectBullet::bt_collision_object` even if it was null.
Fixes #46651
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-Rendering server now uses a split RID allocate/initialize internally, this allows generating RIDs immediately but initialization to happen later on the proper thread (as rendering APIs generally requiere to call on the right thread).
-RenderingServerWrapMT is no more, multithreading is done in RenderingServerDefault.
-Some functions like texture or mesh creation, when renderer supports it, can register and return immediately (so no waiting for server API to flush, and saving staging and command buffer memory).
-3D physics server changed to be made multithread friendly.
-Added PhysicsServer3DWrapMT to use 3D physics server from multiple threads.
-Disablet Bullet (too much effort to make multithread friendly, this needs to be fixed eventually).
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Fix cast_motion sometimes failing
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Happy new year to the wonderful Godot community!
2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.
We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)
Here's to a great year 2021 for all Godot users 🎆
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Set Bullet collision shape index to zero when using a single shape or ConcavePolygonShape
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Remove any constraints connected to a Bullet body when removing it
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Since we clone the environments to build thirdparty code, we don't get an
explicit dependency on the build objects produced by that environment.
So when we update thirdparty code, Godot code using it is not necessarily
rebuilt (I think it is for changed headers, but not for changed .c/.cpp files),
which can lead to an invalid compilation output (linking old Godot .o files
with a newer, potentially ABI breaking version of thirdparty code).
This was only seen as really problematic with bullet updates (leading to
crashes when rebuilding Godot after a bullet update without cleaning .o files),
but it's safer to fix it everywhere, even if it's a LOT of hacky boilerplate.
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- Fixes Godot physics failing when the cast Shape is inside of, or
already colliding with another Shape.
- Fixes Bullet physics failing when there is no motion.
- Ensures Godot and Bullet physics behave the same.
- Updates the documentation to exclude the caveats for the failures and
differences.
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It was due to main_shape_changed being called two times for each
added body. The first time it disables ccd, which sets the internal ccd
threshold to be 10000. The second time, it enables ccd again because
the internal threshold is > 0.
Bodies are now consistently set with a ccd threshold of 0 when ccd is
disabled.
This was causing crashing asserts in Bullet when adding bodies in some
scenarios, in btVector3::normalize():
btAssert(!fuzzyZero());
These crashes will still happen with ccd enabled.
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Remove the unnecessary sync() and the restrictions it imposes on 3D Physics.
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-Removed FuncRef, since Callable makes it obsolete
-Removed int_types.h as its obsolete in c++11+
-Changed color names code
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or ConcavePolygonShape3D.
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Removed make_binders and the old style generated binders.
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Reapply -Avoid adding margin twice along capsule Y axis
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Initialise Bullet RigidBody friction to the expected value of 1.0
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Co-authored-by: Andrea Catania <info@andreacatania.com>
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