Commit graph

9 commits

Author SHA1 Message Date
Bill Currie
3c4dccf801 [ecs] Organize headers and code
There's now a main ecs.h file that includes the sub-system headers,
removing the need to explicitly include several header files, but the
sub-systems are a less cluttered.
2022-12-13 15:31:35 +09:00
Bill Currie
db7f8a461e [ecs] Move ECS core into its own library
While the libraries are probably getting a little out of hand, the
separation into its own directory is probably a good thing as an ECS
should not be tied to scenes. This should make the ECS more generally
useful.
2022-10-26 17:24:03 +09:00
Bill Currie
8acd5c558b [scene] Make entity_t just an entity id for ECS
This puts the hierarchy (transform) reference, animation, visibility,
renderer, active, and old_origin data in separate components. There are
a few bugs (crashes on grenade explosions in gl/glsl/vulkan, immediately
in sw, reasons known, missing brush models in vulkan).

While quake doesn't really need an ECS, the direction I want to take QF
does, and it does seem to have improved memory bandwidth a little
(uncertain). However, there's a lot more work to go (especially fixing
the above bugs), but this seems to be a good start.
2022-10-23 22:24:36 +09:00
Bill Currie
de786ce197 [scene] Use hierref_t instead of transform_t in hierarchy
Hierarchies are now much closer to being more general in that they are
not tied to 3d transforms. This is a major step to moving the whole
entity/transform system into an ECS.
2022-10-22 13:04:07 +09:00
Bill Currie
1dff24dbd0 [scene] Implement Hierarchy_Copy
It copies an entire hierarchy (minus actual entities, but I'm as yet
unsure how to proceed with them), even across scenes as the source scene
is irrelevant and the destination scene is used for creating the new
transforms.
2022-05-08 11:14:00 +09:00
Bill Currie
6ec8e29429 [scene] Track hierarchies instead of root transforms
The root transform of each hierarchy can be extracted from the first
transform of the list in the hierarchy, so no information is lost. The
main reason for the change is I discovered (obvious in hindsight) that
deleting root transforms was O(n) due to keeping them in an array, thus
the use of a linked list (I don't expect a hierarchy to be in more than
one such list), and I didn't want the transforms to be in a linked list.
2022-03-04 06:43:30 +09:00
Bill Currie
ab91d73635 [scene] Use scene resources for the main hierarchy block
This will reduce the memory churn when creating hierarchies as
transforms switch between being root and child.
2022-03-02 10:49:41 +09:00
Bill Currie
b210f01837 [scene] Manage scene roots in transform
Since transforms now know the scene to which they belong, and they know
when they are root and when not, getting the transform code to manage
the scene roots is the best way to keep the list of root transforms
consistent.
2022-03-02 10:43:52 +09:00
Bill Currie
ba3879c6e0 [scene] Make transforms owned by the scene
This actually has at least two benefits: the transform id is managed by
the scene and thus does not need separate management by the Ruamoko
wrapper functions, and better memory handling of the transform objects.
Another benefit that isn't realized yet is that this is a step towards
breaking the renderers free of quake and quakeworld: although the
clients don't actually use the scene yet, it will be a good place to
store the rendering information (functions to run, etc).
2022-02-14 20:01:36 +09:00