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Portals - improve STATIC bounds on conversion 

Introduces fallback path for geometry types that are not recognised.
Allows STATIC mode for CPUParticles (using expansion margin)
Allows STATIC mode for Particles (using "visibility_aabb")
This commit is contained in:
lawnjelly 2022-02-22 09:46:19 +00:00
parent 1bbf46bfba
commit cb108fb4f8
1 changed files with 43 additions and 10 deletions
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53
scene/3d/room_manager.cpp
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@ -41,6 +41,7 @@
#include "room_group.h"
#include "scene/3d/camera.h"
#include "scene/3d/light.h"
#include "scene/3d/particles.h"
#include "scene/3d/sprite_3d.h"
#include "visibility_notifier.h"
@ -1325,9 +1326,7 @@ void RoomManager::_process_static(Room *p_room, Spatial *p_node, Vector<Vector3>
// MeshInstance is the most interesting type for portalling, so we handle this explicitly
MeshInstance *mi = Object::cast_to<MeshInstance>(p_node);
if (mi) {
if (p_add_to_portal_renderer) {
convert_log("\t\t\tMESH\t" + mi->get_name());
}
bool added = false;
Vector<Vector3> object_pts;
AABB aabb;
@ -1344,18 +1343,27 @@ void RoomManager::_process_static(Room *p_room, Spatial *p_node, Vector<Vector3>
}
if (p_add_to_portal_renderer) {
VisualServer::get_singleton()->room_add_instance(p_room->_room_rid, mi->get_instance(), mi->get_transformed_aabb(), object_pts);
// We are sending the VisualInstance AABB rather than the manually calced AABB, maybe we don't need to calc the AABB.
// If this works okay we can maybe later remove the manual AABB calculation in _bound_findpoints_mesh_instance().
VisualServer::get_singleton()->room_add_instance(p_room->_room_rid, mi->get_instance(), mi->get_transformed_aabb().grow(mi->get_extra_cull_margin()), object_pts);
added = true;
}
} // if bound found points
if (p_add_to_portal_renderer) {
String msg = "\t\t\tMESH\t" + mi->get_name();
if (!added) {
msg += "\t(unrecognized)";
}
convert_log(msg);
}
} else {
// geometry instance but not a mesh instance ..
if (p_add_to_portal_renderer) {
convert_log("\t\t\tGEOM\t" + gi->get_name());
}
Vector<Vector3> object_pts;
AABB aabb;
bool added = false;
// attempt to recognise this GeometryInstance and read back the geometry
// Note: never attempt to add dynamics to the room aabb
if (is_dynamic || _bound_findpoints_geom_instance(gi, object_pts, aabb)) {
@ -1368,9 +1376,24 @@ void RoomManager::_process_static(Room *p_room, Spatial *p_node, Vector<Vector3>
}
if (p_add_to_portal_renderer) {
VisualServer::get_singleton()->room_add_instance(p_room->_room_rid, gi->get_instance(), gi->get_transformed_aabb(), object_pts);
// if dynamic, we won't have properly calculated the aabb yet
if (is_dynamic) {
aabb = gi->get_transformed_aabb();
}
aabb.grow_by(gi->get_extra_cull_margin());
VisualServer::get_singleton()->room_add_instance(p_room->_room_rid, gi->get_instance(), aabb, object_pts);
added = true;
}
} // if bound found points
if (p_add_to_portal_renderer) {
String msg = "\t\t\tGEOM\t" + gi->get_name();
if (!added) {
msg += "\t(unrecognized)";
}
convert_log(msg);
}
}
} // if gi
@ -1832,7 +1855,17 @@ bool RoomManager::_bound_findpoints_geom_instance(GeometryInstance *p_gi, Vector
return true;
}
return false;
// Particles have a "visibility aabb" we can use for this
Particles *particles = Object::cast_to<Particles>(p_gi);
if (particles) {
r_aabb = particles->get_global_transform().xform(particles->get_visibility_aabb());
return true;
}
// Fallback path for geometry that is not recognised
// (including CPUParticles, which will need to rely on an expansion margin)
r_aabb = p_gi->get_transformed_aabb();
return true;
}
bool RoomManager::_bound_findpoints_mesh_instance(MeshInstance *p_mi, Vector<Vector3> &r_room_pts, AABB &r_aabb) {