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Implement occlusion culling

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Added an occlusion culling system with support for static occluder meshes.
It can be enabled via `Project Settings > Rendering > Occlusion Culling > Use Occlusion Culling`.

Occluders are defined via the new `Occluder3D` resource and instanced using the new
`OccluderInstance3D` node. The occluders can also be automatically baked from a
scene using the built-in editor plugin.
This commit is contained in:
jfons
2021-04-20 18:40:24 +02:00
parent 34b3e8f9e2
commit 4d9d99bb82
50 changed files with 3138 additions and 47 deletions
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40
editor/node_3d_editor_gizmos.cpp
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@@ -47,6 +47,7 @@
#include "scene/3d/listener_3d.h"
#include "scene/3d/mesh_instance_3d.h"
#include "scene/3d/navigation_region_3d.h"
#include "scene/3d/occluder_instance_3d.h"
#include "scene/3d/physics_joint_3d.h"
#include "scene/3d/position_3d.h"
#include "scene/3d/ray_cast_3d.h"
@@ -176,6 +177,7 @@ void EditorNode3DGizmo::Instance::create_instance(Node3D *p_base, bool p_hidden)
RS::get_singleton()->instance_geometry_set_cast_shadows_setting(instance, RS::SHADOW_CASTING_SETTING_OFF);
int layer = p_hidden ? 0 : 1 << Node3DEditorViewport::GIZMO_EDIT_LAYER;
RS::get_singleton()->instance_set_layer_mask(instance, layer); //gizmos are 26
RS::get_singleton()->instance_geometry_set_flag(instance, RS::INSTANCE_FLAG_IGNORE_OCCLUSION_CULLING, true);
}
void EditorNode3DGizmo::add_mesh(const Ref<ArrayMesh> &p_mesh, bool p_billboard, const Ref<SkinReference> &p_skin_reference, const Ref<Material> &p_material) {
@@ -1464,6 +1466,44 @@ void MeshInstance3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
}
/////
OccluderInstance3DGizmoPlugin::OccluderInstance3DGizmoPlugin() {
create_material("line_material", EDITOR_DEF("editors/3d_gizmos/gizmo_colors/occluder", Color(0.8, 0.5, 1)));
}
bool OccluderInstance3DGizmoPlugin::has_gizmo(Node3D *p_spatial) {
return Object::cast_to<OccluderInstance3D>(p_spatial) != nullptr;
}
String OccluderInstance3DGizmoPlugin::get_gizmo_name() const {
return "OccluderInstance3D";
}
int OccluderInstance3DGizmoPlugin::get_priority() const {
return -1;
}
void OccluderInstance3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
OccluderInstance3D *occluder_instance = Object::cast_to<OccluderInstance3D>(p_gizmo->get_spatial_node());
p_gizmo->clear();
Ref<Occluder3D> o = occluder_instance->get_occluder();
if (!o.is_valid()) {
return;
}
Vector<Vector3> lines = o->get_debug_lines();
if (!lines.is_empty()) {
Ref<Material> material = get_material("line_material", p_gizmo);
p_gizmo->add_lines(lines, material);
p_gizmo->add_collision_segments(lines);
}
}
/////
Sprite3DGizmoPlugin::Sprite3DGizmoPlugin() {
}