Replace Extents with Size in VoxelGI, ReflectionProbe, FogVolume, Decal and GPUParticles*3D

- Extents are replaced by Size (Size is Extents * 2)
- The UI text displays 'Size'
- Snapping is adjusted to work with Size
- _set and _get handle extents for compatibility

Co-authored-by: ator-dev <dominic.codedeveloper@gmail.com>

2 files changed, 12 insertions, 12 deletions

diff --git a/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp b/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
index ad63d3fd4b..c440765b33 100644
--- a/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
+++ b/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
@@ -1232,9 +1232,9 @@ void RenderForwardClustered::_update_volumetric_fog(Ref<RenderSceneBuffersRD> p_
 
 /* Lighting */
 
-void RenderForwardClustered::setup_added_reflection_probe(const Transform3D &p_transform, const Vector3 &p_half_extents) {
+void RenderForwardClustered::setup_added_reflection_probe(const Transform3D &p_transform, const Vector3 &p_half_size) {
 	if (current_cluster_builder != nullptr) {
-		current_cluster_builder->add_box(ClusterBuilderRD::BOX_TYPE_REFLECTION_PROBE, p_transform, p_half_extents);
+		current_cluster_builder->add_box(ClusterBuilderRD::BOX_TYPE_REFLECTION_PROBE, p_transform, p_half_size);
 	}
 }
 
@@ -1244,9 +1244,9 @@ void RenderForwardClustered::setup_added_light(const RS::LightType p_type, const
 	}
 }
 
-void RenderForwardClustered::setup_added_decal(const Transform3D &p_transform, const Vector3 &p_half_extents) {
+void RenderForwardClustered::setup_added_decal(const Transform3D &p_transform, const Vector3 &p_half_size) {
 	if (current_cluster_builder != nullptr) {
-		current_cluster_builder->add_box(ClusterBuilderRD::BOX_TYPE_DECAL, p_transform, p_half_extents);
+		current_cluster_builder->add_box(ClusterBuilderRD::BOX_TYPE_DECAL, p_transform, p_half_size);
 	}
 }
 
@@ -2617,8 +2617,8 @@ void RenderForwardClustered::_render_sdfgi(Ref<RenderSceneBuffersRD> p_render_bu
 	render_list[RENDER_LIST_SECONDARY].sort_by_key();
 	_fill_instance_data(RENDER_LIST_SECONDARY);
 
-	Vector3 half_extents = p_bounds.size * 0.5;
-	Vector3 center = p_bounds.position + half_extents;
+	Vector3 half_size = p_bounds.size * 0.5;
+	Vector3 center = p_bounds.position + half_size;
 
 	Vector<RID> sbs = {
 		p_albedo_texture,
@@ -2646,16 +2646,16 @@ void RenderForwardClustered::_render_sdfgi(Ref<RenderSceneBuffersRD> p_render_bu
 		fb_size.x = p_size[right_axis];
 		fb_size.y = p_size[up_axis];
 
-		scene_data.cam_transform.origin = center + axis * half_extents;
+		scene_data.cam_transform.origin = center + axis * half_size;
 		scene_data.cam_transform.basis.set_column(0, right);
 		scene_data.cam_transform.basis.set_column(1, up);
 		scene_data.cam_transform.basis.set_column(2, axis);
 
 		//print_line("pass: " + itos(i) + " xform " + scene_data.cam_transform);
 
-		float h_size = half_extents[right_axis];
-		float v_size = half_extents[up_axis];
-		float d_size = half_extents[i] * 2.0;
+		float h_size = half_size[right_axis];
+		float v_size = half_size[up_axis];
+		float d_size = half_size[i] * 2.0;
 		scene_data.cam_projection.set_orthogonal(-h_size, h_size, -v_size, v_size, 0, d_size);
 		//print_line("pass: " + itos(i) + " cam hsize: " + rtos(h_size) + " vsize: " + rtos(v_size) + " dsize " + rtos(d_size));
 
diff --git a/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.h b/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.h
index 9245f1b13a..8eb17ba6f4 100644
--- a/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.h
+++ b/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.h
@@ -640,9 +640,9 @@ public:
 	RendererRD::SSEffects *get_ss_effects() { return ss_effects; }
 
 	/* callback from updating our lighting UBOs, used to populate cluster builder */
-	virtual void setup_added_reflection_probe(const Transform3D &p_transform, const Vector3 &p_half_extents) override;
+	virtual void setup_added_reflection_probe(const Transform3D &p_transform, const Vector3 &p_half_size) override;
 	virtual void setup_added_light(const RS::LightType p_type, const Transform3D &p_transform, float p_radius, float p_spot_aperture) override;
-	virtual void setup_added_decal(const Transform3D &p_transform, const Vector3 &p_half_extents) override;
+	virtual void setup_added_decal(const Transform3D &p_transform, const Vector3 &p_half_size) override;
 
 	virtual void base_uniforms_changed() override;
 	_FORCE_INLINE_ virtual void update_uniform_sets() override {