From 7658dc6e7e75e225d0e09f4c2744e63d7a934a78 Mon Sep 17 00:00:00 2001
From: Bastiaan Olij <mux213@gmail.com>
Date: Sat, 29 Oct 2022 01:14:53 +1100
Subject: Add optional UV2 logic for lightmapping to primitive shapes

---
 doc/classes/PrimitiveMesh.xml   | 6 ++++++
 doc/classes/ProjectSettings.xml | 3 +++
 2 files changed, 9 insertions(+)

(limited to 'doc/classes')

diff --git a/doc/classes/PrimitiveMesh.xml b/doc/classes/PrimitiveMesh.xml
index 7a411b27ac..b1c8907d8e 100644
--- a/doc/classes/PrimitiveMesh.xml
+++ b/doc/classes/PrimitiveMesh.xml
@@ -34,6 +34,9 @@
 		</method>
 	</methods>
 	<members>
+		<member name="add_uv2" type="bool" setter="set_add_uv2" getter="get_add_uv2" default="false">
+			If set, generates UV2 UV coordinates applying a padding using the [member uv2_padding] setting. UV2 is needed for lightmapping.
+		</member>
 		<member name="custom_aabb" type="AABB" setter="set_custom_aabb" getter="get_custom_aabb" default="AABB(0, 0, 0, 0, 0, 0)">
 			Overrides the [AABB] with one defined by user for use with frustum culling. Especially useful to avoid unexpected culling when using a shader to offset vertices.
 		</member>
@@ -44,5 +47,8 @@
 		<member name="material" type="Material" setter="set_material" getter="get_material">
 			The current [Material] of the primitive mesh.
 		</member>
+		<member name="uv2_padding" type="float" setter="set_uv2_padding" getter="get_uv2_padding" default="2.0">
+			If [member add_uv2] is set, specifies the padding in pixels applied along seams of the mesh. If at generation the size of the lightmap texture can't be determined, the UVs are calculated assuming a texture size of 1024x1024.
+		</member>
 	</members>
 </class>
diff --git a/doc/classes/ProjectSettings.xml b/doc/classes/ProjectSettings.xml
index 4699131c41..015de62ec1 100644
--- a/doc/classes/ProjectSettings.xml
+++ b/doc/classes/ProjectSettings.xml
@@ -2016,6 +2016,9 @@
 		<member name="rendering/lightmapping/bake_quality/ultra_quality_ray_count" type="int" setter="" getter="" default="1024">
 			The number of rays to use for baking lightmaps with [LightmapGI] when [member LightmapGI.quality] is [constant LightmapGI.BAKE_QUALITY_ULTRA].
 		</member>
+		<member name="rendering/lightmapping/primitive_meshes/texel_size" type="float" setter="" getter="" default="0.2">
+			The texel_size that is used to calculate the [member Mesh.lightmap_size_hint] on [PrimitiveMesh] resources if [member PrimitiveMesh.add_uv2] is enabled.
+		</member>
 		<member name="rendering/lightmapping/probe_capture/update_speed" type="float" setter="" getter="" default="15">
 			The framerate-independent update speed when representing dynamic object lighting from [LightmapProbe]s. Higher values make dynamic object lighting update faster. Higher values can prevent fast-moving objects from having "outdated" indirect lighting displayed on them, at the cost of possible flickering when an object moves from a bright area to a shaded area.
 		</member>
-- 
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