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Added material_overlay property to MeshInstance3D

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Applying overlay materials into multi-surface meshes currently
requires adding a next pass material to all the surfaces, which
might be cumbersome when the material is to be applied to a range
of different geometries. This also makes it not trivial to use
AnimationPlayer to control the material in case of visual effects.
The material_override property is not an option as it works
replacing the active material for the surfaces, not adding a new pass.

This commit adds the material_overlay property to GeometryInstance3D
(and therefore MeshInstance3D), having the same reach as
material_override (that is, all surfaces) but adding a new material
pass on top of the active materials, instead of replacing them.
This commit is contained in:
Fernando Cosentino 2021-09-25 19:40:26 +01:00 • committed by Rémi Verschelde
parent 2c7fcdd7f9
commit ca79373d13
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GPG key ID: C3336907360768E1
18 changed files with 147 additions and 20 deletions
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1
servers/rendering/rendering_server_default.h
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@ -712,6 +712,7 @@ public:
FUNC3(instance_geometry_set_flag, RID, InstanceFlags, bool)
FUNC2(instance_geometry_set_cast_shadows_setting, RID, ShadowCastingSetting)
FUNC2(instance_geometry_set_material_override, RID, RID)
FUNC2(instance_geometry_set_material_overlay, RID, RID)
FUNC6(instance_geometry_set_visibility_range, RID, float, float, float, float, VisibilityRangeFadeMode)
FUNC4(instance_geometry_set_lightmap, RID, RID, const Rect2 &, int)