From 1a890b16416bff307b269153593014d5e7c5d749 Mon Sep 17 00:00:00 2001 From: clayjohn Date: Fri, 16 Dec 2022 16:26:46 -0800 Subject: [PATCH] Switch surface indexing to start at 0 so string name matches integer index --- scene/3d/mesh_instance_3d.cpp | 17 +++++++++-------- scene/3d/mesh_instance_3d.h | 2 +- scene/resources/mesh.cpp | 22 +++++++++++++++++----- scene/resources/mesh.h | 1 + 4 files changed, 28 insertions(+), 14 deletions(-) diff --git a/scene/3d/mesh_instance_3d.cpp b/scene/3d/mesh_instance_3d.cpp index 10f3ab5c797..16de95bfb12 100644 --- a/scene/3d/mesh_instance_3d.cpp +++ b/scene/3d/mesh_instance_3d.cpp @@ -53,21 +53,22 @@ bool MeshInstance3D::_set(const StringName &p_name, const Variant &p_value) { if (p_name.operator String().begins_with("surface_material_override/")) { int idx = p_name.operator String().get_slicec('/', 1).to_int(); - // This is a bit of a hack to ensure compatibility with older material - // overrides that start indexing at 0. + // This is a bit of a hack to ensure compatibility with material + // overrides that start indexing at 1. // We assume that idx 0 is always read first, if its not, this won't work. if (idx == 0) { - old_surface_index = true; + surface_index_0 = true; } - if (old_surface_index) { - idx++; + if (!surface_index_0) { + // This means the file was created when the indexing started at 1, so decrease by one. + idx--; } if (idx > surface_override_materials.size() || idx < 0) { return false; } - set_surface_override_material(idx - 1, p_value); + set_surface_override_material(idx, p_value); return true; } @@ -86,7 +87,7 @@ bool MeshInstance3D::_get(const StringName &p_name, Variant &r_ret) const { } if (p_name.operator String().begins_with("surface_material_override/")) { - int idx = p_name.operator String().get_slicec('/', 1).to_int() - 1; + int idx = p_name.operator String().get_slicec('/', 1).to_int(); if (idx >= surface_override_materials.size() || idx < 0) { return false; } @@ -109,7 +110,7 @@ void MeshInstance3D::_get_property_list(List *p_list) const { } if (mesh.is_valid()) { - for (int i = 1; i <= mesh->get_surface_count(); i++) { + for (int i = 0; i < mesh->get_surface_count(); i++) { p_list->push_back(PropertyInfo(Variant::OBJECT, vformat("%s/%d", PNAME("surface_material_override"), i), PROPERTY_HINT_RESOURCE_TYPE, "BaseMaterial3D,ShaderMaterial", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_DEFERRED_SET_RESOURCE)); } } diff --git a/scene/3d/mesh_instance_3d.h b/scene/3d/mesh_instance_3d.h index 9e6dbaf1603..e1cc5272ea3 100644 --- a/scene/3d/mesh_instance_3d.h +++ b/scene/3d/mesh_instance_3d.h @@ -57,7 +57,7 @@ protected: bool _set(const StringName &p_name, const Variant &p_value); bool _get(const StringName &p_name, Variant &r_ret) const; void _get_property_list(List *p_list) const; - bool old_surface_index = false; + bool surface_index_0 = false; void _notification(int p_what); static void _bind_methods(); diff --git a/scene/resources/mesh.cpp b/scene/resources/mesh.cpp index a5e7602c8bf..af770ddedea 100644 --- a/scene/resources/mesh.cpp +++ b/scene/resources/mesh.cpp @@ -1118,7 +1118,19 @@ bool ArrayMesh::_set(const StringName &p_name, const Variant &p_value) { if (sl == -1) { return false; } - int idx = sname.substr(8, sl - 8).to_int() - 1; + int idx = sname.substr(8, sl - 8).to_int(); + + // This is a bit of a hack to ensure compatibility with older material + // overrides that start indexing at 1. + // We assume that idx 0 is always read first, if its not, this won't work. + if (idx == 0) { + surface_index_0 = true; + } + if (!surface_index_0) { + // This means the file was created when the indexing started at 1, so decrease by one. + idx--; + } + String what = sname.get_slicec('/', 1); if (what == "material") { surface_set_material(idx, p_value); @@ -1491,7 +1503,7 @@ bool ArrayMesh::_get(const StringName &p_name, Variant &r_ret) const { if (sl == -1) { return false; } - int idx = sname.substr(8, sl - 8).to_int() - 1; + int idx = sname.substr(8, sl - 8).to_int(); String what = sname.get_slicec('/', 1); if (what == "material") { r_ret = surface_get_material(idx); @@ -1519,11 +1531,11 @@ void ArrayMesh::_get_property_list(List *p_list) const { } for (int i = 0; i < surfaces.size(); i++) { - p_list->push_back(PropertyInfo(Variant::STRING, "surface_" + itos(i + 1) + "/name", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR)); + p_list->push_back(PropertyInfo(Variant::STRING, "surface_" + itos(i) + "/name", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR)); if (surfaces[i].is_2d) { - p_list->push_back(PropertyInfo(Variant::OBJECT, "surface_" + itos(i + 1) + "/material", PROPERTY_HINT_RESOURCE_TYPE, "CanvasItemMaterial,ShaderMaterial", PROPERTY_USAGE_EDITOR)); + p_list->push_back(PropertyInfo(Variant::OBJECT, "surface_" + itos(i) + "/material", PROPERTY_HINT_RESOURCE_TYPE, "CanvasItemMaterial,ShaderMaterial", PROPERTY_USAGE_EDITOR)); } else { - p_list->push_back(PropertyInfo(Variant::OBJECT, "surface_" + itos(i + 1) + "/material", PROPERTY_HINT_RESOURCE_TYPE, "BaseMaterial3D,ShaderMaterial", PROPERTY_USAGE_EDITOR)); + p_list->push_back(PropertyInfo(Variant::OBJECT, "surface_" + itos(i) + "/material", PROPERTY_HINT_RESOURCE_TYPE, "BaseMaterial3D,ShaderMaterial", PROPERTY_USAGE_EDITOR)); } } } diff --git a/scene/resources/mesh.h b/scene/resources/mesh.h index 6f995280e8a..fabc09a42c6 100644 --- a/scene/resources/mesh.h +++ b/scene/resources/mesh.h @@ -262,6 +262,7 @@ protected: bool _set(const StringName &p_name, const Variant &p_value); bool _get(const StringName &p_name, Variant &r_ret) const; void _get_property_list(List *p_list) const; + bool surface_index_0 = false; virtual void reset_state() override;