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Switch surface indexing to start at 0 so string name matches integer index

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This commit is contained in:
clayjohn 2022-12-16 16:26:46 -08:00
parent 2e657e51f8
commit 1a890b1641
4 changed files with 28 additions and 14 deletions
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17
scene/3d/mesh_instance_3d.cpp
View File

@ -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<PropertyInfo> *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));
}
}

2
scene/3d/mesh_instance_3d.h
View File

@ -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<PropertyInfo> *p_list) const;
bool old_surface_index = false;
bool surface_index_0 = false;
void _notification(int p_what);
static void _bind_methods();

22
scene/resources/mesh.cpp
View File

@ -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<PropertyInfo> *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));
}
}
}

1
scene/resources/mesh.h
View File

@ -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<PropertyInfo> *p_list) const;
bool surface_index_0 = false;
virtual void reset_state() override;