virtualx-engine/editor/plugins/gdextension_export_plugin.h

122 lines
5.4 KiB
C++

/*************************************************************************/
/* gdextension_export_plugin.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef GDEXTENSION_EXPORT_PLUGIN_H
#define GDEXTENSION_EXPORT_PLUGIN_H
#include "editor/export/editor_export.h"
class GDExtensionExportPlugin : public EditorExportPlugin {
protected:
virtual void _export_file(const String &p_path, const String &p_type, const HashSet<String> &p_features);
virtual String _get_name() const { return "GDExtension"; }
};
void GDExtensionExportPlugin::_export_file(const String &p_path, const String &p_type, const HashSet<String> &p_features) {
if (p_type != "NativeExtension") {
return;
}
Ref<ConfigFile> config;
config.instantiate();
Error err = config->load(p_path);
ERR_FAIL_COND_MSG(err, "Failed to load GDExtension file: " + p_path);
ERR_FAIL_COND_MSG(!config->has_section_key("configuration", "entry_symbol"), "Failed to export GDExtension file, missing entry symbol: " + p_path);
String entry_symbol = config->get_value("configuration", "entry_symbol");
PackedStringArray tags;
String library_path = NativeExtension::find_extension_library(
p_path, config, [p_features](String p_feature) { return p_features.has(p_feature); }, &tags);
if (!library_path.is_empty()) {
add_shared_object(library_path, tags);
if (p_features.has("iOS") && (library_path.ends_with(".a") || library_path.ends_with(".xcframework"))) {
String additional_code = "extern void register_dynamic_symbol(char *name, void *address);\n"
"extern void add_ios_init_callback(void (*cb)());\n"
"\n"
"extern \"C\" void $ENTRY();\n"
"void $ENTRY_init() {\n"
" if (&$ENTRY) register_dynamic_symbol((char *)\"$ENTRY\", (void *)$ENTRY);\n"
"}\n"
"struct $ENTRY_struct {\n"
" $ENTRY_struct() {\n"
" add_ios_init_callback($ENTRY_init);\n"
" }\n"
"};\n"
"$ENTRY_struct $ENTRY_struct_instance;\n\n";
additional_code = additional_code.replace("$ENTRY", entry_symbol);
add_ios_cpp_code(additional_code);
String linker_flags = "-Wl,-U,_" + entry_symbol;
add_ios_linker_flags(linker_flags);
}
} else {
Vector<String> features_vector;
for (const String &E : p_features) {
features_vector.append(E);
}
ERR_FAIL_MSG(vformat("No suitable library found for GDExtension: %s. Possible feature flags for your platform: %s", p_path, String(", ").join(features_vector)));
}
List<String> dependencies;
if (config->has_section("dependencies")) {
config->get_section_keys("dependencies", &dependencies);
}
for (const String &E : dependencies) {
Vector<String> dependency_tags = E.split(".");
bool all_tags_met = true;
for (int i = 0; i < dependency_tags.size(); i++) {
String tag = dependency_tags[i].strip_edges();
if (!p_features.has(tag)) {
all_tags_met = false;
break;
}
}
if (all_tags_met) {
Dictionary dependency = config->get_value("dependencies", E);
for (const Variant *key = dependency.next(nullptr); key; key = dependency.next(key)) {
String dependency_path = *key;
String target_path = dependency[*key];
if (dependency_path.is_relative_path()) {
dependency_path = p_path.get_base_dir().path_join(dependency_path);
}
add_shared_object(dependency_path, dependency_tags, target_path);
}
break;
}
}
}
#endif // GDEXTENSION_EXPORT_PLUGIN_H