From 4e206fae5be6093b36c7779ba2a4a3679f0e754b Mon Sep 17 00:00:00 2001
From: Star Rauchenberger <fefferburbia@gmail.com>
Date: Thu, 23 Nov 2023 01:47:18 +0000
Subject: something

---
 main.cpp | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 main.cpp

(limited to 'main.cpp')

diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..9da0c40
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,98 @@
+#include <filesystem>
+#include <fstream>
+#include <iostream>
+#include <list>
+#include <utility>
+
+#include "heading.h"
+#include "scene.h"
+#include "script.h"
+
+struct EmbeddedScript {
+  Script script;
+  bool internal = false;  // true if referred from within another script
+  int id = -1;            // if internal is false, ExtResource id
+  std::string path;       // if internal is true
+};
+
+void show_usage() {
+  std::cout << "godot3_tscn_compactor [path to root tscn] [file prefix]"
+            << std::endl;
+}
+
+int main(int argc, char** argv) {
+  if (argc != 3) {
+    show_usage();
+    return 0;
+  }
+
+  std::filesystem::path root_tscn_path(argv[1]);
+  std::string file_prefix(argv[2]);
+
+  Scene root_tscn(root_tscn_path);
+
+  std::vector<EmbeddedScript> sub_scripts;
+
+  for (const auto& [id, heading] : root_tscn.ext_resources()) {
+    std::string resource_filename =
+        std::get<std::string>(heading.GetKeyval("path"));
+    if (resource_filename.substr(0, file_prefix.size()) == file_prefix) {
+      std::filesystem::path relative_filename =
+          resource_filename.substr(file_prefix.size());
+      std::filesystem::path resource_path =
+          root_tscn_path.parent_path() / relative_filename;
+
+      EmbeddedScript embedded_script;
+      embedded_script.script = Script(resource_path, file_prefix);
+      embedded_script.id = id;
+
+      sub_scripts.push_back(std::move(embedded_script));
+    }
+  }
+
+  std::list<EmbeddedScript> all_scripts;
+  std::vector<EmbeddedScript> scripts_to_check = sub_scripts;
+  while (!scripts_to_check.empty()) {
+    std::vector<EmbeddedScript> cur_scripts;
+    cur_scripts.swap(scripts_to_check);
+
+    for (const EmbeddedScript& embedded_script : cur_scripts) {
+      all_scripts.push_front(embedded_script);
+
+      for (const std::string& loaded_script_path :
+           embedded_script.script.loaded_scripts()) {
+        std::filesystem::path resource_path =
+            root_tscn_path.parent_path() / loaded_script_path;
+
+        EmbeddedScript embedded_script;
+        embedded_script.script = Script(resource_path, file_prefix);
+        embedded_script.internal = true;
+        embedded_script.path = loaded_script_path;
+
+        scripts_to_check.push_back(std::move(embedded_script));
+      }
+    }
+  }
+
+  std::map<std::string, int> new_sub_scripts;
+  for (EmbeddedScript embedded_script : all_scripts) {
+    embedded_script.script.ReplaceScriptReferences(new_sub_scripts);
+    int sub_resource_id = root_tscn.AddSubResource(embedded_script.script);
+
+    if (embedded_script.internal) {
+      new_sub_scripts[embedded_script.path] = sub_resource_id;
+    } else {
+      root_tscn.RemoveExtResource(embedded_script.id);
+      root_tscn.ReplaceScriptReferences(embedded_script.id, sub_resource_id);
+    }
+  }
+
+  std::filesystem::path output_name = root_tscn_path;
+  output_name.replace_filename(std::string(output_name.stem()) +
+                               "_compiled.tscn");
+
+  std::ofstream output_stream(output_name);
+  output_stream << root_tscn.ToString();
+
+  return 0;
+}
-- 
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