Change: [Script] Extract params info from GS strings

src/game/game_text.cpp

@@ -19,6 +19,7 @@
 #include "game_info.hpp"
 
 #include "table/strings.h"
+#include "table/strgen_tables.h"
 
 #include <stdarg.h>
 #include <memory>
@@ -273,6 +274,31 @@ GameStrings *LoadTranslations()
 	}
 }
 
+static StringParam::ParamType GetParamType(const CmdStruct *cs)
+{
+	if (cs->value == SCC_RAW_STRING_POINTER) return StringParam::RAW_STRING;
+	if (cs->value == SCC_STRING || cs != TranslateCmdForCompare(cs)) return StringParam::STRING;
+	return StringParam::OTHER;
+}
+
+static void ExtractStringParams(const StringData &data, StringParamsList &params)
+{
+	for (size_t i = 0; i < data.max_strings; i++) {
+		const LangString *ls = data.strings[i];
+
+		if (ls != nullptr) {
+			StringParams &param = params.emplace_back();
+			ParsedCommandStruct pcs;
+			ExtractCommandString(&pcs, ls->english, false);
+
+			for (const CmdStruct *cs : pcs.cmd) {
+				if (cs == nullptr) break;
+				param.emplace_back(GetParamType(cs), cs->consumes);
+			}
+		}
+	}
+}
+
 /** Compile the language. */
 void GameStrings::Compile()
 {
@@ -283,6 +309,8 @@ void GameStrings::Compile()
 
 	this->version = data.Version();
 
+	ExtractStringParams(data, this->string_params);
+
 	StringNameWriter id_writer(this->string_names);
 	id_writer.WriteHeader(data);
 
@@ -312,6 +340,20 @@ const char *GetGameStringPtr(uint id)
 	return _current_data->cur_language->lines[id].c_str();
 }
 
+/**
+ * Get the string parameters of a particular game string.
+ * @param id The ID of the game string.
+ * @return The string parameters.
+ */
+const StringParams &GetGameStringParams(uint id)
+{
+	/* An empty result for STR_UNDEFINED. */
+	static StringParams empty;
+
+	if (id >= _current_data->string_params.size()) return empty;
+	return _current_data->string_params[id];
+}
+
 /**
  * Register the current translation to the Squirrel engine.
  * @param engine The engine to update/