diff options
Diffstat (limited to 'src/script')
| -rw-r--r-- | src/script/script_instance.cpp | 23 | ||||
| -rw-r--r-- | src/script/script_instance.hpp | 10 |
2 files changed, 33 insertions, 0 deletions
diff --git a/src/script/script_instance.cpp b/src/script/script_instance.cpp index 5b515c52f..95fcf6f0d 100644 --- a/src/script/script_instance.cpp +++ b/src/script/script_instance.cpp @@ -27,6 +27,7 @@ #include "../company_base.h" #include "../company_func.h" +#include "../fileio_func.h" ScriptStorage::~ScriptStorage() { @@ -104,6 +105,28 @@ void ScriptInstance::RegisterAPI() squirrel_register_std(this->engine); } +bool ScriptInstance::LoadCompatibilityScripts(const char *api_version, Subdirectory dir) +{ + char script_name[32]; + seprintf(script_name, lastof(script_name), "compat_%s.nut", api_version); + char buf[MAX_PATH]; + Searchpath sp; + FOR_ALL_SEARCHPATHS(sp) { + FioAppendDirectory(buf, MAX_PATH, sp, dir); + ttd_strlcat(buf, script_name, MAX_PATH); + if (!FileExists(buf)) continue; + + if (this->engine->LoadScript(buf)) return true; + + ScriptLog::Error("Failed to load API compatibility script"); + DEBUG(script, 0, "Error compiling / running API compatibility script: %s", buf); + return false; + } + + ScriptLog::Warning("API compatibility script not found"); + return true; +} + ScriptInstance::~ScriptInstance() { ScriptObject::ActiveInstance active(this); diff --git a/src/script/script_instance.hpp b/src/script/script_instance.hpp index 7a02237b8..0cda170f4 100644 --- a/src/script/script_instance.hpp +++ b/src/script/script_instance.hpp @@ -17,6 +17,7 @@ #include "../command_type.h" #include "../company_type.h" +#include "../fileio_type.h" static const uint SQUIRREL_MAX_DEPTH = 25; ///< The maximum recursive depth for items stored in the savegame. @@ -176,6 +177,7 @@ public: protected: class Squirrel *engine; ///< A wrapper around the squirrel vm. + const char *versionAPI; ///< Current API used by this script. /** * Register all API functions to the VM. @@ -183,6 +185,14 @@ protected: virtual void RegisterAPI(); /** + * Load squirrel scripts to emulate an older API. + * @param api_version: API version to load scripts for + * @param dir Subdirectory to find the scripts in + * @return true iff script loading should proceed + */ + bool LoadCompatibilityScripts(const char *api_version, Subdirectory dir); + + /** * Tell the script it died. */ virtual void Died(); |