# HG changeset patch # User yexo # Date 2012-08-13 19:22:26 # Node ID 8ff9f94e70e3541f378b8eded7f81f358f300616 # Parent eae5e3a9ba2554c9b9e16616e395c97e8e6892d6 (svn r24468) -Add [FS#5219]: API compatibility scripts for Goal Scripts (Hirundo) diff --git a/src/ai/ai_instance.cpp b/src/ai/ai_instance.cpp --- a/src/ai/ai_instance.cpp +++ b/src/ai/ai_instance.cpp @@ -81,7 +81,6 @@ #include "../company_base.h" #include "../company_func.h" -#include "../fileio_func.h" AIInstance::AIInstance() : ScriptInstance("AI") @@ -194,29 +193,7 @@ void AIInstance::RegisterAPI() SQAIWaypointList_Register(this->engine); SQAIWaypointList_Vehicle_Register(this->engine); - if (!this->LoadCompatibilityScripts(this->versionAPI)) this->Died(); -} - -bool AIInstance::LoadCompatibilityScripts(const char *api_version) -{ - 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, AI_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; + if (!this->LoadCompatibilityScripts(this->versionAPI, AI_DIR)) this->Died(); } void AIInstance::Died() diff --git a/src/ai/ai_instance.hpp b/src/ai/ai_instance.hpp --- a/src/ai/ai_instance.hpp +++ b/src/ai/ai_instance.hpp @@ -29,17 +29,10 @@ public: /* virtual */ ScriptInfo *FindLibrary(const char *library, int version); private: - const char *versionAPI; ///< Current API used by this script. - /* virtual */ void RegisterAPI(); /* virtual */ void Died(); /* virtual */ CommandCallback *GetDoCommandCallback(); /* virtual */ void LoadDummyScript(); - - /** - * Load squirrel scripts to emulate an older API. - */ - bool LoadCompatibilityScripts(const char *api_version); }; #endif /* AI_INSTANCE_HPP */ diff --git a/src/game/game_instance.cpp b/src/game/game_instance.cpp --- a/src/game/game_instance.cpp +++ b/src/game/game_instance.cpp @@ -89,6 +89,8 @@ GameInstance::GameInstance() : void GameInstance::Initialize(GameInfo *info) { + this->versionAPI = info->GetAPIVersion(); + /* Register the GameController */ SQGSController_Register(this->engine); @@ -192,6 +194,8 @@ void GameInstance::RegisterAPI() SQGSWindow_Register(this->engine); RegisterGameTranslation(this->engine); + + if (!this->LoadCompatibilityScripts(this->versionAPI, GAME_DIR)) this->Died(); } int GameInstance::GetSetting(const char *name) diff --git a/src/script/script_instance.cpp b/src/script/script_instance.cpp --- 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 --- 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();