(svn r23366) -Codechange: move most of the Dummy code to script/, unifying it

7 files changed, 48 insertions, 42 deletions

diff --git a/src/ai/ai_instance.cpp b/src/ai/ai_instance.cpp
index 11459f649..2df8c2e44 100644
--- a/src/ai/ai_instance.cpp
+++ b/src/ai/ai_instance.cpp
@@ -229,6 +229,12 @@ void AIInstance::Died()
 	}
 }
 
+void AIInstance::LoadDummyScript()
+{
+	extern void Script_CreateDummy(HSQUIRRELVM vm, StringID string, const char *type);
+	Script_CreateDummy(this->engine->GetVM(), STR_ERROR_AI_NO_AI_FOUND, "AI");
+}
+
 /**
  * DoCommand callback function for all commands executed by AIs.
  * @param result The result of the command.
diff --git a/src/ai/ai_instance.hpp b/src/ai/ai_instance.hpp
index f0b66997e..886b716ae 100644
--- a/src/ai/ai_instance.hpp
+++ b/src/ai/ai_instance.hpp
@@ -32,6 +32,7 @@ private:
 	/* virtual */ void RegisterAPI();
 	/* virtual */ void Died();
 	/* virtual */ CommandCallback *GetDoCommandCallback();
+	/* virtual */ void LoadDummyScript();
 
 	/**
 	 * Load squirrel scripts to emulate an older API.
diff --git a/src/ai/ai_scanner.cpp b/src/ai/ai_scanner.cpp
index 3a296f00e..25d38ccdb 100644
--- a/src/ai/ai_scanner.cpp
+++ b/src/ai/ai_scanner.cpp
@@ -34,8 +34,8 @@ void AIScannerInfo::Initialize(const char *name)
 	/* Create the dummy AI */
 	free(this->main_script);
 	this->main_script = strdup("%_dummy");
-	extern void AI_CreateAIInfoDummy(HSQUIRRELVM vm);
-	AI_CreateAIInfoDummy(this->engine->GetVM());
+	extern void Script_CreateDummyInfo(HSQUIRRELVM vm, const char *type, const char *dir);
+	Script_CreateDummyInfo(this->engine->GetVM(), "AI", "ai");
 }
 
 void AIScannerInfo::SetDummyAI(class AIInfo *info)
diff --git a/src/ai/ai_info_dummy.cpp b/src/script/script_info_dummy.cpp
index f706110f7..4620ce8f7 100644
--- a/src/ai/ai_info_dummy.cpp
+++ b/src/script/script_info_dummy.cpp
@@ -7,7 +7,7 @@
  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
  */
 
-/** @file ai_info_dummy.cpp Implementation of a dummy AI. */
+/** @file script_info_dummy.cpp Implementation of a dummy Script. */
 
 #include <squirrel.h>
 #include "../stdafx.h"
@@ -16,37 +16,36 @@
 #include "../strings_func.h"
 #include "table/strings.h"
 
-/* The reason this exists in C++, is that a user can trash his ai/ dir,
- *  leaving no AIs available. The complexity to solve this is insane, and
- *  therefor the alternative is used, and make sure there is always an AI
+/* The reason this exists in C++, is that a user can trash his ai/ or game/ dir,
+ *  leaving no Scripts available. The complexity to solve this is insane, and
+ *  therefor the alternative is used, and make sure there is always a Script
  *  available, no matter what the situation is. By defining it in C++, there
- *  is simply now way a user can delete it, and therefor safe to use. It has
- *  to be noted that this AI is complete invisible for the user, and impossible
- *  to select manual. It is a fail-over in case no AIs are available.
+ *  is simply no way a user can delete it, and therefor safe to use. It has
+ *  to be noted that this Script is complete invisible for the user, and impossible
+ *  to select manual. It is a fail-over in case no Scripts are available.
  */
 
-/** info.nut for the dummy AI. */
-const SQChar _dummy_script_info[] = _SC("                                                       \n\
-class DummyAI extends AIInfo {                                                                  \n\
-  function GetAuthor()      { return \"OpenTTD NoAI Developers Team\"; }                        \n\
-  function GetName()        { return \"DummyAI\"; }                                             \n\
-  function GetShortName()   { return \"DUMM\"; }                                                \n\
-  function GetDescription() { return \"A Dummy AI that is loaded when your ai/ dir is empty\"; }\n\
-  function GetVersion()     { return 1; }                                                       \n\
-  function GetDate()        { return \"2008-07-26\"; }                                          \n\
-  function CreateInstance() { return \"DummyAI\"; }                                             \n\
-}                                                                                               \n\
-                                                                                                \n\
-RegisterDummyAI(DummyAI());                                                                     \n\
-");
-
 /** Run the dummy info.nut. */
-void AI_CreateAIInfoDummy(HSQUIRRELVM vm)
+void Script_CreateDummyInfo(HSQUIRRELVM vm, const char *type, const char *dir)
 {
+	char dummy_script[4096];
+	char *dp = dummy_script;
+	dp += seprintf(dp, lastof(dummy_script), "class Dummy%s extends %sInfo {\n", type, type);
+	dp += seprintf(dp, lastof(dummy_script), "function GetAuthor()      { return \"OpenTTD Developers Team\"; }\n");
+	dp += seprintf(dp, lastof(dummy_script), "function GetName()        { return \"Dummy%s\"; }\n", type);
+	dp += seprintf(dp, lastof(dummy_script), "function GetShortName()   { return \"DUMM\"; }\n");
+	dp += seprintf(dp, lastof(dummy_script), "function GetDescription() { return \"A Dummy %s that is loaded when your %s/ dir is empty\"; }\n", type, dir);
+	dp += seprintf(dp, lastof(dummy_script), "function GetVersion()     { return 1; }\n");
+	dp += seprintf(dp, lastof(dummy_script), "function GetDate()        { return \"2008-07-26\"; }\n");
+	dp += seprintf(dp, lastof(dummy_script), "function CreateInstance() { return \"Dummy%s\"; }\n", type);
+	dp += seprintf(dp, lastof(dummy_script), "} RegisterDummy%s(Dummy%s());\n", type, type);
+
+	const SQChar *sq_dummy_script = OTTD2SQ(dummy_script);
+
 	sq_pushroottable(vm);
 
 	/* Load and run the script */
-	if (SQ_SUCCEEDED(sq_compilebuffer(vm, _dummy_script_info, scstrlen(_dummy_script_info), _SC("dummy"), SQTrue))) {
+	if (SQ_SUCCEEDED(sq_compilebuffer(vm, sq_dummy_script, scstrlen(sq_dummy_script), _SC("dummy"), SQTrue))) {
 		sq_push(vm, -2);
 		if (SQ_SUCCEEDED(sq_call(vm, 1, SQFalse, SQTrue))) {
 			sq_pop(vm, 1);
@@ -57,14 +56,14 @@ void AI_CreateAIInfoDummy(HSQUIRRELVM vm)
 }
 
 /** Run the dummy AI and let it generate an error message. */
-void AI_CreateAIDummy(HSQUIRRELVM vm)
+void Script_CreateDummy(HSQUIRRELVM vm, StringID string, const char *type)
 {
 	/* We want to translate the error message.
 	 * We do this in three steps:
 	 * 1) We get the error message
 	 */
 	char error_message[1024];
-	GetString(error_message, STR_ERROR_AI_NO_AI_FOUND, lastof(error_message));
+	GetString(error_message, string, lastof(error_message));
 
 	/* Make escapes for all quotes and slashes. */
 	char safe_error_message[1024];
@@ -78,7 +77,7 @@ void AI_CreateAIDummy(HSQUIRRELVM vm)
 	/* 2) We construct the AI's code. This is done by merging a header, body and footer */
 	char dummy_script[4096];
 	char *dp = dummy_script;
-	dp = strecpy(dp, "class DummyAI extends AIController {\n  function Start()\n  {\n", lastof(dummy_script));
+	dp += seprintf(dp, lastof(dummy_script), "class Dummy%s extends %sController {\n  function Start()\n  {\n", type, type);
 
 	/* As special trick we need to split the error message on newlines and
 	 * emit each newline as a separate error printing string. */
@@ -88,7 +87,7 @@ void AI_CreateAIDummy(HSQUIRRELVM vm)
 		newline = strchr(p, '\n');
 		if (newline != NULL) *newline = '\0';
 
-		dp += seprintf(dp, lastof(dummy_script), "    AILog.Error(\"%s\");\n", p);
+		dp += seprintf(dp, lastof(dummy_script), "    %sLog.Error(\"%s\");\n", type, p);
 		p = newline + 1;
 	} while (newline != NULL);
 
diff --git a/src/script/script_instance.cpp b/src/script/script_instance.cpp
index beebe2fd7..97fdfd68f 100644
--- a/src/script/script_instance.cpp
+++ b/src/script/script_instance.cpp
@@ -78,8 +78,7 @@ void ScriptInstance::Initialize(const char *main_script, const char *instance_na
 		ScriptObject::SetAllowDoCommand(false);
 		/* Load and execute the script for this script */
 		if (strcmp(main_script, "%_dummy") == 0) {
-			extern void AI_CreateAIDummy(HSQUIRRELVM vm);
-			AI_CreateAIDummy(this->engine->GetVM());
+			this->LoadDummyScript();
 		} else if (!this->engine->LoadScript(main_script) || this->engine->IsSuspended()) {
 			if (this->engine->IsSuspended()) ScriptLog::Error("This script took too long to load script. AI is not started.");
 			this->Died();
@@ -103,6 +102,7 @@ void ScriptInstance::Initialize(const char *main_script, const char *instance_na
 
 void ScriptInstance::RegisterAPI()
 {
+	extern void squirrel_register_std(Squirrel *engine);
 	squirrel_register_std(this->engine);
 }
 
diff --git a/src/script/script_instance.hpp b/src/script/script_instance.hpp
index c5ff730c7..b84a36496 100644
--- a/src/script/script_instance.hpp
+++ b/src/script/script_instance.hpp
@@ -162,6 +162,11 @@ protected:
 	 */
 	virtual CommandCallback *GetDoCommandCallback() = 0;
 
+	/**
+	 * Load the dummy script.
+	 */
+	virtual void LoadDummyScript() = 0;
+
 private:
 	class ScriptController *controller;   ///< The script main class.
 	class ScriptStorage *storage;         ///< Some global information for each running script.
diff --git a/src/script/squirrel.hpp b/src/script/squirrel.hpp
index 6b9c3ab70..dbccd3c08 100644
--- a/src/script/squirrel.hpp
+++ b/src/script/squirrel.hpp
@@ -36,11 +36,6 @@ private:
 	static SQInteger _RunError(HSQUIRRELVM vm);
 
 	/**
-	 * Get the squirrel VM. Try to avoid using this.
-	 */
-	HSQUIRRELVM GetVM() { return this->vm; }
-
-	/**
 	 * Get the API name.
 	 */
 	const char *GetAPIName() { return this->APIName; }
@@ -67,15 +62,15 @@ protected:
 	static void ErrorPrintFunc(HSQUIRRELVM vm, const SQChar *s, ...);
 
 public:
-	friend class AIScannerInfo;
-	friend class ScriptInstance;
-	friend class ScriptController;
-	friend void squirrel_register_std(Squirrel *engine);
-
 	Squirrel(const char *APIName);
 	~Squirrel();
 
 	/**
+	 * Get the squirrel VM. Try to avoid using this.
+	 */
+	HSQUIRRELVM GetVM() { return this->vm; }
+
+	/**
 	 * Load a script.
 	 * @param script The full script-name to load.
 	 * @return False if loading failed.