diff options
Diffstat (limited to 'src/ai/ai_info_dummy.cpp')
| -rw-r--r-- | src/ai/ai_info_dummy.cpp | 54 |
1 files changed, 39 insertions, 15 deletions
diff --git a/src/ai/ai_info_dummy.cpp b/src/ai/ai_info_dummy.cpp index 109e7b3a0..2a6f29732 100644 --- a/src/ai/ai_info_dummy.cpp +++ b/src/ai/ai_info_dummy.cpp @@ -5,6 +5,10 @@ #include <squirrel.h> #include "../stdafx.h" +#include "../string_func.h" +#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 @@ -14,7 +18,7 @@ * to select manual. It is a fail-over in case no AIs are available. */ -const SQChar dummy_script_info[] = _SC(" \n\ +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\ @@ -28,22 +32,12 @@ class DummyAI extends AIInfo { RegisterDummyAI(DummyAI()); \n\ "); -const SQChar dummy_script[] = _SC(" \n\ -class DummyAI extends AIController { \n\ - function Start() { \n\ - AILog.Error(\"No suitable AI found to load.\"); \n\ - AILog.Error(\"This AI is a dummy AI and won't do anything.\"); \n\ - AILog.Error(\"You can download several AIs via the 'Online Content' system.\"); \n\ - } \n\ -} \n\ -"); - void AI_CreateAIInfoDummy(HSQUIRRELVM vm) { 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, _dummy_script_info, scstrlen(_dummy_script_info), _SC("dummy"), SQTrue))) { sq_push(vm, -2); if (SQ_SUCCEEDED(sq_call(vm, 1, SQFalse, SQTrue))) { sq_pop(vm, 1); @@ -55,10 +49,40 @@ void AI_CreateAIInfoDummy(HSQUIRRELVM vm) void AI_CreateAIDummy(HSQUIRRELVM vm) { - sq_pushroottable(vm); + /* 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_AI_NO_AI_FOUND, lastof(error_message)); - /* Load and run the script */ - if (SQ_SUCCEEDED(sq_compilebuffer(vm, dummy_script, scstrlen(dummy_script), _SC("dummy"), SQTrue))) { + /* 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", lastof(dummy_script)); + + /* As special trick we need to split the error message on newlines and + * emit each newline as a separate error printing string. */ + char *newline; + char *p = error_message; + do { + newline = strchr(p, '\n'); + if (newline != NULL) *newline = '\0'; + + dp += seprintf(dp, lastof(dummy_script), " AILog.Error(\"%s\");\n", p); + p = newline + 1; + } while (newline != NULL); + + dp = strecpy(dp, " }\n}\n", lastof(dummy_script)); + + /* 3) We translate the error message in the character format that Squirrel wants. + * We can use the fact that the wchar string printing also uses %s to print + * old style char strings, which is what was generated during the script generation. */ + const SQChar *sq_dummy_script = OTTD2FS(dummy_script); + + /* And finally we load and run the script */ + sq_pushroottable(vm); + 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); |