Add Translation Natives (#669)

* Add Translation Natives

See #626

* Fix vocab errors
* Better description
* Bump ITranslator Version
* Implement KyleS' Review Requests
* Improve documentation

core/logic/PhraseCollection.cpp

@@ -89,6 +89,19 @@ IPhraseFile *CPhraseCollection::GetFile(unsigned int file)
 	return m_Files[file];
 }
 
+bool CPhraseCollection::TranslationPhraseExists(const char *key)
+{
+	for (size_t i = 0; i < m_Files.size(); i++)
+	{
+		if (m_Files[i]->TranslationPhraseExists(key))
+		{
+			return true;
+		}
+	}
+
+	return false;
+}
+
 TransError CPhraseCollection::FindTranslation(const char *key, unsigned int langid, Translation *pTrans)
 {
 	size_t i;

core/logic/PhraseCollection.h

@@ -49,6 +49,7 @@ public:
 	unsigned int GetFileCount();
 	IPhraseFile *GetFile(unsigned int file);
 	void Destroy();
+	bool TranslationPhraseExists(const char *key);
 	TransError FindTranslation(const char *key, unsigned int langid, Translation *pTrans);
 	bool FormatString(
 		char *buffer,

core/logic/Translator.cpp

@@ -672,6 +672,12 @@ TransError CPhraseFile::GetTranslation(const char *szPhrase, unsigned int lang_i
 	return Trans_Okay;
 }
 
+bool CPhraseFile::TranslationPhraseExists(const char *phrase)
+{
+	int address;
+	return m_PhraseLookup.retrieve(phrase, &address);
+}
+
 const char *CPhraseFile::GetFilename()
 {
 	return m_File.c_str();

core/logic/Translator.h

@@ -71,6 +71,7 @@ public:
 	void ReparseFile();
 	const char *GetFilename();
 	TransError GetTranslation(const char *szPhrase, unsigned int lang_id, Translation *pTrans);
+	bool TranslationPhraseExists(const char *phrase);
 public: //ITextListener_SMC
 	void ReadSMC_ParseStart();
 	SMCResult ReadSMC_NewSection(const SMCStates *states, const char *name);

core/logic/smn_lang.cpp

@@ -36,6 +36,31 @@
 #include <ISourceMod.h>
 #include <am-string.h>
 
+static cell_t sm_TranslationPhraseExists(IPluginContext *pCtx, const cell_t *params)
+{
+	IPlugin *pl = pluginsys->FindPluginByContext(pCtx->GetContext());
+	IPhraseCollection *collection = pl->GetPhrases();
+	
+	char *phrase;
+	pCtx->LocalToString(params[1], &phrase);
+
+	return collection->TranslationPhraseExists(phrase);
+}
+
+static cell_t sm_IsTranslatedForLanguage(IPluginContext *pCtx, const cell_t *params)
+{
+	IPlugin *pl = pluginsys->FindPluginByContext(pCtx->GetContext());
+	IPhraseCollection *collection = pl->GetPhrases();
+	
+	char *phrase;
+	pCtx->LocalToString(params[1], &phrase);
+	
+	int langid = params[2];
+
+	Translation trans;
+	return (collection->FindTranslation(phrase, langid, &trans) == Trans_Okay);
+}
+
 static cell_t sm_LoadTranslations(IPluginContext *pCtx, const cell_t *params)
 {
 	char *filename, *ext;
@@ -147,6 +172,8 @@ static cell_t sm_GetLanguageByName(IPluginContext *pContext, const cell_t *param
 
 REGISTER_NATIVES(langNatives)
 {
+	{"IsTranslatedForLanguage",		sm_IsTranslatedForLanguage},
+	{"TranslationPhraseExists",		sm_TranslationPhraseExists},
 	{"LoadTranslations",			sm_LoadTranslations},
 	{"SetGlobalTransTarget",		sm_SetGlobalTransTarget},
 	{"GetClientLanguage",			sm_GetClientLanguage},