From 886b71048470986102ce2edf7baffc637134ac49 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sat, 21 May 2016 16:23:52 -0400
Subject: TITANIC: Implemented TTparser checkReferent

---
 engines/titanic/true_talk/script_handler.h |  2 +-
 engines/titanic/true_talk/tt_concept.cpp   | 23 +++++++++++++++++++-
 engines/titanic/true_talk/tt_concept.h     | 10 +++++++--
 engines/titanic/true_talk/tt_parser.cpp    | 35 ++++++++++++++++++++++++++++--
 engines/titanic/true_talk/tt_parser.h      |  6 +++++
 engines/titanic/true_talk/tt_pronoun.h     |  2 ++
 engines/titanic/true_talk/tt_sentence.h    |  4 ++--
 7 files changed, 74 insertions(+), 8 deletions(-)

(limited to 'engines/titanic/true_talk')

diff --git a/engines/titanic/true_talk/script_handler.h b/engines/titanic/true_talk/script_handler.h
index 891a40f527..cf5eac1642 100644
--- a/engines/titanic/true_talk/script_handler.h
+++ b/engines/titanic/true_talk/script_handler.h
@@ -50,7 +50,6 @@ public:
 class CScriptHandler {
 private:
 	CTitleEngine *_owner;
-	TTscriptBase *_script;
 	CExeResources &_resources;
 	int _field10;
 	CScriptHandlerSub1 _sub1;
@@ -63,6 +62,7 @@ private:
 	int _field30;
 public:
 	TTvocab *_vocab;
+	TTscriptBase *_script;
 public:
 	CScriptHandler(CTitleEngine *owner, int val1, int val2);
 	~CScriptHandler();
diff --git a/engines/titanic/true_talk/tt_concept.cpp b/engines/titanic/true_talk/tt_concept.cpp
index af0a148ce4..bc2da4c936 100644
--- a/engines/titanic/true_talk/tt_concept.cpp
+++ b/engines/titanic/true_talk/tt_concept.cpp
@@ -43,6 +43,21 @@ TTconcept::TTconcept(TTscriptBase *script, ScriptType scriptType) :
 		reset();
 }
 
+TTconcept::TTconcept(TTword *word, ScriptType scriptType) :
+	_string1(" "), _string2(" "), _wordP(nullptr), _scriptP(nullptr) {
+	
+	if (!word || !setStatus() || word->getStatus()) {
+		_status = SS_5;
+	} else {
+		_status = initializeWordRef(word);
+		if (!_status)
+			setScriptType(scriptType);
+	}
+
+	if (_status)
+		reset();
+}
+
 bool TTconcept::setStatus() {
 	if (_string1.isValid() && _string2.isValid()) {
 		_status = SS_VALID;
@@ -54,7 +69,7 @@ bool TTconcept::setStatus() {
 }
 
 void TTconcept::setScriptType(ScriptType scriptType) {
-	_field0 = 0;
+	_nextP = nullptr;
 	_field14 = 0;
 	_scriptType = scriptType;
 	_field1C = -1;
@@ -66,6 +81,12 @@ void TTconcept::setScriptType(ScriptType scriptType) {
 	_status = 0;
 }
 
+int TTconcept::initializeWordRef(TTword *word) {
+	delete _wordP;
+	_wordP = word;
+	return 0;
+}
+
 void TTconcept::reset() {
 	delete _wordP;
 	_wordP = nullptr;
diff --git a/engines/titanic/true_talk/tt_concept.h b/engines/titanic/true_talk/tt_concept.h
index 08b748e8c7..787013e6c3 100644
--- a/engines/titanic/true_talk/tt_concept.h
+++ b/engines/titanic/true_talk/tt_concept.h
@@ -34,7 +34,6 @@ class TTword;
 
 class TTconcept {
 private:
-	int _field0;
 	TTscriptBase *_scriptP;
 	TTword *_wordP;
 	TTstring _string1;
@@ -59,14 +58,21 @@ private:
 	 */
 	void setScriptType(ScriptType scriptType);
 
+	/**
+	 * Sets up the concept for a word reference
+	 */
+	int initializeWordRef(TTword *word);
+
 	/**
 	 * Resets the concept
 	 */
 	void reset();
+public:
+	TTconcept *_nextP;
 public:
 	TTconcept();
 	TTconcept(TTscriptBase *script, ScriptType scriptType);
-
+	TTconcept(TTword *word, ScriptType scriptType);
 };
 
 } // End of namespace Titanic
diff --git a/engines/titanic/true_talk/tt_parser.cpp b/engines/titanic/true_talk/tt_parser.cpp
index b81d3cc3bc..9bc129b807 100644
--- a/engines/titanic/true_talk/tt_parser.cpp
+++ b/engines/titanic/true_talk/tt_parser.cpp
@@ -23,6 +23,7 @@
 #include "titanic/true_talk/tt_parser.h"
 #include "titanic/true_talk/script_handler.h"
 #include "titanic/true_talk/tt_action.h"
+#include "titanic/true_talk/tt_concept.h"
 #include "titanic/true_talk/tt_sentence.h"
 #include "titanic/true_talk/tt_word.h"
 #include "titanic/titanic.h"
@@ -31,7 +32,7 @@ namespace Titanic {
 
 TTparser::TTparser(CScriptHandler *owner) : _owner(owner), _sentenceSub(nullptr),
 		_sentence(nullptr), _fieldC(0), _field10(0), _field14(0), _field18(0),
-		_nodesP(nullptr) {
+		_nodesP(nullptr), _conceptP(nullptr) {
 	loadArrays();
 }
 
@@ -646,6 +647,17 @@ void TTparser::addNode(uint tag) {
 	_nodesP = newNode;
 }
 
+int TTparser::addConcept(TTconcept *concept) {
+	if (!concept)
+		return SS_5;
+
+	if (_conceptP)
+		concept->_nextP = _conceptP;
+	_conceptP = concept;
+
+	return SS_VALID;
+}
+
 int TTparser::fn2(TTword *word) {
 	switch (word->_id) {
 	case 600:
@@ -670,7 +682,26 @@ int TTparser::fn2(TTword *word) {
 }
 
 int TTparser::checkReferent(TTpronoun *pronoun) {
-	// TODO
+	TTconcept *concept;
+
+	switch (pronoun->getVal()) {
+	case 0:
+		return 0;
+
+	case 1:
+		concept = new TTconcept(_owner->_script, ST_ROOM_SCRIPT);
+		break;
+
+	case 2:
+		concept = new TTconcept(_sentence->_npcScript, ST_NPC_SCRIPT);
+		break;
+
+	default:
+		concept = new TTconcept(pronoun, (ScriptType)pronoun->getVal());
+		break;
+	}
+
+	addConcept(concept);
 	return 0;
 }
 
diff --git a/engines/titanic/true_talk/tt_parser.h b/engines/titanic/true_talk/tt_parser.h
index 07af2dd59c..7ad87cc138 100644
--- a/engines/titanic/true_talk/tt_parser.h
+++ b/engines/titanic/true_talk/tt_parser.h
@@ -33,6 +33,7 @@ namespace Titanic {
 enum NumberFlag { NF_1 = 1, NF_2 = 2, NF_4 = 4, NF_8 = 8, NF_10 = 0x10 };
 
 class CScriptHandler;
+class TTconcept;
 
 struct NumberEntry {
 	CString _text;
@@ -61,6 +62,7 @@ private:
 	StringArray _phrases;
 	NumberArray _numbers;
 	TTparserNode *_nodesP;
+	TTconcept *_conceptP;
 private:
 	/**
 	 * Loads the various replacement string data arrays
@@ -134,6 +136,10 @@ private:
 	 */
 	void addNode(uint tag);
 
+	/**
+	 * Add a concept node
+	 */
+	int addConcept(TTconcept *concept);
 public:
 	CScriptHandler *_owner;
 	TTsentenceSub *_sentenceSub;
diff --git a/engines/titanic/true_talk/tt_pronoun.h b/engines/titanic/true_talk/tt_pronoun.h
index 5aa3e1e8fe..bd80852a8f 100644
--- a/engines/titanic/true_talk/tt_pronoun.h
+++ b/engines/titanic/true_talk/tt_pronoun.h
@@ -41,6 +41,8 @@ public:
 	 */
 	int load(SimpleFile *file);
 
+	int getVal() const { return _field30; }
+
 	/**
 	 * Creates a copy of the word
 	 */
diff --git a/engines/titanic/true_talk/tt_sentence.h b/engines/titanic/true_talk/tt_sentence.h
index 902ad102ce..a75742181b 100644
--- a/engines/titanic/true_talk/tt_sentence.h
+++ b/engines/titanic/true_talk/tt_sentence.h
@@ -76,8 +76,6 @@ private:
 	int _field34;
 	int _field38;
 	TTsentenceNode *_nodesP;
-	TTroomScript *_roomScript;
-	TTnpcScript *_npcScript;
 	int _field5C;
 	int _status;
 private:
@@ -90,6 +88,8 @@ public:
 	TTstring _initialLine;
 	TTstring _normalizedLine;
 	int _field58;
+	TTroomScript *_roomScript;
+	TTnpcScript *_npcScript;
 public:
 	TTsentence(int inputCtr, const TTstring &line, CScriptHandler *owner,
 		TTroomScript *roomScript, TTnpcScript *npcScript);
-- 
cgit v1.2.3