From 6d2f65c97fd4cd23efd3e6e5e0087bf167744d89 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 22 May 2016 07:57:36 -0400
Subject: TITANIC: New TTconcept constructor and copy methods

---
 engines/titanic/true_talk/script_handler.cpp |  5 +++++
 engines/titanic/true_talk/script_handler.h   |  5 ++++-
 engines/titanic/true_talk/tt_concept.cpp     | 32 ++++++++++++++++++++++++----
 engines/titanic/true_talk/tt_concept.h       |  8 ++++---
 engines/titanic/true_talk/tt_parser.cpp      |  7 ++++++
 engines/titanic/true_talk/tt_parser.h        |  6 ++++++
 engines/titanic/true_talk/tt_word.cpp        | 17 +++++++++++++++
 engines/titanic/true_talk/tt_word.h          | 10 +++++++++
 8 files changed, 82 insertions(+), 8 deletions(-)

(limited to 'engines')

diff --git a/engines/titanic/true_talk/script_handler.cpp b/engines/titanic/true_talk/script_handler.cpp
index 0bc50bd5f9..a5f00868bc 100644
--- a/engines/titanic/true_talk/script_handler.cpp
+++ b/engines/titanic/true_talk/script_handler.cpp
@@ -22,6 +22,7 @@
 
 #include "titanic/true_talk/script_handler.h"
 #include "titanic/true_talk/tt_sentence.h"
+#include "titanic/true_talk/tt_parser.h"
 #include "titanic/titanic.h"
 
 namespace Titanic {
@@ -91,4 +92,8 @@ SimpleFile *CScriptHandler::openResource(const CString &name) {
 	return _owner->open(name);
 }
 
+void CScriptHandler::setParserConcept(TTconcept *newConcept, TTconcept *oldConcept) {
+	_parser.conceptChanged(newConcept, oldConcept);
+}
+
 } // End of namespace Titanic
diff --git a/engines/titanic/true_talk/script_handler.h b/engines/titanic/true_talk/script_handler.h
index cf5eac1642..0183612210 100644
--- a/engines/titanic/true_talk/script_handler.h
+++ b/engines/titanic/true_talk/script_handler.h
@@ -81,7 +81,10 @@ public:
 	 */
 	SimpleFile *openResource(const CString &name);
 
-
+	/**
+	 * Called when concept data is copied from one to another
+	 */
+	void setParserConcept(TTconcept *newConcept, TTconcept *oldConcept);
 };
 
 } // End of namespace Titanic
diff --git a/engines/titanic/true_talk/tt_concept.cpp b/engines/titanic/true_talk/tt_concept.cpp
index a9794cabe7..cab67c9621 100644
--- a/engines/titanic/true_talk/tt_concept.cpp
+++ b/engines/titanic/true_talk/tt_concept.cpp
@@ -23,6 +23,7 @@
 #include "titanic/true_talk/tt_concept.h"
 #include "titanic/true_talk/tt_script_base.h"
 #include "titanic/true_talk/tt_word.h"
+#include "titanic/titanic.h"
 
 namespace Titanic {
 
@@ -58,7 +59,7 @@ TTconcept::TTconcept(TTword *word, ScriptType scriptType) :
 		reset();
 }
 
-TTconcept::TTconcept(const TTconcept &src) :
+TTconcept::TTconcept(TTconcept &src) :
 		_string1(src._string1), _string2(src._string2),
 		_wordP(nullptr), _scriptP(nullptr) {
 
@@ -96,7 +97,7 @@ void TTconcept::setScriptType(ScriptType scriptType) {
 	_scriptType = scriptType;
 	_field1C = -1;
 	_field20 = 0;
-	_field2C = 0;
+	_word2 = nullptr;
 	_field30 = 0;
 	_field34 = 0;
 	_field38 = 0;
@@ -124,8 +125,31 @@ bool TTconcept::compareTo(const char *str) const {
 		_wordP->compareTo(str);
 }
 
-void TTconcept::copyFrom(const TTconcept &src) {
-	// TODO
+void TTconcept::copyFrom(TTconcept &src) {
+	_nextP = src._nextP;
+	_field14 = src._field14;
+	_scriptType = src._scriptType;
+	_field1C = src._field1C;
+	_field20 = src._field20;
+
+	if (src._word2) {
+		_word2 = src._word2->copyWords();
+		if (src._word2->getChainStatus())
+			_status = 11;
+	} else {
+		_word2 = nullptr;
+	}
+
+	_field30 = src._field30;
+	_field34 = src._field34;
+	
+	if (src._field38 == 1) {
+		g_vm->_exeResources._owner->setParserConcept(this, &src);
+		src.set38(1);
+		_field38 = 1;
+	}
+
+	_status = src._status;
 }
 
 } // End of namespace Titanic
diff --git a/engines/titanic/true_talk/tt_concept.h b/engines/titanic/true_talk/tt_concept.h
index 8006e56240..ba48e70369 100644
--- a/engines/titanic/true_talk/tt_concept.h
+++ b/engines/titanic/true_talk/tt_concept.h
@@ -42,7 +42,7 @@ private:
 	int _field1C;
 	int _field20;
 	TTstring _string2;
-	int _field2C;
+	TTword *_word2;
 	int _field30;
 	int _field34;
 	int _field38;
@@ -71,14 +71,14 @@ private:
 	/**
 	 * Copy auxiliary data from the specified source concept
 	 */
-	void copyFrom(const TTconcept &src);
+	void copyFrom(TTconcept &src);
 public:
 	TTconcept *_nextP;
 public:
 	TTconcept();
 	TTconcept(TTscriptBase *script, ScriptType scriptType);
 	TTconcept(TTword *word, ScriptType scriptType);
-	TTconcept(const TTconcept &src);
+	TTconcept(TTconcept &src);
 
 	/**
 	 * Compares the name of the associated word, if any,
@@ -90,6 +90,8 @@ public:
 	 * Return the status of the concept
 	 */
 	int getStatus() const { return _status; }
+
+	void set38(int val) { _field38 = val; }
 };
 
 } // End of namespace Titanic
diff --git a/engines/titanic/true_talk/tt_parser.cpp b/engines/titanic/true_talk/tt_parser.cpp
index 3a49e291d0..76c979a2a7 100644
--- a/engines/titanic/true_talk/tt_parser.cpp
+++ b/engines/titanic/true_talk/tt_parser.cpp
@@ -895,4 +895,11 @@ int TTparser::checkReferent(TTpronoun *pronoun) {
 	return 0;
 }
 
+void TTparser::conceptChanged(TTconcept *newConcept, TTconcept *oldConcept) {
+	if (!oldConcept && newConcept != _currentConceptP)
+		_currentConceptP = nullptr;
+	else if (oldConcept && oldConcept == _currentConceptP)
+		_currentConceptP = newConcept;
+}
+
 } // End of namespace Titanic
diff --git a/engines/titanic/true_talk/tt_parser.h b/engines/titanic/true_talk/tt_parser.h
index b73dd7655d..84fa1aaa20 100644
--- a/engines/titanic/true_talk/tt_parser.h
+++ b/engines/titanic/true_talk/tt_parser.h
@@ -73,6 +73,7 @@ private:
 	NumberArray _numbers;
 	TTparserNode *_nodesP;
 	TTconcept *_conceptP;
+	TTconcept *_currentConceptP;
 private:
 	/**
 	 * Loads the various replacement string data arrays
@@ -173,6 +174,11 @@ public:
 	int preprocess(TTsentence *sentence);
 
 	int findFrames(TTsentence *sentence);
+
+	/**
+	 * Called when a concept is copied from one to another
+	 */
+	void conceptChanged(TTconcept *newConcept, TTconcept *oldConcept);
 };
 
 } // End of namespace Titanic
diff --git a/engines/titanic/true_talk/tt_word.cpp b/engines/titanic/true_talk/tt_word.cpp
index 24221e12da..c2ce2c1ef4 100644
--- a/engines/titanic/true_talk/tt_word.cpp
+++ b/engines/titanic/true_talk/tt_word.cpp
@@ -210,4 +210,21 @@ void TTword::setSynFile(FileHandle file) {
 		_synP->_file = file;
 }
 
+TTstringStatus TTword::getChainStatus() const {
+	for (const TTword *word = this; word; word = word->_nextP) {
+		if (word->getStatus())
+			return word->getStatus();
+	}
+
+	return SS_VALID;
+}
+
+TTword *TTword::copyWords() {
+	TTword *result = copy();
+	for (TTword *word = result; word; word = word->_nextP)
+		word->_nextP = word->_nextP->copy();
+
+	return result;
+}
+
 } // End of namespace Titanic
diff --git a/engines/titanic/true_talk/tt_word.h b/engines/titanic/true_talk/tt_word.h
index f7550b4c0a..5fa4953be7 100644
--- a/engines/titanic/true_talk/tt_word.h
+++ b/engines/titanic/true_talk/tt_word.h
@@ -124,6 +124,16 @@ public:
 	 */
 	TTstringStatus getStatus() const { return _status; }
 
+	/**
+	 * Return the status of the entire word chain
+	 */
+	TTstringStatus getChainStatus() const;
+
+	/**
+	 * Copy the word and any attached to it
+	 */
+	TTword *copyWords();
+
 	/**
 	 * Creates a copy of the word
 	 */
-- 
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