SHERLOCK: Implement the rest of the NPC path opcodes for Rose Tattoo

This includes cmdNPCLabelGoto, cmdNPCLabelIfFlagGoto, cmdNPCLabelSet,
cmdSetNPCPathDest, cmdSetNPCPathPause, cmdSetNPCPathPauseTakingNotes,
cmdSetNPCPathPauseLookingHolmes and cmdSetNPCTalkFile

3 files changed, 159 insertions, 9 deletions

diff --git a/engines/sherlock/people.cpp b/engines/sherlock/people.cpp
index 18621badb2..e4892b787a 100644
--- a/engines/sherlock/people.cpp
+++ b/engines/sherlock/people.cpp
@@ -72,9 +72,10 @@ const char *const WALK_LIB_NAMES[NUM_IN_WALK_LIB] = {
 Person::Person() : Sprite(), _walkLoaded(false), _npcIndex(0), _npcStack(0), _npcPause(false)  {
 	Common::fill(&_npcPath[0], &_npcPath[MAX_NPC_PATH], 0);
 	_tempX = _tempScaleVal = 0;
-	_updateNPCPath = false;
 	_npcIndex = 0;
 	_npcStack = 0;
+	_npcMoved = false;
+	_resetNPCPath = true;
 	_savedNpcSequence = 0;
 	_savedNpcFrame = 0;
 	_updateNPCPath = false;
diff --git a/engines/sherlock/people.h b/engines/sherlock/people.h
index c15248cc02..cd790ead5c 100644
--- a/engines/sherlock/people.h
+++ b/engines/sherlock/people.h
@@ -69,6 +69,8 @@ public:
 	bool _npcPause;
 	byte _npcPath[MAX_NPC_PATH];
 	Common::String _npcName;
+	bool _npcMoved;
+	bool _resetNPCPath;
 	int _savedNpcSequence;
 	int _savedNpcFrame;
 	int _tempX;
diff --git a/engines/sherlock/tattoo/tattoo_talk.cpp b/engines/sherlock/tattoo/tattoo_talk.cpp
index 148a10ae0a..4516dcd488 100644
--- a/engines/sherlock/tattoo/tattoo_talk.cpp
+++ b/engines/sherlock/tattoo/tattoo_talk.cpp
@@ -287,9 +287,62 @@ OpcodeReturn TattooTalk::cmdNextSong(const byte *&str) {
 	return RET_SUCCESS;
 }
 
-OpcodeReturn TattooTalk::cmdNPCLabelGoto(const byte *&str) { error("TODO: script opcode"); }
-OpcodeReturn TattooTalk::cmdNPCLabelIfFlagGoto(const byte *&str) { error("TODO: script opcode"); }
-OpcodeReturn TattooTalk::cmdNPCLabelSet(const byte *&str) { error("TODO: script opcode"); }
+OpcodeReturn TattooTalk::cmdNPCLabelGoto(const byte *&str) {
+	int npcNum = *++str;
+	People &people = *_vm->_people;
+	Person &person = people[npcNum];
+	
+	if (person._resetNPCPath) {
+		person._npcIndex = person._resetNPCPath = person._npcPause = 0;
+		memset(person._npcPath, 0, 100);
+	}
+
+	person._npcPath[person._npcIndex] = 8;
+	person._npcPath[person._npcIndex + 1] = str[1];
+	person._npcIndex += 2;
+	str++;
+
+	return RET_SUCCESS;
+}
+
+OpcodeReturn TattooTalk::cmdNPCLabelIfFlagGoto(const byte *&str) {
+	int npcNum = *++str;
+	People &people = *_vm->_people;
+	Person &person = people[npcNum];
+	
+	if (person._resetNPCPath) {
+		person._npcIndex = person._resetNPCPath = person._npcPause = 0;
+		memset(person._npcPath, 0, 100);
+	}
+
+	person._npcPath[person._npcIndex] = 9;
+	for (int i = 1; i <= 3; i++)
+		person._npcPath[person._npcIndex + i] = str[i];
+
+	person._npcIndex += 4;
+	str += 3;
+
+	return RET_SUCCESS;
+}
+
+OpcodeReturn TattooTalk::cmdNPCLabelSet(const byte *&str) {
+	int npcNum = *++str;
+	People &people = *_vm->_people;
+	Person &person = people[npcNum];
+	
+	if (person._resetNPCPath) {
+		person._npcIndex = person._resetNPCPath = person._npcPause = 0;
+		memset(person._npcPath, 0, 100);
+	}
+
+	person._npcPath[person._npcIndex] = 7;
+	person._npcPath[person._npcIndex + 1] = str[1];
+	person._npcIndex += 2;
+	str++;
+
+	return RET_SUCCESS;
+}
+
 OpcodeReturn TattooTalk::cmdPassword(const byte *&str) { error("TODO: script opcode"); }
 OpcodeReturn TattooTalk::cmdPlaySong(const byte *&str) { error("TODO: script opcode"); }
 OpcodeReturn TattooTalk::cmdRestorePeopleSequence(const byte *&str) { error("TODO: script opcode"); }
@@ -345,10 +398,86 @@ OpcodeReturn TattooTalk::cmdSetNPCOn(const byte *&str) {
 	return RET_SUCCESS;
 }
 
-OpcodeReturn TattooTalk::cmdSetNPCPathDest(const byte *&str) { error("TODO: script opcode"); }
-OpcodeReturn TattooTalk::cmdSetNPCPathPause(const byte *&str) { error("TODO: script opcode"); }
-OpcodeReturn TattooTalk::cmdSetNPCPathPauseTakingNotes(const byte *&str) { error("TODO: script opcode"); }
-OpcodeReturn TattooTalk::cmdSetNPCPathPauseLookingHolmes(const byte *&str) { error("TODO: script opcode"); }
+OpcodeReturn TattooTalk::cmdSetNPCPathDest(const byte *&str) {
+	int npcNum = *++str;
+	People &people = *_vm->_people;
+	Person &person = people[npcNum];
+	
+	if (person._resetNPCPath) {
+		person._npcIndex = person._resetNPCPath = person._npcPause = 0;
+		memset(person._npcPath, 0, 100);
+	}
+
+	person._npcPath[person._npcIndex] = 1;
+	for (int i = 1; i <= 4; i++)
+		person._npcPath[person._npcIndex + i] = str[i];
+	person._npcPath[person._npcIndex + 5] = DIRECTION_CONVERSION[str[5] - 1] + 1;
+
+	person._npcIndex += 6;
+	str += 5;
+
+	return RET_SUCCESS;
+}
+
+OpcodeReturn TattooTalk::cmdSetNPCPathPause(const byte *&str) {
+	int npcNum = *++str;
+	People &people = *_vm->_people;
+	Person &person = people[npcNum];
+	
+	if (person._resetNPCPath) {
+		person._npcIndex = person._resetNPCPath = person._npcPause = 0;
+		memset(person._npcPath, 0, 100);
+	}
+
+	person._npcPath[person._npcIndex] = 2;
+	for (int i = 1; i <= 2; i++)
+		person._npcPath[person._npcIndex + i] = str[i];
+
+	person._npcIndex += 3;
+	str += 2;
+
+	return RET_SUCCESS;
+}
+
+OpcodeReturn TattooTalk::cmdSetNPCPathPauseTakingNotes(const byte *&str) {
+	int npcNum = *++str;
+	People &people = *_vm->_people;
+	Person &person = people[npcNum];
+	
+	if (person._resetNPCPath) {
+		person._npcIndex = person._resetNPCPath = person._npcPause = 0;
+		memset(person._npcPath, 0, 100);
+	}
+
+	person._npcPath[person._npcIndex] = 5;
+	for (int i = 1; i <= 2; i++)
+		person._npcPath[person._npcIndex + i] = str[i];
+
+	person._npcIndex += 3;
+	str += 2;
+
+	return RET_SUCCESS;
+}
+
+OpcodeReturn TattooTalk::cmdSetNPCPathPauseLookingHolmes(const byte *&str) {
+	int npcNum = *++str;
+	People &people = *_vm->_people;
+	Person &person = people[npcNum];
+	
+	if (person._resetNPCPath) {
+		person._npcIndex = person._resetNPCPath = person._npcPause = 0;
+		memset(person._npcPath, 0, 100);
+	}
+
+	person._npcPath[person._npcIndex] = 6;
+	for (int i = 1; i <= 2; i++)
+		person._npcPath[person._npcIndex + i] = str[i];
+
+	person._npcIndex += 3;
+	str += 2;
+
+	return RET_SUCCESS;
+}
 
 OpcodeReturn TattooTalk::cmdSetNPCPosition(const byte *&str) {
 	int npcNum = *++str - 1;
@@ -392,7 +521,25 @@ OpcodeReturn TattooTalk::cmdSetNPCPosition(const byte *&str) {
 	return RET_SUCCESS;
 }
 
-OpcodeReturn TattooTalk::cmdSetNPCTalkFile(const byte *&str) { error("TODO: script opcode"); }
+OpcodeReturn TattooTalk::cmdSetNPCTalkFile(const byte *&str) {
+	int npcNum = *++str;
+	People &people = *_vm->_people;
+	Person &person = people[npcNum];
+	
+	if (person._resetNPCPath) {
+		person._npcIndex = person._resetNPCPath = person._npcPause = 0;
+		memset(person._npcPath, 0, 100);
+	}
+
+	person._npcPath[person._npcIndex] = 3;
+	for (int i = 1; i <= 8; i++)
+		person._npcPath[person._npcIndex + i] = str[i];
+
+	person._npcIndex += 9;
+	str += 8;
+
+	return RET_SUCCESS;
+}
 
 OpcodeReturn TattooTalk::cmdSetNPCVerb(const byte *&str) {
 	int npcNum = *++str;