From 3dac0c66462fa50e577d29e504d99fdb0a796866 Mon Sep 17 00:00:00 2001
From: Paul Gilbert <dreammaster@scummvm.org>
Date: Wed, 3 Jun 2015 18:42:32 -0400
Subject: [PATCH] SHERLOCK: Implement changes for checkObject

---
 engines/sherlock/objects.cpp | 32 ++++++++++++++++++++++++++++++--
 engines/sherlock/objects.h   | 18 ++++++++++++++++++
 2 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/engines/sherlock/objects.cpp b/engines/sherlock/objects.cpp
index 4527c4e92ab6..124e7c5c1cbb 100644
--- a/engines/sherlock/objects.cpp
+++ b/engines/sherlock/objects.cpp
@@ -648,9 +648,18 @@ void Object::checkObject() {
 			codeFound = true;
 			int v = _sequences[_frameNumber];
 
-			if (v >= 228) {
+			// Check for a Talk or Listen Sequence
+			if (IS_ROSE_TATTOO && v == ALLOW_TALK_CODE) {
+				if (_gotoSeq) {
+					setObjTalkSequence(_gotoSeq);
+				} else {
+					++_frameNumber;
+				}
+			} else if (IS_ROSE_TATTOO && (v == TALK_SEQ_CODE || v == TALK_LISTEN_CODE)) {
+				error("TODO");
+			} else  if (v >= GOTO_CODE) {
 				// Goto code found
-				v -= 228;
+				v -= GOTO_CODE;
 				_seqCounter2 = _seqCounter;
 				_seqStack = _frameNumber + 1;
 				setObjSequence(v, false);
@@ -686,6 +695,12 @@ void Object::checkObject() {
 				default:
 					break;
 				}
+			} else if (IS_ROSE_TATTOO && v == TELEPORT_CODE) {
+				error("TODO");
+			} else if (IS_ROSE_TATTOO && v == CALL_TALK_CODE) {
+				error("TODO");
+			} else if (IS_ROSE_TATTOO && v == HIDE_CODE) {
+				error("TODO");
 			} else {
 				v -= 128;
 
@@ -708,6 +723,14 @@ void Object::checkObject() {
 					// Will be incremented below to return back to original value
 					--_frameNumber;
 					v = 0;
+
+				} else if (IS_ROSE_TATTOO && v == 10) {
+					// Set delta for objects
+					_delta = Common::Point(READ_LE_UINT16(&_sequences[_frameNumber + 1]), 
+						READ_LE_UINT16(&_sequences[_frameNumber + 3]));
+					_noShapeSize = Common::Point(0, 0);
+					_frameNumber += 4;
+
 				} else if (v == 10) {
 					// Set delta for objects
 					Common::Point pt(_sequences[_frameNumber + 1], _sequences[_frameNumber + 2]);
@@ -723,6 +746,7 @@ void Object::checkObject() {
 
 					_delta = pt;
 					_frameNumber += 2;
+
 				} else if (v < USE_COUNT) {
 					for (int idx = 0; idx < NAMES_COUNT; ++idx) {
 						checkNameForCodes(_use[v]._names[idx], nullptr);
@@ -863,6 +887,10 @@ void Object::setObjSequence(int seq, bool wait) {
 	}
 }
 
+void Object::setObjTalkSequence(int seq) {
+	error("TODO: setObjTalkSequence");
+}
+
 int Object::checkNameForCodes(const Common::String &name, const char *const messages[]) {
 	Map &map = *_vm->_map;
 	People &people = *_vm->_people;
diff --git a/engines/sherlock/objects.h b/engines/sherlock/objects.h
index e7b26d12c1c9..936adc57d0e9 100644
--- a/engines/sherlock/objects.h
+++ b/engines/sherlock/objects.h
@@ -82,6 +82,15 @@ enum {
 #define SEQ_TO_CODE 67
 #define FLIP_CODE (64 + 128)
 #define SOUND_CODE (34 + 128)
+#define HIDE_CODE (7+128)		// Code for hiding/unhiding an object from a Sequence
+#define CALL_TALK_CODE (8+128)	// Code for call a Talk File from a Sequence
+#define TELEPORT_CODE (9+128)	// Code for setting Teleport Data (X,Y)
+#define MOVE_CODE (10+128)		// Code for setting Movement Delta (X,Y)
+
+#define GOTO_CODE 228
+#define TALK_SEQ_CODE 252		// Code specifying start of talk sequence frames in a Sequence
+#define TALK_LISTEN_CODE 251	// Code specifying start of talk listen frames in a Sequence
+#define ALLOW_TALK_CODE 250 
 
 class Point32 {
 public:
@@ -268,6 +277,15 @@ class Object {
 	 * It then sets the frame number of the start of that sequence
 	 */
 	void setObjSequence(int seq, bool wait);
+
+	/**
+	 * Adjusts the frame and sequence variables of a sprite that corresponds to the current speaker
+	 * so that it points to the beginning of the sequence number's talk sequence in the object's
+	 * sequence buffer
+	 * @param seq	Which sequence to use (if there's more than 1)
+	 * @remarks		1: First talk seq, 2: second talk seq, etc.
+	 */
+	void setObjTalkSequence(int seq);
 public:
 	static bool _countCAnimFrames;