ILLUSIONS: DUCKMAN: Implement special opcodes 16001D, 16001E, 16001F and related code

4 files changed, 52 insertions, 9 deletions

diff --git a/engines/illusions/duckman/duckman_specialcode.cpp b/engines/illusions/duckman/duckman_specialcode.cpp
index d0d8a5c798..4cb20fc4b0 100644
--- a/engines/illusions/duckman/duckman_specialcode.cpp
+++ b/engines/illusions/duckman/duckman_specialcode.cpp
@@ -3,7 +3,7 @@
  * ScummVM is the legal property of its developers, whose names
  * are too numerous to list here. Please refer to the COPYRIGHT
  * file distributed with this source distribution.
- *
+ *                                                                                                                                  
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
@@ -66,6 +66,9 @@ void DuckmanSpecialCode::init() {
 	SPECIAL(0x00160010, spcCenterNewspaper);
 	SPECIAL(0x00160014, spcUpdateObject272Sequence);
 	SPECIAL(0x0016001C, spcSetCursorInventoryMode);
+	SPECIAL(0x0016001D, spcCenterCurrentScreenText);
+	SPECIAL(0x0016001E, spcSetDefaultTextCoords);
+	SPECIAL(0x0016001F, spcSetTextDuration);
 }
 
 #undef SPECIAL
@@ -157,13 +160,6 @@ void DuckmanSpecialCode::spcCenterNewspaper(OpCall &opCall) {
 	_vm->notifyThreadId(opCall._threadId);
 }
 
-void DuckmanSpecialCode::spcSetCursorInventoryMode(OpCall &opCall) {
-	ARG_BYTE(mode);
-	ARG_BYTE(value);
-	_vm->setCursorInventoryMode(mode, value);
-	_vm->notifyThreadId(opCall._threadId);
-}
-
 void DuckmanSpecialCode::spcUpdateObject272Sequence(OpCall &opCall) {
 	byte flags = 0;
 	uint32 sequenceId;
@@ -206,4 +202,31 @@ void DuckmanSpecialCode::spcUpdateObject272Sequence(OpCall &opCall) {
 	control->startSequenceActor(sequenceId, 2, opCall._threadId);
 }
 
+void DuckmanSpecialCode::spcSetCursorInventoryMode(OpCall &opCall) {
+	ARG_BYTE(mode);
+	ARG_BYTE(value);
+	_vm->setCursorInventoryMode(mode, value);
+	_vm->notifyThreadId(opCall._threadId);
+}
+
+void DuckmanSpecialCode::spcCenterCurrentScreenText(OpCall &opCall) {
+	WidthHeight dimensions;
+	_vm->getDefaultTextDimensions(dimensions);
+	Common::Point pt(160, dimensions._height / 2 + 8);
+	_vm->setDefaultTextPosition(pt);
+	_vm->notifyThreadId(opCall._threadId);
+}
+
+void DuckmanSpecialCode::spcSetDefaultTextCoords(OpCall &opCall) {
+	_vm->setDefaultTextCoords();
+	_vm->notifyThreadId(opCall._threadId);
+}
+
+void DuckmanSpecialCode::spcSetTextDuration(OpCall &opCall) {
+	ARG_INT16(kind);
+	ARG_INT16(duration);
+	_vm->setTextDuration(kind, duration);
+	_vm->notifyThreadId(opCall._threadId);
+}
+
 } // End of namespace Illusions
diff --git a/engines/illusions/duckman/duckman_specialcode.h b/engines/illusions/duckman/duckman_specialcode.h
index 53012d68cd..c4dfc3698c 100644
--- a/engines/illusions/duckman/duckman_specialcode.h
+++ b/engines/illusions/duckman/duckman_specialcode.h
@@ -67,8 +67,11 @@ public:
 	void spcSetPropertyTimer(OpCall &opCall);
 	void spcRemovePropertyTimer(OpCall &opCall);
 	void spcCenterNewspaper(OpCall &opCall);
-	void spcSetCursorInventoryMode(OpCall &opCall);
 	void spcUpdateObject272Sequence(OpCall &opCall);
+	void spcSetCursorInventoryMode(OpCall &opCall);
+	void spcCenterCurrentScreenText(OpCall &opCall);
+	void spcSetDefaultTextCoords(OpCall &opCall);
+	void spcSetTextDuration(OpCall &opCall);
 
 };
 
diff --git a/engines/illusions/illusions.cpp b/engines/illusions/illusions.cpp
index dbc07724d5..c4af5b5449 100644
--- a/engines/illusions/illusions.cpp
+++ b/engines/illusions/illusions.cpp
@@ -303,6 +303,22 @@ bool IllusionsEngine::checkActiveTalkThreads() {
 	return _threads->isActiveThread(kMsgQueryTalkThreadActive);
 }
 
+void IllusionsEngine::setTextDuration(int kind, uint32 duration) {
+	_field8 = kind;
+	switch (_field8) {
+	case 1:
+	case 2:
+		_fieldA = 0;
+		break;
+	case 3:
+	case 4:
+		_fieldA = duration;
+		break;
+	default:
+		break;
+	}
+}
+
 uint32 IllusionsEngine::clipTextDuration(uint32 duration) {
 	switch (_field8) {
 	case 2:
diff --git a/engines/illusions/illusions.h b/engines/illusions/illusions.h
index f188d5cee3..9914936add 100644
--- a/engines/illusions/illusions.h
+++ b/engines/illusions/illusions.h
@@ -170,6 +170,7 @@ public:
 
 	void setCurrFontId(uint32 fontId);
 	bool checkActiveTalkThreads();
+	void setTextDuration(int kind, uint32 duration);
 	uint32 clipTextDuration(uint32 duration);
 	void getDefaultTextDimensions(WidthHeight &dimensions);
 	void setDefaultTextDimensions(WidthHeight &dimensions);