From a319f473f6502b4acd2b7da4aa5220a965335081 Mon Sep 17 00:00:00 2001
From: lukaslw
Date: Tue, 24 Jun 2014 03:57:40 +0200
Subject: PRINCE: LMB outside of inventory - update

---
 engines/prince/prince.cpp | 24 +++++++++++++++++++++++-
 engines/prince/script.cpp |  4 ++++
 engines/prince/script.h   |  1 +
 3 files changed, 28 insertions(+), 1 deletion(-)

(limited to 'engines/prince')

diff --git a/engines/prince/prince.cpp b/engines/prince/prince.cpp
index 7fefae9f5f..04901d78fa 100644
--- a/engines/prince/prince.cpp
+++ b/engines/prince/prince.cpp
@@ -1685,8 +1685,11 @@ void PrinceEngine::drawInvItems() {
 }
 
 void PrinceEngine::leftMouseButton() {
+	int option = 0;
+
 	if (_optionsFlag) {
 		if (_optionEnabled < _optionsNumber) {
+			option = _optionEnabled;
 			_optionsFlag = 0;
 			// edi = optionsMob
 			// ebp = optionsMobNumber
@@ -1701,12 +1704,31 @@ void PrinceEngine::leftMouseButton() {
 			// @@walkto - TODO
 			return;
 		}
+		option = 0;
 	}
 	//do_option
 	// selectedMob = optionsMobNumber
 	if (_currentPointerNumber != 2) {
 		//skip_use_code
-
+		int optionScriptOffset = _script->getOptionScript(_room->_walkTo, option);
+		int optionEvent;
+		if (optionScriptOffset != 0) {
+			optionEvent = _script->scanMobEvents(_optionsMob, optionScriptOffset);
+		} else {
+			optionEvent = -1;
+		}
+		if (optionEvent == -1) {
+			if (option == 0) {
+				//@@walkto - TODO
+				return;
+			} else {
+				optionEvent = _script->getOptionScript(_script->_scriptInfo.stdExamine, option - 1);
+			}
+		}
+		// eax <- return (int)READ_UINT16(&_data[optionEvent]);
+		// store_new_pc:
+		// storeNewPC();
+		return;
 	} else if (_selectedMode != 0) {
 		//give_item
 
diff --git a/engines/prince/script.cpp b/engines/prince/script.cpp
index a8efe71ca8..4122b3898e 100644
--- a/engines/prince/script.cpp
+++ b/engines/prince/script.cpp
@@ -205,6 +205,10 @@ uint8 *Script::getRoomOffset(int locationNr) {
 	return &_data[_scriptInfo.rooms + locationNr * 64];
 }
 
+int Script::getOptionScript(int offset, int option) {
+	return (int)READ_UINT16(&_data[offset + option * 4]);
+}
+
 int Script::scanMobEvents(int mobMask, int dataEventOffset) {
 	debug("mobMask: %d", mobMask);
 	int i = 0;
diff --git a/engines/prince/script.h b/engines/prince/script.h
index 4a7316c9d5..5cdf9c64ba 100644
--- a/engines/prince/script.h
+++ b/engines/prince/script.h
@@ -135,6 +135,7 @@ public:
 	int16 getLightY(int locationNr);
 	int32 getShadowScale(int locationNr);
 	uint8 *getRoomOffset(int locationNr);
+	int32 getOptionScript(int offset, int option);
 	void installBackAnims(Common::Array<BackgroundAnim> &_backanimList, int offset);
 	void installSingleBackAnim(Common::Array<BackgroundAnim> &_backanimList, int offset);
 	bool loadAllMasks(Common::Array<Mask> &maskList, int offset);
-- 
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