From 7ff7e0def4670fee3346c4b75aa1e79d2f684bb0 Mon Sep 17 00:00:00 2001
From: Walter van Niftrik
Date: Wed, 16 Mar 2016 11:04:34 +0100
Subject: ADL: Add hires2 command loading

---
 engines/adl/adl.cpp    |  8 ++++++--
 engines/adl/adl.h      |  1 +
 engines/adl/hires2.cpp | 26 ++++++++++++++++++++++++--
 engines/adl/hires2.h   |  6 ++++++
 4 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/engines/adl/adl.cpp b/engines/adl/adl.cpp
index 81c9054bb2..1afc530ad4 100644
--- a/engines/adl/adl.cpp
+++ b/engines/adl/adl.cpp
@@ -273,6 +273,11 @@ void AdlEngine::readCommands(Common::ReadStream &stream, Commands &commands) {
 	}
 }
 
+void AdlEngine::checkInput(byte verb, byte noun) {
+	if (!doOneCommand(_roomCommands, verb, noun))
+		printMessage(_messageIds.dontUnderstand);
+}
+
 void AdlEngine::clearScreen() const {
 	_display->setMode(DISPLAY_MODE_MIXED);
 	_display->clear(0x00);
@@ -448,8 +453,7 @@ Common::Error AdlEngine::run() {
 			// If we just restored from the GMM, we skip this command
 			// set, as no command has been input by the user
 			if (!_isRestoring)
-				if (!doOneCommand(_roomCommands, verb, noun))
-					printMessage(_messageIds.dontUnderstand);
+				checkInput(verb, noun);
 		}
 
 		if (_isRestoring) {
diff --git a/engines/adl/adl.h b/engines/adl/adl.h
index 20e8fbc30c..97077f94f7 100644
--- a/engines/adl/adl.h
+++ b/engines/adl/adl.h
@@ -163,6 +163,7 @@ protected:
 
 	void loadWords(Common::ReadStream &stream, WordMap &map) const;
 	void readCommands(Common::ReadStream &stream, Commands &commands);
+	virtual void checkInput(byte verb, byte noun);
 
 	// Graphics
 	void clearScreen() const;
diff --git a/engines/adl/hires2.cpp b/engines/adl/hires2.cpp
index 226a8e33da..8b12746641 100644
--- a/engines/adl/hires2.cpp
+++ b/engines/adl/hires2.cpp
@@ -83,6 +83,13 @@ void HiRes2Engine::init() {
 	_messageIds.itemNotHere = IDI_HR2_MSG_ITEM_NOT_HERE;
 	_messageIds.thanksForPlaying = IDI_HR2_MSG_THANKS_FOR_PLAYING;
 
+	// Load commands from executable
+	f.seek(IDI_HR2_OFS_CMDS_1);
+	readCommands(f, _roomCommands);
+
+	f.seek(IDI_HR2_OFS_CMDS_0);
+	// readCommands(f, _globalCommands);
+
 	f.seek(IDI_HR2_OFS_VERBS);
 	loadWords(f, _verbs);
 
@@ -91,6 +98,9 @@ void HiRes2Engine::init() {
 }
 
 void HiRes2Engine::initState() {
+	_state.vars.clear();
+	_state.vars.resize(IDI_HR2_NUM_VARS);
+
 	Common::File f;
 	openFile(f, IDS_HR2_DISK_IMAGE);
 
@@ -119,7 +129,7 @@ void HiRes2Engine::loadRoom(byte roomNr) {
 	uint offset = TSO(room.track, room.sector, room.offset);
 	f.seek(offset);
 	uint16 descOffset = f.readUint16LE();
-	/* uint16 commandOffset =*/ f.readUint16LE();
+	uint16 commandOffset = f.readUint16LE();
 
 	// There's no picture count. The original engine always checks at most
 	// five pictures. We use the description offset to bound our search.
@@ -134,7 +144,12 @@ void HiRes2Engine::loadRoom(byte roomNr) {
 		f.readByte();
 		_roomData.pictures.push_back(pic);
 	}
+
 	_roomData.description = readStringAt(f, offset + descOffset, 0xff);
+
+	f.seek(offset + commandOffset);
+
+	readCommands(f, _roomData.commands);
 }
 
 void HiRes2Engine::restartGame() {
@@ -158,16 +173,23 @@ void HiRes2Engine::drawPic(byte pic, Common::Point pos) const {
 
 void HiRes2Engine::showRoom() {
 	loadRoom(_state.room);
-	_linesPrinted = 0;
 	drawPic(getCurRoom().curPicture, Common::Point());
 	_display->updateHiResScreen();
 	printString(_roomData.description);
+	_linesPrinted = 0;
 }
 
 void HiRes2Engine::printMessage(uint idx, bool wait) {
 	printString(_messages[idx - 1]);
 }
 
+void HiRes2Engine::checkInput(byte verb, byte noun) {
+	if (doOneCommand(_roomData.commands, verb, noun))
+		return;
+
+	AdlEngine::checkInput(verb, noun);
+}
+
 void HiRes2Engine::checkTextOverflow(char c) {
 	if (c != APPLECHAR('\r'))
 		return;
diff --git a/engines/adl/hires2.h b/engines/adl/hires2.h
index 58831c497d..f9d6d924bc 100644
--- a/engines/adl/hires2.h
+++ b/engines/adl/hires2.h
@@ -47,8 +47,12 @@ namespace Adl {
 #define IDI_HR2_OFS_ROOMS      TSO(0x21, 0x5, 0x0e) // Skip bogus room 0
 #define IDI_HR2_OFS_MESSAGES   TSO(0x1f, 0x2, 0x04) // Skip bogus message 0
 
+#define IDI_HR2_OFS_CMDS_0      TS(0x1f, 0x7)
+#define IDI_HR2_OFS_CMDS_1      TS(0x1d, 0x7)
+
 #define IDI_HR2_NUM_ROOMS 135
 #define IDI_HR2_NUM_MESSAGES 254
+#define IDI_HR2_NUM_VARS 40
 
 // Messages used outside of scripts
 #define IDI_HR2_MSG_CANT_GO_THERE      123
@@ -73,6 +77,7 @@ struct Picture2 {
 struct RoomData {
 	Common::String description;
 	Common::Array<Picture2> pictures;
+	Commands commands;
 };
 
 class HiRes2Engine : public AdlEngine {
@@ -89,6 +94,7 @@ private:
 	void drawItem(const Item &item, const Common::Point &pos) const { }
 	void showRoom();
 	void printMessage(uint idx, bool wait);
+	void checkInput(byte verb, byte noun);
 
 	void loadRoom(byte roomNr);
 	void checkTextOverflow(char c);
-- 
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