From 0e14012edd8341842c8f14fbe7eeec266fdb17b5 Mon Sep 17 00:00:00 2001
From: Matthew Hoops
Date: Thu, 8 Sep 2011 13:12:26 -0400
Subject: PEGASUS: Begin loading items

---
 engines/pegasus/pegasus.cpp | 48 +++++++++++++++++++++++++++++++++++----------
 engines/pegasus/pegasus.h   | 23 ++++------------------
 2 files changed, 42 insertions(+), 29 deletions(-)

diff --git a/engines/pegasus/pegasus.cpp b/engines/pegasus/pegasus.cpp
index 466945e211..d6b3d541fa 100644
--- a/engines/pegasus/pegasus.cpp
+++ b/engines/pegasus/pegasus.cpp
@@ -35,6 +35,8 @@
 #include "pegasus/gamestate.h"
 #include "pegasus/pegasus.h"
 #include "pegasus/timers.h"
+#include "pegasus/items/biochips/biochipitem.h"
+#include "pegasus/items/inventory/inventoryitem.h"
 
 //#define RUN_SUB_MOVIE // :D :D :D :D :D :D
 //#define RUN_INTERFACE_TEST
@@ -76,7 +78,7 @@ Common::Error PegasusEngine::run() {
 	if (!_biochipLid->open("Images/Lids/Biochip Lid Sequence") || !_biochipLid->hasResFork())
 		error("Could not open Biochip Lid Sequence");
 
-	loadItemLocationData();
+	createItems();
 
 	if (!isDemo() && !detectOpeningClosingDirectory()) {
 		Common::String message = "Missing intro directory. ";
@@ -191,25 +193,51 @@ bool PegasusEngine::detectOpeningClosingDirectory() {
 	return true;
 }
 
-void PegasusEngine::loadItemLocationData() {
+void PegasusEngine::createItems() {
 	Common::SeekableReadStream *res = _resFork->getResource(MKTAG('N', 'I', 't', 'm'), 0x80);
 
 	uint16 entryCount = res->readUint16BE();
 
 	for (uint16 i = 0; i < entryCount; i++) {
-		ItemLocationData loc;
-		loc.id = res->readUint16BE(); // Which is always == i, anyway
-		loc.location = (ItemLocation)res->readUint16BE();
-		loc.u0 = res->readUint16BE();
-		loc.u1 = res->readByte();
-		debug(1, "Item[%d]: ID = %d, location = %x, u0 = %d, u1 = %d", i, loc.id, loc.location, loc.u0, loc.u1);
-		res->readByte();
-		_itemLocationData.push_back(loc);
+		tItemID itemID = res->readUint16BE();
+		tNeighborhoodID neighborhoodID = res->readUint16BE();
+		tRoomID roomID = res->readUint16BE();
+		tDirectionConstant direction = res->readByte();
+		res->readByte(); // alignment
+
+		createItem(itemID, neighborhoodID, roomID, direction);
 	}
 
 	delete res;
 }
 
+void PegasusEngine::createItem(tItemID itemID, tNeighborhoodID neighborhoodID, tRoomID roomID, tDirectionConstant direction) {
+	switch (itemID) {
+	case kInterfaceBiochip:
+		// Unused in game, but still in the data - no need to load it
+		break;
+	case kMapBiochip:
+	case kAIBiochip:
+	case kPegasusBiochip:
+	case kRetinalScanBiochip:
+	case kShieldBiochip:
+	case kOpticalBiochip:
+		// TODO: Specialized biochip classes
+		new BiochipItem(itemID, neighborhoodID, roomID, direction);
+		break;
+	case kAirMask:
+	case kKeyCard:
+	case kGasCanister:
+		// TODO: Specialized inventory item classes
+		new InventoryItem(itemID, neighborhoodID, roomID, direction);
+		break;
+	default:
+		// Everything else is a normal inventory item
+		new InventoryItem(itemID, neighborhoodID, roomID, direction);
+		break;
+	}
+}
+
 void PegasusEngine::runIntro() {
 	_video->playMovieCentered(_introDirectory + "/BandaiLogo.movie");
 	VideoHandle handle = _video->playBackgroundMovie(_introDirectory + "/Big Movie.movie");
diff --git a/engines/pegasus/pegasus.h b/engines/pegasus/pegasus.h
index 53593c1c1b..e0135657bd 100644
--- a/engines/pegasus/pegasus.h
+++ b/engines/pegasus/pegasus.h
@@ -49,25 +49,8 @@ class VideoManager;
 class GraphicsManager;
 class Idler;
 
-enum ItemLocation {
-	kItemLocationCaldoria = 0,
-	kItemLocationTSA = 1,
-	kItemLocationNorad = 4, // ???
-	kItemLocationMars = 5,
-	kItemLocationWSC = 6,
-	kItemLocationPrehistoric = 7,
-	kItemLocationBuiltIn = 0xffff
-};
-
 static const int kViewScreenOffset = 64;
 
-struct ItemLocationData {
-	uint16 id;
-	ItemLocation location;
-	uint16 u0;
-	byte u1;
-};
-
 struct OverviewHotspot {
 	Common::Rect rect;
 	uint32 time;
@@ -128,7 +111,6 @@ private:
 
 	// Main Game Functions
 	void mainGameLoop();
-	void loadItemLocationData();
 	void changeLocation(tNeighborhoodID neighborhood);
 
 	// Misc Functions
@@ -138,7 +120,6 @@ private:
 	// Game Variables
 	bool _adventureMode;
 	GameMode _gameMode;
-	Common::Array<ItemLocationData> _itemLocationData;
 
 	// Console
 	PegasusConsole *_console;
@@ -150,6 +131,10 @@ private:
 	// Idlers
 	Common::List<Idler *> _idlers;
 	void giveIdleTime();
+
+	// Items
+	void createItems();
+	void createItem(tItemID itemID, tNeighborhoodID neighborhoodID, tRoomID roomID, tDirectionConstant direction);
 };
 
 } // End of namespace Pegasus
-- 
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