From 610644c4a1fd386d6fde2c4c52b5aa9c1bdacc48 Mon Sep 17 00:00:00 2001
From: Strangerke <strangerke@scummvm.org>
Date: Wed, 27 Aug 2014 01:25:18 +0200
Subject: [PATCH] ACCESS: Implement tileScreen

---
 engines/access/amazon/amazon_game.cpp | 40 ++++++++++++++++++++++++++-
 engines/access/amazon/amazon_game.h   |  5 ++++
 engines/access/amazon/amazon_room.cpp |  2 +-
 3 files changed, 45 insertions(+), 2 deletions(-)

diff --git a/engines/access/amazon/amazon_game.cpp b/engines/access/amazon/amazon_game.cpp
index f7ed4146d855..608db5d5733e 100644
--- a/engines/access/amazon/amazon_game.cpp
+++ b/engines/access/amazon/amazon_game.cpp
@@ -44,15 +44,18 @@ AmazonEngine::AmazonEngine(OSystem *syst, const AccessGameDescription *gameDesc)
 	_hitCount = 0;
 	_saveRiver = 0;
 	_hitSafe = 0;
-	_chapter = 0;
+	_oldTitleChap = _chapter = 0;
 	_topList = 0;
 	_botList = 0;
 	_riverIndex = 0;
 	_rawInactiveX = 0;
 	_rawInactiveY = 0;
 	_inactiveYOff = 0;
+	_tilePos = Common::Point(0, 0);
 
 	Common::fill(&_esTabTable[0], &_esTabTable[100], 0);
+	memset(_tileData, 0, sizeof(_tileData));
+
 	_hintLevel = 0;
 }
 
@@ -270,6 +273,41 @@ void AmazonEngine::doEstablish(int esatabIndex, int sub) {
 		_room->init4Quads();
 }
 
+const char *const _tileFiles[] = {
+	"GRAY.BLK", "RED.BLK", "LTBROWN.BLK", "DKBROWN.BLK", "VIOLET.BLK", "LITEBLUE.BLK",
+	"DARKBLUE.BLK", "CYAN.BLK", "GREEN.BLK", "OLIVE.BLK", "GRAY.BLK", "RED.BLK",
+	"LTBROWN.BLK", "DKBROWN.BLK", "VIOLET.BLK", "OLIVE.BLK"
+};
+
+void AmazonEngine::tileScreen(Common::String filename) {
+	if (!_screen->_vesaMode)
+		return;
+
+	if (!_clearSummaryFlag && (_oldTitleChap == _chapter))
+		return;
+
+	_oldTitleChap = _chapter;
+	int idx = _chapter - 1;
+
+	if (!_files->existFile(_tileFiles[idx]))
+		return;
+
+	byte *data = _files->loadFile(_tileFiles[idx]);
+	int x = READ_LE_UINT16(data);
+	int y = READ_LE_UINT16(data + 2);
+	int size = ((x + 2) * y) + 10;
+	
+	for (int i = 0; i < size; ++i)
+		_tileData[i] = data[i + 4];
+
+	// CHECKME: Depending on the Vesa mode during initialization, 400 or 480
+	for (_tilePos.y = 0; _tilePos.y < 480; _tilePos.y += y) {
+		for (_tilePos.x = 0; _tilePos.x < 640; _tilePos.x += x)
+			warning("TODO: DRAWOBJECT");
+	}
+
+}
+
 void AmazonEngine::drawHelp() {
 	error("TODO: drawHelp");
 }
diff --git a/engines/access/amazon/amazon_game.h b/engines/access/amazon/amazon_game.h
index 5c4c472fb766..5192e208d703 100644
--- a/engines/access/amazon/amazon_game.h
+++ b/engines/access/amazon/amazon_game.h
@@ -39,6 +39,7 @@ class AmazonEngine : public AccessEngine {
 	int _hitCount;
 	int _saveRiver;
 	int _hitSafe;
+	int _oldTitleChap;
 	int _chapter;
 	int _topList;
 	int _botList;
@@ -47,6 +48,8 @@ class AmazonEngine : public AccessEngine {
 	int _rawInactiveY;
 	int _inactiveYOff;
 	int _esTabTable[100];
+	Common::Point _tilePos;
+	byte _tileData[1455];
 
 	/**
 	 * Do the game introduction
@@ -108,6 +111,8 @@ class AmazonEngine : public AccessEngine {
 	void drawHelp();
 
 	virtual void establish(int esatabIndex, int sub);
+
+	void tileScreen(Common::String filename);
 };
 
 } // End of namespace Amazon
diff --git a/engines/access/amazon/amazon_room.cpp b/engines/access/amazon/amazon_room.cpp
index 3666de5e094e..f8c8bc45a811 100644
--- a/engines/access/amazon/amazon_room.cpp
+++ b/engines/access/amazon/amazon_room.cpp
@@ -180,7 +180,7 @@ void AmazonRoom::init4Quads() {
 	if (!_vm->_screen->_vesaMode)
 		return;
 
-	warning("TILESCREEN(TILE.BLK);");
+	_game->tileScreen(Common::String("TILE.BLK"));
 	_vm->_inventory->refreshInventory();
 	warning("TODO: UPDATESUMMARY(chapter)");