HDB: Add Loading Screen

5 files changed, 75 insertions, 4 deletions

diff --git a/engines/hdb/gfx.cpp b/engines/hdb/gfx.cpp
index 1000d97694..9ba60400a9 100644
--- a/engines/hdb/gfx.cpp
+++ b/engines/hdb/gfx.cpp
@@ -199,6 +199,7 @@ void Gfx::fillScreen(uint32 color) {
 
 void Gfx::updateVideo() {
 	updateFade();
+	g_hdb->checkProgress();
 	debug(9, "STUB: Gfx::updateVideo incomplete");
 }
 
diff --git a/engines/hdb/gfx.h b/engines/hdb/gfx.h
index a9df0c349e..28ebcbafec 100644
--- a/engines/hdb/gfx.h
+++ b/engines/hdb/gfx.h
@@ -42,7 +42,8 @@ enum {
 	kAnimFrameDelay = kGameFPS / 30,
 	kAnimSlowFrames = kAnimFrameDelay * 10,
 	kAnimMediumFrames = kAnimFrameDelay * 6,
-	kAnimFastFrames = kAnimFrameDelay * 2
+	kAnimFastFrames = kAnimFrameDelay * 2,
+	kProgressY = (kScreenHeight - 64)
 };
 
 class Tile;
diff --git a/engines/hdb/hdb.cpp b/engines/hdb/hdb.cpp
index d0b4b51e94..f4cc45f439 100644
--- a/engines/hdb/hdb.cpp
+++ b/engines/hdb/hdb.cpp
@@ -118,6 +118,10 @@ bool HDBGame::init() {
 
 	_menu->init();
 
+	_progressGfx = _gfx->loadPic(PIC_LOADBAR);
+	_progressMarkGfx = _gfx->loadPic(PIC_LOADSTAR);
+	_logoGfx = NULL;
+
 	_changeLevel = false;
 	_changeMapname[0] = 0;
 	_loadInfo.active = _saveInfo.active = false;
@@ -127,6 +131,7 @@ bool HDBGame::init() {
 	_gameShutdown = false;
 	_pauseFlag = 0;
 	_systemInit = true;
+	_loadingScreenGfx = _gfx->loadPic(PIC_LOADSCREEN);
 
 	return true;
 }
@@ -264,7 +269,17 @@ void HDBGame::paint() {
 		_gfx->drawPointer();
 		break;
 	case GAME_LOADING:
-		warning("STUB: Gfx::DrawLoadingScreen required");
+		// clear video, then draw HDB logo
+		drawLoadingScreen();
+
+		// if the graphic has never been loaded, load it now and leave it in memory
+		if (!_logoGfx)
+			_logoGfx = _gfx->loadPic(TITLELOGO);
+		_logoGfx->drawMasked(kScreenWidth / 2 - _logoGfx->_width / 2, 10);
+
+		int	x = kScreenWidth / 2 - _progressGfx->_width / 2;
+		int pixels = _progressGfx->_width - _progressMarkGfx->_width;
+		_progressXOffset = (int)(((double)pixels / _progressMax) * (double)_progressCurrent) + x;
 		break;
 	}
 
@@ -670,6 +685,38 @@ void HDBGame::useEntity(AIEntity *e) {
 	}
 }
 
+void HDBGame::setupProgressBar(int maxCount) {
+	_progressMax = maxCount;
+	_progressCurrent = 0;
+	_progressActive = true;
+}
+
+void HDBGame::drawProgressBar() {
+	if (!_progressActive)
+		return;
+
+	GameState temp = _gameState;
+	_gameState = GAME_LOADING;
+	_gameState = temp;
+}
+
+void HDBGame::checkProgress() {
+	int x, i;
+
+	if (!_progressActive)
+		return;
+
+	x = kScreenWidth / 2 - _progressGfx->_width / 2;
+	_progressGfx->drawMasked(x, kProgressY);
+	for (i = x; i < _progressXOffset; i += _progressMarkGfx->_width)
+		_progressMarkGfx->drawMasked(i, kProgressY);
+	_progressMarkGfx->drawMasked(_progressXOffset, kProgressY);
+}
+
+void HDBGame::drawLoadingScreen() {
+	_loadingScreenGfx->draw(0, 0);
+}
+
 struct {
 	const char *fName, *printName;
 } mapNames[] = {
diff --git a/engines/hdb/hdb.h b/engines/hdb/hdb.h
index 9ba967a917..739a00e3f1 100644
--- a/engines/hdb/hdb.h
+++ b/engines/hdb/hdb.h
@@ -200,6 +200,18 @@ public:
 	void setTargetXY(int x, int y);
 	void useEntity(AIEntity *e);
 
+	void setupProgressBar(int maxCount);
+	void drawProgressBar();
+	void makeProgress() {
+		_progressCurrent++;
+		drawProgressBar();
+	}
+	void checkProgress();
+	void stopProgress() {
+		_progressActive = false;
+	}
+	void drawLoadingScreen();
+
 	int getActionMode() {
 		return _actionMode;
 	}
@@ -290,8 +302,15 @@ private:
 	bool _systemInit;
 	GameState _gameState;
 	int _actionMode; // 0 or 1
+
+	// Misc Variables
 	int _pauseFlag;
+
 	bool _cheating;
+	Picture *_progressGfx, *_progressMarkGfx;
+	Picture *_loadingScreenGfx, *_logoGfx;
+	bool _progressActive;
+	int _progressCurrent, _progressXOffset, _progressMax;
 
 	char _currentMapname[64];
 	char _lastMapname[64];
diff --git a/engines/hdb/map.cpp b/engines/hdb/map.cpp
index dd36d03c88..29183c8f16 100644
--- a/engines/hdb/map.cpp
+++ b/engines/hdb/map.cpp
@@ -572,8 +572,11 @@ bool Map::load(Common::SeekableReadStream *stream) {
 	};
 
 	// Scan all icons and init all Entities
-	warning("STUB: Map::load: SetupProgressBar");
+	g_hdb->setupProgressBar(_iconNum);
 	for (int i = 0; i < _iconNum; i++) {
+
+		g_hdb->makeProgress();
+
 		// Don't spawn Action Mode Entities in Puzzle Mode
 		if (!g_hdb->getActionMode()) {
 			switch (aiInfo[_iconList[i].icon].type) {
@@ -587,7 +590,7 @@ bool Map::load(Common::SeekableReadStream *stream) {
 			case ITEM_SLUGSLINGER:
 				continue;
 			default:
-				warning("MAP-LOADER: load: Unintended Type");
+				break;
 			}
 		}