HDB: Add _stars3D, _stars3DSlow + setup functions

2 files changed, 37 insertions, 2 deletions

diff --git a/engines/hdb/draw-manager.cpp b/engines/hdb/draw-manager.cpp
index eebb7c81d7..b39155ecc0 100644
--- a/engines/hdb/draw-manager.cpp
+++ b/engines/hdb/draw-manager.cpp
@@ -144,10 +144,10 @@ void DrawMan::setSky(int skyIndex) {
 
 	// Setup current sky
 	if (tileIndex == _tileSkyStars) {
-		warning("STUB: DRAWMAN::setSky: Setup3DStars");
+		setup3DStars();
 		return;
 	} else if (skyIndex == _tileSkyStarsLeft) {
-		warning("STUB: DRAWMAN::setSky: Setup3DStarsLeft");
+		setup3DStarsLeft();
 		return;
 	} else if (skyIndex == _tileSkyStars) {
 		warning("STUB: DRAWMAN::setSky: getPicture( CLOUDY_SKIES )");
@@ -155,6 +155,25 @@ void DrawMan::setSky(int skyIndex) {
 	}
 }
 
+void DrawMan::setup3DStars() {
+	for (int i = 0; i < kNum3DStars; i++) {
+		_stars3D[i].x = g_hdb->_rnd->getRandomNumber(kScreenWidth) % kScreenWidth;
+		_stars3D[i].y = g_hdb->_rnd->getRandomNumber(kScreenHeight) % kScreenHeight;
+		_stars3D[i].speed = (g_hdb->_rnd->getRandomNumber(256) % 256);
+		_stars3D[i].speed >>= 1;
+		_stars3D[i].color = _stars3D[i].speed / 64;
+	}
+}
+
+void DrawMan::setup3DStarsLeft() {
+	for (int i = 0; i < kNum3DStars; i++) {
+		_stars3DSlow[i].x = g_hdb->_rnd->getRandomNumber(kScreenWidth) % kScreenWidth;
+		_stars3DSlow[i].y = g_hdb->_rnd->getRandomNumber(kScreenHeight) % kScreenHeight;
+		_stars3DSlow[i].speed = ((double) (1 + (g_hdb->_rnd->getRandomNumber(5) % 5))) / 6.0;
+		_stars3DSlow[i].color = (int) (_stars3DSlow[i].speed * 4.00);
+	}
+}
+
 Picture::~Picture() {
 	_surface.free();
 }
diff --git a/engines/hdb/draw-manager.h b/engines/hdb/draw-manager.h
index 9db9629d1d..da419eb9db 100644
--- a/engines/hdb/draw-manager.h
+++ b/engines/hdb/draw-manager.h
@@ -57,12 +57,28 @@ public:
 	Picture *getPicture(const char *name);
 	int isSky(int skyIndex);
 	void setSky(int skyIndex);
+	void setup3DStars();
+	void setup3DStarsLeft();
+	// Add draw functions for the above two
+	//void draw3DStars();
+	//void draw3DStarsLeft();
 
 private:
 	int _numTiles;
 	TileLookup *_tLookupArray;
 	uint16 _skyTiles[kMaxSkies];
 	int _currentSky;	// 0 if no Sky, 1+ for which Sky to use
+
+	struct {
+		int x, y, speed;
+		uint16 color;
+	} _stars3D[kNum3DStars];
+
+	struct {
+		double x, y, speed;
+		uint16 color;
+	} _stars3DSlow[kNum3DStars];
+
 	int _tileSkyStars; // Index of sky_stars tile
 	int _tileSkyStarsLeft; // Left-scrolling stars, slow
 	int _tileSkyClouds; // Index of sky_stars tile