Fix crashes from out-of-bounds shadow drawing (#16)

src/cdogs/actors.c

@@ -146,11 +146,27 @@ static void DrawShadow(Vector2i pos)
 	const int dy = 6;
 	for (drawPos.y = pos.y - dy; drawPos.y < pos.y + dy; drawPos.y++)
 	{
+		if (drawPos.y >= gGraphicsDevice.clipping.bottom)
+		{
+			break;
+		}
+		if (drawPos.y < gGraphicsDevice.clipping.top)
+		{
+			continue;
+		}
 		for (drawPos.x = pos.x - dx; drawPos.x < pos.x + dx; drawPos.x++)
 		{
 			// Calculate value tint based on distance from center
 			Vector2i scaledPos;
 			int distance2;
+			if (drawPos.x >= gGraphicsDevice.clipping.right)
+			{
+				break;
+			}
+			if (drawPos.y < gGraphicsDevice.clipping.left)
+			{
+				continue;
+			}
 			scaledPos.x = drawPos.x;
 			scaledPos.y = (drawPos.y - pos.y) * dx / dy + pos.y;
 			distance2 = DistanceSquared(scaledPos, pos);

src/cdogs/hud.c

@@ -141,6 +141,11 @@ void HUDUpdate(HUD *hud, int ms)
 }
 
 
+static void DrawWeaponStatus(const Weapon *weapon, Vector2i pos, int flags)
+{
+	CDogsTextStringSpecial(GunGetName(weapon->gun), flags, pos.x, pos.y);
+}
+
 void DrawHealth(int health, int maxHealth, int flags, GraphicsConfig *config)
 {
 	char s[50];
@@ -182,7 +187,7 @@ void DrawHealth(int health, int maxHealth, int flags, GraphicsConfig *config)
 #define HUD_PLACE_LEFT	0
 #define HUD_PLACE_RIGHT	1
 // Draw player's score, health etc.
-void DrawPlayerStatus(
+static void DrawPlayerStatus(
 	struct PlayerData *data, TActor *p, int placement, GraphicsConfig *config)
 {
 	char s[50];
@@ -203,9 +208,12 @@ void DrawPlayerStatus(
 	}
 	if (p)
 	{
-		CDogsTextStringSpecial(s, flags, 5, 5 + 2 + 2 * CDogsTextHeight());
-		CDogsTextStringSpecial(
-			GunGetName(p->weapon.gun), flags, 5, 5 + 1 + CDogsTextHeight());
+		Vector2i pos;
+		pos.x = 5;
+		pos.y = 5 + 1 + CDogsTextHeight();
+		DrawWeaponStatus(&p->weapon, pos, flags);
+		pos.y += 1 + CDogsTextHeight();
+		CDogsTextStringSpecial(s, flags, pos.x, pos.y);
 		DrawHealth(p->health, gCharacterDesc[p->character].maxHealth, flags, config);
 	}
 	else