Expanded SkillIconManager to include smaller versions

Needed small icons to use for the Skill Calc redesign, decided to expand
the skill icon manager to include these, created a new folder in the
resources with the small png's.

runelite-client/src/main/java/net/runelite/client/game/SkillIconManager.java

@@ -35,11 +35,12 @@ import net.runelite.api.Skill;
 @Slf4j
 public class SkillIconManager
 {
-	private final BufferedImage[] imgCache = new BufferedImage[Skill.values().length];
+	// * 2 to account for the small version of each icon
+	private final BufferedImage[] imgCache = new BufferedImage[Skill.values().length * 2];
 
-	public BufferedImage getSkillImage(Skill skill)
+	public BufferedImage getSkillImage(Skill skill, boolean small)
 	{
-		int skillIdx = skill.ordinal();
+		int skillIdx = skill.ordinal() + (small ? Skill.values().length : 0);
 		BufferedImage skillImage = null;
 
 		if (imgCache[skillIdx] != null)
@@ -49,7 +50,8 @@ public class SkillIconManager
 
 		try
 		{
-			String skillIconPath = "/skill_icons/" + skill.getName().toLowerCase() + ".png";
+			String skillIconPath = (small ? "/skill_icons_small/" : "/skill_icons/")
+				+ skill.getName().toLowerCase() + ".png";
 			log.debug("Loading skill icon from {}", skillIconPath);
 			synchronized (ImageIO.class)
 			{
@@ -64,4 +66,10 @@ public class SkillIconManager
 
 		return skillImage;
 	}
+
+	public BufferedImage getSkillImage(Skill skill)
+	{
+		return getSkillImage(skill, false);
+	}
+
 }