Introduce XPGlobesPlugin

plugin-playground/src/main/kotlin/XPGlobesPlugin/Constants.kt

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+package XPGlobesPlugin
+
+import java.awt.Color
+
+object Constants {
+    const val SKILL_COUNT = 24
+    const val MAX_LEVEL = 99
+    const val INVALID_LEVEL = -1
+    const val INVALID_XP = -1
+    const val GLOBE_LIFETIME = 5000L // 5 seconds
+    const val GLOBES_Y_OFFSET = 48 // y-offset in screen space where globes are drawn
+    val GLOBE_BKG_COLOR: Color = Color.GRAY
+    const val GLOBE_BKG_SIZE = 33 // Size of the globe background
+    val GLOBE_BORDER_COLOR: Color = Color.BLACK
+    const val GLOBE_BORDER_WIDTH = 1 // Width of the globe border
+    val GLOBE_XP_ARC_COLOR: Color = Color.YELLOW
+    val GLOBE_XP_ARC_LEVEL_UP_COLOR: Color = Color.BLUE
+    const val GLOBE_XP_ARC_WIDTH = 3 // Width of the Xp arc
+    const val MAX_GLOBES = 6 // maximum number of globes we will draw on resizable clients
+    const val MAX_GLOBES_SD = 3 // maximum number of globes we will draw on fixed clients
+    const val GLOBE_PADDING = 3 // horizontal padding between globes
+}