black background for inventory

src/net/torvald/terrarum/ui/UIInventoryFull.kt

@@ -5,6 +5,7 @@ import com.badlogic.gdx.graphics.Camera
 import com.badlogic.gdx.graphics.Color
 import com.badlogic.gdx.graphics.GL20
 import com.badlogic.gdx.graphics.g2d.SpriteBatch
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer
 import net.torvald.terrarum.*
 import net.torvald.terrarum.gameactors.ActorWithPhysics
 import net.torvald.terrarum.gameactors.InventoryPair
@@ -129,7 +130,33 @@ class UIInventoryFull(
         equipped?.update(delta)
     }
 
+    private val gradStartCol = Color(0x404040_60)
+    private val gradEndCol   = Color(0x000000_70)
+    private val shapeRenderer = ShapeRenderer()
+    private val gradHeight = 48f
+
     override fun renderUI(batch: SpriteBatch, camera: Camera) {
+        // background fill
+        batch.end()
+        Gdx.gl.glEnable(GL20.GL_BLEND) // ending the batch disables blend
+
+        val gradTopStart = (Terrarum.HEIGHT - internalHeight).div(2).toFloat()
+        val gradBottomEnd = Terrarum.HEIGHT - gradTopStart
+
+        shapeRenderer.inUse {
+            shapeRenderer.rect(0f, gradTopStart, Terrarum.WIDTH.toFloat(), gradHeight, gradStartCol, gradStartCol, gradEndCol, gradEndCol)
+            shapeRenderer.rect(0f, gradBottomEnd, Terrarum.WIDTH.toFloat(), -gradHeight, gradStartCol, gradStartCol, gradEndCol, gradEndCol)
+
+            shapeRenderer.rect(0f, gradTopStart + gradHeight, Terrarum.WIDTH.toFloat(), internalHeight - (2 * gradHeight), gradEndCol, gradEndCol, gradEndCol, gradEndCol)
+
+            shapeRenderer.rect(0f, 0f, Terrarum.WIDTH.toFloat(), gradTopStart, gradStartCol, gradStartCol, gradStartCol, gradStartCol)
+            shapeRenderer.rect(0f, Terrarum.HEIGHT.toFloat(), Terrarum.WIDTH.toFloat(), -(Terrarum.HEIGHT.toFloat() - gradBottomEnd), gradStartCol, gradStartCol, gradStartCol, gradStartCol)
+        }
+
+
+        batch.begin()
+
+        // UI items
         catBar.render(batch, camera)
         itemList?.render(batch, camera)
         equipped?.render(batch, camera)

src/net/torvald/terrarum/ui/UIItemInventoryDynamicList.kt

@@ -82,8 +82,8 @@ class UIItemInventoryDynamicList(
                 itemImage = null,
                 mouseoverBackCol = Color(0x282828_ff),
                 mouseoverBackBlendMode = BlendMode.SCREEN,
-                backCol = Color(0xd4d4d4_ff.toInt()),
-                backBlendMode = BlendMode.MULTIPLY,
+                backCol = Color(0x303030_58),
+                backBlendMode = BlendMode.NORMAL,
                 drawBackOnNull = true,
                 inactiveTextCol = defaultTextColour
         ) })
@@ -98,8 +98,8 @@ class UIItemInventoryDynamicList(
                 itemImage = null,
                 mouseoverBackCol = Color(0x282828_ff),
                 mouseoverBackBlendMode = BlendMode.SCREEN,
-                backCol = Color(0xd4d4d4_ff.toInt()),
-                backBlendMode = BlendMode.MULTIPLY,
+                backCol = Color(0x303030_58),
+                backBlendMode = BlendMode.NORMAL,
                 drawBackOnNull = true,
                 inactiveTextCol = defaultTextColour
         )

src/net/torvald/terrarum/ui/UIItemInventoryEquippedView.kt

@@ -38,7 +38,7 @@ class UIItemInventoryEquippedView(
     lateinit var inventorySortList: Array<GameItem?>
     private var rebuildList = true
     
-    val spriteViewBackCol = Color(0xd4d4d4_ff.toInt())
+    val spriteViewBackCol: Color; get() = Color(0x303030_58.toInt())//Color(0xd4d4d4_ff.toInt())
 
     private val itemGrid = Array<UIItemInventoryCellBase>(
             2 * 5, {
@@ -51,8 +51,8 @@ class UIItemInventoryEquippedView(
                 itemImage = null,
                 mouseoverBackCol = Color(0x282828_ff),
                 mouseoverBackBlendMode = BlendMode.SCREEN,
-                backCol = Color(0xd4d4d4_ff.toInt()),
-                backBlendMode = BlendMode.MULTIPLY,
+                backCol = Color(0x303030_58),
+                backBlendMode = BlendMode.NORMAL,
                 drawBackOnNull = true
         )
     }
@@ -65,6 +65,7 @@ class UIItemInventoryEquippedView(
 
     override fun render(batch: SpriteBatch, camera: Camera) {
         // sprite background
+        blendNormal()
         batch.color = spriteViewBackCol
         batch.fillRect(
                 posX.toFloat(), posY.toFloat(),
@@ -94,8 +95,7 @@ class UIItemInventoryEquippedView(
         
         rebuildList = false
 
-        // TODO sort if needed
-
+        // sort by equip position
 
         // fill the grid from fastest index, make no gap in-between of slots
         var listPushCnt = 0