diff --git a/src/net/torvald/terrarum/LoadScreen.kt b/src/net/torvald/terrarum/LoadScreen.kt
index 9de4f7bbf..a1ac2e7cf 100644
--- a/src/net/torvald/terrarum/LoadScreen.kt
+++ b/src/net/torvald/terrarum/LoadScreen.kt
@@ -161,7 +161,7 @@ object LoadScreen : ScreenAdapter() {
                 Terrarum.batch.inUse {
 
 
-                    blendNormal()
+                    blendNormal(Terrarum.batch)
                     Terrarum.fontGame
                     it.color = Color.WHITE
 
@@ -169,7 +169,7 @@ object LoadScreen : ScreenAdapter() {
                     Terrarum.fontGame.draw(it, textToPrint, ((textFbo.width - textWidth) / 2).toInt().toFloat(), 0f)
 
 
-                    blendMul()
+                    blendMul(Terrarum.batch)
                     // draw colour overlay, flipped
                     it.draw(textOverlayTex,
                             (textFbo.width - textWidth) / 2f,
@@ -184,7 +184,7 @@ object LoadScreen : ScreenAdapter() {
             Terrarum.batch.inUse {
                 initViewPort(Terrarum.WIDTH, Terrarum.HEIGHT) // dunno, no render without this
                 it.projectionMatrix = camera.combined
-                blendNormal()
+                blendNormal(Terrarum.batch)
 
 
                 // almost black background
@@ -251,7 +251,7 @@ object LoadScreen : ScreenAdapter() {
 
                 initViewPort(Terrarum.WIDTH, Terrarum.HEIGHT) // dunno, no render without this
                 it.projectionMatrix = camera.combined
-                blendNormal()
+                blendNormal(Terrarum.batch)
 
 
 
diff --git a/src/net/torvald/terrarum/Terrarum.kt b/src/net/torvald/terrarum/Terrarum.kt
index a7cb8f352..e9eaf15b5 100644
--- a/src/net/torvald/terrarum/Terrarum.kt
+++ b/src/net/torvald/terrarum/Terrarum.kt
@@ -576,25 +576,25 @@ fun SpriteBatch.drawStraightLine(x: Float, y: Float, otherEnd: Float, thickness:
 infix fun Color.mul(other: Color): Color = this.cpy().mul(other)
 
 
-fun blendMul(batch: SpriteBatch? = null) {
+fun blendMul(batch: SpriteBatch) {
     // will break if the colour image contains semitransparency
-    (batch ?: Terrarum.batch).enableBlending()
-    (batch ?: Terrarum.batch).setBlendFunction(GL20.GL_DST_COLOR, GL20.GL_ONE_MINUS_SRC_ALPHA)
+    batch.enableBlending()
+    batch.setBlendFunction(GL20.GL_DST_COLOR, GL20.GL_ONE_MINUS_SRC_ALPHA)
 }
 
-fun blendScreen(batch: SpriteBatch? = null) {
+fun blendScreen(batch: SpriteBatch) {
     // will break if the colour image contains semitransparency
-    (batch ?: Terrarum.batch).enableBlending()
-    (batch ?: Terrarum.batch).setBlendFunction(GL20.GL_ONE, GL20.GL_ONE_MINUS_SRC_COLOR)
+    batch.enableBlending()
+    batch.setBlendFunction(GL20.GL_ONE, GL20.GL_ONE_MINUS_SRC_COLOR)
 }
 
-fun blendDisable(batch: SpriteBatch? = null) {
-    (batch ?: Terrarum.batch).disableBlending()
+fun blendDisable(batch: SpriteBatch) {
+    batch.disableBlending()
 }
 
-fun blendNormal(batch: SpriteBatch? = null) {
-    (batch ?: Terrarum.batch).enableBlending()
-    (batch ?: Terrarum.batch).setBlendFunctionSeparate(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA, GL20.GL_SRC_ALPHA, GL20.GL_ONE)
+fun blendNormal(batch: SpriteBatch) {
+    batch.enableBlending()
+    batch.setBlendFunctionSeparate(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA, GL20.GL_SRC_ALPHA, GL20.GL_ONE)
 
     // ALPHA *MUST BE* PREMULTIPLIED //
 
@@ -648,7 +648,7 @@ object BlendMode {
     const val NORMAL   = "normal"
     //const val MAX      = "GL_MAX" // not supported by GLES -- use shader
 
-    fun resolve(mode: String, batch: SpriteBatch? = null) {
+    fun resolve(mode: String, batch: SpriteBatch) {
         when (mode) {
             SCREEN   -> blendScreen(batch)
             MULTIPLY -> blendMul(batch)
diff --git a/src/net/torvald/terrarum/TitleScreen.kt b/src/net/torvald/terrarum/TitleScreen.kt
index db71a340e..c32ff434e 100644
--- a/src/net/torvald/terrarum/TitleScreen.kt
+++ b/src/net/torvald/terrarum/TitleScreen.kt
@@ -261,7 +261,7 @@ class TitleScreen(val batch: SpriteBatch) : Screen {
 
     private fun renderOverlayTexts() {
         setCameraPosition(0f, 0f)
-        blendNormal()
+        blendNormal(batch)
         batch.shader = null
 
         batch.color = Color.LIGHT_GRAY
diff --git a/src/net/torvald/terrarum/UIItemInventoryElem.kt b/src/net/torvald/terrarum/UIItemInventoryElem.kt
index e2482973d..ee687dcd9 100644
--- a/src/net/torvald/terrarum/UIItemInventoryElem.kt
+++ b/src/net/torvald/terrarum/UIItemInventoryElem.kt
@@ -74,12 +74,12 @@ class UIItemInventoryElem(
         if (item != null || drawBackOnNull) {
             // do not highlight even if drawBackOnNull is true
             if (mouseUp && item != null) {
-                BlendMode.resolve(mouseoverBackBlendMode)
+                BlendMode.resolve(mouseoverBackBlendMode, batch)
                 batch.color = mouseoverBackCol
             }
             // if drawBackOnNull, just draw background
             else {
-                BlendMode.resolve(backBlendMode)
+                BlendMode.resolve(backBlendMode, batch)
                 batch.color = backCol
             }
             batch.fillRect(posX.toFloat(), posY.toFloat(), width.toFloat(), height.toFloat())
@@ -87,7 +87,7 @@ class UIItemInventoryElem(
 
 
         if (item != null && itemImage != null) {
-            blendNormal()
+            blendNormal(batch)
             
             // item image
             batch.color = Color.WHITE
diff --git a/src/net/torvald/terrarum/UIItemInventoryElemSimple.kt b/src/net/torvald/terrarum/UIItemInventoryElemSimple.kt
index 89ddae38e..1ab630449 100644
--- a/src/net/torvald/terrarum/UIItemInventoryElemSimple.kt
+++ b/src/net/torvald/terrarum/UIItemInventoryElemSimple.kt
@@ -56,12 +56,12 @@ class UIItemInventoryElemSimple(
         if (item != null || drawBackOnNull) {
             // do not highlight even if drawBackOnNull is true
             if (mouseUp && item != null || equippedSlot != null) { // "equippedSlot != null": also highlight back if equipped
-                BlendMode.resolve(mouseoverBackBlendMode)
+                BlendMode.resolve(mouseoverBackBlendMode, batch)
                 batch.color = mouseoverBackCol
             }
             // if drawBackOnNull, just draw background
             else {
-                BlendMode.resolve(backBlendMode)
+                BlendMode.resolve(backBlendMode, batch)
                 batch.color = backCol
             }
             batch.fillRect(posX.toFloat(), posY.toFloat(), width.toFloat(), height.toFloat())
@@ -72,7 +72,7 @@ class UIItemInventoryElemSimple(
         // and you can clearly see the quickslot UI anyway
 
         if (item != null && itemImage != null) {
-            blendNormal()
+            blendNormal(batch)
 
             // item image
             batch.color = Color.WHITE
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/MessageWindow.kt b/src/net/torvald/terrarum/modulebasegame/ui/MessageWindow.kt
index c33ae152c..8ae34958b 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/MessageWindow.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/MessageWindow.kt
@@ -3,9 +3,9 @@ package net.torvald.terrarum.modulebasegame.ui
 import com.badlogic.gdx.graphics.Camera
 import com.badlogic.gdx.graphics.Color
 import com.badlogic.gdx.graphics.g2d.SpriteBatch
+import net.torvald.terrarum.Second
 import net.torvald.terrarum.Terrarum
 import net.torvald.terrarum.blendNormal
-import net.torvald.terrarum.Second
 import net.torvald.terrarum.ui.UICanvas
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
 
@@ -36,7 +36,7 @@ class MessageWindow(override var width: Int, isBlackVariant: Boolean) : UICanvas
     }
 
     override fun renderUI(batch: SpriteBatch, camera: Camera) {
-        blendNormal()
+        blendNormal(batch)
 
         val textWidth = messagesList.map { Terrarum.fontGame.getWidth(it) }.sorted()[1]
 
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UIBasicNotifier.kt b/src/net/torvald/terrarum/modulebasegame/ui/UIBasicNotifier.kt
index df3e58bcc..82ac2bf7a 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UIBasicNotifier.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UIBasicNotifier.kt
@@ -114,7 +114,7 @@ class UIBasicNotifier(private val player: ActorHumanoid?) : UICanvas() {
     override fun renderUI(batch: SpriteBatch, camera: Camera) {
         // light overlay or EL
         if (ELon) {
-            blendNormal()
+            blendNormal(batch)
             batch.draw(atlas.get(0, 2), 0f, 0f)
         }
         else {
@@ -124,7 +124,7 @@ class UIBasicNotifier(private val player: ActorHumanoid?) : UICanvas() {
         }
 
         // LCD back
-        blendNormal()
+        blendNormal(batch)
         batch.draw(atlas.get(0, 3), 0f, 0f)
 
 
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UIInventoryFull.kt b/src/net/torvald/terrarum/modulebasegame/ui/UIInventoryFull.kt
index 0232c8d9e..fe78d8656 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UIInventoryFull.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UIInventoryFull.kt
@@ -188,7 +188,7 @@ class UIInventoryFull(
             )
 
             // encumbrance bar background
-            blendMul()
+            blendMul(batch)
             batch.color = Color(0xa0a0a0_ff.toInt())
             batch.fillRect(
                     xEnd - 3 - weightBarWidth,
@@ -197,7 +197,7 @@ class UIInventoryFull(
                     controlHelpHeight - 6f
             )
             // encumbrance bar
-            blendNormal()
+            blendNormal(batch)
             batch.color = if (isEncumbered) Color(0xff0000_cc.toInt()) else Color(0x00ff00_cc.toInt())
             batch.fillRect(
                     xEnd - 3 - weightBarWidth,
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UIItemInventoryEquippedView.kt b/src/net/torvald/terrarum/modulebasegame/ui/UIItemInventoryEquippedView.kt
index 16c869adc..ae711fbe0 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UIItemInventoryEquippedView.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UIItemInventoryEquippedView.kt
@@ -62,7 +62,7 @@ class UIItemInventoryEquippedView(
 
     override fun render(batch: SpriteBatch, camera: Camera) {
         // sprite background
-        blendNormal()
+        blendNormal(batch)
         batch.color = spriteViewBackCol
         batch.fillRect(
                 posX.toFloat(), posY.toFloat(),
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UIItemModuleInfoCell.kt b/src/net/torvald/terrarum/modulebasegame/ui/UIItemModuleInfoCell.kt
index d88ff0001..68ae60a86 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UIItemModuleInfoCell.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UIItemModuleInfoCell.kt
@@ -23,7 +23,7 @@ class UIItemModuleInfoCell(
     private val numberAreaWidth = Terrarum.fontSmallNumbers.W * 3 + 4
 
     override fun render(batch: SpriteBatch, camera: Camera) {
-        blendNormal()
+        blendNormal(batch)
 
         if (ModMgr.moduleInfo.containsKey(moduleName)) {
             val modInfo = ModMgr.moduleInfo[moduleName]!!
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UITierOneWatch.kt b/src/net/torvald/terrarum/modulebasegame/ui/UITierOneWatch.kt
index 98f0496e1..8961d27c0 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UITierOneWatch.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UITierOneWatch.kt
@@ -63,7 +63,7 @@ class UITierOneWatch(private val player: ActorHumanoid?) : UICanvas() {
     override fun renderUI(batch: SpriteBatch, camera: Camera) {
         // light overlay or EL
         if (ELon) {
-            blendNormal()
+            blendNormal(batch)
             batch.draw(atlas.get(0, 2), 0f, 0f)
         }
         else {
@@ -73,7 +73,7 @@ class UITierOneWatch(private val player: ActorHumanoid?) : UICanvas() {
         }
 
         // LCD back
-        blendNormal()
+        blendNormal(batch)
         batch.draw(atlas.get(0, 3), 0f, 0f)
 
 
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UITitleCharactersList.kt b/src/net/torvald/terrarum/modulebasegame/ui/UITitleCharactersList.kt
index 82dad147c..8cf3dffa9 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UITitleCharactersList.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UITitleCharactersList.kt
@@ -51,7 +51,7 @@ class UITitleCharactersList : UICanvas() {
 
     override fun renderUI(batch: SpriteBatch, camera: Camera) {
         batch.color = Color.WHITE
-        blendNormal()
+        blendNormal(batch)
         mouduleArea.render(batch, camera)
     }
 
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UITitleModules.kt b/src/net/torvald/terrarum/modulebasegame/ui/UITitleModules.kt
index f4d507ab4..e0b0bcc15 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UITitleModules.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UITitleModules.kt
@@ -58,7 +58,7 @@ class UITitleModules : UICanvas() {
 
     override fun renderUI(batch: SpriteBatch, camera: Camera) {
         batch.color = Color.WHITE
-        blendNormal()
+        blendNormal(batch)
         mouduleArea.render(batch, camera)
     }
 
diff --git a/src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt b/src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt
index 01f6307a4..7de269cb9 100644
--- a/src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt
+++ b/src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt
@@ -272,7 +272,7 @@ class BasicDebugInfoWindow : UICanvas() {
         Terrarum.fontSmallNumbers.draw(batch, "255", x.toFloat() + w + 1 - 8 * 3, y.toFloat() + h + 2)
         Terrarum.fontSmallNumbers.draw(batch, "Histogramme", x + w / 2 - 5.5f * 8, y.toFloat() + h + 2)
 
-        blendScreen()
+        blendScreen(batch)
         for (c in 0..2) {
             for (i in 0..255) {
                 var histogram_value = if (i == 255) 0 else histogram.get(c)[i]
@@ -291,7 +291,7 @@ class BasicDebugInfoWindow : UICanvas() {
                 batch.fillRect(bar_x, bar_y, bar_w, bar_h)
             }
         }
-        blendNormal()
+        blendNormal(batch)
     }
 
     private fun drawGamepadAxis(batch: SpriteBatch, axisX: Float, axisY: Float, uiX: Int, uiY: Int) {
@@ -307,7 +307,7 @@ class BasicDebugInfoWindow : UICanvas() {
         val padName = if (Terrarum.controller!!.name.isEmpty()) "Gamepad"
                       else Terrarum.controller!!.name
 
-        blendNormal()
+        blendNormal(batch)
 
         batch.end()
         Terrarum.inShapeRenderer {
diff --git a/src/net/torvald/terrarum/ui/UIItemImageButton.kt b/src/net/torvald/terrarum/ui/UIItemImageButton.kt
index 97da57fcd..16206c0d5 100644
--- a/src/net/torvald/terrarum/ui/UIItemImageButton.kt
+++ b/src/net/torvald/terrarum/ui/UIItemImageButton.kt
@@ -40,11 +40,11 @@ open class UIItemImageButton(
     override fun render(batch: SpriteBatch, camera: Camera) {
         // draw background
         if (mouseUp) {
-            BlendMode.resolve(activeBackBlendMode)
+            BlendMode.resolve(activeBackBlendMode, batch)
             batch.color = activeBackCol
         }
         else {
-            BlendMode.resolve(buttonBackBlendMode)
+            BlendMode.resolve(buttonBackBlendMode, batch)
             batch.color = buttonBackCol
         }
 
@@ -52,7 +52,7 @@ open class UIItemImageButton(
 
 
         // draw image
-        blendNormal()
+        blendNormal(batch)
 
         batch.color = if (highlighted) highlightCol
         else if (mouseUp) activeCol
diff --git a/src/net/torvald/terrarum/ui/UIItemList.kt b/src/net/torvald/terrarum/ui/UIItemList.kt
index 2a7246e97..bc3ee95d9 100644
--- a/src/net/torvald/terrarum/ui/UIItemList.kt
+++ b/src/net/torvald/terrarum/ui/UIItemList.kt
@@ -4,8 +4,8 @@ import com.badlogic.gdx.graphics.Camera
 import com.badlogic.gdx.graphics.Color
 import com.badlogic.gdx.graphics.g2d.SpriteBatch
 import net.torvald.terrarum.BlendMode
-import net.torvald.terrarum.fillRect
 import net.torvald.terrarum.Second
+import net.torvald.terrarum.fillRect
 
 
 /**
@@ -106,11 +106,11 @@ class UIItemList<Item: UIItem>(
 
     override fun render(batch: SpriteBatch, camera: Camera) {
         batch.color = backgroundCol
-        BlendMode.resolve(backgroundBlendMode)
+        BlendMode.resolve(backgroundBlendMode, batch)
         batch.fillRect(posX.toFloat(), posY.toFloat(), width.toFloat(), height.toFloat())
 
         batch.color = highlightBackCol
-        BlendMode.resolve(highlightBackBlendMode)
+        BlendMode.resolve(highlightBackBlendMode, batch)
         if (highlightY != null) {
             batch.fillRect(posX.toFloat(), highlightY!!.toFloat(), width.toFloat(), UIItemTextButton.height.toFloat())
         }