From 85ab2a206625a7a403637a656f0a4510dc3731a3 Mon Sep 17 00:00:00 2001
From: minjaesong <alswo9628@gmail.com>
Date: Sat, 27 May 2017 20:05:12 +0900
Subject: [PATCH] various patches and renaming; thai-variable font sheet

---
 .gitignore                                    |   1 -
 .idea/codeStyleSettings.xml                   |   1 -
 assets/graphics/fonts/thai_variable.tga       |   3 +
 assets/graphics/fonts/thai_wide.tga           |   3 -
 src/net/torvald/imagefont/GameFontImpl.kt     |   2 +-
 src/net/torvald/terrarum/DefaultConfig.kt     |   4 +
 src/net/torvald/terrarum/StateFontTester.kt   |   3 +-
 src/net/torvald/terrarum/StateInGame.kt       |  29 +-
 src/net/torvald/terrarum/Terrarum.kt          |  12 +-
 .../terrarum/debuggerapp/ActorValueTracker.kt |   4 +-
 .../terrarum/gameactors/ActorHumanoid.kt      |  17 +-
 .../terrarum/gameactors/ParticleBase.kt       |   4 +-
 .../terrarum/gameactors/PhysTestBall.kt       |  12 +-
 .../gameactors/PlayerBuilderSigrid.kt         |   4 +-
 .../terrarum/gameactors/ai/AILuaAPI.kt        |   4 +-
 .../terrarum/ui/BasicDebugInfoWindow.kt       |  73 +-
 .../computer/TerrarumComputer.kt              |  52 +-
 .../virtualcomputer/luaapi/FilesystemTEVD.kt  |   4 +-
 .../terrarum/worlddrawer/BlocksDrawer.kt      |  83 ++-
 .../terrarum/worlddrawer/BlocksDrawer_old.kt  | 657 ++++++++++++++++++
 .../terrarum/worlddrawer/LightmapRenderer.kt  |  23 +-
 work_files/graphics/fonts/thai_variable.psd   |   3 +
 22 files changed, 861 insertions(+), 137 deletions(-)
 create mode 100644 assets/graphics/fonts/thai_variable.tga
 delete mode 100644 assets/graphics/fonts/thai_wide.tga
 create mode 100644 src/net/torvald/terrarum/worlddrawer/BlocksDrawer_old.kt
 create mode 100644 work_files/graphics/fonts/thai_variable.psd

diff --git a/.gitignore b/.gitignore
index 4f78a4980..ff953f44f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,5 +3,4 @@ bin/*
 hs_err_pid*
 Thumbs.db
 .DS_Store
-/.idea/workspace.xml
 ~$*
diff --git a/.idea/codeStyleSettings.xml b/.idea/codeStyleSettings.xml
index c4d5773f1..77fa1251f 100644
--- a/.idea/codeStyleSettings.xml
+++ b/.idea/codeStyleSettings.xml
@@ -3,7 +3,6 @@
   <component name="ProjectCodeStyleSettingsManager">
     <option name="PER_PROJECT_SETTINGS">
       <value>
-        <option name="RIGHT_MARGIN" value="100" />
         <JetCodeStyleSettings>
           <option name="ALIGN_IN_COLUMNS_CASE_BRANCH" value="true" />
         </JetCodeStyleSettings>
diff --git a/assets/graphics/fonts/thai_variable.tga b/assets/graphics/fonts/thai_variable.tga
new file mode 100644
index 000000000..1da7219b1
--- /dev/null
+++ b/assets/graphics/fonts/thai_variable.tga
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:695841163f0bdb8a797b29e21ed046e011d06e950dff4a30cd1e5867f9d9bbf6
+size 122898
diff --git a/assets/graphics/fonts/thai_wide.tga b/assets/graphics/fonts/thai_wide.tga
deleted file mode 100644
index b7947b6a4..000000000
--- a/assets/graphics/fonts/thai_wide.tga
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:df1ef4409181fba74bb60cbc699f8f9035ef45e708350ac4162c213246aaa90a
-size 69138
diff --git a/src/net/torvald/imagefont/GameFontImpl.kt b/src/net/torvald/imagefont/GameFontImpl.kt
index 64b0e342a..66d1eeb16 100644
--- a/src/net/torvald/imagefont/GameFontImpl.kt
+++ b/src/net/torvald/imagefont/GameFontImpl.kt
@@ -39,7 +39,7 @@ class GameFontImpl(noShadow: Boolean = false) : GameFontBase(noShadow = noShadow
         GameFontBase.greekSheet = SpriteSheet(
                 "./assets/graphics/fonts/greek_variable.tga", 15, 19, 1)
         GameFontBase.thaiSheet = SpriteSheet(
-                "./assets/graphics/fonts/thai_wide.tga", GameFontBase.W_LATIN_WIDE, GameFontBase.H)
+                "./assets/graphics/fonts/thai_variable.tga",15, 19, 1)
         GameFontBase.keycapSheet = SpriteSheet(
                 "./assets/graphics/fonts/puae000-e0ff.tga", GameFontBase.SIZE_KEYCAP, GameFontBase.SIZE_KEYCAP)
 
diff --git a/src/net/torvald/terrarum/DefaultConfig.kt b/src/net/torvald/terrarum/DefaultConfig.kt
index 51b505beb..006c8fcd1 100644
--- a/src/net/torvald/terrarum/DefaultConfig.kt
+++ b/src/net/torvald/terrarum/DefaultConfig.kt
@@ -14,6 +14,10 @@ object DefaultConfig {
     fun fetch(): JsonObject {
         val jsonObject = JsonObject()
 
+        jsonObject.addProperty("displayfps", 60)
+        jsonObject.addProperty("usevsync", true)
+
+
         jsonObject.addProperty("smoothlighting", true)
         jsonObject.addProperty("imtooyoungtodie", false) // perma-death
         jsonObject.addProperty("language", Terrarum.sysLang)
diff --git a/src/net/torvald/terrarum/StateFontTester.kt b/src/net/torvald/terrarum/StateFontTester.kt
index c1ef95729..55babc9c5 100644
--- a/src/net/torvald/terrarum/StateFontTester.kt
+++ b/src/net/torvald/terrarum/StateFontTester.kt
@@ -86,7 +86,8 @@ nopqrstuvwxyz
                 "Pijamalı hasta yağız şoföre çabucak güvendi",
                 "Also supports: ‛Unicode’ „quotation marks“—dashes…「括弧」‼",
                 "ASCII  Latin-1  Latin_Ext-A  Latin_Ext-B  Greek  Cyrillic  CJK-Ideo  Kana  Hangul_Syllables",
-                ""
+                "",
+                "…not seeing your language/writing system? Let me know on the Issue Tracker!"
         )
         val SP = "${0x3000.toChar()}${0x3000.toChar()}"
 
diff --git a/src/net/torvald/terrarum/StateInGame.kt b/src/net/torvald/terrarum/StateInGame.kt
index fcbae6d56..b1c85c0a3 100644
--- a/src/net/torvald/terrarum/StateInGame.kt
+++ b/src/net/torvald/terrarum/StateInGame.kt
@@ -435,8 +435,8 @@ class StateInGame : BasicGameState() {
                     worldG.font = Terrarum.fontSmallNumbers
                     worldG.drawString(
                             actor.referenceID.toString(),
-                            actor.hitbox.posX.toFloat(),
-                            actor.hitbox.pointedY.toFloat() + 4
+                            actor.hitbox.startX.toFloat(),
+                            actor.hitbox.canonicalY.toFloat() + 4
                     )
                 }
             }
@@ -449,8 +449,8 @@ class StateInGame : BasicGameState() {
                     worldG.font = Terrarum.fontSmallNumbers
                     worldG.lineWidth = 1f
                     worldG.drawRect(
-                            actor.hitbox.posX.toFloat(),
-                            actor.hitbox.posY.toFloat(),
+                            actor.hitbox.startX.toFloat(),
+                            actor.hitbox.startY.toFloat(),
                             actor.hitbox.width.toFloat(),
                             actor.hitbox.height.toFloat()
                     )
@@ -459,13 +459,13 @@ class StateInGame : BasicGameState() {
                     worldG.color = GameFontBase.codeToCol["g"]
                     worldG.drawString(
                             "${0x7F.toChar()}X ${actor.externalForce.x}",
-                            actor.hitbox.posX.toFloat(),
-                            actor.hitbox.pointedY.toFloat() + 4 + 8
+                            actor.hitbox.startX.toFloat(),
+                            actor.hitbox.canonicalY.toFloat() + 4 + 8
                     )
                     worldG.drawString(
                             "${0x7F.toChar()}Y ${actor.externalForce.y}",
-                            actor.hitbox.posX.toFloat(),
-                            actor.hitbox.pointedY.toFloat() + 4 + 8 * 2
+                            actor.hitbox.startX.toFloat(),
+                            actor.hitbox.canonicalY.toFloat() + 4 + 8 * 2
                     )
                 }
             }
@@ -501,7 +501,6 @@ class StateInGame : BasicGameState() {
         backG.flush()
         gwin.drawImage(backDrawFrameBuffer, 0f, 0f)
 
-
         // centre marker
         /*gwin.color = Color(0x00FFFF)
         gwin.lineWidth = 1f
@@ -639,12 +638,12 @@ class StateInGame : BasicGameState() {
             )
     private fun distToCameraSqr(a: ActorWithBody) =
             min(
-                    (a.hitbox.posX - WorldCamera.x).sqr() +
-                    (a.hitbox.posY - WorldCamera.y).sqr(),
-                    (a.hitbox.posX - WorldCamera.x + world.width * TILE_SIZE).sqr() +
-                    (a.hitbox.posY - WorldCamera.y).sqr(),
-                    (a.hitbox.posX - WorldCamera.x - world.width * TILE_SIZE).sqr() +
-                    (a.hitbox.posY - WorldCamera.y).sqr()
+                    (a.hitbox.startX - WorldCamera.x).sqr() +
+                    (a.hitbox.startY - WorldCamera.y).sqr(),
+                    (a.hitbox.startX - WorldCamera.x + world.width * TILE_SIZE).sqr() +
+                    (a.hitbox.startY - WorldCamera.y).sqr(),
+                    (a.hitbox.startX - WorldCamera.x - world.width * TILE_SIZE).sqr() +
+                    (a.hitbox.startY - WorldCamera.y).sqr()
             )
 
     /** whether the actor is within screen */
diff --git a/src/net/torvald/terrarum/Terrarum.kt b/src/net/torvald/terrarum/Terrarum.kt
index d829bed23..9fc3257b3 100644
--- a/src/net/torvald/terrarum/Terrarum.kt
+++ b/src/net/torvald/terrarum/Terrarum.kt
@@ -34,13 +34,17 @@ typealias Millisec = Int
  */
 object Terrarum : StateBasedGame(GAME_NAME) {
 
+
+
     //////////////////////////////
     // GLOBAL IMMUTABLE CONFIGS //
     //////////////////////////////
     var WIDTH = 1072
     var HEIGHT = 742 // IMAX ratio
 
-    var VSYNC = true
+    val RENDER_FPS = getConfigInt("displayfps")
+    val USE_VSYNC = getConfigBoolean("usevsync")
+    var VSYNC = USE_VSYNC
     val VSYNC_TRIGGER_THRESHOLD = 56
 
     val HALFW: Int
@@ -516,8 +520,10 @@ fun main(args: Array<String>) {
         Terrarum.appgc = AppGameContainer(Terrarum)
         Terrarum.appgc.setDisplayMode(Terrarum.WIDTH, Terrarum.HEIGHT, false)
 
-        Terrarum.appgc.setTargetFrameRate(Terrarum.TARGET_INTERNAL_FPS)
-        Terrarum.appgc.setVSync(Terrarum.VSYNC)
+        if (Terrarum.RENDER_FPS > 0) {
+            Terrarum.appgc.setTargetFrameRate(Terrarum.RENDER_FPS)
+        }
+        //Terrarum.appgc.setVSync(Terrarum.VSYNC)
         Terrarum.appgc.setMaximumLogicUpdateInterval(1000 / Terrarum.TARGET_INTERNAL_FPS) // 10 ms
         Terrarum.appgc.setMinimumLogicUpdateInterval(1000 / Terrarum.TARGET_INTERNAL_FPS - 1) // 9 ms
 
diff --git a/src/net/torvald/terrarum/debuggerapp/ActorValueTracker.kt b/src/net/torvald/terrarum/debuggerapp/ActorValueTracker.kt
index ef2b3f521..119154b9a 100644
--- a/src/net/torvald/terrarum/debuggerapp/ActorValueTracker.kt
+++ b/src/net/torvald/terrarum/debuggerapp/ActorValueTracker.kt
@@ -162,8 +162,8 @@ class ActorValueTracker constructor() : JFrame() {
 
         if (actor != null) {
             sb.append("toString: ${actor!!}\n")
-            sb.append("X: ${actor!!.hitbox.pointedX} (${(actor!!.hitbox.pointedX / FeaturesDrawer.TILE_SIZE).toInt()})\n")
-            sb.append("Y: ${actor!!.hitbox.pointedY} (${(actor!!.hitbox.pointedY / FeaturesDrawer.TILE_SIZE).toInt()})")
+            sb.append("X: ${actor!!.hitbox.canonicalX} (${(actor!!.hitbox.canonicalX / FeaturesDrawer.TILE_SIZE).toInt()})\n")
+            sb.append("Y: ${actor!!.hitbox.canonicalY} (${(actor!!.hitbox.canonicalY / FeaturesDrawer.TILE_SIZE).toInt()})")
 
             avPosArea.text = "$sb"
             sb.setLength(0) // clear stringbuffer
diff --git a/src/net/torvald/terrarum/gameactors/ActorHumanoid.kt b/src/net/torvald/terrarum/gameactors/ActorHumanoid.kt
index 6d007eeff..888662987 100644
--- a/src/net/torvald/terrarum/gameactors/ActorHumanoid.kt
+++ b/src/net/torvald/terrarum/gameactors/ActorHumanoid.kt
@@ -71,7 +71,8 @@ open class ActorHumanoid(birth: GameDate, death: GameDate? = null)
      * (Use ArrayList for normal circumstances)
      */
     override val lightBoxList: List<Hitbox>
-        get() = arrayOf(Hitbox(0.0, 0.0, hitbox.width, hitbox.height)).toList() // use getter; dimension of the player may change by time.
+        get() = arrayOf(Hitbox(2.0, 2.0, hitbox.width - 3, hitbox.height - 3)).toList() // things are asymmetric!!
+        // use getter; dimension of the player may change by time.
 
     @Transient val BASE_DENSITY = 980.0
 
@@ -156,7 +157,7 @@ open class ActorHumanoid(birth: GameDate, death: GameDate? = null)
 
         if (vehicleRiding is Player)
             throw Error("Attempted to 'ride' player object. ($vehicleRiding)")
-        if (vehicleRiding != null && (vehicleRiding == this))
+        if (vehicleRiding != null && vehicleRiding == this)
             throw Error("Attempted to 'ride' itself. ($vehicleRiding)")
 
 
@@ -167,7 +168,7 @@ open class ActorHumanoid(birth: GameDate, death: GameDate? = null)
         updateSprite(delta)
 
         if (noClip) {
-            grounded = true
+            //grounded = true
         }
 
         // reset control box of AI
@@ -370,9 +371,9 @@ open class ActorHumanoid(birth: GameDate, death: GameDate? = null)
                         avAcceleration * (if (left) -1f else 1f) * absAxisVal
 
             if (absAxisVal != AXIS_KEYBOARD)
-                walkX = walkX.plus(readonly_totalX).bipolarClamp(avSpeedCap * absAxisVal)
+                controllerMoveDelta?.x?.let { controllerMoveDelta!!.x = controllerMoveDelta!!.x.plus(readonly_totalX).bipolarClamp(avSpeedCap * absAxisVal) }
             else
-                walkX = walkX.plus(readonly_totalX).bipolarClamp(avSpeedCap)
+                controllerMoveDelta?.x?.let { controllerMoveDelta!!.x = controllerMoveDelta!!.x.plus(readonly_totalX).bipolarClamp(avSpeedCap) }
 
             if (absAxisVal == AXIS_KEYBOARD) {
                 walkCounterX += 1
@@ -399,9 +400,9 @@ open class ActorHumanoid(birth: GameDate, death: GameDate? = null)
                     avAcceleration * (if (up) -1f else 1f) * absAxisVal
 
         if (absAxisVal != AXIS_KEYBOARD)
-            walkY = walkY.plus(readonly_totalY).bipolarClamp(avSpeedCap * absAxisVal)
+            controllerMoveDelta?.y?.let { controllerMoveDelta!!.y = controllerMoveDelta!!.y.plus(readonly_totalX).bipolarClamp(avSpeedCap * absAxisVal) }
         else
-            walkY = walkY.plus(readonly_totalY).bipolarClamp(avSpeedCap)
+            controllerMoveDelta?.y?.let { controllerMoveDelta!!.y = controllerMoveDelta!!.y.plus(readonly_totalX).bipolarClamp(avSpeedCap) }
 
         if (absAxisVal == AXIS_KEYBOARD) {
             walkCounterY += 1
@@ -459,7 +460,7 @@ open class ActorHumanoid(birth: GameDate, death: GameDate? = null)
 
             jumpAcc = pwr * timedJumpCharge * JUMP_ACCELERATION_MOD * Math.sqrt(scale) // positive value
 
-            walkY -= jumpAcc // feed negative value to the vector
+            controllerMoveDelta?.y?.let { controllerMoveDelta!!.y -= jumpAcc } // feed negative value to the vector
             // do not think of resetting this to zero when counter hit the ceiling; that's HOW NOT
             // newtonian physics work, stupid myself :(
 
diff --git a/src/net/torvald/terrarum/gameactors/ParticleBase.kt b/src/net/torvald/terrarum/gameactors/ParticleBase.kt
index d6c38b026..4743a01f7 100644
--- a/src/net/torvald/terrarum/gameactors/ParticleBase.kt
+++ b/src/net/torvald/terrarum/gameactors/ParticleBase.kt
@@ -44,8 +44,8 @@ open class ParticleBase(renderOrder: Actor.RenderOrder, maxLifeTime: Int? = null
             if (velocity.isZero || lifetimeCounter >= lifetimeMax ||
                 // simple stuck check
                 BlockCodex[Terrarum.ingame!!.world.getTileFromTerrain(
-                        hitbox.pointedX.div(TILE_SIZE).floorInt(),
-                        hitbox.pointedY.div(TILE_SIZE).floorInt()
+                        hitbox.canonicalX.div(TILE_SIZE).floorInt(),
+                        hitbox.canonicalY.div(TILE_SIZE).floorInt()
                 ) ?: Block.STONE].isSolid) {
                 flagDespawn = true
             }
diff --git a/src/net/torvald/terrarum/gameactors/PhysTestBall.kt b/src/net/torvald/terrarum/gameactors/PhysTestBall.kt
index db65cdbc5..44abc8259 100644
--- a/src/net/torvald/terrarum/gameactors/PhysTestBall.kt
+++ b/src/net/torvald/terrarum/gameactors/PhysTestBall.kt
@@ -24,20 +24,20 @@ class PhysTestBall : ActorWithPhysics(Actor.RenderOrder.MIDDLE, immobileBody = t
     override fun drawBody(g: Graphics) {
         g.color = color
         g.fillOval(
-                hitbox.posX.toFloat(),
-                hitbox.posY.toFloat(),
+                hitbox.startX.toFloat() - 1f,
+                hitbox.startY.toFloat() - 1f,
                 hitbox.width.toFloat(),
                 hitbox.height.toFloat())
 
         g.fillOval(
-                hitbox.posX.toFloat() + Terrarum.ingame!!.world.width * TILE_SIZE,
-                hitbox.posY.toFloat(),
+                hitbox.startX.toFloat() + Terrarum.ingame!!.world.width * TILE_SIZE - 1f,
+                hitbox.startY.toFloat() - 1f,
                 hitbox.width.toFloat(),
                 hitbox.height.toFloat())
 
         g.fillOval(
-                hitbox.posX.toFloat() - Terrarum.ingame!!.world.width * TILE_SIZE,
-                hitbox.posY.toFloat(),
+                hitbox.startX.toFloat() - Terrarum.ingame!!.world.width * TILE_SIZE - 1f,
+                hitbox.startY.toFloat() - 1f,
                 hitbox.width.toFloat(),
                 hitbox.height.toFloat())
 
diff --git a/src/net/torvald/terrarum/gameactors/PlayerBuilderSigrid.kt b/src/net/torvald/terrarum/gameactors/PlayerBuilderSigrid.kt
index 3ba0d5dca..240627cf1 100644
--- a/src/net/torvald/terrarum/gameactors/PlayerBuilderSigrid.kt
+++ b/src/net/torvald/terrarum/gameactors/PlayerBuilderSigrid.kt
@@ -49,8 +49,8 @@ object PlayerBuilderSigrid {
 
         p.actorValue[AVKey.INTELLIGENT] = true
 
-        p.actorValue[AVKey.LUMINOSITY] = Color(0x434aff).to10bit()
-        //p.actorValue[AVKey.LUMINOSITY] = 214127943 // bright purple
+        //p.actorValue[AVKey.LUMINOSITY] = Color(0x434aff).to10bit()
+        p.actorValue[AVKey.LUMINOSITY] = 214127943 // bright purple
 
         p.actorValue[AVKey.BASEDEFENCE] = 141
 
diff --git a/src/net/torvald/terrarum/gameactors/ai/AILuaAPI.kt b/src/net/torvald/terrarum/gameactors/ai/AILuaAPI.kt
index 14b0c7e67..6abb1d3ac 100644
--- a/src/net/torvald/terrarum/gameactors/ai/AILuaAPI.kt
+++ b/src/net/torvald/terrarum/gameactors/ai/AILuaAPI.kt
@@ -58,8 +58,8 @@ internal class AILuaAPI(g: Globals, actor: ActorWithPhysics) {
             val moveDelta = actor.externalForce + actor.controllerMoveDelta
 
             t["name"] = actor.actorValue.getAsString(AVKey.NAME).toLua()
-            t["posX"] = actor.hitbox.centeredX.toLua()
-            t["posY"] = actor.hitbox.centeredY.toLua()
+            t["startX"] = actor.hitbox.centeredX.toLua()
+            t["startY"] = actor.hitbox.centeredY.toLua()
 
             t["veloX"] = moveDelta.x.toLua()
             t["veloY"] = moveDelta.y.toLua()
diff --git a/src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt b/src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt
index 4557fb63a..4aa60428d 100644
--- a/src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt
+++ b/src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt
@@ -2,13 +2,11 @@ package net.torvald.terrarum.ui
 
 import com.jme3.math.FastMath
 import net.torvald.imagefont.GameFontBase
-import net.torvald.terrarum.gameworld.PairedMapLayer
 import net.torvald.terrarum.worlddrawer.LightmapRenderer
 import net.torvald.terrarum.worlddrawer.FeaturesDrawer
 import net.torvald.terrarum.Terrarum
 import net.torvald.terrarum.blendNormal
 import net.torvald.terrarum.blendScreen
-import net.torvald.terrarum.gameactors.ActorWithPhysics
 import net.torvald.terrarum.worlddrawer.WorldCamera
 import org.newdawn.slick.Color
 import org.newdawn.slick.GameContainer
@@ -47,11 +45,11 @@ class BasicDebugInfoWindow : UICanvas {
         val player = Terrarum.ingame!!.player!!
         val hitbox = player.hitbox
 
-        xdelta = hitbox.pointedX - prevPlayerX
-        ydelta = hitbox.pointedY - prevPlayerY
+        xdelta = hitbox.canonicalX - prevPlayerX
+        ydelta = hitbox.canonicalY - prevPlayerY
 
-        prevPlayerX = hitbox.pointedX
-        prevPlayerY = hitbox.pointedY
+        prevPlayerX = hitbox.canonicalX
+        prevPlayerY = hitbox.canonicalY
     }
 
     override fun render(gc: GameContainer, g: Graphics) {
@@ -73,34 +71,46 @@ class BasicDebugInfoWindow : UICanvas {
          * First column
          */
 
-        printLine(g, 1, "pointedX "
-                + ccG
-                + "${hitbox?.pointedX}"
-                + " ("
-                + "${(hitbox?.pointedX?.div(FeaturesDrawer.TILE_SIZE))?.toInt()}"
-                + ")")
-        printLine(g, 2, "endY "
-                + ccG
-                + hitbox?.endPointY.toString()
-                + " ("
-                + (hitbox?.endPointY?.div(FeaturesDrawer.TILE_SIZE))?.toInt().toString()
-                + ")")
+        printLineColumn(g, 1, 1, "startX "
+                                 + ccG
+                                 + "${hitbox?.startX}"
+                                 + " ("
+                                 + "${(hitbox?.startX?.div(FeaturesDrawer.TILE_SIZE))?.toInt()}"
+                                 + ")")
+        printLineColumn(g, 2, 1, "endX "
+                                 + ccG
+                                 + "${hitbox?.endX}"
+                                 + " ("
+                                 + "${(hitbox?.endX?.div(FeaturesDrawer.TILE_SIZE))?.toInt()}"
+                                 + ")")
+        printLineColumn(g, 1, 2, "startY "
+                                 + ccG
+                                 + "${hitbox?.startY}"
+                                 + " ("
+                                 + "${(hitbox?.startY?.div(FeaturesDrawer.TILE_SIZE))?.toInt()}"
+                                 + ")")
+        printLineColumn(g, 2, 2, "endY "
+                                 + ccG
+                                 + "${hitbox?.endY}"
+                                 + " ("
+                                 + "${(hitbox?.endY?.div(FeaturesDrawer.TILE_SIZE))?.toInt()}"
+                                 + ")")
 
-        printLine(g, 3, "veloX reported $ccG${player?.externalForce?.x}  ${player?.controllerMoveDelta?.x}")
-        printLine(g, 4, "veloY reported $ccG${player?.externalForce?.y}  ${player?.controllerMoveDelta?.y}")
+        printLine(g, 3, "veloX reported $ccG${player?.externalForce?.x}")
+        printLine(g, 4, "veloY reported $ccG${player?.externalForce?.y}")
+
+        printLine(g, 5, "p_WalkX $ccG${player?.controllerMoveDelta?.x}")
+        printLine(g, 6, "p_WalkY $ccG${player?.controllerMoveDelta?.y}")
 
         printLineColumn(g, 2, 3, "veloX measured $ccG${xdelta}")
         printLineColumn(g, 2, 4, "veloY measured $ccG${ydelta}")
 
-        printLine(g, 5, "grounded $ccG${player?.grounded}")
-        printLine(g, 6, "noClip $ccG${player?.noClip}")
-
-
         if (player != null) {
-            printLine(g, 7,
-                    "walled ${if (player.walledLeft) "$ccR" else "$ccG"}L" +
-                    "${if (player.walledTop) "$ccR" else "$ccG"}${0x1E.toChar()}" +
+            printLineColumn(g, 1, 7,
+                    "walled " +
+                    "${if (player.walledLeft) "$ccR" else "$ccG"}L" +
                     "${if (player.walledBottom) "$ccR" else "$ccG"}${0x1F.toChar()}" +
+                    "${if (player.walledTop) "$ccR" else "$ccG"}${0x1E.toChar()}" +
                     "${if (player.walledRight) "$ccR" else "$ccG"}R"
             )
         }
@@ -132,14 +142,15 @@ class BasicDebugInfoWindow : UICanvas {
          * Second column
          */
 
-        printLineColumn(g, 2, 1, "VSync $ccG" + Terrarum.appgc.isVSyncRequested)
-        printLineColumn(g, 2, 2, "Env colour temp $ccG" + FeaturesDrawer.colTemp)
+        //printLineColumn(g, 2, 1, "VSync $ccG" + Terrarum.appgc.isVSyncRequested)
+        //printLineColumn(g, 2, 2, "Env colour temp $ccG" + FeaturesDrawer.colTemp)
+
         printLineColumn(g, 2, 5, "Time $ccG${Terrarum.ingame!!.world.time.todaySeconds.toString().padStart(5, '0')}" +
                                  " (${Terrarum.ingame!!.world.time.getFormattedTime()})")
         printLineColumn(g, 2, 6, "Mass $ccG${player?.mass}")
 
-        printLineColumn(g, 2, 7, "p_WalkX $ccG${player?.walkX}")
-        printLineColumn(g, 2, 8, "p_WalkY $ccG${player?.walkY}")
+        printLineColumn(g, 2, 7, "grounded $ccG${player?.grounded}")
+        printLineColumn(g, 2, 8, "noClip $ccG${player?.noClip}")
 
 
         drawHistogram(g, LightmapRenderer.histogram,
diff --git a/src/net/torvald/terrarum/virtualcomputer/computer/TerrarumComputer.kt b/src/net/torvald/terrarum/virtualcomputer/computer/TerrarumComputer.kt
index 863223288..9defa2040 100644
--- a/src/net/torvald/terrarum/virtualcomputer/computer/TerrarumComputer.kt
+++ b/src/net/torvald/terrarum/virtualcomputer/computer/TerrarumComputer.kt
@@ -38,13 +38,13 @@ import kotlin.collections.HashMap
  */
 class TerrarumComputer(peripheralSlots: Int) {
 
-    var maxPeripherals: Int = peripheralSlots
-        private set
-
     val DEBUG_UNLIMITED_MEM = false
     val DEBUG = true
 
 
+    val maxPeripherals: Int = if (DEBUG) 32 else peripheralSlots
+
+
     lateinit var luaJ_globals: Globals
         private set
 
@@ -80,7 +80,7 @@ class TerrarumComputer(peripheralSlots: Int) {
     lateinit var term: Teletype
         private set
 
-    val peripheralTable = ArrayList<Peripheral>()
+    val peripheralTable = Array<Peripheral?>(peripheralSlots, { null }) // index == slot number
 
     var stdinInput: Int = -1
         private set
@@ -139,26 +139,55 @@ class TerrarumComputer(peripheralSlots: Int) {
 
     fun getPeripheral(tableName: String): Peripheral? {
         peripheralTable.forEach {
-            if (it.tableName == tableName)
+            if (it?.tableName == tableName)
                 return it
         }
         return null
     }
 
-    fun attachPeripheral(peri: Peripheral) {
-        if (peripheralTable.size < maxPeripherals) {
-            peripheralTable.add(peri)
+    fun getPeripheralSlot(tableName: String): Int? {
+        peripheralTable.forEachIndexed { index, peri ->
+            if (peri?.tableName == tableName)
+                return index
+        }
+        return null
+    }
+
+    /** @return installed slot */
+    fun attachPeripheral(peri: Peripheral): Int {
+        (0..maxPeripherals - 1).forEach {
+            try {
+                attachPeripheralTo(peri, it)
+                return it
+            }
+            catch (tryNext: RuntimeException) {  }
+        }
+
+        throw RuntimeException("No vacant peripheral slot")
+    }
+
+    fun attachPeripheralTo(peri: Peripheral, slot: Int) {
+        if (peripheralTable[slot] == null) {
+            peripheralTable[slot] = peri
             peri.loadLib(luaJ_globals)
             println("[TerrarumComputer] loading peripheral $peri")
         }
         else {
-            throw Error("No vacant peripheral slot")
+            throw RuntimeException("Peripheral slot is already taken by: ${peripheralTable[slot]?.tableName}")
         }
     }
 
     fun detachPeripheral(peri: Peripheral) {
-        if (peripheralTable.contains(peri)) {
-            peripheralTable.remove(peri)
+        // search for the peripheral
+        var found = -1
+        for (i in 0..maxPeripherals - 1) {
+            if (peripheralTable[i] == peri) {
+                found = i
+                break
+            }
+        }
+        if (found >= 0) {
+            peripheralTable[found] = null
             println("[TerrarumComputer] unloading peripheral $peri")
         }
         else {
@@ -213,7 +242,6 @@ class TerrarumComputer(peripheralSlots: Int) {
 
         // load every peripheral if we're in DEBUG
         if (DEBUG) {
-            maxPeripherals = 32
             attachPeripheral(PeripheralInternet(this))
             attachPeripheral(PeripheralPSG(this))
             // ...
diff --git a/src/net/torvald/terrarum/virtualcomputer/luaapi/FilesystemTEVD.kt b/src/net/torvald/terrarum/virtualcomputer/luaapi/FilesystemTEVD.kt
index 05bda243d..26e4f3090 100644
--- a/src/net/torvald/terrarum/virtualcomputer/luaapi/FilesystemTEVD.kt
+++ b/src/net/torvald/terrarum/virtualcomputer/luaapi/FilesystemTEVD.kt
@@ -126,9 +126,9 @@ internal class Filesystem(globals: Globals, computer: TerrarumComputer) {
             return "$base$local".replace("//", "/")
         }
 
-        private fun tryBool(action: (Unit) -> Unit): LuaValue {
+        private fun tryBool(action: () -> Unit): LuaValue {
             try {
-                action(Unit)
+                action()
                 return LuaValue.valueOf(true)
             }
             catch (gottaCatchemAll: Exception) {
diff --git a/src/net/torvald/terrarum/worlddrawer/BlocksDrawer.kt b/src/net/torvald/terrarum/worlddrawer/BlocksDrawer.kt
index 731236bf6..52eaddf25 100644
--- a/src/net/torvald/terrarum/worlddrawer/BlocksDrawer.kt
+++ b/src/net/torvald/terrarum/worlddrawer/BlocksDrawer.kt
@@ -13,26 +13,32 @@ import net.torvald.terrarum.worlddrawer.WorldCamera.y
 import net.torvald.terrarum.worlddrawer.WorldCamera.height
 import net.torvald.terrarum.worlddrawer.WorldCamera.width
 import org.lwjgl.BufferUtils
-import org.lwjgl.opengl.GL11
-import org.lwjgl.opengl.GL15
+import org.lwjgl.opengl.*
 import org.newdawn.slick.*
+import java.nio.ByteBuffer
 import java.nio.FloatBuffer
 
 
 /**
  * Created by minjaesong on 16-01-19.
  */
-object BlocksDrawer {
+object BlocksDrawer_NEW {
     private val world: GameWorld = Terrarum.ingame!!.world
     private val TILE_SIZE = FeaturesDrawer.TILE_SIZE
     private val TILE_SIZEF = FeaturesDrawer.TILE_SIZE.toFloat()
 
     // TODO modular
-    val tilesTerrain = SpriteSheet(ModMgr.getPath("basegame", "blocks/terrain.tga.gz"), TILE_SIZE, TILE_SIZE) // 64 MB
+    val tilesTerrain = SpriteSheet(ModMgr.getPath("basegame", "blocks/test.tga.gz"), TILE_SIZE, TILE_SIZE) // 64 MB
     val terrainHorizontalTiles = tilesTerrain.horizontalCount
     val tilesWire = SpriteSheet(ModMgr.getPath("basegame", "blocks/wire.tga.gz"), TILE_SIZE, TILE_SIZE) // 4 MB
     val wireHorizontalTiles = tilesWire.horizontalCount
 
+    val tilesTerrainTexBuffer: ByteBuffer = BufferUtils.createByteBuffer(tilesTerrain.texture.textureData.size)
+    init {
+        tilesTerrainTexBuffer.put(tilesTerrain.texture.textureData)
+        tilesTerrainTexBuffer.rewind()
+    }
+
 
     val tileItemWall = Image(TILE_SIZE * 16, TILE_SIZE * GameWorld.TILES_SUPPORTED / 16) // 4 MB
 
@@ -57,8 +63,8 @@ object BlocksDrawer {
 
 
 
-    val VBO_WIDTH = Terrarum.ingame!!.ZOOM_MIN.inv().times(Terrarum.WIDTH).div(TILE_SIZE).ceil() + 2
-    val VBO_HEIGHT = Terrarum.ingame!!.ZOOM_MIN.inv().times(Terrarum.HEIGHT).div(TILE_SIZE).ceil() + 2
+    val VBO_WIDTH = Terrarum.ingame!!.ZOOM_MIN.inv().times(Terrarum.WIDTH).div(TILE_SIZE).ceil() + 3
+    val VBO_HEIGHT = Terrarum.ingame!!.ZOOM_MIN.inv().times(Terrarum.HEIGHT).div(TILE_SIZE).ceil() + 3
     val cameraTileX: Int
         get() = WorldCamera.x.div(TILE_SIZE)
     val cameraTileY: Int
@@ -108,18 +114,22 @@ object BlocksDrawer {
 
 
         // generate VBO
-        worldVBOTexture = BufferUtils.createFloatBuffer(12 * VBO_WIDTH * VBO_HEIGHT)
-        worldVBOVertex = BufferUtils.createFloatBuffer(12 * VBO_WIDTH * VBO_HEIGHT)
+        worldVBOTexture = BufferUtils.createFloatBuffer(8 * VBO_WIDTH * VBO_HEIGHT)
+        worldVBOVertex = BufferUtils.createFloatBuffer(8 * VBO_WIDTH * VBO_HEIGHT)
 
         for (y in 0..VBO_HEIGHT - 1) {
             for (x in 0..VBO_WIDTH - 1) {
                 val x = x * TILE_SIZEF
                 val y = y * TILE_SIZEF
-                worldVBOVertex.put(floatArrayOf(
+                worldVBOVertex.put(floatArrayOf( // fixed points (triangles); won't need to be re-assigned
+                        //x             , y             ,
+                        //x + TILE_SIZEF, y             ,
+                        //x             , y + TILE_SIZEF,
+                        //x + TILE_SIZEF, y             ,
+                        //x + TILE_SIZEF, y + TILE_SIZEF,
+                        //x             , y + TILE_SIZEF
                         x, y,
                         x + TILE_SIZEF, y,
-                        x, y + TILE_SIZEF,
-                        x + TILE_SIZEF, y,
                         x + TILE_SIZEF, y + TILE_SIZEF,
                         x, y + TILE_SIZEF
                 ))
@@ -129,7 +139,7 @@ object BlocksDrawer {
 
         worldVBOVertexID = GL15.glGenBuffers()
         GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, worldVBOVertexID) //Bind buffer (also specifies type of buffer)
-        GL15.glBufferData(GL15.GL_ARRAY_BUFFER, worldVBOVertex, GL15.GL_DYNAMIC_DRAW) //Send up the data and specify usage hint.
+        GL15.glBufferData(GL15.GL_ARRAY_BUFFER, worldVBOVertex, GL15.GL_STATIC_DRAW) //Send up the data and specify usage hint.
         GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0)
 
         worldVBOTextureID = GL15.glGenBuffers()
@@ -494,7 +504,7 @@ object BlocksDrawer {
                             }
 
                             // draw a breakage
-                            if (mode == TERRAIN || mode == WALL) {
+                            /*if (mode == TERRAIN || mode == WALL) {
                                 val breakage = if (mode == TERRAIN) world.getTerrainDamage(x, y) else world.getWallDamage(x, y)
                                 val maxHealth = BlockCodex[world.getTileFromTerrain(x, y)].strength
                                 val stage = (breakage / maxHealth).times(breakAnimSteps).roundInt()
@@ -503,7 +513,7 @@ object BlocksDrawer {
                                     // alpha blending works, but no GL blend func...
                                     drawTile(mode, x, y, 5 + stage, 0)
                                 }
-                            }
+                            }*/
 
 
                         } // end if (is illuminated)
@@ -534,44 +544,55 @@ object BlocksDrawer {
         }
 
         // draw - fill up the VBO buffer
+        worldVBOTexture.rewind()
         for (y in 0..VBO_HEIGHT - 1) {
             for (x in 0..VBO_WIDTH - 1) {
+                val vx = x * TILE_SIZEF
+                val vy = y * TILE_SIZEF
+
                 val tileID = regionBuffer[y][x]
                 val tileX = (tileID % terrainHorizontalTiles) * TILE_SIZEF
                 val tileY = (tileID / terrainHorizontalTiles) * TILE_SIZEF
-                worldVBOTexture.put(floatArrayOf( // feed GL_TRIANGLE data
-                        tileX, tileY,
-                        tileX + TILE_SIZEF, tileY,
-                        tileX, tileY + TILE_SIZEF,
-                        tileX + TILE_SIZEF, tileY,
-                        tileX + TILE_SIZEF, tileY + TILE_SIZEF,
-                        tileX, tileY + TILE_SIZEF
-                ))
+
+                worldVBOTexture.put(floatArrayOf( // feed GL_TRIANGLE data (note: bottom-left is zero)
+                        Math.random().toFloat(), Math.random().toFloat(),
+                        Math.random().toFloat(), Math.random().toFloat(),
+                        Math.random().toFloat(), Math.random().toFloat(),
+                        Math.random().toFloat(), Math.random().toFloat()
+                        //Math.random().toFloat() * 4096f, Math.random().toFloat() * 4096f,
+                        //Math.random().toFloat() * 4096f, Math.random().toFloat() * 4096f
+                )) // FIXME texCoords are wrong?!
             }
         }
-        worldVBOTexture.rewind()
+
 
         // draw - render the VBO
-        GL11.glBindTexture(GL11.GL_TEXTURE_2D, when (mode) {
+        val texToBind = when (mode) {
             TERRAIN, WALL -> tilesTerrain
             WIRE -> tilesWire
             else -> throw Error("mode not TERRAIN/WALL/WIRE")
-        }.texture.textureID)
+        }.texture
+        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texToBind.textureID)
+        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT)
+        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT)
+
 
         //inGLMatrixStack { // disabled for debugging: won't hotswap
         GL11.glPushMatrix()
 
             GL11.glTranslatef(WorldCamera.x.clampTileSize().toFloat() - TILE_SIZEF, WorldCamera.y.clampTileSize().toFloat(), 0f)
-            //GL11.glTranslatef(0f, 0f, 0f)
-            GL11.glEnableClientState(GL11.GL_VERTEX_ARRAY)
-
-            GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, worldVBOVertexID)
-            GL11.glVertexPointer(2, GL11.GL_FLOAT, 0, 0)
 
+            GL11.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY)
             GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, worldVBOTextureID)
             GL11.glTexCoordPointer(2, GL11.GL_FLOAT, 0, 0)
 
-            GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, 6 * VBO_WIDTH * VBO_HEIGHT)
+            // for some reason, using 2 VBOs are faster -- presumably because you must fill EVERY ELEMENT when you're using java.nio.Buffer
+
+            GL11.glEnableClientState(GL11.GL_VERTEX_ARRAY)
+            GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, worldVBOVertexID)
+            GL11.glVertexPointer(2, GL11.GL_FLOAT, 0, 0)
+
+            GL11.glDrawArrays(GL11.GL_QUADS, 0, 4 * VBO_WIDTH * VBO_HEIGHT)
 
         GL11.glPopMatrix()
         //}
diff --git a/src/net/torvald/terrarum/worlddrawer/BlocksDrawer_old.kt b/src/net/torvald/terrarum/worlddrawer/BlocksDrawer_old.kt
new file mode 100644
index 000000000..d34e4d210
--- /dev/null
+++ b/src/net/torvald/terrarum/worlddrawer/BlocksDrawer_old.kt
@@ -0,0 +1,657 @@
+package net.torvald.terrarum.worlddrawer
+
+import net.torvald.terrarum.gameworld.GameWorld
+import net.torvald.terrarum.gameworld.PairedMapLayer
+import net.torvald.terrarum.blockproperties.Block
+import net.torvald.terrarum.blockproperties.BlockCodex
+import com.jme3.math.FastMath
+import net.torvald.terrarum.*
+import net.torvald.terrarum.gameactors.roundInt
+import net.torvald.terrarum.itemproperties.ItemCodex.ITEM_TILES
+import net.torvald.terrarum.worlddrawer.WorldCamera.x
+import net.torvald.terrarum.worlddrawer.WorldCamera.y
+import net.torvald.terrarum.worlddrawer.WorldCamera.height
+import net.torvald.terrarum.worlddrawer.WorldCamera.width
+import org.lwjgl.opengl.GL11
+import org.newdawn.slick.*
+import org.newdawn.slick.imageout.ImageOut
+
+
+/**
+ * Created by minjaesong on 16-01-19.
+ */
+object BlocksDrawer {
+    private val world: GameWorld = Terrarum.ingame!!.world
+    private val TILE_SIZE = FeaturesDrawer.TILE_SIZE
+    private val TILE_SIZEF = FeaturesDrawer.TILE_SIZE.toFloat()
+
+    // TODO modular
+    val tilesTerrain = SpriteSheet(ModMgr.getPath("basegame", "blocks/terrain.tga.gz"), TILE_SIZE, TILE_SIZE) // 64 MB
+    val tilesWire = SpriteSheet(ModMgr.getPath("basegame", "blocks/wire.tga.gz"), TILE_SIZE, TILE_SIZE) // 4 MB
+
+
+    val tileItemWall = Image(TILE_SIZE * 16, TILE_SIZE * GameWorld.TILES_SUPPORTED / 16) // 4 MB
+
+
+    val wallOverlayColour = Color(2f/3f, 2f/3f, 2f/3f, 1f)
+
+    val breakAnimSteps = 10
+
+    val WALL = GameWorld.WALL
+    val TERRAIN = GameWorld.TERRAIN
+    val WIRE = GameWorld.WIRE
+
+    private val NEARBY_TILE_KEY_UP = 0
+    private val NEARBY_TILE_KEY_RIGHT = 1
+    private val NEARBY_TILE_KEY_DOWN = 2
+    private val NEARBY_TILE_KEY_LEFT = 3
+
+    private val NEARBY_TILE_CODE_UP = 1
+    private val NEARBY_TILE_CODE_RIGHT = 2
+    private val NEARBY_TILE_CODE_DOWN = 4
+    private val NEARBY_TILE_CODE_LEFT = 8
+
+
+    init {
+        val tg = tileItemWall.graphics
+
+        // initialise item_wall images
+        (ITEM_TILES).forEach {
+            tg.drawImage(
+                    tilesTerrain.getSubImage(
+                            (it % 16) * 16,
+                            (it / 16)
+                    ),
+                    (it % 16) * TILE_SIZE.toFloat(),
+                    (it / 16) * TILE_SIZE.toFloat(),
+                    wallOverlayColour
+            )
+        }
+
+        //tg.flush()
+        //ImageOut.write(tileItemWall, "./tileitemwalltest.png")
+
+        tg.destroy()
+    }
+
+
+    /**
+     * Connectivity group 01 : artificial tiles
+     * It holds different shading rule to discriminate with group 02, index 0 is single tile.
+     * These are the tiles that only connects to itself, will not connect to colour variants
+     */
+    private val TILES_CONNECT_SELF = hashSetOf(
+            Block.GLASS_CRUDE,
+            Block.GLASS_CLEAN,
+            Block.ILLUMINATOR_BLACK,
+            Block.ILLUMINATOR_BLUE,
+            Block.ILLUMINATOR_BROWN,
+            Block.ILLUMINATOR_CYAN,
+            Block.ILLUMINATOR_FUCHSIA,
+            Block.ILLUMINATOR_GREEN,
+            Block.ILLUMINATOR_GREEN_DARK,
+            Block.ILLUMINATOR_GREY_DARK,
+            Block.ILLUMINATOR_GREY_LIGHT,
+            Block.ILLUMINATOR_GREY_MED,
+            Block.ILLUMINATOR_ORANGE,
+            Block.ILLUMINATOR_PURPLE,
+            Block.ILLUMINATOR_RED,
+            Block.ILLUMINATOR_TAN,
+            Block.ILLUMINATOR_WHITE,
+            Block.ILLUMINATOR_YELLOW,
+            Block.ILLUMINATOR_BLACK_OFF,
+            Block.ILLUMINATOR_BLUE_OFF,
+            Block.ILLUMINATOR_BROWN_OFF,
+            Block.ILLUMINATOR_CYAN_OFF,
+            Block.ILLUMINATOR_FUCHSIA_OFF,
+            Block.ILLUMINATOR_GREEN_OFF,
+            Block.ILLUMINATOR_GREEN_DARK_OFF,
+            Block.ILLUMINATOR_GREY_DARK_OFF,
+            Block.ILLUMINATOR_GREY_LIGHT_OFF,
+            Block.ILLUMINATOR_GREY_MED_OFF,
+            Block.ILLUMINATOR_ORANGE_OFF,
+            Block.ILLUMINATOR_PURPLE_OFF,
+            Block.ILLUMINATOR_RED_OFF,
+            Block.ILLUMINATOR_TAN_OFF,
+            Block.ILLUMINATOR_WHITE_OFF,
+            Block.ILLUMINATOR_YELLOW,
+            Block.DAYLIGHT_CAPACITOR
+    )
+
+    /**
+     * To interact with external modules
+     */
+    @JvmStatic fun addConnectSelf(blockID: Int): Boolean {
+        return TILES_CONNECT_SELF.add(blockID)
+    }
+
+    /**
+     * Connectivity group 02 : natural tiles
+     * It holds different shading rule to discriminate with group 01, index 0 is middle tile.
+     */
+    private val TILES_CONNECT_MUTUAL = hashSetOf(
+            Block.STONE,
+            Block.STONE_QUARRIED,
+            Block.STONE_TILE_WHITE,
+            Block.STONE_BRICKS,
+            Block.DIRT,
+            Block.GRASS,
+            Block.GRASSWALL,
+            Block.PLANK_BIRCH,
+            Block.PLANK_BLOODROSE,
+            Block.PLANK_EBONY,
+            Block.PLANK_NORMAL,
+            Block.SAND,
+            Block.SAND_WHITE,
+            Block.SAND_RED,
+            Block.SAND_DESERT,
+            Block.SAND_BLACK,
+            Block.SAND_GREEN,
+            Block.GRAVEL,
+            Block.GRAVEL_GREY,
+            Block.SNOW,
+            Block.ICE_NATURAL,
+            Block.ICE_MAGICAL,
+            Block.ORE_COPPER,
+            Block.ORE_IRON,
+            Block.ORE_GOLD,
+            Block.ORE_SILVER,
+            Block.ORE_ILMENITE,
+            Block.ORE_AURICHALCUM,
+
+            Block.SANDSTONE,
+            Block.SANDSTONE_BLACK,
+            Block.SANDSTONE_DESERT,
+            Block.SANDSTONE_RED,
+            Block.SANDSTONE_WHITE,
+            Block.SANDSTONE_GREEN,
+
+            Block.WATER,
+            Block.WATER_1,
+            Block.WATER_2,
+            Block.WATER_3,
+            Block.WATER_4,
+            Block.WATER_5,
+            Block.WATER_6,
+            Block.WATER_7,
+            Block.WATER_8,
+            Block.WATER_9,
+            Block.WATER_10,
+            Block.WATER_11,
+            Block.WATER_12,
+            Block.WATER_13,
+            Block.WATER_14,
+            Block.WATER_15,
+            Block.LAVA,
+            Block.LAVA_1,
+            Block.LAVA_2,
+            Block.LAVA_3,
+            Block.LAVA_4,
+            Block.LAVA_5,
+            Block.LAVA_6,
+            Block.LAVA_7,
+            Block.LAVA_8,
+            Block.LAVA_9,
+            Block.LAVA_10,
+            Block.LAVA_11,
+            Block.LAVA_12,
+            Block.LAVA_13,
+            Block.LAVA_14,
+            Block.LAVA_15
+    )
+
+    /**
+     * To interact with external modules
+     */
+    @JvmStatic fun addConnectMutual(blockID: Int): Boolean {
+        return TILES_CONNECT_MUTUAL.add(blockID)
+    }
+
+    /**
+     * Torches, levers, switches, ...
+     */
+    private val TILES_WALL_STICKER = hashSetOf(
+            Block.TORCH,
+            Block.TORCH_FROST,
+            Block.TORCH_OFF,
+            Block.TORCH_FROST_OFF
+    )
+
+    /**
+     * To interact with external modules
+     */
+    @JvmStatic fun addWallSticker(blockID: Int): Boolean {
+        return TILES_WALL_STICKER.add(blockID)
+    }
+
+    /**
+     * platforms, ...
+     */
+    private val TILES_WALL_STICKER_CONNECT_SELF = hashSetOf(
+            Block.PLATFORM_BIRCH,
+            Block.PLATFORM_BLOODROSE,
+            Block.PLATFORM_EBONY,
+            Block.PLATFORM_STONE,
+            Block.PLATFORM_WOODEN
+    )
+
+    /**
+     * To interact with external modules
+     */
+    @JvmStatic fun addWallStickerConnectSelf(blockID: Int): Boolean {
+        return TILES_WALL_STICKER_CONNECT_SELF.add(blockID)
+    }
+
+    /**
+     * Tiles that half-transparent and has hue
+     * will blend colour using colour multiplication
+     * i.e. red hues get lost if you dive into the water
+     */
+    private val TILES_BLEND_MUL = hashSetOf(
+            Block.WATER,
+            Block.WATER_1,
+            Block.WATER_2,
+            Block.WATER_3,
+            Block.WATER_4,
+            Block.WATER_5,
+            Block.WATER_6,
+            Block.WATER_7,
+            Block.WATER_8,
+            Block.WATER_9,
+            Block.WATER_10,
+            Block.WATER_11,
+            Block.WATER_12,
+            Block.WATER_13,
+            Block.WATER_14,
+            Block.WATER_15,
+            Block.LAVA,
+            Block.LAVA_1,
+            Block.LAVA_2,
+            Block.LAVA_3,
+            Block.LAVA_4,
+            Block.LAVA_5,
+            Block.LAVA_6,
+            Block.LAVA_7,
+            Block.LAVA_8,
+            Block.LAVA_9,
+            Block.LAVA_10,
+            Block.LAVA_11,
+            Block.LAVA_12,
+            Block.LAVA_13,
+            Block.LAVA_14,
+            Block.LAVA_15
+    )
+
+    /**
+     * To interact with external modules
+     */
+    @JvmStatic fun addBlendMul(blockID: Int): Boolean {
+        return TILES_BLEND_MUL.add(blockID)
+    }
+
+
+
+
+    fun renderWall(g: Graphics) {
+        /**
+         * render to camera
+         */
+        blendNormal()
+
+        tilesTerrain.startUse()
+        drawTiles(g, WALL, false)
+        tilesTerrain.endUse()
+
+        blendMul()
+
+        g.color = wallOverlayColour
+        g.fillRect(WorldCamera.x.toFloat(), WorldCamera.y.toFloat(),
+                WorldCamera.width.toFloat() + 1, WorldCamera.height.toFloat() + 1
+        )
+
+        blendNormal()
+    }
+
+    fun renderTerrain(g: Graphics) {
+        /**
+         * render to camera
+         */
+        blendNormal()
+
+        tilesTerrain.startUse()
+        drawTiles(g, TERRAIN, false) // regular tiles
+        tilesTerrain.endUse()
+    }
+
+    fun renderFront(g: Graphics, drawWires: Boolean) {
+        /**
+         * render to camera
+         */
+        blendMul()
+
+        tilesTerrain.startUse()
+        drawTiles(g, TERRAIN, true) // blendmul tiles
+        tilesTerrain.endUse()
+
+        if (drawWires) {
+            tilesWire.startUse()
+            drawTiles(g, WIRE, false)
+            tilesWire.endUse()
+        }
+
+        blendNormal()
+    }
+
+    private val tileDrawLightThreshold = 2
+
+    private fun drawTiles(g: Graphics, mode: Int, drawModeTilesBlendMul: Boolean) {
+        val for_y_start = y / TILE_SIZE
+        val for_y_end = BlocksDrawer.clampHTile(for_y_start + (height / TILE_SIZE) + 2)
+
+        val for_x_start = x / TILE_SIZE - 1
+        val for_x_end = for_x_start + (width / TILE_SIZE) + 3
+
+        var zeroTileCounter = 0
+
+        // loop
+        for (y in for_y_start..for_y_end) {
+            for (x in for_x_start..for_x_end - 1) {
+
+                val thisTile: Int?
+                if (mode % 3 == WALL)
+                    thisTile = world.getTileFromWall(x, y)
+                else if (mode % 3 == TERRAIN)
+                    thisTile = world.getTileFromTerrain(x, y)
+                else if (mode % 3 == WIRE)
+                    thisTile = world.getTileFromWire(x, y)
+                else
+                    throw IllegalArgumentException()
+
+                val noDamageLayer = mode % 3 == WIRE
+
+                // draw a tile, but only when illuminated
+                try {
+                    if ((mode == WALL || mode == TERRAIN) &&  // not an air tile
+                        (thisTile ?: 0) != Block.AIR) {
+                    // check if light level of nearby or this tile is illuminated
+                        if ( LightmapRenderer.getHighestRGB(x, y) ?: 0 >= tileDrawLightThreshold ||
+                             LightmapRenderer.getHighestRGB(x - 1, y) ?: 0 >= tileDrawLightThreshold ||
+                             LightmapRenderer.getHighestRGB(x + 1, y) ?: 0 >= tileDrawLightThreshold ||
+                             LightmapRenderer.getHighestRGB(x, y - 1) ?: 0 >= tileDrawLightThreshold ||
+                             LightmapRenderer.getHighestRGB(x, y + 1) ?: 0 >= tileDrawLightThreshold ||
+                             LightmapRenderer.getHighestRGB(x - 1, y - 1) ?: 0 >= tileDrawLightThreshold ||
+                             LightmapRenderer.getHighestRGB(x + 1, y + 1) ?: 0 >= tileDrawLightThreshold ||
+                             LightmapRenderer.getHighestRGB(x + 1, y - 1) ?: 0 >= tileDrawLightThreshold ||
+                             LightmapRenderer.getHighestRGB(x - 1, y + 1) ?: 0 >= tileDrawLightThreshold) {
+                            // blackness
+                            if (zeroTileCounter > 0) {
+                                /* unable to do anything */
+
+                                zeroTileCounter = 0
+                            }
+
+
+                            val nearbyTilesInfo: Int
+                            if (isPlatform(thisTile)) {
+                                nearbyTilesInfo = getNearbyTilesInfoPlatform(x, y)
+                            }
+                            else if (isWallSticker(thisTile)) {
+                                nearbyTilesInfo = getNearbyTilesInfoWallSticker(x, y)
+                            }
+                            else if (isConnectMutual(thisTile)) {
+                                nearbyTilesInfo = getNearbyTilesInfoNonSolid(x, y, mode)
+                            }
+                            else if (isConnectSelf(thisTile)) {
+                                nearbyTilesInfo = getNearbyTilesInfo(x, y, mode, thisTile)
+                            }
+                            else {
+                                nearbyTilesInfo = 0
+                            }
+
+
+                            val thisTileX = if (!noDamageLayer)
+                                PairedMapLayer.RANGE * ((thisTile ?: 0) % PairedMapLayer.RANGE) + nearbyTilesInfo
+                            else
+                                nearbyTilesInfo
+
+                            val thisTileY = (thisTile ?: 0) / PairedMapLayer.RANGE
+
+
+                            // draw a tile
+                            if (drawModeTilesBlendMul) {
+                                if (BlocksDrawer.isBlendMul(thisTile)) {
+                                    drawTile(mode, x, y, thisTileX, thisTileY)
+                                }
+                            }
+                            else {
+                                // do NOT add "if (!isBlendMul(thisTile))"!
+                                // or else they will not look like they should be when backed with wall
+                                drawTile(mode, x, y, thisTileX, thisTileY)
+                            }
+
+                            // draw a breakage
+                            if (mode == TERRAIN || mode == WALL) {
+                                val breakage = if (mode == TERRAIN) world.getTerrainDamage(x, y) else world.getWallDamage(x, y)
+                                val maxHealth = BlockCodex[world.getTileFromTerrain(x, y)].strength
+                                val stage = (breakage / maxHealth).times(breakAnimSteps).roundInt()
+                                // actual drawing
+                                if (stage > 0) {
+                                    // alpha blending works, but no GL blend func...
+                                    drawTile(mode, x, y, 5 + stage, 0)
+                                }
+                            }
+
+
+                        } // end if (is illuminated)
+                        // draw black patch
+                        else {
+                            zeroTileCounter++ // unused for now
+
+                            GL11.glColor4f(0f, 0f, 0f, 1f)
+
+                            GL11.glTexCoord2f(0f, 0f)
+                            GL11.glVertex3f(x * TILE_SIZE.toFloat(), y * TILE_SIZE.toFloat(), 0f)
+                            GL11.glTexCoord2f(0f, 0f + TILE_SIZE)
+                            GL11.glVertex3f(x * TILE_SIZE.toFloat(), (y + 1) * TILE_SIZE.toFloat(), 0f)
+                            GL11.glTexCoord2f(0f + TILE_SIZE, 0f + TILE_SIZE)
+                            GL11.glVertex3f((x + 1) * TILE_SIZE.toFloat(), (y + 1) * TILE_SIZE.toFloat(), 0f)
+                            GL11.glTexCoord2f(0f + TILE_SIZE, 0f)
+                            GL11.glVertex3f((x + 1) * TILE_SIZE.toFloat(), y * TILE_SIZE.toFloat(), 0f)
+
+                            GL11.glColor4f(1f, 1f, 1f, 1f)
+                        }
+                    } // end if (not an air)
+                } catch (e: NullPointerException) {
+                    // do nothing. WARNING: This exception handling may hide erratic behaviour completely.
+                }
+
+            }
+        }
+    }
+
+    /**
+
+     * @param x
+     * *
+     * @param y
+     * *
+     * @return binary [0-15] 1: up, 2: right, 4: down, 8: left
+     */
+    fun getNearbyTilesInfo(x: Int, y: Int, mode: Int, mark: Int?): Int {
+        val nearbyTiles = IntArray(4)
+        nearbyTiles[NEARBY_TILE_KEY_LEFT] = world.getTileFrom(mode, x - 1, y) ?: Block.NULL
+        nearbyTiles[NEARBY_TILE_KEY_RIGHT] = world.getTileFrom(mode, x + 1, y) ?: Block.NULL
+        nearbyTiles[NEARBY_TILE_KEY_UP] = world.getTileFrom(mode, x    , y - 1) ?: 4906
+        nearbyTiles[NEARBY_TILE_KEY_DOWN] = world.getTileFrom(mode, x    , y + 1) ?: Block.NULL
+
+        // try for
+        var ret = 0
+        for (i in 0..3) {
+            if (nearbyTiles[i] == mark) {
+                ret += 1 shl i // add 1, 2, 4, 8 for i = 0, 1, 2, 3
+            }
+        }
+
+        return ret
+    }
+
+    fun getNearbyTilesInfoNonSolid(x: Int, y: Int, mode: Int): Int {
+        val nearbyTiles = IntArray(4)
+        nearbyTiles[NEARBY_TILE_KEY_LEFT] = world.getTileFrom(mode, x - 1, y) ?: Block.NULL
+        nearbyTiles[NEARBY_TILE_KEY_RIGHT] = world.getTileFrom(mode, x + 1, y) ?: Block.NULL
+        nearbyTiles[NEARBY_TILE_KEY_UP] = world.getTileFrom(mode, x    , y - 1) ?: 4906
+        nearbyTiles[NEARBY_TILE_KEY_DOWN] = world.getTileFrom(mode, x    , y + 1) ?: Block.NULL
+
+        // try for
+        var ret = 0
+        for (i in 0..3) {
+            try {
+                if (!BlockCodex[nearbyTiles[i]].isSolid &&
+                    !BlockCodex[nearbyTiles[i]].isFluid) {
+                    ret += (1 shl i) // add 1, 2, 4, 8 for i = 0, 1, 2, 3
+                }
+            } catch (e: ArrayIndexOutOfBoundsException) {
+            }
+
+        }
+
+        return ret
+    }
+
+    fun getNearbyTilesInfoWallSticker(x: Int, y: Int): Int {
+        val nearbyTiles = IntArray(4)
+        val NEARBY_TILE_KEY_BACK = NEARBY_TILE_KEY_UP
+        nearbyTiles[NEARBY_TILE_KEY_LEFT] = world.getTileFrom(TERRAIN, x - 1, y) ?: Block.NULL
+        nearbyTiles[NEARBY_TILE_KEY_RIGHT] = world.getTileFrom(TERRAIN, x + 1, y) ?: Block.NULL
+        nearbyTiles[NEARBY_TILE_KEY_DOWN] = world.getTileFrom(TERRAIN, x    , y + 1) ?: Block.NULL
+        nearbyTiles[NEARBY_TILE_KEY_BACK] = world.getTileFrom(WALL,    x    , y) ?: Block.NULL
+
+        try {
+            if (BlockCodex[nearbyTiles[NEARBY_TILE_KEY_DOWN]].isSolid)
+                // has tile on the bottom
+                return 3
+            else if (BlockCodex[nearbyTiles[NEARBY_TILE_KEY_RIGHT]].isSolid
+                     && BlockCodex[nearbyTiles[NEARBY_TILE_KEY_LEFT]].isSolid)
+                // has tile on both sides
+                return 0
+            else if (BlockCodex[nearbyTiles[NEARBY_TILE_KEY_RIGHT]].isSolid)
+                // has tile on the right
+                return 2
+            else if (BlockCodex[nearbyTiles[NEARBY_TILE_KEY_LEFT]].isSolid)
+                // has tile on the left
+                return 1
+            else if (BlockCodex[nearbyTiles[NEARBY_TILE_KEY_BACK]].isSolid)
+                // has tile on the back
+                return 0
+            else
+                return 3
+        } catch (e: ArrayIndexOutOfBoundsException) {
+            return if (BlockCodex[nearbyTiles[NEARBY_TILE_KEY_DOWN]].isSolid)
+                // has tile on the bottom
+                3 else 0
+        }
+    }
+
+    fun getNearbyTilesInfoPlatform(x: Int, y: Int): Int {
+        val nearbyTiles = IntArray(4)
+        nearbyTiles[NEARBY_TILE_KEY_LEFT] = world.getTileFrom(TERRAIN, x - 1, y) ?: Block.NULL
+        nearbyTiles[NEARBY_TILE_KEY_RIGHT] = world.getTileFrom(TERRAIN, x + 1, y) ?: Block.NULL
+
+        if ((BlockCodex[nearbyTiles[NEARBY_TILE_KEY_LEFT]].isSolid &&
+             BlockCodex[nearbyTiles[NEARBY_TILE_KEY_RIGHT]].isSolid) ||
+            isPlatform(nearbyTiles[NEARBY_TILE_KEY_LEFT]) &&
+            isPlatform(nearbyTiles[NEARBY_TILE_KEY_RIGHT])) // LR solid || LR platform
+            return 0
+        else if (BlockCodex[nearbyTiles[NEARBY_TILE_KEY_LEFT]].isSolid &&
+                 !isPlatform(nearbyTiles[NEARBY_TILE_KEY_LEFT]) &&
+                 !BlockCodex[nearbyTiles[NEARBY_TILE_KEY_RIGHT]].isSolid &&
+                 !isPlatform(nearbyTiles[NEARBY_TILE_KEY_RIGHT])) // L solid and not platform && R not solid and not platform
+            return 4
+        else if (BlockCodex[nearbyTiles[NEARBY_TILE_KEY_RIGHT]].isSolid &&
+                 !isPlatform(nearbyTiles[NEARBY_TILE_KEY_RIGHT]) &&
+                 !BlockCodex[nearbyTiles[NEARBY_TILE_KEY_LEFT]].isSolid &&
+                 !isPlatform(nearbyTiles[NEARBY_TILE_KEY_LEFT])) // R solid and not platform && L not solid and nto platform
+            return 6
+        else if (BlockCodex[nearbyTiles[NEARBY_TILE_KEY_LEFT]].isSolid &&
+                 !isPlatform(nearbyTiles[NEARBY_TILE_KEY_LEFT])) // L solid && L not platform
+            return 3
+        else if (BlockCodex[nearbyTiles[NEARBY_TILE_KEY_RIGHT]].isSolid &&
+                 !isPlatform(nearbyTiles[NEARBY_TILE_KEY_RIGHT])) // R solid && R not platform
+            return 5
+        else if ((BlockCodex[nearbyTiles[NEARBY_TILE_KEY_LEFT]].isSolid ||
+                  isPlatform(nearbyTiles[NEARBY_TILE_KEY_LEFT])) &&
+                 !BlockCodex[nearbyTiles[NEARBY_TILE_KEY_RIGHT]].isSolid &&
+                 !isPlatform(nearbyTiles[NEARBY_TILE_KEY_RIGHT])) // L solid or platform && R not solid and not platform
+            return 1
+        else if ((BlockCodex[nearbyTiles[NEARBY_TILE_KEY_RIGHT]].isSolid ||
+                  isPlatform(nearbyTiles[NEARBY_TILE_KEY_RIGHT])) &&
+                 !BlockCodex[nearbyTiles[NEARBY_TILE_KEY_LEFT]].isSolid &&
+                 !isPlatform(nearbyTiles[NEARBY_TILE_KEY_LEFT])) // R solid or platform && L not solid and not platform
+            return 2
+        else
+            return 7
+    }
+
+    private fun drawTile(mode: Int, tilewisePosX: Int, tilewisePosY: Int, sheetX: Int, sheetY: Int) {
+        if (mode == TERRAIN || mode == WALL)
+            tilesTerrain.renderInUse(
+                    FastMath.floor((tilewisePosX * TILE_SIZE).toFloat()),
+                    FastMath.floor((tilewisePosY * TILE_SIZE).toFloat()),
+                    sheetX, sheetY
+            )
+        else if (mode == WIRE)
+            tilesWire.renderInUse(
+                    FastMath.floor((tilewisePosX * TILE_SIZE).toFloat()),
+                    FastMath.floor((tilewisePosY * TILE_SIZE).toFloat()),
+                    sheetX, sheetY
+            )
+        else
+            throw IllegalArgumentException()
+    }
+
+    fun clampH(x: Int): Int {
+        if (x < 0) {
+            return 0
+        } else if (x > world.height * TILE_SIZE) {
+            return world.height * TILE_SIZE
+        } else {
+            return x
+        }
+    }
+
+    fun clampWTile(x: Int): Int {
+        if (x < 0) {
+            return 0
+        } else if (x > world.width) {
+            return world.width
+        } else {
+            return x
+        }
+    }
+
+    fun clampHTile(x: Int): Int {
+        if (x < 0) {
+            return 0
+        } else if (x > world.height) {
+            return world.height
+        } else {
+            return x
+        }
+    }
+
+    fun getRenderStartX(): Int = x / TILE_SIZE
+    fun getRenderStartY(): Int = y / TILE_SIZE
+
+    fun getRenderEndX(): Int = clampWTile(getRenderStartX() + (width / TILE_SIZE) + 2)
+    fun getRenderEndY(): Int = clampHTile(getRenderStartY() + (height / TILE_SIZE) + 2)
+
+    fun isConnectSelf(b: Int?): Boolean = TILES_CONNECT_SELF.contains(b)
+    fun isConnectMutual(b: Int?): Boolean = TILES_CONNECT_MUTUAL.contains(b)
+    fun isWallSticker(b: Int?): Boolean = TILES_WALL_STICKER.contains(b)
+    fun isPlatform(b: Int?): Boolean = TILES_WALL_STICKER_CONNECT_SELF.contains(b)
+    fun isBlendMul(b: Int?): Boolean = TILES_BLEND_MUL.contains(b)
+
+    fun tileInCamera(x: Int, y: Int) =
+            x >= WorldCamera.x.div(TILE_SIZE) && y >= WorldCamera.y.div(TILE_SIZE) &&
+            x <= WorldCamera.x.plus(width).div(TILE_SIZE) && y <= WorldCamera.y.plus(width).div(TILE_SIZE)
+}
diff --git a/src/net/torvald/terrarum/worlddrawer/LightmapRenderer.kt b/src/net/torvald/terrarum/worlddrawer/LightmapRenderer.kt
index dcb833b90..eb6fed58e 100644
--- a/src/net/torvald/terrarum/worlddrawer/LightmapRenderer.kt
+++ b/src/net/torvald/terrarum/worlddrawer/LightmapRenderer.kt
@@ -7,8 +7,6 @@ import com.jme3.math.FastMath
 import net.torvald.terrarum.gameactors.ActorWithPhysics
 import net.torvald.terrarum.gameworld.GameWorld
 import net.torvald.terrarum.blockproperties.Block
-import net.torvald.terrarum.gamecontroller.Key
-import net.torvald.terrarum.gamecontroller.KeyToggler
 import org.newdawn.slick.Color
 import org.newdawn.slick.Graphics
 import java.util.*
@@ -20,12 +18,15 @@ import java.util.*
 object LightmapRenderer {
     private val world: GameWorld = Terrarum.ingame!!.world
 
+
+    // TODO if (VBO works on BlocksDrawer) THEN overscan of 256, utilise same technique in here
+
     val overscan_open: Int = Math.min(32, 256f.div(BlockCodex[Block.AIR].opacity and 0xFF).ceil())
     val overscan_opaque: Int = Math.min(8, 256f.div(BlockCodex[Block.STONE].opacity and 0xFF).ceil())
 
-    private val LIGHTMAP_WIDTH = Terrarum.ingame!!.ZOOM_MIN.inv().times(Terrarum.WIDTH)
+    val LIGHTMAP_WIDTH = Terrarum.ingame!!.ZOOM_MIN.inv().times(Terrarum.WIDTH)
             .div(FeaturesDrawer.TILE_SIZE).ceil() + overscan_open * 2 + 3
-    private val LIGHTMAP_HEIGHT = Terrarum.ingame!!.ZOOM_MIN.inv().times(Terrarum.HEIGHT)
+    val LIGHTMAP_HEIGHT = Terrarum.ingame!!.ZOOM_MIN.inv().times(Terrarum.HEIGHT)
             .div(FeaturesDrawer.TILE_SIZE).ceil() + overscan_open * 2 + 3
 
     /**
@@ -215,8 +216,8 @@ object LightmapRenderer {
             if (it is Luminous && it is ActorWithPhysics) {
                 // put lanterns to the area the luminantBox is occupying
                 for (lightBox in it.lightBoxList) {
-                    val lightBoxX = it.hitbox.posX + lightBox.posX
-                    val lightBoxY = it.hitbox.posY + lightBox.posY
+                    val lightBoxX = it.hitbox.startX + lightBox.startX
+                    val lightBoxY = it.hitbox.startY + lightBox.startY
                     val lightBoxW = lightBox.width
                     val lightBoxH = lightBox.height
                     for (y in lightBoxY.div(TILE_SIZE).floorInt()
@@ -364,10 +365,7 @@ object LightmapRenderer {
 
                             for (iy in 0..1) {
                                 for (ix in 0..1) {
-                                    g.color = if (KeyToggler.isOn(Key.F9))
-                                        colourMapItoL[iy * 2 + ix].normaliseToColourHDR()
-                                    else
-                                        colourMapItoL[iy * 2 + ix].normaliseToColour()
+                                    g.color = colourMapItoL[iy * 2 + ix].normaliseToColourHDR()
 
 
                                     g.fillRect(
@@ -395,10 +393,7 @@ object LightmapRenderer {
                                 if (x + sameLevelCounter >= this_x_end) break
                             }
 
-                            g.color = if (KeyToggler.isOn(Key.F9))
-                                (getLight(x, y) ?: 0).normaliseToColourHDR()
-                            else
-                                (getLight(x, y) ?: 0).normaliseToColour()
+                            g.color = (getLight(x, y) ?: 0).normaliseToColourHDR()
 
                             g.fillRect(
                                     (x.toFloat() * TILE_SIZE).round().toFloat(),
diff --git a/work_files/graphics/fonts/thai_variable.psd b/work_files/graphics/fonts/thai_variable.psd
new file mode 100644
index 000000000..9fd55b642
--- /dev/null
+++ b/work_files/graphics/fonts/thai_variable.psd
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:201914522e676b352db0c077dc8e1b4d184931e2f55d189e10c5dd5fc9210bef
+size 123843