font bug sorta fixed, new splash: warning health and safety

Former-commit-id: f79503873f57e781480fa742ed1a058becb6c7a1
Former-commit-id: daeeed816b339958786746c3717670c724676a44

assets/raw/weathers/WeatherGenericRain.json.asrtinears

@@ -0,0 +1,10 @@
+{
+  "globalLight": "generic_light.png",
+  "skyboxGradColourMap": "generic_skybox.png",
+  "classification": "genericrain",
+  "extraImages": [
+    "raindrop.png"
+  ],
+  "mixFrom": "__CURRENTWEATHER",
+  "mixPercentage": 80.0
+}

assets/sounds/test/.gitattributes

@@ -0,0 +1 @@
+*.{psd,tga,ogg} filter=lfs diff=lfs merge=lfs -text

src/net/torvald/imagefont/GameFontBase.kt

@@ -154,11 +154,6 @@ constructor() : Font {
     private val zeroWidthSheets = arrayOf(
             SHEET_COLOURCODE
     )
-    private val cjkWidthSheets = arrayOf(
-            SHEET_KANA,
-            SHEET_HANGUL,
-            SHEET_CJK_PUNCT
-    )
 
 
     override fun getWidth(s: String) = getWidthSubstr(s, s.length)
@@ -168,8 +163,8 @@ constructor() : Font {
         for (i in 0..endIndex - 1) {
             val ctype = getSheetType(s[i])
 
-            if (i > 0 && s[i].toInt() > 0x20) {
+            /*if (i > 0 && s[i].toInt() > 0x20) {
-                // Unihan-hangul Kerning
+                // inter-Unihan-hangul Kerning
                 val cpre = getSheetType(s[i - 1])
                 if ((unihanWidthSheets.contains(cpre) || cpre == SHEET_HANGUL) && !(unihanWidthSheets.contains(ctype) || ctype == SHEET_HANGUL)
 
@@ -182,18 +177,22 @@ constructor() : Font {
                     len += 1
                 }
 
-            }
+            }*/
 
             if (zeroWidthSheets.contains(ctype))
                 len += 0
             else if (narrowWidthSheets.contains(ctype))
                 len += W_LATIN_NARROW
-            else if (cjkWidthSheets.contains(ctype))
+            else if (ctype == SHEET_CJK_PUNCT)
-                len += W_CJK
+                len += W_ASIAN_PUNCT
+            else if (ctype == SHEET_HANGUL)
+                len += W_HANGUL
+            else if (ctype == SHEET_KANA)
+                len += W_KANA
             else if (unihanWidthSheets.contains(ctype))
                 len += W_UNIHAN
             else if (isThaiDiacritics(s[i]))
-                len = len // set width of the glyph as -W_LATIN_WIDE
+                len += 0 // set width of the glyph as -W_LATIN_WIDE
             else
                 len += W_LATIN_WIDE
 
@@ -237,7 +236,7 @@ constructor() : Font {
                 val jungRow = getHanMedialRow(hIndex)
                 val jongRow = getHanFinalRow(hIndex)
 
-                val glyphW = getWidth("" + ch)
+                val glyphW = getWidth(ch.toString())
 
                 /*// initials
                 hangulSheet.renderInUse(
@@ -453,11 +452,11 @@ constructor() : Font {
                             sheetX, sheetY
                     )*/
                     sheetKey[prevInstance]!!.getSubImage(sheetX, sheetY).draw(
-                            Math.round(x + getWidthSubstr(s, i + 1) - glyphW).toFloat() // Interchar: pull punct right next to hangul to the left
+                            Math.round(x + getWidthSubstr(s, i + 1) - glyphW).toFloat(),
-                            + if (i > 0 && isHangul(s[i - 1])) -3f
-                            else 0f,
 
+                            // to deal with the height difference of the sheets
                             Math.round(y).toFloat() + (if (prevInstance == SHEET_CJK_PUNCT) -1
+
                             else if (prevInstance == SHEET_FW_UNI) (H - H_HANGUL) / 2
                             else 0).toFloat(),
 
@@ -589,10 +588,13 @@ constructor() : Font {
         internal val JUNG_COUNT = 21
         internal val JONG_COUNT = 28
 
-        internal val W_CJK = 10
+        internal val W_ASIAN_PUNCT = 10
+        internal val W_HANGUL = 11
+        internal val W_KANA = 12
         internal val W_UNIHAN = 16
         internal val W_LATIN_WIDE = 9 // width of regular letters, including m
         internal val W_LATIN_NARROW = 5 // width of letter f, t, i, l
+
         internal val H = 20
         internal val H_HANGUL = 16
         internal val H_UNIHAN = 16

src/net/torvald/imagefont/GameFontWhite.kt

@@ -12,7 +12,7 @@ constructor() : GameFontBase() {
     init {
 
         GameFontBase.hangulSheet = SpriteSheet(
-                "./assets/graphics/fonts/han_johab.png", GameFontBase.W_CJK, GameFontBase.H_HANGUL)
+                "./assets/graphics/fonts/han_johab.png", GameFontBase.W_HANGUL, GameFontBase.H_HANGUL)
         GameFontBase.asciiSheet = SpriteSheet(
                 "./assets/graphics/fonts/ascii_fullwidth.png", GameFontBase.W_LATIN_WIDE, GameFontBase.H)
         GameFontBase.asciiSheetEF = SpriteSheet(
@@ -24,9 +24,9 @@ constructor() : GameFontBase() {
         GameFontBase.extASheetEF = SpriteSheet(
                 "./assets/graphics/fonts/LatinExtA_ef.png", GameFontBase.W_LATIN_NARROW, GameFontBase.H)
         GameFontBase.kanaSheet = SpriteSheet(
-                "./assets/graphics/fonts/kana.png", GameFontBase.W_CJK, GameFontBase.H_KANA)
+                "./assets/graphics/fonts/kana.png", GameFontBase.W_KANA, GameFontBase.H_KANA)
         GameFontBase.cjkPunct = SpriteSheet(
-                "./assets/graphics/fonts/cjkpunct.png", GameFontBase.W_CJK, GameFontBase.H_KANA)
+                "./assets/graphics/fonts/cjkpunct.png", GameFontBase.W_ASIAN_PUNCT, GameFontBase.H_KANA)
         /*uniHan = new SpriteSheet(
                 "./assets/graphics/fonts/unifont_unihan"
                         + ((!terrarum.gameLocale.contains("zh"))

src/net/torvald/terrarum/DefaultConfig.kt

@@ -58,6 +58,8 @@ object DefaultConfig {
 
         jsonObject.addProperty("pcgamepadenv", "console")
 
+        jsonObject.addProperty("safetywarning", true)
+
 
         return jsonObject
     }

src/net/torvald/terrarum/StateFontTester.kt

@@ -1,6 +1,7 @@
 package net.torvald.terrarum
 
 import net.torvald.imagefont.GameFontWhite
+import net.torvald.terrarum.langpack.Lang
 import org.newdawn.slick.Font
 import org.newdawn.slick.GameContainer
 import org.newdawn.slick.Graphics
@@ -20,6 +21,8 @@ class StateFontTester : BasicGameState() {
         canvas = Graphics(1024, 1024)
 
         gameFont = GameFontWhite()
+
+        Terrarum.gameLocale = "fiFI"
     }
 
     override fun update(gc: GameContainer, game: StateBasedGame, delta: Int) {
@@ -28,7 +31,21 @@ class StateFontTester : BasicGameState() {
 
     override fun render(gc: GameContainer, game: StateBasedGame, g: Graphics) {
         g.font = gameFont
-        g.drawString(textToPrint, 10f, 10f)
+
+        val text = arrayOf(
+                Lang["APP_WARNING_HEALTH_AND_SAFETY"],
+                "",
+                "90’ 10’ 20” 50 cm",
+                "",
+                "",
+                Lang["MENU_LABEL_PRESS_ANYKEY_CONTINUE"],
+                "DGB금융지주의 자회사. 대구광역시에서 쓰는 교통카드인 원패스와 탑패스 그리고 만악의 근원 대경교통카드를 판매 및 정산하고 있다. 본사는",
+                "Atlantic Records, it features production from Nick Hexum of 311, Tony Kanal of No Doubt, and Sublime producer Paul Leary."
+        )
+
+        for (i in 0..text.size - 1) {
+            g.drawString(text[i], 10f, 10f + (g.font.lineHeight * i))
+        }
     }
 
     override fun getID(): Int = Terrarum.SCENE_ID_TEST_FONT

src/net/torvald/terrarum/StateInGame.kt

@@ -11,6 +11,7 @@ import net.torvald.terrarum.gamecontroller.Key
 import net.torvald.terrarum.gamecontroller.KeyMap
 import net.torvald.terrarum.gamecontroller.KeyToggler
 import net.torvald.terrarum.gamemap.GameWorld
+import net.torvald.terrarum.gamemap.WorldSimulator
 import net.torvald.terrarum.gamemap.WorldTime
 import net.torvald.terrarum.mapdrawer.LightmapRenderer
 import net.torvald.terrarum.mapdrawer.MapCamera
@@ -161,38 +162,56 @@ constructor() : BasicGameState() {
 
         setAppTitle()
 
+        ///////////////////////////
+        // world-related updates //
+        ///////////////////////////
         world.updateWorldTime(delta)
-
+        WorldSimulator(world, player, delta)
         WeatherMixer.update(gc, delta)
-
         world.globalLight = globalLightByTime.toInt()
 
+
+        ///////////////////////////
+        // input-related updates //
+        ///////////////////////////
         GameController.processInput(gc.input)
         uiContainer.forEach { it.processInput(gc.input) }
 
+
         TileStats.update()
 
+
+        ////////////////////////////
+        // camera-related updates //
+        ////////////////////////////
         MapDrawer.update(gc, delta)
         MapCamera.update(gc, delta)
 
+
+        ///////////////////////////
+        // actor-related updates //
+        ///////////////////////////
         // determine whether the inactive actor should be re-active
         wakeDormantActors()
-
         // determine whether the actor should be active or dormant
         InactivateDistantActors()
-
         updateActors(gc, delta)
-
         // TODO thread pool(?)
         CollisionSolver.process()
 
+
+        ////////////////////////
+        // ui-related updates //
+        ////////////////////////
         uiContainer.forEach { ui -> ui.update(gc, delta) }
         consoleHandler.update(gc, delta)
         debugWindow.update(gc, delta)
-
-
         notifier.update(gc, delta)
 
+
+        /////////////////////////
+        // app-related updates //
+        /////////////////////////
         Terrarum.appgc.setVSync(Terrarum.appgc.fps >= Terrarum.VSYNC_TRIGGER_THRESHOLD)
     }
 
@@ -204,8 +223,6 @@ constructor() : BasicGameState() {
     }
 
     override fun render(gc: GameContainer, sbg: StateBasedGame, g: Graphics) {
-        g.setAntiAlias(true)
-
         setBlendNormal()
 
         // determine if lightmap blending should be done

src/net/torvald/terrarum/StateMonitorCheck.kt

@@ -1,7 +1,7 @@
 package net.torvald.terrarum
 
 import net.torvald.terrarum.langpack.Lang
-import net.torvald.terrarum.ui.Typesetter
+import net.torvald.terrarum.ui.Typography
 import net.torvald.terrarum.ui.UICanvas
 import net.torvald.terrarum.ui.UIHandler
 import net.torvald.terrarum.ui.KeyboardControlled
@@ -113,24 +113,24 @@ class StateMonitorCheck : BasicGameState() {
 
             // labels
             g.color = Color.white
-            Typesetter.printCentered(
+            Typography.printCentered(
-                    Lang["MENU_MONITOR_CALI_TITLE"],
+                    g, Lang["MENU_MONITOR_CALI_TITLE"],
                     titleY,
-                    this, g
+                    this
             )
 
             (1..12).forEach {
-                Typesetter.printCentered(
+                Typography.printCentered(
-                        Lang["MENU_MONITOR_CALI_LABEL_$it"],
+                        g, Lang["MENU_MONITOR_CALI_LABEL_$it"],
                         instructionY + it.minus(2).times(g.font.lineHeight),
-                        this, g
+                        this
                 )
             }
 
-            Typesetter.printCentered(
+            Typography.printCentered(
-                    Lang["MENU_LABEL_PRESS_ANYKEY_CONTINUE"],
+                    g, Lang["MENU_LABEL_PRESS_ANYKEY_CONTINUE"],
                     anykeyY,
-                    this, g
+                    this
             )
 
         }

src/net/torvald/terrarum/StateSplash.kt

@@ -0,0 +1,139 @@
+package net.torvald.terrarum
+
+import com.jme3.math.FastMath
+import net.torvald.terrarum.gameactors.roundInt
+import net.torvald.terrarum.gamecontroller.Key
+import net.torvald.terrarum.langpack.Lang
+import net.torvald.terrarum.ui.DrawUtil
+import net.torvald.terrarum.ui.Typography
+import org.newdawn.slick.Color
+import org.newdawn.slick.GameContainer
+import org.newdawn.slick.Graphics
+import org.newdawn.slick.Image
+import org.newdawn.slick.state.BasicGameState
+import org.newdawn.slick.state.StateBasedGame
+import java.util.*
+
+/**
+ * Created by minjaesong on 16-08-04.
+ */
+class StateSplash : BasicGameState() {
+
+    val pictogramCollection = ArrayList<Image>()
+
+    val virtualImageHeight = 100
+    var imageBoardHeight = 0
+    var imageBoardOffset = 0
+
+    lateinit var fadeSheet: Image
+    lateinit var thisG: Graphics
+
+    var opacity = 0f
+
+    val fadeTime = 500
+    var fadeTimer = 0
+
+    var anykey_hit = false
+
+    val backgroundColour = Color(0x303030)
+
+    var delta = 0
+    val deltathre = 500
+
+    val auto_dismiss = 5000
+
+    var opened = false
+
+    override fun init(container: GameContainer?, game: StateBasedGame?) {
+        // pre-load lang
+        Lang["MENU_LANGUAGE_THIS"]
+
+        pictogramCollection.add(Image("./assets/graphics/gui/health_take_a_break.png"))
+        pictogramCollection.add(Image("./assets/graphics/gui/health_distance.png"))
+
+        fadeSheet = Image(Terrarum.WIDTH, Terrarum.HEIGHT)
+        thisG = fadeSheet.graphics
+        thisG.font = Terrarum.gameFont
+    }
+
+    override fun update(container: GameContainer, game: StateBasedGame, delta: Int) {
+        this.delta = delta
+
+        // next splash or load next scene
+        if (anykey_hit && opacity == 0f) {
+            System.exit(0)
+        }
+
+        // fade-in
+        if (delta < deltathre) {
+            if (opacity < 1f && !anykey_hit) {
+                opacity = FastMath.interpolateLinear(
+                        fadeTimer.toFloat() / fadeTime, 0f, 1f
+                )
+            }
+            else if (opacity > 0f && anykey_hit) {
+                opacity = FastMath.interpolateLinear(
+                        fadeTimer.toFloat() / fadeTime, 1f, 0f
+                )
+            }
+
+            if (!opened && fadeTimer >= fadeTime && !anykey_hit) {
+                fadeTimer = 0
+                opened = true
+            }
+        }
+
+        // auto dismiss
+        if (opened && fadeTimer >= auto_dismiss)
+            doAnykeyThingy()
+
+        fadeTimer += delta
+    }
+
+    override fun getID(): Int = Terrarum.SCENE_ID_SPLASH
+
+    override fun render(container: GameContainer?, game: StateBasedGame?, g: Graphics) {
+
+        imageBoardHeight = Terrarum.HEIGHT - thisG.font.lineHeight.times(6)
+        imageBoardOffset = thisG.font.lineHeight.times(3)
+
+        thisG.color = backgroundColour
+        thisG.fillRect(0f, 0f, fadeSheet.width.toFloat(), fadeSheet.height.toFloat())
+
+        thisG.color = Color.white
+
+        Typography.printCentered(thisG, Lang["APP_WARNING_HEALTH_AND_SAFETY"],
+                thisG.font.lineHeight * 2)
+
+        Typography.printCentered(thisG, Lang["MENU_LABEL_PRESS_ANYKEY_CONTINUE"],
+                Terrarum.HEIGHT - thisG.font.lineHeight.times(3))
+
+        pictogramCollection.forEachIndexed { i, image ->
+            DrawUtil.drawCentered(thisG, image, knowYourPlace(i) + imageBoardOffset)
+        }
+
+        g.drawImage(fadeSheet, 0f, 0f, Color(1f, 1f, 1f, opacity))
+    }
+
+    private fun knowYourPlace(i: Int): Int {
+        val gutter = (imageBoardHeight - virtualImageHeight.times(pictogramCollection.size)).toFloat().div(
+                pictogramCollection.size + 1f
+        )
+        return (gutter * i.plus(1) + virtualImageHeight * i).roundInt()
+    }
+
+    override fun keyPressed(key: Int, c: Char) {
+        doAnykeyThingy()
+    }
+
+    override fun controllerButtonPressed(controller: Int, button: Int) {
+        doAnykeyThingy()
+    }
+
+    private fun doAnykeyThingy() {
+        if (delta < deltathre && !anykey_hit) {
+            anykey_hit = true
+            fadeTimer = 0
+        }
+    }
+}

src/net/torvald/terrarum/Terrarum.kt

@@ -73,9 +73,13 @@ constructor(gamename: String) : StateBasedGame(gamename) {
             }
         }
 
+        gc.graphics.clear() // clean up any 'dust' in the buffer
+
         ingame = StateInGame()
         //addState(ingame)
-        addState(StateMonitorCheck())
+        //addState(StateMonitorCheck())
+        //addState(StateFontTester())
+        addState(StateSplash())
     }
 
     companion object {
@@ -103,8 +107,8 @@ constructor(gamename: String) : StateBasedGame(gamename) {
 
         lateinit var appgc: AppGameContainer
 
-        val WIDTH = 1072
+        var WIDTH =  1072
-        val HEIGHT = 742 // IMAX ratio
+        var HEIGHT = 742 // IMAX ratio
         var VSYNC = true
         val VSYNC_TRIGGER_THRESHOLD = 56
 
@@ -141,6 +145,7 @@ constructor(gamename: String) : StateBasedGame(gamename) {
         // 0x0 - 0xF: Game-related
         // 0x10 - 0x1F: Config
         // 0x100 and onward: unit tests for dev
+        val SCENE_ID_SPLASH = 0x0
         val SCENE_ID_HOME = 0x1
         val SCENE_ID_GAME = 0x3
         val SCENE_ID_CONFIG_CALIBRATE = 0x11
@@ -362,7 +367,7 @@ fun main(args: Array<String>) = Terrarum.main(args)
 
 fun setBlendMul() {
     GL11.glEnable(GL11.GL_BLEND)
-    GL11.glColorMask(true, true, true, true)
+    GL11.glColorMask(true, true, true, false)
     GL11.glBlendFunc(GL11.GL_DST_COLOR, GL11.GL_ONE_MINUS_SRC_ALPHA)
 }
 

src/net/torvald/terrarum/gameactors/ActorWithBody.kt

@@ -1,5 +1,6 @@
 package net.torvald.terrarum.gameactors
 
+import com.jme3.math.FastMath
 import net.torvald.terrarum.*
 import net.torvald.terrarum.gamemap.GameWorld
 import net.torvald.terrarum.mapdrawer.MapDrawer
@@ -971,10 +972,12 @@ open class ActorWithBody : Actor(), Visible {
 }
 
 fun Double.floorInt() = Math.floor(this).toInt()
+fun Float.floorInt() = FastMath.floor(this).toInt()
 fun Double.round() = Math.round(this).toDouble()
 fun Double.floor() = Math.floor(this)
 fun Double.ceil() = this.floor() + 1.0
 fun Double.roundInt(): Int = Math.round(this).toInt()
+fun Float.roundInt(): Int = Math.round(this).toInt()
 fun Double.abs() = Math.abs(this)
 fun Double.sqr() = this * this
 fun Int.abs() = if (this < 0) -this else this

src/net/torvald/terrarum/gameactors/MDLInterpreterState.kt

@@ -46,27 +46,6 @@ class MDLInterpreterState {
         // push, pop, +,    -,      *,       /,          %,   dup,       swap,  drop
     }
 
-    class MagicOrInt() {
-        private var magic: MagicWords? = null
-        private var number: Int? = null
-
-        constructor(kynngi: MagicWords): this() {
-            magic = kynngi
-        }
-
-        constructor(integer: Int) : this() {
-            number = integer
-        }
-
-        fun toMagic() = if (magic != null) magic!! else throw TypeCastException("$this: cannot be cast to MagicWord")
-        fun toInt() = if (number != null) number!! else throw TypeCastException("$this: cannot be cast to MagicWord")
-
-        fun isMagic() = (magic != null)
-        fun isInt() = (number != null)
-
-        override fun toString(): String = if (magic != null && number == null) "$magic" else if (magic == null && number != null) "$number" else "INVALID"
-    }
-
     class MagicArrayStack {
         /**
          * Number of elements in the stack
@@ -81,28 +60,28 @@ class MDLInterpreterState {
                 else                 deflate(data.size - newSize)
             }
 
-        private lateinit var data: Array<MagicOrInt?>
+        private lateinit var data: Array<Int?>
 
         constructor(stackSize: Int) {
             data = Array(stackSize, { null })
         }
 
-        constructor(arr: Array<MagicOrInt?>) {
+        constructor(arr: Array<Int?>) {
             data = arr.copyOf()
             depth = size
         }
 
-        fun push(v: MagicOrInt) {
+        fun push(v: Int) {
             if (depth >= data.size) throw StackOverflowError()
             data[depth++] = v
         }
 
-        fun pop(): MagicOrInt {
+        fun pop(): Int {
             if (depth == 0) throw EmptyStackException()
             return data[--depth]!!
         }
 
-        fun peek(): MagicOrInt? {
+        fun peek(): Int? {
             if (depth == 0) return null
             return data[depth - 1]
         }
@@ -126,7 +105,7 @@ class MDLInterpreterState {
             --depth
         }
 
-        fun defineFromArray(arr: Array<MagicOrInt?>) { data = arr.copyOf() }
+        fun defineFromArray(arr: Array<Int?>) { data = arr.copyOf() }
 
         /**
          * Increase the stack size by a factor.
@@ -157,10 +136,10 @@ class MDLInterpreterState {
 
         fun equalTo(other: MagicArrayStack) = (this.asArray() == other.asArray())
 
-        fun plus()  { if (data[depth - 2]!!.isInt() && peek()!!.isInt()) data[depth - 2] = MagicOrInt(data[depth - 2]!!.toInt() + (pop().toInt())) else throw RuntimeException("${data[depth - 2]}: Cannot do arithmetic operation on non-numeric type.") }
+        fun plus()  { data[depth - 2] = data[depth - 2]!! + (pop().toInt()) }
-        fun minus() { if (data[depth - 2]!!.isInt() && peek()!!.isInt()) data[depth - 2] = MagicOrInt(data[depth - 2]!!.toInt() - (pop().toInt())) else throw RuntimeException("${data[depth - 2]}: Cannot do arithmetic operation on non-numeric type.") }
+        fun minus() { data[depth - 2] = data[depth - 2]!! - (pop().toInt()) }
-        fun times() { if (data[depth - 2]!!.isInt() && peek()!!.isInt()) data[depth - 2] = MagicOrInt(data[depth - 2]!!.toInt() * (pop().toInt())) else throw RuntimeException("${data[depth - 2]}: Cannot do arithmetic operation on non-numeric type.") }
+        fun times() { data[depth - 2] = data[depth - 2]!! * (pop().toInt()) }
-        fun div()   { if (data[depth - 2]!!.isInt() && peek()!!.isInt()) data[depth - 2] = MagicOrInt(data[depth - 2]!!.toInt() / (pop().toInt())) else throw RuntimeException("${data[depth - 2]}: Cannot do arithmetic operation on non-numeric type.") }
+        fun div()   { data[depth - 2] = data[depth - 2]!! / (pop().toInt()) }
-        fun mod()   { if (data[depth - 2]!!.isInt() && peek()!!.isInt()) data[depth - 2] = MagicOrInt(data[depth - 2]!!.toInt() % (pop().toInt())) else throw RuntimeException("${data[depth - 2]}: Cannot do arithmetic operation on non-numeric type.") }
+        fun mod()   { data[depth - 2] = data[depth - 2]!! % (pop().toInt()) }
     }
 }

src/net/torvald/terrarum/gamemap/GameWorld.kt

@@ -1,6 +1,9 @@
 
 package net.torvald.terrarum.gamemap
 
+import net.torvald.terrarum.gameactors.Player
+import net.torvald.terrarum.gameactors.roundInt
+import net.torvald.terrarum.mapdrawer.MapDrawer
 import org.dyn4j.geometry.Vector2
 import org.newdawn.slick.SlickException
 

src/net/torvald/terrarum/gamemap/MapLayer.kt

@@ -47,6 +47,8 @@ class MapLayer(var width: Int, var height: Int) : Iterable<Byte> {
         data[y][x] = tile
     }
 
+    fun isInBound(x: Int, y: Int) = (x >= 0 && y >= 0 && x < width && y < height)
+
     private fun uint8ToInt32(x: Byte): Int = java.lang.Byte.toUnsignedInt(x)
 
     companion object {

src/net/torvald/terrarum/gamemap/WorldSimulator.kt

@@ -0,0 +1,188 @@
+package net.torvald.terrarum.gamemap
+
+import net.torvald.random.HQRNG
+import net.torvald.terrarum.gameactors.Player
+import net.torvald.terrarum.gameactors.roundInt
+import net.torvald.terrarum.mapdrawer.MapDrawer
+import net.torvald.terrarum.tileproperties.TileNameCode
+import net.torvald.terrarum.tileproperties.TilePropCodex
+import org.newdawn.slick.Graphics
+
+/**
+ * Created by minjaesong on 16-08-03.
+ */
+object WorldSimulator {
+    /**
+     * In tiles;
+     * square width/height = field * 2
+     */
+    const val FLUID_UPDATING_SQUARE_RADIUS = 128
+    const private val DOUBLE_RADIUS = FLUID_UPDATING_SQUARE_RADIUS * 2
+
+    private val fluidMap = Array<IntArray>(DOUBLE_RADIUS, { IntArray(DOUBLE_RADIUS) })
+
+    const val DISPLACE_CAP = 4
+    const val FLUID_MAX = 16
+
+    operator fun invoke(world: GameWorld, p: Player, delta: Int) {
+        moveFluids(world, p, delta)
+    }
+
+    /**
+     * displace fluids. Note that the code assumes the gravity pulls things downward ONLY,
+     * which means you'll need to modify the code A LOT if you're going to implement zero- or
+     * reverse-gravity.
+     */
+    fun moveFluids(world: GameWorld, p: Player, delta: Int) {
+        val updateXFrom = p.hitbox.centeredX.div(MapDrawer.TILE_SIZE).minus(FLUID_UPDATING_SQUARE_RADIUS).roundInt()
+        val updateYFrom = p.hitbox.centeredY.div(MapDrawer.TILE_SIZE).minus(FLUID_UPDATING_SQUARE_RADIUS).roundInt()
+        val updateXTo = updateXFrom + 1 * FLUID_UPDATING_SQUARE_RADIUS
+        val updateYTo = updateYFrom + 1 * FLUID_UPDATING_SQUARE_RADIUS
+
+        /**
+         * @return amount of fluid actually drained.
+         * (intended drainage - this) will give you how much fluid is not yet drained.
+         */
+        fun drain(x: Int, y: Int, amount: Int): Int {
+            val displacement = Math.min(fluidMap[y - updateYFrom][x - updateXFrom], amount)
+
+            fluidMap[y - updateYFrom][x - updateXFrom] -= displacement
+
+            return displacement
+        }
+
+        fun pour(x: Int, y: Int, amount: Int) {
+            fun pourInternal(xpos: Int, ypos: Int, volume: Int): Int {
+                var spil = 0
+
+                val addrX = xpos - updateXFrom
+                val addrY = ypos - updateYFrom
+
+                if (addrX >= 0 && addrY >= 0 && addrX < DOUBLE_RADIUS && addrY < DOUBLE_RADIUS) {
+                    fluidMap[addrY][addrX] += volume
+                    if (fluidMap[addrY][addrX] > FLUID_MAX) {
+                        spil = fluidMap[addrY][addrX] - FLUID_MAX
+                        fluidMap[addrY][addrX] = FLUID_MAX
+                    }
+                }
+
+                return spil
+            }
+
+            // pour the fluid
+            var spillage = pourInternal(x, y, amount)
+
+            if (spillage == 0) return
+
+            // deal with the spillage
+
+            val tileUp = world.getTileFromTerrain(x - updateXFrom, y - updateYFrom - 1)
+            val tileDown = world.getTileFromTerrain(x - updateXFrom, y - updateYFrom + 1)
+
+            // try to fill downward
+            if (tileDown != null && !tileDown.isSolid()) {
+                spillage = pourInternal(x, y + 1, spillage)
+            }
+            // else, try to fill upward. if there is no space, just discard
+            if (tileUp != null && !tileUp.isSolid()) {
+                pourInternal(x, y - 1, spillage)
+            }
+        }
+
+        purgeFluidMap()
+
+        /////////////////////////////////////////////////////////////
+        // displace fluids. Record displacements into the fluidMap //
+        /////////////////////////////////////////////////////////////
+        for (y in updateYFrom..updateYTo) {
+            for (x in updateXFrom..updateXTo) {
+                val tile = world.getTileFromTerrain(x, y)
+                val tileBottom = world.getTileFromTerrain(x, y + 1)
+                val tileLeft = world.getTileFromTerrain(x - 1, y)
+                val tileRight = world.getTileFromTerrain(x + 1, y)
+                if (tile != null && tile.isFluid()) {
+
+                    // move down if not obstructed
+                    if (tileBottom != null && !tileBottom.isSolid()) {
+                        val drainage = drain(x, y, DISPLACE_CAP)
+                        pour(x, y + 1, drainage)
+                    }
+                    // left and right both open (null is considered as open)
+                    else if ((tileLeft != null && tileRight != null && !tileLeft.isSolid() && !tileRight.isSolid()) ||
+                            tileLeft == null && tileRight == null) {
+                        // half-breaker
+                        val moreToTheRight = HQRNG().nextBoolean()
+                        val displacement = drain(x, y, DISPLACE_CAP)
+
+                        if (displacement.isEven()) {
+                            pour(x - 1, y, displacement shr 1)
+                            pour(x + 1, y, displacement shr 1)
+                        }
+                        else {
+                            pour(x - 1, y, (displacement shr 1) + if (moreToTheRight) 0 else 1)
+                            pour(x + 1, y, (displacement shr 1) + if (moreToTheRight) 1 else 0)
+                        }
+                    }
+                    // left open (null is considered as open)
+                    else if ((tileLeft != null && !tileLeft.isSolid()) || tileLeft == null) {
+                        val displacement = drain(x, y, DISPLACE_CAP)
+                        pour(x - 1, y, displacement)
+                    }
+                    // right open (null is considered as open)
+                    else if ((tileRight != null && !tileRight.isSolid()) || tileRight == null) {
+                        val displacement = drain(x, y, DISPLACE_CAP)
+                        pour(x + 1, y, displacement)
+                    }
+                    // nowhere open; do default (fill top)
+                    else {
+                        pour(x, y - 1, DISPLACE_CAP)
+                    }
+                }
+            }
+        }
+        /////////////////////////////////////////////////////
+        // replace fluids in the map according to fluidMap //
+        /////////////////////////////////////////////////////
+        for (y in 0..fluidMap.size - 1) {
+            for (x in 0..fluidMap[0].size - 1) {
+                placeFluid(world, updateXFrom + x, updateYFrom + y, WATER, fluidMap[y][x].minus(1))
+                // FIXME test code: deals with water only!
+            }
+        }
+
+    }
+
+    fun drawFluidMapDebug(p: Player, g: Graphics) {
+        for (y in 0..fluidMap.size - 1) {
+            for (x in 0..fluidMap[0].size - 1) {
+
+            }
+        }
+    }
+
+    private fun purgeFluidMap() {
+        for (y in 1..DOUBLE_RADIUS)
+            for (x in 1..DOUBLE_RADIUS)
+                fluidMap[y - 1][x - 1] = 0
+    }
+
+    fun Int.isFluid() = TilePropCodex.getProp(this).isFluid
+    fun Int.isSolid() = TilePropCodex.getProp(this).isSolid
+    //fun Int.viscosity() = TilePropCodex.getProp(this).
+    fun Int.fluidLevel() = this % FLUID_MAX
+    fun Int.isEven() = (this and 0x01) == 0
+
+    private fun placeFluid(world: GameWorld, x: Int, y: Int, tileFluid: Int, amount: Int) {
+        if (world.layerTerrain.isInBound(x, y)) {
+            if (amount > 0 && !world.getTileFromTerrain(x, y)!!.isSolid()) {
+                world.setTileTerrain(x, y, amount.minus(1).plus(tileFluid))
+            }
+            else if (amount == 0 && world.getTileFromTerrain(x, y)!!.isFluid()) {
+                world.setTileTerrain(x, y, TileNameCode.AIR)
+            }
+        }
+    }
+
+    val LAVA = TileNameCode.LAVA_1
+    val WATER = TileNameCode.WATER_1
+}

src/net/torvald/terrarum/mapdrawer/MapCamera.kt

@@ -381,7 +381,8 @@ object MapCamera {
         var ret = 0
         for (i in 0..3) {
             try {
-                if (!TilePropCodex.getProp(nearbyTiles[i]).isSolid) {
+                if (!TilePropCodex.getProp(nearbyTiles[i]).isSolid &&
+                        !TilePropCodex.getProp(nearbyTiles[i]).isFluid) {
                     ret += (1 shl i) // add 1, 2, 4, 8 for i = 0, 1, 2, 3
                 }
             } catch (e: ArrayIndexOutOfBoundsException) {

src/net/torvald/terrarum/tileproperties/tileprop.csv

@@ -1,5 +1,5 @@
  "id";"dmg";"name"                     ;  "opacity";"strength";"dsty";"fluid";"solid";"wall";  "lumcolor";"drop";"ddmg";"fall";"dlfn";"friction"
-  "0";  "0";"TILE_AIR"                 ;  "8396808";       "0";   "1";    "1";    "0";   "0";         "0";   "0";   "0";   "0";   "0";"4"
+  "0";  "0";"TILE_AIR"                 ;  "8396808";       "0";   "1";    "0";    "0";   "0";         "0";   "0";   "0";   "0";   "0";"4"
   "1";  "0";"TILE_STONE"               ; "33587232";      "25";"2400";    "0";    "1";   "1";         "0";   "1";   "0";   "0";   "0";"16"
   "1";  "1";"TILE_STONE_QUARRIED"      ; "33587232";      "25";"2400";    "0";    "1";   "1";         "0";   "1";   "1";   "0";   "0";"16"
   "1";  "2";"TILE_STONE_TILE_WHITE"    ; "33587232";      "25";"2400";    "0";    "1";   "1";         "0";   "1";   "2";   "0";   "0";"16"

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

@@ -0,0 +1,17 @@
+package net.torvald.terrarum.ui
+
+import net.torvald.terrarum.Terrarum
+import org.newdawn.slick.Graphics
+import org.newdawn.slick.Image
+
+/**
+ * Created by minjaesong on 16-08-04.
+ */
+object DrawUtil {
+    fun drawCentered(g: Graphics, image: Image, screenPosY: Int, ui: UICanvas? = null) {
+        val imageW = image.width
+        val targetW = if (ui == null) Terrarum.WIDTH else ui.width
+
+        g.drawImage(image, targetW.minus(imageW).ushr(1).toFloat(), screenPosY.toFloat())
+    }
+}

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

@@ -1,14 +1,15 @@
 package net.torvald.terrarum.ui
 
+import net.torvald.terrarum.Terrarum
 import org.newdawn.slick.Graphics
 
 /**
  * Created by minjaesong on 16-07-06.
  */
-object Typesetter {
+object Typography {
-    fun printCentered(string: String, screenPosY: Int, ui: UICanvas, g: Graphics) {
+    fun printCentered(g: Graphics, string: String, screenPosY: Int, ui: UICanvas? = null) {
         val stringW = g.font.getWidth(string)
-        val targetW = ui.width
+        val targetW = if (ui == null) Terrarum.WIDTH else ui.width
 
         g.drawString(string, targetW.minus(stringW).ushr(1).toFloat(), screenPosY.toFloat())
     }

src/net/torvald/terrarum/weather/BaseModularWeather.kt

@@ -14,5 +14,7 @@ data class BaseModularWeather(
         val globalLightColourMap: Image,
         var skyboxGradColourMap: Image,
         val classification: String,
-        var extraImages: ArrayList<Image>
+        var extraImages: ArrayList<Image>,
+        val mixFrom: String? = null,
+        val mixPercentage: Double? = null
 )

src/net/torvald/terrarum/weather/WeatherMixer.kt

@@ -27,12 +27,15 @@ object WeatherMixer {
     lateinit var currentWeather: BaseModularWeather
     lateinit var nextWeather: BaseModularWeather
 
+    lateinit var mixedWeather: BaseModularWeather
+
     private var skyBoxCurrent = Rectangle(0f, 0f, Terrarum.WIDTH.toFloat(), Terrarum.HEIGHT.toFloat())
     private var skyBoxNext = Rectangle(0f, 0f, Terrarum.WIDTH.toFloat(), Terrarum.HEIGHT.toFloat())
     val globalLightNow = Light10B(0)
 
     // Weather indices
     const val WEATHER_GENERIC = "generic"
+    const val WEATHER_GENERIC_RAIN = "genericrain"
     // TODO add weather classification indices manually
 
     const val RAW_DIR = "./assets/raw/weathers"
@@ -169,6 +172,12 @@ object WeatherMixer {
         val skybox: Image
         val extraImages = ArrayList<Image>()
         val classification = JSON.get("classification").asJsonPrimitive.asString
+        val mixFrom: String?
+        try { mixFrom = JSON.get("mixFrom").asJsonPrimitive.asString }
+        catch (e: NullPointerException) { mixFrom = null }
+        val mixPercentage: Double?
+        try { mixPercentage = JSON.get("mixPercentage").asJsonPrimitive.asDouble }
+        catch (e: NullPointerException) { mixPercentage = null }
 
         // parse globalLight
         if (globalLightInJson.isString)
@@ -196,7 +205,10 @@ object WeatherMixer {
 
         // get extra images
         for (i in extraImagesPath)
-            extraImages.add(Image("$pathToImage/$i"))
+            extraImages.add(Image("$pathToImage/${i.asString}"))
+
+        // get mix from
+
 
         return BaseModularWeather(globalLight, skybox, classification, extraImages)
     }