Multiple tile-style support, layered maps

editor/gfxedit.fnl

@@ -12,14 +12,19 @@
 
 (fn GraphicsEditView.new [self]
   (GraphicsEditView.super.new self)
-  (set self.tilecache (files.cache (self:resource-key)))
+  (self:set-style (self:initial-style))
-  (set self.itile 1)
   (set self.scrollheight math.huge)
   (set self.scrollable true)
   (attach-imstate self))
 (fn GraphicsEditView.get_scrollable_size [self] self.scrollheight)
-(fn GraphicsEditView.resource-key [self] :tiles)
+(fn GraphicsEditView.initial-style [self] :tiles)
-(fn GraphicsEditView.tilesize [self] (values 16 16))
+(fn GraphicsEditView.tilesize [self]
+  (let [style (tiles.style self.style)]
+    (values (or style.editw style.tilew) (or style.edith style.tileh))))
+(fn GraphicsEditView.set-style [self key]
+  (set self.style key)
+  (set self.tilecache (files.cache key))
+  (set self.itile 1))
 (fn GraphicsEditView.reload [self] (files.reload))
 (fn GraphicsEditView.save [self] (files.save))
 

editor/mapedit.fnl

@@ -5,48 +5,56 @@
 (local files (require :game.files))
 (local {: mouse-inside : activate : active? : checkbox : textfield : textbutton : textbox : dropdown} (util.require :editor.imstate))
 (local {: tilestrip-to-sprite} (util.require :editor.tiledraw))
-(local {: encode-yx : encode-itile : decode-itile} (util.require :game.tiles))
+(local {: encode-yx : encode-itile : decode-itile : dimensions} (util.require :game.tiles))
 (local actions (require :editor.actions))
 
 (local MapEditView (GraphicsEditView:extend))
 (local sprite-scale 3)
 
-(local platforms {
+(fn platform [?key] (let [p (dimensions)] (if ?key (. p ?key) p)))
-  :ii   {:mapw 20 :maph 12 :tilew 14 :tileh 16}
+(fn MapEditView.layer-type [self ?ilayer] (or (?. (platform :layers) (or ?ilayer self.ilayer)) :tiles))
-  :iigs {:mapw 20 :maph 12 :tilew 16 :tileh 16}
+(fn MapEditView.dimensions [self ?ilayer] (or (platform (self:layer-type)) (platform)))
-})
 
-(local platform (. platforms (files.platform)))
+(fn MapEditView.mapw [self ?ilayer] (. (self:dimensions ?ilayer) :mapw))
-(local {: mapw : maph} platform)
+(fn MapEditView.maph [self ?ilayer] (. (self:dimensions ?ilayer) :maph))
-(local tilew (* sprite-scale platform.tilew))
+(fn MapEditView.tilew [self ?ilayer] (* sprite-scale (. (self:dimensions ?ilayer) :tilew)))
-(local tileh (* sprite-scale platform.tileh))
+(fn MapEditView.tileh [self ?ilayer] (* sprite-scale (. (self:dimensions ?ilayer) :tileh)))
+
+(fn MapEditView.empty-map [self] (string.rep "\0" (* (self:mapw) (self:maph))))
 
 (fn MapEditView.new [self]
   (MapEditView.super.new self)
   (set self.sprite-scale sprite-scale)
   (set self.stripcache {})
   (set self.ilevel 1)
+  (self:set-ilayer 1)
   (self:reload))
 
 ; map is stored bottom-to-top
-(fn imap-from-xy [mx my]
+(fn MapEditView.imap-from-xy [self mx my]
-  (+ mx -1 (* mapw (- maph my))))
+  (+ mx -1 (* (self:mapw) (- (self:maph) my))))
 
-(fn update-map [map mx my itile]
+(fn MapEditView.update-map [self map mx my itile]
-  (local imap (imap-from-xy mx my))
+  (local imap (self:imap-from-xy mx my))
   (local enctile (encode-itile itile))
   (..
     (map:sub 1 imap)
     (string.char enctile)
     (map:sub (+ imap 2))))
 
+(fn MapEditView.map [self]
+  (if (platform :layers) (or (?. self.level.layers self.ilayer) (self:empty-map))
+    self.level.map))
+
 (fn MapEditView.itile-from-xy [self mx my]
-  (local imap (+ (imap-from-xy mx my) 1))
+  (local imap (+ (self:imap-from-xy mx my) 1))
-  (local enctile (string.byte (self.level.map:sub imap imap)))
+  (local enctile (string.byte (string.sub (self:map) imap imap)))
   (decode-itile enctile))
 
 (fn MapEditView.set-tile [self mx my itile]
-  (set self.level.map (update-map self.level.map mx my itile)))
+  (let [updated-map (self:update-map (self:map) mx my itile)]
+    (if (platform :layers) (util.nested-tset self.level [:layers self.ilayer] updated-map)
+      (set self.level.map updated-map))))
 
 (fn MapEditView.iobject-from-xy [self mx my ?iobj]
   (local iobj (or ?iobj 1))
@@ -83,11 +91,25 @@
       (self:load-level))
     (- yNext y)))
 
+(fn MapEditView.set-ilayer [self ilayer]
+  (set self.ilayer ilayer)
+  (self:set-style (self:layer-type)))
+
+(fn MapEditView.draw-layer-selector [self x y]
+  (renderer.draw_text style.font "Layer" x (+ y (/ style.padding.y 2)) style.text)
+  (let [mkopt (fn [ilayer] {: ilayer :label (.. ilayer " (" (self:layer-type ilayer) ")")})
+        options (icollect [ilayer (ipairs (platform :layers))] (mkopt ilayer))
+        (selection yNext) (dropdown self :layer-selector (mkopt self.ilayer) options (+ x (* 50 SCALE)) y (* 100 SCALE))]
+    (when (not= self.ilayer selection.ilayer)
+      (self:set-ilayer selection.ilayer))
+    (- yNext y)))
+
 (fn MapEditView.linking-obj [self] (. self.level.objects self.iobject-linking))
 (fn MapEditView.draw-link-line [self x y iobjectSrc color toMouse?]
   (local objectSrc (. self.level.objects iobjectSrc))
   (local objectDest (. self.level.objects objectSrc.link))
   (local coord (fn [c m d] (+ c (* (- m 1) d) (/ d 2))))
+  (local [tilew tileh] [(self:tilew) (self:tileh)])
   (local xStart (coord x objectSrc.x tilew))
   (local yStart (coord y objectSrc.y tileh))
   (when (or toMouse? objectDest)
@@ -102,7 +124,7 @@
   ; stripcache leaks but honestly who cares
   (local tilestrip [])
   (var stripid "")
-  (for [mx 1 mapw]
+  (for [mx 1 (self:mapw)]
     (local itile (self:itile-from-xy mx my))
     (local tile (?. self.tilecache.tiles itile :gfx))
     (table.insert tilestrip tile)
@@ -116,6 +138,7 @@
 (fn MapEditView.draw-map-editor [self x y]
   (love.graphics.setColor 1 1 1 1)
   (local button-state self.imstate.left)
+  (local [mapw maph tilew tileh] [(self:mapw) (self:maph) (self:tilew) (self:tileh)])
   (activate self :map x y (* tilew mapw) (* tileh maph))
   (var iobject-over nil)
   (for [my 1 maph]
@@ -234,7 +257,7 @@
 (fn MapEditView.load-level [self]
   (set self.stripcache {})
   (when (= (. (self:levels) self.ilevel) nil)
-    (tset (self:levels) self.ilevel {:map (string.rep "\0" (* mapw maph)) :objects []}))
+    (tset (self:levels) self.ilevel {:map (self:empty-map) :objects []}))
   (set self.level (. (self:levels) self.ilevel))
   (set self.iobject nil))
 
@@ -247,9 +270,12 @@
   (var y (+ self.position.y style.padding.y (- self.scroll.y)))
   (self:draw_background style.background)
   (self:draw_scrollbar)
+  (local [mapw maph tilew tileh] [(self:mapw) (self:maph) (self:tilew) (self:tileh)])
   (local ytop y)
   (local editor-on-side (> self.size.x (+ (* tilew mapw) (* 300 SCALE))))
+  (when (platform :layers) (self:draw-layer-selector (+ x (* 200 SCALE)) y))
   (set y (+ y (self:draw-map-selector x y) style.padding.y))
+
   (self:draw-map-editor x y)
   (set y (+ y (* tileh maph) style.padding.y))
   (set y (+ y (self:draw-tile-selector x y (if editor-on-side (* tilew mapw)

editor/tiledraw/iigs.fnl

@@ -1,21 +1,29 @@
 (local {: putpixel : make-canvas} (require :editor.tiledraw))
+(local tiles (require :game.tiles))
 
 ; converted from http://pixeljoint.com/forum/forum_posts.asp?TID=12795 (db16)
 ; maybe check out https://lospec.com/palette-list ?
 (local pal [[1 0 1]  [4 2 3]  [3 3 6]  [4 4 4]  [8 4 3]   [3 6 2]   [13 4 4]  [7 7 6]
             [5 7 12] [13 7 2] [8 9 10] [6 10 2] [13 10 9] [6 12 12] [13 13 5] [13 14 13]])
-(fn gs-to-rgb [color] (icollect [_ v (ipairs color)] (* v 0x11)))
+(fn gs-to-rgb [color] (icollect [_ v (ipairs (or color [0 0 0]))] (* v 0x11)))
 
-(fn tile-to-sprite [tile]
+(fn spritegen-for-size [w h]
-  (if tile (make-canvas 16 16 (fn [canvas]
+  (fn [tile]
-    (love.graphics.clear 0 0 0 0)
+    (when tile (make-canvas w h (fn [canvas]
-    (for [y 0 15]
+      (love.graphics.clear 0 0 0 0)
-      (for [x 0 15]
+      (for [y 0 (- h 1)]
-        (let [ibyte (+ (* y 16) x 1)
+        (for [x 0 (- w 1)]
-              byte (string.byte (tile:sub ibyte ibyte))
+          (let [ibyte (+ (* y w) x 1)
-              mask (bit.band (bit.rshift byte 4) 0xf)
+                byte (string.byte (tile:sub ibyte ibyte))
-              color (bit.band byte 0xf)
+                mask (bit.band (bit.rshift byte 4) 0xf)
-              rgb (if (= mask 0) (gs-to-rgb (. pal (+ color 1))) [255 0 255])]
+                color (bit.band byte 0xf)
-          (when (= mask 0) (putpixel x y rgb)))))))))
+                rgb (if (= mask 0) (gs-to-rgb (. pal (+ color 1))) [255 0 255])]
+            (when (= mask 0) (putpixel x y rgb))))))))))
 
-{: tile-to-sprite : pal : gs-to-rgb}
+(local tile-to-sprite (spritegen-for-size 16 16))
+
+(fn spritegen-for-style [name]
+  (let [{: tilew : tileh} (tiles.style name)]
+    (spritegen-for-size tilew tileh)))
+
+{: tile-to-sprite : spritegen-for-size : spritegen-for-style : pal : gs-to-rgb}

editor/tiledraw/init.fnl

@@ -31,6 +31,14 @@
         #(each [isprite sprite (ipairs sprites)]
           (love.graphics.draw sprite (* (sprite:getWidth) (- isprite 1)) 0))))))
 
+(files.default-platform-method TileDraw :editor.tiledraw :spritegen-for-style
+  (fn [style]
+    (match style
+       :font TileDraw.char-to-sprite
+       :brushes TileDraw.char-to-sprite
+       :portraits TileDraw.portrait-to-sprite
+       _ TileDraw.tile-to-sprite)))
+
 (fn TileDraw.TileCache [tiles ?spritegen]
   {: tiles
    :spritegen (or ?spritegen TileDraw.tile-to-sprite)

editor/tileedit/iigs.fnl

@@ -1,12 +1,16 @@
 (local {: pal : gs-to-rgb} (require :editor.tiledraw.iigs))
 (local lume (require :lib.lume))
 
-{:map-bitxy (fn [self x y] (values (+ (* y 16) x) 0 0xff))
+{:map-bitxy (fn [self x y w h] (values (+ (* y w) x) 0 0xff))
  :pixel-color (fn [self b] (match b 0xf0 (values [128 128 128] [64 64 64])
                                   _ (gs-to-rgb (. pal (+ b 1)))))
  :draw-bits #(if (= $1.icolor 17) 0xf0 (- $1.icolor 1))
  :palette #(lume.concat (icollect [_ color (ipairs pal)] (gs-to-rgb color)) [[255 0 255]])
  :pixel-storage-divisor #1
- :preview-locations #[[8 0] [0 5] [16 5] [8 10]]
+ :blank-tile-byte #"\xf0"
+ :preview-locations (fn [self]
+   (match self.style
+     :iso [[12 0] [0 6] [24 6] [12 12]]
+     _ [[0 0] [12 0] [0 12] [12 12]]))
 }
 

editor/tileedit/init.fnl

@@ -3,14 +3,13 @@
 (local tiles (require :game.tiles))
 (local files (require :game.files))
 (local util (require :lib.util))
-(local {: mouse-inside : activate : active? : checkbox : textfield : button} (util.require :editor.imstate))
+(local {: mouse-inside : activate : active? : checkbox : textfield : button : dropdown} (util.require :editor.imstate))
 
 (local TileView (GraphicsEditView:extend))
 
 (set TileView.pixel-size 24)
 (local pixel-size TileView.pixel-size)
 
-(fn TileView.tilesize [self] (values 16 16))
 (fn TileView.tilekeys [self]
   (if files.game.tilesets (icollect [_ key (pairs files.game.tilesets)] key)
     [:gfx]))
@@ -37,10 +36,12 @@
 (files.default-platform-method TileView :editor.tileedit :preview-locations
   (fn [self] (let [(w h) (self:tilesize)] [[0 0] [w 0] [0 h] [w h]])))
 
+(files.default-platform-method TileView :editor.tileedit :blank-tile-byte #"\0")
+
 (fn TileView.tile [self]
   (local (w h) (self:tilesize))
   (or (-?> self.tilecache.tiles (. self.itile) (. (or self.tilekey :gfx)))
-      (string.rep "\0" (/ (* w h) (self:pixel-storage-divisor)))))
+      (string.rep (self:blank-tile-byte) (/ (* w h) (self:pixel-storage-divisor)))))
 
 (fn TileView.draw-pixel [self x y colorbg ?colorfg]
   (renderer.draw_rect x y pixel-size pixel-size colorbg)
@@ -53,7 +54,7 @@
   (local editor-h (* (+ pixel-size 1) h))
   (activate self :tile x y editor-w editor-h)
   (for [bitx 0 (- w 1)] (for [bity 0 (- h 1)]
-    (local (ibyte ibit mask) (self:map-bitxy bitx bity))
+    (local (ibyte ibit mask) (self:map-bitxy bitx bity w h))
     (local b (get-bits tile ibyte ibit mask))
     (local (px py) (values (+ x (* bitx (+ pixel-size 1))) (+ y (* bity (+ pixel-size 1)))))
     (local (colorbg colorfg) (self:pixel-color b ibyte ibit))
@@ -107,7 +108,14 @@
     0))
 
 (fn TileView.update-tile [self newtile]
-  (self.tilecache:update-tile self.itile newtile self.tilekey))
+    (self.tilecache:update-tile self.itile newtile self.tilekey))
+
+(fn TileView.draw-style-selector [self x y]
+  (renderer.draw_text style.font "Style" x (+ y (/ style.padding.y 2)) style.text)
+  (let [(selection yNext) (dropdown self :layer-selector self.style (tiles.tile-styles) (+ x (* 50 SCALE)) y (* 100 SCALE))  ]
+    (when (not= self.style selection)
+      (self:set-style selection))
+    (- yNext y)))
 
 (fn TileView.draw [self]
   (self:draw_background style.background)
@@ -119,12 +127,14 @@
   (self:draw-tile-preview (+ x editor-w pixel-size) (+ preview-y style.padding.y))
   (var selector-y (+ y editor-h pixel-size))
   (set selector-y (+ selector-y (self:draw-tile-palette x selector-y (- self.size.x 20))))
+  (when (> (length (tiles.tile-styles)) 1)
+    (set selector-y (+ selector-y (self:draw-style-selector x selector-y) style.padding.y)))
   (each [_ key (ipairs (self:tilekeys))]
     (local selector-h (self:draw-tile-selector x selector-y (- self.size.x 20) key))
     (set selector-y (+ selector-y selector-h pixel-size)))
   (set self.scrollheight (- selector-y y)))
 
-(fn TileView.resource-key [self] :tiles)
+(fn TileView.initial-style [self] :tiles)
 (fn TileView.get_name [self] "Tile Editor")
 
 TileView

game/files.fnl

@@ -29,13 +29,17 @@
 (fn deserialize [key value root]
   (match key
     (where (or :tiles :portraits :font :brushes)) (tile-deserialize value root)
-    :levels (do (set value.map (value.map:fromhex)) value)
+    :levels (do (set value.map (value.map:fromhex))
+                (set value.layers (icollect [_ layer (ipairs (or value.layers []))] (layer:fromhex)))
+                value)
     _ value))
 
 (fn serialize [key value root]
   (match key
     (where (or :tiles :portraits :font :brushes)) (tile-serialize value root)
-    :levels (do (set value.map (value.map:tohex)) value)
+    :levels (do (set value.map (value.map:tohex))
+                (set value.layers (icollect [_ layer (ipairs (or value.layers []))] (layer:tohex)))
+                value)
     _ value))
 
 (fn clone [v]
@@ -65,11 +69,8 @@
 
 (fn new-cache [game key]
   (let [tiledraw (require :editor.tiledraw)
-        spritegen (match key
+        tiles (require :game.tiles)
-                         :font tiledraw.char-to-sprite
+        spritegen (tiledraw.spritegen-for-style key)
-                         :brushes tiledraw.char-to-sprite
-                         :portraits tiledraw.portrait-to-sprite
-                         _ tiledraw.tile-to-sprite)
         gfx (. game key)]
     (tiledraw.TileCache gfx spritegen)))
 

game/tiles.fnl

@@ -2,6 +2,29 @@
 (local lume (require :lib.lume))
 (local files (require :game.files))
 
+(local platforms {
+  :ii   {:mapw 20 :maph 12 :tilew 14 :tileh 16 :editw 16
+         :font {:tilew 7 :editw 8 :tileh 8}
+         :brushes {:tilew 7 :editw 8 :tileh 8}
+         :portraits {:tilew 28 :editw 32 :tileh 32}}
+  :iigs {:mapw 26 :maph 16 :tilew 12 :tileh 12
+         :layers [:tiles :iso :iso]
+         :yoffsets [0 6 0]
+         :iso {:mapw 13 :maph 16 :tilew 24 :tileh 32 :stagger 12}
+         :font {:tilew 8 :tileh 8}
+         :brushes {:tilew 8 :tileh 8}
+         :portraits {:tilew 32 :tileh 32}}
+})
+
+(fn dimensions [] (. platforms (files.platform)))
+(fn style [name] (or (. (dimensions) name) (dimensions)))
+(fn tile-styles [include-details]
+  (let [dim (dimensions)
+        styles {:tiles dim}]
+    (each [_ layer (ipairs (or dim.layers []))]
+      (when (not= layer :tiles) (tset styles layer (. dim layer))))
+    (if include-details styles (lume.keys styles))))
+
 (fn flags [] (or files.game.tileflags [:walkable]))
 (fn flag-to-bit []
   (collect [iflag flag (ipairs (flags))] (values flag (bit.lshift 1 (- iflag 1)))))
@@ -55,5 +78,5 @@
     (find-itile tiles label (+ itile 1))))
 
 {: appendtiles : appendgfx : append-portraitwords : flags : flag-to-bit : find-itile
- : encode-yx : encode-itile : decode-itile}
+ : encode-yx : encode-itile : decode-itile : dimensions : tile-styles : style}