102 lines
3.7 KiB
Fennel
102 lines
3.7 KiB
Fennel
(local GraphicsEditView (require :editor.gfxedit))
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(local style (require :core.style))
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(local tiles (require :game.tiles))
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(local tiledraw (require :editor.tiledraw))
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(local util (require :lib.util))
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(local {: mouse-inside : activate : active? : checkbox : textfield} (util.require :editor.imstate))
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(local TileView (GraphicsEditView:extend))
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(set TileView.pixel-size 24)
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(local pixel-size TileView.pixel-size)
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(fn TileView.map-bitxy [self x y]
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(when (and (>= x 0) (< x 16) (>= y 0) (< y 16))
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(local ibyte (if (< x 8) y (+ y 16)))
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(local ibit
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(if (= x 0) 7
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(< x 8) (- x 1)
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(- x 8)))
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(values ibyte ibit)))
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(fn TileView.tilesize [self] (values 16 16))
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(fn get-byte [tile ibyte]
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(: (tile:sub (+ ibyte 1) (+ ibyte 1)) :byte))
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(fn get-bit [tile ibyte ibit]
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(not= 0 (bit.band (get-byte tile ibyte) (bit.lshift 1 ibit))))
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(fn set-bit [tile ibyte ibit is-set]
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(local orval (bit.lshift 1 ibit))
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(-> (get-byte tile ibyte)
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(bit.band (bit.bnot orval))
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(bit.bor (if is-set orval 0))))
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(fn set-tile-bit [tile ibyte ibit is-set]
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(..
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(tile:sub 1 ibyte)
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(string.char (set-bit tile ibyte ibit is-set))
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(tile:sub (+ ibyte 2))))
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(fn draw-bit-color [bit x y]
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(local (bgcolor color) (tiledraw.pal-from-bit bit))
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(renderer.draw_rect x y pixel-size pixel-size bgcolor)
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(renderer.draw_rect (+ x 3) (+ y 3) (- pixel-size 6) (- pixel-size 6) color))
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(fn draw-bit [bit x y even]
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(renderer.draw_rect x y pixel-size pixel-size (if bit [255 255 255] [0 0 0])))
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(fn TileView.tile [self]
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(local (w h) (self:tilesize))
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(or (-?> self.tilecache.tiles (. self.itile) (. :gfx)) (string.rep "\0" (/ (* w h) 8))))
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(fn TileView.draw-tile-editor [self tile x y]
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(when (not (active? self :tile))
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(set self.bit nil))
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(local (w h) (self:tilesize))
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(local editor-w (* (+ pixel-size 1) w))
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(local editor-h (* (+ pixel-size 1) h))
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(activate self :tile x y editor-w editor-h)
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(for [bitx 0 (- w 1)] (for [bity 0 (- h 1)]
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(local (ibyte ibit) (self:map-bitxy bitx bity))
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(local bit (get-bit tile ibyte ibit))
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(local (px py) (values (+ x (* bitx (+ pixel-size 1))) (+ y (* bity (+ pixel-size 1)))))
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(if (= ibit 7)
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(draw-bit-color bit px py)
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(draw-bit bit px py (= (% bitx 2) 1)))
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(when (and (active? self :tile) (mouse-inside px py pixel-size pixel-size))
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(when (= self.bit nil) (set self.bit (not bit)))
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(when (not= self.bit bit)
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(self:update-tile (set-tile-bit tile ibyte ibit self.bit))))))
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(love.graphics.setColor 1 1 1 1)
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(values editor-w editor-h))
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(fn TileView.draw-tile-flag [self flagname x y]
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(local flags (-?> self.tilecache.tiles (. self.itile) (. :flags)))
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(local flagset (if flags (. flags flagname) false))
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(when (checkbox self flagname flagset x y)
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(tset flags flagname (if flagset nil true))))
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(fn TileView.draw-tile-flags [self x y]
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(local tile (-?> self.tilecache.tiles (. self.itile)))
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(when tile
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(set tile.word (textfield self "Default word" tile.word x y 100 200))
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(set tile.label (textfield self "Label" tile.label x (+ y pixel-size 4) 100 200)))
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(each [iflag flagname (ipairs tiles.flags)]
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(self:draw-tile-flag flagname x (+ y (* (+ iflag 1) (+ pixel-size 4))))))
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(fn TileView.update-tile [self newtile]
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(self.tilecache:update-tile self.itile newtile))
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(fn TileView.save [self] (tiles.savetiles self.tilecache.tiles))
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(fn TileView.draw [self]
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(self:draw_background style.background)
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(local (x y) (values (+ self.position.x 10) (+ self.position.y 10)))
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(local (editor-w editor-h) (self:draw-tile-editor (self:tile) x y))
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(self:draw-tile-flags (+ x editor-w pixel-size) y)
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(self:draw-tile-selector x (+ y editor-h pixel-size) (- self.size.x 20)))
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(fn TileView.get_name [self] "Tile Editor")
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TileView
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