78 lines
2.7 KiB
Fennel
78 lines
2.7 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?} (util.require :editor.imstate))
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(local TileView (GraphicsEditView:extend))
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(local pixel-size 24)
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(fn map-bitxy [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 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] (or (. self.tilecache.tiles self.itile) (string.rep "\0" 32)))
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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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(activate self :tile x y (* (+ pixel-size 1) 16) (* (+ pixel-size 1) 16))
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(for [bitx 0 15] (for [bity 0 15]
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(local (ibyte ibit) (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 (or (= bitx 0) (= bitx 15))
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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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(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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(self:draw-tile-editor (self:tile) x y)
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(self:draw-tile-selector x (+ y (* 18 (+ pixel-size 1))) (- self.size.x 20)))
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(fn TileView.get_name [self] "Tile Editor")
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TileView
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