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75 lines
2.8 KiB
CoffeeScript
75 lines
2.8 KiB
CoffeeScript
# TODO: this thing needs a bit of thinking/testing for grid square alignments, exclusive vs. inclusive mins/maxes, etc.
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module.exports = class Grid
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constructor: (thangs, @width, @height, @padding=0, @left=0, @bottom=0, @rogue=false) ->
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@width = Math.ceil @width
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@height = Math.ceil @height
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@left = Math.floor @left
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@bottom = Math.floor @bottom
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@update thangs
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update: (thangs) ->
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@grid = []
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for y in [0 .. @height]
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@grid.push []
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for x in [0 .. @width]
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@grid[y].push []
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if @rogue
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thangs = (t for t in thangs when t.collides or t.spriteName is 'Gem' and not t.dead)
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else
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thangs = (t for t in thangs when t.collides)
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for thang in thangs
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rect = thang.rectangle()
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[minX, maxX, minY, maxY] = [9001, -9001, 9001, -9001]
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for v in rect.vertices()
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minX = Math.min(minX, v.x - @padding)
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minY = Math.min(minY, v.y - @padding)
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maxX = Math.max(maxX, v.x + @padding)
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maxY = Math.max(maxY, v.y + @padding)
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for y in @columns minY, maxY
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for x in @rows minX, maxX
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@grid[y][x].push thang
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contents: (gx, gy, width=1, height=1) ->
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thangs = []
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for y in @columns gy - height / 2, gy + height / 2
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for x in @rows gx - width / 2, gx + width / 2
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for thang in @grid[y][x]
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thangs.push thang if thang.collides and not (thang in thangs) and thang.id isnt 'Add Thang Phantom'
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thangs
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clampColumn: (y) ->
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y = Math.max 0, Math.floor(y) - @bottom
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Math.min @grid.length, Math.ceil(y) - @bottom
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clampRow: (x) ->
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x = Math.max 0, Math.floor(x) - @left
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Math.min @grid[0]?.length or 0, Math.ceil(x) - @left
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columns: (minY, maxY) ->
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[@clampColumn(minY) ... @clampColumn(maxY)]
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rows: (minX, maxX) ->
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[@clampRow(minX) ... @clampRow(maxX)]
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toString: (rogue=false) ->
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upsideDown = _.clone @grid
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upsideDown.reverse()
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((@charForThangs thangs, rogue for thangs in row).join(' ') for row in upsideDown).join("\n")
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charForThangs: (thangs, rogue) ->
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return thangs.length or ' ' unless rogue
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return '.' unless thangs.length
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return '@' if _.find thangs, (t) -> /Hero Placeholder/.test t.id
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return '>' if _.find thangs, spriteName: 'Spike Walls'
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return 'F' if _.find thangs, spriteName: 'Fence Wall'
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return 'T' if _.find thangs, spriteName: 'Fire Trap'
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return ' ' if _.find thangs, spriteName: 'Dungeon Wall'
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return 'G' if _.find thangs, spriteName: 'Gem'
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return 'C' if _.find thangs, spriteName: 'Treasure Chest'
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return '*' if _.find thangs, spriteName: 'Spear'
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return 'o' if _.find thangs, type: 'munchkin'
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return 'O' if _.find thangs, (t) -> t.team is 'ogres'
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return 'H' if _.find thangs, (t) -> t.team is 'humans'
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return 'N' if _.find thangs, (t) -> t.team is 'neutral'
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return '?'
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