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https://github.com/MikaylaFischler/cc-mek-scada.git
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88 lines
2.7 KiB
Lua
88 lines
2.7 KiB
Lua
-- "Basketweave" Tiling Graphics Element
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local util = require("scada-common.util")
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local element = require("graphics.element")
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---@class tiling_args
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---@field fill_c cpair colors to fill with
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---@field even? boolean whether to account for rectangular pixels
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---@field border_c? color optional frame color
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---@field parent graphics_element
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---@field id? string element id
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---@field x? integer 1 if omitted
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---@field y? integer 1 if omitted
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---@field width? integer parent width if omitted
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---@field height? integer parent height if omitted
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---@field gframe? graphics_frame frame instead of x/y/width/height
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---@field fg_bg? cpair foreground/background colors
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-- new tiling box
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---@param args tiling_args
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---@return graphics_element element, element_id id
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local function tiling(args)
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assert(type(args.fill_c) == "table", "graphics.elements.tiling: fill_c is a required field")
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-- create new graphics element base object
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local e = element.new(args)
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-- draw tiling box
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local fill_a = args.fill_c.blit_a
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local fill_b = args.fill_c.blit_b
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local even = args.even == true
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local start_x = 1
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local start_y = 1
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local inner_width = math.floor(e.frame.w / util.trinary(even, 2, 1))
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local inner_height = e.frame.h
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local alternator = true
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-- border
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if args.border_c ~= nil then
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e.window.setBackgroundColor(args.border_c)
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e.window.clear()
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start_x = 1 + util.trinary(even, 2, 1)
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start_y = 2
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inner_width = math.floor((e.frame.w - 2 * util.trinary(even, 2, 1)) / util.trinary(even, 2, 1))
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inner_height = e.frame.h - 2
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end
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-- check dimensions
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assert(inner_width > 0, "graphics.elements.tiling: inner_width <= 0")
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assert(inner_height > 0, "graphics.elements.tiling: inner_height <= 0")
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assert(start_x <= inner_width, "graphics.elements.tiling: start_x > inner_width")
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assert(start_y <= inner_height, "graphics.elements.tiling: start_y > inner_height")
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-- create pattern
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for y = start_y, inner_height + (start_y - 1) do
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e.window.setCursorPos(start_x, y)
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for x = 1, inner_width do
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if alternator then
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if even then
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e.window.blit(" ", "00", fill_a .. fill_a)
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else
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e.window.blit(" ", "0", fill_a)
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end
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else
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if even then
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e.window.blit(" ", "00", fill_b .. fill_b)
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else
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e.window.blit(" ", "0", fill_b)
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end
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end
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alternator = not alternator
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end
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if inner_width % 2 == 0 then alternator = not alternator end
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end
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return e.get()
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end
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return tiling
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