forked from izaya/LuPPC
small scrolling optimization to textgpu
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commit
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@ -50,7 +50,7 @@ local function rgb(i)
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end
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local unsub, fullRefresh
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local function set(x, y, text, f, b, safe)
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local function set(x, y, text, f, b, safe, noref)
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if x > w or x < 1 or y > h or y < 1 or not tbuffer[y] then
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if safe then
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return
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@ -72,9 +72,11 @@ local function set(x, y, text, f, b, safe)
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fbuffer[y] = fbuffer[y]:sub(1, x - 1) ..
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f .. fbuffer[y]:sub(x + len)
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else
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local F = mapping[f]
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local r, g, _b = rgb(F)
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write("\27[38;2;", r, ";", g, ";", _b, "m")
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if not noref then
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local F = mapping[f]
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local r, g, _b = rgb(F)
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write("\27[38;2;", r, ";", g, ";", _b, "m")
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end
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fbuffer[y] = fbuffer[y]:sub(1, x - 1) ..
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string.rep(string.char(f - 1), len) .. fbuffer[y]:sub(x + len)
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end
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@ -82,14 +84,18 @@ local function set(x, y, text, f, b, safe)
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bbuffer[y] = bbuffer[y]:sub(1, x - 1) ..
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b .. bbuffer[y]:sub(x + len)
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else
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local B = mapping[b]
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local r, g, _b = rgb(B)
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write("\27[48;2;", r, ";", g, ";", _b, "m")
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if not noref then
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local B = mapping[b]
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local r, g, _b = rgb(B)
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write("\27[48;2;", r, ";", g, ";", _b, "m")
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end
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bbuffer[y] = bbuffer[y]:sub(1, x - 1) ..
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string.rep(string.char(b - 1), len) .. bbuffer[y]:sub(x + len)
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end
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write("\27[", y, ";", x, "H", text)
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flush()
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if not noref then
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write("\27[", y, ";", x, "H", text)
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flush()
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end
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end
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fullRefresh = function()
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@ -282,7 +288,7 @@ function textgpu.start()
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for i=start, stop, step do
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local str, fstr, bstr = get(x, i, W, true)
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if str and fstr and bstr then
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set(x + xd, i + yd, str, fstr, bstr, true)
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set(x + xd, i + yd, str, fstr, bstr, true, true)
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end
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end
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fullRefresh()
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