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lunatic/test/shadexfog.lua: add function create_brightpass_trans().
Also hook it up in the [;]+[F] menu. git-svn-id: https://svn.eduke32.com/eduke32@4479 1a8010ca-5511-0410-912e-c29ae57300e0
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2 changed files with 45 additions and 3 deletions
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@ -202,8 +202,8 @@ end
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local function check_colcomp(a)
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if (type(a) ~= "number" or not (a >= 0 and a <= 63)) then
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error("color component must be in the range [0 .. 63]", 3)
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if (type(a) ~= "number" or not (a >= 0 and a < 64)) then
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error("color component must be in the range [0 .. 64)", 3)
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end
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end
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@ -340,7 +340,9 @@ end
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-- shadexfog.create_trans(startblendidx, func [, numtables [, fullbrightsOK]])
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--
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-- <func>: must be
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-- rr, gg, bb = f(r, g, b, R, G, B, level, numtables)
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-- rr, gg, bb = f(r,g,b, R,G,B, level, numtables)
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-- If reverse translucency bit clear, (r,g,b) is background and (R,G,B) is
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-- foreground (incoming).
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-- ('level' is the table index, from 1 to <numtables>)
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-- <numtables>: number of tables to create, from <startblendidx> on. Default: 1
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function shadexfog.create_trans(startblendidx, func, numtables, fullbrightsOK)
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@ -411,6 +413,22 @@ function shadexfog.create_additive_trans(startblendidx, numtables, fullbrightsOK
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)
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end
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-- shadexfog.create_brightpass_trans(startblendidx [, numtables [, fullbrightsOK]])
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function shadexfog.create_brightpass_trans(startblendidx, numtables, fullbrightsOK)
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shadexfog.create_trans(
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startblendidx,
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function(r,g,b, R,G,B, alpha, numtabs)
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local a = alpha/numtabs
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local F = 1 - min(a, (R+G+B) / (3*63))
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local f = 1 - F
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return f*r+F*R, f*g+F*G, f*b+F*B
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end,
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numtables, fullbrightsOK
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)
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end
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if (not ismapster32) then
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return shadexfog
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end
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@ -589,6 +607,30 @@ starting with the blending number <startbl>, with fractions
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]=]
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)
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engine.registerMenuFunc(
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"Create bri.pass tr. tabs",
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CreateMenuFunction{
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[0] = shadexfog.create_brightpass_trans,
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{ "Starting blendnum", 1, 255 },
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{ "Number of blending tables", 32, 255 },
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{ "Fullbright result colors OK?", 0, 1, GNF_BOOL },
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},
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formatHelp
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[=[
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<shadexfog.create_brightpass_trans(startbl [, numtabs [, fullbriOK]])>
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<____________________________________________________________________>
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Creates <numtabs> blending tables of "brightpass" translucency,
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starting with the blending number <startbl>, with fractions
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1/<numtables>, 2/<numtables> ... <numtables>/<numtables>.
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<fullbriOK>: should fullbright color indices (>= 240) be permitted as
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the blending result of two color indices?
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]=]
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)
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engine.registerMenuFunc(
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"Create base shade table",
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CreateMenuFunction{
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