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Implement new lighting features
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30
init.lua
30
init.lua
@ -5,6 +5,11 @@ local monoid_definition = {
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shadows = {
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intensity = "multiply",
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},
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tint = {
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r = "max_255",
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g = "max_255",
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b = "max_255"
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},
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saturation = "multiply",
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exposure = {
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luminance_min = "add",
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@ -13,16 +18,31 @@ local monoid_definition = {
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speed_dark_bright = "multiply",
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speed_bright_dark = "multiply",
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center_weight_power = "multiply"
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},
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volumetric_light = {
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strength = "max_1"
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}
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}
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-- default values that don't reflect neutral operations
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-- neutral values
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local lighting_defaults = {
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shadows = {
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intensity = 1,
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},
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tint = {
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r = 0,
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g = 0,
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b = 0
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},
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saturation = 1,
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exposure = {
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luminance_min = -3,
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luminance_max = -3,
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speed_dark_bright = 1000,
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speed_bright_dark = 1000,
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},
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volumetric_light = {
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strength = 0
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}
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}
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@ -36,6 +56,14 @@ function methods.multiply(a, b)
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return a * b
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end
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function methods.max_1(a, b)
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return math.min(math.max(math.max(a, b), 0), 1)
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end
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function methods.max_255(a, b)
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return math.min(math.max(math.max(a, b), 0), 255)
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end
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-- combine tables using specified methods
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local function combine(definition, tabA, tabB)
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-- at least one table has undefined value
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