From 7807093b50bf91f6828938571b632cfe793e1216 Mon Sep 17 00:00:00 2001
From: teknomunk <teknomunk@protonmail.com>
Date: Sat, 5 Oct 2024 10:15:53 -0500
Subject: [PATCH] Another correction to color interpolation, change day color
 from layer position 0.15 to 0.50

---
 mods/ENVIRONMENT/mcl_weather/skycolor.lua     | 26 +++++++++++++++++--
 .../mcl_weather/skycolor/dimensions.lua       |  2 +-
 2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/mods/ENVIRONMENT/mcl_weather/skycolor.lua b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
index fdf7c33c8..eb217b3b2 100644
--- a/mods/ENVIRONMENT/mcl_weather/skycolor.lua
+++ b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
@@ -2,6 +2,7 @@
 local modname = minetest.get_current_modname()
 local modpath = minetest.get_modpath(modname)
 local NIGHT_VISION_RATIO = 0.45
+local DEBUG = false
 
 -- Settings
 local minimum_update_interval = { 250e3 }
@@ -199,7 +200,7 @@ function skycolor_utils.convert_to_rgb(minval, maxval, current_val, colors)
 	-- Get the first color's values
 	local index1 = math.floor(scaled_value)
 	local color1 = colors[index1]
-	local frac1 = scaled_value - index1
+	local frac1 = 1.0 - (scaled_value - index1)
 
 	-- Get the second color's values
 	local index2 = math.min(index1 + 1, #colors) -- clamp to maximum color index (will occur if index1 == #colors)
@@ -207,11 +208,32 @@ function skycolor_utils.convert_to_rgb(minval, maxval, current_val, colors)
 	local color2 = colors[index2]
 
 	-- Interpolate between color1 and color2
-	return {
+	local res = {
 		r = math.floor(frac1 * color1.r + frac2 * color2.r),
 		g = math.floor(frac1 * color1.g + frac2 * color2.g),
 		b = math.floor(frac1 * color1.b + frac2 * color2.b),
 	}
+
+	if DEBUG then
+		minetest.log(dump({
+			minval = minval,
+			maxval = maxval,
+			current_val = current_val,
+			colors = colors,
+			res = res,
+			scaled_value = scaled_value,
+
+			frac1 = frac1,
+			index1 = index1,
+			color1 = color1,
+
+			frac2 = frac2,
+			index2 = index2,
+			color2 = color2,
+		}))
+	end
+
+	return res
 end
 
 -- Simple getter. Either returns user given players list or get all connected players if none provided
diff --git a/mods/ENVIRONMENT/mcl_weather/skycolor/dimensions.lua b/mods/ENVIRONMENT/mcl_weather/skycolor/dimensions.lua
index 6a8856434..5596e756e 100644
--- a/mods/ENVIRONMENT/mcl_weather/skycolor/dimensions.lua
+++ b/mods/ENVIRONMENT/mcl_weather/skycolor/dimensions.lua
@@ -40,7 +40,7 @@ function dimension_handlers.overworld(player, sky_data)
 	end
 
 	-- Use overworld defaults
-	local day_color = mcl_weather.skycolor.get_sky_layer_color(0.15)
+	local day_color = mcl_weather.skycolor.get_sky_layer_color(0.5)
 	local dawn_color = mcl_weather.skycolor.get_sky_layer_color(0.27)
 	local night_color = mcl_weather.skycolor.get_sky_layer_color(0.1)
 	sky_data.sky = {