Add patch for climate_api to disable MTG weather

README.md

@@ -15,15 +15,17 @@ Each property of the lighting definition will be aggregated with the respective
 
 Properties will be aggregated in different ways. Here is the full list:
 
-- `saturation` will be __multiplied__
-- `shadows`
-  - `intensity` will be __multiplied__
 - `exposure`
   - `luminance_min` will be __added__
   - `luminance_max` will be __added__
   - `speed_dark_bright` will be __multiplied__
   - `speed_bright_dark` will be __multiplied__
   - `center_weight_power` will be __multiplied__
+- `saturation` will be __multiplied__
+- `shadows`
+  - `intensity` will be __multiplied__
+- `tint` values will be __maxed__
+- `volumetric_light` will be __maxed__
 
 ### Example
 

compatibility/weather.lua

@@ -7,6 +7,11 @@ if weather == nil or weather.get == nil then
     return
 end
 
+-- leave it to climate_api to disable
+if minetest.get_modpath("climate_api") then
+    return
+end
+
 -- prevent mod from triggering lighting updates itself
 local old_get = weather.get
 weather.get = function(player)

init.lua

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