+ Add settings for photo size, render distance, supersampling

init.lua

@@ -15,6 +15,10 @@ Codezeilen und schreibe das auch nicht dran.
 
 ]]--
 
+local get_setting = function( key, default_value )
+	return tonumber( minetest.settings:get( key ) or default_value )
+end
+
 local create_photo_item = function( pixels )
 	local itemstack = ItemStack( "xcam:photo" )
 	local meta = itemstack:get_meta()
@@ -103,8 +107,10 @@ x_offset_by_sample = { 0, 1, 0, 1, 0, 1,-1,-1,-1 }
 y_offset_by_sample = { 0, 0, 1, 1,-1,-1, 0, 1,-1 }
 
 local create_photo_pixels = function( player_name )
-	local width = 128
+	local width = get_setting( "xcam_photo_height", 128 )
-	local height = 128
+	local height = get_setting( "xcam_photo_width", 128 )
+	local render_distance = get_setting( "xcam_render_distance", 128 )
+	local samples = get_setting( "xcam_supersampling_samples", 4 )
 	local girl = minetest.get_player_by_name( player_name )
 	local eye = girl:get_pos() + girl:get_eye_offset() / 10
 	eye.y = eye.y + girl:get_properties().eye_height
@@ -128,7 +134,6 @@ local create_photo_pixels = function( player_name )
 		for w = 1,width,1 do
 			local x = width - ( w - 1 )
 			local sky_color = 191 - math.floor ( y / 2 )
-			local samples = 4 -- can be up to 9
 			local acc_color = 0
 			for sample = 1,samples,1 do
 				local x_offset = x_offset_by_sample[sample] * 0.2
@@ -138,7 +143,9 @@ local create_photo_pixels = function( player_name )
 					down * ( height/2 - y + y_offset )
 				)
 				local pos1 = eye
-				local pos2 = eye + lens + ( dir * 128 )
+				local pos2 = eye + lens + (
+					dir * render_distance
+				)
 				local color, hit_water = shade(
 					pos1,
 					pos2,

settingtypes.txt

@@ -0,0 +1,4 @@
+xcam_photo_height (Xcam Photo Height) int 128 16 192
+xcam_photo_width (Xcam Photo Width) int 128 16 192
+xcam_render_distance (Xcam Render Distance) float 128.0 1.0 256.0
+xcam_supersampling_samples (Xcam Supersampling Samples) int 4 1 9