noodle around with StagedVoxelRegion

worldeditadditions_core/utils/io/StagedVoxelRegion.lua

@@ -1,3 +1,8 @@
+local weac = worldeditadditions_core
+
+local weaschem = weac.parse.file.weaschem
+
+
 --- A region of the world that is to be or has been saved to/from disk.
 -- This class exists to make moving things to/from disk easier and less complicated.
 -- 

worldeditadditions_core/utils/io/voxeltools.lua

@@ -0,0 +1,44 @@
+local weac = worldeditadditions_core
+local Vector3 = weac.Vector3
+
+--- Converts data in a VoxelManip to a raw data array for serialisation.
+-- TODO: Figure out the specifics of how this fits into StagedVoxelRegion, and whether or not StagedVoxelRegion has too many overrides or not. Then implement the counterpart raw2voxelmanip & integrate into WEA + StagedVoxelRegion
+-- @param	voxelmanip	VoxelManipulator	The voxelmanip instance to extract data from.
+-- @param	pos1		Vector3				Position 1 that defines the region to extract data from.
+-- @param	pos2		Vector3				Position 2 that defines the region to extract data from.
+local function voxelmanip2raw(voxelmanip, pos1, pos2)
+	
+	local pos1_sort, pos2_sort = Vector3.sort(pos1, pos2)
+	local size = pos2_sort - pos1_sort
+	
+	local data = voxelmanip:get_data()
+	local param2 = voxelmanip:get_param2_data()
+	
+	local pos1_manip, pos2_manip = voxelmanip:get_emerged_area()
+	local area = VoxelArea:new({
+		MinEdge = pos1_manip,
+		MaxEdge = pos2_manip
+	})
+	pos1_manip = Vector3.clone(pos1_manip)
+	pos2_manip = Vector3.clone(pos2_manip)
+	
+	local pos1_manip_sort, pos2_manip_sort = Vector3.sort(pos1_manip, pos2_manip)
+	
+	local result_data = {}
+	local result_param2 = {}
+	for z = pos2_sort.z, pos1_sort.z, -1 do
+		for x = pos2_sort.x, pos1_sort.x, -1 do
+			for y = pos2_sort.y, pos1_sort.y, -1 do
+				local here = Vector3.new(x, y, z)
+				local here_target = here - pos1_manip_sort
+				local here_target_i = here_target.z * size.y * size.x + here_target.y * size.x + here_target.x -- Minetest flat arrays start from 1 (I thought they started from 0?!?!?!), but WEA flat arrays start from 0. Hence, we don't +1 here, though at some point we'll hafta update eeeevvvveerrrryyything...... :-(
+				
+				local here_source_i = area:index(x, y, z)
+				result_data[here_target_i] = data[here_source_i]
+				result_param2[here_target_i] = param2[here_source_i]
+			end
+		end
+	end
+	
+	return result_data, result_param2
+end

worldeditadditions_core/utils/parse/file/init.lua

@@ -0,0 +1,9 @@
+
+
+local localpath = wea_c.modpath.."/utils/parse/file/"
+
+--- Parsers specifically for file formats.
+-- @namespace worldeditadditions_core.parse.file
+return {
+	weaschem = dofile(localpath.."weaschem.lua")
+}

worldeditadditions_core/utils/parse/init.lua

@@ -24,7 +24,9 @@ wea_c.parse = {
 	seed = dofile(wea_c.modpath.."/utils/parse/seed.lua"),
 	chance = dofile(wea_c.modpath.."/utils/parse/chance.lua"),
 	map = dofile(wea_c.modpath.."/utils/parse/map.lua"),
-	weighted_nodes = dofile(wea_c.modpath.."/utils/parse/weighted_nodes.lua")
+	weighted_nodes = dofile(wea_c.modpath.."/utils/parse/weighted_nodes.lua"),
+	
+	file = dofile(wea_c.modpath.."/utils/parse/file/init.lua")
 }
 
 dofile(wea_c.modpath.."/utils/parse/tokenise_commands.lua")