first implementation targeting #6

default/colors.txt

@@ -0,0 +1,409 @@
+# only alter this file if it's named "custom.colors.txt"
+# alter the color mapping (R G B integer triplets) as you please 
+# and comment out the nodes you don't want to use for mesh building in the game
+# the original mappings are in "default/colors.txt"
+# taken from https://github.com/minetest/minetestmapper/blob/master/colors.txt
+
+# beds
+beds:bed_bottom 130 3 3
+beds:bed_top 178 116 116
+beds:fancy_bed_bottom 135 23 14
+beds:fancy_bed_top 172 112 103
+
+# bones
+bones:bones 86 86 86
+
+# carts
+carts:brakerail 129 110 81
+carts:powerrail 154 136 81
+carts:rail 143 123 90
+
+# default
+default:acacia_bush_leaves 90 124 55
+default:acacia_bush_sapling 85 118 58
+default:acacia_bush_stem 84 76 69
+default:acacia_leaves 108 147 67
+default:acacia_sapling 87 116 61
+default:acacia_tree 188 109 90
+default:acacia_wood 146 60 37
+default:apple 145 20 9
+default:aspen_leaves 70 104 27
+default:aspen_sapling 82 110 43
+default:aspen_tree 218 197 166
+default:aspen_wood 209 198 169
+default:bookshelf 128 99 55
+default:brick 117 71 69
+default:bronzeblock 185 110 15
+default:bush_leaves 34 52 29
+default:bush_sapling 65 60 40
+default:bush_stem 45 33 23
+default:cactus 52 116 15
+default:cave_ice 167 206 247
+default:chest 140 108 65
+default:chest_locked 140 108 65
+default:chest_locked_open 140 108 65
+default:chest_open 140 108 65
+default:clay 182 182 182
+default:cloud 255 255 255
+default:coalblock 57 57 57
+default:cobble 88 84 82
+default:copperblock 192 126 63
+default:coral_brown 139 104 72
+default:coral_orange 191 62 12
+default:coral_skeleton 235 230 214
+default:desert_cobble 107 65 49
+default:desert_sand 206 165 98
+default:desert_sandstone 195 152 92
+default:desert_sandstone_block 192 151 94
+default:desert_sandstone_brick 191 151 94
+default:desert_stone 129 79 60
+default:desert_stone_block 130 79 60
+default:desert_stonebrick 129 79 60
+default:diamondblock 135 217 223
+default:dirt 95 64 39
+default:dirt_with_coniferous_litter 107 88 68
+default:dirt_with_dry_grass 187 148 77
+default:dirt_with_grass 66 112 31
+default:dirt_with_grass_footsteps 66 112 31
+default:dirt_with_rainforest_litter 74 38 8
+default:dirt_with_snow 224 225 238
+default:dry_grass_1 208 172 87
+default:dry_grass_2 210 174 87
+default:dry_grass_3 210 174 87
+default:dry_grass_4 211 175 88
+default:dry_grass_5 213 178 92
+default:dry_shrub 101 66 17
+default:emergent_jungle_sapling 48 39 15
+default:fence_acacia_wood 147 60 38
+default:fence_aspen_wood 210 199 170
+default:fence_junglewood 54 37 11
+default:fence_pine_wood 221 184 129
+default:fence_wood 129 100 55
+default:fern_1 81 114 48
+default:fern_2 86 118 50
+default:fern_3 88 121 52
+default:furnace 100 96 94
+default:furnace_active 100 96 94
+default:glass 194 194 227 64 16
+default:goldblock 230 201 29
+default:grass_1 97 138 53
+default:grass_2 95 136 54
+default:grass_3 91 133 52
+default:grass_4 86 130 45
+default:grass_5 83 124 47
+default:gravel 131 131 131
+default:ice 167 206 247
+default:junglegrass 63 105 25
+default:jungleleaves 20 28 15
+default:junglesapling 48 38 14
+default:jungletree 105 76 41
+default:junglewood 54 37 11
+default:ladder_steel 126 126 126
+default:ladder_wood 123 90 34
+default:lava_flowing 255 100 0
+default:lava_source 255 100 0
+default:leaves 34 52 29
+default:marram_grass_1 96 133 89
+default:marram_grass_2 87 126 83
+default:marram_grass_3 85 125 82
+default:mese 220 220 0
+default:mese_post_light 131 102 57
+default:meselamp 211 213 139
+default:mossycobble 86 90 68
+default:obsidian 19 21 24
+default:obsidian_block 20 22 25
+default:obsidian_glass 19 21 23 64 16
+default:obsidianbrick 20 22 24
+default:papyrus 94 132 33
+default:pine_needles 11 48 18
+default:pine_sapling 27 48 25
+default:pine_tree 182 155 124
+default:pine_wood 221 184 128
+default:river_water_flowing 39 66 106 128 224
+default:river_water_source 39 66 106 128 224
+default:sand 214 207 158
+default:sand_with_kelp 214 207 158
+default:sandstone 197 193 143
+default:sandstone_block 195 190 141
+default:sandstonebrick 193 189 140
+default:sapling 65 59 40
+default:sign_wall_steel 144 144 144
+default:sign_wall_wood 145 101 64
+default:silver_sand 193 191 179
+default:silver_sandstone 195 192 181
+default:silver_sandstone_block 192 190 179
+default:silver_sandstone_brick 190 188 178
+default:snow 224 225 238
+default:snowblock 224 225 238
+default:steelblock 194 194 194
+default:stone 97 94 93
+default:stone_block 99 96 95
+default:stone_with_coal 97 94 93
+default:stone_with_copper 97 94 93
+default:stone_with_diamond 97 94 93
+default:stone_with_gold 97 94 93
+default:stone_with_iron 97 94 93
+default:stone_with_mese 97 94 93
+default:stone_with_tin 97 94 93
+default:stonebrick 99 96 95
+default:tinblock 149 149 149
+default:torch 120 98 67
+default:torch_ceiling 120 98 67
+default:torch_wall 120 98 67
+default:tree 164 131 88
+default:water_flowing 39 66 106 128 224
+default:water_source 39 66 106 128 224
+default:wood 128 99 55
+
+# doors
+doors:door_glass_a 184 184 216 64 16
+doors:door_glass_b 184 184 216 64 16
+doors:door_obsidian_glass_a 27 28 29 64 16
+doors:door_obsidian_glass_b 27 28 29 64 16
+doors:door_steel_a 201 201 201
+doors:door_steel_b 201 201 201
+doors:door_wood_a 87 67 35
+doors:door_wood_b 87 67 35
+doors:gate_acacia_wood_closed 146 60 37
+doors:gate_acacia_wood_open 146 60 37
+doors:gate_aspen_wood_closed 209 198 169
+doors:gate_aspen_wood_open 209 198 169
+doors:gate_junglewood_closed 54 37 11
+doors:gate_junglewood_open 54 37 11
+doors:gate_pine_wood_closed 221 184 128
+doors:gate_pine_wood_open 221 184 128
+doors:gate_wood_closed 128 99 55
+doors:gate_wood_open 128 99 55
+doors:trapdoor 128 99 50
+doors:trapdoor_open 136 106 59
+doors:trapdoor_steel 199 199 199
+doors:trapdoor_steel_open 206 206 206
+
+# farming
+farming:cotton_1 88 116 39
+farming:cotton_2 87 116 38
+farming:cotton_3 97 120 41
+farming:cotton_4 106 113 47
+farming:cotton_5 114 104 53
+farming:cotton_6 119 94 59
+farming:cotton_7 92 69 37
+farming:cotton_8 110 91 61
+farming:desert_sand_soil 159 131 70
+farming:desert_sand_soil_wet 119 98 52
+farming:seed_cotton 90 85 57
+farming:seed_wheat 175 159 93
+farming:soil 95 64 39
+farming:soil_wet 95 64 39
+farming:straw 211 182 67
+farming:wheat_1 107 174 32
+farming:wheat_2 133 175 50
+farming:wheat_3 162 182 82
+farming:wheat_4 169 187 93
+farming:wheat_5 169 178 94
+farming:wheat_6 172 176 85
+farming:wheat_7 192 181 81
+farming:wheat_8 186 161 35
+
+# fire
+fire:basic_flame 218 120 36
+fire:permanent_flame 218 120 36
+
+# fireflies
+fireflies:firefly_bottle 190 191 198
+
+# flowers
+flowers:chrysanthemum_green 101 140 39
+flowers:dandelion_white 178 176 140
+flowers:dandelion_yellow 194 159 17
+flowers:geranium 72 87 155
+flowers:mushroom_brown 106 79 72
+flowers:mushroom_red 192 85 85
+flowers:rose 118 48 24
+flowers:tulip 130 99 36
+flowers:tulip_black 72 103 63
+flowers:viola 106 60 159
+flowers:waterlily 102 158 61
+
+# stairs
+stairs:slab_acacia_wood 146 60 37
+stairs:slab_aspen_wood 209 198 169
+stairs:slab_brick 117 71 69
+stairs:slab_bronzeblock 185 110 15
+stairs:slab_cobble 88 84 82
+stairs:slab_copperblock 192 126 63
+stairs:slab_desert_cobble 107 65 49
+stairs:slab_desert_sandstone 195 152 92
+stairs:slab_desert_sandstone_block 192 151 94
+stairs:slab_desert_sandstone_brick 191 151 94
+stairs:slab_desert_stone 129 79 60
+stairs:slab_desert_stone_block 130 79 60
+stairs:slab_desert_stonebrick 129 79 60
+stairs:slab_goldblock 230 201 29
+stairs:slab_ice 167 206 247
+stairs:slab_junglewood 54 37 11
+stairs:slab_mossycobble 86 90 68
+stairs:slab_obsidian 19 21 24
+stairs:slab_obsidian_block 20 22 25
+stairs:slab_obsidianbrick 20 22 24
+stairs:slab_pine_wood 221 184 128
+stairs:slab_sandstone 197 193 143
+stairs:slab_sandstone_block 195 190 141
+stairs:slab_sandstonebrick 193 189 140
+stairs:slab_silver_sandstone 195 192 181
+stairs:slab_silver_sandstone_block 192 190 179
+stairs:slab_silver_sandstone_brick 190 188 178
+stairs:slab_snowblock 224 225 238
+stairs:slab_steelblock 194 194 194
+stairs:slab_stone 97 94 93
+stairs:slab_stone_block 99 96 95
+stairs:slab_stonebrick 99 96 95
+stairs:slab_straw 211 182 67
+stairs:slab_tinblock 149 149 149
+stairs:slab_wood 128 99 55
+stairs:stair_acacia_wood 146 60 37
+stairs:stair_aspen_wood 209 198 169
+stairs:stair_brick 117 71 69
+stairs:stair_bronzeblock 185 110 15
+stairs:stair_cobble 88 84 82
+stairs:stair_copperblock 192 126 63
+stairs:stair_desert_cobble 107 65 49
+stairs:stair_desert_sandstone 195 152 92
+stairs:stair_desert_sandstone_block 192 151 94
+stairs:stair_desert_sandstone_brick 191 151 94
+stairs:stair_desert_stone 129 79 60
+stairs:stair_desert_stone_block 130 79 60
+stairs:stair_desert_stonebrick 129 79 60
+stairs:stair_goldblock 230 201 29
+stairs:stair_ice 167 206 247
+stairs:stair_inner_acacia_wood 146 60 37
+stairs:stair_inner_aspen_wood 209 198 169
+stairs:stair_inner_brick 117 71 69
+stairs:stair_inner_bronzeblock 185 110 15
+stairs:stair_inner_cobble 88 84 82
+stairs:stair_inner_copperblock 192 126 63
+stairs:stair_inner_desert_cobble 107 65 49
+stairs:stair_inner_desert_sandstone 195 152 92
+stairs:stair_inner_desert_sandstone_block 192 151 94
+stairs:stair_inner_desert_sandstone_brick 191 151 94
+stairs:stair_inner_desert_stone 129 79 60
+stairs:stair_inner_desert_stone_block 130 79 60
+stairs:stair_inner_desert_stonebrick 129 79 60
+stairs:stair_inner_goldblock 230 201 29
+stairs:stair_inner_ice 167 206 247
+stairs:stair_inner_junglewood 54 37 11
+stairs:stair_inner_mossycobble 86 90 68
+stairs:stair_inner_obsidian 19 21 24
+stairs:stair_inner_obsidian_block 20 22 25
+stairs:stair_inner_obsidianbrick 20 22 24
+stairs:stair_inner_pine_wood 221 184 128
+stairs:stair_inner_sandstone 197 193 143
+stairs:stair_inner_sandstone_block 195 190 141
+stairs:stair_inner_sandstonebrick 193 189 140
+stairs:stair_inner_silver_sandstone 195 192 181
+stairs:stair_inner_silver_sandstone_block 192 190 179
+stairs:stair_inner_silver_sandstone_brick 190 188 178
+stairs:stair_inner_snowblock 224 225 238
+stairs:stair_inner_steelblock 194 194 194
+stairs:stair_inner_stone 97 94 93
+stairs:stair_inner_stone_block 99 96 95
+stairs:stair_inner_stonebrick 99 96 95
+stairs:stair_inner_straw 211 182 67
+stairs:stair_inner_tinblock 149 149 149
+stairs:stair_inner_wood 128 99 55
+stairs:stair_junglewood 54 37 11
+stairs:stair_mossycobble 86 90 68
+stairs:stair_obsidian 19 21 24
+stairs:stair_obsidian_block 20 22 25
+stairs:stair_obsidianbrick 20 22 24
+stairs:stair_outer_acacia_wood 146 60 37
+stairs:stair_outer_aspen_wood 209 198 169
+stairs:stair_outer_brick 117 71 69
+stairs:stair_outer_bronzeblock 185 110 15
+stairs:stair_outer_cobble 88 84 82
+stairs:stair_outer_copperblock 192 126 63
+stairs:stair_outer_desert_cobble 107 65 49
+stairs:stair_outer_desert_sandstone 195 152 92
+stairs:stair_outer_desert_sandstone_block 192 151 94
+stairs:stair_outer_desert_sandstone_brick 191 151 94
+stairs:stair_outer_desert_stone 129 79 60
+stairs:stair_outer_desert_stone_block 130 79 60
+stairs:stair_outer_desert_stonebrick 129 79 60
+stairs:stair_outer_goldblock 230 201 29
+stairs:stair_outer_ice 167 206 247
+stairs:stair_outer_junglewood 54 37 11
+stairs:stair_outer_mossycobble 86 90 68
+stairs:stair_outer_obsidian 19 21 24
+stairs:stair_outer_obsidian_block 20 22 25
+stairs:stair_outer_obsidianbrick 20 22 24
+stairs:stair_outer_pine_wood 221 184 128
+stairs:stair_outer_sandstone 197 193 143
+stairs:stair_outer_sandstone_block 195 190 141
+stairs:stair_outer_sandstonebrick 193 189 140
+stairs:stair_outer_silver_sandstone 195 192 181
+stairs:stair_outer_silver_sandstone_block 192 190 179
+stairs:stair_outer_silver_sandstone_brick 190 188 178
+stairs:stair_outer_snowblock 224 225 238
+stairs:stair_outer_steelblock 194 194 194
+stairs:stair_outer_stone 97 94 93
+stairs:stair_outer_stone_block 99 96 95
+stairs:stair_outer_stonebrick 99 96 95
+stairs:stair_outer_straw 211 182 67
+stairs:stair_outer_tinblock 149 149 149
+stairs:stair_outer_wood 128 99 55
+stairs:stair_pine_wood 221 184 128
+stairs:stair_sandstone 197 193 143
+stairs:stair_sandstone_block 195 190 141
+stairs:stair_sandstonebrick 193 189 140
+stairs:stair_silver_sandstone 195 192 181
+stairs:stair_silver_sandstone_block 192 190 179
+stairs:stair_silver_sandstone_brick 190 188 178
+stairs:stair_snowblock 224 225 238
+stairs:stair_steelblock 194 194 194
+stairs:stair_stone 97 94 93
+stairs:stair_stone_block 99 96 95
+stairs:stair_stonebrick 99 96 95
+stairs:stair_straw 211 182 67
+stairs:stair_tinblock 149 149 149
+stairs:stair_wood 128 99 55
+
+# tnt
+tnt:gunpowder 6 6 6
+tnt:gunpowder_burning 112 103 2
+tnt:tnt 181 0 0
+tnt:tnt_burning 190 8 0
+
+# vessels
+vessels:drinking_glass 206 214 228
+vessels:glass_bottle 188 190 201
+vessels:shelf 128 99 55
+vessels:steel_bottle 193 192 191
+
+# walls
+walls:cobble 88 84 82
+walls:desertcobble 107 65 49
+walls:mossycobble 86 90 68
+
+# wool
+wool:black 29 29 29
+wool:blue 0 72 145
+wool:brown 86 42 0
+wool:cyan 0 130 139
+wool:dark_green 32 102 0
+wool:dark_grey 59 59 59
+wool:green 92 216 28
+wool:grey 131 131 131
+wool:magenta 200 3 109
+wool:orange 213 81 21
+wool:pink 255 131 131
+wool:red 168 17 17
+wool:violet 92 2 169
+wool:white 220 220 220
+wool:yellow 254 225 15
+
+# xpanes
+xpanes:bar 114 114 114 64 16
+xpanes:bar_flat 114 114 114 64 16
+xpanes:obsidian_pane 16 16 17 64 16
+xpanes:obsidian_pane_flat 16 16 17 64 16
+xpanes:pane 192 192 227 64 16
+xpanes:pane_flat 192 192 227 64 16

init.lua

@@ -117,6 +117,7 @@ function wesh.init_colors()
 	-- The same loop will also fill the nodename_to_color table with default fallbacks for wool
 
 	wesh.nodename_to_color = {}
+	wesh.nodename_to_rgb = {}
 	wesh.color_vertices = {}
 	for i, color in ipairs(wesh.colors) do
 		local t = {}
@@ -149,6 +150,25 @@ function wesh.init_colors()
 	end
 	file:close()
 
+	local full_rgb_filename = custom_or_default(wesh.name, wesh.mod_path, "colors.txt")
+	if not full_rgb_filename then return end
+	local rgb_file = io.open(full_rgb_filename, "rb")
+	if not rgb_file then return end
+	
+	--  The following loop will fill the nodename_to_rgb table with custom values
+	local rgb_content = rgb_file:read("*all")
+	local rgb_lines = rgb_content:gsub("(\r\n)+", "\r"):gsub("\r+", "\n"):split("\n")
+	for _, line in ipairs(rgb_lines) do
+		line = line:gsub("%s+", " ")
+		if line:sub(1,1) ~= "#" then 
+			local parts = line:split(" ")
+			if #parts == 4 then
+				wesh.nodename_to_rgb[parts[1]] = { tonumber(parts[2]), tonumber(parts[3]), tonumber(parts[4]) }
+			end
+		end
+	end
+	rgb_file:close()
+	
 end
 
 function wesh.init_geometry()
@@ -417,24 +437,30 @@ end
 
 function wesh.reset_geometry(canvas)
 	canvas.matrix = {}
+	canvas.wool_matrix = {}
 	canvas.node_matrix = {}
 	canvas.vertices = {}
 	canvas.vertices_indices = {}
 	canvas.faces = {}
 	canvas.voxel_count = 0
 	canvas.nodename_count = 0
+	canvas.custom_texture_vertices_mapping = {}
+	canvas.custom_texture_colors = {}
 	
 	local function reset(p)
 		if not canvas.matrix[p.x] then
 			canvas.matrix[p.x] = {}
+			canvas.wool_matrix[p.x] = {}
 			canvas.node_matrix[p.x] = {}
 		end
 
 		if not canvas.matrix[p.x][p.y] then
 			canvas.matrix[p.x][p.y] = {}
+			canvas.wool_matrix[p.x][p.y] = {}
 			canvas.node_matrix[p.x][p.y] = {}
 		end
 		
+		canvas.wool_matrix[p.x][p.y][p.z] = "air"	
 		canvas.matrix[p.x][p.y][p.z] = "air"	
 		canvas.node_matrix[p.x][p.y][p.z] = {
 			name = "air",
@@ -456,10 +482,11 @@ wesh.forms.capture = smartfs.create("wesh.forms.capture", function(state)
 	local capture_button = state:button(5, 0.2, 2, 1, "capture", "Capture")
 	
 	state:checkbox(0.5, 1, "generate_matrix", "Generate backup matrix"):setValue(true)
+	state:checkbox(0.5, 1.5, "ignore_variants", "Ignore variants, use RGB"):setValue(true)
 	
-	state:label(0.5, 2, "label_variants", "Select one or more variants:")
+	state:label(0.5, 2.5, "label_variants", "Select one or more variants:")
 	local variants_x = 0.5
-	local variants_y = 2.5
+	local variants_y = 3
 	
 	local delete_button = state:button(5, 2.2, 2, 0, "delete", "Manage\nMeshes")
 	local give_button = state:button(5, 3.2, 2, 0, "give", "Giveme\nMeshes")
@@ -771,21 +798,27 @@ function wesh.mesh_capture_confirmed(button_or_field, state)
 	canvas.generate_matrix = state:get("generate_matrix"):getValue()
 	canvas.max_faces = tonumber(state:get("max_faces"):getText()) or wesh.default_max_faces
 	
+	canvas.ignore_variants = state:get("ignore_variants"):getValue()
+	
 	canvas.chosen_variants = {}
 	
-	local no_variants = true
-	for name, texture in pairs(wesh.variants) do
-		if state:get("variant_" .. name):getValue() then
-			canvas.chosen_variants[name] = texture
-			no_variants = false
+	if not canvas.ignore_variants then
+	
+		local no_variants = true
+		for name, texture in pairs(wesh.variants) do
+			if state:get("variant_" .. name):getValue() then
+				canvas.chosen_variants[name] = texture
+				no_variants = false
+			end
+		end
+		
+		if no_variants then
+			wesh.notify(playername, "Please choose at least one variant")
+			return
 		end
+
 	end
 	
-	if no_variants then
-		wesh.notify(playername, "Please choose at least one variant")
-		return
-	end
-
 	canvas.boundary = {}
 	if wesh.save_new_mesh(canvas, playername, meshname) then
 		minetest.close_formspec(playername, "wesh.forms.capture")
@@ -849,15 +882,50 @@ function wesh.save_new_mesh(canvas, playername, description)
 		
 		-- this will be the actual content of the .obj file
 		local vt_section = wesh.vertex_textures
+		
+		if canvas.ignore_variants then
+			vt_section = wesh.generate_custom_vt(canvas)
+		end
+		
 		local v_section = wesh.vertices_to_string(canvas)
 		local vn_section = wesh.normals_to_string()
-		local f_section = table.concat(canvas.faces, "\n")
+		local f_section = table.concat(canvas.faces)
 		meshdata = vt_section .. v_section .. vn_section .. f_section
 	end
 	
 	return wesh.save_mesh_to_file(obj_filename, meshdata, description, playername, canvas)
 end
 
+function wesh.color_to_hex(color)
+	local r = string.format("%x", color[1]) 
+	local g = string.format("%x", color[2]) 
+	local b = string.format("%x", color[3])
+	if #r + #g + #b ~= 3 then
+		r = #r == 1 and "0" .. r or r
+		g = #g == 1 and "0" .. g or g
+		b = #b == 1 and "0" .. b or b
+	end
+	return r .. g .. b
+end
+
+function wesh.generate_custom_vt(canvas)
+	local vt_section = {}
+	local tile_strings = {}
+	local colors = canvas.custom_texture_colors
+	table.insert(tile_strings, "[combine:" .. #colors .. "x1")
+	local step = 1 / #colors
+	local gap = step / 100
+	for i, color in ipairs(colors) do
+		table.insert(vt_section, "vt " .. step * (i - 1) + gap .. "\n")
+		table.insert(vt_section, "vt " .. step * i - gap .. "\n")
+		table.insert(tile_strings, ":" .. (i - 1) .. ",0=(px.png\\^[colorize\\:#" .. wesh.color_to_hex(color) .. ")")
+	end
+	
+	canvas.tile_string = table.concat(tile_strings)
+	
+	return table.concat(vt_section)
+end
+
 -- ========================================================================
 -- file generation
 -- ========================================================================
@@ -881,6 +949,9 @@ function wesh.prepare_data_file(description, canvas)
 			fixed = boxes,
 		}
 	}
+	if canvas.ignore_variants then
+		data.variants = { rgb = canvas.tile_string }
+	end
 	return wesh.serialize(data, 2)
 end
 
@@ -923,7 +994,7 @@ function wesh.save_mesh_to_file(obj_filename, meshdata, description, playername,
 		end
 		
 		local matrix_data = {
-			colors = canvas.matrix,
+			colors = canvas.wool_matrix,
 			nodes = canvas.node_matrix,
 		}
 		
@@ -1489,7 +1560,7 @@ function wesh.construct_face(rel_pos, canvas, texture_vertices, facename, vertic
 		local index = wesh.get_vertex_index(rel_pos, canvas, vertex)
 		table.insert(face_line, index .. "/" .. texture_vertices[i] .. "/" .. normal_index .. " ")
 	end
-	table.insert(canvas.faces, table.concat(face_line))
+	table.insert(canvas.faces, table.concat(face_line) .. "\n")
 	if canvas.max_faces > 0 and #canvas.faces > canvas.max_faces then
 		error({ msg = canvas.max_faces .. " faces limit exceeded"})
 	end
@@ -1497,11 +1568,33 @@ end
 
 function wesh.get_texture_vertices(color)
 	if not wesh.color_vertices[color] then
-		return wesh.color_vertices.air
+		error({ msg = "unable to find color " .. dump(color) .. " in wesh.color_vertices"})
 	end
 	return wesh.color_vertices[color]
 end
 
+function wesh.get_custom_texture_vertices(color, canvas)
+	if type(color) ~= "table" then
+		error({ msg = "passed color variable " .. dump(color) .. " isn't a table"})
+	end
+	
+	if #color ~= 3 then
+		error({ msg = "bad length of color table " .. dump(color)})	
+	end
+	
+	local index = table.concat(color, "-")
+	local vi = canvas.custom_texture_vertices_mapping[index]
+	
+	if not vi then
+		vi = #canvas.custom_texture_colors * 2 + 1
+		table.insert(canvas.custom_texture_colors, color)
+		canvas.custom_texture_vertices_mapping[index] = vi
+	end
+	
+	return {vi, vi, vi + 1, vi + 1}
+	
+end
+
 function wesh.get_vertex_index(pos, canvas, vertex_number)
 	-- get integral offset of vertices related to voxel center
 	local offset = wesh.cube_vertices[vertex_number]
@@ -1572,7 +1665,16 @@ function wesh.node_to_voxel(rel_pos, canvas)
 	
 	local nodename = nodedata[1]
 	
-	local color = wesh.nodename_to_color[nodename] or "air"
+	local color = ""
+
+	local rgb_color = wesh.nodename_to_rgb[nodename] or "air"
+	local wool_color = wesh.nodename_to_color[nodename] or "air"
+	
+	if canvas.ignore_variants then
+		color = rgb_color
+	else
+		color = wool_color
+	end
 	
 	if color ~= "air" then
 		canvas.voxel_count = canvas.voxel_count + 1
@@ -1583,6 +1685,7 @@ function wesh.node_to_voxel(rel_pos, canvas)
 		canvas.nodename_count = canvas.nodename_count + 1
 	end
 	
+	canvas.wool_matrix[rel_pos.x][rel_pos.y][rel_pos.z] = wool_color
 	canvas.matrix[rel_pos.x][rel_pos.y][rel_pos.z] = color
 	canvas.node_matrix[rel_pos.x][rel_pos.y][rel_pos.z] = nodedata
 end
@@ -1599,7 +1702,12 @@ function wesh.voxel_to_faces(rel_pos, canvas)
 	local color = wesh.get_voxel_color(rel_pos, canvas)
 	if color == "air" then return end
 	for facename, facedata in pairs(wesh.face_construction) do
-		local texture_vertices = wesh.get_texture_vertices(color)
+		local texture_vertices = ""
+		if canvas.ignore_variants then
+			texture_vertices = wesh.get_custom_texture_vertices(color, canvas)
+		else
+			texture_vertices = wesh.get_texture_vertices(color)
+		end
 		wesh.construct_face(rel_pos, canvas, texture_vertices, facename, facedata.vertices, facedata.normal)		
 	end
 end