Primordial cavern layer (#12)

* bring in the art assets from ClockGen's "better_caves_modpack" under CC BY 4.0,, code written from scratch.

* update mapgen_helper

* import ClockGen's giant mushroom schematics, make them and giant ferns growable

* add giant jungle mushroom, rough out actual cavern layer code framework

* fungal ceiling decorations

* decorate fungal floor a bit

* update mapgen_helper

* update primordial mushroom schematic placement to ensure it fits

* add giant mycelium fungoidal structure

* add giant mycelium to mapgen

* fix settings for giant mycelium

* make mycelium grow when players aren't present

* allow mycelium growth to pause when it hits unloaded areas

* add a use for giant mycelium

* make giant mushrooms edible, make jungle trees growable

* rough out the jungle biome

* Make a spectrum of jungle growth

* optimize pngs, add is_ground_content to everything

* use custom is_ground_content method

* fix a crash with veinstone, and simplify nvals_cave lookup now that overgen covers the same area

* more fixes for overgen support

* remove unintentional airspace from underside of slade

* fix for overgen crash in level 2

* primordial column material, add sealed shafts to underworld

* add seal block

* Set up puzzle seals to be able to dig a staircase shaft through the slade layer. TODO: the puzzle to guard the trigger.

* puzzle seals now fully functional. Need to add clues for decoding the keys next.

* add a small bit of anti-griefing - the seal breach bell only tolls globally 13 times per activation

* add flowers to the underworld warrior bones

* switch to a different key bell

* fancy up the puzzle seal temples with some custom blocks, add sub-slade grid passages

* add a clue to the seal formspec

* tweak background of inscription 2 so it's less obviously a copy of the background for inscription 1

* switch to compositing to save a few bytes

* fancy up the seal's upper surface with inscriptions to make the formspec feel consistent

* puzzle particle, bones were only spawning on top of structures

* fix ice/oil on level 3, tweak some loot probabilities

* add trail mod support

* remove deprecated files

* boost default plant growth delay, add growing selection boxes

* update map colours

* add named waypoints to the underworld

* try a more efficient way of changing the interiors of columns

* polishing up the Primordial layer

* update guide with some Primordial teasers

* updated magma sea screenshot

* update mapgen_helper and subterrane

* reduce density of megaflora a bit - was too hard to walk through

* spreading_dirt_type depends on light, create my own ABM instead

* add names to the glowing pits and some of the ruins

* separate setting for ruin markers

* record identity of slade-breachers

* make mycelia climbable

* update subterrane

* change surface tunnel detection to allow above-ground stalactites and stalagmites

* add rare thicker Goblin Caps, suitable for use as huts.

* better goblin cap schematics

* update colours

* make it slightly harder to dig down through amethyst sheathing of pits

* fixing up fungus light sensitivity, tree growth code

* fix a few minor bugs

* update deprecated functions

* add various eating sounds

* make mapping kit requirement more flexible

* update spindlestem growth code, remove deprecated functions

* fix leftover undefined variable

* add fireflies to primordial, spread out the post-mapgen node timer for plant matter a bit more.

* fix bones formspec

* add lbm to upgrade old bones

* fix slade undiggability

* make torchspines smokey and manually lightable

* fix drop definitions

* generate dry stalactites in near-surface caverns.

* caverns become far too smokey, alas

* add pitter patter of spore tree spores, alternate paper recipe

* new mapgen_helper metrics

* add smokey back to torchspine now that it can be dialed down a bit

* replace glowstone texture with a new animated one

* switch from ABM to node timer for mapgen mycelium growth

* make mapgen mycelium timer delay configurable

* improve the efficiency of giant mycelium growth using flat node array, fewer dereferences

* remove the smoke from torchspines again - it doesn't dissipate that deep underground

* give slade a more muted, gloomy hue to differentiate it from nether stone

* update screenshots with new slade colors

* update mapgen_helper

minetestmapper colors.txt

@@ -53,9 +53,9 @@ df_mapitems:cave_coral_1 101 73 70
 df_mapitems:cave_coral_2 101 73 70
 df_mapitems:cave_coral_3 101 73 70
 df_mapitems:cave_pearls 233 221 212
-df_mapitems:cobble_with_floor_fungus 133 130 111
-df_mapitems:cobble_with_floor_fungus_fine 105 103 86
-df_mapitems:dirt_with_cave_moss 90 176 173
+df_mapitems:cobble_with_floor_fungus 142 139 124
+df_mapitems:cobble_with_floor_fungus_fine 119 116 106
+df_mapitems:dirt_with_cave_moss 86 174 171
 df_mapitems:dry_flowstone 97 94 93
 df_mapitems:dry_stal_1 97 94 93
 df_mapitems:dry_stal_2 97 94 93
@@ -64,24 +64,78 @@ df_mapitems:dry_stal_4 97 94 93
 df_mapitems:glow_mese 143 136 2
 df_mapitems:glow_ruby_ore 164 74 82
 df_mapitems:glow_worm 183 255 255
-df_mapitems:ice_with_hoar_moss 114 132 160
-df_mapitems:icicle_1 171 191 217
-df_mapitems:icicle_2 171 191 217
-df_mapitems:icicle_3 171 191 217
-df_mapitems:icicle_4 171 191 217
+df_mapitems:ice_with_hoar_moss 113 138 172
+df_mapitems:icicle_1 168 206 247
+df_mapitems:icicle_2 168 206 247
+df_mapitems:icicle_3 168 206 247
+df_mapitems:icicle_4 168 206 247
 df_mapitems:med_crystal 202 56 52
 df_mapitems:med_crystal_30 202 56 52
 df_mapitems:med_crystal_30_45 202 56 52
 df_mapitems:mese_crystal 143 136 2
 df_mapitems:salt_crystal 248 201 201
-df_mapitems:salty_cobble 135 122 116
-df_mapitems:snareweed 94 65 46
+df_mapitems:salty_cobble 147 134 133
+df_mapitems:snareweed 79 55 35
 df_mapitems:veinstone 101 74 69
 df_mapitems:wet_flowstone 129 127 126
 df_mapitems:wet_stal_1 129 127 126
 df_mapitems:wet_stal_2 129 127 126
 df_mapitems:wet_stal_3 129 127 126
 df_mapitems:wet_stal_4 129 127 126
+df_primordial_items:dirt_with_jungle_grass 15 32 8
+df_primordial_items:dirt_with_mycelium 132 127 157
+df_primordial_items:fern_1 6 52 42
+df_primordial_items:fern_2 1 51 24
+df_primordial_items:fern_sapling 8 54 22
+df_primordial_items:fern_wood 131 102 57									
+df_primordial_items:fungal_grass_1 118 121 180
+df_primordial_items:fungal_grass_2 116 118 179
+df_primordial_items:giant_fern_leaves 16 52 29
+df_primordial_items:giant_fern_tree 59 107 64
+df_primordial_items:giant_fern_tree_slant_bottom 59 107 64
+df_primordial_items:giant_fern_tree_slant_full 59 107 64
+df_primordial_items:giant_fern_tree_slant_top 59 107 64
+df_primordial_items:giant_hypha 221 206 230
+df_primordial_items:giant_hypha_apical_mapgen 221 206 230
+df_primordial_items:giant_hypha_apical_meristem 221 206 230
+df_primordial_items:giant_hypha_root 221 206 230
+df_primordial_items:glow_orb 176 172 223
+df_primordial_items:glow_orb_hanging 174 173 210
+df_primordial_items:glow_orb_stalks 135 136 196
+df_primordial_items:glow_plant_1 168 101 171
+df_primordial_items:glow_plant_2 50 91 101
+df_primordial_items:glow_plant_3 54 108 134
+df_primordial_items:glow_pods 209 128 186
+df_primordial_items:glownode 174 175 199
+df_primordial_items:glownode_stalk 146 147 198
+df_primordial_items:jungle_grass_1 45 68 32
+df_primordial_items:jungle_grass_2 42 65 30
+df_primordial_items:jungle_grass_3 39 62 29
+df_primordial_items:jungle_ivy 8 53 15
+df_primordial_items:jungle_leaves 1 45 16
+df_primordial_items:jungle_leaves_glowing 0 87 90
+df_primordial_items:jungle_mushroom_1 92 76 67
+df_primordial_items:jungle_mushroom_2 101 85 76
+df_primordial_items:jungle_mushroom_cap_1 176 137 105
+df_primordial_items:jungle_mushroom_cap_2 72 51 34
+df_primordial_items:jungle_mushroom_sapling 101 85 76
+df_primordial_items:jungle_mushroom_trunk 165 140 125
+df_primordial_items:jungle_roots_1 33 25 16
+df_primordial_items:jungle_roots_2 36 18 9
+df_primordial_items:jungle_thorns 28 22 17
+df_primordial_items:jungle_tree 144 107 73
+df_primordial_items:jungle_tree_glowing 144 107 73
+df_primordial_items:jungle_tree_mossy 144 107 73
+df_primordial_items:jungletree_sapling 27 60 80
+df_primordial_items:mush_sapling 128 123 151
+df_primordial_items:mushroom_cap 47 35 66
+df_primordial_items:mushroom_gills 163 167 192
+df_primordial_items:mushroom_gills_glowing 197 180 249
+df_primordial_items:mushroom_trunk 161 171 196
+df_primordial_items:packed_roots 21 11 6
+df_primordial_items:plant_matter 27 45 21
+df_primordial_items:primordial_mush_cap_wood 118 117 140
+df_primordial_items:primordial_mush_trunk_wood 169 171 193											  
 df_trees:black_cap 58 58 58
 df_trees:black_cap_gills 0 0 0
 df_trees:black_cap_sapling 66 69 76
@@ -96,10 +150,10 @@ df_trees:fungiwood 225 211 117
 df_trees:fungiwood_sapling 228 191 86
 df_trees:fungiwood_shelf 225 211 117
 df_trees:fungiwood_wood 193 173 84
-df_trees:glowing_bottle_cyan 237 237 237
-df_trees:glowing_bottle_golden 237 237 237
-df_trees:glowing_bottle_green 237 237 237
-df_trees:glowing_bottle_red 237 237 237
+df_trees:glowing_bottle_cyan 214 215 223
+df_trees:glowing_bottle_golden 214 215 223
+df_trees:glowing_bottle_green 214 215 223
+df_trees:glowing_bottle_red 214 215 223
 df_trees:goblin_cap 197 68 17
 df_trees:goblin_cap_gills 239 169 169
 df_trees:goblin_cap_sapling 196 175 170
@@ -111,10 +165,10 @@ df_trees:nether_cap_gills 3 120 144
 df_trees:nether_cap_sapling 3 88 231
 df_trees:nether_cap_stem 58 51 142
 df_trees:nether_cap_wood 17 17 95
-df_trees:spindlestem_cap_cyan 235 230 215
-df_trees:spindlestem_cap_golden 235 230 215
-df_trees:spindlestem_cap_green 235 230 215
-df_trees:spindlestem_cap_red 235 230 215
+df_trees:spindlestem_cap_cyan 179 230 215
+df_trees:spindlestem_cap_golden 235 230 164
+df_trees:spindlestem_cap_green 179 230 164
+df_trees:spindlestem_cap_red 235 176 164
 df_trees:spindlestem_cap_white 235 230 215
 df_trees:spindlestem_seedling 235 230 215
 df_trees:spindlestem_stem 235 230 215
@@ -125,7 +179,7 @@ df_trees:spore_tree_ladder 191 186 175
 df_trees:spore_tree_sapling 163 152 146
 df_trees:spore_tree_wood 210 199 170
 df_trees:torchspine_1 11 11 11
-df_trees:torchspine_1_lit 195 170 11
+df_trees:torchspine_1_lit 231 203 35
 df_trees:torchspine_2 53 53 53
 df_trees:torchspine_3 94 95 95
 df_trees:torchspine_4 137 137 137
@@ -143,13 +197,17 @@ df_trees:tunnel_tube_slant_bottom 201 0 140
 df_trees:tunnel_tube_slant_full 201 0 140
 df_trees:tunnel_tube_slant_top 201 0 140
 df_trees:tunnel_tube_wood 157 20 98
+df_underworld_items:digging_seal 231 167 236
 df_underworld_items:glow_amethyst 105 42 125
 df_underworld_items:glowstone 237 220 185
+df_underworld_items:inscription_block 74 39 39
 df_underworld_items:pit_plasma 230 164 235
 df_underworld_items:pit_plasma_flowing 231 167 236
+df_underworld_items:puzzle_seal 74 39 39
 df_underworld_items:slade 71 38 38
 df_underworld_items:slade_block 74 39 39
 df_underworld_items:slade_brick 68 40 40
+df_underworld_items:slade_capstone 74 39 39
 df_underworld_items:slade_sand 54 36 36
 df_underworld_items:slade_seal 68 36 36
 df_underworld_items:slade_wall 68 40 40
@@ -157,12 +215,12 @@ dynamic_liquid:clay 183 183 183
 dynamic_liquid:spring 68 65 54
 ice_sprites:ice_sprite 184 255 255
 ice_sprites:ice_sprite_bottle 188 194 206
-magma_conduits:glow_obsidian 108 11 11
-magma_conduits:hot_cobble 121 27 27
-magma_conduits:lava_flowing 255 100 0
-magma_conduits:lava_source 255 100 0
+magma_conduits:glow_obsidian 49 5 5
+magma_conduits:hot_cobble 79 52 49
+magma_conduits:lava_flowing 203 108 20
+magma_conduits:lava_source 210 116 23
 magma_conduits:stone 97 94 93
-mine_gas:gas_seep 87 85 84
+mine_gas:gas_seep 89 86 85
 mine_gas:gas_wisp 0 138 255
 oil:oil_flowing 40 40 40
 oil:oil_source 40 40 40
@@ -197,6 +255,7 @@ stairs:slab_fungiwood_wood 193 173 84
 stairs:slab_goblin_cap_stem_wood 215 205 165
 stairs:slab_goblin_cap_wood 215 68 19
 stairs:slab_nether_cap_wood 17 17 95
+stairs:slab_slade_block 74 39 39
 stairs:slab_slade_brick 68 40 40
 stairs:slab_spore_tree_wood 210 199 170
 stairs:slab_tower_cap_wood 236 231 221
@@ -212,6 +271,7 @@ stairs:stair_inner_fungiwood_wood 193 173 84
 stairs:stair_inner_goblin_cap_stem_wood 215 205 165
 stairs:stair_inner_goblin_cap_wood 215 68 19
 stairs:stair_inner_nether_cap_wood 17 17 95
+stairs:stair_inner_slade_block 74 39 39
 stairs:stair_inner_slade_brick 68 40 40
 stairs:stair_inner_spore_tree_wood 210 199 170
 stairs:stair_inner_tower_cap_wood 236 231 221
@@ -223,21 +283,13 @@ stairs:stair_outer_fungiwood_wood 193 173 84
 stairs:stair_outer_goblin_cap_stem_wood 215 205 165
 stairs:stair_outer_goblin_cap_wood 215 68 19
 stairs:stair_outer_nether_cap_wood 17 17 95
+stairs:stair_outer_slade_block 74 39 39
 stairs:stair_outer_slade_brick 68 40 40
 stairs:stair_outer_spore_tree_wood 210 199 170
 stairs:stair_outer_tower_cap_wood 236 231 221
 stairs:stair_outer_tunnel_tube_wood 157 20 98
+stairs:stair_slade_block 74 39 39
 stairs:stair_slade_brick 68 40 40
 stairs:stair_spore_tree_wood 210 199 170
 stairs:stair_tower_cap_wood 236 231 221
-stairs:stair_tunnel_tube_wood 157 20 98
-subterrane:dry_flowstone 97 94 93
-subterrane:dry_stal_1 97 94 93
-subterrane:dry_stal_2 97 94 93
-subterrane:dry_stal_3 97 94 93
-subterrane:dry_stal_4 97 94 93
-subterrane:wet_flowstone 127 125 124
-subterrane:wet_stal_1 127 125 124
-subterrane:wet_stal_2 127 125 124
-subterrane:wet_stal_3 127 125 124
-subterrane:wet_stal_4 127 125 124
+stairs:stair_tunnel_tube_wood 157 20 98