mods/ITEMS/mcl_core/nodes_liquid.lua

   1 -- Liquids: Water and lava
   2
   3 local S = minetest.get_translator("mcl_core")
   4 local N = function(s) return s end
   5
   6 local WATER_ALPHA = 179
   7 local WATER_VISC = 1
   8 local LAVA_VISC = 7
   9 local LIGHT_LAVA = minetest.LIGHT_MAX
  10
  11 local lava_death_messages = {
  12         N("@1 melted in lava."),
  13         N("@1 took a bath in a hot lava tub."),
  14         N("@1 died in lava."),
  15         N("@1 could not survive in lava."),
  16 }
  17
  18 minetest.register_node("mcl_core:water_flowing", {
  19         description = S("Flowing Water"),
  20         _doc_items_create_entry = false,
  21         wield_image = "default_water_flowing_animated.png^[verticalframe:64:0",
  22         drawtype = "flowingliquid",
  23         tiles = {"default_water_flowing_animated.png^[verticalframe:64:0"},
  24         special_tiles = {
  25                 {
  26                         image="default_water_flowing_animated.png",
  27                         backface_culling=false,
  28                         animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=4.0}
  29                 },
  30                 {
  31                         image="default_water_flowing_animated.png",
  32                         backface_culling=false,
  33                         animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=4.0}
  34                 },
  35         },
  36         sounds = mcl_sounds.node_sound_water_defaults(),
  37         is_ground_content = false,
  38         alpha = WATER_ALPHA,
  39         paramtype = "light",
  40         paramtype2 = "flowingliquid",
  41         walkable = false,
  42         pointable = false,
  43         diggable = false,
  44         buildable_to = true,
  45         drop = "",
  46         drowning = 4,
  47         liquidtype = "flowing",
  48         liquid_alternative_flowing = "mcl_core:water_flowing",
  49         liquid_alternative_source = "mcl_core:water_source",
  50         liquid_viscosity = WATER_VISC,
  51         liquid_range = 7,
  52         post_effect_color = {a=209, r=0x03, g=0x3C, b=0x5C},
  53         groups = { water=3, liquid=3, puts_out_fire=1, not_in_creative_inventory=1, freezes=1, melt_around=1, dig_by_piston=1},
  54         _mcl_blast_resistance = 100,
  55         -- Hardness intentionally set to infinite instead of 100 (Minecraft value) to avoid problems in creative mode
  56         _mcl_hardness = -1,
  57 })
  58
  59 minetest.register_node("mcl_core:water_source", {
  60         description = S("Water Source"),
  61         _doc_items_entry_name = S("Water"),
  62         _doc_items_longdesc =
  63 S("Water is abundant in oceans and also appears in a few springs in the ground. You can swim easily in water, but you need to catch your breath from time to time.").."\n\n"..
  64 S("Water interacts with lava in various ways:").."\n"..
  65 S("• When water is directly above or horizontally next to a lava source, the lava turns into obsidian.").."\n"..
  66 S("• When flowing water touches flowing lava either from above or horizontally, the lava turns into cobblestone.").."\n"..
  67 S("• When water is directly below lava, the water turns into stone."),
  68         _doc_items_hidden = false,
  69         drawtype = "liquid",
  70         tiles = {
  71                 {name="default_water_source_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=5.0}}
  72         },
  73         special_tiles = {
  74                 -- New-style water source material (mostly unused)
  75                 {
  76                         name="default_water_source_animated.png",
  77                         animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=5.0},
  78                         backface_culling = false,
  79                 }
  80         },
  81         sounds = mcl_sounds.node_sound_water_defaults(),
  82         is_ground_content = false,
  83         alpha = WATER_ALPHA,
  84         paramtype = "light",
  85         walkable = false,
  86         pointable = false,
  87         diggable = false,
  88         buildable_to = true,
  89         drop = "",
  90         drowning = 4,
  91         liquidtype = "source",
  92         liquid_alternative_flowing = "mcl_core:water_flowing",
  93         liquid_alternative_source = "mcl_core:water_source",
  94         liquid_viscosity = WATER_VISC,
  95         liquid_range = 7,
  96         post_effect_color = {a=209, r=0x03, g=0x3C, b=0x5C},
  97         stack_max = 64,
  98         groups = { water=3, liquid=3, puts_out_fire=1, freezes=1, not_in_creative_inventory=1, dig_by_piston=1},
  99         _mcl_blast_resistance = 100,
 100         -- Hardness intentionally set to infinite instead of 100 (Minecraft value) to avoid problems in creative mode
 101         _mcl_hardness = -1,
 102 })
 103
 104 minetest.register_node("mcl_core:lava_flowing", {
 105         description = S("Flowing Lava"),
 106         _doc_items_create_entry = false,
 107         wield_image = "default_lava_flowing_animated.png^[verticalframe:64:0",
 108         drawtype = "flowingliquid",
 109         tiles = {"default_lava_flowing_animated.png^[verticalframe:64:0"},
 110         special_tiles = {
 111                 {
 112                         image="default_lava_flowing_animated.png",
 113                         backface_culling=false,
 114                         animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=6.6}
 115                 },
 116                 {
 117                         image="default_lava_flowing_animated.png",
 118                         backface_culling=false,
 119                         animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=6.6}
 120                 },
 121         },
 122         paramtype = "light",
 123         paramtype2 = "flowingliquid",
 124         light_source = LIGHT_LAVA,
 125         is_ground_content = false,
 126         sounds = mcl_sounds.node_sound_lava_defaults(),
 127         walkable = false,
 128         pointable = false,
 129         diggable = false,
 130         buildable_to = true,
 131         drop = "",
 132         --[[ Drowning in Minecraft deals 2 damage per second.
 133         In Minetest, drowning damage is dealt every 2 seconds so this
 134         translates to 4 drowning damage ]]
 135         drowning = 4,
 136         liquidtype = "flowing",
 137         liquid_alternative_flowing = "mcl_core:lava_flowing",
 138         liquid_alternative_source = "mcl_core:lava_source",
 139         liquid_viscosity = LAVA_VISC,
 140         liquid_renewable = false,
 141         liquid_range = 3,
 142         damage_per_second = 4*2,
 143         _mcl_node_death_message = lava_death_messages,
 144         post_effect_color = {a=245, r=208, g=73, b=10},
 145         groups = { lava=3, liquid=2, destroys_items=1, not_in_creative_inventory=1, dig_by_piston=1},
 146         _mcl_blast_resistance = 100,
 147         -- Hardness intentionally set to infinite instead of 100 (Minecraft value) to avoid problems in creative mode
 148         _mcl_hardness = -1,
 149 })
 150
 151 local fire_text
 152 local fire_enabled = minetest.settings:get_bool("enable_fire", true)
 153 if fire_enabled then
 154         fire_text = S("A lava source sets fire to a couple of air blocks above when they're next to a flammable block.")
 155 else
 156         fire_text = ""
 157 end
 158
 159 minetest.register_node("mcl_core:lava_source", {
 160         description = S("Lava Source"),
 161         _doc_items_entry_name = "Lava",
 162         _doc_items_longdesc =
 163 S("Lava is hot and rather dangerous. Don't touch it, it will hurt you a lot and it is hard to get out.").."\n"..
 164 fire_text.."\n\n"..
 165 S("Lava interacts with water various ways:").."\n"..
 166 S("• When a lava source is directly below or horizontally next to water, the lava turns into obsidian.").."\n"..
 167 S("• When flowing water touches flowing lava either from above or horizontally, the lava turns into cobblestone.").."\n"..
 168 S("• When lava is directly above water, the water turns into stone."),
 169         drawtype = "liquid",
 170         tiles = {
 171                 {name="default_lava_source_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=3.0}}
 172         },
 173         special_tiles = {
 174                 -- New-style lava source material (mostly unused)
 175                 {
 176                         name="default_lava_source_animated.png",
 177                         animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=3.0},
 178                         backface_culling = false,
 179                 }
 180         },
 181         paramtype = "light",
 182         light_source = LIGHT_LAVA,
 183         is_ground_content = false,
 184         sounds = mcl_sounds.node_sound_lava_defaults(),
 185         walkable = false,
 186         pointable = false,
 187         diggable = false,
 188         buildable_to = true,
 189         drop = "",
 190         drowning = 4,
 191         liquidtype = "source",
 192         liquid_alternative_flowing = "mcl_core:lava_flowing",
 193         liquid_alternative_source = "mcl_core:lava_source",
 194         liquid_viscosity = LAVA_VISC,
 195         liquid_renewable = false,
 196         liquid_range = 3,
 197         damage_per_second = 4*2,
 198         _mcl_node_death_message = lava_death_messages,
 199         post_effect_color = {a=245, r=208, g=73, b=10},
 200         stack_max = 64,
 201         groups = { lava=3, lava_source=1, liquid=2, destroys_items=1, not_in_creative_inventory=1, dig_by_piston=1},
 202         _mcl_blast_resistance = 100,
 203         -- Hardness intentionally set to infinite instead of 100 (Minecraft value) to avoid problems in creative mode
 204         _mcl_hardness = -1,
 205 })
 206
 207 local emit_lava_particle = function(pos)
 208         local node = minetest.get_node(pos)
 209         if minetest.get_item_group(node.name, "lava_source") == 0 then
 210                 return
 211         end
 212         local ppos = vector.add(pos, { x = math.random(-7, 7)/16, y = 0.45, z = math.random(-7, 7)/16})
 213         local spos = vector.add(ppos, { x = 0, y = -0.2, z = 0 })
 214         local vel = { x = math.random(-3, 3)/10, y = math.random(4, 7), z = math.random(-3, 3)/10 }
 215         local acc = { x = 0, y = -9.81, z = 0 }
 216         -- Lava droplet
 217         minetest.add_particle({
 218                 pos = ppos,
 219                 velocity = vel,
 220                 acceleration = acc,
 221                 expirationtime = 2.5,
 222                 collisiondetection = true,
 223                 collision_removal = true,
 224                 size = math.random(20, 30)/10,
 225                 texture = "mcl_particles_lava.png",
 226                 glow = LIGHT_LAVA,
 227         })
 228 end
 229
 230 if minetest.settings:get("mcl_node_particles") == "full" then
 231         minetest.register_abm({
 232                 label = "Lava particles",
 233                 nodenames = {"group:lava_source"},
 234                 interval = 8.0,
 235                 chance = 20,
 236                 action = function(pos, node)
 237                         local apos = {x=pos.x, y=pos.y+1, z=pos.z}
 238                         local anode = minetest.get_node(apos)
 239                         -- Only emit partiles when directly below lava
 240                         if anode.name ~= "air" then
 241                                 return
 242                         end
 243
 244                         minetest.after(math.random(0, 800)*0.01, emit_lava_particle, pos)
 245                 end,
 246         })
 247 end