initial commit: ice serpentHEADmaster

1 files changed, 127 insertions, 0 deletions

diff --git a/nodes.lua b/nodes.lua
new file mode 100644
index 0000000..5c70565
--- /dev/null
+++ b/nodes.lua
@@ -0,0 +1,127 @@
+--[[
+Eleficery  --- Elemental trinkets for minetest game
+Copyright © 2026 bdunahu <bdunahu@operationnull.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+--]]
+
+core.register_node("eleficery:ice_packed", {
+    description = "Packed Ice",
+    tiles = {"ice_packed.png"},
+    groups = {
+        cracky = 2,
+        cools_lava = 1,
+        slippery = 2,
+    },
+    sounds = default.node_sound_ice_defaults(),
+})
+
+local serpent_body_def = {
+    description = "Serpent Body",
+    tiles = {"serpent_body.png"},
+    paramtype = "light",
+    light_source = 5,
+    use_texture_alpha = 'clip',
+    sunlight_propagates = true,
+    drawtype = "glasslike_framed_optional",
+    groups = {
+        cracky = 3,
+        cools_lava = 1,
+        slippery = 5,
+        not_in_creative_inventory = 1,
+    },
+    sounds = default.node_sound_ice_defaults(),
+    drop = "",
+}
+
+local serpent_head_def = table.copy(serpent_body_def)
+serpent_head_def.description = "Serpent Head"
+serpent_head_def.after_place_node = function(pos, placer, itemstack, pointed_thing)
+    local meta = core.get_meta(pos)
+    local pname = placer:get_player_name()
+
+    meta:set_string("placer", pname)
+    meta:set_string("prev_pos", minetest.serialize(pos))
+    meta:set_string(
+        "prev_dir",
+        core.serialize(eleficery.snap_to_cardinal(placer:get_look_dir()))
+    )
+    meta:set_float("decay", eleficery.SERPENT_LIFETIME)
+
+    local timer = core.get_node_timer(pos)
+    timer:start(eleficery.SERPENT_GROWTH_RATE)
+    core.log("action", pname .. " placed click_test_node")
+end
+serpent_head_def.on_timer = function(pos, elapsed)
+    local meta = core.get_meta(pos)
+    local decay = meta:get_float("decay")
+
+    -- handle decay
+    meta:set_float("decay", decay - elapsed)
+    if decay <= 0 then
+        core.set_node(pos, {name = "default:water_source"})
+        return false
+    end
+
+    -- handle growth
+    local stored = meta:get_string("prev_pos")
+    local prev_pos = core.deserialize(stored)
+
+    local stored = meta:get_string("prev_dir")
+    local prev_dir = core.deserialize(stored)
+
+    local pname = meta:get_string("placer")
+    local placer = core.get_player_by_name(pname)
+
+    if placer then
+        local wielded = placer:get_wielded_item()
+        local ctrl = placer:get_player_control()
+        if ctrl.RMB then
+            -- the player is still clicking
+            local dir = eleficery.get_held_dir_to_player(placer)
+            prev_dir = dir or prev_dir
+
+            prev_pos = vector.add(
+                prev_pos,
+                prev_dir
+            )
+            if eleficery.is_water(prev_pos) then
+                core.set_node(prev_pos, {name = "eleficery:serpent_body"})
+                core.after(eleficery.SERPENT_LIFETIME, function()
+                    if core.get_node(prev_pos).name == "eleficery:serpent_body" then
+                        core.set_node(prev_pos, {name = "default:water_source"})
+                    end
+                end)
+                meta:set_string("prev_pos", core.serialize(prev_pos))
+                meta:set_string("prev_dir", core.serialize(prev_dir))
+                wielded:add_wear(65535 / (eleficery.SERPENT_MAX_TICKS - 1))
+                placer:set_wielded_item(wielded)
+                return true
+            else
+                core.chat_send_player(pname, "Oh no! Your serpent crashed!")
+                wielded:add_wear(65535) -- snap!
+                placer:set_wielded_item(wielded)
+            end
+        end
+    end
+
+    meta:set_string("placer", nil)
+    if placer then
+        player_monoids.speed:del_change(placer, "eleficery:serpent")
+    end
+    return true
+end
+
+core.register_node("eleficery:serpent_body", serpent_body_def)
+core.register_node("eleficery:serpent_head", serpent_head_def)