add transformable plant.

shit/simple_grow/init.lua

@@ -8,14 +8,12 @@
         chance
     }
 }
-
---
---
---
 ]]--
 
 STANDART_SPGROW_TIME = 120
 
+local TRANSFORMS = {}
+
 function register_plant_with_full_stages(grow_table)
 
     for stage in ipairs(grow_table) do
@@ -75,3 +73,56 @@ function register_simple_plant(name, final_description, stage_max, stage_time, i
     
     register_plant_with_full_stages(ngrow_table)
 end
+
+function register_transform_plant(grow_table)
+
+    for stage in ipairs(grow_table) do
+        if grow_table[stage].chance > 1 then 
+            grow_table[stage].chance = 1
+        end
+
+        minetest.register_node(grow_table[stage].name, {
+            description = grow_table[stage].name,
+            drawtype = "plantlike",
+            walkable = false,
+            tile_images = {grow_table[stage].image},
+            inventory_image = grow_table[stage].image,
+            wield_image = grow_table[stage].image,
+            paramtype = "light",
+            drop = grow_table[stage].drop,
+            groups = grow_table[stage].groups,
+            sounds = default.node_sound_leaves_defaults(),
+        })
+        
+        if (grow_table[stage].transform ~= nil) then
+            
+            TRANSFORMS[grow_table[stage].name] = grow_table[stage].transform
+            
+            minetest.register_abm({
+                nodenames = { grow_table[stage].name },
+                interval = grow_table[stage].time * STANDART_SPGROW_TIME,
+                chance = grow_table[stage].chance,                    
+                action = function (pos, node)
+                    if math.random() < grow_table[stage].chance then
+                        local rnd = 1
+                        if #(TRANSFORMS[node.name]) > 1 then
+                            rnd = math.random(#(TRANSFORMS[node.name]))
+                        end
+                        local transform = TRANSFORMS[node.name][rnd]
+
+                        minetest.env:add_node({
+                                x = pos.x + transform.x,
+                                y = pos.y + transform.y,
+                                z = pos.z + transform.z
+                            }, 
+                            {name = transform.newname}
+                        )
+                        if transform.oldname ~= nil then
+                            minetest.env:add_node(pos, {name = transform.oldname})   
+                        end
+                    end
+                end
+            })
+        end
+    end
+end

shit/simple_plant/init.lua

@@ -68,4 +68,70 @@ minetest.register_craftitem('simple_plant:n_seed', {
         end
         return itemstack
     end,
+})
+------------------------
+minetest.register_craftitem('simple_plant:strange_seed', {
+    description = 'Strange seed',
+    inventory_image = 'seed_strange.png',
+    stack_max = 99,
+    usable = true,
+    on_use = function(itemstack, user, pointed_thing)
+        -- Must be pointing to node
+        if pointed_thing.type == 'node' then
+            n = minetest.env:get_node(pointed_thing.under)
+            if n.name == 'default:dirt_with_grass' then
+                minetest.env:add_node(pointed_thing.above, {name='simple_plant:sp1'})
+            end
+            itemstack:take_item()
+        end
+        return itemstack
+    end,
+})
+
+register_transform_plant({
+    {   
+        name = 'simple_plant:sp1',
+        transform = {{newname = 'simple_plant:sp2', x =0, y=0, z=0}},
+        time = 0.5,
+        image = 'sp1.png',
+        drop = '',
+        groups = {snappy=3},
+        chance = 0.7
+    },
+    {   
+        name = 'simple_plant:sp2',
+        transform = {{newname = 'simple_plant:sp_fin', oldname ='simple_plant:sp_stem', x =0, y=1, z=0},
+                     {newname = 'simple_plant:sp_fin', oldname ='simple_plant:sp_stem2', x =0, y=1, z=0}},
+        time = 0.5,
+        image = 'sp2.png',
+        drop = '',
+        groups = {snappy=3},
+        chance = 0.7
+    },
+    {   
+        name = 'simple_plant:sp_stem',
+        transform = nil,
+        time = 0.5,
+        image = 'sp_stem.png',
+        drop = '',
+        groups = {snappy=3},
+        chance = 0.7
+    },
+    {   
+        name = 'simple_plant:sp_stem2',
+        transform = nil,
+        time = 0.5,
+        image = 'sp_stem2.png',
+        drop = '',
+        groups = {snappy=3},
+        chance = 0.7
+    },
+     {   
+        name = 'simple_plant:sp_fin',
+        time = 0.5,
+        image = 'sp_fin.png',
+        drop = 'simple_plant:strange_seed',
+        groups = {snappy=3},
+        chance = 0.7
+    }
 })