^ Show an image
^ Position and size units are inventory slots
+item_image[<X>,<Y>;<W>,<H>;<item name>]
+^ Show an inventory image of registered item/node
+^ Position and size units are inventory slots
+
background[<X>,<Y>;<W>,<H>;<texture name>]
^ Use a background. Inventory rectangles are not drawn then.
^ Position and size units are inventory slots
^ image is the filename of an image
^ Position and size units are inventory slots
+item_image_button[<X>,<Y>;<W>,<H>;<item name>;<name>;<label>]
+^ x, y, w, h, name and label work as per button
+^ item name is the registered name of an item/node,
+ tooltip will be made out of its descritption
+^ Position and size units are inventory slots
+
button_exit[<X>,<Y>;<W>,<H>;<name>;<label>]
^ When clicked, fields will be sent and the form will quit.
^ WARNING: If the server terminates abnormally (i.e. crashes), the registered
callbacks WILL LIKELY NOT BE RUN. Data should be saved at
semi-frequent intervals as well as on server shutdown.
-minetest.register_on_placenode(func(pos, newnode, placer, oldnode))
+minetest.register_on_placenode(func(pos, newnode, placer, oldnode, itemstack))
^ Called when a node has been placed
+^ If return true no item is taken from itemstack
^ Deprecated: Use on_construct or after_place_node in node definition instead
minetest.register_on_dignode(func(pos, oldnode, digger))
^ Called when a node has been dug.
minetest.create_detached_inventory(name, callbacks) -> InvRef
^ callbacks: See "Detached inventory callbacks"
^ Creates a detached inventory. If it already exists, it is cleared.
+minetest.show_formspec(playername, formspec)
+^ playername: name of player to show formspec
+^ formspec: formspec to display
Item handling:
minetest.inventorycube(img1, img2, img3)
^ Return world-specific perlin noise (int(worldseed)+seeddiff)
- clear_objects()
^ clear all objects in the environments
+- spawn_tree (pos, {treedef})
+ ^ spawns L-System tree at given pos with definition in treedef table
+ treedef={
+ axiom, - string initial tree axiom
+ rules_a, - string rules set A
+ rules_b, - string rules set B
+ rules_c, - string rules set C
+ rules_d, - string rules set D
+ trunk, - string trunk node name
+ leaves, - string leaves node name
+ angle, - num angle in deg
+ iterations, - num max # of iterations, usually 2 -5
+ random_level, - num factor to lower nr of iterations, usually 0 - 3
+ thin_trunks, - boolean true -> use thin trunks
+ fruit_tree, - boolean true -> is a fruit tree
+ fruit - string fruit node name
+ }
+
+ Key for Special L-System Symbols used in Axioms
+ G - move forward one unit with the pin down
+ F - move forward one unit with the pin up
+ A - replace with rules set A
+ B - replace with rules set B
+ C - replace with rules set C
+ D - replace with rules set D
+ a - replace with rules set A, chance 90%
+ b - replace with rules set B, chance 80%
+ c - replace with rules set C, chance 70%
+ d - replace with rules set D, chance 60%
+ + - yaw the turtle right by angle parameter
+ - - yaw the turtle left by angle parameter
+ & - pitch the turtle down by angle parameter
+ ^ - pitch the turtle up by angle parameter
+ / - roll the turtle to the right by angle parameter
+ * - roll the turtle to the left by angle parameter
+ [ - save in stack current state info
+ ] - recover from stack state info
+
+ Example usage: spawn small apple tree
+ apple_tree={
+ axiom="FFFFFAFFBF",
+ rules_a="[&&&FFFFF&&FFFF][&&&++++FFFFF&&FFFF][&&&----FFFFF&&FFFF]",
+ rules_b="[&&&++FFFFF&&FFFF][&&&--FFFFF&&FFFF][&&&------FFFFF&&FFFF]",
+ trunk="default:tree",
+ leaves="default:leaves",
+ angle=30,
+ iterations=2,
+ random_level=0,
+ thin_trunks=true,
+ fruit_tree=true,
+ fruit="default:apple"
+ }
+ minetest.env:spawn_tree(pos,apple_tree)
+
Deprecated:
- add_rat(pos): Add C++ rat object (no-op)
- add_firefly(pos): Add C++ firefly object (no-op)
^ Node destructor; always called after removing node
^ default: nil
- after_place_node = func(pos, placer),
+ after_place_node = func(pos, placer, itemstack),
^ Called after constructing node when node was placed using
minetest.item_place_node / minetest.env:place_node
+ ^ If return true no item is taken from itemstack
^ default: nil
after_dig_node = func(pos, oldnode, oldmetadata, digger),
^ oldmetadata is in table format