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Use Lua code blocks in lua_api.md

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@ -170,26 +170,28 @@ from the available ones of the following files:
Examples of sound parameter tables:
-- Play locationless
{
gain = 1.0, -- default
}
-- Play locationless, looped
{
gain = 1.0, -- default
loop = true,
}
-- Play in a location
{
pos = {x = 1, y = 2, z = 3},
gain = 1.0, -- default
}
-- Play connected to an object, looped
{
object = <an ObjectRef>,
gain = 1.0, -- default
loop = true,
}
```lua
-- Play locationless
{
gain = 1.0, -- default
}
-- Play locationless, looped
{
gain = 1.0, -- default
loop = true,
}
-- Play in a location
{
pos = {x = 1, y = 2, z = 3},
gain = 1.0, -- default
}
-- Play connected to an object, looped
{
object = <an ObjectRef>,
gain = 1.0, -- default
loop = true,
}
```
Looped sounds must either be connected to an object or played locationless.
@ -205,7 +207,9 @@ Representations of simple things
### Position/vector
{x=num, y=num, z=num}
```lua
{x=num, y=num, z=num}
```
For helper functions see "Vector helpers".
@ -231,19 +235,27 @@ is present, mapped to a boolean of any value, the specified flag is unset.
E.g. A flag field of value
{place_center_x = true, place_center_y=false, place_center_z=true}
```lua
{place_center_x = true, place_center_y=false, place_center_z=true}
```
is equivalent to
{place_center_x = true, noplace_center_y=true, place_center_z=true}
```lua
{place_center_x = true, noplace_center_y=true, place_center_z=true}
```
which is equivalent to
"place_center_x, noplace_center_y, place_center_z"
```lua
"place_center_x, noplace_center_y, place_center_z"
```
or even
"place_center_x, place_center_z"
```lua
"place_center_x, place_center_z"
```
since, by default, no schematic attributes are set.
@ -996,14 +1008,14 @@ Please do not try to access the reference until the camera is initialized, other
* `get_fov()`
* Returns a table with X, Y, maximum and actual FOV in degrees:
```lua
{
x = number,
y = number,
max = number,
actual = number
}
```
```lua
{
x = number,
y = number,
max = number,
actual = number
}
```
* `get_pos()`
* Returns position of camera with view bobbing
@ -1053,16 +1065,16 @@ Methods:
* `get_physics_override()`
* returns:
```lua
{
speed = float,
jump = float,
gravity = float,
sneak = boolean,
sneak_glitch = boolean,
new_move = boolean,
}
```
```lua
{
speed = float,
jump = float,
gravity = float,
sneak = boolean,
sneak_glitch = boolean,
new_move = boolean,
}
```
* `get_override_pos()`
* returns override position
@ -1075,38 +1087,38 @@ Methods:
* `get_movement_acceleration()`
* returns acceleration of the player in different environments:
```lua
{
fast = float,
air = float,
default = float,
}
```
```lua
{
fast = float,
air = float,
default = float,
}
```
* `get_movement_speed()`
* returns player's speed in different environments:
```lua
{
walk = float,
jump = float,
crouch = float,
fast = float,
climb = float,
}
```
```lua
{
walk = float,
jump = float,
crouch = float,
fast = float,
climb = float,
}
```
* `get_movement()`
* returns player's movement in different environments:
```lua
{
liquid_fluidity = float,
liquid_sink = float,
liquid_fluidity_smooth = float,
gravity = float,
}
```
```lua
{
liquid_fluidity = float,
liquid_sink = float,
liquid_fluidity_smooth = float,
gravity = float,
}
```
* `get_last_look_horizontal()`:
* returns last look horizontal angle
@ -1115,20 +1127,20 @@ Methods:
* `get_control()`:
* returns pressed player controls
```lua
{
up = boolean,
down = boolean,
left = boolean,
right = boolean,
jump = boolean,
aux1 = boolean,
sneak = boolean,
zoom = boolean,
dig = boolean,
place = boolean,
}
```
```lua
{
up = boolean,
down = boolean,
left = boolean,
right = boolean,
jump = boolean,
aux1 = boolean,
sneak = boolean,
zoom = boolean,
dig = boolean,
place = boolean,
}
```
* `get_armor_groups()`
* returns a table with the armor group ratings
@ -1176,10 +1188,12 @@ Can be obtained via `minetest.get_meta(pos)`.
A raycast on the map. It works with selection boxes.
Can be used as an iterator in a for loop as:
local ray = Raycast(...)
for pointed_thing in ray do
...
end
```lua
local ray = Raycast(...)
for pointed_thing in ray do
...
end
```
The map is loaded as the ray advances. If the map is modified after the
`Raycast` is created, the changes may or may not have an effect on the object.
@ -1207,97 +1221,100 @@ It can be created via `Raycast(pos1, pos2, objects, liquids)` or
#### Node Definition
```lua
{
has_on_construct = bool, -- Whether the node has the on_construct callback defined
has_on_destruct = bool, -- Whether the node has the on_destruct callback defined
has_after_destruct = bool, -- Whether the node has the after_destruct callback defined
name = string, -- The name of the node e.g. "air", "default:dirt"
groups = table, -- The groups of the node
paramtype = string, -- Paramtype of the node
paramtype2 = string, -- ParamType2 of the node
drawtype = string, -- Drawtype of the node
mesh = <string>, -- Mesh name if existent
minimap_color = <Color>, -- Color of node on minimap *May not exist*
visual_scale = number, -- Visual scale of node
alpha = number, -- Alpha of the node. Only used for liquids
color = <Color>, -- Color of node *May not exist*
palette_name = <string>, -- Filename of palette *May not exist*
palette = <{ -- List of colors
Color,
Color
}>,
waving = number, -- 0 of not waving, 1 if waving
connect_sides = number, -- Used for connected nodes
connects_to = { -- List of nodes to connect to
"node1",
"node2"
},
post_effect_color = Color, -- Color overlayed on the screen when the player is in the node
leveled = number, -- Max level for node
sunlight_propogates = bool, -- Whether light passes through the block
light_source = number, -- Light emitted by the block
is_ground_content = bool, -- Whether caves should cut through the node
walkable = bool, -- Whether the player collides with the node
pointable = bool, -- Whether the player can select the node
diggable = bool, -- Whether the player can dig the node
climbable = bool, -- Whether the player can climb up the node
buildable_to = bool, -- Whether the player can replace the node by placing a node on it
rightclickable = bool, -- Whether the player can place nodes pointing at this node
damage_per_second = number, -- HP of damage per second when the player is in the node
liquid_type = <string>, -- A string containing "none", "flowing", or "source" *May not exist*
liquid_alternative_flowing = <string>, -- Alternative node for liquid *May not exist*
liquid_alternative_source = <string>, -- Alternative node for liquid *May not exist*
liquid_viscosity = <number>, -- How slow the liquid flows *May not exist*
liquid_renewable = <boolean>, -- Whether the liquid makes an infinite source *May not exist*
liquid_range = <number>, -- How far the liquid flows *May not exist*
drowning = bool, -- Whether the player will drown in the node
floodable = bool, -- Whether nodes will be replaced by liquids (flooded)
node_box = table, -- Nodebox to draw the node with
collision_box = table, -- Nodebox to set the collision area
selection_box = table, -- Nodebox to set the area selected by the player
sounds = { -- Table of sounds that the block makes
sound_footstep = SimpleSoundSpec,
sound_dig = SimpleSoundSpec,
sound_dug = SimpleSoundSpec
},
legacy_facedir_simple = bool, -- Whether to use old facedir
legacy_wallmounted = bool -- Whether to use old wallmounted
move_resistance = <number>, -- How slow players can move through the node *May not exist*
}
{
has_on_construct = bool, -- Whether the node has the on_construct callback defined
has_on_destruct = bool, -- Whether the node has the on_destruct callback defined
has_after_destruct = bool, -- Whether the node has the after_destruct callback defined
name = string, -- The name of the node e.g. "air", "default:dirt"
groups = table, -- The groups of the node
paramtype = string, -- Paramtype of the node
paramtype2 = string, -- ParamType2 of the node
drawtype = string, -- Drawtype of the node
mesh = <string>, -- Mesh name if existent
minimap_color = <Color>, -- Color of node on minimap *May not exist*
visual_scale = number, -- Visual scale of node
alpha = number, -- Alpha of the node. Only used for liquids
color = <Color>, -- Color of node *May not exist*
palette_name = <string>, -- Filename of palette *May not exist*
palette = <{ -- List of colors
Color,
Color
}>,
waving = number, -- 0 of not waving, 1 if waving
connect_sides = number, -- Used for connected nodes
connects_to = { -- List of nodes to connect to
"node1",
"node2"
},
post_effect_color = Color, -- Color overlayed on the screen when the player is in the node
leveled = number, -- Max level for node
sunlight_propogates = bool, -- Whether light passes through the block
light_source = number, -- Light emitted by the block
is_ground_content = bool, -- Whether caves should cut through the node
walkable = bool, -- Whether the player collides with the node
pointable = bool, -- Whether the player can select the node
diggable = bool, -- Whether the player can dig the node
climbable = bool, -- Whether the player can climb up the node
buildable_to = bool, -- Whether the player can replace the node by placing a node on it
rightclickable = bool, -- Whether the player can place nodes pointing at this node
damage_per_second = number, -- HP of damage per second when the player is in the node
liquid_type = <string>, -- A string containing "none", "flowing", or "source" *May not exist*
liquid_alternative_flowing = <string>, -- Alternative node for liquid *May not exist*
liquid_alternative_source = <string>, -- Alternative node for liquid *May not exist*
liquid_viscosity = <number>, -- How slow the liquid flows *May not exist*
liquid_renewable = <boolean>, -- Whether the liquid makes an infinite source *May not exist*
liquid_range = <number>, -- How far the liquid flows *May not exist*
drowning = bool, -- Whether the player will drown in the node
floodable = bool, -- Whether nodes will be replaced by liquids (flooded)
node_box = table, -- Nodebox to draw the node with
collision_box = table, -- Nodebox to set the collision area
selection_box = table, -- Nodebox to set the area selected by the player
sounds = { -- Table of sounds that the block makes
sound_footstep = SimpleSoundSpec,
sound_dig = SimpleSoundSpec,
sound_dug = SimpleSoundSpec
},
legacy_facedir_simple = bool, -- Whether to use old facedir
legacy_wallmounted = bool -- Whether to use old wallmounted
move_resistance = <number>, -- How slow players can move through the node *May not exist*
}
```
#### Item Definition
```lua
{
name = string, -- Name of the item e.g. "default:stone"
description = string, -- Description of the item e.g. "Stone"
type = string, -- Item type: "none", "node", "craftitem", "tool"
inventory_image = string, -- Image in the inventory
wield_image = string, -- Image in wieldmesh
palette_image = string, -- Image for palette
color = Color, -- Color for item
wield_scale = Vector, -- Wieldmesh scale
stack_max = number, -- Number of items stackable together
usable = bool, -- Has on_use callback defined
liquids_pointable = bool, -- Whether you can point at liquids with the item
tool_capabilities = <table>, -- If the item is a tool, tool capabilities of the item
groups = table, -- Groups of the item
sound_place = SimpleSoundSpec, -- Sound played when placed
sound_place_failed = SimpleSoundSpec, -- Sound played when placement failed
node_placement_prediction = string -- Node placed in client until server catches up
}
{
name = string, -- Name of the item e.g. "default:stone"
description = string, -- Description of the item e.g. "Stone"
type = string, -- Item type: "none", "node", "craftitem", "tool"
inventory_image = string, -- Image in the inventory
wield_image = string, -- Image in wieldmesh
palette_image = string, -- Image for palette
color = Color, -- Color for item
wield_scale = Vector, -- Wieldmesh scale
stack_max = number, -- Number of items stackable together
usable = bool, -- Has on_use callback defined
liquids_pointable = bool, -- Whether you can point at liquids with the item
tool_capabilities = <table>, -- If the item is a tool, tool capabilities of the item
groups = table, -- Groups of the item
sound_place = SimpleSoundSpec, -- Sound played when placed
sound_place_failed = SimpleSoundSpec, -- Sound played when placement failed
node_placement_prediction = string -- Node placed in client until server catches up
}
```
-----------------
### Chat command definition (`register_chatcommand`)
{
params = "<name> <privilege>", -- Short parameter description
description = "Remove privilege from player", -- Full description
func = function(param), -- Called when command is run.
-- Returns boolean success and text output.
}
```lua
{
params = "<name> <privilege>", -- Short parameter description
description = "Remove privilege from player", -- Full description
func = function(param), -- Called when command is run.
-- Returns boolean success and text output.
}
```
### Server info
```lua
{
@ -1309,29 +1326,30 @@ It can be created via `Raycast(pos1, pos2, objects, liquids)` or
```
### HUD Definition (`hud_add`, `hud_get`)
```lua
{
hud_elem_type = "image", -- see HUD element types, default "text"
-- ^ type of HUD element, can be either of "image", "text", "statbar", or "inventory"
position = {x=0.5, y=0.5},
-- ^ Left corner position of element, default `{x=0,y=0}`.
name = "<name>", -- default ""
scale = {x=2, y=2}, -- default {x=0,y=0}
text = "<text>", -- default ""
number = 2, -- default 0
item = 3, -- default 0
-- ^ Selected item in inventory. 0 for no item selected.
direction = 0, -- default 0
-- ^ Direction: 0: left-right, 1: right-left, 2: top-bottom, 3: bottom-top
alignment = {x=0, y=0}, -- default {x=0, y=0}
-- ^ See "HUD Element Types"
offset = {x=0, y=0}, -- default {x=0, y=0}
-- ^ See "HUD Element Types"
size = { x=100, y=100 }, -- default {x=0, y=0}
-- ^ Size of element in pixels
style = 0,
-- ^ For "text" elements sets font style: bitfield with 1 = bold, 2 = italic, 4 = monospace
}
{
hud_elem_type = "image", -- see HUD element types, default "text"
-- ^ type of HUD element, can be either of "image", "text", "statbar", or "inventory"
position = {x=0.5, y=0.5},
-- ^ Left corner position of element, default `{x=0,y=0}`.
name = "<name>", -- default ""
scale = {x=2, y=2}, -- default {x=0,y=0}
text = "<text>", -- default ""
number = 2, -- default 0
item = 3, -- default 0
-- ^ Selected item in inventory. 0 for no item selected.
direction = 0, -- default 0
-- ^ Direction: 0: left-right, 1: right-left, 2: top-bottom, 3: bottom-top
alignment = {x=0, y=0}, -- default {x=0, y=0}
-- ^ See "HUD Element Types"
offset = {x=0, y=0}, -- default {x=0, y=0}
-- ^ See "HUD Element Types"
size = { x=100, y=100 }, -- default {x=0, y=0}
-- ^ Size of element in pixels
style = 0,
-- ^ For "text" elements sets font style: bitfield with 1 = bold, 2 = italic, 4 = monospace
}
```
Escape sequences
@ -1478,55 +1496,59 @@ Same as `image`, but does not accept a `position`; the position is instead deter
### Particle definition (`add_particle`)
{
pos = {x=0, y=0, z=0},
velocity = {x=0, y=0, z=0},
acceleration = {x=0, y=0, z=0},
```lua
{
pos = {x=0, y=0, z=0},
velocity = {x=0, y=0, z=0},
acceleration = {x=0, y=0, z=0},
-- ^ Spawn particle at pos with velocity and acceleration
expirationtime = 1,
expirationtime = 1,
-- ^ Disappears after expirationtime seconds
size = 1,
collisiondetection = false,
size = 1,
collisiondetection = false,
-- ^ collisiondetection: if true collides with physical objects
collision_removal = false,
collision_removal = false,
-- ^ collision_removal: if true then particle is removed when it collides,
-- ^ requires collisiondetection = true to have any effect
vertical = false,
vertical = false,
-- ^ vertical: if true faces player using y axis only
texture = "image.png",
texture = "image.png",
-- ^ Uses texture (string)
animation = {Tile Animation definition},
animation = {Tile Animation definition},
-- ^ optional, specifies how to animate the particle texture
glow = 0
glow = 0
-- ^ optional, specify particle self-luminescence in darkness
}
}
```
### `ParticleSpawner` definition (`add_particlespawner`)
{
amount = 1,
time = 1,
```lua
{
amount = 1,
time = 1,
-- ^ If time is 0 has infinite lifespan and spawns the amount on a per-second base
minpos = {x=0, y=0, z=0},
maxpos = {x=0, y=0, z=0},
minvel = {x=0, y=0, z=0},
maxvel = {x=0, y=0, z=0},
minacc = {x=0, y=0, z=0},
maxacc = {x=0, y=0, z=0},
minexptime = 1,
maxexptime = 1,
minsize = 1,
maxsize = 1,
minpos = {x=0, y=0, z=0},
maxpos = {x=0, y=0, z=0},
minvel = {x=0, y=0, z=0},
maxvel = {x=0, y=0, z=0},
minacc = {x=0, y=0, z=0},
maxacc = {x=0, y=0, z=0},
minexptime = 1,
maxexptime = 1,
minsize = 1,
maxsize = 1,
-- ^ The particle's properties are random values in between the bounds:
-- ^ minpos/maxpos, minvel/maxvel (velocity), minacc/maxacc (acceleration),
-- ^ minsize/maxsize, minexptime/maxexptime (expirationtime)
collisiondetection = false,
collisiondetection = false,
-- ^ collisiondetection: if true uses collision detection
collision_removal = false,
collision_removal = false,
-- ^ collision_removal: if true then particle is removed when it collides,
-- ^ requires collisiondetection = true to have any effect
vertical = false,
vertical = false,
-- ^ vertical: if true faces player using y axis only
texture = "image.png",
texture = "image.png",
-- ^ Uses texture (string)
}
}
```