[docs] Updated.
Quentin Bazin
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d861627599
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@ -24,7 +24,9 @@ The long-term goal of this project is to provide a viable alternative to Minecra
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## Wiki
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- [Getting started](https://github.com/Unarelith/OpenMiner/wiki/Getting-Started)
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- [Lua API Overview](https://github.com/Unarelith/OpenMiner/wiki/Lua-API-Overview)
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- [Coding style](https://github.com/Unarelith/OpenMiner/wiki/Coding-Style)
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- [Lua API](https://openminer.readthedocs.io/en/latest/lua-api-overview/)
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- [Blocks](https://openminer.readthedocs.io/en/latest/lua-api-blocks/)
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## Keys
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@ -1,80 +1,222 @@
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# Lua API: Blocks
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- [Attributes](#attributes)
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- [Data types](#data-types)
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- [Draw types](#draw-types)
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- [Functions](#functions)
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- [on_block_placed](#on_block_placed)
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- [on_block_activatd](#on_block_activated)
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- [on_tick](#on_tick)
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## Example
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```lua
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mod:block {
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id = "myblock", -- mandatory
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name = "My Block", -- mandatory
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tiles = "myblock.png",
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}
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```
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## Attributes
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Blocks can have the following attributes:
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### `id`
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| Attribute | Type | Description |
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| -------------------- | ------------- | ---------------------------------------------------- |
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| id* | string | ID of the block without the "mod:" prefix |
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| label* | string | Label of the block |
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| on_block_placed | function | Called when the block is placed |
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| on_block_activated | function | Called when a player right-click the block |
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| on_tick | function | Called every tick |
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| harvest_requirements | u8 | Set which tools are more effective |
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| hardness | float | Hardness of the block, affects mining speed |
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| is_opaque | bool | Whether or not the block let light pass |
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| is_light_source | bool | Whether or not the block is a light source |
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| is_rotatable | bool | Whether or not the block is rotatable |
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| bounding_box | float[6] | Bounding box of the block {x,y,z,w,d,h} |
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| draw_type | string | Draw type of the block (see [Draw types](#draw-types)) |
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| item_drop | ItemStack | Item stack that is dropped when the block is broken |
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| color_multiplier | u8[4] | Only grayscale colors are affected by this attribute |
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ID of the block. **Mandatory field.**
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NB: Attributes with a `*` means they're mandatory
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Example:
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```lua
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id = "cobblestone"
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```
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### Data types
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IDs are usually of the form `mod:block` but the `mod:` prefix is prepended automatically so it's not needed.
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`ItemStack` is a table composed of:
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### `name`
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- `id` (`string`): item id with the "mod:" prefix
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- `amount` (`u16`): amount in the stack
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Label of the block. **Mandatory field.**
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### Draw types
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Example:
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```lua
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name = "Cobblestone"
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```
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The currently allowed draw type values are:
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This label is the name that will appear everywhere in the game.
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- `solid`
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- `xshape`
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- `leaves`
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- `liquid`
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- `glass`
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### `tiles`
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This field can be either a single string, or a table of strings.
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Example:
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``` lua
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tiles = "myblock.png"
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-- or
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tiles = {"myblock_top.png", "myblock_bottom.png", "myblock_side.png"}
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```
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More documentation will come on the table form.
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The textures will be loaded from `mods/<your-mod>/textures/blocks`
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**Note:** Currently, you can only use textures of the exact same size (16x16, 32x32) than the other block textures in the game.
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### `harvest_requirements`
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Set which tools are more effective.
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**Note:** This attribute would need more doc but it'll probably get removed soon.
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### `hardness`
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Hardness of the block, affects mining speed.
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Example:
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```lua
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hardness = 0.5
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```
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Default value is `1.0`, any value under this will increase mining speed, and any value above will decrease mining speed.
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### `is_opaque`
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Defines if the block let the light pass or not.
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Example:
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```lua
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is_opaque = true -- this is the default value
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```
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### `is_light_source`
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Defines if the block is the light source or not.
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Example:
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```lua
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is_light_source = false -- this is the default value
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```
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### `is_rotatable`
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Defines if the block should face the player when placed, like the furnace for example
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Example:
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```lua
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is_rotatable = false -- this is the default value
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```
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### `bounding_box`
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Bounding box of the box.
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Example:
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```lua
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bounding_box = {0, 0, 0, 1, 1, 1} -- this is default value
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```
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Format is `{x, y, z, width, depth, height}`. Note that OpenMiner uses Z axis as up.
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The bounding box determines collisions with the block, as well as the selection box that will be displayed when looking at the block.
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Note: This is what affects the temporary `boundingbox` draw type.
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### `draw_type`
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Draw type of the block, see [Draw types](#draw-types) for more details.
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Example:
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```lua
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draw_type = "solid" -- this is the default value
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```
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### `item_drop`
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Item stack that is given to the player when breaking the block.
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Example:
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```lua
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item_drop = {
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id = "default:cobblestone",
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amount = 1
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} -- this is the default drop of a 'default:cobblestone' block
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```
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### `color_multiplier`
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Color multiplier of the grayscale parts of the block texture.
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Example:
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```lua
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color_multiplier = {1, 1, 1, 1} -- full white, this is the default value
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```
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Only the pure gray parts (red == green == blue) will be affected by this multiplier.
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## Draw types
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The draw type changes how the block is rendered.
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### `solid`
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This draw type is the default draw type of the blocks.
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It renders a basic textured cube of size 1x1x1.
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### `xshape`
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Draws two textured quads that form an X shape.
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Useful for flora, tallgrass, mushrooms, etc...
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### `leaves`
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Keep all the faces while drawing a block.
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Especially useful for leaves.
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### `liquid`
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This draw type doesn't do much yet.
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Makes a single mesh with all the connected blocks of the same type in a chunk.
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It will be rendered without back-face culling (this is why you can see water surface while being inside).
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### `glass`
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Draw type used for glass-type blocks. Also works for portals.
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Almost the same as the `liquid` draw type, except that back-face culling is enabled.
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### `cactus`
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Using the `bounding_box` attribute, will draw a # shape instead of a cube.
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Useful for `cactus` block.
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### `boundingbox`
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NB: Temporary draw type.
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Allow drawing a block of the size of the `bounding_box`.
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## Functions
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### on_block_placed
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### `on_block_placed`
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Parameters:
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- `pos` (`vec3`): position of the block
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- `pos` (`ivec3`): position of the block
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- `world` (`World`): instance of `ServerWorld`
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### on_block_activated
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### `on_block_activated`
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Parameters:
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- `pos` (`vec3`): position of the block
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- `player` (`Player`): current player
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- `pos` (`ivec3`): position of the block
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- `player` (`Player`): player that activated the block
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- `world` (`World`): instance of the `ServerWorld`
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- `client` (`Client`): client that activated the block
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- `server` (`Server`): current server
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- `screen_width` (`u16`): width of the screen
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- `screen_height` (`u16`): height of the screen
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- `gui_scale` (`u8`): current scaling setting
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### on_tick
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### `on_tick`
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Parameters:
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- `pos` (`vec3`): position of the block
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- `player` (`Player`): current player
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- `pos` (`ivec3`): position of the block
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- `chunk` (`Chunk`): current chunk
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- `world` (`World`): instance of the `ServerWorld`
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@ -1,32 +1,36 @@
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# Lua API: Overview
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## Table of contents
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- [Lua API](#lua-api)
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- [Core API](#core-api)
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- [Mod API](#mod-api)
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- [Custom GUI](#custom-gui)
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- [Button](#button)
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- [Inventory](#inventory)
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- [Crafting table](#crafting-table)
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- [Image](#image)
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- [C++ classes in Lua](#c-classes-in-lua)
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- [Registry](#registry)
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- [World](#world)
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- [Chunk](#chunk)
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- [BlockData](#blockdata)
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- [Player](#player)
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- [Inventory](#inventory-1)
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- [Recipe](#recipe)
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- [ItemStack](#itemstack)
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- [Item](#item)
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## Lua API
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Note: The Lua API is currently server-side only.
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### Core API
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- `Registry *openminer:registry()`
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- `openminer:add_listener(event_type, listener)`
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#### `openminer:registry()`
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This function returns the `Registry` instance of the server.
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#### `openminer:add_listener(event_type, listener)`
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Adds a listener to a specific type of event.
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Example:
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```lua
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openminer:add_listener(EventType.OnBlockPlaced, function(pos, player, world, client, server)
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server:send_chat_message(0, "Block placed at " .. pos.x .. ";" .. pos.y .. ";" .. pos.z .. " by Client" .. player:client_id(), client);
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end)
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openminer:add_listener(EventType.OnBlockActivated, function(pos, block, player, world, client, server)
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if block:string_id() == "default:portal" then
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server:send_chat_message(0, "Swoosh! Changing dimension...", client);
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end
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end)
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```
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Possible events:
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- `OnBlockPlaced`: `funcion(pos, player, world, client, server)`
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- `OnBlockActivated`: `function(pos, block, player, world, client, server)`
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### Mod API
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@ -39,14 +43,10 @@ mod:block {
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id = "myblock",
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name = "My Block",
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tiles = "myblock.png",
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hardness = 3,
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harvest_requirements = 1,
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on_tick = function(pos, player, chunk, world) end,
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on_block_activated = function(pos, player, world, client) end,
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}
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mod:item {
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id = "mymod:myitem",
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id = "myitem",
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name = "My Item",
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tiles = "myitem.png",
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}
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@ -67,12 +67,14 @@ mod:crafting_recipe {
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}
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mod:smelting_recipe {
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input = {id = "mymod:myblock", amount = 1},
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output = {id = "default:ingot_iron", amount = 1}
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input = {id = "mymod:myitem", amount = 1},
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output = {id = "mymod:myblock", amount = 1}
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}
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```
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I'll describe all the possible options later.
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Documented API so far:
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- [Blocks](lua-api-blocks.md)
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### Custom GUI
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@ -144,29 +146,66 @@ gui:image {
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### Registry
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- `Block get_block(u16 id)`
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- `Item get_item(u16 id)`
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- `Sky get_sky(u16 id)`
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- `Tree get_tree(u16 id)`
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- `Biome get_biome(u16 id)`
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- `Recipe get_recipe(Inventory crafting_inventory)`
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- `Block get_block_from_string(string id)`
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- `Item get_item_from_string(string id)`
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- `Sky get_sky_from_string(string id)`
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- `Tree get_tree_from_string(string id)`
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- `Biome get_biome_from_string(string id)`
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- `List<Block> blocks()`
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- `List<Item> items()`
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- `List<Tree> trees()`
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- `List<Biome> biomes()`
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- `List<Dimension> dimensions()`
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### World
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- `u16 get_block(int x, int y, int z)`
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- `void set_block(int x, int y, int z, u16 block)`
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- `u16 get_data(int x, int y, int z)`
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- `void set_data(int x, int y, int z, u16 data)`
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- `BlockData *add_block_data(int x, int y, int z, int inventoryWidth, int inventoryHeight)`
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- `BlockData *get_block_data(int x, int y, int z)`
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### Chunk
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- `u16 get_block(int x, int y, int z)`
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- `void set_block(int x, int y, int z, u16 block)`
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- `u16 get_data(int x, int y, int z)`
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- `void set_data(int x, int y, int z, u16 data)`
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- `BlockData *add_block_data(int x, int y, int z, int inventoryWidth, int inventoryHeight)`
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- `BlockData *get_block_data(int x, int y, int z)`
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### BlockData
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- `Inventory *inventory()`
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- `u32 data()`
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- `Inventory *inventory`
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- `BlockMetadata *meta`
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- `bool use_alt_tiles`
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### Block
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- `u16 id()`
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- `u16 data()`
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- `string string_id()`
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- `string label()`
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- `stirng mod_name()`
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- `bool is_opaque()`
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### Player
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- `Inventory *inventory()`
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- `double x()`
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- `double y()`
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- `double z()`
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- `void set_position(double x, double y, double z)`
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- `u16 dimension()`
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- `void set_dimension(u16 dimension)`
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- `u16 client_id()`
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### Inventory
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@ -189,4 +228,27 @@ gui:image {
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- `u16 id()`
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- `string name()`
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- `u16 burn_time()`
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- `bool is_fuel()`
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### ivec3
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- `int x`
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- `int y`
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- `int z`
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### BlockMetadata
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- `string get_string(string attribute)`
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- `void set_string(string attribute, string value)`
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- `int get_int(string attribute)`
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- `void set_int(string attribute, int value)`
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### ClientInfo
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- `u16 id()`
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### ServerCommandHandler
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- `void send_player_change_dimension(u16 clientID, int x, int y, int z, u16 dimension, ClientInfo client)`
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- `void send_chat_message(u16 senderID, string message, ClientInfo client)`
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