mirror of
https://github.com/MihailRis/voxelcore.git
synced 2026-10-04 10:31:50 +00:00
Merge pull request #862 from MihailRis/update-raycast
add advanced raycast function
This commit is contained in:
commit
8d7fab1f2f
19 changed files with 447 additions and 162 deletions
47
dev/tests/raycast.lua
Normal file
47
dev/tests/raycast.lua
Normal file
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@ -0,0 +1,47 @@
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local util = require "core:tests_util"
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-- Create world and prepare settings
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util.create_demo_world("core:default")
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app.set_setting("chunks.load-distance", 3)
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app.set_setting("chunks.load-speed", 1)
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-- Create player
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local pid = player.create("Xerxes")
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player.set_spawnpoint(pid, 0, 100, 0)
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player.set_pos(pid, 0, 100, 0)
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app.sleep_until(function () return block.get(0, 0, 0) ~= -1 end)
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app.sleep_until(function () return block.get(-5, 8, 2) ~= -1 end)
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local sand_idx = block.index("base:sand")
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block.set(0, 1, 0, sand_idx)
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local start = {-5, 8, 2}
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local target = {0.5, 1.5, 0.5}
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local ray = world.raycast({
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start = start,
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dir = vec3.normalize(vec3.sub(target, start)),
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distance = 10,
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})
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debug.print(ray)
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assert(ray, "ray didn't hit")
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util.check_int(sand_idx, ray.block, "ray.block")
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util.check_vec3({0, 1, 0}, ray.normal, "ray.normal")
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util.check_vec3({0.0769, 2, 0.6153}, ray.endpoint, "ray.endpoint")
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util.check_vec3({0, 1, 0}, ray.iendpoint, "ray.iendpoint")
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util.check_float(7.9807, ray.length, "ray.length")
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ray = world.raycast({
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start = start,
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dir = vec3.normalize(vec3.sub(target, start)),
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distance = 10,
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filter_blocks = {sand_idx},
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})
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debug.print(ray)
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assert(ray, "ray didn't hit")
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util.check_int(block.index("core:obstacle"), ray.block, "ray.block")
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util.check_vec3({0, 1, 0}, ray.normal, "ray.normal")
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util.check_vec3({0.923, 1, 0.3846}, ray.endpoint, "ray.endpoint")
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util.check_vec3({0, 0, 0}, ray.iendpoint, "ray.iendpoint")
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util.check_float(9.3108, ray.length, "ray.length")
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@ -159,6 +159,8 @@ The function returns a table with the results or nil if the ray does not hit any
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The result will use the destination table instead of creating a new one if the optional argument specified.
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Use `world.raycast(...)` for more detailed configuration.
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## Model and physics
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```lua
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@ -71,3 +71,5 @@ entities.raycast(start: vec3, dir: vec3, max_distance: number, ignore: int, [opt
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The function is an extended version of [block.raycast](libblock.md#raycast). Returns a table with the results if the ray touches a block or entity.
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Accordingly, this will affect the presence of the *entity* and *block* fields.
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Use `world.raycast(...)` for more detailed configuration.
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@ -70,4 +70,45 @@ world.save_chunk_data(
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-- compressed chunk data
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data: Bytearray
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)
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-- Casts a ray from the start point in the dir direction.
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world.raycast(
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params: table {
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[==[ required parameters ]==]
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-- starting point
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start: vec3,
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-- ray direction vector
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dir: vec3,
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-- maximum distance
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distance: number,
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[==[ additional parameters (entities) ]==]
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-- consider entities
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entities: bool = true,
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-- uid of the ignored entity
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ignore_uid: number = 0 (ENTITY_NONE),
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-- id of the entity types used for filtering
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filter_entities: table<string|number> = nil,
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-- exclusion filtering mode:
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-- if true, filter_entities defines the list of ignored entity types
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entities_exclusion: bool = false,
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[==[ additional parameters (blocks) ]==]
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-- id of the block types used for filtering
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filter_blocks: table<string|number> = nil,
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-- exclusion filtering mode:
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-- if true, filter_blocks defines the list Ignored
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blocks_exclusion: bool = true,
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-- include blocks with selectable=false
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nonselect_blocks: bool = false;
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}
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) -> {
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block: int or nil, -- block id
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entity: int or nil, -- entity uid
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endpoint: vec3, -- ray touchpoint
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iendpoint: vec3, -- position of the block touched by the ray
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length: number, -- ray length
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normal: vec3, -- normal vector of the surface touched by the ray
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} or nil if the ray did not touch a block or entity
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```
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```
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@ -115,6 +115,8 @@ block.raycast(start: vec3, dir: vec3, max_distance: number, [опциональ
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Для результата будет использоваться целевая (dest) таблица вместо создания новой, если указан опциональный аргумент.
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Для более тонкой настройки используйте `world.raycast(...)`.
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## Вращение
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```lua
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@ -209,4 +211,4 @@ block.get_field(
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name: string,
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[опционально] index: int = 0
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) -> any | nil
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```
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```
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@ -69,4 +69,6 @@ entities.raycast(start: vec3, dir: vec3, max_distance: number, ignore: int, [opt
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Функция является расширенным вариантом [block.raycast](libblock.md#raycast). Возвращает таблицу с результатами если луч касается блока, либо сущности.
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Соответственно это повлияет на наличие полей *entity* и *block*.
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Соответственно это повлияет на наличие полей *entity* и *block*.
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Для более тонкой настройки используйте `world.raycast(...)`.
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@ -69,4 +69,44 @@ world.save_chunk_data(
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-- сжатые данные чанка
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data: Bytearray
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)
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```
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-- Бросает луч из точки start в направлении dir.
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world.raycast(
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params: table {
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[==[ обязательные параметры ]==]
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-- стартовая точка
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start: vec3,
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-- вектор направления луча
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dir: vec3,
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-- максимальное расстояние
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distance: number,
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[==[ дополнительные параметры (сущности) ]==]
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-- учитывать сущности
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entities: bool = true,
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-- uid игнорируемой сущности
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ignore_uid: number = 0 (ENTITY_NONE),
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-- id типов сущностей используемых для фильтрации
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filter_entities: table<string|number> = nil,
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-- исключающий режим фильтрации:
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-- при значении (true) filter_entities определяет список игнорируемых
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entities_exclusion: bool = false,
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[==[ дополнительные параметры (блоки) ]==]
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-- id типов блоков используемых для фильтрации
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filter_blocks: table<string|number> = nil,
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-- исключающий режим фильтрации:
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-- при значении (true) filter_blocks определяет список игнорируемых
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blocks_exclusion: bool = true,
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-- учитывать блоки с selectable=false
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nonselect_blocks: bool = false;
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}
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) -> {
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block: int или nil, -- id блока
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entity: int или nil, -- uid сущности
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endpoint: vec3, -- точка касания луча
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iendpoint: vec3, -- позиция блока, которого касается луч
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length: number, -- длина луча
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normal: vec3, -- вектор нормали поверхности, которой касается луч
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} или nil если луч не коснулся блока или сущности
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```
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@ -5,4 +5,25 @@ function util.create_demo_world(generator)
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app.new_world("demo", "2019", generator or "core:default")
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end
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function util.check_vec3(expected, fact, name, delta)
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delta = delta or 1e-4
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for i=1,3 do
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assert(math.abs(fact[i] - expected[i]) < delta,
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name.."["..i.."] expected: "..expected[i]..", fact: "..fact[i])
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end
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end
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function util.check_float(expected, fact, name, delta)
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delta = delta or 1e-4
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local actual_delta = math.abs(fact - expected)
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assert(actual_delta < delta,
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name.." expected: "..expected..", fact: "..fact..
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" (delta: "..actual_delta.." > "..delta..")")
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end
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function util.check_int(expected, fact, name)
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assert(fact == expected,
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name.." expected: "..expected..", fact: "..fact)
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end
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return util
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@ -312,6 +312,8 @@ entities.get_all = function(uids)
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return stdcomp.get_all(uids)
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end
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end
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world.raycast = entities.__world_raycast
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entities.__world_raycast = nil
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__vc_scripts_registry = require "core:internal/scripts_registry"
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@ -22,6 +22,7 @@
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#include "voxels/Block.hpp"
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#include "voxels/Chunk.hpp"
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#include "voxels/Chunks.hpp"
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#include "voxels/blocks_agent.hpp"
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#include "window/Camera.hpp"
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#include "world/Level.hpp"
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#include "WorldRenderer.hpp"
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@ -98,7 +99,7 @@ void Decorator::updateAcoustics(const Camera& camera) {
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auto& chunks = *player.chunks;
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const auto& start = camera.position;
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float rayLength = 40.0f;
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float length = 40.0f;
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auto& blocks = level.content.getIndices()->blocks;
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@ -107,7 +108,7 @@ void Decorator::updateAcoustics(const Camera& camera) {
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float averageDistance = 0.0f;
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float averageAbsorption = 0.0f;
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float speedOfSound = 300.0f;
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float minDistance = rayLength;
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float minDistance = length;
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for (int i = 0; i < rays; i++) {
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float u1 = random.randFloat();
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float u2 = random.randFloat();
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@ -121,12 +122,13 @@ void Decorator::updateAcoustics(const Camera& camera) {
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glm::vec3 end;
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glm::ivec3 norm;
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glm::ivec3 iend;
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auto vox = chunks.rayCast(start, dir, rayLength, end, norm, iend);
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blocks_agent::RaycastSettings raycast {};
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auto vox = chunks.rayCast(start, dir, length, end, norm, iend, raycast);
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if (vox == nullptr) {
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continue;
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}
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auto distance = glm::distance(start, end);
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if (distance >= rayLength * 0.98f) {
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if (distance >= length * 0.98f) {
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continue;
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}
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if (distance < minDistance) {
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@ -149,7 +151,7 @@ void Decorator::updateAcoustics(const Camera& camera) {
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averageAbsorption /= hit;
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}
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float decayTime = 20.0f * (averageDistance / rayLength);
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float decayTime = 20.0f * (averageDistance / length);
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float escapeRatio = static_cast<float>(rays - hit) / static_cast<float>(rays);
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acoustics.reverbGain = glm::pow(hit / static_cast<float>(rays), 3.0f);
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@ -200,8 +200,13 @@ void CameraControl::update(
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auto castRay = [](Player& player, Camera& camera, const glm::vec3& front)
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-> glm::vec3 {
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auto blockEnd = player.chunks->rayCastToObstacle(camera.position, front, 3.0f);
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Entities::RaycastSettings raycast {};
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raycast.ignoredUid = player.getEntity();
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raycast.solidEntitiesOnly = true;
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auto entityRay = player.getLevel().entities->rayCast(
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camera.position, front, 3.0f, player.getEntity(), true
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camera.position, front, 3.0f, raycast
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);
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if (entityRay.has_value() &&
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entityRay->distance < glm::distance(camera.position, blockEnd)) {
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@ -350,7 +355,13 @@ voxel* PlayerController::updateSelection(float maxDistance) {
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glm::ivec3 iend;
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glm::ivec3 norm;
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voxel* vox = chunks.rayCast(
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camera->position, camera->front, maxDistance, end, norm, iend
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camera->position,
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camera->front,
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maxDistance,
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end,
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norm,
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iend,
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blocks_agent::RaycastSettings {}
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);
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if (vox) {
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maxDistance = glm::distance(camera->position, end);
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@ -358,8 +369,12 @@ voxel* PlayerController::updateSelection(float maxDistance) {
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auto prevEntity = selection.entity;
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selection.entity = ENTITY_NONE;
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selection.actualPosition = iend;
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Entities::RaycastSettings raycast {};
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raycast.ignoredUid = player.getEntity();
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if (auto result = level.entities->rayCast(
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camera->position, camera->front, maxDistance, player.getEntity()
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camera->position, camera->front, maxDistance, raycast
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)) {
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selection.entity = result->entity;
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selection.hitPosition =
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|
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@ -543,13 +543,16 @@ static int l_destruct(lua::State* L) {
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}
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static int l_raycast(lua::State* L) {
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auto& level = require_level();
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const auto& level = require_level();
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auto start = lua::tovec<3>(L, 1);
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auto dir = lua::tovec<3>(L, 2);
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auto maxDistance = lua::tonumber(L, 3);
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bool includeNonSelectable = false;
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blocks_agent::RaycastSettings raycast {};
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std::set<blockid_t> filteredBlocks {};
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raycast.filter = &filteredBlocks;
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const int luaStackSize = lua::gettop(L);
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if (luaStackSize >= 5) {
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if (lua::istable(L, 5)) {
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@ -568,21 +571,14 @@ static int l_raycast(lua::State* L) {
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}
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}
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if (luaStackSize >= 6) {
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includeNonSelectable = lua::toboolean(L, 6);
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raycast.includeNonSelectable = lua::toboolean(L, 6);
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}
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glm::vec3 end;
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glm::ivec3 normal;
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glm::ivec3 iend;
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if (auto voxel = blocks_agent::raycast(
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*level.chunks,
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start,
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dir,
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maxDistance,
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end,
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normal,
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iend,
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filteredBlocks,
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includeNonSelectable
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*level.chunks, start, dir, maxDistance, end, normal, iend, raycast
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)) {
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if (luaStackSize >= 4 && !lua::isnil(L, 4)) {
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lua::pushvalue(L, 4);
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|
|
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@ -17,6 +17,8 @@
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#include "voxels/blocks_agent.hpp"
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#include "window/Camera.hpp"
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#include <set>
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using namespace scripting;
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static const EntityDef* require_entity_def(lua::State* L) {
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@ -145,34 +147,59 @@ static int l_get_all_in_radius(lua::State* L) {
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return 1;
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}
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static int l_raycast(lua::State* L) {
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auto start = lua::tovec<3>(L, 1);
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auto dir = lua::tovec<3>(L, 2);
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auto maxDistance = lua::tonumber(L, 3);
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auto ignoreEntityId = lua::tointeger(L, 4);
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bool includeNonSelectable = false;
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std::set<blockid_t> filteredBlocks {};
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const int luaStackSize = lua::gettop(L);
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if (luaStackSize >= 6) {
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if (lua::istable(L, 6)) {
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int addLen = lua::objlen(L, 6);
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for (int i = 0; i < addLen; i++) {
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lua::rawgeti(L, i + 1, 6);
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auto blockName = std::string(lua::tostring(L, -1));
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const Block* block = content->blocks.find(blockName);
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if (block != nullptr) {
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filteredBlocks.insert(block->rt.id);
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}
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lua::pop(L);
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}
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} else {
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throw std::runtime_error("table expected for filter");
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}
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static int l_push_ray(
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lua::State* L,
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const std::optional<Entities::RaycastResult>& ray,
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blockid_t block,
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const glm::vec3& start,
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const glm::vec3& dir,
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const glm::vec3& end,
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const glm::ivec3& iend,
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const glm::ivec3& normal
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) {
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if (!ray.has_value() && block == BLOCK_VOID) {
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return 0;
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}
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if (luaStackSize >= 7) {
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includeNonSelectable = lua::toboolean(L, 6);
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if (lua::gettop(L) >= 5 && lua::istable(L, 5)) {
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lua::pushvalue(L, 5);
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} else {
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lua::createtable(L, 0, 6);
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}
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lua::pushvec3(L, ray ? (start + dir * ray->distance) : end);
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lua::setfield(L, "endpoint");
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lua::pushvec3(L, ray ? ray->normal : normal);
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||||
lua::setfield(L, "normal");
|
||||
|
||||
lua::pushnumber(L, glm::distance(start, end));
|
||||
lua::setfield(L, "length");
|
||||
|
||||
lua::pushvec3(L, iend);
|
||||
lua::setfield(L, "iendpoint");
|
||||
|
||||
lua::pushinteger(L, block);
|
||||
lua::setfield(L, "block");
|
||||
|
||||
if (ray.has_value()) {
|
||||
lua::pushinteger(L, ray->entity);
|
||||
lua::setfield(L, "entity");
|
||||
} else if (block != BLOCK_VOID) {
|
||||
lua::pushinteger(L, block);
|
||||
lua::setfield(L, "block");
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int l_raycast(
|
||||
lua::State* L,
|
||||
const glm::vec3& start,
|
||||
const glm::vec3& dir,
|
||||
float maxDistance,
|
||||
const blocks_agent::RaycastSettings& voxelRaycast,
|
||||
const Entities::RaycastSettings& entityRaycast,
|
||||
bool entities
|
||||
) {
|
||||
glm::vec3 end;
|
||||
glm::ivec3 normal;
|
||||
glm::ivec3 iend;
|
||||
|
|
@ -187,61 +214,139 @@ static int l_raycast(lua::State* L) {
|
|||
end,
|
||||
normal,
|
||||
iend,
|
||||
filteredBlocks,
|
||||
includeNonSelectable
|
||||
voxelRaycast
|
||||
)) {
|
||||
maxDistance = glm::distance(start, end);
|
||||
block = voxel->id;
|
||||
}
|
||||
if (auto ray =
|
||||
level->entities->rayCast(start, dir, maxDistance, ignoreEntityId)) {
|
||||
if (luaStackSize >= 5 && !lua::isnil(L, 5)) {
|
||||
lua::pushvalue(L, 5);
|
||||
auto ray =
|
||||
entities
|
||||
? level->entities->rayCast(start, dir, maxDistance, entityRaycast)
|
||||
: std::nullopt;
|
||||
return l_push_ray(L, ray, block, start, dir, end, iend, normal);
|
||||
}
|
||||
|
||||
static void load_blocks_filter(lua::State* L, int idx, std::set<blockid_t>& dst) {
|
||||
int count = lua::objlen(L, idx);
|
||||
for (int i = 0; i < count; i++) {
|
||||
lua::rawgeti(L, i + 1, idx);
|
||||
if (lua::isnumber(L, -1)) {
|
||||
dst.insert(lua::touinteger(L, -1));
|
||||
} else {
|
||||
lua::createtable(L, 0, 6);
|
||||
auto blockName = std::string(lua::tostring(L, -1));
|
||||
const Block* block = content->blocks.find(blockName);
|
||||
if (block != nullptr) {
|
||||
dst.insert(block->rt.id);
|
||||
}
|
||||
}
|
||||
|
||||
lua::pushvec3(L, start + dir * ray->distance);
|
||||
lua::setfield(L, "endpoint");
|
||||
|
||||
lua::pushvec3(L, ray->normal);
|
||||
lua::setfield(L, "normal");
|
||||
|
||||
lua::pushnumber(L, glm::distance(start, end));
|
||||
lua::setfield(L, "length");
|
||||
|
||||
lua::pushvec3(L, iend);
|
||||
lua::setfield(L, "iendpoint");
|
||||
|
||||
lua::pushinteger(L, block);
|
||||
lua::setfield(L, "block");
|
||||
|
||||
lua::pushinteger(L, ray->entity);
|
||||
lua::setfield(L, "entity");
|
||||
return 1;
|
||||
} else if (block != BLOCK_VOID) {
|
||||
if (lua::gettop(L) >= 5 && !lua::isnil(L, 5)) {
|
||||
lua::pushvalue(L, 5);
|
||||
} else {
|
||||
lua::createtable(L, 0, 5);
|
||||
}
|
||||
lua::pushvec3(L, end);
|
||||
lua::setfield(L, "endpoint");
|
||||
|
||||
lua::pushvec3(L, normal);
|
||||
lua::setfield(L, "normal");
|
||||
|
||||
lua::pushnumber(L, glm::distance(start, end));
|
||||
lua::setfield(L, "length");
|
||||
|
||||
lua::pushvec3(L, iend);
|
||||
lua::setfield(L, "iendpoint");
|
||||
|
||||
lua::pushinteger(L, block);
|
||||
lua::setfield(L, "block");
|
||||
return 1;
|
||||
lua::pop(L);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void load_entities_filter(lua::State* L, int idx, std::set<entitydefid_t>& dst) {
|
||||
int count = lua::objlen(L, idx);
|
||||
for (int i = 0; i < count; i++) {
|
||||
lua::rawgeti(L, i + 1, idx);
|
||||
if (lua::isnumber(L, -1)) {
|
||||
dst.insert(lua::touinteger(L, -1));
|
||||
} else {
|
||||
auto entityName = std::string(lua::tostring(L, -1));
|
||||
const EntityDef* entity = content->entities.find(entityName);
|
||||
if (entity != nullptr) {
|
||||
dst.insert(entity->rt.id);
|
||||
}
|
||||
}
|
||||
lua::pop(L);
|
||||
}
|
||||
}
|
||||
|
||||
static int l_world_raycast(lua::State* L) {
|
||||
blocks_agent::RaycastSettings blocksRaycast {};
|
||||
Entities::RaycastSettings entityRaycast {};
|
||||
|
||||
std::set<blockid_t> filteredBlocks {};
|
||||
std::set<entitydefid_t> filteredEntities {};
|
||||
|
||||
glm::vec3 start, dir;
|
||||
float maxDistance;
|
||||
bool entities = true;
|
||||
|
||||
if (!lua::istable(L, 1)) {
|
||||
throw std::runtime_error("invalid function overload");
|
||||
}
|
||||
|
||||
lua::requirefield(L, "start", 1);
|
||||
start = lua::tovec3(L, -1);
|
||||
|
||||
lua::requirefield(L, "dir", 1);
|
||||
dir = lua::tovec3(L, -1);
|
||||
|
||||
lua::requirefield(L, "distance", 1);
|
||||
maxDistance = lua::tonumber(L, -1);
|
||||
|
||||
lua::pop(L, 3);
|
||||
|
||||
if (lua::getfield(L, "entities", 1)) {
|
||||
entities = lua::toboolean(L, -1);
|
||||
lua::pop(L);
|
||||
}
|
||||
|
||||
if (lua::getfield(L, "ignore_uid", 1)) {
|
||||
entityRaycast.ignoredUid = lua::tointeger(L, -1);
|
||||
lua::pop(L);
|
||||
}
|
||||
if (lua::getfield(L, "filter_entities")) {
|
||||
load_entities_filter(L, -1, filteredEntities);
|
||||
blocksRaycast.filter = &filteredEntities;
|
||||
lua::pop(L);
|
||||
}
|
||||
if (lua::getfield(L, "entities_exclusion")) {
|
||||
entityRaycast.entityFilterExcludeMode = lua::toboolean(L, -1);
|
||||
lua::pop(L);
|
||||
}
|
||||
if (lua::getfield(L, "filter_blocks", 1)) {
|
||||
load_blocks_filter(L, -1, filteredBlocks);
|
||||
blocksRaycast.filter = &filteredBlocks;
|
||||
lua::pop(L);
|
||||
}
|
||||
if (lua::getfield(L, "blocks_exclusion")) {
|
||||
blocksRaycast.blocksFilterExcludeMode = lua::toboolean(L, -1);
|
||||
lua::pop(L);
|
||||
}
|
||||
if (lua::getfield(L, "nonselect_blocks", 1)) {
|
||||
blocksRaycast.includeNonSelectable = lua::toboolean(L, -1);
|
||||
lua::pop(L);
|
||||
}
|
||||
return l_raycast(
|
||||
L, start, dir, maxDistance, blocksRaycast, entityRaycast, entities
|
||||
);
|
||||
}
|
||||
|
||||
static int l_raycast(lua::State* L) {
|
||||
blocks_agent::RaycastSettings blocksRaycast {};
|
||||
Entities::RaycastSettings entityRaycast {};
|
||||
std::set<blockid_t> filteredBlocks {};
|
||||
|
||||
const int luaStackSize = lua::gettop(L);
|
||||
glm::vec3 start = lua::tovec<3>(L, 1);
|
||||
glm::vec3 dir = lua::tovec<3>(L, 2);
|
||||
float maxDistance = lua::tonumber(L, 3);
|
||||
|
||||
entityRaycast.ignoredUid = lua::tointeger(L, 4);
|
||||
if (luaStackSize >= 6) {
|
||||
if (lua::istable(L, 6)) {
|
||||
load_blocks_filter(L, 6, filteredBlocks);
|
||||
blocksRaycast.filter = &filteredBlocks;
|
||||
} else {
|
||||
throw std::runtime_error("table expected for filter");
|
||||
}
|
||||
}
|
||||
if (luaStackSize >= 7) {
|
||||
blocksRaycast.includeNonSelectable = lua::toboolean(L, 6);
|
||||
}
|
||||
return l_raycast(
|
||||
L, start, dir, maxDistance, blocksRaycast, entityRaycast, true
|
||||
);
|
||||
}
|
||||
|
||||
static int l_reload_component(lua::State* L) {
|
||||
|
|
@ -278,6 +383,7 @@ const luaL_Reg entitylib[] = {
|
|||
{"get_all_in_box", lua::wrap<l_get_all_in_box>},
|
||||
{"get_all_in_radius", lua::wrap<l_get_all_in_radius>},
|
||||
{"raycast", lua::wrap<l_raycast>},
|
||||
{"__world_raycast", lua::wrap<l_world_raycast>},
|
||||
{"reload_component", lua::wrap<l_reload_component>},
|
||||
{nullptr, nullptr}
|
||||
};
|
||||
|
|
|
|||
|
|
@ -166,8 +166,7 @@ std::optional<Entities::RaycastResult> Entities::rayCast(
|
|||
glm::vec3 start,
|
||||
glm::vec3 dir,
|
||||
float maxDistance,
|
||||
entityid_t ignore,
|
||||
bool solidOnly
|
||||
const RaycastSettings& settings
|
||||
) {
|
||||
Ray ray(start, dir);
|
||||
auto view = registry->view<EntityId, Transform, Rigidbody>();
|
||||
|
|
@ -176,10 +175,18 @@ std::optional<Entities::RaycastResult> Entities::rayCast(
|
|||
glm::ivec3 foundNormal;
|
||||
|
||||
for (auto [entity, eid, transform, body] : view.each()) {
|
||||
if (eid.uid == ignore || !body.enabled || (solidOnly && !eid.def.solid)) {
|
||||
if (eid.uid == settings.ignoredUid || !body.enabled ||
|
||||
(settings.solidEntitiesOnly && !eid.def.solid)) {
|
||||
continue;
|
||||
}
|
||||
auto& hitbox = body.hitbox;
|
||||
if (settings.entitiesFilter) {
|
||||
bool matches = settings.entitiesFilter->find(eid.def.rt.id) !=
|
||||
settings.entitiesFilter->end();
|
||||
if (matches == settings.entityFilterExcludeMode) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
const auto& hitbox = body.hitbox;
|
||||
glm::ivec3 normal;
|
||||
double distance;
|
||||
if (ray.intersectAABB(
|
||||
|
|
|
|||
|
|
@ -5,6 +5,7 @@
|
|||
#include <optional>
|
||||
#include <vector>
|
||||
|
||||
#include "constants.hpp"
|
||||
#include "physics/Hitbox.hpp"
|
||||
#include "Transform.hpp"
|
||||
#include "Rigidbody.hpp"
|
||||
|
|
@ -46,12 +47,6 @@ class Entities final {
|
|||
);
|
||||
void preparePhysics(float delta);
|
||||
public:
|
||||
struct RaycastResult {
|
||||
entityid_t entity;
|
||||
glm::ivec3 normal;
|
||||
float distance;
|
||||
};
|
||||
|
||||
Entities(Level& level);
|
||||
|
||||
~Entities();
|
||||
|
|
@ -82,20 +77,33 @@ public:
|
|||
|
||||
std::optional<Entity> get(entityid_t id);
|
||||
|
||||
struct RaycastSettings {
|
||||
/// @param ignore Ignored entity uid
|
||||
entityid_t ignoredUid;
|
||||
/// @param solidEntitiesOnly If true, only entities with solid hitboxes
|
||||
/// will be checked
|
||||
bool solidEntitiesOnly = false;
|
||||
bool entityFilterExcludeMode = false;
|
||||
const std::set<entitydefid_t>* entitiesFilter = nullptr;
|
||||
};
|
||||
|
||||
struct RaycastResult {
|
||||
entityid_t entity;
|
||||
glm::ivec3 normal;
|
||||
float distance;
|
||||
};
|
||||
|
||||
/// @brief Entities raycast. No blocks check included, use combined with
|
||||
/// Chunks.rayCast
|
||||
/// @param start Ray start
|
||||
/// @param dir Ray direction normalized vector
|
||||
/// @param maxDistance Max ray length
|
||||
/// @param ignore Ignored entity ID
|
||||
/// @param solidOnly If true, only entities with solid hitboxes will be checked
|
||||
/// @return An optional structure containing entity, normal and distance
|
||||
std::optional<RaycastResult> rayCast(
|
||||
glm::vec3 start,
|
||||
glm::vec3 dir,
|
||||
float maxDistance,
|
||||
entityid_t ignore = -1,
|
||||
bool solidOnly = false
|
||||
const RaycastSettings& settings
|
||||
);
|
||||
|
||||
void loadEntities(dv::value map);
|
||||
|
|
|
|||
|
|
@ -215,11 +215,10 @@ voxel* Chunks::rayCast(
|
|||
glm::vec3& end,
|
||||
glm::ivec3& norm,
|
||||
glm::ivec3& iend,
|
||||
std::set<blockid_t> filter,
|
||||
bool includeNonSelectable
|
||||
const blocks_agent::RaycastSettings& settings
|
||||
) const {
|
||||
return blocks_agent::raycast(
|
||||
*this, start, dir, maxDist, end, norm, iend, std::move(filter), includeNonSelectable
|
||||
*this, start, dir, maxDist, end, norm, iend, settings
|
||||
);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -24,6 +24,10 @@ class VoxelsVolume;
|
|||
|
||||
template <int w, int h, int d> class StaticVoxelsVolume;
|
||||
|
||||
namespace blocks_agent {
|
||||
struct RaycastSettings;
|
||||
}
|
||||
|
||||
/// Player-centred chunks matrix
|
||||
class Chunks {
|
||||
LevelEvents* events;
|
||||
|
|
@ -112,8 +116,7 @@ public:
|
|||
glm::vec3& end,
|
||||
glm::ivec3& norm,
|
||||
glm::ivec3& iend,
|
||||
std::set<blockid_t> filter = {},
|
||||
bool includeNonSelectable = false
|
||||
const blocks_agent::RaycastSettings& settings
|
||||
) const;
|
||||
|
||||
glm::vec3 rayCastToObstacle(
|
||||
|
|
|
|||
|
|
@ -223,8 +223,7 @@ static inline voxel* raycast_blocks(
|
|||
glm::vec3& end,
|
||||
glm::ivec3& norm,
|
||||
glm::ivec3& iend,
|
||||
std::set<blockid_t> filter,
|
||||
bool includeNonSelectable
|
||||
const RaycastSettings& settings
|
||||
) {
|
||||
const auto& blocks = chunks.getContentIndices().blocks;
|
||||
float px = start.x;
|
||||
|
|
@ -240,9 +239,8 @@ static inline voxel* raycast_blocks(
|
|||
int iy = std::floor(py);
|
||||
int iz = std::floor(pz);
|
||||
|
||||
int stepx = (dx > 0.0f) ? 1 : -1;
|
||||
int stepy = (dy > 0.0f) ? 1 : -1;
|
||||
int stepz = (dz > 0.0f) ? 1 : -1;
|
||||
glm::ivec3 step {
|
||||
(dx > 0.0f) ? 1 : -1, (dy > 0.0f) ? 1 : -1, (dz > 0.0f) ? 1 : -1};
|
||||
|
||||
constexpr float infinity = std::numeric_limits<float>::infinity();
|
||||
constexpr float epsilon = 1e-6f; // 0.000001
|
||||
|
|
@ -250,31 +248,31 @@ static inline voxel* raycast_blocks(
|
|||
float tyDelta = (std::fabs(dy) < epsilon) ? infinity : std::fabs(1.0f / dy);
|
||||
float tzDelta = (std::fabs(dz) < epsilon) ? infinity : std::fabs(1.0f / dz);
|
||||
|
||||
float xdist = (stepx > 0) ? (ix + 1 - px) : (px - ix);
|
||||
float ydist = (stepy > 0) ? (iy + 1 - py) : (py - iy);
|
||||
float zdist = (stepz > 0) ? (iz + 1 - pz) : (pz - iz);
|
||||
float xdist = (step.x > 0) ? (ix + 1 - px) : (px - ix);
|
||||
float ydist = (step.y > 0) ? (iy + 1 - py) : (py - iy);
|
||||
float zdist = (step.z > 0) ? (iz + 1 - pz) : (pz - iz);
|
||||
|
||||
float txMax = (txDelta < infinity) ? txDelta * xdist : infinity;
|
||||
float tyMax = (tyDelta < infinity) ? tyDelta * ydist : infinity;
|
||||
float tzMax = (tzDelta < infinity) ? tzDelta * zdist : infinity;
|
||||
|
||||
int steppedIndex = -1;
|
||||
|
||||
bool includeNonSelectable = settings.includeNonSelectable;
|
||||
|
||||
while (t <= maxDist) {
|
||||
voxel* voxel = get(chunks, ix, iy, iz);
|
||||
if (voxel == nullptr) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
auto filter = settings.filter;
|
||||
const auto& def = blocks.require(voxel->id);
|
||||
if (voxel->id != BLOCK_AIR && (def.selectable || includeNonSelectable) &&
|
||||
(filter.empty() || filter.find(def.rt.id) == filter.end())) {
|
||||
end.x = px + t * dx;
|
||||
end.y = py + t * dy;
|
||||
end.z = pz + t * dz;
|
||||
iend.x = ix;
|
||||
iend.y = iy;
|
||||
iend.z = iz;
|
||||
if (voxel->id != BLOCK_AIR &&
|
||||
(def.selectable || includeNonSelectable) &&
|
||||
((filter == nullptr || filter->find(def.rt.id) == filter->end()) ==
|
||||
settings.blocksFilterExcludeMode)) {
|
||||
end = start + t * dir;
|
||||
iend = {ix, iy, iz};
|
||||
|
||||
if (!def.rt.solid) {
|
||||
const std::vector<AABB>& hitboxes =
|
||||
|
|
@ -309,51 +307,41 @@ static inline voxel* raycast_blocks(
|
|||
|
||||
if (hit) return voxel;
|
||||
} else {
|
||||
iend.x = ix;
|
||||
iend.y = iy;
|
||||
iend.z = iz;
|
||||
|
||||
norm.x = norm.y = norm.z = 0;
|
||||
if (steppedIndex == 0) norm.x = -stepx;
|
||||
if (steppedIndex == 1) norm.y = -stepy;
|
||||
if (steppedIndex == 2) norm.z = -stepz;
|
||||
iend = {ix, iy, iz};
|
||||
norm = {0, 0, 0};
|
||||
norm[steppedIndex] = -step[steppedIndex];
|
||||
return voxel;
|
||||
}
|
||||
}
|
||||
if (txMax < tyMax) {
|
||||
if (txMax < tzMax) {
|
||||
ix += stepx;
|
||||
ix += step.x;
|
||||
t = txMax;
|
||||
txMax += txDelta;
|
||||
steppedIndex = 0;
|
||||
} else {
|
||||
iz += stepz;
|
||||
iz += step.z;
|
||||
t = tzMax;
|
||||
tzMax += tzDelta;
|
||||
steppedIndex = 2;
|
||||
}
|
||||
} else {
|
||||
if (tyMax < tzMax) {
|
||||
iy += stepy;
|
||||
iy += step.y;
|
||||
t = tyMax;
|
||||
tyMax += tyDelta;
|
||||
steppedIndex = 1;
|
||||
} else {
|
||||
iz += stepz;
|
||||
iz += step.z;
|
||||
t = tzMax;
|
||||
tzMax += tzDelta;
|
||||
steppedIndex = 2;
|
||||
}
|
||||
}
|
||||
}
|
||||
iend.x = ix;
|
||||
iend.y = iy;
|
||||
iend.z = iz;
|
||||
|
||||
end.x = px + t * dx;
|
||||
end.y = py + t * dy;
|
||||
end.z = pz + t * dz;
|
||||
norm.x = norm.y = norm.z = 0;
|
||||
iend = {ix, iy, iz};
|
||||
end = start + t * dir;
|
||||
norm = {0, 0, 0};
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
|
|
@ -365,10 +353,9 @@ voxel* blocks_agent::raycast(
|
|||
glm::vec3& end,
|
||||
glm::ivec3& norm,
|
||||
glm::ivec3& iend,
|
||||
std::set<blockid_t> filter,
|
||||
bool includeNonSelectable
|
||||
const RaycastSettings& settings
|
||||
) {
|
||||
return raycast_blocks(chunks, start, dir, maxDist, end, norm, iend, filter, includeNonSelectable);
|
||||
return raycast_blocks(chunks, start, dir, maxDist, end, norm, iend, settings);
|
||||
}
|
||||
|
||||
voxel* blocks_agent::raycast(
|
||||
|
|
@ -379,10 +366,9 @@ voxel* blocks_agent::raycast(
|
|||
glm::vec3& end,
|
||||
glm::ivec3& norm,
|
||||
glm::ivec3& iend,
|
||||
std::set<blockid_t> filter,
|
||||
bool includeNonSelectable
|
||||
const RaycastSettings& settings
|
||||
) {
|
||||
return raycast_blocks(chunks, start, dir, maxDist, end, norm, iend, filter, includeNonSelectable);
|
||||
return raycast_blocks(chunks, start, dir, maxDist, end, norm, iend, settings);
|
||||
}
|
||||
|
||||
// reduce nesting on next modification
|
||||
|
|
|
|||
|
|
@ -412,6 +412,12 @@ inline void set_rotation(
|
|||
}
|
||||
}
|
||||
|
||||
struct RaycastSettings {
|
||||
const std::set<blockid_t>* filter = nullptr;
|
||||
bool blocksFilterExcludeMode = true;
|
||||
bool includeNonSelectable = false;
|
||||
};
|
||||
|
||||
/// @brief Cast ray to a selectable block with filter based on id.
|
||||
/// @param chunks chunks matrix
|
||||
/// @param start ray start position
|
||||
|
|
@ -431,8 +437,7 @@ voxel* raycast(
|
|||
glm::vec3& end,
|
||||
glm::ivec3& norm,
|
||||
glm::ivec3& iend,
|
||||
std::set<blockid_t> filter,
|
||||
bool includeNonSelectable
|
||||
const RaycastSettings& settings
|
||||
);
|
||||
|
||||
/// @brief Cast ray to a selectable block with filter based on id.
|
||||
|
|
@ -454,8 +459,7 @@ voxel* raycast(
|
|||
glm::vec3& end,
|
||||
glm::ivec3& norm,
|
||||
glm::ivec3& iend,
|
||||
std::set<blockid_t> filter,
|
||||
bool includeNonSelectable
|
||||
const RaycastSettings& settings
|
||||
);
|
||||
|
||||
void get_voxels(
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue