bevy_mod_scripting 0.21.1

Multi language scripting in Bevy
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49

// #main_script lifecycle.lua
SetCurrentLanguage language="@this_script_language"
InstallPlugin emit_responses=true
FinalizeApp

// load script a 
LoadScriptAs as_name="script_a", path="lifecycle.lua"
WaitForScriptAssetLoaded name="script_a"
SpawnEntityWithScript name="test_entity_a", script="script_a"
RunUpdateOnce
AssertCallbackSuccess attachment="EntityScript", entity="test_entity_a", label="OnScriptLoaded", script="script_a", expect_string_value="loaded!"
AssertNoCallbackResponsesEmitted

// reload script_a, with the same content
ReloadScriptFrom script="script_a", path="lifecycle.lua"
RunUpdateOnce 
RunUpdateOnce
AssertCallbackSuccess attachment="EntityScript", entity="test_entity_a", label="OnScriptUnloaded", script="script_a", expect_string_value="unloaded!"
AssertCallbackSuccess attachment="EntityScript", entity="test_entity_a", label="OnScriptLoaded", script="script_a", expect_string_value="loaded!"
AssertCallbackSuccess attachment="EntityScript", entity="test_entity_a", label="OnScriptReloaded", script="script_a", expect_string_value="reloaded with: unloaded!"
AssertNoCallbackResponsesEmitted

// insert second.lua into original entity
LoadScriptAs as_name="script_b", path="second.lua"
WaitForScriptAssetLoaded name="script_b"
AddScriptToEntity name="test_entity_a", script="script_b"
RunUpdateOnce
AssertCallbackSuccess attachment="EntityScript", entity="test_entity_a", label="OnScriptLoaded", script="script_b", expect_string_value="2:loaded!"
AssertNoCallbackResponsesEmitted
AssertContextResidents attachment="EntityScript", script="script_a", entity="test_entity_a", residents_num=1
AssertContextResidents attachment="EntityScript", script="script_b", entity="test_entity_a", residents_num=1

// remove second.lua from original entity
RemoveScriptFromEntity name="test_entity_a", script="script_b"
RunUpdateOnce
AssertCallbackSuccess attachment="EntityScript", entity="test_entity_a", label="OnScriptUnloaded", script="script_b", expect_string_value="2:unloaded!"
AssertNoCallbackResponsesEmitted

// now first drop the script asset, assert that does nothing yet 
DropScriptAsset script="script_a"
RunUpdateOnce
AssertNoCallbackResponsesEmitted

// now despawn the entity, expect unloading
DespawnEntity entity="test_entity_a"
RunUpdateOnce
AssertCallbackSuccess attachment="EntityScript", entity="test_entity_a", label="OnScriptUnloaded", script="script_a", expect_string_value="unloaded!"
AssertNoCallbackResponsesEmitted
AssertContextResidents attachment="EntityScript", script="script_a", entity="test_entity_a", residents_num=0