有始有终
OnMapChangedCmd¶
Add "OnMapChangedCmd" to the Chameleon tool for executing Python commands when changing maps.
Usage: 用途：
- Clean references in Chameleon tool when unload map to avoid memory leaks
- 清除Chameleon工具中的引用，避免内存泄漏
- Sync the UI when changing map
- 同步UI，例如：切换地图时，刷新地图列表等
举个例子，在对可能会持有场景中对象引用的工具加入"OnMapChangedCmd"字段，并在其中添加清除引用的代码，例如：
"OnMapChangedCmd": "chemeleon_objectDetailViewer.on_map_changed(%map_change_type)",
def on_map_changed(self, map_change_type_str):
# remove the reference, avoid memory leaking when load another map.
if map_change_type_str == "TearDownWorld":
self.reset(bResetParameter=False)
else:
pass # skip: LoadMap, SaveMap, NewMap
### 参数说明
- %world: Get the world of map operation
- %world：获取地图操作的世界（关卡）
- %map_change_type: Get the operation type of changing map, "LoadMap", "SaveMap", "NewMap" or "TearDownWorld"
- %map_change_type：获取地图操作的类型，可能的值有：
- "LoadMap"
- "SaveMap"
- "NewMap"
- "TearDownWorld"
## OnClosePyCmd
Chameleon Tool 中的`"OnClosePyCmd"`的字段用于设置用户主动关闭Chameleon工具时执行的Python命令。
```JSON
{
"TabLabel": "KeypadCommunicator",
"InitTabSize": [200, 80],
"InitTabPosition": [1100, 20],
"InitPyCmd": "import MidiCommander; import importlib; importlib.reload(MidiCommander); chameleon_midi = MidiCommander.MidiListener.MidiListener(%JsonPath); chameleon_midi.open()",
"OnClosePyCmd": "chameleon_midi.on_ui_close()",
"Root":
{...}
}