Datapack Debugger
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A fabric mod for Minecraft 1.21, which allows you to set breakpoints in datapacks
Enhances game performance and optimizes resource usage.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
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Description
Datapack Breakpoint
Introduce
This is a fabric mod for Minecraft 1.21, which allows you to set breakpoints in the game and "freeze" the game when the breakpoint is reached.
Usage
- Set a breakpoint
In datapack, you can insert #breakpoint into .mcfunction file to set a breakpoint. For example:
#test:test
say 1
say 2
#breakpoint
say 3
say 4
In this case, after the game executes say 2, the game will be "frozen" because it meets the breakpoint.
When the game is "frozen", you can still move around, do whatever you want, just like execute the command tick freeze.
So you can check the game state, or do some debugging.
- Step
When the game is "frozen", you can use the command /breakpoint step to execute the next command. In above example,
after the game meets the breakpoint, you can use /breakpoint step to execute say 3, and then use /breakpoint step
to execute say 4. When all commands are executed, the game will be unfrozen and continue running.
- Continue
When the game is "frozen", you can use the command /breakpoint move to unfreeze the game and continue running.
- Get Macro Arguments
By using /breakpoint get <key>, you can get the value of the macro argument if the game is executing a macro function.
For example:
#test:test_macro
say start
#breakpoint
$say $(msg)
say end
After executing function test:test_macro {"msg":"test"}, we passed the value test to the macro argument msg and
then the game will pause before $say $(msg). At this time, you can use /breakpoint get msg to get the value test.
Datapack Breakpoint
Introduce
This is a fabric mod for Minecraft 1.21, which allows you to set breakpoints in the game and "freeze" the game when the breakpoint is reached.
Usage
- Set a breakpoint
In datapack, you can insert #breakpoint into .mcfunction file to set a breakpoint. For example:
#test:test
say 1
say 2
#breakpoint
say 3
say 4
In this case, after the game executes say 2, the game will be "frozen" because it meets the breakpoint.
When the game is "frozen", you can still move around, do whatever you want, just like execute the command tick freeze.
So you can check the game state, or do some debugging.
- Step
When the game is "frozen", you can use the command /breakpoint step to execute the next command. In above example,
after the game meets the breakpoint, you can use /breakpoint step to execute say 3, and then use /breakpoint step
to execute say 4. When all commands are executed, the game will be unfrozen and continue running.
- Continue
When the game is "frozen", you can use the command /breakpoint move to unfreeze the game and continue running.
- Get Macro Arguments
By using /breakpoint get <key>, you can get the value of the macro argument if the game is executing a macro function.
For example:
#test:test_macro
say start
#breakpoint
$say $(msg)
say end
After executing function test:test_macro {"msg":"test"}, we passed the value test to the macro argument msg and
then the game will pause before $say $(msg). At this time, you can use /breakpoint get msg to get the value test.
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