Created
June 14, 2019 23:46
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proof of concept for simulating nested function calls with command blocks
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| # @e[limit=2] | |
| tag @e[limit=2] add todo | |
| tag @e[tag=todo,limit=1] add current | |
| tag @e[tag=current] remove todo | |
| execute as @e[tag=current] run say 1 | |
| execute as @e[tag=current] run say 2 | |
| tag @e[tag=current] remove current | |
| # single layer | |
| scoreboard objectives add mcfd_stackframe dummy | |
| # set up new stackframe | |
| execute as @e[type=pig] run function mcfd:new_stackframe_part | |
| scoreboard players add @e[type=area_effect_cloud,tag=mcfd_stackframe_part] mcfd_stackframe 1 | |
| # loop | |
| # tag current stackframe part | |
| tag @e[type=area_effect_cloud,tag=mcfd_stackframe_part,scores={mcfd_stackframe=1},limit=1] add mcfd_current_stackframe_part | |
| # invert: break loop | |
| # tag current entity | |
| function mcfd:tag_current_entity | |
| # run function content as current entity | |
| execute as @e[tag=mcfd_current_entity] run say 1 | |
| execute as @e[tag=mcfd_current_entity] run say 2 | |
| # remove current stackframe part | |
| kill @e[type=area_effect_cloud,tag=mcfd_current_stackframe_part,scores={mcfd_stackframe=1}] | |
| # goto loop | |
| # restore previous stackframe | |
| scoreboard players remove @e[type=area_effect_cloud,tag=mcfd_stackframe_part] mcfd_stackframe 1 | |
| # restore current entity of previous stackframe | |
| function mcfd:tag_current_entity | |
| # nested layer | |
| scoreboard objectives add mcfd_stackframe dummy | |
| # set up new stackframe | |
| execute as @e[type=pig] run function mcfd:new_stackframe_part | |
| scoreboard players add @e[type=area_effect_cloud,tag=mcfd_stackframe_part] mcfd_stackframe 1 | |
| # outer_loop | |
| # tag current stackframe part | |
| tag @e[type=area_effect_cloud,tag=mcfd_stackframe_part,scores={mcfd_stackframe=1},limit=1] add mcfd_current_stackframe_part | |
| # invert: break outer_loop | |
| # tag current entity | |
| function mcfd:tag_current_entity | |
| # run function content as current entity | |
| execute as @e[tag=mcfd_current_entity] run say 1 | |
| execute as @e[tag=mcfd_current_entity] run say 2 | |
| # set up new stackframe | |
| execute as @e[type=sheep] run function mcfd:new_stackframe_part | |
| scoreboard players add @e[type=area_effect_cloud,tag=mcfd_stackframe_part] mcfd_stackframe 1 | |
| # inner_loop | |
| # tag current stackframe part | |
| tag @e[type=area_effect_cloud,tag=mcfd_stackframe_part,scores={mcfd_stackframe=1},limit=1] add mcfd_current_stackframe_part | |
| # invert: break inner_loop | |
| # tag current entity | |
| function mcfd:tag_current_entity | |
| # run function content as current entity | |
| execute as @e[tag=mcfd_current_entity] run say 1 | |
| execute as @e[tag=mcfd_current_entity] run say 2 | |
| # remove current stackframe part | |
| kill @e[type=area_effect_cloud,tag=mcfd_current_stackframe_part,scores={mcfd_stackframe=1}] | |
| # goto inner_loop | |
| # restore previous stackframe | |
| scoreboard players remove @e[type=area_effect_cloud,tag=mcfd_stackframe_part] mcfd_stackframe 1 | |
| # restore current entity of previous stackframe | |
| function mcfd:tag_current_entity | |
| # remove current stackframe part | |
| kill @e[type=area_effect_cloud,tag=mcfd_current_stackframe_part,scores={mcfd_stackframe=1}] | |
| # goto outer_loop | |
| # restore previous stackframe | |
| scoreboard players remove @e[type=area_effect_cloud,tag=mcfd_stackframe_part] mcfd_stackframe 1 | |
| # restore current entity of previous stackframe | |
| function mcfd:tag_current_entity |
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