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M28AI Devlog (v174)

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  • L
    LightWire
    last edited by 16 Aug 2024, 03:12

    Thanks for the new info for updates. Not sure if this is related to the update, but during a game it looks like there was an error.

    If it's of any help, can post some error info here.

    EXCEPTION_ACCESS_VIOLATION (0xc0000005) at address 0x0067a1a7
    attempted to read memory at 0x5e50a9c1

    warning: Error running lua script: ...mmander forged alliance\mods\m28ai\lua\ai\m28map.lua(745): table index is NaN
    stack traceback:
    ...mmander forged alliance\mods\m28ai\lua\ai\m28map.lua(745): in function `GetClosestPlateauOrZeroAndZoneToPosition'

    M 1 Reply Last reply 16 Aug 2024, 06:10 Reply Quote 0
    • M
      maudlin27 @LightWire
      last edited by 16 Aug 2024, 06:10

      @lightwire Could you post the replay ID? The 'error running lua script' message is something I could look into.

      @Hammi I'll have a look but if all of M28's power was destroyed then it's not something I'm likely to be able to solve - it should already prioritise building more power in such scenarios, but as the game will be lost if the opponent has killed all of its power, there's a limit to what I can do (without either negatively impacting its normal logic, or further complicating already cpu intensive processes for pausing units when stalling energy)

      @zhanghm18 I can't think of a change in 119 that would've impacted on building experimental shields. If the shields are the same size as normal shields, M28 has great eco (including energy), only has Cybran on the team, and is building scathis and/or t3 arti I'd have expected it to build some.
      For the engi self destruct this is likely a consequence of two competing systems fighting each other for which there isn't really a solution - i.e. it wants more engineers to spend its mass in high eco scenarios, but if it has got rid of all its T1-T2 units and has lots of engineers it will ctrl-K some of its t3 engineers (prioritising those without orders) to free up its unit cap, although I can probably mask the problem slightly more

      M27AI and M28AI developer; Devlogs and more general AI development guide:
      https://forum.faforever.com/topic/2373/ai-development-guide-and-m27ai-v71-devlog
      https://forum.faforever.com/topic/5331/m28ai-devlog-v150

      H Z L 3 Replies Last reply 16 Aug 2024, 11:08 Reply Quote 0
      • H
        Hammi @maudlin27
        last edited by 16 Aug 2024, 11:08

        @maudlin27 said in M28AI Devlog (v119):

        @Hammi I'll have a look but if all of M28's power was destroyed then it's not something I'm likely to be able to solve - it should already prioritise building more power in such scenarios, but as the game will be lost if the opponent has killed all of its power, there's a limit to what I can do (without either negatively impacting its normal logic, or further complicating already cpu intensive processes for pausing units when stalling energy)

        I just find it interesting that the AI doesn't actually start again from scratch by building power. It just builds a factory and then sits there.

        1 Reply Last reply Reply Quote 0
        • M
          maudlin27
          last edited by maudlin27 16 Aug 2024, 13:01

          Unfortunately the replay desyncs around 26m so I can't see for sure what the circumstances are. At a high level, I'd expect if all factories are destroyed the ACU should try and build a new land factory; if there are engineers they should build power as a high priority; if there are no engineers, the factory should build some. The exception would be if there are enemies near the factory/engineers.

          In the desynced version the ACU was trying to build a t1 land factory first which is in line with what I'd expect, but was hampered because of the energy drain from its T3 mexes. However, adding a fix for this (pausing T3 mexes) could cause its own problems elsewhere since it's very rare to want to do this.

          M27AI and M28AI developer; Devlogs and more general AI development guide:
          https://forum.faforever.com/topic/2373/ai-development-guide-and-m27ai-v71-devlog
          https://forum.faforever.com/topic/5331/m28ai-devlog-v150

          1 Reply Last reply Reply Quote 0
          • Z
            zhanghm18 @maudlin27
            last edited by zhanghm18 16 Aug 2024, 15:52

            @maudlin27 I think that's the reason for the problem. The experimental shield in the MOD is larger than the normal shield SIZE. This resulted in M28 not building them.
            It should be noted that I remember that the M28 built these larger experimental shields in previous versions. But the problem started with some recent version (sorry, I'm not sure which one).

            1 Reply Last reply Reply Quote 0
            • L
              LightWire @maudlin27
              last edited by 16 Aug 2024, 17:42

              @maudlin27

              Sure. After the game crashed, It didn't show the reply right away in the replay list.

              I think this is the one.

              https://replay.faforever.com/23113989

              M 1 Reply Last reply 17 Aug 2024, 10:08 Reply Quote 0
              • M
                maudlin27 @LightWire
                last edited by 17 Aug 2024, 10:08

                @lightwire said in M28AI Devlog (v119):

                23113989

                Thanks, the 'table index is NaN' error message looks like an issue with the map where a building got destroyed off-map/something strange happened (as the position of the building in the engine shows as an infinite value), I'll add a check for that in the next update so it doesn't cause a bunch of error messages with M28's logic.

                Don't know if it would have contributed to the crash or not; I'd have thought it plausible lots of error messages could make a crash more likely, but my change won't necessarily help that as the unit mods being used were generating lots of error messages themselves prior to that point.

                M27AI and M28AI developer; Devlogs and more general AI development guide:
                https://forum.faforever.com/topic/2373/ai-development-guide-and-m27ai-v71-devlog
                https://forum.faforever.com/topic/5331/m28ai-devlog-v150

                1 Reply Last reply Reply Quote 0
                • M
                  maudlin27
                  last edited by 18 Aug 2024, 19:30

                  v120 Update
                  19 changes, mostly relating to minor bugfixes, including:

                  • New asf/intie hover-micro to increase DPS when targeting slower enemy air units such as transports
                  • New higher priority T1 and T2 radar builder where M28 has a significant force of longer ranged units that lack radar coverage
                  • Fixed an issue for water zone assignemnt in the small area surrounding an island that led to some strange zones on white fire
                  • 4 LOUD/mod changes, including support for upgradable t2 pgens, and observation satellite

                  Acknowledgements

                  • Lightwire – Replay where a map issue caused repeated M28 error messages
                  • Azraeel – LOUD replay
                  • Fertgl – Replay where a megalith got stuck

                  M27AI and M28AI developer; Devlogs and more general AI development guide:
                  https://forum.faforever.com/topic/2373/ai-development-guide-and-m27ai-v71-devlog
                  https://forum.faforever.com/topic/5331/m28ai-devlog-v150

                  Z 1 Reply Last reply 19 Aug 2024, 03:14 Reply Quote 4
                  • Z
                    zhanghm18 @maudlin27
                    last edited by 19 Aug 2024, 03:14

                    @zhanghm18 said in M28AI Devlog (v120):

                    @maudlin27 I think that's the reason for the problem. The experimental shield in the MOD is larger than the normal shield SIZE. This resulted in M28 not building them.
                    It should be noted that I remember that the M28 built these larger experimental shields in previous versions. But the problem started with some recent version (sorry, I'm not sure which one).

                    @maudlin27 hi, I would like to ask if the construction of the larger experimental shield will be solved?

                    M 1 Reply Last reply 19 Aug 2024, 07:17 Reply Quote 0
                    • M
                      maudlin27 @zhanghm18
                      last edited by 19 Aug 2024, 07:17

                      @zhanghm18 No, I've no plans to support construction of shields that are larger than the normal size

                      M27AI and M28AI developer; Devlogs and more general AI development guide:
                      https://forum.faforever.com/topic/2373/ai-development-guide-and-m27ai-v71-devlog
                      https://forum.faforever.com/topic/5331/m28ai-devlog-v150

                      1 Reply Last reply Reply Quote 0
                      • H
                        Hammi
                        last edited by 21 Aug 2024, 11:50

                        maudlin, I've tried to generate a replay showing the ACU doing nothing except for running in circles when the ACU is the M28's only unit in the game. Replay #23151227
                        I've deactivated all mods except for M28, Total Mayhem, and Black Ops. I hope this one works without desyncs. The interesting part starts around 00:50:00.

                        M 1 Reply Last reply 23 Aug 2024, 07:00 Reply Quote 0
                        • M
                          maudlin27 @Hammi
                          last edited by 23 Aug 2024, 07:00

                          @hammi Thanks, looks like an issue where if you kill its part-complete land factory when it's trying to rebuild its base and it has no other factories it doesn't try and rebuild it, it'll be fixed in the upcoming release

                          M27AI and M28AI developer; Devlogs and more general AI development guide:
                          https://forum.faforever.com/topic/2373/ai-development-guide-and-m27ai-v71-devlog
                          https://forum.faforever.com/topic/5331/m28ai-devlog-v150

                          1 Reply Last reply Reply Quote 0
                          • M
                            maudlin27
                            last edited by maudlin27 23 Aug 2024, 08:56

                            v121 Update
                            Special logic for selens added, along with 14 other changes:

                            • Selens should try and hide near enemy mexes to ambush unsuspecting engineers
                            • Fixed various bugs, including one that would break M28 on Dawn (FA mission 2), and a bug with its T1/T2 radar construction logic that could break its engineer logic.
                            • Increased the proportion of tanks to get relative to T3 mobile arti if M28 gets lots of T3 mobile arti
                            • 8 LOUD related changes, including stopping building experimental resource generators if it has one, unit prioritisation adjustments, T2 sniperbot enhancement upgrade, prioritising cheaper experimentals over expensive ones, and fixing a bug that meant M28Easy (non-AIX version) wouldn’t work.

                            Acknowledgements

                            • QAI3000 – replay with errors in Coop on FA M2 Dawn
                            • Tematus – Replay/screenshot where M28 had a 0 health air staging unit
                            • Azraeel – Various LOUD replays including on wip versions of M28
                            • J.w.w – noting M28Easy fails to work in LOUD
                            • Hammi – Bug where M28 didn’t rebuild its base after losing it

                            M27AI and M28AI developer; Devlogs and more general AI development guide:
                            https://forum.faforever.com/topic/2373/ai-development-guide-and-m27ai-v71-devlog
                            https://forum.faforever.com/topic/5331/m28ai-devlog-v150

                            1 Reply Last reply Reply Quote 4
                            • H
                              Hammi
                              last edited by 23 Aug 2024, 11:08

                              Thanks, Maudlin. The AI now reliably builds a single land factory after losing its base. But then, nothing happens. Replay (again with some mods enabled, hopefully without causing desyncs): https://replay.faforever.com/23163222

                              M 1 Reply Last reply 23 Aug 2024, 13:49 Reply Quote 0
                              • M
                                maudlin27 @Hammi
                                last edited by 23 Aug 2024, 13:49

                                @hammi said in M28AI Devlog (v121):

                                23163222

                                Unfortunately the replay desyncs for me so I can't investigate. If I was to guess, it's got T3 mexes left over but no pgens and so is stalling power

                                M27AI and M28AI developer; Devlogs and more general AI development guide:
                                https://forum.faforever.com/topic/2373/ai-development-guide-and-m27ai-v71-devlog
                                https://forum.faforever.com/topic/5331/m28ai-devlog-v150

                                1 Reply Last reply Reply Quote 0
                                • H
                                  Hammi
                                  last edited by 23 Aug 2024, 13:51

                                  There was nothing left, just the ACU. It built a land factory first and then just went around in circles, never building a power gen or a mex. (ACU was in its spawn point with mex spots around it.)

                                  1 Reply Last reply Reply Quote 0
                                  • M
                                    maudlin27
                                    last edited by maudlin27 23 Aug 2024, 14:25

                                    What's meant to happen is the land factory builds an engineer, and that engineer builds the power gen and/or mexes. ACU behaviour is expected since it will by that stage of the game should be terrified of anything that moves and wants to just run instead of spend time building anything (unless enemies get near to it where it might attack them).

                                    M27AI and M28AI developer; Devlogs and more general AI development guide:
                                    https://forum.faforever.com/topic/2373/ai-development-guide-and-m27ai-v71-devlog
                                    https://forum.faforever.com/topic/5331/m28ai-devlog-v150

                                    1 Reply Last reply Reply Quote 1
                                    • H
                                      Hammi
                                      last edited by 24 Aug 2024, 14:34

                                      With UEF it works (although the AI tends to build one offensive unit in the land factory before it builds an engineer). With Aeon, not so much: https://replay.faforever.com/23171674

                                      1 Reply Last reply Reply Quote 1
                                      • S
                                        SHiFT_DeL3TE @maudlin27
                                        last edited by SHiFT_DeL3TE 28 Aug 2024, 22:03

                                        This post is deleted!
                                        1 Reply Last reply Reply Quote 0
                                        • J
                                          Jdizzle
                                          last edited by 3 Sept 2024, 20:45

                                          Hey Maudlin,

                                          are there any other differences between the M28 and M28easy other than the "dodge micro" or is the general micro better on M28?

                                          Do you have any experience on what maps the M28 is the most agressive? On the more normal maps, the M28 often stop attacks after T1 and then it starts again with T4.

                                          1 Reply Last reply Reply Quote 0
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