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Demo loop issue

I noticed that Eternity displays what appears to be an incorrect help/credits screen during the demo loop, between the first and second demos, when playing with the 1.9 registered version IWAD - the registered version push ad from the shareware version is displayed.

I am curious if this is an original vanilla DOOM bug, Linux Doom bug, BOOM/MBF bug, or something I have broken myself.

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It looks like a bug or change introduced after vanilla. In both registered and shareware modes Doom v1.9 shows CREDIT after the first demo and HELP2 after the second demo.

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Ultimate Doom v1.9:

TITLEPIC
DEMO1
Credits screen
DEMO2
Credits screen
DEMO3
DEMO4

Doom 2 v1.9:

TITLEPIC
DEMO1
Credits screen
DEMO2
TITLEPIC
DEMO3

These are the correct sequences. Older versions are irrelevant, people should upgrade to the latest, it's free.

Eternity sometimes shows its own credits screen instead of Doom's.

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printz said:

These are the correct sequences. Older versions are irrelevant, people should upgrade to the latest, it's free.

Eternity sometimes shows its own credits screen instead of Doom's.

Mmmm, no. Registered is still a distinct gamemode and always has been, and I'm not ripping it out. If I did, and always treated the game as if though it were running in Ultimate Doom, the game would bomb out when you tried to start a new game on E4 (no Thy Flesh Consumed). Demos from Doom 1.9 would also desync.

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I don't know if they are the same as vanilla but here are the scripts we use with Doomsday:

DOOM1 (inc, variants):

  Script {
    # There is no skipping during the titlescreen loop.
    NoSkip 
    
    # Any event shows the menu.
    Trigger
    
    MARKER title_loop

    # Step 1.
    Patch back 0 0 "TITLEPIC"
    MusicOnce "intro"
    Wait 4.857 # Original wait is 170 tics.
        
    # Step 2.
    IF MODE:doom1-share     PlayDemo "sdemo1.cdm"
    IF MODE:doom1           PlayDemo "rdemo1.cdm"
    IF MODE:doom1-ultimate  PlayDemo "udemo1.cdm"

    # Step 3.
    Set back "CREDIT"
    Wait 5.714 # Original is 200 tics.
      
    # Step 4.
    IF MODE:doom1-share     PlayDemo "sdemo2.cdm"
    IF MODE:doom1           PlayDemo "rdemo2.cdm"
    IF MODE:doom1-ultimate  PlayDemo "udemo2.cdm"
    
    # Step 5.
    IF MODE:doom1-ultimate Set back "CREDIT" ELSE Set back "HELP2"
    Wait 5.714 # 200 tics.
      
    # Step 6.
    IF MODE:doom1-share     PlayDemo "sdemo3.cdm"
    IF MODE:doom1           PlayDemo "rdemo3.cdm"
    IF MODE:doom1-ultimate  PlayDemo "udemo3.cdm"

    # Step 7.
    IF MODE:doom1-ultimate  PlayDemo "udemo4.cdm"
      
    GOTO title_loop
  };
DOOM2 (inc, variants):
  Script {
    # There is no skipping during the titlescreen loop.
    NoSkip 
    
    # Any event shows the menu.
    Trigger
    
    MARKER title_loop

    # Step 1.
    Patch back 0 0 "TITLEPIC"
    MusicOnce "dm2ttl"
    Wait 13 # Original was 11; this'll play the whole song.
        
    # Step 2.
    PlayDemo "2demo1.cdm"

    # Step 3.
    Set back "CREDIT"
    Wait 5.714 # Original is 200 tics.
      
    # Step 4.
    PlayDemo "2demo2.cdm"
    
    # Step 5.
    Set back "TITLEPIC"
    Music "dm2ttl"
    Wait 13 # Original was 11.
      
    # Step 6.
    PlayDemo "2demo3.cdm"
      
    GOTO title_loop
  };

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EE is showing HELP2 in registered mode as well. The problem is, HELP2 seems to be the shareware ad screen in the registered IWAD :)

Is this really something that id overlooked?

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I'm guessing they left it there as a reminder about the shareware and an encouragement to register that people could also see on DOOM running on the computer of anyone who registered the game.

The behavior of the help screens doesn't change when you register either, as you get the ad when you hit F1 and must hit Enter to see the actual help screen. That itself is more awkward than the demo loop because if the player hits Escape instead of Enter he or she might think that's all the help option offers. They did place the menu skull on the screen to hint that Enter will activate something but that's not something everyone would notice. It would have been sensible to swap those screens in registered mode, getting HELP1 first, but maybe they were too eager to keep selling copies :p

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