DoomRL > Modding

Mod Ports (from older versions)

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Oski:
Oh. Well in that case I'm getting the original error with the files in the OP. Don't worry about it, you've got a lot on your plate. Just wanted to let it be known in case it was helpful.

yaflhdztioxo:
0994 -> 0995 isn't TOO bad, except that all thing prototypes must be complete--no extra fields, no omitted required fields.  Also, some field names changed.  So that's annoying.  But only a handful of API changes break code.

tinyrodent:
Can we get some detailed 9.9.5 modding info? Blank, Dead Simple, and my own experiments all crash.

Game Hunter:
This is a complete API changelog from the beta threads. Feel free to sort through:


--- Code: --- * Episodic mods supported!
 * Multiple lua files in a mod supported
 * BF_BOSS sub-uses split into separate flags -- BF_SELFIMMUNE, BF_KNOCKIMMUNE, BF_HUNTER
 * Removed Generator.place_tile and Generator.set_translation -- instead, Valkyrie dungen's own
    functions are used -- you create a tile using Generator.tile_new( map, trans ) (note the reverse
    order!) and place it using Generator.tile_place( coord, tile ) (also reversed!). Note however, that
    the Level.place_tile stayed the same!
 * Removed Level.place_chunk -- as thanks to the new Generator tile API it is just 3 lines -- see the
    Archi style generator for an example.
 * Removed ui.plot_write -- use ui.plot_screen (can and should be fed with a multiline string!)
 * OnDieCheck hook added for beings and player -- return false to prevent death
 * entities now need to be properly defined (have all required fields, none extra)
 * new AI's available -- built-in AI removed
 * removed old API flags - BF_USESITEMS, BF_HUNTER, BF_DISTANCE and BF_RETALITATE
   ( BF_HUNTER and BF_OPENDOORS will be removed later!)
 * all flagSet sets for prototypes are now flag_set
 * all soundID sets for prototypes are now sound_id
 * all ammoID props now named ammo_id
 * XP -> xp, HP -> hp, minLev -> min_lev, maxLev -> max_lev, toDam ->todam, toHit -> tohit, toHitMelee -> tohitmelee
   for being prototypes
 * MAXAFFECTS raised to 12 - feel free to add your own!
 * path_next and direct_seek return a coord as a second result -- either it's the coord that has successfuly been
   moved to, or it is the coord that blocked
 * entity.id now returns a string id
 * entity.sid is invalid
 * entity id's are no longer limited to 20 chars
 * table.toset is now table.to_set
 * new table functions are now available table.toset, table.copy, table.icopy, table.merge, table.imerge,
   table.reversed -- all table copying/merging is shallow!
 * SHOTGUN_ and MISSILE_ constants are no more, id's changed to be unique. Use string id's for prototype
   definitions and shotguns[ "" ].nid/missiles[ "" ].nid for changing ingame.
 * Hooks - Challenge hook OnPowerUpCheck removed - OnPickupCheck working
   Challenge hook OnBeingCreate is now OnCreate - works on items too, so remember to check!
 * added thing:is_item() and thing:is_being() to thing API
 * Hooks - Challenge hook OnLevelEnter/OnLevelExit is now OnEnter/OnExit
 * Hooks - IsCompleted -> OnCompletedCheck
 * player:remove_affect added
 * being:quick_swap added
 * being:drop added
 * being:reload changed (will work with ammo packs and combat shotties)
 * OnAltReload *must* return a boolean (success)
 * being:alt_reload added (will work with all non-script alt-reloads, script ones will run, but will misbehave)
 * IF_NOAMMO and IF_DESTROY should now work with shotguns
 * technically a shotgun can now have ALT_CHAIN and work with Ammochain
 * beings can now dualgun and have gunkata-reload if equiped with the proper flags
 * beings use the full extent of the options that the player has when firing
 * being:fire now returns a boolean (if false, no time is used up!)
 * being:alt_fire added (be sure to use only with compatible objects!)
 * item hook OnFire and OnAltFire revesed return (true continues, false breaks)
 * challenge hook OnFire  takes (item,being)
 * Level hook OnFire(item,being) added
 * Level hook OnFired(item,being) added
 * removed LF_MELEEONLY flag, use Level.OnFire instead
 * introducing HookChains -- first such chain is Item-Level-Challenge hooks OnFire and OnFired
 * HookChains for OnPickup and OnPickupCheck and OnFirstPickup (Item-Level-Challenge)
 * OnPickup and OnPickupCheck are also executed for beings!
 * beings use the same code to pickup as the player, so could be made to pickup e.g. powerups
 * lever OnUse must return a boolean value (true)
 * being:use is a full featured use - if passed nil, will attempt to use levers
 * HookChains for OnUseCheck and OnUse (Item-Level-Challenge)
 * OnUseCheck and OnUse are also executed for beings!
 * Module Hooks added - inserted into the current HookChain - use ModuleID.HookName for any module
 * OnKill, OnKillAll and OnEnter are now chained into Level, Module, Challenge
 * OnCreate, OnDie, OnDieCheck are now chained into (Being/Item), Level, Module, Challenge
 * Module API - use OnCreateEpisode hook instead of create_episode, OnGenerate instead of generate
 * OnMortem is not used for printing (but for things to check before score finalization) use OnMortemPrint instead
 * indexing the inventory will no longer work
 * you can destroy inventory items that you iterate through - they will be removed from inventory
 * thing methods now correctly can be ran through self:
 * inventory rehaul
 * LFPERMANENT *light*flag added, now controls permanency of walls per cell
 * removed all permanent versions of cells (all starting with p)
 * OnDieCheck can be properly hijacked (add)
 * Level.play_sound for playing sound at coord added (add)

Hook info:
  OnCreate        // Being and Item -> Level, Module, Challenge, Core (Chained)
  OnAction        // Being
  OnAttacked      // Being
  OnDie           // Being, Level, Module, Challenge, Core (Chained)
  OnDieCheck      // Being, Level, Module, Challenge, Core (Chained)
  OnPickup        // Item, Level, Module, Challenge, Core (Chained)
  OnPickupCheck   // Item, Level, Module, Challenge, Core (Chained)
  OnFirstPickup   // Item, Level, Module, Challenge, Core (Chained)
  OnUse           // Item, Level, Module, Challenge, Core (Chained)
  OnUseCheck      // Item, Level, Module, Challenge, Core (Chained)
  OnAltFire       // Item
  OnAltReload     // Item
  OnEquip         // Item
  OnRemove        // Item
  OnKill          // Item (separate), Level, Module, Challenge, Core (Chained)
  OnKillAll       // Level, Module, Challenge, Core (Chained)
  OnHitBeing      // Item
  OnReload        // Item
  OnEquipTick     // Item
  OnEquipCheck    // Item
  OnEnter         // Item (separate),  Level, Module, Challenge, Core (chained)
  OnFire          // Item, Level, Module, Challenge, Core (Chained)
  OnFired         // Item, Level, Module, Challenge, Core (Chained)
  OnExit          // Level, Module, Challenge, Core (Chained)
  OnTick          // Level, Module, Challenge, Core (Chained)
  OnCompletedCheck// Level, Module, Challenge, Core (Chained)
  OnLoad          // Module, Challenge, Core (Chained)
  OnLoaded        // Module, Challenge, Core (Chained)
  OnUnLoad        // Module, Challenge, Core (Chained)
  OnCreatePlayer  // Module, Challenge, Core (Chained)
  OnLevelUp       // Module, Challenge, Core (Chained)
  OnPreLevelUp    // Module, Challenge, Core (Chained)
  OnWinGame       // Module, Challenge, Core (Chained)
  OnMortem        // Module, Challenge, Core (Chained)
  OnMortemPrint   // Module, Challenge, Core (Chained)
  OnCreateEpisode // Module, Challenge, Core (Chained)
  OnLoadBase      // Module, Challenge, Core (Chained)
  OnIntro         // Module, Challenge, Core (Chained)
  OnLogo          // Module, Challenge, Core (Chained)
  OnGenerate      // Module, Challenge, Core (Chained)

Module hooks are dependant on module type:
  Total conversion -- all hooks
  Episode          -- all hooks except OnLoadBase and OnLogo
  Single           -- all hooks except OnCreateEpisode, OnLoadBase and OnLogo

--- End code ---

Off the top of my head, the most important changes for mod conversion involve a few definition changes for existing functions and some changed prototype field names. Basically this stuff (all of which is in the above changelog, so you aren't confused):

* BF_BOSS sub-uses split into separate flags -- BF_SELFIMMUNE, BF_KNOCKIMMUNE, BF_HUNTER
* Removed Generator.place_tile and Generator.set_translation -- instead, Valkyrie dungen's own functions are used -- you create a tile using Generator.tile_new( map, trans ) (note the reverse order!) and place it using Generator.tile_place( coord, tile ) (also reversed!). Note however, that the Level.place_tile stayed the same!
* Removed Level.place_chunk -- as thanks to the new Generator tile API it is just 3 lines.
* Removed ui.plot_write -- use ui.plot_screen (can and should be fed with a multiline string!)
* removed old API flags - BF_USESITEMS, BF_HUNTER, BF_DISTANCE and BF_RETALITATE ( BF_HUNTER and BF_OPENDOORS will be removed later!)
* all flagSet sets for prototypes are now flag_set
* all soundID sets for prototypes are now sound_id
* all ammoID props now named ammo_id
* XP -> xp, HP -> hp, minLev -> min_lev, maxLev -> max_lev, toDam ->todam, toHit -> tohit, toHitMelee -> tohitmelee for being prototypes
* entity.id now returns a string id
* entity.sid is invalid
* table.toset is now table.to_set
* SHOTGUN_ and MISSILE_ constants are no more, id's changed to be unique. Use string id's for prototype definitions and shotguns[ "" ].nid/missiles[ "" ].nid for changing ingame.

tinyrodent:
Thanks that's all useful information, but didn't really help to solve the problem. With further experimentation I found that Level.fill and Level.place_tile both cause crash. If I comment those out, I can get a bare bones "single" mod to run without crashing. The fill function is not mentioned in the change log, and for the other it says:
--- Quote ---Note however, that the Level.place_tile stayed the same!
--- End quote ---

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