about summary refs log tree commit diff
path: root/src/Xanthous/Game/State.hs
AgeCommit message (Collapse)AuthorFilesLines
2020-01-20 Store revealed positions on the level itselfGriffin Smith1-6/+28
This was a bit of an oversight initially - we should be storing the positions that the character has seen *on the level*, rather than on the entire game state, for obvious reasons. This introduces a GameLevel record, which has this field, the entities, and also the up staircase position, which we can *also* use to position the character after going down to a level we've already visited.
2020-01-05 Add staircases, and moving between levelsGriffin Smith1-1/+2
Currently we just pick randomly between the cave and dungeon level generators. There's a lot of bugs here, but it's *sorta* working, so I'm leaving it as is.
2020-01-04 Add support for multiple levelsGriffin Smith1-4/+8
Add a data structure, based on the zipper comonad, which provides support for multiple levels, each of which is its own entity map. The current level is provided by coreturn, which the `entities` lens has been updated to use. Nothing currently supports going up or down levels yet - that's coming next.
2020-01-03 Track entity collision in the Entity classGriffin Smith1-0/+10
Rather than having a single function in the Game.Lenses module for determining what collision type if any an entity has, track it in the Entity typeclass itself. This is both more extensible and a better separation of concerns and gets rid of one of the two needs for a circular import. Yay! As part of this, I realized nothing was being done to prevent doors from being placed on tiles that already had walls (since now that was properly causing a collision!) so I've fixed that as well.
2020-01-03 Don't render moving entities that aren't visibleGriffin Smith1-0/+3
When the character walks away from or around the corner from entities that move such that they're no longer visible, stop rendering them. Still render static entities like walls, doors, and items though. This prevents entities walking into a "revealed position" after the character's left being visible despite not being in a line of sight any more.
2019-12-23 Don't send the welcome message when loadingGriffin Smith1-0/+4
Don't re-send the welcome message when loading the game if it's already been sent. This is done by just tracking whether or not we've sent it as a boolean in the game state, which may be a bit of a hack but should be fine
2019-12-23 Add a drop commandGriffin Smith1-1/+2
Add a drop command, bound to 'd', which prompts the character for an item in their inventory, removes it from the inventory, and places it on the ground. Along the way I had to fix a bug in the `EntityMap.atPosition` lens, which was always appending to the existing entities at the position on set, without removing the entities that were already there - the rabbit hole of quickchecking the lens laws here also lead to replacing the target of this lens with a newtype called `VectorBag`, which ignores order (since the entitymap makes no guarantees about order of entities at a given position).
2019-11-30 Add a very basic inventory panelGriffin Smith1-12/+7
Add a very basic inventory panel to the game opened by pressing `i`, which displays the contents of the player's inventory in a basic list.
2019-11-30 Add messages on the groundGriffin Smith1-10/+55
Add support for a "GroundMessage" entity type, support for a Read command to read them, and randomly place an initial, tone-setting tutorial message on the ground near the character at the beginning of the game.
2019-11-30 Fix an injectivity issue with saving the gameGriffin Smith1-2/+7
Fix an injectivity issue with JSON-encoding the entity map that was causing the game saving to not properly round-trip. As part of this, there's a refactor to the internals of the entity map to use sets instead of vectors, which should also get us a nice perf boost.
2019-11-29 Use menus for combat and picking up itemsGriffin Smith1-2/+83
Refactor a bunch of stuff around to allow for polymorphically surfacing an EntityChar for all entities, and use this to write a generic `entityMenu` function, which generates a menu from the chars of a list of entities - and use that to fully implement (removing `undefined`) menus for both attacking and picking things up when there are multiple entities on the relevant tile.
2019-11-29 Implement saving+loading the gameGriffin Smith1-7/+72
Implement ToJSON and FromJSON for all of the various pieces of the game state, and add a pair of functions saveGame/loadGame implementing a prism to save the game as zlib-compressed JSON. To test this, there's now Arbitrary, CoArbitrary, and Function instances for all the parts of the game state - to get around circular imports with the concrete entities this unfortunately is happening via orphan instances, plus an hs-boot file to break a circular import that was just a little too hard to remove by moving things around. Ugh.
2019-10-16 Add draw priorityGriffin Smith1-1/+5
Rather than blindly taking one entity from the list when we have multiple entities on the same tile, add a `drawPriority` method to the Draw typeclass which allows individual entities to request to be drawn on top - this avoids the "noodles floating over your head" bug we saw before.
2019-10-13 Implement speed and ticksGriffin Smith1-7/+8
Gormlaks now move 1/8th the speed of the character, which means we can run away from them - yay! Unfortunately this also introduces a bug where they'll eventually get stuck and not do anything, so I'll be tackling that next.
2019-10-05 Display multiple messages per turnGriffin Smith1-15/+45
When tracking message history, save messages associated with the turn they were displayed on, which allows us to have the notion of the "current turn's" messages (provided via a MonoComonad instance).
2019-09-28 Add debug command to reveal the gameGriffin Smith1-2/+21
Add a (debug) command to reveal all tiles on the game regardless of the character's vision, which'll make it easier to debug creature's behavior while they're not visible.
2019-09-28 Implement the start of creature AIGriffin Smith1-0/+200
Add a Brain class, which determines for an entity the set of moves it makes every step of the game, and begin to implement that for gormlaks. The idea here is that every step of the game, a gormlak will move towards the furthest-away wall it can see.