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New levels need to go at the *end* of the list of levels, not the
beginning - otherwise we jump to the proper position on the new level
but the current level stays the same (oops).
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Per https://github.com/noinia/hgeometry/issues/28, occasionally
DelaunayTriangulation.DivideAndConquer loops infinitely - in this case,
I was able to consistently use the seed 127624940715530481, to generate
a dungeon which had the following room centroids:
[ Point2 [38.5,3.5] :+ 0
, Point2 [67.0,33.0] :+ 1
, Point2 [46.0,45.5] :+ 2
, Point2 [55.5,42.0] :+ 3
, Point2 [36.0,25.0] :+ 4
, Point2 [76.5,12.0] :+ 5
, Point2 [29.0,26.5] :+ 6
, Point2 [55.0,10.5] :+ 7
]
and cause delaunay triangulation to loop indefinitely (or at least
longer than I cared to wait for). Given the size of our graphs switching
to naive generation should be fine performance-wise, and avoids the
infinite loop.
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Generate doors at more reasonable positions, by:
- Only generating doors at the *ends* of hallways, where there's a
tee-shaped opening
- Never generating two doors adjacent to each other
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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.
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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.
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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.
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Decouple the definition of the Gormlak AI from the creature type itself
using generic lenses and a "HasVisionRadius" typeclass, to begin to
untangle the hs-boot web of circular dependencies. This
actually *increases* the number of hs-boot files from 1 to 2, but both
of the source imports that use them are single-instance (unlike gormlak
AI which I would expect to grow linearly with the growth of the game),
plus at least one should be able to go away once we remove collision
from the game lenses module and move it into something defined in the
entity class itself.
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Rather than just describing them as "a door". Descriptions should
ideally be as injective as possible!
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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.
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For some reason cabal wasn't properly recompiling this file locally to
pick up the introduction of an ambiguity error.
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When wielding a new item, put any previously-wielded items back in the
character's backpack.
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When saving the game to a file that already exists, prompt for whether
or not to overwrite the file.
Since this was the first instance of a prompt triggered by another
prompt, this also had to do a minor fix to swap the order of completing
the prompt and clearing it, so that we don't submit the prompt and then
immediately clear it.
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Pick a random subset of cells on the level that have a wall on two
opposite sides and are clear on the other two sides, and place closed,
unlocked doors on those cells.
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Add a dungeon level generator, which:
1. generates an infinite sequence of rectangular rooms within the
dimensions of the level
2. removes any duplicates from that sequence
3. Generates a graph from the delaunay triangulation of the centerpoints
of those rooms
4. Generates the minimum-spanning-tree of that delaunay triangulation,
with weights given by line length in points
5. Adds back a subset (default 10-15%) of edges from the delaunay
triangulation to the graph
6. Uses the resulting graph to draw corridors between the rooms, using a
random point on the near edge of each room to pick the points of the
corridors
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Make raster circle rendering use the Rasterific package instead of
attempting desperately to hand-roll it, and add a method for generating
filled circles.
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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
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Recalculate the character's lines of sight every time we step the game,
rather than just every time the character *moves*. I had originally
thought this was a non-contiguous lines-of-sight bug - which there's a
test disproving - but it actually turned out to be that actions like
eating or attacking would step the game forward (thus moving gormlaks)
without re-calculating the positions visible to the character.
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Prompt to confirm before quitting the game with the Quit command
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Make the setter for the atPosition lens preserve entityIDs for
already-existing entities at the position, so that when we plop
something in the same tile as the character the character's entity ID
doesn't disappear.
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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).
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When attacking, use either:
- the message defined on the entity raw of the wielded item, if any
- the generic attack message, if an item without an attack message is wielded
- the fists attack message, if no item is wielded
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Use whatever items the character has wielded, if any, to calculate the
damage they deal when attacking. Currently this shortcuts handedness to
just use the *first* item they have equipped, which is fine since it's
currently only possible to equip something in the right hand.
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Add a Wield command, which prompts for a wieldable item, if any, to take
out of the character's inventory and put in their right hand.
Eventually we should support other hands, but for now hardcoding the
right hand should be fine.
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Split the character's inventory up into wielded items (in one or both
hands) and the backpack, and display wielded items when drawing the
inventory panel. Currently there's no way to actually *wield* items
though, so this is all unused/untested.
Also, add the ability for items to be "wieldable", which gives specific
descriptions for when attacking with them and also modified damage.
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Rendering an editor with txtWrap makes brick blow up because editors
have an internal viewport, but txtWrap advertises an infinite width.
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Make it so that opening the eat menu but not actually eating anything
(either because you cancel, or because there's nothing to eat) doesn't
step the game
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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.
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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.
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All the undefineds are gone, so it's time to enable -Werror in CI.
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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.
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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.
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Add a newtype, GenericArbitrary, which can be used with -XDerivingVia to
derive Arbitrary instances for types with Generic, via patching
generic-arbitrary to expose the underlying typeclass it uses for
surfacing the type information.
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Implement the PointOnMap prompt type, which allows the player to move
the cursor around and select a position on the map, and use this prompt
type to implement a "look" command, describing all entities at the
selected position.
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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.
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Wrap hitpoints in a newtype, and recover character hitpoints over time
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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.
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Because of the way lines are drawn, a specific configuration of
positioning for gormlaks would have them decide they desperately wanted
to walk *inside* a wall, which they would then both fail to do but also
always collide with whenever they tried to go anywhere else.
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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.
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Stepping the game after updating the vision could allow creatures like
gormlaks to move *out* of the character's pre-calculated lines of sight,
causing gormlaks right next to the character to be invisible.
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Allow specifying the seed for the game's global RNG on startup, and
print the seed when the game exits. This'll allow us to more reliably
reproduce bugs - yay!
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Previously the isUnit function was falsely returning `True` for
positions that were one tile off in *either* direction from the
character, when it should've been *both*. Oops.
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Fix underflow that could happen when multiple gormlaks attack the
character in a single turn
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Add menu support to the prompt system, and an "Eat" command that prompts
for an item to eat and eats the item the character specifies, restoring
an amount of hitpoints configurable via the item raw type.
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This may have resulted in a double-attack per turn
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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).
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When gormlaks see the character, they step towards them and attack
dealing 1 damage when adjacent. Characters have hitpoints now, displayed
at the bottom of the game screen, and when the game is over they die.
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- Don't let gormlaks run into things like walls or each other
- Add a small element of randomness to gormlaks' motion
- Increase gormlaks' vision by a large amount
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