Introduces new functions to check for presence of and remove player items.
These functions do not rely on or expose item indices.
They're implemented as free functions instead of Player methods due to
complicated include dependencies between `player.h`, `inv.h`, and
`inv_iterators.h`. We should probably look into cleaning this up at some
point.
Previously this was falling back to FunctionCase, leading to inconsistent casing of class methods throughout the codebase. Applied to Item as an example.
Makes `CelSprite` unowned and adds a new `OwnedCelSprite` class for
owned sprites.
This clarifies ownership and makes the code cleaner in a number of
places.
Additionally, because the `CelSprite` class is now tiny (1 less
pointer), we can pass it by-value instead of by-reference, removing a
pointer indirection in the rendering functions.
Readied spell can be swapped to something else in between the cast and the hit frame, resulting in incorrect removal.
This is how currently belt scrolls are checked so we are now using a consistent strategy.
This mostly change player to be by reference instead of by index.
But additionally it does stript checks for gold in the belt, move some
value types to the initialization and short circute a few functiongs.
Gleb Mazovetskiy
qndel
ephphatha
staphen
Juliano Leal Goncalves
Anders Jenbo
Łukasz Łapiński