* Attempts to choose a random empty cell that a monster could occupy, within a * certain radius of a given position and with valid line of sight to t

Returns user data in a named tuple of type UserInfo.

* Returns an integer, with a failure state. * * @param prompt the message to be used before the prompt. * @param nonneg if true, the failure sentin

If ctype == NUM_TERRAIN_CHANGE_TYPES, will revert *all* terrain changes on the given pos.

* This function attempts to determine if a given spell is useless to the * player. * * @param spell The spell in question. * @param temp

* Do interactive targeting for the currently selected action. Allows the * player to change actions. */

Validate an integer and check it is within the interval [min, max].

Check if a given coordinate is valid for lines.

* Return the name for a given artefact property. * * @param prop The artp in question. * @return A name; e.g. rCorr, Slay, HP, etc.

* The player's "base" armour class, before transitory buffs are applied. * * (This is somewhat arbitrarily defined - forms, for example, are conside

If there are warning inscriptions associated with performing this operation on this item, prompt the user for confirmation. Return true if all prompts

Whose altar is this feature? * * @param feat the feature. * @returns GOD_NO_GOD if not an altar, otherwise the god_type of the god. */

* Handle melee combat between attacker and defender. * * Combat effects should generally not go here, unless intended to be once per * complete att

Returns whether the monster is a 'proper' summon, vulnerable to abjuration, and whose corpse will vanish (possibly in a puff of smoke) upon them dying

Is the item something that we should try to autopickup? * * @param ignore_force If true, ignore force_autopickup settings from the *

WARNING: You can break save compatibility if you edit this without amending tags.cc to properly marshall the change.

If ignore_mundane is true, normally mundane items are forced to nevertheless become artefacts.

* Do the pickup command. * * @param partial_quantity If true, prompt for a quantity to pick up when * picking up a single s

* Checks if the player can generally equip any item that requires a given slot, * or whether they have restricted access (or none at all). * * The

Remove old data from a text file with comments. We look for lines that are `# start TAG_MAJOR_VERSION == X`. Then behaviour until `# end TAG_

Helper for layouts. Tries to increment lvalue without overflowing it.

* Get a randomly rounded value for the player's specified skill, unmodified * by crosstraining, draining, etc. * * @param skill The skill in qu

* Return the delay caused by attacking with weapon and projectile. * * @param projectile The projectile to be fired/thrown, if any. * @return

* Make a large area of clouds centered on a given place. This never creates * player exclusions. * * @param ctype The type of cloud to place.

Used by monsters in "planning" which spell to cast. Fires off a "tracer" which tells the monster what it'll hit if it breathes/casts etc. The output

* Get the player's max HP * @param trans Whether to include transformations, berserk, * items etc. * @param drained