49 lines
1.6 KiB
Rust
49 lines
1.6 KiB
Rust
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use crate::keys::Keyring;
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#[derive(Copy, Clone)]
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pub struct Player {
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/// The player's current health. Game-global (not per-board), so it persists
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/// across board transitions. Scripts change it via `alter_health(dh)`, which
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/// clamps to `[0, max_health]`. Front-ends display it via the status sidebar.
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pub health: i64,
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/// The maximum health the player can have. Scripts clamp `alter_health` to
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/// this ceiling; the status sidebar uses it to size the heart row.
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pub max_health: i64,
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/// The player's key inventory. Game-global; persists across board transitions.
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pub keys: Keyring,
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/// The number of gems the player has collected. Game-global like
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/// [`player_health`](GameState::player_health); starts at `0`.
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pub gems: i64,
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}
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impl Player {
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/// Attempt to modify the gem total by the given amount, but maintain a minimum of zero.
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/// If the modification would take up below zero, leave it alone and return false.
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pub fn alter_gems(&mut self, delta: i64) -> bool {
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if delta + self.gems < 0 {
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false
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} else {
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self.gems += delta;
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true
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}
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}
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/// Modify the player's health by the given delta, clamped to within the range `[0, max_health]`
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pub fn alter_health(&mut self, delta: i64) {
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self.health = (self.health + delta).clamp(0, self.max_health);
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}
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}
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impl Default for Player {
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fn default() -> Player {
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Self {
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health: 5,
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max_health: 5,
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gems: 0,
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keys: Keyring::default(),
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}
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}
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}
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