Struct TerrainDiff 

pub struct TerrainDiff {
    pub width: usize,
    pub height: usize,
    pub changes: Vec<(u32, f32, f32)>,
}

Stores the per-cell difference between two snapshots for compact undo.

Fields

width: usize

height: usize

changes: Vec<(u32, f32, f32)>

(cell_index, old_value, new_value)

Implementations

impl TerrainDiff

pub fn compute(before: &TerrainSnapshot, after: &TerrainSnapshot) -> Self

pub fn apply(&self, hm: &mut HeightMap)

pub fn revert(&self, hm: &mut HeightMap)

pub fn changed_cell_count(&self) -> usize

Trait Implementations

impl Clone for TerrainDiff

fn clone(&self) -> TerrainDiff

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TerrainDiff

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.