chair, performance improvement

1 files changed, 20 insertions, 0 deletions

diff --git a/src/sim/entity/mod.rs b/src/sim/entity/mod.rs
index af4f0dd..fda0a79 100644
--- a/src/sim/entity/mod.rs
+++ b/src/sim/entity/mod.rs
@@ -10,6 +10,7 @@ use crate::{
     sim::{
         cell::Cell, lib::marching_squares::Marchable, rb_manager::RbManager, sim_manager::SimCtx,
     },
+    sprite_loader::load_sprite_to_cells,
 };
 
 fn mass_from_cells(cells: &[Cell]) -> f32 {
@@ -103,6 +104,25 @@ impl EntityDef {
             behaviour,
         }
     }
+
+    pub fn from_sprite(
+        position: Vec2,
+        path: &str,
+        behaviour: Option<Box<dyn EntityBehaviour>>,
+    ) -> Self {
+        let sprite_cells = load_sprite_to_cells(path);
+        let mut entity_cells = EntityCells {
+            cells: sprite_cells.cells,
+            size: IVec2::new(sprite_cells.width as i32, sprite_cells.height as i32),
+        };
+
+        entity_cells
+            .cells
+            .iter_mut()
+            .for_each(|c| c.set_entity_integrated(true));
+
+        EntityDef::from_cells(position, entity_cells, behaviour)
+    }
 }
 
 #[derive(Clone, Copy, PartialEq, Eq, Debug, Hash)]