sprite loader

2 files changed, 45 insertions, 0 deletions

diff --git a/src/content/entities/entity_tnt.rs b/src/content/entities/entity_tnt.rs
new file mode 100644
index 0000000..2e4cef5
--- /dev/null
+++ b/src/content/entities/entity_tnt.rs
@@ -0,0 +1,44 @@
+use glam::{IVec2, Vec2};
+
+use crate::{
+    sim::{
+        entity::{EntityBehaviour, EntityCells, EntityDef, EntityUpdateCtx},
+        lib::force::apply_explosion,
+        sim_manager::SimCtx,
+    },
+    sprite_loader::load_sprite_to_cells,
+};
+
+struct TntEntityBehaviour {
+    pub fuse: f32,
+}
+
+impl EntityBehaviour for TntEntityBehaviour {
+    fn update(&mut self, update_ctx: &mut EntityUpdateCtx, ctx: &mut SimCtx, delta_time: f32) {
+        self.fuse -= delta_time;
+        if self.fuse <= 0.0 {
+            apply_explosion(
+                ctx,
+                update_ctx.entity_data.transform(ctx).unwrap().0,
+                35,
+                Vec2::new(0.0, -0.6),
+                400.0,
+            );
+            update_ctx.deferred_destroy(update_ctx.entity_data.id);
+        }
+    }
+}
+
+pub fn entity_tnt_def(position: Vec2) -> EntityDef {
+    let sprite_cells = load_sprite_to_cells("assets/sprites/tnt");
+    let entity_cells = EntityCells {
+        cells: sprite_cells.cells,
+        size: IVec2::new(sprite_cells.width as i32, sprite_cells.height as i32),
+    };
+
+    EntityDef::from_cells(
+        position,
+        entity_cells,
+        Some(Box::new(TntEntityBehaviour { fuse: 3.0 })),
+    )
+}
diff --git a/src/content/entities/mod.rs b/src/content/entities/mod.rs
index 652ee6d..0ec45ce 100644
--- a/src/content/entities/mod.rs
+++ b/src/content/entities/mod.rs
@@ -1,3 +1,4 @@
 pub mod entity_bullet_emitter;
 pub mod entity_cube;
 pub mod entity_grenade;
+pub mod entity_tnt;