better muntik

1 files changed, 61 insertions, 1 deletions

diff --git a/src/phys/body.odin b/src/phys/body.odin
index 54177e5..4c9dff1 100644
--- a/src/phys/body.odin
+++ b/src/phys/body.odin
@@ -1,8 +1,9 @@
 package phys
 
+import "core:log"
 import "core:math"
 import "core:math/linalg"
-import "core:log"
+import hm "core:container/handle_map"
 
 Vec2 :: [2]f32
 
@@ -45,6 +46,7 @@ Raycast_Collision :: struct {
 
 Body :: struct {
   handle: Body_Handle,
+  udata: any,
   bin_idx: i32,
   rect: Rect,
   active: bool,
@@ -157,3 +159,61 @@ raycast_to_aabb :: proc(
 
   return
 }
+
+@(require_results)
+get_velocity :: proc(h: Body_Handle) -> Vec2 {
+  return hm.get(&world.bodies, h).vel
+}
+
+set_velocity :: proc(h: Body_Handle, vel: Vec2) {
+  hm.get(&world.bodies, h).vel = vel
+}
+
+@(require_results)
+get_position :: proc(h: Body_Handle) -> Vec2 {
+  return hm.get(&world.bodies, h).pos
+}
+
+set_position :: proc(h: Body_Handle, new_pos: Vec2) {
+  b := hm.get(&world.bodies, h) 
+
+  prev_bin := _hash_bin(_world_to_bin(b.pos + b.rect.start))
+  res_bin := _hash_bin(_world_to_bin(new_pos + b.rect.start))
+
+  if prev_bin != res_bin {
+    _remove_from_bins(b^)
+    b.pos = new_pos
+    _add_to_bins(b)
+  } else {
+    b.pos = new_pos
+  }
+}
+
+@(require_results)
+get_collisions :: proc(h: Body_Handle) -> bit_set[Collision_Type;u8] {
+  return hm.get(&world.bodies, h).collisions
+}
+
+@(require_results)
+get_rect :: proc(h: Body_Handle) -> Rect {
+  return hm.get(&world.bodies, h).rect
+}
+
+@(require_results)
+get_layers :: proc(h: Body_Handle) -> Layer_Set {
+  return hm.get(&world.bodies, h).layers
+}
+
+@(require_results)
+get_mask :: proc(h: Body_Handle) -> Layer_Set {
+  return hm.get(&world.bodies, h).mask
+}
+
+@(require_results)
+get_udata :: proc(h: Body_Handle) -> any {
+  return hm.get(&world.bodies, h).udata
+}
+
+set_udata :: proc(h: Body_Handle, udata: any) {
+  hm.get(&world.bodies, h).udata = udata
+}