fp: Redo the attack boxes

feely_pona_game.cpp

@@ -414,6 +414,37 @@ static Dqn_Rect FP_Game_CalcEntityAttackWorldHitBox(FP_Game const *game, FP_Game
     return result;
 }
 
+static Dqn_FArray<Dqn_Rect, FP_GameDirection_Count> FP_Game_CalcEntityMeleeAttackBoxes(FP_Game const *game, FP_GameEntityHandle handle)
+{
+    Dqn_FArray<Dqn_Rect, FP_GameDirection_Count> result = {};
+    Dqn_Rect hit_box                                    = FP_Game_CalcEntityWorldHitBox(game, handle);
+    DQN_FOR_UINDEX (dir_index, FP_GameDirection_Count) {
+        Dqn_Rect *rect = Dqn_FArray_Make(&result, Dqn_ZeroMem_Yes);
+        rect->size     = hit_box.size;
+        switch (dir_index) {
+            case FP_GameDirection_Left: {
+                rect->pos = Dqn_Rect_InterpolatedPoint(hit_box, Dqn_V2_InitNx2(-1.f, 0.f));
+            } break;
+
+            case FP_GameDirection_Right: {
+                rect->pos = Dqn_Rect_InterpolatedPoint(hit_box, Dqn_V2_InitNx2(+1.f, 0.f));
+            } break;
+
+            case FP_GameDirection_Up: {
+                rect->pos = Dqn_Rect_InterpolatedPoint(hit_box, Dqn_V2_InitNx2(0.f, -1.f));
+            } break;
+
+            case FP_GameDirection_Down: {
+                rect->pos = Dqn_Rect_InterpolatedPoint(hit_box, Dqn_V2_InitNx2(0.f, +1.f));
+            } break;
+
+            case FP_GameDirection_Count: break;
+        }
+    }
+
+    return result;
+}
+
 static Dqn_Rect FP_Game_CalcEntityArrayWorldBoundingBox(FP_Game const *game, FP_GameEntityHandle const *handles, Dqn_usize count)
 {
     Dqn_Rect result = {};