Bomb-Omb Buddy sanity improvement (#51)

src/game/behaviors/bobomb.inc.c

@@ -301,25 +301,26 @@ void bhv_bobomb_buddy_init(void) {
 }
 
 void bobomb_buddy_act_idle(void) {
-    UNUSED u8 filler[4];
-    s16 sp1a = o->header.gfx.animInfo.animFrame;
-    UNUSED s16 collisionFlags = 0;
+    s16 animFrame = o->header.gfx.animInfo.animFrame;
 
     o->oBobombBuddyPosXCopy = o->oPosX;
     o->oBobombBuddyPosYCopy = o->oPosY;
     o->oBobombBuddyPosZCopy = o->oPosZ;
 
-    collisionFlags = object_step();
+    object_step();
 
-    if ((sp1a == 5) || (sp1a == 16))
+    if ((animFrame == 5) || (animFrame == 16)) {
         cur_obj_play_sound_2(SOUND_OBJ_BOBOMB_WALK);
+    }
 
     struct Object* player = nearest_player_to_object(o);
-    if (dist_between_objects(o, player) < 1000.0f)
+    if (dist_between_objects(o, player) < 1000.0f) {
         o->oMoveAngleYaw = approach_s16_symmetric(o->oMoveAngleYaw, obj_angle_to_object(o, player), 0x140);
+    }
 
-    if (o->oInteractStatus == INT_STATUS_INTERACTED)
+    if (o->oInteractStatus == INT_STATUS_INTERACTED) {
         o->oAction = BOBOMB_BUDDY_ACT_TURN_TO_TALK;
+    }
 }
 
 /**
@@ -345,24 +346,27 @@ void bobomb_buddy_cannon_dialog(s16 dialogFirstText, s16 dialogSecondText) {
                 forceCannonOpen = FALSE;
 
                 cannonClosed = cur_obj_nearest_object_with_behavior(bhvCannonClosed);
-                if (cannonClosed != 0)
+                if (cannonClosed != 0) {
                     o->oBobombBuddyCannonStatus = BOBOMB_BUDDY_CANNON_OPENING;
-                else
+                } else {
                     o->oBobombBuddyCannonStatus = BOBOMB_BUDDY_CANNON_STOP_TALKING;
+                }
             }
             break;
 
         case BOBOMB_BUDDY_CANNON_OPENING:
             cannonClosed = cur_obj_nearest_object_with_behavior(bhvCannonClosed);
             cutscene = cutscene_object(CUTSCENE_PREPARE_CANNON, cannonClosed);
-            if (cutscene == -1)
+            if (cutscene == -1) {
                 o->oBobombBuddyCannonStatus = BOBOMB_BUDDY_CANNON_OPENED;
+            }
             break;
 
         case BOBOMB_BUDDY_CANNON_OPENED:
             buddyText = cutscene_object_with_dialog(CUTSCENE_DIALOG, o, dialogSecondText);
-            if (buddyText != 0)
+            if (buddyText != 0) {
                 o->oBobombBuddyCannonStatus = BOBOMB_BUDDY_CANNON_STOP_TALKING;
+            }
             break;
 
         case BOBOMB_BUDDY_CANNON_STOP_TALKING:
@@ -400,25 +404,28 @@ void bobomb_buddy_act_talk(void) {
                 break;
 
             case BOBOMB_BUDDY_ROLE_CANNON:
-                if (gCurrCourseNum == COURSE_BOB)
+                if (gCurrCourseNum == COURSE_BOB) {
                     bobomb_buddy_cannon_dialog(DIALOG_004, DIALOG_105);
-                else
+                } else {
                     bobomb_buddy_cannon_dialog(DIALOG_047, DIALOG_106);
+                }
                 break;
         }
     }
 }
 
 void bobomb_buddy_act_turn_to_talk(void) {
-    s16 sp1e = o->header.gfx.animInfo.animFrame;
-    if ((sp1e == 5) || (sp1e == 16))
+    s16 animFrame = o->header.gfx.animInfo.animFrame;
+    if ((animFrame == 5) || (animFrame == 16)) {
         cur_obj_play_sound_2(SOUND_OBJ_BOBOMB_WALK);
+    }
 
-    struct Object* player = nearest_player_to_object(o);
+    struct Object *player = nearest_interacting_player_to_object(o);
     s32 angleToPlayer = obj_angle_to_object(o, player);
     o->oMoveAngleYaw = approach_s16_symmetric(o->oMoveAngleYaw, angleToPlayer, 0x1000);
-    if ((s16) o->oMoveAngleYaw == (s16) angleToPlayer)
+    if ((s16) o->oMoveAngleYaw == (s16) angleToPlayer) {
         o->oAction = BOBOMB_BUDDY_ACT_TALK;
+    }
 
     cur_obj_play_sound_2(SOUND_ACTION_READ_SIGN);
 }

src/game/obj_behaviors.c

@@ -597,6 +597,43 @@ struct Object* nearest_player_to_object(struct Object *obj) {
     return nearest->marioObj;
 }
 
+/**
+ * Returns closest MarioState that's interacting with the object.
+ */
+struct MarioState *nearest_interacting_mario_state_to_object(struct Object *obj) {
+    struct MarioState *nearest = NULL;
+    f32 nearestDist = 0;
+    u8 checkActive = TRUE;
+    do {
+        for (s32 i = 0; i < MAX_PLAYERS; i++) {
+            if (gMarioStates[i].marioObj == obj) { continue; }
+            if (gMarioStates[i].interactObj != obj) { continue; }
+            if (checkActive && !is_player_active(&gMarioStates[i])) { continue; }
+            float dist = dist_between_objects(obj, gMarioStates[i].marioObj);
+            if (nearest == NULL || dist < nearestDist) {
+                nearest = &gMarioStates[i];
+                nearestDist = dist;
+            }
+        }
+        if (!checkActive) { break; }
+        checkActive = FALSE;
+    } while (nearest == NULL);
+
+    if (nearest == NULL) {
+        nearest = &gMarioStates[0];
+    }
+
+    return nearest;
+}
+
+/**
+ * Returns closest marioObj that's interacting with the object.
+ */
+struct Object *nearest_interacting_player_to_object(struct Object *obj) {
+    struct MarioState *nearest = nearest_interacting_mario_state_to_object(obj);
+    return nearest->marioObj;
+}
+
 /**
  * Returns whether or not the MarioState is the closet MarioState
  * to the object. 

src/game/obj_behaviors.h

@@ -167,6 +167,8 @@ u8 is_other_player_active(void);
 u8 is_player_in_local_area(struct MarioState* m);
 struct MarioState* nearest_mario_state_to_object(struct Object* obj);
 struct Object* nearest_player_to_object(struct Object* obj);
+struct MarioState *nearest_interacting_mario_state_to_object(struct Object *obj);
+struct Object *nearest_interacting_player_to_object(struct Object *obj);
 u8 is_nearest_mario_state_to_object(struct MarioState* m, struct Object* obj);
 u8 is_nearest_player_to_object(struct Object* m, struct Object* obj);
 #endif // OBJ_BEHAVIORS_H