Prevented SM64 hang on object count overflow

src/engine/behavior_script.c

@@ -195,7 +195,9 @@ static s32 bhv_cmd_spawn_child(void) {
     const BehaviorScript *behavior = BHV_CMD_GET_VPTR(2);
 
     struct Object *child = spawn_object_at_origin(gCurrentObject, 0, model, behavior);
+    if (child != NULL) {
         obj_copy_pos_and_angle(child, gCurrentObject);
+    }
 
     gCurBhvCommand += 3;
     return BHV_PROC_CONTINUE;
@@ -208,9 +210,11 @@ static s32 bhv_cmd_spawn_obj(void) {
     const BehaviorScript *behavior = BHV_CMD_GET_VPTR(2);
 
     struct Object *object = spawn_object_at_origin(gCurrentObject, 0, model, behavior);
+    if (object != NULL) {
         obj_copy_pos_and_angle(object, gCurrentObject);
         // TODO: Does this cmd need renaming? This line is the only difference between this and the above func.
         gCurrentObject->prevObj = object;
+    }
 
     gCurBhvCommand += 3;
     return BHV_PROC_CONTINUE;
@@ -224,8 +228,10 @@ static s32 bhv_cmd_spawn_child_with_param(void) {
     const BehaviorScript *behavior = BHV_CMD_GET_VPTR(2);
 
     struct Object *child = spawn_object_at_origin(gCurrentObject, 0, modelID, behavior);
+    if (child != NULL) {
         obj_copy_pos_and_angle(child, gCurrentObject);
         child->oBehParams2ndByte = bhvParam;
+    }
 
     gCurBhvCommand += 3;
     return BHV_PROC_CONTINUE;

src/game/behaviors/beta_trampoline.inc.c

@@ -60,11 +60,15 @@ void bhv_beta_trampoline_top_loop(void) {
         struct Object *trampolinePart;
 
         trampolinePart = spawn_object(o, MODEL_TRAMPOLINE_CENTER, bhvBetaTrampolineSpring);
+        if (trampolinePart != NULL) {
             trampolinePart->oPosY -= 75.0f;
+        }
 
         trampolinePart = spawn_object(o, MODEL_TRAMPOLINE_BASE, bhvStaticObject);
+        if (trampolinePart != NULL) {
             trampolinePart->oPosY -= 150.0f;
         }
+    }
 
     // Update o->oBetaTrampolineMarioOnTrampoline, and reset
     // the trampoline's position if Mario's not on it.

src/game/behaviors/blue_fish.inc.c

@@ -104,6 +104,7 @@ void bhv_tank_fish_group_loop(void) {
                 // spawns fifteen fish and moves them within 200.0f
                 for (i = 0; i < 15; i++) {
                     fish = spawn_object_relative(0, 300, 0, -200, o, MODEL_FISH, bhvBlueFish);
+                    if (fish == NULL) { continue; }
                     obj_translate_xyz_random(fish, 200.0f);
                 }
                 

src/game/behaviors/bobomb.inc.c

@@ -36,7 +36,9 @@ void bobomb_act_explode(void) {
         cur_obj_scale(1.0 + (f32) o->oTimer / 5.0);
     else {
         explosion = spawn_object(o, MODEL_EXPLOSION, bhvExplosion);
+        if (explosion != NULL) {
             explosion->oGraphYOffset += 100.0f;
+        }
 
         bobomb_spawn_coin();
         create_respawner(MODEL_BLACK_BOBOMB, bhvBobomb, 3000);

src/game/behaviors/boo.inc.c

@@ -134,7 +134,7 @@ void bhv_courtyard_boo_triplet_init(void) {
                 MODEL_BOO,
                 bhvGhostHuntBoo
             );
-
+            if (boo == NULL) { continue; }
             boo->oMoveAngleYaw = random_u16();
         }
     }
@@ -841,8 +841,10 @@ void bhv_boo_with_cage_init(void) {
         obj_mark_for_deletion(o);
     } else {
         cage = spawn_object(o, MODEL_HAUNTED_CAGE, bhvBooCage);
+        if (cage != NULL) {
             cage->oBehParams = o->oBehParams;
         }
+    }
 }
 
 static void (*sBooWithCageActions[])(void) = {
@@ -881,11 +883,12 @@ void bhv_merry_go_round_boo_manager_loop(void) {
                     if (o->oMerryGoRoundBooManagerNumBoosSpawned < 5) {
                         if (o->oMerryGoRoundBooManagerNumBoosSpawned - o->oMerryGoRoundBooManagerNumBoosKilled < 2) {
                             struct Object* boo = spawn_object(o, MODEL_BOO, bhvMerryGoRoundBoo);
-
+                            if (boo != NULL) {
                                 network_set_sync_id(boo);
                                 struct Object* spawn_objects[] = { boo };
                                 u32 models[] = { MODEL_BOO };
                                 network_send_spawn_objects(spawn_objects, models, 1);
+                            }
 
                             o->oMerryGoRoundBooManagerNumBoosSpawned++;
                             network_send_object(o);
@@ -898,12 +901,14 @@ void bhv_merry_go_round_boo_manager_loop(void) {
                 if (o->oMerryGoRoundBooManagerNumBoosKilled > 4) {
                     if (player == gMarioObjects[0]) {
                         struct Object* boo = spawn_object(o, MODEL_BOO, bhvMerryGoRoundBigBoo);
+                        if (boo != NULL) {
                             obj_copy_behavior_params(boo, o);
 
                             network_set_sync_id(boo);
                             struct Object* spawn_objects[] = { boo };
                             u32 models[] = { MODEL_BOO };
                             network_send_spawn_objects(spawn_objects, models, 1);
+                        }
 
                         o->oAction = 2;
                         network_send_object(o);

src/game/behaviors/boulder.inc.c

@@ -67,15 +67,18 @@ void bhv_big_boulder_generator_loop(void) {
         if (is_point_within_radius_of_mario(o->oPosX, o->oPosY, o->oPosZ, 6000)) {
             if ((o->oTimer & 0x3F) == 0) {
                 sp1C = spawn_object(o, MODEL_HMC_ROLLING_ROCK, bhvBigBoulder);
+                if (sp1C != NULL) {
                     sp1C->oMoveAngleYaw = random_float() * 4096.0f;
 
                     struct Object* spawn_objects[] = { sp1C };
                     u32 models[] = { MODEL_HMC_ROLLING_ROCK };
                     network_send_spawn_objects(spawn_objects, models, 1);
                 }
+            }
         } else {
             if ((o->oTimer & 0x7F) == 0) {
                 sp1C = spawn_object(o, MODEL_HMC_ROLLING_ROCK, bhvBigBoulder);
+                if (sp1C != NULL) {
                     sp1C->oMoveAngleYaw = random_float() * 4096.0f;
 
                     struct Object* spawn_objects[] = { sp1C };
@@ -84,4 +87,5 @@ void bhv_big_boulder_generator_loop(void) {
                 }
             }
         }
+    }
 }

src/game/behaviors/bouncing_fireball.inc.c

@@ -55,6 +55,7 @@ void bhv_bouncing_fireball_loop(void) {
             if (network_owns_object(o)) {
                 sp2C = spawn_object(o, MODEL_RED_FLAME, bhvBouncingFireballFlame);
                 sp28 = (10 - o->oTimer) * 0.5;
+                if (sp2C != NULL) {
                     obj_scale_xyz(sp2C, sp28, sp28, sp28);
                     if (o->oTimer == 0)
                         obj_become_tangible(sp2C);
@@ -62,6 +63,7 @@ void bhv_bouncing_fireball_loop(void) {
                     struct Object* spawn_objects[] = { sp2C };
                     u32 models[] = { MODEL_RED_FLAME };
                     network_send_spawn_objects(spawn_objects, models, 1);
+                }
 
                 network_send_object(o);
             }

src/game/behaviors/bowling_ball.inc.c

@@ -204,6 +204,7 @@ void bhv_generic_bowling_ball_spawner_loop(void) {
                 }
                 // this branch only runs for one player at a time
                 bowlingBall = spawn_object(o, MODEL_BOWLING_BALL, bhvBowlingBall);
+                if (bowlingBall != NULL) {
                     bowlingBall->oBehParams2ndByte = o->oBehParams2ndByte;
 
                     // send out the bowlingBall object
@@ -213,6 +214,7 @@ void bhv_generic_bowling_ball_spawner_loop(void) {
                 }
             }
         }
+    }
 }
 
 void bhv_thi_bowling_ball_spawner_loop(void) {
@@ -235,6 +237,7 @@ void bhv_thi_bowling_ball_spawner_loop(void) {
             if (network_owns_object(o) && (s32)(random_float() * 1.5) == 0) {
                 // this branch only runs for one player at a time
                 bowlingBall = spawn_object(o, MODEL_BOWLING_BALL, bhvBowlingBall);
+                if (bowlingBall != NULL) {
                     bowlingBall->oBehParams2ndByte = o->oBehParams2ndByte;
 
                     // send out the bowlingBall object
@@ -244,6 +247,7 @@ void bhv_thi_bowling_ball_spawner_loop(void) {
                 }
             }
         }
+    }
 }
 
 void bhv_bob_pit_bowling_ball_init(void) {

src/game/behaviors/bowser.inc.c

@@ -87,7 +87,7 @@ void bhv_bowser_flame_spawn_loop(void) {
                 struct MarioState* marioState = nearest_mario_state_to_object(o);
                 if (marioState->playerIndex == 0) {
                     struct Object* flame = spawn_object(o, MODEL_RED_FLAME, bhvFlameMovingForwardGrowing);
-
+                    if (flame != NULL) {
                         struct Object* spawn_objects[] = { flame };
                         u32 models[] = { MODEL_RED_FLAME };
                         network_send_spawn_objects(spawn_objects, models, 1);
@@ -95,6 +95,7 @@ void bhv_bowser_flame_spawn_loop(void) {
                 }
             }
         }
+    }
 }
 
 void bhv_bowser_body_anchor_init(void) {
@@ -135,12 +136,14 @@ s32 bowser_spawn_shockwave(void) {
         struct MarioState* marioState = nearest_mario_state_to_object(o);
         if (marioState->playerIndex == 0) {
             wave = spawn_object(o, MODEL_BOWSER_WAVE, bhvBowserShockWave);
+            if (wave != NULL) {
                 wave->oPosY = o->oFloorHeight;
 
                 struct Object* spawn_objects[] = { wave };
                 u32 models[] = { MODEL_BOWSER_WAVE };
                 network_send_spawn_objects(spawn_objects, models, 1);
             }
+        }
         return 1;
     }
     return 0;
@@ -847,7 +850,7 @@ void bowser_spawn_grand_star_key(void) {
         reward = (prevReward != NULL) ? prevReward : spawn_object(o, MODEL_STAR, bhvGrandStar);
         gSecondCameraFocus = reward;
 
-        if (prevReward == NULL) {
+        if (prevReward == NULL && reward != NULL) {
             // set the home position
             reward->oHomeX = reward->oPosX;
             reward->oHomeY = reward->oPosY;
@@ -862,7 +865,7 @@ void bowser_spawn_grand_star_key(void) {
         gSecondCameraFocus = reward;
         cur_obj_play_sound_2(SOUND_GENERAL2_BOWSER_KEY);
 
-        if (prevReward == NULL) {
+        if (prevReward == NULL && reward != NULL) {
             // set the home position
             reward->oHomeX = reward->oPosX;
             reward->oHomeY = reward->oPosY;
@@ -1801,9 +1804,11 @@ void bhv_blue_flames_group_loop(void) {
         if ((o->oTimer & 1) == 0) {
             for (i = 0; i < 3; i++) {
                 flame = spawn_object(o, MODEL_BLUE_FLAME, bhvFlameBouncing);
+                if (flame != NULL) {
                     flame->oMoveAngleYaw += i * 0x5555;
                     flame->header.gfx.scale[0] = o->oBlueFlameUnkF8;
                 }
+            }
             o->oBlueFlameUnkF8 -= 0.5;
         }
     } else

src/game/behaviors/bowser_bomb.inc.c

@@ -55,10 +55,12 @@ void bhv_bowser_bomb_explosion_loop(void) {
     cur_obj_scale((f32) o->oTimer / 14.0f * 9.0 + 1.0);
     if ((o->oTimer % 4 == 0) && (o->oTimer < 20)) {
         mineSmoke = spawn_object(o, MODEL_BOWSER_SMOKE, bhvBowserBombSmoke);
+        if (mineSmoke != NULL) {
             mineSmoke->oPosX += random_float() * 600.0f - 400.0f;
             mineSmoke->oPosZ += random_float() * 600.0f - 400.0f;
             mineSmoke->oVelY += random_float() * 10.0f;
         }
+    }
 
     if (o->oTimer % 2 == 0)
         o->oAnimState++;

src/game/behaviors/bowser_puzzle_piece.inc.c

@@ -88,6 +88,7 @@ void bhv_lll_bowser_puzzle_spawn_piece(s16 model, const BehaviorScript *behavior
                                        f32 xOffset, f32 zOffset,
                                        s8 initialAction, s8 *actionList) {
     struct Object *puzzlePiece = spawn_object(o, model, behavior);
+    if (puzzlePiece == NULL) { return; }
     puzzlePiece->oPosX += xOffset;
     puzzlePiece->oPosY += 50.0f;
     puzzlePiece->oPosZ += zOffset;

src/game/behaviors/break_particles.inc.c

@@ -5,6 +5,7 @@ void spawn_triangle_break_particles(s16 numTris, s16 triModel, f32 triSize, s16
     s32 i;
     for (i = 0; i < numTris; i++) {
         triangle = spawn_object(o, triModel, bhvBreakBoxTriangle);
+        if (triangle == NULL) { continue; }
         triangle->oAnimState = triAnimState;
         triangle->oPosY += 100.0f;
         triangle->oMoveAngleYaw = random_u16();

src/game/behaviors/breakable_box_small.inc.c

@@ -29,6 +29,7 @@ void bhv_breakable_box_small_init(void) {
 
 void small_breakable_box_spawn_dust(void) {
     struct Object *sp24 = spawn_object(o, MODEL_SMOKE, bhvSmoke);
+    if (sp24 == NULL) { return; }
     sp24->oPosX += (s32)(random_float() * 80.0f) - 40;
     sp24->oPosZ += (s32)(random_float() * 80.0f) - 40;
 }

src/game/behaviors/bubble.inc.c

@@ -14,10 +14,12 @@ void bhv_object_bubble_loop(void) {
     if (bubbleY > waterY) {
         if (gFreeObjectList.next) {
             bubbleSplash = spawn_object_at_origin(o, 0, MODEL_SMALL_WATER_SPLASH, bhvBubbleSplash);
+            if (bubbleSplash != NULL) {
                 bubbleSplash->oPosX = o->oPosX;
                 bubbleSplash->oPosY = bubbleY + 5.0f;
                 bubbleSplash->oPosZ = o->oPosZ;
             }
+        }
 
         o->activeFlags = ACTIVE_FLAG_DEACTIVATED;
     }

src/game/behaviors/bully.inc.c

@@ -222,6 +222,7 @@ void bully_spawn_coin(void) {
 #else
     cur_obj_play_sound_2(SOUND_GENERAL_COIN_SPURT_2);
 #endif
+    if (coin == NULL) { return; }
     coin->oForwardVel = 10.0f;
     coin->oVelY = 100.0f;
     coin->oPosY = o->oPosY + 310.0f;
@@ -306,8 +307,10 @@ void bhv_bully_loop(void) {
 void big_bully_spawn_minion(s32 arg0, s32 arg1, s32 arg2, s16 arg3) {
     struct Object *bully =
         spawn_object_abs_with_rot(o, 0, MODEL_BULLY, bhvSmallBully, arg0, arg1, arg2, 0, arg3, 00);
+    if (bully != NULL) {
         bully->oBullySubtype = BULLY_STYPE_MINION;
         bully->oBehParams2ndByte = BULLY_BP_SIZE_SMALL;
+    }
 }
 
 void bhv_big_bully_with_minions_init(void) {

src/game/behaviors/cannon_door.inc.c

@@ -8,11 +8,13 @@ static void bhv_cannon_closed_init_non_spawn(void) {
 
 void bhv_cannon_closed_init(void) {
     struct Object* cannon = spawn_object(o, MODEL_CANNON_BASE, bhvCannon);
+    if (cannon != NULL) {
         cannon->parentObj = cannon;
         cannon->oBehParams2ndByte = o->oBehParams2ndByte;
         cannon->oPosX = o->oHomeX;
         cannon->oPosY = o->oHomeY;
         cannon->oPosZ = o->oHomeZ;
+    }
     bhv_cannon_closed_init_non_spawn();
 }
 

src/game/behaviors/castle_floor_trap.inc.c

@@ -15,6 +15,7 @@ void bhv_castle_floor_trap_init(void) {
     struct Object *sp2C;
     sp2C = spawn_object_relative(0, -358, 0, 0, o, MODEL_CASTLE_BOWSER_TRAP, bhvFloorTrapInCastle);
     sp2C = spawn_object_relative(0, 358, 0, 0, o, MODEL_CASTLE_BOWSER_TRAP, bhvFloorTrapInCastle);
+    if (sp2C == NULL) { return; }
     sp2C->oMoveAngleYaw += 0x8000;
 }
 

src/game/behaviors/checkerboard_platform.inc.c

@@ -22,6 +22,7 @@ void bhv_checkerboard_elevator_group_init(void) {
 
         sp2C = spawn_object_relative(i, 0, i * sp3C, sp38, o, MODEL_CHECKERBOARD_PLATFORM,
                                      bhvCheckerboardPlatformSub);
+        if (sp2C == NULL) { continue; }
         sp2C->oCheckerBoardPlatformUnk1AC = D_8032F754[sp34].unk2;
         sp2C->oTimer = 0;
         vec3f_copy_2(sp2C->header.gfx.scale, D_8032F754[sp34].unk1);

src/game/behaviors/coin.inc.c

@@ -172,7 +172,7 @@ void spawn_coin_in_formation(s32 sp50, s32 sp54) {
     if (sp3C) {
         sp4C = spawn_object_relative(sp50, sp40[0], sp40[1], sp40[2], o, MODEL_YELLOW_COIN,
                                      bhvCoinFormationSpawn);
-        sp4C->oCoinUnkF8 = sp38;
+        if (sp4C != NULL) { sp4C->oCoinUnkF8 = sp38; }
     }
 }
 
@@ -260,6 +260,7 @@ void bhv_golden_coin_sparkles_loop(void) {
     UNUSED s32 unused;
     f32 sp24 = 30.0f;
     sp2C = spawn_object(o, MODEL_SPARKLES, bhvCoinSparkles);
+    if (sp2C == NULL) { return; }
     sp2C->oPosX += random_float() * sp24 - sp24 / 2;
     sp2C->oPosZ += random_float() * sp24 - sp24 / 2;
 }

src/game/behaviors/collide_particles.inc.c

@@ -28,6 +28,7 @@ void bhv_punch_tiny_triangle_init(void) {
     struct Object *triangle;
     for (i = 0; i < 6; i++) {
         triangle = spawn_object(o, MODEL_DIRT_ANIMATION, bhvPunchTinyTriangle);
+        if (triangle == NULL) { continue; }
         triangle->oMoveAngleYaw = o->parentObj->oMoveAngleYaw + D_8032F2CC[2 * i] + 0x8000;
         triangle->oVelY = sins(D_8032F2CC[2 * i + 1]) * 25.0f;
         triangle->oForwardVel = coss(D_8032F2CC[2 * i + 1]) * 25.0f;
@@ -54,6 +55,7 @@ void bhv_tiny_star_particles_init(void) {
     struct Object *particle;
     for (i = 0; i < 7; i++) {
         particle = spawn_object(o, MODEL_CARTOON_STAR, bhvWallTinyStarParticle);
+        if (particle == NULL) { continue; }
         particle->oMoveAngleYaw = o->parentObj->oMoveAngleYaw + D_8032F2E4[2 * i] + 0x8000;
         particle->oVelY = sins(D_8032F2E4[2 * i + 1]) * 25.0f;
         particle->oForwardVel = coss(D_8032F2E4[2 * i + 1]) * 25.0f;
@@ -79,6 +81,7 @@ void bhv_pound_tiny_star_particle_init(void) {
     struct Object *particle;
     for (sp24 = 0; sp24 < sp20; sp24++) {
         particle = spawn_object(o, MODEL_CARTOON_STAR, bhvPoundTinyStarParticle);
+        if (particle == NULL) { continue; }
         particle->oMoveAngleYaw = (sp24 * 65536) / sp20;
     }
 }

src/game/behaviors/controllable_platform.inc.c

@@ -55,19 +55,19 @@ void bhv_controllable_platform_sub_loop(void) {
 void bhv_controllable_platform_init(void) {
     controllablePlatformSubs[0] = spawn_object_rel_with_rot(o, MODEL_HMC_METAL_ARROW_PLATFORM, bhvControllablePlatformSub, 0,
                                                             51, 204, 0, 0, 0);
-    controllablePlatformSubs[0]->oBehParams2ndByte = 1;
+    if (controllablePlatformSubs[0] != NULL) { controllablePlatformSubs[0]->oBehParams2ndByte = 1; }
 
     controllablePlatformSubs[1] = spawn_object_rel_with_rot(o, MODEL_HMC_METAL_ARROW_PLATFORM, bhvControllablePlatformSub, 0,
                                                             51, -204, 0, -0x8000, 0);
-    controllablePlatformSubs[1]->oBehParams2ndByte = 2;
+    if (controllablePlatformSubs[1] != NULL) { controllablePlatformSubs[1]->oBehParams2ndByte = 2; }
 
     controllablePlatformSubs[2] = spawn_object_rel_with_rot(o, MODEL_HMC_METAL_ARROW_PLATFORM, bhvControllablePlatformSub, 204,
                                                             51, 0, 0, 0x4000, 0);
-    controllablePlatformSubs[2]->oBehParams2ndByte = 3;
+    if (controllablePlatformSubs[2] != NULL) { controllablePlatformSubs[2]->oBehParams2ndByte = 3; }
 
     controllablePlatformSubs[3] = spawn_object_rel_with_rot(o, MODEL_HMC_METAL_ARROW_PLATFORM, bhvControllablePlatformSub,
                                                             -204, 51, 0, 0, -0x4000, 0);
-    controllablePlatformSubs[3]->oBehParams2ndByte = 4;
+    if (controllablePlatformSubs[3] != NULL) { controllablePlatformSubs[3]->oBehParams2ndByte = 4; }
 
     D_80331694 = 0;
 
@@ -94,6 +94,7 @@ void bhv_controllable_platform_init(void) {
     network_init_object_field(o, &o->oFaceAngleRoll);
     network_init_object_field(o, &o->header.gfx.node.flags);
     for (int i = 0; i < 4; i++) {
+        if (controllablePlatformSubs[i] == NULL) { continue; }
         network_init_object_field(o, &controllablePlatformSubs[i]->oAction);
         network_init_object_field(o, &controllablePlatformSubs[i]->oPrevAction);
         network_init_object_field(o, &controllablePlatformSubs[i]->oTimer);

src/game/behaviors/corkbox.inc.c

@@ -44,9 +44,11 @@ void bhv_respawner_loop(void) {
     if (!is_point_within_radius_of_mario(o->oPosX, o->oPosY, o->oPosZ, o->oRespawnerMinSpawnDist)) {
         u32 syncID = o->oSyncID;
         spawnedObject = spawn_object(o, o->oRespawnerModelToRespawn, o->oRespawnerBehaviorToRespawn);
+        if (spawnedObject != NULL) {
             spawnedObject->oBehParams = o->oBehParams;
             spawnedObject->oSyncID = syncID;
             network_override_object(syncID, spawnedObject);
+        }
         o->oSyncID = 0;
 
         o->activeFlags = ACTIVE_FLAG_DEACTIVATED;
@@ -57,14 +59,18 @@ void create_respawner(s32 model, const BehaviorScript *behToSpawn, s32 minSpawnD
     struct Object *respawner = spawn_object_abs_with_rot(o, 0, MODEL_NONE, bhvRespawner, o->oHomeX,
                                                          o->oHomeY, o->oHomeZ, 0, 0, 0);
     u8 syncID = o->oSyncID;
+    if (respawner != NULL) {
         respawner->oBehParams = o->oBehParams;
         respawner->oRespawnerModelToRespawn = model;
         respawner->oRespawnerMinSpawnDist = minSpawnDist;
         respawner->oRespawnerBehaviorToRespawn = behToSpawn;
         respawner->oSyncID = syncID;
+    }
 
     if (syncID < RESERVED_IDS_SYNC_OBJECT_OFFSET) {
+        if (respawner != NULL) {
             network_override_object(syncID, respawner);
+        }
         o->oSyncID = 0;
         o->oFlags |= OBJ_FLAG_PERSISTENT_RESPAWN; // pretty sure this is required
     }

src/game/behaviors/drawbridge.inc.c

@@ -4,18 +4,23 @@ void bhv_lll_drawbridge_spawner_init(void) {
     struct Object *drawbridge[2];
 
     drawbridge[0] = spawn_object(o, MODEL_LLL_DRAWBRIDGE_PART, bhvLllDrawbridge);
+    if (drawbridge[0] != NULL) {
         drawbridge[0]->oMoveAngleYaw = o->oMoveAngleYaw;
         drawbridge[0]->oPosX += coss(o->oMoveAngleYaw) * 640.0f;
         drawbridge[0]->oPosZ += sins(o->oMoveAngleYaw) * 640.0f;
+    }
 
     drawbridge[1] = spawn_object(o, MODEL_LLL_DRAWBRIDGE_PART, bhvLllDrawbridge);
+    if (drawbridge[1] != NULL) {
         drawbridge[1]->oMoveAngleYaw = o->oMoveAngleYaw + 0x8000;
         drawbridge[1]->oPosX += coss(o->oMoveAngleYaw) * -640.0f;
         drawbridge[1]->oPosZ += sins(o->oMoveAngleYaw) * -640.0f;
+    }
 
     if (!network_sync_object_initialized(o)) {
         network_init_object(o, 3000.0f);
         for (int i = 0; i < 2; i++) {
+            if (drawbridge[i] == NULL) { continue; }
             network_init_object_field(o, &drawbridge[i]->oFaceAngleRoll);
             network_init_object_field(o, &drawbridge[i]->oAction);
             network_init_object_field(o, &drawbridge[i]->oPrevAction);

src/game/behaviors/exclamation_box.inc.c

@@ -135,17 +135,19 @@ void exclamation_box_spawn_contents(struct Struct802C0DF0 *a0, u8 a1) {
             s32 model = exclamation_replace_model(m, a0->model);
 
             sp1C = spawn_object(o, model, a0->behavior);
+            if (sp1C != NULL) {
                 sp1C->oVelY = 20.0f;
                 sp1C->oForwardVel = 3.0f;
                 sp1C->oMoveAngleYaw = player->oMoveAngleYaw;
                 sp1C->globalPlayerIndex = player->globalPlayerIndex;
+            }
             o->oBehParams |= a0->unk2 << 24;
             if (a0->model == 122)
                 o->oFlags |= 0x4000;
 
             // send non-star spawn events
             // stars cant be sent here to due jankiness in oBehParams
-            if (a0->behavior != bhvSpawnedStar) {
+            if (a0->behavior != bhvSpawnedStar && sp1C != NULL) {
                 // hack: if any other sync objects get spawned here we have to check for them
                 if (a0->behavior == bhvKoopaShell) {
                     network_set_sync_id(sp1C);

src/game/behaviors/fish.inc.c

@@ -43,6 +43,7 @@ void fish_act_spawn(void) {
      */
     for (i = 0; i < schoolQuantity; i++) {
         fishObject = spawn_object(o, model, bhvFish);
+        if (fishObject == NULL) { continue; }
         fishObject->oBehParams2ndByte = o->oBehParams2ndByte;
         obj_init_animation_with_sound(fishObject, fishAnimation, 0);
         obj_translate_xyz_random(fishObject, 700.0f);

src/game/behaviors/flamethrower.inc.c

@@ -72,7 +72,7 @@ void bhv_flamethrower_loop(void) {
             o->oAction++;
         o->oFlameThowerUnk110 = sp34;
         flame = spawn_object_relative(o->oBehParams2ndByte, 0, 0, 0, o, model, bhvFlamethrowerFlame);
-        flame->oForwardVel = flameVel;
+        if (flame != NULL) { flame->oForwardVel = flameVel; }
         cur_obj_play_sound_1(SOUND_AIR_BLOW_FIRE);
     } else if (o->oTimer > 60)
         o->oAction = 0;

src/game/behaviors/grill_door.inc.c

@@ -23,11 +23,15 @@ void bhv_openable_grill_loop(void) {
             grillIdx = o->oBehParams2ndByte;
             grillObj = spawn_object_relative(-1, gOpenableGrills[grillIdx].halfWidth, 0, 0, o, gOpenableGrills[grillIdx].modelID,
                                              bhvOpenableCageDoor);
+            if (grillObj != NULL) {
                 grillObj->oMoveAngleYaw += 0x8000;
                 obj_set_collision_data(grillObj, gOpenableGrills[grillIdx].collision);
+            }
             grillObj = spawn_object_relative(1, -gOpenableGrills[grillIdx].halfWidth, 0, 0, o, gOpenableGrills[grillIdx].modelID,
                                              bhvOpenableCageDoor);
+            if (grillObj != NULL) {
                 obj_set_collision_data(grillObj, gOpenableGrills[grillIdx].collision);
+            }
             o->oAction++;
             break;
         case 1:

src/game/behaviors/ground_particles.inc.c

@@ -16,6 +16,7 @@ void bhv_ground_sand_init(void) {
 
 void spawn_smoke_with_velocity(void) {
     struct Object *smoke = spawn_object_with_scale(o, MODEL_SMOKE, bhvWhitePuffSmoke2, 1.0f);
+    if (smoke == NULL) { return; }
     smoke->oForwardVel = D_8032F3F4[0];
     smoke->oVelY = D_8032F3F4[1];
     smoke->oGravity = D_8032F3F4[2];

src/game/behaviors/hidden_star.inc.c

@@ -8,7 +8,7 @@ void bhv_hidden_star_init(void) {
     if (sp36 == 0) {
         sp30 =
             spawn_object_abs_with_rot(o, 0, MODEL_STAR, bhvStar, o->oPosX, o->oPosY, o->oPosZ, 0, 0, 0);
-        sp30->oBehParams = o->oBehParams;
+        if (sp30 != NULL) { sp30->oBehParams = o->oBehParams; }
         o->activeFlags = ACTIVE_FLAG_DEACTIVATED;
     }
 

src/game/behaviors/klepto.inc.c

@@ -426,11 +426,13 @@ void bhv_klepto_update(void) {
                 save_file_clear_flags(SAVE_FLAG_CAP_ON_KLEPTO);
 
                 struct Object* cap = spawn_object(o, capModel, bhvNormalCap);
+                if (cap != NULL) {
                     cap->globalPlayerIndex = o->globalPlayerIndex;
 
                     struct Object* spawn_objects[] = { cap };
                     u32 models[] = { capModel };
                     network_send_spawn_objects(spawn_objects, models, 1);
+                }
 
             } else if (o->oAnimState == KLEPTO_ANIM_STATE_HOLDING_STAR) {
                 spawn_default_star(-5550.0f, 300.0f, -930.0f);

src/game/behaviors/koopa.inc.c

@@ -350,12 +350,14 @@ void shelled_koopa_attack_handler(s32 attackType) {
         struct MarioState* marioState = nearest_mario_state_to_object(o);
         if (marioState->playerIndex == 0) {
             struct Object* shell = spawn_object(o, MODEL_KOOPA_SHELL, bhvKoopaShell);
+            if (shell != NULL) {
                 network_set_sync_id(shell);
 
                 struct Object* spawn_objects[] = { shell };
                 u32 models[] = { MODEL_KOOPA_SHELL };
                 network_send_spawn_objects(spawn_objects, models, 1);
             }
+        }
 
         //! Because bob-ombs/corkboxes come after koopa in processing order,
         //  they can interact with the koopa on the same frame that this

src/game/behaviors/koopa_shell.inc.c

@@ -18,9 +18,11 @@ void koopa_shell_spawn_water_drop(void) {
     spawn_object(o, MODEL_WAVE_TRAIL, bhvObjectWaveTrail);
     if (gMarioStates[o->heldByPlayerIndex].forwardVel > 10.0f) {
         drop = spawn_object_with_scale(o, MODEL_WHITE_PARTICLE_SMALL, bhvWaterDroplet, 1.5f);
+        if (drop != NULL) {
             drop->oVelY = random_float() * 30.0f;
             obj_translate_xz_random(drop, 110.0f);
         }
+    }
 }
 
 void bhv_koopa_shell_flame_loop(void) {
@@ -48,6 +50,7 @@ void bhv_koopa_shell_flame_spawn(void) {
 
 void koopa_shell_spawn_sparkles(f32 a) {
     struct Object *sp1C = spawn_object(o, MODEL_NONE, bhvSparkleSpawn);
+    if (sp1C == NULL) { return; }
     sp1C->oPosY += a;
 }
 

src/game/behaviors/lll_floating_wood_piece.inc.c

@@ -22,6 +22,7 @@ void bhv_lll_floating_wood_bridge_loop(void) {
             for (i = 1; i < 4; i++) {
                 sp3C = spawn_object_relative(0, (i - 2) * 300, 0, 0, o, MODEL_LLL_WOOD_BRIDGE,
                                                 bhvLllWoodPiece);
+                if (sp3C == NULL) { continue; }
                 sp3C->oLllWoodPieceOscillationTimer = i * 4096;
             }
             o->oAction = 1;

src/game/behaviors/lll_hexagonal_ring.inc.c

@@ -4,12 +4,14 @@ void hexagonal_ring_spawn_flames(void) {
     struct Object *sp1C;
     f32 size;
     sp1C = spawn_object(o, MODEL_RED_FLAME, bhvVolcanoFlames);
+    if (sp1C != NULL) {
         sp1C->oPosY += 550.0f;
         sp1C->oMoveAngleYaw = random_u16() << 0x10 >> 0x10;
         sp1C->oForwardVel = random_float() * 40.0f + 20.0f;
         sp1C->oVelY = random_float() * 50.0f + 10.0f;
         size = random_float() * 6.0 + 3.0;
         obj_scale_xyz(sp1C, size, size, size);
+    }
     if (random_float() < 0.1)
         cur_obj_play_sound_2(SOUND_GENERAL_VOLCANO_EXPLOSION);
 }

src/game/behaviors/lll_rotating_hex_flame.inc.c

@@ -20,10 +20,12 @@ void fire_bar_spawn_flames(s16 a0) {
     sp20 = (o->oBehParams2ndByte == 0) ? 4 : 3;
     for (i = 0; i < sp20; i++) {
         sp2C = spawn_object(o, MODEL_RED_FLAME, bhvLllRotatingHexFlame);
+        if (sp2C != NULL) {
             sp2C->oLllRotatingHexFlameUnkF4 += sp1C;
             sp2C->oLllRotatingHexFlameUnkF8 = o->oPosY - 200.0f;
             sp2C->oLllRotatingHexFlameUnkFC += sp18;
             obj_scale_xyz(sp2C, 6.0f, 6.0f, 6.0f);
+        }
         sp1C += sins(a0) * 150.0f;
         sp18 += coss(a0) * 150.0f;
     }

src/game/behaviors/manta_ray.inc.c

@@ -27,7 +27,9 @@ static struct ObjectHitbox sMantaRayHitbox = {
 void bhv_manta_ray_init(void) {
     struct Object *sp1C;
     sp1C = spawn_object(o, MODEL_NONE, bhvMantaRayRingManager);
+    if (sp1C != NULL) {
         o->parentObj = sp1C;
+    }
     obj_set_hitbox(o, &sMantaRayHitbox);
     cur_obj_scale(2.5f);
 
@@ -37,7 +39,9 @@ void bhv_manta_ray_init(void) {
     network_init_object_field(o, &o->oMantaUnk1AC);
     network_init_object_field(o, &o->oMoveAnglePitch);
     network_init_object_field(o, &o->oMoveAngleRoll);
+    if (sp1C != NULL) {
         network_init_object_field(o, &sp1C->oWaterRingMgrNextRingIndex);
+    }
 }
 
 void manta_ray_move(void) {
@@ -78,20 +82,24 @@ void manta_ray_act_spawn_ring(void) {
 
     if (o->oTimer == 0 || o->oTimer == 50 || o->oTimer == 150 || o->oTimer == 200 || o->oTimer == 250) {
         sp18 = spawn_object(o, MODEL_WATER_RING, bhvMantaRayWaterRing);
+        if (sp18 != NULL) {
             sp18->oFaceAngleYaw = o->oMoveAngleYaw;
             sp18->oFaceAnglePitch = o->oMoveAnglePitch + 0x4000;
             sp18->oPosX = o->oPosX + 200.0f * sins(o->oMoveAngleYaw + 0x8000);
             sp18->oPosY = o->oPosY + 10.0f + 200.0f * sins(o->oMoveAnglePitch);
             sp18->oPosZ = o->oPosZ + 200.0f * coss(o->oMoveAngleYaw + 0x8000);
             sp18->oWaterRingIndex = sp1C->oWaterRingMgrNextRingIndex;
+        }
 
         sp1C->oWaterRingMgrNextRingIndex++;
         if (sp1C->oWaterRingMgrNextRingIndex > 0x2710)
             sp1C->oWaterRingMgrNextRingIndex = 0;
 
+        if (sp18 != NULL) {
             struct Object* spawn_objects[] = { sp18 };
             u32 models[] = { MODEL_WATER_RING };
             network_send_spawn_objects(spawn_objects, models, 1);
+        }
 
         network_send_object(o);
     }

src/game/behaviors/moneybag.inc.c

@@ -243,12 +243,14 @@ void bhv_moneybag_hidden_loop(void) {
 
                     network_send_object(o);
 
+                    if (moneyBag != NULL) {
                         network_set_sync_id(moneyBag);
                         struct Object* spawn_objects[] = { moneyBag };
                         u32 models[] = { MODEL_MONEYBAG };
                         network_send_spawn_objects(spawn_objects, models, 1);
                     }
                 }
+            }
             break;
 
         case FAKE_MONEYBAG_COIN_ACT_TRANSFORM:

src/game/behaviors/monty_mole.inc.c

@@ -449,11 +449,12 @@ void bhv_monty_mole_update(void) {
                 if (sMontyMoleKillStreak == 7 && network_owns_object(o)) {
                     play_puzzle_jingle();
                     struct Object* oneUp = spawn_object(o, MODEL_1UP, bhv1upWalking);
-
+                    if (oneUp != NULL) {
                         struct Object* spawn_objects[] = { oneUp };
                         u32 models[] = { MODEL_1UP };
                         network_send_spawn_objects(spawn_objects, models, 1);
                     }
+                }
             } else {
                 sMontyMoleKillStreak = 0;
             }

src/game/behaviors/mr_i.inc.c

@@ -40,6 +40,7 @@ void spawn_mr_i_particle(void) {
     struct Object *particle;
     f32 sp18 = o->header.gfx.scale[1];
     particle = spawn_object(o, MODEL_PURPLE_MARBLE, bhvMrIParticle);
+    if (particle != NULL) {
         particle->oPosY += 50.0f * sp18;
         particle->oPosX += sins(o->oMoveAngleYaw) * 90.0f * sp18;
         particle->oPosZ += coss(o->oMoveAngleYaw) * 90.0f * sp18;
@@ -47,6 +48,7 @@ void spawn_mr_i_particle(void) {
         struct Object* spawn_objects[] = { particle };
         u32 models[] = { MODEL_PURPLE_MARBLE };
         network_send_spawn_objects(spawn_objects, models, 1);
+    }
 
     cur_obj_play_sound_2(SOUND_OBJ_MRI_SHOOT);
 }

src/game/behaviors/mushroom_1up.inc.c

@@ -389,6 +389,7 @@ void bhv_1up_hidden_in_pole_spawner_loop(void) {
         }
 
         for (int i = 0; i < 3; i++) {
+            if (spawn_objects[i] == NULL) { continue; }
             spawn_objects[i]->parentObj = spawn_objects[i];
             network_set_sync_id(spawn_objects[i]);
         }

src/game/behaviors/orange_number.inc.c

@@ -14,7 +14,9 @@ void bhv_orange_number_loop(void) {
 
     if (o->oTimer == 35) {
         sp1C = spawn_object(o, MODEL_SPARKLES, bhvGoldenCoinSparkles);
+        if (sp1C != NULL) {
             sp1C->oPosY -= 30.f;
+        }
         o->activeFlags = ACTIVE_FLAG_DEACTIVATED;
     }
 }

src/game/behaviors/pole.inc.c

@@ -29,7 +29,9 @@ void bhv_giant_pole_loop(void) {
     struct Object *topBall;
     if (o->oTimer == 0) {
         topBall = spawn_object(o, MODEL_YELLOW_SPHERE, bhvYellowBall);
+        if (topBall != NULL) {
             topBall->oPosY += o->hitboxHeight + 50.0f;
         }
+    }
     bhv_pole_base_loop();
 }

src/game/behaviors/pyramid_elevator.inc.c

@@ -19,6 +19,7 @@ void bhv_pyramid_elevator_init(void) {
 
     for (i = 0; i < 10; i++) {
         ball = spawn_object(o, MODEL_TRAJECTORY_MARKER_BALL, bhvPyramidElevatorTrajectoryMarkerBall);
+        if (ball == NULL) { continue; }
         ball->oPosY = 4600 - i * 460;
     }
 

src/game/behaviors/pyramid_top.inc.c

@@ -53,11 +53,13 @@ void bhv_pyramid_top_spinning(void) {
     // with a random velocity and angle.
     if (o->oTimer < 90) {
         pyramidFragment = spawn_object(o, MODEL_DIRT_ANIMATION, bhvPyramidTopFragment);
+        if (pyramidFragment != NULL) {
             pyramidFragment->oForwardVel = random_float() * 10.0f + 20.0f;
             pyramidFragment->oMoveAngleYaw = random_u16();
             pyramidFragment->oPyramidTopFragmentsScale = 0.8f;
             pyramidFragment->oGravity = random_float() + 2.0f;
         }
+    }
 
     // After enough time, transition to the exploding state.
     if (o->oTimer == 150) {
@@ -79,12 +81,14 @@ void bhv_pyramid_top_explode(void) {
         pyramidFragment = spawn_object(
             o, MODEL_DIRT_ANIMATION, bhvPyramidTopFragment
         );
+        if (pyramidFragment != NULL) {
             pyramidFragment->oForwardVel = random_float() * 50 + 80;
             pyramidFragment->oVelY = random_float() * 80 + 20;
             pyramidFragment->oMoveAngleYaw = random_u16();
             pyramidFragment->oPyramidTopFragmentsScale = 3;
             pyramidFragment->oGravity = random_float() * 2 + 5;
         }
+    }
 
     // Deactivate the pyramid top.
     o->activeFlags = ACTIVE_FLAG_DEACTIVATED;

src/game/behaviors/scuttlebug.inc.c

@@ -152,6 +152,7 @@ void bhv_scuttlebug_spawn_loop(void) {
         if (o->oTimer > 30 && 500.0f < distanceToPlayer && distanceToPlayer < 1500.0f) {
             cur_obj_play_sound_2(SOUND_OBJ2_SCUTTLEBUG_ALERT);
             scuttlebug = spawn_object(o, MODEL_SCUTTLEBUG, bhvScuttlebug);
+            if (scuttlebug != NULL) {
                 scuttlebug->oScuttlebugUnkF4 = o->oScuttlebugSpawnerUnkF4;
                 scuttlebug->oForwardVel = 30.0f;
                 scuttlebug->oVelY = 80.0f;
@@ -160,6 +161,7 @@ void bhv_scuttlebug_spawn_loop(void) {
                 struct Object* spawn_objects[] = { scuttlebug };
                 u32 models[] = { MODEL_SCUTTLEBUG };
                 network_send_spawn_objects(spawn_objects, models, 1);
+            }
 
             o->oAction++;
             o->oScuttlebugUnkF4 = 1;

src/game/behaviors/seaweed.inc.c

@@ -8,15 +8,18 @@ void bhv_seaweed_bundle_init(void) {
     struct Object *seaweed;
 
     seaweed = spawn_object(o, MODEL_SEAWEED, bhvSeaweed);
+    if (seaweed != NULL) {
         seaweed->oFaceAngleYaw = 14523;
         seaweed->oFaceAnglePitch = 5500;
         seaweed->oFaceAngleRoll = 9600;
         seaweed->header.gfx.scale[0] = 1.0;
         seaweed->header.gfx.scale[1] = 1.0;
         seaweed->header.gfx.scale[2] = 1.0;
+    }
     //! gfx.animFrame uninitialized
 
     seaweed = spawn_object(o, MODEL_SEAWEED, bhvSeaweed);
+    if (seaweed != NULL) {
         seaweed->oFaceAngleYaw = 41800;
         seaweed->oFaceAnglePitch = 6102;
         seaweed->oFaceAngleRoll = 0;
@@ -24,8 +27,10 @@ void bhv_seaweed_bundle_init(void) {
         seaweed->header.gfx.scale[1] = 0.9;
         seaweed->header.gfx.scale[2] = 0.8;
         seaweed->header.gfx.animInfo.animFrame = random_float() * 80.0f;
+    }
 
     seaweed = spawn_object(o, MODEL_SEAWEED, bhvSeaweed);
+    if (seaweed != NULL) {
         seaweed->oFaceAngleYaw = 40500;
         seaweed->oFaceAnglePitch = 8700;
         seaweed->oFaceAngleRoll = 4100;
@@ -33,8 +38,10 @@ void bhv_seaweed_bundle_init(void) {
         seaweed->header.gfx.scale[1] = 0.8;
         seaweed->header.gfx.scale[2] = 0.8;
         seaweed->header.gfx.animInfo.animFrame = random_float() * 80.0f;
+    }
 
     seaweed = spawn_object(o, MODEL_SEAWEED, bhvSeaweed);
+    if (seaweed != NULL) {
         seaweed->oFaceAngleYaw = 57236;
         seaweed->oFaceAnglePitch = 9500;
         seaweed->oFaceAngleRoll = 0;
@@ -42,4 +49,5 @@ void bhv_seaweed_bundle_init(void) {
         seaweed->header.gfx.scale[1] = 1.2;
         seaweed->header.gfx.scale[2] = 1.2;
         seaweed->header.gfx.animInfo.animFrame = random_float() * 80.0f;
+    }
 }

src/game/behaviors/snow_mound.inc.c

@@ -48,9 +48,11 @@ void bhv_snow_mound_spawn_loop(void) {
     if (o->oTimer == 64 || o->oTimer == 128 || o->oTimer == 192 || o->oTimer == 224 || o->oTimer == 256) {
         if (network_owns_object(o)) {
             sp1C = spawn_object(o, MODEL_SL_SNOW_TRIANGLE, bhvSlidingSnowMound);
+            if (sp1C != NULL) {
                 sp1C->oHomeX = o->oPosX;
                 sp1C->oHomeY = o->oPosY;
                 sp1C->oHomeZ = o->oPosZ;
+            }
             network_send_object(o);
         }
     }

src/game/behaviors/snufit.inc.c

@@ -114,9 +114,11 @@ void snufit_act_shoot(void) {
             o->oSnufitRecoil = -30;
             o->oTimer = 0;
 
+            if (bullet != NULL) {
                 struct Object* spawn_objects[] = { bullet };
                 u32 models[] = { MODEL_BOWLING_BALL };
                 network_send_spawn_objects(spawn_objects, models, 1);
+            }
         } else {
             cur_obj_play_sound_2(SOUND_OBJ_SNUFIT_SHOOT);
             o->oSnufitRecoil = -30;

src/game/behaviors/sparkle_spawn_star.inc.c

@@ -149,9 +149,11 @@ void bhv_spawn_star_no_level_exit(struct Object* object, u32 sp20, u8 networkSen
     }
 
     struct Object *sp1C = spawn_object(object, MODEL_STAR, bhvSpawnedStarNoLevelExit);
+    if (sp1C != NULL) {
         sp1C->oBehParams = sp20 << 24;
         sp1C->oInteractionSubtype = INT_SUBTYPE_NO_EXIT;
         obj_set_angle(sp1C, 0, 0, 0);
+    }
     if (networkSendEvent) {
         network_send_spawn_star_nle(object, sp20);
     }

src/game/behaviors/spawn_star.inc.c

@@ -117,6 +117,7 @@ void bhv_star_spawn_loop(void) {
 struct Object *spawn_star(struct Object *sp30, f32 sp34, f32 sp38, f32 sp3C) {
     sp30 = spawn_object_abs_with_rot(o, 0, MODEL_STAR, bhvStarSpawnCoordinates, o->oPosX, o->oPosY,
                                      o->oPosZ, 0, 0, 0);
+    if (sp30 == NULL) { return NULL; }
     sp30->oBehParams = o->oBehParams;
     sp30->oHomeX = sp34;
     sp30->oHomeY = sp38;
@@ -196,7 +197,7 @@ void bhv_hidden_red_coin_star_init(void) {
     if (sp36 == 0) {
         sp30 =
             spawn_object_abs_with_rot(o, 0, MODEL_STAR, bhvStar, o->oPosX, o->oPosY, o->oPosZ, 0, 0, 0);
-        sp30->oBehParams = o->oBehParams;
+        if (sp30 != NULL) { sp30->oBehParams = o->oBehParams; }
         o->activeFlags = ACTIVE_FLAG_DEACTIVATED;
     }
 

src/game/behaviors/square_platform_cycle.inc.c

@@ -16,6 +16,7 @@ void bhv_squarish_path_parent_init(void) {
         s16 action = (i == 0) ? 1 : 3;
         s16 offset = (i == 0) ? (-radius) : (radius);
         struct Object* square = spawn_object(o, MODEL_BITDW_SQUARE_PLATFORM, bhvSquarishPathMoving);
+        if (square == NULL) { continue; }
         square->oPosX = o->oPosX + offset;
         square->oPosY = o->oPosY;
         square->oPosZ = o->oPosZ + offset;

src/game/behaviors/tower_platform.inc.c

@@ -86,14 +86,17 @@ void spawn_and_init_wf_platforms(s16 a, const BehaviorScript *bhv) {
     s16 yaw;
     struct Object *platform = spawn_object(o, a, bhv);
     yaw = o->oPlatformSpawnerUnkF4 * o->oPlatformSpawnerUnkFC + o->oPlatformSpawnerUnkF8;
+    if (platform != NULL) {
         platform->oMoveAngleYaw = yaw;
         platform->oPosX += o->oPlatformSpawnerUnk100 * sins(yaw);
         platform->oPosY += 100 * o->oPlatformSpawnerUnkF4;
         platform->oPosZ += o->oPlatformSpawnerUnk100 * coss(yaw);
         platform->oPlatformUnk110 = o->oPlatformSpawnerUnk104;
         platform->oPlatformUnk10C = o->oPlatformSpawnerUnk108;
+    }
     o->oPlatformSpawnerUnkF4++;
 
+    if (platform != NULL) {
         if (bhv == bhvWfSolidTowerPlatform || bhv == bhvWfSlidingTowerPlatform) {
             u32 loopTime = 1 + (platform->oPlatformUnk110 / platform->oPlatformUnk10C);
             loopTime *= 2;
@@ -103,6 +106,7 @@ void spawn_and_init_wf_platforms(s16 a, const BehaviorScript *bhv) {
             platform->areaTimerDuration = loopTime;
             platform->areaTimerRunOnceCallback = load_object_collision_model;
         }
+    }
 }
 
 void spawn_wf_platform_group(void) {

src/game/behaviors/treasure_chest.inc.c

@@ -123,7 +123,7 @@ struct Object* spawn_treasure_chest(s8 sp3B, s32 sp3C, s32 sp40, s32 sp44, s16 s
     struct Object* sp34;
     sp34 = spawn_object_abs_with_rot(o, 0, MODEL_TREASURE_CHEST_BASE, bhvTreasureChestBottom, sp3C,
         sp40, sp44, 0, sp4A, 0);
-    sp34->oBehParams2ndByte = sp3B;
+    if (sp34 != NULL) { sp34->oBehParams2ndByte = sp3B; }
     return sp34;
 }
 

src/game/behaviors/tree_particles.inc.c

@@ -46,15 +46,18 @@ void bhv_snow_leaf_particle_spawn_init(void) {
     if (isSnow) {
         if (random_float() < 0.5) {
             obj = spawn_object(o, MODEL_WHITE_PARTICLE_DL, bhvTreeSnow);
+            if (obj != NULL) {
                 scale = random_float();
                 obj_scale_xyz(obj, scale, scale, scale);
                 obj->oMoveAngleYaw = random_u16();
                 obj->oForwardVel = random_float() * 5.0f;
                 obj->oVelY = random_float() * 15.0f;
             }
+        }
     } else {
         if (random_float() < 0.3) {
             obj = spawn_object(o, MODEL_LEAVES, bhvTreeLeaf);
+            if (obj != NULL) {
                 scale = random_float() * 3.0f;
                 obj_scale_xyz(obj, scale, scale, scale);
                 obj->oMoveAngleYaw = random_u16();
@@ -65,4 +68,5 @@ void bhv_snow_leaf_particle_spawn_init(void) {
                 obj->oFaceAngleYaw = random_u16();
             }
         }
+    }
 }

src/game/behaviors/tumbling_bridge.inc.c

@@ -93,7 +93,7 @@ void tumbling_bridge_act_1(void) {
         platformObj = spawn_object_relative(
             0, relativePlatformX, relativePlatformY + relativeInitialPlatformY, relativePlatformZ, o,
             sTumblingBridgeParams[bridgeID].model, bhvTumblingBridgePlatform);
-
+        if (platformObj == NULL) { continue; }
         obj_set_collision_data(platformObj, sTumblingBridgeParams[bridgeID].segAddr);
     }
 

src/game/behaviors/water_bomb.inc.c

@@ -81,6 +81,7 @@ void bhv_water_bomb_spawner_update(void) {
                 // update the spawner
                 network_send_object(o);
 
+                if (waterBombShadow != NULL) {
                     // send out the waterBomb objects
                     struct Object* spawn_objects[] = {
                         waterBomb,
@@ -94,6 +95,7 @@ void bhv_water_bomb_spawner_update(void) {
                 }
             }
         }
+    }
 }
 
 /**

src/game/behaviors/water_ring.inc.c

@@ -168,7 +168,9 @@ void water_ring_spawner_act_inactive(void) {
     if ((o->oTimer == 0) || (o->oTimer == 50) || (o->oTimer == 150) || (o->oTimer == 200)
         || (o->oTimer == 250)) {
         waterRing = spawn_object(o, MODEL_WATER_RING, bhvJetStreamWaterRing);
+        if (waterRing != NULL) {
             waterRing->oWaterRingIndex = currentObj->oWaterRingMgrNextRingIndex;
+        }
         currentObj->oWaterRingMgrNextRingIndex++;
         if (currentObj->oWaterRingMgrNextRingIndex >= 10001)
             currentObj->oWaterRingMgrNextRingIndex = 0;

src/game/behaviors/water_splashes_and_waves.inc.c

@@ -122,8 +122,10 @@ void bhv_shallow_water_splash_init(void) {
     if ((random_u16() & 0xFF) <= 0) // Strange
     {
         fishObj = spawn_water_droplet(o, &sWaterDropletFishParams);
+        if (fishObj != NULL) {
             obj_init_animation_with_sound(fishObj, blue_fish_seg3_anims_0301C2B0, 0);
         }
+    }
 }
 
 void bhv_wave_trail_shrink(void) {

src/game/behaviors/wind.inc.c

@@ -4,6 +4,7 @@ void spawn_wind_particles(s16 pitch, s16 yaw) {
     s32 i;
     for (i = 0; i < 3; i++) {
         struct Object *wind = spawn_object(o, MODEL_MIST, bhvWind);
+        if (wind == NULL) { continue; }
         wind->oMoveAngleYaw = yaw;
         wind->oMoveAnglePitch = pitch;
     }

src/game/interaction.c

@@ -397,6 +397,7 @@ void mario_blow_off_cap(struct MarioState *m, f32 capSpeed) {
 
         u8 capModel = m->character->capModelId;
         capObject = spawn_object(m->marioObj, capModel, bhvNormalCap);
+        if (capObject == NULL) { return; }
         capObject->globalPlayerIndex = gNetworkPlayers[m->playerIndex].globalIndex;
         capObject->oBehParams = m->playerIndex + 1;
 

src/game/macro_special_objects.c

@@ -47,8 +47,10 @@ void spawn_macro_abs_yrot_2params(u32 model, const BehaviorScript *behavior, s16
     if (behavior != NULL) {
         struct Object *newObj = spawn_object_abs_with_rot(
             &gMacroObjectDefaultParent, 0, model, behavior, x, y, z, 0, convert_rotation(ry), 0);
+        if (newObj != NULL) {
             newObj->oBehParams = ((u32) params) << 16;
         }
+    }
 }
 
 /*
@@ -60,8 +62,10 @@ void spawn_macro_abs_yrot_param1(u32 model, const BehaviorScript *behavior, s16
     if (behavior != NULL) {
         struct Object *newObj = spawn_object_abs_with_rot(
             &gMacroObjectDefaultParent, 0, model, behavior, x, y, z, 0, convert_rotation(ry), 0);
+        if (newObj != NULL) {
             newObj->oBehParams = ((u32) param) << 24;
         }
+    }
 }
 
 /*
@@ -72,6 +76,7 @@ void spawn_macro_abs_special(u32 model, const BehaviorScript *behavior, s16 x, s
                              s16 unkC) {
     struct Object *newObj =
         spawn_object_abs_with_rot(&gMacroObjectDefaultParent, 0, model, behavior, x, y, z, 0, 0, 0);
+    if (newObj == NULL) { return; }
 
     // Are all three of these values unused?
     newObj->oMacroUnk108 = (f32) unkA;
@@ -87,6 +92,7 @@ static void spawn_macro_coin_unknown(const BehaviorScript *behavior, s16 a1[]) {
 
     sp3C = spawn_object_abs_with_rot(&gMacroObjectDefaultParent, 0, model, behavior,
                                      a1[1], a1[2], a1[3], 0, convert_rotation(a1[0]), 0);
+    if (sp3C == NULL) { return; }
 
     sp3C->oUnk1A8 = a1[4];
     sp3C->oBehParams = (a1[4] & 0xFF) >> 16;
@@ -160,6 +166,7 @@ void spawn_macro_objects(s16 areaIndex, s16 *macroObjList) {
                                           0                                               // Z-rotation
                 );
 
+            if (newObj != NULL) {
                 newObj->oUnk1A8 = macroObject[MACRO_OBJ_PARAMS];
                 newObj->oBehParams = ((macroObject[MACRO_OBJ_PARAMS] & 0x00FF) << 16)
                                     + (macroObject[MACRO_OBJ_PARAMS] & 0xFF00);
@@ -169,6 +176,7 @@ void spawn_macro_objects(s16 areaIndex, s16 *macroObjList) {
                 newObj->parentObj = newObj;
             }
         }
+    }
 }
 
 void spawn_macro_objects_hardcoded(s16 areaIndex, s16 *macroObjList) {

src/game/mario_actions_automatic.c

@@ -946,8 +946,10 @@ s32 act_bubbled(struct MarioState* m) {
     if (m->bubbleObj == NULL) {
         //m->bubbleObj = spawn_object(m->marioObj, MODEL_BUBBLE, bhvBubblePlayer);
         m->bubbleObj = spawn_object(m->marioObj, MODEL_BUBBLE_PLAYER, bhvBubblePlayer);
+        if (m->bubbleObj != NULL) {
             m->bubbleObj->heldByPlayerIndex = m->playerIndex;
         }
+    }
 
     // force inactive state
     if (m->heldObj != NULL) { mario_drop_held_object(m); }

src/game/mario_actions_cutscene.c

@@ -297,6 +297,7 @@ void handle_save_menu(struct MarioState *m) {
  */
 struct Object *spawn_obj_at_mario_rel_yaw(struct MarioState *m, s32 model, const BehaviorScript *behavior, s16 relYaw) {
     struct Object *o = spawn_object(m->marioObj, model, behavior);
+    if (o == NULL) { return NULL; }
 
     o->oFaceAngleYaw = m->faceAngle[1] + relYaw;
     o->oPosX = m->pos[0];
@@ -2239,8 +2240,10 @@ static void end_peach_cutscene_mario_landing(struct MarioState *m) {
         if (m->playerIndex == 0) {
             sEndJumboStarObj = spawn_object_abs_with_rot(gCurrentObject, 0, MODEL_STAR, bhvStaticObject, 0,
                                                          2528, -1800, 0, 0, 0);
+            if (sEndJumboStarObj != NULL) {
                 obj_scale(sEndJumboStarObj, 3.0);
             }
+        }
         advance_cutscene_step(m);
     }
 }
@@ -2298,9 +2301,9 @@ static void end_peach_cutscene_spawn_peach(struct MarioState *m) {
         sEndLeftToadObj = spawn_object_abs_with_rot(gCurrentObject, 0, MODEL_TOAD, bhvEndToad, -200,
                                                     906, -1290, 0, 0, 0);
 
-        sEndPeachObj->oOpacity = 127;
+        if (sEndPeachObj != NULL) { sEndPeachObj->oOpacity = 127; }
-        sEndRightToadObj->oOpacity = 255;
+        if (sEndRightToadObj != NULL) { sEndRightToadObj->oOpacity = 255; }
-        sEndLeftToadObj->oOpacity = 255;
+        if (sEndLeftToadObj != NULL) { sEndLeftToadObj->oOpacity = 255; }
 
         D_8032CBE4 = 4;
         sEndPeachAnimation = 4;
@@ -2309,7 +2312,7 @@ static void end_peach_cutscene_spawn_peach(struct MarioState *m) {
         sEndToadAnims[1] = 5;
     }
 
-    if (m->actionTimer >= TIMER_FADE_IN_PEACH) {
+    if (m->actionTimer >= TIMER_FADE_IN_PEACH && sEndPeachObj != NULL) {
         sEndPeachObj->oOpacity = camera_approach_f32_symmetric(sEndPeachObj->oOpacity, 255.0f, 2.0f);
     }
     if (m->actionTimer >= 40) {
@@ -2320,7 +2323,7 @@ static void end_peach_cutscene_spawn_peach(struct MarioState *m) {
         advance_cutscene_step(m);
     }
     // probably added sounds later and missed the previous >= 40 check
-    if (m->actionTimer >= 40) {
+    if (m->actionTimer >= 40 && sEndPeachObj != NULL) {
         play_sound(SOUND_AIR_PEACH_TWINKLE, sEndPeachObj->header.gfx.cameraToObject);
     }
 }
@@ -2828,9 +2831,9 @@ static s32 act_end_waving_cutscene(struct MarioState *m) {
         sEndLeftToadObj = spawn_object_abs_with_rot(gCurrentObject, 0, MODEL_TOAD, bhvEndToad, -180,
                                                     906, -1170, 0, 0, 0);
 
-        sEndPeachObj->oOpacity = 255;
+        if (sEndPeachObj != NULL) { sEndPeachObj->oOpacity = 255; }
-        sEndRightToadObj->oOpacity = 255;
+        if (sEndRightToadObj != NULL) { sEndRightToadObj->oOpacity = 255; }
-        sEndLeftToadObj->oOpacity = 255;
+        if (sEndLeftToadObj != NULL) { sEndLeftToadObj->oOpacity = 255; }
 
         sEndPeachAnimation = 11;
         sEndToadAnims[0] = 6;

src/game/mario_misc.c

@@ -287,6 +287,7 @@ void bhv_toad_message_init(void) {
 
 static void star_door_unlock_spawn_particles(s16 angleOffset) {
     struct Object *sparkleParticle = spawn_object(gCurrentObject, 0, bhvSparkleSpawn);
+    if (sparkleParticle == NULL) { return; }
 
     sparkleParticle->oPosX +=
         100.0f * sins((gCurrentObject->oUnlockDoorStarTimer * 0x2800) + angleOffset);

src/game/obj_behaviors.c

@@ -682,10 +682,12 @@ void obj_spawn_yellow_coins(struct Object *obj, s8 nCoins) {
     rng_position_init(o->oPosX, o->oPosY, o->oPosZ);
     for (count = 0; count < nCoins; count++) {
         coin = spawn_object(obj, MODEL_YELLOW_COIN, bhvMovingYellowCoin);
+        if (coin != NULL) {
             coin->oForwardVel = random_float() * 20;
             coin->oVelY = random_float() * 40 + 20;
             coin->oMoveAngleYaw = random_u16();
         }
+    }
     rng_position_finish();
 }
 
@@ -807,11 +809,13 @@ s32 obj_lava_death(void) {
     if ((o->oTimer % 8) == 0) {
         cur_obj_play_sound_2(SOUND_OBJ_BULLY_EXPLODE_2);
         deathSmoke = spawn_object(o, MODEL_SMOKE, bhvBobombBullyDeathSmoke);
+        if (deathSmoke != NULL) {
             deathSmoke->oPosX += random_float() * 20.0f;
             deathSmoke->oPosY += random_float() * 20.0f;
             deathSmoke->oPosZ += random_float() * 20.0f;
             deathSmoke->oForwardVel = random_float() * 10.0f;
         }
+    }
 
     return FALSE;
 }
@@ -827,6 +831,7 @@ void spawn_orange_number(s8 behParam, s16 relX, s16 relY, s16 relZ) {
     }
 
     orangeNumber = spawn_object_relative(behParam, relX, relY, relZ, o, MODEL_NUMBER, bhvOrangeNumber);
+    if (orangeNumber == NULL) { return; }
     orangeNumber->oPosY += 25.0f;
 }
 

src/game/object_helpers.c

@@ -516,6 +516,7 @@ struct Object *spawn_object_abs_with_rot(struct Object *parent, s16 uselessArg,
                                          s16 x, s16 y, s16 z, s16 rx, s16 ry, s16 rz) {
     // 'uselessArg' is unused in the function spawn_object_at_origin()
     struct Object *newObj = spawn_object_at_origin(parent, uselessArg, model, behavior);
+    if (newObj == NULL) { return NULL; }
     obj_set_pos(newObj, x, y, z);
     obj_set_angle(newObj, rx, ry, rz);
 
@@ -530,6 +531,7 @@ struct Object *spawn_object_abs_with_rot(struct Object *parent, s16 uselessArg,
 struct Object *spawn_object_rel_with_rot(struct Object *parent, u32 model, const BehaviorScript *behavior,
                                          s16 xOff, s16 yOff, s16 zOff, s16 rx, s16 ry, UNUSED s16 rz) {
     struct Object *newObj = spawn_object_at_origin(parent, 0, model, behavior);
+    if (newObj == NULL) { return NULL; }
     newObj->oFlags |= OBJ_FLAG_TRANSFORM_RELATIVE_TO_PARENT;
     obj_set_parent_relative_pos(newObj, xOff, yOff, zOff);
     obj_set_angle(newObj, rx, ry, zOff); // Nice typo you got there Nintendo.
@@ -539,6 +541,7 @@ struct Object *spawn_object_rel_with_rot(struct Object *parent, u32 model, const
 
 struct Object *spawn_obj_with_transform_flags(struct Object *sp20, s32 model, const BehaviorScript *sp28) {
     struct Object *sp1C = spawn_object(sp20, model, sp28);
+    if (sp1C == NULL) { return NULL; }
     sp1C->oFlags |= OBJ_FLAG_0020 | OBJ_FLAG_SET_THROW_MATRIX_FROM_TRANSFORM;
     return sp1C;
 }
@@ -546,6 +549,7 @@ struct Object *spawn_obj_with_transform_flags(struct Object *sp20, s32 model, co
 struct Object *spawn_water_droplet(struct Object *parent, struct WaterDropletParams *params) {
     f32 randomScale;
     struct Object *newObj = spawn_object(parent, params->model, params->behavior);
+    if (newObj == NULL) { return NULL; }
 
     if (params->flags & WATER_DROPLET_FLAG_RAND_ANGLE) {
         newObj->oMoveAngleYaw = random_u16();
@@ -589,6 +593,7 @@ struct Object *spawn_object_at_origin(struct Object *parent, UNUSED s32 unusedAr
 
     behaviorAddr = segmented_to_virtual(behavior);
     obj = create_object(behaviorAddr);
+    if (obj == NULL) { return NULL; }
 
     obj->parentObj = parent;
     obj->header.gfx.areaIndex = parent->header.gfx.areaIndex;
@@ -603,6 +608,7 @@ struct Object *spawn_object_at_origin(struct Object *parent, UNUSED s32 unusedAr
 
 struct Object *spawn_object(struct Object *parent, s32 model, const BehaviorScript *behavior) {
     struct Object *obj = spawn_object_at_origin(parent, 0, model, behavior);
+    if (obj == NULL) { return NULL; }
 
     obj_copy_pos_and_angle(obj, parent);
 
@@ -615,6 +621,7 @@ struct Object *try_to_spawn_object(s16 offsetY, f32 scale, struct Object *parent
 
     if (gFreeObjectList.next != NULL) {
         obj = spawn_object(parent, model, behavior);
+        if (obj == NULL) { return NULL; }
         obj->oPosY += offsetY;
         obj_scale(obj, scale);
         return obj;
@@ -625,6 +632,7 @@ struct Object *try_to_spawn_object(s16 offsetY, f32 scale, struct Object *parent
 
 struct Object *spawn_object_with_scale(struct Object *parent, s32 model, const BehaviorScript *behavior, f32 scale) {
     struct Object *obj = spawn_object_at_origin(parent, 0, model, behavior);
+    if (obj == NULL) { return NULL; }
 
     obj_copy_pos_and_angle(obj, parent);
     obj_scale(obj, scale);
@@ -640,6 +648,7 @@ static void obj_build_relative_transform(struct Object *obj) {
 struct Object *spawn_object_relative(s16 behaviorParam, s16 relativePosX, s16 relativePosY, s16 relativePosZ,
                                      struct Object *parent, s32 model, const BehaviorScript *behavior) {
     struct Object *obj = spawn_object_at_origin(parent, 0, model, behavior);
+    if (obj == NULL) { return NULL; }
 
     obj_copy_pos_and_angle(obj, parent);
     obj_set_parent_relative_pos(obj, relativePosX, relativePosY, relativePosZ);
@@ -656,6 +665,7 @@ struct Object *spawn_object_relative_with_scale(s16 behaviorParam, s16 relativeP
                                                 s32 model, const BehaviorScript *behavior) {
     struct Object *obj = spawn_object_relative(behaviorParam, relativePosX, relativePosY, relativePosZ,
                                                parent, model, behavior);
+    if (obj == NULL) { return NULL; }
     obj_scale(obj, scale);
 
     return obj;
@@ -1741,6 +1751,7 @@ static void obj_spawn_loot_coins(struct Object *obj, s32 numCoins, f32 sp30,
         obj->oNumLootCoins--;
 
         coin = spawn_object(obj, model, coinBehavior);
+        if (coin == NULL) { return; }
         obj_translate_xz_random(coin, posJitter);
         coin->oPosY = spawnHeight;
         coin->oCoinUnk110 = sp30;
@@ -1764,6 +1775,7 @@ void cur_obj_spawn_loot_coin_at_mario_pos(struct MarioState* m) {
     o->oNumLootCoins--;
 
     coin = spawn_object(o, MODEL_YELLOW_COIN, bhvSingleCoinGetsSpawned);
+    if (coin == NULL) { return; }
     coin->oVelY = 30.0f;
 
     obj_copy_pos(coin, m->marioObj);
@@ -2235,6 +2247,7 @@ void cur_obj_spawn_particles(struct SpawnParticlesInfo *info) {
         scale = random_float() * (info->sizeRange * 0.1f) + info->sizeBase * 0.1f;
 
         particle = spawn_object(o, info->model, bhvWhitePuffExplosion);
+        if (particle == NULL) { return; }
 
         particle->oBehParams2ndByte = info->behParam;
         particle->oMoveAngleYaw = random_u16();
@@ -2488,6 +2501,7 @@ void cur_obj_call_action_function(void (*actionFunctions[])(void)) {
 
 static struct Object *spawn_star_with_no_lvl_exit(s32 sp20, s32 sp24) {
     struct Object *sp1C = spawn_object(o, MODEL_STAR, bhvSpawnedStarNoLevelExit);
+    if (sp1C == NULL) { return NULL; }
     sp1C->oSparkleSpawnUnk1B0 = sp24;
     sp1C->oBehParams = o->oBehParams;
     sp1C->oBehParams2ndByte = sp20;

src/game/object_list_processor.c

@@ -254,6 +254,7 @@ void spawn_particle(u32 activeParticleFlag, s16 model, const BehaviorScript *beh
         struct Object *particle;
         gCurrentObject->oActiveParticleFlags |= activeParticleFlag;
         particle = spawn_object_at_origin(gCurrentObject, 0, model, behavior);
+        if (particle == NULL) { return; }
         obj_copy_pos_and_angle(particle, gCurrentObject);
     }
 }
@@ -514,7 +515,7 @@ void spawn_objects_from_info(UNUSED s32 unused, struct SpawnInfo *spawnInfo) {
         if ((spawnInfo->behaviorArg & (RESPAWN_INFO_DONT_RESPAWN << 8))
             != (RESPAWN_INFO_DONT_RESPAWN << 8)) {
             object = create_object(script);
-
+            if (object != NULL) {
                 // Behavior parameters are often treated as four separate bytes, but
                 // are stored as an s32.
                 object->oBehParams = spawnInfo->behaviorArg;
@@ -554,6 +555,7 @@ void spawn_objects_from_info(UNUSED s32 unused, struct SpawnInfo *spawnInfo) {
                 object->oMoveAngleYaw = spawnInfo->startAngle[1];
                 object->oMoveAngleRoll = spawnInfo->startAngle[2];
             }
+        }
 
         spawnInfo = spawnInfo->next;
     }

src/game/spawn_object.c

@@ -233,8 +233,7 @@ struct Object *allocate_object(struct ObjectNode *objList) {
         // If no unimportant object exists, then the object pool is exhausted.
         if (unimportantObj == NULL) {
             // We've met with a terrible fate.
-            while (TRUE) {
+            return NULL;
-            }
         } else {
             // If an unimportant object does exist, unload it and take its slot.
             unload_object(unimportantObj);
@@ -347,6 +346,7 @@ struct Object *create_object(const BehaviorScript *bhvScript) {
 
     objList = &gObjectLists[objListIndex];
     obj = allocate_object(objList);
+    if (obj == NULL) { return NULL; }
 
     obj->curBhvCommand = bhvScript;
     obj->behavior = behavior;

src/game/spawn_sound.c

@@ -50,6 +50,7 @@ void exec_anim_sound_state(struct SoundState *soundStates) {
  */
 void create_sound_spawner(s32 soundMagic) {
     struct Object *obj = spawn_object(gCurrentObject, 0, bhvSoundSpawner);
+    if (obj == NULL) { return; }
 
     obj->oSoundEffectUnkF4 = soundMagic;
 }

src/menu/star_select.c

@@ -99,6 +99,7 @@ void render_100_coin_star(u8 stars) {
         // If the 100 coin star has been collected, create a new star selector next to the coin score.
         sStarSelectorModels[6] = spawn_object_abs_with_rot(gCurrentObject, 0, MODEL_STAR,
                                                         bhvActSelectorStarType, 370, 24, -300, 0, 0, 0);
+        if (sStarSelectorModels[6] == NULL) { return; }
         sStarSelectorModels[6]->oStarSelectorSize = 0.8;
         sStarSelectorModels[6]->oStarSelectorType = STAR_SELECTOR_100_COINS;
     }
@@ -158,6 +159,7 @@ void bhv_act_selector_init(void) {
         sStarSelectorModels[i] =
             spawn_object_abs_with_rot(gCurrentObject, 0, selectorModelIDs[i], bhvActSelectorStarType,
                                       75 + sVisibleStars * -75 + i * 152, 248, -300, 0, 0, 0);
+        if (sStarSelectorModels[i] == NULL) { continue; }
         sStarSelectorModels[i]->oStarSelectorSize = 1.0f;
     }
 

src/pc/controller/controller_keyboard_debug.c

@@ -139,6 +139,7 @@ static void debug_reload_lua(void) {
 
 static void debug_spawn_object(void) {
     struct Object* box = spawn_object(gMarioStates[0].marioObj, MODEL_BREAKABLE_BOX_SMALL, bhvBreakableBoxSmall);
+    if (box == NULL) { return; }
     if (!network_set_sync_id(box)) {
         box->activeFlags = ACTIVE_FLAG_DEACTIVATED;
         return;

src/pc/lua/smlua_obj_utils.c

@@ -22,6 +22,11 @@ struct Object* spawn_object_sync(enum BehaviorId behaviorId, enum ModelExtendedI
     }
 
     struct Object* obj = spawn_object(gMarioStates[0].marioObj, loadedModelId, behavior);
+    if (obj == NULL) {
+        LOG_ERROR("failed to allocate object");
+        return NULL;
+    }
+
     if (!network_set_sync_id(obj)) {
         obj->activeFlags = ACTIVE_FLAG_DEACTIVATED;
         LOG_ERROR("failed to set sync id");

src/pc/network/packets/packet_area.c

@@ -209,18 +209,20 @@ void network_receive_area(struct Packet* p) {
         LOG_INFO("rx respawner");
         if (syncId < RESERVED_IDS_SYNC_OBJECT_OFFSET) {
             struct Object* respawner = spawn_object_abs_with_rot(gMarioStates[0].marioObj, 0, MODEL_NONE, bhvRespawner, posX, posY, posZ, 0, 0, 0);
+            if (respawner != NULL) {
                 respawner->parentObj = respawner;
                 respawner->oBehParams = behParams;
                 respawner->oRespawnerModelToRespawn = respawnerModelToRespawn;
                 respawner->oRespawnerMinSpawnDist = respawnerMinSpawnDist;
                 respawner->oRespawnerBehaviorToRespawn = get_behavior_from_id(behaviorToRespawn);
                 respawner->oSyncID = syncId;
+            }
 
             struct Object* o = so->o;
             o->oSyncID = 0;
             o->activeFlags = ACTIVE_FLAG_DEACTIVATED;
 
-            so->o = respawner;
+            if (respawner != NULL) { so->o = respawner; }
             LOG_INFO("rx respawner replaced!");
         }
     }

src/pc/network/packets/packet_spawn_objects.c

@@ -164,6 +164,11 @@ void network_receive_spawn_objects(struct Packet* p) {
 
         void* behavior = (void*)get_behavior_from_id(data.behaviorId);
         struct Object* o = spawn_object(parentObj, data.model, behavior);
+        if (o == NULL) {
+            LOG_ERROR("ERROR: failed to allocate object!");
+            return;
+        }
+
         o->globalPlayerIndex = data.globalPlayerIndex;
         o->createdThroughNetwork = true;
         memcpy(o->rawData.asU32, data.rawData, sizeof(u32) * 80);