sm64

A Super Mario 64 decompilation
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boulder.inc.c (1808B)

      1 // boulder.inc.c
      2 
      3 void bhv_big_boulder_init(void) {
      4     o->oHomeX = o->oPosX;
      5     o->oHomeY = o->oPosY;
      6     o->oHomeZ = o->oPosZ;
      7 
      8     o->oGravity = 8.0f;
      9     o->oFriction = 0.999f;
     10     o->oBuoyancy = 2.0f;
     11 }
     12 
     13 void boulder_act_1(void) {
     14     s16 collisionFlags = object_step_without_floor_orient();
     15 
     16     if ((collisionFlags & OBJ_COL_FLAGS_LANDED) == OBJ_COL_FLAG_GROUNDED && o->oVelY > 10.0f) {
     17         cur_obj_play_sound_2(SOUND_GENERAL_GRINDEL_ROLL);
     18         spawn_mist_particles();
     19     }
     20 
     21     if (o->oForwardVel > 70.0) {
     22         o->oForwardVel = 70.0f;
     23     }
     24 
     25     if (o->oPosY < -1000.0f) {
     26         o->activeFlags = ACTIVE_FLAG_DEACTIVATED;
     27     }
     28 }
     29 
     30 void bhv_big_boulder_loop(void) {
     31     cur_obj_scale(1.5f);
     32 
     33     o->oGraphYOffset = 270.0f;
     34 
     35     switch (o->oAction) {
     36         case 0:
     37             o->oForwardVel = 40.0f;
     38             o->oAction = 1;
     39             break;
     40 
     41         case 1:
     42             boulder_act_1();
     43             adjust_rolling_face_pitch(1.5f);
     44             cur_obj_play_sound_1(SOUND_ENV_UNKNOWN2);
     45             break;
     46     }
     47 
     48     set_rolling_sphere_hitbox();
     49 }
     50 
     51 void bhv_big_boulder_generator_loop(void) {
     52     struct Object *sp1C;
     53 
     54     if (o->oTimer >= 256) {
     55         o->oTimer = 0;
     56     }
     57 
     58     if (!current_mario_room_check(4)
     59         || is_point_within_radius_of_mario(o->oPosX, o->oPosY, o->oPosZ, 1500)) {
     60         return;
     61     }
     62 
     63     if (is_point_within_radius_of_mario(o->oPosX, o->oPosY, o->oPosZ, 6000)) {
     64         if (!(o->oTimer & 0x3F)) {
     65             sp1C = spawn_object(o, MODEL_HMC_ROLLING_ROCK, bhvBigBoulder);
     66             sp1C->oMoveAngleYaw = random_float() * 4096.0f;
     67         }
     68     } else {
     69         if (!(o->oTimer & 0x7F)) {
     70             sp1C = spawn_object(o, MODEL_HMC_ROLLING_ROCK, bhvBigBoulder);
     71             sp1C->oMoveAngleYaw = random_float() * 4096.0f;
     72         }
     73     }
     74 }