sm64/src/game/behaviors/donut_platform.inc.c

static Vec3s sDonutPlatformPositions[] = {
    { 0x0B4C, 0xF7D7, 0x19A4 }, { 0xF794, 0x08A3, 0xFFA9 }, { 0x069C, 0x09D8, 0xFFE0 },
    { 0x05CF, 0x09D8, 0xFFE0 }, { 0x0502, 0x09D8, 0xFFE0 }, { 0x054C, 0xF7D7, 0x19A4 },
    { 0x0A7F, 0xF7D7, 0x19A4 }, { 0x09B2, 0xF7D7, 0x19A4 }, { 0x06E6, 0xF7D7, 0x19A4 },
    { 0x0619, 0xF7D7, 0x19A4 }, { 0xEFB5, 0xF7D7, 0x19A4 }, { 0x00E6, 0xF7D7, 0x19A4 },
    { 0x0019, 0xF7D7, 0x19A4 }, { 0xFF4D, 0xF7D7, 0x19A4 }, { 0xF081, 0xF7D7, 0x19A4 },
    { 0xE34F, 0xF671, 0x197A }, { 0xEEE8, 0xF7D7, 0x19A4 }, { 0xE74F, 0xF7D7, 0x197A },
    { 0xE683, 0xF7D7, 0x197A }, { 0xE5B6, 0xF7D7, 0x197A }, { 0xEE83, 0xF4A4, 0x19A4 },
    { 0xE41C, 0xF671, 0x197A }, { 0xE4E9, 0xF671, 0x197A }, { 0xECE9, 0xF4A4, 0x19A4 },
    { 0xEDB6, 0xF4A4, 0x19A4 }, { 0xFC3F, 0x0A66, 0xFF45 }, { 0x00EF, 0x04CD, 0xFF53 },
    { 0x0022, 0x04CD, 0xFF53 }, { 0xFF57, 0x04CD, 0xFF53 }, { 0xFB73, 0x0A66, 0xFF45 },
    { 0xFD0C, 0x0A66, 0xFF45 },
};

void bhv_donut_platform_spawner_update(void) {
    s32 i;
    s32 platformFlag;
    f32 dx;
    f32 dy;
    f32 dz;
    f32 marioSqDist;

    for (i = 0, platformFlag = 1; i < 31; i++, platformFlag = platformFlag << 1) {
        if (!(o->oDonutPlatformSpawnerSpawnedPlatforms & platformFlag)) {
            dx = gMarioObject->oPosX - sDonutPlatformPositions[i][0];
            dy = gMarioObject->oPosY - sDonutPlatformPositions[i][1];
            dz = gMarioObject->oPosZ - sDonutPlatformPositions[i][2];
            marioSqDist = dx * dx + dy * dy + dz * dz;

            // dist > 1000 and dist < 2000
            if (marioSqDist > 1000000.0f && marioSqDist < 4000000.0f) {
                if (spawn_object_relative(i, sDonutPlatformPositions[i][0],
                                          sDonutPlatformPositions[i][1], sDonutPlatformPositions[i][2],
                                          o, MODEL_RR_DONUT_PLATFORM, bhvDonutPlatform)
                    != NULL) {
                    o->oDonutPlatformSpawnerSpawnedPlatforms |= platformFlag;
                }
            }
        }
    }
}

void bhv_donut_platform_update(void) {
    if (o->oTimer != 0 && ((o->oMoveFlags & 0x00000003) || o->oDistanceToMario > 2500.0f)) {
        o->parentObj->oDonutPlatformSpawnerSpawnedPlatforms =
            o->parentObj->oDonutPlatformSpawnerSpawnedPlatforms
            & ((1 << o->oBehParams2ndByte) ^ 0xFFFFFFFF);

        if (o->oDistanceToMario > 2500.0f) {
            obj_mark_for_deletion(o);
        } else {
            obj_explode_and_spawn_coins(150.0f, 1);
            create_sound_spawner(SOUND_GENERAL_DONUT_PLATFORM_EXPLOSION);
        }
    } else {
        if (o->oGravity == 0.0f) {
            if (gMarioObject->platform == o) {
                cur_obj_shake_y(4.0f);
                if (o->oTimer > 15) {
                    o->oGravity = -0.1f;
                }
            } else {
                cur_obj_set_pos_to_home();
                o->oTimer = 0;
            }
        } else {
            cur_obj_update_floor_and_walls();
            cur_obj_move_standard(78);
        }

        load_object_collision_model();
    }
}