sm64

tweester.inc.c (4741B)

---

 
 /**
  * Behavior file for bhvTweester and bhvTweesterSandParticle
  * Tweester swaps between twhree action- an idle action, a chasing
  * Mario action, and an action that hides it. At certain times the
  * Tweester spawns the sand particles also in this file.
  */
 
 struct ObjectHitbox sTweesterHitbox = {
     /* interactType:      */ INTERACT_TORNADO,
     /* downOffset:        */ 0,
     /* damageOrCoinValue: */ 0,
     /* health:            */ 0,
     /* numLootCoins:      */ 0,
     /* radius:            */ 1500,
     /* height:            */ 4000,
     /* hurtboxRadius:     */ 0,
     /* hurtboxHeight:     */ 0,
 };
 
 /**
  * Controls the scaling of the tweester as well as
  * its forward velocity.
  */
 void tweester_scale_and_move(f32 preScale) {
     s16 dYaw  = 0x2C00;
     f32 scale = preScale * 0.4;
 
     o->header.gfx.scale[0]
         = (( coss(o->oTweesterScaleTimer) + 1.0) * 0.5 * 0.3 + 1.0) * scale;
     o->header.gfx.scale[1]
         = ((-coss(o->oTweesterScaleTimer) + 1.0) * 0.5 * 0.5 + 0.5) * scale;
     o->header.gfx.scale[2]
         = (( coss(o->oTweesterScaleTimer) + 1.0) * 0.5 * 0.3 + 1.0) * scale;
 
     o->oTweesterScaleTimer += 0x200;
     o->oForwardVel = 14.0f;
     o->oFaceAngleYaw += dYaw;
 }
 
 /**
  * Tweester's idle action. Basically stays in active until Mario enters a 1500
  * radius, at which point it appears and grows for 60 frames at which point it
  * it enters the chasing action.
  */
 void tweester_act_idle(void) {
     if (o->oSubAction == TWEESTER_SUB_ACT_WAIT) {
         cur_obj_become_tangible();
         cur_obj_set_pos_to_home();
         cur_obj_scale(0.0f);
 
         // Hard to have any idea of this purpose, only set here.
         o->oTweesterUnused = 0;
 
         // If Mario is within range, change to the growth sub-action.
         if (o->oDistanceToMario < 1500.0f) {
             o->oSubAction++;
         }
 
         o->oTimer = 0;
     } else {
         cur_obj_play_sound_1(SOUND_ENV_WIND1);
         tweester_scale_and_move(o->oTimer / 60.0f);
         if (o->oTimer >= 60) {
             o->oAction = TWEESTER_ACT_CHASE;
         }
     }
 }
 
 /**
  * Action where the tweester "chases" Mario.
  * After Mario is twirling, then return home.
  */
 void tweester_act_chase(void) {
     f32 activationRadius = o->oBhvParams2ndByte * 100;
 
     o->oAngleToHome = cur_obj_angle_to_home();
     cur_obj_play_sound_1(SOUND_ENV_WIND1);
 
     if (cur_obj_lateral_dist_from_mario_to_home() < activationRadius
         && o->oSubAction == TWEESTER_SUB_ACT_CHASE) {
 
         o->oForwardVel = 20.0f;
         cur_obj_rotate_yaw_toward(o->oAngleToMario, 0x200);
         print_debug_top_down_objectinfo("off ", 0);
 
         if (gMarioStates[0].action == ACT_TWIRLING) {
             o->oSubAction++;
         }
     } else {
         o->oForwardVel = 20.0f;
         cur_obj_rotate_yaw_toward(o->oAngleToHome, 0x200);
 
         if (cur_obj_lateral_dist_to_home() < 200.0f) {
             o->oAction = TWEESTER_ACT_HIDE;
         }
     }
 
     if (o->oDistanceToMario > 3000.0f) {
         o->oAction = TWEESTER_ACT_HIDE;
     }
 
     cur_obj_update_floor_and_walls();
     if (o->oMoveFlags & OBJ_MOVE_HIT_WALL) {
         o->oMoveAngleYaw = o->oWallAngle;
     }
 
     cur_obj_move_standard(60);
     tweester_scale_and_move(1.0f);
     spawn_object(o, MODEL_SAND_DUST, bhvTweesterSandParticle);
 }
 
 /**
  * Shrinks the tweester until it is invisible, then returns to the idle
  * action if Mario is 2500 units away or 12 seconds passed.
  */
 void tweester_act_hide(void) {
     f32 shrinkTimer = 60.0f - o->oTimer;
 
     if (shrinkTimer >= 0.0f) {
         tweester_scale_and_move(shrinkTimer / 60.0f);
     } else {
         cur_obj_become_intangible();
         if (cur_obj_lateral_dist_from_mario_to_home() > 2500.0f) {
             o->oAction = TWEESTER_ACT_IDLE;
         }
         if (o->oTimer > 360) {
             o->oAction = TWEESTER_ACT_IDLE;
         }
     }
 }
 
 // Array of Tweester action functions.
 void (*sTweesterActions[])(void) = {
     tweester_act_idle,
     tweester_act_chase,
     tweester_act_hide,
 };
 
 /**
  * Loop behavior for Tweester.
  * Loads the hitbox and calls its relevant action.
  */
 void bhv_tweester_loop(void) {
     obj_set_hitbox(o, &sTweesterHitbox);
     cur_obj_call_action_function(sTweesterActions);
     o->oInteractStatus = 0;
 }
 
 /**
  * Loop behavior for the particles Tweesters create.
  * Floats upwards semi-randomly.
  */
 void bhv_tweester_sand_particle_loop(void) {
     o->oMoveAngleYaw += 0x3700;
     o->oForwardVel += 15.0f;
     o->oPosY += 22.0f;
 
     cur_obj_scale(random_float() + 1.0);
 
     if (o->oTimer == 0) {
         obj_translate_xz_random(o, 100.0f);
         o->oFaceAnglePitch = random_u16();
         o->oFaceAngleYaw = random_u16();
     }
 
     if (o->oTimer > 15) {
         obj_mark_for_deletion(o);
     }
 }