sm64

A Super Mario 64 decompilation
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fire_spitter.inc.c (1437B)

      1 // fire_spitter.inc.c
      2 
      3 static void fire_spitter_act_idle(void) {
      4     approach_f32_ptr(&o->header.gfx.scale[0], 0.2f, 0.002f);
      5 
      6     if (o->oTimer > 150 && o->oDistanceToMario < 800.0f && !(o->oMoveFlags & OBJ_MOVE_MASK_IN_WATER)) {
      7         o->oAction = FIRE_SPITTER_ACT_SPIT_FIRE;
      8         o->oFireSpitterScaleVel = 0.05f;
      9     }
     10 }
     11 
     12 static void fire_spitter_act_spit_fire(void) {
     13     s32 scaleStatus;
     14 
     15     o->oMoveAngleYaw = o->oAngleToMario;
     16 
     17     // Increase scale by 0.05, 0.04, ..., -0.03. Then wait ~8 frames, then
     18     // starting moving scale by 0.05 each frame toward 0.1. The first time
     19     // it becomes below 0.15 during this latter portion, shoot fire.
     20     scaleStatus = obj_grow_then_shrink(&o->oFireSpitterScaleVel, 0.15f, 0.1f);
     21 
     22     if (scaleStatus != 0) {
     23         if (scaleStatus < 0) {
     24             o->oAction = FIRE_SPITTER_ACT_IDLE;
     25         } else {
     26             cur_obj_play_sound_2(SOUND_OBJ_FLAME_BLOWN);
     27             obj_spit_fire(0, 0, 0, 5.0f, MODEL_RED_FLAME_SHADOW, 20.0f, 15.0f, 0x1000);
     28         }
     29     }
     30 }
     31 
     32 void bhv_fire_spitter_update(void) {
     33     cur_obj_scale(o->header.gfx.scale[0]);
     34     o->oGraphYOffset = 40.0f;
     35     cur_obj_update_floor_and_walls();
     36 
     37     switch (o->oAction) {
     38         case FIRE_SPITTER_ACT_IDLE:
     39             fire_spitter_act_idle();
     40             break;
     41         case FIRE_SPITTER_ACT_SPIT_FIRE:
     42             fire_spitter_act_spit_fire();
     43             break;
     44     }
     45 
     46     cur_obj_move_standard(78);
     47 }