sm64

A Super Mario 64 decompilation
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purple_switch.inc.c (3068B)

      1 
      2 /**
      3  * Behavior for bhvFloorSwitchHardcodedModel, bhvFloorSwitchGrills, and
      4  * bhvFloorSwitchAnimatesObject.
      5  *
      6  * This controls the purple switches that Mario can step on to affect parts of
      7  * the environment.
      8  */
      9 
     10 void bhv_purple_switch_loop(void) {
     11     UNUSED u8 filler[4];
     12 
     13     switch (o->oAction) {
     14         /**
     15          * Set the switch's model and scale. If Mario is standing near the
     16          * switch's middle section, transition to the pressed state.
     17          */
     18         case PURPLE_SWITCH_ACT_IDLE:
     19             cur_obj_set_model(MODEL_PURPLE_SWITCH);
     20             cur_obj_scale(1.5f);
     21             if (gMarioObject->platform == o && !(gMarioStates[0].action & MARIO_UNKNOWN_13)) {
     22                 if (lateral_dist_between_objects(o, gMarioObject) < 127.5) {
     23                     o->oAction = PURPLE_SWITCH_ACT_PRESSED;
     24                 }
     25             }
     26             break;
     27 
     28         /**
     29          * Collapse the switch downward, play a sound, and shake the screen.
     30          * Immediately transition to the ticking state.
     31          */
     32         case PURPLE_SWITCH_ACT_PRESSED:
     33             cur_obj_scale_over_time(2, 3, 1.5f, 0.2f);
     34             if (o->oTimer == 3) {
     35                 cur_obj_play_sound_2(SOUND_GENERAL2_PURPLE_SWITCH);
     36                 o->oAction = PURPLE_SWITCH_ACT_TICKING;
     37                 cur_obj_shake_screen(SHAKE_POS_SMALL);
     38 #if ENABLE_RUMBLE
     39                 queue_rumble_data(5, 80);
     40 #endif
     41             }
     42             break;
     43 
     44         /**
     45          * Play a continuous ticking sound that gets faster when time is almost
     46          * up. When time is up, move to a waiting-while-pressed state.
     47          */
     48         case PURPLE_SWITCH_ACT_TICKING:
     49             if (o->oBhvParams2ndByte != 0) {
     50                 if (o->oBhvParams2ndByte == 1 && gMarioObject->platform != o) {
     51                     o->oAction++;
     52                 } else {
     53                     if (o->oTimer < 360) {
     54                         play_sound(SOUND_GENERAL2_SWITCH_TICK_FAST, gGlobalSoundSource);
     55                     } else {
     56                         play_sound(SOUND_GENERAL2_SWITCH_TICK_SLOW, gGlobalSoundSource);
     57                     }
     58                     if (o->oTimer > 400) {
     59                         o->oAction = PURPLE_SWITCH_ACT_WAIT_FOR_MARIO_TO_GET_OFF;
     60                     }
     61                 }
     62             }
     63             break;
     64 
     65         /**
     66          * Make the switch look unpressed again, and transition back to the
     67          * idle state.
     68          */
     69         case PURPLE_SWITCH_ACT_UNPRESSED:
     70             cur_obj_scale_over_time(2, 3, 0.2f, 1.5f);
     71             if (o->oTimer == 3) {
     72                 o->oAction = PURPLE_SWITCH_ACT_IDLE;
     73             }
     74             break;
     75 
     76         /**
     77          * Mario is standing on the switch, but time has expired. Wait for
     78          * him to get off the switch, and when he does so, transition to the
     79          * unpressed state.
     80          */
     81         case PURPLE_SWITCH_ACT_WAIT_FOR_MARIO_TO_GET_OFF:
     82             if (!cur_obj_is_mario_on_platform()) {
     83                 o->oAction = PURPLE_SWITCH_ACT_UNPRESSED;
     84             }
     85             break;
     86     }
     87 }