67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
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/**
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* Behavior for bhvTTCTreadmill.
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* The first treadmill in processing order is the "master treadmill". It is
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* responsible for playing sounds and calling RNG to control all the other
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* treadmills.
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*/
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/**
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* Collision models for the different sized treadmills.
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*/
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static void *sTTCTreadmillCollisionModels[] = {
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ttc_seg7_collision_070152B4,
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ttc_seg7_collision_070153E0,
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};
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static s16 sTTCTreadmillSpeeds[] = {
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/* TTC_SPEED_SLOW */ 50,
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/* TTC_SPEED_FAST */ 100,
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/* TTC_SPEED_RANDOM */ 0,
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/* TTC_SPEED_STOPPED */ 0,
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};
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extern s16 ttc_movtex_tris_big_surface_treadmill[];
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extern s16 ttc_movtex_tris_small_surface_treadmill[];
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void bhv_ttc_treadmill_init(void) {
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o->collisionData = segmented_to_virtual(sTTCTreadmillCollisionModels[o->oBehParams2ndByte & 0x1]);
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o->oTTCTreadmillBigSurface = segmented_to_virtual(ttc_movtex_tris_big_surface_treadmill);
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o->oTTCTreadmillSmallSurface = segmented_to_virtual(ttc_movtex_tris_small_surface_treadmill);
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*o->oTTCTreadmillBigSurface = *o->oTTCTreadmillSmallSurface = sTTCTreadmillSpeeds[gTTCSpeedSetting];
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sMasterTreadmill = NULL;
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}
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/**
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* Update function for bhvTTCTreadmill. It calls cur_obj_compute_vel_xz afterward.
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*/
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void bhv_ttc_treadmill_update(void) {
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if (sMasterTreadmill == o || sMasterTreadmill == NULL) {
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sMasterTreadmill = o;
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cur_obj_play_sound_1(SOUND_ENV_ELEVATOR2);
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if (gTTCSpeedSetting == TTC_SPEED_RANDOM) {
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// Stay still for 5 frames, then accelerate toward the target speed
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// until it's time to switch
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if (o->oTimer > o->oTTCTreadmillTimeUntilSwitch) {
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// Then stop and select new target speed and time until switch
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if (approach_f32_ptr(&o->oTTCTreadmillSpeed, 0.0f, 10.0f)) {
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o->oTTCTreadmillTimeUntilSwitch = random_mod_offset(10, 20, 7);
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o->oTTCTreadmillTargetSpeed = random_sign() * 50.0f;
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o->oTimer = 0;
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}
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} else if (o->oTimer > 5) {
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approach_f32_ptr(&o->oTTCTreadmillSpeed, o->oTTCTreadmillTargetSpeed, 10.0f);
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}
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*o->oTTCTreadmillBigSurface = *o->oTTCTreadmillSmallSurface = o->oTTCTreadmillSpeed;
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}
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}
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o->oForwardVel = 0.084f * *o->oTTCTreadmillBigSurface;
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}
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