53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
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/**
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* Behavior for bhvTTCElevator.
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*/
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/**
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* The speed on each setting.
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*/
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static s8 sTTCElevatorSpeeds[] = {
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/* TTC_SPEED_SLOW */ 6,
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/* TTC_SPEED_FAST */ 10,
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/* TTC_SPEED_RANDOM */ 6,
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/* TTC_SPEED_STOPPED */ 0,
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};
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/**
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* Init function for bhvTTCElevator.
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*/
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void bhv_ttc_elevator_init(void) {
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// If behParam is nonzero, then move 100 * behParam units. Otherwise default
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// to 500
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f32 peakOffset =
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((o->oBehParams >> 16) & 0xFFFF) != 0 ? 100.0f * ((o->oBehParams >> 16) & 0xFFFF) : 500.0f;
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o->oTTCElevatorPeakY = o->oPosY + peakOffset;
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}
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/**
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* Update function for bhvTTCElevator.
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*/
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void bhv_ttc_elevator_update(void) {
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o->oVelY = sTTCElevatorSpeeds[gTTCSpeedSetting] * o->oTTCElevatorDir;
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if (gTTCSpeedSetting == TTC_SPEED_RANDOM) {
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// Occasionally stop for 5 frames then change direction
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if (o->oTimer > o->oTTCElevatorMoveTime) {
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o->oTTCElevatorDir = random_sign();
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o->oTTCElevatorMoveTime = random_mod_offset(30, 30, 6);
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o->oTimer = 0;
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} else if (o->oTimer < 5) {
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o->oVelY = 0.0f;
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}
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}
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// This is basically equivalent to posY += velY
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cur_obj_move_using_fvel_and_gravity();
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// Flip directions if the elevator tries to run away
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if (clamp_f32(&o->oPosY, o->oHomeY, o->oTTCElevatorPeakY)) {
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o->oTTCElevatorDir = -o->oTTCElevatorDir;
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}
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}
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