64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/**
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* Behavior for bhvBbhTiltingTrapPlatform.
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* This is the tilting platform trap in the upper floor of BBH
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* that drops the player into the merry-go-round area.
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*/
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/**
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* Update function for bhvBbhTiltingTrapPlatform.
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*/
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void bhv_bbh_tilting_trap_platform_loop(void) {
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UNUSED s32 unused;
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// US (and probably later) versions use oAction for the
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// if statement, while immediately setting it over here.
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// This was done so that Mario leaving or getting on the platform
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// resets oTimer to 0.
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#ifndef VERSION_JP
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if (gMarioObject->platform == o) {
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o->oAction = BBH_TILTING_TRAP_PLATFORM_ACT_MARIO_ON;
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} else {
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o->oAction = BBH_TILTING_TRAP_PLATFORM_ACT_MARIO_OFF;
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}
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if (o->oAction == BBH_TILTING_TRAP_PLATFORM_ACT_MARIO_ON) {
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#else
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if (gMarioObject->platform == o) {
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#endif
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o->oAngleVelPitch = (s32)(o->oDistanceToMario * coss(o->oAngleToMario));
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o->oFaceAnglePitch += o->oAngleVelPitch;
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} else
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#ifndef VERSION_JP
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// In the US version, if the platform has tilted more than 3000 angle units
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// in less than 16 frames since Mario got on it, and he has stepped off,
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// this code will not run, so it will continue to rotate with the same
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// angular velocity for 16 more frames. This was probably done to make
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// the platform more dangerous. This code will not work correctly
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// without the oAction changes above, since oTimer will not ever
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// reset to 0 without them.
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if ((absi(o->oFaceAnglePitch) < 3000) || (o->oTimer >= 16))
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#endif
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{
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// Make the platform return to the horizontal at a speed of
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// 200 angle units/frame, and clamp it to 0 if it's within 200 units of 0.
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o->oAngleVelPitch = 0;
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if ((s16) o->oFaceAnglePitch > 0) {
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if (o->oFaceAnglePitch < 200) {
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o->oFaceAnglePitch = 0;
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} else {
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o->oAngleVelPitch = -200;
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}
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} else {
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if (o->oFaceAnglePitch > -200) {
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o->oFaceAnglePitch = 0;
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} else {
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o->oAngleVelPitch = 200;
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}
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}
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}
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// Update angle
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o->oFaceAnglePitch += o->oAngleVelPitch;
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}
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