312 lines
11 KiB
C
312 lines
11 KiB
C
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/**
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* Behavior for bhvPlatformOnTrack and bhvTrackBall.
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* The platform spawns up to 5 track balls at a time, which then despawn
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* themselves as the platform moves past them.
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*/
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/**
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* Collision models for the different types of platforms.
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*/
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static void *sPlatformOnTrackCollisionModels[] = {
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/* PLATFORM_ON_TRACK_TYPE_CARPET */ rr_seg7_collision_07029038,
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/* PLATFORM_ON_TRACK_TYPE_SKI_LIFT */ ccm_seg7_collision_070163F8,
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/* PLATFORM_ON_TRACK_TYPE_CHECKERED */ checkerboard_platform_seg8_collision_0800D710,
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/* PLATFORM_ON_TRACK_TYPE_GRATE */ bitfs_seg7_collision_070157E0,
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};
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/**
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* Paths for the different instances of these platforms.
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*/
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static void *sPlatformOnTrackPaths[] = {
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rr_seg7_trajectory_0702EC3C, rr_seg7_trajectory_0702ECC0, ccm_seg7_trajectory_0701669C,
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bitfs_seg7_trajectory_070159AC, hmc_seg7_trajectory_0702B86C, lll_seg7_trajectory_0702856C,
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lll_seg7_trajectory_07028660, rr_seg7_trajectory_0702ED9C, rr_seg7_trajectory_0702EEE0,
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};
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/**
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* Despawn all track balls and enter the init action.
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*/
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static void platform_on_track_reset(void) {
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o->oAction = PLATFORM_ON_TRACK_ACT_INIT;
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// This will cause the track balls to all despawn
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o->oPlatformOnTrackBaseBallIndex += 99;
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}
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/**
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* If this platform is the kind that disappears, pause for a while, then
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* begin blinking, and finally reset.
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*/
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static void platform_on_track_mario_not_on_platform(void) {
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if (!((u16)(o->oBehParams >> 16) & PLATFORM_ON_TRACK_BP_DONT_DISAPPEAR)) {
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// Once oTimer reaches 150, blink 40 times
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if (cur_obj_wait_then_blink(150, 40)) {
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platform_on_track_reset();
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o->header.gfx.node.flags &= ~GRAPH_RENDER_INVISIBLE;
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}
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}
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}
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/**
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* Init function for bhvPlatformOnTrack.
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*/
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void bhv_platform_on_track_init(void) {
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if (!(o->activeFlags & ACTIVE_FLAG_IN_DIFFERENT_ROOM)) {
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s16 pathIndex = (u16)(o->oBehParams >> 16) & PLATFORM_ON_TRACK_BP_MASK_PATH;
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o->oPlatformOnTrackType = ((u16)(o->oBehParams >> 16) & PLATFORM_ON_TRACK_BP_MASK_TYPE) >> 4;
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o->oPlatformOnTrackIsNotSkiLift = o->oPlatformOnTrackType - PLATFORM_ON_TRACK_TYPE_SKI_LIFT;
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o->collisionData =
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segmented_to_virtual(sPlatformOnTrackCollisionModels[o->oPlatformOnTrackType]);
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o->oPlatformOnTrackStartWaypoint = segmented_to_virtual(sPlatformOnTrackPaths[pathIndex]);
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o->oPlatformOnTrackIsNotHMC = pathIndex - 4;
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o->oBehParams2ndByte = o->oMoveAngleYaw; // TODO: Weird?
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if (o->oPlatformOnTrackType == PLATFORM_ON_TRACK_TYPE_CHECKERED) {
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o->header.gfx.scale[1] = 2.0f;
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}
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}
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}
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/**
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* Move to the start waypoint, spawn the first track balls, and enter the
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* wait for mario action.
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*/
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static void platform_on_track_act_init(void) {
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s32 i;
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o->oPlatformOnTrackPrevWaypoint = o->oPlatformOnTrackStartWaypoint;
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o->oPlatformOnTrackPrevWaypointFlags = 0;
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o->oPlatformOnTrackBaseBallIndex = 0;
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o->oPosX = o->oHomeX = o->oPlatformOnTrackStartWaypoint->pos[0];
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o->oPosY = o->oHomeY = o->oPlatformOnTrackStartWaypoint->pos[1];
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o->oPosZ = o->oHomeZ = o->oPlatformOnTrackStartWaypoint->pos[2];
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o->oFaceAngleYaw = o->oBehParams2ndByte;
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o->oForwardVel = o->oVelX = o->oVelY = o->oVelZ = o->oPlatformOnTrackDistMovedSinceLastBall = 0.0f;
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o->oPlatformOnTrackWasStoodOn = FALSE;
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if (o->oPlatformOnTrackIsNotSkiLift) {
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o->oFaceAngleRoll = 0;
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}
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// Spawn track balls
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for (i = 1; i < 6; i++) {
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platform_on_track_update_pos_or_spawn_ball(i, o->oHomeX, o->oHomeY, o->oHomeZ);
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}
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o->oAction = PLATFORM_ON_TRACK_ACT_WAIT_FOR_MARIO;
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}
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/**
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* Wait for mario to stand on the platform for 20 frames, then begin moving.
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*/
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static void platform_on_track_act_wait_for_mario(void) {
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if (gMarioObject->platform == o) {
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if (o->oTimer > 20) {
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o->oAction = PLATFORM_ON_TRACK_ACT_MOVE_ALONG_TRACK;
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}
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} else {
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if (o->activeFlags & ACTIVE_FLAG_IN_DIFFERENT_ROOM) {
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platform_on_track_reset();
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}
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o->oTimer = 0;
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}
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}
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/**
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* Move along the track. After reaching the end, either start falling,
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* return to the init action, or continue moving back to the start waypoint.
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*/
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static void platform_on_track_act_move_along_track(void) {
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s16 initialAngle;
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if (!o->oPlatformOnTrackIsNotSkiLift) {
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cur_obj_play_sound_1(SOUND_ENV_ELEVATOR3);
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} else if (!o->oPlatformOnTrackIsNotHMC) {
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cur_obj_play_sound_1(SOUND_ENV_ELEVATOR1);
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}
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// Fall after reaching the last waypoint if desired
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if (o->oPlatformOnTrackPrevWaypointFlags == WAYPOINT_FLAGS_END
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&& !((u16)(o->oBehParams >> 16) & PLATFORM_ON_TRACK_BP_RETURN_TO_START)) {
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o->oAction = PLATFORM_ON_TRACK_ACT_FALL;
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} else {
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// The ski lift should pause or stop after reaching a special waypoint
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if (o->oPlatformOnTrackPrevWaypointFlags != 0 && !o->oPlatformOnTrackIsNotSkiLift) {
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if (o->oPlatformOnTrackPrevWaypointFlags == WAYPOINT_FLAGS_END
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|| o->oPlatformOnTrackPrevWaypointFlags == WAYPOINT_FLAGS_PLATFORM_ON_TRACK_PAUSE) {
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cur_obj_play_sound_2(SOUND_GENERAL_UNKNOWN4_LOWPRIO);
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o->oForwardVel = 0.0f;
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if (o->oPlatformOnTrackPrevWaypointFlags == WAYPOINT_FLAGS_END) {
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o->oAction = PLATFORM_ON_TRACK_ACT_INIT;
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} else {
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o->oAction = PLATFORM_ON_TRACK_ACT_PAUSE_BRIEFLY;
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}
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}
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} else {
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// The ski lift accelerates, while the others instantly start
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if (!o->oPlatformOnTrackIsNotSkiLift) {
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obj_forward_vel_approach(10.0, 0.1f);
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} else {
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o->oForwardVel = 10.0f;
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}
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// Spawn a new track ball if necessary
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if (approach_f32_ptr(&o->oPlatformOnTrackDistMovedSinceLastBall, 300.0f, o->oForwardVel)) {
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o->oPlatformOnTrackDistMovedSinceLastBall -= 300.0f;
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o->oHomeX = o->oPosX;
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o->oHomeY = o->oPosY;
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o->oHomeZ = o->oPosZ;
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o->oPlatformOnTrackBaseBallIndex = (u16)(o->oPlatformOnTrackBaseBallIndex + 1);
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platform_on_track_update_pos_or_spawn_ball(5, o->oHomeX, o->oHomeY, o->oHomeZ);
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}
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}
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platform_on_track_update_pos_or_spawn_ball(0, o->oPosX, o->oPosY, o->oPosZ);
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o->oMoveAnglePitch = o->oPlatformOnTrackPitch;
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o->oMoveAngleYaw = o->oPlatformOnTrackYaw;
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//! Both oAngleVelYaw and oAngleVelRoll aren't reset until the platform
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// starts moving again, resulting in unexpected platform displacement
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// after reappearing
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// Turn face yaw and compute yaw vel
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if (!((u16)(o->oBehParams >> 16) & PLATFORM_ON_TRACK_BP_DONT_TURN_YAW)) {
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s16 targetFaceYaw = o->oMoveAngleYaw + 0x4000;
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s16 yawSpeed = abs_angle_diff(targetFaceYaw, o->oFaceAngleYaw) / 20;
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initialAngle = o->oFaceAngleYaw;
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clamp_s16(&yawSpeed, 100, 500);
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obj_face_yaw_approach(targetFaceYaw, yawSpeed);
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o->oAngleVelYaw = (s16) o->oFaceAngleYaw - initialAngle;
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}
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// Turn face roll and compute roll vel
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if (((u16)(o->oBehParams >> 16) & PLATFORM_ON_TRACK_BP_DONT_TURN_ROLL)) {
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s16 rollSpeed = abs_angle_diff(o->oMoveAnglePitch, o->oFaceAngleRoll) / 20;
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initialAngle = o->oFaceAngleRoll;
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clamp_s16(&rollSpeed, 100, 500);
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//! If the platform is moving counterclockwise upward or
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// clockwise downward, this will be backward
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obj_face_roll_approach(o->oMoveAnglePitch, rollSpeed);
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o->oAngleVelRoll = (s16) o->oFaceAngleRoll - initialAngle;
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}
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}
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if (gMarioObject->platform != o) {
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platform_on_track_mario_not_on_platform();
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} else {
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o->oTimer = 0;
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o->header.gfx.node.flags &= ~GRAPH_RENDER_INVISIBLE;
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}
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}
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/**
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* Wait 20 frames then continue moving.
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*/
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static void platform_on_track_act_pause_briefly(void) {
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if (o->oTimer > 20) {
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o->oAction = PLATFORM_ON_TRACK_ACT_MOVE_ALONG_TRACK;
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}
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}
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/**
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* Fall downward with no terminal velocity, stopping after reaching y = -12k
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* and eventually blinking and disappearing.
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*/
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static void platform_on_track_act_fall(void) {
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cur_obj_move_using_vel_and_gravity();
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if (gMarioObject->platform != o) {
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platform_on_track_mario_not_on_platform();
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} else {
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o->oTimer = 0;
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//! Doesn't ensure visibility
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}
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}
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/**
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* Control the rocking of the ski lift.
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*/
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static void platform_on_track_rock_ski_lift(void) {
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s32 targetRoll = 0;
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UNUSED s32 initialRoll = o->oFaceAngleRoll;
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o->oFaceAngleRoll += (s32) o->oPlatformOnTrackSkiLiftRollVel;
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// Tilt away from the moving direction and toward mario
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if (gMarioObject->platform == o) {
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targetRoll = o->oForwardVel * sins(o->oMoveAngleYaw) * -50.0f
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+ (s32)(o->oDistanceToMario * sins(o->oAngleToMario - o->oFaceAngleYaw) * -4.0f);
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}
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oscillate_toward(
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/* value */ &o->oFaceAngleRoll,
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/* vel */ &o->oPlatformOnTrackSkiLiftRollVel,
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/* target */ targetRoll,
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/* velCloseToZero */ 5.0f,
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/* accel */ 6.0f,
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/* slowdown */ 1.5f);
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clamp_f32(&o->oPlatformOnTrackSkiLiftRollVel, -100.0f, 100.0f);
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}
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/**
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* Update function for bhvPlatformOnTrack.
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*/
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void bhv_platform_on_track_update(void) {
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switch (o->oAction) {
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case PLATFORM_ON_TRACK_ACT_INIT:
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platform_on_track_act_init();
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break;
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case PLATFORM_ON_TRACK_ACT_WAIT_FOR_MARIO:
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platform_on_track_act_wait_for_mario();
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break;
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case PLATFORM_ON_TRACK_ACT_MOVE_ALONG_TRACK:
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platform_on_track_act_move_along_track();
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break;
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case PLATFORM_ON_TRACK_ACT_PAUSE_BRIEFLY:
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platform_on_track_act_pause_briefly();
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break;
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case PLATFORM_ON_TRACK_ACT_FALL:
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platform_on_track_act_fall();
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break;
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}
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if (!o->oPlatformOnTrackIsNotSkiLift) {
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platform_on_track_rock_ski_lift();
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} else if (o->oPlatformOnTrackType == PLATFORM_ON_TRACK_TYPE_CARPET) {
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if (!o->oPlatformOnTrackWasStoodOn && gMarioObject->platform == o) {
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o->oPlatformOnTrackOffsetY = -8.0f;
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o->oPlatformOnTrackWasStoodOn = TRUE;
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}
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approach_f32_ptr(&o->oPlatformOnTrackOffsetY, 0.0f, 0.5f);
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o->oPosY += o->oPlatformOnTrackOffsetY;
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}
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}
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/**
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* Update function for bhvTrackBall.
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*/
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void bhv_track_ball_update(void) {
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// Despawn after the elevator passes this ball
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s16 relativeIndex =
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(s16) o->oBehParams2ndByte - (s16) o->parentObj->oPlatformOnTrackBaseBallIndex - 1;
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if (relativeIndex < 1 || relativeIndex > 5) {
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obj_mark_for_deletion(o);
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}
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}
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