Library/Rail: Implement RailRider (#766)

data/file_list.yml

@@ -275497,79 +275497,79 @@ Library/Rail/RailRider.o:
   - offset: 0x9c3490
     size: 60
     label: _ZN2al9RailRider15moveToRailStartEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c34cc
     size: 80
     label: _ZN2al9RailRider4moveEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c351c
     size: 56
     label: _ZN2al9RailRider10syncPosDirEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c3554
     size: 56
     label: _ZN2al9RailRider8setCoordEf
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c358c
     size: 64
     label: _ZN2al9RailRider15moveToRailPointEi
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c35cc
     size: 64
     label: _ZN2al9RailRider13moveToRailEndEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c360c
     size: 88
     label: _ZN2al9RailRider11moveToBeginEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c3664
     size: 88
     label: _ZN2al9RailRider10moveToGoalEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c36bc
     size: 68
     label: _ZN2al9RailRider17moveToNearestRailERKN4sead7Vector3IfEE
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c3700
     size: 16
     label: _ZN2al9RailRider7reverseEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c3710
     size: 8
     label: _ZN2al9RailRider17setMoveGoingStartEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c3718
     size: 12
     label: _ZN2al9RailRider15setMoveGoingEndEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c3724
     size: 8
     label: _ZN2al9RailRider8setSpeedEf
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c372c
     size: 16
     label: _ZN2al9RailRider8addSpeedEf
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c373c
     size: 16
     label: _ZN2al9RailRider10scaleSpeedEf
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c374c
     size: 96
     label: _ZNK2al9RailRider13isReachedGoalEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c37ac
     size: 68
     label: _ZNK2al9RailRider16isReachedRailEndEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c37f0
     size: 36
     label: _ZNK2al9RailRider18isReachedRailStartEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x9c3814
     size: 128
     label: _ZNK2al9RailRider13isReachedEdgeEv
-    status: NotDecompiled
+    status: Matching
 Library/Rail/RailUtil.o:
   '.text':
   - offset: 0x9c3894

lib/al/Library/Rail/RailRider.cpp

@@ -1,10 +1,107 @@
 #include "Library/Rail/RailRider.h"
 
+#include "Library/Math/MathUtil.h"
 #include "Library/Rail/Rail.h"
 
 namespace al {
 RailRider::RailRider(const Rail* rail) : mRail(rail) {
-    mCoord = rail->normalizeLength(0);
+    syncPosDir();
+}
+
+void RailRider::moveToRailStart() {
+    mCoord = 0.0f;
+    syncPosDir();
+}
+
+void RailRider::move() {
+    mCoord += mIsMoveForwards ? mRate : -mRate;
+    syncPosDir();
+}
+
+void RailRider::syncPosDir() {
+    mCoord = mRail->normalizeLength(mCoord);
     mRail->calcPosDir(&mPosition, &mDirection, mCoord);
 }
+
+void RailRider::setCoord(f32 coord) {
+    mCoord = coord;
+    syncPosDir();
+}
+
+void RailRider::moveToRailPoint(s32 point) {
+    mCoord = mRail->getPartLength(point);
+    syncPosDir();
+}
+
+void RailRider::moveToRailEnd() {
+    mCoord = mRail->getTotalLength();
+    syncPosDir();
+}
+
+void RailRider::moveToBegin() {
+    if (mIsMoveForwards)
+        moveToRailStart();
+    else
+        moveToRailEnd();
+}
+
+void RailRider::moveToGoal() {
+    if (mIsMoveForwards)
+        moveToRailEnd();
+    else
+        moveToRailStart();
+}
+
+void RailRider::moveToNearestRail(const sead::Vector3f& position) {
+    mCoord = mRail->calcNearestRailPosCoord(position, 20.0f);
+    syncPosDir();
+}
+
+void RailRider::reverse() {
+    mIsMoveForwards = !mIsMoveForwards;
+}
+
+void RailRider::setMoveGoingStart() {
+    mIsMoveForwards = false;
+}
+
+void RailRider::setMoveGoingEnd() {
+    mIsMoveForwards = true;
+}
+
+void RailRider::setSpeed(f32 speed) {
+    mRate = speed;
+}
+
+void RailRider::addSpeed(f32 speed) {
+    mRate += speed;
+}
+
+void RailRider::scaleSpeed(f32 scale) {
+    mRate *= scale;
+}
+
+bool RailRider::isReachedGoal() const {
+    if (mIsMoveForwards)
+        return isReachedRailEnd();
+    else
+        return isReachedRailStart();
+}
+
+bool RailRider::isReachedRailEnd() const {
+    if (mRail->isClosed())
+        return false;
+    return isNearZero(mCoord - mRail->getTotalLength());
+}
+
+bool RailRider::isReachedRailStart() const {
+    if (mRail->isClosed())
+        return false;
+    return isNearZero(mCoord);
+}
+
+bool RailRider::isReachedEdge() const {
+    return isReachedRailStart() || isReachedRailEnd();
+}
+
 }  // namespace al

lib/al/Library/Rail/RailRider.h

@@ -22,11 +22,11 @@ public:
     void setMoveGoingEnd();
     void setSpeed(f32 speed);
     void addSpeed(f32 speed);
-    void scaleSpeed(f32 speed);
-    bool isReachedGoal();
-    bool isReachedRailEnd();
-    bool isReachedRailStart();
-    bool isReachedEdge();
+    void scaleSpeed(f32 scale);
+    bool isReachedGoal() const;
+    bool isReachedRailEnd() const;
+    bool isReachedRailStart() const;
+    bool isReachedEdge() const;
 
     const Rail* getRail() const { return mRail; }