Clarify vehicle ticking and fix some func spellings (#781)

* Update cpu_vehicles_camera_path.c

* fix spelling

* renames

include/path.h

@@ -34,7 +34,7 @@ extern TrackPathPoint* gTrackRightPaths[];
  **/
 // PathPoint types?
 extern s16* gTrackSectionTypes[];
-// Based on analyse_angle_path this may be angles between path point
+// Based on analyze_path_angle this may be angles between path point
 // gPathExpectedRotation[i] = atan2(path_point_i, path_point_i+1)?
 extern s16* gPathExpectedRotation[];
 // No idea. Adjacency list?

src/cpu_vehicles_camera_path.c

@@ -1321,15 +1321,17 @@ void update_vehicles(void) {
 
     if (gCurrentCourseId == COURSE_AWARD_CEREMONY) {
         for (i = 0; i < 7; i++) {
-            func_8000DF8C(i);
+            update_bomb_karts(i);
         }
         return;
     }
 
+    // update_vehicles is ran twice per frame.
+    // This makes vehicles only tick once per frame.
     if (D_8016337C & 1) {
         if (gModeSelection == VERSUS) {
             for (i = 0; i < 7; i++) {
-                func_8000DF8C(i);
+                update_bomb_karts(i);
             }
         }
 #if !ENABLE_CUSTOM_COURSE_ENGINE
@@ -2037,9 +2039,9 @@ void init_course_path_point(void) {
         if (gSizePath[i] >= 2) {
             load_track_path(i);
             calculate_track_boundaries(i);
-            analize_track_section(i);
-            analyse_angle_path(i);
-            analisze_curved_path(i);
+            analyze_track_sections(i);
+            analyze_path_angle(i);
+            analyze_curved_path(i);
         }
     }
 

src/cpu_vehicles_camera_path.h

@@ -149,7 +149,7 @@ s16 func_8000D6D0(Vec3f, s16*, f32, f32, s16, s16);
 s16 func_8000D940(Vec3f, s16*, f32, f32, s16);
 s16 update_vehicle_following_path(Vec3f, s16*, f32);
 void set_bomb_kart_spawn_positions(void);
-void func_8000DF8C(s32);
+void update_bomb_karts(s32);
 
 s32 add_actor_in_unexpired_actor_list(s32, s16);
 s32 add_red_shell_in_unexpired_actor_list(s32);
@@ -168,10 +168,10 @@ void init_players(void);
 void load_track_path(s32);
 void calculate_track_boundaries(s32);
 f32 calculate_track_curvature(s32, u16);
-void analize_track_section(s32);
+void analyze_track_sections(s32);
 s16 calculate_angle_path(s32, s32);
-void analyse_angle_path(s32);
-void analisze_curved_path(s32);
+void analyze_path_angle(s32);
+void analyze_curved_path(s32);
 f32 func_80010F40(f32, f32, f32, s32, s32);
 f32 func_80010FA0(f32, f32, f32, s32, s32);
 

src/cpu_vehicles_camera_path/bomb_kart.inc.c

@@ -56,7 +56,7 @@ void set_bomb_kart_spawn_positions(void) {
     }
 }
 
-void func_8000DF8C(s32 bombKartId) {
+void update_bomb_karts(s32 bombKartId) {
     UNUSED s32 stackPadding0;
     f32 sp118;
     f32 var_f18;

src/cpu_vehicles_camera_path/path_calc.inc.c

@@ -173,7 +173,7 @@ f32 calculate_track_curvature(s32 pathIndex, u16 pathPointIndex) {
     return -((firstVectorZ * secondVectorX) - (firstVectorX * secondVectorZ)) / (secondLength * firstLength);
 }
 
-void analize_track_section(s32 pathIndex) {
+void analyze_track_sections(s32 pathIndex) {
     f64 sectionCurvature;
     UNUSED s32 pad;
     s32 k;
@@ -248,7 +248,7 @@ s16 calculate_angle_path(s32 pathIndex, s32 pathPointIndex) {
 }
 
 // Populates gPathExpectedRotation
-void analyse_angle_path(s32 pathIndex) {
+void analyze_path_angle(s32 pathIndex) {
     s32 pathPointIndex;
     u16* angle;
 
@@ -260,7 +260,7 @@ void analyse_angle_path(s32 pathIndex) {
     }
 }
 
-void analisze_curved_path(s32 pathIndex) {
+void analyze_curved_path(s32 pathIndex) {
     s16* trackCurveCount;
     s16 curveCount;
     s16 temp_t0;