diff --git a/include/config.h b/include/config.h
index 3371af74..4a3f5849 100644
--- a/include/config.h
+++ b/include/config.h
@@ -77,7 +77,7 @@
 // 1 is similar to vanilla, but prevents Mario from moving in the wrong direction, and allows finer control with the analog stick.
 // 2 is similar to mode 1, but a bit further from vanilla, and allows instant turnaround if Mario is moving slower than a certain threshold.
 // 3 is instant turning to the intended direction regardless of speed and angle.
-// 4 is an expeimental asymptotic turn.
+// 4 is an experimental asymptotic turn.
 #define GROUND_TURN_MODE 0
 // Improved hanging:
 // - Doesn't require holding down the A button
@@ -105,7 +105,7 @@
 #define HANGING_FIX
 // The last frame that will be considered a firsty when wallkicking
 #define FIRSTY_LAST_FRAME 1
-// The maximum angle the player can wall kick, in degrees. 0..90
+// The maximum angle the player can wall kick, in degrees. 0..90. To allow 45 degree wall kicks, you must supply `46` to allow 45 and under.
 #define WALL_KICK_DEGREES 45
 // Disable BLJs and crush SimpleFlips's dreams
 //#define DISABLE_BLJ
@@ -131,7 +131,7 @@
 // Allow for retries on collecting the remaining blue coins from a blue coin switch
 #define BLUE_COIN_SWITCH_RETRY
 // Fixes shell cancel
-#define SHELL_CANCEL_FIX
+//#define SHELL_CANCEL_FIX
 // The number of chain balls the Chain Chomp has.  Vanilla is 5.
 #define CHAIN_CHOMP_NUM_SEGMENTS 5
 // The number of parts Pokey has, including the head. Vanilla is 5, max is 30.
diff --git a/src/engine/math_util.c b/src/engine/math_util.c
index be4018dd..6fcf1376 100644
--- a/src/engine/math_util.c
+++ b/src/engine/math_util.c
@@ -29,7 +29,7 @@ Vec3i gVec3iZero = {     0,     0,     0 };
 Vec3s gVec3sOne  = {     1,     1,     1 };
 
 /// From Wiseguy
-static inline s32 roundf(f32 in) {
+static inline s32 asm_roundf(f32 in) {
     f32 tmp;
     s32 out;
     __asm__("round.w.s %0,%1" : "=f" (tmp) : "f" (in));
@@ -37,14 +37,18 @@ static inline s32 roundf(f32 in) {
     return out;
 }
 
-// static inline float absf(float in) {
-//     f32 out;
-//     __asm__("abs.s %0,%1" : "=f" (out) : "f" (in));
-//     return out;
-// }
+f32 roundf(f32 x) {
+    return asm_roundf(x);
+}
+
+static inline float asm_absf(float in) {
+    f32 out;
+    __asm__("abs.s %0,%1" : "=f" (out) : "f" (in));
+    return out;
+}
 
 f32 absf(f32 x) {
-    return ABSF(x);
+    return asm_absf(x);
 }
 
 /// Returns the lowest of three values.
diff --git a/src/engine/math_util.h b/src/engine/math_util.h
index 5262fb71..ed8baf98 100644
--- a/src/engine/math_util.h
+++ b/src/engine/math_util.h
@@ -449,6 +449,7 @@ extern f32 gSineTable[];
     }                                   \
 }
 
+f32 roundf(f32 x);
 f32 absf(f32 x);
 s32 min_3i(s32 a0, s32 a1, s32 a2);
 f32 min_3f(f32 a0, f32 a1, f32 a2);
diff --git a/src/game/behaviors/pokey.inc.c b/src/game/behaviors/pokey.inc.c
index 4d6b39c7..150d6feb 100644
--- a/src/game/behaviors/pokey.inc.c
+++ b/src/game/behaviors/pokey.inc.c
@@ -143,7 +143,7 @@ static void pokey_act_uninitialized(void) {
     s32 i;
     s16 partModel;
 
-    if (o->oDistanceToMario < 4000.0f) {
+    if (o->oDistanceToMario < o->oDrawingDistance) {
         partModel = MODEL_POKEY_HEAD;
 
         for (i = 0; i < POKEY_NUM_SEGMENTS; i++) {
@@ -177,7 +177,7 @@ static void pokey_act_wander(void) {
 
     if (o->oPokeyNumAliveBodyParts == POKEY_PART_BP_HEAD) {
         obj_mark_for_deletion(o);
-    } else if (o->oDistanceToMario > 4500.0f) {
+    } else if (o->oDistanceToMario > (o->oDrawingDistance + 500.0f)) {
         o->oAction = POKEY_ACT_UNLOAD_PARTS;
         o->oForwardVel = 0.0f;
     } else {
diff --git a/src/game/camera.c b/src/game/camera.c
index 8d6943f9..6a3cf85d 100644
--- a/src/game/camera.c
+++ b/src/game/camera.c
@@ -896,13 +896,7 @@ void radial_camera_move(struct Camera *c) {
 
     // How much the camera's yaw changed
     s16 yawOffset = calculate_yaw(sMarioCamState->pos, c->pos) - atan2s(areaDistZ, areaDistX);
-
-    if (yawOffset > maxAreaYaw) {
-        yawOffset = maxAreaYaw;
-    }
-    if (yawOffset < minAreaYaw) {
-        yawOffset = minAreaYaw;
-    }
+    yawOffset = CLAMP(yawOffset, minAreaYaw, maxAreaYaw);
 
     // Check if Mario stepped on a surface that rotates the camera. For example, when Mario enters the
     // gate in BoB, the camera turns right to face up the hill path
@@ -3874,23 +3868,16 @@ s32 clamp_positions_and_find_yaw(Vec3f pos, Vec3f origin, f32 xMax, f32 xMin, f3
 /**
  * The yaw passed here is the yaw of the direction FROM Mario TO Lakitu.
  *
- * wallYaw always has 90 degrees added to it before this is called -- it's parallel to the wall.
- *
  * @return the new yaw from Mario to rotate towards.
- *
- * @warning this is jank. It actually returns the yaw that will rotate further INTO the wall. So, the
- *          developers just add 180 degrees to the result.
  */
 s32 calc_avoid_yaw(s16 yawFromMario, s16 wallYaw) {
-    s16 yawDiff = wallYaw - yawFromMario + DEGREES(90);
-
-    if (yawDiff < 0) {
+    if (yawFromMario < (s16)(wallYaw + DEGREES(180))) {
         // Deflect to the right
-        yawFromMario = wallYaw;
+        yawFromMario = wallYaw + DEGREES(90);
     } else {
         // Note: this favors the left side if the wall is exactly perpendicular to the camera.
         // Deflect to the left
-        yawFromMario = wallYaw + DEGREES(180);
+        yawFromMario = wallYaw - DEGREES(90);
     }
     return yawFromMario;
 }
@@ -6118,7 +6105,7 @@ void resolve_geometry_collisions(Vec3f pos) {
 s32 rotate_camera_around_walls(UNUSED struct Camera *c, Vec3f cPos, s16 *avoidYaw, s16 yawRange) {
     struct WallCollisionData colData;
     struct Surface *wall;
-    s16 wallYaw, horWallNorm;
+    s16 wallYaw;
     // The yaw of the vector from Mario to the camera.
     s16 yawFromMario;
     s32 status = 0;
@@ -6156,10 +6143,9 @@ s32 rotate_camera_around_walls(UNUSED struct Camera *c, Vec3f cPos, s16 *avoidYa
                     status = 1;
                     wall = colData.walls[colData.numWalls - 1];
                     // wallYaw is parallel to the wall, not perpendicular
-                    wallYaw = atan2s(wall->normal.z, wall->normal.x) + DEGREES(90);
-                    // Calculate the avoid direction. The function returns the opposite direction so add 180
-                    // degrees.
-                    *avoidYaw = calc_avoid_yaw(yawFromMario, wallYaw) + DEGREES(180);
+                    wallYaw = SURFACE_YAW(wall);
+                    // Calculate the avoid direction. The function returns the opposite direction so add 180 degrees.
+                    *avoidYaw = calc_avoid_yaw(yawFromMario, wallYaw);
                 }
             }
 
@@ -6172,8 +6158,7 @@ s32 rotate_camera_around_walls(UNUSED struct Camera *c, Vec3f cPos, s16 *avoidYa
 
             if (find_wall_collisions(&colData) != 0) {
                 wall = colData.walls[colData.numWalls - 1];
-                horWallNorm = atan2s(wall->normal.z, wall->normal.x);
-                wallYaw = horWallNorm + DEGREES(90);
+                wallYaw = SURFACE_YAW(wall);
                 // If Mario would be blocked by the surface, then avoid it
                 if ((is_range_behind_surface(sMarioCamState->pos, cPos, wall, yawRange, SURFACE_WALL_MISC) == 0)
                     && (is_behind_surface(sMarioCamState->pos, wall))
@@ -6181,8 +6166,8 @@ s32 rotate_camera_around_walls(UNUSED struct Camera *c, Vec3f cPos, s16 *avoidYa
                     && (!is_surf_within_bounding_box(wall, -1.f, 150.f, -1.f))) {
                     // Calculate the avoid direction. The function returns the opposite direction so add 180
                     // degrees.
-                    *avoidYaw = calc_avoid_yaw(yawFromMario, wallYaw) + DEGREES(180);
-                    camera_approach_s16_symmetric_bool(avoidYaw, horWallNorm, yawRange);
+                    *avoidYaw = calc_avoid_yaw(yawFromMario, wallYaw);
+                    camera_approach_s16_symmetric_bool(avoidYaw, wallYaw, yawRange);
                     status = 3;
                     step = 8;
                 }
diff --git a/src/game/mario_step.c b/src/game/mario_step.c
index ef4618e3..2facbcc2 100644
--- a/src/game/mario_step.c
+++ b/src/game/mario_step.c
@@ -685,15 +685,6 @@ s32 perform_air_step(struct MarioState *m, u32 stepArg) {
     vec3f_copy(m->marioObj->header.gfx.pos, m->pos);
     vec3s_set(m->marioObj->header.gfx.angle, 0, m->faceAngle[1], 0);
 
-    /*if (stepResult == AIR_STEP_HIT_WALL && m->wall != NULL) {
-        wallDYaw = abs_angle_diff(atan2s(m->wall->normal.z, m->wall->normal.x), m->faceAngle[1]);
-        if ((stepArg & AIR_STEP_CHECK_BONK) && (wallDYaw > DEGREES(180 - WALL_KICK_DEGREES))) {
-            if (m->forwardVel > 16.0f) {
-                mario_bonk_reflection(m, (stepArg & AIR_STEP_BONK_NEGATE_SPEED), m->wall);
-            }
-        }
-    }*/
-
     return stepResult;
 }
 
diff --git a/src/game/object_helpers.c b/src/game/object_helpers.c
index f755c750..e54bf38b 100644
--- a/src/game/object_helpers.c
+++ b/src/game/object_helpers.c
@@ -244,15 +244,15 @@ void obj_set_held_state(struct Object *obj, const BehaviorScript *heldBehavior)
 }
 
 f32 lateral_dist_between_objects(struct Object *obj1, struct Object *obj2) {
-    f32 lateralDist;
-    vec3f_get_lateral_dist(&obj1->oPosVec, &obj2->oPosVec, &lateralDist);
-    return lateralDist;
+    register f32 dx = (obj2->oPosX - obj1->oPosX);
+    register f32 dz = (obj2->oPosZ - obj1->oPosZ);
+    return sqrtf(sqr(dx) + sqr(dz));
 }
 
 f32 dist_between_objects(struct Object *obj1, struct Object *obj2) {
-    f32 dist;
-    vec3f_get_dist(&obj1->oPosVec, &obj2->oPosVec, &dist);
-    return dist;
+    register Vec3f d;
+    vec3_diff(d, &obj2->oPosVec, &obj1->oPosVec);
+    return vec3_mag(d);
 }
 
 void cur_obj_forward_vel_approach_upward(f32 target, f32 increment) {