Fix misc 10 (#1208)

* Cleanup around `Item_DropCollectible`

* Cleanup around `Math3D_Vec3fDistSq`, `Math3D_Dist2DSq`

* Material/Model naming for one dlist pair

* Minor comments fixup

* Explicit `!= NULL` check

* Signed decimal for an array of coordinates

* Fixup comments some more

3 files changed, 10 insertions, 10 deletions

diff --git a/src/code/fault.c b/src/code/fault.c
index e03c94d59..99a4a1ddf 100644
--- a/src/code/fault.c
+++ b/src/code/fault.c
@@ -1107,7 +1107,7 @@ void Fault_DisplayFrameBuffer(void) {
     osViSetSpecialFeatures(OS_VI_GAMMA_OFF | OS_VI_DITHER_FILTER_ON);
     osViBlack(false);
 
-    if (sFaultInstance->fb) {
+    if (sFaultInstance->fb != NULL) {
         fb = sFaultInstance->fb;
     } else {
         fb = osViGetNextFramebuffer();
diff --git a/src/code/z_collision_check.c b/src/code/z_collision_check.c
index 1f62b536c..7ccafebc4 100644
--- a/src/code/z_collision_check.c
+++ b/src/code/z_collision_check.c
@@ -858,7 +858,7 @@ s32 Collider_DestroyQuadDim(GlobalContext* globalCtx, ColliderQuadDim* dim) {
 }
 
 s32 Collider_ResetQuadACDist(GlobalContext* globalCtx, ColliderQuadDim* dim) {
-    dim->acDist = 1.0E38f;
+    dim->acDistSq = 1.0E38f;
     return true;
 }
 
@@ -959,16 +959,16 @@ s32 Collider_ResetQuadOC(GlobalContext* globalCtx, Collider* collider) {
  * otherwise returns false. Used on player AT colliders to prevent multiple collisions from registering.
  */
 s32 Collider_QuadSetNearestAC(GlobalContext* globalCtx, ColliderQuad* quad, Vec3f* hitPos) {
-    f32 acDist;
+    f32 acDistSq;
     Vec3f dcMid;
 
     if (!(quad->info.toucherFlags & TOUCH_NEAREST)) {
         return true;
     }
     Math_Vec3s_ToVec3f(&dcMid, &quad->dim.dcMid);
-    acDist = Math3D_Vec3fDistSq(&dcMid, hitPos);
-    if (acDist < quad->dim.acDist) {
-        quad->dim.acDist = acDist;
+    acDistSq = Math3D_Vec3fDistSq(&dcMid, hitPos);
+    if (acDistSq < quad->dim.acDistSq) {
+        quad->dim.acDistSq = acDistSq;
         if (quad->info.atHit != NULL) {
             Collider_ResetACBase(globalCtx, quad->info.atHit);
         }
diff --git a/src/code/z_horse.c b/src/code/z_horse.c
index 28fd9a904..56b877601 100644
--- a/src/code/z_horse.c
+++ b/src/code/z_horse.c
@@ -135,10 +135,10 @@ void func_8006D684(GlobalContext* globalCtx, Player* player) {
          gSaveContext.entranceIndex == 0x0292 || gSaveContext.entranceIndex == 0x0476) &&
         (gSaveContext.respawnFlag == 0)) {
         Vec3s spawnPositions[] = {
-            { 0xF46F, 0x0139, 0x1E14 },
-            { 0xF894, 0x0139, 0x1B67 },
-            { 0xF035, 0x0139, 0x1B15 },
-            { 0xF6F7, 0x0139, 0x1766 },
+            { -2961, 313, 7700 },
+            { -1900, 313, 7015 },
+            { -4043, 313, 6933 },
+            { -2313, 313, 5990 },
         };
 
         if (gSaveContext.entranceIndex == 0x028A) {