Ifdef several collision changes from vanilla + improved debug free move

include/config/config_collision.h

@@ -4,6 +4,18 @@
  * COLLISION SETTINGS *
  **********************/
 
+/**
+ * Improves the handling of convex wall corners by rounding wall collision at triangle edges to close the seams.
+ * Also properly handles simultaneous collisions with multiple walls (eg. concave wall corners or narrow tunnels).
+ */
+#define ROUNDED_WALL_CORNERS
+
+/**
+ * Fixes an issue where entering an area above a ceiling without an intermediate floor would count as hitting a ceiling.
+ * NOTE: This may allow Mario to clip through the wall on the deck of the the rocking JRB ship.
+ */
+#define FIX_EXPOSED_CEILINGS
+
 /**
  * Reduces some find_floor calls, at the cost of some barely noticeable smoothness in Mario's visual movement in a few actions at higher speeds.
  * The defined number is the forward speed threshold before the change is active, since it's only noticeable at lower speeds.

include/config/config_movement.h

@@ -113,6 +113,11 @@
  */
 #define DONT_LEDGE_GRAB_STEEP_SLOPES
 
+/**
+ * Disables bonking on sloped ceilings by separating the handling of ceiling interactions and wall interactions.
+ */
+#define DISABLE_CEILING_BONKS
+
 /**
  * Buffers an A input if you jump off a slope during the landing lag
  */
@@ -128,7 +133,7 @@
  */
 // #define WATER_PLUNGE_UPWARP
 
-/** 
+/**
  * This bug allows mario to move when initiating a dialog,
  * just as long as mario doesn't enter an action that can
  * be interrupted with text

include/surface_terrains.h

@@ -257,6 +257,7 @@ enum SurfaceFlags {
     SURFACE_FLAGS_NONE            = (0 << 0), // 0x0000
     SURFACE_FLAG_DYNAMIC          = (1 << 0), // 0x0001
     SURFACE_FLAG_NO_CAM_COLLISION = (1 << 1), // 0x0002
+    SURFACE_FLAG_X_PROJECTION     = (1 << 3), // 0x0008
 };
 
 // These are effectively unique "surface" types like those defined higher