Hard upstream sync (#6951)

* maps - none of our changes included yet i'll get them in after i finish up the rest of the sync

* sync part 1 - underscore folders in code

* controllers folder

* datums folder

* game folder

* cmon, work

* modules - admin to awaymissions

* cargo to events

* fields to lighting

* mapping > ruins

* rest of the code folder

* rest of the folders in the root directory

* DME

* fixes compiling errors. it compiles so it works

* readds map changes

* fixes dogborg module select

* fixes typo in moduleselect_alternate_icon filepath

code/game/turfs/simulated/chasm.dm

@@ -28,6 +28,20 @@
 /turf/open/chasm/MakeDry()
 	return
 
+/turf/open/chasm/rcd_vals(mob/user, obj/item/construction/rcd/the_rcd)
+	switch(the_rcd.mode)
+		if(RCD_FLOORWALL)
+			return list("mode" = RCD_FLOORWALL, "delay" = 0, "cost" = 3)
+	return FALSE
+
+/turf/open/chasm/rcd_act(mob/user, obj/item/construction/rcd/the_rcd, passed_mode)
+	switch(passed_mode)
+		if(RCD_FLOORWALL)
+			to_chat(user, "<span class='notice'>You build a floor.</span>")
+			PlaceOnTop(/turf/open/floor/plating)
+			return TRUE
+	return FALSE
+
 /turf/open/chasm/get_smooth_underlay_icon(mutable_appearance/underlay_appearance, turf/asking_turf, adjacency_dir)
 	underlay_appearance.icon = 'icons/turf/floors.dmi'
 	underlay_appearance.icon_state = "basalt"
@@ -86,3 +100,19 @@
 	underlay_appearance.icon = 'icons/turf/floors.dmi'
 	underlay_appearance.icon_state = "dirt"
 	return TRUE
+
+//For Bag of Holding Bombs
+
+/turf/open/chasm/magic
+	name = "tear in the fabric of reality"
+	desc = "Where does it lead?"
+	icon = 'icons/turf/floors/magic_chasm.dmi'
+	baseturfs = /turf/open/chasm/magic
+	light_range = 1.9
+	light_power = 0.65
+
+/turf/open/chasm/magic/Initialize()
+	. = ..()
+	var/turf/T = safepick(get_area_turfs(/area/fabric_of_reality))
+	if(T)
+		set_target(T)

code/game/turfs/simulated/walls.dm

@@ -45,13 +45,10 @@
 	var/turf/p_turf = get_turf(P)
 	var/face_direction = get_dir(src, p_turf)
 	var/face_angle = dir2angle(face_direction)
-	var/incidence_s = WRAP(GET_ANGLE_OF_INCIDENCE(face_angle, P.Angle), -90, 90)
-	var/new_angle = face_angle + incidence_s
-	var/new_angle_s = new_angle
-	while(new_angle_s > 180)	// Translate to regular projectile degrees
-		new_angle_s -= 360
-	while(new_angle_s < -180)
-		new_angle_s += 360
+	var/incidence_s = GET_ANGLE_OF_INCIDENCE(face_angle, (P.Angle + 180))
+	if(abs(incidence_s) > 90 && abs(incidence_s) < 270)
+		return FALSE
+	var/new_angle_s = SIMPLIFY_DEGREES(face_angle + incidence_s)
 	P.setAngle(new_angle_s)
 	return TRUE