Feature: Rock and snowy rock overlays

Author: zephyris

ogfxe_extra.pnml

@@ -24,6 +24,7 @@
 #include "sprites/extra/extra-openttd-airport-preview.pnml"
 #include "sprites/extra/extra-openttd-recolour.pnml"
 #include "sprites/extra/extra-road-waypoints.pnml"
+#include "sprites/extra/extra-overlay-rocks.pnml"
 
 #include "sprites/extra/extra-plus-canals.pnml"
 #include "sprites/extra/extra-plus-locks.pnml"

sprites/extra/extra-overlay-rocks.pnml

@@ -0,0 +1,7 @@
+replacenew (OVERLAY_ROCKS, "sprites/png/terrain/rocks-overlay.png") {
+	tmpl_groundtiles(1,   1)
+	tmpl_groundtiles(1,  97)
+	tmpl_groundtiles(1, 145)
+	tmpl_groundtiles(1, 193)
+	tmpl_groundtiles(1,  49)
+}