From ef5fba6345cde284ca99fff910a8a139060a4521 Mon Sep 17 00:00:00 2001
From: "Marcus Str." <marcus@marstr.online>
Date: Thu, 6 Feb 2025 19:01:58 +0100
Subject: [PATCH] Added mechanism to remember the resource used in case
 affected water tiles needed re-rendering.

---
 defines.py      |  2 ++
 layergen.py     | 16 +++++++++++++---
 orthographic.py | 15 +++++++++------
 3 files changed, 24 insertions(+), 9 deletions(-)

diff --git a/defines.py b/defines.py
index de6c727..2d04335 100644
--- a/defines.py
+++ b/defines.py
@@ -129,6 +129,7 @@ mstr_ortho_layers = [
     ("highway", "residential", 4),
     ("highway", "primary", 6),
     ("highway", "secondary", 3),
+    ("highway", "trunk", 3)
     ("highway", "tertiary", 5),
     ("highway", "unclassified", 4),
     ("highway", "living_street", 3),
@@ -239,6 +240,7 @@ mstr_mask_blur = [
     # Z-Order 4
     ("highway", "motorway", 0.5),
     ("highway", "primary", 0.5),
+    ("highway", "trunk", 0.5),
     ("highway", "secondary", 0.5),
     ("highway", "tertiary", 0.5),
     ("highway", "unclassified", 0.5),
diff --git a/layergen.py b/layergen.py
index 6f040d7..988573d 100644
--- a/layergen.py
+++ b/layergen.py
@@ -67,9 +67,19 @@ class mstr_layergen:
         self._latlngfld = latlngfld
 
     # Set the resource to use
-    def set_resource(self, res):
-        self._resource = res
+    def load_resource(self):
+        self._resource = -1
+        fnlines = []
+        fn = mstr_datafolder + "z_orthographic/data/" + self._latlngfld + "/resdata"
+        with open(fn) as textfile:
+            fnlines = textfile.readlines()
+        for l in range(0, len(fnlines)):
+            linedata = fnlines[l].split(" ")
+            if linedata[0] == self._tag and linedata[1] == self._value:
+                self._resource = int(linedata[2])
+                break
 
+        
     # Tile info object
     def open_tile_info(self):
         self._tileinfo = mstr_tileinfo(self._latitude, self._longitude, self._lat_number, self._lng_number, self._latlngfld)
@@ -654,7 +664,7 @@ class mstr_layergen:
 
             
             # Highways and runways of any kind get some special treatment
-            if (self._tag == "highway" and self._value == "motorway") or (self._tag == "highway" and self._value == "primary") or (self._tag == "highway" and self._value == "secondary") or (self._tag == "highway" and self._value == "tertiary") or (self._tag == "aeroway" and self._value == "runway"):
+            if (self._tag == "highway" and self._value == "motorway") or (self._tag == "highway" and self._value == "primary") or (self._tag == "highway" and self._value == "secondary") or (self._tag == "highway" and self._value == "tertiary") or (self._tag == "aeroway" and self._value == "runway") or (self._tag == "highway" and self._value == "trunk"):
                 # We will now add some white lines for coolness
                 osm_edge = mask.filter(ImageFilter.FIND_EDGES)
                 mask_pix = osm_edge.load()
diff --git a/orthographic.py b/orthographic.py
index 3f5d316..cff1183 100644
--- a/orthographic.py
+++ b/orthographic.py
@@ -74,6 +74,14 @@ class mstr_orthographic:
             rs = [ l[0], l[1], randrange(1, 16) ]
             self._tile_resources.append(rs)
 
+        # Save to disk
+        fn = mstr_datafolder + "z_orthographic/data/" + self._latlngfld + "/resdata"
+        if os.path.isfile(fn) == False:
+            for rsd in range(0, len(self._tile_resources)):
+                line = self._tile_resources[rsd][0] + " " + self._tile_resources[rsd][1] + " " + str(self._tile_resources[rsd][2]) + "\r\n"
+                with open(fn, 'a') as textfile:
+                    textfile.write(line)
+
 
     # This will determine the vertical stepping in degrees in order to generate
     # masks with a 1:1 square ratio. This is important as X-Plane textures for
@@ -371,12 +379,7 @@ class mstr_orthographic:
                     lg.set_zoomlevel(self._zoomlevelfactor)
 
                     # Find resource to use
-                    rs = -1
-                    for r in self._tile_resources:
-                        if r[0] == layer[0] and r[1] == layer[1]:
-                            rs = r[2]
-                            break
-                    lg.set_resource(rs)
+                    lg.load_resource()
 
                     #lg.open_tile_info()
                     lyr = lg.genlayer(mask, osmxml)