areas

ReadMe.md

@@ -21,6 +21,11 @@ used by this program. An array called `offset` will adjust the positioning of
 labels. An array called `color` will set the color via 0 to 1 RGBA values
 (node only).
 
+Added `areas` which are exactly like nodes except that they always draw a white
+label and can have a custom radius specified. Drawn between edges and nodes.
+Use transparency. 25% works well.
+- TODO Options: box instead of circle, line instead of fill, ovals
+
 ## Example JSON
 
 ```json

map.json

@@ -28,13 +28,17 @@
     "village crossroad": [130, 101, 296, false, {"notes": "insignificant"}],
     "Second Farm original route corner": [-180, 69, -30, false],
     "Second Farm original route corner 2": [-202, 79, -169, false],
-    "cherry blossum divergence point": [-332, 104, -423],
+    "cherry blossum divergence point": [-332, 104, -423, false],
-    "original farm worldborder deadend": [-346, 109, -456],
+    "original farm worldborder deadend": [-346, 109, -456, false],
     "Cherry Point": [-480, 104, -404, true, {"color": [1, 0.67, 0.67, 1]}],
-    "unnamed beach point": [-376, 63, -313],
+    "unnamed beach point": [-376, 63, -313, false],
-    "unnamed summit curve point": [-387, 119, -229],
+    "unnamed summit curve point": [-387, 119, -229, false],
     "unnamed summit": [-408, 130, -251],
-    "Sugarcane Point": [-161, 62, -365, true, {"color": [0.75, 1, 0.25, 1]}]
+    "Sugarcane Point": [-161, 62, -365, true, {"color": [0.75, 1, 0.25, 1]}],
+    "original border 1": [-500, 0, -500, false],
+    "original border 2": [-500, 0, 500, false],
+    "original border 3": [500, 0, 500, false],
+    "original border 4": [500, 0, -500, false]
   },
   "edges": [
     ["tree farm north", "Second Farm", null, {"offset": [0, -12]}],
@@ -63,6 +67,14 @@
     ["Cherry Point", "cherry blossum divergence point"],
     ["unnamed summit curve point", "unnamed beach point"],
     ["unnamed summit curve point", "unnamed summit", null, {"offset": [-14, 10]}],
-    ["Sugarcane Point", "Second Farm"]
+    ["Sugarcane Point", "Second Farm"],
-  ]
+    ["original border 2", "original border 1", "original border (west)"],
+    ["original border 1", "original border 4", "original border (north)"],
+    ["original border 4", "original border 3", "original border (east)"],
+    ["original border 3", "original border 2", "original border (south)"]
+  ],
+  "areas": {
+    "unnamed ocean": [600, 64, -150, true, {"radius": 300, "color": [0, 0, 1, 0.25]}],
+    "Farm Region": [-230, 80, -100, true, {"radius": 230, "color": [0, 0.5, 0, 0.15], "offset": [-60, 0]}]
+  }
 }

src/main.lua

@@ -12,7 +12,7 @@ local scale_fix_translation_adjustment = 300 -- this is wrong, and the wrong way
 
 
 
-local nodes, edges, minimums, maximums, scale, translation
+local nodes, edges, areas, minimums, maximums, scale, translation
 local function load_map(map_file_name)
   local file, text
   if type(map_file_name) == "string" then
@@ -20,6 +20,7 @@ local function load_map(map_file_name)
     if not file then
       nodes = {}
       edges = {}
+      areas = {}
       minimums = {0, 0}
       maximums = {100, 100}
       scale = 1
@@ -34,8 +35,9 @@ local function load_map(map_file_name)
   end
 
   local map = json.decode(text)
-  nodes = map.nodes
+  nodes = map.nodes or {}
   edges = map.edges or {}
+  areas = map.areas or {}
 
   -- find map size
   minimums = {math.huge, math.huge}   -- x, z
@@ -99,6 +101,40 @@ function love.draw()
     end
   end
 
+  for name, area in pairs(areas) do
+    local color = area[5] and area[5].color or {1, 1, 1, 0.25}
+    love.graphics.setColor(color)
+    if not (area[4] == false) then
+      local radius = area[5] and area[5].radius or node_radius
+      love.graphics.circle("fill", area[1], area[3], radius)
+    end
+
+    if area[4] then
+      if type(area[4]) == "string" then
+        name = area[4]
+      end
+
+      local text_x, text_z = area[1] + node_radius / scale, area[3] + node_radius / scale
+
+      local difference = area[1] + font:getWidth(name) - maximums[1]
+      if difference > 0 then
+        text_x = area[1] - (node_radius + difference) / scale
+      end
+
+      local difference = area[3] + font:getHeight() - maximums[2]
+      if difference > 0 then
+        text_z = area[3] - (node_radius + difference) / scale
+      end
+
+      if area[5] and area[5].offset then
+        text_x = text_x + area[5].offset[1] / scale
+        text_z = text_z + area[5].offset[2] / scale
+      end
+      love.graphics.setColor(1, 1, 1, 1)
+      love.graphics.print(name, text_x, text_z, 0, 1 / scale, 1 / scale)
+    end
+  end
+
   -- draw nodes and label them
   for name, node in pairs(nodes) do
     local color = node[5] and node[5].color or {1, 1, 1, 1}