areas

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}