Add edge

edge.lua

@@ -0,0 +1,70 @@
+local window = require('window')
+local entity = require('entity')
+
+-- 320x240
+local edge_data = {
+    up = {
+        x = 120,
+        y = 10,
+        width = 80,
+        height = 10,
+        lines = {{'fill', {0, 10, 80, 10, 40, 0}}},
+    },
+
+    down = {
+        x = 120,
+        y = 220,
+        width = 80,
+        height = 10,
+        lines = {{'fill', {0, 0, 80, 0, 40, 10}}},
+    },
+
+    left = {
+        x = 10,
+        y = 80,
+        width = 10,
+        height = 80,
+        lines = {{'fill', {10, 0, 10, 80, 0, 40}}},
+    },
+
+    right = {
+        x = 300,
+        y = 80,
+        width = 10,
+        height = 80,
+        lines = {{'fill', {0, 0, 0, 80, 10, 40}}},
+    }
+}
+
+local edge = entity:from{
+    dir = "up",
+    destination = "nowhere",
+
+    mousepressed = window.mousepressed(function (self)
+        log:log(string.format("You enter %s", self.destination))
+        set_room(self.destination)
+    end)
+}
+
+local mt = {
+    __index = function (t, k)
+        if edge_data[t.dir][k] then
+            return edge_data[t.dir][k]
+        else
+            return edge[k]
+        end
+    end
+}
+
+function edge:set(room, dir, dst)
+    local e = self:from{
+        dir = dir,
+        destination = dst,
+    }
+
+    setmetatable(e, mt)
+
+    table.insert(room.edges, e)
+end
+
+return edge

entity.lua

@@ -41,8 +41,8 @@ function m:draw()
         elseif mode == 'fill' then
             local ts = love.math.triangulate(segs)
             love.graphics.setColor(0, 0, 0)
-            for _, t in ipairs(ts) do
-                love.graphics.polygon('fill', ts)
+            for i, t in ipairs(ts) do
+                love.graphics.polygon('fill', t)
             end
 
             love.graphics.setColor(1, 1, 1)

main.lua

@@ -3,7 +3,11 @@ local window = require("window")
 local button = require("button")
 local rooms = require("rooms")
 
-local current_room = rooms['default']
+current_room = rooms['default']
+
+function set_room(r)
+    current_room = rooms[r]
+end
 
 screen = {
     x = 0, y = 60,

room.lua

@@ -50,8 +50,7 @@ function room:draw()
     end
 
     for i, v in ipairs(self.edges) do
-        local x, y = edge_position(v)
-        love.graphics.draw(edge_arrow[v.dir], x, y)
+        v:draw()
     end
 end
 

room/default.lua

@@ -1,10 +1,15 @@
 local room = require('room')
+local edge = require('edge')
+local crowbar = require('item/crowbar')
 
 local r = room:new()
 
 r.background = love.graphics.newImage("res/defaultbg.png")
 
-local crowbar = require('item/crowbar')
 crowbar:install(r, 100, 160)
+edge:set(r, 'up', "default")
+edge:set(r, 'down', "default")
+edge:set(r, 'left', "default")
+edge:set(r, 'right', "default")
 
 return r