A set of updates

- add object door
- refactor log
- etc

entity.lua

@@ -47,15 +47,15 @@ local function draw_line(l)
     end
 end
 
-function m:draw()
+function m:draw_lines(lines)
     love.graphics.push('all')
     love.graphics.translate(self.x, self.y)
     love.graphics.setLineWidth(3)
 
-    if type(self.lines[1]) == 'string' then
-        draw_line(self.lines)
+    if type(lines[1]) == 'string' then
+        draw_line(lines)
     else
-        for _, l in ipairs(self.lines) do
+        for _, l in ipairs(lines) do
             draw_line(l)
         end
     end
@@ -63,4 +63,14 @@ function m:draw()
     love.graphics.pop()
 end
 
+function m:draw()
+    self:draw_lines(self.lines)
+end
+
+function m:install(room, x, y)
+    local e = self:new()
+    e:setpos(x, y)
+    room:insert(e)
+end
+
 return m

export.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
 
 rm garden.love
-zip -r garden.love res/ room/ item/ *.lua
+zip -r garden.love res/ room/ obj/ item/ *.lua
 cp garden.love ~/storage/downloads/

item.lua

@@ -26,6 +26,8 @@ end
 function m:itemMode()
     self.mousepressed = window.mousepressed(function (self, x, y, button)
         log:info(self)
+        inventory.selected_item = self
+        log:format("selected idx : %s", inventory.selected_item.idx)
     end)
 end
 

item/key.lua

@@ -0,0 +1,20 @@
+local window = require('window')
+local item = require('item')
+
+-- A key.
+local k = item:from{
+    width = 20,
+    height = 20,
+    lines = {
+        {'fill', {0, 0, 0, 5, 5, 5, 5, 0}},
+        {'line', {5, 5, 20, 20}},
+        {'line', {10, 10, 5, 15}},
+        {'line', {15, 15, 10, 20}},
+    },
+
+    name = "key",
+    description = "A key for locked containers with varying volume",
+    code = 0,
+}
+
+return k

items.lua

@@ -1,5 +0,0 @@
-local m = {
-    ['crowbar'] = require('item/crowbar')
-}
-
-return m

main.lua

@@ -1,4 +1,5 @@
 -- Imports
+local util = require("util")
 local window = require("window")
 local button = require("button")
 local rooms = require("rooms")
@@ -29,23 +30,31 @@ inventory = {
     x = 0, y = 0,
     width = screen.width,
     height = 60,
-    items = {}
+    selected_item = nil,
+    items = {},
 }
 
 inventory.mousepressed = window.propagate{'items'}
 
 inventory.draw = window.draw(function (self)
-    local x = 0
-    for _, item in pairs(self.items) do
-        item:setpos(x, 0)
+    for i, item in pairs(self.items) do
+        if self.selected_item and self.selected_item.idx == i then
+            love.graphics.circle('line', 60*i - 30, 30, 25)
+        end
+
         item:draw()
-        x = item.width
     end
+
     window.draw_border(self.width, self.height)
 end)
 
 function inventory:pickup(item)
-    table.insert(self.items, item)
+    util.add_entity(self.items, item)
+
+    local x = (#self.items - 1) * 60 + (60 - item.width) / 2
+    local y = (60 - item.height) / 2
+
+    item:setpos(x, y)
 end
 
 log = {
@@ -55,44 +64,39 @@ log = {
     lines = {},
 }
 
-log.limit = log.width - 10
-
 local font = love.graphics.getFont()
 local font_height = font:getHeight('L')
 local line_limit = log.height / font_height
 
+log.limit = log.width - 10
+
 log.draw = window.draw(function (self)
-    local i = 0
-    for _, l in ipairs(self.lines) do
-        local rw, wl = font:getWrap(l, self.limit)
+    local h = 0
+    for i, l in ipairs(self.lines) do
         local th = font:getHeight(l)
-        love.graphics.printf(l, 5, 5 + i*th, self.limit)
-        i = i + #wl
+        love.graphics.printf(l, 5, 5 + h, self.limit)
+        h = h + th
     end
 
     window.draw_border(self.width, self.height)
 end)
 
 function log:log(str)
-    table.insert(self.lines, str)
+    local rw, wl = font:getWrap(str, self.limit)
 
-    local i = 0
-    for _, l in ipairs(self.lines) do
-        local rw, wl = font:getWrap(l, self.limit)
-        local th = font:getHeight(l)
-        i = i + #wl
+    for _, l in ipairs(wl) do
+        table.insert(self.lines, l)
     end
 
-    while i > line_limit do
-        local l = self.lines[1]
-        local rw, wl = font:getWrap(l, self.limit)
-        local th = font:getHeight(l)
-
-        i = i - #wl
+    while #self.lines > line_limit do
         table.remove(self.lines, 1)
     end
 end
 
+function log:format(...)
+    log:log(string.format(...))
+end
+
 function log:info(o)
     if o._t == 'item' then
         self:log(string.format("It's %s. %s", o.name, o.description))
@@ -116,6 +120,7 @@ end
 
 function love.mousepressed(x, y, button)
     local x, y = (x - mw) / MULTIPLIER, (y - mh) / MULTIPLIER
+
     screen:mousepressed(x, y, button)
     inventory:mousepressed(x, y, button)
 end

obj/door.lua

@@ -0,0 +1,50 @@
+local window = require('window')
+local entity = require('entity')
+
+local locked_door = {
+    {'fill', {0, 0, 0, 120, 60, 120, 60, 0}},
+    {'fill', {10, 10, 50, 10, 50, 50, 10, 50}},
+    {'line', {30, 10, 30, 50}},
+    {'line', {10, 30, 50, 30}},
+}
+
+local open_door = {
+    {'fill', {0, 0, 0, 120, 60, 120, 60, 0}},
+}
+
+local m = entity:from{
+    width = 60,
+    height = 120,
+    locked = true,
+    code = 0,
+}
+
+function m:draw()
+    if self.locked then
+        self:draw_lines(locked_door)
+    else
+        self:draw_lines(open_door)
+    end
+end
+
+m.mousepressed = window.mousepressed(function (self)
+    if self.locked then
+        local i = inventory.selected_item
+        if i and i.code then
+            if i.code == self.code then
+                self.locked = false
+                log:log("Door opened.")
+            else
+                log:log("This seems not a matching key.")
+                inventory.selected_item = nil
+            end
+        else
+            log:log("It's locked.")
+        end
+    else
+        log:format("You enter %s", self.destination)
+        set_room(self.destination)
+    end
+end)
+
+return m

room.lua

@@ -6,12 +6,20 @@ local entity = require('entity')
 -- - objects
 -- - edges
 local room = entity:from{
-    x = 0, y = 0,
     background = love.graphics.newImage("res/defaultbg.png"),
     edges = {},
     objects = {},
 }
 
+local oldnew = room.new
+function room:new()
+    local r = oldnew(room)
+    r.edges = {}
+    r.objects = {}
+
+    return r
+end
+
 function room:insert(obj)
     table.insert(self.objects, obj)
     obj.idx = #self.objects

room/default.lua

@@ -4,12 +4,10 @@ local crowbar = require('item/crowbar')
 
 local r = room:new()
 
-r.background = love.graphics.newImage("res/defaultbg.png")
-
 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")
+edge:set(r, 'right', "doortest")
 
 return r

room/doortest.lua

@@ -0,0 +1,17 @@
+local room = require('room')
+local door = require('obj/door')
+local key = require('item/key')
+
+local r = room:new()
+
+door:from{
+    destination = "default",
+    locked = true,
+    code = 45100,
+}
+    :install(r, 40, 80)
+
+key:from{ code = 45100 }
+    :install(r, 180, 160)
+
+return r

rooms.lua

@@ -1,5 +1,6 @@
 local m = {
     ['default'] = require('room/default'),
+    ['doortest'] = require('room/doortest'),
 }
 
 return m

util.lua

@@ -21,4 +21,17 @@ function m.inside(px, py, x, y, w, h)
     m.between(py, y, y+h)
 end
 
+function m.add_entity(a, x)
+    table.insert(a, x)
+    x.idx = #a
+end
+
+function m.del_entity(a, x)
+    table.remove(a, x)
+
+    for i, v in ipairs(a) do
+        v.idx = i
+    end
+end
+
 return m