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[QuestHelper.git] / utility.lua

QuestHelper_File["utility.lua"] = "Development Version"
QuestHelper_Loadtime["utility.lua"] = GetTime()

QuestHelper = CreateFrame("Frame", "QuestHelper", nil)

local default_colour_theme =
  {message_prefix={0.4, 0.78, 1},
   message={1, 0.6, 0.2},
   tooltip={1, 0.8, 0.5},
   message_highlight={0.73, 1, 0.84},
   menu_text={1, 1, 1},
   menu_text_highlight={0, 0, 0},
   menu={0, 0, 0},
   menu_highlight={0.3, 0.5, 0.7}, 
   menu_title_text={1, 1, 1},
   menu_title_text_highlight={1, 1, 1},
   menu_title={0, 0.2, 0.6},
   menu_title_highlight={0.1, 0.4, 0.8}}

local xmas_colour_theme =
  {message_prefix={0.0, 0.7, 0.0},
   message={0.2, 1, 0.2},
   tooltip={0.4, 1, 0.4},
   message_highlight={1, 0.3, 0.1},
   menu_text={1, 1, 1},
   menu_text_highlight={0, 0, 0},
   menu={0.2, 0, 0},
   menu_highlight={1, 0.3, 0.3},
   menu_title_text={0.8, 1, 0.8},
   menu_title_text_highlight={1, 1, 1},
   menu_title={0.2, 0.6, 0.2},
   menu_title_highlight={0.4, 0.7, 0.4}}

function QuestHelper:GetColourTheme()
  if date("%b%d") == "Dec25" then
    return xmas_colour_theme
  end
  
  return default_colour_theme
end

QuestHelper.nop = function () end -- Who wouldn't want a function that does nothing?

function QuestHelper:HashString(text)
  -- Computes an Adler-32 checksum.
  local a, b = 1, 0
  for i=1,string.len(text) do
    a = (a+string.byte(text,i))%65521
    b = (b+a)%65521
  end
  return b*65536+a
end

function QuestHelper:CreateUID(length)
  local result = ""
  local characters = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
  for k = 1, (math.floor(GetTime() % 1000) + 5) do math.random() end   -- it's sort of like seeding. only worse.
  local base = GetUnitName("player")..":"..GetRealmName()..":"..math.random(0, 2147483647)..":"..GetTime()..":"..time()
  
  for c = 1,(length or 32) do
    local pos = 1+math.floor(self:HashString(result..base..math.random(0, 2147483647))%string.len(characters))
    result = result .. string.sub(characters, pos, pos)
  end
  
  return result
end

function QuestHelper:ZoneSanity()
  local sane = true
  
  for c in pairs(self.Astrolabe:GetMapVirtualContinents()) do
    local pz = self.Astrolabe:GetMapVirtualZones(c)
    pz[0] = true
    for z in pairs(pz) do
      local name
      
      if z == 0 then
        name = self.Astrolabe:GetMapVirtualContinents()[c]
      else
        name = self.Astrolabe:GetMapVirtualZones(c)[z]
      end
      
      assert(name)
      
      if QuestHelper_Zones[c][z] ~= name then
        sane = false
        QuestHelper:TextOut(string.format("'%s' has the wrong ID (should be %d,%d).", name, c, z))
      end
      
      local pair = QuestHelper_ZoneLookup[name]
      
      if not pair or c ~= pair[1] or z ~= pair[2] then
        sane = false
        QuestHelper:TextOut("ZoneLookup['"..name.."'] maps to wrong pair.")
      end
      
      local index = QuestHelper_IndexLookup[name]
      if QuestHelper_ZoneLookup[index] ~= pair then
        sane = false
        QuestHelper:TextOut("ZoneLookup['"..name.."'] isn't equal to ZoneLookup["..index.."]")
      end
      
      if not index or QuestHelper_NameLookup[index] ~= name then
        sane = false
        QuestHelper:TextOut("NameLookup["..(index or "???").."'] doesn't equal '"..name.."'")
      end
    end
  end
  
  return sane
end

function QuestHelper:TextOut(text)
  local theme = self:GetColourTheme()
  DEFAULT_CHAT_FRAME:AddMessage(string.format("|cff%2x%2x%2xQuestHelper: |r%s", theme.message_prefix[1]*255,
                                                                                theme.message_prefix[2]*255,
                                                                                theme.message_prefix[3]*255, text),
                                theme.message[1],
                                theme.message[2],
                                theme.message[3])
end

function QuestHelper:Error(what)
  --DEFAULT_CHAT_FRAME:AddMessage("QuestHelper Error: "..(what or "Unknown").."\n"..debugstack(2), 1,.5,0)
  QuestHelper_ErrorCatcher_ExplicitError(true, what or "Unknown", nil, nil)
  error("Abort!")
end

function QuestHelper:HighlightText(text)
  local theme = self:GetColourTheme()
  return string.format("|cff%2x%2x%2x%s|r", theme.message_highlight[1]*255,
                                            theme.message_highlight[2]*255,
                                            theme.message_highlight[3]*255, text)
end

function QuestHelper:GetUnitID(unit)
  local id = UnitGUID(unit)
  
  if id then
    return (string.sub(id, 5, 5) == "3") and tonumber(string.sub(id, 6, 12), 16) or nil
  end
  
  return nil
end

function QuestHelper:GetQuestID(index)
  return tonumber(select(3, string.find(GetQuestLink(index), "|Hquest:(%d+):")))
end

-- For future reference:
--  Hearthstone = 6948
--  Rune of Teleportation = 17031
--  Rune of Portals = 17032

function QuestHelper:CountItem(item_id)
  local count = 0
  
  for bag = 0,NUM_BAG_SLOTS do
    for slot = 1,GetContainerNumSlots(bag) do
      local link = GetContainerItemLink(bag, slot)
      if link and string.find(link, string.format("|Hitem:%d:", item_id)) then
        count = count + (select(2, GetContainerItemInfo(bag, slot)) or 0)
      end
    end
  end
  
  return count
end

function QuestHelper:ItemCooldown(item_id)
  local now = GetTime()
  local cooldown = nil
  
  for bag = 0,NUM_BAG_SLOTS do
    for slot = 1,GetContainerNumSlots(bag) do
      local link = GetContainerItemLink(bag, slot)
      if link and string.find(link, string.format("|Hitem:%d:", item_id)) then
        local s, d, e = GetContainerItemCooldown(bag, slot)
        if e then
          if cooldown then
            cooldown = math.min(cooldown, math.max(0, d-now+s))
          else
            cooldown = math.max(0, d-now+s)
          end
        else
          return 0
        end
      end
    end
  end
  
  return cooldown
end

function QuestHelper:TimeString(seconds)
  if not seconds then
    --self:AppendNotificationError("2008-10-8 nil-timestring")   -- we're just going to do away with this entirely, the fact is that a lot of this is going to be ripped to shreds soon anyway
    return "(unknown)"
  end
  
  local seconds = math.ceil(seconds)
  local h, m, s = math.floor(seconds/(60*60)), math.floor(seconds/60)%60, seconds%60
  if h > 0 then
    return string.format("|cffffffff%d|r:|cffffffff%02d|r:|cffffffff%02d|r", h, m, s)
  else
    return string.format("|cffffffff%d|r:|cffffffff%02d|r", m, s)
  end
end

function QuestHelper:ProgressString(str, pct)
  if pct > 1 then
    return string.format("|cff00ff00%s|r", str)
  elseif pct < 0 then
    return string.format("|cffff0000%s|r", str)
  elseif pct > 0.5 then
    return string.format("|cff%2xff00%s|r", 510-pct*510, str)
  else
    return string.format("|cffff%2x00%s|r", pct*510, str)
  end
end

function QuestHelper:PercentString(pct)
  if pct > 1 then
    return string.format("|cff00ff00%.1f%%|r", pct*100)
  elseif pct < 0 then
    return string.format("|cffff0000%.1f%%|r", pct*100)
  elseif pct > 0.5 then
    return string.format("|cff%2xff00%.1f%%|r", 510-pct*510, pct*100)
  else
    return string.format("|cffff%2x00%.1f%%|r", pct*510, pct*100)
  end
end

function QuestHelper:PlayerPosition()
  return self.i, self.x, self.y
end

function QuestHelper:UnitPosition(unit)
  local c, z, x, y = self.Astrolabe:GetUnitPosition(unit,true)
  if c then
    if z == 0 then
      SetMapToCurrentZone()
      z = GetCurrentMapZone()
      if z ~= 0 then
        x, y = self.Astrolabe:TranslateWorldMapPosition(c, 0, x, y, c, z)
      end
    end
    return QuestHelper_IndexLookup[c][z], x, y
  else
    return self:PlayerPosition()
  end
end

function QuestHelper:PlayerFaction()
  return UnitFactionGroup("player") == "Alliance" and 1 or 2
end

function QuestHelper:LocationString(i, x, y)
  return ("[|cffffffff%s|r:|cffffffff%d,%.3f,%.3f|r]"):format(QuestHelper_NameLookup[i] or "nil", i or -7777, x or -7777, y or -7777)
end
function QuestHelper:Location_RawString(delayed, c, z, x, y)
  return ("[|cffffffff%s/%s,%s,%s,%s|r]"):format(delayed and "D" or "c", c and string.format("%d", c) or tostring(c), z and string.format("%d", z) or tostring(z), x and string.format("%.3f", x) or tostring(x), y and string.format("%.3f", y) or tostring(y))
end
function QuestHelper:Location_AbsoluteString(delayed, c, x, y)
  return ("[|cffffffff%s/%s,%s,%s|r]"):format(delayed and "D" or "c", c and string.format("%d", c) or tostring(c), x and string.format("%.3f", x) or tostring(x), y and string.format("%.3f", y) or tostring(y))
end

function QuestHelper:Distance(i1, x1, y1, i2, x2, y2)
  local p1, p2 = QuestHelper_ZoneLookup[i1], QuestHelper_ZoneLookup[i2]
  return self.Astrolabe:ComputeDistance(p1[1], p1[2], x1, y1, p2[1], p2[2], x2, y2) or 10000
end

function QuestHelper:AppendPosition(list, index, x, y, w, min_dist)
  if not x or not y or (x == 0 and y == 0) or x <= -0.1 or y <= -0.1 or x >= 1.1 or y >= 1.1 then
    local nc, nz, nx, ny = self.Astrolabe:GetCurrentPlayerPosition()
    --self:AppendNotificationError("2008-10-6 nil-position", string.format("nilposition, %s %s %s %s vs %s %s", tostring(nc), tostring(nz), tostring(nx), tostring(ny), tostring(x), tostring(y)))  -- We're just not worrying about this too much anymore. Slash and burn.
    return list -- This isn't a real position.
  end
  
  local closest, distance = nil, 0
  w = w or 1
  min_dist = min_dist or 200
  
  for i, p in ipairs(list) do
    if index == p[1] then
      local d = self:Distance(index, x, y, p[1], p[2], p[3])
      if not closest or d < distance then
        closest, distance = i, d
      end
    end
  end
  
  if closest and distance < min_dist then
    local p = list[closest]
    p[2] = (p[2]*p[4]+x*w)/(p[4]+w)
    p[3] = (p[3]*p[4]+y*w)/(p[4]+w)
    p[4] = p[4]+w
  else
    table.insert(list, {index, x, y, w})
  end
  
  return list
end

function QuestHelper:PositionListDistance(list, index, x, y)
  local closest, distance = nil, 0
  for i, p in ipairs(list) do
    local d = self:Distance(index, x, y, p[1], p[2], p[3])
    if not closest or d < distance then
      closest, distance = p, d
    end
  end
  if closest then
    return distance, closest[1], closest[2], closest[3]
  end
end

function QuestHelper:PositionListDistance2(list, i1, x1, y1, i2, x2, y2)
  local closest, bd1, bd2, bdt = nil, 0, 0, 0
  for i, p in ipairs(list) do
    local d1 = self:Distance(i1, x1, y1, p[1], p[2], p[3])
    local d2 = self:Distance(i2, x2, y2, p[1], p[2], p[3])
    local t = d1+d2
    if not closest or t < bdt then
      closest, bd1, bd2, bdt = p, d1, d2, t
    end
  end
  if closest then
    return d1, d2, closest[1], closest[2], closest[3]
  end
end

function QuestHelper:MergePositions(list1, list2)
  for i, p in ipairs(list2) do
    self:AppendPosition(list1, unpack(p))
  end
end

function QuestHelper:MergeDrops(list1, list2)
  for element, count in pairs(list2) do
    list1[element] = (list1[element] or 0) + count
  end
end

function QuestHelper: Assert(a, b)  -- the space exists so the anti-assert script doesn't find it :D
  if not a then
    QuestHelper:Error(b or "Assertion Failed")
  end
end

function QuestHelper:StringizeTable(a)
  if not a then return "nil" end
  acu = tostring(self.recycle_tabletyping[a])..": "
  for i,v in pairs(a) do acu = acu.."["..tostring(i)..","..tostring(v).."] " end
  return acu
end

function QuestHelper:StringizeTableDouble(a)
  if not a then return "nil" end
  acu = tostring(self.recycle_tabletyping[a])..": "
  for i,v in pairs(a) do acu = acu.."["..self:StringizeTable(i)..","..self:StringizeTable(v).."] " end
  return acu
end

function QuestHelper:StringizeRecursive(a, d)
  if not a then return "nil" end
  if d <= 0 or type(a) ~= "table" then return tostring(a) end
  acu = tostring(self.recycle_tabletyping[a])..": "
  for i,v in pairs(a) do acu = acu.."["..self:StringizeRecursive(i, d - 1)..","..self:StringizeRecursive(v, d - 1).."] " end
  return acu
end

function QuestHelper:TableSize(tbl)
  local count = 0
  for k, v in pairs(tbl) do
    count = count + 1
  end
  return count
end

function QuestHelper:IsWrath()
  --return GetBuildInfo():sub(1,1) == '3' or GetBuildInfo() == "0.0.2" -- come on
  return true -- this had better be true :D
end

function QuestHelper:IsWrath32()
  return tonumber(GetBuildInfo():sub(3,3)) >= 2
end

function QuestHelper:AppendNotificationError(type, data)
  local terror = QuestHelper_ErrorPackage(2)
  terror.data = data
  QuestHelper_ErrorCatcher_RegisterError(type, terror)
end



function QuestHelper.CreateLoadingCounter()
  return {
    MakeSubcategory = function(self, weight)
      QuestHelper: Assert(not self.percentage)
      if not self.weighting then self.weighting = {} end
      local subcat = QuestHelper:CreateLoadingCounter()
      table.insert(self.weighting, {weight = weight, item = subcat})
      return subcat
    end,
    SetPercentage = function(self, percent)
      QuestHelper: Assert(not self.weighting)
      self.percentage = percent
    end,
    GetPercentage = function(self)
      if self.percentage then return self.percentage end
      if not self.weighting then return 0 end
      local total_weight = 0
      local total_value = 0
      for _, v in ipairs(self.weighting) do
        total_weight = total_weight + v.weight
        total_value = total_value + v.weight * v.item:GetPercentage()
      end
      return total_value / total_weight
    end
  }
end

local msgid = 0
function QH_fixedmessage(text)
  local msgtext = "QH_MSG_" .. msgid
  StaticPopupDialogs[msgtext] = {
    text = text,
    button1 = OKAY,
    OnAccept = function(self)
    end,
    timeout = 0,
    whileDead = 1,
    hideOnEscape = 1
  }
  
  StaticPopup_Show(msgtext)
end