--Red Range--
local _G = _G;

function RedRange_ActionButton_OnUpdate(self, elapsed)
local t = self.rangeTimer;
if (not t) then
return;
end
local rt = (self.redRangeTimer or 0) - elapsed;
if ((t == TOOLTIP_UPDATE_TIME) or (t <= 0) or (rt <= 0)) then
local newRange = false;
local id = self.action;
if ( ActionHasRange(id) and (IsActionInRange( id ) == 0)) then
newRange = true;
end
if ( self.redRangeFlag ~= newRange ) then
self.redRangeFlag = newRange;
-- print("Range transition for", id, rt);
RedRange_ActionButton_UpdateUsable(self);
end
self.redRangeTimer = TOOLTIP_UPDATE_TIME + 0.1;
else
self.redRangeTimer = rt;
end
end

function RedRange_ActionButton_UpdateUsable(self)
local id = self.action;
local isUsable, notEnoughMana = IsUsableAction(id)
if (isUsable) then
if (ActionHasRange(id) and IsActionInRange(id) == 0) then
local name = self:GetName();
local icon = _G[name.."Icon"];
local normalTexture = _G[name.."NormalTexture"];

icon:SetVertexColor(0.8, 0.1, 0.1);
normalTexture:SetVertexColor(0.8, 0.1, 0.1);
self.redRangeRed = true;
return;
elseif (self.redRangeRed) then
local name = self:GetName();
local icon = _G[name.."Icon"];
local normalTexture = _G[name.."NormalTexture"];

icon:SetVertexColor(1.0, 1.0, 1.0);
normalTexture:SetVertexColor(1.0, 1.0, 1.0);
self.redRangeRed = false;
end
elseif (notEnoughMana) then
local name = self:GetName();
local icon = _G[name.."Icon"];
local normalTexture = _G[name.."NormalTexture"];

icon:SetVertexColor(0.1, 0.3, 1.0);
normalTexture:SetVertexColor(0.1, 0.3, 1.0);
return;
end
end

hooksecurefunc("ActionButton_OnUpdate",
RedRange_ActionButton_OnUpdate);
hooksecurefunc("ActionButton_UpdateUsable",
RedRange_ActionButton_UpdateUsable);
hooksecurefunc("ActionButton_Update",
RedRange_ActionButton_UpdateUsable);

#707