vanilla-wow-addons – Rev 1

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local gratuity = AceLibrary("Gratuity-2.0")
local spellcache = AceLibrary("SpellCache-1.0")

-- from SpellStatus-1.0 thanks :)
local function GetGratuitySpellData()
        local spellName = gratuity:GetLine(1)
        local spellRank = gratuity:GetLine(1, true)
        --empty slot?
        if (not spellName) then
                return
        end
        
        local sName = spellcache:GetSpellData(spellName, spellRank)
        if (sName) then
                return sName
        else
                return spellName
        end
end


function HotCandy:DoHooking()
        self:Hook("CastSpell")
        self:Hook("CastSpellByName")
        self:Hook("UseAction")
        self:Hook("SpellTargetUnit")
        self:Hook("TargetUnit")
        self:Hook("SpellStopTargeting")
        self:HookScript(WorldFrame, "OnMouseDown", "WFMouseDown")
end

function HotCandy:CastSpell(spellId, spellbookTabNum)
        self.hooks["CastSpell"](spellId, spellbookTabNum)
        if (spellbookType == BOOKTYPE_SPELL) then
                local sName = spellcache:GetSpellData(spellId)
                if SpellIsTargeting() then 
                        self.spell.Casting = sName
                        self:LevelDebug(3, "CastSpell", "Targeting", self.spell.Casting)
                else
                        self.spell.EndCast = sName
                        self.spell.Target = UnitName("target")
                        self:LevelDebug(3, "CastSpell", "~Targeting", self.spell.EndCast, self.spell.Target)
                end
        end
end

function HotCandy:CastSpellByName(spellName, onSelf)
        self.hooks["CastSpellByName"](spellName, onSelf)
        local sName = spellcache:GetSpellData(spellName)
        if SpellIsTargeting() then 
                self.spell.Casting = sName
                self:LevelDebug(3, "CastSpellByName", "Targeting", self.spell.Casting)
        else
                self.spell.EndCast = sName
                if onSelf then
                        self.spell.Target = UnitName("player")
                else
                        self.spell.Target = UnitName("target")
                end
                self:LevelDebug(3, "CastSpellByName", "~Targeting", self.spell.EndCast, self.spell.Target)
        end
end

function HotCandy:UseAction(slotId, checkCursor, onSelf)
        self.hooks["UseAction"](slotId, checkCursor, onSelf)
        if not GetActionText(slotId) then
                gratuity:SetAction(slotId)
                local sName = GetGratuitySpellData()
                if SpellIsTargeting() then 
                        self.spell.Casting = sName
                        self:LevelDebug(3, "UseAction", "Targeting", self.spell.Casting)
                else
                        self.spell.EndCast = sName
                        if onSelf then
                                self.spell.Target = UnitName("player")
                        else
                                self.spell.Target = UnitName("target")
                        end
                        self:LevelDebug(3, "UseAction", "~Targeting", self.spell.EndCast, self.spell.Target)
                end
        end
end

function HotCandy:TargetUnit(unit)
        self.hooks["TargetUnit"](unit)
        if self.spell.Casting then
                self.spell.EndCast = self.spell.Casting
                self.spell.Target = UnitName(unit)
                self.spell.Casting = nil
        end
        self:LevelDebug(3, "TargetUnit", "EC:", self.spell.EndCast, "T: ", self.spell.Target, "C: ", self.spell.Casting)
end

function HotCandy:SpellTargetUnit(unit)
        self.hooks["SpellTargetUnit"](unit)
        if self.spell.Casting then
                self.spell.EndCast = self.spell.Casting
                self.spell.Target = UnitName(unit)
                self.spell.Casting = nil
        end
        self:LevelDebug(3, "SpellTargetUnit", "EC:", self.spell.EndCast, "T: ", self.spell.Target, "C: ", self.spell.Casting)
end

function HotCandy:SpellStopTargeting()
        self.hooks["SpellStopTargeting"]()
        if self.spell.Casting then
                self.spell.Casting = nil
                self.spell.Target = nil
                self.spell.EndCast = nil
        end
        self:LevelDebug(3, "SpellStopTargeting")
end

function HotCandy:WFMouseDown(object)
        self.hooks[object]["OnMouseDown"]()
        if arg1 == "LeftButton" then
                local targetName
                
                if self.spell.Casting and UnitExists("mouseover") then
                        targetName = UnitName("mouseover")
                end
                
                if self.spell.Casting and targetName then
                        self.spell.EndCast = self.spell.Casting
                        self.spell.Target = targetName
                        self.spell.Casting = nil
                        self:LevelDebug(3, "WorldFrameMouseDown", self.spell.EndCast, self.spell.Target)
                end
        end
end