diff --git a/ElvUI/Libraries/oUF_Plugins/oUF_GPS/oUF_GPS.lua b/ElvUI/Libraries/oUF_Plugins/oUF_GPS/oUF_GPS.lua new file mode 100644 index 0000000..cd088a9 --- /dev/null +++ b/ElvUI/Libraries/oUF_Plugins/oUF_GPS/oUF_GPS.lua @@ -0,0 +1,111 @@ +local ns = oUF +local oUF = ns.oUF +assert(oUF, "oUF not loaded") + +local cos, sin, sqrt2, max, atan2 = math.cos, math.sin, math.sqrt(2), math.max, math.atan2 +local tinsert, tremove = table.insert, table.remove +local pi2 = 3.141592653589793 / 2 + +local GetPlayerMapPosition = GetPlayerMapPosition +local UnitInParty = UnitInParty +local UnitInRaid = UnitInRaid +local UnitInRange = UnitInRange +local UnitIsConnected = UnitIsConnected +local UnitIsUnit = UnitIsUnit + +local _FRAMES, OnUpdateFrame = {} + +local function CalculateCorner(r) return .5 + cos(r) / sqrt2, .5 + sin(r) / sqrt2 end +local function RotateTexture(texture, angle) + local LRx, LRy = CalculateCorner(angle + 0.785398163) + local LLx, LLy = CalculateCorner(angle + 2.35619449) + local ULx, ULy = CalculateCorner(angle + 3.92699082) + local URx, URy = CalculateCorner(angle - 0.785398163) + + texture:SetTexCoord(ULx, ULy, LLx, LLy, URx, URy, LRx, LRy) +end + +local GetAngle = function(unit1, unit2) + local x1, y1 = GetPlayerMapPosition(unit1) + if x1 <= 0 and y1 <= 0 then return nil end + local x2, y2 = GetPlayerMapPosition(unit2) + if x2 <= 0 and y2 <= 0 then return nil end + -- print(pi2, GetPlayerFacing(), y2, y1, x2, x1) + return -pi2 - GetPlayerFacing() - atan2(y2 - y1, x2 - x1) +end + +local minThrottle = 0.02 +local numArrows, inRange, unit, GPS +local Update = function(self, elapsed) + if self.elapsed and self.elapsed > (self.throttle or minThrottle) then + numArrows = 0; + for _, object in next, _FRAMES do + if object:IsShown() then + GPS = object.GPS; + unit = object.unit; + if unit then + if unit and GPS.outOfRange then + inRange = true; + end + + if not unit or not (UnitInParty(unit) or UnitInRaid(unit)) or UnitIsUnit(unit, "player") or not UnitIsConnected(unit) or (GPS.onMouseOver and (GetMouseFocus() ~= object)) or (GPS.outOfRange and inRange) then + GPS:Hide() + else + local angle = GetAngle("player", unit); + if angle == nil then + GPS:Hide(); + else + GPS:Show(); + RotateTexture(GPS.Texture, angle); + + numArrows = numArrows + 1; + end + end + else + GPS:Hide(); + end + end + end + + self.elapsed = 0; + self.throttle = max(minThrottle, 0.005 * numArrows); + else + self.elapsed = (self.elapsed or 0) + tonumber(elapsed); + end +end + +local Enable = function(self) + local GPS = self.GPS + if GPS then + tinsert(_FRAMES, self) + + if not OnUpdateFrame then + OnUpdateFrame = CreateFrame("Frame") + OnUpdateFrame:SetScript("OnUpdate", function() + Update(this, arg1) + end) + end + + OnUpdateFrame:Show() + return true + end +end + +local Disable = function(self) + local GPS = self.GPS + if GPS then + for k, frame in next, _FRAMES do + if frame == self then + tremove(_FRAMES, k) + GPS:Hide() + break + end + end + + if getn(_FRAMES) == 0 and OnUpdateFrame then + OnUpdateFrame:Hide() + end + end +end + +oUF:AddElement("GPS", function() end, Enable, Disable) \ No newline at end of file diff --git a/ElvUI/Libraries/oUF_Plugins/oUF_GPS/oUF_GPS.xml b/ElvUI/Libraries/oUF_Plugins/oUF_GPS/oUF_GPS.xml new file mode 100644 index 0000000..dd661fb --- /dev/null +++ b/ElvUI/Libraries/oUF_Plugins/oUF_GPS/oUF_GPS.xml @@ -0,0 +1,3 @@ + +