kehys/events.lua

   1 -- events.lua
   2 -- 2019 Aleksi Blinnikka
   3 local _;
   4 local unpack = unpack;
   5 local ssub = string.sub;
   6 local min = math.min;
   7 local UnitName, UnitClass, UnitExists = UnitName, UnitClass, UnitExists;
   8 local UnitDebuff, UnitIsCharmed = UnitDebuff, UnitIsCharmed;
   9 local UnitHealth, UnitHealthMax = UnitHealth, UnitHealthMax;
  10 local UnitIsAFK, UnitIsDND = UnitIsAFK, UnitIsDND;
  11 local UnitGetIncomingHeals, UnitGetTotalAbsorbs = UnitGetIncomingHeals, UnitGetTotalAbsorbs;
  12 local UnitThreatSituation, GetThreatStatusColor = UnitThreatSituation, GetThreatStatusColor;
  13 local UnitIsDeadOrGhost, UnitIsConnected = UnitIsDeadOrGhost, UnitIsConnected;
  14 local UnitGetTotalHealAbsorbs = UnitGetTotalHealAbsorbs;
  15 local UnitHasVehicleUI, UnitTargetsVehicleInRaidUI = UnitHasVehicleUI, UnitTargetsVehicleInRaidUI;
  16 local GetReadyCheckTimeLeft, GetReadyCheckStatus = GetReadyCheckTimeLeft, GetReadyCheckStatus;
  17 local UnitGroupRolesAssigned = UnitGroupRolesAssigned;
  18 local GetRaidTargetIndex, SetRaidTargetIconTexture = GetRaidTargetIndex, SetRaidTargetIconTexture;
  19 local RAID_CLASS_COLORS = RAID_CLASS_COLORS;
  20 local READY_CHECK_READY_TEXTURE = READY_CHECK_READY_TEXTURE;
  21 local READY_CHECK_NOT_READY_TEXTURE = READY_CHECK_NOT_READY_TEXTURE;
  22 local READY_CHECK_WAITING_TEXTURE = READY_CHECK_WAITING_TEXTURE;
  23
  24 local _, addon = ...;
  25 addon.Events = {};
  26 local guids = addon.FrameGuids;
  27 local baseColor = {0, 0, 0};
  28 local overlayColorDispel = {1, 0.5, 0, 0.5};
  29 local overlayColorCharm = {0.8, 0, 1, 0.5};
  30 local overlayColorAlert = {1, 0, 0, 0.5};
  31 local width = 80;
  32
  33 function addon.RegisterEvents(frame)
  34     frame:RegisterEvent("PLAYER_ENTERING_WORLD");
  35     frame:RegisterEvent("RAID_TARGET_UPDATE");
  36     if frame.unit == "player" then frame:RegisterEvent("PLAYER_ALIVE") end
  37     if frame.unit == "focus" then frame:RegisterEvent("PLAYER_FOCUS_CHANGED") end
  38     if frame.unit == "target" then frame:RegisterEvent("PLAYER_TARGET_CHANGED") end
  39     if frame.boss then frame:RegisterEvent("INSTANCE_ENCOUNTER_ENGAGE_UNIT") end
  40     if frame.raid then
  41         frame:RegisterEvent("PLAYER_REGEN_DISABLED");
  42         frame:RegisterEvent("READY_CHECK");
  43         frame:RegisterEvent("READY_CHECK_FINISHED");
  44         frame:RegisterEvent("GROUP_ROSTER_UPDATE");
  45     end
  46 end
  47
  48 function addon.RegisterUnitEvents(frame)
  49     -- events are taken from FrameXML/CompactUnitFrame.lua
  50     local displayed = frame.unit ~= frame.displayed and frame.displayed or nil;
  51     frame:RegisterUnitEvent("UNIT_ENTERED_VEHICLE", frame.unit, displayed);
  52     frame:RegisterUnitEvent("UNIT_EXITED_VEHICLE", frame.unit, displayed);
  53     frame:RegisterUnitEvent("UNIT_PET", frame.unit, displayed);
  54     if frame.unit == "focus" or frame.unit == "target" or frame.boss then
  55         frame:RegisterUnitEvent("UNIT_TARGETABLE_CHANGED", frame.unit, displayed);
  56     end
  57     if frame.raid or frame.unit ~= "player" then
  58         frame:RegisterUnitEvent("UNIT_NAME_UPDATE", frame.unit, displayed);
  59         frame:RegisterUnitEvent("UNIT_FACTION", frame.unit, displayed);
  60     end
  61     if frame.raid then
  62         frame:RegisterUnitEvent("UNIT_THREAT_SITUATION_UPDATE", frame.unit, displayed);
  63         frame:RegisterUnitEvent("READY_CHECK_CONFIRM", frame.unit, displayed);
  64     end
  65 end
  66 local registerUnitEvents = addon.RegisterUnitEvents;
  67
  68 local function updateName(frame, unit)
  69     local name = UnitName(unit);
  70     if not name or not frame.name then return end
  71     name = ssub(name, 1, 6);
  72     if frame.unit == unit then
  73         frame.name:SetText(name);
  74     else
  75         frame.name:SetFormattedText("-%s", name);
  76     end
  77
  78     local _, class = UnitClass(unit);
  79     local color = RAID_CLASS_COLORS[class];
  80     frame.classname = class;
  81
  82     if color then
  83         if not frame.raid then
  84             if not UnitPlayerControlled(unit) and UnitIsTapDenied(unit) then
  85                 frame.health:SetVertexColor(0.5, 0.5, 0.5);
  86             elseif UnitIsPlayer(unit) then
  87                 frame.health:SetVertexColor(color.r, color.g, color.b);
  88             elseif UnitPlayerControlled(unit) then
  89                 frame.health:SetVertexColor(0, 1, 0);
  90             else
  91                 frame.health:SetVertexColor(UnitSelectionColor(unit));
  92             end
  93         else
  94             frame.name:SetVertexColor(color.r, color.g, color.b);
  95         end
  96     end
  97 end
  98 addon.Events.UpdateName = updateName;
  99
 100 local function updateAggro(frame, unit)
 101     local status = UnitThreatSituation(unit);
 102     if status and status > 0 then
 103         frame.base:SetVertexColor(GetThreatStatusColor(status));
 104     else
 105         frame.base:SetVertexColor(unpack(baseColor));
 106     end
 107 end
 108 addon.Events.UpdateAggro = updateAggro;
 109
 110 local function updateVehicle(frame)
 111     local shouldTargetVehicle = UnitHasVehicleUI(frame.unit) and
 112         UnitTargetsVehicleInRaidUI(frame.unit) and frame.vehicle and UnitExists(frame.vehicle);
 113     if shouldTargetVehicle then
 114         if not frame.inVehicle then
 115             frame.inVehicle = true;
 116             frame.displayed = frame.vehicle;
 117             registerUnitEvents(frame);
 118         end
 119     elseif frame.inVehicle then
 120         frame.inVehicle = false;
 121         frame.displayed = frame.unit;
 122         registerUnitEvents(frame);
 123     end
 124 end
 125 addon.Events.UpdateVehicle = updateVehicle;
 126
 127 local function updateRole(frame, unit)
 128     frame.rolename = UnitGroupRolesAssigned(unit);
 129     if frame.rolename == "HEALER" then
 130         frame.role:SetTexCoord(0.75, 1, 0, 1);
 131         frame.role:Show();
 132     elseif frame.rolename == "TANK" then
 133         frame.role:SetTexCoord(0.5, 0.75, 0, 1);
 134         frame.role:Show();
 135     else
 136         frame.role:Hide();
 137     end
 138 end
 139 addon.Events.UpdateRole = updateRole;
 140
 141 local function updateReadyCheck(frame, unit)
 142     local status = GetReadyCheckStatus(unit);
 143     if status == "ready" then
 144         frame.ready:SetTexture(READY_CHECK_READY_TEXTURE);
 145         frame.ready:Show()
 146     elseif status == "notready" then
 147         frame.ready:SetTexture(READY_CHECK_NOT_READY_TEXTURE);
 148         frame.ready:Show()
 149     elseif status == "waiting" then
 150         frame.ready:SetTexture(READY_CHECK_WAITING_TEXTURE);
 151         frame.ready:Show()
 152     else
 153         frame.ready:Hide()
 154     end
 155 end
 156 addon.Events.UpdateReadyCheck = updateReadyCheck;
 157
 158 local function updateRaidMarker(frame, unit)
 159     local index = GetRaidTargetIndex(unit);
 160     if index then
 161         SetRaidTargetIconTexture(frame.targeticon, index);
 162         frame.targeticon:Show();
 163     else
 164         frame.targeticon:Hide();
 165     end
 166 end
 167 addon.Events.UpdateRaidMarker = updateRaidMarker;
 168
 169 local eventFuncs = {
 170     ["UNIT_THREAT_SITUATION_UPDATE"] = function(frame)
 171         updateAggro(frame, frame.displayed);
 172     end,
 173     ["UNIT_NAME_UPDATE"] = function(frame)
 174         updateName(frame, frame.unit);
 175         if frame.raid then
 176             if frame.guid then
 177                 guids[frame.guid] = nil;
 178             end
 179             frame.guid = UnitGUID(frame.unit);
 180             if frame.guid then
 181                 guids[frame.guid] = frame;
 182             end
 183         end
 184     end,
 185     ["UNIT_FACTION"] = function(frame)
 186         updateName(frame, frame.unit);
 187     end,
 188     ["PLAYER_ROLES_ASSIGNED"] = function(frame)
 189         updateRole(frame, frame.unit);
 190     end,
 191     ["READY_CHECK"] = function(frame)
 192         updateReadyCheck(frame, frame.unit);
 193     end,
 194     ["RAID_TARGET_UPDATE"] = function(frame)
 195         updateRaidMarker(frame, frame.displayed);
 196     end,
 197     ["PLAYER_REGEN_DISABLED"] = function(frame)
 198         if frame.raid then
 199             -- clear buff status on entering combat, should also use UnitAura to re-fill
 200             frame.tankcd = {};
 201             frame.alert = {};
 202             frame.stacks = {};
 203             frame.heal = {};
 204             frame.buff1 = {};
 205             frame.buff2 = {};
 206             frame.stagger = {};
 207             addon.SetAuras(frame.unit, frame.guid);
 208         end
 209     end,
 210     ["UPDATE_ALL_BARS"] = function(frame)
 211         updateVehicle(frame);
 212         updateRaidMarker(frame, frame.displayed);
 213         if frame.raid or frame.unit ~= "player" then
 214             updateName(frame, frame.unit);
 215         end
 216         if frame.raid then
 217             updateRole(frame, frame.unit);
 218             updateAggro(frame, frame.displayed);
 219             updateReadyCheck(frame, frame.unit);
 220             if frame.guid then
 221                 guids[frame.guid] = nil;
 222             end
 223             frame.guid = UnitGUID(frame.unit);
 224             if frame.guid then
 225                 guids[frame.guid] = frame;
 226             end
 227             frame.tankcd = {};
 228             frame.alert = {};
 229             frame.stacks = {};
 230             frame.heal = {};
 231             frame.buff1 = {};
 232             frame.buff2 = {};
 233             addon.SetAuras(frame.unit, frame.guid);
 234         else
 235             frame.prev = {};
 236         end
 237     end,
 238 };
 239 eventFuncs["READY_CHECK_CONFIRM"] = eventFuncs["READY_CHECK"];
 240 eventFuncs["READY_CHECK_FINISHED"] = eventFuncs["READY_CHECK"];
 241 eventFuncs["UNIT_ENTERED_VEHICLE"] = eventFuncs["UPDATE_ALL_BARS"];
 242 eventFuncs["UNIT_EXITED_VEHICLE"] = eventFuncs["UPDATE_ALL_BARS"];
 243 eventFuncs["UNIT_PET"] = eventFuncs["UPDATE_ALL_BARS"];
 244 eventFuncs["GROUP_ROSTER_UPDATE"] = eventFuncs["UPDATE_ALL_BARS"];
 245 eventFuncs["PLAYER_ENTERING_WORLD"] = eventFuncs["UPDATE_ALL_BARS"];
 246 eventFuncs["PLAYER_FOCUS_CHANGED"] = eventFuncs["UPDATE_ALL_BARS"];
 247 eventFuncs["PLAYER_TARGET_CHANGED"] = eventFuncs["UPDATE_ALL_BARS"];
 248 eventFuncs["UNIT_TARGETABLE_CHANGED"] = eventFuncs["UPDATE_ALL_BARS"];
 249 eventFuncs["INSTANCE_ENCOUNTER_ENGAGE_UNIT"] = eventFuncs["UPDATE_ALL_BARS"];
 250 eventFuncs["PLAYER_ALIVE"] = eventFuncs["UPDATE_ALL_BARS"];
 251
 252 function addon.UnitEvent(self, event)
 253     return eventFuncs[event](self);
 254 end