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     if color then
  81         if not frame.raid then
  82             if not UnitPlayerControlled(unit) and UnitIsTapDenied(unit) then
  83                 frame.health:SetVertexColor(0.5, 0.5, 0.5);
  84             elseif UnitIsPlayer(unit) then
  85                 frame.health:SetVertexColor(color.r, color.g, color.b);
  86             elseif UnitPlayerControlled(unit) then
  87                 frame.health:SetVertexColor(0, 1, 0);
  88             else
  89                 frame.health:SetVertexColor(UnitSelectionColor(unit));
  90             end
  91         else
  92             frame.name:SetVertexColor(color.r, color.g, color.b);
  93         end
  94     end
  95 end
  96 addon.Events.UpdateName = updateName;
  97
  98 local function updateAggro(frame, unit)
  99     local status = UnitThreatSituation(unit);
 100     if status and status > 0 then
 101         frame.base:SetVertexColor(GetThreatStatusColor(status));
 102     else
 103         frame.base:SetVertexColor(unpack(baseColor));
 104     end
 105 end
 106 addon.Events.UpdateAggro = updateAggro;
 107
 108 local function updateVehicle(frame)
 109     local shouldTargetVehicle = UnitHasVehicleUI(frame.unit) and
 110         UnitTargetsVehicleInRaidUI(frame.unit) and frame.vehicle and UnitExists(frame.vehicle);
 111     if shouldTargetVehicle then
 112         if not frame.inVehicle then
 113             frame.inVehicle = true;
 114             frame.displayed = frame.vehicle;
 115             registerUnitEvents(frame);
 116         end
 117     elseif frame.inVehicle then
 118         frame.inVehicle = false;
 119         frame.displayed = frame.unit;
 120         registerUnitEvents(frame);
 121     end
 122 end
 123 addon.Events.UpdateVehicle = updateVehicle;
 124
 125 local function updateRole(frame, unit)
 126     local role = UnitGroupRolesAssigned(unit);
 127     if role == "HEALER" then
 128         frame.role:SetTexCoord(0.75, 1, 0, 1);
 129         frame.role:Show();
 130     elseif role == "TANK" then
 131         frame.role:SetTexCoord(0.5, 0.75, 0, 1);
 132         frame.role:Show();
 133     else
 134         frame.role:Hide();
 135     end
 136 end
 137 addon.Events.UpdateRole = updateRole;
 138
 139 local function updateReadyCheck(frame, unit)
 140     local status = GetReadyCheckStatus(unit);
 141     if status == "ready" then
 142         frame.ready:SetTexture(READY_CHECK_READY_TEXTURE);
 143         frame.ready:Show()
 144     elseif status == "notready" then
 145         frame.ready:SetTexture(READY_CHECK_NOT_READY_TEXTURE);
 146         frame.ready:Show()
 147     elseif status == "waiting" then
 148         frame.ready:SetTexture(READY_CHECK_WAITING_TEXTURE);
 149         frame.ready:Show()
 150     else
 151         frame.ready:Hide()
 152     end
 153 end
 154 addon.Events.UpdateReadyCheck = updateReadyCheck;
 155
 156 local function updateRaidMarker(frame, unit)
 157     local index = GetRaidTargetIndex(unit);
 158     if index then
 159         SetRaidTargetIconTexture(frame.targeticon, index);
 160         frame.targeticon:Show();
 161     else
 162         frame.targeticon:Hide();
 163     end
 164 end
 165 addon.Events.UpdateRaidMarker = updateRaidMarker;
 166
 167 local eventFuncs = {
 168     ["UNIT_THREAT_SITUATION_UPDATE"] = function(frame)
 169         updateAggro(frame, frame.displayed);
 170     end,
 171     ["UNIT_NAME_UPDATE"] = function(frame)
 172         updateName(frame, frame.unit);
 173         if frame.raid then
 174             if frame.guid then
 175                 guids[frame.guid] = nil;
 176             end
 177             frame.guid = UnitGUID(frame.unit);
 178             if frame.guid then
 179                 guids[frame.guid] = frame;
 180             end
 181         end
 182     end,
 183     ["UNIT_FACTION"] = function(frame)
 184         updateName(frame, frame.unit);
 185     end,
 186     ["PLAYER_ROLES_ASSIGNED"] = function(frame)
 187         updateRole(frame, frame.unit);
 188     end,
 189     ["READY_CHECK"] = function(frame)
 190         updateReadyCheck(frame, frame.unit);
 191     end,
 192     ["RAID_TARGET_UPDATE"] = function(frame)
 193         updateRaidMarker(frame, frame.displayed);
 194     end,
 195     ["PLAYER_REGEN_DISABLED"] = function(frame)
 196         if frame.raid then
 197             -- clear buff status on entering combat, should also use UnitAura to re-fill
 198             frame.tankcd = {};
 199             frame.alert = {};
 200             frame.stacks = {};
 201             frame.heal = {};
 202             frame.buff1 = {};
 203             frame.buff2 = {};
 204             addon.SetAuras(frame.unit, frame.guid);
 205         end
 206     end,
 207     ["UPDATE_ALL_BARS"] = function(frame)
 208         updateVehicle(frame);
 209         updateRaidMarker(frame, frame.displayed);
 210         if frame.raid or frame.unit ~= "player" then
 211             updateName(frame, frame.unit);
 212         end
 213         if frame.raid then
 214             updateRole(frame, frame.unit);
 215             updateAggro(frame, frame.displayed);
 216             updateReadyCheck(frame, frame.unit);
 217             if frame.guid then
 218                 guids[frame.guid] = nil;
 219             end
 220             frame.guid = UnitGUID(frame.unit);
 221             if frame.guid then
 222                 guids[frame.guid] = frame;
 223             end
 224             frame.tankcd = {};
 225             frame.alert = {};
 226             frame.stacks = {};
 227             frame.heal = {};
 228             frame.buff1 = {};
 229             frame.buff2 = {};
 230             addon.SetAuras(frame.unit, frame.guid);
 231         else
 232             frame.prev = {};
 233         end
 234     end,
 235 };
 236 eventFuncs["READY_CHECK_CONFIRM"] = eventFuncs["READY_CHECK"];
 237 eventFuncs["READY_CHECK_FINISHED"] = eventFuncs["READY_CHECK"];
 238 eventFuncs["UNIT_ENTERED_VEHICLE"] = eventFuncs["UPDATE_ALL_BARS"];
 239 eventFuncs["UNIT_EXITED_VEHICLE"] = eventFuncs["UPDATE_ALL_BARS"];
 240 eventFuncs["UNIT_PET"] = eventFuncs["UPDATE_ALL_BARS"];
 241 eventFuncs["GROUP_ROSTER_UPDATE"] = eventFuncs["UPDATE_ALL_BARS"];
 242 eventFuncs["PLAYER_ENTERING_WORLD"] = eventFuncs["UPDATE_ALL_BARS"];
 243 eventFuncs["PLAYER_FOCUS_CHANGED"] = eventFuncs["UPDATE_ALL_BARS"];
 244 eventFuncs["PLAYER_TARGET_CHANGED"] = eventFuncs["UPDATE_ALL_BARS"];
 245 eventFuncs["UNIT_TARGETABLE_CHANGED"] = eventFuncs["UPDATE_ALL_BARS"];
 246 eventFuncs["INSTANCE_ENCOUNTER_ENGAGE_UNIT"] = eventFuncs["UPDATE_ALL_BARS"];
 247 eventFuncs["PLAYER_ALIVE"] = eventFuncs["UPDATE_ALL_BARS"];
 248
 249 function addon.UnitEvent(self, event)
 250     return eventFuncs[event](self);
 251 end