Initial code push

Example_StatPointUI/Server/StatPointUI.lua

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+-- Require the Server Message Handler
+require("SMH")
+
+local config = {
+	Prefix = "StatPointUI",
+	Functions = {
+		[1] = "OnFullCacheRequest",
+		[2] = "OnSpendPointRequest",
+		[3] = "OnStatResetRequest"
+	}
+}
+
+local StatPointUI = {
+	cache = {}
+}
+
+function StatPointUI.LoadData(guid)
+	local query = CharDBQuery("SELECT `str`, `agi`, `stam`, `int`, `spirit`, `points` FROM character_stats_extra WHERE `guid`="..guid..";");
+	if(query) then
+		StatPointUI.cache[guid] = {
+			query:GetUInt32(0), -- Strength
+            query:GetUInt32(1), -- Agility
+            query:GetUInt32(2), -- Stamina
+            query:GetUInt32(3), -- Intellect
+            query:GetUInt32(4), -- Spirit
+            query:GetUInt32(5)  -- statpoints
+		}
+	else
+		StatPointUI.cache[guid] = {0, 0, 0, 0, 0, 0};
+		CharDBQuery("INSERT INTO character_stats_extra(`guid`, `str`, `agi`, `stam`, `int`, `spirit`, `points`) VALUES ("..guid..", 0, 0, 0, 0, 0, 0);");
+	end
+end
+
+function StatPointUI.OnLogin(event, player)
+	if not(StatPointUI.cache[player:GetGUIDLow()]) then
+		StatPointUI.LoadData(player:GetGUIDLow())
+	end
+	StatPointUI.SetStats(player:GetGUIDLow())
+end
+
+function StatPointUI.SetStats(guid, stat)
+	stat = stat or nil
+	local player = GetPlayerByGUID(guid)
+	local auras = {7464, 7471, 7477, 7468, 7474}
+	if(player) then
+		if stat == nil then
+			for i = 1, 5 do
+				local aura = player:GetAura(auras[i])
+				if (aura) then
+					aura:SetStackAmount(StatPointUI.cache[guid][i])
+				else
+					if(StatPointUI.cache[guid][i] > 0) then
+						player:AddAura(auras[i], player):SetStackAmount(StatPointUI.cache[guid][i])
+					end
+				end
+			end
+		else
+			local aura = player:GetAura(auras[stat])
+			if (aura) then
+				aura:SetStackAmount(StatPointUI.cache[guid][stat])
+			else
+				if(StatPointUI.cache[player:GetGUIDLow()][stat] > 0) then
+					player:AddAura(auras[stat], player):SetStackAmount(StatPointUI.cache[guid][stat])
+				end
+			end
+		end
+	end
+end
+
+function StatPointUI.ResetStats(guid)
+	local player = GetPlayerByGUID(guid)
+	local auras = {7464, 7471, 7477, 7468, 7474}
+	for _, aura in pairs(auras) do
+		player:RemoveAura(aura)
+	end
+end
+
+function StatPointUI.OnElunaStartup(event)
+	-- Re-cache online players' data in case of a hot reload
+	for _, player in pairs(GetPlayersInWorld()) do
+		StatPointUI.LoadData(player:GetGUIDLow())
+	end
+end
+
+function StatPointUI.OnPointSpent(guid, stat)
+	local inttostr = {"str", "agi", "stam", "int", "spirit"}
+	CharDBQuery("UPDATE character_stats_extra SET `"..inttostr[stat].."` = `"..inttostr[stat].."` + 1, `points`=`points`-1 WHERE `guid`="..guid..";")
+	StatPointUI.cache[guid][stat] = StatPointUI.cache[guid][stat]+1
+	StatPointUI.cache[guid][6] = StatPointUI.cache[guid][6]-1
+	StatPointUI.SetStats(guid, stat)
+end
+
+function StatPointUI.OnPointsReset(guid)
+	local total = 0
+	for _, points in pairs(StatPointUI.cache[guid]) do
+		total = total+points
+	end
+	CharDBQuery("UPDATE character_stats_extra SET `str`=0, `agi`=0, `stam`=0, `int`=0, `spirit`=0, `points`="..total.." WHERE `guid`="..guid..";");
+	StatPointUI.cache[guid] = {0, 0, 0, 0, 0, total};
+	StatPointUI.ResetStats(guid)
+end
+
+function OnFullCacheRequest(player, argTable)
+	player:SendServerResponse(config.Prefix, 1, StatPointUI.cache[player:GetGUIDLow()])
+end
+
+function OnSpendPointRequest(player, argTable)
+	if(StatPointUI.cache[player:GetGUIDLow()][6] > 0) then
+		-- Double check that the stat requested is actually a valid number
+		if(tonumber(argTable[2]) <= 5 and tonumber(argTable[2]) >= 0) then
+			StatPointUI.OnPointSpent(player:GetGUIDLow(), argTable[2])
+		end
+	else
+		player:SendBroadcastMessage("You have no points left!")
+	end
+	player:SendServerResponse(config.Prefix, 1, StatPointUI.cache[player:GetGUIDLow()])
+end
+
+function OnStatResetRequest(player, argTable)
+	StatPointUI.OnPointsReset(player:GetGUIDLow())
+	player:SendServerResponse(config.Prefix, 1, StatPointUI.cache[player:GetGUIDLow()])
+end
+
+RegisterPlayerEvent(3, StatPointUI.OnLogin)
+RegisterServerEvent(33, StatPointUI.OnElunaStartup)
+RegisterClientRequests(config)

Example_StatPointUI/Server/character_stats_extra.sql

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+-- Dumping structure for table character.character_stats_extra
+CREATE TABLE IF NOT EXISTS `character_stats_extra` (
+  `guid` int(11) DEFAULT NULL,
+  `str` int(11) DEFAULT NULL,
+  `agi` int(11) DEFAULT NULL,
+  `stam` int(11) DEFAULT NULL,
+  `int` int(11) DEFAULT NULL,
+  `spirit` int(11) DEFAULT NULL,
+  `points` int(11) DEFAULT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;