Rewrite stats weight and item score calculation

src/factory/StatsCollector.h

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it
+ * and/or modify it under version 2 of the License, or (at your option), any later version.
+ */
+
+#ifndef _PLAYERBOT_STATSCOLLECTOR_H
+#define _PLAYERBOT_STATSCOLLECTOR_H
+
+#include "ItemTemplate.h"
+#include "SpellInfo.h"
+
+enum StatsType : uint8
+{
+    // Basic stats
+    STATS_TYPE_AGILITY = 0,
+    STATS_TYPE_STRENGTH,
+    STATS_TYPE_INTELLECT,
+    STATS_TYPE_SPIRIT,
+    STATS_TYPE_STAMINA,
+    STATS_TYPE_HIT,
+    STATS_TYPE_CRIT,
+    STATS_TYPE_HASTE,
+    // Stats for tank
+    STATS_TYPE_ARMOR,
+    STATS_TYPE_DEFENSE,
+    STATS_TYPE_DODGE,
+    STATS_TYPE_PARRY,
+    STATS_TYPE_BLOCK_VALUE,
+    STATS_TYPE_BLOCK_RATING,
+    STATS_TYPE_RESILIENCE,
+    STATS_TYPE_HEALTH_REGENERATION,
+    // Stats for spell damage and heal
+    STATS_TYPE_SPELL_POWER,
+    STATS_TYPE_SPELL_PENETRATION,
+    STATS_TYPE_MANA_REGENERATION,
+    // Stats for physical damage and melee
+    STATS_TYPE_ATTACK_POWER,
+    STATS_TYPE_ARMOR_PENETRATION,
+    STATS_TYPE_EXPERTISE,
+    // Stats for weapon dps
+    STATS_TYPE_MELEE_DPS,
+    STATS_TYPE_RANGED_DPS,
+    STATS_TYPE_MAX = 24
+};
+
+enum class CollectorType
+{
+    MELEE,
+    RANGED,
+    SPELL
+};
+
+class StatsCollector
+{
+public:
+    StatsCollector(CollectorType type);
+    StatsCollector(StatsCollector& stats) = default;
+    void Reset();
+    void CollectItemStats(ItemTemplate const* proto);
+    void CollectSpellStats(uint32 spellId, uint32 trigger = ITEM_SPELLTRIGGER_ON_EQUIP);
+    void CollectSpellEffectStats(const SpellEffectInfo& effectInfo, float multiplier = 1.0f);
+    void CollectEnchantStats(SpellItemEnchantmentEntry const* enchant);
+
+public:
+    uint32 stats[STATS_TYPE_MAX];
+
+private:
+    void CollectByItemStatType(uint32 itemStatType, int32 val);
+    bool CollectSpecialCaseSpellStats(uint32 spellId);
+    bool CollectSpecialEnchantSpellStats(uint32 enchantSpellId);
+
+private:
+    CollectorType type_;
+};
+
+#endif