Impl CWAPI_Weapons_GetAbilityParams native

Author: ArKaNeMaN

amxmodx/scripting/Cwapi/Core/CWeapons/Abilities.inc

@@ -141,6 +141,7 @@ T_WAbility_Unit:WAbilityUnit_LoadFromJsonObject(const JSON:jAbilityUnit, const T
         Ability[WAbility_Params], jAbilityUnit, AbilityUnit[WAbilityUnit_Params],
         iErrType, sErrParamName, charsmax(sErrParamName)
     );
+    TrieSetCell(AbilityUnit[WAbilityUnit_Params], CWAPI_ABILITY_HANDLER_PARAM_KEY, iAbility);
 
     if (iErrType != ParamsReadError_None) {
         // TODO: Написать обёртку для вывода ошибки параметров c учётом её типа

amxmodx/scripting/Cwapi/Core/CWeapons/Natives.inc

@@ -21,6 +21,7 @@ CWeapons_Natives_Reg() {
     // Natives_Reg("Weapons_GetAbilityParams");
     Natives_Reg("Weapons_GetAttribute");
     Natives_Reg("Weapons_EmitDamage");
+    register_native("CWAPI_Weapons_GetAbilityParams", "@CWAPI_Weapons_GetAbilityParams");
 }
 
 T_CustomWeapon:@_Weapons_Find() {
@@ -158,3 +159,12 @@ Float:@_Weapons_EmitDamage() {
         bool:get_param(Arg_IgnoreDamageMult)
     );
 }
+
+Trie:@CWAPI_Weapons_GetAbilityParams() {
+    enum {Arg_WeaponIndex = 1, Arg_Ability}
+    
+    return CWeapons_GetAbilityParams(
+        T_CustomWeapon:get_param(Arg_WeaponIndex),
+        T_WeaponAbility:get_param(Arg_Ability)
+    );
+}

amxmodx/scripting/Cwapi/Core/CustomWeapons.inc

@@ -347,6 +347,35 @@ Float:CWeapons_EmitDamage(
     return res > 0 ? finalDamage : 0.0;
 }
 
+Trie:CWeapons_GetAbilityParams(const T_CustomWeapon:weaponIndex, const T_WeaponAbility:ability) {
+    static weaponObject[S_CustomWeapon];
+    CWeapons_Get(weaponIndex, weaponObject);
+
+    if (weaponObject[CWeapon_Abilities] == Invalid_Array) {
+        return Invalid_Trie;
+    }
+
+    for (new i = 0, ii = ArraySize(weaponObject[CWeapon_Abilities]); i < ii; ++i) {
+        new T_WAbility_Unit:unit = ArrayGetCell(weaponObject[CWeapon_Abilities], i);
+
+        if (unit == Invalid_WAbility_Unit) {
+            continue;
+        }
+
+        static unitObject[S_WAbility_Unit];
+        WAbilityUnit_Get(unit, unitObject);
+
+        if (unitObject[WAbilityUnit_Ability] != ability) {
+            continue;
+        }
+
+        // todo стоит ли клонировать trie?
+        return unitObject[WAbilityUnit_Params];
+    }
+
+    return Invalid_Trie;
+}
+
 T_CustomWeapon:CWeapons_LoadFromCfg(const sFile[], const bool:bAbsolutePath = false) {
     new JSON:jWeapon = CfgUtils_GetJson(sFile, true, bAbsolutePath);
 

amxmodx/scripting/include/cwapi.inc

@@ -44,6 +44,11 @@ stock const CWAPI_WEAPON_PARAM_TYPE_NAME[] = "CWAPI-Weapon";
  */
 stock const CWAPI_GIVE_TYPE_PARAM_TYPE_NAME[] = "CWAPI-GiveType";
 
+/**
+ * Ключ параметра способности, в котором хранится хендлер этой способности.
+ */
+stock const CWAPI_ABILITY_HANDLER_PARAM_KEY[] = "_ability_handler";
+
 
 /**
  * Максимальная длина названия способности.
@@ -629,6 +634,9 @@ native Float:CWAPI_Weapons_EmitDamage(
     const bool:ignoreDamageMult = false
 );
 
+// todo docs
+native CWAPI_Weapons_GetAbilityParams(const T_CustomWeapon:weaponIndex, const T_WeaponAbility:ability);
+
 /**
  * Регистрация способности кастомного оружия.
  *