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diff --git a/qcsrc/server/resources.qh b/qcsrc/server/resources.qh
index ce8e1e8e5..15433b264 100644
--- a/qcsrc/server/resources.qh
+++ b/qcsrc/server/resources.qh
@@ -1,24 +1,11 @@
 #pragma once
+
 /// \file
 /// \brief Header file that describes the resource system.
 /// \author Lyberta
 /// \copyright GNU GPLv2 or any later version.
 
-/// \brief Unconditional maximum amount of resources the entity can have.
-const int RESOURCE_AMOUNT_HARD_LIMIT = 999;
-
-/// \brief Describes the available resource types.
-enum
-{
-	RESOURCE_HEALTH = 1, ///< Health.
-	RESOURCE_ARMOR, ///< Armor.
-	RESOURCE_SHELLS, ///< Shells (used by shotgun).
-	RESOURCE_BULLETS, ///< Bullets (used by machinegun and rifle)
-	RESOURCE_ROCKETS, ///< Rockets (used by mortar, hagar, devastator, etc).
-	RESOURCE_CELLS, ///< Cells (used by electro, crylink, vortex, etc)
-	RESOURCE_PLASMA, ///< Plasma (unused).
-	RESOURCE_FUEL ///< Fuel (used by jetpack).
-};
+#include <common/resources.qh>
 
 // ============================ Public API ====================================
 
@@ -34,6 +21,13 @@ float GetResourceLimit(entity e, int resource_type);
 /// \return Current amount of resource the given entity has.
 float GetResourceAmount(entity e, int resource_type);
 
+/// \brief Sets the resource amount of an entity without calling any hooks.
+/// \param[in,out] e Entity to adjust.
+/// \param[in] resource_type Type of the resource (a RESOURCE_* constant).
+/// \param[in] amount Amount of resource to set.
+/// \return Boolean for whether the ammo amount was changed
+bool SetResourceAmountExplicit(entity e, int resource_type, float amount);
+
 /// \brief Sets the current amount of resource the given entity will have.
 /// \param[in,out] e Entity to adjust.
 /// \param[in] resource_type Type of the resource (a RESOURCE_* constant).
@@ -57,6 +51,38 @@ void GiveResource(entity receiver, int resource_type, float amount);
 void GiveResourceWithLimit(entity receiver, int resource_type, float amount,
 	float limit);
 
+/// \brief Takes an entity some resource.
+/// \param[in,out] receiver Entity to take resource from.
+/// \param[in] resource_type Type of the resource (a RESOURCE_* constant).
+/// \param[in] amount Amount of resource to take.
+/// \return No return.
+void TakeResource(entity receiver, int resource_type, float amount);
+
+/// \brief Takes an entity some resource but not less than a limit.
+/// \param[in,out] receiver Entity to take resource from.
+/// \param[in] resource_type Type of the resource (a RESOURCE_* constant).
+/// \param[in] amount Amount of resource to take.
+/// \param[in] limit Limit of resources to take.
+/// \return No return.
+void TakeResourceWithLimit(entity receiver, int resource_type, float amount,
+	float limit);
+
+/// \brief Gives to or takes from an entity resource.
+/// \param[in,out] receiver Entity to give or take resource.
+/// \param[in] resource_type Type of the resource (a RESOURCE_* constant).
+/// \param[in] amount Amount of resource to give or take.
+/// \return No return.
+void GiveOrTakeResource(entity receiver, int resource_type, float amount);
+
+/// \brief Gives to or takes from an entity resource but not more/less than a limit.
+/// \param[in,out] receiver Entity to give or take resource.
+/// \param[in] resource_type Type of the resource (a RESOURCE_* constant).
+/// \param[in] amount Amount of resource to give or take.
+/// \param[in] limit Limit of resources to give or take.
+/// \return No return.
+void GiveOrTakeResourceWithLimit(entity receiver, int resource_type, float amount,
+	float limit);
+
 // ===================== Legacy and/or internal API ===========================
 
 /// \brief Converts an entity field to resource type.