add: basic amxx module api (actual module pending).

inc/module.h

@@ -0,0 +1,42 @@
+//
+// YaPB - Counter-Strike Bot based on PODBot by Markus Klinge.
+// Copyright © 2004-2020 YaPB Project <yapb@jeefo.net>.
+//
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+// AMX Mod X Module API Version (bump if interface changed)
+constexpr int kYaPBModuleVersion = 1;
+
+// basic module interface, if you need to additional stuff, please post an issue
+class IYaPBModule {
+public:
+   // get the bot version string
+   virtual const char *getBotVersion () = 0;
+
+   // checks if bots are currently in game
+   virtual bool isBotsInGame () = 0;
+
+   // checks whether specified players is a yapb bot
+   virtual bool isBot (int entity) = 0;
+
+   // gets the node nearest to origin
+   virtual int getNearestNode (const Vector &origin) = 0;
+
+   // checks wether node is valid
+   virtual bool isNodeValid (int node) = 0;
+
+   // gets the node origin
+   virtual float *getNodeOrigin (int node) = 0;
+
+   // get the bots current active node
+   virtual int getCurrentNodeId (int entity) = 0;
+
+   // force bot to go to the selected node
+   virtual void setBotGoal (int entity, int node) = 0;
+
+   // force bot to go to selected origin
+   virtual void setBotGoalOrigin (int entity, float *origin) = 0;
+};