added include defs for new forward creation

plugins/include/amxconst.inc

@@ -286,3 +286,13 @@ enum {
 #define AMX_ERR_PARAMS		25
 
 #define	INVALID_HANDLE		-1
+
+#define ET_IGNORE		0	//ignore return val
+#define ET_STOP			1	//stop on PLUGIN_HANDLED
+#define ET_STOP2		2	//same, except return biggest
+#define ET_CONTINUE		3	//no stop, return biggest
+
+#define FP_CELL			0
+#define FP_FLOAT		1
+#define FP_STRING		2
+#define FP_ARRAY		4

plugins/include/amxmodx.inc

@@ -928,3 +928,34 @@ native get_addr_val(addr);
 native set_addr_val(addr, val);
 
 
+/**
+ * creates a multi-plugin forward.
+ * results will be > 0 for success
+ */
+native CreateMultiForward(const name[], stop_type, ...);
+
+/**
+ * creates a forward for one plugin.
+ * results will be > 0 for success
+ * id can be returned from find_plugin_byfile or
+ * anything get_plugin is compatible with.
+ */
+native CreateOneForward(plugin_id, const name[], ...);
+
+/**
+ * prepares an array.  use this and pass the result into
+ * ExecuteForward() instead of the array itself.
+ */
+native PrepareArray(array[], size, copyback=0);
+
+/**
+ * executes a forward.  returns result in ret.
+ * returns 1 for success, 0 for failure.
+ */
+native ExecuteForward(forward_handle, &ret, ...);
+
+/**
+ * Destroys/deallocates any type of forward
+ */
+native DestroyForward(forward_handle);
+