ceil, floor & round commands

git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@6503 e016b1c5-ed68-44aa-a2f7-31cac88cffde

config/docs.cfg

@@ -130,6 +130,12 @@ docargument [A] [action] [] [0];
 docexample [p = 1; push p 2; echo $p] [Output: 2];
 docident [result] [sets the result value of a CubeScript block];
 docargument [R] [the result] [] [0];
+docident [round] [Round a float and returns an integer];
+docargument [F] [The float number to be rounded] [] [0];
+docident [ceil] [Return the ceil value (integer) of a float];
+docargument [F] [The float number] [] [0]
+docident [floor] [Return the floor value (integer) of a float];
+docargument [F] [The float number] [] [0]
 docident [rnd] [Random value];
 docargument [A] [The upper limit of the random value] [] [0];
 docident [rrnd] [Ranged random value];

docs/reference.xml

@@ -378,6 +378,30 @@
 					<return token="R" description="The random value" valueNotes="larger or equal 0 and smaller than A"/>
 				</command>
 
+        <command name="round">
+          <description>Round the given float</description>
+          <arguments>
+            <argument token="F" description="The float number to round" valueNotes=""/>
+          </arguments>
+          <return token="I" description="The rounded integer" valueNotes="The precision is 1 unit"/>
+        </command>
+
+        <command name="ceil">
+          <description>Upper value of a float number</description>
+          <arguments>
+            <argument token="F" description="The float number to get the ceil from" valueNotes=""/>
+          </arguments>
+          <return token="I" description="The ceil value (integer)"/>
+        </command>
+
+        <command name="floor">
+          <description>Floor value of a float number</description>
+          <arguments>
+            <argument token="F" description="The float number to get the floor from" valueNotes=""/>
+          </arguments>
+          <return token="I" description="The floor value (integer)"/>
+        </command>
+        
 				<command name="strcmp">
 					<description>Determines if two strings are equal.</description>
           <examples>

source/src/command.cpp

@@ -1272,6 +1272,11 @@ int lt(int a, int b)    { return (int)(a<b); }     COMMANDN(<, lt, ARG_2EXP);
 int gt(int a, int b)    { return (int)(a>b); }     COMMANDN(>, gt, ARG_2EXP);
 int lte(int a, int b)    { return (int)(a<=b); }   COMMANDN(<=, lte, ARG_2EXP);
 int gte(int a, int b)    { return (int)(a>=b); }   COMMANDN(>=, gte, ARG_2EXP);
+
+COMMANDF(round, ARG_1STR, (char *a) { intret((int)round(atof(a))); });
+COMMANDF(ceil, ARG_1STR, (char *a) { intret((int)ceil(atof(a))); });
+COMMANDF(floor, ARG_1STR, (char *a) { intret(atoi(a)); });
+
 #define COMPAREF(opname, func, op) \
     void func(char *a, char *b) { intret((int)(atof(a) op atof(b))); } \
     COMMANDN(opname, func, ARG_2STR)