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+/************************************************************************
+
+ Test the libgfx scripting facility.
+
+ by Michael Garland, 2000.
+
+ $Id: t-script.cxx 426 2004-09-27 04:34:55Z garland $
+
+ ************************************************************************/
+
+#include <gfx/gfx.h>
+#include <gfx/script.h>
+#include <gfx/vec3.h>
+
+using namespace std;
+
+// usage: add <x>*
+// Adds all numbers listed on the line and prints the result
+//
+// usage: avg <x>*
+// Averages all numbers listed on the line and prints the result
+//
+int proc_add(const CmdLine &cmd)
+{
+ std::vector<double> values;
+ double sum = 0.0;
+
+ cmd.collect_as_numbers(values);
+ std::vector<double>::size_type count;
+ for(count=0; count<values.size(); count++)
+ sum += values[count];
+
+ if( cmd.opname() == "avg" && count>0 )
+ sum /= (double)count;
+
+ cout << sum << endl;
+ return SCRIPT_OK;
+}
+
+// usage: vec3 <x> <y> <z>
+// Constructs a 3-vector and prints the result
+int proc_vec3(const CmdLine &cmd)
+{
+ if( cmd.argcount() != 3 ) return SCRIPT_ERR_SYNTAX;
+
+ Vec3 v;
+ cmd.collect_as_numbers(v, 3);
+
+ cout << v << endl;
+ return SCRIPT_OK;
+}
+
+// usage: echo <msg>
+// Prints all the text following the command name verbatim
+int proc_echo(const CmdLine &cmd)
+{
+ cout << cmd.argline() << endl;
+ return SCRIPT_OK;
+}
+
+int main(int argc, char *argv[])
+{
+ CmdEnv env;
+
+ env.register_command("add", proc_add);
+ env.register_command("avg", proc_add);
+ env.register_command("echo", proc_echo);
+ env.register_command("vec3", proc_vec3);
+
+ for(int i=1; i<argc; i++)
+ env.do_file(argv[i]);
+
+ return 0;
+}