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More tweaks related to David's input patches.

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This commit is contained in:
curt 2001-06-04 21:38:44 +00:00
parent 30c23281d9
commit b75e1af838
1 changed files with 37 additions and 6 deletions
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43
src/Main/fg_commands.cxx
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@ -13,6 +13,16 @@
#include "globals.hxx"
/**
* Built-in command: do nothing.
*/
static bool
do_null (const SGPropertyNode * arg)
{
return true;
}
/**
* Built-in command: exit FlightGear.
*
@ -59,7 +69,7 @@ do_screen_capture (const SGPropertyNode * arg)
static bool
do_property_toggle (const SGPropertyNode * arg)
{
string propname = arg->getStringValue("property", "");
const string & propname = arg->getStringValue("property", "");
if (propname == "")
return false;
@ -77,7 +87,7 @@ do_property_toggle (const SGPropertyNode * arg)
static bool
do_property_assign (const SGPropertyNode * arg)
{
string propname = arg->getStringValue("property", "");
const string & propname = arg->getStringValue("property", "");
if (propname == "")
return false;
@ -111,7 +121,7 @@ do_property_assign (const SGPropertyNode * arg)
static bool
do_property_adjust (const SGPropertyNode * arg)
{
string propname = arg->getStringValue("property", "");
const string & propname = arg->getStringValue("property", "");
if (propname == "")
return false;
@ -150,19 +160,38 @@ do_property_adjust (const SGPropertyNode * arg)
static bool
do_property_swap (const SGPropertyNode * arg)
{
string propname1 = arg->getStringValue("property[0]", "");
string propname2 = arg->getStringValue("property[1]", "");
const string &propname1 = arg->getStringValue("property[0]", "");
const string &propname2 = arg->getStringValue("property[1]", "");
if (propname1 == "" || propname2 == "")
return false;
SGPropertyNode * node1 = fgGetNode(propname1, true);
SGPropertyNode * node2 = fgGetNode(propname2, true);
string tmp = node1->getStringValue();
const string & tmp = node1->getStringValue();
return (node1->setUnknownValue(node2->getStringValue()) &&
node2->setUnknownValue(tmp));
}
/**
* Set a property to an axis or other moving input.
*
* property: the name of the property to set.
* setting: the current input setting, usually between -1.0 and 1.0.
* offset: the offset to shift by, before applying the factor.
* factor: the factor to multiply by (use negative to reverse).
*/
static bool
do_property_scale (const SGPropertyNode * arg)
{
const string &propname = arg->getStringValue("property");
double setting = arg->getDoubleValue("setting", 0.0);
double offset = arg->getDoubleValue("offset", 0.0);
double factor = arg->getDoubleValue("factor", 1.0);
return fgSetDouble(propname, (setting + offset) * factor);
}
/**
* Table of built-in commands.
@ -174,6 +203,7 @@ static struct {
const char * name;
SGCommandMgr::command_t command;
} built_ins [] = {
"null", do_null,
"exit", do_exit,
"view-cycle", do_view_cycle,
"screen-capture", do_screen_capture,
@ -181,6 +211,7 @@ static struct {
"property-assign", do_property_assign,
"property-adjust", do_property_adjust,
"property-swap", do_property_swap,
"property-scale", do_property_scale,
0, 0 // zero-terminated
};