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Scripting interface to currently selected entities; plus initial code to support GUI patrol button

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This was SVN commit r805.
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MarkT 2004-07-22 16:19:37 +00:00
parent 6d8b9e33ef
commit 1e719e9262
2 changed files with 153 additions and 0 deletions
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132
source/ps/scripting/JSInterface_Selection.cpp Executable file
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// JavaScript interface to native code selection and group objects
// Mark Thompson (mot20@cam.ac.uk / mark@wildfiregames.com)
#include "precompiled.h"
#include "JSInterface_Selection.h"
#include "Interact.h"
JSBool JSI_Selected::getProperty( JSContext* context, JSObject* globalObject, jsval id, jsval* vp )
{
if( g_Selection.m_selected.size() )
{
JSObject* entity = JS_NewObject( context, &JSI_Entity::JSI_class, NULL, NULL );
JS_SetPrivate( context, entity, new HEntity( g_Selection.m_selected[0]->me ) );
*vp = OBJECT_TO_JSVAL( entity );
return( JS_TRUE );
}
else
{
*vp = JSVAL_NULL;
return( JS_TRUE );
}
}
JSBool JSI_Selected::setProperty( JSContext* context, JSObject* globalObject, jsval id, jsval* vp )
{
g_Selection.clearSelection();
JSObject* selection = JSVAL_TO_OBJECT( *vp );
HEntity* entity = NULL;
if( JSVAL_IS_OBJECT( *vp ) && ( entity = (HEntity*)JS_GetInstancePrivate( context, selection, &JSI_Entity::JSI_class, NULL ) ) )
{
g_Selection.addSelection( *entity );
}
else
JS_ReportError( context, "[Entity] Invalid reference" );
return( JS_TRUE );
}
JSBool JSI_Selection::getProperty( JSContext* context, JSObject* globalObject, jsval id, jsval* vp )
{
JSObject* selectionArray = JS_NewArrayObject( context, 0, NULL );
std::vector<CEntity*>::iterator it; int i;
for( it = g_Selection.m_selected.begin(), i = 0; it < g_Selection.m_selected.end(); it++, i++ )
{
JSObject* entity = JS_NewObject( context, &JSI_Entity::JSI_class, NULL, NULL );
JS_SetPrivate( context, entity, new HEntity( (*it)->me ) );
jsval j = OBJECT_TO_JSVAL( entity );
JS_SetElement( context, selectionArray, i, &j );
}
// Also throw in the check/get/set context orders here.
JS_DefineFunction( context, selectionArray, "isOrderTypeValid", JSI_Selection::isValidContextOrder, 1, 0 );
JS_DefineProperty( context, selectionArray, "orderType", INT_TO_JSVAL( g_Selection.m_contextOrder ),
JSI_Selection::getContextOrder, JSI_Selection::setContextOrder, 0 );
*vp = OBJECT_TO_JSVAL( selectionArray );
return( JS_TRUE );
}
JSBool JSI_Selection::setProperty( JSContext* context, JSObject* globalObject, jsval id, jsval* vp )
{
g_Selection.clearSelection();
JSObject* selectionArray = JSVAL_TO_OBJECT( *vp );
if( JSVAL_IS_NULL( *vp ) || !JSVAL_IS_OBJECT( *vp ) || !JS_IsArrayObject( context, selectionArray ) )
{
JS_ReportError( context, "Not an array" );
return( JS_TRUE );
}
jsuint selectionCount;
if( !JS_GetArrayLength( context, selectionArray, &selectionCount ) )
{
JS_ReportError( context, "Not an array" );
return( JS_TRUE );
}
for( jsuint i = 0; i < selectionCount; i++ )
{
jsval entry;
JS_GetElement( context, selectionArray, i, &entry );
JSObject* selection = JSVAL_TO_OBJECT( entry );
HEntity* entity = NULL;
if( JSVAL_IS_OBJECT( entry ) && ( entity = (HEntity*)JS_GetInstancePrivate( context, JSVAL_TO_OBJECT( entry ), &JSI_Entity::JSI_class, NULL ) ) )
{
g_Selection.addSelection( &(**entity) );
}
else
JS_ReportError( context, "[Entity] Invalid reference" );
}
return( JS_TRUE );
}
JSBool JSI_Selection::isValidContextOrder( JSContext* context, JSObject* obj, unsigned int argc, jsval* argv, jsval* rval )
{
assert( argc >= 1 );
int orderCode;
try
{
orderCode = g_ScriptingHost.ValueToInt( argv[0] );
}
catch( ... )
{
JS_ReportError( context, "Invalid order type" );
*rval = BOOLEAN_TO_JSVAL( false );
return( JS_TRUE );
}
*rval = BOOLEAN_TO_JSVAL( g_Selection.isContextValid( orderCode ) );
return( JS_TRUE );
}
JSBool JSI_Selection::getContextOrder( JSContext* context, JSObject* obj, jsval id, jsval* vp )
{
*vp = g_Selection.m_contextOrder;
return( JS_TRUE );
}
JSBool JSI_Selection::setContextOrder( JSContext* context, JSObject* obj, jsval id, jsval* vp )
{
int orderCode;
try
{
orderCode = g_ScriptingHost.ValueToInt( *vp );
}
catch( ... )
{
JS_ReportError( context, "Invalid order type" );
return( JS_TRUE );
}
if( !g_Selection.isContextValid( orderCode ) )
{
JS_ReportError( context, "Order is not valid in this context: %d", orderCode );
return( JS_TRUE );
}
g_Selection.setContext( orderCode );
return( JS_TRUE );
}

21
source/ps/scripting/JSInterface_Selection.h Executable file
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#include "scripting/ScriptingHost.h"
#ifndef JSI_SELECTION_INCLUDED
#define JSI_SELECTION_INCLUDED
namespace JSI_Selected
{
JSBool getProperty( JSContext* context, JSObject* objt, jsval id, jsval* vp );
JSBool setProperty( JSContext* context, JSObject* obj, jsval id, jsval* vp );
};
namespace JSI_Selection
{
JSBool getProperty( JSContext* context, JSObject* obj, jsval id, jsval* vp );
JSBool setProperty( JSContext* context, JSObject* obj, jsval id, jsval* vp );
JSBool isValidContextOrder( JSContext* context, JSObject* obj, unsigned int argc, jsval* argv, jsval* rval );
JSBool getContextOrder( JSContext* context, JSObject* obj, jsval id, jsval* vp );
JSBool setContextOrder( JSContext* context, JSObject* obj, jsval id, jsval* vp );
};
#endif