// Simplify_Activate():
// Simplify Object Replacement Plug-In's Activate Function
XCALL_ (int) Simplify_Activate( long version, GlobalFunc *global,
ObjReplacementHandler *local, void *serverData ) {
// Version Check
if( version != 3 )
return( AFUNC_BADVERSION );
XCALL_INIT;
// Fill in the local data
local->create = SimplifyCreate;
local->destroy = SimplifyDestroy;
local->load = SimplifyLoad;
local->save = SimplifySave;
local->copy = SimplifyCopy;
local->evaluate = SimplifyEvaluate;
local->descln = SimplifyDescribeLine;
local->useItems = SimplifyUseItems;
local->changeID = SimplifyChangeID;
// Get the Camera ID
if( SimplifyInstance::GetCameraID() == NULL ) {
LWItemInfo *info = (LWItemInfo *) ( (*global)("LW Item Info", GFUSE_TRANSIENT) );
SimplifyInstance::SetCameraID( (*info->first)( LWI_CAMERA, NULL ) );
}
// Set the Global Functions
if( SimplifyInstance::GetGlobal() == NULL )
SimplifyInstance::SetGlobal( global );
// Load the default config file
if( !simp_config.WasLoaded() ) {
DirInfoFunc * dir_func = (DirInfoFunc *) ( (*global)("Directory Info", GFUSE_TRANSIENT) );
char def_config[ MAX_PATH_LENGTH ];
// First try the Install Path
strcpy( def_config, (*dir_func)( "Install" ) );
DirStrings::AddPathPart( def_config, "Simplify.cfg" );
if( !DirInfo::Exists( def_config ) ) {
// Then the Programs Dir
strcpy( def_config, (*dir_func)( "Install" ) );
DirStrings::AddPathPart( def_config, "Programs/Simplify.cfg" );
// Then the Alternate Settings Dir
if( !DirInfo::Exists( def_config ) ) {
strcpy( def_config, (*dir_func)( "Settings" ) );
DirStrings::AddPathPart( def_config, "Simplify.cfg" );
// Then the Plug-ins Dir
if( !DirInfo::Exists( def_config ) ) {
const char * temp = (*dir_func)( "Plugins" );
if( temp != NULL ) {
strcpy( def_config, temp );
DirStrings::AddPathPart( def_config, "Simplify.cfg" );
// And finally, the Layout Plug-ins Dir
if( !DirInfo::Exists( def_config ) ) {
strcpy( def_config, temp );
DirStrings::AddPathPart( def_config, "Layout/Simplify.cfg" );
}
}
}
}
}
CMessage * message = CMessage::New( (MessageFuncs *) ( (*global)("Info Messages", GFUSE_TRANSIENT) ) );
#ifdef _DEBUG
message->Info( "Config File Path:", def_config );
#endif
switch( simp_config.Load( def_config ) ) {
case SIMPCONFIG_OK: // Config loaded OK
case SIMPCONFIG_NOT_FOUND: // This is OK; just means use the default settings
break;
case SIMPCONFIG_ERROR_OPENING_FILE: // Error; say so
message->Error( "Simplify Error: Error occurred opening the Simplify Config File",
def_config );
break;
case SIMPCONFIG_ERROR_READING_FROM_FILE: // Another error; say so
message->Error( "Simplify Error: Error occurred reading the Simplify Config File",
def_config );
break;
case SIMPCONFIG_ERROR_NOT_SIMP_CONFIG: // Not a config; report an error
message->Error( "Simplify Error: This is not a Simplify Config File:",
def_config );
break;
};
delete message;
}
return AFUNC_OK;
}
// SimplifyCreate()
XCALL_ (LWInstance) SimplifyCreate( LWError *err, LWItemID item ) {
SimplifyInstance *inst = new SimplifyInstance;
// Make sure the instance was allocated OK
if( inst == NULL ) {
const char *string = "Simplify Error: Unable to create instance!";
err = &string;
return NULL;
}
// Get the Object Info Functions so we can get the object's filename
CLWObjectInfo * obj_info = CLWObjectInfo::New( (LWObjectInfo *) (*SimplifyInstance::GetGlobal())("LW Object Info", GFUSE_TRANSIENT ) );
CMessage * message = CMessage::New( (MessageFuncs *) (*SimplifyInstance::GetGlobal())("Info Messages", GFUSE_TRANSIENT) );
if( !obj_info ) {
message->Error( "Simplify Error: Unable to get LW Object Info!" );
return false;
}
// Set the Defauit Nominal Camera Zoom, in case the auto-load fails
LWItemInfo *iteminfo = (LWItemInfo *)(*SimplifyInstance::GetGlobal())( "LW Item Info", GFUSE_TRANSIENT );
LWItemID cam_id = (*iteminfo->first)( LWI_CAMERA, NULL );
LWCameraInfo *camerainfo = (LWCameraInfo *)(*SimplifyInstance::GetGlobal())( "LW Camera Info", GFUSE_TRANSIENT );
double default_zoom_factor = (*camerainfo->zoomFactor)( cam_id, 0 );
inst->SetLODNominalCameraZoom( (float)default_zoom_factor );
// See if an Auto-Load SDF exists
char def_sdf[ MAX_PATH_LENGTH ];
if( simp_global.autoload ) {
// Get DirFuncs so we can get the Content Dir
DirInfoFunc * dir_func = (DirInfoFunc *) (*SimplifyInstance::GetGlobal())("Directory Info", GFUSE_TRANSIENT );
strcpy( def_sdf, obj_info->Filename( item ) );
DirStrings::ChangeExtension( def_sdf, ".SDF" );
inst->SetSDF( def_sdf );
strcpy( def_sdf, (*dir_func)( "Content" ) );
DirStrings::AddPathPart( def_sdf, inst->GetSDF() );
if( DirInfo::Exists( def_sdf ) ) {
char * error;
if( !inst->LoadFromFile( def_sdf, error ) ) {
// Error loading default instance; create a clean one
delete inst;
inst = new SimplifyInstance;
message->Error( error_buffer );
message->Error( "Simplify Error: Unable to auto-load default instance data for ", obj_info->Filename( inst->GetItemID() ) );
}
delete message;
} else if( simp_config.GetDefaultSDF() != NULL ) {
// Default SDF not found; load the default one from the user config, if it exists
if( DirInfo::Exists( simp_config.GetDefaultSDF() ) ) {
char * error;
if( !inst->LoadFromFile( simp_config.GetDefaultSDF(), error ) ) {
// Error loading default instance; create a clean one
delete inst;
inst = new SimplifyInstance;
message->Error( error_buffer );
message->Error( "Simplify Error: Unable to auto-load deafult instance data from",
simp_config.GetDefaultSDF() );
}
delete message;
}
}
}
// Set the item used by the instance
inst->SetItemID( item );
// Set the Render Filename to the object's filename, if needed
if( inst->GetRender()[0] == '\0' )
inst->SetRender( obj_info->Filename( inst->GetItemID() ) );
// Free obj_info
delete obj_info;
// Instance OK; return it
instances.Add( inst );
err = NULL;
return inst;
}