/
LayerInfoFileModule.cpp
291 lines (228 loc) · 6.38 KB
/
LayerInfoFileModule.cpp
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#include "LayerInfoFileModule.h"
#include "ilayer.h"
#include "ientity.h"
#include "itextstream.h"
#include "scenelib.h"
#include "scene/LayerValidityCheckWalker.h"
#include "string/convert.h"
#include "debugging/ScenegraphUtils.h"
#include "parser/DefTokeniser.h"
namespace scene
{
namespace
{
const char* const NODE_TO_LAYER_MAPPING = "NodeToLayerMapping";
const char* const LAYER = "Layer";
const char* const LAYERS = "Layers";
const char* const NODE = "Node";
}
LayerInfoFileModule::LayerInfoFileModule() :
_layerInfoCount(0)
{
_standardLayerList.insert(0);
}
std::string LayerInfoFileModule::getName()
{
return "Layer Mapping";
}
void LayerInfoFileModule::clear()
{
_layerInfoCount = 0;
_output.str(std::string());
_output.clear();
_layerNameBuffer.str(std::string());
_layerNameBuffer.clear();
_layerNames.clear();
_layerMappings.clear();
}
void LayerInfoFileModule::onInfoFileSaveStart()
{
clear();
}
void LayerInfoFileModule::onBeginSaveMap(const scene::IMapRootNodePtr& root)
{
// Open a "Layers" block
_layerNameBuffer << "\t" << LAYERS << std::endl;
_layerNameBuffer << "\t{" << std::endl;
// Visit all layers and write them to the stream
root->getLayerManager().foreachLayer([&](int layerId, const std::string& layerName)
{
_layerNameBuffer << "\t\t" << LAYER << " " << layerId << " { " << layerName << " }" << std::endl;
});
_layerNameBuffer << "\t}" << std::endl;
}
void LayerInfoFileModule::onFinishSaveMap(const scene::IMapRootNodePtr& root)
{}
void LayerInfoFileModule::onSavePrimitive(const INodePtr& node, std::size_t entityNum, std::size_t primitiveNum)
{
saveNode(node);
}
void LayerInfoFileModule::onSaveEntity(const INodePtr& node, std::size_t entityNum)
{
saveNode(node);
}
void LayerInfoFileModule::saveNode(const INodePtr& node)
{
// Don't export the layer settings for models and particles, as they are not there
// at map load/parse time - these shouldn't even be passed in here
assert(Node_isEntity(node) || Node_isPrimitive(node));
// Open a Node block
_output << "\t\t" << NODE << " { ";
scene::LayerList layers = node->getLayers();
// Write a space-separated list of node IDs
for (const scene::LayerList::value_type& i : layers)
{
_output << i << " ";
}
// Close the Node block
_output << "}";
// Write additional node info, for easier debugging of layer issues
_output << " // " << getNodeInfo(node);
_output << std::endl;
_layerInfoCount++;
}
void LayerInfoFileModule::writeBlocks(std::ostream& stream)
{
// Write the layer names block
stream << _layerNameBuffer.str();
// Write the NodeToLayerMapping block
stream << "\t" << NODE_TO_LAYER_MAPPING << std::endl;
stream << "\t{" << std::endl;
// Write the output buffer to the stream
stream << _output.rdbuf();
// Closing braces of NodeToLayerMapping block
stream << "\t}" << std::endl;
rMessage() << _layerInfoCount << " node-to-layer mappings written." << std::endl;
}
void LayerInfoFileModule::onInfoFileSaveFinished()
{
clear();
}
void LayerInfoFileModule::onInfoFileLoadStart()
{
clear();
}
bool LayerInfoFileModule::canParseBlock(const std::string& blockName)
{
return blockName == LAYERS || blockName == NODE_TO_LAYER_MAPPING;
}
void LayerInfoFileModule::parseBlock(const std::string& blockName, parser::DefTokeniser& tok)
{
assert(canParseBlock(blockName));
if (blockName == LAYERS)
{
parseLayerNames(tok);
}
else if (blockName == NODE_TO_LAYER_MAPPING)
{
parseNodeToLayerMapping(tok);
}
}
void LayerInfoFileModule::parseLayerNames(parser::DefTokeniser& tok)
{
// The opening brace
tok.assertNextToken("{");
while (tok.hasMoreTokens())
{
std::string token = tok.nextToken();
if (token == LAYER)
{
// Get the ID
std::string layerIDStr = tok.nextToken();
int layerID = string::convert<int>(layerIDStr);
tok.assertNextToken("{");
// Assemble the name
std::string name;
token = tok.nextToken();
while (token != "}")
{
name += token;
token = tok.nextToken();
}
rMessage() << "[InfoFile]: Parsed layer #" << layerID << " with name " << name << std::endl;
_layerNames.insert(LayerNameMap::value_type(layerID, name));
continue;
}
if (token == "}")
{
break;
}
}
}
void LayerInfoFileModule::parseNodeToLayerMapping(parser::DefTokeniser& tok)
{
// The opening brace
tok.assertNextToken("{");
while (tok.hasMoreTokens())
{
std::string token = tok.nextToken();
if (token == NODE)
{
tok.assertNextToken("{");
// Create a new LayerList
_layerMappings.push_back(scene::LayerList());
while (tok.hasMoreTokens())
{
std::string nodeToken = tok.nextToken();
if (nodeToken == "}")
{
break;
}
// Add the ID to the list
_layerMappings.back().insert(string::convert<int>(nodeToken));
}
}
if (token == "}")
{
break;
}
}
}
void LayerInfoFileModule::applyInfoToScene(const IMapRootNodePtr& root, const map::NodeIndexMap& nodeMap)
{
// Create the layers according to the data found in the map information file
for (const LayerNameMap::value_type& i : _layerNames)
{
// Create the named layer with the saved ID
root->getLayerManager().createLayer(i.second, i.first);
}
// Set the layer mapping iterator to the beginning
LayerLists::const_iterator mapping = _layerMappings.begin();
// Assign the layers
root->foreachNode([&](const INodePtr& node)
{
// To prevent all the support node types from getting layers assigned
// filter them out, only Entities and Primitives get mapped in the info file
if (Node_isEntity(node) || Node_isPrimitive(node))
{
// Check if the node index is out of bounds
if (mapping == _layerMappings.end())
{
node->assignToLayers(_standardLayerList);
return true;
}
// Retrieve the next set of layer mappings and assign them
node->assignToLayers(*(mapping++));
return true;
}
// All other node types inherit the layers from their parent node
// Model / particle / target line
scene::INodePtr parent = node->getParent();
if (parent)
{
node->assignToLayers(parent->getLayers());
}
return true;
});
rMessage() << "Sanity-checking the layer assignments...";
// Sanity-check the layer mapping, it's possible that some .darkradiant
// files are mapping nodes to non-existent layer IDs
LayerValidityCheckWalker checker;
root->traverseChildren(checker);
rMessage() << "done, had to fix " << checker.getNumFixed() << " assignments." << std::endl;
}
void LayerInfoFileModule::onInfoFileLoadFinished()
{
clear();
}
}