Files
axyz/src/Engine/Core/EntityFileParser.cpp
T

62 lines
2.8 KiB
C++

#include "Core/EntityFileParser.h"
EntityFileParser::EntityFileParser(const EntityFile* entityFile)
: m_EntityFile(entityFile)
{
m_Handler.SetStartEntityCallback(std::bind(&EntityFileParser::onStartEntity, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
m_Handler.SetStartComponentCallback(std::bind(&EntityFileParser::onStartComponent, this, std::placeholders::_1, std::placeholders::_2));
m_Handler.SetStartFieldCallback(std::bind(&EntityFileParser::onStartComponentField, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4));
m_Handler.SetStartFieldDataCallback(std::bind(&EntityFileParser::onFieldData, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4));
}
void EntityFileParser::MergeEntities(World* world)
{
m_World = world;
m_EntityIDMapper[0] = 0;
m_EntityFile->Parse(&m_Handler);
}
void EntityFileParser::onStartEntity(EntityID entity, EntityID parent, const std::string& name)
{
EntityID realParent = m_EntityIDMapper.at(parent);
EntityID realEntity = m_World->CreateEntity(realParent);
if (!name.empty()) {
m_World->SetName(realEntity, name);
}
m_EntityIDMapper[entity] = realEntity;
LOG_DEBUG("Created entity #%i (%i) with parent %i (%i)", entity, realEntity, parent, realParent);
}
void EntityFileParser::onStartComponent(EntityID entity, const std::string& component)
{
EntityID realEntity = m_EntityIDMapper.at(entity);
m_World->AttachComponent(realEntity, component);
LOG_DEBUG("Attached component of type \"%s\" to entity #%i (%i)", component.c_str(), entity, realEntity);
}
void EntityFileParser::onStartComponentField(EntityID entity, const std::string& componentType, const std::string& fieldName, const std::map<std::string, std::string>& attributes)
{
EntityID realEntity = m_EntityIDMapper.at(entity);
ComponentWrapper component = m_World->GetComponent(realEntity, componentType);
auto& field = component.Info.Fields.at(fieldName);
LOG_DEBUG("Field \"%s\" type \"%s\"", fieldName.c_str(), field.Type.c_str());
LOG_DEBUG("Attributes:");
for (auto& kv : attributes) {
LOG_DEBUG("\t%s = %s", kv.first.c_str(), kv.second.c_str());
}
char* data = component.Data + field.Offset;
EntityFile::WriteAttributeData(data, field, attributes);
}
void EntityFileParser::onFieldData(EntityID entity, const std::string& componentType, const std::string& fieldName, const char* fieldData)
{
EntityID realEntity = m_EntityIDMapper.at(entity);
ComponentWrapper component = m_World->GetComponent(realEntity, componentType);
auto& field = component.Info.Fields.at(fieldName);
char* data = component.Data + field.Offset;
EntityFile::WriteValueData(data, field, fieldData);
}