Renamed EntityFile to EntityXMLFile to be able to separate file parsing from entity creation

2016-03-02 18:42:11 +01:00
parent 62c8196ad4
commit 26d6546d79
33 changed files with 121 additions and 121 deletions
@@ -0,0 +1,84 @@
+#include "Core/EntityXMLFileParser.h"
+
+EntityXMLFileParser::EntityXMLFileParser(const EntityXMLFile* entityFile)
+    : m_EntityFile(entityFile)
+{
+    m_Handler.SetStartEntityCallback(std::bind(&EntityXMLFileParser::onStartEntity, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
+    m_Handler.SetStartComponentCallback(std::bind(&EntityXMLFileParser::onStartComponent, this, std::placeholders::_1, std::placeholders::_2));
+    m_Handler.SetStartFieldCallback(std::bind(&EntityXMLFileParser::onStartComponentField, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4));
+    m_Handler.SetStartFieldDataCallback(std::bind(&EntityXMLFileParser::onFieldData, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4));
+}
+
+EntityID EntityXMLFileParser::MergeEntities(World* world, EntityID baseParent /*= EntityID_Invalid */)
+{
+    m_World = world;
+    m_EntityIDMapper[0] = baseParent;
+    m_EntityFile->Parse(&m_Handler);
+    return m_FirstEntity;
+}
+
+void EntityXMLFileParser::onStartEntity(EntityID entity, EntityID parent, const std::string& name)
+{
+    EntityID realParent = m_EntityIDMapper.at(parent);
+    EntityID realEntity = m_World->CreateEntity(realParent);
+    if (m_FirstEntity == EntityID_Invalid) {
+        m_FirstEntity = realEntity;
+    }
+    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 EntityXMLFileParser::onStartComponent(EntityID entity, const std::string& component)
+{
+    if (m_World->GetComponentPools().count(component) != 0) {
+        EntityID realEntity = m_EntityIDMapper.at(entity);
+        m_World->AttachComponent(realEntity, component);
+    } else {
+        LOG_ERROR("Tried to attach unregistered component \"%s\"! to entity #%i. Ignoring.", component.c_str(), entity);
+    }
+    //LOG_DEBUG("Attached component of type \"%s\" to entity #%i (%i)", component.c_str(), entity, realEntity);
+}
+
+void EntityXMLFileParser::onStartComponentField(EntityID entity, const std::string& componentType, const std::string& fieldName, const std::map<std::string, std::string>& attributes)
+{
+    if (m_World->GetComponentPools().count(componentType) == 0) {
+        return;
+    }
+    EntityID realEntity = m_EntityIDMapper.at(entity);
+    ComponentWrapper component = m_World->GetComponent(realEntity, componentType);
+    auto fieldIt = component.Info.Fields.find(fieldName);
+    if (fieldIt == component.Info.Fields.end()) {
+        LOG_ERROR("Tried to set unknown field \"%s\" of component type \"%s\"! Ignoring.", fieldName.c_str(), componentType.c_str());
+        return;
+    }
+    auto& field = fieldIt->second;
+
+    //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;
+    EntityXMLFile::WriteAttributeData(data, field, attributes);
+}
+
+void EntityXMLFileParser::onFieldData(EntityID entity, const std::string& componentType, const std::string& fieldName, const char* fieldData)
+{
+    if (m_World->GetComponentPools().count(componentType) == 0) {
+        return;
+    }
+    EntityID realEntity = m_EntityIDMapper.at(entity);
+    ComponentWrapper component = m_World->GetComponent(realEntity, componentType);
+    auto fieldIt = component.Info.Fields.find(fieldName);
+    if (fieldIt == component.Info.Fields.end()) {
+        return;
+    }
+    auto& field = fieldIt->second;
+
+    char* data = component.Data + field.Offset;
+    EntityXMLFile::WriteValueData(data, field, fieldData);
+}