1 files changed, 71 insertions, 0 deletions

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+#include "prototype_manager.h"
+#include <utility>
+#include <stdexcept>
+#include "xml.h"
+
+PrototypeManager::PrototypeManager(std::string path)
+{
+  xmlDocPtr doc = xmlParseFile(path.c_str());
+  if (doc == nullptr)
+  {
+    throw std::invalid_argument("Cannot find prototypes file");
+  }
+
+  xmlNodePtr top = xmlDocGetRootElement(doc);
+  if (top == nullptr)
+  {
+    throw std::invalid_argument("Error parsing prototypes file");
+  }
+
+  if (xmlStrcmp(top->name, reinterpret_cast<const xmlChar*>("entities")))
+  {
+    throw std::invalid_argument("Error parsing prototypes file");
+  }
+
+  xmlChar* key = nullptr;
+
+  for (xmlNodePtr node = top->xmlChildrenNode;
+    node != nullptr;
+    node = node->next)
+  {
+    if (!xmlStrcmp(node->name, reinterpret_cast<const xmlChar*>("entity")))
+    {
+      key = getProp(node, "id");
+      std::string prototypeName(reinterpret_cast<char*>(key));
+      xmlFree(key);
+
+      key = getProp(node, "sprite");
+      std::string spritePath(reinterpret_cast<char*>(key));
+      xmlFree(key);
+
+      key = getProp(node, "width");
+      int width = atoi(reinterpret_cast<char*>(key));
+      xmlFree(key);
+
+      key = getProp(node, "height");
+      int height = atoi(reinterpret_cast<char*>(key));
+      xmlFree(key);
+
+      key = getProp(node, "action");
+      std::string actionStr(reinterpret_cast<char*>(key));
+      xmlFree(key);
+
+      Prototype::Action pAction = Prototype::Action::none;
+      if (actionStr == "save")
+      {
+        pAction = Prototype::Action::save;
+      }
+
+      prototypes_.emplace(
+        std::piecewise_construct,
+        std::tie(prototypeName),
+        std::tie(
+          width,
+          height,
+          spritePath,
+          pAction));
+    }
+  }
+
+  xmlFreeDoc(doc);
+}