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#include "entityfactory.h"
#include <libxml/parser.h>
#include "muxer.h"
#include <cstdio>
#include <map>
#include "components/static_image.h"
#include "components/simple_collider.h"
#include "components/physics_body.h"
#include "game.h"
struct EntityData {
char* sprite;
char* action;
bool hasPhysics;
int width;
int height;
};
static std::map<std::string, EntityData> factories;
std::shared_ptr<Entity> EntityFactory::createNamedEntity(const std::string name)
{
auto it = factories.find(name);
EntityData data = factories[name];
if (it == factories.end())
{
xmlDocPtr doc = xmlParseFile(("entities/" + name + ".xml").c_str());
if (doc == nullptr)
{
fprintf(stderr, "Error reading entity %s\n", name.c_str());
exit(-1);
}
xmlNodePtr top = xmlDocGetRootElement(doc);
if (top == nullptr)
{
fprintf(stderr, "Empty entity %s\n", name.c_str());
exit(-1);
}
if (xmlStrcmp(top->name, (const xmlChar*) "entity-def"))
{
fprintf(stderr, "Invalid entity definition %s\n", name.c_str());
exit(-1);
}
for (xmlNodePtr node = top->xmlChildrenNode; node != NULL; node = node->next)
{
if (!xmlStrcmp(node->name, (const xmlChar*) "sprite"))
{
xmlChar* key = xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
data.sprite = (char*) calloc(xmlStrlen(key)+1, sizeof(char));
strcpy(data.sprite, (char*) key);
xmlFree(key);
} else if (!xmlStrcmp(node->name, (const xmlChar*) "action"))
{
xmlChar* key = xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
data.action = (char*) calloc(xmlStrlen(key)+1, sizeof(char));
strcpy(data.action, (char*) key);
xmlFree(key);
} else if (!xmlStrcmp(node->name, (const xmlChar*) "size"))
{
xmlChar* key = xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
data.hasPhysics = true;
sscanf((char*) key, "%d,%d", &data.width, &data.height);
xmlFree(key);
}
}
xmlFreeDoc(doc);
factories[name] = data;
}
auto entity = std::make_shared<Entity>();
if (data.sprite)
{
auto component = std::make_shared<StaticImageComponent>(data.sprite);
entity->addComponent(component);
}
if (data.action)
{
if (!strcmp(data.action, "save"))
{
auto component = std::make_shared<SimpleColliderComponent>([&] (Game& game, Entity&) {
playSound("res/Pickup_Coin23.wav", 0.25);
game.saveGame();
});
entity->addComponent(component);
}
}
if (data.hasPhysics)
{
auto component = std::make_shared<PhysicsBodyComponent>();
entity->addComponent(component);
entity->size = std::make_pair(data.width, data.height);
}
return entity;
}
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