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/**************************************************************************
* Copyright (C) 2005-2011 by the FIFE team *
* http://www.fifengine.net *
* This file is part of FIFE. *
* *
* FIFE is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
// Standard C++ library includes
// 3rd party library includes
// FIFE includes
// These includes are split up in two parts, separated by one empty line
// First block: files included from the FIFE root src directory
// Second block: files included from the same folder
#include "ext/tinyxml/fife_tinyxml.h"
#include "util/log/logger.h"
#include "model/model.h"
#include "model/metamodel/object.h"
#include "model/metamodel/action.h"
#include "vfs/fife_boost_filesystem.h"
#include "vfs/vfs.h"
#include "vfs/raw/rawdata.h"
#include "view/visual.h"
#include "video/imagemanager.h"
#include "objectloader.h"
#include "animationloader.h"
namespace FIFE {
static Logger _log(LM_NATIVE_LOADERS);
ObjectLoader::ObjectLoader(Model* model, VFS* vfs, ImageManager* imageManager, const AnimationLoaderPtr& animationLoader)
: m_model(model), m_vfs(vfs), m_imageManager(imageManager) {
assert(m_model && m_vfs && m_imageManager);
if (animationLoader) {
m_animationLoader = animationLoader;
}
else {
m_animationLoader.reset(new AnimationLoader(m_vfs, m_imageManager));
}
}
ObjectLoader::~ObjectLoader() {
}
void ObjectLoader::setAnimationLoader(const AnimationLoaderPtr& animationLoader) {
assert(animationLoader);
m_animationLoader = animationLoader;
}
bool ObjectLoader::isLoadable(const std::string& filename) const {
bfs::path objectPath(filename);
TiXmlDocument objectFile;
try {
RawData* data = m_vfs->open(objectPath.string());
if (data) {
if (data->getDataLength() != 0) {
objectFile.Parse(data->readString(data->getDataLength()).c_str());
if (objectFile.Error()) {
std::ostringstream oss;
oss << " Failed to load"
<< objectPath.string()
<< " : " << __FILE__
<< " [" << __LINE__ << "]"
<< std::endl;
FL_ERR(_log, oss.str());
return false;
}
}
else {
std::ostringstream oss;
oss << " Failed to load"
<< objectPath.string()
<< " : " << __FILE__
<< " [" << __LINE__ << "]"
<< std::endl;
FL_ERR(_log, oss.str());
return false;
}
// done with data delete resource
delete data;
data = 0;
}
else {
std::ostringstream oss;
oss << " Failed to load"
<< objectPath.string()
<< " : " << __FILE__
<< " [" << __LINE__ << "]"
<< std::endl;
FL_ERR(_log, oss.str());
return false;
}
}
catch (NotFound&) {
std::ostringstream oss;
oss << " Failed to load"
<< objectPath.string()
<< " : " << __FILE__
<< " [" << __LINE__ << "]"
<< std::endl;
FL_ERR(_log, oss.str());
// TODO - should we abort here
// or rethrow the exception
// or just keep going
return false;
}
// if we get here then loading the file went well
TiXmlElement* root = objectFile.RootElement();
if (root && root->ValueStr() == "object") {
return true;
}
else {
return false;
}
}
void ObjectLoader::load(const std::string& filename) {
bfs::path objectPath(filename);
TiXmlDocument objectFile;
try {
RawData* data = m_vfs->open(objectPath.string());
if (data) {
if (data->getDataLength() != 0) {
objectFile.Parse(data->readString(data->getDataLength()).c_str());
if (objectFile.Error()) {
return;
}
}
// done with data delete resource
delete data;
data = 0;
}
}
catch (NotFound&) {
std::ostringstream oss;
oss << " Failed to load"
<< objectPath.string()
<< " : " << __FILE__
<< " [" << __LINE__ << "]"
<< std::endl;
FL_ERR(_log, oss.str());
// TODO - should we abort here
// or rethrow the exception
// or just keep going
return;
}
// if we get here then loading the file went well
TiXmlElement* root = objectFile.RootElement();
if (root && root->ValueStr() == "object") {
const std::string* objectId = root->Attribute(std::string("id"));
const std::string* namespaceId = root->Attribute(std::string("namespace"));
Object* obj = NULL;
if (objectId && namespaceId) {
const std::string* parentId = root->Attribute(std::string("parent"));
if (parentId) {
Object* parent = m_model->getObject(*parentId, *namespaceId);
if (parent) {
try {
obj = m_model->createObject(*objectId, *namespaceId, parent);
}
catch (NameClash&) {
// TODO - handle exception
assert(false);
}
}
}
else {
// this will make sure the object has not already been loaded
if (m_model->getObject(*objectId, *namespaceId) == NULL) {
try {
obj = m_model->createObject(*objectId, *namespaceId);
}
catch (NameClash &e) {
FL_ERR(_log, e.what());
// TODO - handle exception
assert(false);
}
}
}
}
if (obj) {
obj->setFilename(objectPath.string());
ObjectVisual::create(obj);
int isBlocking = 0;
root->QueryIntAttribute("blocking", &isBlocking);
obj->setBlocking(isBlocking!=0);
int isStatic = 0;
root->QueryIntAttribute("static", &isStatic);
obj->setStatic(isStatic!=0);
const std::string* pather = root->Attribute(std::string("pather"));
if (pather) {
obj->setPather(m_model->getPather(*pather));
}
else {
obj->setPather(m_model->getPather("RoutePather"));
}
// loop over all image tags
for (TiXmlElement* imageElement = root->FirstChildElement("image"); imageElement; imageElement = imageElement->NextSiblingElement("image")) {
const std::string* sourceId = imageElement->Attribute(std::string("source"));
if (sourceId) {
bfs::path imagePath(filename);
if (HasParentPath(imagePath)) {
imagePath = GetParentPath(imagePath) / *sourceId;
} else {
imagePath = bfs::path(*sourceId);
}
ImagePtr imagePtr;
if(!m_imageManager->exists(imagePath.string())) {
imagePtr = m_imageManager->create(imagePath.string());
}
else {
imagePtr = m_imageManager->getPtr(imagePath.string());
}
if (imagePtr) {
int xOffset = 0;
int success = imageElement->QueryIntAttribute("x_offset", &xOffset);
if (success == TIXML_SUCCESS) {
imagePtr->setXShift(xOffset);
}
int yOffset = 0;
success = imageElement->QueryIntAttribute("y_offset", &yOffset);
if (success == TIXML_SUCCESS) {
imagePtr->setYShift(yOffset);
}
int direction = 0;
success = imageElement->QueryIntAttribute("direction", &direction);
if (success == TIXML_SUCCESS) {
ObjectVisual* objVisual = obj->getVisual<ObjectVisual>();
if (objVisual) {
objVisual->addStaticImage(direction, static_cast<int32_t>(imagePtr->getHandle()));
}
}
}
}
}
for (TiXmlElement* actionElement = root->FirstChildElement("action"); actionElement; actionElement = actionElement->NextSiblingElement("action")) {
const std::string* actionId = actionElement->Attribute(std::string("id"));
if (actionId) {
Action* action = obj->createAction(*actionId);
ActionVisual::create(action);
for (TiXmlElement* animElement = actionElement->FirstChildElement("animation"); animElement; animElement = animElement->NextSiblingElement("animation")) {
const std::string* sourceId = animElement->Attribute(std::string("atlas"));
if(sourceId) {
bfs::path atlasPath(filename);
if (HasParentPath(atlasPath)) {
atlasPath = GetParentPath(atlasPath) / *sourceId;
} else {
atlasPath = bfs::path(*sourceId);
}
ImagePtr atlasImgPtr;
// we need to load this since its shared image
if(!m_imageManager->exists(atlasPath.string())) {
atlasImgPtr = m_imageManager->create(atlasPath.string());
}
else {
atlasImgPtr = m_imageManager->getPtr(atlasPath.string());
}
int animFrames = 0;
int animDelay = 0;
int animXoffset = 0;
int animYoffset = 0;
int frameWidth = 0;
int frameHeight = 0;
animElement->QueryValueAttribute("width", &frameWidth);
animElement->QueryValueAttribute("height", &frameHeight);
animElement->QueryValueAttribute("frames", &animFrames);
animElement->QueryValueAttribute("delay", &animDelay);
animElement->QueryValueAttribute("x_offset", &animXoffset);
animElement->QueryValueAttribute("y_offset", &animYoffset);
int nDir = 0;
for (TiXmlElement* dirElement = animElement->FirstChildElement("direction");
dirElement; dirElement = dirElement->NextSiblingElement("direction")) {
AnimationPtr animation(new Animation);
int dir;
dirElement->QueryIntAttribute("dir", &dir);
int frames;
int success;
success = dirElement->QueryValueAttribute("frames", &frames);
if(success != TIXML_SUCCESS) {
frames = animFrames;
}
int delay;
success = dirElement->QueryValueAttribute("delay", &delay);
if(success != TIXML_SUCCESS) {
delay = animDelay;
}
int xoffset;
success = dirElement->QueryValueAttribute("x_offset", &xoffset);
if(success != TIXML_SUCCESS) {
xoffset = animXoffset;
}
int yoffset;
success = dirElement->QueryValueAttribute("y_offset", &yoffset);
if(success != TIXML_SUCCESS) {
yoffset = animYoffset;
}
int action_frame;
success = dirElement->QueryValueAttribute("action", &action_frame);
if(success == TIXML_SUCCESS) {
animation->setActionFrame(action_frame);
}
for (int iframe = 0; iframe < frames; ++iframe) {
static char tmpBuf[64];
sprintf(tmpBuf, "%03d:%04d", dir, iframe);
std::string frameId = *objectId + ":" + *actionId + ":" + std::string(tmpBuf);
ImagePtr framePtr;
if (!m_imageManager->exists(frameId)) {
framePtr = m_imageManager->create(frameId);
Rect region(
frameWidth * iframe, frameHeight * nDir, frameWidth, frameHeight
);
framePtr->useSharedImage(atlasImgPtr, region);
framePtr->setXShift(xoffset);
framePtr->setYShift(yoffset);
}
else {
framePtr = m_imageManager->getPtr(frameId);
}
animation->addFrame(framePtr, delay);
}
ActionVisual* actionVisual = action->getVisual<ActionVisual>();
if(actionVisual) {
actionVisual->addAnimation(dir, animation);
action->setDuration(animation->getDuration());
}
++nDir;
}
} else {
sourceId = animElement->Attribute(std::string("source"));
if (sourceId) {
bfs::path animPath(filename);
if (HasParentPath(animPath)) {
animPath = GetParentPath(animPath) / *sourceId;
} else {
animPath = bfs::path(*sourceId);
}
AnimationPtr animation;
if (m_animationLoader && m_animationLoader->isLoadable(animPath.string())) {
animation = m_animationLoader->load(animPath.string());
}
int direction = 0;
int success = animElement->QueryIntAttribute("direction", &direction);
if (action && animation) {
ActionVisual* actionVisual = action->getVisual<ActionVisual>();
if (actionVisual) {
actionVisual->addAnimation(direction, animation);
action->setDuration(animation->getDuration());
}
}
}
}
}
}
}
}
}
}
}
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