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/***************************************************************************
* Copyright (C) 2005-2019 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 *
***************************************************************************/
// 3rd party library includes
#include <Rocket/Core.h>
#include <Rocket/Controls.h>
#ifdef _DEBUG
#include <Rocket/Debugger.h>
#endif
// 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 "util/base/exception.h"
#include "util/time/timemanager.h"
#include "librocketmanager.h"
#include "base/librocketinputprocessor.h"
#include "base/librocketrenderinterface.h"
namespace FIFE {
LibRocketManager::LibRocketManager()
:
m_renderInterface(new LibRocketRenderInterface),
m_inputProcessor(NULL) {
Rocket::Core::SetSystemInterface(this);
Rocket::Core::SetRenderInterface(m_renderInterface);
Rocket::Core::Initialise();
Rocket::Controls::Initialise();
}
LibRocketManager::~LibRocketManager() {
unloadDocuments();
m_context->RemoveReference();
Rocket::Core::Shutdown();
delete m_renderInterface;
delete m_inputProcessor;
}
void LibRocketManager::init(const std::string& backend, int32_t screenWidth, int32_t screenHeight) {
m_context = Rocket::Core::CreateContext("default", Rocket::Core::Vector2i(screenWidth, screenHeight));
#ifdef _DEBUG
Rocket::Debugger::Initialise(m_context);
#endif
m_inputProcessor = new LibRocketInputProcessor(m_context);
}
float LibRocketManager::GetElapsedTime() {
static TimeManager *timeManager = TimeManager::instance();
return timeManager->getTime() / 1000.0f;
}
void LibRocketManager::turn() {
m_inputProcessor->turn();
m_context->Update();
m_context->Render();
m_renderInterface->render();
m_renderInterface->freeTextures();
//m_renderInterface->reset();
}
void LibRocketManager::resizeTopContainer(uint32_t x, uint32_t y, uint32_t width, uint32_t height) {
m_context->SetDimensions(Rocket::Core::Vector2i(width, height));
}
Rocket::Core::ElementDocument* LibRocketManager::loadDocument(const std::string& id, const std::string& documentPath) {
if(m_openDocuments.find(id) != m_openDocuments.end()) {
throw GuiException("Id: " + id + " already used!");
}
Rocket::Core::String rocketDocumentPath(documentPath.c_str());
Rocket::Core::ElementDocument* document = m_context->LoadDocument(rocketDocumentPath);
if(document != NULL) {
m_openDocuments[id] = document;
} else {
throw GuiException("Could not load document " + documentPath + "!");
}
return document;
}
Rocket::Core::ElementDocument* LibRocketManager::getDocument(const std::string& id) {
std::map<std::string, Rocket::Core::ElementDocument*>::iterator doc(m_openDocuments.find(id));
if(doc == m_openDocuments.end()) {
throw GuiException("Rocket document with id " + id + " doesn't exist!");
}
return doc->second;
}
void LibRocketManager::unloadDocument(Rocket::Core::ElementDocument* document) {
std::map<std::string, Rocket::Core::ElementDocument*>::iterator currDoc(m_openDocuments.begin());
std::map<std::string, Rocket::Core::ElementDocument*>::iterator endDocs(m_openDocuments.end());
for(; currDoc != endDocs;) {
if(currDoc->second == document) {
m_context->UnloadDocument(currDoc->second);
m_openDocuments.erase(currDoc);
break;
}
++currDoc;
}
}
void LibRocketManager::unloadDocument(const std::string& id) {
std::map<std::string, Rocket::Core::ElementDocument*>::iterator doc(m_openDocuments.find(id));
if(doc != m_openDocuments.end()) {
m_context->UnloadDocument(doc->second);
m_openDocuments.erase(doc);
}
}
void LibRocketManager::loadFont(const std::string& filepath) {
Rocket::Core::String rocketFontPath(filepath.c_str());
bool succeeded = Rocket::Core::FontDatabase::LoadFontFace(rocketFontPath);
if(!succeeded) {
throw GuiException("Librocket cannot open font: " + filepath);
}
}
bool LibRocketManager::onSdlEvent(SDL_Event& evt) {
return (m_inputProcessor != NULL) ? m_inputProcessor->onSdlEvent(evt)
: false;
}
void LibRocketManager::showDebugger() const {
#ifdef _DEBUG
if(!Rocket::Debugger::IsVisible()) {
Rocket::Debugger::SetVisible(true);
}
#endif
}
void LibRocketManager::hideDebugger() const {
#ifdef _DEBUG
if(Rocket::Debugger::IsVisible()) {
Rocket::Debugger::SetVisible(false);
}
#endif
}
void LibRocketManager::unloadDocuments() {
std::map<std::string, Rocket::Core::ElementDocument*>::iterator currDoc(m_openDocuments.begin());
std::map<std::string, Rocket::Core::ElementDocument*>::iterator endDocs(m_openDocuments.end());
for(; currDoc != endDocs; ++currDoc) {
m_context->UnloadDocument(currDoc->second);
}
m_openDocuments.clear();
}
};
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