meshman.cpp

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * xoreos 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#include "src/common/util.h"

#include "src/graphics/mesh/meshman.h"
#include "src/graphics/mesh/meshwirebox.h"
#include "src/graphics/mesh/meshfont.h"
#include "src/graphics/mesh/meshquad.h"

DECLARE_SINGLETON(Graphics::Mesh::MeshManager)

namespace Graphics {

namespace Mesh {

MeshManager::MeshManager() {
}

MeshManager::~MeshManager() {
    deinit();
}

void MeshManager::init() {
    status("Initialising default mesh containers...");

    MeshWireBox *wirebox = new MeshWireBox();
    wirebox->init();
    wirebox->setName("defaultWireBox");
    _resourceMap[wirebox->getName()] = wirebox;

    MeshFont *meshFont = new MeshFont();
    meshFont->init();
    meshFont->setName("defaultMeshFont");
    _resourceMap[meshFont->getName()] = meshFont;

    MeshQuad *meshQuad = new MeshQuad();
    meshQuad->init();
    meshQuad->setName("defaultMeshQuad");
    _resourceMap[meshQuad->getName()] = meshQuad;
}

void MeshManager::deinit() {
    for (std::map<Common::UString, Mesh *>::iterator iter = _resourceMap.begin(); iter != _resourceMap.end(); ++iter) {
        delete iter->second;
    }
    _resourceMap.clear();
}

void MeshManager::cleanup() {
    std::map<Common::UString, Mesh *>::iterator iter = _resourceMap.begin();
    while (iter != _resourceMap.end()) {
        Mesh *mesh = iter->second;
        if (mesh->useCount() == 0) {
            iter = delResource(iter);
        } else {
            iter++;
        }
    }
}

void MeshManager::addMesh(Mesh *mesh) {
    if (!mesh) {
        return;
    }

    std::map<Common::UString, Mesh *>::iterator iter = _resourceMap.find(mesh->getName());
    if (iter == _resourceMap.end()) {
        _resourceMap[mesh->getName()] = mesh;
    }
}

void MeshManager::delMesh(Mesh *mesh) {
    if (!mesh) {
        return;
    }

    std::map<Common::UString, Mesh *>::iterator iter = _resourceMap.find(mesh->getName());
    if (iter != _resourceMap.end()) {
        delResource(iter);
    }
}

Mesh *MeshManager::getMesh(const Common::UString &name) {
    std::map<Common::UString, Mesh *>::iterator iter = _resourceMap.find(name);
    if (iter != _resourceMap.end()) {
        return iter->second;
    } else {
        return 0;
    }
}

std::map<Common::UString, Mesh *>::iterator MeshManager::delResource(std::map<Common::UString, Mesh *>::iterator iter) {
    std::map<Common::UString, Mesh *>::iterator inext = iter;
    inext++;
    delete iter->second;
    _resourceMap.erase(iter);

    return inext;
}

} // End of namespace Mesh

} // End of namespace Graphics