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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 *
***************************************************************************/
// 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 "video/renderbackend.h"
#include "util/math/fife_math.h"
#include "util/log/logger.h"
#include "model/metamodel/grids/cellgrid.h"
#include "model/structures/instance.h"
#include "model/structures/layer.h"
#include "model/structures/location.h"
#include "view/camera.h"
#include "cellselectionrenderer.h"
namespace FIFE {
/** Logger to use for this source file.
* @relates Logger
*/
static Logger _log(LM_VIEWVIEW);
CellSelectionRenderer::CellSelectionRenderer(RenderBackend* renderbackend, int32_t position):
RendererBase(renderbackend, position) {
setEnabled(false);
m_color.r = 255;
m_color.g = 0;
m_color.b = 0;
}
CellSelectionRenderer::CellSelectionRenderer(const CellSelectionRenderer& old):
RendererBase(old),
m_color(old.m_color) {
setEnabled(false);
}
RendererBase* CellSelectionRenderer::clone() {
return new CellSelectionRenderer(*this);
}
CellSelectionRenderer::~CellSelectionRenderer() {
}
CellSelectionRenderer* CellSelectionRenderer::getInstance(IRendererContainer* cnt) {
return dynamic_cast<CellSelectionRenderer*>(cnt->getRenderer("CellSelectionRenderer"));
}
void CellSelectionRenderer::reset() {
m_locations.clear();
}
void CellSelectionRenderer::selectLocation(const Location* loc) {
if (loc) {
std::vector<Location>::const_iterator it = m_locations.begin();
for (; it != m_locations.end(); it++) {
if ((*it).getLayerCoordinates() == loc->getLayerCoordinates()) {
return;
}
}
m_locations.push_back(Location(*loc));
}
}
void CellSelectionRenderer::deselectLocation(const Location* loc) {
if (loc) {
std::vector<Location>::iterator it = m_locations.begin();
for (; it != m_locations.end(); it++) {
if ((*it).getLayerCoordinates() == loc->getLayerCoordinates()) {
m_locations.erase(it);
break;
}
}
}
}
void CellSelectionRenderer::render(Camera* cam, Layer* layer, RenderList& instances) {
if (m_locations.empty()) {
return;
}
std::vector<Location>::const_iterator locit = m_locations.begin();
for (; locit != m_locations.end(); locit++) {
const Location loc = *locit;
if (layer != loc.getLayer()) {
continue;
}
CellGrid* cg = layer->getCellGrid();
if (!cg) {
FL_WARN(_log, "No cellgrid assigned to layer, cannot draw selection");
continue;
}
std::vector<ExactModelCoordinate> vertices;
cg->getVertices(vertices, loc.getLayerCoordinates());
std::vector<ExactModelCoordinate>::const_iterator it = vertices.begin();
ScreenPoint firstpt = cam->toScreenCoordinates(cg->toMapCoordinates(*it));
Point pt1(firstpt.x, firstpt.y);
Point pt2;
++it;
for (; it != vertices.end(); it++) {
ScreenPoint pts = cam->toScreenCoordinates(cg->toMapCoordinates(*it));
pt2.x = pts.x; pt2.y = pts.y;
Point cpt1 = pt1;
Point cpt2 = pt2;
m_renderbackend->drawLine(cpt1, cpt2, m_color.r, m_color.g, m_color.b);
pt1 = pt2;
}
m_renderbackend->drawLine(pt2, Point(firstpt.x, firstpt.y), m_color.r, m_color.g, m_color.b);
}
}
void CellSelectionRenderer::setColor(uint8_t r, uint8_t g, uint8_t b) {
m_color.r = r;
m_color.g = g;
m_color.b = b;
}
}
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