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/***************************************************************************
* Copyright (C) 2005-2013 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 "gridrenderer.h"
namespace FIFE {
/** Logger to use for this source file.
* @relates Logger
*/
static Logger _log(LM_VIEWVIEW);
GridRenderer::GridRenderer(RenderBackend* renderbackend, int32_t position):
RendererBase(renderbackend, position) {
setEnabled(false);
m_color.r = 0;
m_color.g = 255;
m_color.b = 0;
}
GridRenderer::GridRenderer(const GridRenderer& old):
RendererBase(old),
m_color(old.m_color) {
setEnabled(false);
}
RendererBase* GridRenderer::clone() {
return new GridRenderer(*this);
}
GridRenderer::~GridRenderer() {
}
GridRenderer* GridRenderer::getInstance(IRendererContainer* cnt) {
return dynamic_cast<GridRenderer*>(cnt->getRenderer("GridRenderer"));
}
void GridRenderer::render(Camera* cam, Layer* layer, RenderList& instances) {
CellGrid* cg = layer->getCellGrid();
if (!cg) {
FL_WARN(_log, "No cellgrid assigned to layer, cannot draw grid");
return;
}
//
// //render elev_coord box
// //draw front quad
// // 1,1,1
// //1,-1,1
// //-1,-1,1
// //-1,1,1
//We don't need the elevation box atm
// Point a,b,c,d;
//
//
// ScreenPoint copt1 =cam->toScreenCoordinates(ExactModelCoordinate(1,1,1) );
// ScreenPoint copt2 =cam->toScreenCoordinates(ExactModelCoordinate(1,-1,1) );
// Point coptt1(copt1.x,copt1.y);
// Point coptt2(copt2.x,copt2.y);
// m_renderbackend->drawLine(coptt1,coptt2 ,15, 15, 200);
// a = coptt1;
//
// copt1 =cam->toScreenCoordinates(ExactModelCoordinate(1,-1,1) );
// copt2 =cam->toScreenCoordinates(ExactModelCoordinate(-1,-1,1) );
// coptt1 = Point(copt1.x,copt1.y);
// coptt2 = Point(copt2.x,copt2.y);
// m_renderbackend->drawLine(coptt1,coptt2 ,15, 15, 200);
// b = coptt1;
//
// copt1 =cam->toScreenCoordinates(ExactModelCoordinate(-1,-1,1) );
// copt2 =cam->toScreenCoordinates(ExactModelCoordinate(-1,1,1) );
// coptt1 = Point(copt1.x,copt1.y);
// coptt2 = Point(copt2.x,copt2.y);
// m_renderbackend->drawLine(coptt1,coptt2 ,15, 15, 200);
// c = coptt1;
//
// copt1 =cam->toScreenCoordinates(ExactModelCoordinate(-1,1,1) );
// copt2 =cam->toScreenCoordinates(ExactModelCoordinate(1,1,1) );
// coptt1 = Point(copt1.x,copt1.y);
// coptt2 = Point(copt2.x,copt2.y);
// m_renderbackend->drawLine(coptt1,coptt2 ,15, 15, 20);
// d = coptt1;
//
// m_renderbackend->drawQuad(a,b,c,d,15, 15, 200);
//
//
// //draw back quad
// copt1 =cam->toScreenCoordinates(ExactModelCoordinate(-1,-1,-1) );
// copt2 =cam->toScreenCoordinates(ExactModelCoordinate(-1,1,-1) );
// coptt1 = Point(copt1.x,copt1.y);
// coptt2 = Point(copt2.x,copt2.y);
// m_renderbackend->drawLine(coptt1,coptt2 ,200, 200, 200);
//
// copt1 =cam->toScreenCoordinates(ExactModelCoordinate(-1,1,-1) );
// copt2 =cam->toScreenCoordinates(ExactModelCoordinate(1,1,-1) );
// coptt1 = Point(copt1.x,copt1.y);
// coptt2 = Point(copt2.x,copt2.y);
// m_renderbackend->drawLine(coptt1,coptt2 ,200, 200, 200);
//
// copt1 =cam->toScreenCoordinates(ExactModelCoordinate(1,1,-1) );
// copt2 =cam->toScreenCoordinates(ExactModelCoordinate(1,-1,-1) );
// coptt1 = Point(copt1.x,copt1.y);
// coptt2 = Point(copt2.x,copt2.y);
// m_renderbackend->drawLine(coptt1,coptt2 ,200, 200, 200);
//
// copt1 =cam->toScreenCoordinates(ExactModelCoordinate(1,-1,-1) );
// copt2 =cam->toScreenCoordinates(ExactModelCoordinate(-1,-1,-1) );
// coptt1 = Point(copt1.x,copt1.y);
// coptt2 = Point(copt2.x,copt2.y);
// m_renderbackend->drawLine(coptt1,coptt2 ,200, 200, 200);
// make the viewport 25% larger
Rect cv = cam->getViewPort();
int32_t cvx2 = round((cv.x+cv.w) * 1.25);
int32_t cvy2 = round((cv.y+cv.h) * 1.25);
cv.x -= round((cv.x+cv.w) * 0.125);
cv.y -= round((cv.y+cv.h) * 0.125);
RenderList::const_iterator instance_it = instances.begin();
for (;instance_it != instances.end(); ++instance_it) {
Instance* instance = (*instance_it)->instance;
std::vector<ExactModelCoordinate> vertices;
cg->getVertices(vertices, instance->getLocationRef().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;
if (cpt1.x < cv.x) cpt1.x = cv.x;
if (cpt2.x < cv.x) cpt2.x = cv.x;
if (cpt1.y < cv.y) cpt1.y = cv.y;
if (cpt2.y < cv.y) cpt2.y = cv.y;
if (cpt1.x > cvx2) cpt1.x = cvx2;
if (cpt2.x > cvx2) cpt2.x = cvx2;
if (cpt1.y > cvy2) cpt1.y = cvy2;
if (cpt2.y > cvy2) cpt2.y = cvy2;
m_renderbackend->drawLine(cpt1, cpt2, m_color.r, m_color.g, m_color.b);
pt1 = pt2;
}
if ((pt2.x >= cv.x) && (pt2.x <= cvx2) && (pt2.y >= cv.y) && (pt2.y <= cvy2)) {
if ((firstpt.x >= cv.x) && (firstpt.x <= cvx2) && (firstpt.y >= cv.y) && (firstpt.y <= cvy2)) {
m_renderbackend->drawLine(pt2, Point(firstpt.x, firstpt.y), m_color.r, m_color.g, m_color.b);
}
}
}
}
void GridRenderer::setColor(Uint8 r, Uint8 g, Uint8 b) {
m_color.r = r;
m_color.g = g;
m_color.b = b;
}
}
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