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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 "video/image.h"
#include "video/fonts/ifont.h"
#include "util/math/fife_math.h"
#include "util/log/logger.h"
#include "model/metamodel/grids/cellgrid.h"
#include "model/metamodel/action.h"
#include "model/structures/instance.h"
#include "model/structures/layer.h"
#include "model/structures/location.h"
#include "view/camera.h"
#include "view/visual.h"
#include "coordinaterenderer.h"
namespace FIFE {
/** Logger to use for this source file.
* @relates Logger
*/
static Logger _log(LM_VIEWVIEW);
CoordinateRenderer::CoordinateRenderer(RenderBackend* renderbackend, int32_t position):
RendererBase(renderbackend, position),
m_layer_area(),
m_tmploc(),
m_c(),
m_font(0),
m_font_color(false),
m_zoom(true) {
setEnabled(false);
}
CoordinateRenderer::CoordinateRenderer(const CoordinateRenderer& old):
RendererBase(old),
m_layer_area(),
m_tmploc(),
m_c(),
m_font(old.m_font),
m_font_color(false),
m_color(old.m_color),
m_zoom(old.m_zoom) {
setEnabled(false);
}
RendererBase* CoordinateRenderer::clone() {
return new CoordinateRenderer(*this);
}
CoordinateRenderer::~CoordinateRenderer() {
}
CoordinateRenderer* CoordinateRenderer::getInstance(IRendererContainer* cnt) {
return dynamic_cast<CoordinateRenderer*>(cnt->getRenderer("CoordinateRenderer"));
}
void CoordinateRenderer::adjustLayerArea() {
m_tmploc.setMapCoordinates(m_c);
ModelCoordinate c = m_tmploc.getLayerCoordinates();
m_layer_area.x = std::min(c.x, m_layer_area.x);
m_layer_area.w = std::max(c.x, m_layer_area.w);
m_layer_area.y = std::min(c.y, m_layer_area.y);
m_layer_area.h = std::max(c.y, m_layer_area.h);
}
const int32_t MIN_COORD = -9999999;
const int32_t MAX_COORD = 9999999;
void CoordinateRenderer::render(Camera* cam, Layer* layer, RenderList& instances) {
if (!m_font) {
//no font selected.. nothing to render
return;
}
Rect r = Rect();
const bool zoomed = (!Mathd::Equal(1.0, cam->getZoom()) && m_zoom);
Rect cv = cam->getViewPort();
m_tmploc.setLayer(layer);
m_layer_area.x = MAX_COORD;
m_layer_area.y = MAX_COORD;
m_layer_area.w = MIN_COORD;
m_layer_area.h = MIN_COORD;
m_c = cam->toMapCoordinates(ScreenPoint(cv.x, cv.y), false);
adjustLayerArea();
m_c = cam->toMapCoordinates(ScreenPoint(cv.x+cv.w, cv.y), false);
adjustLayerArea();
m_c = cam->toMapCoordinates(ScreenPoint(cv.x, cv.y+cv.h), false);
adjustLayerArea();
m_c = cam->toMapCoordinates(ScreenPoint(cv.x+cv.w, cv.y+cv.h), false);
adjustLayerArea();
SDL_Color old_color = m_font->getColor();
if(old_color.r != m_color.r || old_color.g != m_color.g || old_color.b != m_color.b) {
m_font->setColor(m_color.r, m_color.g, m_color.b);
m_font_color = true;
}
for (int32_t x = m_layer_area.x-1; x < m_layer_area.w+1; x++) {
for (int32_t y = m_layer_area.y-1; y < m_layer_area.h+1; y++) {
ModelCoordinate mc(x, y);
m_tmploc.setLayerCoordinates(mc);
ScreenPoint drawpt = cam->toScreenCoordinates(m_tmploc.getMapCoordinates());
if (drawpt.x < cv.x || drawpt.x > cv.x + cv.w ||
drawpt.y < cv.y || drawpt.y > cv.y + cv.h) {
continue;
}
// we split the stringstream in three images, because so the TextRenderPool can reuse the most images.
// more to render but less images to generate
std::stringstream sts;
sts << mc.x;
Image* imgx = m_font->getAsImage(sts.str());
sts.str(",");
Image* imgc = m_font->getAsImage(sts.str());
sts.str("");
sts << mc.y;
Image* imgy = m_font->getAsImage(sts.str());
if (zoomed) {
double zoom = cam->getZoom();
r.x = drawpt.x - ((imgx->getWidth() + imgc->getWidth() + imgy->getWidth())/2) * zoom;
r.y = drawpt.y - (imgx->getHeight()/2) * zoom;
r.w = imgx->getWidth() * zoom;
r.h = imgx->getHeight() * zoom;
imgx->render(r);
r.x += r.w;
r.w = imgc->getWidth() * zoom;
imgc->render(r);
r.x += r.w;
r.w = imgy->getWidth() * zoom;
imgy->render(r);
} else {
r.x = drawpt.x - (imgx->getWidth() + imgc->getWidth() + imgy->getWidth())/2;
r.y = drawpt.y - imgx->getHeight()/2;
r.w = imgx->getWidth();
r.h = imgx->getHeight();
imgx->render(r);
r.x += r.w;
r.w = imgc->getWidth();
imgc->render(r);
r.x += r.w;
r.w = imgy->getWidth();
imgy->render(r);
}
}
}
if(m_font_color) {
m_font->setColor(old_color.r, old_color.g, old_color.b);
m_font_color = false;
}
}
void CoordinateRenderer::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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