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<div class="title">instancerenderer.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/***************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2005-2008 by the FIFE team *</span>
<a name="l00003"></a>00003 <span class="comment"> * http://www.fifengine.de *</span>
<a name="l00004"></a>00004 <span class="comment"> * This file is part of FIFE. *</span>
<a name="l00005"></a>00005 <span class="comment"> * *</span>
<a name="l00006"></a>00006 <span class="comment"> * FIFE is free software; you can redistribute it and/or *</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the GNU Lesser General Public *</span>
<a name="l00008"></a>00008 <span class="comment"> * License as published by the Free Software Foundation; either *</span>
<a name="l00009"></a>00009 <span class="comment"> * version 2.1 of the License, or (at your option) any later version. *</span>
<a name="l00010"></a>00010 <span class="comment"> * *</span>
<a name="l00011"></a>00011 <span class="comment"> * This library is distributed in the hope that it will be useful, *</span>
<a name="l00012"></a>00012 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of *</span>
<a name="l00013"></a>00013 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span>
<a name="l00014"></a>00014 <span class="comment"> * Lesser General Public License for more details. *</span>
<a name="l00015"></a>00015 <span class="comment"> * *</span>
<a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU Lesser General Public *</span>
<a name="l00017"></a>00017 <span class="comment"> * License along with this library; if not, write to the *</span>
<a name="l00018"></a>00018 <span class="comment"> * Free Software Foundation, Inc., *</span>
<a name="l00019"></a>00019 <span class="comment"> * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *</span>
<a name="l00020"></a>00020 <span class="comment"> ***************************************************************************/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="comment">// Standard C++ library includes</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="comment">// 3rd party library includes</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">// FIFE includes</span>
<a name="l00027"></a>00027 <span class="comment">// These includes are split up in two parts, separated by one empty line</span>
<a name="l00028"></a>00028 <span class="comment">// First block: files included from the FIFE root src directory</span>
<a name="l00029"></a>00029 <span class="comment">// Second block: files included from the same folder</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "video/renderbackend.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "video/image.h"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "video/sdl/sdlimage.h"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "video/imagepool.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "video/animation.h"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "video/animationpool.h"</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "util/math/fife_math.h"</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "util/log/logger.h"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "model/metamodel/grids/cellgrid.h"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "model/metamodel/action.h"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "model/structures/instance.h"</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include "model/structures/layer.h"</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include "model/structures/location.h"</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include "video/opengl/fife_opengl.h"</span>
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="preprocessor">#include "view/camera.h"</span>
<a name="l00046"></a>00046 <span class="preprocessor">#include "view/visual.h"</span>
<a name="l00047"></a>00047 <span class="preprocessor">#include "instancerenderer.h"</span>
<a name="l00048"></a>00048
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keyword">namespace </span>{
<a name="l00051"></a>00051 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> scale(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> val, <span class="keywordtype">double</span> factor) {
<a name="l00052"></a>00052 <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(ceil(static_cast<double>(val) * factor));
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">namespace </span>FIFE {
<a name="l00057"></a>00057 <span class="keyword">static</span> Logger _log(LM_VIEWVIEW);
<a name="l00058"></a>00058
<a name="l00059"></a>00059 InstanceRenderer::OutlineInfo::OutlineInfo():
<a name="l00060"></a>00060 r(0),
<a name="l00061"></a>00061 g(0),
<a name="l00062"></a>00062 b(0),
<a name="l00063"></a>00063 width(1),
<a name="l00064"></a>00064 dirty(false),
<a name="l00065"></a>00065 outline(NULL),
<a name="l00066"></a>00066 curimg(NULL) {
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068 InstanceRenderer::ColoringInfo::ColoringInfo():
<a name="l00069"></a>00069 r(0),
<a name="l00070"></a>00070 g(0),
<a name="l00071"></a>00071 b(0),
<a name="l00072"></a>00072 dirty(false),
<a name="l00073"></a>00073 overlay(NULL),
<a name="l00074"></a>00074 curimg(NULL) {
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077 InstanceRenderer::AreaInfo::AreaInfo():
<a name="l00078"></a>00078 instance(NULL),
<a name="l00079"></a>00079 groups(),
<a name="l00080"></a>00080 w(1),
<a name="l00081"></a>00081 h(1),
<a name="l00082"></a>00082 trans(0),
<a name="l00083"></a>00083 front(true),
<a name="l00084"></a>00084 z(0) {
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a>00087 InstanceRenderer::OutlineInfo::~OutlineInfo() {
<a name="l00088"></a>00088 <span class="keyword">delete</span> outline;
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091 InstanceRenderer::ColoringInfo::~ColoringInfo() {
<a name="l00092"></a>00092 <span class="keyword">delete</span> overlay;
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00095"></a>00095 InstanceRenderer::AreaInfo::~AreaInfo() {
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097
<a name="l00098"></a>00098 InstanceRenderer* InstanceRenderer::getInstance(IRendererContainer* cnt) {
<a name="l00099"></a>00099 <span class="keywordflow">return</span> <span class="keyword">dynamic_cast<</span>InstanceRenderer*<span class="keyword">></span>(cnt->getRenderer(<span class="stringliteral">"InstanceRenderer"</span>));
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 InstanceRenderer::InstanceRenderer(RenderBackend* renderbackend, <span class="keywordtype">int</span> position, ImagePool* imagepool, AnimationPool* animpool):
<a name="l00103"></a>00103 RendererBase(renderbackend, position),
<a name="l00104"></a>00104 m_imagepool(imagepool),
<a name="l00105"></a>00105 m_animationpool(animpool),
<a name="l00106"></a>00106 m_area_layer(false) {
<a name="l00107"></a>00107 <a class="code" href="class_f_i_f_e_1_1_renderer_base.html#abb84ffbfa8e001146059a9c21664b2b8">setEnabled</a>(<span class="keyword">true</span>);
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 InstanceRenderer::InstanceRenderer(<span class="keyword">const</span> InstanceRenderer& old):
<a name="l00111"></a>00111 RendererBase(old),
<a name="l00112"></a>00112 m_imagepool(old.m_imagepool),
<a name="l00113"></a>00113 m_animationpool(old.m_animationpool),
<a name="l00114"></a>00114 m_area_layer(old.m_area_layer) {
<a name="l00115"></a>00115 <a class="code" href="class_f_i_f_e_1_1_renderer_base.html#abb84ffbfa8e001146059a9c21664b2b8">setEnabled</a>(<span class="keyword">true</span>);
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118 RendererBase* InstanceRenderer::clone() {
<a name="l00119"></a>00119 <span class="keywordflow">return</span> <span class="keyword">new</span> InstanceRenderer(*<span class="keyword">this</span>);
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121
<a name="l00122"></a>00122 InstanceRenderer::~InstanceRenderer() {
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="keywordtype">void</span> InstanceRenderer::render(Camera* cam, Layer* layer, RenderList& instances) {
<a name="l00126"></a>00126 FL_DBG(_log, <span class="stringliteral">"Iterating layer..."</span>);
<a name="l00127"></a>00127 CellGrid* cg = layer->getCellGrid();
<a name="l00128"></a>00128 <span class="keywordflow">if</span> (!cg) {
<a name="l00129"></a>00129 FL_WARN(_log, <span class="stringliteral">"No cellgrid assigned to layer, cannot draw instances"</span>);
<a name="l00130"></a>00130 <span class="keywordflow">return</span>;
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keyword">const</span> <span class="keywordtype">bool</span> any_effects = !(m_instance_outlines.empty() && m_instance_colorings.empty());
<a name="l00134"></a>00134 <span class="keyword">const</span> <span class="keywordtype">bool</span> unlit = !m_unlit_groups.empty();
<a name="l00135"></a>00135 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> lm = m_renderbackend->getLightingModel();
<a name="l00136"></a>00136
<a name="l00137"></a>00137 m_area_layer = <span class="keyword">false</span>;
<a name="l00138"></a>00138 <span class="keywordflow">if</span>(!m_instance_areas.empty()) {
<a name="l00139"></a>00139 InstanceToAreas_t::iterator area_it = m_instance_areas.begin();
<a name="l00140"></a>00140 <span class="keywordflow">for</span>(;area_it != m_instance_areas.end(); area_it++) {
<a name="l00141"></a>00141 AreaInfo& info = area_it->second;
<a name="l00142"></a>00142 <span class="keywordflow">if</span>(info.instance->getLocation().getLayer() == layer) {
<a name="l00143"></a>00143 <span class="keywordflow">if</span>(info.front) {
<a name="l00144"></a>00144 DoublePoint3D instance_posv = cam->toVirtualScreenCoordinates(info.instance->getLocation().getMapCoordinates());
<a name="l00145"></a>00145 info.z = instance_posv.z;
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147 m_area_layer = <span class="keyword">true</span>;
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151
<a name="l00152"></a>00152 RenderList::iterator instance_it = instances.begin();
<a name="l00153"></a>00153 <span class="keywordflow">for</span> (;instance_it != instances.end(); ++instance_it) {
<a name="l00154"></a>00154 FL_DBG(_log, <span class="stringliteral">"Iterating instances..."</span>);
<a name="l00155"></a>00155 Instance* instance = (*instance_it)->instance;
<a name="l00156"></a>00156 RenderItem& vc = **instance_it;
<a name="l00157"></a>00157
<a name="l00158"></a>00158 <span class="keywordflow">if</span>(m_area_layer) {
<a name="l00159"></a>00159 InstanceToAreas_t::iterator areas_it = m_instance_areas.begin();
<a name="l00160"></a>00160 <span class="keywordflow">for</span>(;areas_it != m_instance_areas.end(); areas_it++) {
<a name="l00161"></a>00161 AreaInfo& infoa = areas_it->second;
<a name="l00162"></a>00162 <span class="keywordflow">if</span>(infoa.front) {
<a name="l00163"></a>00163 <span class="keywordflow">if</span>(infoa.z >= vc.screenpoint.z) {
<a name="l00164"></a>00164 <span class="keywordflow">continue</span>;
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 std::string str_name = instance->getObject()->getNamespace();
<a name="l00169"></a>00169 std::list<std::string>::iterator group_it = infoa.groups.begin();
<a name="l00170"></a>00170 <span class="keywordflow">for</span>(;group_it != infoa.groups.end(); ++group_it) {
<a name="l00171"></a>00171 <span class="keywordflow">if</span>(str_name.find((*group_it)) != std::string::npos) {
<a name="l00172"></a>00172 ScreenPoint p;
<a name="l00173"></a>00173 Rect rec;
<a name="l00174"></a>00174 p = cam->toScreenCoordinates(infoa.instance->getLocation().getMapCoordinates());
<a name="l00175"></a>00175 rec.<a class="code" href="class_f_i_f_e_1_1_rect_type.html#a1462240577c7175bef3c488844530556">x</a> = p.x - infoa.w / 2;
<a name="l00176"></a>00176 rec.y = p.y - infoa.h / 2;
<a name="l00177"></a>00177 rec.w = infoa.w;
<a name="l00178"></a>00178 rec.h = infoa.h;
<a name="l00179"></a>00179 <span class="keywordflow">if</span>(infoa.instance != instance && vc.dimensions.intersects(rec)) {
<a name="l00180"></a>00180 vc.transparency = 255 - infoa.trans;
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186
<a name="l00187"></a>00187 FL_DBG(_log, LMsg(<span class="stringliteral">"Instance layer coordinates = "</span>) << instance->getLocationRef().getLayerCoordinates());
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="keywordflow">if</span> (any_effects) {
<a name="l00190"></a>00190 InstanceToOutlines_t::iterator outline_it = m_instance_outlines.find(instance);
<a name="l00191"></a>00191 <span class="keywordflow">if</span> (outline_it != m_instance_outlines.end()) {
<a name="l00192"></a>00192 <span class="keywordflow">if</span> (lm != 0) {
<a name="l00193"></a>00193 m_renderbackend->disableLighting();
<a name="l00194"></a>00194 m_renderbackend->setStencilTest(255, 2, 7);
<a name="l00195"></a>00195 m_renderbackend->setAlphaTest(0.0);
<a name="l00196"></a>00196 bindOutline(outline_it->second, vc, cam)->render(vc.dimensions, vc.transparency);
<a name="l00197"></a>00197 m_renderbackend->enableLighting();
<a name="l00198"></a>00198 m_renderbackend->setStencilTest(0, 2, 7);
<a name="l00199"></a>00199 vc.image->render(vc.dimensions, vc.transparency);
<a name="l00200"></a>00200 m_renderbackend->disableAlphaTest();
<a name="l00201"></a>00201 m_renderbackend->disableStencilTest();
<a name="l00202"></a>00202 <span class="keywordflow">continue</span>;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204 bindOutline(outline_it->second, vc, cam)->render(vc.dimensions, vc.transparency);
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206
<a name="l00207"></a>00207 InstanceToColoring_t::iterator coloring_it = m_instance_colorings.find(instance);
<a name="l00208"></a>00208 <span class="keywordflow">if</span> (coloring_it != m_instance_colorings.end()) {
<a name="l00209"></a>00209 m_renderbackend->disableLighting();
<a name="l00210"></a>00210 bindColoring(coloring_it->second, vc, cam)->render(vc.dimensions, vc.transparency);
<a name="l00211"></a>00211 m_renderbackend->enableLighting();
<a name="l00212"></a>00212 <span class="keywordflow">continue</span>; <span class="comment">// Skip normal rendering after drawing overlay</span>
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215 <span class="keywordflow">if</span>(lm != 0) {
<a name="l00216"></a>00216 <span class="keywordflow">if</span>(unlit) {
<a name="l00217"></a>00217 <span class="keywordtype">bool</span> found = <span class="keyword">false</span>;
<a name="l00218"></a>00218 std::string lit_name = instance->getObject()->getNamespace();
<a name="l00219"></a>00219 std::list<std::string>::iterator unlit_it = m_unlit_groups.begin();
<a name="l00220"></a>00220 <span class="keywordflow">for</span>(;unlit_it != m_unlit_groups.end(); ++unlit_it) {
<a name="l00221"></a>00221 <span class="keywordflow">if</span>(lit_name.find(*unlit_it) != std::string::npos) {
<a name="l00222"></a>00222 m_renderbackend->setStencilTest(255, 2, 7);
<a name="l00223"></a>00223 found = <span class="keyword">true</span>;
<a name="l00224"></a>00224 <span class="keywordflow">break</span>;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227 <span class="comment">// This is very expensiv, we have to change it</span>
<a name="l00228"></a>00228 <span class="keywordflow">if</span>(!found)
<a name="l00229"></a>00229 m_renderbackend->setStencilTest(0, 1, 7);
<a name="l00230"></a>00230
<a name="l00231"></a>00231 m_renderbackend->setAlphaTest(0.0);
<a name="l00232"></a>00232 vc.image->render(vc.dimensions, vc.transparency);
<a name="l00233"></a>00233 <span class="keywordflow">continue</span>;
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236 vc.image->render(vc.dimensions, vc.transparency);
<a name="l00237"></a>00237
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239 <span class="keywordflow">if</span>(lm != 0) {
<a name="l00240"></a>00240 m_renderbackend->disableAlphaTest();
<a name="l00241"></a>00241 m_renderbackend->disableStencilTest();
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244
<a name="l00245"></a>00245 Image* InstanceRenderer::bindOutline(OutlineInfo& info, RenderItem& vc, Camera* cam) {
<a name="l00246"></a>00246 <span class="keywordflow">if</span> (!info.dirty && info.curimg == vc.image) {
<a name="l00247"></a>00247 <span class="comment">// optimization for outline that has not changed</span>
<a name="l00248"></a>00248 <span class="keywordflow">return</span> info.outline;
<a name="l00249"></a>00249 } <span class="keywordflow">else</span> {
<a name="l00250"></a>00250 info.curimg = vc.image;
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <span class="keywordflow">if</span> (info.outline) {
<a name="l00254"></a>00254 <span class="keyword">delete</span> info.outline; <span class="comment">// delete old mask</span>
<a name="l00255"></a>00255 info.outline = NULL;
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257 SDL_Surface* surface = vc.image->getSurface();
<a name="l00258"></a>00258 SDL_Surface* outline_surface = SDL_ConvertSurface(surface, surface->format, surface->flags);
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="comment">// needs to use SDLImage here, since GlImage does not support drawing primitives atm</span>
<a name="l00261"></a>00261 SDLImage* img = <span class="keyword">new</span> SDLImage(outline_surface);
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="comment">// TODO: optimize...</span>
<a name="l00264"></a>00264 uint8_t r, g, b, a = 0;
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="comment">// vertical sweep</span>
<a name="l00267"></a>00267 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x = 0; x < img->getWidth(); x ++) {
<a name="l00268"></a>00268 uint8_t prev_a = 0;
<a name="l00269"></a>00269 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> y = 0; y < img->getHeight(); y ++) {
<a name="l00270"></a>00270 vc.image->getPixelRGBA(x, y, &r, &g, &b, &a);
<a name="l00271"></a>00271 <span class="keywordflow">if</span> ((a == 0 || prev_a == 0) && (a != prev_a)) {
<a name="l00272"></a>00272 <span class="keywordflow">if</span> (a < prev_a) {
<a name="l00273"></a>00273 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> yy = y; yy < y + info.width; yy++) {
<a name="l00274"></a>00274 img->putPixel(x, yy, info.r, info.g, info.b);
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276 } <span class="keywordflow">else</span> {
<a name="l00277"></a>00277 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> yy = y - info.width; yy < y; yy++) {
<a name="l00278"></a>00278 img->putPixel(x, yy, info.r, info.g, info.b);
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282 prev_a = a;
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285 <span class="comment">// horizontal sweep</span>
<a name="l00286"></a>00286 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> y = 0; y < img->getHeight(); y ++) {
<a name="l00287"></a>00287 uint8_t prev_a = 0;
<a name="l00288"></a>00288 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x = 0; x < img->getWidth(); x ++) {
<a name="l00289"></a>00289 vc.image->getPixelRGBA(x, y, &r, &g, &b, &a);
<a name="l00290"></a>00290 <span class="keywordflow">if</span> ((a == 0 || prev_a == 0) && (a != prev_a)) {
<a name="l00291"></a>00291 <span class="keywordflow">if</span> (a < prev_a) {
<a name="l00292"></a>00292 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> xx = x; xx < x + info.width; xx++) {
<a name="l00293"></a>00293 img->putPixel(xx, y, info.r, info.g, info.b);
<a name="l00294"></a>00294 }
<a name="l00295"></a>00295 } <span class="keywordflow">else</span> {
<a name="l00296"></a>00296 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> xx = x - info.width; xx < x; xx++) {
<a name="l00297"></a>00297 img->putPixel(xx, y, info.r, info.g, info.b);
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299 }
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301 prev_a = a;
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="comment">// In case of OpenGL backend, SDLImage needs to be converted</span>
<a name="l00306"></a>00306 info.outline = m_renderbackend->createImage(img->detachSurface());
<a name="l00307"></a>00307 <span class="keyword">delete</span> img;
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <span class="keywordflow">if</span> (info.outline) {
<a name="l00310"></a>00310 <span class="comment">// mark outline as not dirty since we created it here</span>
<a name="l00311"></a>00311 info.dirty = <span class="keyword">false</span>;
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313
<a name="l00314"></a>00314 <span class="keywordflow">return</span> info.outline;
<a name="l00315"></a>00315 }
<a name="l00316"></a>00316
<a name="l00317"></a>00317 Image* InstanceRenderer::bindColoring(ColoringInfo& info, RenderItem& vc, Camera* cam) {
<a name="l00318"></a>00318 <span class="keywordflow">if</span> (!info.dirty && info.curimg == vc.image) {
<a name="l00319"></a>00319 <span class="comment">// optimization for coloring overlay that has not changed</span>
<a name="l00320"></a>00320 <span class="keywordflow">return</span> info.overlay;
<a name="l00321"></a>00321 }
<a name="l00322"></a>00322 <span class="keywordflow">else</span> {
<a name="l00323"></a>00323 info.curimg = vc.image;
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325
<a name="l00326"></a>00326 <span class="keywordflow">if</span> (info.overlay) {
<a name="l00327"></a>00327 <span class="keyword">delete</span> info.overlay; <span class="comment">// delete old mask</span>
<a name="l00328"></a>00328 info.overlay = NULL;
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330
<a name="l00331"></a>00331 SDL_Surface* surface = vc.image->getSurface();
<a name="l00332"></a>00332 SDL_Surface* overlay_surface = SDL_ConvertSurface(surface, surface->format, surface->flags);
<a name="l00333"></a>00333
<a name="l00334"></a>00334 <span class="comment">// needs to use SDLImage here, since GlImage does not support drawing primitives atm</span>
<a name="l00335"></a>00335 SDLImage* img = <span class="keyword">new</span> SDLImage(overlay_surface);
<a name="l00336"></a>00336
<a name="l00337"></a>00337 uint8_t r, g, b, a = 0;
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x = 0; x < img->getWidth(); x ++) {
<a name="l00340"></a>00340 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> y = 0; y < img->getHeight(); y ++) {
<a name="l00341"></a>00341 vc.image->getPixelRGBA(x, y, &r, &g, &b, &a);
<a name="l00342"></a>00342 <span class="keywordflow">if</span> (a > 0) {
<a name="l00343"></a>00343 img->putPixel(x, y, (r + info.r) >> 1, (g + info.g) >> 1, (b + info.b) >> 1);
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347
<a name="l00348"></a>00348 <span class="comment">// In case of OpenGL backend, SDLImage needs to be converted</span>
<a name="l00349"></a>00349 info.overlay = m_renderbackend->createImage(img->detachSurface());
<a name="l00350"></a>00350 <span class="keyword">delete</span> img;
<a name="l00351"></a>00351
<a name="l00352"></a>00352 <span class="keywordflow">if</span> (info.overlay) {
<a name="l00353"></a>00353 <span class="comment">// mark overlay coloring as not dirty since we created it here</span>
<a name="l00354"></a>00354 info.dirty = <span class="keyword">false</span>;
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356
<a name="l00357"></a>00357 <span class="keywordflow">return</span> info.overlay;
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="keywordtype">void</span> InstanceRenderer::addOutlined(Instance* instance, <span class="keywordtype">int</span> r, <span class="keywordtype">int</span> g, <span class="keywordtype">int</span> b, <span class="keywordtype">int</span> width) {
<a name="l00361"></a>00361 OutlineInfo newinfo;
<a name="l00362"></a>00362 newinfo.r = r;
<a name="l00363"></a>00363 newinfo.g = g;
<a name="l00364"></a>00364 newinfo.b = b;
<a name="l00365"></a>00365 newinfo.width = width;
<a name="l00366"></a>00366 newinfo.dirty = <span class="keyword">true</span>;
<a name="l00367"></a>00367
<a name="l00368"></a>00368 <span class="comment">// attempts to insert the element into the outline map</span>
<a name="l00369"></a>00369 <span class="comment">// will return false in the second value of the pair if the instance already exists </span>
<a name="l00370"></a>00370 <span class="comment">// in the map and the first value of the pair will then be an iterator to the </span>
<a name="l00371"></a>00371 <span class="comment">// existing data for the instance</span>
<a name="l00372"></a>00372 std::pair<InstanceToOutlines_t::iterator, bool> insertiter = m_instance_outlines.insert(std::make_pair(instance, newinfo));
<a name="l00373"></a>00373
<a name="l00374"></a>00374 <span class="keywordflow">if</span> (insertiter.second == <span class="keyword">false</span>) {
<a name="l00375"></a>00375 <span class="comment">// the insertion did not happen because the instance </span>
<a name="l00376"></a>00376 <span class="comment">// already exists in the map so lets just update its outline info</span>
<a name="l00377"></a>00377 OutlineInfo& info = insertiter.first->second;
<a name="l00378"></a>00378
<a name="l00379"></a>00379 <span class="keywordflow">if</span> (info.r != r || info.g != g || info.b != b || info.width != width) {
<a name="l00380"></a>00380 <span class="comment">// only update the outline info if its changed since the last call</span>
<a name="l00381"></a>00381 <span class="comment">// flag the outline info as dirty so it will get processed during rendering</span>
<a name="l00382"></a>00382 info.r = r;
<a name="l00383"></a>00383 info.b = b;
<a name="l00384"></a>00384 info.g = g;
<a name="l00385"></a>00385 info.width = width;
<a name="l00386"></a>00386 info.dirty = <span class="keyword">true</span>;
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388 }
<a name="l00389"></a>00389 }
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="keywordtype">void</span> InstanceRenderer::addColored(Instance* instance, <span class="keywordtype">int</span> r, <span class="keywordtype">int</span> g, <span class="keywordtype">int</span> b) {
<a name="l00392"></a>00392 ColoringInfo newinfo;
<a name="l00393"></a>00393 newinfo.r = r;
<a name="l00394"></a>00394 newinfo.g = g;
<a name="l00395"></a>00395 newinfo.b = b;
<a name="l00396"></a>00396 newinfo.dirty = <span class="keyword">true</span>;
<a name="l00397"></a>00397
<a name="l00398"></a>00398 <span class="comment">// attempts to insert the element into the coloring map</span>
<a name="l00399"></a>00399 <span class="comment">// will return false in the second value of the pair if the instance already exists </span>
<a name="l00400"></a>00400 <span class="comment">// in the map and the first value of the pair will then be an iterator to the </span>
<a name="l00401"></a>00401 <span class="comment">// existing data for the instance</span>
<a name="l00402"></a>00402 std::pair<InstanceToColoring_t::iterator, bool> insertiter = m_instance_colorings.insert(std::make_pair(instance, newinfo));
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="keywordflow">if</span> (insertiter.second == <span class="keyword">false</span>) {
<a name="l00405"></a>00405 <span class="comment">// the insertion did not happen because the instance </span>
<a name="l00406"></a>00406 <span class="comment">// already exists in the map so lets just update its coloring info</span>
<a name="l00407"></a>00407 ColoringInfo& info = insertiter.first->second;
<a name="l00408"></a>00408
<a name="l00409"></a>00409 <span class="keywordflow">if</span> (info.r != r || info.g != g || info.b != b) {
<a name="l00410"></a>00410 <span class="comment">// only update the coloring info if its changed since the last call</span>
<a name="l00411"></a>00411 <span class="comment">// flag the coloring info as dirty so it will get processed during rendering</span>
<a name="l00412"></a>00412 info.r = r;
<a name="l00413"></a>00413 info.b = b;
<a name="l00414"></a>00414 info.g = g;
<a name="l00415"></a>00415 info.dirty = <span class="keyword">true</span>;
<a name="l00416"></a>00416 }
<a name="l00417"></a>00417 }
<a name="l00418"></a>00418 }
<a name="l00419"></a>00419
<a name="l00420"></a>00420 <span class="keywordtype">void</span> InstanceRenderer::addTransparentArea(Instance* instance, <span class="keyword">const</span> std::list<std::string> &groups, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> w, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> h, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> trans, <span class="keywordtype">bool</span> front) {
<a name="l00421"></a>00421 AreaInfo newinfo;
<a name="l00422"></a>00422 newinfo.instance = instance;
<a name="l00423"></a>00423 newinfo.groups = groups;
<a name="l00424"></a>00424
<a name="l00425"></a>00425 newinfo.w = w;
<a name="l00426"></a>00426 newinfo.h = h;
<a name="l00427"></a>00427 newinfo.trans = trans;
<a name="l00428"></a>00428 newinfo.front = front;
<a name="l00429"></a>00429
<a name="l00430"></a>00430
<a name="l00431"></a>00431 <span class="comment">// attempts to insert the element into the area map</span>
<a name="l00432"></a>00432 <span class="comment">// will return false in the second value of the pair if the instance already exists </span>
<a name="l00433"></a>00433 <span class="comment">// in the map and the first value of the pair will then be an iterator to the </span>
<a name="l00434"></a>00434 <span class="comment">// existing data for the instance</span>
<a name="l00435"></a>00435 std::pair<InstanceToAreas_t::iterator, bool> insertiter = m_instance_areas.insert(std::make_pair(instance, newinfo));
<a name="l00436"></a>00436
<a name="l00437"></a>00437 <span class="keywordflow">if</span> (insertiter.second == <span class="keyword">false</span>) {
<a name="l00438"></a>00438 <span class="comment">// the insertion did not happen because the instance </span>
<a name="l00439"></a>00439 <span class="comment">// already exists in the map so lets just update its area info</span>
<a name="l00440"></a>00440 AreaInfo& info = insertiter.first->second;
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443
<a name="l00444"></a>00444 <span class="keywordtype">void</span> InstanceRenderer::removeOutlined(Instance* instance) {
<a name="l00445"></a>00445 m_instance_outlines.erase(instance);
<a name="l00446"></a>00446 }
<a name="l00447"></a>00447
<a name="l00448"></a>00448 <span class="keywordtype">void</span> InstanceRenderer::removeColored(Instance* instance) {
<a name="l00449"></a>00449 m_instance_colorings.erase(instance);
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451
<a name="l00452"></a>00452 <span class="keywordtype">void</span> InstanceRenderer::removeTransparentArea(Instance* instance) {
<a name="l00453"></a>00453 m_instance_areas.erase(instance);
<a name="l00454"></a>00454 }
<a name="l00455"></a>00455
<a name="l00456"></a>00456 <span class="keywordtype">void</span> InstanceRenderer::removeAllOutlines() {
<a name="l00457"></a>00457 m_instance_outlines.clear();
<a name="l00458"></a>00458 }
<a name="l00459"></a>00459
<a name="l00460"></a>00460 <span class="keywordtype">void</span> InstanceRenderer::removeAllColored() {
<a name="l00461"></a>00461 m_instance_colorings.clear();
<a name="l00462"></a>00462 }
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <span class="keywordtype">void</span> InstanceRenderer::removeAllTransparentAreas() {
<a name="l00465"></a>00465 m_instance_areas.clear();
<a name="l00466"></a>00466 }
<a name="l00467"></a>00467
<a name="l00468"></a>00468 <span class="keywordtype">void</span> InstanceRenderer::addIgnoreLight(<span class="keyword">const</span> std::list<std::string> &groups) {
<a name="l00469"></a>00469 std::list<std::string>::const_iterator group_it = groups.begin();
<a name="l00470"></a>00470 <span class="keywordflow">for</span>(;group_it != groups.end(); ++group_it) {
<a name="l00471"></a>00471 m_unlit_groups.push_back(*group_it);
<a name="l00472"></a>00472 }
<a name="l00473"></a>00473 m_unlit_groups.sort();
<a name="l00474"></a>00474 m_unlit_groups.unique();
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476
<a name="l00477"></a>00477 <span class="keywordtype">void</span> InstanceRenderer::removeIgnoreLight(<span class="keyword">const</span> std::list<std::string> &groups) {
<a name="l00478"></a>00478 std::list<std::string>::const_iterator group_it = groups.begin();
<a name="l00479"></a>00479 <span class="keywordflow">for</span>(;group_it != groups.end(); ++group_it) {
<a name="l00480"></a>00480 std::list<std::string>::iterator unlit_it = m_unlit_groups.begin();
<a name="l00481"></a>00481 <span class="keywordflow">for</span>(;unlit_it != m_unlit_groups.end(); ++unlit_it) {
<a name="l00482"></a>00482 <span class="keywordflow">if</span>((*group_it).find(*unlit_it) != std::string::npos) {
<a name="l00483"></a>00483 m_unlit_groups.remove(*unlit_it);
<a name="l00484"></a>00484 <span class="keywordflow">break</span>;
<a name="l00485"></a>00485 }
<a name="l00486"></a>00486 }
<a name="l00487"></a>00487 }
<a name="l00488"></a>00488 }
<a name="l00489"></a>00489
<a name="l00490"></a>00490 <span class="keywordtype">void</span> InstanceRenderer::removeAllIgnoreLight() {
<a name="l00491"></a>00491 m_unlit_groups.clear();
<a name="l00492"></a>00492 }
<a name="l00493"></a>00493
<a name="l00494"></a>00494 <span class="keywordtype">void</span> InstanceRenderer::reset() {
<a name="l00495"></a>00495 removeAllOutlines();
<a name="l00496"></a>00496 removeAllColored();
<a name="l00497"></a>00497 removeAllTransparentAreas();
<a name="l00498"></a>00498 removeAllIgnoreLight();
<a name="l00499"></a>00499 }
<a name="l00500"></a>00500
<a name="l00501"></a>00501 }
</pre></div></div>
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