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313 lines
9.5 KiB
C++
313 lines
9.5 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdpch.h"
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//
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#include "sky.h"
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#include "client_sheets/sky_sheet.h"
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using namespace NL3D;
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using namespace NLMISC;
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/////////////
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// GLOBALS //
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/////////////
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// Hierarchical timer
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H_AUTO_DECL ( RZ_Client_Render_Sky )
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// *************************************************************************************************
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CSky::CSky()
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{
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_Scene = NULL;
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_Driver = NULL;
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_IG = NULL;
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_AnimationSet = NULL;
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_NumHourInDay = 24;
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_PlayListManager = NULL;
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_PlayList = NULL;
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_AnimationSet = NULL;
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_AnimLengthInSeconds = 3.f;
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_AmbientSunLight = NULL;
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_DiffuseSunLight = NULL;
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_FogColor = NULL;
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_WaterEnvMapCameraHeight = 0.f;
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_WaterEnvMapAlpha = 255;
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}
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// *************************************************************************************************
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CSky::~CSky()
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{
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release();
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}
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// *************************************************************************************************
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void CSky::release()
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{
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if (_PlayListManager)
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{
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if (_PlayList)
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{
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_PlayListManager->deletePlayList(_PlayList);
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_PlayList = NULL;
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}
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if (_AnimationSet && _Driver)
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{
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_Driver->deleteAnimationSet(_AnimationSet);
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_AnimationSet = NULL;
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}
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if (_Scene)
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{
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_Scene->deletePlayListManager(_PlayListManager);
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}
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_PlayListManager = NULL;
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}
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for(uint k = 0; k < _Bitmaps.size(); ++k)
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{
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delete _Bitmaps[k];
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}
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_Bitmaps.clear();
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if (_Scene)
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{
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if (_IG) _IG->removeFromScene(*_Scene);
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_Objects.clear();
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_Driver->deleteScene(_Scene);
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_Scene = NULL;
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_Driver = NULL;
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}
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}
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// *************************************************************************************************
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void CSky::init(UDriver *drv, const CSkySheet &sheet, bool forceFallbackVersion /*= false*/, float numHourInDay /*= 24.f*/, std::vector<std::string> *unsupportedObjects /*= NULL*/)
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{
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release();
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if(!drv) return;
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_Driver = drv;
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// create a new scene for the sky
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_Scene = _Driver->createScene(true);
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_Scene->setupTransparencySorting(99, 1); // only sort by priority (99 of them)
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_AnimLengthInSeconds = sheet.AnimLengthInSeconds;
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// create animation set
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if (!sheet.AnimationName.empty())
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{
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_PlayListManager = _Scene->createPlayListManager();
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if (_PlayListManager)
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{
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_AnimationSet = _Driver->createAnimationSet();
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_PlayList = _PlayListManager->createPlayList(_AnimationSet);
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if (_AnimationSet && _PlayList)
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{
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uint animationID = _AnimationSet->addAnimation(sheet.AnimationName.c_str(), sheet.AnimationName.c_str());
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if (animationID != UAnimationSet::NotFound)
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{
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_AnimationSet->build();
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_PlayList->setAnimation(0, animationID);
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_PlayList->setTimeOrigin(0, 0);
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_PlayList->setWrapMode(0, UPlayList::Repeat);
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}
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else
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{
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// no animation loaded
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_PlayListManager->deletePlayList(_PlayList);
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_Scene->deletePlayListManager(_PlayListManager);
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_Driver->deleteAnimationSet(_AnimationSet);
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_PlayListManager = NULL;
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_PlayList = NULL;
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_AnimationSet = NULL;
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}
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}
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}
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}
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// load instance group of sky
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_IG = UInstanceGroup::createInstanceGroup(sheet.InstanceGroupName);
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if (!_IG)
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{
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nlwarning("Couldn't load sky ig : %s", sheet.InstanceGroupName.c_str());
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release();
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return;
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}
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_IG->addToScene(*_Scene, drv);
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_Objects.reserve(sheet.Objects.size());
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// dump name of objects in the scene
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//nlinfo("Sky scene objects : ");
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for(uint k = 0; k < _IG->getNumInstance(); ++k)
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{
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//nlinfo(_IG->getInstanceName(k).c_str());
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UInstance i = _IG->getInstance(k); // hide all instances by default
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if (!i.empty()) i.hide();
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}
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if (unsupportedObjects) unsupportedObjects->clear();
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// map name of a bitmap to the actual bitmap (for reuse of bitmaps)
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std::map<std::string, CBitmap *> buildShareBitmapByName;
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//
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for(uint k = 0; k < sheet.Objects.size(); ++k)
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{
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UInstance instance;
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instance = _IG->getByName(sheet.Objects[k].Std.ShapeName);
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// should main instance if driver supports its rendering
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// hide all the instance at start
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if (!instance.empty() && !instance.supportMaterialRendering(*drv, forceFallbackVersion))
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{
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if (unsupportedObjects)
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{
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unsupportedObjects->push_back(sheet.Objects[k].Std.ShapeName);
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}
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instance.hide();
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// build fallbacks
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for(uint l = 0; l < 2; ++l)
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{
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UInstance fallbackInstance = _IG->getByName(sheet.Objects[k].FallbackPass[l].ShapeName);
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if (!fallbackInstance.empty())
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{
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fallbackInstance.hide();
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CSkyObject so;
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so.init(sheet.Objects[k].FallbackPass[l], fallbackInstance, buildShareBitmapByName, _Bitmaps, sheet.Objects[k].VisibleInMainScene, sheet.Objects[k].VisibleInEnvMap);
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_Objects.push_back(so);
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if (_PlayList)
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{
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_PlayList->registerTransform(fallbackInstance, (sheet.Objects[k].FallbackPass[l].ShapeName + ".").c_str());
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}
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}
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}
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}
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else if (!instance.empty())
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{
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instance.hide();
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// uses main instance and hides fallback instances
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CSkyObject so;
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so.init(sheet.Objects[k].Std, instance, buildShareBitmapByName, _Bitmaps, sheet.Objects[k].VisibleInMainScene, sheet.Objects[k].VisibleInEnvMap);
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_Objects.push_back(so);
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for(uint l = 0; l < 2; ++l)
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{
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UInstance fallbackInstance = _IG->getByName(sheet.Objects[k].FallbackPass[l].ShapeName);
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if (!fallbackInstance.empty()) fallbackInstance.hide();
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}
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if (_PlayList)
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{
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_PlayList->registerTransform(instance, (sheet.Objects[k].Std.ShapeName + ".").c_str());
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}
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}
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else
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{
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nlwarning("Object not found in scene : %s", sheet.Objects[k].Std.ShapeName.c_str());
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}
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}
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// get gradient that gives sun light color
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bool alreadyBuilt;
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_AmbientSunLight = buildSharedBitmap(sheet.AmbientSunLightBitmap, buildShareBitmapByName, _Bitmaps, alreadyBuilt);
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_DiffuseSunLight = buildSharedBitmap(sheet.DiffuseSunLightBitmap, buildShareBitmapByName, _Bitmaps, alreadyBuilt);
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//
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_FogColor = buildSharedBitmap(sheet.FogColorBitmap, buildShareBitmapByName, _Bitmaps, alreadyBuilt);
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//
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_NumHourInDay = numHourInDay;
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_WaterEnvMapCameraHeight = sheet.WaterEnvMapCameraHeight;
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_WaterEnvMapAlpha= sheet.WaterEnvMapAlpha;
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}
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// *************************************************************************************************
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uint CSky::setup(const CClientDate &date, const CClientDate &animationDate, float weatherLevel, CRGBA fogColor, const NLMISC::CVector &sunLightDir, bool envMapScene)
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{
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if (!_Scene) return 0;
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uint numVisibleObjects = 0;
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uint numObjects = (uint)_Objects.size();
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float dayPart = date.Hour / _NumHourInDay;
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clamp(dayPart, 0.f, 1.f);
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clamp(weatherLevel, 0.f, 1.f);
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for(uint k = 0; k < numObjects; ++k)
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{
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if (_Objects[k].setup(date, animationDate, _NumHourInDay, weatherLevel, fogColor, envMapScene)) ++ numVisibleObjects;
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}
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// animate objects
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if (_PlayListManager)
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{
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double globalDate = ((double) _NumHourInDay * date.Day + (double) date.Hour) / _NumHourInDay;
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//nlinfo("global date = %f", (float) globalDate);
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_PlayListManager->animate(_AnimLengthInSeconds * globalDate);
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}
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// compute sunlight for the scene
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if (_AmbientSunLight)
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{
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_Scene->setSunAmbient(_AmbientSunLight->getColor(dayPart, weatherLevel, true, false));
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}
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else
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{
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_Scene->setSunAmbient(CRGBA::White);
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}
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if (_DiffuseSunLight)
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{
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_Scene->setSunDiffuse(_DiffuseSunLight->getColor(dayPart, weatherLevel, true, false));
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}
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else
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{
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_Scene->setSunDiffuse(CRGBA::White);
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}
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_Scene->setSunSpecular(CRGBA::Black); // specular not useful for sky
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_Scene->setSunDirection(sunLightDir);
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return numVisibleObjects;
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}
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// *************************************************************************************************
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NLMISC::CRGBA CSky::computeFogColor(const CClientDate &date, float weatherLevel) const
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{
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if (!_FogColor) return CRGBA::White;
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float dayPart = date.Hour / _NumHourInDay;
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clamp(dayPart, 0.f, 1.f);
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clamp(weatherLevel, 0.f, 1.f);
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return _FogColor->getColor(dayPart, weatherLevel, true, false);
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}
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// *************************************************************************************************
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CBitmap *buildSharedBitmap(const std::string &filename,
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std::map<std::string, CBitmap *> &bitmapByName,
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std::vector<CBitmap *> &builtBitmaps,
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bool &alreadyBuilt
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)
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{
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alreadyBuilt = false;
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if (filename.empty()) return NULL;
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std::string lcBMFilename = strlwr(CFile::getFilenameWithoutExtension(filename));
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std::map<std::string, CBitmap *>::iterator it = bitmapByName.find(lcBMFilename);
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if (it != bitmapByName.end())
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{
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alreadyBuilt = true;
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// bitmap already loaded so reuse it
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return it->second;
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}
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else
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{
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// load the bitmap
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std::string path = CPath::lookup(filename, false);
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if (path.empty()) return NULL;
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std::auto_ptr<CBitmap> bm(new CBitmap);
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try
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{
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CIFile f;
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f.open(path);
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if (bm->load(f, 0) == 0) return NULL;
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builtBitmaps.push_back(bm.release());
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bitmapByName[lcBMFilename] = builtBitmaps.back();
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// dump bitmap fisrt line
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return builtBitmaps.back();
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}
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catch(const EStream &)
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{
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return NULL;
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}
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}
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}
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