[2106] | 1 | #include <OgreNoMemoryMacros.h>
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| 2 | #include <CEGUI/CEGUI.h>
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| 3 | #include <../CEGUIRenderer/include/OgreCEGUIRenderer.h>
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| 4 | #include <../CEGUIRenderer/include/OgreCEGUIResourceProvider.h>
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| 5 | #include <../CEGUIRenderer/include/OgreCEGUITexture.h>
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| 6 | #include <OgreMemoryMacros.h>
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| 7 | #include <OgreIteratorWrappers.h>
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| 8 | #include <Ogre.h>
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| 9 | #include "TestCullingTerrainApplication.h"
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| 10 | #include "TerrainFrameListener.h"
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| 11 |
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| 12 | #if COLLADA
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| 13 | #include "OgreColladaPrerequisites.h"
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| 14 | #include "OgreColladaDocument.h"
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| 15 | #include "OgreColladaScene.h"
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| 16 | #endif
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| 17 |
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| 18 | #include "IVReader.h"
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| 19 |
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| 20 | #define WIN32_LEAN_AND_MEAN
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| 21 | #include <windows.h>
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| 22 |
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| 23 | const static bool USE_STATIC_GEOMETRY = false;
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| 24 | bool TestCullingTerrainApplication::msShowHillyTerrain = false;
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| 25 |
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| 26 |
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| 27 | //using namespace GtpVisibility;
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| 28 |
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| 29 | /*************************************************************/
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| 30 | /* EntityState implementation */
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| 31 | /*************************************************************/
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| 32 |
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| 33 |
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| 34 | Vector3 EntityState::msMinPos = Vector3::ZERO;
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| 35 | Vector3 EntityState::msMaxPos = Vector3::ZERO;
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| 36 |
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| 37 | EntityState::EntityState(Entity *ent, State entityState, Real speed):
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| 38 | mEntity(ent), mState(entityState), mAnimationSpeed(speed)
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| 39 | {
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| 40 | switch(entityState)
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| 41 | {
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| 42 | case MOVING:
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| 43 | mAnimationState = mEntity->getAnimationState("Walk");
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| 44 | break;
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| 45 | case WAITING:
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| 46 | mAnimationState = mEntity->getAnimationState("Idle");
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| 47 | break;
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| 48 | case STOP:
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| 49 | mAnimationState = NULL;
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| 50 | break;
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| 51 | default:
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| 52 | break;
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| 53 | }
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| 54 | // enable animation state
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| 55 | if (mAnimationState)
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| 56 | {
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| 57 | mAnimationState->setLoop(true);
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| 58 | mAnimationState->setEnabled(true);
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| 59 | }
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| 60 |
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| 61 | mTimeElapsed = Math::RangeRandom(1, 5);
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| 62 | }
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| 63 | //-----------------------------------------------------------------------
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| 64 | EntityState::~EntityState()
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| 65 | {
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| 66 | mAnimationState = NULL;
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| 67 | mEntity = NULL;
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| 68 | }
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| 69 | //-----------------------------------------------------------------------
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| 70 | Entity *EntityState::GetEntity()
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| 71 | {
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| 72 | return mEntity;
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| 73 | }
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| 74 | //-----------------------------------------------------------------------
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| 75 | EntityState::State EntityState::GetState()
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| 76 | {
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| 77 | return mState;
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| 78 | }
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| 79 | //-----------------------------------------------------------------------
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| 80 | void EntityState::update(Real timeSinceLastFrame)
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| 81 | {
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| 82 | mTimeElapsed -= timeSinceLastFrame * mAnimationSpeed;
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| 83 |
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| 84 | if (!mEntity || !mAnimationState)
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| 85 | return;
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| 86 |
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| 87 | if (mState == MOVING) // toggle between moving (longer) and waiting (short)
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| 88 | {
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| 89 | SceneNode *parent = mEntity->getParentSceneNode();
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| 90 |
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| 91 | if (!parent)
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| 92 | return;
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| 93 |
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| 94 | if (mTimeElapsed <= 0) // toggle animation state
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| 95 | {
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| 96 | if (mAnimationState->getAnimationName() == "Idle")
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| 97 | {
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| 98 | SetAnimationState("Walk", true);
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| 99 |
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| 100 | mTimeElapsed = walk_duration; // walk for mTimeElapsed units
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| 101 |
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| 102 | // choose random rotation
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| 103 | Radian rnd = Radian(Math::UnitRandom() * Math::PI * rotate_factor);
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| 104 |
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| 105 | //mEntity->getParentSceneNode()->rotate();
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| 106 | parent->yaw(rnd);
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| 107 | }
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| 108 | else
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| 109 | {
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| 110 | SetAnimationState("Idle", true);
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| 111 | mTimeElapsed = wait_duration; // wait for mTimeElapsed seconds
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| 112 | }
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| 113 | }
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| 114 |
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| 115 | if (mAnimationState->getAnimationName() == "Walk") // move forward
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| 116 | {
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| 117 | // store old position, just in case we get out of bounds
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| 118 | Vector3 oldPos = parent->getPosition();
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| 119 | parent->translate(parent->getLocalAxes(), Vector3(move_factor * mAnimationSpeed, 0, 0));
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| 120 |
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| 121 | // HACK: if out of bounds => reset to old position and set animationstate to idle
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| 122 | if (OutOfBounds(parent))
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| 123 | {
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| 124 | parent->setPosition(oldPos);
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| 125 | SetAnimationState("Idle", true);
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| 126 |
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| 127 | mTimeElapsed = wait_duration;
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| 128 | }
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| 129 | }
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| 130 | }
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| 131 |
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| 132 | // add time to drive animation
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| 133 | mAnimationState->addTime(timeSinceLastFrame * mAnimationSpeed);
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| 134 | }
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| 135 | //-----------------------------------------------------------------------
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| 136 | void EntityState::SetAnimationState(String stateStr, bool loop)
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| 137 | {
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| 138 | if (!mEntity)
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| 139 | return;
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| 140 |
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| 141 | mAnimationState = mEntity->getAnimationState(stateStr);
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| 142 | mAnimationState->setLoop(loop);
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| 143 | mAnimationState->setEnabled(true);
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| 144 | }
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| 145 | //-----------------------------------------------------------------------
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| 146 | bool EntityState::OutOfBounds(SceneNode *node)
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| 147 | {
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| 148 | Vector3 pos = node->getPosition();
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| 149 |
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| 150 | if ((pos > msMinPos) && (pos < msMaxPos))
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| 151 | return false;
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| 152 |
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| 153 | return true;
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| 154 | }
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| 155 |
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| 156 |
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| 157 |
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| 158 | /********************************************************************/
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| 159 | /* TestCullingTerrainApplication implementation */
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| 160 | /********************************************************************/
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| 161 |
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| 162 |
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| 163 | TestCullingTerrainApplication::TestCullingTerrainApplication():
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| 164 | mTerrainContentGenerator(NULL),
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| 165 | mRayQueryExecutor(NULL),
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| 166 | mIVReader(NULL),
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| 167 | mFilename("terrain"),
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| 168 | mViewCellsFilename(""),
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| 169 | mAlgorithm(GtpVisibility::VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING)
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| 170 | {
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| 171 | }
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| 172 | //-------------------------------------------------------------------------
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| 173 | void TestCullingTerrainApplication::loadConfig(const String& filename)
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| 174 | {
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| 175 | // Set up the options
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| 176 | ConfigFile config;
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| 177 | String val;
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| 178 |
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| 179 | config.load(filename);
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| 180 |
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| 181 | std::stringstream d; d << "reading the config file from: " << filename;
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| 182 | LogManager::getSingleton().logMessage(d.str());
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| 183 |
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| 184 | val = config.getSetting("Scene");
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| 185 |
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| 186 | if (!val.empty())
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| 187 | {
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| 188 | mFilename = val.c_str();
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| 189 | d << "\nloading scene from file: " << mFilename;
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| 190 | LogManager::getSingleton().logMessage(d.str());
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| 191 | }
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| 192 | }
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| 193 | //-----------------------------------------------------------------------
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| 194 | TestCullingTerrainApplication::~TestCullingTerrainApplication()
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| 195 | {
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| 196 | OGRE_DELETE(mTerrainContentGenerator);
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| 197 | OGRE_DELETE(mRayQueryExecutor);
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| 198 | OGRE_DELETE(mIVReader);
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| 199 |
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| 200 | deleteEntityStates();
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| 201 | }
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| 202 | //-----------------------------------------------------------------------
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| 203 | void TestCullingTerrainApplication::deleteEntityStates()
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| 204 | {
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| 205 | for (int i = 0; i < (int)mEntityStates.size(); ++i)
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| 206 | {
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| 207 | OGRE_DELETE(mEntityStates[i]);
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| 208 | }
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| 209 |
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| 210 | mEntityStates.clear();
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| 211 | }
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| 212 | //-----------------------------------------------------------------------
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| 213 | void TestCullingTerrainApplication::createCamera()
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| 214 | {
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| 215 | // create the camera
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| 216 | mCamera = mSceneMgr->createCamera("PlayerCam");
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| 217 |
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| 218 | /** set a nice viewpoint
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| 219 | * we use a camera node here and apply all transformations on it instead
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| 220 | * of applying all transformations directly to the camera
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| 221 | * because then the camera is displayed correctly in the visualization
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| 222 | */
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[2123] | 223 | // hack: vienna view point
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[2106] | 224 | Vector3 viewPoint(830, 300, -540);
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[2123] | 225 |
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[2106] | 226 | mCamNode = mSceneMgr->getRootSceneNode()->
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| 227 | createChildSceneNode("CamNode1", viewPoint);
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| 228 |
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| 229 | mCamNode->setOrientation(Quaternion(-0.3486, 0.0122, 0.9365, 0.0329));
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| 230 | mCamNode->attachObject(mCamera);
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| 231 |
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| 232 | ///////////////////
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| 233 | //-- create visualization camera
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| 234 |
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| 235 | mVizCamera = mSceneMgr->createCamera("VizCam");
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| 236 | mVizCamera->setPosition(mCamNode->getPosition());
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| 237 |
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| 238 | mVizCamera->setNearClipDistance(1);
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| 239 | mCamera->setNearClipDistance(1);
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| 240 |
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| 241 | // infinite far plane?
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| 242 | if (mRoot->getRenderSystem()->getCapabilities()->hasCapability(RSC_INFINITE_FAR_PLANE))
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| 243 | {
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| 244 | mVizCamera->setFarClipDistance(0);
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| 245 | mCamera->setFarClipDistance(0);
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| 246 | }
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| 247 | else
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| 248 | {
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| 249 | mVizCamera->setFarClipDistance(20000);
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| 250 | mCamera->setFarClipDistance(20000);
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| 251 | }
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| 252 | }
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| 253 |
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| 254 | //-----------------------------------------------------------------------
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| 255 | bool TestCullingTerrainApplication::setup()
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| 256 | {
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| 257 | bool carryOn = ExampleApplication::setup();
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| 258 |
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| 259 | if (carryOn)
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| 260 | createRenderTargetListener();
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| 261 |
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| 262 | return carryOn;
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| 263 | }
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| 264 | //-----------------------------------------------------------------------
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| 265 | void TestCullingTerrainApplication::createRenderTargetListener()
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| 266 | {
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| 267 | mWindow->addListener(new VisualizationRenderTargetListener(mSceneMgr));
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| 268 | }
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| 269 | //-----------------------------------------------------------------------
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| 270 | bool TestCullingTerrainApplication::LoadSceneCollada(const String &filename,
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| 271 | SceneNode *root,
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| 272 | const int index)
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| 273 | {
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| 274 | #if COLLADA
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| 275 | // Collada
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| 276 | ColladaDocument *daeDoc = new ColladaDocument(mSceneMgr);
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| 277 |
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| 278 | String daeName = filename;
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| 279 | //if (daeName.empty())
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| 280 | // daeName = "City_1500.dae";
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| 281 |
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| 282 | // default directory
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| 283 | //daeName.insert(0, "../../media/models/collada/City");
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| 284 | LogManager::getSingleton().logMessage("ColladaDocument - import started");
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| 285 |
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| 286 | // full import
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| 287 | if (daeDoc->doImport(daeName))
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| 288 | {
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[2305] | 289 | LogManager::getSingleton().logMessage("loading collada");
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[2106] | 290 | /**
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| 291 | * build up scene
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| 292 | * if you only want a specific part of the scene graph, you must fetch a scene node
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| 293 | * by its unique node name and give it as parameter
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| 294 | * e.g.
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| 295 | * ColladaSceneNode *box = mScene->getNode("Box2");
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| 296 | * if (box != NULL) box->createOgreInstance(NULL);
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| 297 | */
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| 298 | daeDoc->getScene()->createOgreInstance(NULL);
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| 299 |
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| 300 | // everything is loaded, we do not need the collada document anymore
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| 301 | delete daeDoc;
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| 302 |
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| 303 | return true;
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| 304 | }
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| 305 | else
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| 306 | {
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| 307 | LogManager::getSingleton().logMessage("ColladaDocument - import failed");
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| 308 | return false;
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| 309 | }
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| 310 | #endif
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| 311 | return true;
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| 312 | }
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| 313 | //-----------------------------------------------------------------------
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| 314 | bool TestCullingTerrainApplication::LoadSceneIV(const String &filename,
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| 315 | SceneNode *root,
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| 316 | const int index)
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| 317 | {
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| 318 | mIVReader = new IVReader();
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| 319 |
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| 320 | Timer *timer = PlatformManager::getSingleton().createTimer();
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| 321 | timer->reset();
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| 322 |
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| 323 | if (1)
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| 324 | {
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| 325 | std::string logFilename = "IVLog" + Ogre::StringConverter().toString(index) + ".log";
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| 326 |
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| 327 | Log *log = LogManager::getSingleton().createLog(logFilename);
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| 328 | mIVReader->setLog(log);
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| 329 | }
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| 330 |
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| 331 | //viennaNode->translate(Vector3(-300, -300, 0));
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| 332 |
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| 333 | if (mIVReader->loadFile(filename.c_str()))
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| 334 | {
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| 335 | SceneNode *node = root->createChildSceneNode("IVSceneNode" + index);
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| 336 |
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| 337 | mIVReader->buildTree(mSceneMgr, node);
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| 338 |
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| 339 | mIVReader->collapse();
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| 340 | OGRE_DELETE(mIVReader);
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| 341 |
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| 342 | std::stringstream d;
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| 343 | d << "loaded " << filename << " in " << timer->getMilliseconds() * 1e-3 << " secs";
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| 344 | LogManager::getSingleton().logMessage(d.str());
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| 345 |
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| 346 | PlatformManager::getSingleton().destroyTimer(timer);
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| 347 |
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| 348 | //-- bake into static geometry
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| 349 | if (USE_STATIC_GEOMETRY)
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| 350 | {
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| 351 | BakeSceneIntoStaticGeometry("staticVienna", "Vienna");
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| 352 | }
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| 353 |
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| 354 | return true;
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| 355 | }
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| 356 |
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| 357 | return false;
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| 358 | }
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| 359 | //--------------------------------------------------------
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| 360 | void TestCullingTerrainApplication::BakeSceneIntoStaticGeometry(const String &staticGeomName,
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| 361 | const String &nodeName)
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| 362 | {
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| 363 | #if OGRE_103
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| 364 | // note: different static geom for roofs, roads, ..., becazse they have same material
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| 365 | StaticGeometry *staticGeom = mSceneMgr->createStaticGeometry(staticGeomName);
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| 366 |
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| 367 | // note: looping over entities here. why does scene node not work?
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| 368 | SceneManager::EntityIterator it = mSceneMgr->getEntityIterator();
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| 369 | while (it.hasMoreElements())
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| 370 | {
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| 371 | Entity *ent = it.getNext();
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| 372 | ent->setVisible(false);
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| 373 | staticGeom->addEntity(ent, ent->getParentSceneNode()->getPosition());
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| 374 | }
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| 375 |
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| 376 | staticGeom->setRegionDimensions(Vector3(100,100,100));
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| 377 | staticGeom->build();
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| 378 |
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| 379 | // cleanup node
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| 380 | //wallsNode->detachAllObjects();
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| 381 |
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| 382 | //roofsNode->detachAllObjects();
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| 383 | //roadsNode->detachAllObjects();
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| 384 | //planeNode->detachAllObjects();
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| 385 |
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| 386 | //viennaNode->removeChild("Walls");
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| 387 | mSceneMgr->destroySceneNode(nodeName);
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| 388 | #endif
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| 389 | }
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| 390 | //--------------------------------------------------------
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| 391 | void TestCullingTerrainApplication::createScene()
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| 392 | {
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| 393 | /////////
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[2123] | 394 | //-- load parameters & scene
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[2183] | 395 | //loadConfig("terrainCulling.cfg");
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[2106] | 396 |
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| 397 | /////////////////////////////////////
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| 398 |
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| 399 | // Set ambient light
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| 400 | mAmbientLight = ColourValue(0.5, 0.5, 0.5);
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| 401 | mSceneMgr->setAmbientLight(mAmbientLight);
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| 402 |
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| 403 | //-- create light
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| 404 | mSunLight = mSceneMgr->createLight("SunLight");
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| 405 | mSunLight->setType(Light::LT_DIRECTIONAL);
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| 406 | //mSunLight->setType(Light::LT_SPOTLIGHT);
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| 407 | //mSunLight->setSpotlightRange(Degree(30), Degree(50));
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| 408 |
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| 409 | mSunLight->setPosition(707, 2000, 500);
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| 410 | mSunLight->setCastShadows(true);
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| 411 |
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| 412 | // set light angle not too small over the surface,
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| 413 | // otherwise shadows textures will be broken
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| 414 | Vector3 dir(0.5, 1, 0.5);
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| 415 | dir.normalise();
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| 416 | mSunLight->setDirection(dir);
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| 417 | //mSunLight->setDirection(Vector3::NEGATIVE_UNIT_Y);
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| 418 | mSunLight->setDiffuseColour(1, 1, 1);
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| 419 | mSunLight->setSpecularColour(1, 1, 1);
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| 420 |
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| 421 | //-- Fog
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| 422 |
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| 423 | // NB it's VERY important to set this before calling setWorldGeometry
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| 424 | // because the vertex program picked will be different
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| 425 | ColourValue fadeColour(0.93, 0.86, 0.76);
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| 426 | mWindow->getViewport(0)->setBackgroundColour(fadeColour);
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| 427 | //mSceneMgr->setFog(FOG_LINEAR, fadeColour, .001, 500, 1000);
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| 428 |
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| 429 | // Create a skybox
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[2121] | 430 | mSceneMgr->setSkyBox(true, "Examples/CloudyNoonSkyBox", 50000, true);
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[2106] | 431 |
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| 432 | // terrain creation
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[2290] | 433 | std::string terrain_cfg("terrainCulling.cfg");
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[2352] | 434 |
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[2290] | 435 | mSceneMgr->setWorldGeometry(terrain_cfg);
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[2106] | 436 |
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[2290] | 437 | // was terrain loaded?
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| 438 | mSceneMgr->getOption("ShowTerrain", &msShowHillyTerrain);
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[2352] | 439 | msShowHillyTerrain=true;
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| 440 |
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[2290] | 441 |
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[2123] | 442 | // hack view point for terrain
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| 443 | if (msShowHillyTerrain)
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| 444 | {
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| 445 | Vector3 viewPoint(707, 5000, 528);
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| 446 | mCamNode->setPosition(viewPoint);
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| 447 | }
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| 448 |
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[2290] | 449 |
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[2106] | 450 | //-- CEGUI setup
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| 451 | setupGui();
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| 452 |
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| 453 | // Warning: In GL since we can't go higher than the window res
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| 454 | mSceneMgr->setShadowTextureSettings(1024, 2);
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| 455 | mSceneMgr->setShadowColour(ColourValue(0.5, 0.5, 0.5));
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| 456 |
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[2290] | 457 |
|
---|
[2106] | 458 | //////////////
|
---|
| 459 | //-- terrain content setup
|
---|
| 460 |
|
---|
| 461 | // HACK: necessary to call once here for terrain initialisation
|
---|
| 462 | mSceneMgr->_renderScene(mCamera, mWindow->getViewport(0), true);
|
---|
| 463 |
|
---|
| 464 | // ray query executor: needed to clamp to terrain
|
---|
| 465 | mRayQueryExecutor = new RayQueryExecutor(mSceneMgr);
|
---|
| 466 |
|
---|
| 467 | mTerrainMinPos = EntityState::msMinPos = Vector3(0, 0, 0);
|
---|
| 468 | mTerrainMaxPos = EntityState::msMaxPos = Vector3(5000, 5000, 5000);
|
---|
| 469 |
|
---|
| 470 | mTerrainContentGenerator = new TerrainContentGenerator(mSceneMgr);
|
---|
| 471 |
|
---|
| 472 | // if no objects in file, we generate new objects
|
---|
[2168] | 473 | if (msShowHillyTerrain && !mTerrainContentGenerator->LoadObjects("objects.out"))
|
---|
[2106] | 474 | {
|
---|
| 475 | // the objects are generated randomly distributed over the terrain
|
---|
[2352] | 476 | if (1) generateScene(500, 0); // create robots
|
---|
| 477 | if (0) generateScene(300, 1); // create ninjas
|
---|
[2290] | 478 | if (0) generateScene(1000, 2); // create trees
|
---|
[2106] | 479 | }
|
---|
[2352] | 480 | int MaxDepth=30;
|
---|
| 481 | mSceneMgr->setOption("BiHierarchyMaxDepth", &MaxDepth);
|
---|
| 482 | int Mode=1;
|
---|
| 483 | mSceneMgr->setOption("EnhancedVisibility", &Mode);
|
---|
| 484 | mSceneMgr->setOption("RebuildBiHierarchy", NULL);
|
---|
| 485 | mSceneMgr->setOption("RebuildKdTree", NULL);
|
---|
[2106] | 486 | }
|
---|
| 487 | //-----------------------------------------------------------------------
|
---|
| 488 | void TestCullingTerrainApplication::generateScene(int num, int objectType)
|
---|
| 489 | {
|
---|
| 490 | const float val = TerrainFrameListener::msObjectScales[objectType];
|
---|
| 491 | Vector3 scale(val, val, val);
|
---|
| 492 | const float maxHeight = 75;
|
---|
| 493 |
|
---|
| 494 | // In order to provide much occlusion,
|
---|
| 495 | // height is restricted to maxHeight => no objects are created on peaks
|
---|
| 496 | mTerrainContentGenerator->SetMinPos(Vector3(mTerrainMinPos));
|
---|
| 497 | mTerrainContentGenerator->SetMaxPos(Vector3(mTerrainMaxPos.x, maxHeight, mTerrainMaxPos.z));
|
---|
| 498 |
|
---|
| 499 | mTerrainContentGenerator->SetScale(scale);
|
---|
| 500 | mTerrainContentGenerator->SetOffset(TerrainFrameListener::msObjectTerrainOffsets[objectType]);
|
---|
| 501 | mTerrainContentGenerator->GenerateScene(num, TerrainFrameListener::msObjectCaptions[objectType]);
|
---|
| 502 |
|
---|
| 503 | if (objectType != 0) // from our objects, only robot has animation phases
|
---|
| 504 | return;
|
---|
| 505 |
|
---|
| 506 | EntityList *entList = mTerrainContentGenerator->GetGeneratedEntities();
|
---|
| 507 |
|
---|
| 508 | /////////////
|
---|
| 509 | //-- add animation state for new robots (located at the end of the list)
|
---|
| 510 |
|
---|
| 511 | for (int i = (int)entList->size() - num; i < (int)entList->size(); ++i)
|
---|
| 512 | {
|
---|
| 513 | mEntityStates.push_back(new EntityState((*entList)[i],
|
---|
| 514 | EntityState::WAITING, Math::RangeRandom(0.5, 1.5)));
|
---|
| 515 | }
|
---|
| 516 |
|
---|
| 517 | // release limitations on height => it is possible for the user to put single
|
---|
| 518 | // objects on peaks of the terrain (will be only few, not relevant for occlusion)
|
---|
| 519 | mTerrainContentGenerator->SetMaxPos(mTerrainMaxPos);
|
---|
| 520 | }
|
---|
| 521 | //-----------------------------------------------------------------------
|
---|
| 522 | void TestCullingTerrainApplication::updateAnimations(Real timeSinceLastFrame)
|
---|
| 523 | {
|
---|
| 524 | for (int i = 0; i < (int)mEntityStates.size(); ++i)
|
---|
| 525 | {
|
---|
| 526 | SceneNode *sn = mEntityStates[i]->GetEntity()->getParentSceneNode();
|
---|
| 527 |
|
---|
| 528 | mEntityStates[i]->update(timeSinceLastFrame);
|
---|
| 529 |
|
---|
| 530 | if (mEntityStates[i]->GetState() == EntityState::MOVING)
|
---|
| 531 | {
|
---|
| 532 | Clamp2Terrain(sn, 0); //sn->setNodeVisible(false);
|
---|
| 533 | }
|
---|
| 534 | }
|
---|
| 535 | }
|
---|
| 536 | //-----------------------------------------------------------------------
|
---|
| 537 | EntityStates &TestCullingTerrainApplication::getEntityStates()
|
---|
| 538 | {
|
---|
| 539 | return mEntityStates;
|
---|
| 540 | }
|
---|
| 541 | //-----------------------------------------------------------------------
|
---|
| 542 | void TestCullingTerrainApplication::setupGui()
|
---|
| 543 | {
|
---|
| 544 | #if OGRE103
|
---|
| 545 | mGUIRenderer = new CEGUI::OgreCEGUIRenderer(mWindow, Ogre::RENDER_QUEUE_OVERLAY,
|
---|
| 546 | false, 3000, ST_EXTERIOR_CLOSE);
|
---|
| 547 | #else
|
---|
| 548 | mGUIRenderer = new CEGUI::OgreCEGUIRenderer(mWindow, Ogre::RENDER_QUEUE_OVERLAY,
|
---|
| 549 | false, 3000, mSceneMgr);
|
---|
| 550 | #endif
|
---|
| 551 | mGUISystem = new CEGUI::System(mGUIRenderer);
|
---|
| 552 |
|
---|
| 553 | // Mouse
|
---|
| 554 | CEGUI::SchemeManager::getSingleton().loadScheme((CEGUI::utf8*)"TaharezLook.scheme");
|
---|
| 555 | CEGUI::MouseCursor::getSingleton().setImage("TaharezLook", "MouseArrow");
|
---|
| 556 | mGUISystem->setDefaultMouseCursor((CEGUI::utf8*)"TaharezLook",
|
---|
| 557 | (CEGUI::utf8*)"MouseArrow");
|
---|
| 558 |
|
---|
| 559 | CEGUI::MouseCursor::getSingleton().hide();
|
---|
| 560 | }
|
---|
| 561 | //-----------------------------------------------------------------------
|
---|
| 562 | void TestCullingTerrainApplication::createFrameListener()
|
---|
| 563 | {
|
---|
| 564 | mTerrainFrameListener =
|
---|
| 565 | new TerrainFrameListener(mWindow,
|
---|
| 566 | mCamera,
|
---|
| 567 | mSceneMgr,
|
---|
| 568 | mGUIRenderer,
|
---|
| 569 | mTerrainContentGenerator,
|
---|
| 570 | mVizCamera,
|
---|
| 571 | mCamNode,
|
---|
| 572 | mSunLight,
|
---|
| 573 | this);
|
---|
[2279] | 574 |
|
---|
[2353] | 575 | mTerrainFrameListener->setPriority(10);
|
---|
| 576 |
|
---|
[2352] | 577 | mRoot->addFrameListener(mTerrainFrameListener);
|
---|
[2106] | 578 | }
|
---|
| 579 | //-----------------------------------------------------------------------
|
---|
| 580 | void TestCullingTerrainApplication::chooseSceneManager()
|
---|
| 581 | {
|
---|
| 582 | #ifdef OGRE_103
|
---|
| 583 | if (msShowHillyTerrain)
|
---|
| 584 | {
|
---|
| 585 | // Terrain scene manager
|
---|
| 586 | mSceneMgr = mRoot->getSceneManager(ST_EXTERIOR_CLOSE);
|
---|
| 587 | }
|
---|
| 588 | else
|
---|
| 589 | { // octree scene manager
|
---|
| 590 | mSceneMgr = mRoot->getSceneManager(ST_GENERIC);
|
---|
| 591 | }
|
---|
| 592 | #else
|
---|
[2130] | 593 |
|
---|
[2352] | 594 | //mSceneMgr = mRoot->createSceneManager("OcclusionCullingSceneManager");
|
---|
[2353] | 595 | mSceneMgr = mRoot->createSceneManager("BiHierarchySceneManager");
|
---|
| 596 | //mSceneMgr = mRoot->createSceneManager("BiTreeTerrainSceneManager");
|
---|
[2108] | 597 |
|
---|
[2106] | 598 | #endif
|
---|
| 599 | }
|
---|
| 600 | //-----------------------------------------------------------------------
|
---|
| 601 | bool TestCullingTerrainApplication::Clamp2Terrain(SceneNode *node, int terrainOffs)
|
---|
| 602 | {
|
---|
| 603 | // clamp scene node to terrain
|
---|
| 604 | Vector3 pos = node->getPosition();
|
---|
| 605 | Vector3 queryResult;
|
---|
| 606 |
|
---|
| 607 | if (mRayQueryExecutor->executeRayQuery(&queryResult,
|
---|
| 608 | Vector3(pos.x, MAX_HEIGHT, pos.z), Vector3::NEGATIVE_UNIT_Y))
|
---|
| 609 | {
|
---|
| 610 | node->setPosition(pos.x, queryResult.y + terrainOffs, pos.z);
|
---|
| 611 | return true;
|
---|
| 612 | }
|
---|
| 613 |
|
---|
| 614 | return false;
|
---|
| 615 | }
|
---|
| 616 |
|
---|
| 617 | //-----------------------------------------------------------------------
|
---|
| 618 | bool TestCullingTerrainApplication::Clamp2FloorPlane(const float dist)
|
---|
| 619 | {
|
---|
| 620 | // clamp to floor plane
|
---|
| 621 | RaySceneQuery *raySceneQuery = mSceneMgr->createRayQuery(
|
---|
| 622 | Ray(mCamNode->getPosition(), Vector3::NEGATIVE_UNIT_Y));
|
---|
| 623 |
|
---|
| 624 | RaySceneQueryResult& qryResult = raySceneQuery->execute();
|
---|
| 625 |
|
---|
| 626 | RaySceneQueryResult::iterator rit = qryResult.begin();
|
---|
| 627 | bool success = false;
|
---|
[2108] | 628 |
|
---|
| 629 | float yVal = 0;
|
---|
| 630 | float minVal = 999999999999;
|
---|
[2106] | 631 |
|
---|
| 632 | while (rit != qryResult.end() && rit->movable)
|
---|
| 633 | {
|
---|
| 634 | if (rit->movable->getName() != "PlayerCam")
|
---|
| 635 | {
|
---|
| 636 | // place on the ground object
|
---|
| 637 | yVal = rit->movable->getWorldBoundingBox().getCenter().y;
|
---|
| 638 | if (yVal < minVal)
|
---|
| 639 | minVal = yVal;
|
---|
| 640 |
|
---|
| 641 | //std::stringstream d; d << "dist: " << dist << endl;
|
---|
| 642 | //Ogre::LogManager()
|
---|
| 643 | success = true;
|
---|
| 644 | }
|
---|
| 645 |
|
---|
| 646 | ++ rit;
|
---|
| 647 | }
|
---|
| 648 |
|
---|
| 649 | // place on the ground object
|
---|
| 650 | if (success)
|
---|
| 651 | mCamNode->setPosition(
|
---|
| 652 | mCamNode->getPosition().x,
|
---|
| 653 | minVal + dist,
|
---|
| 654 | mCamNode->getPosition().z);
|
---|
| 655 |
|
---|
| 656 | OGRE_DELETE(raySceneQuery);
|
---|
| 657 | return success;
|
---|
| 658 | }
|
---|
| 659 |
|
---|
| 660 | //-----------------------------------------------------------------------
|
---|
| 661 | // splits strings containing multiple file names
|
---|
| 662 | static int SplitFilenames(const std::string str, std::vector<std::string> &filenames)
|
---|
| 663 | {
|
---|
| 664 | int pos = 0;
|
---|
| 665 |
|
---|
| 666 | while(1)
|
---|
| 667 | {
|
---|
| 668 | int npos = (int)str.find(';', pos);
|
---|
| 669 |
|
---|
| 670 | if (npos < 0 || npos - pos < 1)
|
---|
| 671 | break;
|
---|
| 672 | filenames.push_back(std::string(str, pos, npos - pos));
|
---|
| 673 | pos = npos + 1;
|
---|
| 674 | }
|
---|
| 675 |
|
---|
| 676 | filenames.push_back(std::string(str, pos, str.size() - pos));
|
---|
| 677 | return (int)filenames.size();
|
---|
| 678 | }
|
---|
| 679 | //-----------------------------------------------------------------------
|
---|
| 680 | bool TestCullingTerrainApplication::LoadScene(const String &filename)
|
---|
| 681 | {
|
---|
| 682 | using namespace std;
|
---|
| 683 | // use leaf nodes of the original spatial hierarchy as occludees
|
---|
| 684 | vector<string> filenames;
|
---|
| 685 | int files = SplitFilenames(filename, filenames);
|
---|
| 686 |
|
---|
| 687 | std::stringstream d;
|
---|
| 688 | d << "number of input files: " << files << "\n";
|
---|
| 689 | LogManager::getSingleton().logMessage(d.str());
|
---|
| 690 |
|
---|
| 691 | bool result = false;
|
---|
| 692 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
| 693 | int i = 0;
|
---|
| 694 |
|
---|
| 695 | for (fit = filenames.begin(); fit != fit_end; ++ fit, ++ i)
|
---|
| 696 | {
|
---|
| 697 | const string fn = *fit;
|
---|
| 698 |
|
---|
| 699 | if (strstr(fn.c_str(), ".iv") || strstr(fn.c_str(), ".wrl"))
|
---|
| 700 | {
|
---|
| 701 | // load iv files
|
---|
| 702 | if (!LoadSceneIV(fn, mSceneMgr->getRootSceneNode(), i))
|
---|
| 703 | {
|
---|
| 704 | // terrain hack
|
---|
[2108] | 705 | //msShowHillyTerrain = true;
|
---|
[2106] | 706 | LogManager::getSingleton().logMessage("error loading scene => load terrain");
|
---|
| 707 | }
|
---|
| 708 | }
|
---|
| 709 | else if (strstr(filename.c_str(), ".dae"))
|
---|
| 710 | {
|
---|
| 711 | // load collada files
|
---|
| 712 | LoadSceneCollada(fn, mSceneMgr->getRootSceneNode(), i);
|
---|
| 713 | }
|
---|
| 714 | else //if (filename == "terrain")
|
---|
| 715 | {
|
---|
| 716 | // terrain hack
|
---|
| 717 | msShowHillyTerrain = true;
|
---|
| 718 | LogManager::getSingleton().logMessage("loading terrain");
|
---|
| 719 | }
|
---|
| 720 |
|
---|
| 721 | result = true;
|
---|
| 722 | }
|
---|
| 723 |
|
---|
| 724 | return result;
|
---|
| 725 | }
|
---|
| 726 | //-----------------------------------------------------------------------
|
---|
| 727 | bool TestCullingTerrainApplication::LoadViewCells(const String &filename)
|
---|
| 728 | {
|
---|
| 729 | // if not already loaded,
|
---|
| 730 | // the scene manager will load the view cells
|
---|
| 731 | return mSceneMgr->setOption("UseViewCells", filename.c_str());
|
---|
| 732 | }
|
---|
| 733 |
|
---|
| 734 |
|
---|
| 735 | /**********************************************************************/
|
---|
| 736 | /* VisualizationRenderTargetListener implementation */
|
---|
| 737 | /**********************************************************************/
|
---|
| 738 |
|
---|
| 739 |
|
---|
| 740 | //-----------------------------------------------------------------------
|
---|
| 741 | VisualizationRenderTargetListener::VisualizationRenderTargetListener(SceneManager *sceneMgr)
|
---|
| 742 | :RenderTargetListener(), mSceneMgr(sceneMgr)
|
---|
| 743 | {
|
---|
| 744 | }
|
---|
| 745 | //-----------------------------------------------------------------------
|
---|
| 746 | void VisualizationRenderTargetListener::preViewportUpdate(const RenderTargetViewportEvent &evt)
|
---|
| 747 | {
|
---|
| 748 | // visualization viewport
|
---|
| 749 | const bool showViz = evt.source->getZOrder() == VIZ_VIEWPORT_Z_ORDER;
|
---|
| 750 | const bool nShowViz = !showViz;
|
---|
| 751 |
|
---|
| 752 | mSavedShadowTechnique = mSceneMgr->getShadowTechnique();
|
---|
| 753 | mSavedAmbientLight = mSceneMgr->getAmbientLight();
|
---|
| 754 |
|
---|
| 755 | // -- ambient light must be full for visualization, shadows disabled
|
---|
| 756 | if (showViz)
|
---|
| 757 | {
|
---|
| 758 | mSceneMgr->setAmbientLight(ColourValue(1, 1, 1));
|
---|
| 759 | mSceneMgr->setShadowTechnique(SHADOWTYPE_NONE);
|
---|
| 760 | }
|
---|
| 761 |
|
---|
| 762 | mSceneMgr->setOption("PrepareVisualization", &showViz);
|
---|
| 763 | mSceneMgr->setOption("SkyBoxEnabled", &nShowViz);
|
---|
| 764 |
|
---|
| 765 | RenderTargetListener::preViewportUpdate(evt);
|
---|
| 766 | }
|
---|
| 767 | //-----------------------------------------------------------------------
|
---|
| 768 | void VisualizationRenderTargetListener::postRenderTargetUpdate(const RenderTargetEvent &evt)
|
---|
| 769 | {
|
---|
| 770 | // reset values
|
---|
| 771 | mSceneMgr->setShadowTechnique(mSavedShadowTechnique);
|
---|
| 772 | mSceneMgr->setAmbientLight(mSavedAmbientLight);
|
---|
| 773 |
|
---|
| 774 | RenderTargetListener::postRenderTargetUpdate(evt);
|
---|
| 775 | }
|
---|
| 776 | //-----------------------------------------------------------------------
|
---|
| 777 | INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
|
---|
| 778 | {
|
---|
| 779 | // Create application object
|
---|
| 780 | TestCullingTerrainApplication app;
|
---|
| 781 |
|
---|
| 782 | try
|
---|
| 783 | {
|
---|
| 784 | app.go();
|
---|
| 785 | }
|
---|
| 786 | catch( Ogre::Exception& e )
|
---|
| 787 | {
|
---|
| 788 | MessageBox( NULL, e.getFullDescription().c_str(),
|
---|
| 789 | "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
|
---|
| 790 | }
|
---|
| 791 |
|
---|
| 792 | return 0;
|
---|
| 793 | }
|
---|