[61] | 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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[901] | 7 | #include <OgreIteratorWrappers.h>
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[100] | 8 | #include <Ogre.h>
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[61] | 9 | #include "TestCullingTerrainApplication.h"
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[173] | 10 | #include "TerrainFrameListener.h"
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[61] | 11 |
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[1158] | 12 | #if COLLADA
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| 13 | #include "OgreColladaPrerequisites.h"
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[999] | 14 | #include "OgreColladaDocument.h"
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| 15 | #include "OgreColladaScene.h"
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[1158] | 16 | #endif
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[999] | 17 |
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[866] | 18 | #include "IVReader.h"
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| 19 |
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[61] | 20 | #define WIN32_LEAN_AND_MEAN
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[94] | 21 | #include <windows.h>
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[61] | 22 |
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[901] | 23 | const static bool USE_STATIC_GEOMETRY = false;
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[866] | 24 | bool TestCullingTerrainApplication::msShowHillyTerrain = false;
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[164] | 25 |
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[924] | 26 |
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[1271] | 27 | //using namespace GtpVisibility;
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[924] | 28 |
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[999] | 29 | /*************************************************************/
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| 30 | /* EntityState implementation */
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| 31 | /*************************************************************/
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[173] | 32 |
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[866] | 33 |
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[164] | 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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[161] | 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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[901] | 60 |
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[161] | 61 | mTimeElapsed = Math::RangeRandom(1, 5);
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| 62 | }
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| 63 | //-----------------------------------------------------------------------
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[164] | 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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[161] | 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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[164] | 83 |
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| 84 | if (!mEntity || !mAnimationState)
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| 85 | return;
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[161] | 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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[164] | 90 |
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| 91 | if (!parent)
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| 92 | return;
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[161] | 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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[164] | 99 |
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| 100 | mTimeElapsed = walk_duration; // walk for mTimeElapsed units
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[161] | 101 |
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[164] | 102 | // choose random rotation
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| 103 | Radian rnd = Radian(Math::UnitRandom() * Math::PI * rotate_factor);
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[161] | 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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[164] | 111 | mTimeElapsed = wait_duration; // wait for mTimeElapsed seconds
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[161] | 112 | }
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| 113 | }
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| 114 |
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[164] | 115 | if (mAnimationState->getAnimationName() == "Walk") // move forward
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[161] | 116 | {
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[164] | 117 | // store old position, just in case we get out of bounds
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[161] | 118 | Vector3 oldPos = parent->getPosition();
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[164] | 119 | parent->translate(parent->getLocalAxes(), Vector3(move_factor * mAnimationSpeed, 0, 0));
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[161] | 120 |
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[164] | 121 | // HACK: if out of bounds => reset to old position and set animationstate to idle
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[161] | 122 | if (OutOfBounds(parent))
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| 123 | {
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| 124 | parent->setPosition(oldPos);
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[164] | 125 | SetAnimationState("Idle", true);
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[161] | 126 |
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[164] | 127 | mTimeElapsed = wait_duration;
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[161] | 128 | }
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| 129 | }
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| 130 | }
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| 131 |
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[164] | 132 | // add time to drive animation
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| 133 | mAnimationState->addTime(timeSinceLastFrame * mAnimationSpeed);
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[161] | 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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[164] | 138 | if (!mEntity)
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| 139 | return;
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| 140 |
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[161] | 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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[164] | 151 | return false;
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[161] | 152 |
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[164] | 153 | return true;
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[161] | 154 | }
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[164] | 155 |
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| 156 |
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| 157 |
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[945] | 158 | /********************************************************************/
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| 159 | /* TestCullingTerrainApplication implementation */
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| 160 | /********************************************************************/
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[160] | 161 |
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| 162 |
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[145] | 163 | TestCullingTerrainApplication::TestCullingTerrainApplication():
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[901] | 164 | mTerrainContentGenerator(NULL),
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| 165 | mRayQueryExecutor(NULL),
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[937] | 166 | mIVReader(NULL),
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| 167 | mFilename("terrain"),
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[1271] | 168 | mViewCellsFilename(""),
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| 169 | mAlgorithm(GtpVisibility::VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING)
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[145] | 170 | {
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| 171 | }
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[924] | 172 | //-------------------------------------------------------------------------
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| 173 | void TestCullingTerrainApplication::loadConfig(const String& filename)
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| 174 | {
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| 175 | // TODO matt
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| 176 | // Set up the options
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| 177 | ConfigFile config;
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| 178 | String val;
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| 179 |
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| 180 | config.load(filename);
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| 181 |
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[937] | 182 | std::stringstream d; d << "reading the config file from: " << filename;
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[924] | 183 | LogManager::getSingleton().logMessage(d.str());
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| 184 |
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| 185 | val = config.getSetting("Scene");
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| 186 |
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| 187 | if (!val.empty())
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| 188 | {
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| 189 | mFilename = val.c_str();
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[937] | 190 | d << "\nloading scene from file: " << mFilename;
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[924] | 191 | LogManager::getSingleton().logMessage(d.str());
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| 192 | }
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| 193 |
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[937] | 194 |
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[1271] | 195 | val = config.getSetting("ViewCells");
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[932] | 196 |
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[937] | 197 | if (!val.empty())
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| 198 | {
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[1271] | 199 | mViewCellsFilename = val.c_str();
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| 200 | std::stringstream d; d << "view cells file name: " << mViewCellsFilename;
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[937] | 201 | LogManager::getSingleton().logMessage(d.str());
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| 202 | }
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| 203 |
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[932] | 204 | Vector3 v = Vector3::UNIT_SCALE;
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| 205 |
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| 206 | val = config.getSetting("ViewX");
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| 207 |
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| 208 | if (!val.empty())
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| 209 | v.x = atof( val.c_str() );
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| 210 |
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| 211 | val = config.getSetting("ViewY");
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| 212 |
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| 213 | if (!val.empty())
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| 214 | v.y = atof(val.c_str());
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| 215 |
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| 216 | val = config.getSetting("ViewZ");
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| 217 |
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| 218 | if (!val.empty())
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| 219 | v.z = atof( val.c_str());
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| 220 |
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[937] | 221 |
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[1271] | 222 | val = config.getSetting("OnlineCullingAlgorithm");
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| 223 |
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| 224 | if (!val.empty())
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| 225 | {
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| 226 | if (val == "CHC")
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| 227 | {
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| 228 | mAlgorithm =
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| 229 | GtpVisibility::VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING;
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| 230 | }
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| 231 | else if (val == "SWC")
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| 232 | {
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| 233 | mAlgorithm =
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| 234 | GtpVisibility::VisibilityEnvironment::STOP_AND_WAIT_CULLING;
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| 235 | }
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| 236 | else if (val == "VFC")
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| 237 | {
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| 238 | mAlgorithm =
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| 239 | GtpVisibility::VisibilityEnvironment::FRUSTUM_CULLING;
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| 240 | }
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| 241 | }
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| 242 |
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[937] | 243 | /////////////////////////
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| 244 | // setup scene
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| 245 |
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| 246 | //-- load the scene from specified file
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| 247 | if (!LoadScene(mFilename))
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| 248 | {
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[1271] | 249 | LogManager::getSingleton().logMessage("error loading scene");
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[937] | 250 | }
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[1271] | 251 |
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[932] | 252 | // set camera position accordingly
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| 253 | mCamNode->setPosition(v);
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[924] | 254 | }
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[100] | 255 | //-----------------------------------------------------------------------
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[61] | 256 | TestCullingTerrainApplication::~TestCullingTerrainApplication()
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| 257 | {
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[161] | 258 | OGRE_DELETE(mTerrainContentGenerator);
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| 259 | OGRE_DELETE(mRayQueryExecutor);
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[866] | 260 | OGRE_DELETE(mIVReader);
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[164] | 261 |
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[657] | 262 | deleteEntityStates();
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[161] | 263 | }
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| 264 | //-----------------------------------------------------------------------
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| 265 | void TestCullingTerrainApplication::deleteEntityStates()
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| 266 | {
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| 267 | for (int i = 0; i < (int)mEntityStates.size(); ++i)
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[122] | 268 | {
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[164] | 269 | OGRE_DELETE(mEntityStates[i]);
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[122] | 270 | }
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[164] | 271 |
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[161] | 272 | mEntityStates.clear();
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[61] | 273 | }
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| 274 | //-----------------------------------------------------------------------
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[93] | 275 | void TestCullingTerrainApplication::createCamera()
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[61] | 276 | {
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[99] | 277 | // create the camera
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[103] | 278 | mCamera = mSceneMgr->createCamera("PlayerCam");
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[93] | 279 |
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[100] | 280 | /** set a nice viewpoint
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| 281 | * we use a camera node here and apply all transformations on it instead
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| 282 | * of applying all transformations directly to the camera
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| 283 | * because then the camera is displayed correctly in the visualization
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| 284 | */
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[901] | 285 | mCamNode = mSceneMgr->getRootSceneNode()->
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[137] | 286 | createChildSceneNode("CamNode1", Vector3(707, 5000, 528));
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[901] | 287 |
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[100] | 288 | mCamNode->setOrientation(Quaternion(-0.3486, 0.0122, 0.9365, 0.0329));
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| 289 | mCamNode->attachObject(mCamera);
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[901] | 290 |
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[100] | 291 | //-- create visualization camera
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| 292 | mVizCamera = mSceneMgr->createCamera("VizCam");
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| 293 | mVizCamera->setPosition(mCamNode->getPosition());
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| 294 |
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| 295 | mVizCamera->setNearClipDistance(1);
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[93] | 296 | mCamera->setNearClipDistance(1);
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[61] | 297 |
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[99] | 298 | // infinite far plane?
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[93] | 299 | if (mRoot->getRenderSystem()->getCapabilities()->hasCapability(RSC_INFINITE_FAR_PLANE))
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| 300 | {
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[100] | 301 | mVizCamera->setFarClipDistance(0);
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[93] | 302 | mCamera->setFarClipDistance(0);
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| 303 | }
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| 304 | else
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| 305 | {
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[104] | 306 | mVizCamera->setFarClipDistance(20000);
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| 307 | mCamera->setFarClipDistance(20000);
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[99] | 308 | }
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[61] | 309 | }
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[99] | 310 |
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[61] | 311 | //-----------------------------------------------------------------------
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[99] | 312 | bool TestCullingTerrainApplication::setup()
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| 313 | {
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[145] | 314 | bool carryOn = ExampleApplication::setup();
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[99] | 315 |
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[145] | 316 | if (carryOn)
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[144] | 317 | createRenderTargetListener();
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[99] | 318 |
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[145] | 319 | return carryOn;
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[99] | 320 | }
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| 321 | //-----------------------------------------------------------------------
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| 322 | void TestCullingTerrainApplication::createRenderTargetListener()
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| 323 | {
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| 324 | mWindow->addListener(new VisualizationRenderTargetListener(mSceneMgr));
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| 325 | }
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| 326 | //-----------------------------------------------------------------------
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[1003] | 327 | bool TestCullingTerrainApplication::LoadSceneCollada(const String &filename,
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| 328 | SceneNode *root,
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| 329 | const int index)
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[866] | 330 | {
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[1158] | 331 | #if COLLADA
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[999] | 332 | // Collada
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| 333 | ColladaDocument *daeDoc = new ColladaDocument(mSceneMgr);
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| 334 |
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[1003] | 335 | String daeName = filename;
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| 336 | //if (daeName.empty())
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| 337 | // daeName = "City_1500.dae";
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[999] | 338 |
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| 339 | // default directory
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[1003] | 340 | //daeName.insert(0, "../../media/models/collada/City");
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[999] | 341 | LogManager::getSingleton().logMessage("ColladaDocument - import started");
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[1003] | 342 |
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[999] | 343 | // full import
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| 344 | if (daeDoc->doImport(daeName))
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| 345 | {
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| 346 | LogManager::getSingleton().logMessage("yuppi");
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| 347 | /**
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| 348 | * build up scene
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| 349 | * if you only want a specific part of the scene graph, you must fetch a scene node
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| 350 | * by its unique node name and give it as parameter
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| 351 | * e.g.
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| 352 | * ColladaSceneNode *box = mScene->getNode("Box2");
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| 353 | * if (box != NULL) box->createOgreInstance(NULL);
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| 354 | */
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| 355 | daeDoc->getScene()->createOgreInstance(NULL);
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[1003] | 356 |
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| 357 | // everything is loaded, we do not need the collada document anymore
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| 358 | delete daeDoc;
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| 359 |
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| 360 | return true;
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[999] | 361 | }
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[1003] | 362 | else
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| 363 | {
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| 364 | LogManager::getSingleton().logMessage("ColladaDocument - import failed");
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| 365 | return false;
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| 366 | }
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[1158] | 367 | #endif
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[1003] | 368 | return true;
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| 369 | }
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| 370 | //-----------------------------------------------------------------------
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| 371 | bool TestCullingTerrainApplication::LoadSceneIV(const String &filename,
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| 372 | SceneNode *root,
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| 373 | const int index)
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| 374 | {
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[999] | 375 |
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| 376 |
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[1003] | 377 |
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[866] | 378 | mIVReader = new IVReader();
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| 379 |
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[945] | 380 | Timer *timer = PlatformManager::getSingleton().createTimer();
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| 381 | timer->reset();
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[924] | 382 | if (1)
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[901] | 383 | {
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[932] | 384 | std::string logFilename = "IVLog" + Ogre::StringConverter().toString(index) + ".log";
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| 385 |
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[924] | 386 | Log *log = LogManager::getSingleton().createLog(logFilename);
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| 387 | mIVReader->setLog(log);
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[866] | 388 | }
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| 389 |
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[901] | 390 | //viennaNode->translate(Vector3(-300, -300, 0));
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| 391 |
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[924] | 392 | if (mIVReader->loadFile(filename.c_str()))
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[866] | 393 | {
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[924] | 394 | SceneNode *node = root->createChildSceneNode("IVSceneNode" + index);
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[866] | 395 |
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[924] | 396 | mIVReader->buildTree(mSceneMgr, node);
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[945] | 397 |
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| 398 | mIVReader->collapse();
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[926] | 399 | OGRE_DELETE(mIVReader);
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[945] | 400 |
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| 401 |
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| 402 | std::stringstream d;
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| 403 | d << "loaded " << filename << " in " << timer->getMilliseconds() * 1e-3 << " secs";
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| 404 | LogManager::getSingleton().logMessage(d.str());
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| 405 |
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| 406 | PlatformManager::getSingleton().destroyTimer(timer);
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| 407 |
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| 408 | //-- bake into static geometry
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| 409 | if (USE_STATIC_GEOMETRY)
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| 410 | {
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| 411 | BakeSceneIntoStaticGeometry("staticVienna", "Vienna");
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| 412 | }
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| 413 |
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[924] | 414 | return true;
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[866] | 415 | }
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| 416 |
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[924] | 417 | return false;
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[901] | 418 | }
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| 419 | //--------------------------------------------------------
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| 420 | void TestCullingTerrainApplication::BakeSceneIntoStaticGeometry(const String &staticGeomName,
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| 421 | const String &nodeName)
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| 422 | {
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| 423 | #if OGRE_103
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| 424 | // note: different static geom for roofs, roads, ..., becazse they have same material
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| 425 | StaticGeometry *staticGeom = mSceneMgr->createStaticGeometry(staticGeomName);
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| 426 |
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| 427 | // note: looping over entities here. why does scene node not work?
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| 428 | SceneManager::EntityIterator it = mSceneMgr->getEntityIterator();
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| 429 | while (it.hasMoreElements())
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| 430 | {
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| 431 | Entity *ent = it.getNext();
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| 432 | ent->setVisible(false);
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| 433 | staticGeom->addEntity(ent, ent->getParentSceneNode()->getPosition());
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| 434 | }
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| 435 |
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| 436 | staticGeom->setRegionDimensions(Vector3(100,100,100));
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| 437 | staticGeom->build();
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| 438 |
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| 439 | // cleanup node
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| 440 | //wallsNode->detachAllObjects();
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| 441 |
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| 442 | //roofsNode->detachAllObjects();
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[924] | 443 | //roadsNode->detachAllObjects();
|
---|
[945] | 444 | //planeNode->detachAllObjects();
|
---|
[901] | 445 |
|
---|
| 446 | //viennaNode->removeChild("Walls");
|
---|
| 447 | mSceneMgr->destroySceneNode(nodeName);
|
---|
[866] | 448 | #endif
|
---|
| 449 | }
|
---|
[901] | 450 | //--------------------------------------------------------
|
---|
[75] | 451 | void TestCullingTerrainApplication::createScene()
|
---|
[61] | 452 | {
|
---|
[924] | 453 | //-- load scene
|
---|
[937] | 454 | loadConfig("terrainCulling.cfg");
|
---|
| 455 |
|
---|
[924] | 456 | /////////////////////////////////////
|
---|
| 457 |
|
---|
[61] | 458 | // Set ambient light
|
---|
[417] | 459 | mAmbientLight = ColourValue(0.5, 0.5, 0.5);
|
---|
[139] | 460 | mSceneMgr->setAmbientLight(mAmbientLight);
|
---|
[113] | 461 |
|
---|
[110] | 462 | //-- create light
|
---|
[111] | 463 | mSunLight = mSceneMgr->createLight("SunLight");
|
---|
| 464 | mSunLight->setType(Light::LT_DIRECTIONAL);
|
---|
| 465 | //mSunLight->setType(Light::LT_SPOTLIGHT);
|
---|
[112] | 466 | //mSunLight->setSpotlightRange(Degree(30), Degree(50));
|
---|
| 467 |
|
---|
[111] | 468 | mSunLight->setPosition(707, 2000, 500);
|
---|
| 469 | mSunLight->setCastShadows(true);
|
---|
| 470 |
|
---|
[1271] | 471 | // set light angle not too small over the surface,
|
---|
| 472 | // otherwise shadows textures will be broken
|
---|
[113] | 473 | Vector3 dir(0.5, 1, 0.5);
|
---|
[110] | 474 | dir.normalise();
|
---|
[112] | 475 | mSunLight->setDirection(dir);
|
---|
| 476 | //mSunLight->setDirection(Vector3::NEGATIVE_UNIT_Y);
|
---|
[111] | 477 | mSunLight->setDiffuseColour(1, 1, 1);
|
---|
| 478 | mSunLight->setSpecularColour(1, 1, 1);
|
---|
[110] | 479 |
|
---|
[137] | 480 | // -- Fog
|
---|
[61] | 481 | // NB it's VERY important to set this before calling setWorldGeometry
|
---|
| 482 | // because the vertex program picked will be different
|
---|
| 483 | ColourValue fadeColour(0.93, 0.86, 0.76);
|
---|
| 484 | mWindow->getViewport(0)->setBackgroundColour(fadeColour);
|
---|
[1271] | 485 | //mSceneMgr->setFog(FOG_LINEAR, fadeColour, .001, 500, 1000);
|
---|
[94] | 486 |
|
---|
[61] | 487 | // Create a skybox
|
---|
[175] | 488 | mSceneMgr->setSkyBox(true, "Examples/CloudyNoonSkyBox", 5000, true);
|
---|
[103] | 489 |
|
---|
[1271] | 490 | // terrain creation
|
---|
[866] | 491 | if (msShowHillyTerrain)
|
---|
| 492 | {
|
---|
| 493 | std::string terrain_cfg("terrain.cfg");
|
---|
[61] | 494 | #if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
|
---|
[866] | 495 | terrain_cfg = mResourcePath + terrain_cfg;
|
---|
[61] | 496 | #endif
|
---|
[866] | 497 | mSceneMgr->setWorldGeometry(terrain_cfg);
|
---|
| 498 | }
|
---|
[75] | 499 |
|
---|
[161] | 500 |
|
---|
[1271] | 501 | setupGui(); //-- CEGUI setup
|
---|
[100] | 502 |
|
---|
[901] | 503 | // occluder plane to test visibility
|
---|
| 504 | if (0)
|
---|
| 505 | {
|
---|
[924] | 506 | Plane plane;
|
---|
| 507 | plane.normal = Vector3::UNIT_Y;
|
---|
| 508 | plane.d = -60;
|
---|
| 509 |
|
---|
[901] | 510 | MeshManager::getSingleton().createPlane("Myplane",
|
---|
| 511 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, plane,
|
---|
| 512 | 5000,5000,100,100,true,1,5,5,Vector3::UNIT_Z);
|
---|
[924] | 513 |
|
---|
[901] | 514 | Entity* pPlaneEnt = mSceneMgr->createEntity( "plane", "Myplane" );
|
---|
| 515 | pPlaneEnt->setMaterialName("Examples/Rockwall");
|
---|
| 516 | pPlaneEnt->setCastShadows(true);
|
---|
| 517 | mSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(pPlaneEnt);
|
---|
| 518 | }
|
---|
[159] | 519 |
|
---|
[866] | 520 | // Warning: In GL since we can't go higher than the window res
|
---|
[648] | 521 | mSceneMgr->setShadowTextureSettings(1024, 2);
|
---|
[173] | 522 |
|
---|
[112] | 523 | mSceneMgr->setShadowColour(ColourValue(0.5, 0.5, 0.5));
|
---|
[111] | 524 |
|
---|
[1271] | 525 |
|
---|
[100] | 526 | //-- terrain content setup
|
---|
| 527 |
|
---|
[1271] | 528 | // HACK: necessary to call once here for terrain initialisation
|
---|
[80] | 529 | mSceneMgr->_renderScene(mCamera, mWindow->getViewport(0), true);
|
---|
[74] | 530 |
|
---|
[164] | 531 | // ray query executor: needed to clamp to terrain
|
---|
| 532 | mRayQueryExecutor = new RayQueryExecutor(mSceneMgr);
|
---|
| 533 |
|
---|
| 534 | mTerrainMinPos = EntityState::msMinPos = Vector3(0, 0, 0);
|
---|
[346] | 535 | mTerrainMaxPos = EntityState::msMaxPos = Vector3(5000, 5000, 5000);
|
---|
[164] | 536 |
|
---|
[82] | 537 | mTerrainContentGenerator = new TerrainContentGenerator(mSceneMgr);
|
---|
[945] | 538 |
|
---|
| 539 | if (!msShowHillyTerrain)
|
---|
| 540 | return;
|
---|
| 541 |
|
---|
[160] | 542 | // if no objects in file, we generate new objects
|
---|
[945] | 543 | if (!mTerrainContentGenerator->LoadObjects("objects.out"))
|
---|
[346] | 544 | {
|
---|
[160] | 545 | // the objects are generated randomly distributed over the terrain
|
---|
[937] | 546 | if (1) generateScene(1500, 0); // create robots
|
---|
[723] | 547 | if (0) generateScene(100, 1); // create trees
|
---|
| 548 | if (0) generateScene(100, 2); // create ninjas
|
---|
[346] | 549 | }
|
---|
[61] | 550 | }
|
---|
| 551 | //-----------------------------------------------------------------------
|
---|
[160] | 552 | void TestCullingTerrainApplication::generateScene(int num, int objectType)
|
---|
| 553 | {
|
---|
[345] | 554 | float val = TerrainFrameListener::msObjectScales[objectType];
|
---|
| 555 | Vector3 scale(val, val, val);
|
---|
[347] | 556 | const float maxHeight = 75;
|
---|
[417] | 557 |
|
---|
| 558 | // In order to provide much occlusion,
|
---|
[347] | 559 | // height is restricted to maxHeight => no objects are created on peaks
|
---|
[175] | 560 | mTerrainContentGenerator->SetMinPos(Vector3(mTerrainMinPos));
|
---|
[346] | 561 | mTerrainContentGenerator->SetMaxPos(Vector3(mTerrainMaxPos.x, maxHeight, mTerrainMaxPos.z));
|
---|
[417] | 562 |
|
---|
| 563 | //std::stringstream d; d << "objscale: " << scale[0];
|
---|
| 564 | //Ogre::LogManager::getSingleton().logMessage(d.str());
|
---|
| 565 |
|
---|
[173] | 566 | mTerrainContentGenerator->SetScale(scale);
|
---|
| 567 | mTerrainContentGenerator->SetOffset(TerrainFrameListener::msObjectTerrainOffsets[objectType]);
|
---|
| 568 | mTerrainContentGenerator->GenerateScene(num, TerrainFrameListener::msObjectCaptions[objectType]);
|
---|
| 569 |
|
---|
[160] | 570 | if (objectType != 0) // from our objects, only robot has animation phases
|
---|
| 571 | return;
|
---|
| 572 |
|
---|
| 573 | EntityList *entList = mTerrainContentGenerator->GetGeneratedEntities();
|
---|
| 574 |
|
---|
| 575 | //-- add animation state for new robots (located at the end of the list)
|
---|
[175] | 576 | for (int i = (int)entList->size() - num; i < (int)entList->size(); ++i)
|
---|
[160] | 577 | {
|
---|
[161] | 578 | mEntityStates.push_back(new EntityState((*entList)[i],
|
---|
| 579 | EntityState::WAITING, Math::RangeRandom(0.5, 1.5)));
|
---|
[160] | 580 | }
|
---|
[175] | 581 |
|
---|
[347] | 582 | // release limitations on height => it is possible for the user to put single
|
---|
| 583 | // objects on peaks of the terrain (will be only few, not relevant for occlusion)
|
---|
[175] | 584 | mTerrainContentGenerator->SetMaxPos(mTerrainMaxPos);
|
---|
[160] | 585 | }
|
---|
| 586 | //-----------------------------------------------------------------------
|
---|
[161] | 587 | void TestCullingTerrainApplication::updateAnimations(Real timeSinceLastFrame)
|
---|
[160] | 588 | {
|
---|
[161] | 589 | for (int i = 0; i < (int)mEntityStates.size(); ++i)
|
---|
| 590 | {
|
---|
[164] | 591 | SceneNode *sn = mEntityStates[i]->GetEntity()->getParentSceneNode();
|
---|
[161] | 592 |
|
---|
| 593 | mEntityStates[i]->update(timeSinceLastFrame);
|
---|
| 594 |
|
---|
| 595 | if (mEntityStates[i]->GetState() == EntityState::MOVING)
|
---|
| 596 | {
|
---|
[164] | 597 | Clamp2Terrain(sn, 0); //sn->setNodeVisible(false);
|
---|
[161] | 598 | }
|
---|
| 599 | }
|
---|
[160] | 600 | }
|
---|
| 601 | //-----------------------------------------------------------------------
|
---|
[161] | 602 | EntityStates &TestCullingTerrainApplication::getEntityStates()
|
---|
[160] | 603 | {
|
---|
[161] | 604 | return mEntityStates;
|
---|
[160] | 605 | }
|
---|
| 606 | //-----------------------------------------------------------------------
|
---|
[80] | 607 | void TestCullingTerrainApplication::setupGui()
|
---|
[61] | 608 | {
|
---|
[901] | 609 | #if OGRE103
|
---|
[75] | 610 | mGUIRenderer = new CEGUI::OgreCEGUIRenderer(mWindow, Ogre::RENDER_QUEUE_OVERLAY,
|
---|
| 611 | false, 3000, ST_EXTERIOR_CLOSE);
|
---|
[901] | 612 | #else
|
---|
| 613 | mGUIRenderer = new CEGUI::OgreCEGUIRenderer(mWindow, Ogre::RENDER_QUEUE_OVERLAY,
|
---|
| 614 | false, 3000, mSceneMgr);
|
---|
| 615 | #endif
|
---|
[61] | 616 | mGUISystem = new CEGUI::System(mGUIRenderer);
|
---|
| 617 |
|
---|
| 618 | // Mouse
|
---|
| 619 | CEGUI::SchemeManager::getSingleton().loadScheme((CEGUI::utf8*)"TaharezLook.scheme");
|
---|
| 620 | CEGUI::MouseCursor::getSingleton().setImage("TaharezLook", "MouseArrow");
|
---|
[133] | 621 | mGUISystem->setDefaultMouseCursor((CEGUI::utf8*)"TaharezLook",
|
---|
| 622 | (CEGUI::utf8*)"MouseArrow");
|
---|
[61] | 623 |
|
---|
[418] | 624 | CEGUI::MouseCursor::getSingleton().hide();
|
---|
[61] | 625 | }
|
---|
| 626 | //-----------------------------------------------------------------------
|
---|
[80] | 627 | void TestCullingTerrainApplication::createFrameListener()
|
---|
[61] | 628 | {
|
---|
[1271] | 629 | mTerrainFrameListener =
|
---|
| 630 | new TerrainFrameListener(mWindow,
|
---|
| 631 | mCamera,
|
---|
| 632 | mSceneMgr,
|
---|
| 633 | mGUIRenderer,
|
---|
| 634 | mTerrainContentGenerator,
|
---|
| 635 | mVizCamera,
|
---|
| 636 | mCamNode,
|
---|
| 637 | mSunLight,
|
---|
| 638 | this);
|
---|
[120] | 639 |
|
---|
[115] | 640 | mRoot->addFrameListener(mTerrainFrameListener);
|
---|
[61] | 641 | }
|
---|
| 642 | //-----------------------------------------------------------------------
|
---|
[80] | 643 | void TestCullingTerrainApplication::chooseSceneManager()
|
---|
[61] | 644 | {
|
---|
[901] | 645 | #ifdef OGRE_103
|
---|
[866] | 646 | if (msShowHillyTerrain)
|
---|
| 647 | {
|
---|
| 648 | // Terrain scene manager
|
---|
| 649 | mSceneMgr = mRoot->getSceneManager(ST_EXTERIOR_CLOSE);
|
---|
| 650 | }
|
---|
| 651 | else
|
---|
| 652 | { // octree scene manager
|
---|
| 653 | mSceneMgr = mRoot->getSceneManager(ST_GENERIC);
|
---|
| 654 | }
|
---|
[901] | 655 | #else
|
---|
| 656 | if (msShowHillyTerrain)
|
---|
| 657 | {
|
---|
[924] | 658 | mSceneMgr = mRoot->createSceneManager("OcclusionCullingSceneManager");
|
---|
[1271] | 659 | //mSceneMgr = mRoot->createSceneManager("TerrainSceneManager");
|
---|
[999] | 660 | //mSceneMgr = mRoot->createSceneManager("KdTreeSceneManager");
|
---|
[901] | 661 | }
|
---|
| 662 | else
|
---|
[973] | 663 | {
|
---|
[924] | 664 | mSceneMgr = mRoot->createSceneManager("OcclusionCullingSceneManager");
|
---|
[1271] | 665 | //mSceneMgr = mRoot->createSceneManager("OctreeSceneManager");
|
---|
[999] | 666 | //mSceneMgr = mRoot->createSceneManager("KdTreeSceneManager");
|
---|
[901] | 667 | }
|
---|
| 668 |
|
---|
| 669 | #endif
|
---|
[61] | 670 | }
|
---|
[161] | 671 | //-----------------------------------------------------------------------
|
---|
| 672 | bool TestCullingTerrainApplication::Clamp2Terrain(SceneNode *node, int terrainOffs)
|
---|
| 673 | {
|
---|
| 674 | // clamp scene node to terrain
|
---|
| 675 | Vector3 pos = node->getPosition();
|
---|
| 676 | Vector3 queryResult;
|
---|
| 677 |
|
---|
| 678 | if (mRayQueryExecutor->executeRayQuery(&queryResult,
|
---|
| 679 | Vector3(pos.x, MAX_HEIGHT, pos.z), Vector3::NEGATIVE_UNIT_Y))
|
---|
| 680 | {
|
---|
| 681 | node->setPosition(pos.x, queryResult.y + terrainOffs, pos.z);
|
---|
| 682 | return true;
|
---|
| 683 | }
|
---|
| 684 |
|
---|
| 685 | return false;
|
---|
| 686 | }
|
---|
| 687 |
|
---|
[866] | 688 | //-----------------------------------------------------------------------
|
---|
| 689 | bool TestCullingTerrainApplication::Clamp2FloorPlane()
|
---|
| 690 | {
|
---|
| 691 | // clamp to floor plane
|
---|
| 692 | RaySceneQuery *raySceneQuery = mSceneMgr->createRayQuery(
|
---|
| 693 | Ray(mCamNode->getPosition(), Vector3::NEGATIVE_UNIT_Y));
|
---|
[161] | 694 |
|
---|
[866] | 695 | RaySceneQueryResult& qryResult = raySceneQuery->execute();
|
---|
| 696 |
|
---|
| 697 | RaySceneQueryResult::iterator rit = qryResult.begin();
|
---|
| 698 |
|
---|
| 699 | while (rit != qryResult.end() && rit->movable)
|
---|
| 700 | {
|
---|
| 701 | if (rit->movable->getName() != "PlayerCam")
|
---|
| 702 | {
|
---|
| 703 | mCamNode->setPosition(mCamNode->getPosition().x,
|
---|
| 704 | rit->movable->getWorldBoundingBox().getCenter().y + 2,
|
---|
| 705 | mCamNode->getPosition().z);
|
---|
| 706 |
|
---|
[924] | 707 | /*
|
---|
| 708 | std::stringstream d;
|
---|
[866] | 709 | d << "World: " << it->movable->getWorldBoundingBox().getCenter().y <<
|
---|
| 710 | ", Object: " << it->movable->getBoundingBox().getCenter().y <<
|
---|
| 711 | ", Camera: " << mCamera->getDerivedPosition();
|
---|
| 712 |
|
---|
| 713 | LogManager::getSingleton().logMessage(d.str());*/
|
---|
| 714 |
|
---|
| 715 | return true;
|
---|
| 716 | }
|
---|
| 717 |
|
---|
| 718 | ++ rit;
|
---|
| 719 | }
|
---|
| 720 |
|
---|
| 721 | OGRE_DELETE(raySceneQuery);
|
---|
| 722 | return false;
|
---|
| 723 | }
|
---|
| 724 |
|
---|
[924] | 725 | //-----------------------------------------------------------------------
|
---|
| 726 | // splits strings containing multiple file names
|
---|
| 727 | static int SplitFilenames(const std::string str, std::vector<std::string> &filenames)
|
---|
| 728 | {
|
---|
| 729 | int pos = 0;
|
---|
[866] | 730 |
|
---|
[924] | 731 | while(1)
|
---|
| 732 | {
|
---|
| 733 | int npos = (int)str.find(';', pos);
|
---|
| 734 |
|
---|
| 735 | if (npos < 0 || npos - pos < 1)
|
---|
| 736 | break;
|
---|
| 737 | filenames.push_back(std::string(str, pos, npos - pos));
|
---|
| 738 | pos = npos + 1;
|
---|
| 739 | }
|
---|
| 740 |
|
---|
| 741 | filenames.push_back(std::string(str, pos, str.size() - pos));
|
---|
| 742 | return (int)filenames.size();
|
---|
| 743 | }
|
---|
| 744 | //-----------------------------------------------------------------------
|
---|
[937] | 745 | bool TestCullingTerrainApplication::LoadScene(const String &filename)
|
---|
[924] | 746 | {
|
---|
| 747 | using namespace std;
|
---|
| 748 | // use leaf nodes of the original spatial hierarchy as occludees
|
---|
| 749 | vector<string> filenames;
|
---|
| 750 | int files = SplitFilenames(filename, filenames);
|
---|
| 751 |
|
---|
| 752 | std::stringstream d;
|
---|
| 753 | d << "number of input files: " << files << "\n";
|
---|
| 754 | LogManager::getSingleton().logMessage(d.str());
|
---|
| 755 |
|
---|
| 756 | bool result = false;
|
---|
| 757 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
| 758 | int i = 0;
|
---|
[1271] | 759 |
|
---|
[924] | 760 | for (fit = filenames.begin(); fit != fit_end; ++ fit, ++ i)
|
---|
| 761 | {
|
---|
| 762 | const string fn = *fit;
|
---|
| 763 |
|
---|
| 764 | if (strstr(fn.c_str(), ".iv") || strstr(fn.c_str(), ".wrl"))
|
---|
| 765 | {
|
---|
| 766 | // load iv files
|
---|
[1247] | 767 | if (!LoadSceneIV(fn, mSceneMgr->getRootSceneNode(), i))
|
---|
| 768 | {
|
---|
| 769 | // terrain hack
|
---|
| 770 | msShowHillyTerrain = true;
|
---|
[1271] | 771 | LogManager::getSingleton().logMessage("error loading scene => load terrain");
|
---|
[1247] | 772 | }
|
---|
[924] | 773 | }
|
---|
[1003] | 774 | else if (strstr(filename.c_str(), ".dae"))
|
---|
[924] | 775 | {
|
---|
| 776 | // load collada files
|
---|
[1003] | 777 | // load iv files
|
---|
| 778 | LoadSceneCollada(fn, mSceneMgr->getRootSceneNode(), i);
|
---|
[924] | 779 | }
|
---|
[1003] | 780 | else //if (filename == "terrain")
|
---|
[924] | 781 | {
|
---|
| 782 | // terrain hack
|
---|
| 783 | msShowHillyTerrain = true;
|
---|
| 784 | LogManager::getSingleton().logMessage("loading terrain");
|
---|
| 785 | }
|
---|
| 786 |
|
---|
| 787 | result = true;
|
---|
| 788 | }
|
---|
| 789 |
|
---|
| 790 | return result;
|
---|
| 791 | }
|
---|
| 792 | //-----------------------------------------------------------------------
|
---|
[937] | 793 | bool TestCullingTerrainApplication::LoadViewCells(const String &filename)
|
---|
[924] | 794 | {
|
---|
[937] | 795 | LogManager::getSingleton().logMessage("loading view cells");
|
---|
[924] | 796 |
|
---|
[937] | 797 | //-- the actual loading happens here
|
---|
[973] | 798 | return mSceneMgr->setOption("LoadViewCells", filename.c_str());
|
---|
[924] | 799 | }
|
---|
| 800 |
|
---|
| 801 |
|
---|
[866] | 802 | /**********************************************************************/
|
---|
[901] | 803 | /* VisualizationRenderTargetListener implementation */
|
---|
[866] | 804 | /**********************************************************************/
|
---|
| 805 |
|
---|
| 806 |
|
---|
[107] | 807 | //-----------------------------------------------------------------------
|
---|
[99] | 808 | VisualizationRenderTargetListener::VisualizationRenderTargetListener(SceneManager *sceneMgr)
|
---|
| 809 | :RenderTargetListener(), mSceneMgr(sceneMgr)
|
---|
| 810 | {
|
---|
| 811 | }
|
---|
[61] | 812 | //-----------------------------------------------------------------------
|
---|
[99] | 813 | void VisualizationRenderTargetListener::preViewportUpdate(const RenderTargetViewportEvent &evt)
|
---|
| 814 | {
|
---|
[133] | 815 | // visualization viewport
|
---|
| 816 | const bool showViz = evt.source->getZOrder() == VIZ_VIEWPORT_Z_ORDER;
|
---|
[100] | 817 | const bool nShowViz = !showViz;
|
---|
| 818 |
|
---|
[139] | 819 | mSavedShadowTechnique = mSceneMgr->getShadowTechnique();
|
---|
| 820 | mSavedAmbientLight = mSceneMgr->getAmbientLight();
|
---|
| 821 |
|
---|
| 822 | // -- ambient light must be full for visualization, shadows disabled
|
---|
[113] | 823 | if (showViz)
|
---|
| 824 | {
|
---|
| 825 | mSceneMgr->setAmbientLight(ColourValue(1, 1, 1));
|
---|
[139] | 826 | mSceneMgr->setShadowTechnique(SHADOWTYPE_NONE);
|
---|
[113] | 827 | }
|
---|
[139] | 828 |
|
---|
| 829 | mSceneMgr->setOption("PrepareVisualization", &showViz);
|
---|
[100] | 830 | mSceneMgr->setOption("SkyBoxEnabled", &nShowViz);
|
---|
[99] | 831 |
|
---|
| 832 | RenderTargetListener::preViewportUpdate(evt);
|
---|
| 833 | }
|
---|
| 834 | //-----------------------------------------------------------------------
|
---|
| 835 | void VisualizationRenderTargetListener::postRenderTargetUpdate(const RenderTargetEvent &evt)
|
---|
| 836 | {
|
---|
[139] | 837 | // reset values
|
---|
| 838 | mSceneMgr->setShadowTechnique(mSavedShadowTechnique);
|
---|
| 839 | mSceneMgr->setAmbientLight(mSavedAmbientLight);
|
---|
| 840 |
|
---|
[99] | 841 | RenderTargetListener::postRenderTargetUpdate(evt);
|
---|
| 842 | }
|
---|
| 843 | //-----------------------------------------------------------------------
|
---|
[61] | 844 | INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
|
---|
| 845 | {
|
---|
| 846 | // Create application object
|
---|
| 847 | TestCullingTerrainApplication app;
|
---|
| 848 |
|
---|
| 849 | try
|
---|
| 850 | {
|
---|
| 851 | app.go();
|
---|
| 852 | }
|
---|
| 853 | catch( Ogre::Exception& e )
|
---|
| 854 | {
|
---|
[75] | 855 | MessageBox( NULL, e.getFullDescription().c_str(),
|
---|
| 856 | "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
|
---|
[61] | 857 | }
|
---|
| 858 |
|
---|
| 859 | return 0;
|
---|
[160] | 860 | }
|
---|