Basic Tutorial 3 は地形、空、霧
まずは地形から
とりあえず最初のビルド出来る状態までやってみる。
/*
-----------------------------------------------------------------------------
Filename: TutorialApplication.h
-----------------------------------------------------------------------------
This source file is part of the
___ __ __ _ _ _
/___\__ _ _ __ ___ / / /\ \ (_) | _(_)
// // _` | '__/ _ \ \ \/ \/ / | |/ / |
/ \_// (_| | | | __/ \ /\ /| | <| |
\___/ \__, |_| \___| \/ \/ |_|_|\_\_|
|___/
Tutorial Framework
http://www.ogre3d.org/tikiwiki/
-----------------------------------------------------------------------------
*/
#ifndef __TutorialApplication_h_
#define __TutorialApplication_h_
#include
#include
#include "BaseApplication.h"
class TutorialApplication : public BaseApplication
{
public:
TutorialApplication(void);
virtual ~TutorialApplication(void);
protected:
virtual void createScene(void);
virtual void createFrameListener(void);
virtual void destroyScene(void);
virtual bool frameRenderingQueued(const Ogre::FrameEvent& evt);
private:
Ogre::TerrainGlobalOptions* mTerrainGlobals;
Ogre::TerrainGroup* mTerrainGroup;
bool mTerrainsImported;
void defineTerrain(long x, long y);
void initBlendMaps(Ogre::Terrain* terrain);
void configureTerrainDefaults(Ogre::Light* light);
};
#endif // #ifndef __TutorialApplication_h_
/*
-----------------------------------------------------------------------------
Filename: TutorialApplication.cpp
-----------------------------------------------------------------------------
This source file is part of the
___ __ __ _ _ _
/___\__ _ _ __ ___ / / /\ \ (_) | _(_)
// // _` | '__/ _ \ \ \/ \/ / | |/ / |
/ \_// (_| | | | __/ \ /\ /| | <| |
\___/ \__, |_| \___| \/ \/ |_|_|\_\_|
|___/
Tutorial Framework
http://www.ogre3d.org/tikiwiki/
-----------------------------------------------------------------------------
*/
#include "TutorialApplication.h"
//-------------------------------------------------------------------------------------
TutorialApplication::TutorialApplication(void)
{
}
//-------------------------------------------------------------------------------------
TutorialApplication::~TutorialApplication(void)
{
}
//-------------------------------------------------------------------------------------
void TutorialApplication::destroyScene(void)
{
}
//-------------------------------------------------------------------------------------
void getTerrainImage(bool flipX, bool flipY, Ogre::Image& img)
{
img.load("terrain.png", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
if (flipX)
img.flipAroundY();
if (flipY)
img.flipAroundX();
}
//-------------------------------------------------------------------------------------
void TutorialApplication::defineTerrain(long x, long y)
{
Ogre::String filename = mTerrainGroup->generateFilename(x, y);
if (Ogre::ResourceGroupManager::getSingleton().resourceExists(mTerrainGroup->getResourceGroup(), filename))
{
mTerrainGroup->defineTerrain(x, y);
}
else
{
Ogre::Image img;
getTerrainImage(x % 2 != 0, y % 2 != 0, img);
mTerrainGroup->defineTerrain(x, y, &img);
mTerrainsImported = true;
}
}
//-------------------------------------------------------------------------------------
void TutorialApplication::initBlendMaps(Ogre::Terrain* terrain)
{
Ogre::TerrainLayerBlendMap* blendMap0 = terrain->getLayerBlendMap(1);
Ogre::TerrainLayerBlendMap* blendMap1 = terrain->getLayerBlendMap(2);
Ogre::Real minHeight0 = 70;
Ogre::Real fadeDist0 = 40;
Ogre::Real minHeight1 = 70;
Ogre::Real fadeDist1 = 15;
float* pBlend0 = blendMap0->getBlendPointer();
float* pBlend1 = blendMap1->getBlendPointer();
for (Ogre::uint16 y = 0; y < terrain->getLayerBlendMapSize(); ++y)
{
for (Ogre::uint16 x = 0; x < terrain->getLayerBlendMapSize(); ++x)
{
Ogre::Real tx, ty;
blendMap0->convertImageToTerrainSpace(x, y, &tx, &ty);
Ogre::Real height = terrain->getHeightAtTerrainPosition(tx, ty);
Ogre::Real val = (height - minHeight0) / fadeDist0;
val = Ogre::Math::Clamp(val, (Ogre::Real)0, (Ogre::Real)1);
*pBlend0++ = val;
val = (height - minHeight1) / fadeDist1;
val = Ogre::Math::Clamp(val, (Ogre::Real)0, (Ogre::Real)1);
*pBlend1++ = val;
}
}
blendMap0->dirty();
blendMap1->dirty();
blendMap0->update();
blendMap1->update();
}
//-------------------------------------------------------------------------------------
void TutorialApplication::configureTerrainDefaults(Ogre::Light* light)
{
// Configure global
mTerrainGlobals->setMaxPixelError(8);
// testing composite map
mTerrainGlobals->setCompositeMapDistance(3000);
// Important to set these so that the terrain knows what to use for derived (non-realtime) data
mTerrainGlobals->setLightMapDirection(light->getDerivedDirection());
mTerrainGlobals->setCompositeMapAmbient(mSceneMgr->getAmbientLight());
mTerrainGlobals->setCompositeMapDiffuse(light->getDiffuseColour());
// Configure default import settings for if we use imported image
Ogre::Terrain::ImportData& defaultimp = mTerrainGroup->getDefaultImportSettings();
defaultimp.terrainSize = 513;
defaultimp.worldSize = 12000.0f;
defaultimp.inputScale = 600;
defaultimp.minBatchSize = 33;
defaultimp.maxBatchSize = 65;
// textures
defaultimp.layerList.resize(3);
defaultimp.layerList[0].worldSize = 100;
defaultimp.layerList[0].textureNames.push_back("dirt_grayrocky_diffusespecular.dds");
defaultimp.layerList[0].textureNames.push_back("dirt_grayrocky_normalheight.dds");
defaultimp.layerList[1].worldSize = 30;
defaultimp.layerList[1].textureNames.push_back("grass_green-01_diffusespecular.dds");
defaultimp.layerList[1].textureNames.push_back("grass_green-01_normalheight.dds");
defaultimp.layerList[2].worldSize = 200;
defaultimp.layerList[2].textureNames.push_back("growth_weirdfungus-03_diffusespecular.dds");
defaultimp.layerList[2].textureNames.push_back("growth_weirdfungus-03_normalheight.dds");
}
//-------------------------------------------------------------------------------------
void TutorialApplication::createScene(void)
{
// create your scene here :)
mCamera->setPosition(Ogre::Vector3(1683, 50, 2116));
mCamera->lookAt(Ogre::Vector3(1963, 50, 1660));
mCamera->setNearClipDistance(0.1);
mCamera->setFarClipDistance(50000);
if (mRoot->getRenderSystem()->getCapabilities()->hasCapability(Ogre::RSC_INFINITE_FAR_PLANE))
{
mCamera->setFarClipDistance(0); // enable infinite far clip distance if we can
}
Ogre::MaterialManager::getSingleton().setDefaultTextureFiltering(Ogre::TFO_ANISOTROPIC);
Ogre::MaterialManager::getSingleton().setDefaultAnisotropy(7);
Ogre::Vector3 lightdir(0.55, -0.3, 0.75);
lightdir.normalise();
Ogre::Light* light = mSceneMgr->createLight("tstLight");
light->setType(Ogre::Light::LT_DIRECTIONAL);
light->setDirection(lightdir);
light->setDiffuseColour(Ogre::ColourValue::White);
light->setSpecularColour(Ogre::ColourValue(0.4, 0.4, 0.4));
mSceneMgr->setAmbientLight(Ogre::ColourValue(0.2, 0.2, 0.2));
mTerrainGlobals = OGRE_NEW Ogre::TerrainGlobalOptions();
mTerrainGroup = OGRE_NEW Ogre::TerrainGroup(mSceneMgr, Ogre::Terrain::ALIGN_X_Z, 513, 12000.0f);
mTerrainGroup->setFilenameConvention(Ogre::String("BasicTutorial3Terrain"), Ogre::String("dat"));
mTerrainGroup->setOrigin(Ogre::Vector3::ZERO);
configureTerrainDefaults(light);
for (long x = 0; x <= 0; ++x)
for (long y = 0; y <= 0; ++y)
defineTerrain(x, y);
// sync load since we want everything in place when we start
mTerrainGroup->loadAllTerrains(true);
if (mTerrainsImported)
{
Ogre::TerrainGroup::TerrainIterator ti = mTerrainGroup->getTerrainIterator();
while(ti.hasMoreElements())
{
Ogre::Terrain* t = ti.getNext()->instance;
initBlendMaps(t);
}
}
mTerrainGroup->freeTemporaryResources();
}
//-------------------------------------------------------------------------------------
void TutorialApplication::createFrameListener(void)
{
}
//-------------------------------------------------------------------------------------
bool TutorialApplication::frameRenderingQueued(const Ogre::FrameEvent& evt)
{
bool ret = BaseApplication::frameRenderingQueued(evt);
return ret;
}
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
#define WIN32_LEAN_AND_MEAN
#include "windows.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
#else
int main(int argc, char *argv[])
#endif
{
// Create application object
TutorialApplication app;
try {
app.go();
} catch( Ogre::Exception& e ) {
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
#else
std::cerr << "An exception has occured: " <<
e.getFullDescription().c_str() << std::endl;
#endif
}
return 0;
}
#ifdef __cplusplus
}
#endif

次に
地形生成インジケータ
地形の保存
クリーンアップ
を行う事で、アプリを向上出来るようです。
/*
-----------------------------------------------------------------------------
Filename: TutorialApplication.cpp
-----------------------------------------------------------------------------
This source file is part of the
___ __ __ _ _ _
/___\__ _ _ __ ___ / / /\ \ (_) | _(_)
// // _` | '__/ _ \ \ \/ \/ / | |/ / |
/ \_// (_| | | | __/ \ /\ /| | <| |
\___/ \__, |_| \___| \/ \/ |_|_|\_\_|
|___/
Tutorial Framework
http://www.ogre3d.org/tikiwiki/
-----------------------------------------------------------------------------
*/
#include "TutorialApplication.h"
//-------------------------------------------------------------------------------------
TutorialApplication::TutorialApplication(void)
{
}
//-------------------------------------------------------------------------------------
TutorialApplication::~TutorialApplication(void)
{
}
//-------------------------------------------------------------------------------------
void TutorialApplication::destroyScene(void)
{
OGRE_DELETE mTerrainGroup;
OGRE_DELETE mTerrainGlobals;
}
//-------------------------------------------------------------------------------------
void getTerrainImage(bool flipX, bool flipY, Ogre::Image& img)
{
img.load("terrain.png", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
if (flipX)
img.flipAroundY();
if (flipY)
img.flipAroundX();
}
//-------------------------------------------------------------------------------------
void TutorialApplication::defineTerrain(long x, long y)
{
Ogre::String filename = mTerrainGroup->generateFilename(x, y);
if (Ogre::ResourceGroupManager::getSingleton().resourceExists(mTerrainGroup->getResourceGroup(), filename))
{
mTerrainGroup->defineTerrain(x, y);
}
else
{
Ogre::Image img;
getTerrainImage(x % 2 != 0, y % 2 != 0, img);
mTerrainGroup->defineTerrain(x, y, &img);
mTerrainsImported = true;
}
}
//-------------------------------------------------------------------------------------
void TutorialApplication::initBlendMaps(Ogre::Terrain* terrain)
{
Ogre::TerrainLayerBlendMap* blendMap0 = terrain->getLayerBlendMap(1);
Ogre::TerrainLayerBlendMap* blendMap1 = terrain->getLayerBlendMap(2);
Ogre::Real minHeight0 = 70;
Ogre::Real fadeDist0 = 40;
Ogre::Real minHeight1 = 70;
Ogre::Real fadeDist1 = 15;
float* pBlend0 = blendMap0->getBlendPointer();
float* pBlend1 = blendMap1->getBlendPointer();
for (Ogre::uint16 y = 0; y < terrain->getLayerBlendMapSize(); ++y)
{
for (Ogre::uint16 x = 0; x < terrain->getLayerBlendMapSize(); ++x)
{
Ogre::Real tx, ty;
blendMap0->convertImageToTerrainSpace(x, y, &tx, &ty);
Ogre::Real height = terrain->getHeightAtTerrainPosition(tx, ty);
Ogre::Real val = (height - minHeight0) / fadeDist0;
val = Ogre::Math::Clamp(val, (Ogre::Real)0, (Ogre::Real)1);
*pBlend0++ = val;
val = (height - minHeight1) / fadeDist1;
val = Ogre::Math::Clamp(val, (Ogre::Real)0, (Ogre::Real)1);
*pBlend1++ = val;
}
}
blendMap0->dirty();
blendMap1->dirty();
blendMap0->update();
blendMap1->update();
}
//-------------------------------------------------------------------------------------
void TutorialApplication::configureTerrainDefaults(Ogre::Light* light)
{
// Configure global
mTerrainGlobals->setMaxPixelError(8);
// testing composite map
mTerrainGlobals->setCompositeMapDistance(3000);
// Important to set these so that the terrain knows what to use for derived (non-realtime) data
mTerrainGlobals->setLightMapDirection(light->getDerivedDirection());
mTerrainGlobals->setCompositeMapAmbient(mSceneMgr->getAmbientLight());
mTerrainGlobals->setCompositeMapDiffuse(light->getDiffuseColour());
// Configure default import settings for if we use imported image
Ogre::Terrain::ImportData& defaultimp = mTerrainGroup->getDefaultImportSettings();
defaultimp.terrainSize = 513;
defaultimp.worldSize = 12000.0f;
defaultimp.inputScale = 600;
defaultimp.minBatchSize = 33;
defaultimp.maxBatchSize = 65;
// textures
defaultimp.layerList.resize(3);
defaultimp.layerList[0].worldSize = 100;
defaultimp.layerList[0].textureNames.push_back("dirt_grayrocky_diffusespecular.dds");
defaultimp.layerList[0].textureNames.push_back("dirt_grayrocky_normalheight.dds");
defaultimp.layerList[1].worldSize = 30;
defaultimp.layerList[1].textureNames.push_back("grass_green-01_diffusespecular.dds");
defaultimp.layerList[1].textureNames.push_back("grass_green-01_normalheight.dds");
defaultimp.layerList[2].worldSize = 200;
defaultimp.layerList[2].textureNames.push_back("growth_weirdfungus-03_diffusespecular.dds");
defaultimp.layerList[2].textureNames.push_back("growth_weirdfungus-03_normalheight.dds");
}
//-------------------------------------------------------------------------------------
void TutorialApplication::createScene(void)
{
// create your scene here :)
mCamera->setPosition(Ogre::Vector3(1683, 50, 2116));
mCamera->lookAt(Ogre::Vector3(1963, 50, 1660));
mCamera->setNearClipDistance(0.1);
mCamera->setFarClipDistance(50000);
if (mRoot->getRenderSystem()->getCapabilities()->hasCapability(Ogre::RSC_INFINITE_FAR_PLANE))
{
mCamera->setFarClipDistance(0); // enable infinite far clip distance if we can
}
Ogre::MaterialManager::getSingleton().setDefaultTextureFiltering(Ogre::TFO_ANISOTROPIC);
Ogre::MaterialManager::getSingleton().setDefaultAnisotropy(7);
Ogre::Vector3 lightdir(0.55, -0.3, 0.75);
lightdir.normalise();
Ogre::Light* light = mSceneMgr->createLight("tstLight");
light->setType(Ogre::Light::LT_DIRECTIONAL);
light->setDirection(lightdir);
light->setDiffuseColour(Ogre::ColourValue::White);
light->setSpecularColour(Ogre::ColourValue(0.4, 0.4, 0.4));
mSceneMgr->setAmbientLight(Ogre::ColourValue(0.2, 0.2, 0.2));
mTerrainGlobals = OGRE_NEW Ogre::TerrainGlobalOptions();
mTerrainGroup = OGRE_NEW Ogre::TerrainGroup(mSceneMgr, Ogre::Terrain::ALIGN_X_Z, 513, 12000.0f);
mTerrainGroup->setFilenameConvention(Ogre::String("BasicTutorial3Terrain"), Ogre::String("dat"));
mTerrainGroup->setOrigin(Ogre::Vector3::ZERO);
configureTerrainDefaults(light);
for (long x = 0; x <= 0; ++x)
for (long y = 0; y <= 0; ++y)
defineTerrain(x, y);
// sync load since we want everything in place when we start
mTerrainGroup->loadAllTerrains(true);
if (mTerrainsImported)
{
Ogre::TerrainGroup::TerrainIterator ti = mTerrainGroup->getTerrainIterator();
while(ti.hasMoreElements())
{
Ogre::Terrain* t = ti.getNext()->instance;
initBlendMaps(t);
}
}
mTerrainGroup->freeTemporaryResources();
}
//-------------------------------------------------------------------------------------
void TutorialApplication::createFrameListener(void)
{
BaseApplication::createFrameListener();
mInfoLabel = mTrayMgr->createLabel(OgreBites::TL_TOP, "TInfo", "", 350);
}
//-------------------------------------------------------------------------------------
bool TutorialApplication::frameRenderingQueued(const Ogre::FrameEvent& evt)
{
bool ret = BaseApplication::frameRenderingQueued(evt);
if (mTerrainGroup->isDerivedDataUpdateInProgress())
{
mTrayMgr->moveWidgetToTray(mInfoLabel, OgreBites::TL_TOP, 0);
mInfoLabel->show();
if (mTerrainsImported)
{
mInfoLabel->setCaption("Building terrain, please wait...");
}
else
{
mInfoLabel->setCaption("Updating textures, patience...");
}
}
else
{
mTrayMgr->removeWidgetFromTray(mInfoLabel);
mInfoLabel->hide();
if (mTerrainsImported)
{
mTerrainGroup->saveAllTerrains(true);
mTerrainsImported = false;
}
}
return ret;
}
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
#define WIN32_LEAN_AND_MEAN
#include "windows.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
#else
int main(int argc, char *argv[])
#endif
{
// Create application object
TutorialApplication app;
try {
app.go();
} catch( Ogre::Exception& e ) {
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
#else
std::cerr << "An exception has occured: " <<
e.getFullDescription().c_str() << std::endl;
#endif
}
return 0;
}
#ifdef __cplusplus
}
#endif
フレームリスナーを追加して、カメラの移動も可能になった。
次は空
void TutorialApplication::createScene(void){..}の末尾に次の行を追加する。
mSceneMgr->setSkyBox(true, "Examples/SpaceSkyBox");
中断...