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re-added code for reflection & refraction rendering

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This commit is contained in:
scrawl 2012-04-03 14:23:23 +02:00
parent d393f2dd4b
commit fd45208196
3 changed files with 74 additions and 11 deletions
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68
apps/openmw/mwrender/water.cpp
View File

@ -1,4 +1,7 @@
#include "water.hpp"
#include <components/settings/settings.hpp>
using namespace Ogre;
namespace MWRender
{
@ -9,17 +12,17 @@ Water::Water (Ogre::Camera *camera, const ESM::Cell* cell) :
{
try
{
Ogre::CompositorManager::getSingleton().addCompositor(mViewport, "Water", -1);
Ogre::CompositorManager::getSingleton().setCompositorEnabled(mViewport, "Water", false);
CompositorManager::getSingleton().addCompositor(mViewport, "Water", -1);
CompositorManager::getSingleton().setCompositorEnabled(mViewport, "Water", false);
} catch(...) {}
mTop = cell->water;
mIsUnderwater = false;
mWaterPlane = Ogre::Plane(Ogre::Vector3::UNIT_Y, 0);
mWaterPlane = Plane(Vector3::UNIT_Y, 0);
Ogre::MeshManager::getSingleton().createPlane("water", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, mWaterPlane, CELL_SIZE*5, CELL_SIZE * 5, 10, 10, true, 1, 3,5, Ogre::Vector3::UNIT_Z);
MeshManager::getSingleton().createPlane("water", ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, mWaterPlane, CELL_SIZE*5, CELL_SIZE * 5, 10, 10, true, 1, 3,5, Vector3::UNIT_Z);
mWater = mSceneManager->createEntity("water");
@ -33,18 +36,41 @@ Water::Water (Ogre::Camera *camera, const ESM::Cell* cell) :
mWaterNode->setPosition(getSceneNodeCoordinates(cell->data.gridX, cell->data.gridY));
}
mWaterNode->attachObject(mWater);
// Create rendertargets for reflection and refraction
int rttsize = Settings::Manager::getInt("rtt size", "Water");
for (unsigned int i = 0; i < 2; ++i)
{
if (i==0 && !Settings::Manager::getBool("reflection", "Water")) continue;
if (i==1 && !Settings::Manager::getBool("refraction", "Water")) continue;
TexturePtr tex = TextureManager::getSingleton().createManual(i == 0 ? "WaterReflection" : "WaterRefraction",
ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, TEX_TYPE_2D, rttsize, rttsize, 0, PF_R8G8B8, TU_RENDERTARGET);
RenderTarget* rtt = tex->getBuffer()->getRenderTarget();
Viewport* vp = rtt->addViewport(mCamera);
vp->setOverlaysEnabled(false);
vp->setBackgroundColour(ColourValue(0.8f, 0.9f, 1.0f));
vp->setShadowsEnabled(false);
//vp->setVisibilityMask( ... );
rtt->addListener(this);
rtt->setActive(true);
if (i == 0) mReflectionTarget = rtt;
else mRefractionTarget = rtt;
}
}
Water::~Water()
{
Ogre::MeshManager::getSingleton().remove("water");
MeshManager::getSingleton().remove("water");
mWaterNode->detachObject(mWater);
mSceneManager->destroyEntity(mWater);
mSceneManager->destroySceneNode(mWaterNode);
Ogre::CompositorManager::getSingleton().removeCompositorChain(mViewport);
CompositorManager::getSingleton().removeCompositorChain(mViewport);
}
void Water::changeCell(const ESM::Cell* cell)
@ -73,7 +99,7 @@ void Water::checkUnderwater(float y)
if ((mIsUnderwater && y > mTop) || !mWater->isVisible() || mCamera->getPolygonMode() != Ogre::PM_SOLID)
{
try {
Ogre::CompositorManager::getSingleton().setCompositorEnabled(mViewport, "Water", false);
CompositorManager::getSingleton().setCompositorEnabled(mViewport, "Water", false);
} catch(...) {}
mIsUnderwater = false;
}
@ -81,15 +107,37 @@ void Water::checkUnderwater(float y)
if (!mIsUnderwater && y < mTop && mWater->isVisible() && mCamera->getPolygonMode() == Ogre::PM_SOLID)
{
try {
Ogre::CompositorManager::getSingleton().setCompositorEnabled(mViewport, "Water", true);
CompositorManager::getSingleton().setCompositorEnabled(mViewport, "Water", true);
} catch(...) {}
mIsUnderwater = true;
}
}
Ogre::Vector3 Water::getSceneNodeCoordinates(int gridX, int gridY)
Vector3 Water::getSceneNodeCoordinates(int gridX, int gridY)
{
return Ogre::Vector3(gridX * CELL_SIZE + (CELL_SIZE / 2), mTop, -gridY * CELL_SIZE - (CELL_SIZE / 2));
return Vector3(gridX * CELL_SIZE + (CELL_SIZE / 2), mTop, -gridY * CELL_SIZE - (CELL_SIZE / 2));
}
void Water::preRenderTargetUpdate(const RenderTargetEvent& evt)
{
mWater->setVisible(false);
if (evt.source == mReflectionTarget)
{
mCamera->enableCustomNearClipPlane(mWaterPlane);
mCamera->enableReflection(Plane(Vector3::UNIT_Y, mWaterNode->_getDerivedPosition().y));
}
}
void Water::postRenderTargetUpdate(const RenderTargetEvent& evt)
{
mWater->setVisible(true);
if (evt.source == mReflectionTarget)
{
mCamera->disableReflection();
mCamera->disableCustomNearClipPlane();
}
}
} // namespace

9
apps/openmw/mwrender/water.hpp
View File

@ -7,7 +7,7 @@
namespace MWRender {
/// Water rendering
class Water : Ogre::RenderTargetListener, Ogre::Camera::Listener
class Water : Ogre::RenderTargetListener
{
static const int CELL_SIZE = 8192;
Ogre::Camera *mCamera;
@ -23,6 +23,13 @@ namespace MWRender {
Ogre::Vector3 getSceneNodeCoordinates(int gridX, int gridY);
protected:
void preRenderTargetUpdate(const Ogre::RenderTargetEvent& evt);
void postRenderTargetUpdate(const Ogre::RenderTargetEvent& evt);
Ogre::RenderTarget* mReflectionTarget;
Ogre::RenderTarget* mRefractionTarget;
public:
Water (Ogre::Camera *camera, const ESM::Cell* cell);
~Water();

8
files/settings-default.cfg
View File

@ -41,3 +41,11 @@ fog end factor = 1.0
# Max. number of lights that affect the terrain. Setting to 1 will only reflect sunlight
num lights = 8
[Water]
reflection = false
refraction = false
rtt size = 256