slapin/ogre-prototype
1
0
Fork 0
Code Issues 6 Pull Requests Actions Packages Projects 1 Releases Wiki Activity

Making this work

Browse Source
This commit is contained in:
Sergey Lapin
2025-08-21 10:47:57 +03:00
parent 52de5b16a8
commit d3b2ae30d5
9 changed files with 147 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
water/water.cpp
View File

@@ -3,6 +3,7 @@
#include <OgreMeshLodGenerator.h>
#include <OgreCompositorManager.h>
#include <OgreMaterialManager.h>
#include <OgreBullet.h>
#include "water.h"
/* TODO: use blender glb model for water shape.
@@ -20,12 +21,19 @@ Water::Water()
, mWindow(nullptr)
, mCameraNode(nullptr)
, mWaterPlane(Ogre::Vector3::UNIT_Y, 0)
, mReflectionPlane(Ogre::Vector3(0.0, 1.0, 0.0), 0.0f /* water height */)
, mReflectionClipPlaneAbove(Ogre::Vector3(0.0, 1.0, 0.0), 0.0f /* water height */ - 2.0f)
, mReflectionClipPlaneBelow(Ogre::Vector3(0.0, -1.0, 0.0), -(0.0f /* water height */ + 2.0))
, mRefractionClipPlaneAbove(Ogre::Vector3(0.0, -1.0, 0.0), -(0.0f /* water height */ + 2.0))
, mRefractionClipPlaneBelow(Ogre::Vector3(0.0, 1.0, 0.0), 0.0f /* water height */ - 2.0)
, mReflectionPlane(Ogre::Vector3(0.0, 1.0, 0.0),
0.0f /* water height */)
, mReflectionClipPlaneAbove(Ogre::Vector3(0.0, 1.0, 0.0),
0.0f /* water height */ - 2.0f)
, mReflectionClipPlaneBelow(Ogre::Vector3(0.0, -1.0, 0.0),
-(0.0f /* water height */ + 2.0))
, mRefractionClipPlaneAbove(Ogre::Vector3(0.0, -1.0, 0.0),
-(0.0f /* water height */ + 2.0))
, mRefractionClipPlaneBelow(Ogre::Vector3(0.0, 1.0, 0.0),
0.0f /* water height */ - 2.0)
, mAbove(true)
, mWaterBody(nullptr)
, mDynWorld(nullptr)
{
}
@@ -33,8 +41,16 @@ Water::~Water()
{
if (mWaterNode)
mScnMgr->destroySceneNode(mWaterNode);
if(mReflectionTexture)
if (mReflectionTexture)
mReflectionTexture->removeAllListeners();
if (mWaterBody) {
if (mWaterBody->getWorldArrayIndex() >= 0)
if (mDynWorld)
mDynWorld->getBtWorld()->removeCollisionObject(
mWaterBody);
delete mWaterBody;
mWaterBody = nullptr;
}
}
void Water::create_cameras()
@@ -48,9 +64,11 @@ void Water::create_cameras()
mReflectionCamera->enableCustomNearClipPlane(mReflectionClipPlaneAbove);
mReflectionCamera->enableReflection(mReflectionPlane);
Ogre::Viewport * reflectionViewport = mReflectionTexture->addViewport(mReflectionCamera, 0, 0, 0, 0.5f, 1.0f);
Ogre::Viewport *reflectionViewport = mReflectionTexture->addViewport(
mReflectionCamera, 0, 0, 0, 0.5f, 1.0f);
reflectionViewport->setClearEveryFrame(true);
reflectionViewport->setBackgroundColour(Ogre::ColourValue(0.0, 0.0, 1.0, 1.0));
reflectionViewport->setBackgroundColour(
Ogre::ColourValue(0.0, 0.0, 1.0, 1.0));
reflectionViewport->setOverlaysEnabled(false);
reflectionViewport->setSkiesEnabled(true);
reflectionViewport->setAutoUpdated(false);
@@ -63,9 +81,11 @@ void Water::create_cameras()
mRefractionCamera->setFarClipDistance(mCamera->getFarClipDistance());
mRefractionCamera->enableCustomNearClipPlane(mRefractionClipPlaneAbove);
Ogre::Viewport * refractionViewport = mReflectionTexture->addViewport(mRefractionCamera, 1, 0.5, 0, 0.5f, 1.0f);
Ogre::Viewport *refractionViewport = mReflectionTexture->addViewport(
mRefractionCamera, 1, 0.5, 0, 0.5f, 1.0f);
refractionViewport->setClearEveryFrame(true);
refractionViewport->setBackgroundColour(Ogre::ColourValue(0.0, 0.5, 1.0, 1.0));
refractionViewport->setBackgroundColour(
Ogre::ColourValue(0.0, 0.5, 1.0, 1.0));
refractionViewport->setOverlaysEnabled(false);
refractionViewport->setSkiesEnabled(false);
refractionViewport->setAutoUpdated(false);
@@ -74,13 +94,12 @@ void Water::create_cameras()
void Water::create_textures()
{
Ogre::TexturePtr reflectionTexture = Ogre::TextureManager::getSingleton().createManual(
"ReflectionRefractionTexture",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D, 512, 512,
0,
Ogre::PF_R8G8B8A8,
Ogre::TU_RENDERTARGET);
Ogre::TexturePtr reflectionTexture =
Ogre::TextureManager::getSingleton().createManual(
"ReflectionRefractionTexture",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D, 512, 512, 0, Ogre::PF_R8G8B8A8,
Ogre::TU_RENDERTARGET);
mReflectionTexture = reflectionTexture->getBuffer()->getRenderTarget();
mReflectionTexture->setAutoUpdated(false);
@@ -115,10 +134,12 @@ void Water::init()
{ -1, 0, 1 }, { 1, 0, -1 }, { 1, 0, 1 } };
mWaterNode = mScnMgr->getRootSceneNode()->createChildSceneNode("Water");
auto mat = Ogre::MaterialManager::getSingleton().getByName("Water/Above");
auto mat =
Ogre::MaterialManager::getSingleton().getByName("Water/Above");
mat->load();
mat->setReceiveShadows(false);
auto mat2 = Ogre::MaterialManager::getSingleton().getByName("Water/Below");
auto mat2 =
Ogre::MaterialManager::getSingleton().getByName("Water/Below");
mat2->load();
mat2->setReceiveShadows(false);
#if 0
@@ -146,9 +167,11 @@ void Water::init()
water_ent->setMaterial(mat);
mWaterNode->attachObject(water_ent);
mWaterMeshes.push_back(water_ent);
mDynWorld->attachCollisionObject(mWaterBody, water_ent, 1, 0x7FFFFFFF);
}
void Water::createWater(Ogre::RenderWindow * window, Ogre::Camera *camera)
void Water::createWater(Ogre::RenderWindow *window, Ogre::Camera *camera,
Ogre::Bullet::DynamicsWorld *world)
{
int i;
mCamera = camera;
@@ -158,6 +181,17 @@ void Water::createWater(Ogre::RenderWindow * window, Ogre::Camera *camera)
mWindow = window;
mCameraPosition = mCameraNode->getPosition();
create_textures();
mDynWorld = world;
mWaterBody = new btGhostObject;
btBoxShape *boxShape = new btBoxShape(btVector3(1000, 1000, 1000));
btCompoundShape *shape = new btCompoundShape;
shape->addChildShape(
btTransform(btQuaternion(), btVector3(0, -1000, 0)), boxShape);
mWaterBody->setCollisionShape(shape);
mWaterBody->setCollisionFlags(
mWaterBody->getCollisionFlags() |
btCollisionObject::CF_NO_CONTACT_RESPONSE |
btCollisionObject::CF_STATIC_OBJECT);
}
void Water::updateWater(float delta)

21
water/water.h
View File

@@ -2,37 +2,38 @@
#define MAT_WATER_H
#include <Ogre.h>
class App;
class btGhostObject;
class Water : public /* Ogre::FrameListener, */ Ogre::RenderTargetListener {
Ogre::SceneManager *mScnMgr;
Ogre::RenderWindow * mWindow;
Ogre::RenderWindow *mWindow;
Ogre::SceneNode *mWaterNode, *mCameraNode;
Ogre::Vector3 mCameraPosition;
Ogre::Camera *mCamera;
Ogre::Plane mWaterPlane,
mReflectionPlane,
mReflectionClipPlaneAbove,
mReflectionClipPlaneBelow,
mRefractionClipPlaneAbove,
Ogre::Plane mWaterPlane, mReflectionPlane, mReflectionClipPlaneAbove,
mReflectionClipPlaneBelow, mRefractionClipPlaneAbove,
mRefractionClipPlaneBelow;
bool mAbove;
std::vector<Ogre::Entity *> mWaterMeshes;
std::vector<Ogre::Viewport *> mViewports;
// Reflection
Ogre::RenderTexture * mReflectionTexture;
Ogre::Camera * mReflectionCamera;
Ogre::RenderTexture *mReflectionTexture;
Ogre::Camera *mReflectionCamera;
// Refraction
// Ogre::RenderTexture * mRefractionTexture;
Ogre::Camera * mRefractionCamera;
Ogre::Camera *mRefractionCamera;
bool mInRefTexUpdate;
Ogre::Timer mtexture_dump;
void create_cameras();
btGhostObject *mWaterBody;
Ogre::Bullet::DynamicsWorld *mDynWorld;
public:
Water();
virtual ~Water();
void create_textures();
void dump_textures();
void createWater(Ogre::RenderWindow * window, Ogre::Camera *camera);
void createWater(Ogre::RenderWindow *window, Ogre::Camera *camera,
Ogre::Bullet::DynamicsWorld *world);
void init();
void updateWater(float delta);
/* bool frameEnded(const Ogre::FrameEvent &evt) override; */