void ParticleSystemProxy::simulateNoHeightmap()
{
int timediff = int(GUIEngine::getLatestDt() * 1000.f);
int active_count = getEmitter()->getMaxLifeTime() * getEmitter()->getMaxParticlesPerSecond() / 1000;
core::matrix4 matrix = getAbsoluteTransformation();
glUseProgram(ParticleShader::SimpleSimulationShader::Program);
glEnable(GL_RASTERIZER_DISCARD);
glUniform1i(ParticleShader::SimpleSimulationShader::uniform_dt, timediff);
glUniform1i(ParticleShader::SimpleSimulationShader::uniform_level, active_count);
glUniformMatrix4fv(ParticleShader::SimpleSimulationShader::uniform_sourcematrix, 1, GL_FALSE, matrix.pointer());
glUniform1f(ParticleShader::SimpleSimulationShader::uniform_size_increase_factor, size_increase_factor);
glBindVertexArray(current_simulation_vao);
glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfb_buffers[1]);
glBeginTransformFeedback(GL_POINTS);
glDrawArrays(GL_POINTS, 0, count);
glEndTransformFeedback();
glBindVertexArray(0);
glDisable(GL_RASTERIZER_DISCARD);
std::swap(tfb_buffers[0], tfb_buffers[1]);
std::swap(current_rendering_vao, non_current_rendering_vao);
std::swap(current_simulation_vao, non_current_simulation_vao);
}
ccBBox ccGBLSensor::getOwnBB(bool withGLFeatures/*=false*/)
{
if (!withGLFeatures)
{
return ccBBox();
}
//get sensor position
ccIndexedTransformation sensorPos;
if (!getAbsoluteTransformation(sensorPos,m_activeIndex))
{
return ccBBox();
}
ccPointCloud cloud;
if (!cloud.reserve(8))
{
//not enough memory?!
return ccBBox();
}
cloud.addPoint(CCVector3(-m_scale,-m_scale,-m_scale));
cloud.addPoint(CCVector3(-m_scale,-m_scale, m_scale));
cloud.addPoint(CCVector3(-m_scale, m_scale,-m_scale));
cloud.addPoint(CCVector3(-m_scale, m_scale, m_scale));
cloud.addPoint(CCVector3( m_scale,-m_scale,-m_scale));
cloud.addPoint(CCVector3( m_scale,-m_scale, m_scale));
cloud.addPoint(CCVector3( m_scale, m_scale,-m_scale));
cloud.addPoint(CCVector3( m_scale, m_scale, m_scale));
cloud.applyRigidTransformation(sensorPos);
return cloud.getOwnBB(false);
}
/*
void AnimObject::setSelector(irr::scene::ISceneManager *gSceneManager, irr::scene::ITriangleSelector *selector)
{
selector = gSceneManager->createTriangleSelector(_node);
setTriangleSelector(selector);
selector->drop();
}
void AnimObject::drop()
{
getMesh()->drop();
drop();
}
void AnimObject::setMaterial(ITexture *texture)
{
setMaterialFlag(EMF_LIGHTING, true);
setMaterialTexture(0, texture);
}
void AnimObject::setPosition(vector3df position)
{
setPosition(position);
_billboard->setPosition(position + vector3df(0, 15, 0));
}
void AnimObject::setRotation(vector3df rotation)
{
setRotation(rotation);
}
void AnimObject::setScale(vector3df scale)
{
setScale(scale);
}
// Gets
*/
vector3df AnimObject::getDirection()
{
matrix4 transf = getAbsoluteTransformation();
vector3df dir = vector3df(0.0f, 0.0f, 1.0f);
transf.rotateVect(dir);
return dir;
}
void Camera::updateMatrices()
{
math::Vector3f position = getAbsolutePosition();
math::Vector3f rotation = getAbsoluteTransformation().getRotationDegrees();
view.buildFirstPersonCameraMatrix(position, rotation);
}
void CLightSceneNode::doLightRecalc()
{
if ((LightData.Type == ELT_SPOT) || (LightData.Type == ELT_DIRECTIONAL))
{
LightData.Direction = Vector3(.0f, .0f, 1.0f);
//getAbsoluteTransformation().rotateVect(LightData.Direction);
Matrix4 mat = getAbsoluteTransformation();
LightData.Direction = mat.rotateVect(LightData.Direction);
LightData.Direction.normalize();
}
if ((LightData.Type == ELT_SPOT) || (LightData.Type == ELT_POINT))
{
const FLOAT32 r = LightData.Radius * LightData.Radius * 0.5f;
//BBox.MaxEdge.set(r, r, r);
//BBox.MinEdge.set(-r, -r, -r);
BBox.setMaximum(Vector3(r, r, r));
BBox.setMinimum(Vector3(-r, -r, -r));
//setAutomaticCulling( scene::EAC_BOX );
setAutomaticCulling(EAC_OFF);
LightData.Position = getAbsolutePosition();
}
if (LightData.Type == ELT_DIRECTIONAL)
{
BBox.reset(Vector3(0, 0, 0));
setAutomaticCulling(EAC_OFF);
}
}
void EngineExhaustNode::OnAnimate(u32 timeMs)
{
ISceneNode::OnAnimate(timeMs);
auto vec = mExhaustVelocity;
getAbsoluteTransformation().rotateVect(vec);
for(auto fire : mFireEmitters )
{
fire->getEmitter()->setDirection( vec + mShipVelocity );
}
}
void ParticleSystemProxy::simulateHeightmap()
{
int timediff = int(GUIEngine::getLatestDt() * 1000.f);
int active_count = getEmitter()->getMaxLifeTime() * getEmitter()->getMaxParticlesPerSecond() / 1000;
core::matrix4 matrix = getAbsoluteTransformation();
glUseProgram(HeightmapSimulationShader::Program);
glEnable(GL_RASTERIZER_DISCARD);
glEnableVertexAttribArray(HeightmapSimulationShader::attrib_position);
glEnableVertexAttribArray(HeightmapSimulationShader::attrib_lifetime);
glEnableVertexAttribArray(HeightmapSimulationShader::attrib_velocity);
glEnableVertexAttribArray(HeightmapSimulationShader::attrib_size);
glBindBuffer(GL_ARRAY_BUFFER, tfb_buffers[0]);
glVertexAttribPointer(HeightmapSimulationShader::attrib_position, 3, GL_FLOAT, GL_FALSE, sizeof(ParticleData), (GLvoid*)0);
glVertexAttribPointer(HeightmapSimulationShader::attrib_lifetime, 1, GL_FLOAT, GL_FALSE, sizeof(ParticleData), (GLvoid*)(3 * sizeof(float)));
glVertexAttribPointer(HeightmapSimulationShader::attrib_velocity, 4, GL_FLOAT, GL_FALSE, sizeof(ParticleData), (GLvoid*)(4 * sizeof(float)));
glVertexAttribPointer(HeightmapSimulationShader::attrib_size, 1, GL_FLOAT, GL_FALSE, sizeof(ParticleData), (GLvoid*)(7 * sizeof(float)));
glEnableVertexAttribArray(HeightmapSimulationShader::attrib_initial_position);
glEnableVertexAttribArray(HeightmapSimulationShader::attrib_initial_lifetime);
glEnableVertexAttribArray(HeightmapSimulationShader::attrib_initial_velocity);
glEnableVertexAttribArray(HeightmapSimulationShader::attrib_initial_size);
glBindBuffer(GL_ARRAY_BUFFER, initial_values_buffer);
glVertexAttribPointer(HeightmapSimulationShader::attrib_initial_position, 3, GL_FLOAT, GL_FALSE, sizeof(ParticleData), (GLvoid*)0);
glVertexAttribPointer(HeightmapSimulationShader::attrib_initial_lifetime, 1, GL_FLOAT, GL_FALSE, sizeof(ParticleData), (GLvoid*)(3 * sizeof(float)));
glVertexAttribPointer(HeightmapSimulationShader::attrib_initial_velocity, 4, GL_FLOAT, GL_FALSE, sizeof(ParticleData), (GLvoid*)(4 * sizeof(float)));
glVertexAttribPointer(HeightmapSimulationShader::attrib_initial_size, 1, GL_FLOAT, GL_FALSE, sizeof(ParticleData), (GLvoid*)(7 * sizeof(float)));
glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfb_buffers[1]);
glUniform1i(HeightmapSimulationShader::uniform_dt, timediff);
glUniform1i(HeightmapSimulationShader::uniform_level, active_count);
glUniformMatrix4fv(HeightmapSimulationShader::uniform_sourcematrix, 1, GL_FALSE, matrix.pointer());
glUniform1f(HeightmapSimulationShader::uniform_size_increase_factor, size_increase_factor);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_BUFFER, heightmaptexture);
glUniform1i(HeightmapSimulationShader::uniform_heightmap, 2);
glUniform1f(HeightmapSimulationShader::uniform_track_x, track_x);
glUniform1f(HeightmapSimulationShader::uniform_track_z, track_z);
glUniform1f(HeightmapSimulationShader::uniform_track_x_len, track_x_len);
glUniform1f(HeightmapSimulationShader::uniform_track_z_len, track_z_len);
glBeginTransformFeedback(GL_POINTS);
glDrawArrays(GL_POINTS, 0, count);
glEndTransformFeedback();
glDisableVertexAttribArray(HeightmapSimulationShader::attrib_position);
glDisableVertexAttribArray(HeightmapSimulationShader::attrib_lifetime);
glDisableVertexAttribArray(HeightmapSimulationShader::attrib_velocity);
glDisableVertexAttribArray(HeightmapSimulationShader::attrib_size);
glDisableVertexAttribArray(HeightmapSimulationShader::attrib_initial_position);
glDisableVertexAttribArray(HeightmapSimulationShader::attrib_initial_lifetime);
glDisableVertexAttribArray(HeightmapSimulationShader::attrib_initial_velocity);
glDisableVertexAttribArray(HeightmapSimulationShader::attrib_initial_size);
glDisable(GL_RASTERIZER_DISCARD);
std::swap(tfb_buffers[0], tfb_buffers[1]);
}
ccBBox ccGBLSensor::getOwnFitBB(ccGLMatrix& trans)
{
//get sensor position
ccIndexedTransformation sensorPos;
if (!getAbsoluteTransformation(sensorPos,m_activeIndex))
return ccBBox();
trans = sensorPos;
return ccBBox( CCVector3(-m_scale,-m_scale,-m_scale),
CCVector3( m_scale, m_scale, m_scale) );
}
//! does nothing.
void CGameParticleContainerSceneNode::render()
{
IVideoDriver *driver = getIView()->getDriver();
#ifdef GSEDITOR
CGameObject::EObjectState state = m_owner->getObjectState();
// draw bbox on select
if (
state == CGameObject::Move ||
state == CGameObject::Review
)
setDebugDataVisible( EDS_BBOX );
else
setDebugDataVisible( 0 );
// call object draw
m_owner->drawObject();
#endif
if ( DebugDataVisible & scene::EDS_BBOX )
{
driver->setTransform(video::ETS_WORLD, getAbsoluteTransformation() );
video::SMaterial deb_m;
deb_m.Lighting = false;
driver->setMaterial(deb_m);
driver->draw3DBox( Box, video::SColor(255,255,255,255));
}
#ifdef GSEDITOR
// draw move
if (
state == CGameObject::Move ||
state == CGameObject::Rotation ||
state == CGameObject::Scale
)
m_owner->drawFrontUpLeftVector();
if ( state == CGameObject::Rotation )
m_owner->drawCircleAroundObject();
#endif
}
//! does nothing.
void CGameContainerSceneNode::render()
{
if ( m_owner == NULL )
return;
IVideoDriver *driver = getIView()->getDriver();
if ( DebugDataVisible & scene::EDS_BBOX )
{
driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
video::SMaterial deb_m;
deb_m.Lighting = false;
driver->setMaterial(deb_m);
core::aabbox3d<f32> tbox = Box;
getAbsoluteTransformation().transformBoxEx(tbox);
driver->draw3DBox( tbox, video::SColor(255,255,0,255));
}
}
void CLightSceneNode::doLightRecalc()
{
if ((LightData.Type == video::ELT_SPOT) || (LightData.Type == video::ELT_DIRECTIONAL))
{
LightData.Direction = core::vector3df(.0f,.0f,1.0f);
getAbsoluteTransformation().rotateVect(LightData.Direction);
LightData.Direction.normalize();
}
if ((LightData.Type == video::ELT_SPOT) || (LightData.Type == video::ELT_POINT))
{
const f32 r = LightData.Radius * LightData.Radius * 0.5f;
BBox.MaxEdge.set( r, r, r );
BBox.MinEdge.set( -r, -r, -r );
setAutomaticCulling( scene::EAC_BOX );
LightData.Position = getAbsolutePosition();
}
if (LightData.Type == video::ELT_DIRECTIONAL)
{
BBox.reset( 0, 0, 0 );
setAutomaticCulling( scene::EAC_OFF );
}
}
//! pre render event
void CBillboardTextSceneNode::OnAnimate(u32 timeMs)
{
if (!IsVisible || !Font || !Mesh)
return;
ICameraSceneNode* camera = SceneManager->getActiveCamera();
if (!camera)
return;
// get text width
f32 textLength = 0.f;
u32 i;
for(i=0; i!=Symbol.size(); ++i)
{
SSymbolInfo &info = Symbol[i];
textLength += info.Kerning + info.Width;
}
if (textLength<0.0f)
textLength=1.0f;
//const core::matrix4 &m = camera->getViewFrustum()->Matrices[ video::ETS_VIEW ];
// make billboard look to camera
core::vector3df pos = getAbsolutePosition();
core::vector3df campos = camera->getAbsolutePosition();
core::vector3df target = camera->getTarget();
core::vector3df up = camera->getUpVector();
core::vector3df view = target - campos;
view.normalize();
core::vector3df horizontal = up.crossProduct(view);
if ( horizontal.getLength() == 0 )
{
horizontal.set(up.Y,up.X,up.Z);
}
horizontal.normalize();
core::vector3df space = horizontal;
horizontal *= 0.5f * Size.Width;
core::vector3df vertical = horizontal.crossProduct(view);
vertical.normalize();
vertical *= 0.5f * Size.Height;
view *= -1.0f;
// center text
pos += space * (Size.Width * -0.5f);
for ( i = 0; i!= Symbol.size(); ++i )
{
SSymbolInfo &info = Symbol[i];
f32 infw = info.Width / textLength;
f32 infk = info.Kerning / textLength;
f32 w = (Size.Width * infw * 0.5f);
pos += space * w;
SMeshBuffer* buf = (SMeshBuffer*)Mesh->getMeshBuffer(info.bufNo);
buf->Vertices[info.firstVert+0].Normal = view;
buf->Vertices[info.firstVert+1].Normal = view;
buf->Vertices[info.firstVert+2].Normal = view;
buf->Vertices[info.firstVert+3].Normal = view;
buf->Vertices[info.firstVert+0].Pos = pos + (space * w) + vertical;
buf->Vertices[info.firstVert+1].Pos = pos + (space * w) - vertical;
buf->Vertices[info.firstVert+2].Pos = pos - (space * w) - vertical;
buf->Vertices[info.firstVert+3].Pos = pos - (space * w) + vertical;
pos += space * (Size.Width*infk + w);
}
// make bounding box
for (i=0; i< Mesh->getMeshBufferCount() ; ++i)
Mesh->getMeshBuffer(i)->recalculateBoundingBox();
Mesh->recalculateBoundingBox();
BBox = Mesh->getBoundingBox();
core::matrix4 mat( getAbsoluteTransformation(), core::matrix4::EM4CONST_INVERSE );
mat.transformBoxEx(BBox);
}
void CGameColladaContainerSceneNode::render()
{
if (m_owner == NULL)
return;
#ifdef GSEDITOR
CGameObject::EObjectState state = m_owner->getObjectState();
// draw bbox on select
if (
state == CGameObject::Move ||
state == CGameObject::Review
)
setDebugDataVisible( EDS_BBOX );
else
setDebugDataVisible( 0 );
// call object draw
m_owner->drawObject();
// draw bouding box
if ( DebugDataVisible & scene::EDS_BBOX )
{
IVideoDriver *driver = getIView()->getDriver();
driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
video::SMaterial deb_m;
deb_m.Lighting = false;
driver->setMaterial(deb_m);
core::aabbox3d<f32> tbox = Box;
getAbsoluteTransformation().transformBoxEx(tbox);
driver->draw3DBox( tbox, video::SColor(255,255,255,255));
}
// draw move
if (
state == CGameObject::Move ||
state == CGameObject::Rotation ||
state == CGameObject::Scale
)
m_owner->drawFrontUpLeftVector();
if ( state == CGameObject::Rotation )
m_owner->drawCircleAroundObject();
#else
if ( DebugDataVisible & scene::EDS_BBOX )
{
IVideoDriver *driver = getIView()->getDriver();
driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
video::SMaterial deb_m;
deb_m.Lighting = false;
driver->setMaterial(deb_m);
core::aabbox3d<f32> tbox = Box;
getAbsoluteTransformation().transformBoxEx(tbox);
driver->draw3DBox( tbox, video::SColor(255,0,255,0));
}
#endif
}
// render
// irr scenenode impl
void CGameGrassSceneNode::render()
{
ISceneManager *smgr = getSceneManager();
IVideoDriver *driver = smgr->getVideoDriver();
#ifdef GSEDITOR
CGameObject::EObjectState state = m_owner->getObjectState();
// draw bbox on select
if (
state == CGameObject::Move ||
state == CGameObject::Review
)
setDebugDataVisible( EDS_BBOX );
else
setDebugDataVisible( 0 );
// call object draw
m_owner->drawObject();
#endif
// set world transform
driver->setTransform( video::ETS_WORLD, getAbsoluteTransformation());
// set current material with config shader
driver->setMaterial( m_Material);
// draw mesh with grass shader
int meshCount = m_mesh->getMeshBufferCount();
for ( int i = 0; i < meshCount; i++ )
driver->drawMeshBuffer(m_mesh->getMeshBuffer(i));
// draw bouding box
if ( DebugDataVisible & scene::EDS_BBOX )
{
driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
video::SMaterial deb_m;
deb_m.Lighting = false;
driver->setMaterial(deb_m);
core::aabbox3d<f32> tbox = m_mesh->getBoundingBox();
getAbsoluteTransformation().transformBoxEx(tbox);
driver->draw3DBox( tbox, video::SColor(255,255,255,255));
}
#ifdef GSEDITOR
// draw move
if (
state == CGameObject::Move ||
state == CGameObject::Rotation ||
state == CGameObject::Scale
)
m_owner->drawFrontUpLeftVector();
if ( state == CGameObject::Rotation )
m_owner->drawCircleAroundObject();
#endif
}
void ccGBLSensor::drawMeOnly(CC_DRAW_CONTEXT& context)
{
//we draw here a little 3d representation of the sensor
if (MACRO_Draw3D(context))
{
bool pushName = MACRO_DrawEntityNames(context);
if (pushName)
{
//not particulary fast
if (MACRO_DrawFastNamesOnly(context))
return;
glPushName(getUniqueIDForDisplay());
}
//DGM FIXME: this display routine is crap!
//apply rigid transformation
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
{
ccIndexedTransformation sensorPos;
if (!getAbsoluteTransformation(sensorPos,m_activeIndex))
{
//no visible position for this index!
glPopMatrix();
if (pushName)
glPopName();
return;
}
glMultMatrixf(sensorPos.data());
}
//test: center as sphere
/*{
ccSphere sphere(m_scale/10,0,"Center",12);
sphere.showColors(true);
sphere.setVisible(true);
sphere.setEnabled(true);
CC_DRAW_CONTEXT sphereContext = context;
sphereContext.flags &= (~CC_DRAW_ENTITY_NAMES); //we must remove the 'push name flag' so that the sphere doesn't push its own!
sphereContext._win = 0;
sphere.setTempColor(ccColor::magenta);
sphere.draw(sphereContext);
}
//*/
const PointCoordinateType halfHeadSize = static_cast<PointCoordinateType>(0.3);
//sensor axes
{
//increased width
glPushAttrib(GL_LINE_BIT);
GLfloat width;
glGetFloatv(GL_LINE_WIDTH,&width);
glLineWidth(width+1);
PointCoordinateType axisLength = halfHeadSize * m_scale;
ccGL::Color3v(ccColor::red.rgba);
CCVector3 C(0,0,0);
glBegin(GL_LINES);
ccGL::Vertex3v(C.u);
ccGL::Vertex3(C.x+axisLength,C.y,C.z);
glEnd();
ccGL::Color3v(ccColor::green.rgba);
glBegin(GL_LINES);
ccGL::Vertex3v(C.u);
ccGL::Vertex3(C.x,C.y+axisLength,C.z);
glEnd();
ccGL::Color3v(ccColor::blue.rgba);
glBegin(GL_LINES);
ccGL::Vertex3v(C.u);
ccGL::Vertex3(C.x,C.y,C.z+axisLength);
glEnd();
glPopAttrib();
}
//sensor head
{
CCVector3 minCorner(-halfHeadSize,-halfHeadSize,-halfHeadSize);
CCVector3 maxCorner( halfHeadSize, halfHeadSize, halfHeadSize);
minCorner *= m_scale;
maxCorner *= m_scale;
ccBBox bbHead(minCorner,maxCorner);
bbHead.draw(m_color);
}
//sensor legs
{
CCVector3 headConnect = /*headCenter*/ - CCVector3(0,0,static_cast<PointCoordinateType>(halfHeadSize)*m_scale);
ccGL::Color3v(m_color.rgb);
glBegin(GL_LINES);
ccGL::Vertex3v(headConnect.u);
ccGL::Vertex3(-m_scale,-m_scale,-m_scale);
ccGL::Vertex3v(headConnect.u);
ccGL::Vertex3(-m_scale,m_scale,-m_scale);
ccGL::Vertex3v(headConnect.u);
ccGL::Vertex3(m_scale,0,-m_scale);
glEnd();
}
if (pushName)
glPopName();
glPopMatrix();
}
}
