Point2 projectPoint (Point3 &src, Matrix4 &viewMatrix, PointSolver2::Projector &projectionMatrix, Point3 &pointInCam)
{
Point4 src4 (src.x(), src.y(), src.z(), 1);
Point4 pcam = viewMatrix * src4;
pointInCam = pcam.head(3);
return projectionMatrix * pcam;
}
void ModelEntity::updateLocation(const Point4& location)
{
this->translateX = location.getX();
this->translateY = location.getY();
this->translateZ = location.getZ();
updateMetrics();
updateBoundingSphereCenter(true);
}
void ModelEntity::setPosition(const Point4& position)
{
this->translateX = position.getX();
this->translateY = position.getY();
this->translateZ = position.getZ();
this->position = position;
updateMetrics();
updateBoundingSphereCenter(true);
}
void ModelEntity::updateLocationOrientation(const Point4& location, const Quaternion& orientation)
{
this->translateX = location.getX();
this->translateY = location.getY();
this->translateZ = location.getZ();
this->rotation = orientation;
this->updateNormalModelMatrix = true;
updateMetrics();
updateBoundingSphereCenter(true);
}
void DebugDraw::draw(const Plane& plane, const Point4& origin, const Color& color) const
{
Matrix4x4 modelMatrix;
if (!LineGeometryManager::getInstance()->getLineGeometry("GridPlane").get())
{
return;
}
float x = -plane.getPlane()[0] * plane.getPlane()[3] + origin.getX();
float y = -plane.getPlane()[1] * plane.getPlane()[3] + origin.getY();
float z = -plane.getPlane()[2] * plane.getPlane()[3] + origin.getZ();
modelMatrix.identity();
modelMatrix.translate(x, y, z);
modelMatrix.rotateRzRyRx(0.0f, plane.getPlane()[0] * 90.0f, plane.getPlane()[1] * -90.0f);
LineGeometryManager::getInstance()->getLineGeometry("GridPlane")->draw(modelMatrix, color);
}
void ModelEntity::setMetrics(const Point4& position, const Quaternion& rotation, float scaleX, float scaleY, float scaleZ)
{
this->translateX = position.getX();
this->translateY = position.getY();
this->translateZ = position.getZ();
this->position = position;
this->rotation = rotation;
this->scaleX = scaleX;
this->scaleY = scaleY;
this->scaleZ = scaleZ;
this->updateNormalModelMatrix = true;
updateMetrics();
updateBoundingSphereCenter(true);
}
void Sky::render(const Point4& center) const
{
Matrix4x4 translationMatrix;
translationMatrix.translate(center.getX(), center.getY(), center.getZ());
glFrontFace(GL_CW);
if (skyTexture.get())
{
glBindTexture(GL_TEXTURE_CUBE_MAP, skyTexture->getTextureName());
}
else
{
glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
}
program->use();
glUniformMatrix4fv(program->getUniformLocation(u_modelMatrix), 1, GL_FALSE, (translationMatrix * scaleMatrix).getM());
glUniform1i(program->getUniformLocation(u_cubemap), 0);
// Write bright color
glUniform1i(program->getUniformLocation(u_writeBrightColor), writeBrightColor);
glUniform1f(program->getUniformLocation(u_brightColorLimit), brightColorLimit);
skyVAO->bind();
glDrawElements(GL_TRIANGLES, numberIndices, GL_UNSIGNED_INT, 0);
skyVAO->unbind();
glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
glFrontFace(GL_CCW);
}
Point4 TransformMatrix::operator*( const Point4 &v )
{
const float *pnt = v.Data();
float result[4];
for( int i = 0; i < 4; ++i )
{
float rowCol = 0.0;
for( int k = 0; k < 4; ++k )
{
rowCol += mData[i][k] * pnt[k];
}
result[i] = rowCol;
}
return Point4( result[0], result[1], result[2], result[3] );
}
Point3 p4to3 (const Point4 &p4)
{
return Point3 (p4.x(), p4.y(), p4.z());
}
void PointLight::setLightProperties(uint32_t lightNumber, const ProgramSP& program, const Point4& position, const Quaternion& rotation) const
{
glUniform1f(program->getUniformLocation(string(u_light) + to_string(lightNumber) + u_lightType), 1.0f);
glUniform4fv(program->getUniformLocation(string(u_light) + to_string(lightNumber) + u_diffuseLightColor), 1, diffuse.getRGBA());
glUniform4fv(program->getUniformLocation(string(u_light) + to_string(lightNumber) + u_specularLightColor), 1, specular.getRGBA());
glUniform4fv(program->getUniformLocation(string(u_light) + to_string(lightNumber) + u_lightPosition), 1, position.getP());
glUniform1f(program->getUniformLocation(string(u_light) + to_string(lightNumber) + u_lightConstantAttenuation), constantAttenuation);
glUniform1f(program->getUniformLocation(string(u_light) + to_string(lightNumber) + u_lightLinearAttenuation), linearAttenuation);
glUniform1f(program->getUniformLocation(string(u_light) + to_string(lightNumber) + u_lightQuadraticAttenuation), quadraticAttenuation);
}
template<class T> Frustum<T> operator *(const Matrix4<T> &m, const Frustum<T> &frustum)
{
Point4<T> ntl = m * Point4<T>(frustum.getFrustumPoint(Frustum<T>::NTL));
Point4<T> ntr = m * Point4<T>(frustum.getFrustumPoint(Frustum<T>::NTR));
Point4<T> nbl = m * Point4<T>(frustum.getFrustumPoint(Frustum<T>::NBL));
Point4<T> nbr = m * Point4<T>(frustum.getFrustumPoint(Frustum<T>::NBR));
Point4<T> ftl = m * Point4<T>(frustum.getFrustumPoint(Frustum<T>::FTL));
Point4<T> ftr = m * Point4<T>(frustum.getFrustumPoint(Frustum<T>::FTR));
Point4<T> fbl = m * Point4<T>(frustum.getFrustumPoint(Frustum<T>::FBL));
Point4<T> fbr = m * Point4<T>(frustum.getFrustumPoint(Frustum<T>::FBR));
return Frustum<T>(ntl.toPoint3(), ntr.toPoint3(), nbl.toPoint3(), nbr.toPoint3(),
ftl.toPoint3(), ftr.toPoint3(), fbl.toPoint3(), fbr.toPoint3());
}
void PostProcessor::render() const
{
if (!frameBuffer.get() || !tempFrameBuffer.get() || !bloomFrameBuffer.get() || !depthOfFieldFrameBuffer.get() || !blurTexture1DArray.get() || !bloomTexture1DArray.get() || !depthOfFieldTexture1DArray.get() )
{
return;
}
CameraSP currentCamera = CameraManager::getInstance()->getDefaultOrthographicCamera();
Matrix4x4 modelMatrix;
modelMatrix.scale(static_cast<GLfloat>(frameBuffer->getWidth()), static_cast<GLfloat>(frameBuffer->getHeight()), 1.0f);
program->use();
setUniforms();
glDepthMask(GL_FALSE);
glDisable(GL_DEPTH_TEST);
glUniformMatrix4fv(program->getUniformLocation(u_projectionMatrix), 1, GL_FALSE, currentCamera->getProjectionMatrix().getM());
glUniformMatrix4fv(program->getUniformLocation(u_viewMatrix), 1, GL_FALSE, currentCamera->getViewMatrix().getM());
glUniformMatrix4fv(program->getUniformLocation(u_modelMatrix), 1, GL_FALSE, modelMatrix.getM());
//
const CameraSP& defaultCamera = CameraManager::getInstance()->getDefaultPerspectiveCamera();
Point4 focalPoint = defaultCamera->getEye() + (defaultCamera->getDirection() * focal);
Point4 focusedObjectPoint = defaultCamera->getEye() + (defaultCamera->getDirection() * focusedObject);
Point4 biasedFocalPoint = defaultCamera->getBiasedProjectionMatrix() * defaultCamera->getViewMatrix() * focalPoint;
Point4 biasedFocusedObjectPoint = defaultCamera->getBiasedProjectionMatrix() * defaultCamera->getViewMatrix() * focusedObjectPoint;
glUniform1f(program->getUniformLocation(u_aperture), aperture);
glUniform1f(program->getUniformLocation(u_focal), glusClampf(biasedFocalPoint.getZ(), 0.0f, 1.0f));
glUniform1f(program->getUniformLocation(u_focusedObject), glusClampf(biasedFocusedObjectPoint.getZ(), 0.0f, 1.0f));
//
// Depth texture
glActiveTexture(GL_TEXTURE3);
glBindTexture(target, frameBuffer->getDepthTexture()->getTextureName());
glUniform1i(program->getUniformLocation(depthTexture), 3);
glActiveTexture(GL_TEXTURE0);
// Create bloom textures
if (useBloom)
{
use(false);
// Only the bright texture is needed
glActiveTexture(GL_TEXTURE0);
glBindTexture(target, frameBuffer->getColor1Texture()->getTextureName());
glUniform1i(program->getUniformLocation(screenTexture), 0);
// Not used. Just take the color texture as a dummy value
glActiveTexture(GL_TEXTURE1);
glBindTexture(target, frameBuffer->getColor0Texture()->getTextureName());
glUniform1i(program->getUniformLocation(bloomTexture), 1);
// Blur using the bloom texture
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_1D_ARRAY, bloomTexture1DArray->getTextureName());
glUniform1i(program->getUniformLocation(u_blurTexture), 2);
glActiveTexture(GL_TEXTURE0);
glUniform1i(program->getUniformLocation(u_useDoF), false);
glUniform1i(program->getUniformLocation(u_useBlur), true);
glUniform1i(program->getUniformLocation(u_useBloom), false);
glUniform1f(program->getUniformLocation(u_bloomLevel), bloomLevel);
glUniform1i(program->getUniformLocation(u_useExposure), false);
glUniform1f(program->getUniformLocation(u_exposure), exposure);
glUniform1i(program->getUniformLocation(u_useGamma), false);
glUniform1f(program->getUniformLocation(u_gamma), gamma);
postProcessorVAO->bind();
// First pass ...
glUniform1i(program->getUniformLocation(u_blurHorizontal), 1);
glUniform1i(program->getUniformLocation(u_blurVertical), 0);
tempFrameBuffer->use(true);
glDrawElements(GL_TRIANGLES, numberIndices, GL_UNSIGNED_INT, 0);
tempFrameBuffer->use(false);
// ... and final pass
glBindTexture(target, tempFrameBuffer->getColor0Texture()->getTextureName());
glUniform1i(program->getUniformLocation(u_blurHorizontal), 0);
glUniform1i(program->getUniformLocation(u_blurVertical), 1);
bloomFrameBuffer->use(true);
glDrawElements(GL_TRIANGLES, numberIndices, GL_UNSIGNED_INT, 0);
bloomFrameBuffer->use(false);
//
postProcessorVAO->unbind();
glBindTexture(target, 0);
}
FrameBufferSP usedFrameBuffer = frameBuffer;
// Bloom the framebuffer
if (useBloom)
{
use(false);
// Original frame buffer
glActiveTexture(GL_TEXTURE0);
glBindTexture(target, frameBuffer->getColor0Texture()->getTextureName());
glUniform1i(program->getUniformLocation(screenTexture), 0);
// Bloom
glActiveTexture(GL_TEXTURE1);
glBindTexture(target, bloomFrameBuffer->getColor0Texture()->getTextureName());
glUniform1i(program->getUniformLocation(bloomTexture), 1);
// Dummy
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_1D_ARRAY, bloomTexture1DArray->getTextureName());
glUniform1i(program->getUniformLocation(u_blurTexture), 2);
glActiveTexture(GL_TEXTURE0);
glUniform1i(program->getUniformLocation(u_useDoF), false);
glUniform1i(program->getUniformLocation(u_useBlur), false);
glUniform1i(program->getUniformLocation(u_useBloom), true);
glUniform1f(program->getUniformLocation(u_bloomLevel), bloomLevel);
glUniform1i(program->getUniformLocation(u_useExposure), false);
glUniform1f(program->getUniformLocation(u_exposure), exposure);
glUniform1i(program->getUniformLocation(u_useGamma), false);
glUniform1f(program->getUniformLocation(u_gamma), gamma);
glUniform1i(program->getUniformLocation(u_blurHorizontal), 0);
glUniform1i(program->getUniformLocation(u_blurVertical), 0);
postProcessorVAO->bind();
// One pass
tempFrameBuffer->use(true);
glDrawElements(GL_TRIANGLES, numberIndices, GL_UNSIGNED_INT, 0);
tempFrameBuffer->use(false);
//
postProcessorVAO->unbind();
glBindTexture(target, 0);
usedFrameBuffer = tempFrameBuffer;
}
// Depth of field
if (useDoF)
{
use(false);
// Only the color texture is needed
glActiveTexture(GL_TEXTURE0);
glBindTexture(target, usedFrameBuffer->getColor0Texture()->getTextureName());
glUniform1i(program->getUniformLocation(screenTexture), 0);
// Not used. Just take the color texture as a dummy value
glActiveTexture(GL_TEXTURE1);
glBindTexture(target, frameBuffer->getColor0Texture()->getTextureName());
glUniform1i(program->getUniformLocation(bloomTexture), 1);
// Blur using the DOF texture
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_1D_ARRAY, depthOfFieldTexture1DArray->getTextureName());
glUniform1i(program->getUniformLocation(u_blurTexture), 2);
glActiveTexture(GL_TEXTURE0);
glUniform1i(program->getUniformLocation(u_useDoF), true);
glUniform1i(program->getUniformLocation(u_useBlur), false);
glUniform1i(program->getUniformLocation(u_useBloom), false);
glUniform1f(program->getUniformLocation(u_bloomLevel), bloomLevel);
glUniform1i(program->getUniformLocation(u_useExposure), false);
glUniform1f(program->getUniformLocation(u_exposure), exposure);
glUniform1i(program->getUniformLocation(u_useGamma), false);
glUniform1f(program->getUniformLocation(u_gamma), gamma);
postProcessorVAO->bind();
// First pass ...
glUniform1i(program->getUniformLocation(u_blurHorizontal), 1);
glUniform1i(program->getUniformLocation(u_blurVertical), 0);
tempFrameBuffer->use(true);
glDrawElements(GL_TRIANGLES, numberIndices, GL_UNSIGNED_INT, 0);
tempFrameBuffer->use(false);
// ... and final pass
glBindTexture(target, tempFrameBuffer->getColor0Texture()->getTextureName());
glUniform1i(program->getUniformLocation(u_blurHorizontal), 0);
glUniform1i(program->getUniformLocation(u_blurVertical), 1);
depthOfFieldFrameBuffer->use(true);
glDrawElements(GL_TRIANGLES, numberIndices, GL_UNSIGNED_INT, 0);
depthOfFieldFrameBuffer->use(false);
//
postProcessorVAO->unbind();
glBindTexture(target, 0);
usedFrameBuffer = depthOfFieldFrameBuffer;
}
//
use(false);
// Color
glActiveTexture(GL_TEXTURE0);
glBindTexture(target, usedFrameBuffer->getColor0Texture()->getTextureName());
glUniform1i(program->getUniformLocation(screenTexture), 0);
// Not used.
glActiveTexture(GL_TEXTURE1);
glBindTexture(target, bloomFrameBuffer->getColor0Texture()->getTextureName());
glUniform1i(program->getUniformLocation(bloomTexture), 1);
// Blur
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_1D_ARRAY, blurTexture1DArray->getTextureName());
glUniform1i(program->getUniformLocation(u_blurTexture), 2);
glActiveTexture(GL_TEXTURE0);
glUniform1i(program->getUniformLocation(u_useDoF), false);
glUniform1i(program->getUniformLocation(u_useBlur), useBlur);
glUniform1i(program->getUniformLocation(u_blurHorizontal), 1);
glUniform1i(program->getUniformLocation(u_blurVertical), 1);
glUniform1i(program->getUniformLocation(u_useBloom), false);
glUniform1f(program->getUniformLocation(u_bloomLevel), bloomLevel);
glUniform1i(program->getUniformLocation(u_useExposure), useExposure);
glUniform1f(program->getUniformLocation(u_exposure), exposure);
glUniform1i(program->getUniformLocation(u_useGamma), useGamma);
glUniform1f(program->getUniformLocation(u_gamma), gamma);
postProcessorVAO->bind();
glDrawElements(GL_TRIANGLES, numberIndices, GL_UNSIGNED_INT, 0);
postProcessorVAO->unbind();
//
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glBindTexture(target, 0);
}
