/*
* Perform view frustum culling from a specific camera viewpoint
*/
void Renderer::cullFromCamera(Scene *scene, Camera* camera,
ShaderManager* shader_manager)
{
std::vector<SceneObject*> scene_objects;
glm::mat4 view_matrix = camera->getViewMatrix();
glm::mat4 projection_matrix = camera->getProjectionMatrix();
glm::mat4 vp_matrix = glm::mat4(projection_matrix * view_matrix);
glm::vec3 campos(view_matrix[3]);
scene_objects.reserve(1024);
scene_objects.clear();
render_data_vector.clear();
// Travese all scene objects in the scene as a tree and do frustum culling at the same time if enabled
// 1. Build the view frustum
float frustum[6][4];
build_frustum(frustum, (const float*) glm::value_ptr(vp_matrix));
// 2. Iteratively execute frustum culling for each root object (as well as its children objects recursively)
SceneObject *object = scene->getRoot();
if (DEBUG_RENDERER) {
LOGD("FRUSTUM: start frustum culling for root %s\n", object->name().c_str());
}
// frustum_cull(camera->owner_object()->transform()->position(), object, frustum, scene_objects, scene->get_frustum_culling(), 0);
frustum_cull(campos, object, frustum, scene_objects, scene->get_frustum_culling(), 0);
if (DEBUG_RENDERER) {
LOGD("FRUSTUM: end frustum culling for root %s\n", object->name().c_str());
}
// 3. do occlusion culling, if enabled
occlusion_cull(scene, scene_objects, shader_manager, vp_matrix);
}
void editFieldDlg::on_comboTabla_currentIndexChanged(const QString &arg1)
{
ui->comboCampo->clear();
ui->comboCampo->addItems(campos(arg1));
}
void SnowFlakeParticles::Draw(){
for(int loop =0; loop< MAXSNOWPOINTPARTICLES;loop++){
float matrix[16];
vec3f campos(camx,camy,camz);
vec3f vectoreye = (campos - vec3f(pool[loop].x,pool[loop].y,pool[loop].z));
vec3f look = mxy::normalize(vectoreye);
vec3f right = mxy::normalize(cross(look,tempup));
vec3f rightup = mxy::normalize(cross(right,look));
glPushMatrix();
/*glGetFloatv(GL_MODELVIEW_MATRIX , matrix);*/
// matrix[0] = matrix[10] = 1.0f;
//
// matrix[2] = matrix[4] = matrix[6] = matrix[8] = 0.0f;
matrix[0] = right.x; matrix[1] =right.y; matrix[2] = right.z; matrix[3] = 0;
matrix[4] = rightup.x; matrix[5] =rightup.y; matrix[6] = rightup.z; matrix[7] = 0;
matrix[8] = look.x; matrix[9] =look.y; matrix[10] = look.z; matrix[11] = 0;
/*glLoadMatrixf(matrix);*/
glEnable(GL_BLEND); // Enable Blending
glBlendFunc(GL_SRC_ALPHA,GL_ONE); // Type Of Blending To Perform
glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST); // Really Nice Perspective Calculations
glHint(GL_POINT_SMOOTH_HINT,GL_NICEST); // Really Nice Point Smoothing
glEnable(GL_TEXTURE_2D); // Enable Texture Mapping
glBindTexture(GL_TEXTURE_2D,texture);
glColor4f(pool[loop].r,pool[loop].g,pool[loop].b,pool[loop].a);
glBegin(GL_TRIANGLE_STRIP); // Build Quad From A Triangle Strip
glTexCoord2d(1,1); glVertex3f(pool[loop].x+snowflakesize,pool[loop].y+snowflakesize,pool[loop].z); // Top Right
glTexCoord2d(0,1); glVertex3f(pool[loop].x-snowflakesize,pool[loop].y+snowflakesize,pool[loop].z); // Top Left
glTexCoord2d(1,0); glVertex3f(pool[loop].x+snowflakesize,pool[loop].y-snowflakesize,pool[loop].z); // Bottom Right
glTexCoord2d(0,0); glVertex3f(pool[loop].x-snowflakesize,pool[loop].y-snowflakesize,pool[loop].z); // Bottom Left
glEnd();
glDisable(GL_BLEND);
glPopMatrix();
/************************************************************************/
/* update data */
/************************************************************************/
pool[loop].x_old_speed = pool[loop].x_speed;
pool[loop].y_old_speed = pool[loop].y_speed;
pool[loop].z_old_speed = pool[loop].z_speed;
pool[loop].x_speed = pool[loop].x_old_speed + pool[loop].xa * intervaltime;
pool[loop].y_speed = pool[loop].y_old_speed + pool[loop].ya * intervaltime;
pool[loop].z_speed = pool[loop].z_old_speed + pool[loop].za * intervaltime;
pool[loop].x = pool[loop].x + 0.5* (pool[loop].x_speed + pool[loop].x_old_speed) *intervaltime;
pool[loop].y = pool[loop].y + 0.5* (pool[loop].y_speed + pool[loop].y_old_speed) *intervaltime;
pool[loop].z = pool[loop].z + 0.5* (pool[loop].z_speed + pool[loop].z_old_speed) *intervaltime;
pool[loop].life -= pool[loop].fade * intervaltime;
if (pool[loop].life<0.0f || pool[loop].y <0){
pool[loop].active=true; // Make All The Particles Active
pool[loop].life=life; // Give All The Particles Full Life
pool[loop].fade=FADEFUNC; // Random Fade Speed
pool[loop].r = 0.9; // Select Red Rainbow Color
pool[loop].g = 0.9; // Select Red Rainbow Color
pool[loop].b = 0.9; // Select Red Rainbow Color
pool[loop].a = 1.0;
pool[loop].x_speed = 0;
pool[loop].y_speed = 0;
pool[loop].z_speed = 0;
pool[loop].xa= 0;
pool[loop].ya= gravity;
pool[loop].za= 0;
float anglex = RANGEOFANGLE * randf1();
float anflez = RANGEOFANGLE * randf1();
pool[loop].x = radius * sin(anglex);
float temp = radius * cos(anglex);
pool[loop].y = temp + hight;
pool[loop].z = radius * sin(anflez);
}
}
}
void EditCodeBarDlg::on_comboTable_currentIndexChanged(const QString &arg1)
{
ui->comboCampo->clear();
ui->comboCampo->addItems(campos(arg1));
}
void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
f32 tool_reload_ratio)
{
// Get player position
// Smooth the movement when walking up stairs
v3f old_player_position = m_playernode->getPosition();
v3f player_position = player->getPosition();
//if(player->touching_ground && player_position.Y > old_player_position.Y)
if(player->touching_ground &&
player_position.Y > old_player_position.Y)
{
f32 oldy = old_player_position.Y;
f32 newy = player_position.Y;
f32 t = exp(-23*frametime);
player_position.Y = oldy * t + newy * (1-t);
}
// Set player node transformation
m_playernode->setPosition(player_position);
m_playernode->setRotation(v3f(0, -1 * player->getYaw(), 0));
m_playernode->updateAbsolutePosition();
// Get camera tilt timer (hurt animation)
float cameratilt = fabs(fabs(-(player->hurt_tilt_timer_max/2)+player->hurt_tilt_timer)-player->hurt_tilt_timer_max/2)/5;
v3f campos(player->getEyeOffset());
v3f camrot(player->getPitch(), 0, 0);
//f32 incr = 0.3/m_sprinting_fov_states;
/*if(m_sprinting_fov_state <= 0)
{
m_sprinting_fov_state = incr;
}
else if(m_sprinting_fov_state < 0.3)
{
m_sprinting_fov_state += incr;
}*/
if(player->sprinting_timer != -10 && player->sprinting_timer != -20 && player->sprinting_timer != -30)
{
m_sprinting_fov_state = 0.3-player->sprinting_timer;
}
m_headnode->updateAbsolutePosition();
if(cameratilt > 0)
{
campos += v3f(0, cameratilt * -13, 0);
camrot += v3f(0, 0, cameratilt * 13 * BS);
}
if(player->control.sneak)
{
campos += v3f(0, -player->camera_sneak_state*BS, 0);
if (player->camera_sneak_state < 0.18)
player->camera_sneak_state += 0.02;
}
else if (player->camera_sneak_state > 0)
{
player->camera_sneak_state -= 0.02;
}
campos += v3f(0, 0, m_sprinting_fov_state * BS);
// Set head node transformation
m_headnode->setPosition(campos);
m_headnode->setRotation(camrot);
m_headnode->updateAbsolutePosition();
// Compute relative camera position and target
v3f rel_cam_pos = v3f(0,0,0);
v3f rel_cam_target = v3f(0,0,1);
v3f rel_cam_up = v3f(0,1,0);
if (m_view_bobbing_anim != 0)
{
f32 bobfrac = my_modf(m_view_bobbing_anim * 2);
f32 bobdir = (m_view_bobbing_anim < 0.5) ? 1.0 : -1.0;
#if 1
f32 bobknob = 1.2;
f32 bobtmp = sin(pow(bobfrac, bobknob) * PI);
//f32 bobtmp2 = cos(pow(bobfrac, bobknob) * PI);
v3f bobvec = v3f(
0.3 * bobdir * sin(bobfrac * PI),
-0.28 * bobtmp * bobtmp,
0.);
//rel_cam_pos += 0.2 * bobvec;
//rel_cam_target += 0.03 * bobvec;
//rel_cam_up.rotateXYBy(0.02 * bobdir * bobtmp * PI);
float f = 1.0;
f *= g_settings->getFloat("view_bobbing_amount");
rel_cam_pos += bobvec * f;
//rel_cam_target += 0.995 * bobvec * f;
rel_cam_target += bobvec * f;
rel_cam_target.Z -= 0.005 * bobvec.Z * f;
//rel_cam_target.X -= 0.005 * bobvec.X * f;
//rel_cam_target.Y -= 0.005 * bobvec.Y * f;
rel_cam_up.rotateXYBy(-0.03 * bobdir * bobtmp * PI * f);
#else
f32 angle_deg = 1 * bobdir * sin(bobfrac * PI);
f32 angle_rad = angle_deg * PI / 180;
f32 r = 0.05;
v3f off = v3f(
r * sin(angle_rad),
r * (cos(angle_rad) - 1),
0);
rel_cam_pos += off;
//rel_cam_target += off;
rel_cam_up.rotateXYBy(angle_deg);
#endif
}
// Compute absolute camera position and target
m_headnode->getAbsoluteTransformation().transformVect(m_camera_position, rel_cam_pos);
m_headnode->getAbsoluteTransformation().rotateVect(m_camera_direction, rel_cam_target - rel_cam_pos);
v3f abs_cam_up;
m_headnode->getAbsoluteTransformation().rotateVect(abs_cam_up, rel_cam_up);
// Set camera node transformation
m_cameranode->setPosition(m_camera_position);
m_cameranode->setUpVector(abs_cam_up);
// *100.0 helps in large map coordinates
m_cameranode->setTarget(m_camera_position + 100 * m_camera_direction);
// Get FOV setting
f32 fov_degrees = g_settings->getFloat("fov");
fov_degrees = MYMAX(fov_degrees, 10.0);
fov_degrees = MYMIN(fov_degrees, 170.0);
// FOV and aspect ratio
m_aspect = (f32)screensize.X / (f32) screensize.Y;
m_fov_y = fov_degrees * PI / 180.0;
// Increase vertical FOV on lower aspect ratios (<16:10)
m_fov_y *= MYMAX(1.0, MYMIN(1.4, sqrt(16./10. / m_aspect)));
// WTF is this? It can't be right
m_fov_x = 2 * atan(0.5 * m_aspect * tan(m_fov_y));
m_fov_x += m_sprinting_fov_state;
m_fov_y += m_sprinting_fov_state;
m_cameranode->setAspectRatio(m_aspect);
m_cameranode->setFOV(m_fov_y);
// Position the wielded item
//v3f wield_position = v3f(45, -35, 65);
v3f wield_position = v3f(55, -35, 65);
//v3f wield_rotation = v3f(-100, 120, -100);
v3f wield_rotation = v3f(-100, 120, -100);
if(m_digging_anim < 0.05 || m_digging_anim > 0.5)
{
f32 frac = 1.0;
if(m_digging_anim > 0.5)
frac = 2.0 * (m_digging_anim - 0.5);
// This value starts from 1 and settles to 0
f32 ratiothing = pow((1.0f - tool_reload_ratio), 0.5f);
//f32 ratiothing2 = pow(ratiothing, 0.5f);
f32 ratiothing2 = (easeCurve(ratiothing*0.5))*2.0;
wield_position.Y -= frac * 25.0 * pow(ratiothing2, 1.7f);
//wield_position.Z += frac * 5.0 * ratiothing2;
wield_position.X -= frac * 35.0 * pow(ratiothing2, 1.1f);
wield_rotation.Y += frac * 70.0 * pow(ratiothing2, 1.4f);
//wield_rotation.X -= frac * 15.0 * pow(ratiothing2, 1.4f);
//wield_rotation.Z += frac * 15.0 * pow(ratiothing2, 1.0f);
}
if(m_digging_button != -1)
{
if(m_digging_button == 0 && m_eatable)
{
m_is_eating = true;
wield_position.X = 0;
wield_position.Y = -20 + m_eating_anim;
wield_position.Z = 65;
wield_rotation.X = 0;
wield_rotation.Y = 0;
wield_rotation.Z = 0;
}
else
{
m_is_eating = false;
f32 digfrac = m_digging_anim;
wield_position.X -= 50 * sin(pow(digfrac, 0.7f) * PI);
wield_position.Y += 24 * sin(digfrac * 1.8 * PI);
wield_position.Z += 25 * 0.5;
// Euler angles are PURE EVIL, so why not use quaternions?
core::quaternion quat_begin(wield_rotation * core::DEGTORAD);
core::quaternion quat_end(v3f(80, 30, 100) * core::DEGTORAD);
core::quaternion quat_slerp;
quat_slerp.slerp(quat_begin, quat_end, sin(digfrac * PI));
quat_slerp.toEuler(wield_rotation);
wield_rotation *= core::RADTODEG;
}
}
else
{
f32 bobfrac = my_modf(m_view_bobbing_anim);
wield_position.X -= sin(bobfrac*PI*2.0) * 3.0;
wield_position.Y += sin(my_modf(bobfrac*2.0)*PI) * 3.0;
}
m_wieldnode->setPosition(wield_position);
m_wieldnode->setRotation(wield_rotation);
m_wieldlight = player->light;
// Render distance feedback loop
updateViewingRange(frametime);
// If the player seems to be walking on solid ground,
// view bobbing is enabled and the player is not flying,
// start (or continue) the view bobbing animation.
v3f speed = player->getSpeed();
if ((hypot(speed.X, speed.Z) > BS) &&
(player->touching_ground) &&
(g_settings->getBool("view_bobbing") == true) &&
(!player->is_flying ||
!m_gamedef->checkLocalPrivilege("fly")))
{
// Start animation
m_view_bobbing_state = 1;
//m_view_bobbing_speed = MYMIN(speed.getLength(), 40);
m_view_bobbing_speed = speed.getLength()*0.7;
}
else if (m_view_bobbing_state == 1)
{
// Stop animation
m_view_bobbing_state = 2;
m_view_bobbing_speed = 60;
}
}
