void FarMesh::render()
{
video::IVideoDriver* driver = SceneManager->getVideoDriver();
/*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_TRANSPARENT)
return;*/
if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SOLID)
return;
/*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SKY_BOX)
return;*/
driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
//const s16 grid_radius_i = 12;
//const float grid_size = BS*50;
const s16 grid_radius_i = m_render_range/MAP_BLOCKSIZE;
const float grid_size = BS*MAP_BLOCKSIZE;
const v2f grid_speed(-BS*0, 0);
// Position of grid noise origin in world coordinates
v2f world_grid_origin_pos_f(0,0);
// Position of grid noise origin from the camera
v2f grid_origin_from_camera_f = world_grid_origin_pos_f - m_camera_pos;
// The center point of drawing in the noise
v2f center_of_drawing_in_noise_f = -grid_origin_from_camera_f;
// The integer center point of drawing in the noise
v2s16 center_of_drawing_in_noise_i(
MYROUND(center_of_drawing_in_noise_f.X / grid_size),
MYROUND(center_of_drawing_in_noise_f.Y / grid_size)
);
// The world position of the integer center point of drawing in the noise
v2f world_center_of_drawing_in_noise_f = v2f(
center_of_drawing_in_noise_i.X * grid_size,
center_of_drawing_in_noise_i.Y * grid_size
) + world_grid_origin_pos_f;
for(s16 zi=-grid_radius_i; zi<grid_radius_i; zi++)
for(s16 xi=-grid_radius_i; xi<grid_radius_i; xi++)
{
/*// Don't draw very close to player
s16 dd = 3;
if(zi > -dd && zi < dd && xi > -dd && xi < dd)
continue;*/
v2s16 p_in_noise_i(
xi+center_of_drawing_in_noise_i.X,
zi+center_of_drawing_in_noise_i.Y
);
// If sector was drawn, don't draw it this way
if(m_client->m_env.getClientMap().sectorWasDrawn(p_in_noise_i))
continue;
/*if((p_in_noise_i.X + p_in_noise_i.Y)%2==0)
continue;*/
/*if((p_in_noise_i.X/2 + p_in_noise_i.Y/2)%2==0)
continue;*/
v2f p0 = v2f(xi,zi)*grid_size + world_center_of_drawing_in_noise_f;
/*double noise[4];
double d = 100*BS;
noise[0] = d*noise2d_perlin(
(float)(p_in_noise_i.X+0)*grid_size/BS/100,
(float)(p_in_noise_i.Y+0)*grid_size/BS/100,
m_seed, 3, 0.5);
noise[1] = d*noise2d_perlin(
(float)(p_in_noise_i.X+0)*grid_size/BS/100,
(float)(p_in_noise_i.Y+1)*grid_size/BS/100,
m_seed, 3, 0.5);
noise[2] = d*noise2d_perlin(
(float)(p_in_noise_i.X+1)*grid_size/BS/100,
(float)(p_in_noise_i.Y+1)*grid_size/BS/100,
m_seed, 3, 0.5);
noise[3] = d*noise2d_perlin(
(float)(p_in_noise_i.X+1)*grid_size/BS/100,
(float)(p_in_noise_i.Y+0)*grid_size/BS/100,
m_seed, 3, 0.5);*/
HeightPoint hps[5];
hps[0] = ground_height(m_seed, v2s16(
(p_in_noise_i.X+0)*grid_size/BS,
(p_in_noise_i.Y+0)*grid_size/BS));
hps[1] = ground_height(m_seed, v2s16(
(p_in_noise_i.X+0)*grid_size/BS,
(p_in_noise_i.Y+1)*grid_size/BS));
hps[2] = ground_height(m_seed, v2s16(
(p_in_noise_i.X+1)*grid_size/BS,
(p_in_noise_i.Y+1)*grid_size/BS));
hps[3] = ground_height(m_seed, v2s16(
(p_in_noise_i.X+1)*grid_size/BS,
(p_in_noise_i.Y+0)*grid_size/BS));
v2s16 centerpoint(
(p_in_noise_i.X+0)*grid_size/BS+MAP_BLOCKSIZE/2,
(p_in_noise_i.Y+0)*grid_size/BS+MAP_BLOCKSIZE/2);
hps[4] = ground_height(m_seed, centerpoint);
float noise[5];
float h_min = BS*65535;
float h_max = -BS*65536;
float ma_avg = 0;
float h_avg = 0;
u32 have_sand_count = 0;
float tree_amount_avg = 0;
for(u32 i=0; i<5; i++)
{
noise[i] = hps[i].gh + hps[i].ma;
if(noise[i] < h_min)
h_min = noise[i];
if(noise[i] > h_max)
h_max = noise[i];
ma_avg += hps[i].ma;
h_avg += noise[i];
if(hps[i].have_sand)
have_sand_count++;
tree_amount_avg += hps[i].tree_amount;
}
ma_avg /= 5.0;
h_avg /= 5.0;
tree_amount_avg /= 5.0;
float steepness = (h_max - h_min)/grid_size;
float light_f = noise[0]+noise[1]-noise[2]-noise[3];
light_f /= 100;
if(light_f < -1.0) light_f = -1.0;
if(light_f > 1.0) light_f = 1.0;
//light_f += 1.0;
//light_f /= 2.0;
v2f p1 = p0 + v2f(1,1)*grid_size;
bool ground_is_sand = false;
bool ground_is_rock = false;
bool ground_is_mud = false;
video::SColor c;
// Detect water
if(h_avg < WATER_LEVEL*BS && h_max < (WATER_LEVEL+5)*BS)
{
//c = video::SColor(255,59,86,146);
//c = video::SColor(255,82,120,204);
c = video::SColor(255,74,105,170);
/*// Set to water level
for(u32 i=0; i<4; i++)
{
if(noise[i] < BS*WATER_LEVEL)
noise[i] = BS*WATER_LEVEL;
}*/
light_f = 0;
}
// Steep cliffs
else if(steepness > 2.0)
{
c = video::SColor(255,128,128,128);
ground_is_rock = true;
}
// Basic ground
else
{
if(ma_avg < 2.0*BS)
{
c = video::SColor(255,128,128,128);
ground_is_rock = true;
}
else
{
if(h_avg <= 2.5*BS && have_sand_count >= 2)
{
c = video::SColor(255,210,194,156);
ground_is_sand = true;
}
else
{
/*// Trees if there are over 0.01 trees per MapNode
if(tree_amount_avg > 0.01)
c = video::SColor(255,50,128,50);
else
c = video::SColor(255,107,134,51);*/
c = video::SColor(255,107,134,51);
ground_is_mud = true;
}
}
}
// Set to water level
for(u32 i=0; i<4; i++)
{
if(noise[i] < BS*WATER_LEVEL)
noise[i] = BS*WATER_LEVEL;
}
float b = m_brightness + light_f*0.1*m_brightness;
if(b < 0) b = 0;
if(b > 2) b = 2;
c = video::SColor(255, b*c.getRed(), b*c.getGreen(), b*c.getBlue());
driver->setMaterial(m_materials[0]);
video::S3DVertex vertices[4] =
{
video::S3DVertex(p0.X,noise[0],p0.Y, 0,0,0, c, 0,1),
video::S3DVertex(p0.X,noise[1],p1.Y, 0,0,0, c, 1,1),
video::S3DVertex(p1.X,noise[2],p1.Y, 0,0,0, c, 1,0),
video::S3DVertex(p1.X,noise[3],p0.Y, 0,0,0, c, 0,0),
};
u16 indices[] = {0,1,2,2,3,0};
driver->drawVertexPrimitiveList(vertices, 4, indices, 2,
video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT);
// Add some trees if appropriate
if(tree_amount_avg >= 0.0065 && steepness < 1.4
&& ground_is_mud == true)
{
driver->setMaterial(m_materials[1]);
float b = m_brightness;
c = video::SColor(255, b*255, b*255, b*255);
{
video::S3DVertex vertices[4] =
{
video::S3DVertex(p0.X,noise[0],p0.Y,
0,0,0, c, 0,1),
video::S3DVertex(p0.X,noise[0]+BS*MAP_BLOCKSIZE,p0.Y,
0,0,0, c, 0,0),
video::S3DVertex(p1.X,noise[2]+BS*MAP_BLOCKSIZE,p1.Y,
0,0,0, c, 1,0),
video::S3DVertex(p1.X,noise[2],p1.Y,
0,0,0, c, 1,1),
};
u16 indices[] = {0,1,2,2,3,0};
driver->drawVertexPrimitiveList(vertices, 4, indices, 2,
video::EVT_STANDARD, scene::EPT_TRIANGLES,
video::EIT_16BIT);
}
{
video::S3DVertex vertices[4] =
{
video::S3DVertex(p1.X,noise[3],p0.Y,
0,0,0, c, 0,1),
video::S3DVertex(p1.X,noise[3]+BS*MAP_BLOCKSIZE,p0.Y,
0,0,0, c, 0,0),
video::S3DVertex(p0.X,noise[1]+BS*MAP_BLOCKSIZE,p1.Y,
0,0,0, c, 1,0),
video::S3DVertex(p0.X,noise[1],p1.Y,
0,0,0, c, 1,1),
};
u16 indices[] = {0,1,2,2,3,0};
driver->drawVertexPrimitiveList(vertices, 4, indices, 2,
video::EVT_STANDARD, scene::EPT_TRIANGLES,
video::EIT_16BIT);
}
}
}
//driver->clearZBuffer();
}
bool CloudParticle::idle(const Uint64 delta_t)
{
if (effect->recall)
return false;
if (base->particles.size() > 1)
{
if ((pos - base->center).magnitude_squared()
> MAX_DRAW_DISTANCE_SQUARED)
{
//Find everything that sees this as a neighbor and delete the references to this.
for (std::vector<CloudParticle*>::iterator iter =
incoming_neighbors.begin(); iter
!= incoming_neighbors.end(); iter++)
(*iter)->remove_neighbor(this);
for (std::vector<CloudParticle*>::iterator iter =
neighbors.begin(); iter != neighbors.end(); iter++)
(*iter)->remove_incoming_neighbor(this);
return false;
}
}
Vec3 velocity_shift;
velocity_shift.randomize();
velocity_shift.y /= 3;
velocity_shift.normalize(0.00002 * fastsqrt(delta_t));
velocity += velocity_shift;
const coord_t magnitude = velocity.magnitude();
if (magnitude > 0.15)
velocity /= (magnitude / 0.15);
if (fabs(velocity.y) > 0.1)
velocity.y *= math_cache.powf_05_close(delta_t / 300000.0);
if (pos.y - size / 40 < min_height)
velocity.y += delta_t / 500000.0;
if (pos.y + size / 40 > max_height)
velocity.y -= delta_t / 2500000.0;
if (effect->particles.size() <= 1)
return true;
if (!neighbors.size())
{
std::map<Particle*, bool>::iterator next_iter;
int offset;
CloudParticle* next;
while (true)
{
next_iter = effect->particles.begin();
offset = randint((int)effect->particles.size());
for (int j = 0; j < offset; j++)
next_iter++;
next = (CloudParticle*)next_iter->first;
if (next != this)
break;
}
neighbors.push_back(next);
next->add_incoming_neighbor(this);
}
// Adjust our neighbors -- try a few points to see if they're closer.
// First, create the map
CloudEffect* eff = (CloudEffect*)effect;
std::map<coord_t, CloudParticle*> neighbors_map;
for (int i = 0; i < (int)neighbors.size(); i++)
{
const coord_t distsquared = (neighbors[i]->pos - pos).magnitude_squared();
neighbors_map[distsquared] = neighbors[i];
}
// Now, try to replace elements.
coord_t maxdist = neighbors_map.rbegin()->first;
for (int i = 0; (i < 1) || ((neighbors_map.size() < 20) && (i < 40)); i++)
{
std::map<Particle*, bool>::iterator iter;
int offset;
CloudParticle* neighbor;
while (true)
{
iter = eff->particles.begin();
offset = randint((int)eff->particles.size());
for (int j = 0; j < offset; j++)
iter++;
neighbor = (CloudParticle*)iter->first;
if (neighbor != this)
break;
}
const coord_t distsquared = (neighbor->pos - pos).magnitude_squared();
if (neighbors_map.size() >= 20)
{
if (distsquared > maxdist)
continue;
if (neighbors_map.count(distsquared))
continue;
}
if (neighbors_map.size() >= 20)
{
std::map<coord_t, CloudParticle*>::iterator iter =
neighbors_map.begin();
for (int j = 0; j < (int)neighbors_map.size() - 1; j++)
iter++;
neighbors_map.erase(iter);
}
neighbors_map[distsquared] = neighbor;
maxdist = neighbors_map.rbegin()->first;
}
// Set our color based on how deep into the cloud we are, based on our neighbors. Also rebuild the neighbors vector.
coord_t distsquaredsum = 0;
Vec3 centerpoint(0.0, 0.0, 0.0);
for (std::vector<CloudParticle*>::iterator iter = neighbors.begin(); iter
!= neighbors.end(); iter++)
(*iter)->remove_incoming_neighbor(this);
neighbors.clear();
for (std::map<coord_t, CloudParticle*>::iterator iter =
neighbors_map.begin(); iter != neighbors_map.end(); iter++)
{
distsquaredsum += iter->first;
centerpoint += iter->second->pos; //Should really be (pos - iter->second->pos); will correct this below for speed.
neighbors.push_back(iter->second);
iter->second->add_incoming_neighbor(this);
}
centerpoint = (pos * 20) - centerpoint;
Vec3 new_normal = centerpoint;
const coord_t magnitude_squared = centerpoint.magnitude_squared();
const coord_t scale= fastsqrt(magnitude_squared);
new_normal /= scale; // Normalize
// light_t new_brightness = 1.0 - (25.0 / (scale + 50.0));
// new_normal.x = (new_normal.x < 0 ? -1 : 1) * math_cache.powf_0_1_rough_close(fabs(new_normal.x), new_brightness * 2.0 - 1.0);
// new_normal.y = (new_normal.y < 0 ? -1 : 1) * math_cache.powf_0_1_rough_close(fabs(new_normal.y), new_brightness * 2.0 - 1.0);
// new_normal.z = (new_normal.z < 0 ? -1 : 1) * math_cache.powf_0_1_rough_close(fabs(new_normal.z), new_brightness * 2.0 - 1.0);
const percent_t change_rate = math_cache.powf_05_close(delta_t
/ 2000000.0);
normal = normal * change_rate + new_normal * (1.0 - change_rate);
normal.normalize();
// color[0] = color[0] * change_rate + new_brightness * (1.0 - change_rate);
// color[1] = color[0];
// color[2] = color[0];
// std::cout << " " << centerpoint << std::endl;
// std::cout << " " << normal << std::endl;
// std::cout << " " << brightness << std::endl;
return true;
}
