void Clouds::render() { video::IVideoDriver* driver = SceneManager->getVideoDriver(); if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_TRANSPARENT) //if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SOLID) return; ScopeProfiler sp(g_profiler, "Rendering of clouds, avg", SPT_AVG); bool enable_3d = g_settings->getBool("enable_3d_clouds"); int num_faces_to_draw = enable_3d ? 6 : 1; m_material.setFlag(video::EMF_BACK_FACE_CULLING, enable_3d); driver->setTransform(video::ETS_WORLD, AbsoluteTransformation); driver->setMaterial(m_material); /* Clouds move from X+ towards X- */ const s16 cloud_radius_i = 12; const float cloud_size = BS*64; const v2f cloud_speed(0, -BS*2); const float cloud_full_radius = cloud_size * cloud_radius_i; // Position of cloud noise origin in world coordinates v2f world_cloud_origin_pos_f = m_time*cloud_speed; // Position of cloud noise origin from the camera v2f cloud_origin_from_camera_f = world_cloud_origin_pos_f - m_camera_pos; // The center point of drawing in the noise v2f center_of_drawing_in_noise_f = -cloud_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 / cloud_size), MYROUND(center_of_drawing_in_noise_f.Y / cloud_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 * cloud_size, center_of_drawing_in_noise_i.Y * cloud_size ) + world_cloud_origin_pos_f; /*video::SColor c_top(128,b*240,b*240,b*255); video::SColor c_side_1(128,b*230,b*230,b*255); video::SColor c_side_2(128,b*220,b*220,b*245); video::SColor c_bottom(128,b*205,b*205,b*230);*/ video::SColorf c_top_f(m_color); video::SColorf c_side_1_f(m_color); video::SColorf c_side_2_f(m_color); video::SColorf c_bottom_f(m_color); c_side_1_f.r *= 0.95; c_side_1_f.g *= 0.95; c_side_1_f.b *= 0.95; c_side_2_f.r *= 0.90; c_side_2_f.g *= 0.90; c_side_2_f.b *= 0.90; c_bottom_f.r *= 0.80; c_bottom_f.g *= 0.80; c_bottom_f.b *= 0.80; c_top_f.a = 0.9; c_side_1_f.a = 0.9; c_side_2_f.a = 0.9; c_bottom_f.a = 0.9; video::SColor c_top = c_top_f.toSColor(); video::SColor c_side_1 = c_side_1_f.toSColor(); video::SColor c_side_2 = c_side_2_f.toSColor(); video::SColor c_bottom = c_bottom_f.toSColor(); // Get fog parameters for setting them back later video::SColor fog_color(0,0,0,0); video::E_FOG_TYPE fog_type = video::EFT_FOG_LINEAR; f32 fog_start = 0; f32 fog_end = 0; f32 fog_density = 0; bool fog_pixelfog = false; bool fog_rangefog = false; driver->getFog(fog_color, fog_type, fog_start, fog_end, fog_density, fog_pixelfog, fog_rangefog); // Set our own fog driver->setFog(fog_color, fog_type, cloud_full_radius * 0.5, cloud_full_radius*1.2, fog_density, fog_pixelfog, fog_rangefog); // Read noise bool *grid = new bool[cloud_radius_i*2*cloud_radius_i*2]; for(s16 zi=-cloud_radius_i; zi<cloud_radius_i; zi++) for(s16 xi=-cloud_radius_i; xi<cloud_radius_i; xi++) { u32 i = (zi+cloud_radius_i)*cloud_radius_i*2 + xi+cloud_radius_i; v2s16 p_in_noise_i( xi+center_of_drawing_in_noise_i.X, zi+center_of_drawing_in_noise_i.Y ); #if 0 double noise = noise2d_perlin_abs( (float)p_in_noise_i.X*cloud_size/BS/200, (float)p_in_noise_i.Y*cloud_size/BS/200, m_seed, 3, 0.4); grid[i] = (noise >= 0.80); #endif #if 1 double noise = noise2d_perlin( (float)p_in_noise_i.X*cloud_size/BS/200, (float)p_in_noise_i.Y*cloud_size/BS/200, m_seed, 3, 0.5); grid[i] = (noise >= 0.4); #endif } #define GETINDEX(x, z, radius) (((z)+(radius))*(radius)*2 + (x)+(radius)) #define INAREA(x, z, radius) \ ((x) >= -(radius) && (x) < (radius) && (z) >= -(radius) && (z) < (radius)) for(s16 zi0=-cloud_radius_i; zi0<cloud_radius_i; zi0++) for(s16 xi0=-cloud_radius_i; xi0<cloud_radius_i; xi0++) { s16 zi = zi0; s16 xi = xi0; // Draw from front to back (needed for transparency) /*if(zi <= 0) zi = -cloud_radius_i - zi; if(xi <= 0) xi = -cloud_radius_i - xi;*/ // Draw from back to front if(zi >= 0) zi = cloud_radius_i - zi - 1; if(xi >= 0) xi = cloud_radius_i - xi - 1; u32 i = GETINDEX(xi, zi, cloud_radius_i); if(grid[i] == false) continue; v2f p0 = v2f(xi,zi)*cloud_size + world_center_of_drawing_in_noise_f; video::S3DVertex v[4] = { video::S3DVertex(0,0,0, 0,0,0, c_top, 0, 1), video::S3DVertex(0,0,0, 0,0,0, c_top, 1, 1), video::S3DVertex(0,0,0, 0,0,0, c_top, 1, 0), video::S3DVertex(0,0,0, 0,0,0, c_top, 0, 0) }; /*if(zi <= 0 && xi <= 0){ v[0].Color.setBlue(255); v[1].Color.setBlue(255); v[2].Color.setBlue(255); v[3].Color.setBlue(255); }*/ f32 rx = cloud_size/2; f32 ry = 8*BS; f32 rz = cloud_size/2; for(int i=0; i<num_faces_to_draw; i++) { switch(i) { case 0: // top for(int j=0;j<4;j++){ v[j].Normal.set(0,1,0); } v[0].Pos.set(-rx, ry,-rz); v[1].Pos.set(-rx, ry, rz); v[2].Pos.set( rx, ry, rz); v[3].Pos.set( rx, ry,-rz); break; case 1: // back if(INAREA(xi, zi-1, cloud_radius_i)){ u32 j = GETINDEX(xi, zi-1, cloud_radius_i); if(grid[j]) continue; } for(int j=0;j<4;j++){ v[j].Color = c_side_1; v[j].Normal.set(0,0,-1); } v[0].Pos.set(-rx, ry,-rz); v[1].Pos.set( rx, ry,-rz); v[2].Pos.set( rx,-ry,-rz); v[3].Pos.set(-rx,-ry,-rz); break; case 2: //right if(INAREA(xi+1, zi, cloud_radius_i)){ u32 j = GETINDEX(xi+1, zi, cloud_radius_i); if(grid[j]) continue; } for(int j=0;j<4;j++){ v[j].Color = c_side_2; v[j].Normal.set(1,0,0); } v[0].Pos.set( rx, ry,-rz); v[1].Pos.set( rx, ry, rz); v[2].Pos.set( rx,-ry, rz); v[3].Pos.set( rx,-ry,-rz); break; case 3: // front if(INAREA(xi, zi+1, cloud_radius_i)){ u32 j = GETINDEX(xi, zi+1, cloud_radius_i); if(grid[j]) continue; } for(int j=0;j<4;j++){ v[j].Color = c_side_1; v[j].Normal.set(0,0,-1); } v[0].Pos.set( rx, ry, rz); v[1].Pos.set(-rx, ry, rz); v[2].Pos.set(-rx,-ry, rz); v[3].Pos.set( rx,-ry, rz); break; case 4: // left if(INAREA(xi-1, zi, cloud_radius_i)){ u32 j = GETINDEX(xi-1, zi, cloud_radius_i); if(grid[j]) continue; } for(int j=0;j<4;j++){ v[j].Color = c_side_2; v[j].Normal.set(-1,0,0); } v[0].Pos.set(-rx, ry, rz); v[1].Pos.set(-rx, ry,-rz); v[2].Pos.set(-rx,-ry,-rz); v[3].Pos.set(-rx,-ry, rz); break; case 5: // bottom for(int j=0;j<4;j++){ v[j].Color = c_bottom; v[j].Normal.set(0,-1,0); } v[0].Pos.set( rx,-ry, rz); v[1].Pos.set(-rx,-ry, rz); v[2].Pos.set(-rx,-ry,-rz); v[3].Pos.set( rx,-ry,-rz); break; } v3f pos(p0.X, m_cloud_y, p0.Y); pos -= intToFloat(m_camera_offset, BS); for(u16 i=0; i<4; i++) v[i].Pos += pos; u16 indices[] = {0,1,2,2,3,0}; driver->drawVertexPrimitiveList(v, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT); } } delete[] grid; // Restore fog settings driver->setFog(fog_color, fog_type, fog_start, fog_end, fog_density, fog_pixelfog, fog_rangefog); }
void Clouds::render() { video::IVideoDriver* driver = SceneManager->getVideoDriver(); /*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_TRANSPARENT) return;*/ if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SOLID) return; ScopeProfiler sp(g_profiler, "Rendering of clouds, avg", SPT_AVG); int num_faces_to_draw = 6; if(g_settings->getBool("enable_2d_clouds")) num_faces_to_draw = 1; driver->setTransform(video::ETS_WORLD, AbsoluteTransformation); driver->setMaterial(m_material); /* Clouds move from X+ towards X- */ const s16 cloud_radius_i = 12; const float cloud_size = BS*48; const v2f cloud_speed(-BS*2, 0); // Position of cloud noise origin in world coordinates v2f world_cloud_origin_pos_f = m_time*cloud_speed; // Position of cloud noise origin from the camera v2f cloud_origin_from_camera_f = world_cloud_origin_pos_f - m_camera_pos; // The center point of drawing in the noise v2f center_of_drawing_in_noise_f = -cloud_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 / cloud_size), MYROUND(center_of_drawing_in_noise_f.Y / cloud_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 * cloud_size, center_of_drawing_in_noise_i.Y * cloud_size ) + world_cloud_origin_pos_f; for(s16 zi=-cloud_radius_i; zi<cloud_radius_i; zi++) for(s16 xi=-cloud_radius_i; xi<cloud_radius_i; xi++) { v2s16 p_in_noise_i( xi+center_of_drawing_in_noise_i.X, zi+center_of_drawing_in_noise_i.Y ); /*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)*cloud_size + world_center_of_drawing_in_noise_f; double noise = noise2d_perlin_abs( (float)p_in_noise_i.X*cloud_size/BS/200, (float)p_in_noise_i.Y*cloud_size/BS/200, m_seed, 3, 0.4); if(noise < 0.95) continue; float b = m_brightness; video::SColor c_top(128,b*240,b*240,b*255); video::SColor c_side_1(128,b*230,b*230,b*255); video::SColor c_side_2(128,b*220,b*220,b*245); video::SColor c_bottom(128,b*205,b*205,b*230); video::S3DVertex v[4] = { video::S3DVertex(0,0,0, 0,0,0, c_top, 0, 1), video::S3DVertex(0,0,0, 0,0,0, c_top, 1, 1), video::S3DVertex(0,0,0, 0,0,0, c_top, 1, 0), video::S3DVertex(0,0,0, 0,0,0, c_top, 0, 0) }; f32 rx = cloud_size; f32 ry = 8*BS; f32 rz = cloud_size; for(int i=0; i<num_faces_to_draw; i++) { switch(i) { case 0: // top v[0].Pos.X=-rx; v[0].Pos.Y= ry; v[0].Pos.Z=-rz; v[1].Pos.X=-rx; v[1].Pos.Y= ry; v[1].Pos.Z= rz; v[2].Pos.X= rx; v[2].Pos.Y= ry; v[2].Pos.Z= rz; v[3].Pos.X= rx; v[3].Pos.Y= ry, v[3].Pos.Z=-rz; break; case 1: // back for(int j=0;j<4;j++) v[j].Color=c_side_1; v[0].Pos.X=-rx; v[0].Pos.Y= ry; v[0].Pos.Z=-rz; v[1].Pos.X= rx; v[1].Pos.Y= ry; v[1].Pos.Z=-rz; v[2].Pos.X= rx; v[2].Pos.Y=-ry; v[2].Pos.Z=-rz; v[3].Pos.X=-rx; v[3].Pos.Y=-ry, v[3].Pos.Z=-rz; break; case 2: //right for(int j=0;j<4;j++) v[j].Color=c_side_2; v[0].Pos.X= rx; v[0].Pos.Y= ry; v[0].Pos.Z=-rz; v[1].Pos.X= rx; v[1].Pos.Y= ry; v[1].Pos.Z= rz; v[2].Pos.X= rx; v[2].Pos.Y=-ry; v[2].Pos.Z= rz; v[3].Pos.X= rx; v[3].Pos.Y=-ry, v[3].Pos.Z=-rz; break; case 3: // front for(int j=0;j<4;j++) v[j].Color=c_side_1; v[0].Pos.X= rx; v[0].Pos.Y= ry; v[0].Pos.Z= rz; v[1].Pos.X=-rx; v[1].Pos.Y= ry; v[1].Pos.Z= rz; v[2].Pos.X=-rx; v[2].Pos.Y=-ry; v[2].Pos.Z= rz; v[3].Pos.X= rx; v[3].Pos.Y=-ry, v[3].Pos.Z= rz; break; case 4: // left for(int j=0;j<4;j++) v[j].Color=c_side_2; v[0].Pos.X=-rx; v[0].Pos.Y= ry; v[0].Pos.Z= rz; v[1].Pos.X=-rx; v[1].Pos.Y= ry; v[1].Pos.Z=-rz; v[2].Pos.X=-rx; v[2].Pos.Y=-ry; v[2].Pos.Z=-rz; v[3].Pos.X=-rx; v[3].Pos.Y=-ry, v[3].Pos.Z= rz; break; case 5: // bottom for(int j=0;j<4;j++) v[j].Color=c_bottom; v[0].Pos.X= rx; v[0].Pos.Y=-ry; v[0].Pos.Z= rz; v[1].Pos.X=-rx; v[1].Pos.Y=-ry; v[1].Pos.Z= rz; v[2].Pos.X=-rx; v[2].Pos.Y=-ry; v[2].Pos.Z=-rz; v[3].Pos.X= rx; v[3].Pos.Y=-ry, v[3].Pos.Z=-rz; break; } v3f pos = v3f(p0.X,m_cloud_y,p0.Y); for(u16 i=0; i<4; i++) v[i].Pos += pos; u16 indices[] = {0,1,2,2,3,0}; driver->drawVertexPrimitiveList(v, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT); } } }