51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include "client/renderingengine.h"
#include "clouds.h"
#include "noise.h"
#include "constants.h"
#include "debug.h"
#include "profiler.h"
#include "settings.h"
+#include <cmath>
// Menu clouds are created later
Clouds *g_menuclouds = NULL;
irr::scene::ISceneManager *g_menucloudsmgr = NULL;
+// Constant for now
+static constexpr const float cloud_size = BS * 64.0f;
+
static void cloud_3d_setting_changed(const std::string &settingname, void *data)
{
- // TODO: only re-read cloud settings, not height or radius
((Clouds *)data)->readSettings();
}
-Clouds::Clouds(
- scene::ISceneNode* parent,
- scene::ISceneManager* mgr,
+Clouds::Clouds(scene::ISceneManager* mgr,
s32 id,
- u32 seed,
- s16 cloudheight
+ u32 seed
):
- scene::ISceneNode(parent, mgr, id),
- m_seed(seed),
- m_camera_pos(0.0f, 0.0f),
- m_origin(0.0f, 0.0f),
- m_camera_offset(0.0f, 0.0f, 0.0f),
- m_color(1.0f, 1.0f, 1.0f, 1.0f)
+ scene::ISceneNode(mgr->getRootSceneNode(), mgr, id),
+ m_seed(seed)
{
m_material.setFlag(video::EMF_LIGHTING, false);
//m_material.setFlag(video::EMF_BACK_FACE_CULLING, false);
//m_material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
m_material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
+ m_params.height = 120;
m_params.density = 0.4f;
m_params.thickness = 16.0f;
- m_params.color_bright = video::SColor(229, 255, 240, 240);
+ m_params.color_bright = video::SColor(229, 240, 240, 255);
m_params.color_ambient = video::SColor(255, 0, 0, 0);
m_params.speed = v2f(0.0f, -2.0f);
- m_passed_cloud_y = cloudheight;
readSettings();
g_settings->registerChangedCallback("enable_3d_clouds",
&cloud_3d_setting_changed, this);
ISceneNode::OnRegisterSceneNode();
}
-#define MYROUND(x) (x > 0.0 ? (int)x : (int)x - 1)
-
void Clouds::render()
{
return;
ScopeProfiler sp(g_profiler, "Rendering of clouds, avg", SPT_AVG);
-
+
int num_faces_to_draw = m_enable_3d ? 6 : 1;
-
+
m_material.setFlag(video::EMF_BACK_FACE_CULLING, m_enable_3d);
driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
driver->setMaterial(m_material);
-
+
/*
Clouds move from Z+ towards Z-
*/
- static const float cloud_size = BS * 64.0f;
-
const float cloud_full_radius = cloud_size * m_cloud_radius_i;
-
+
+ v2f camera_pos_2d(m_camera_pos.X, m_camera_pos.Z);
// Position of cloud noise origin from the camera
- v2f cloud_origin_from_camera_f = m_origin - m_camera_pos;
+ v2f cloud_origin_from_camera_f = m_origin - camera_pos_2d;
// 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)
+ std::floor(center_of_drawing_in_noise_f.X / cloud_size),
+ std::floor(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,
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);
bool *grid = new bool[m_cloud_radius_i * 2 * m_cloud_radius_i * 2];
- float cloud_size_noise = cloud_size / BS / 200;
for(s16 zi = -m_cloud_radius_i; zi < m_cloud_radius_i; zi++) {
u32 si = (zi + m_cloud_radius_i) * m_cloud_radius_i * 2 + m_cloud_radius_i;
for (s16 xi = -m_cloud_radius_i; xi < m_cloud_radius_i; xi++) {
u32 i = si + xi;
- v2s16 p_in_noise_i(
+ grid[i] = gridFilled(
xi + center_of_drawing_in_noise_i.X,
zi + center_of_drawing_in_noise_i.Y
);
-
- float noise = noise2d_perlin(
- (float)p_in_noise_i.X * cloud_size_noise,
- (float)p_in_noise_i.Y * cloud_size_noise,
- m_seed, 3, 0.5);
- // normalize to 0..1 (given 3 octaves)
- static const float noise_bound = 1.0f + 0.5f + 0.25f;
- float density = noise / noise_bound * 0.5f + 0.5f;
- grid[i] = (density < m_params.density);
}
}
u32 i = GETINDEX(xi, zi, m_cloud_radius_i);
- if(grid[i] == false)
+ if (!grid[i])
continue;
v2f p0 = v2f(xi,zi)*cloud_size + world_center_of_drawing_in_noise_f;
switch(i)
{
case 0: // top
- for(int j=0;j<4;j++){
- v[j].Normal.set(0,1,0);
+ for (video::S3DVertex &vertex : v) {
+ vertex.Normal.set(0,1,0);
}
v[0].Pos.set(-rx, ry,-rz);
v[1].Pos.set(-rx, ry, rz);
if(grid[j])
continue;
}
- for(int j=0;j<4;j++){
- v[j].Color = c_side_1;
- v[j].Normal.set(0,0,-1);
+ for (video::S3DVertex &vertex : v) {
+ vertex.Color = c_side_1;
+ vertex.Normal.set(0,0,-1);
}
v[0].Pos.set(-rx, ry,-rz);
v[1].Pos.set( rx, ry,-rz);
if(grid[j])
continue;
}
- for(int j=0;j<4;j++){
- v[j].Color = c_side_2;
- v[j].Normal.set(1,0,0);
+ for (video::S3DVertex &vertex : v) {
+ vertex.Color = c_side_2;
+ vertex.Normal.set(1,0,0);
}
v[0].Pos.set( rx, ry,-rz);
v[1].Pos.set( rx, ry, rz);
if(grid[j])
continue;
}
- for(int j=0;j<4;j++){
- v[j].Color = c_side_1;
- v[j].Normal.set(0,0,-1);
+ for (video::S3DVertex &vertex : v) {
+ vertex.Color = c_side_1;
+ vertex.Normal.set(0,0,-1);
}
v[0].Pos.set( rx, ry, rz);
v[1].Pos.set(-rx, ry, rz);
if(grid[j])
continue;
}
- for(int j=0;j<4;j++){
- v[j].Color = c_side_2;
- v[j].Normal.set(-1,0,0);
+ for (video::S3DVertex &vertex : v) {
+ vertex.Color = c_side_2;
+ vertex.Normal.set(-1,0,0);
}
v[0].Pos.set(-rx, ry, rz);
v[1].Pos.set(-rx, ry,-rz);
v[3].Pos.set(-rx, 0, rz);
break;
case 5: // bottom
- for(int j=0;j<4;j++){
- v[j].Color = c_bottom;
- v[j].Normal.set(0,-1,0);
+ for (video::S3DVertex &vertex : v) {
+ vertex.Color = c_bottom;
+ vertex.Normal.set(0,-1,0);
}
v[0].Pos.set( rx, 0, rz);
v[1].Pos.set(-rx, 0, rz);
v3f pos(p0.X, m_params.height * BS, p0.Y);
pos -= intToFloat(m_camera_offset, BS);
- for(u16 i=0; i<4; i++)
- v[i].Pos += pos;
+ for (video::S3DVertex &vertex : v)
+ vertex.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);
m_origin = m_origin + dtime * BS * m_params.speed;
}
-void Clouds::update(v2f camera_p, video::SColorf color_diffuse)
+void Clouds::update(const v3f &camera_p, const video::SColorf &color_diffuse)
{
m_camera_pos = camera_p;
m_color.r = MYMIN(MYMAX(color_diffuse.r * m_params.color_bright.getRed(),
m_params.color_ambient.getRed()), 255) / 255.0f;
- m_color.g = MYMIN(MYMAX(color_diffuse.r * m_params.color_bright.getGreen(),
+ m_color.g = MYMIN(MYMAX(color_diffuse.g * m_params.color_bright.getGreen(),
m_params.color_ambient.getGreen()), 255) / 255.0f;
m_color.b = MYMIN(MYMAX(color_diffuse.b * m_params.color_bright.getBlue(),
m_params.color_ambient.getBlue()), 255) / 255.0f;
m_color.a = m_params.color_bright.getAlpha() / 255.0f;
+
+ // is the camera inside the cloud mesh?
+ m_camera_inside_cloud = false; // default
+ if (m_enable_3d) {
+ float camera_height = camera_p.Y;
+ if (camera_height >= m_box.MinEdge.Y &&
+ camera_height <= m_box.MaxEdge.Y) {
+ v2f camera_in_noise;
+ camera_in_noise.X = floor((camera_p.X - m_origin.X) / cloud_size + 0.5);
+ camera_in_noise.Y = floor((camera_p.Z - m_origin.Y) / cloud_size + 0.5);
+ bool filled = gridFilled(camera_in_noise.X, camera_in_noise.Y);
+ m_camera_inside_cloud = filled;
+ }
+ }
}
void Clouds::readSettings()
{
- m_params.height = (m_passed_cloud_y ? m_passed_cloud_y :
- g_settings->getS16("cloud_height"));
m_cloud_radius_i = g_settings->getU16("cloud_radius");
m_enable_3d = g_settings->getBool("enable_3d_clouds");
}
+
+bool Clouds::gridFilled(int x, int y) const
+{
+ float cloud_size_noise = cloud_size / (BS * 200.f);
+ float noise = noise2d_perlin(
+ (float)x * cloud_size_noise,
+ (float)y * cloud_size_noise,
+ m_seed, 3, 0.5);
+ // normalize to 0..1 (given 3 octaves)
+ static constexpr const float noise_bound = 1.0f + 0.5f + 0.25f;
+ float density = noise / noise_bound * 0.5f + 0.5f;
+ return (density < m_params.density);
+}
projects / dragonfireclient.git / blobdiff