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Update volumetrics

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This commit is contained in:
Gefüllte Taubenbrust 2024-08-18 15:13:26 +02:00
parent 22ba7449f2
commit e6752008e0
17 changed files with 420 additions and 181 deletions
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61
src/client/clouds.cpp
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@ -45,7 +45,7 @@ Clouds::Clouds(scene::ISceneManager* mgr, IShaderSource *ssrc,
s32 id,
u32 seed
):
scene::ISceneNode(mgr->getRootSceneNode(), mgr, id),
scene::ISceneNode(g_settings->getBool("enable_volumetric_clouds") ? nullptr : mgr->getRootSceneNode(), mgr, id),
m_seed(seed)
{
m_enable_shaders = g_settings->getBool("enable_shaders");
@ -106,6 +106,14 @@ void Clouds::updateMesh()
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,
center_of_drawing_in_noise_i.Y * cloud_size
) + m_origin;
m_noise_position = world_center_of_drawing_in_noise_f - ((float)m_cloud_radius_i + 0.5f) * cloud_size;
// Only update mesh if it has moved enough, this saves lots of GPU buffer uploads.
constexpr float max_d = 5 * BS;
@ -128,12 +136,6 @@ void Clouds::updateMesh()
const u32 num_faces_to_draw = m_enable_3d ? 6 : 1;
// 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
) + m_origin;
// Colors with primitive shading
video::SColorf c_top_f(m_color);
@ -160,7 +162,7 @@ void Clouds::updateMesh()
// Read noise
std::vector<bool> grid(m_cloud_radius_i * 2 * m_cloud_radius_i * 2);
m_grid.resize(m_cloud_radius_i * 2 * m_cloud_radius_i * 2);
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;
@ -168,7 +170,7 @@ void Clouds::updateMesh()
for (s16 xi = -m_cloud_radius_i; xi < m_cloud_radius_i; xi++) {
u32 i = si + xi;
grid[i] = gridFilled(
m_grid[i] = gridFilled(
xi + center_of_drawing_in_noise_i.X,
zi + center_of_drawing_in_noise_i.Y
);
@ -205,7 +207,7 @@ void Clouds::updateMesh()
u32 i = GETINDEX(xi, zi, m_cloud_radius_i);
if (!grid[i])
if (!m_grid[i])
continue;
v2f p0 = v2f(xi,zi)*cloud_size + world_center_of_drawing_in_noise_f;
@ -238,7 +240,7 @@ void Clouds::updateMesh()
case 1: // back
if (INAREA(xi, zi - 1, m_cloud_radius_i)) {
u32 j = GETINDEX(xi, zi - 1, m_cloud_radius_i);
if(grid[j])
if(m_grid[j])
continue;
}
for (video::S3DVertex &vertex : v) {
@ -253,7 +255,7 @@ void Clouds::updateMesh()
case 2: //right
if (INAREA(xi + 1, zi, m_cloud_radius_i)) {
u32 j = GETINDEX(xi+1, zi, m_cloud_radius_i);
if(grid[j])
if(m_grid[j])
continue;
}
for (video::S3DVertex &vertex : v) {
@ -268,7 +270,7 @@ void Clouds::updateMesh()
case 3: // front
if (INAREA(xi, zi + 1, m_cloud_radius_i)) {
u32 j = GETINDEX(xi, zi + 1, m_cloud_radius_i);
if(grid[j])
if(m_grid[j])
continue;
}
for (video::S3DVertex &vertex : v) {
@ -283,7 +285,7 @@ void Clouds::updateMesh()
case 4: // left
if (INAREA(xi-1, zi, m_cloud_radius_i)) {
u32 j = GETINDEX(xi-1, zi, m_cloud_radius_i);
if(grid[j])
if(m_grid[j])
continue;
}
for (video::S3DVertex &vertex : v) {
@ -343,7 +345,6 @@ void Clouds::updateMesh()
void Clouds::render()
{
#if 0
if (m_params.density <= 0.0f)
return; // no need to do anything
@ -389,12 +390,38 @@ void Clouds::render()
cloud_full_radius*1.2, fog_density, fog_pixelfog, fog_rangefog);
}
//#if 0
driver->drawMeshBuffer(m_meshbuffer.get());
//#endif
// Restore fog settings
driver->setFog(fog_color, fog_type, fog_start, fog_end, fog_density,
fog_pixelfog, fog_rangefog);
#endif
}
void Clouds::renderDepth() {
if (m_params.density <= 0.0f)
return; // no need to do anything
video::IVideoDriver* driver = SceneManager->getVideoDriver();
updateMesh();
// Update position
{
v2f off_origin = m_origin - m_mesh_origin;
v3f rel(off_origin.X, 0, off_origin.Y);
rel -= intToFloat(m_camera_offset, BS);
setPosition(rel);
updateAbsolutePosition();
}
video::SMaterial material = m_material;
material.MaterialType = video::EMT_SOLID;
material.ZWriteEnable = video::EZW_ON;
driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
driver->setMaterial(material);
driver->drawMeshBuffer(m_meshbuffer.get());
}
void Clouds::step(float dtime)