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Don't use fixed pipeline lighting for stars (#15164)

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grorp 2024-09-16 10:16:55 +02:00 committed by GitHub
parent 47f199e6cb
commit 740dc0162e
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1 changed files with 14 additions and 11 deletions
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21
src/client/sky.cpp
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@ -25,6 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <ISceneManager.h>
#include <ICameraSceneNode.h>
#include <S3DVertex.h>
#include "client/mesh.h"
#include "client/tile.h"
#include "noise.h" // easeCurve
#include "profiler.h"
@ -77,10 +78,9 @@ Sky::Sky(s32 id, RenderingEngine *rendering_engine, ITextureSource *tsrc, IShade
// Create materials
m_materials[0] = baseMaterial();
// FIXME: shouldn't this check m_enable_shaders?
m_materials[0].MaterialType = ssrc->getShaderInfo(ssrc->getShader("stars_shader", TILE_MATERIAL_ALPHA)).material;
m_materials[0].Lighting = true;
m_materials[0].ColorMaterial = video::ECM_NONE;
m_materials[0].MaterialType = m_enable_shaders ?
ssrc->getShaderInfo(ssrc->getShader("stars_shader", TILE_MATERIAL_ALPHA)).material :
video::EMT_TRANSPARENT_ALPHA_CHANNEL;
m_materials[1] = baseMaterial();
m_materials[1].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
@ -688,7 +688,10 @@ void Sky::draw_stars(video::IVideoDriver * driver, float wicked_time_of_day)
color.a *= alpha;
if (color.a <= 0.0f) // Stars are only drawn when not fully transparent
return;
if (m_enable_shaders)
m_materials[0].EmissiveColor = color.toSColor();
else
setMeshBufferColor(m_stars.get(), color.toSColor());
auto sky_rotation = core::matrix4().setRotationAxisRadians(2.0f * M_PI * (wicked_time_of_day - 0.25f), v3f(0.0f, 0.0f, 1.0f));
auto world_matrix = driver->getTransform(video::ETS_WORLD);
@ -835,7 +838,6 @@ void Sky::updateStars()
vertices.reserve(4 * m_star_params.count);
indices.reserve(6 * m_star_params.count);
video::SColor fallback_color = m_star_params.starcolor; // used on GLES 2 “without shaders”
PcgRandom rgen(m_seed);
float d = (0.006 / 2) * m_star_params.scale;
for (u16 i = 0; i < m_star_params.count; i++) {
@ -854,10 +856,10 @@ void Sky::updateStars()
a.rotateVect(p1);
a.rotateVect(p2);
a.rotateVect(p3);
vertices.push_back(video::S3DVertex(p, {}, fallback_color, {}));
vertices.push_back(video::S3DVertex(p1, {}, fallback_color, {}));
vertices.push_back(video::S3DVertex(p2, {}, fallback_color, {}));
vertices.push_back(video::S3DVertex(p3, {}, fallback_color, {}));
vertices.push_back(video::S3DVertex(p, {}, {}, {}));
vertices.push_back(video::S3DVertex(p1, {}, {}, {}));
vertices.push_back(video::S3DVertex(p2, {}, {}, {}));
vertices.push_back(video::S3DVertex(p3, {}, {}, {}));
}
for (u16 i = 0; i < m_star_params.count; i++) {
indices.push_back(i * 4 + 0);
@ -867,6 +869,7 @@ void Sky::updateStars()
indices.push_back(i * 4 + 3);
indices.push_back(i * 4 + 0);
}
if (m_enable_shaders)
m_stars->setHardwareMappingHint(scene::EHM_STATIC);
}