mirror of
https://github.com/minetest/minetest.git
synced 2024-08-18 20:44:16 +02:00
Improve lighting of entities.
Pass correct natural & artificial light to the shaders Use natural/artificial light ratio for correct rendering of shadows
This commit is contained in:
parent
f2cccf8da7
commit
54dccc480e
@ -471,7 +471,7 @@ void main(void)
|
||||
color = base.rgb;
|
||||
vec4 col = vec4(color.rgb, base.a);
|
||||
col.rgb *= varColor.rgb;
|
||||
col.rgb *= emissiveColor.rgb * vIDiff;
|
||||
col.rgb *= vIDiff;
|
||||
|
||||
#ifdef ENABLE_DYNAMIC_SHADOWS
|
||||
float shadow_int = 0.0;
|
||||
|
@ -1,7 +1,9 @@
|
||||
uniform mat4 mWorld;
|
||||
|
||||
uniform vec3 dayLight;
|
||||
uniform vec3 eyePosition;
|
||||
uniform float animationTimer;
|
||||
uniform vec4 emissiveColor;
|
||||
|
||||
|
||||
varying vec3 vNormal;
|
||||
varying vec3 vPosition;
|
||||
@ -29,9 +31,9 @@ centroid varying vec2 varTexCoord;
|
||||
|
||||
varying vec3 eyeVec;
|
||||
varying float nightRatio;
|
||||
|
||||
// Color of the light emitted by the light sources.
|
||||
const vec3 artificialLight = vec3(1.04, 1.04, 1.04);
|
||||
varying float vIDiff;
|
||||
|
||||
const float e = 2.718281828459;
|
||||
const float BS = 10.0;
|
||||
|
||||
@ -75,14 +77,30 @@ void main(void)
|
||||
? 1.0
|
||||
: directional_ambient(normalize(inVertexNormal));
|
||||
#endif
|
||||
nightRatio = 0.0;
|
||||
|
||||
#ifdef GL_ES
|
||||
varColor = inVertexColor.bgra;
|
||||
vec4 color = inVertexColor.bgra;
|
||||
#else
|
||||
varColor = inVertexColor;
|
||||
vec4 color = inVertexColor;
|
||||
#endif
|
||||
|
||||
color *= emissiveColor;
|
||||
|
||||
// The alpha gives the ratio of sunlight in the incoming light.
|
||||
nightRatio = 1.0 - color.a;
|
||||
color.rgb = color.rgb * (color.a * dayLight.rgb +
|
||||
nightRatio * artificialLight.rgb) * 2.0;
|
||||
color.a = 1.0;
|
||||
|
||||
// Emphase blue a bit in darker places
|
||||
// See C++ implementation in mapblock_mesh.cpp final_color_blend()
|
||||
float brightness = (color.r + color.g + color.b) / 3.0;
|
||||
color.b += max(0.0, 0.021 - abs(0.2 * brightness - 0.021) +
|
||||
0.07 * brightness);
|
||||
|
||||
varColor = clamp(color, 0.0, 1.0);
|
||||
|
||||
|
||||
#ifdef ENABLE_DYNAMIC_SHADOWS
|
||||
vec3 nNormal = normalize(vNormal);
|
||||
cosLight = dot(nNormal, -v_LightDirection);
|
||||
|
@ -864,7 +864,8 @@ void GenericCAO::updateLight(u32 day_night_ratio)
|
||||
if (m_glow < 0)
|
||||
return;
|
||||
|
||||
u8 light_at_pos = 0;
|
||||
u16 light_at_pos = 0;
|
||||
u8 light_at_pos_intensity = 0;
|
||||
bool pos_ok = false;
|
||||
|
||||
v3s16 pos[3];
|
||||
@ -873,28 +874,33 @@ void GenericCAO::updateLight(u32 day_night_ratio)
|
||||
bool this_ok;
|
||||
MapNode n = m_env->getMap().getNode(pos[i], &this_ok);
|
||||
if (this_ok) {
|
||||
u8 this_light = n.getLightBlend(day_night_ratio, m_client->ndef());
|
||||
light_at_pos = MYMAX(light_at_pos, this_light);
|
||||
u16 this_light = getInteriorLight(n, 0, m_client->ndef());
|
||||
u8 this_light_intensity = MYMAX(this_light & 0xFF, (this_light >> 8) && 0xFF);
|
||||
if (this_light_intensity > light_at_pos_intensity) {
|
||||
light_at_pos = this_light;
|
||||
light_at_pos_intensity = this_light_intensity;
|
||||
}
|
||||
pos_ok = true;
|
||||
}
|
||||
}
|
||||
if (!pos_ok)
|
||||
light_at_pos = blend_light(day_night_ratio, LIGHT_SUN, 0);
|
||||
light_at_pos = LIGHT_SUN;
|
||||
|
||||
video::SColor light = encode_light(light_at_pos, m_glow);
|
||||
if (!m_enable_shaders)
|
||||
final_color_blend(&light, light_at_pos, day_night_ratio);
|
||||
|
||||
u8 light = decode_light(light_at_pos + m_glow);
|
||||
if (light != m_last_light) {
|
||||
m_last_light = light;
|
||||
setNodeLight(light);
|
||||
}
|
||||
}
|
||||
|
||||
void GenericCAO::setNodeLight(u8 light)
|
||||
void GenericCAO::setNodeLight(const video::SColor &light_color)
|
||||
{
|
||||
video::SColor color(255, light, light, light);
|
||||
|
||||
if (m_prop.visual == "wielditem" || m_prop.visual == "item") {
|
||||
if (m_wield_meshnode)
|
||||
m_wield_meshnode->setNodeLightColor(color);
|
||||
m_wield_meshnode->setNodeLightColor(light_color);
|
||||
return;
|
||||
}
|
||||
|
||||
@ -906,7 +912,7 @@ void GenericCAO::setNodeLight(u8 light)
|
||||
scene::IMesh *mesh = m_meshnode->getMesh();
|
||||
for (u32 i = 0; i < mesh->getMeshBufferCount(); ++i) {
|
||||
scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
|
||||
buf->getMaterial().EmissiveColor = color;
|
||||
buf->getMaterial().EmissiveColor = light_color;
|
||||
}
|
||||
} else {
|
||||
scene::ISceneNode *node = getSceneNode();
|
||||
@ -915,16 +921,16 @@ void GenericCAO::setNodeLight(u8 light)
|
||||
|
||||
for (u32 i = 0; i < node->getMaterialCount(); ++i) {
|
||||
video::SMaterial &material = node->getMaterial(i);
|
||||
material.EmissiveColor = color;
|
||||
material.EmissiveColor = light_color;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (m_meshnode) {
|
||||
setMeshColor(m_meshnode->getMesh(), color);
|
||||
setMeshColor(m_meshnode->getMesh(), light_color);
|
||||
} else if (m_animated_meshnode) {
|
||||
setAnimatedMeshColor(m_animated_meshnode, color);
|
||||
setAnimatedMeshColor(m_animated_meshnode, light_color);
|
||||
} else if (m_spritenode) {
|
||||
m_spritenode->setColor(color);
|
||||
m_spritenode->setColor(light_color);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -125,7 +125,7 @@ private:
|
||||
std::string m_current_texture_modifier = "";
|
||||
bool m_visuals_expired = false;
|
||||
float m_step_distance_counter = 0.0f;
|
||||
u8 m_last_light = 255;
|
||||
video::SColor m_last_light = video::SColor(0xFFFFFFFF);
|
||||
bool m_is_visible = false;
|
||||
s8 m_glow = 0;
|
||||
// Material
|
||||
@ -245,7 +245,7 @@ public:
|
||||
|
||||
void updateLight(u32 day_night_ratio);
|
||||
|
||||
void setNodeLight(u8 light);
|
||||
void setNodeLight(const video::SColor &light);
|
||||
|
||||
/* Get light position(s).
|
||||
* returns number of positions written into pos[], which must have space
|
||||
|
@ -515,8 +515,9 @@ void WieldMeshSceneNode::setNodeLightColor(video::SColor color)
|
||||
material.EmissiveColor = color;
|
||||
}
|
||||
}
|
||||
|
||||
setColor(color);
|
||||
else {
|
||||
setColor(color);
|
||||
}
|
||||
}
|
||||
|
||||
void WieldMeshSceneNode::render()
|
||||
|
Loading…
Reference in New Issue
Block a user