diff options
Diffstat (limited to 'src/mapblock_mesh.cpp')
| -rw-r--r-- | src/mapblock_mesh.cpp | 66 |
1 files changed, 32 insertions, 34 deletions
diff --git a/src/mapblock_mesh.cpp b/src/mapblock_mesh.cpp index 99a5ce0dd..3324dd2b6 100644 --- a/src/mapblock_mesh.cpp +++ b/src/mapblock_mesh.cpp @@ -221,11 +221,11 @@ u16 getFaceLight(MapNode n, MapNode n2, v3s16 face_dir, INodeDefManager *ndef) /* Calculate smooth lighting at the XYZ- corner of p. - Single light bank. + Both light banks */ -static u8 getSmoothLight(enum LightBank bank, v3s16 p, MeshMakeData *data) +static u16 getSmoothLightCombined(v3s16 p, MeshMakeData *data) { - static v3s16 dirs8[8] = { + static const v3s16 dirs8[8] = { v3s16(0,0,0), v3s16(0,0,1), v3s16(0,1,0), @@ -239,10 +239,12 @@ static u8 getSmoothLight(enum LightBank bank, v3s16 p, MeshMakeData *data) INodeDefManager *ndef = data->m_gamedef->ndef(); u16 ambient_occlusion = 0; - u16 light = 0; u16 light_count = 0; u8 light_source_max = 0; - for(u32 i=0; i<8; i++) + u16 light_day = 0; + u16 light_night = 0; + + for(u32 i = 0; i < 8; i++) { MapNode n = data->m_vmanip.getNodeNoEx(p - dirs8[i]); @@ -256,48 +258,44 @@ static u8 getSmoothLight(enum LightBank bank, v3s16 p, MeshMakeData *data) light_source_max = f.light_source; // Check f.solidness because fast-style leaves look // better this way - if(f.param_type == CPT_LIGHT && f.solidness != 2) - { - light += decode_light(n.getLight(bank, ndef)); + if (f.param_type == CPT_LIGHT && f.solidness != 2) { + light_day += decode_light(n.getLight(LIGHTBANK_DAY, ndef)); + light_night += decode_light(n.getLight(LIGHTBANK_NIGHT, ndef)); light_count++; - } - else { + } else { ambient_occlusion++; } } if(light_count == 0) - return 255; + return 0xffff; - light /= light_count; + light_day /= light_count; + light_night /= light_count; // Boost brightness around light sources - if(decode_light(light_source_max) >= light) - //return decode_light(undiminish_light(light_source_max)); - return decode_light(light_source_max); + bool skip_ambient_occlusion = false; + if(decode_light(light_source_max) >= light_day) { + light_day = decode_light(light_source_max); + skip_ambient_occlusion = true; + } + if(decode_light(light_source_max) >= light_night) { + light_night = decode_light(light_source_max); + skip_ambient_occlusion = true; + } - if(ambient_occlusion > 4) + if(ambient_occlusion > 4 && !skip_ambient_occlusion) { //calculate table index for gamma space multiplier ambient_occlusion -= 5; //table of precalculated gamma space multiply factors //light^2.2 * factor (0.75, 0.5, 0.25, 0.0), so table holds factor ^ (1 / 2.2) - const float light_amount[4] = {0.877424315, 0.729740053, 0.532520545, 0.0}; - light = core::clamp(core::round32(light*light_amount[ambient_occlusion]), 0, 255); + static const float light_amount[4] = {0.877424315, 0.729740053, 0.532520545, 0.0}; + light_day = rangelim(core::round32(light_day*light_amount[ambient_occlusion]), 0, 255); + light_night = rangelim(core::round32(light_night*light_amount[ambient_occlusion]), 0, 255); } - return light; -} - -/* - Calculate smooth lighting at the XYZ- corner of p. - Both light banks. -*/ -static u16 getSmoothLight(v3s16 p, MeshMakeData *data) -{ - u16 day = getSmoothLight(LIGHTBANK_DAY, p, data); - u16 night = getSmoothLight(LIGHTBANK_NIGHT, p, data); - return day | (night << 8); + return light_day | (light_night << 8); } /* @@ -307,13 +305,13 @@ static u16 getSmoothLight(v3s16 p, MeshMakeData *data) u16 getSmoothLight(v3s16 p, v3s16 corner, MeshMakeData *data) { if(corner.X == 1) p.X += 1; - else assert(corner.X == -1); + // else corner.X == -1 if(corner.Y == 1) p.Y += 1; - else assert(corner.Y == -1); + // else corner.Y == -1 if(corner.Z == 1) p.Z += 1; - else assert(corner.Z == -1); + // else corner.Z == -1 - return getSmoothLight(p, data); + return getSmoothLightCombined(p, data); } /* |