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-rw-r--r--src/map.cpp15
-rw-r--r--src/mapgen.cpp5
-rw-r--r--src/test.cpp54
-rw-r--r--src/voxelalgorithms.cpp41
-rw-r--r--src/voxelalgorithms.h6
5 files changed, 112 insertions, 9 deletions
diff --git a/src/map.cpp b/src/map.cpp
index dce3bdc09..1ab2b32ae 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -690,9 +690,11 @@ void Map::updateLighting(enum LightBank bank,
core::map<v3s16, bool> light_sources;
core::map<v3s16, u8> unlight_from;
+
+ int num_bottom_invalid = 0;
{
- //TimeTaker t("first stuff");
+ TimeTaker t("first stuff");
core::map<v3s16, MapBlock*>::Iterator i;
i = a_blocks.getIterator();
@@ -758,6 +760,9 @@ void Map::updateLighting(enum LightBank bank,
{
bool bottom_valid = block->propagateSunlight(light_sources);
+ if(!bottom_valid)
+ num_bottom_invalid++;
+
// If bottom is valid, we're done.
if(bottom_valid)
break;
@@ -792,6 +797,8 @@ void Map::updateLighting(enum LightBank bank,
}
}
+
+ infostream<<"num_bottom_invalid="<<num_bottom_invalid<<std::endl;
/*
Enable this to disable proper lighting for speeding up map
@@ -885,15 +892,15 @@ void Map::updateLighting(enum LightBank bank,
}
{
- TimeTaker timer("unSpreadLight");
+ //TimeTaker timer("unSpreadLight");
vmanip.unspreadLight(bank, unlight_from, light_sources, nodemgr);
}
{
- TimeTaker timer("spreadLight");
+ //TimeTaker timer("spreadLight");
vmanip.spreadLight(bank, light_sources, nodemgr);
}
{
- TimeTaker timer("blitBack");
+ //TimeTaker timer("blitBack");
vmanip.blitBack(modified_blocks);
}
/*infostream<<"emerge_time="<<emerge_time<<std::endl;
diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 6fecbb450..25fa427aa 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -26,6 +26,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "content_sao.h"
#include "nodedef.h"
#include "content_mapnode.h" // For content_mapnode_get_new_name
+#include "voxelalgorithms.h"
namespace mapgen
{
@@ -2335,6 +2336,10 @@ void make_block(BlockMakeData *data)
}
}
+ /*
+ Calculate lighting
+ */
+
}
BlockMakeData::BlockMakeData():
diff --git a/src/test.cpp b/src/test.cpp
index ecced33c3..cb01edffd 100644
--- a/src/test.cpp
+++ b/src/test.cpp
@@ -55,6 +55,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define CONTENT_STONE 0
#define CONTENT_GRASS 0x800
+#define CONTENT_TORCH 100
void define_some_nodes(IWritableItemDefManager *idef, IWritableNodeDefManager *ndef)
{
@@ -105,6 +106,22 @@ void define_some_nodes(IWritableItemDefManager *idef, IWritableNodeDefManager *n
f.is_ground_content = true;
idef->registerItem(itemdef);
ndef->set(i, f);
+
+ /*
+ Torch (minimal definition for lighting tests)
+ */
+ i = CONTENT_TORCH;
+ itemdef = ItemDefinition();
+ itemdef.type = ITEM_NODE;
+ itemdef.name = "default:torch";
+ f = ContentFeatures();
+ f.name = itemdef.name;
+ f.param_type = CPT_LIGHT;
+ f.light_propagates = true;
+ f.sunlight_propagates = true;
+ f.light_source = LIGHT_MAX-1;
+ idef->registerItem(itemdef);
+ ndef->set(i, f);
}
struct TestUtilities
@@ -488,6 +505,9 @@ struct TestVoxelAlgorithms
{
void Run(INodeDefManager *ndef)
{
+ /*
+ voxalgo::propagateSunlight
+ */
{
VoxelManipulator v;
for(u16 z=0; z<3; z++)
@@ -593,6 +613,40 @@ struct TestVoxelAlgorithms
assert(res.bottom_sunlight_valid == true);
}
}
+ /*
+ voxalgo::clearLightAndCollectSources
+ */
+ {
+ VoxelManipulator v;
+ for(u16 z=0; z<3; z++)
+ for(u16 y=0; y<3; y++)
+ for(u16 x=0; x<3; x++)
+ {
+ v3s16 p(x,y,z);
+ v.setNode(p, MapNode(CONTENT_AIR));
+ }
+ VoxelArea a(v3s16(0,0,0), v3s16(2,2,2));
+ v.setNodeNoRef(v3s16(0,0,0), MapNode(CONTENT_STONE));
+ v.setNodeNoRef(v3s16(1,1,1), MapNode(CONTENT_TORCH));
+ {
+ MapNode n(CONTENT_AIR);
+ n.setLight(LIGHTBANK_DAY, 1, ndef);
+ v.setNode(v3s16(1,1,2), n);
+ }
+ {
+ core::map<v3s16, bool> light_sources;
+ core::map<v3s16, u8> unlight_from;
+ voxalgo::clearLightAndCollectSources(v, a, LIGHTBANK_DAY,
+ ndef, light_sources, unlight_from);
+ //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY);
+ assert(v.getNode(v3s16(0,1,1)).getLight(LIGHTBANK_DAY, ndef)
+ == 0);
+ assert(light_sources.find(v3s16(1,1,1)) != NULL);
+ assert(light_sources.size() == 1);
+ assert(unlight_from.find(v3s16(1,1,2)) != NULL);
+ assert(unlight_from.size() == 1);
+ }
+ }
}
};
diff --git a/src/voxelalgorithms.cpp b/src/voxelalgorithms.cpp
index ae609e96a..ab6cbdfa2 100644
--- a/src/voxelalgorithms.cpp
+++ b/src/voxelalgorithms.cpp
@@ -37,6 +37,42 @@ void setLight(VoxelManipulator &v, VoxelArea a, u8 light,
}
}
+void clearLightAndCollectSources(VoxelManipulator &v, VoxelArea a,
+ enum LightBank bank, INodeDefManager *ndef,
+ core::map<v3s16, bool> & light_sources,
+ core::map<v3s16, u8> & unlight_from)
+{
+ // The full area we shall touch
+ VoxelArea required_a = a;
+ required_a.pad(v3s16(0,0,0));
+ // Make sure we have access to it
+ v.emerge(a);
+
+ for(s32 x=a.MinEdge.X; x<=a.MaxEdge.X; x++)
+ for(s32 z=a.MinEdge.Z; z<=a.MaxEdge.Z; z++)
+ for(s32 y=a.MinEdge.Y; y<=a.MaxEdge.Y; y++)
+ {
+ v3s16 p(x,y,z);
+ MapNode &n = v.getNodeRefUnsafe(p);
+ u8 oldlight = n.getLight(bank, ndef);
+ n.setLight(bank, 0, ndef);
+
+ // If node sources light, add to list
+ u8 source = ndef->get(n).light_source;
+ if(source != 0)
+ light_sources[p] = true;
+
+ // Collect borders for unlighting
+ if((x==a.MinEdge.X || x == a.MaxEdge.X
+ || y==a.MinEdge.Y || y == a.MaxEdge.Y
+ || z==a.MinEdge.Z || z == a.MaxEdge.Z)
+ && oldlight != 0)
+ {
+ unlight_from.insert(p, oldlight);
+ }
+ }
+}
+
SunlightPropagateResult propagateSunlight(VoxelManipulator &v, VoxelArea a,
bool inexistent_top_provides_sunlight,
core::map<v3s16, bool> & light_sources,
@@ -69,11 +105,6 @@ SunlightPropagateResult propagateSunlight(VoxelManipulator &v, VoxelArea a,
overtop_has_sunlight = (v.getNodeRefUnsafe(p_overtop).getLight(
LIGHTBANK_DAY, ndef) == LIGHT_SUN);
- dstream<<"inexistent_top_provides_sunlight="
- <<inexistent_top_provides_sunlight<<std::endl;
- dstream<<"v.exists(p_overtop)="
- <<v.exists(p_overtop)<<std::endl;
-
// Copy overtop's sunlight all over the place
u8 incoming_light = overtop_has_sunlight ? LIGHT_SUN : 0;
for(s32 y=max_y; y>=min_y; y--)
diff --git a/src/voxelalgorithms.h b/src/voxelalgorithms.h
index 3dea233dc..9c90e18a9 100644
--- a/src/voxelalgorithms.h
+++ b/src/voxelalgorithms.h
@@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define VOXELALGORITHMS_HEADER
#include "voxel.h"
+#include "mapnode.h"
namespace voxalgo
{
@@ -30,6 +31,11 @@ namespace voxalgo
void setLight(VoxelManipulator &v, VoxelArea a, u8 light,
INodeDefManager *ndef);
+void clearLightAndCollectSources(VoxelManipulator &v, VoxelArea a,
+ enum LightBank bank, INodeDefManager *ndef,
+ core::map<v3s16, bool> & light_sources,
+ core::map<v3s16, u8> & unlight_from);
+
struct SunlightPropagateResult
{
bool bottom_sunlight_valid;