X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmapgen.cpp;h=36d19bfa74f96f6f09fc0960ac7f9028d973ea10;hb=65c09a96f41705bb8e75fc5ff4276342be91ed11;hp=1843e953da70f1e3e878f4360fec5995f19d986a;hpb=ec796b8e814864b433aea75119c307f44b2b33e8;p=minetest.git

diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 1843e953d..36d19bfa7 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -29,7 +29,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "content_sao.h"
 #include "nodedef.h"
 #include "emerge.h"
-#include "content_mapnode.h" // For content_mapnode_get_new_name
 #include "voxelalgorithms.h"
 #include "porting.h"
 #include "profiler.h"
@@ -42,11 +41,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "log.h"
 
 FlagDesc flagdesc_mapgen[] = {
-	{"trees",    MG_TREES},
-	{"caves",    MG_CAVES},
-	{"dungeons", MG_DUNGEONS},
-	{"flat",     MG_FLAT},
-	{"light",    MG_LIGHT},
+	{"trees",       MG_TREES},
+	{"caves",       MG_CAVES},
+	{"dungeons",    MG_DUNGEONS},
+	{"flat",        MG_FLAT},
+	{"light",       MG_LIGHT},
+	{"decorations", MG_DECORATIONS},
 	{NULL,       0}
 };
 
@@ -62,8 +62,9 @@ FlagDesc flagdesc_gennotify[] = {
 };
 
 
-///////////////////////////////////////////////////////////////////////////////
-
+////
+//// Mapgen
+////
 
 Mapgen::Mapgen()
 {
@@ -161,6 +162,26 @@ s16 Mapgen::findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax)
 }
 
 
+// Returns -MAX_MAP_GENERATION_LIMIT if not found or if ground is found first
+s16 Mapgen::findLiquidSurface(v2s16 p2d, s16 ymin, s16 ymax)
+{
+	v3s16 em = vm->m_area.getExtent();
+	u32 i = vm->m_area.index(p2d.X, ymax, p2d.Y);
+	s16 y;
+
+	for (y = ymax; y >= ymin; y--) {
+		MapNode &n = vm->m_data[i];
+		if (ndef->get(n).walkable)
+			return -MAX_MAP_GENERATION_LIMIT;
+		else if (ndef->get(n).isLiquid())
+			break;
+
+		vm->m_area.add_y(em, i, -1);
+	}
+	return (y >= ymin) ? y : -MAX_MAP_GENERATION_LIMIT;
+}
+
+
 void Mapgen::updateHeightmap(v3s16 nmin, v3s16 nmax)
 {
 	if (!heightmap)
@@ -243,37 +264,20 @@ void Mapgen::lightSpread(VoxelArea &a, v3s16 p, u8 light)
 }
 
 
-void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax, v3s16 full_nmin, v3s16 full_nmax)
+void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax, v3s16 full_nmin, v3s16 full_nmax,
+	bool propagate_shadow)
 {
 	ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
 	//TimeTaker t("updateLighting");
 
-	propagateSunlight(nmin, nmax);
+	propagateSunlight(nmin, nmax, propagate_shadow);
 	spreadLight(full_nmin, full_nmax);
 
 	//printf("updateLighting: %dms\n", t.stop());
 }
 
 
-
-void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax)
-{
-	ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
-	//TimeTaker t("updateLighting");
-
-	propagateSunlight(
-		nmin - v3s16(1, 1, 1) * MAP_BLOCKSIZE,
-		nmax + v3s16(1, 0, 1) * MAP_BLOCKSIZE);
-
-	spreadLight(
-		nmin - v3s16(1, 1, 1) * MAP_BLOCKSIZE,
-		nmax + v3s16(1, 1, 1) * MAP_BLOCKSIZE);
-
-	//printf("updateLighting: %dms\n", t.stop());
-}
-
-
-void Mapgen::propagateSunlight(v3s16 nmin, v3s16 nmax)
+void Mapgen::propagateSunlight(v3s16 nmin, v3s16 nmax, bool propagate_shadow)
 {
 	//TimeTaker t("propagateSunlight");
 	VoxelArea a(nmin, nmax);
@@ -287,7 +291,8 @@ void Mapgen::propagateSunlight(v3s16 nmin, v3s16 nmax)
 			if (vm->m_data[i].getContent() == CONTENT_IGNORE) {
 				if (block_is_underground)
 					continue;
-			} else if ((vm->m_data[i].param1 & 0x0F) != LIGHT_SUN) {
+			} else if ((vm->m_data[i].param1 & 0x0F) != LIGHT_SUN &&
+					propagate_shadow) {
 				continue;
 			}
 			vm->m_area.add_y(em, i, -1);
@@ -305,7 +310,6 @@ void Mapgen::propagateSunlight(v3s16 nmin, v3s16 nmax)
 }
 
 
-
 void Mapgen::spreadLight(v3s16 nmin, v3s16 nmax)
 {
 	//TimeTaker t("spreadLight");
@@ -341,32 +345,9 @@ void Mapgen::spreadLight(v3s16 nmin, v3s16 nmax)
 }
 
 
-
-void Mapgen::calcLightingOld(v3s16 nmin, v3s16 nmax)
-{
-	enum LightBank banks[2] = {LIGHTBANK_DAY, LIGHTBANK_NIGHT};
-	VoxelArea a(nmin, nmax);
-	bool block_is_underground = (water_level > nmax.Y);
-	bool sunlight = !block_is_underground;
-
-	ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
-
-	for (int i = 0; i < 2; i++) {
-		enum LightBank bank = banks[i];
-		std::set<v3s16> light_sources;
-		std::map<v3s16, u8> unlight_from;
-
-		voxalgo::clearLightAndCollectSources(*vm, a, bank, ndef,
-			light_sources, unlight_from);
-		voxalgo::propagateSunlight(*vm, a, sunlight, light_sources, ndef);
-
-		vm->unspreadLight(bank, unlight_from, light_sources, ndef);
-		vm->spreadLight(bank, light_sources, ndef);
-	}
-}
-
-
-///////////////////////////////////////////////////////////////////////////////
+////
+//// GenerateNotifier
+////
 
 GenerateNotifier::GenerateNotifier()
 {
@@ -432,7 +413,10 @@ void GenerateNotifier::getEvents(
 		m_notify_events.clear();
 }
 
-///////////////////////////////////////////////////////////////////////////////
+
+////
+//// MapgenParams
+////
 
 void MapgenParams::load(const Settings &settings)
 {
@@ -454,9 +438,11 @@ void MapgenParams::load(const Settings &settings)
 	settings.getNoiseParams("mg_biome_np_humidity_blend", np_biome_humidity_blend);
 
 	delete sparams;
-	sparams = EmergeManager::createMapgenParams(mg_name);
-	if (sparams)
+	MapgenFactory *mgfactory = EmergeManager::getMapgenFactory(mg_name);
+	if (mgfactory) {
+		sparams = mgfactory->createMapgenParams();
 		sparams->readParams(&settings);
+	}
 }
 
 
@@ -466,7 +452,7 @@ void MapgenParams::save(Settings &settings) const
 	settings.setU64("seed", seed);
 	settings.setS16("water_level", water_level);
 	settings.setS16("chunksize", chunksize);
-	settings.setFlagStr("mg_flags", flags, flagdesc_mapgen, (u32)-1);
+	settings.setFlagStr("mg_flags", flags, flagdesc_mapgen, U32_MAX);
 	settings.setNoiseParams("mg_biome_np_heat", np_biome_heat);
 	settings.setNoiseParams("mg_biome_np_heat_blend", np_biome_heat_blend);
 	settings.setNoiseParams("mg_biome_np_humidity", np_biome_humidity);