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-rw-r--r--src/mapblock_mesh.cpp106
-rw-r--r--src/nodedef.cpp65
-rw-r--r--src/tile.cpp22
-rw-r--r--src/tile.h21
4 files changed, 114 insertions, 100 deletions
diff --git a/src/mapblock_mesh.cpp b/src/mapblock_mesh.cpp
index 080131a6f..b29d07319 100644
--- a/src/mapblock_mesh.cpp
+++ b/src/mapblock_mesh.cpp
@@ -32,14 +32,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "settings.h"
#include "util/directiontables.h"
-void applyContrast(video::SColor& color, float Factor)
+static void applyContrast(video::SColor& color, float factor)
{
- float r = color.getRed();
- float g = color.getGreen();
- float b = color.getBlue();
- color.setRed(irr::core::clamp((int)sqrt(r * r * Factor), 0, 255));
- color.setGreen(irr::core::clamp((int)sqrt(g * g * Factor), 0, 255));
- color.setBlue(irr::core::clamp((int)sqrt(b * b * Factor), 0, 255));
+ color.setRed(core::clamp(core::round32(color.getRed()*factor), 0, 255));
+ color.setGreen(core::clamp(core::round32(color.getGreen()*factor), 0, 255));
+ color.setBlue(core::clamp(core::round32(color.getBlue()*factor), 0, 255));
}
/*
@@ -1099,8 +1096,6 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
IShaderSource *shdrsrc = m_gamedef->getShaderSource();
bool enable_shaders = g_settings->getBool("enable_shaders");
- bool enable_bumpmapping = g_settings->getBool("enable_bumpmapping");
- bool enable_parallax_occlusion = g_settings->getBool("enable_parallax_occlusion");
for(u32 i = 0; i < collector.prebuffers.size(); i++)
{
@@ -1141,33 +1136,31 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
m_animation_frame_offsets[i] = 0;
}
// Replace tile texture with the first animation frame
- std::ostringstream os(std::ios::binary);
- os<<tsrc->getTextureName(p.tile.texture_id);
- os<<"^[verticalframe:"<<(int)p.tile.animation_frame_count<<":0";
- p.tile.texture = tsrc->getTexture(
- os.str(),
- &p.tile.texture_id);
+ FrameSpec animation_frame = p.tile.frames.find(0)->second;
+ p.tile.texture = animation_frame.texture;
}
for(u32 j = 0; j < p.vertices.size(); j++)
{
+ // Note applyContrast second parameter is precalculated sqrt from original
+ // values for speed improvement
video::SColor &vc = p.vertices[j].Color;
if(p.vertices[j].Normal.Y > 0.5) {
- applyContrast (vc, 1.2);
+ applyContrast (vc, 1.095445);
} else if (p.vertices[j].Normal.Y < -0.5) {
- applyContrast (vc, 0.3);
+ applyContrast (vc, 0.547723);
} else if (p.vertices[j].Normal.X > 0.5) {
- applyContrast (vc, 0.5);
+ applyContrast (vc, 0.707107);
} else if (p.vertices[j].Normal.X < -0.5) {
- applyContrast (vc, 0.5);
+ applyContrast (vc, 0.707107);
} else if (p.vertices[j].Normal.Z > 0.5) {
- applyContrast (vc, 0.8);
+ applyContrast (vc, 0.894427);
} else if (p.vertices[j].Normal.Z < -0.5) {
- applyContrast (vc, 0.8);
+ applyContrast (vc, 0.894427);
}
if(!enable_shaders)
{
- // - Classic lighting (shaders handle this by themselves)
+ // - Classic lighting (shaders handle this by themselves)
// Set initial real color and store for later updates
u8 day = vc.getRed();
u8 night = vc.getGreen();
@@ -1191,34 +1184,17 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
if (enable_shaders) {
material.MaterialType = shdrsrc->getShaderInfo(p.tile.shader_id).material;
p.tile.applyMaterialOptionsWithShaders(material);
- material.setTexture(2, tsrc->getTexture("disable_img.png"));
- if (enable_bumpmapping || enable_parallax_occlusion) {
- if (tsrc->isKnownSourceImage("override_normal.png")){
- material.setTexture(1, tsrc->getTexture("override_normal.png"));
- material.setTexture(2, tsrc->getTexture("enable_img.png"));
- } else {
- std::string fname_base = tsrc->getTextureName(p.tile.texture_id);
- std::string normal_ext = "_normal.png";
- size_t pos = fname_base.find(".");
- std::string fname_normal = fname_base.substr(0, pos) + normal_ext;
-
- if (tsrc->isKnownSourceImage(fname_normal)) {
- // look for image extension and replace it
- size_t i = 0;
- while ((i = fname_base.find(".", i)) != std::string::npos) {
- fname_base.replace(i, 4, normal_ext);
- i += normal_ext.length();
- }
- material.setTexture(1, tsrc->getTexture(fname_base));
- material.setTexture(2, tsrc->getTexture("enable_img.png"));
- }
- }
+ if (p.tile.normal_texture) {
+ material.setTexture(1, p.tile.normal_texture);
+ material.setTexture(2, tsrc->getTexture("enable_img.png"));
+ } else {
+ material.setTexture(2, tsrc->getTexture("disable_img.png"));
}
} else {
p.tile.applyMaterialOptions(material);
}
- // Create meshbuffer
+ // Create meshbuffer
// This is a "Standard MeshBuffer",
// it's a typedeffed CMeshBuffer<video::S3DVertex>
scene::SMeshBuffer *buf = new scene::SMeshBuffer();
@@ -1278,8 +1254,6 @@ MapBlockMesh::~MapBlockMesh()
bool MapBlockMesh::animate(bool faraway, float time, int crack, u32 daynight_ratio)
{
bool enable_shaders = g_settings->getBool("enable_shaders");
- bool enable_bumpmapping = g_settings->getBool("enable_bumpmapping");
- bool enable_parallax_occlusion = g_settings->getBool("enable_parallax_occlusion");
if(!m_has_animation)
{
@@ -1342,35 +1316,15 @@ bool MapBlockMesh::animate(bool faraway, float time, int crack, u32 daynight_rat
scene::IMeshBuffer *buf = m_mesh->getMeshBuffer(i->first);
ITextureSource *tsrc = m_gamedef->getTextureSource();
- IShaderSource *shdrsrc = m_gamedef->getShaderSource();
-
- // Create new texture name from original
- std::ostringstream os(std::ios::binary);
- os<<tsrc->getTextureName(tile.texture_id);
- os<<"^[verticalframe:"<<(int)tile.animation_frame_count<<":"<<frame;
- // Set the texture
- buf->getMaterial().setTexture(0, tsrc->getTexture(os.str()));
- if (enable_shaders){
- buf->getMaterial().setTexture(2, tsrc->getTexture("disable_img.png"));
- buf->getMaterial().MaterialType = shdrsrc->getShaderInfo(tile.shader_id).material;
- if (enable_bumpmapping || enable_parallax_occlusion){
- if (tsrc->isKnownSourceImage("override_normal.png")){
- buf->getMaterial().setTexture(1, tsrc->getTexture("override_normal.png"));
- buf->getMaterial().setTexture(2, tsrc->getTexture("enable_img.png"));
- } else {
- std::string fname_base,fname_normal;
- fname_base = tsrc->getTextureName(tile.texture_id);
- unsigned pos;
- pos = fname_base.find(".");
- fname_normal = fname_base.substr (0, pos);
- fname_normal += "_normal.png";
- if (tsrc->isKnownSourceImage(fname_normal)){
- os.str("");
- os<<fname_normal<<"^[verticalframe:"<<(int)tile.animation_frame_count<<":"<<frame;
- buf->getMaterial().setTexture(1, tsrc->getTexture(os.str()));
- buf->getMaterial().setTexture(2, tsrc->getTexture("enable_img.png"));
- }
- }
+
+ FrameSpec animation_frame = tile.frames.find(frame)->second;
+ buf->getMaterial().setTexture(0, animation_frame.texture);
+ if (enable_shaders) {
+ if (animation_frame.normal_texture) {
+ buf->getMaterial().setTexture(1, animation_frame.normal_texture);
+ buf->getMaterial().setTexture(2, tsrc->getTexture("enable_img.png"));
+ } else {
+ buf->getMaterial().setTexture(2, tsrc->getTexture("disable_img.png"));
}
}
}
diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index f62c9e82c..e972ab927 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -607,6 +607,9 @@ public:
bool new_style_water = g_settings->getBool("new_style_water");
bool new_style_leaves = g_settings->getBool("new_style_leaves");
bool opaque_water = g_settings->getBool("opaque_water");
+ bool enable_shaders = g_settings->getBool("enable_shaders");
+ bool enable_bumpmapping = g_settings->getBool("enable_bumpmapping");
+ bool enable_parallax_occlusion = g_settings->getBool("enable_parallax_occlusion");
for(u32 i=0; i<m_content_features.size(); i++)
{
@@ -716,6 +719,9 @@ public:
f->tiles[j].texture = tsrc->getTexture(
tiledef[j].name,
&f->tiles[j].texture_id);
+ // Normal texture
+ if (enable_shaders && (enable_bumpmapping || enable_parallax_occlusion))
+ f->tiles[j].normal_texture = tsrc->getNormalTexture(tiledef[j].name);
// Alpha
f->tiles[j].alpha = f->alpha;
// Material type
@@ -727,28 +733,32 @@ public:
if(tiledef[j].animation.type == TAT_VERTICAL_FRAMES)
f->tiles[j].material_flags |= MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
// Animation parameters
- if(f->tiles[j].material_flags &
- MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
- {
+ int frame_count = 1;
+ if(f->tiles[j].material_flags & MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES) {
// Get texture size to determine frame count by
// aspect ratio
v2u32 size = f->tiles[j].texture->getOriginalSize();
int frame_height = (float)size.X /
(float)tiledef[j].animation.aspect_w *
(float)tiledef[j].animation.aspect_h;
- int frame_count = size.Y / frame_height;
+ frame_count = size.Y / frame_height;
int frame_length_ms = 1000.0 *
tiledef[j].animation.length / frame_count;
f->tiles[j].animation_frame_count = frame_count;
f->tiles[j].animation_frame_length_ms = frame_length_ms;
-
- // If there are no frames for an animation, switch
- // animation off (so that having specified an animation
- // for something but not using it in the texture pack
- // gives no overhead)
- if(frame_count == 1){
- f->tiles[j].material_flags &=
- ~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
+ }
+ if(frame_count == 1) {
+ f->tiles[j].material_flags &= ~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
+ } else {
+ std::ostringstream os(std::ios::binary);
+ for (int i = 0; i < frame_count; i++) {
+ FrameSpec frame;
+ os.str("");
+ os<<tiledef[j].name<<"^[verticalframe:"<<frame_count<<":"<<i;
+ frame.texture = tsrc->getTexture(os.str(), &frame.texture_id);
+ if (f->tiles[j].normal_texture)
+ frame.normal_texture = tsrc->getNormalTexture(os.str());
+ f->tiles[j].frames[i]=frame;
}
}
}
@@ -760,6 +770,9 @@ public:
f->special_tiles[j].texture = tsrc->getTexture(
f->tiledef_special[j].name,
&f->special_tiles[j].texture_id);
+ // Normal texture
+ if (enable_shaders && (enable_bumpmapping || enable_parallax_occlusion))
+ f->special_tiles[j].normal_texture = tsrc->getNormalTexture(f->tiledef_special[j].name);
// Alpha
f->special_tiles[j].alpha = f->alpha;
// Material type
@@ -771,28 +784,32 @@ public:
if(f->tiledef_special[j].animation.type == TAT_VERTICAL_FRAMES)
f->special_tiles[j].material_flags |= MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
// Animation parameters
- if(f->special_tiles[j].material_flags &
- MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
- {
+ int frame_count = 1;
+ if(f->special_tiles[j].material_flags & MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES) {
// Get texture size to determine frame count by
// aspect ratio
v2u32 size = f->special_tiles[j].texture->getOriginalSize();
int frame_height = (float)size.X /
(float)f->tiledef_special[j].animation.aspect_w *
(float)f->tiledef_special[j].animation.aspect_h;
- int frame_count = size.Y / frame_height;
+ frame_count = size.Y / frame_height;
int frame_length_ms = 1000.0 *
f->tiledef_special[j].animation.length / frame_count;
f->special_tiles[j].animation_frame_count = frame_count;
f->special_tiles[j].animation_frame_length_ms = frame_length_ms;
-
- // If there are no frames for an animation, switch
- // animation off (so that having specified an animation
- // for something but not using it in the texture pack
- // gives no overhead)
- if(frame_count == 1){
- f->special_tiles[j].material_flags &=
- ~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
+ }
+ if(frame_count == 1) {
+ f->special_tiles[j].material_flags &= ~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
+ } else {
+ std::ostringstream os(std::ios::binary);
+ for (int i = 0; i < frame_count; i++) {
+ FrameSpec frame;
+ os.str("");
+ os<<f->tiledef_special[j].name<<"^[verticalframe:"<<frame_count<<":"<<i;
+ frame.texture = tsrc->getTexture(os.str(), &frame.texture_id);
+ if (f->special_tiles[j].normal_texture)
+ frame.normal_texture = tsrc->getNormalTexture(os.str());
+ f->special_tiles[j].frames[i]=frame;
}
}
}
diff --git a/src/tile.cpp b/src/tile.cpp
index 17ec51614..7cb39eabf 100644
--- a/src/tile.cpp
+++ b/src/tile.cpp
@@ -389,6 +389,7 @@ public:
// Shall be called from the main thread.
bool generateImage(std::string part_of_name, video::IImage *& baseimg);
+ video::ITexture* getNormalTexture(const std::string &name);
private:
// The id of the thread that is allowed to use irrlicht directly
@@ -1872,3 +1873,24 @@ void imageTransform(u32 transform, video::IImage *src, video::IImage *dst)
dst->setPixel(dx,dy,c);
}
}
+
+video::ITexture* TextureSource::getNormalTexture(const std::string &name)
+{
+ u32 id;
+ if (isKnownSourceImage("override_normal.png"))
+ return getTexture("override_normal.png", &id);
+ std::string fname_base = name;
+ std::string normal_ext = "_normal.png";
+ size_t pos = fname_base.find(".");
+ std::string fname_normal = fname_base.substr(0, pos) + normal_ext;
+ if (isKnownSourceImage(fname_normal)) {
+ // look for image extension and replace it
+ size_t i = 0;
+ while ((i = fname_base.find(".", i)) != std::string::npos) {
+ fname_base.replace(i, 4, normal_ext);
+ i += normal_ext.length();
+ }
+ return getTexture(fname_base, &id);
+ }
+ return NULL;
+}
diff --git a/src/tile.h b/src/tile.h
index 29c6b69f2..f3250669e 100644
--- a/src/tile.h
+++ b/src/tile.h
@@ -27,6 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <IrrlichtDevice.h>
#include "threads.h"
#include <string>
+#include <map>
class IGameDef;
@@ -106,6 +107,7 @@ public:
virtual bool isKnownSourceImage(const std::string &name)=0;
virtual video::ITexture* generateTextureFromMesh(
const TextureFromMeshParams &params)=0;
+ virtual video::ITexture* getNormalTexture(const std::string &name)=0;
};
class IWritableTextureSource : public ITextureSource
@@ -127,6 +129,7 @@ public:
virtual void processQueue()=0;
virtual void insertSourceImage(const std::string &name, video::IImage *img)=0;
virtual void rebuildImagesAndTextures()=0;
+ virtual video::ITexture* getNormalTexture(const std::string &name)=0;
};
IWritableTextureSource* createTextureSource(IrrlichtDevice *device);
@@ -175,11 +178,25 @@ enum MaterialType{
This fully defines the looks of a tile.
The SMaterial of a tile is constructed according to this.
*/
+struct FrameSpec
+{
+ FrameSpec():
+ texture_id(0),
+ texture(NULL),
+ normal_texture(NULL)
+ {
+ }
+ u32 texture_id;
+ video::ITexture *texture;
+ video::ITexture *normal_texture;
+};
+
struct TileSpec
{
TileSpec():
texture_id(0),
texture(NULL),
+ normal_texture(NULL),
alpha(255),
material_type(TILE_MATERIAL_BASIC),
material_flags(
@@ -243,6 +260,8 @@ struct TileSpec
u32 texture_id;
video::ITexture *texture;
+ video::ITexture *normal_texture;
+
// Vertex alpha (when MATERIAL_ALPHA_VERTEX is used)
u8 alpha;
// Material parameters
@@ -252,6 +271,8 @@ struct TileSpec
// Animation parameters
u8 animation_frame_count;
u16 animation_frame_length_ms;
+ std::map<u32, FrameSpec> frames;
+
u8 rotation;
};
> 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458
/*
Minetest-c55
Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include "inventory.h"
#include "serialization.h"
#include "utility.h"
#include "debug.h"
#include <sstream>
#include "main.h" // For tsrc, g_toolmanager
#include "serverobject.h"
#include "content_mapnode.h"
#include "content_sao.h"
#include "environment.h"
#include "mapblock.h"
#include "player.h"
#include "log.h"
#include "nodedef.h"
#include "tooldef.h"
#include "craftitemdef.h"
#include "gamedef.h"
#include "scriptapi.h"
#include "strfnd.h"

/*
	InventoryItem
*/

InventoryItem::InventoryItem(IGameDef *gamedef, u16 count):
	m_gamedef(gamedef),
	m_count(count)
{
	assert(m_gamedef);
}

InventoryItem::~InventoryItem()
{
}

content_t content_translate_from_19_to_internal(content_t c_from)
{
	for(u32 i=0; i<sizeof(trans_table_19)/sizeof(trans_table_19[0]); i++)
	{
		if(trans_table_19[i][1] == c_from)
		{
			return trans_table_19[i][0];
		}
	}
	return c_from;
}

InventoryItem* InventoryItem::deSerialize(std::istream &is, IGameDef *gamedef)
{
	DSTACK(__FUNCTION_NAME);

	//is.imbue(std::locale("C"));
	// Read name
	std::string name;
	std::getline(is, name, ' ');
	
	if(name == "MaterialItem")
	{
		// u16 reads directly as a number (u8 doesn't)
		u16 material;
		is>>material;
		u16 count;
		is>>count;
		// Convert old materials
		if(material <= 0xff)
			material = content_translate_from_19_to_internal(material);
		if(material > MAX_CONTENT)
			throw SerializationError("Too large material number");
		return new MaterialItem(gamedef, material, count);
	}
	else if(name == "MaterialItem2")
	{
		u16 material;
		is>>material;
		u16 count;
		is>>count;
		if(material > MAX_CONTENT)
			throw SerializationError("Too large material number");
		return new MaterialItem(gamedef, material, count);
	}
	else if(name == "NodeItem" || name == "MaterialItem3")
	{
		std::string all;
		std::getline(is, all, '\n');
		std::string nodename;
		// First attempt to read inside ""
		Strfnd fnd(all);
		fnd.next("\"");
		// If didn't skip to end, we have ""s
		if(!fnd.atend()){
			nodename = fnd.next("\"");
		} else { // No luck, just read a word then
			fnd.start(all);
			nodename = fnd.next(" ");
		}
		fnd.skip_over(" ");
		u16 count = stoi(trim(fnd.next("")));
		return new MaterialItem(gamedef, nodename, count);
	}
	else if(name == "MBOItem")
	{
		std::string inventorystring;
		std::getline(is, inventorystring, '|');
		throw SerializationError("MBOItem not supported anymore");
	}
	else if(name == "CraftItem")
	{
		std::string all;
		std::getline(is, all, '\n');
		std::string subname;
		// First attempt to read inside ""
		Strfnd fnd(all);
		fnd.next("\"");
		// If didn't skip to end, we have ""s
		if(!fnd.atend()){
			subname = fnd.next("\"");
		} else { // No luck, just read a word then
			fnd.start(all);
			subname = fnd.next(" ");
		}
		// Then read count
		fnd.skip_over(" ");
		u16 count = stoi(trim(fnd.next("")));
		return new CraftItem(gamedef, subname, count);
	}
	else if(name == "ToolItem")
	{
		std::string all;
		std::getline(is, all, '\n');
		std::string toolname;
		// First attempt to read inside ""
		Strfnd fnd(all);
		fnd.next("\"");
		// If didn't skip to end, we have ""s
		if(!fnd.atend()){
			toolname = fnd.next("\"");
		} else { // No luck, just read a word then
			fnd.start(all);
			toolname = fnd.next(" ");
		}
		// Then read wear
		fnd.skip_over(" ");
		u16 wear = stoi(trim(fnd.next("")));
		return new ToolItem(gamedef, toolname, wear);
	}
	else
	{
		infostream<<"Unknown InventoryItem name=\""<<name<<"\""<<std::endl;
		throw SerializationError("Unknown InventoryItem name");
	}
}

InventoryItem* InventoryItem::deSerialize(const std::string &str,
		IGameDef *gamedef)
{
	std::istringstream is(str, std::ios_base::binary);
	return deSerialize(is, gamedef);
}

std::string InventoryItem::getItemString() {
	// Get item string
	std::ostringstream os(std::ios_base::binary);
	serialize(os);
	return os.str();
}

bool InventoryItem::dropOrPlace(ServerEnvironment *env,
		ServerActiveObject *dropper,
		v3f pos, bool place, s16 count)
{
	/*
		Ensure that the block is loaded so that the item
		can properly be added to the static list too
	*/
	v3s16 blockpos = getNodeBlockPos(floatToInt(pos, BS));
	MapBlock *block = env->getMap().emergeBlock(blockpos, false);
	if(block==NULL)
	{
		infostream<<"InventoryItem::dropOrPlace(): FAIL: block not found: "
				<<blockpos.X<<","<<blockpos.Y<<","<<blockpos.Z
				<<std::endl;
		return false;
	}

	/*
		Take specified number of items,
		but limit to getDropCount().
	*/
	s16 dropcount = getDropCount();
	if(count < 0 || count > dropcount)
		count = dropcount;
	if(count < 0 || count > getCount());
		count = getCount();
	if(count > 0)
	{
		/*
			Create an ItemSAO
		*/
		pos.Y -= BS*0.25; // let it drop a bit
		// Randomize a bit
		//pos.X += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
		//pos.Z += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
		// Create object
		ServerActiveObject *obj = new ItemSAO(env, pos, getItemString());
		// Add the object to the environment
		env->addActiveObject(obj);
		infostream<<"Dropped item"<<std::endl;

		setCount(getCount() - count);
	}

	return getCount() < 1; // delete the item?
}

/*
	MaterialItem
*/

MaterialItem::MaterialItem(IGameDef *gamedef, std::string nodename, u16 count):
	InventoryItem(gamedef, count)
{
	if(nodename == "")
		nodename = "unknown_block";
	m_nodename = nodename;
}
// Legacy constructor
MaterialItem::MaterialItem(IGameDef *gamedef, content_t content, u16 count):
	InventoryItem(gamedef, count)
{
	INodeDefManager *ndef = m_gamedef->ndef();
	std::string nodename = ndef->get(content).name;
	if(nodename == "")
		nodename = "unknown_block";
	m_nodename = nodename;
}

#ifndef SERVER
video::ITexture * MaterialItem::getImage() const
{
	return m_gamedef->getNodeDefManager()->get(m_nodename).inventory_texture;
}
#endif

bool MaterialItem::isCookable() const
{
	INodeDefManager *ndef = m_gamedef->ndef();
	const ContentFeatures &f = ndef->get(m_nodename);
	return (f.cookresult_item != "");
}

InventoryItem *MaterialItem::createCookResult() const
{
	INodeDefManager *ndef = m_gamedef->ndef();
	const ContentFeatures &f = ndef->get(m_nodename);
	std::istringstream is(f.cookresult_item, std::ios::binary);
	return InventoryItem::deSerialize(is, m_gamedef);
}

float MaterialItem::getCookTime() const
{
	INodeDefManager *ndef = m_gamedef->ndef();
	const ContentFeatures &f = ndef->get(m_nodename);
	return f.furnace_cooktime;
}

float MaterialItem::getBurnTime() const
{
	INodeDefManager *ndef = m_gamedef->ndef();
	const ContentFeatures &f = ndef->get(m_nodename);
	return f.furnace_burntime;
}

content_t MaterialItem::getMaterial() const
{
	INodeDefManager *ndef = m_gamedef->ndef();
	content_t id = CONTENT_IGNORE;
	ndef->getId(m_nodename, id);
	return id;
}

/*
	ToolItem
*/

std::string ToolItem::getImageBasename() const
{
	return m_gamedef->getToolDefManager()->getImagename(m_toolname);
}

#ifndef SERVER
video::ITexture * ToolItem::getImage() const
{
	ITextureSource *tsrc = m_gamedef->tsrc();

	std::string basename = getImageBasename();
	
	/*
		Calculate a progress value with sane amount of
		maximum states
	*/
	u32 maxprogress = 30;
	u32 toolprogress = (65535-m_wear)/(65535/maxprogress);
	
	float value_f = (float)toolprogress / (float)maxprogress;
	std::ostringstream os;
	os<<basename<<"^[progressbar"<<value_f;

	return tsrc->getTextureRaw(os.str());
}

video::ITexture * ToolItem::getImageRaw() const
{
	ITextureSource *tsrc = m_gamedef->tsrc();
	
	return tsrc->getTextureRaw(getImageBasename());
}
#endif

/*
	CraftItem
*/

#ifndef SERVER
video::ITexture * CraftItem::getImage() const
{
	ICraftItemDefManager *cidef = m_gamedef->cidef();
	ITextureSource *tsrc = m_gamedef->tsrc();
	std::string imagename = cidef->getImagename(m_subname);
	return tsrc->getTextureRaw(imagename);
}
#endif

u16 CraftItem::getStackMax() const
{
	ICraftItemDefManager *cidef = m_gamedef->cidef();
	const CraftItemDefinition *def = cidef->getCraftItemDefinition(m_subname);
	if(def == NULL)
		return InventoryItem::getStackMax();
	return def->stack_max;
}

bool CraftItem::isUsable() const
{
	ICraftItemDefManager *cidef = m_gamedef->cidef();
	const CraftItemDefinition *def = cidef->getCraftItemDefinition(m_subname);
	return def != NULL && def->usable;
}

bool CraftItem::isCookable() const
{
	ICraftItemDefManager *cidef = m_gamedef->cidef();
	const CraftItemDefinition *def = cidef->getCraftItemDefinition(m_subname);
	return def != NULL && def->cookresult_item != "";
}

InventoryItem *CraftItem::createCookResult() const
{
	ICraftItemDefManager *cidef = m_gamedef->cidef();
	const CraftItemDefinition *def = cidef->getCraftItemDefinition(m_subname);
	if(def == NULL)
		return InventoryItem::createCookResult();
	std::istringstream is(def->cookresult_item, std::ios::binary);
	return InventoryItem::deSerialize(is, m_gamedef);
}

float CraftItem::getCookTime() const
{
	ICraftItemDefManager *cidef = m_gamedef->cidef();
	const CraftItemDefinition *def = cidef->getCraftItemDefinition(m_subname);
	if (def == NULL)
		return InventoryItem::getCookTime();
	return def->furnace_cooktime;
}

float CraftItem::getBurnTime() const
{
	ICraftItemDefManager *cidef = m_gamedef->cidef();
	const CraftItemDefinition *def = cidef->getCraftItemDefinition(m_subname);
	if (def == NULL)
		return InventoryItem::getBurnTime();
	return def->furnace_burntime;
}

s16 CraftItem::getDropCount() const
{
	// Special cases
	ICraftItemDefManager *cidef = m_gamedef->cidef();
	const CraftItemDefinition *def = cidef->getCraftItemDefinition(m_subname);
	if(def != NULL && def->dropcount >= 0)
		return def->dropcount;
	// Default
	return InventoryItem::getDropCount();
}

bool CraftItem::areLiquidsPointable() const
{
	ICraftItemDefManager *cidef = m_gamedef->cidef();
	const CraftItemDefinition *def = cidef->getCraftItemDefinition(m_subname);
	return def != NULL && def->liquids_pointable;
}

bool CraftItem::dropOrPlace(ServerEnvironment *env,
		ServerActiveObject *dropper,
		v3f pos, bool place, s16 count)
{
	if(count == 0)
		return false;

	bool callback_exists = false;
	bool result = false;

	if(place)
	{
		result = scriptapi_craftitem_on_place_on_ground(
				env->getLua(),
				m_subname.c_str(), dropper, pos,
				callback_exists);
	}

	// note: on_drop is fallback for on_place_on_ground

	if(!callback_exists)
	{
		result = scriptapi_craftitem_on_drop(
				env->getLua(),
				m_subname.c_str(), dropper, pos,
				callback_exists);
	}

	if(callback_exists)
	{
		// If the callback returned true, drop one item
		if(result)
			setCount(getCount() - 1);
		return getCount() < 1;
	}
	else
	{
		// If neither on_place_on_ground (if place==true)
		// nor on_drop exists, call the base implementation
		return InventoryItem::dropOrPlace(env, dropper, pos, place, count);
	}
}

bool CraftItem::use(ServerEnvironment *env,
		ServerActiveObject *user,
		const PointedThing& pointed)
{
	bool callback_exists = false;
	bool result = false;

	result = scriptapi_craftitem_on_use(
			env->getLua(),
			m_subname.c_str(), user, pointed,
			callback_exists);

	if(callback_exists)
	{
		// If the callback returned true, drop one item
		if(result)
			setCount(getCount() - 1);
		return getCount() < 1;
	}
	else
	{
		// If neither on_place_on_ground (if place==true)
		// nor on_drop exists, call the base implementation
		return InventoryItem::use(env, user, pointed);
	}
}

/*
	Inventory
*/

InventoryList::InventoryList(std::string name, u32 size)
{
	m_name = name;
	m_size = size;
	clearItems();
	//m_dirty = false;
}

InventoryList::~InventoryList()
{
	for(u32 i=0; i<m_items.size(); i++)
	{
		if(m_items[i])
			delete m_items[i];
	}
}

void InventoryList::clearItems()
{
	for(u32 i=0; i<m_items.size(); i++)
	{
		if(m_items[i])
			delete m_items[i];
	}

	m_items.clear();

	for(u32 i=0; i<m_size; i++)
	{
		m_items.push_back(NULL);
	}

	//setDirty(true);
}

void InventoryList::serialize(std::ostream &os) const
{
	//os.imbue(std::locale("C"));
	
	for(u32 i=0; i<m_items.size(); i++)
	{
		InventoryItem *item = m_items[i];
		if(item != NULL)
		{
			os<<"Item ";
			item->serialize(os);
		}
		else
		{
			os<<"Empty";
		}
		os<<"\n";
	}

	os<<"EndInventoryList\n";
}

void InventoryList::deSerialize(std::istream &is, IGameDef *gamedef)
{
	//is.imbue(std::locale("C"));

	clearItems();
	u32 item_i = 0;

	for(;;)
	{
		std::string line;
		std::getline(is, line, '\n');

		std::istringstream iss(line);
		//iss.imbue(std::locale("C"));

		std::string name;
		std::getline(iss, name, ' ');

		if(name == "EndInventoryList")
		{
			break;
		}
		// This is a temporary backwards compatibility fix
		else if(name == "end")
		{
			break;
		}
		else if(name == "Item")
		{
			if(item_i > getSize() - 1)
				throw SerializationError("too many items");
			InventoryItem *item = InventoryItem::deSerialize(iss, gamedef);
			m_items[item_i++] = item;
		}
		else if(name == "Empty")
		{
			if(item_i > getSize() - 1)
				throw SerializationError("too many items");
			m_items[item_i++] = NULL;
		}
		else
		{
			throw SerializationError("Unknown inventory identifier");
		}
	}
}

InventoryList::InventoryList(const InventoryList &other)
{
	/*
		Do this so that the items get cloned. Otherwise the pointers
		in the array will just get copied.
	*/
	*this = other;
}

InventoryList & InventoryList::operator = (const InventoryList &other)
{
	m_name = other.m_name;
	m_size = other.m_size;
	clearItems();
	for(u32 i=0; i<other.m_items.size(); i++)
	{
		InventoryItem *item = other.m_items[i];
		if(item != NULL)
		{
			m_items[i] = item->clone();
		}
	}
	//setDirty(true);

	return *this;
}

const std::string &InventoryList::getName() const
{
	return m_name;
}

u32 InventoryList::getSize()
{
	return m_items.size();
}

u32 InventoryList::getUsedSlots()
{
	u32 num = 0;
	for(u32 i=0; i<m_items.size(); i++)
	{
		InventoryItem *item = m_items[i];
		if(item != NULL)
			num++;
	}
	return num;
}

u32 InventoryList::getFreeSlots()
{
	return getSize() - getUsedSlots();
}

const InventoryItem * InventoryList::getItem(u32 i) const
{
	if(i >= m_items.size())
		return NULL;
	return m_items[i];
}

InventoryItem * InventoryList::getItem(u32 i)
{
	if(i >= m_items.size())
		return NULL;
	return m_items[i];
}

InventoryItem * InventoryList::changeItem(u32 i, InventoryItem *newitem)
{
	if(i >= m_items.size())
		return newitem;

	InventoryItem *olditem = m_items[i];
	m_items[i] = newitem;
	//setDirty(true);
	return olditem;
}

void InventoryList::deleteItem(u32 i)
{
	assert(i < m_items.size());
	InventoryItem *item = changeItem(i, NULL);
	if(item)
		delete item;
}

InventoryItem * InventoryList::addItem(InventoryItem *newitem)
{
	if(newitem == NULL)
		return NULL;
	
	/*
		First try to find if it could be added to some existing items
	*/
	for(u32 i=0; i<m_items.size(); i++)
	{
		// Ignore empty slots
		if(m_items[i] == NULL)
			continue;
		// Try adding
		newitem = addItem(i, newitem);
		if(newitem == NULL)
			return NULL; // All was eaten
	}

	/*
		Then try to add it to empty slots
	*/
	for(u32 i=0; i<m_items.size(); i++)
	{
		// Ignore unempty slots
		if(m_items[i] != NULL)
			continue;
		// Try adding
		newitem = addItem(i, newitem);
		if(newitem == NULL)
			return NULL; // All was eaten
	}

	// Return leftover
	return newitem;
}

InventoryItem * InventoryList::addItem(u32 i, InventoryItem *newitem)
{
	if(newitem == NULL)
		return NULL;
	if(i >= m_items.size())
		return newitem;
	
	//setDirty(true);
	
	// If it is an empty position, it's an easy job.
	InventoryItem *to_item = getItem(i);
	if(to_item == NULL)
	{
		m_items[i] = newitem;
		return NULL;
	}
	
	// If not addable, return the item
	if(newitem->addableTo(to_item) == false)
		return newitem;
	
	// If the item fits fully in the slot, add counter and delete it
	if(newitem->getCount() <= to_item->freeSpace())
	{
		to_item->add(newitem->getCount());
		delete newitem;
		return NULL;
	}
	// Else the item does not fit fully. Add all that fits and return
	// the rest.
	else
	{
		u16 freespace = to_item->freeSpace();
		to_item->add(freespace);
		newitem->remove(freespace);
		return newitem;
	}
}

bool InventoryList::itemFits(const u32 i, const InventoryItem *newitem)
{
	// If it is an empty position, it's an easy job.
	const InventoryItem *to_item = getItem(i);
	if(to_item == NULL)
	{
		return true;
	}
	
	// If not addable, fail
	if(newitem->addableTo(to_item) == false)
		return false;
	
	// If the item fits fully in the slot, pass
	if(newitem->getCount() <= to_item->freeSpace())
	{
		return true;
	}

	return false;
}

bool InventoryList::roomForItem(const InventoryItem *item)
{
	for(u32 i=0; i<m_items.size(); i++)
		if(itemFits(i, item))
			return true;
	return false;
}

bool InventoryList::roomForCookedItem(const InventoryItem *item)
{
	if(!item)
		return false;
	const InventoryItem *cook = item->createCookResult();
	if(!cook)
		return false;
	bool room = roomForItem(cook);
	delete cook;
	return room;
}

InventoryItem * InventoryList::takeItem(u32 i, u32 count)
{
	if(count == 0)
		return NULL;
	
	//setDirty(true);

	InventoryItem *item = getItem(i);
	// If it is an empty position, return NULL
	if(item == NULL)
		return NULL;
	
	if(count >= item->getCount())
	{
		// Get the item by swapping NULL to its place
		return changeItem(i, NULL);
	}
	else
	{
		InventoryItem *item2 = item->clone();
		item->remove(count);
		item2->setCount(count);
		return item2;
	}
	
	return false;
}

void InventoryList::decrementMaterials(u16 count)
{
	for(u32 i=0; i<m_items.size(); i++)
	{
		InventoryItem *item = takeItem(i, count);
		if(item)
			delete item;
	}
}

void InventoryList::print(std::ostream &o)
{
	o<<"InventoryList:"<<std::endl;
	for(u32 i=0; i<m_items.size(); i++)
	{
		InventoryItem *item = m_items[i];
		if(item != NULL)
		{
			o<<i<<": ";
			item->serialize(o);
			o<<"\n";
		}
	}
}

/*
	Inventory
*/

Inventory::~Inventory()
{
	clear();
}

void Inventory::clear()
{
	for(u32 i=0; i<m_lists.size(); i++)
	{
		delete m_lists[i];
	}
	m_lists.clear();
}

Inventory::Inventory()
{
}

Inventory::Inventory(const Inventory &other)
{
	*this = other;
}

Inventory & Inventory::operator = (const Inventory &other)
{
	clear();
	for(u32 i=0; i<other.m_lists.size(); i++)
	{
		m_lists.push_back(new InventoryList(*other.m_lists[i]));
	}
	return *this;
}

void Inventory::serialize(std::ostream &os) const
{
	for(u32 i=0; i<m_lists.size(); i++)
	{
		InventoryList *list = m_lists[i];
		os<<"List "<<list->getName()<<" "<<list->getSize()<<"\n";
		list->serialize(os);
	}

	os<<"EndInventory\n";
}

void Inventory::deSerialize(std::istream &is, IGameDef *gamedef)
{
	clear();

	for(;;)
	{
		std::string line;
		std::getline(is, line, '\n');

		std::istringstream iss(line);

		std::string name;
		std::getline(iss, name, ' ');

		if(name == "EndInventory")
		{
			break;
		}
		// This is a temporary backwards compatibility fix
		else if(name == "end")
		{
			break;
		}
		else if(name == "List")
		{
			std::string listname;
			u32 listsize;

			std::getline(iss, listname, ' ');
			iss>>listsize;

			InventoryList *list = new InventoryList(listname, listsize);
			list->deSerialize(is, gamedef);

			m_lists.push_back(list);
		}
		else
		{
			throw SerializationError("Unknown inventory identifier");
		}
	}
}

InventoryList * Inventory::addList(const std::string &name, u32 size)
{
	s32 i = getListIndex(name);
	if(i != -1)
	{
		if(m_lists[i]->getSize() != size)
		{
			delete m_lists[i];
			m_lists[i] = new InventoryList(name, size);
		}
		return m_lists[i];
	}
	else
	{
		m_lists.push_back(new InventoryList(name, size));
		return m_lists.getLast();
	}
}

InventoryList * Inventory::getList(const std::string &name)
{
	s32 i = getListIndex(name);
	if(i == -1)
		return NULL;
	return m_lists[i];
}

bool Inventory::deleteList(const std::string &name)
{
	s32 i = getListIndex(name);
	if(i == -1)
		return false;
	delete m_lists[i];
	m_lists.erase(i);
	return true;
}

const InventoryList * Inventory::getList(const std::string &name) const
{
	s32 i = getListIndex(name);
	if(i == -1)
		return NULL;
	return m_lists[i];
}

const s32 Inventory::getListIndex(const std::string &name) const
{
	for(u32 i=0; i<m_lists.size(); i++)
	{
		if(m_lists[i]->getName() == name)
			return i;
	}
	return -1;
}

/*
	InventoryAction
*/

InventoryAction * InventoryAction::deSerialize(std::istream &is)
{
	std::string type;
	std::getline(is, type, ' ');

	InventoryAction *a = NULL;

	if(type == "Move")
	{
		a = new IMoveAction(is);
	}
	else if(type == "Drop")
	{
		a = new IDropAction(is);
	}

	return a;
}

static std::string describeC(const struct InventoryContext *c)
{
	if(c->current_player == NULL)
		return "current_player=NULL";
	else
		return std::string("current_player=") + c->current_player->getName();
}

IMoveAction::IMoveAction(std::istream &is)
{
	std::string ts;

	std::getline(is, ts, ' ');
	count = stoi(ts);

	std::getline(is, from_inv, ' ');

	std::getline(is, from_list, ' ');

	std::getline(is, ts, ' ');
	from_i = stoi(ts);

	std::getline(is, to_inv, ' ');

	std::getline(is, to_list, ' ');

	std::getline(is, ts, ' ');
	to_i = stoi(ts);
}

void IMoveAction::apply(InventoryContext *c, InventoryManager *mgr,
		ServerEnvironment *env)
{
	Inventory *inv_from = mgr->getInventory(c, from_inv);
	Inventory *inv_to = mgr->getInventory(c, to_inv);
	
	if(!inv_from){
		infostream<<"IMoveAction::apply(): FAIL: source inventory not found: "
				<<"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""
				<<", to_inv=\""<<to_inv<<"\""<<std::endl;
		return;
	}
	if(!inv_to){
		infostream<<"IMoveAction::apply(): FAIL: destination inventory not found: "
				"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""
				<<", to_inv=\""<<to_inv<<"\""<<std::endl;
		return;
	}

	InventoryList *list_from = inv_from->getList(from_list);
	InventoryList *list_to = inv_to->getList(to_list);

	/*
		If a list doesn't exist or the source item doesn't exist
	*/
	if(!list_from){
		infostream<<"IMoveAction::apply(): FAIL: source list not found: "
				<<"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""
				<<", from_list=\""<<from_list<<"\""<<std::endl;
		return;
	}
	if(!list_to){
		infostream<<"IMoveAction::apply(): FAIL: destination list not found: "
				<<"context=["<<describeC(c)<<"], to_inv=\""<<to_inv<<"\""
				<<", to_list=\""<<to_list<<"\""<<std::endl;
		return;
	}
	if(list_from->getItem(from_i) == NULL)
	{
		infostream<<"IMoveAction::apply(): FAIL: source item not found: "
				<<"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""
				<<", from_list=\""<<from_list<<"\""
				<<" from_i="<<from_i<<std::endl;
		return;
	}
	/*
		If the source and the destination slots are the same
	*/
	if(inv_from == inv_to && list_from == list_to && from_i == to_i)
	{
		infostream<<"IMoveAction::apply(): FAIL: source and destination slots "
				<<"are the same: inv=\""<<from_inv<<"\" list=\""<<from_list
				<<"\" i="<<from_i<<std::endl;
		return;
	}
	
	// Take item from source list
	InventoryItem *item1 = NULL;
	if(count == 0)
		item1 = list_from->changeItem(from_i, NULL);
	else
		item1 = list_from->takeItem(from_i, count);

	// Try to add the item to destination list
	InventoryItem *olditem = item1;
	item1 = list_to->addItem(to_i, item1);

	// If something is returned, the item was not fully added
	if(item1 != NULL)
	{
		// If olditem is returned, nothing was added.
		bool nothing_added = (item1 == olditem);
		
		// If something else is returned, part of the item was left unadded.
		// Add the other part back to the source item
		list_from->addItem(from_i, item1);

		// If olditem is returned, nothing was added.
		// Swap the items
		if(nothing_added)
		{
			// Take item from source list
			item1 = list_from->changeItem(from_i, NULL);
			// Adding was not possible, swap the items.
			InventoryItem *item2 = list_to->changeItem(to_i, item1);
			// Put item from destination list to the source list
			list_from->changeItem(from_i, item2);
		}
	}

	mgr->inventoryModified(c, from_inv);
	if(from_inv != to_inv)
		mgr->inventoryModified(c, to_inv);
	
	infostream<<"IMoveAction::apply(): moved at "
			<<"["<<describeC(c)<<"]"
			<<" from inv=\""<<from_inv<<"\""
			<<" list=\""<<from_list<<"\""
			<<" i="<<from_i
			<<" to inv=\""<<to_inv<<"\""
			<<" list=\""<<to_list<<"\""
			<<" i="<<to_i
			<<std::endl;
}

IDropAction::IDropAction(std::istream &is)
{
	std::string ts;

	std::getline(is, ts, ' ');
	count = stoi(ts);