51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include "common_irrlicht.h"
#include "mapnode.h"
-#include "tile.h"
+#include "porting.h"
+#include <string>
+#include "main.h" // For g_settings
+#include "nodedef.h"
+#include "content_mapnode.h" // For mapnode_translate_*_internal
+#include "serialization.h" // For ser_ver_supported
/*
- Face directions:
- 0: up
- 1: down
- 2: right
- 3: left
- 4: back
- 5: front
+ MapNode
*/
-u16 g_content_tiles[USEFUL_CONTENT_COUNT][6] =
-{
- {TILE_STONE,TILE_STONE,TILE_STONE,TILE_STONE,TILE_STONE,TILE_STONE},
- {TILE_GRASS,TILE_MUD,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS},
- {TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER},
- {TILE_NONE,TILE_NONE,TILE_NONE,TILE_NONE,TILE_NONE,TILE_NONE},
- {TILE_TREE_TOP,TILE_TREE_TOP,TILE_TREE,TILE_TREE,TILE_TREE,TILE_TREE},
- {TILE_LEAVES,TILE_LEAVES,TILE_LEAVES,TILE_LEAVES,TILE_LEAVES,TILE_LEAVES},
- {TILE_GRASS_FOOTSTEPS,TILE_MUD,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS},
- {TILE_MESE,TILE_MESE,TILE_MESE,TILE_MESE,TILE_MESE,TILE_MESE},
- {TILE_MUD,TILE_MUD,TILE_MUD,TILE_MUD,TILE_MUD,TILE_MUD},
- {TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER},
- {TILE_CLOUD,TILE_CLOUD,TILE_CLOUD,TILE_CLOUD,TILE_CLOUD,TILE_CLOUD},
-};
-
-const char * g_content_inventory_textures[USEFUL_CONTENT_COUNT] =
-{
- "../data/stone.png",
- "../data/grass.png",
- "../data/water.png",
- "../data/torch_on_floor.png",
- "../data/tree_top.png",
- "../data/leaves.png",
- "../data/grass_footsteps.png",
- "../data/mese.png",
- "../data/mud.png",
- "../data/water.png",
- "../data/cloud.png",
-};
+// Create directly from a nodename
+// If name is unknown, sets CONTENT_IGNORE
+MapNode::MapNode(INodeDefManager *ndef, const std::string &name,
+ u8 a_param1, u8 a_param2)
+{
+ content_t id = CONTENT_IGNORE;
+ ndef->getId(name, id);
+ param1 = a_param1;
+ param2 = a_param2;
+ // Set content (param0 and (param2&0xf0)) after other params
+ // because this needs to override part of param2
+ setContent(id);
+}
+
+void MapNode::setLight(enum LightBank bank, u8 a_light, INodeDefManager *nodemgr)
+{
+ // If node doesn't contain light data, ignore this
+ if(nodemgr->get(*this).param_type != CPT_LIGHT)
+ return;
+ if(bank == LIGHTBANK_DAY)
+ {
+ param1 &= 0xf0;
+ param1 |= a_light & 0x0f;
+ }
+ else if(bank == LIGHTBANK_NIGHT)
+ {
+ param1 &= 0x0f;
+ param1 |= (a_light & 0x0f)<<4;
+ }
+ else
+ assert(0);
+}
+
+u8 MapNode::getLight(enum LightBank bank, INodeDefManager *nodemgr) const
+{
+ // Select the brightest of [light source, propagated light]
+ const ContentFeatures &f = nodemgr->get(*this);
+ u8 light = 0;
+ if(f.param_type == CPT_LIGHT)
+ {
+ if(bank == LIGHTBANK_DAY)
+ light = param1 & 0x0f;
+ else if(bank == LIGHTBANK_NIGHT)
+ light = (param1>>4)&0x0f;
+ else
+ assert(0);
+ }
+ if(f.light_source > light)
+ light = f.light_source;
+ return light;
+}
+
+bool MapNode::getLightBanks(u8 &lightday, u8 &lightnight, INodeDefManager *nodemgr) const
+{
+ // Select the brightest of [light source, propagated light]
+ const ContentFeatures &f = nodemgr->get(*this);
+ if(f.param_type == CPT_LIGHT)
+ {
+ lightday = param1 & 0x0f;
+ lightnight = (param1>>4)&0x0f;
+ }
+ else
+ {
+ lightday = 0;
+ lightnight = 0;
+ }
+ if(f.light_source > lightday)
+ lightday = f.light_source;
+ if(f.light_source > lightnight)
+ lightnight = f.light_source;
+ return f.param_type == CPT_LIGHT || f.light_source != 0;
+}
+
+u8 MapNode::getFaceDir(INodeDefManager *nodemgr) const
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ if(f.param_type_2 == CPT2_FACEDIR)
+ return getParam2() & 0x03;
+ return 0;
+}
+
+u8 MapNode::getWallMounted(INodeDefManager *nodemgr) const
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ if(f.param_type_2 == CPT2_WALLMOUNTED)
+ return getParam2() & 0x07;
+ return 0;
+}
+
+v3s16 MapNode::getWallMountedDir(INodeDefManager *nodemgr) const
+{
+ switch(getWallMounted(nodemgr))
+ {
+ case 0: default: return v3s16(0,1,0);
+ case 1: return v3s16(0,-1,0);
+ case 2: return v3s16(1,0,0);
+ case 3: return v3s16(-1,0,0);
+ case 4: return v3s16(0,0,1);
+ case 5: return v3s16(0,0,-1);
+ }
+}
+
+
+
+u32 MapNode::serializedLength(u8 version)
+{
+ if(!ser_ver_supported(version))
+ throw VersionMismatchException("ERROR: MapNode format not supported");
+
+ if(version == 0)
+ return 1;
+ else if(version <= 9)
+ return 2;
+ else
+ return 3;
+}
+void MapNode::serialize(u8 *dest, u8 version)
+{
+ if(!ser_ver_supported(version))
+ throw VersionMismatchException("ERROR: MapNode format not supported");
+
+ if(version <= 21)
+ {
+ serialize_pre22(dest, version);
+ return;
+ }
+
+ writeU8(dest+0, param0);
+ writeU8(dest+1, param1);
+ writeU8(dest+2, param2);
+}
+void MapNode::deSerialize(u8 *source, u8 version)
+{
+ if(!ser_ver_supported(version))
+ throw VersionMismatchException("ERROR: MapNode format not supported");
+
+ if(version <= 21)
+ {
+ deSerialize_pre22(source, version);
+ return;
+ }
+
+ param0 = readU8(source+0);
+ param1 = readU8(source+1);
+ param2 = readU8(source+2);
+}
+void MapNode::serializeBulk(std::ostream &os, int version,
+ const MapNode *nodes, u32 nodecount,
+ u8 content_width, u8 params_width, bool compressed)
+{
+ if(!ser_ver_supported(version))
+ throw VersionMismatchException("ERROR: MapNode format not supported");
+
+ assert(version >= 22);
+ assert(content_width == 1);
+ assert(params_width == 2);
+
+ SharedBuffer<u8> databuf(nodecount * (content_width + params_width));
+
+ // Serialize content
+ if(content_width == 1)
+ {
+ for(u32 i=0; i<nodecount; i++)
+ writeU8(&databuf[i], nodes[i].param0);
+ }
+ /* If param0 is extended to two bytes, use something like this: */
+ /*else if(content_width == 2)
+ {
+ for(u32 i=0; i<nodecount; i++)
+ writeU16(&databuf[i*2], nodes[i].param0);
+ }*/
+
+ // Serialize param1
+ u32 start1 = content_width * nodecount;
+ for(u32 i=0; i<nodecount; i++)
+ writeU8(&databuf[start1 + i], nodes[i].param1);
+
+ // Serialize param2
+ u32 start2 = (content_width + 1) * nodecount;
+ for(u32 i=0; i<nodecount; i++)
+ writeU8(&databuf[start2 + i], nodes[i].param2);
+
+ /*
+ Compress data to output stream
+ */
+
+ if(compressed)
+ {
+ compressZlib(databuf, os);
+ }
+ else
+ {
+ os.write((const char*) &databuf[0], databuf.getSize());
+ }
+}
+
+// Deserialize bulk node data
+void MapNode::deSerializeBulk(std::istream &is, int version,
+ MapNode *nodes, u32 nodecount,
+ u8 content_width, u8 params_width, bool compressed)
+{
+ if(!ser_ver_supported(version))
+ throw VersionMismatchException("ERROR: MapNode format not supported");
+
+ assert(version >= 22);
+ assert(content_width == 1);
+ assert(params_width == 2);
+
+ // Uncompress or read data
+ u32 len = nodecount * (content_width + params_width);
+ SharedBuffer<u8> databuf(len);
+ if(compressed)
+ {
+ std::ostringstream os(std::ios_base::binary);
+ decompressZlib(is, os);
+ std::string s = os.str();
+ if(s.size() != len)
+ throw SerializationError("deSerializeBulkNodes: "
+ "decompress resulted in invalid size");
+ memcpy(&databuf[0], s.c_str(), len);
+ }
+ else
+ {
+ is.read((char*) &databuf[0], len);
+ if(is.eof() || is.fail())
+ throw SerializationError("deSerializeBulkNodes: "
+ "failed to read bulk node data");
+ }
+
+ // Deserialize content
+ if(content_width == 1)
+ {
+ for(u32 i=0; i<nodecount; i++)
+ nodes[i].param0 = readU8(&databuf[i]);
+ }
+ /* If param0 is extended to two bytes, use something like this: */
+ /*else if(content_width == 2)
+ {
+ for(u32 i=0; i<nodecount; i++)
+ nodes[i].param0 = readU16(&databuf[i*2]);
+ }*/
+
+ // Deserialize param1
+ u32 start1 = content_width * nodecount;
+ for(u32 i=0; i<nodecount; i++)
+ nodes[i].param1 = readU8(&databuf[start1 + i]);
+
+ // Deserialize param2
+ u32 start2 = (content_width + 1) * nodecount;
+ for(u32 i=0; i<nodecount; i++)
+ nodes[i].param2 = readU8(&databuf[start2 + i]);
+}
+
+/*
+ Legacy serialization
+*/
+void MapNode::serialize_pre22(u8 *dest, u8 version)
+{
+ // Translate to wanted version
+ MapNode n_foreign = mapnode_translate_from_internal(*this, version);
+
+ u8 actual_param0 = n_foreign.param0;
+
+ // Convert special values from new version to old
+ if(version <= 18)
+ {
+ // In these versions, CONTENT_IGNORE and CONTENT_AIR
+ // are 255 and 254
+ if(actual_param0 == CONTENT_IGNORE)
+ actual_param0 = 255;
+ else if(actual_param0 == CONTENT_AIR)
+ actual_param0 = 254;
+ }
+
+ if(version == 0)
+ {
+ dest[0] = actual_param0;
+ }
+ else if(version <= 9)
+ {
+ dest[0] = actual_param0;
+ dest[1] = n_foreign.param1;
+ }
+ else
+ {
+ dest[0] = actual_param0;
+ dest[1] = n_foreign.param1;
+ dest[2] = n_foreign.param2;
+ }
+}
+void MapNode::deSerialize_pre22(u8 *source, u8 version)
+{
+ if(version <= 1)
+ {
+ param0 = source[0];
+ }
+ else if(version <= 9)
+ {
+ param0 = source[0];
+ param1 = source[1];
+ }
+ else
+ {
+ param0 = source[0];
+ param1 = source[1];
+ param2 = source[2];
+ }
+
+ // Convert special values from old version to new
+ if(version <= 19)
+ {
+ // In these versions, CONTENT_IGNORE and CONTENT_AIR
+ // are 255 and 254
+ // Version 19 is fucked up with sometimes the old values and sometimes not
+ if(param0 == 255)
+ param0 = CONTENT_IGNORE;
+ else if(param0 == 254)
+ param0 = CONTENT_AIR;
+ }
+
+ // Translate to our known version
+ *this = mapnode_translate_to_internal(*this, version);
+}