Copyright (C) 2010 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
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 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.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser 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 "irrlichttypes_extrabloated.h"
#include "mapnode.h"
-#include "tile.h"
#include "porting.h"
+#include "main.h" // For g_settings
+#include "nodedef.h"
+#include "content_mapnode.h" // For mapnode_translate_*_internal
+#include "serialization.h" // For ser_ver_supported
+#include "util/serialize.h"
#include <string>
+#include <sstream>
/*
- 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},
- {TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE},
- {TILE_WOOD,TILE_WOOD,TILE_WOOD,TILE_WOOD,TILE_WOOD,TILE_WOOD},
-};
-
-std::string g_content_inventory_texture_strings[USEFUL_CONTENT_COUNT];
-// Pointers to c_str()s of the above
-const char * g_content_inventory_texture_paths[USEFUL_CONTENT_COUNT] = {0};
-
-const char * g_content_inventory_texture_paths_base[USEFUL_CONTENT_COUNT] =
-{
- "stone.png",
- "grass.png",
- "water.png",
- "torch_on_floor.png",
- "tree_top.png",
- "leaves.png",
- "grass_footsteps.png",
- "mese.png",
- "mud.png",
- "water.png",
- "cloud.png",
- "coalstone.png",
- "wood.png",
-};
-
-void init_content_inventory_texture_paths()
-{
- for(u16 i=0; i<USEFUL_CONTENT_COUNT; i++)
- {
- g_content_inventory_texture_strings[i] = porting::getDataPath(g_content_inventory_texture_paths_base[i]);
- g_content_inventory_texture_paths[i] = g_content_inventory_texture_strings[i].c_str();
+
+// 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);
+ param0 = id;
+ param1 = a_param1;
+ param2 = a_param2;
+}
+
+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);
+ }
+}
+
+static std::vector<aabb3f> transformNodeBox(const MapNode &n,
+ const NodeBox &nodebox, INodeDefManager *nodemgr)
+{
+ std::vector<aabb3f> boxes;
+ if(nodebox.type == NODEBOX_FIXED)
+ {
+ const std::vector<aabb3f> &fixed = nodebox.fixed;
+ int facedir = n.getFaceDir(nodemgr);
+ for(std::vector<aabb3f>::const_iterator
+ i = fixed.begin();
+ i != fixed.end(); i++)
+ {
+ aabb3f box = *i;
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateXZBy(-90);
+ box.MaxEdge.rotateXZBy(-90);
+ box.repair();
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateXZBy(180);
+ box.MaxEdge.rotateXZBy(180);
+ box.repair();
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateXZBy(90);
+ box.MaxEdge.rotateXZBy(90);
+ box.repair();
+ }
+ boxes.push_back(box);
+ }
+ }
+ else if(nodebox.type == NODEBOX_WALLMOUNTED)
+ {
+ v3s16 dir = n.getWallMountedDir(nodemgr);
+
+ // top
+ if(dir == v3s16(0,1,0))
+ {
+ boxes.push_back(nodebox.wall_top);
+ }
+ // bottom
+ else if(dir == v3s16(0,-1,0))
+ {
+ boxes.push_back(nodebox.wall_bottom);
+ }
+ // side
+ else
+ {
+ v3f vertices[2] =
+ {
+ nodebox.wall_side.MinEdge,
+ nodebox.wall_side.MaxEdge
+ };
+
+ for(s32 i=0; i<2; i++)
+ {
+ if(dir == v3s16(-1,0,0))
+ vertices[i].rotateXZBy(0);
+ if(dir == v3s16(1,0,0))
+ vertices[i].rotateXZBy(180);
+ if(dir == v3s16(0,0,-1))
+ vertices[i].rotateXZBy(90);
+ if(dir == v3s16(0,0,1))
+ vertices[i].rotateXZBy(-90);
+ }
+
+ aabb3f box = aabb3f(vertices[0]);
+ box.addInternalPoint(vertices[1]);
+ boxes.push_back(box);
+ }
+ }
+ else // NODEBOX_REGULAR
+ {
+ boxes.push_back(aabb3f(-BS/2,-BS/2,-BS/2,BS/2,BS/2,BS/2));
+ }
+ return boxes;
+}
+
+std::vector<aabb3f> MapNode::getNodeBoxes(INodeDefManager *nodemgr) const
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ return transformNodeBox(*this, f.node_box, nodemgr);
+}
+
+std::vector<aabb3f> MapNode::getSelectionBoxes(INodeDefManager *nodemgr) const
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ return transformNodeBox(*this, f.selection_box, nodemgr);
+}
+
+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 if(version <= 23)
+ return 3;
+ else
+ return 4;
+}
+void MapNode::serialize(u8 *dest, u8 version)
+{
+ if(!ser_ver_supported(version))
+ throw VersionMismatchException("ERROR: MapNode format not supported");
+
+ // Can't do this anymore; we have 16-bit dynamically allocated node IDs
+ // in memory; conversion just won't work in this direction.
+ if(version < 24)
+ throw SerializationError("MapNode::serialize: serialization to "
+ "version < 24 not possible");
+
+ writeU16(dest+0, param0);
+ writeU8(dest+2, param1);
+ writeU8(dest+3, 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;
+ }
+
+ if(version >= 24){
+ param0 = readU16(source+0);
+ param1 = readU8(source+2);
+ param2 = readU8(source+3);
+ }
+ else{
+ param0 = readU8(source+0);
+ param1 = readU8(source+1);
+ param2 = readU8(source+2);
+ if(param0 > 0x7F){
+ param0 |= ((param2&0xF0)<<4);
+ param2 &= 0x0F;
+ }
+ }
+}
+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(content_width == 2);
+ assert(params_width == 2);
+
+ // Can't do this anymore; we have 16-bit dynamically allocated node IDs
+ // in memory; conversion just won't work in this direction.
+ if(version < 24)
+ throw SerializationError("MapNode::serializeBulk: serialization to "
+ "version < 24 not possible");
+
+ SharedBuffer<u8> databuf(nodecount * (content_width + params_width));
+
+ // Serialize content
+ 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 || content_width == 2);
+ 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]);
+ }
+ 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;
+ if(content_width == 1)
+ {
+ for(u32 i=0; i<nodecount; i++) {
+ nodes[i].param2 = readU8(&databuf[start2 + i]);
+ if(nodes[i].param0 > 0x7F){
+ nodes[i].param0 <<= 4;
+ nodes[i].param0 |= (nodes[i].param2&0xF0)>>4;
+ nodes[i].param2 &= 0x0F;
+ }
+ }
+ }
+ else if(content_width == 2)
+ {
+ for(u32 i=0; i<nodecount; i++)
+ nodes[i].param2 = readU8(&databuf[start2 + i]);
}
}
+/*
+ Legacy serialization
+*/
+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];
+ if(param0 > 0x7f){
+ param0 <<= 4;
+ param0 |= (param2&0xf0)>>4;
+ param2 &= 0x0f;
+ }
+ }
+
+ // 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);
+}