/*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 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 "common_irrlicht.h"
+#include "irrlichttypes_extrabloated.h"
#include "mapnode.h"
#include "porting.h"
-#include <string>
-#include "mineral.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 "log.h"
+#include <string>
+#include <sstream>
-#ifndef SERVER
-/*
- Nodes make a face if contents differ and solidness differs.
- Return value:
- 0: No face
- 1: Face uses m1's content
- 2: Face uses m2's content
- equivalent: Whether the blocks share the same face (eg. water and glass)
-
- TODO: Add 3: Both faces drawn with backface culling, remove equivalent
-*/
-u8 face_contents(content_t m1, content_t m2, bool *equivalent,
- INodeDefManager *nodemgr)
-{
- *equivalent = false;
-
- if(m1 == CONTENT_IGNORE || m2 == CONTENT_IGNORE)
- return 0;
-
- bool contents_differ = (m1 != m2);
-
- const ContentFeatures &f1 = nodemgr->get(m1);
- const ContentFeatures &f2 = nodemgr->get(m2);
-
- // Contents don't differ for different forms of same liquid
- if(f1.sameLiquid(f2))
- contents_differ = false;
-
- u8 c1 = f1.solidness;
- u8 c2 = f2.solidness;
-
- bool solidness_differs = (c1 != c2);
- bool makes_face = contents_differ && solidness_differs;
-
- if(makes_face == false)
- return 0;
-
- if(c1 == 0)
- c1 = f1.visual_solidness;
- if(c2 == 0)
- c2 = f2.visual_solidness;
-
- if(c1 == c2){
- *equivalent = true;
- // If same solidness, liquid takes precense
- if(f1.isLiquid())
- return 1;
- if(f2.isLiquid())
- return 2;
- }
-
- if(c1 > c2)
- return 1;
- else
- return 2;
-}
-#endif
+static const Rotation wallmounted_to_rot[] = {
+ ROTATE_0, ROTATE_180, ROTATE_90, ROTATE_270
+};
-v3s16 facedir_rotate(u8 facedir, v3s16 dir)
-{
- /*
- Face 2 (normally Z-) direction:
- facedir=0: Z-
- facedir=1: X-
- facedir=2: Z+
- facedir=3: X+
- */
- v3s16 newdir;
- if(facedir==0) // Same
- newdir = v3s16(dir.X, dir.Y, dir.Z);
- else if(facedir == 1) // Face is taken from rotXZccv(-90)
- newdir = v3s16(-dir.Z, dir.Y, dir.X);
- else if(facedir == 2) // Face is taken from rotXZccv(180)
- newdir = v3s16(-dir.X, dir.Y, -dir.Z);
- else if(facedir == 3) // Face is taken from rotXZccv(90)
- newdir = v3s16(dir.Z, dir.Y, -dir.X);
- else
- newdir = dir;
- return newdir;
-}
+static const u8 rot_to_wallmounted[] = {
+ 2, 4, 3, 5
+};
-u8 packDir(v3s16 dir)
-{
- u8 b = 0;
-
- if(dir.X > 0)
- b |= (1<<0);
- else if(dir.X < 0)
- b |= (1<<1);
-
- if(dir.Y > 0)
- b |= (1<<2);
- else if(dir.Y < 0)
- b |= (1<<3);
-
- if(dir.Z > 0)
- b |= (1<<4);
- else if(dir.Z < 0)
- b |= (1<<5);
-
- return b;
-}
-v3s16 unpackDir(u8 b)
-{
- v3s16 d(0,0,0);
-
- if(b & (1<<0))
- d.X = 1;
- else if(b & (1<<1))
- d.X = -1;
-
- if(b & (1<<2))
- d.Y = 1;
- else if(b & (1<<3))
- d.Y = -1;
-
- if(b & (1<<4))
- d.Z = 1;
- else if(b & (1<<5))
- d.Z = -1;
-
- return d;
-}
/*
MapNode
*/
+// 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
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(nodemgr->get(*this).param_type == CPT_LIGHT)
+ if(f.param_type == CPT_LIGHT)
{
if(bank == LIGHTBANK_DAY)
light = param1 & 0x0f;
else
assert(0);
}
- if(nodemgr->get(*this).light_source > light)
- light = nodemgr->get(*this).light_source;
+ if(f.light_source > light)
+ light = f.light_source;
return light;
}
-u8 MapNode::getLightBanksWithSource(INodeDefManager *nodemgr) const
+bool MapNode::getLightBanks(u8 &lightday, u8 &lightnight, INodeDefManager *nodemgr) const
{
// Select the brightest of [light source, propagated light]
- u8 lightday = 0;
- u8 lightnight = 0;
- if(nodemgr->get(*this).param_type == CPT_LIGHT)
+ const ContentFeatures &f = nodemgr->get(*this);
+ if(f.param_type == CPT_LIGHT)
{
lightday = param1 & 0x0f;
lightnight = (param1>>4)&0x0f;
}
- if(nodemgr->get(*this).light_source > lightday)
- lightday = nodemgr->get(*this).light_source;
- if(nodemgr->get(*this).light_source > lightnight)
- lightnight = nodemgr->get(*this).light_source;
- return (lightday&0x0f) | ((lightnight<<4)&0xf0);
+ 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;
}
-#ifndef SERVER
-TileSpec MapNode::getTile(v3s16 dir, ITextureSource *tsrc,
- INodeDefManager *nodemgr) const
+u8 MapNode::getFaceDir(INodeDefManager *nodemgr) const
{
- if(nodemgr->get(*this).param_type == CPT_FACEDIR_SIMPLE)
- dir = facedir_rotate(param1, dir);
-
- TileSpec spec;
-
- s32 dir_i = -1;
-
- if(dir == v3s16(0,0,0))
- dir_i = -1;
- else if(dir == v3s16(0,1,0))
- dir_i = 0;
- else if(dir == v3s16(0,-1,0))
- dir_i = 1;
- else if(dir == v3s16(1,0,0))
- dir_i = 2;
- else if(dir == v3s16(-1,0,0))
- dir_i = 3;
- else if(dir == v3s16(0,0,1))
- dir_i = 4;
- else if(dir == v3s16(0,0,-1))
- dir_i = 5;
-
- if(dir_i == -1)
- // Non-directional
- spec = nodemgr->get(*this).tiles[0];
- else
- spec = nodemgr->get(*this).tiles[dir_i];
-
- /*
- If it contains some mineral, change texture id
- */
- if(nodemgr->get(*this).param_type == CPT_MINERAL && tsrc)
+ const ContentFeatures &f = nodemgr->get(*this);
+ if(f.param_type_2 == CPT2_FACEDIR)
+ return getParam2() & 0x1F;
+ 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);
+ }
+}
+
+void MapNode::rotateAlongYAxis(INodeDefManager *nodemgr, Rotation rot) {
+ ContentParamType2 cpt2 = nodemgr->get(*this).param_type_2;
+
+ if (cpt2 == CPT2_FACEDIR) {
+ u8 newrot = param2 & 3;
+ param2 &= ~3;
+ param2 |= (newrot + rot) & 3;
+ } else if (cpt2 == CPT2_WALLMOUNTED) {
+ u8 wmountface = (param2 & 7);
+ if (wmountface <= 1)
+ return;
+
+ Rotation oldrot = wallmounted_to_rot[wmountface - 2];
+ param2 &= ~7;
+ param2 |= rot_to_wallmounted[(oldrot - rot) & 3];
+ }
+}
+
+static std::vector<aabb3f> transformNodeBox(const MapNode &n,
+ const NodeBox &nodebox, INodeDefManager *nodemgr)
+{
+ std::vector<aabb3f> boxes;
+ if(nodebox.type == NODEBOX_FIXED || nodebox.type == NODEBOX_LEVELED)
{
- u8 mineral = getMineral(nodemgr);
- std::string mineral_texture_name = mineral_block_texture(mineral);
- if(mineral_texture_name != "")
+ const std::vector<aabb3f> &fixed = nodebox.fixed;
+ int facedir = n.getFaceDir(nodemgr);
+ u8 axisdir = facedir>>2;
+ facedir&=0x03;
+ for(std::vector<aabb3f>::const_iterator
+ i = fixed.begin();
+ i != fixed.end(); i++)
{
- u32 orig_id = spec.texture.id;
- std::string texture_name = tsrc->getTextureName(orig_id);
- //texture_name += "^blit:";
- texture_name += "^";
- texture_name += mineral_texture_name;
- u32 new_id = tsrc->getTextureId(texture_name);
- spec.texture = tsrc->getTexture(new_id);
+ aabb3f box = *i;
+
+ if (nodebox.type == NODEBOX_LEVELED) {
+ box.MaxEdge.Y = -BS/2 + BS*((float)1/LEVELED_MAX) * n.getLevel(nodemgr);
+ }
+
+ switch (axisdir)
+ {
+ case 0:
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateXZBy(-90);
+ box.MaxEdge.rotateXZBy(-90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateXZBy(180);
+ box.MaxEdge.rotateXZBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateXZBy(90);
+ box.MaxEdge.rotateXZBy(90);
+ }
+ break;
+ case 1: // z+
+ box.MinEdge.rotateYZBy(90);
+ box.MaxEdge.rotateYZBy(90);
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateXYBy(90);
+ box.MaxEdge.rotateXYBy(90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateXYBy(180);
+ box.MaxEdge.rotateXYBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateXYBy(-90);
+ box.MaxEdge.rotateXYBy(-90);
+ }
+ break;
+ case 2: //z-
+ box.MinEdge.rotateYZBy(-90);
+ box.MaxEdge.rotateYZBy(-90);
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateXYBy(-90);
+ box.MaxEdge.rotateXYBy(-90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateXYBy(180);
+ box.MaxEdge.rotateXYBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateXYBy(90);
+ box.MaxEdge.rotateXYBy(90);
+ }
+ break;
+ case 3: //x+
+ box.MinEdge.rotateXYBy(-90);
+ box.MaxEdge.rotateXYBy(-90);
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateYZBy(90);
+ box.MaxEdge.rotateYZBy(90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateYZBy(180);
+ box.MaxEdge.rotateYZBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateYZBy(-90);
+ box.MaxEdge.rotateYZBy(-90);
+ }
+ break;
+ case 4: //x-
+ box.MinEdge.rotateXYBy(90);
+ box.MaxEdge.rotateXYBy(90);
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateYZBy(-90);
+ box.MaxEdge.rotateYZBy(-90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateYZBy(180);
+ box.MaxEdge.rotateYZBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateYZBy(90);
+ box.MaxEdge.rotateYZBy(90);
+ }
+ break;
+ case 5:
+ box.MinEdge.rotateXYBy(-180);
+ box.MaxEdge.rotateXYBy(-180);
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateXZBy(90);
+ box.MaxEdge.rotateXZBy(90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateXZBy(180);
+ box.MaxEdge.rotateXZBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateXZBy(-90);
+ box.MaxEdge.rotateXZBy(-90);
+ }
+ break;
+ default:
+ break;
+ }
+ box.repair();
+ boxes.push_back(box);
}
}
+ else if(nodebox.type == NODEBOX_WALLMOUNTED)
+ {
+ v3s16 dir = n.getWallMountedDir(nodemgr);
- return spec;
+ // 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;
}
-#endif
-u8 MapNode::getMineral(INodeDefManager *nodemgr) const
+std::vector<aabb3f> MapNode::getNodeBoxes(INodeDefManager *nodemgr) const
{
- if(nodemgr->get(*this).param_type == CPT_MINERAL)
- {
- return param1 & 0x0f;
+ 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);
+}
+
+u8 MapNode::getMaxLevel(INodeDefManager *nodemgr) const
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ // todo: after update in all games leave only if (f.param_type_2 ==
+ if( f.liquid_type == LIQUID_SOURCE
+ || f.liquid_type == LIQUID_FLOWING
+ || f.param_type_2 == CPT2_FLOWINGLIQUID)
+ return LIQUID_LEVEL_MAX;
+ if(f.leveled || f.param_type_2 == CPT2_LEVELED)
+ return LEVELED_MAX;
+ return 0;
+}
+
+u8 MapNode::getLevel(INodeDefManager *nodemgr) const
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ // todo: after update in all games leave only if (f.param_type_2 ==
+ if(f.liquid_type == LIQUID_SOURCE)
+ return LIQUID_LEVEL_SOURCE;
+ if (f.param_type_2 == CPT2_FLOWINGLIQUID)
+ return getParam2() & LIQUID_LEVEL_MASK;
+ if(f.liquid_type == LIQUID_FLOWING) // can remove if all param_type_2 setted
+ return getParam2() & LIQUID_LEVEL_MASK;
+ if(f.leveled || f.param_type_2 == CPT2_LEVELED) {
+ u8 level = getParam2() & LEVELED_MASK;
+ if(level) return level;
+ if(f.leveled > LEVELED_MAX) return LEVELED_MAX;
+ return f.leveled; //default
}
+ return 0;
+}
- return MINERAL_NONE;
+u8 MapNode::addLevel(INodeDefManager *nodemgr, s8 add)
+{
+ s8 level = getLevel(nodemgr);
+ u8 rest = 0;
+ if (add == 0) level = 1;
+ level += add;
+ if (level < 1) {
+ setContent(CONTENT_AIR);
+ return 0;
+ }
+ const ContentFeatures &f = nodemgr->get(*this);
+ if ( f.param_type_2 == CPT2_FLOWINGLIQUID
+ || f.liquid_type == LIQUID_FLOWING
+ || f.liquid_type == LIQUID_SOURCE) {
+ if (level >= LIQUID_LEVEL_MAX) {
+ rest = level - LIQUID_LEVEL_MAX;
+ setContent(nodemgr->getId(f.liquid_alternative_source));
+ } else {
+ setContent(nodemgr->getId(f.liquid_alternative_flowing));
+ setParam2(level & LIQUID_LEVEL_MASK);
+ }
+ } else if (f.leveled || f.param_type_2 == CPT2_LEVELED) {
+ if (level > LEVELED_MAX) {
+ rest = level - LEVELED_MAX;
+ level = LEVELED_MAX;
+ }
+ setParam2(level & LEVELED_MASK);
+ }
+ return rest;
}
u32 MapNode::serializedLength(u8 version)
return 1;
else if(version <= 9)
return 2;
- else
+ 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");
- // 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)
+ 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)
{
- // 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;
+ deSerialize_pre22(source, version);
+ return;
}
- if(version == 0)
- {
- dest[0] = actual_param0;
+ if(version >= 24){
+ param0 = readU16(source+0);
+ param1 = readU8(source+2);
+ param2 = readU8(source+3);
}
- else if(version <= 9)
+ 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)
{
- dest[0] = actual_param0;
- dest[1] = n_foreign.param1;
+ compressZlib(databuf, os);
}
else
{
- dest[0] = actual_param0;
- dest[1] = n_foreign.param1;
- dest[2] = n_foreign.param2;
+ os.write((const char*) &databuf[0], databuf.getSize());
}
}
-void MapNode::deSerialize(u8 *source, u8 version, INodeDefManager *nodemgr)
+
+// 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");
-
- if(version == 0)
+
+ 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)
{
- param0 = source[0];
+ 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 if(version == 1)
+ 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];
- // This version doesn't support saved lighting
- if(nodemgr->get(*this).light_propagates || nodemgr->get(*this).light_source > 0)
- param1 = 0;
- else
- param1 = source[1];
}
else if(version <= 9)
{
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 <= 18)
+ if(version <= 19)
{
// In these versions, CONTENT_IGNORE and CONTENT_AIR
// are 255 and 254
- if(param0 == 255)
- param0 = CONTENT_IGNORE;
- else if(param0 == 254)
- param0 = CONTENT_AIR;
- }
- // version 19 is fucked up with sometimes the old values and sometimes not
- if(version == 19)
- {
+ // Version 19 is fucked up with sometimes the old values and sometimes not
if(param0 == 255)
param0 = CONTENT_IGNORE;
else if(param0 == 254)
// Translate to our known version
*this = mapnode_translate_to_internal(*this, version);
}
-
-/*
- Gets lighting value at face of node
-
- Parameters must consist of air and !air.
- Order doesn't matter.
-
- If either of the nodes doesn't exist, light is 0.
-
- parameters:
- daynight_ratio: 0...1000
- n: getNode(p) (uses only the lighting value)
- n2: getNode(p + face_dir) (uses only the lighting value)
- face_dir: axis oriented unit vector from p to p2
-
- returns encoded light value.
-*/
-u8 getFaceLight(u32 daynight_ratio, MapNode n, MapNode n2,
- v3s16 face_dir, INodeDefManager *nodemgr)
-{
- try{
- u8 light;
- u8 l1 = n.getLightBlend(daynight_ratio, nodemgr);
- u8 l2 = n2.getLightBlend(daynight_ratio, nodemgr);
- if(l1 > l2)
- light = l1;
- else
- light = l2;
-
- // Make some nice difference to different sides
-
- // This makes light come from a corner
- /*if(face_dir.X == 1 || face_dir.Z == 1 || face_dir.Y == -1)
- light = diminish_light(diminish_light(light));
- else if(face_dir.X == -1 || face_dir.Z == -1)
- light = diminish_light(light);*/
-
- // All neighboring faces have different shade (like in minecraft)
- if(face_dir.X == 1 || face_dir.X == -1 || face_dir.Y == -1)
- light = diminish_light(diminish_light(light));
- else if(face_dir.Z == 1 || face_dir.Z == -1)
- light = diminish_light(light);
-
- return light;
- }
- catch(InvalidPositionException &e)
- {
- return 0;
- }
-}
-
-
projects / dragonfireclient.git / blobdiff