/*
-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 Lesser General Public License as published by
#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>
+static const Rotation wallmounted_to_rot[] = {
+ ROTATE_0, ROTATE_180, ROTATE_90, ROTATE_270
+};
+
+static const u8 rot_to_wallmounted[] = {
+ 2, 4, 3, 5
+};
+
+
/*
MapNode
*/
{
const ContentFeatures &f = nodemgr->get(*this);
if(f.param_type_2 == CPT2_FACEDIR)
- return getParam2() & 0x03;
+ return getParam2() & 0x1F;
return 0;
}
}
}
+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)
+ if(nodebox.type == NODEBOX_FIXED || nodebox.type == NODEBOX_LEVELED)
{
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++)
{
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();
+
+ if (nodebox.type == NODEBOX_LEVELED) {
+ box.MaxEdge.Y = -BS/2 + BS*((float)1/LEVELED_MAX) * n.getLevel(nodemgr);
}
- else if(facedir == 3)
+
+ switch (axisdir)
{
- box.MinEdge.rotateXZBy(90);
- box.MaxEdge.rotateXZBy(90);
- box.repair();
+ 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);
}
}
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_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;
+}
+
+u8 MapNode::setLevel(INodeDefManager *nodemgr, s8 level)
+{
+ u8 rest = 0;
+ 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_SOURCE) {
+ rest = level - LIQUID_LEVEL_SOURCE;
+ 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;
+}
+
+u8 MapNode::addLevel(INodeDefManager *nodemgr, s8 add)
+{
+ s8 level = getLevel(nodemgr);
+ if (add == 0) level = 1;
+ level += add;
+ return setLevel(nodemgr, level);
+}
+
+void MapNode::freezeMelt(INodeDefManager *ndef) {
+ u8 level_was_max = this->getMaxLevel(ndef);
+ u8 level_was = this->getLevel(ndef);
+ this->setContent(ndef->getId(ndef->get(*this).freezemelt));
+ u8 level_now_max = this->getMaxLevel(ndef);
+ if (level_was_max && level_was_max != level_now_max) {
+ u8 want = (float)level_now_max / level_was_max * level_was;
+ if (!want)
+ want = 1;
+ if (want != level_was)
+ this->setLevel(ndef, want);
+ //errorstream<<"was="<<(int)level_was<<"/"<<(int)level_was_max<<" nowm="<<(int)want<<"/"<<(int)level_now_max<< " => "<<(int)this->getLevel(ndef)<< std::endl;
+ }
+ if (this->getMaxLevel(ndef) && !this->getLevel(ndef))
+ this->addLevel(ndef);
+}
+
u32 MapNode::serializedLength(u8 version)
{
if(!ser_ver_supported(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");
-
- if(version <= 21)
- {
- serialize_pre22(dest, version);
- return;
- }
-
- if(version >= 24){
- writeU16(dest+0, param0);
- writeU8(dest+2, param1);
- writeU8(dest+3, param2);
- }
- else{
- writeU8(dest+0, (param0&0xFF));
- writeU8(dest+1, param1);
- if (param0 > 0x7F){
- writeU8(dest+2, ((param2&0x0F) | ((param0&0x0F00)>>4)));
- }
- else{
- writeU8(dest+2, param2);
- }
- }
+
+ // 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");
- assert(version >= 22);
- assert(content_width == 1 || content_width == 2);
+ 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
- if(content_width == 1)
- {
- for(u32 i=0; i<nodecount; i++)
- writeU8(&databuf[i], (nodes[i].param0&0x00FF));
- }else if(content_width == 2)
- {
- for(u32 i=0; i<nodecount; i++)
- writeU16(&databuf[i*2], nodes[i].param0);
- }
+ for(u32 i=0; i<nodecount; i++)
+ writeU16(&databuf[i*2], nodes[i].param0);
// Serialize param1
u32 start1 = content_width * nodecount;
// Serialize param2
u32 start2 = (content_width + 1) * nodecount;
- if(content_width == 1)
- {
- for(u32 i=0; i<nodecount; i++) {
- if(nodes[i].param0 > 0x7F){
- writeU8(&databuf[start2 + i], ((nodes[i].param2&0x0F) | ((nodes[i].param0&0x0F00)>>4)));
- }
- else{
- writeU8(&databuf[start2 + i], nodes[i].param2);
- }
- }
- }else if(content_width == 2)
- {
- for(u32 i=0; i<nodecount; i++)
- writeU8(&databuf[start2 + i], nodes[i].param2);
- }
+ for(u32 i=0; i<nodecount; i++)
+ writeU8(&databuf[start2 + i], nodes[i].param2);
/*
Compress data to output stream
for(u32 i=0; i<nodecount; i++) {
nodes[i].param2 = readU8(&databuf[start2 + i]);
if(nodes[i].param0 > 0x7F){
- nodes[i].param0 |= ((nodes[i].param2&0xF0)<<4);
+ nodes[i].param0 <<= 4;
+ nodes[i].param0 |= (nodes[i].param2&0xF0)>>4;
nodes[i].param2 &= 0x0F;
}
}
/*
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];
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