/*
-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
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 "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 "util/numeric.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
{
content_t id = CONTENT_IGNORE;
ndef->getId(name, id);
+ param0 = 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)
param1 |= (a_light & 0x0f)<<4;
}
else
- assert(0);
+ assert("Invalid light bank" == NULL);
+}
+
+bool MapNode::isLightDayNightEq(INodeDefManager *nodemgr) const
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ bool isEqual;
+
+ if (f.param_type == CPT_LIGHT) {
+ u8 day = MYMAX(f.light_source, param1 & 0x0f);
+ u8 night = MYMAX(f.light_source, (param1 >> 4) & 0x0f);
+ isEqual = day == night;
+ } else {
+ isEqual = true;
+ }
+
+ return isEqual;
}
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;
+
+ u8 light;
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;
+ light = bank == LIGHTBANK_DAY ? param1 & 0x0f : (param1 >> 4) & 0x0f;
+ else
+ light = 0;
+
+ return MYMAX(f.light_source, light);
+}
+
+u8 MapNode::getLightNoChecks(enum LightBank bank, const ContentFeatures *f) const
+{
+ return MYMAX(f->light_source,
+ bank == LIGHTBANK_DAY ? param1 & 0x0f : (param1 >> 4) & 0x0f);
}
bool MapNode::getLightBanks(u8 &lightday, u8 &lightnight, INodeDefManager *nodemgr) const
{
const ContentFeatures &f = nodemgr->get(*this);
if(f.param_type_2 == CPT2_FACEDIR)
- return getParam2() & 0x03;
+ return (getParam2() & 0x1F) % 24;
return 0;
}
}
}
+void MapNode::rotateAlongYAxis(INodeDefManager *nodemgr, Rotation rot)
+{
+ ContentParamType2 cpt2 = nodemgr->get(*this).param_type_2;
+
+ if (cpt2 == CPT2_FACEDIR) {
+ static const u8 rotate_facedir[24 * 4] = {
+ // Table value = rotated facedir
+ // Columns: 0, 90, 180, 270 degrees rotation around vertical axis
+ // Rotation is anticlockwise as seen from above (+Y)
+
+ 0, 1, 2, 3, // Initial facedir 0 to 3
+ 1, 2, 3, 0,
+ 2, 3, 0, 1,
+ 3, 0, 1, 2,
+
+ 4, 13, 10, 19, // 4 to 7
+ 5, 14, 11, 16,
+ 6, 15, 8, 17,
+ 7, 12, 9, 18,
+
+ 8, 17, 6, 15, // 8 to 11
+ 9, 18, 7, 12,
+ 10, 19, 4, 13,
+ 11, 16, 5, 14,
+
+ 12, 9, 18, 7, // 12 to 15
+ 13, 10, 19, 4,
+ 14, 11, 16, 5,
+ 15, 8, 17, 6,
+
+ 16, 5, 14, 11, // 16 to 19
+ 17, 6, 15, 8,
+ 18, 7, 12, 9,
+ 19, 4, 13, 10,
+
+ 20, 23, 22, 21, // 20 to 23
+ 21, 20, 23, 22,
+ 22, 21, 20, 23,
+ 23, 22, 21, 20
+ };
+ u8 facedir = (param2 & 31) % 24;
+ u8 index = facedir * 4 + rot;
+ param2 &= ~31;
+ param2 |= rotate_facedir[index];
+ } 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)
+ {
+ 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 (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);
+
+ // 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::getCollisionBoxes(INodeDefManager *nodemgr) const
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ if (f.collision_box.fixed.empty())
+ return transformNodeBox(*this, f.node_box, nodemgr);
+ else
+ return transformNodeBox(*this, f.collision_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_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);
+}
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
+ 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;
- }
+ // 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");
- writeU8(dest+0, param0);
- writeU8(dest+1, param1);
- writeU8(dest+2, param2);
+ 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;
}
- param0 = readU8(source+0);
- param1 = readU8(source+1);
- param2 = readU8(source+2);
+ 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,
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapNode format not supported");
- assert(version >= 22);
- assert(content_width == 1);
- assert(params_width == 2);
+ sanity_check(content_width == 2);
+ sanity_check(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);
- }
- /* 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);
- }*/
+ for(u32 i=0; i<nodecount; i++)
+ writeU16(&databuf[i*2], nodes[i].param0);
// Serialize param1
u32 start1 = content_width * nodecount;
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapNode format not supported");
- assert(version >= 22);
- assert(content_width == 1);
- assert(params_width == 2);
+ if (version < 22
+ || (content_width != 1 && content_width != 2)
+ || params_width != 2)
+ FATAL_ERROR("Deserialize bulk node data error");
// Uncompress or read data
u32 len = nodecount * (content_width + params_width);
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)
+ 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;
// 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)
+ if(content_width == 1)
{
- dest[0] = actual_param0;
- dest[1] = n_foreign.param1;
+ 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
+ else if(content_width == 2)
{
- dest[0] = actual_param0;
- dest[1] = n_foreign.param1;
- dest[2] = n_foreign.param2;
+ 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];
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)
{