minetest/src/nodedef.cpp

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/*
Minetest-c55
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
(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.
You should have received a copy of the GNU 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 "nodedef.h"
#include "main.h" // For g_settings
#include "nodemetadata.h"
#ifndef SERVER
#include "tile.h"
#endif
#include "log.h"
#include "settings.h"
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#include "nameidmapping.h"
/*
NodeBox
*/
void NodeBox::serialize(std::ostream &os) const
{
writeU8(os, 0); // version
writeU8(os, type);
writeV3F1000(os, fixed.MinEdge);
writeV3F1000(os, fixed.MaxEdge);
writeV3F1000(os, wall_top.MinEdge);
writeV3F1000(os, wall_top.MaxEdge);
writeV3F1000(os, wall_bottom.MinEdge);
writeV3F1000(os, wall_bottom.MaxEdge);
writeV3F1000(os, wall_side.MinEdge);
writeV3F1000(os, wall_side.MaxEdge);
}
void NodeBox::deSerialize(std::istream &is)
{
int version = readU8(is);
if(version != 0)
throw SerializationError("unsupported NodeBox version");
type = (enum NodeBoxType)readU8(is);
fixed.MinEdge = readV3F1000(is);
fixed.MaxEdge = readV3F1000(is);
wall_top.MinEdge = readV3F1000(is);
wall_top.MaxEdge = readV3F1000(is);
wall_bottom.MinEdge = readV3F1000(is);
wall_bottom.MaxEdge = readV3F1000(is);
wall_side.MinEdge = readV3F1000(is);
wall_side.MaxEdge = readV3F1000(is);
}
/*
MaterialSpec
*/
void MaterialSpec::serialize(std::ostream &os) const
{
os<<serializeString(tname);
writeU8(os, backface_culling);
}
void MaterialSpec::deSerialize(std::istream &is)
{
tname = deSerializeString(is);
backface_culling = readU8(is);
}
/*
ContentFeatures
*/
ContentFeatures::ContentFeatures()
{
reset();
}
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ContentFeatures::~ContentFeatures()
{
#ifndef SERVER
for(u16 j=0; j<CF_SPECIAL_COUNT; j++){
delete special_materials[j];
delete special_aps[j];
}
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#endif
}
void ContentFeatures::reset()
{
/*
Cached stuff
*/
#ifndef SERVER
inventory_texture = NULL;
for(u16 j=0; j<CF_SPECIAL_COUNT; j++){
special_materials[j] = NULL;
special_aps[j] = NULL;
}
solidness = 2;
visual_solidness = 0;
backface_culling = true;
#endif
used_texturenames.clear();
/*
Actual data
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NOTE: Most of this is always overridden by the default values given
in builtin.lua
*/
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name = "";
drawtype = NDT_NORMAL;
visual_scale = 1.0;
for(u32 i=0; i<6; i++)
tname_tiles[i] = "";
for(u16 j=0; j<CF_SPECIAL_COUNT; j++)
mspec_special[j] = MaterialSpec();
tname_inventory = "";
alpha = 255;
post_effect_color = video::SColor(0, 0, 0, 0);
param_type = CPT_NONE;
is_ground_content = false;
light_propagates = false;
sunlight_propagates = false;
walkable = true;
pointable = true;
diggable = true;
climbable = false;
buildable_to = false;
wall_mounted = false;
often_contains_mineral = false;
dug_item = "";
extra_dug_item = "";
extra_dug_item_rarity = 2;
metadata_name = "";
liquid_type = LIQUID_NONE;
liquid_alternative_flowing = "";
liquid_alternative_source = "";
liquid_viscosity = 0;
light_source = 0;
damage_per_second = 0;
selection_box = NodeBox();
material = MaterialProperties();
cookresult_item = ""; // Cannot be cooked
furnace_cooktime = 3.0;
furnace_burntime = -1.0; // Cannot be burned
}
void ContentFeatures::serialize(std::ostream &os)
{
writeU8(os, 0); // version
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os<<serializeString(name);
writeU8(os, drawtype);
writeF1000(os, visual_scale);
writeU8(os, 6);
for(u32 i=0; i<6; i++)
os<<serializeString(tname_tiles[i]);
os<<serializeString(tname_inventory);
writeU8(os, CF_SPECIAL_COUNT);
for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
mspec_special[i].serialize(os);
}
writeU8(os, alpha);
writeU8(os, post_effect_color.getAlpha());
writeU8(os, post_effect_color.getRed());
writeU8(os, post_effect_color.getGreen());
writeU8(os, post_effect_color.getBlue());
writeU8(os, param_type);
writeU8(os, is_ground_content);
writeU8(os, light_propagates);
writeU8(os, sunlight_propagates);
writeU8(os, walkable);
writeU8(os, pointable);
writeU8(os, diggable);
writeU8(os, climbable);
writeU8(os, buildable_to);
writeU8(os, wall_mounted);
writeU8(os, often_contains_mineral);
os<<serializeString(dug_item);
os<<serializeString(extra_dug_item);
writeS32(os, extra_dug_item_rarity);
os<<serializeString(metadata_name);
writeU8(os, liquid_type);
os<<serializeString(liquid_alternative_flowing);
os<<serializeString(liquid_alternative_source);
writeU8(os, liquid_viscosity);
writeU8(os, light_source);
writeU32(os, damage_per_second);
selection_box.serialize(os);
material.serialize(os);
os<<serializeString(cookresult_item);
writeF1000(os, furnace_cooktime);
writeF1000(os, furnace_burntime);
}
void ContentFeatures::deSerialize(std::istream &is, IGameDef *gamedef)
{
int version = readU8(is);
if(version != 0)
throw SerializationError("unsupported ContentFeatures version");
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name = deSerializeString(is);
drawtype = (enum NodeDrawType)readU8(is);
visual_scale = readF1000(is);
if(readU8(is) != 6)
throw SerializationError("unsupported tile count");
for(u32 i=0; i<6; i++)
tname_tiles[i] = deSerializeString(is);
tname_inventory = deSerializeString(is);
if(readU8(is) != CF_SPECIAL_COUNT)
throw SerializationError("unsupported CF_SPECIAL_COUNT");
for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
mspec_special[i].deSerialize(is);
}
alpha = readU8(is);
post_effect_color.setAlpha(readU8(is));
post_effect_color.setRed(readU8(is));
post_effect_color.setGreen(readU8(is));
post_effect_color.setBlue(readU8(is));
param_type = (enum ContentParamType)readU8(is);
is_ground_content = readU8(is);
light_propagates = readU8(is);
sunlight_propagates = readU8(is);
walkable = readU8(is);
pointable = readU8(is);
diggable = readU8(is);
climbable = readU8(is);
buildable_to = readU8(is);
wall_mounted = readU8(is);
often_contains_mineral = readU8(is);
dug_item = deSerializeString(is);
extra_dug_item = deSerializeString(is);
extra_dug_item_rarity = readS32(is);
metadata_name = deSerializeString(is);
liquid_type = (enum LiquidType)readU8(is);
liquid_alternative_flowing = deSerializeString(is);
liquid_alternative_source = deSerializeString(is);
liquid_viscosity = readU8(is);
light_source = readU8(is);
damage_per_second = readU32(is);
selection_box.deSerialize(is);
material.deSerialize(is);
cookresult_item = deSerializeString(is);
furnace_cooktime = readF1000(is);
furnace_burntime = readF1000(is);
}
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void ContentFeatures::setTexture(u16 i, std::string name)
{
used_texturenames.insert(name);
tname_tiles[i] = name;
if(tname_inventory == "")
tname_inventory = name;
}
void ContentFeatures::setAllTextures(std::string name)
{
for(u16 i=0; i<6; i++)
setTexture(i, name);
// Force inventory texture too
setInventoryTexture(name);
}
void ContentFeatures::setSpecialMaterial(u16 i, const MaterialSpec &mspec)
{
assert(i < CF_SPECIAL_COUNT);
mspec_special[i] = mspec;
}
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void ContentFeatures::setInventoryTexture(std::string imgname)
{
tname_inventory = imgname + "^[forcesingle";
}
void ContentFeatures::setInventoryTextureCube(std::string top,
std::string left, std::string right)
{
str_replace_char(top, '^', '&');
str_replace_char(left, '^', '&');
str_replace_char(right, '^', '&');
std::string imgname_full;
imgname_full += "[inventorycube{";
imgname_full += top;
imgname_full += "{";
imgname_full += left;
imgname_full += "{";
imgname_full += right;
tname_inventory = imgname_full;
}
/*
CNodeDefManager
*/
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class CNodeDefManager: public IWritableNodeDefManager
{
public:
void clear()
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{
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m_name_id_mapping.clear();
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for(u16 i=0; i<=MAX_CONTENT; i++)
{
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ContentFeatures &f = m_content_features[i];
f.reset(); // Reset to defaults
f.setAllTextures("unknown_block.png");
}
// Set CONTENT_AIR
{
ContentFeatures f;
f.name = "air";
f.drawtype = NDT_AIRLIKE;
f.param_type = CPT_LIGHT;
f.light_propagates = true;
f.sunlight_propagates = true;
f.walkable = false;
f.pointable = false;
f.diggable = false;
f.buildable_to = true;
// Insert directly into containers
content_t c = CONTENT_AIR;
m_content_features[c] = f;
m_name_id_mapping.set(c, f.name);
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}
// Set CONTENT_IGNORE
{
ContentFeatures f;
f.name = "ignore";
f.drawtype = NDT_AIRLIKE;
f.param_type = CPT_NONE;
f.light_propagates = false;
f.sunlight_propagates = false;
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f.walkable = false;
f.pointable = false;
f.diggable = false;
// A way to remove accidental CONTENT_IGNOREs
f.buildable_to = true;
// Insert directly into containers
content_t c = CONTENT_IGNORE;
m_content_features[c] = f;
m_name_id_mapping.set(c, f.name);
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}
}
// CONTENT_IGNORE = not found
content_t getFreeId(bool require_full_param2)
{
// If allowed, first search in the large 4-byte-param2 pool
if(!require_full_param2){
for(u16 i=0x800; i<=0xfff; i++){
const ContentFeatures &f = m_content_features[i];
if(f.name == "")
return i;
}
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}
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// Then search from the small 8-byte-param2 pool
for(u16 i=0; i<=125; i++){
const ContentFeatures &f = m_content_features[i];
if(f.name == "")
return i;
}
return CONTENT_IGNORE;
}
CNodeDefManager()
{
clear();
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}
virtual ~CNodeDefManager()
{
}
virtual IWritableNodeDefManager* clone()
{
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CNodeDefManager *mgr = new CNodeDefManager();
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for(u16 i=0; i<=MAX_CONTENT; i++)
{
mgr->set(i, get(i));
}
return mgr;
}
virtual const ContentFeatures& get(content_t c) const
{
assert(c <= MAX_CONTENT);
return m_content_features[c];
}
virtual const ContentFeatures& get(const MapNode &n) const
{
return get(n.getContent());
}
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virtual bool getId(const std::string &name, content_t &result) const
{
return m_name_id_mapping.getId(name, result);
}
virtual content_t getId(const std::string &name) const
{
content_t id = CONTENT_IGNORE;
getId(name, id);
return id;
}
virtual const ContentFeatures& get(const std::string &name) const
{
content_t id = CONTENT_IGNORE;
getId(name, id);
return get(id);
}
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// IWritableNodeDefManager
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virtual void set(content_t c, const ContentFeatures &def)
{
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infostream<<"registerNode: registering content id \""<<c
<<"\": name=\""<<def.name<<"\""<<std::endl;
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assert(c <= MAX_CONTENT);
// Don't allow redefining CONTENT_IGNORE (but allow air)
if(def.name == "ignore" || c == CONTENT_IGNORE){
infostream<<"registerNode: WARNING: Ignoring "
<<"CONTENT_IGNORE redefinition"<<std::endl;
return;
}
// Check that the special contents are not redefined as different id
// because it would mess up everything
if((def.name == "ignore" && c != CONTENT_IGNORE) ||
(def.name == "air" && c != CONTENT_AIR)){
errorstream<<"registerNode: IGNORING ERROR: "
<<"trying to register built-in type \""
<<def.name<<"\" as different id"<<std::endl;
return;
}
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m_content_features[c] = def;
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if(def.name != "")
m_name_id_mapping.set(c, def.name);
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}
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virtual content_t set(const std::string &name,
const ContentFeatures &def)
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{
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assert(name == def.name);
u16 id = CONTENT_IGNORE;
bool found = m_name_id_mapping.getId(name, id);
if(!found){
// Determine if full param2 is required
bool require_full_param2 = (
def.liquid_type == LIQUID_FLOWING
||
def.drawtype == NDT_FLOWINGLIQUID
||
def.drawtype == NDT_TORCHLIKE
||
def.drawtype == NDT_SIGNLIKE
);
// Get some id
id = getFreeId(require_full_param2);
if(id == CONTENT_IGNORE)
return CONTENT_IGNORE;
if(name != "")
m_name_id_mapping.set(id, name);
}
set(id, def);
return id;
}
virtual content_t allocateDummy(const std::string &name)
{
assert(name != "");
ContentFeatures f;
f.name = name;
f.setAllTextures("unknown_block.png");
return set(name, f);
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}
virtual void updateTextures(ITextureSource *tsrc)
{
#ifndef SERVER
infostream<<"CNodeDefManager::updateTextures(): Updating "
<<"textures in node definitions"<<std::endl;
bool new_style_water = g_settings->getBool("new_style_water");
bool new_style_leaves = g_settings->getBool("new_style_leaves");
bool opaque_water = g_settings->getBool("opaque_water");
for(u16 i=0; i<=MAX_CONTENT; i++)
{
ContentFeatures *f = &m_content_features[i];
switch(f->drawtype){
default:
case NDT_NORMAL:
f->solidness = 2;
break;
case NDT_AIRLIKE:
f->solidness = 0;
break;
case NDT_LIQUID:
assert(f->liquid_type == LIQUID_SOURCE);
if(opaque_water)
f->alpha = 255;
if(new_style_water){
f->solidness = 0;
} else {
f->solidness = 1;
if(f->alpha == 255)
f->solidness = 2;
}
break;
case NDT_FLOWINGLIQUID:
assert(f->liquid_type == LIQUID_FLOWING);
f->solidness = 0;
if(opaque_water)
f->alpha = 255;
break;
case NDT_GLASSLIKE:
f->solidness = 0;
f->visual_solidness = 1;
break;
case NDT_ALLFACES:
f->solidness = 0;
f->visual_solidness = 1;
break;
case NDT_ALLFACES_OPTIONAL:
if(new_style_leaves){
f->drawtype = NDT_ALLFACES;
f->solidness = 0;
f->visual_solidness = 1;
} else {
f->drawtype = NDT_NORMAL;
f->solidness = 1;
for(u32 i=0; i<6; i++){
f->tname_tiles[i] = f->tname_tiles[i]
+ std::string("^[noalpha");
}
}
break;
case NDT_TORCHLIKE:
case NDT_SIGNLIKE:
case NDT_PLANTLIKE:
case NDT_FENCELIKE:
case NDT_RAILLIKE:
f->solidness = 0;
break;
}
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// Inventory texture
if(f->tname_inventory != "")
f->inventory_texture = tsrc->getTextureRaw(f->tname_inventory);
else
f->inventory_texture = NULL;
// Tile textures
for(u16 j=0; j<6; j++){
if(f->tname_tiles[j] == "")
continue;
f->tiles[j].texture = tsrc->getTexture(f->tname_tiles[j]);
f->tiles[j].alpha = f->alpha;
if(f->alpha == 255)
f->tiles[j].material_type = MATERIAL_ALPHA_SIMPLE;
else
f->tiles[j].material_type = MATERIAL_ALPHA_VERTEX;
if(f->backface_culling)
f->tiles[j].material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
else
f->tiles[j].material_flags &= ~MATERIAL_FLAG_BACKFACE_CULLING;
}
// Special textures
for(u16 j=0; j<CF_SPECIAL_COUNT; j++){
// Remove all stuff
if(f->special_aps[j]){
delete f->special_aps[j];
f->special_aps[j] = NULL;
}
if(f->special_materials[j]){
delete f->special_materials[j];
f->special_materials[j] = NULL;
}
// Skip if should not exist
if(f->mspec_special[j].tname == "")
continue;
// Create all stuff
f->special_aps[j] = new AtlasPointer(
tsrc->getTexture(f->mspec_special[j].tname));
f->special_materials[j] = new video::SMaterial;
f->special_materials[j]->setFlag(video::EMF_LIGHTING, false);
f->special_materials[j]->setFlag(video::EMF_BACK_FACE_CULLING,
f->mspec_special[j].backface_culling);
f->special_materials[j]->setFlag(video::EMF_BILINEAR_FILTER, false);
f->special_materials[j]->setFlag(video::EMF_FOG_ENABLE, true);
f->special_materials[j]->setTexture(0, f->special_aps[j]->atlas);
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if(f->alpha != 255)
f->special_materials[j]->MaterialType =
video::EMT_TRANSPARENT_VERTEX_ALPHA;
}
}
#endif
}
void serialize(std::ostream &os)
{
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u16 count = 0;
std::ostringstream tmp_os(std::ios::binary);
for(u16 i=0; i<=MAX_CONTENT; i++)
{
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if(i == CONTENT_IGNORE || i == CONTENT_AIR)
continue;
ContentFeatures *f = &m_content_features[i];
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if(f->name == "")
continue;
writeU16(tmp_os, i);
f->serialize(tmp_os);
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count++;
}
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writeU16(os, count);
os<<serializeLongString(tmp_os.str());
}
void deSerialize(std::istream &is, IGameDef *gamedef)
{
clear();
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u16 count = readU16(is);
std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
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for(u16 n=0; n<count; n++){
u16 i = readU16(tmp_is);
if(i > MAX_CONTENT){
errorstream<<"ContentFeatures::deSerialize(): "
<<"Too large content id: "<<i<<std::endl;
continue;
}
/*// Do not deserialize special types
if(i == CONTENT_IGNORE || i == CONTENT_AIR)
continue;*/
ContentFeatures *f = &m_content_features[i];
f->deSerialize(tmp_is, gamedef);
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if(f->name != "")
m_name_id_mapping.set(i, f->name);
}
}
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private:
ContentFeatures m_content_features[MAX_CONTENT+1];
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NameIdMapping m_name_id_mapping;
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};
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IWritableNodeDefManager* createNodeDefManager()
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{
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return new CNodeDefManager();
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}