minetest/src/object_properties.cpp
2023-06-26 22:51:32 +02:00

248 lines
7.6 KiB
C++

/*
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
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 Lesser General Public License for more details.
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 "object_properties.h"
#include "irrlicht_changes/printing.h"
#include "irrlichttypes_bloated.h"
#include "exceptions.h"
#include "util/serialize.h"
#include <sstream>
static const video::SColor NULL_BGCOLOR{0, 1, 1, 1};
ObjectProperties::ObjectProperties()
{
textures.emplace_back("no_texture.png");
colors.emplace_back(255,255,255,255);
}
std::string ObjectProperties::dump()
{
std::ostringstream os(std::ios::binary);
os << "hp_max=" << hp_max;
os << ", breath_max=" << breath_max;
os << ", physical=" << physical;
os << ", collideWithObjects=" << collideWithObjects;
os << ", collisionbox=" << collisionbox.MinEdge << "," << collisionbox.MaxEdge;
os << ", visual=" << visual;
os << ", mesh=" << mesh;
os << ", visual_size=" << visual_size;
os << ", textures=[";
for (const std::string &texture : textures) {
os << "\"" << texture << "\" ";
}
os << "]";
os << ", colors=[";
for (const video::SColor &color : colors) {
os << "\"" << color.getAlpha() << "," << color.getRed() << ","
<< color.getGreen() << "," << color.getBlue() << "\" ";
}
os << "]";
os << ", spritediv=" << spritediv;
os << ", initial_sprite_basepos=" << initial_sprite_basepos;
os << ", is_visible=" << is_visible;
os << ", makes_footstep_sound=" << makes_footstep_sound;
os << ", automatic_rotate="<< automatic_rotate;
os << ", backface_culling="<< backface_culling;
os << ", glow=" << glow;
os << ", nametag=" << nametag;
os << ", nametag_color=" << "\"" << nametag_color.getAlpha() << "," << nametag_color.getRed()
<< "," << nametag_color.getGreen() << "," << nametag_color.getBlue() << "\" ";
if (nametag_bgcolor)
os << ", nametag_bgcolor=" << "\"" << nametag_color.getAlpha() << "," << nametag_color.getRed()
<< "," << nametag_color.getGreen() << "," << nametag_color.getBlue() << "\" ";
else
os << ", nametag_bgcolor=null ";
os << ", selectionbox=" << selectionbox.MinEdge << "," << selectionbox.MaxEdge;
os << ", rotate_selectionbox=" << rotate_selectionbox;
os << ", pointable=" << pointable;
os << ", static_save=" << static_save;
os << ", eye_height=" << eye_height;
os << ", zoom_fov=" << zoom_fov;
os << ", use_texture_alpha=" << use_texture_alpha;
os << ", damage_texture_modifier=" << damage_texture_modifier;
os << ", shaded=" << shaded;
os << ", show_on_minimap=" << show_on_minimap;
return os.str();
}
bool ObjectProperties::validate()
{
const char *func = "ObjectProperties::validate(): ";
bool ret = true;
// cf. where serializeString16 is used below
for (u32 i = 0; i < textures.size(); i++) {
if (textures[i].size() > U16_MAX) {
warningstream << func << "texture " << (i+1) << " has excessive length, "
"clearing it." << std::endl;
textures[i].clear();
ret = false;
}
}
if (nametag.length() > U16_MAX) {
warningstream << func << "nametag has excessive length, clearing it." << std::endl;
nametag.clear();
ret = false;
}
if (infotext.length() > U16_MAX) {
warningstream << func << "infotext has excessive length, clearing it." << std::endl;
infotext.clear();
ret = false;
}
if (wield_item.length() > U16_MAX) {
warningstream << func << "wield_item has excessive length, clearing it." << std::endl;
wield_item.clear();
ret = false;
}
return ret;
}
void ObjectProperties::serialize(std::ostream &os) const
{
writeU8(os, 4); // PROTOCOL_VERSION >= 37
writeU16(os, hp_max);
writeU8(os, physical);
writeF32(os, 0.f); // Removed property (weight)
writeV3F32(os, collisionbox.MinEdge);
writeV3F32(os, collisionbox.MaxEdge);
writeV3F32(os, selectionbox.MinEdge);
writeV3F32(os, selectionbox.MaxEdge);
writeU8(os, pointable);
os << serializeString16(visual);
writeV3F32(os, visual_size);
writeU16(os, textures.size());
for (const std::string &texture : textures) {
os << serializeString16(texture);
}
writeV2S16(os, spritediv);
writeV2S16(os, initial_sprite_basepos);
writeU8(os, is_visible);
writeU8(os, makes_footstep_sound);
writeF32(os, automatic_rotate);
os << serializeString16(mesh);
writeU16(os, colors.size());
for (video::SColor color : colors) {
writeARGB8(os, color);
}
writeU8(os, collideWithObjects);
writeF32(os, stepheight);
writeU8(os, automatic_face_movement_dir);
writeF32(os, automatic_face_movement_dir_offset);
writeU8(os, backface_culling);
os << serializeString16(nametag);
writeARGB8(os, nametag_color);
writeF32(os, automatic_face_movement_max_rotation_per_sec);
os << serializeString16(infotext);
os << serializeString16(wield_item);
writeS8(os, glow);
writeU16(os, breath_max);
writeF32(os, eye_height);
writeF32(os, zoom_fov);
writeU8(os, use_texture_alpha);
os << serializeString16(damage_texture_modifier);
writeU8(os, shaded);
writeU8(os, show_on_minimap);
if (!nametag_bgcolor)
writeARGB8(os, NULL_BGCOLOR);
else if (nametag_bgcolor.value().getAlpha() == 0)
writeARGB8(os, video::SColor(0, 0, 0, 0));
else
writeARGB8(os, nametag_bgcolor.value());
writeU8(os, rotate_selectionbox);
// Add stuff only at the bottom.
// Never remove anything, because we don't want new versions of this
}
void ObjectProperties::deSerialize(std::istream &is)
{
int version = readU8(is);
if (version != 4)
throw SerializationError("unsupported ObjectProperties version");
hp_max = readU16(is);
physical = readU8(is);
readU32(is); // removed property (weight)
collisionbox.MinEdge = readV3F32(is);
collisionbox.MaxEdge = readV3F32(is);
selectionbox.MinEdge = readV3F32(is);
selectionbox.MaxEdge = readV3F32(is);
pointable = readU8(is);
visual = deSerializeString16(is);
visual_size = readV3F32(is);
textures.clear();
u32 texture_count = readU16(is);
for (u32 i = 0; i < texture_count; i++){
textures.push_back(deSerializeString16(is));
}
spritediv = readV2S16(is);
initial_sprite_basepos = readV2S16(is);
is_visible = readU8(is);
makes_footstep_sound = readU8(is);
automatic_rotate = readF32(is);
mesh = deSerializeString16(is);
colors.clear();
u32 color_count = readU16(is);
for (u32 i = 0; i < color_count; i++){
colors.push_back(readARGB8(is));
}
collideWithObjects = readU8(is);
stepheight = readF32(is);
automatic_face_movement_dir = readU8(is);
automatic_face_movement_dir_offset = readF32(is);
backface_culling = readU8(is);
nametag = deSerializeString16(is);
nametag_color = readARGB8(is);
automatic_face_movement_max_rotation_per_sec = readF32(is);
infotext = deSerializeString16(is);
wield_item = deSerializeString16(is);
glow = readS8(is);
breath_max = readU16(is);
eye_height = readF32(is);
zoom_fov = readF32(is);
use_texture_alpha = readU8(is);
try {
damage_texture_modifier = deSerializeString16(is);
u8 tmp = readU8(is);
if (is.eof())
return;
shaded = tmp;
tmp = readU8(is);
if (is.eof())
return;
show_on_minimap = tmp;
auto bgcolor = readARGB8(is);
if (bgcolor != NULL_BGCOLOR)
nametag_bgcolor = bgcolor;
else
nametag_bgcolor = std::nullopt;
tmp = readU8(is);
if (is.eof())
return;
rotate_selectionbox = tmp;
} catch (SerializationError &e) {}
}