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nodedef.cpp
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nodedef.cpp
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/*
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 "nodedef.h"
#include "itemdef.h"
#ifndef SERVER
#include "client/mesh.h"
#include "client/shader.h"
#include "client/client.h"
#include "client/renderingengine.h"
#include "client/tile.h"
#include <IMeshManipulator.h>
#endif
#include "log.h"
#include "settings.h"
#include "nameidmapping.h"
#include "util/numeric.h"
#include "util/serialize.h"
#include "util/string.h"
#include "exceptions.h"
#include "debug.h"
#include "gamedef.h"
#include "mapnode.h"
#include <fstream> // Used in applyTextureOverrides()
#include <algorithm>
#include <cmath>
/*
NodeBox
*/
void NodeBox::reset()
{
type = NODEBOX_REGULAR;
// default is empty
fixed.clear();
// default is sign/ladder-like
wall_top = aabb3f(-BS/2, BS/2-BS/16., -BS/2, BS/2, BS/2, BS/2);
wall_bottom = aabb3f(-BS/2, -BS/2, -BS/2, BS/2, -BS/2+BS/16., BS/2);
wall_side = aabb3f(-BS/2, -BS/2, -BS/2, -BS/2+BS/16., BS/2, BS/2);
// no default for other parts
connected.reset();
}
void NodeBox::serialize(std::ostream &os, u16 protocol_version) const
{
writeU8(os, 6); // version. Protocol >= 36
switch (type) {
case NODEBOX_LEVELED:
case NODEBOX_FIXED:
writeU8(os, type);
writeU16(os, fixed.size());
for (const aabb3f &nodebox : fixed) {
writeV3F32(os, nodebox.MinEdge);
writeV3F32(os, nodebox.MaxEdge);
}
break;
case NODEBOX_WALLMOUNTED:
writeU8(os, type);
writeV3F32(os, wall_top.MinEdge);
writeV3F32(os, wall_top.MaxEdge);
writeV3F32(os, wall_bottom.MinEdge);
writeV3F32(os, wall_bottom.MaxEdge);
writeV3F32(os, wall_side.MinEdge);
writeV3F32(os, wall_side.MaxEdge);
break;
case NODEBOX_CONNECTED: {
writeU8(os, type);
#define WRITEBOX(box) \
writeU16(os, (box).size()); \
for (const aabb3f &i: (box)) { \
writeV3F32(os, i.MinEdge); \
writeV3F32(os, i.MaxEdge); \
};
const auto &c = getConnected();
WRITEBOX(fixed);
WRITEBOX(c.connect_top);
WRITEBOX(c.connect_bottom);
WRITEBOX(c.connect_front);
WRITEBOX(c.connect_left);
WRITEBOX(c.connect_back);
WRITEBOX(c.connect_right);
WRITEBOX(c.disconnected_top);
WRITEBOX(c.disconnected_bottom);
WRITEBOX(c.disconnected_front);
WRITEBOX(c.disconnected_left);
WRITEBOX(c.disconnected_back);
WRITEBOX(c.disconnected_right);
WRITEBOX(c.disconnected);
WRITEBOX(c.disconnected_sides);
break;
}
default:
writeU8(os, type);
break;
}
}
void NodeBox::deSerialize(std::istream &is)
{
if (readU8(is) < 6)
throw SerializationError("unsupported NodeBox version");
reset();
type = (enum NodeBoxType)readU8(is);
if(type == NODEBOX_FIXED || type == NODEBOX_LEVELED)
{
u16 fixed_count = readU16(is);
while(fixed_count--)
{
aabb3f box;
box.MinEdge = readV3F32(is);
box.MaxEdge = readV3F32(is);
fixed.push_back(box);
}
}
else if(type == NODEBOX_WALLMOUNTED)
{
wall_top.MinEdge = readV3F32(is);
wall_top.MaxEdge = readV3F32(is);
wall_bottom.MinEdge = readV3F32(is);
wall_bottom.MaxEdge = readV3F32(is);
wall_side.MinEdge = readV3F32(is);
wall_side.MaxEdge = readV3F32(is);
}
else if (type == NODEBOX_CONNECTED)
{
#define READBOXES(box) { \
count = readU16(is); \
(box).reserve(count); \
while (count--) { \
v3f min = readV3F32(is); \
v3f max = readV3F32(is); \
(box).emplace_back(min, max); }; }
u16 count;
auto &c = getConnected();
READBOXES(fixed);
READBOXES(c.connect_top);
READBOXES(c.connect_bottom);
READBOXES(c.connect_front);
READBOXES(c.connect_left);
READBOXES(c.connect_back);
READBOXES(c.connect_right);
READBOXES(c.disconnected_top);
READBOXES(c.disconnected_bottom);
READBOXES(c.disconnected_front);
READBOXES(c.disconnected_left);
READBOXES(c.disconnected_back);
READBOXES(c.disconnected_right);
READBOXES(c.disconnected);
READBOXES(c.disconnected_sides);
}
}
/*
TileDef
*/
#define TILE_FLAG_BACKFACE_CULLING (1 << 0)
#define TILE_FLAG_TILEABLE_HORIZONTAL (1 << 1)
#define TILE_FLAG_TILEABLE_VERTICAL (1 << 2)
#define TILE_FLAG_HAS_COLOR (1 << 3)
#define TILE_FLAG_HAS_SCALE (1 << 4)
#define TILE_FLAG_HAS_ALIGN_STYLE (1 << 5)
void TileDef::serialize(std::ostream &os, u16 protocol_version) const
{
// protocol_version >= 36
u8 version = 6;
writeU8(os, version);
if (protocol_version > 39) {
os << serializeString16(name);
} else {
// Before f018737, TextureSource::getTextureAverageColor did not handle
// missing textures. "[png" can be used as base texture, but is not known
// on older clients. Hence use "blank.png" to avoid this problem.
// To be forward-compatible with future base textures/modifiers,
// we apply the same prefix to any texture beginning with [,
// except for the ones that are supported on older clients.
bool pass_through = true;
if (!name.empty() && name[0] == '[') {
pass_through = str_starts_with(name, "[combine:") ||
str_starts_with(name, "[inventorycube{") ||
str_starts_with(name, "[lowpart:");
}
if (pass_through)
os << serializeString16(name);
else
os << serializeString16("blank.png^" + name);
}
animation.serialize(os, version);
bool has_scale = scale > 0;
u16 flags = 0;
if (backface_culling)
flags |= TILE_FLAG_BACKFACE_CULLING;
if (tileable_horizontal)
flags |= TILE_FLAG_TILEABLE_HORIZONTAL;
if (tileable_vertical)
flags |= TILE_FLAG_TILEABLE_VERTICAL;
if (has_color)
flags |= TILE_FLAG_HAS_COLOR;
if (has_scale)
flags |= TILE_FLAG_HAS_SCALE;
if (align_style != ALIGN_STYLE_NODE)
flags |= TILE_FLAG_HAS_ALIGN_STYLE;
writeU16(os, flags);
if (has_color) {
writeU8(os, color.getRed());
writeU8(os, color.getGreen());
writeU8(os, color.getBlue());
}
if (has_scale)
writeU8(os, scale);
if (align_style != ALIGN_STYLE_NODE)
writeU8(os, align_style);
}
void TileDef::deSerialize(std::istream &is, NodeDrawType drawtype, u16 protocol_version)
{
if (readU8(is) < 6)
throw SerializationError("unsupported TileDef version");
name = deSerializeString16(is);
animation.deSerialize(is, protocol_version);
u16 flags = readU16(is);
backface_culling = flags & TILE_FLAG_BACKFACE_CULLING;
tileable_horizontal = flags & TILE_FLAG_TILEABLE_HORIZONTAL;
tileable_vertical = flags & TILE_FLAG_TILEABLE_VERTICAL;
has_color = flags & TILE_FLAG_HAS_COLOR;
bool has_scale = flags & TILE_FLAG_HAS_SCALE;
bool has_align_style = flags & TILE_FLAG_HAS_ALIGN_STYLE;
if (has_color) {
color.setRed(readU8(is));
color.setGreen(readU8(is));
color.setBlue(readU8(is));
}
scale = has_scale ? readU8(is) : 0;
if (has_align_style)
align_style = static_cast<AlignStyle>(readU8(is));
else
align_style = ALIGN_STYLE_NODE;
}
void TextureSettings::readSettings()
{
connected_glass = g_settings->getBool("connected_glass");
opaque_water = g_settings->getBool("opaque_water");
bool smooth_lighting = g_settings->getBool("smooth_lighting");
enable_mesh_cache = g_settings->getBool("enable_mesh_cache");
enable_minimap = g_settings->getBool("enable_minimap");
node_texture_size = std::max<u16>(g_settings->getU16("texture_min_size"), 1);
std::string leaves_style_str = g_settings->get("leaves_style");
std::string world_aligned_mode_str = g_settings->get("world_aligned_mode");
std::string autoscale_mode_str = g_settings->get("autoscale_mode");
// Mesh cache is not supported in combination with smooth lighting
if (smooth_lighting)
enable_mesh_cache = false;
if (leaves_style_str == "fancy") {
leaves_style = LEAVES_FANCY;
} else if (leaves_style_str == "simple") {
leaves_style = LEAVES_SIMPLE;
} else {
leaves_style = LEAVES_OPAQUE;
}
if (world_aligned_mode_str == "enable")
world_aligned_mode = WORLDALIGN_ENABLE;
else if (world_aligned_mode_str == "force_solid")
world_aligned_mode = WORLDALIGN_FORCE;
else if (world_aligned_mode_str == "force_nodebox")
world_aligned_mode = WORLDALIGN_FORCE_NODEBOX;
else
world_aligned_mode = WORLDALIGN_DISABLE;
if (autoscale_mode_str == "enable")
autoscale_mode = AUTOSCALE_ENABLE;
else if (autoscale_mode_str == "force")
autoscale_mode = AUTOSCALE_FORCE;
else
autoscale_mode = AUTOSCALE_DISABLE;
}
/*
ContentFeatures
*/
ContentFeatures::ContentFeatures()
{
reset();
}
ContentFeatures::~ContentFeatures()
{
#ifndef SERVER
for (u16 j = 0; j < 6; j++) {
delete tiles[j].layers[0].frames;
delete tiles[j].layers[1].frames;
}
for (u16 j = 0; j < CF_SPECIAL_COUNT; j++)
delete special_tiles[j].layers[0].frames;
#endif
}
void ContentFeatures::reset()
{
/*
Cached stuff
*/
#ifndef SERVER
solidness = 2;
visual_solidness = 0;
backface_culling = true;
#endif
has_on_construct = false;
has_on_destruct = false;
has_after_destruct = false;
/*
Actual data
NOTE: Most of this is always overridden by the default values given
in builtin.lua
*/
name.clear();
groups.clear();
// Unknown nodes can be dug
groups["dig_immediate"] = 2;
drawtype = NDT_NORMAL;
mesh.clear();
#ifndef SERVER
for (auto &i : mesh_ptr)
i = NULL;
minimap_color = video::SColor(0, 0, 0, 0);
#endif
visual_scale = 1.0;
for (auto &i : tiledef)
i = TileDef();
for (auto &j : tiledef_special)
j = TileDef();
alpha = ALPHAMODE_OPAQUE;
post_effect_color = video::SColor(0, 0, 0, 0);
param_type = CPT_NONE;
param_type_2 = CPT2_NONE;
is_ground_content = false;
light_propagates = false;
sunlight_propagates = false;
walkable = true;
pointable = true;
diggable = true;
climbable = false;
buildable_to = false;
floodable = false;
rightclickable = true;
leveled = 0;
leveled_max = LEVELED_MAX;
liquid_type = LIQUID_NONE;
liquid_alternative_flowing.clear();
liquid_alternative_flowing_id = CONTENT_IGNORE;
liquid_alternative_source.clear();
liquid_alternative_source_id = CONTENT_IGNORE;
liquid_viscosity = 0;
liquid_renewable = true;
liquid_range = LIQUID_LEVEL_MAX+1;
drowning = 0;
light_source = 0;
damage_per_second = 0;
node_box.reset();
selection_box.reset();
collision_box.reset();
waving = 0;
legacy_facedir_simple = false;
legacy_wallmounted = false;
sound_footstep = SoundSpec();
sound_dig = SoundSpec("__group");
sound_dug = SoundSpec();
connects_to.clear();
connects_to_ids.clear();
connect_sides = 0;
color = video::SColor(0xFFFFFFFF);
palette_name.clear();
palette = NULL;
node_dig_prediction = "air";
move_resistance = 0;
liquid_move_physics = false;
post_effect_color_shaded = false;
}
void ContentFeatures::setAlphaFromLegacy(u8 legacy_alpha)
{
// No special handling for nodebox/mesh here as it doesn't make sense to
// throw warnings when the server is too old to support the "correct" way
switch (drawtype) {
case NDT_NORMAL:
alpha = legacy_alpha == 255 ? ALPHAMODE_OPAQUE : ALPHAMODE_CLIP;
break;
case NDT_LIQUID:
case NDT_FLOWINGLIQUID:
alpha = legacy_alpha == 255 ? ALPHAMODE_OPAQUE : ALPHAMODE_BLEND;
break;
default:
alpha = legacy_alpha == 255 ? ALPHAMODE_CLIP : ALPHAMODE_BLEND;
break;
}
}
u8 ContentFeatures::getAlphaForLegacy() const
{
// This is so simple only because 255 and 0 mean wildly different things
// depending on drawtype...
return alpha == ALPHAMODE_OPAQUE ? 255 : 0;
}
void ContentFeatures::serialize(std::ostream &os, u16 protocol_version) const
{
writeU8(os, CONTENTFEATURES_VERSION);
// general
os << serializeString16(name);
writeU16(os, groups.size());
for (const auto &group : groups) {
os << serializeString16(group.first);
if (protocol_version < 41 && group.first.compare("bouncy") == 0) {
// Old clients may choke on negative bouncy value
writeS16(os, abs(group.second));
} else {
writeS16(os, group.second);
}
}
writeU8(os, param_type);
writeU8(os, param_type_2);
// visual
writeU8(os, drawtype);
os << serializeString16(mesh);
writeF32(os, visual_scale);
writeU8(os, 6);
for (const TileDef &td : tiledef)
td.serialize(os, protocol_version);
for (const TileDef &td : tiledef_overlay)
td.serialize(os, protocol_version);
writeU8(os, CF_SPECIAL_COUNT);
for (const TileDef &td : tiledef_special) {
td.serialize(os, protocol_version);
}
writeU8(os, getAlphaForLegacy());
writeU8(os, color.getRed());
writeU8(os, color.getGreen());
writeU8(os, color.getBlue());
os << serializeString16(palette_name);
writeU8(os, waving);
writeU8(os, connect_sides);
writeU16(os, connects_to_ids.size());
for (u16 connects_to_id : connects_to_ids)
writeU16(os, connects_to_id);
writeARGB8(os, post_effect_color);
writeU8(os, leveled);
// lighting
writeU8(os, light_propagates);
writeU8(os, sunlight_propagates);
writeU8(os, light_source);
// map generation
writeU8(os, is_ground_content);
// interaction
writeU8(os, walkable);
writeU8(os, pointable);
writeU8(os, diggable);
writeU8(os, climbable);
writeU8(os, buildable_to);
writeU8(os, rightclickable);
writeU32(os, damage_per_second);
// liquid
LiquidType liquid_type_bc = liquid_type;
if (protocol_version <= 39) {
// Since commit 7f25823, liquid drawtypes can be used even with LIQUID_NONE
// solution: force liquid type accordingly to accepted values
if (drawtype == NDT_LIQUID)
liquid_type_bc = LIQUID_SOURCE;
else if (drawtype == NDT_FLOWINGLIQUID)
liquid_type_bc = LIQUID_FLOWING;
}
writeU8(os, liquid_type_bc);
os << serializeString16(liquid_alternative_flowing);
os << serializeString16(liquid_alternative_source);
writeU8(os, liquid_viscosity);
writeU8(os, liquid_renewable);
writeU8(os, liquid_range);
writeU8(os, drowning);
writeU8(os, floodable);
// node boxes
node_box.serialize(os, protocol_version);
selection_box.serialize(os, protocol_version);
collision_box.serialize(os, protocol_version);
// sound
sound_footstep.serializeSimple(os, protocol_version);
sound_dig.serializeSimple(os, protocol_version);
sound_dug.serializeSimple(os, protocol_version);
// legacy
writeU8(os, legacy_facedir_simple);
writeU8(os, legacy_wallmounted);
// new attributes
os << serializeString16(node_dig_prediction);
writeU8(os, leveled_max);
writeU8(os, alpha);
writeU8(os, move_resistance);
writeU8(os, liquid_move_physics);
writeU8(os, post_effect_color_shaded);
}
void ContentFeatures::deSerialize(std::istream &is, u16 protocol_version)
{
if (readU8(is) < CONTENTFEATURES_VERSION)
throw SerializationError("unsupported ContentFeatures version");
// general
name = deSerializeString16(is);
groups.clear();
u32 groups_size = readU16(is);
for (u32 i = 0; i < groups_size; i++) {
std::string name = deSerializeString16(is);
int value = readS16(is);
groups[name] = value;
}
param_type = (enum ContentParamType) readU8(is);
param_type_2 = (enum ContentParamType2) readU8(is);
// visual
drawtype = (enum NodeDrawType) readU8(is);
mesh = deSerializeString16(is);
visual_scale = readF32(is);
if (readU8(is) != 6)
throw SerializationError("unsupported tile count");
for (TileDef &td : tiledef)
td.deSerialize(is, drawtype, protocol_version);
for (TileDef &td : tiledef_overlay)
td.deSerialize(is, drawtype, protocol_version);
if (readU8(is) != CF_SPECIAL_COUNT)
throw SerializationError("unsupported CF_SPECIAL_COUNT");
for (TileDef &td : tiledef_special)
td.deSerialize(is, drawtype, protocol_version);
setAlphaFromLegacy(readU8(is));
color.setRed(readU8(is));
color.setGreen(readU8(is));
color.setBlue(readU8(is));
palette_name = deSerializeString16(is);
waving = readU8(is);
connect_sides = readU8(is);
u16 connects_to_size = readU16(is);
connects_to_ids.clear();
for (u16 i = 0; i < connects_to_size; i++)
connects_to_ids.push_back(readU16(is));
post_effect_color = readARGB8(is);
leveled = readU8(is);
// lighting-related
light_propagates = readU8(is);
sunlight_propagates = readU8(is);
light_source = readU8(is);
light_source = MYMIN(light_source, LIGHT_MAX);
// map generation
is_ground_content = readU8(is);
// interaction
walkable = readU8(is);
pointable = readU8(is);
diggable = readU8(is);
climbable = readU8(is);
buildable_to = readU8(is);
rightclickable = readU8(is);
damage_per_second = readU32(is);
// liquid
liquid_type = (enum LiquidType) readU8(is);
liquid_move_physics = liquid_type != LIQUID_NONE;
liquid_alternative_flowing = deSerializeString16(is);
liquid_alternative_source = deSerializeString16(is);
liquid_viscosity = readU8(is);
move_resistance = liquid_viscosity; // set default move_resistance
liquid_renewable = readU8(is);
liquid_range = readU8(is);
drowning = readU8(is);
floodable = readU8(is);
// node boxes
node_box.deSerialize(is);
selection_box.deSerialize(is);
collision_box.deSerialize(is);
// sounds
sound_footstep.deSerializeSimple(is, protocol_version);
sound_dig.deSerializeSimple(is, protocol_version);
sound_dug.deSerializeSimple(is, protocol_version);
// read legacy properties
legacy_facedir_simple = readU8(is);
legacy_wallmounted = readU8(is);
try {
node_dig_prediction = deSerializeString16(is);
u8 tmp = readU8(is);
if (is.eof()) /* readU8 doesn't throw exceptions so we have to do this */
throw SerializationError("");
leveled_max = tmp;
tmp = readU8(is);
if (is.eof())
throw SerializationError("");
alpha = static_cast<enum AlphaMode>(tmp);
tmp = readU8(is);
if (is.eof())
throw SerializationError("");
move_resistance = tmp;
tmp = readU8(is);
if (is.eof())
throw SerializationError("");
liquid_move_physics = tmp;
tmp = readU8(is);
if (is.eof())
throw SerializationError("");
post_effect_color_shaded = tmp;
} catch(SerializationError &e) {};
}
#ifndef SERVER
static void fillTileAttribs(ITextureSource *tsrc, TileLayer *layer,
const TileSpec &tile, const TileDef &tiledef, video::SColor color,
u8 material_type, u32 shader_id, bool backface_culling,
const TextureSettings &tsettings)
{
layer->shader_id = shader_id;
layer->texture = tsrc->getTextureForMesh(tiledef.name, &layer->texture_id);
layer->material_type = material_type;
bool has_scale = tiledef.scale > 0;
bool use_autoscale = tsettings.autoscale_mode == AUTOSCALE_FORCE ||
(tsettings.autoscale_mode == AUTOSCALE_ENABLE && !has_scale);
if (use_autoscale && layer->texture) {
auto texture_size = layer->texture->getOriginalSize();
float base_size = tsettings.node_texture_size;
float size = std::fmin(texture_size.Width, texture_size.Height);
layer->scale = std::fmax(base_size, size) / base_size;
} else if (has_scale) {
layer->scale = tiledef.scale;
} else {
layer->scale = 1;
}
if (!tile.world_aligned)
layer->scale = 1;
layer->flags_texture = tsrc->getShaderFlagsTexture(layer->normal_texture ? true : false);
// Material flags
layer->material_flags = 0;
if (backface_culling)
layer->material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
if (tiledef.animation.type != TAT_NONE)
layer->material_flags |= MATERIAL_FLAG_ANIMATION;
if (tiledef.tileable_horizontal)
layer->material_flags |= MATERIAL_FLAG_TILEABLE_HORIZONTAL;
if (tiledef.tileable_vertical)
layer->material_flags |= MATERIAL_FLAG_TILEABLE_VERTICAL;
// Color
layer->has_color = tiledef.has_color;
if (tiledef.has_color)
layer->color = tiledef.color;
else
layer->color = color;
// Animation parameters
int frame_count = 1;
if (layer->material_flags & MATERIAL_FLAG_ANIMATION) {
assert(layer->texture);
int frame_length_ms;
tiledef.animation.determineParams(layer->texture->getOriginalSize(),
&frame_count, &frame_length_ms, NULL);
layer->animation_frame_count = frame_count;
layer->animation_frame_length_ms = frame_length_ms;
}
if (frame_count == 1) {
layer->material_flags &= ~MATERIAL_FLAG_ANIMATION;
} else {
assert(layer->texture);
if (!layer->frames)
layer->frames = new std::vector<FrameSpec>();
layer->frames->resize(frame_count);
std::ostringstream os(std::ios::binary);
for (int i = 0; i < frame_count; i++) {
FrameSpec frame;
os.str("");
os << tiledef.name;
tiledef.animation.getTextureModifer(os,
layer->texture->getOriginalSize(), i);
frame.texture = tsrc->getTextureForMesh(os.str(), &frame.texture_id);
if (layer->normal_texture)
frame.normal_texture = tsrc->getNormalTexture(os.str());
frame.flags_texture = layer->flags_texture;
(*layer->frames)[i] = frame;
}
}
}
bool ContentFeatures::textureAlphaCheck(ITextureSource *tsrc, const TileDef *tiles, int length)
{
video::IVideoDriver *driver = RenderingEngine::get_video_driver();
static thread_local bool long_warning_printed = false;
std::set<std::string> seen;
for (int i = 0; i < length; i++) {
if (seen.find(tiles[i].name) != seen.end())
continue;
seen.insert(tiles[i].name);
// Load the texture and see if there's any transparent pixels
video::ITexture *texture = tsrc->getTexture(tiles[i].name);
video::IImage *image = driver->createImage(texture,
core::position2d<s32>(0, 0), texture->getOriginalSize());
if (!image)
continue;
core::dimension2d<u32> dim = image->getDimension();
bool ok = true;
for (u16 x = 0; x < dim.Width; x++) {
for (u16 y = 0; y < dim.Height; y++) {
if (image->getPixel(x, y).getAlpha() < 255) {
ok = false;
goto break_loop;
}
}
}
break_loop:
image->drop();
if (ok)
continue;
warningstream << "Texture \"" << tiles[i].name << "\" of "
<< name << " has transparency, assuming "
"use_texture_alpha = \"clip\"." << std::endl;
if (!long_warning_printed) {
warningstream << " This warning can be a false-positive if "
"unused pixels in the texture are transparent. However if "
"it is meant to be transparent, you *MUST* update the "
"nodedef and set use_texture_alpha = \"clip\"! This "
"compatibility code will be removed in a few releases."
<< std::endl;
long_warning_printed = true;
}
return true;
}
return false;
}
bool isWorldAligned(AlignStyle style, WorldAlignMode mode, NodeDrawType drawtype)
{
if (style == ALIGN_STYLE_WORLD)
return true;
if (mode == WORLDALIGN_DISABLE)
return false;
if (style == ALIGN_STYLE_USER_DEFINED)
return true;
if (drawtype == NDT_NORMAL)
return mode >= WORLDALIGN_FORCE;
if (drawtype == NDT_NODEBOX)
return mode >= WORLDALIGN_FORCE_NODEBOX;
return false;
}
void ContentFeatures::updateTextures(ITextureSource *tsrc, IShaderSource *shdsrc,
scene::IMeshManipulator *meshmanip, Client *client, const TextureSettings &tsettings)
{
// minimap pixel color - the average color of a texture
if (tsettings.enable_minimap && !tiledef[0].name.empty())
minimap_color = tsrc->getTextureAverageColor(tiledef[0].name);
// Figure out the actual tiles to use
TileDef tdef[6];
for (u32 j = 0; j < 6; j++) {
tdef[j] = tiledef[j];
if (tdef[j].name.empty()) {
tdef[j].name = "no_texture.png";
tdef[j].backface_culling = false;
}
}
// also the overlay tiles
TileDef tdef_overlay[6];
for (u32 j = 0; j < 6; j++)
tdef_overlay[j] = tiledef_overlay[j];
// also the special tiles
TileDef tdef_spec[6];
for (u32 j = 0; j < CF_SPECIAL_COUNT; j++) {
tdef_spec[j] = tiledef_special[j];
}
bool is_liquid = false;
if (alpha == ALPHAMODE_LEGACY_COMPAT) {
// Before working with the alpha mode, resolve any legacy kludges
alpha = textureAlphaCheck(tsrc, tdef, 6) ? ALPHAMODE_CLIP : ALPHAMODE_OPAQUE;
}
MaterialType material_type = alpha == ALPHAMODE_OPAQUE ?
TILE_MATERIAL_OPAQUE : (alpha == ALPHAMODE_CLIP ? TILE_MATERIAL_BASIC :
TILE_MATERIAL_ALPHA);
switch (drawtype) {
default:
case NDT_NORMAL:
solidness = 2;
break;
case NDT_AIRLIKE:
solidness = 0;
break;
case NDT_LIQUID:
if (tsettings.opaque_water)
alpha = ALPHAMODE_OPAQUE;
solidness = 1;
is_liquid = true;
break;
case NDT_FLOWINGLIQUID:
solidness = 0;
if (tsettings.opaque_water)
alpha = ALPHAMODE_OPAQUE;
is_liquid = true;
break;
case NDT_GLASSLIKE:
solidness = 0;
visual_solidness = 1;
break;
case NDT_GLASSLIKE_FRAMED:
solidness = 0;
visual_solidness = 1;
break;
case NDT_GLASSLIKE_FRAMED_OPTIONAL:
solidness = 0;
visual_solidness = 1;
drawtype = tsettings.connected_glass ? NDT_GLASSLIKE_FRAMED : NDT_GLASSLIKE;
break;
case NDT_ALLFACES:
solidness = 0;
visual_solidness = 1;
break;
case NDT_ALLFACES_OPTIONAL:
if (tsettings.leaves_style == LEAVES_FANCY) {
drawtype = NDT_ALLFACES;
solidness = 0;
visual_solidness = 1;
} else if (tsettings.leaves_style == LEAVES_SIMPLE) {
for (u32 j = 0; j < 6; j++) {
if (!tdef_spec[j].name.empty())
tdef[j].name = tdef_spec[j].name;
}
drawtype = NDT_GLASSLIKE;
solidness = 0;
visual_solidness = 1;
} else {
if (waving >= 1) {
// waving nodes must make faces so there are no gaps
drawtype = NDT_ALLFACES;
solidness = 0;
visual_solidness = 1;
} else {
drawtype = NDT_NORMAL;
solidness = 2;
}
for (TileDef &td : tdef)
td.name += std::string("^[noalpha");
}
if (waving >= 1)
material_type = TILE_MATERIAL_WAVING_LEAVES;
break;
case NDT_PLANTLIKE:
solidness = 0;
if (waving >= 1)
material_type = TILE_MATERIAL_WAVING_PLANTS;
break;
case NDT_FIRELIKE:
solidness = 0;
break;
case NDT_MESH:
case NDT_NODEBOX:
solidness = 0;
if (waving == 1) {
material_type = TILE_MATERIAL_WAVING_PLANTS;
} else if (waving == 2) {
material_type = TILE_MATERIAL_WAVING_LEAVES;
} else if (waving == 3) {
material_type = alpha == ALPHAMODE_OPAQUE ?
TILE_MATERIAL_WAVING_LIQUID_OPAQUE : (alpha == ALPHAMODE_CLIP ?
TILE_MATERIAL_WAVING_LIQUID_BASIC : TILE_MATERIAL_WAVING_LIQUID_TRANSPARENT);
}
break;
case NDT_TORCHLIKE:
case NDT_SIGNLIKE:
case NDT_FENCELIKE:
case NDT_RAILLIKE:
solidness = 0;
break;
case NDT_PLANTLIKE_ROOTED:
solidness = 2;
break;
}
if (is_liquid) {
if (waving == 3) {
material_type = alpha == ALPHAMODE_OPAQUE ?
TILE_MATERIAL_WAVING_LIQUID_OPAQUE : (alpha == ALPHAMODE_CLIP ?
TILE_MATERIAL_WAVING_LIQUID_BASIC : TILE_MATERIAL_WAVING_LIQUID_TRANSPARENT);
} else {
material_type = alpha == ALPHAMODE_OPAQUE ? TILE_MATERIAL_LIQUID_OPAQUE :
TILE_MATERIAL_LIQUID_TRANSPARENT;
}
}
u32 tile_shader = shdsrc->getShader("nodes_shader", material_type, drawtype);
MaterialType overlay_material = material_type;
if (overlay_material == TILE_MATERIAL_OPAQUE)
overlay_material = TILE_MATERIAL_BASIC;
else if (overlay_material == TILE_MATERIAL_LIQUID_OPAQUE)
overlay_material = TILE_MATERIAL_LIQUID_TRANSPARENT;
u32 overlay_shader = shdsrc->getShader("nodes_shader", overlay_material, drawtype);
// Tiles (fill in f->tiles[])
for (u16 j = 0; j < 6; j++) {
tiles[j].world_aligned = isWorldAligned(tdef[j].align_style,
tsettings.world_aligned_mode, drawtype);
fillTileAttribs(tsrc, &tiles[j].layers[0], tiles[j], tdef[j],
color, material_type, tile_shader,
tdef[j].backface_culling, tsettings);
if (!tdef_overlay[j].name.empty())
fillTileAttribs(tsrc, &tiles[j].layers[1], tiles[j], tdef_overlay[j],
color, overlay_material, overlay_shader,
tdef[j].backface_culling, tsettings);
}
MaterialType special_material = material_type;
if (drawtype == NDT_PLANTLIKE_ROOTED) {
if (waving == 1)
special_material = TILE_MATERIAL_WAVING_PLANTS;
else if (waving == 2)
special_material = TILE_MATERIAL_WAVING_LEAVES;
}
u32 special_shader = shdsrc->getShader("nodes_shader", special_material, drawtype);
// Special tiles (fill in f->special_tiles[])
for (u16 j = 0; j < CF_SPECIAL_COUNT; j++)
fillTileAttribs(tsrc, &special_tiles[j].layers[0], special_tiles[j], tdef_spec[j],
color, special_material, special_shader,
tdef_spec[j].backface_culling, tsettings);
if (param_type_2 == CPT2_COLOR ||