#include "common_irrlicht.h"
#include "mapnode.h"
-#include "tile.h"
#include "porting.h"
#include <string>
#include "mineral.h"
-// For g_settings
-#include "main.h"
-#include "content_mapnode.h"
-#include "nodemetadata.h"
+#include "main.h" // For g_settings
+#include "mapnode_contentfeatures.h"
+#include "content_mapnode.h" // For mapnode_translate_*_internal
-ContentFeatures::~ContentFeatures()
+/*
+ Nodes make a face if contents differ and solidness differs.
+ Return value:
+ 0: No face
+ 1: Face uses m1's content
+ 2: Face uses m2's content
+ equivalent: Whether the blocks share the same face (eg. water and glass)
+*/
+u8 face_contents(content_t m1, content_t m2, bool *equivalent)
{
- if(translate_to)
- delete translate_to;
- if(initial_metadata)
- delete initial_metadata;
-}
+ *equivalent = false;
-void ContentFeatures::setTexture(u16 i, std::string name, u8 alpha)
-{
- if(g_texturesource)
- {
- tiles[i].texture = g_texturesource->getTexture(name);
- }
+ if(m1 == CONTENT_IGNORE || m2 == CONTENT_IGNORE)
+ return 0;
- if(alpha != 255)
- {
- tiles[i].alpha = alpha;
- tiles[i].material_type = MATERIAL_ALPHA_VERTEX;
- }
-
- if(inventory_texture == NULL)
- setInventoryTexture(name);
-}
-
-void ContentFeatures::setInventoryTexture(std::string imgname)
-{
- if(g_texturesource == NULL)
- return;
+ bool contents_differ = (m1 != m2);
- imgname += "^[forcesingle";
+ // Contents don't differ for different forms of same liquid
+ if(content_liquid(m1) && content_liquid(m2)
+ && make_liquid_flowing(m1) == make_liquid_flowing(m2))
+ contents_differ = false;
- inventory_texture = g_texturesource->getTextureRaw(imgname);
-}
+ u8 c1 = content_solidness(m1);
+ u8 c2 = content_solidness(m2);
-void ContentFeatures::setInventoryTextureCube(std::string top,
- std::string left, std::string right)
-{
- if(g_texturesource == NULL)
- return;
-
- str_replace_char(top, '^', '&');
- str_replace_char(left, '^', '&');
- str_replace_char(right, '^', '&');
+ bool solidness_differs = (c1 != c2);
+ bool makes_face = contents_differ && solidness_differs;
- std::string imgname_full;
- imgname_full += "[inventorycube{";
- imgname_full += top;
- imgname_full += "{";
- imgname_full += left;
- imgname_full += "{";
- imgname_full += right;
- inventory_texture = g_texturesource->getTextureRaw(imgname_full);
-}
-
-struct ContentFeatures g_content_features[256];
-
-ContentFeatures & content_features(u8 i)
-{
- return g_content_features[i];
-}
-
-/*
- See mapnode.h for description.
-*/
-void init_mapnode()
-{
- if(g_texturesource == NULL)
- {
- dstream<<"INFO: Initial run of init_mapnode with "
- "g_texturesource=NULL. If this segfaults, "
- "there is a bug with something not checking for "
- "the NULL value."<<std::endl;
- }
- else
- {
- dstream<<"INFO: Full run of init_mapnode with "
- "g_texturesource!=NULL"<<std::endl;
- }
-
- /*// Read some settings
- bool new_style_water = g_settings.getBool("new_style_water");
- bool new_style_leaves = g_settings.getBool("new_style_leaves");*/
-
- /*
- Initialize content feature table
- */
+ if(makes_face == false)
+ return 0;
- /*
- Set initial material type to same in all tiles, so that the
- same material can be used in more stuff.
- This is set according to the leaves because they are the only
- differing material to which all materials can be changed to
- get this optimization.
- */
- u8 initial_material_type = MATERIAL_ALPHA_SIMPLE;
- /*if(new_style_leaves)
- initial_material_type = MATERIAL_ALPHA_SIMPLE;
- else
- initial_material_type = MATERIAL_ALPHA_NONE;*/
- for(u16 i=0; i<256; i++)
- {
- ContentFeatures *f = &g_content_features[i];
- // Re-initialize
- f->reset();
-
- for(u16 j=0; j<6; j++)
- f->tiles[j].material_type = initial_material_type;
+ if(c1 == 0)
+ c1 = content_features(m1).visual_solidness;
+ if(c2 == 0)
+ c2 = content_features(m2).visual_solidness;
+
+ if(c1 == c2){
+ *equivalent = true;
+ // If same solidness, liquid takes precense
+ if(content_features(m1).liquid_type != LIQUID_NONE)
+ return 1;
+ if(content_features(m2).liquid_type != LIQUID_NONE)
+ return 2;
}
-
- /*
- Initialize mapnode content
- */
- content_mapnode_init();
+ if(c1 > c2)
+ return 1;
+ else
+ return 2;
}
v3s16 facedir_rotate(u8 facedir, v3s16 dir)
return newdir;
}
+u8 packDir(v3s16 dir)
+{
+ u8 b = 0;
+
+ if(dir.X > 0)
+ b |= (1<<0);
+ else if(dir.X < 0)
+ b |= (1<<1);
+
+ if(dir.Y > 0)
+ b |= (1<<2);
+ else if(dir.Y < 0)
+ b |= (1<<3);
+
+ if(dir.Z > 0)
+ b |= (1<<4);
+ else if(dir.Z < 0)
+ b |= (1<<5);
+
+ return b;
+}
+v3s16 unpackDir(u8 b)
+{
+ v3s16 d(0,0,0);
+
+ if(b & (1<<0))
+ d.X = 1;
+ else if(b & (1<<1))
+ d.X = -1;
+
+ if(b & (1<<2))
+ d.Y = 1;
+ else if(b & (1<<3))
+ d.Y = -1;
+
+ if(b & (1<<4))
+ d.Z = 1;
+ else if(b & (1<<5))
+ d.Z = -1;
+
+ return d;
+}
+
+/*
+ MapNode
+*/
+
+// These four are DEPRECATED.
+bool MapNode::light_propagates()
+{
+ return light_propagates_content(getContent());
+}
+bool MapNode::sunlight_propagates()
+{
+ return sunlight_propagates_content(getContent());
+}
+u8 MapNode::solidness()
+{
+ return content_solidness(getContent());
+}
+u8 MapNode::light_source()
+{
+ return content_features(*this).light_source;
+}
+
+void MapNode::setLight(enum LightBank bank, u8 a_light)
+{
+ // If node doesn't contain light data, ignore this
+ if(content_features(*this).param_type != CPT_LIGHT)
+ return;
+ if(bank == LIGHTBANK_DAY)
+ {
+ param1 &= 0xf0;
+ param1 |= a_light & 0x0f;
+ }
+ else if(bank == LIGHTBANK_NIGHT)
+ {
+ param1 &= 0x0f;
+ param1 |= (a_light & 0x0f)<<4;
+ }
+ else
+ assert(0);
+}
+
+u8 MapNode::getLight(enum LightBank bank)
+{
+ // Select the brightest of [light source, propagated light]
+ u8 light = 0;
+ if(content_features(*this).param_type == CPT_LIGHT)
+ {
+ if(bank == LIGHTBANK_DAY)
+ light = param1 & 0x0f;
+ else if(bank == LIGHTBANK_NIGHT)
+ light = (param1>>4)&0x0f;
+ else
+ assert(0);
+ }
+ if(light_source() > light)
+ light = light_source();
+ return light;
+}
+
+u8 MapNode::getLightBanksWithSource()
+{
+ // Select the brightest of [light source, propagated light]
+ u8 lightday = 0;
+ u8 lightnight = 0;
+ if(content_features(*this).param_type == CPT_LIGHT)
+ {
+ lightday = param1 & 0x0f;
+ lightnight = (param1>>4)&0x0f;
+ }
+ if(light_source() > lightday)
+ lightday = light_source();
+ if(light_source() > lightnight)
+ lightnight = light_source();
+ return (lightday&0x0f) | ((lightnight<<4)&0xf0);
+}
+
+#ifndef SERVER
TileSpec MapNode::getTile(v3s16 dir)
{
- if(content_features(d).param_type == CPT_FACEDIR_SIMPLE)
+ if(content_features(*this).param_type == CPT_FACEDIR_SIMPLE)
dir = facedir_rotate(param1, dir);
TileSpec spec;
if(dir_i == -1)
// Non-directional
- spec = content_features(d).tiles[0];
+ spec = content_features(*this).tiles[0];
else
- spec = content_features(d).tiles[dir_i];
+ spec = content_features(*this).tiles[dir_i];
/*
If it contains some mineral, change texture id
*/
- if(content_features(d).param_type == CPT_MINERAL && g_texturesource)
+ if(content_features(*this).param_type == CPT_MINERAL && g_texturesource)
{
- u8 mineral = param & 0x1f;
+ u8 mineral = getMineral();
std::string mineral_texture_name = mineral_block_texture(mineral);
if(mineral_texture_name != "")
{
return spec;
}
+#endif
u8 MapNode::getMineral()
{
- if(content_features(d).param_type == CPT_MINERAL)
+ if(content_features(*this).param_type == CPT_MINERAL)
{
- return param & 0x1f;
+ return param1 & 0x0f;
}
return MINERAL_NONE;
}
+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
+ return 3;
+}
+void MapNode::serialize(u8 *dest, u8 version)
+{
+ if(!ser_ver_supported(version))
+ throw VersionMismatchException("ERROR: MapNode format not supported");
+
+ // 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(u8 *source, u8 version)
+{
+ if(!ser_ver_supported(version))
+ throw VersionMismatchException("ERROR: MapNode format not supported");
+
+ if(version == 0)
+ {
+ param0 = source[0];
+ }
+ else if(version == 1)
+ {
+ param0 = source[0];
+ // This version doesn't support saved lighting
+ if(light_propagates() || light_source() > 0)
+ param1 = 0;
+ else
+ param1 = source[1];
+ }
+ else if(version <= 9)
+ {
+ param0 = source[0];
+ param1 = source[1];
+ }
+ else
+ {
+ param0 = source[0];
+ param1 = source[1];
+ param2 = source[2];
+ }
+
+ // Convert special values from old version to new
+ if(version <= 18)
+ {
+ // In these versions, CONTENT_IGNORE and CONTENT_AIR
+ // are 255 and 254
+ if(param0 == 255)
+ param0 = CONTENT_IGNORE;
+ else if(param0 == 254)
+ param0 = CONTENT_AIR;
+ }
+ // version 19 is fucked up with sometimes the old values and sometimes not
+ if(version == 19)
+ {
+ if(param0 == 255)
+ param0 = CONTENT_IGNORE;
+ else if(param0 == 254)
+ param0 = CONTENT_AIR;
+ }
+
+ // Translate to our known version
+ *this = mapnode_translate_to_internal(*this, version);
+}
+
+/*
+ Gets lighting value at face of node
+
+ Parameters must consist of air and !air.
+ Order doesn't matter.
+
+ If either of the nodes doesn't exist, light is 0.
+
+ parameters:
+ daynight_ratio: 0...1000
+ n: getNode(p) (uses only the lighting value)
+ n2: getNode(p + face_dir) (uses only the lighting value)
+ face_dir: axis oriented unit vector from p to p2
+
+ returns encoded light value.
+*/
+u8 getFaceLight(u32 daynight_ratio, MapNode n, MapNode n2,
+ v3s16 face_dir)
+{
+ try{
+ u8 light;
+ u8 l1 = n.getLightBlend(daynight_ratio);
+ u8 l2 = n2.getLightBlend(daynight_ratio);
+ if(l1 > l2)
+ light = l1;
+ else
+ light = l2;
+
+ // Make some nice difference to different sides
+
+ // This makes light come from a corner
+ /*if(face_dir.X == 1 || face_dir.Z == 1 || face_dir.Y == -1)
+ light = diminish_light(diminish_light(light));
+ else if(face_dir.X == -1 || face_dir.Z == -1)
+ light = diminish_light(light);*/
+
+ // All neighboring faces have different shade (like in minecraft)
+ if(face_dir.X == 1 || face_dir.X == -1 || face_dir.Y == -1)
+ light = diminish_light(diminish_light(light));
+ else if(face_dir.Z == 1 || face_dir.Z == -1)
+ light = diminish_light(light);
+
+ return light;
+ }
+ catch(InvalidPositionException &e)
+ {
+ return 0;
+ }
+}
+