initial steps in doing content type extension
This commit is contained in:
Perttu Ahola
parent
7b290660ea
commit
8f742855a1
@ -151,7 +151,6 @@ void content_mapnode_init()
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// Deprecated
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i = CONTENT_COALSTONE;
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f = &content_features(i);
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//f->translate_to = new MapNode(CONTENT_STONE, MINERAL_COAL);
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f->setAllTextures("stone.png^mineral_coal.png");
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f->is_ground_content = true;
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setStoneLikeDiggingProperties(f->digging_properties, 1.5);
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@ -607,24 +607,20 @@ void MapBlock::serialize(std::ostream &os, u8 version)
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Get data
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*/
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// Serialize nodes
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SharedBuffer<u8> databuf_nodelist(nodecount*3);
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for(u32 i=0; i<nodecount; i++)
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{
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data[i].serialize(&databuf_nodelist[i*3], version);
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}
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// Create buffer with different parameters sorted
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SharedBuffer<u8> databuf(nodecount*3);
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// Get contents
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for(u32 i=0; i<nodecount; i++)
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{
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databuf[i] = data[i].d;
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}
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// Get params
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for(u32 i=0; i<nodecount; i++)
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{
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databuf[i+nodecount] = data[i].param;
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}
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// Get param2
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for(u32 i=0; i<nodecount; i++)
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{
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databuf[i+nodecount*2] = data[i].param2;
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databuf[i] = databuf_nodelist[i*3];
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databuf[i+nodecount] = databuf_nodelist[i*3+1];
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databuf[i+nodecount*2] = databuf_nodelist[i*3+2];
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}
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/*
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@ -773,20 +769,14 @@ void MapBlock::deSerialize(std::istream &is, u8 version)
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("MapBlock::deSerialize: decompress resulted in size"
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" other than nodecount*3");
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// Set contents
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// deserialize nodes from buffer
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for(u32 i=0; i<nodecount; i++)
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{
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data[i].d = s[i];
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}
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// Set params
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for(u32 i=0; i<nodecount; i++)
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{
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data[i].param = s[i+nodecount];
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}
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// Set param2
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for(u32 i=0; i<nodecount; i++)
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{
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data[i].param2 = s[i+nodecount*2];
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u8 buf[3];
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buf[0] = s[i];
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buf[1] = s[i+nodecount];
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buf[2] = s[i+nodecount*2];
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data[i].deSerialize(buf, version);
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}
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/*
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@ -818,25 +808,6 @@ void MapBlock::deSerialize(std::istream &is, u8 version)
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}
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}
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}
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/*
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Translate nodes as specified in the translate_to fields of
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node features
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NOTE: This isn't really used. Should it be removed?
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*/
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for(u32 i=0; i<MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE; i++)
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{
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MapNode &n = data[i];
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MapNode *translate_to = content_features(n.d).translate_to;
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if(translate_to)
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{
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dstream<<"MapBlock: WARNING: Translating node "<<n.d<<" to "
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<<translate_to->d<<std::endl;
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n = *translate_to;
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}
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}
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}
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void MapBlock::serializeDiskExtra(std::ostream &os, u8 version)
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@ -30,8 +30,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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ContentFeatures::~ContentFeatures()
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{
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if(translate_to)
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delete translate_to;
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/*if(translate_to)
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delete translate_to;*/
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if(initial_metadata)
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delete initial_metadata;
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}
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@ -241,6 +241,94 @@ u8 MapNode::getMineral()
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return MINERAL_NONE;
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}
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u32 MapNode::serializedLength(u8 version)
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{
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if(!ser_ver_supported(version))
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throw VersionMismatchException("ERROR: MapNode format not supported");
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if(version == 0)
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return 1;
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else if(version <= 9)
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return 2;
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else
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return 3;
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}
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void MapNode::serialize(u8 *dest, u8 version)
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{
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if(!ser_ver_supported(version))
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throw VersionMismatchException("ERROR: MapNode format not supported");
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u8 actual_d = d;
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// Convert from new version to old
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if(version <= 18)
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{
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// In these versions, CONTENT_IGNORE and CONTENT_AIR
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// are 255 and 254
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if(d == CONTENT_IGNORE)
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d = 255;
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else if(d == CONTENT_AIR)
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d = 254;
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}
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if(version == 0)
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{
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dest[0] = actual_d;
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}
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else if(version <= 9)
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{
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dest[0] = actual_d;
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dest[1] = param;
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}
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else
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{
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dest[0] = actual_d;
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dest[1] = param;
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dest[2] = param2;
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}
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}
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void MapNode::deSerialize(u8 *source, u8 version)
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{
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if(!ser_ver_supported(version))
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throw VersionMismatchException("ERROR: MapNode format not supported");
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if(version == 0)
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{
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d = source[0];
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}
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else if(version == 1)
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{
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d = source[0];
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// This version doesn't support saved lighting
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if(light_propagates() || light_source() > 0)
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param = 0;
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else
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param = source[1];
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}
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else if(version <= 9)
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{
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d = source[0];
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param = source[1];
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}
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else
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{
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d = source[0];
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param = source[1];
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param2 = source[2];
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// Convert from old version to new
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if(version <= 18)
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{
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// In these versions, CONTENT_IGNORE and CONTENT_AIR
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// are 255 and 254
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if(d == 255)
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d = CONTENT_IGNORE;
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else if(d == 254)
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d = CONTENT_AIR;
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}
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}
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}
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/*
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Gets lighting value at face of node
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138
src/mapnode.h
138
src/mapnode.h
@ -36,6 +36,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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- Tile = TileSpec at some side of a node of some content type
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*/
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/*
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Ranges:
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0x000...0x07f: param2 is fully usable
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0x800...0xfff: param2 lower 4 bytes are free
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*/
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typedef u16 content_t;
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/*
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Initializes all kind of stuff in here.
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Many things depend on this.
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@ -59,14 +66,16 @@ void init_mapnode();
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Doesn't create faces with anything and is considered being
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out-of-map in the game map.
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*/
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#define CONTENT_IGNORE 255
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//#define CONTENT_IGNORE 255
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#define CONTENT_IGNORE 127
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#define CONTENT_IGNORE_DEFAULT_PARAM 0
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/*
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The common material through which the player can walk and which
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is transparent to light
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*/
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#define CONTENT_AIR 254
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//#define CONTENT_AIR 254
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#define CONTENT_AIR 126
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/*
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Content feature list
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@ -94,7 +103,7 @@ class NodeMetadata;
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struct ContentFeatures
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{
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// If non-NULL, content is translated to this when deserialized
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MapNode *translate_to;
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//MapNode *translate_to;
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// Type of MapNode::param
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ContentParamType param_type;
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@ -154,7 +163,7 @@ struct ContentFeatures
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void reset()
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{
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translate_to = NULL;
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//translate_to = NULL;
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param_type = CPT_NONE;
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inventory_texture = NULL;
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is_ground_content = false;
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@ -399,20 +408,30 @@ enum LightBank
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struct MapNode
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{
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// Content
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u8 d;
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/*
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Main content
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0x00-0x7f: Short content type
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0x80-0xff: Long content type (param2>>4 makes up low bytes)
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*/
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union
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{
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u8 param0;
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u8 d;
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};
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/*
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Misc parameter. Initialized to 0.
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- For light_propagates() blocks, this is light intensity,
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stored logarithmically from 0 to LIGHT_MAX.
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Sunlight is LIGHT_SUN, which is LIGHT_MAX+1.
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- Contains 2 values, day- and night lighting. Each takes 4 bits.
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- Contains 2 values, day- and night lighting. Each takes 4 bits.
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- Mineral content (should be removed from here)
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- Uhh... well, most blocks have light or nothing in here.
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*/
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union
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{
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s8 param;
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u8 param1;
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s8 param;
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};
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/*
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@ -437,14 +456,6 @@ struct MapNode
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param2 = a_param2;
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}
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/*MapNode & operator=(const MapNode &other)
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{
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d = other.d;
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param = other.param;
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param2 = other.param2;
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return *this;
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}*/
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bool operator==(const MapNode &other)
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{
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return (d == other.d
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@ -452,6 +463,16 @@ struct MapNode
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&& param2 == other.param2);
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}
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// To be used everywhere
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content_t getContent()
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{
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return d;
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}
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void setContent(content_t c)
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{
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d = c;
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}
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/*
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These four are DEPRECATED I guess. -c55
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*/
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@ -566,88 +587,15 @@ struct MapNode
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MINERAL_NONE if doesn't contain or isn't able to contain mineral.
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*/
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u8 getMineral();
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/*
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These serialization functions are used when informing client
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of a single node add.
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NOTE: When loading a MapBlock, these are not used. Should they?
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Serialization functions
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*/
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static u32 serializedLength(u8 version)
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{
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if(!ser_ver_supported(version))
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throw VersionMismatchException("ERROR: MapNode format not supported");
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if(version == 0)
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return 1;
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else if(version <= 9)
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return 2;
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else
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return 3;
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}
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void serialize(u8 *dest, u8 version)
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{
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if(!ser_ver_supported(version))
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throw VersionMismatchException("ERROR: MapNode format not supported");
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if(version == 0)
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{
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dest[0] = d;
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}
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else if(version <= 9)
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{
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dest[0] = d;
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dest[1] = param;
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}
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else
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{
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dest[0] = d;
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dest[1] = param;
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dest[2] = param2;
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}
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}
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void deSerialize(u8 *source, u8 version)
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{
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if(!ser_ver_supported(version))
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throw VersionMismatchException("ERROR: MapNode format not supported");
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if(version == 0)
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{
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d = source[0];
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}
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else if(version == 1)
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{
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d = source[0];
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// This version doesn't support saved lighting
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if(light_propagates() || light_source() > 0)
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param = 0;
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else
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param = source[1];
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}
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else if(version <= 9)
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{
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d = source[0];
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param = source[1];
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}
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else
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{
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d = source[0];
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param = source[1];
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param2 = source[2];
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}
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// Translate deprecated stuff
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// NOTE: This doesn't get used because MapBlock handles node
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// parameters directly
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MapNode *translate_to = content_features(d).translate_to;
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if(translate_to)
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{
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dstream<<"MapNode: WARNING: Translating "<<d<<" to "
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<<translate_to->d<<std::endl;
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*this = *translate_to;
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}
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}
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static u32 serializedLength(u8 version);
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void serialize(u8 *dest, u8 version);
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void deSerialize(u8 *source, u8 version);
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};
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/*
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@ -53,12 +53,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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15: StaticObjects
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16: larger maximum size of node metadata, and compression
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17: MapBlocks contain timestamp
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18: sqlite/new generator/whatever
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18: new generator (not really necessary, but it's there)
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19: new content type handling
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*/
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// This represents an uninitialized or invalid format
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#define SER_FMT_VER_INVALID 255
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// Highest supported serialization version
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#define SER_FMT_VER_HIGHEST 18
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#define SER_FMT_VER_HIGHEST 19
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// Lowest supported serialization version
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#define SER_FMT_VER_LOWEST 0
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