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-rw-r--r--src/mapnode.h138
1 files changed, 43 insertions, 95 deletions
diff --git a/src/mapnode.h b/src/mapnode.h
index eb4b17e48..36d48fb9e 100644
--- a/src/mapnode.h
+++ b/src/mapnode.h
@@ -37,6 +37,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/
/*
+ Ranges:
+ 0x000...0x07f: param2 is fully usable
+ 0x800...0xfff: param2 lower 4 bytes are free
+*/
+typedef u16 content_t;
+
+/*
Initializes all kind of stuff in here.
Many things depend on this.
@@ -59,14 +66,16 @@ void init_mapnode();
Doesn't create faces with anything and is considered being
out-of-map in the game map.
*/
-#define CONTENT_IGNORE 255
+//#define CONTENT_IGNORE 255
+#define CONTENT_IGNORE 127
#define CONTENT_IGNORE_DEFAULT_PARAM 0
/*
The common material through which the player can walk and which
is transparent to light
*/
-#define CONTENT_AIR 254
+//#define CONTENT_AIR 254
+#define CONTENT_AIR 126
/*
Content feature list
@@ -94,7 +103,7 @@ class NodeMetadata;
struct ContentFeatures
{
// If non-NULL, content is translated to this when deserialized
- MapNode *translate_to;
+ //MapNode *translate_to;
// Type of MapNode::param
ContentParamType param_type;
@@ -154,7 +163,7 @@ struct ContentFeatures
void reset()
{
- translate_to = NULL;
+ //translate_to = NULL;
param_type = CPT_NONE;
inventory_texture = NULL;
is_ground_content = false;
@@ -399,20 +408,30 @@ enum LightBank
struct MapNode
{
- // Content
- u8 d;
+ /*
+ Main content
+ 0x00-0x7f: Short content type
+ 0x80-0xff: Long content type (param2>>4 makes up low bytes)
+ */
+ union
+ {
+ u8 param0;
+ u8 d;
+ };
/*
Misc parameter. Initialized to 0.
- For light_propagates() blocks, this is light intensity,
stored logarithmically from 0 to LIGHT_MAX.
Sunlight is LIGHT_SUN, which is LIGHT_MAX+1.
- - Contains 2 values, day- and night lighting. Each takes 4 bits.
+ - Contains 2 values, day- and night lighting. Each takes 4 bits.
+ - Mineral content (should be removed from here)
+ - Uhh... well, most blocks have light or nothing in here.
*/
union
{
- s8 param;
u8 param1;
+ s8 param;
};
/*
@@ -437,14 +456,6 @@ struct MapNode
param2 = a_param2;
}
- /*MapNode & operator=(const MapNode &other)
- {
- d = other.d;
- param = other.param;
- param2 = other.param2;
- return *this;
- }*/
-
bool operator==(const MapNode &other)
{
return (d == other.d
@@ -452,6 +463,16 @@ struct MapNode
&& param2 == other.param2);
}
+ // To be used everywhere
+ content_t getContent()
+ {
+ return d;
+ }
+ void setContent(content_t c)
+ {
+ d = c;
+ }
+
/*
These four are DEPRECATED I guess. -c55
*/
@@ -566,88 +587,15 @@ struct MapNode
MINERAL_NONE if doesn't contain or isn't able to contain mineral.
*/
u8 getMineral();
-
+
/*
- These serialization functions are used when informing client
- of a single node add.
-
- NOTE: When loading a MapBlock, these are not used. Should they?
+ Serialization functions
*/
- static u32 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 serialize(u8 *dest, u8 version)
- {
- if(!ser_ver_supported(version))
- throw VersionMismatchException("ERROR: MapNode format not supported");
-
- if(version == 0)
- {
- dest[0] = d;
- }
- else if(version <= 9)
- {
- dest[0] = d;
- dest[1] = param;
- }
- else
- {
- dest[0] = d;
- dest[1] = param;
- dest[2] = param2;
- }
- }
- void deSerialize(u8 *source, u8 version)
- {
- if(!ser_ver_supported(version))
- throw VersionMismatchException("ERROR: MapNode format not supported");
-
- if(version == 0)
- {
- d = source[0];
- }
- else if(version == 1)
- {
- d = source[0];
- // This version doesn't support saved lighting
- if(light_propagates() || light_source() > 0)
- param = 0;
- else
- param = source[1];
- }
- else if(version <= 9)
- {
- d = source[0];
- param = source[1];
- }
- else
- {
- d = source[0];
- param = source[1];
- param2 = source[2];
- }
-
- // Translate deprecated stuff
- // NOTE: This doesn't get used because MapBlock handles node
- // parameters directly
- MapNode *translate_to = content_features(d).translate_to;
- if(translate_to)
- {
- dstream<<"MapNode: WARNING: Translating "<<d<<" to "
- <<translate_to->d<<std::endl;
- *this = *translate_to;
- }
- }
+ static u32 serializedLength(u8 version);
+ void serialize(u8 *dest, u8 version);
+ void deSerialize(u8 *source, u8 version);
+
};
/*