#include "exceptions.h"
#include "serialization.h"
#include "tile.h"
-#include "iirrlichtwrapper.h"
+#include "materials.h"
+
+/*
+ Naming scheme:
+ - Material = irrlicht's Material class
+ - Content = (u8) content of a node
+ - Tile = TileSpec at some side of a node of some content type
+*/
+
+/*
+ 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.
*/
void init_mapnode();
-// Initializes g_content_inventory_texture_paths
-void init_content_inventory_texture_paths();
-
-
-// NOTE: This is not used appropriately everywhere.
-#define MATERIALS_COUNT 256
-
/*
Ignored node.
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
-
-/*
- Suggested materials:
- - Gravel
- - Sand
-
- New naming scheme:
- - Material = irrlicht's Material class
- - Content = (u8) content of a node
- - Tile = (u16) Material ID at some side of a node
-*/
-
-#define CONTENT_STONE 0
-#define CONTENT_GRASS 1
-#define CONTENT_WATER 2
-#define CONTENT_TORCH 3
-#define CONTENT_TREE 4
-#define CONTENT_LEAVES 5
-#define CONTENT_GRASS_FOOTSTEPS 6
-#define CONTENT_MESE 7
-#define CONTENT_MUD 8
-#define CONTENT_WATERSOURCE 9
-// Pretty much useless, clouds won't be drawn this way
-#define CONTENT_CLOUD 10
-#define CONTENT_COALSTONE 11
-#define CONTENT_WOOD 12
-#define CONTENT_SAND 13
-#define CONTENT_SIGN_WALL 14
-#define CONTENT_CHEST 15
-#define CONTENT_FURNACE 16
-//#define CONTENT_WORKBENCH 17
+//#define CONTENT_AIR 254
+#define CONTENT_AIR 126
/*
Content feature list
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;
bool light_propagates;
bool sunlight_propagates;
u8 solidness; // Used when choosing which face is drawn
+ // This is used for collision detection.
+ // Also for general solidness queries.
bool walkable;
+ // Player can point to these
bool pointable;
+ // Player can dig these
bool diggable;
+ // Player can build on these
bool buildable_to;
+ // Whether the node has no liquid, source liquid or flowing liquid
enum LiquidType liquid_type;
- // If true, param2 is set to direction when placed
+ // If true, param2 is set to direction when placed. Used for torches.
// NOTE: the direction format is quite inefficient and should be changed
bool wall_mounted;
+ // If true, node is equivalent to air. Torches are, air is. Water is not.
+ // Is used for example to check whether a mud block can have grass on.
+ bool air_equivalent;
// Inventory item string as which the node appears in inventory when dug.
// Mineral overrides this.
// Initial metadata is cloned from this
NodeMetadata *initial_metadata;
+
+ // If the content is liquid, this is the flowing version of the liquid.
+ // If content is flowing liquid, this is the same content.
+ u8 liquid_alternative_flowing;
+ // If the content is liquid, this is the source version of the liquid.
+ u8 liquid_alternative_source;
+
+ // Amount of light the node emits
+ u8 light_source;
+
+ // Digging properties for different tools
+ DiggingPropertiesList digging_properties;
+
+ // NOTE: Move relevant properties to here from elsewhere
- //TODO: Move more properties here
-
- ContentFeatures()
+ void reset()
{
- translate_to = NULL;
+ //translate_to = NULL;
param_type = CPT_NONE;
inventory_texture = NULL;
is_ground_content = false;
buildable_to = false;
liquid_type = LIQUID_NONE;
wall_mounted = false;
+ air_equivalent = false;
dug_item = "";
initial_metadata = NULL;
+ liquid_alternative_flowing = CONTENT_IGNORE;
+ light_source = 0;
+ digging_properties.clear();
+ }
+
+ ContentFeatures()
+ {
+ reset();
}
~ContentFeatures();
{
setTexture(i, name, alpha);
}
+ // Force inventory texture too
+ setInventoryTexture(name);
}
void setTile(u16 i, const TileSpec &tile)
*/
ContentFeatures & content_features(u8 i);
+
+/*
+ Here is a bunch of DEPRECATED functions.
+*/
+
/*
If true, the material allows light propagation and brightness is stored
in param.
inline bool light_propagates_content(u8 m)
{
return content_features(m).light_propagates;
- //return (m == CONTENT_AIR || m == CONTENT_TORCH || m == CONTENT_WATER || m == CONTENT_WATERSOURCE);
}
-
/*
If true, the material allows lossless sunlight propagation.
NOTE: It doesn't seem to go through torches regardlessly of this
inline bool sunlight_propagates_content(u8 m)
{
return content_features(m).sunlight_propagates;
- //return (m == CONTENT_AIR || m == CONTENT_TORCH);
}
-
/*
On a node-node surface, the material of the node with higher solidness
is used for drawing.
inline u8 content_solidness(u8 m)
{
return content_features(m).solidness;
- /*// As of now, every pseudo node like torches are added to this
- if(m == CONTENT_AIR || m == CONTENT_TORCH || m == CONTENT_WATER)
- return 0;
- if(m == CONTENT_WATER || m == CONTENT_WATERSOURCE)
- return 1;
- return 2;*/
}
-
// Objects collide with walkable contents
// NOTE: Don't use, use "content_features(m).whatever" instead
inline bool content_walkable(u8 m)
{
return content_features(m).walkable;
- //return (m != CONTENT_AIR && m != CONTENT_WATER && m != CONTENT_WATERSOURCE && m != CONTENT_TORCH);
}
-
// NOTE: Don't use, use "content_features(m).whatever" instead
inline bool content_liquid(u8 m)
{
return content_features(m).liquid_type != LIQUID_NONE;
- //return (m == CONTENT_WATER || m == CONTENT_WATERSOURCE);
}
-
// NOTE: Don't use, use "content_features(m).whatever" instead
inline bool content_flowing_liquid(u8 m)
{
return content_features(m).liquid_type == LIQUID_FLOWING;
- //return (m == CONTENT_WATER);
}
-
// NOTE: Don't use, use "content_features(m).whatever" instead
inline bool content_liquid_source(u8 m)
{
return content_features(m).liquid_type == LIQUID_SOURCE;
- //return (m == CONTENT_WATERSOURCE);
}
-
// CONTENT_WATER || CONTENT_WATERSOURCE -> CONTENT_WATER
// CONTENT_LAVA || CONTENT_LAVASOURCE -> CONTENT_LAVA
+// NOTE: Don't use, use "content_features(m).whatever" instead
inline u8 make_liquid_flowing(u8 m)
{
- if(m == CONTENT_WATER || m == CONTENT_WATERSOURCE)
- return CONTENT_WATER;
- assert(0);
+ u8 c = content_features(m).liquid_alternative_flowing;
+ assert(c != CONTENT_IGNORE);
+ return c;
}
-
// Pointable contents can be pointed to in the map
// NOTE: Don't use, use "content_features(m).whatever" instead
inline bool content_pointable(u8 m)
{
return content_features(m).pointable;
- //return (m != CONTENT_AIR && m != CONTENT_WATER && m != CONTENT_WATERSOURCE);
}
-
// NOTE: Don't use, use "content_features(m).whatever" instead
inline bool content_diggable(u8 m)
{
return content_features(m).diggable;
- //return (m != CONTENT_AIR && m != CONTENT_WATER && m != CONTENT_WATERSOURCE);
}
-
// NOTE: Don't use, use "content_features(m).whatever" instead
inline bool content_buildable_to(u8 m)
{
return content_features(m).buildable_to;
- //return (m == CONTENT_AIR || m == CONTENT_WATER || m == CONTENT_WATERSOURCE);
}
-/*
- Returns true for contents that form the base ground that
- follows the main heightmap
-*/
-/*inline bool is_ground_content(u8 m)
-{
- return content_features(m).is_ground_content;
-}*/
-
/*
Nodes make a face if contents differ and solidness differs.
Return value:
LIGHTBANK_NIGHT
};
+/*
+ Masks for MapNode.param2 of flowing liquids
+ */
+#define LIQUID_LEVEL_MASK 0x07
+#define LIQUID_FLOW_DOWN_MASK 0x08
+
/*
This is the stuff what the whole world consists of.
*/
+
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;
};
/*
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
&& param == other.param
&& 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
+ */
bool light_propagates()
{
return light_propagates_content(d);
}
-
bool sunlight_propagates()
{
return sunlight_propagates_content(d);
}
-
u8 solidness()
{
return content_solidness(d);
}
-
u8 light_source()
{
- /*
- Note that a block that isn't light_propagates() can be a light source.
- */
- if(d == CONTENT_TORCH)
- return LIGHT_MAX;
-
- return 0;
+ return content_features(d).light_source;
}
u8 getLightBanksWithSource()
// Select the brightest of [light source, propagated light]
u8 lightday = 0;
u8 lightnight = 0;
- if(light_propagates())
+ if(content_features(d).param_type == CPT_LIGHT)
{
lightday = param & 0x0f;
lightnight = (param>>4)&0x0f;
return (lightday&0x0f) | ((lightnight<<4)&0xf0);
}
- void setLightBanks(u8 a_light)
- {
- param = a_light;
- }
-
u8 getLight(enum LightBank bank)
{
// Select the brightest of [light source, propagated light]
u8 light = 0;
- if(light_propagates())
+ if(content_features(d).param_type == CPT_LIGHT)
{
if(bank == LIGHTBANK_DAY)
light = param & 0x0f;
void setLight(enum LightBank bank, u8 a_light)
{
- // If not transparent, can't set light
- if(light_propagates() == false)
+ // If node doesn't contain light data, ignore this
+ if(content_features(d).param_type != CPT_LIGHT)
return;
if(bank == LIGHTBANK_DAY)
{
}
// In mapnode.cpp
+ /*
+ Get tile of a face of the node.
+ dir: direction of face
+ Returns: TileSpec. Can contain miscellaneous texture coordinates,
+ which must be obeyed so that the texture atlas can be used.
+ */
TileSpec getTile(v3s16 dir);
-
+
+ /*
+ Gets mineral content of node, if there is any.
+ 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
+ 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);
+
};
+/*
+ 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: getNodeParent(p)
+ n2: getNodeParent(p + face_dir)
+ 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);
#endif
projects / dragonfireclient.git / blobdiff