51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifndef MAPNODE_HEADER
-#define MAPNODE_HEADER
+#pragma once
-#include "irrlichttypes.h"
-#include "irr_v3d.h"
-#include "irr_aabb3d.h"
+#include "irrlichttypes_bloated.h"
#include "light.h"
+#include "util/pointer.h"
#include <string>
#include <vector>
-class INodeDefManager;
+class NodeDefManager;
+class Map;
/*
Naming scheme:
- Tile = TileSpec at some side of a node of some content type
*/
typedef u16 content_t;
+#define CONTENT_MAX UINT16_MAX
/*
The maximum node ID that can be registered by mods. This must
/*
Ignored node.
-
+
Unloaded chunks are considered to consist of this. Several other
methods return this when an error occurs. Also, during
map generation this means the node has not been set yet.
-
+
Doesn't create faces with anything and is considered being
out-of-map in the game map.
*/
#define CONTENT_IGNORE 127
+/*
+ Content lighting information that fits into a single byte.
+*/
+struct ContentLightingFlags {
+ u8 light_source : 4;
+ bool has_light : 1;
+ bool light_propagates : 1;
+ bool sunlight_propagates : 1;
+
+ bool operator==(const ContentLightingFlags &other) const
+ {
+ return has_light == other.has_light && light_propagates == other.light_propagates &&
+ sunlight_propagates == other.sunlight_propagates &&
+ light_source == other.light_source;
+ }
+ bool operator!=(const ContentLightingFlags &other) const { return !(*this == other); }
+};
+static_assert(sizeof(ContentLightingFlags) == 1, "Unexpected ContentLightingFlags size");
+
enum LightBank
{
LIGHTBANK_DAY,
#define LIQUID_INFINITY_MASK 0x80 //0b10000000
-// mask for param2, now as for liquid
-#define LEVELED_MASK 0x3F
+// mask for leveled nodebox param2
+#define LEVELED_MASK 0x7F
#define LEVELED_MAX LEVELED_MASK
*/
-struct MapNode
+struct alignas(u32) MapNode
{
/*
Main content
- Uhh... well, most blocks have light or nothing in here.
*/
u8 param1;
-
+
/*
The second parameter. Initialized to 0.
E.g. direction for torches and flowing water.
*/
u8 param2;
- MapNode(const MapNode & n)
- {
- *this = n;
- }
-
- MapNode(content_t content=CONTENT_AIR, u8 a_param1=0, u8 a_param2=0)
- {
- param0 = content;
- param1 = a_param1;
- param2 = a_param2;
- }
-
- // Create directly from a nodename
- // If name is unknown, sets CONTENT_IGNORE
- MapNode(INodeDefManager *ndef, const std::string &name,
- u8 a_param1=0, u8 a_param2=0);
+ MapNode() = default;
- bool operator==(const MapNode &other)
+ MapNode(content_t content, u8 a_param1=0, u8 a_param2=0) noexcept
+ : param0(content),
+ param1(a_param1),
+ param2(a_param2)
+ { }
+
+ bool operator==(const MapNode &other) const noexcept
{
return (param0 == other.param0
&& param1 == other.param1
&& param2 == other.param2);
}
-
+
// To be used everywhere
- content_t getContent() const
+ content_t getContent() const noexcept
{
return param0;
}
- void setContent(content_t c)
+ void setContent(content_t c) noexcept
{
param0 = c;
}
- u8 getParam1() const
+ u8 getParam1() const noexcept
{
return param1;
}
- void setParam1(u8 p)
+ void setParam1(u8 p) noexcept
{
param1 = p;
}
- u8 getParam2() const
+ u8 getParam2() const noexcept
{
return param2;
}
- void setParam2(u8 p)
+ void setParam2(u8 p) noexcept
{
param2 = p;
}
-
- void setLight(enum LightBank bank, u8 a_light, INodeDefManager *nodemgr);
- u8 getLight(enum LightBank bank, INodeDefManager *nodemgr) const;
+
+ /*!
+ * Returns the color of the node.
+ *
+ * \param f content features of this node
+ * \param color output, contains the node's color.
+ */
+ void getColor(const ContentFeatures &f, video::SColor *color) const;
+
+ inline void setLight(LightBank bank, u8 a_light, ContentLightingFlags f) noexcept
+ {
+ // If node doesn't contain light data, ignore this
+ if (!f.has_light)
+ return;
+ if (bank == LIGHTBANK_DAY) {
+ param1 &= 0xf0;
+ param1 |= a_light & 0x0f;
+ } else {
+ assert(bank == LIGHTBANK_NIGHT);
+ param1 &= 0x0f;
+ param1 |= (a_light & 0x0f)<<4;
+ }
+ }
/**
- * This function differs from getLight(enum LightBank bank, INodeDefManager *nodemgr)
- * in that the ContentFeatures of the node in question are not retrieved by
- * the function itself. Thus, if you have already called nodemgr->get() to
- * get the ContentFeatures you pass it to this function instead of the
- * function getting ContentFeatures itself. Since INodeDefManager::get()
- * is relatively expensive this can lead to significant performance
- * improvements in some situations. Call this function if (and only if)
- * you have already retrieved the ContentFeatures by calling
- * INodeDefManager::get() for the node you're working with and the
- * pre-conditions listed are true.
+ * Check if the light value for night differs from the light value for day.
*
- * @pre f != NULL
- * @pre f->param_type == CPT_LIGHT
+ * @return If the light values are equal, returns true; otherwise false
*/
- u8 getLightNoChecks(LightBank bank, const ContentFeatures *f);
+ inline bool isLightDayNightEq(ContentLightingFlags f) const noexcept
+ {
+ return !f.has_light || getLight(LIGHTBANK_DAY, f) == getLight(LIGHTBANK_NIGHT, f);
+ }
- bool getLightBanks(u8 &lightday, u8 &lightnight, INodeDefManager *nodemgr) const;
-
- // 0 <= daylight_factor <= 1000
- // 0 <= return value <= LIGHT_SUN
- u8 getLightBlend(u32 daylight_factor, INodeDefManager *nodemgr) const
+ inline u8 getLight(LightBank bank, ContentLightingFlags f) const noexcept
{
- u8 lightday = 0;
- u8 lightnight = 0;
- getLightBanks(lightday, lightnight, nodemgr);
- return blend_light(daylight_factor, lightday, lightnight);
+ u8 raw_light = getLightRaw(bank, f);
+ return MYMAX(f.light_source, raw_light);
}
- // 0.0 <= daylight_factor <= 1.0
+ /*!
+ * Returns the node's light level from param1.
+ * If the node emits light, it is ignored.
+ * \param f the ContentLightingFlags of this node.
+ */
+ inline u8 getLightRaw(LightBank bank, ContentLightingFlags f) const noexcept
+ {
+ if(f.has_light)
+ return bank == LIGHTBANK_DAY ? param1 & 0x0f : (param1 >> 4) & 0x0f;
+ return 0;
+ }
+
+ // 0 <= daylight_factor <= 1000
// 0 <= return value <= LIGHT_SUN
- u8 getLightBlendF1(float daylight_factor, INodeDefManager *nodemgr) const
+ u8 getLightBlend(u32 daylight_factor, ContentLightingFlags f) const
{
- u8 lightday = 0;
- u8 lightnight = 0;
- getLightBanks(lightday, lightnight, nodemgr);
- return blend_light_f1(daylight_factor, lightday, lightnight);
+ u8 lightday = getLight(LIGHTBANK_DAY, f);
+ u8 lightnight = getLight(LIGHTBANK_NIGHT, f);
+ return blend_light(daylight_factor, lightday, lightnight);
}
- u8 getFaceDir(INodeDefManager *nodemgr) const;
- u8 getWallMounted(INodeDefManager *nodemgr) const;
- v3s16 getWallMountedDir(INodeDefManager *nodemgr) const;
-
- void rotateAlongYAxis(INodeDefManager *nodemgr, Rotation rot);
+ u8 getFaceDir(const NodeDefManager *nodemgr, bool allow_wallmounted = false) const;
+ u8 getWallMounted(const NodeDefManager *nodemgr) const;
+ v3s16 getWallMountedDir(const NodeDefManager *nodemgr) const;
+
+ /// @returns Rotation in range 0–239 (in 1.5° steps)
+ u8 getDegRotate(const NodeDefManager *nodemgr) const;
+
+ void rotateAlongYAxis(const NodeDefManager *nodemgr, Rotation rot);
+
+ /*!
+ * Checks which neighbors does this node connect to.
+ *
+ * \param p coordinates of the node
+ */
+ u8 getNeighbors(v3s16 p, Map *map) const;
/*
Gets list of node boxes (used for rendering (NDT_NODEBOX))
*/
- std::vector<aabb3f> getNodeBoxes(INodeDefManager *nodemgr) const;
+ void getNodeBoxes(const NodeDefManager *nodemgr, std::vector<aabb3f> *boxes,
+ u8 neighbors = 0) const;
/*
Gets list of selection boxes
*/
- std::vector<aabb3f> getSelectionBoxes(INodeDefManager *nodemgr) const;
+ void getSelectionBoxes(const NodeDefManager *nodemg,
+ std::vector<aabb3f> *boxes, u8 neighbors = 0) const;
/*
Gets list of collision boxes
*/
- std::vector<aabb3f> getCollisionBoxes(INodeDefManager *nodemgr) const;
+ void getCollisionBoxes(const NodeDefManager *nodemgr,
+ std::vector<aabb3f> *boxes, u8 neighbors = 0) const;
- /* Liquid helpers */
- u8 getMaxLevel(INodeDefManager *nodemgr) const;
- u8 getLevel(INodeDefManager *nodemgr) const;
- u8 setLevel(INodeDefManager *nodemgr, s8 level = 1);
- u8 addLevel(INodeDefManager *nodemgr, s8 add = 1);
- void freezeMelt(INodeDefManager *nodemgr);
+ /*
+ Liquid/leveled helpers
+ */
+ u8 getMaxLevel(const NodeDefManager *nodemgr) const;
+ u8 getLevel(const NodeDefManager *nodemgr) const;
+ s8 setLevel(const NodeDefManager *nodemgr, s16 level = 1);
+ s8 addLevel(const NodeDefManager *nodemgr, s16 add = 1);
/*
Serialization functions
*/
static u32 serializedLength(u8 version);
- void serialize(u8 *dest, u8 version);
+ void serialize(u8 *dest, u8 version) const;
void deSerialize(u8 *source, u8 version);
-
+
// Serializes or deserializes a list of nodes in bulk format (first the
// content of all nodes, then the param1 of all nodes, then the param2
// of all nodes).
// content_width = the number of bytes of content per node
// params_width = the number of bytes of params per node
// compressed = true to zlib-compress output
- static void serializeBulk(std::ostream &os, int version,
+ static SharedBuffer<u8> serializeBulk(int version,
const MapNode *nodes, u32 nodecount,
- u8 content_width, u8 params_width, bool compressed);
+ u8 content_width, u8 params_width);
static void deSerializeBulk(std::istream &is, int version,
MapNode *nodes, u32 nodecount,
- u8 content_width, u8 params_width, bool compressed);
+ u8 content_width, u8 params_width);
private:
// Deprecated serialization methods
- void deSerialize_pre22(u8 *source, u8 version);
+ void deSerialize_pre22(const u8 *source, u8 version);
};
-
-#endif
-
projects / minetest.git / blobdiff