-};
-
-struct FastFace
-{
- TileSpec tile;
- video::S3DVertex vertices[4]; // Precalculated vertices
-};
-
-enum NodeModType
-{
- NODEMOD_NONE,
- NODEMOD_CHANGECONTENT, //param is content id
- NODEMOD_CRACK // param is crack progression
-};
-
-struct NodeMod
-{
- NodeMod(enum NodeModType a_type=NODEMOD_NONE, u16 a_param=0)
- {
- type = a_type;
- param = a_param;
- }
- bool operator==(const NodeMod &other)
- {
- return (type == other.type && param == other.param);
- }
- enum NodeModType type;
- u16 param;
-};
-
-class NodeModMap
-{
-public:
- /*
- returns true if the mod was different last time
- */
- bool set(v3s16 p, const NodeMod &mod)
- {
- // See if old is different, cancel if it is not different.
- core::map<v3s16, NodeMod>::Node *n = m_mods.find(p);
- if(n)
- {
- NodeMod old = n->getValue();
- if(old == mod)
- return false;
-
- n->setValue(mod);
- }
- else
- {
- m_mods.insert(p, mod);
- }
-
- return true;
- }
- // Returns true if there was one
- bool get(v3s16 p, NodeMod *mod)
- {
- core::map<v3s16, NodeMod>::Node *n;
- n = m_mods.find(p);
- if(n == NULL)
- return false;
- if(mod)
- *mod = n->getValue();
- return true;
- }
- bool clear(v3s16 p)
- {
- if(m_mods.find(p))
- {
- m_mods.remove(p);
- return true;
- }
- return false;
- }
- bool clear()
- {
- if(m_mods.size() == 0)
- return false;
- m_mods.clear();
- return true;
- }
- void copy(NodeModMap &dest)
- {
- dest.m_mods.clear();
-
- for(core::map<v3s16, NodeMod>::Iterator
- i = m_mods.getIterator();
- i.atEnd() == false; i++)
- {
- dest.m_mods.insert(i.getNode()->getKey(), i.getNode()->getValue());
- }
- }
-
-private:
- core::map<v3s16, NodeMod> m_mods;
-};