Some progress on transitioning from MapBlockObject to ActiveObject.

This commit is contained in:
Perttu Ahola 2011-04-08 00:47:14 +03:00
parent 2dba606e12
commit 4b54b291ae
13 changed files with 522 additions and 40 deletions

@ -38,6 +38,7 @@ struct ActiveObjectMessage
#define ACTIVEOBJECT_TYPE_INVALID 0
#define ACTIVEOBJECT_TYPE_TEST 1
#define ACTIVEOBJECT_TYPE_ITEM 2
/*
Parent class for ServerActiveObject and ClientActiveObject

@ -1970,6 +1970,48 @@ MapBlockObject * Client::getSelectedObject(
return NULL;
}
ClientActiveObject * Client::getSelectedActiveObject(
f32 max_d,
v3f from_pos_f_on_map,
core::line3d<f32> shootline_on_map
)
{
core::array<DistanceSortedActiveObject> objects;
m_env.getActiveObjects(from_pos_f_on_map, max_d, objects);
//dstream<<"Collected "<<objects.size()<<" nearby objects"<<std::endl;
// Sort them.
// After this, the closest object is the first in the array.
objects.sort();
for(u32 i=0; i<objects.size(); i++)
{
ClientActiveObject *obj = objects[i].obj;
core::aabbox3d<f32> *selection_box = obj->getSelectionBox();
if(selection_box == NULL)
continue;
v3f pos = obj->getPosition();
core::aabbox3d<f32> offsetted_box(
selection_box->MinEdge + pos,
selection_box->MaxEdge + pos
);
if(offsetted_box.intersectsWithLine(shootline_on_map))
{
//dstream<<"Returning selected object"<<std::endl;
return obj;
}
}
//dstream<<"No object selected; returning NULL."<<std::endl;
return NULL;
}
void Client::printDebugInfo(std::ostream &os)
{
//JMutexAutoLock lock1(m_fetchblock_mutex);

@ -316,6 +316,14 @@ public:
core::line3d<f32> shootline_on_map
);
// Gets closest object pointed by the shootline
// Returns NULL if not found
ClientActiveObject * getSelectedActiveObject(
f32 max_d,
v3f from_pos_f_on_map,
core::line3d<f32> shootline_on_map
);
// Prints a line or two of info
void printDebugInfo(std::ostream &os);

@ -23,6 +23,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "constants.h"
#include "utility.h"
core::map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
ClientActiveObject::ClientActiveObject(u16 id):
ActiveObject(id)
{
@ -35,41 +37,55 @@ ClientActiveObject::~ClientActiveObject()
ClientActiveObject* ClientActiveObject::create(u8 type)
{
if(type == ACTIVEOBJECT_TYPE_INVALID)
// Find factory function
core::map<u16, Factory>::Node *n;
n = m_types.find(type);
if(n == NULL)
{
dstream<<"ClientActiveObject::create(): passed "
<<"ACTIVEOBJECT_TYPE_INVALID"<<std::endl;
return NULL;
}
else if(type == ACTIVEOBJECT_TYPE_TEST)
{
dstream<<"ClientActiveObject::create(): passed "
<<"ACTIVEOBJECT_TYPE_TEST"<<std::endl;
return new TestCAO(0);
}
else
{
dstream<<"ClientActiveObject::create(): passed "
<<"unknown type="<<type<<std::endl;
// If factory is not found, just return.
dstream<<"WARNING: ClientActiveObject: No factory for type="
<<type<<std::endl;
return NULL;
}
Factory f = n->getValue();
ClientActiveObject *object = (*f)();
return object;
}
void ClientActiveObject::registerType(u16 type, Factory f)
{
core::map<u16, Factory>::Node *n;
n = m_types.find(type);
if(n)
return;
m_types.insert(type, f);
}
/*
TestCAO
*/
TestCAO::TestCAO(u16 id):
ClientActiveObject(id),
// Prototype
TestCAO proto_TestCAO;
TestCAO::TestCAO():
ClientActiveObject(0),
m_node(NULL),
m_position(v3f(0,10*BS,0))
{
ClientActiveObject::registerType(getType(), create);
}
TestCAO::~TestCAO()
{
}
ClientActiveObject* TestCAO::create()
{
return new TestCAO();
}
void TestCAO::addToScene(scene::ISceneManager *smgr)
{
if(m_node != NULL)
@ -160,4 +176,184 @@ void TestCAO::processMessage(const std::string &data)
}
}
/*
ItemCAO
*/
#include "inventory.h"
// Prototype
ItemCAO proto_ItemCAO;
ItemCAO::ItemCAO():
ClientActiveObject(0),
m_selection_box(-BS*0.4,0.0,-BS*0.4, BS*0.4,BS*0.8,BS*0.4),
m_node(NULL),
m_position(v3f(0,10*BS,0))
{
ClientActiveObject::registerType(getType(), create);
}
ItemCAO::~ItemCAO()
{
}
ClientActiveObject* ItemCAO::create()
{
return new ItemCAO();
}
void ItemCAO::addToScene(scene::ISceneManager *smgr)
{
if(m_node != NULL)
return;
video::IVideoDriver* driver = smgr->getVideoDriver();
scene::SMesh *mesh = new scene::SMesh();
scene::IMeshBuffer *buf = new scene::SMeshBuffer();
video::SColor c(255,255,255,255);
video::S3DVertex vertices[4] =
{
/*video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),*/
video::S3DVertex(BS/3,0,0, 0,0,0, c, 0,1),
video::S3DVertex(-BS/3,0,0, 0,0,0, c, 1,1),
video::S3DVertex(-BS/3,0+BS*2/3,0, 0,0,0, c, 1,0),
video::S3DVertex(BS/3,0+BS*2/3,0, 0,0,0, c, 0,0),
};
u16 indices[] = {0,1,2,2,3,0};
buf->append(vertices, 4, indices, 6);
// Set material
buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
//buf->getMaterial().setTexture(0, NULL);
buf->getMaterial().setTexture
(0, driver->getTexture(porting::getDataPath("rat.png").c_str()));
buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
// Add to mesh
mesh->addMeshBuffer(buf);
buf->drop();
m_node = smgr->addMeshSceneNode(mesh, NULL);
mesh->drop();
// Set it to use the materials of the meshbuffers directly.
// This is needed for changing the texture in the future
m_node->setReadOnlyMaterials(true);
updateNodePos();
}
void ItemCAO::removeFromScene()
{
if(m_node == NULL)
return;
m_node->remove();
m_node = NULL;
}
void ItemCAO::updateLight(u8 light_at_pos)
{
}
v3s16 ItemCAO::getLightPosition()
{
return floatToInt(m_position, BS);
}
void ItemCAO::updateNodePos()
{
if(m_node == NULL)
return;
m_node->setPosition(m_position);
}
void ItemCAO::step(float dtime)
{
if(m_node)
{
v3f rot = m_node->getRotation();
rot.Y += dtime * 120;
m_node->setRotation(rot);
}
}
void ItemCAO::processMessage(const std::string &data)
{
dstream<<"ItemCAO: Got data: "<<data<<std::endl;
std::istringstream is(data, std::ios::binary);
u16 cmd;
is>>cmd;
if(cmd == 0)
{
v3f newpos;
is>>newpos.X;
is>>newpos.Y;
is>>newpos.Z;
m_position = newpos;
updateNodePos();
}
}
void ItemCAO::initialize(const std::string &data)
{
dstream<<"ItemCAO: Got init data: "<<data<<std::endl;
Strfnd fn(data);
v3f newpos;
newpos.X = stoi(fn.next(","));
newpos.Y = stoi(fn.next(","));
newpos.Z = stoi(fn.next(":"));
m_position = newpos;
updateNodePos();
m_inventorystring = fn.next("");
if(m_node == NULL)
return;
scene::IMesh *mesh = m_node->getMesh();
if(mesh == NULL)
return;
scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
if(buf == NULL)
return;
/*
Create an inventory item to see what is its image
*/
std::istringstream is(m_inventorystring, std::ios_base::binary);
video::ITexture *texture = NULL;
try{
InventoryItem *item = NULL;
item = InventoryItem::deSerialize(is);
dstream<<__FUNCTION_NAME<<": m_inventorystring=\""
<<m_inventorystring<<"\" -> item="<<item
<<std::endl;
if(item)
{
texture = item->getImage();
delete item;
}
}
catch(SerializationError &e)
{
dstream<<"WARNING: "<<__FUNCTION_NAME
<<": error deSerializing inventorystring \""
<<m_inventorystring<<"\""<<std::endl;
}
// Set meshbuffer texture
buf->getMaterial().setTexture(0, texture);
}

@ -46,6 +46,9 @@ public:
// 0 <= light_at_pos <= LIGHT_SUN
virtual void updateLight(u8 light_at_pos){}
virtual v3s16 getLightPosition(){return v3s16(0,0,0);}
virtual core::aabbox3d<f32>* getSelectionBox(){return NULL;}
virtual core::aabbox3d<f32>* getCollisionBox(){return NULL;}
virtual v3f getPosition(){return v3f(0,0,0);}
// Step object in time
virtual void step(float dtime){}
@ -54,8 +57,8 @@ public:
virtual void processMessage(const std::string &data){}
/*
This takes the return value of getClientInitializationData
TODO: Usage of this
This takes the return value of
ServerActiveObject::getClientInitializationData
*/
virtual void initialize(const std::string &data){}
@ -63,12 +66,37 @@ public:
static ClientActiveObject* create(u8 type);
protected:
typedef ClientActiveObject* (*Factory)();
static void registerType(u16 type, Factory f);
private:
static core::map<u16, Factory> m_types;
};
struct DistanceSortedActiveObject
{
ClientActiveObject *obj;
f32 d;
DistanceSortedActiveObject(ClientActiveObject *a_obj, f32 a_d)
{
obj = a_obj;
d = a_d;
}
bool operator < (DistanceSortedActiveObject &other)
{
return d < other.d;
}
};
/*
TestCAO
*/
class TestCAO : public ClientActiveObject
{
public:
TestCAO(u16 id);
TestCAO();
virtual ~TestCAO();
u8 getType() const
@ -76,6 +104,8 @@ public:
return ACTIVEOBJECT_TYPE_TEST;
}
static ClientActiveObject* create();
void addToScene(scene::ISceneManager *smgr);
void removeFromScene();
void updateLight(u8 light_at_pos);
@ -91,5 +121,46 @@ private:
v3f m_position;
};
/*
ItemCAO
*/
class ItemCAO : public ClientActiveObject
{
public:
ItemCAO();
virtual ~ItemCAO();
u8 getType() const
{
return ACTIVEOBJECT_TYPE_ITEM;
}
static ClientActiveObject* create();
void addToScene(scene::ISceneManager *smgr);
void removeFromScene();
void updateLight(u8 light_at_pos);
v3s16 getLightPosition();
void updateNodePos();
void step(float dtime);
void processMessage(const std::string &data);
void initialize(const std::string &data);
core::aabbox3d<f32>* getSelectionBox()
{return &m_selection_box;}
v3f getPosition()
{return m_position;}
private:
core::aabbox3d<f32> m_selection_box;
scene::IMeshSceneNode *m_node;
v3f m_position;
std::string m_inventorystring;
};
#endif

@ -482,7 +482,8 @@ void ServerEnvironment::step(float dtime)
m_random_spawn_timer -= dtime;
if(m_random_spawn_timer < 0)
{
m_random_spawn_timer += myrand_range(2.0, 20.0);
//m_random_spawn_timer += myrand_range(2.0, 20.0);
m_random_spawn_timer += 2.0;
/*
Find some position
@ -503,11 +504,11 @@ void ServerEnvironment::step(float dtime)
);
/*
Create a TestSAO object
Create a ServerActiveObject
*/
TestSAO *obj = new TestSAO(this, 0,
v3f(myrand_range(-2*BS,2*BS), BS*5, myrand_range(-2*BS,2*BS)));
//TestSAO *obj = new TestSAO(this, 0, pos);
ServerActiveObject *obj = new ItemSAO(this, 0, pos, "CraftItem Stick 1");
// Add the object to the environment
addActiveObject(obj);
@ -1044,6 +1045,27 @@ void ClientEnvironment::processActiveObjectMessage(u16 id,
obj->processMessage(data);
}
void ClientEnvironment::getActiveObjects(v3f origin, f32 max_d,
core::array<DistanceSortedActiveObject> &dest)
{
for(core::map<u16, ClientActiveObject*>::Iterator
i = m_active_objects.getIterator();
i.atEnd()==false; i++)
{
ClientActiveObject* obj = i.getNode()->getValue();
f32 d = (obj->getPosition() - origin).getLength();
if(d > max_d)
continue;
DistanceSortedActiveObject dso(obj, d);
dest.push_back(dso);
}
}
#endif // #ifndef SERVER

@ -212,6 +212,10 @@ public:
void processActiveObjectMessage(u16 id, const std::string &data);
// Get all nearby objects
void getActiveObjects(v3f origin, f32 max_d,
core::array<DistanceSortedActiveObject> &dest);
private:
ClientMap *m_map;
scene::ISceneManager *m_smgr;

@ -109,17 +109,19 @@ Gaming ideas:
Game content:
-------------
- When furnace is destroyed, move items to player's inventory
- Add lots of stuff, no matter if they have really no real purpose.
- Add lots of stuff
- Glass blocks
- Growing grass, decaying leaves
- This can be done in the active blocks I guess.
- Lots of stuff can be done in the active blocks.
- Uh, is there an active block list somewhere?
- Uh, is there an active block list somewhere? I think not. Add it.
- Player health points
- When player dies, throw items on map
- When player dies, throw items on map (needs better item-on-map
implementation)
- Cobble to get mossy if near water
- More slots in furnace source list, so that multiple ingredients
are possible.
- Keys to chests?
Documentation:
--------------
@ -200,7 +202,7 @@ FIXME: If something is removed from craftresult with a right click,
Objects:
--------
TODO: Get rid of MapBlockObjects
TODO: Get rid of MapBlockObjects and use ActiveObjects
Map:
----
@ -2534,9 +2536,9 @@ int main(int argc, char *argv[])
MapBlockObject *selected_object = client.getSelectedObject
(d*BS, camera_position, shootline);
/*
If it's pointing to a MapBlockObject
*/
ClientActiveObject *selected_active_object
= client.getSelectedActiveObject
(d*BS, camera_position, shootline);
if(selected_object != NULL)
{
@ -2594,6 +2596,76 @@ int main(int argc, char *argv[])
}
}
}
else if(selected_active_object != NULL)
{
//dstream<<"Client returned selected_active_object != NULL"<<std::endl;
core::aabbox3d<f32> *selection_box
= selected_active_object->getSelectionBox();
// Box should exist because it was returned in the first place
assert(selection_box);
v3f pos = selected_active_object->getPosition();
core::aabbox3d<f32> box_on_map(
selection_box->MinEdge + pos,
selection_box->MaxEdge + pos
);
hilightboxes.push_back(box_on_map);
infotext = narrow_to_wide("A ClientActiveObject");
//infotext = narrow_to_wide(selected_object->infoText());
if(g_input->getLeftClicked())
{
std::cout<<DTIME<<"Left-clicked object"<<std::endl;
#if 0
client.clickObject(0, selected_object->getBlock()->getPos(),
selected_object->getId(), g_selected_item);
#endif
}
else if(g_input->getRightClicked())
{
std::cout<<DTIME<<"Right-clicked object"<<std::endl;
#if 0
/*
Check if we want to modify the object ourselves
*/
if(selected_object->getTypeId() == MAPBLOCKOBJECT_TYPE_SIGN)
{
dstream<<"Sign object right-clicked"<<std::endl;
if(random_input == false)
{
// Get a new text for it
TextDest *dest = new TextDestSign(
selected_object->getBlock()->getPos(),
selected_object->getId(),
&client);
SignObject *sign_object = (SignObject*)selected_object;
std::wstring wtext =
narrow_to_wide(sign_object->getText());
(new GUITextInputMenu(guienv, guiroot, -1,
&g_menumgr, dest,
wtext))->drop();
}
}
/*
Otherwise pass the event to the server as-is
*/
else
{
client.clickObject(1, selected_object->getBlock()->getPos(),
selected_object->getId(), g_selected_item);
}
#endif
}
}
else // selected_object == NULL
{

@ -99,6 +99,9 @@ void NodeMetadata::registerType(u16 id, Factory f)
SignNodeMetadata
*/
// Prototype
SignNodeMetadata proto_SignNodeMetadata("");
SignNodeMetadata::SignNodeMetadata(std::string text):
m_text(text)
{
@ -130,6 +133,9 @@ std::string SignNodeMetadata::infoText()
ChestNodeMetadata
*/
// Prototype
ChestNodeMetadata proto_ChestNodeMetadata;
ChestNodeMetadata::ChestNodeMetadata()
{
NodeMetadata::registerType(typeId(), create);
@ -182,6 +188,9 @@ bool ChestNodeMetadata::nodeRemovalDisabled()
FurnaceNodeMetadata
*/
// Prototype
FurnaceNodeMetadata proto_FurnaceNodeMetadata;
FurnaceNodeMetadata::FurnaceNodeMetadata()
{
NodeMetadata::registerType(typeId(), create);

@ -1222,7 +1222,7 @@ void Server::AsyncRunStep()
//u16 peer_id = i.getNode()->getKey();
RemoteClient *client = i.getNode()->getValue();
Player *player = m_env.getPlayer(client->peer_id);
std::cout<<player->getName()<<" ";
std::cout<<player->getName()<<"\t";
client->PrintInfo(std::cout);
}
}
@ -1235,6 +1235,8 @@ void Server::AsyncRunStep()
Check added and deleted active objects
*/
{
//dstream<<"Server: Checking added and deleted active objects"<<std::endl;
JMutexAutoLock envlock(m_env_mutex);
JMutexAutoLock conlock(m_con_mutex);
@ -1248,7 +1250,11 @@ void Server::AsyncRunStep()
RemoteClient *client = i.getNode()->getValue();
Player *player = m_env.getPlayer(client->peer_id);
if(player==NULL)
{
dstream<<"WARNING: "<<__FUNCTION_NAME<<": Client "<<client->peer_id
<<" has no associated player"<<std::endl;
continue;
}
v3s16 pos = floatToInt(player->getPosition(), BS);
core::map<u16, bool> removed_objects;
@ -1260,7 +1266,10 @@ void Server::AsyncRunStep()
// Ignore if nothing happened
if(removed_objects.size() == 0 && added_objects.size() == 0)
{
//dstream<<"INFO: active objects: none changed"<<std::endl;
continue;
}
std::string data_buffer;

@ -285,7 +285,7 @@ public:
void PrintInfo(std::ostream &o)
{
o<<"RemoteClient "<<peer_id<<": "
<<", m_blocks_sent.size()="<<m_blocks_sent.size()
<<"m_blocks_sent.size()="<<m_blocks_sent.size()
<<", m_blocks_sending.size()="<<m_blocks_sending.size()
<<", m_nearest_unsent_d="<<m_nearest_unsent_d
<<", m_excess_gotblocks="<<m_excess_gotblocks

@ -80,4 +80,35 @@ void TestSAO::step(float dtime, Queue<ActiveObjectMessage> &messages)
}
/*
ItemSAO
*/
ItemSAO::ItemSAO(ServerEnvironment *env, u16 id, v3f pos,
const std::string inventorystring):
ServerActiveObject(env, id, pos),
m_inventorystring(inventorystring)
{
dstream<<"Server: ItemSAO created with inventorystring=\""
<<m_inventorystring<<"\""<<std::endl;
}
void ItemSAO::step(float dtime, Queue<ActiveObjectMessage> &messages)
{
}
std::string ItemSAO::getClientInitializationData()
{
dstream<<__FUNCTION_NAME<<std::endl;
std::string data;
data += itos(m_base_position.X);
data += ",";
data += itos(m_base_position.Y);
data += ",";
data += itos(m_base_position.Z);
data += ":";
data += m_inventorystring;
return data;
}

@ -87,10 +87,12 @@ public:
// Number of players which know about this object
u16 m_known_by_count;
/*
Whether this object is to be removed when nobody knows about
- Whether this object is to be removed when nobody knows about
it anymore.
Removal is delayed to preserve the id for the time during which
- Removal is delayed to preserve the id for the time during which
it could be confused to some other object by some client.
- This is set to true by the step() method when the object wants
to be deleted.
*/
bool m_removed;
@ -113,5 +115,20 @@ private:
float m_age;
};
class ItemSAO : public ServerActiveObject
{
public:
ItemSAO(ServerEnvironment *env, u16 id, v3f pos,
const std::string inventorystring);
u8 getType() const
{
return ACTIVEOBJECT_TYPE_ITEM;
}
void step(float dtime, Queue<ActiveObjectMessage> &messages);
std::string getClientInitializationData();
private:
std::string m_inventorystring;
};
#endif