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mirror of https://github.com/moparisthebest/minetest synced 2024-12-22 23:58:48 -05:00

+ fireflies

This commit is contained in:
Nils Dagsson Moskopp 2011-07-20 22:04:24 +02:00
parent 4cbdf136fc
commit 8129d16dd3
8 changed files with 409 additions and 2 deletions

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data/firefly.png Normal file

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@ -752,4 +752,161 @@ void Oerkki1CAO::initialize(const std::string &data)
updateNodePos();
}
/*
FireflyCAO
*/
// Prototype
FireflyCAO proto_FireflyCAO;
FireflyCAO::FireflyCAO():
ClientActiveObject(0),
m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS/2.,BS/3.),
m_node(NULL),
m_position(v3f(0,10*BS,0)),
m_yaw(0)
{
ClientActiveObject::registerType(getType(), create);
}
FireflyCAO::~FireflyCAO()
{
}
ClientActiveObject* FireflyCAO::create()
{
return new FireflyCAO();
}
void FireflyCAO::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(0,0,0, 0,0,0, c, 0,1),
video::S3DVertex(BS/2,0,0, 0,0,0, c, 1,1),
video::S3DVertex(BS/2,BS/2,0, 0,0,0, c, 1,0),
video::S3DVertex(0,BS/2,0, 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(getTexturePath("firefly.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 FireflyCAO::removeFromScene()
{
if(m_node == NULL)
return;
m_node->remove();
m_node = NULL;
}
void FireflyCAO::updateLight(u8 light_at_pos)
{
if(m_node == NULL)
return;
u8 li = 255;
video::SColor color(255,li,li,li);
scene::IMesh *mesh = m_node->getMesh();
if(mesh == NULL)
return;
u16 mc = mesh->getMeshBufferCount();
for(u16 j=0; j<mc; j++)
{
scene::IMeshBuffer *buf = mesh->getMeshBuffer(j);
video::S3DVertex *vertices = (video::S3DVertex*)buf->getVertices();
u16 vc = buf->getVertexCount();
for(u16 i=0; i<vc; i++)
{
vertices[i].Color = color;
}
}
}
v3s16 FireflyCAO::getLightPosition()
{
return floatToInt(m_position+v3f(0,BS*0.5,0), BS);
}
void FireflyCAO::updateNodePos()
{
if(m_node == NULL)
return;
//m_node->setPosition(m_position);
m_node->setPosition(pos_translator.vect_show);
v3f rot = m_node->getRotation();
rot.Y = 180.0 - m_yaw;
m_node->setRotation(rot);
}
void FireflyCAO::step(float dtime, ClientEnvironment *env)
{
pos_translator.translate(dtime);
updateNodePos();
}
void FireflyCAO::processMessage(const std::string &data)
{
//dstream<<"FireflyCAO: Got message"<<std::endl;
std::istringstream is(data, std::ios::binary);
// command
u8 cmd = readU8(is);
if(cmd == 0)
{
// pos
m_position = readV3F1000(is);
pos_translator.update(m_position);
// yaw
m_yaw = readF1000(is);
updateNodePos();
}
}
void FireflyCAO::initialize(const std::string &data)
{
//dstream<<"FireflyCAO: Got init data"<<std::endl;
{
std::istringstream is(data, std::ios::binary);
// version
u8 version = readU8(is);
// check version
if(version != 0)
return;
// pos
m_position = readV3F1000(is);
pos_translator.init(m_position);
}
updateNodePos();
}

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@ -243,6 +243,48 @@ private:
bool m_damage_texture_enabled;
};
/*
FireflyCAO
*/
class FireflyCAO : public ClientActiveObject
{
public:
FireflyCAO();
virtual ~FireflyCAO();
u8 getType() const
{
return ACTIVEOBJECT_TYPE_FIREFLY;
}
static ClientActiveObject* create();
void addToScene(scene::ISceneManager *smgr);
void removeFromScene();
void updateLight(u8 light_at_pos);
v3s16 getLightPosition();
void updateNodePos();
void step(float dtime, ClientEnvironment *env);
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;
float m_yaw;
SmoothTranslator pos_translator;
};
#endif

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@ -65,6 +65,8 @@ std::string item_craft_get_image_name(const std::string &subname)
return "clay_brick.png";
else if(subname == "rat")
return "rat.png";
else if(subname == "firefly")
return "firefly.png";
else
return "cloud.png"; // just something
}
@ -77,13 +79,18 @@ ServerActiveObject* item_craft_create_object(const std::string &subname,
ServerActiveObject *obj = new RatSAO(env, id, pos);
return obj;
}
else if(subname == "firefly")
{
ServerActiveObject *obj = new FireflySAO(env, id, pos);
return obj;
}
return NULL;
}
s16 item_craft_get_drop_count(const std::string &subname)
{
if(subname == "rat")
if(subname == "rat" || subname == "firefly")
return 1;
return -1;

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@ -24,6 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define ACTIVEOBJECT_TYPE_ITEM 2
#define ACTIVEOBJECT_TYPE_RAT 3
#define ACTIVEOBJECT_TYPE_OERKKI1 4
#define ACTIVEOBJECT_TYPE_FIREFLY 5
#endif

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@ -693,4 +693,179 @@ void Oerkki1SAO::doDamage(u16 d)
}
}
/*
FireflySAO
*/
// Prototype
FireflySAO proto_FireflySAO(NULL, 0, v3f(0,0,0));
FireflySAO::FireflySAO(ServerEnvironment *env, u16 id, v3f pos):
ServerActiveObject(env, id, pos),
m_is_active(false),
m_speed_f(0,0,0)
{
ServerActiveObject::registerType(getType(), create);
m_oldpos = v3f(0,0,0);
m_last_sent_position = v3f(0,0,0);
m_yaw = 0;
m_counter1 = 0;
m_counter2 = 0;
m_age = 0;
m_touching_ground = false;
}
ServerActiveObject* FireflySAO::create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data)
{
std::istringstream is(data, std::ios::binary);
char buf[1];
// read version
is.read(buf, 1);
u8 version = buf[0];
// check if version is supported
if(version != 0)
return NULL;
return new FireflySAO(env, id, pos);
}
void FireflySAO::step(float dtime, bool send_recommended)
{
assert(m_env);
if(m_is_active == false)
{
if(m_inactive_interval.step(dtime, 0.5)==false)
return;
}
/*
The AI
*/
// Apply (less) gravity
m_speed_f.Y -= dtime*3*BS;
/*
Move around if some player is close
*/
bool player_is_close = false;
// Check connected players
core::list<Player*> players = m_env->getPlayers(true);
core::list<Player*>::Iterator i;
for(i = players.begin();
i != players.end(); i++)
{
Player *player = *i;
v3f playerpos = player->getPosition();
if(m_base_position.getDistanceFrom(playerpos) < BS*10.0)
{
player_is_close = true;
break;
}
}
m_is_active = player_is_close;
if(player_is_close == false)
{
m_speed_f.X = 0;
m_speed_f.Z = 0;
}
else
{
// Move around
v3f dir(cos(m_yaw/180*PI),0,sin(m_yaw/180*PI));
f32 speed = BS/2;
m_speed_f.X = speed * dir.X;
m_speed_f.Z = speed * dir.Z;
if(m_touching_ground && (m_oldpos - m_base_position).getLength()
< dtime*speed/2)
{
m_counter1 -= dtime;
if(m_counter1 < 0.0)
{
m_counter1 += 1.0;
m_speed_f.Y = 5.0*BS;
}
}
{
m_counter2 -= dtime;
if(m_counter2 < 0.0)
{
m_counter2 += (float)(myrand()%100)/100*3.0;
m_yaw += ((float)(myrand()%200)-100)/100*180;
m_yaw = wrapDegrees(m_yaw);
}
}
}
m_oldpos = m_base_position;
/*
Move it, with collision detection
*/
core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.);
collisionMoveResult moveresult;
// Maximum movement without glitches
f32 pos_max_d = BS*0.25;
// Limit speed
if(m_speed_f.getLength()*dtime > pos_max_d)
m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);
v3f pos_f = getBasePosition();
v3f pos_f_old = pos_f;
moveresult = collisionMoveSimple(&m_env->getMap(), pos_max_d,
box, dtime, pos_f, m_speed_f);
m_touching_ground = moveresult.touching_ground;
setBasePosition(pos_f);
if(send_recommended == false)
return;
if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
{
m_last_sent_position = pos_f;
std::ostringstream os(std::ios::binary);
// command (0 = update position)
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
// yaw
writeF1000(os, m_yaw);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
std::string FireflySAO::getClientInitializationData()
{
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
return os.str();
}
std::string FireflySAO::getStaticData()
{
//dstream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
return os.str();
}
InventoryItem* FireflySAO::createPickedUpItem()
{
std::istringstream is("CraftItem firefly 1", std::ios_base::binary);
InventoryItem *item = InventoryItem::deSerialize(is);
return item;
}

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@ -113,6 +113,30 @@ private:
float m_after_jump_timer;
};
class FireflySAO : public ServerActiveObject
{
public:
FireflySAO(ServerEnvironment *env, u16 id, v3f pos);
u8 getType() const
{return ACTIVEOBJECT_TYPE_FIREFLY;}
static ServerActiveObject* create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data);
void step(float dtime, bool send_recommended);
std::string getClientInitializationData();
std::string getStaticData();
InventoryItem* createPickedUpItem();
private:
bool m_is_active;
IntervalLimiter m_inactive_interval;
v3f m_speed_f;
v3f m_oldpos;
v3f m_last_sent_position;
float m_yaw;
float m_counter1;
float m_counter2;
float m_age;
bool m_touching_ground;
};
#endif

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@ -976,7 +976,8 @@ void ServerEnvironment::step(float dtime)
//TestSAO *obj = new TestSAO(this, 0, pos);
//ServerActiveObject *obj = new ItemSAO(this, 0, pos, "CraftItem Stick 1");
//ServerActiveObject *obj = new RatSAO(this, 0, pos);
ServerActiveObject *obj = new Oerkki1SAO(this, 0, pos);
//ServerActiveObject *obj = new Oerkki1SAO(this, 0, pos);
ServerActiveObject *obj = new FireflySAO(this, 0, pos);
addActiveObject(obj);
}
#endif