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minetest
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Reshape LuaEntityCAO implementation a bit and make TNT to blink

This commit is contained in:
Perttu Ahola 2011-11-26 12:35:30 +02:00
parent 1ce749c86a
commit 70363847aa
6 changed files with 373 additions and 307 deletions
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16
data/mods/default/init.lua
View File

@ -1176,18 +1176,32 @@ local TNT = {
timer = 0,
-- Number of punches required to defuse
health = 1,
blinktimer = 0,
blinkstatus = true,
}
-- Called when a TNT object is created
function TNT:on_activate(staticdata)
print("TNT:on_activate()")
self.object:setvelocity({x=0, y=2, z=0})
self.object:setvelocity({x=0, y=4, z=0})
self.object:setacceleration({x=0, y=-10, z=0})
self.object:settexturemod("^[brighten")
end
-- Called periodically
function TNT:on_step(dtime)
--print("TNT:on_step()")
self.timer = self.timer + dtime
self.blinktimer = self.blinktimer + dtime
if self.blinktimer > 0.5 then
self.blinktimer = self.blinktimer - 0.5
if blinkstatus then
self.object:settexturemod("")
else
self.object:settexturemod("^[brighten")
end
blinkstatus = not blinkstatus
end
end
-- Called when object is punched

182
src/content_cao.cpp
View File

@ -1269,11 +1269,35 @@ void MobV2CAO::setLooks(const std::string &looks)
#include "luaentity_common.h"
// Prototype
LuaEntityCAO proto_LuaEntityCAO(NULL);
class CLuaEntityCAO : public LuaEntityCAO
{
private:
core::aabbox3d<f32> m_selection_box;
scene::IMeshSceneNode *m_meshnode;
scene::MyBillboardSceneNode *m_spritenode;
v3f m_position;
v3f m_velocity;
v3f m_acceleration;
float m_yaw;
struct LuaEntityProperties *m_prop;
SmoothTranslator pos_translator;
LuaEntityCAO::LuaEntityCAO(IGameDef *gamedef):
ClientActiveObject(0, gamedef),
public:
u8 getType() const
{
return ACTIVEOBJECT_TYPE_LUAENTITY;
}
core::aabbox3d<f32>* getSelectionBox()
{
return &m_selection_box;
}
v3f getPosition()
{
return pos_translator.vect_show;
}
CLuaEntityCAO(IGameDef *gamedef):
LuaEntityCAO(gamedef),
m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
m_meshnode(NULL),
m_spritenode(NULL),
@ -1282,36 +1306,33 @@ LuaEntityCAO::LuaEntityCAO(IGameDef *gamedef):
m_acceleration(v3f(0,0,0)),
m_yaw(0),
m_prop(new LuaEntityProperties)
{
{
ClientActiveObject::registerType(getType(), create);
}
}
LuaEntityCAO::~LuaEntityCAO()
{
~CLuaEntityCAO()
{
delete m_prop;
}
}
ClientActiveObject* LuaEntityCAO::create(IGameDef *gamedef)
{
return new LuaEntityCAO(gamedef);
}
static ClientActiveObject* create(IGameDef *gamedef)
{
return new CLuaEntityCAO(gamedef);
}
void LuaEntityCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc)
{
void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc)
{
if(m_meshnode != NULL || m_spritenode != NULL)
return;
//video::IVideoDriver* driver = smgr->getVideoDriver();
if(m_prop->visual == "single_sprite"){
infostream<<"LuaEntityCAO::addToScene(): single_sprite"<<std::endl;
infostream<<"CLuaEntityCAO::addToScene(): single_sprite"<<std::endl;
m_spritenode = new scene::MyBillboardSceneNode(
smgr->getRootSceneNode(), smgr, -1, v3f(0,0,0), v2f(1,1));
std::string texturestring = "unknown_block.png";
if(m_prop->textures.size() >= 1)
texturestring = m_prop->textures[0];
m_spritenode->setMaterialTexture(0,
tsrc->getTextureRaw(texturestring));
tsrc->getTextureRaw("unknown_block.png"));
m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
@ -1328,7 +1349,7 @@ void LuaEntityCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc)
m_spritenode->setTCoords(3, v2f(txs*0, tys*1));
}
} else if(m_prop->visual == "cube"){
infostream<<"LuaEntityCAO::addToScene(): cube"<<std::endl;
infostream<<"CLuaEntityCAO::addToScene(): cube"<<std::endl;
video::SColor c(255,255,255,255);
video::S3DVertex vertices[24] =
{
@ -1385,37 +1406,18 @@ void LuaEntityCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc)
m_meshnode->setMesh(mesh);
m_meshnode->setScale(v3f(1));
for (u32 i = 0; i < 6; ++i)
{
std::string texturestring = "unknown_block.png";
if(m_prop->textures.size() > i)
texturestring = m_prop->textures[i];
AtlasPointer ap = tsrc->getTexture(texturestring);
// Get the tile texture and atlas transformation
video::ITexture* atlas = ap.atlas;
v2f pos = ap.pos;
v2f size = ap.size;
// Set material flags and texture
video::SMaterial& material = m_meshnode->getMaterial(i);
material.setFlag(video::EMF_LIGHTING, false);
material.setFlag(video::EMF_BILINEAR_FILTER, false);
material.setTexture(0, atlas);
material.getTextureMatrix(0).setTextureTranslate(pos.X, pos.Y);
material.getTextureMatrix(0).setTextureScale(size.X, size.Y);
}
// Will be shown when we know the brightness
m_meshnode->setVisible(false);
} else {
infostream<<"LuaEntityCAO::addToScene(): \""<<m_prop->visual
infostream<<"CLuaEntityCAO::addToScene(): \""<<m_prop->visual
<<"\" not supported"<<std::endl;
}
updateTextures("");
updateNodePos();
}
}
void LuaEntityCAO::removeFromScene()
{
void removeFromScene()
{
if(m_meshnode){
m_meshnode->remove();
m_meshnode = NULL;
@ -1424,10 +1426,10 @@ void LuaEntityCAO::removeFromScene()
m_spritenode->remove();
m_spritenode = NULL;
}
}
}
void LuaEntityCAO::updateLight(u8 light_at_pos)
{
void updateLight(u8 light_at_pos)
{
u8 li = decode_light(light_at_pos);
video::SColor color(255,li,li,li);
if(m_meshnode){
@ -1438,25 +1440,25 @@ void LuaEntityCAO::updateLight(u8 light_at_pos)
m_spritenode->setColor(color);
m_spritenode->setVisible(true);
}
}
}
v3s16 LuaEntityCAO::getLightPosition()
{
v3s16 getLightPosition()
{
return floatToInt(m_position, BS);
}
}
void LuaEntityCAO::updateNodePos()
{
void updateNodePos()
{
if(m_meshnode){
m_meshnode->setPosition(pos_translator.vect_show);
}
if(m_spritenode){
m_spritenode->setPosition(pos_translator.vect_show);
}
}
}
void LuaEntityCAO::step(float dtime, ClientEnvironment *env)
{
void step(float dtime, ClientEnvironment *env)
{
if(m_prop->physical){
core::aabbox3d<f32> box = m_prop->collisionbox;
box.MinEdge *= BS;
@ -1485,15 +1487,52 @@ void LuaEntityCAO::step(float dtime, ClientEnvironment *env)
pos_translator.translate(dtime);
updateNodePos();
}
}
}
void LuaEntityCAO::processMessage(const std::string &data)
{
infostream<<"LuaEntityCAO: Got message"<<std::endl;
void updateTextures(const std::string &mod)
{
ITextureSource *tsrc = m_gamedef->tsrc();
if(m_spritenode){
std::string texturestring = "unknown_block.png";
if(m_prop->textures.size() >= 1)
texturestring = m_prop->textures[0];
texturestring += mod;
m_spritenode->setMaterialTexture(0,
tsrc->getTextureRaw(texturestring));
}
if(m_meshnode){
for (u32 i = 0; i < 6; ++i)
{
std::string texturestring = "unknown_block.png";
if(m_prop->textures.size() > i)
texturestring = m_prop->textures[i];
texturestring += mod;
AtlasPointer ap = tsrc->getTexture(texturestring);
// Get the tile texture and atlas transformation
video::ITexture* atlas = ap.atlas;
v2f pos = ap.pos;
v2f size = ap.size;
// Set material flags and texture
video::SMaterial& material = m_meshnode->getMaterial(i);
material.setFlag(video::EMF_LIGHTING, false);
material.setFlag(video::EMF_BILINEAR_FILTER, false);
material.setTexture(0, atlas);
material.getTextureMatrix(0).setTextureTranslate(pos.X, pos.Y);
material.getTextureMatrix(0).setTextureScale(size.X, size.Y);
}
}
}
void processMessage(const std::string &data)
{
infostream<<"CLuaEntityCAO: Got message"<<std::endl;
std::istringstream is(data, std::ios::binary);
// command
u8 cmd = readU8(is);
if(cmd == 0)
if(cmd == 0) // update position
{
// do_interpolate
bool do_interpolate = readU8(is);
@ -1518,11 +1557,16 @@ void LuaEntityCAO::processMessage(const std::string &data)
}
updateNodePos();
}
}
else if(cmd == 1) // set texture modification
{
std::string mod = deSerializeString(is);
updateTextures(mod);
}
}
void LuaEntityCAO::initialize(const std::string &data)
{
infostream<<"LuaEntityCAO: Got init data"<<std::endl;
void initialize(const std::string &data)
{
infostream<<"CLuaEntityCAO: Got init data"<<std::endl;
std::istringstream is(data, std::ios::binary);
// version
@ -1547,6 +1591,10 @@ void LuaEntityCAO::initialize(const std::string &data)
pos_translator.init(m_position);
updateNodePos();
}
}
};
// Prototype
CLuaEntityCAO proto_CLuaEntityCAO(NULL);

53
src/content_cao.h
View File

@ -391,48 +391,25 @@ class MobV2CAO : public ClientActiveObject
LuaEntityCAO
*/
struct LuaEntityProperties;
class LuaEntityCAO : public ClientActiveObject
{
public:
LuaEntityCAO(IGameDef *gamedef);
virtual ~LuaEntityCAO();
u8 getType() const
{
return ACTIVEOBJECT_TYPE_LUAENTITY;
}
static ClientActiveObject* create(IGameDef *gamedef);
void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc);
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 pos_translator.vect_show;}
LuaEntityCAO(IGameDef *gamedef):
ClientActiveObject(0, gamedef)
{}
virtual ~LuaEntityCAO(){}
virtual u8 getType() const=0;
virtual void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc)=0;
virtual void removeFromScene()=0;
virtual void updateLight(u8 light_at_pos)=0;
virtual v3s16 getLightPosition()=0;
virtual void updateNodePos()=0;
virtual void step(float dtime, ClientEnvironment *env)=0;
virtual void processMessage(const std::string &data)=0;
virtual void initialize(const std::string &data)=0;
virtual core::aabbox3d<f32>* getSelectionBox()=0;
virtual v3f getPosition()=0;
private:
core::aabbox3d<f32> m_selection_box;
scene::IMeshSceneNode *m_meshnode;
scene::MyBillboardSceneNode *m_spritenode;
v3f m_position;
v3f m_velocity;
v3f m_acceleration;
float m_yaw;
struct LuaEntityProperties *m_prop;
SmoothTranslator pos_translator;
};

12
src/content_sao.cpp
View File

@ -1748,6 +1748,18 @@ void LuaEntitySAO::setAcceleration(v3f acceleration)
m_acceleration = acceleration;
}
void LuaEntitySAO::setTextureMod(const std::string &mod)
{
std::ostringstream os(std::ios::binary);
// command (1 = set texture modification)
writeU8(os, 1);
// parameters
os<<serializeString(mod);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
void LuaEntitySAO::sendPosition(bool do_interpolate, bool is_movement_end)
{
m_last_sent_move_precision = m_base_position.getDistanceFrom(

2
src/content_sao.h
View File

@ -216,8 +216,10 @@ class LuaEntitySAO : public ServerActiveObject
void setPos(v3f pos);
void moveTo(v3f pos, bool continuous);
float getMinimumSavedMovement();
/* LuaEntitySAO-specific */
void setVelocity(v3f velocity);
void setAcceleration(v3f acceleration);
void setTextureMod(const std::string &mod);
private:
void sendPosition(bool do_interpolate, bool is_movement_end);

13
src/scriptapi.cpp
View File

@ -1252,6 +1252,18 @@ class ObjectRef
return 1;
}
// settexturemod(self, mod)
static int l_settexturemod(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
LuaEntitySAO *co = getluaobject(ref);
if(co == NULL) return 0;
// Do it
std::string mod = lua_tostring(L, 2);
co->setTextureMod(mod);
return 0;
}
public:
ObjectRef(ServerActiveObject *object):
m_object(object)
@ -1322,6 +1334,7 @@ const luaL_reg ObjectRef::methods[] = {
method(ObjectRef, setvelocity),
method(ObjectRef, setacceleration),
method(ObjectRef, add_to_inventory),
method(ObjectRef, settexturemod),
{0,0}
};