C++ idLexer::ParseFloat方法代码示例

/*
================
idAFVector::Parse
================
*/
bool idAFVector::Parse( idLexer &src ) {
	idToken token;

	if ( !src.ReadToken( &token ) ) {
		return false;
	}

	if ( token == "-" ) {
		negate = true;
		if ( !src.ReadToken( &token ) ) {
			return false;
		}
	}
	else {
		negate = false;
	}

	if ( token == "(" ) {
		type = idAFVector::VEC_COORDS;
		vec.x = src.ParseFloat();
		src.ExpectTokenString( "," );
		vec.y = src.ParseFloat();
		src.ExpectTokenString( "," );
		vec.z = src.ParseFloat();
		src.ExpectTokenString( ")" );
	}
	else if ( token == "joint" ) {
		type = idAFVector::VEC_JOINT;
		src.ExpectTokenString( "(" );
		src.ReadToken( &token );
		joint1 = token;
		src.ExpectTokenString( ")" );
	}
	else if ( token == "bonecenter" ) {
		type = idAFVector::VEC_BONECENTER;
		src.ExpectTokenString( "(" );
		src.ReadToken( &token );
		joint1 = token;
		src.ExpectTokenString( "," );
		src.ReadToken( &token );
		joint2 = token;
		src.ExpectTokenString( ")" );
	}
	else if ( token == "bonedir" ) {
		type = idAFVector::VEC_BONEDIR;
		src.ExpectTokenString( "(" );
		src.ReadToken( &token );
		joint1 = token;
		src.ExpectTokenString( "," );
		src.ReadToken( &token );
		joint2 = token;
		src.ExpectTokenString( ")" );
	}
	else {
		src.Error( "unknown token %s in vector", token.c_str() );
		return false;
	}

	return true;
}

/*
================
idDeclAF::ParseHinge
================
*/
bool idDeclAF::ParseHinge( idLexer &src ) {
	idToken token;
	idDeclAF_Constraint *constraint = new idDeclAF_Constraint;

	constraint->SetDefault( this );
	constraints.Alloc() = constraint;

	if ( !src.ExpectTokenType( TT_STRING, 0, &token ) ||
			!src.ExpectTokenString( "{" ) ) {
		return false;
	}

	constraint->type = DECLAF_CONSTRAINT_HINGE;
	constraint->limit = idDeclAF_Constraint::LIMIT_NONE;
	constraint->name = token;
	constraint->friction = 0.5f;
	constraint->anchor.ToVec3().Zero();
	constraint->axis.ToVec3().Zero();

	while( src.ReadToken( &token ) ) {

		if ( !token.Icmp( "body1" ) ) {
			src.ExpectTokenType( TT_STRING, 0, &token );
			constraint->body1 = token;
		} else if ( !token.Icmp( "body2" ) ) {
			src.ExpectTokenType( TT_STRING, 0, &token );
			constraint->body2 = token;
		} else if ( !token.Icmp( "anchor" ) ) {
			if ( !constraint->anchor.Parse( src ) ) {
				return false;
			}
		} else if ( !token.Icmp( "axis" ) ) {
			if ( !constraint->axis.Parse( src ) ) {
				return false;
			}
		} else if ( !token.Icmp( "limit" ) ) {
			constraint->limitAngles[0] = src.ParseFloat();
			if ( !src.ExpectTokenString( "," ) ) {
				return false;
			}
			constraint->limitAngles[1] = src.ParseFloat();
			if ( !src.ExpectTokenString( "," ) ) {
				return false;
			}
			constraint->limitAngles[2] = src.ParseFloat();
			constraint->limit = idDeclAF_Constraint::LIMIT_CONE;
		} else if ( !token.Icmp( "friction" ) ) {
			constraint->friction = src.ParseFloat();
		} else if ( token == "}" ) {
			break;
		} else {
			src.Error( "unknown token %s in hinge", token.c_str() );
			return false;
		}
	}

	return true;
}

/*
============
idAASSettings::ParseFloat
============
*/
bool idAASSettings::ParseFloat( idLexer &src, float &f ) {
	if ( !src.ExpectTokenString( "=" ) ) {
		return false;
	}
	f = src.ParseFloat();
	return true;
}

/*
================
idDeclAF::ParseSlider
================
*/
bool idDeclAF::ParseSlider( idLexer& src )
{
	idToken token;
	idDeclAF_Constraint* constraint = new( TAG_DECL ) idDeclAF_Constraint;
	
	constraint->SetDefault( this );
	constraints.Alloc() = constraint;
	
	if( !src.ExpectTokenType( TT_STRING, 0, &token ) ||
			!src.ExpectTokenString( "{" ) )
	{
		return false;
	}
	
	constraint->type = DECLAF_CONSTRAINT_SLIDER;
	constraint->limit = idDeclAF_Constraint::LIMIT_NONE;
	constraint->name = token;
	constraint->friction = 0.5f;
	
	while( src.ReadToken( &token ) )
	{
	
		if( !token.Icmp( "body1" ) )
		{
			src.ExpectTokenType( TT_STRING, 0, &token );
			constraint->body1 = token;
		}
		else if( !token.Icmp( "body2" ) )
		{
			src.ExpectTokenType( TT_STRING, 0, &token );
			constraint->body2 = token;
		}
		else if( !token.Icmp( "axis" ) )
		{
			if( !constraint->axis.Parse( src ) )
			{
				return false;
			}
		}
		else if( !token.Icmp( "friction" ) )
		{
			constraint->friction = src.ParseFloat();
		}
		else if( token == "}" )
		{
			break;
		}
		else
		{
			src.Error( "unknown token %s in slider", token.c_str() );
			return false;
		}
	}
	
	return true;
}

/*
================
idDeclAF::ParseSpring
================
*/
bool idDeclAF::ParseSpring( idLexer &src ) {
	idToken token;
	idDeclAF_Constraint *constraint = new idDeclAF_Constraint;

	constraint->SetDefault( this );
	constraints.Alloc() = constraint;

	if ( !src.ExpectTokenType( TT_STRING, 0, &token ) ||
			!src.ExpectTokenString( "{" ) ) {
		return false;
	}

	constraint->type = DECLAF_CONSTRAINT_SPRING;
	constraint->limit = idDeclAF_Constraint::LIMIT_NONE;
	constraint->name = token;
	constraint->friction = 0.5f;

	while( src.ReadToken( &token ) ) {

		if ( !token.Icmp( "body1" ) ) {
			src.ExpectTokenType( TT_STRING, 0, &token );
			constraint->body1 = token;
		} else if ( !token.Icmp( "body2" ) ) {
			src.ExpectTokenType( TT_STRING, 0, &token );
			constraint->body2 = token;
		} else if ( !token.Icmp( "anchor1" ) ) {
			if ( !constraint->anchor.Parse( src ) ) {
				return false;
			}
		} else if ( !token.Icmp( "anchor2" ) ) {
			if ( !constraint->anchor2.Parse( src ) ) {
				return false;
			}
		} else if ( !token.Icmp( "friction" ) ) {
			constraint->friction = src.ParseFloat();
		} else if ( !token.Icmp( "stretch" ) ) {
			constraint->stretch = src.ParseFloat();
		} else if ( !token.Icmp( "compress" ) ) {
			constraint->compress = src.ParseFloat();
		} else if ( !token.Icmp( "damping" ) ) {
			constraint->damping = src.ParseFloat();
		} else if ( !token.Icmp( "restLength" ) ) {
			constraint->restLength = src.ParseFloat();
		} else if ( !token.Icmp( "minLength" ) ) {
			constraint->minLength = src.ParseFloat();
		} else if ( !token.Icmp( "maxLength" ) ) {
			constraint->maxLength = src.ParseFloat();
		} else if ( token == "}" ) {
			break;
		} else {
			src.Error( "unknown token %s in spring", token.c_str() );
			return false;
		}
	}

	return true;
}

/*
===============
idSoundShader::ParseShader
===============
*/
bool idSoundShader::ParseShader( idLexer &src )
{
    int			i;
    idToken		token;

    parms.minDistance = 1;
    parms.maxDistance = 10;
    parms.volume = 1;
    parms.shakes = 0;
    parms.soundShaderFlags = 0;
    parms.soundClass = 0;

    speakerMask = 0;
    altSound = NULL;

    for( i = 0; i < SOUND_MAX_LIST_WAVS; i++ )
    {
        leadins[i] = NULL;
        entries[i] = NULL;
    }
    numEntries = 0;
    numLeadins = 0;

    int	maxSamples = idSoundSystemLocal::s_maxSoundsPerShader.GetInteger();
    if ( com_makingBuild.GetBool() || maxSamples <= 0 || maxSamples > SOUND_MAX_LIST_WAVS )
    {
        maxSamples = SOUND_MAX_LIST_WAVS;
    }

    while ( 1 )
    {
        if ( !src.ExpectAnyToken( &token ) )
        {
            return false;
        }
        // end of definition
        else if ( token == "}" )
        {
            break;
        }
        // minimum number of sounds
        else if ( !token.Icmp( "minSamples" ) )
        {
            maxSamples = idMath::ClampInt( src.ParseInt(), SOUND_MAX_LIST_WAVS, maxSamples );
        }
        // description
        else if ( !token.Icmp( "description" ) )
        {
            src.ReadTokenOnLine( &token );
            desc = token.c_str();
        }
        // mindistance
        else if ( !token.Icmp( "mindistance" ) )
        {
            parms.minDistance = src.ParseFloat();
        }
        // maxdistance
        else if ( !token.Icmp( "maxdistance" ) )
        {
            parms.maxDistance = src.ParseFloat();
        }
        // shakes screen
        else if ( !token.Icmp( "shakes" ) )
        {
            src.ExpectAnyToken( &token );
            if ( token.type == TT_NUMBER )
            {
                parms.shakes = token.GetFloatValue();
            }
            else
            {
                src.UnreadToken( &token );
                parms.shakes = 1.0f;
            }
        }
        // reverb
        else if ( !token.Icmp( "reverb" ) )
        {
            int reg0 = src.ParseFloat();
            if ( !src.ExpectTokenString( "," ) )
            {
                src.FreeSource();
                return false;
            }
            int reg1 = src.ParseFloat();
            // no longer supported
        }
        // volume
        else if ( !token.Icmp( "volume" ) )
        {
            parms.volume = src.ParseFloat();
        }
        // leadinVolume is used to allow light breaking leadin sounds to be much louder than the broken loop
        else if ( !token.Icmp( "leadinVolume" ) )
        {
//.........这里部分代码省略.........

bool idEFXFile::ReadEffect( idLexer &src, idSoundEffect *effect ) {
	idToken name, token;

	if ( !src.ReadToken( &token ) )
		return false;

	// reverb effect
	if ( token != "reverb" ) {
		// other effect (not supported at the moment)
		src.Error( "idEFXFile::ReadEffect: Unknown effect definition" );

		return false;
	}

	src.ReadTokenOnLine( &token );
	name = token;

	if ( !src.ReadToken( &token ) )
		return false;

	if ( token != "{" ) {
		src.Error( "idEFXFile::ReadEffect: { not found, found %s", token.c_str() );
		return false;
	}

	ALenum err;
	alGetError();
	EFXprintf("Loading EFX effect '%s' (#%u)\n", name.c_str(), effect->effect);

	do {
		if ( !src.ReadToken( &token ) ) {
			src.Error( "idEFXFile::ReadEffect: EOF without closing brace" );
			return false;
		}

		if ( token == "}" ) {
			effect->name = name;
			break;
		}

		if ( token == "environment" ) {
			// <+KittyCat> the "environment" token should be ignored (efx has nothing equatable to it)
			src.ParseInt();
		} else if ( token == "environment size" ) {
			float size = src.ParseFloat();
			efxf(AL_EAXREVERB_DENSITY, (size < 2.0f) ? (size - 1.0f) : 1.0f);
		} else if ( token == "environment diffusion" ) {
			efxf(AL_EAXREVERB_DIFFUSION, src.ParseFloat());
		} else if ( token == "room" ) {
			efxf(AL_EAXREVERB_GAIN, mB_to_gain(src.ParseInt(), GAIN));
		} else if ( token == "room hf" ) {
			efxf(AL_EAXREVERB_GAINHF, mB_to_gain(src.ParseInt(), GAINHF));
		} else if ( token == "room lf" ) {
			efxf(AL_EAXREVERB_GAINLF, mB_to_gain(src.ParseInt(), GAINLF));
		} else if ( token == "decay time" ) {
			efxf(AL_EAXREVERB_DECAY_TIME, src.ParseFloat());
		} else if ( token == "decay hf ratio" ) {
			efxf(AL_EAXREVERB_DECAY_HFRATIO, src.ParseFloat());
		} else if ( token == "decay lf ratio" ) {
			efxf(AL_EAXREVERB_DECAY_LFRATIO, src.ParseFloat());
		} else if ( token == "reflections" ) {
			efxf(AL_EAXREVERB_REFLECTIONS_GAIN, mB_to_gain(src.ParseInt(), REFLECTIONS_GAIN));
		} else if ( token == "reflections delay" ) {
			efxf(AL_EAXREVERB_REFLECTIONS_DELAY, src.ParseFloat());
		} else if ( token == "reflections pan" ) {
			efxfv(AL_EAXREVERB_REFLECTIONS_PAN, src.ParseFloat(), src.ParseFloat(), src.ParseFloat());
		} else if ( token == "reverb" ) {
			efxf(AL_EAXREVERB_LATE_REVERB_GAIN, mB_to_gain(src.ParseInt(), LATE_REVERB_GAIN));
		} else if ( token == "reverb delay" ) {
			efxf(AL_EAXREVERB_LATE_REVERB_DELAY, src.ParseFloat());
		} else if ( token == "reverb pan" ) {
			efxfv(AL_EAXREVERB_LATE_REVERB_PAN, src.ParseFloat(), src.ParseFloat(), src.ParseFloat());
		} else if ( token == "echo time" ) {
			efxf(AL_EAXREVERB_ECHO_TIME, src.ParseFloat());
		} else if ( token == "echo depth" ) {
			efxf(AL_EAXREVERB_ECHO_DEPTH, src.ParseFloat());
		} else if ( token == "modulation time" ) {
			efxf(AL_EAXREVERB_MODULATION_TIME, src.ParseFloat());
		} else if ( token == "modulation depth" ) {
			efxf(AL_EAXREVERB_MODULATION_DEPTH, src.ParseFloat());
		} else if ( token == "air absorption hf" ) {
			efxf(AL_EAXREVERB_AIR_ABSORPTION_GAINHF, mB_to_gain(src.ParseFloat(), AIR_ABSORPTION_GAINHF));
		} else if ( token == "hf reference" ) {
			efxf(AL_EAXREVERB_HFREFERENCE, src.ParseFloat());
		} else if ( token == "lf reference" ) {
			efxf(AL_EAXREVERB_LFREFERENCE, src.ParseFloat());
		} else if ( token == "room rolloff factor" ) {
			efxf(AL_EAXREVERB_ROOM_ROLLOFF_FACTOR, src.ParseFloat());
		} else if ( token == "flags" ) {
			src.ReadTokenOnLine( &token );
			unsigned int flags = token.GetUnsignedLongValue();

			efxi(AL_EAXREVERB_DECAY_HFLIMIT, (flags & 0x20) ? AL_TRUE : AL_FALSE);
			// the other SCALE flags have no equivalent in efx
		} else {
			src.ReadTokenOnLine( &token );
			src.Error( "idEFXFile::ReadEffect: Invalid parameter in reverb definition" );
		}
	} while ( 1 );

//.........这里部分代码省略.........

/*
================
idDeclAF::ParseBody
================
*/
bool idDeclAF::ParseBody( idLexer &src ) {
	bool hasJoint = false;
	idToken token;
	idAFVector angles;
	idDeclAF_Body *body = new idDeclAF_Body;

	bodies.Alloc() = body;

	body->SetDefault( this );

	if ( !src.ExpectTokenType( TT_STRING, 0, &token ) ||
			!src.ExpectTokenString( "{" ) ) {
		return false;
	}

	body->name = token;
	if ( !body->name.Icmp( "origin" ) || !body->name.Icmp( "world" ) ) {
		src.Error( "a body may not be named \"origin\" or \"world\"" );
		return false;
	}

	while( src.ReadToken( &token ) ) {

		if ( !token.Icmp( "model" ) ) {
			if ( !src.ExpectTokenType( TT_NAME, 0, &token ) ) {
				return false;
			}
			if ( !token.Icmp( "box" ) ) {
				body->modelType = TRM_BOX;
				if ( !src.ExpectTokenString( "(" ) ||
					!body->v1.Parse( src ) ||
					!src.ExpectTokenString( "," ) ||
					!body->v2.Parse( src ) ||
					!src.ExpectTokenString( ")" ) ) {
					return false;
				}
			} else if ( !token.Icmp( "octahedron" ) ) {
				body->modelType = TRM_OCTAHEDRON;
				if ( !src.ExpectTokenString( "(" ) ||
					!body->v1.Parse( src ) ||
					!src.ExpectTokenString( "," ) ||
					!body->v2.Parse( src ) ||
					!src.ExpectTokenString( ")" ) ) {
					return false;
				}
			} else if ( !token.Icmp( "dodecahedron" ) ) {
				body->modelType = TRM_DODECAHEDRON;
				if ( !src.ExpectTokenString( "(" ) ||
					!body->v1.Parse( src ) ||
					!src.ExpectTokenString( "," ) ||
					!body->v2.Parse( src ) ||
					!src.ExpectTokenString( ")" ) ) {
					return false;
				}
			} else if ( !token.Icmp( "cylinder" ) ) {
				body->modelType = TRM_CYLINDER;
				if ( !src.ExpectTokenString( "(" ) ||
					!body->v1.Parse( src ) ||
					!src.ExpectTokenString( "," ) ||
					!body->v2.Parse( src ) ||
					!src.ExpectTokenString( "," ) ) {
					return false;
				}
				body->numSides = src.ParseInt();
				if ( !src.ExpectTokenString( ")" ) ) {
					return false;
				}
			} else if ( !token.Icmp( "cone" ) ) {
				body->modelType = TRM_CONE;
				if ( !src.ExpectTokenString( "(" ) ||
					!body->v1.Parse( src ) ||
					!src.ExpectTokenString( "," ) ||
					!body->v2.Parse( src ) ||
					!src.ExpectTokenString( "," ) ) {
					return false;
				}
				body->numSides = src.ParseInt();
				if ( !src.ExpectTokenString( ")" ) ) {
					return false;
				}
			} else if ( !token.Icmp( "bone" ) ) {
				body->modelType = TRM_BONE;
				if ( !src.ExpectTokenString( "(" ) ||
					!body->v1.Parse( src ) ||
					!src.ExpectTokenString( "," ) ||
					!body->v2.Parse( src ) ||
					!src.ExpectTokenString( "," ) ) {
					return false;
				}
				body->width = src.ParseFloat();
				if ( !src.ExpectTokenString( ")" ) ) {
					return false;
				}
			} else if ( !token.Icmp( "custom" ) ) {
				src.Error( "custom models not yet implemented" );
//.........这里部分代码省略.........

/*
================
idDeclAF::ParseSettings
================
*/
bool idDeclAF::ParseSettings( idLexer &src ) {
	idToken token;

	if ( !src.ExpectTokenString( "{" ) ) {
		return false;
	}

	while( src.ReadToken( &token ) ) {

		if ( !token.Icmp( "mesh" ) ) {
			if ( !src.ExpectTokenType( TT_STRING, 0, &token ) ) {
				return false;
			}
		} else if ( !token.Icmp( "anim" ) ) {
			if ( !src.ExpectTokenType( TT_STRING, 0, &token ) ) {
				return false;
			}
		} else if ( !token.Icmp( "model" ) ) {
			if ( !src.ExpectTokenType( TT_STRING, 0, &token ) ) {
				return false;
			}
			model = token;
		} else if ( !token.Icmp( "skin" ) ) {
			if ( !src.ExpectTokenType( TT_STRING, 0, &token ) ) {
				return false;
			}
			skin = token;
		} else if ( !token.Icmp( "friction" ) ) {

			defaultLinearFriction = src.ParseFloat();
			if ( !src.ExpectTokenString( "," ) ) {
				return false;
			}
			defaultAngularFriction = src.ParseFloat();
			if ( !src.ExpectTokenString( "," ) ) {
				return false;
			}
			defaultContactFriction = src.ParseFloat();
			if ( src.CheckTokenString( "," ) ) {
				defaultConstraintFriction = src.ParseFloat();
			}
		} else if ( !token.Icmp( "totalMass" ) ) {
			totalMass = src.ParseFloat();
		} else if ( !token.Icmp( "suspendSpeed" ) ) {

			suspendVelocity[0] = src.ParseFloat();
			if ( !src.ExpectTokenString( "," ) ) {
				return false;
			}
			suspendVelocity[1] = src.ParseFloat();
			if ( !src.ExpectTokenString( "," ) ) {
				return false;
			}
			suspendAcceleration[0] = src.ParseFloat();
			if ( !src.ExpectTokenString( "," ) ) {
				return false;
			}
			suspendAcceleration[1] = src.ParseFloat();
		} else if ( !token.Icmp( "noMoveTime" ) ) {
			noMoveTime = src.ParseFloat();
		} else if ( !token.Icmp( "noMoveTranslation" ) ) {
			noMoveTranslation = src.ParseFloat();
		} else if ( !token.Icmp( "noMoveRotation" ) ) {
			noMoveRotation = src.ParseFloat();
		} else if ( !token.Icmp( "minMoveTime" ) ) {
			minMoveTime = src.ParseFloat();
		} else if ( !token.Icmp( "maxMoveTime" ) ) {
			maxMoveTime = src.ParseFloat();
		} else if ( !token.Icmp( "contents" ) ) {
			ParseContents( src, contents );
		} else if ( !token.Icmp( "clipMask" ) ) {
			ParseContents( src, clipMask );
		} else if ( !token.Icmp( "selfCollision" ) ) {
			selfCollision = src.ParseBool();
		} else if ( token == "}" ) {
			break;
		} else {
			src.Error( "unknown token %s in settings", token.c_str() );
			return false;
		}
	}

	return true;
}

/*
================
idDeclAF::ParseUniversalJoint
================
*/
bool idDeclAF::ParseUniversalJoint( idLexer &src ) {
	idToken token;
	idDeclAF_Constraint *constraint = new idDeclAF_Constraint;

	constraint->SetDefault( this );
	constraints.Alloc() = constraint;

	if ( !src.ExpectTokenType( TT_STRING, 0, &token ) ||
			!src.ExpectTokenString( "{" ) ) {
		return false;
	}

	constraint->type = DECLAF_CONSTRAINT_UNIVERSALJOINT;
	constraint->limit = idDeclAF_Constraint::LIMIT_NONE;
	constraint->name = token;
	constraint->friction = 0.5f;
	constraint->anchor.ToVec3().Zero();
	constraint->shaft[0].ToVec3().Zero();
	constraint->shaft[1].ToVec3().Zero();

	while( src.ReadToken( &token ) ) {

		if ( !token.Icmp( "body1" ) ) {
			src.ExpectTokenType( TT_STRING, 0, &token );
			constraint->body1 = token;
		} else if ( !token.Icmp( "body2" ) ) {
			src.ExpectTokenType( TT_STRING, 0, &token );
			constraint->body2 = token;
		} else if ( !token.Icmp( "anchor" ) ) {
			if ( !constraint->anchor.Parse( src ) ) {
				return false;
			}
		} else if ( !token.Icmp( "shafts" ) ) {
			if ( !constraint->shaft[0].Parse( src ) ||
					!src.ExpectTokenString( "," ) ||
					!constraint->shaft[1].Parse( src ) ) {
				return false;
			}
		} else if ( !token.Icmp( "conelimit" ) ) {
			if ( !constraint->limitAxis.Parse( src ) ||
				!src.ExpectTokenString( "," ) ) {
					return false;
			}
			constraint->limitAngles[0] = src.ParseFloat();
			constraint->limit = idDeclAF_Constraint::LIMIT_CONE;
		} else if ( !token.Icmp( "pyramidlimit" ) ) {
			if ( !constraint->limitAxis.Parse( src ) ||
				!src.ExpectTokenString( "," ) ) {
					return false;
			}
			constraint->limitAngles[0] = src.ParseFloat();
			if ( !src.ExpectTokenString( "," ) ) {
				return false;
			}
			constraint->limitAngles[1] = src.ParseFloat();
			if ( !src.ExpectTokenString( "," ) ) {
				return false;
			}
			constraint->limitAngles[2] = src.ParseFloat();
			constraint->limit = idDeclAF_Constraint::LIMIT_PYRAMID;
		} else if ( !token.Icmp( "friction" ) ) {
			constraint->friction = src.ParseFloat();
		} else if ( token == "}" ) {
			break;
		} else {
			src.Error( "unknown token %s in universal joint", token.c_str() );
			return false;
		}
	}

	return true;
}

/*
===============
idEFXFile::ReadEffect
===============
*/
bool idEFXFile::ReadEffect( idLexer &src, idSoundEffect *effect )
{
    idToken name, token;

    if ( !src.ReadToken( &token ) )
        return false;

    // reverb effect
    if ( token == "reverb" )
    {
        EAXREVERBPROPERTIES *reverb = ( EAXREVERBPROPERTIES * )Mem_Alloc( sizeof( EAXREVERBPROPERTIES ) );
        if ( reverb )
        {
            src.ReadTokenOnLine( &token );
            name = token;

            if ( !src.ReadToken( &token ) )
            {
                Mem_Free( reverb );
                return false;
            }

            if ( token != "{" )
            {
                src.Error( "idEFXFile::ReadEffect: { not found, found %s", token.c_str() );
                Mem_Free( reverb );
                return false;
            }

            do
            {
                if ( !src.ReadToken( &token ) )
                {
                    src.Error( "idEFXFile::ReadEffect: EOF without closing brace" );
                    Mem_Free( reverb );
                    return false;
                }

                if ( token == "}" )
                {
                    effect->name = name;
                    effect->data = ( void * )reverb;
                    effect->datasize = sizeof( EAXREVERBPROPERTIES );
                    break;
                }

                if ( token == "environment" )
                {
                    src.ReadTokenOnLine( &token );
                    reverb->ulEnvironment = token.GetUnsignedIntValue();
                }
                else if ( token == "environment size" )
                {
                    reverb->flEnvironmentSize = src.ParseFloat();
                }
                else if ( token == "environment diffusion" )
                {
                    reverb->flEnvironmentDiffusion = src.ParseFloat();
                }
                else if ( token == "room" )
                {
                    reverb->lRoom = src.ParseInt();
                }
                else if ( token == "room hf" )
                {
                    reverb->lRoomHF = src.ParseInt();
                }
                else if ( token == "room lf" )
                {
                    reverb->lRoomLF = src.ParseInt();
                }
                else if ( token == "decay time" )
                {
                    reverb->flDecayTime = src.ParseFloat();
                }
                else if ( token == "decay hf ratio" )
                {
                    reverb->flDecayHFRatio = src.ParseFloat();
                }
                else if ( token == "decay lf ratio" )
                {
                    reverb->flDecayLFRatio = src.ParseFloat();
                }
                else if ( token == "reflections" )
                {
                    reverb->lReflections = src.ParseInt();
                }
                else if ( token == "reflections delay" )
                {
                    reverb->flReflectionsDelay = src.ParseFloat();
                }
                else if ( token == "reflections pan" )
                {
                    reverb->vReflectionsPan.x = src.ParseFloat();
                    reverb->vReflectionsPan.y = src.ParseFloat();
//.........这里部分代码省略.........

//.........这里部分代码省略.........
	}
	
	//
	// parse weights
	//
	parser.ExpectTokenString( "numweights" );
	count = parser.ParseInt();
	if( count < 0 )
	{
		parser.Error( "Invalid size: %d", count );
	}
	
	if( maxweight > count )
	{
		parser.Warning( "Vertices reference out of range weights in model (%d of %d weights).", maxweight, count );
	}
	
	idList<vertexWeight_t> tempWeights;
	tempWeights.SetNum( count );
	assert( numJoints < 256 );		// so we can pack into bytes
	
	for( int i = 0; i < count; i++ )
	{
		parser.ExpectTokenString( "weight" );
		parser.ParseInt();
		
		int jointnum = parser.ParseInt();
		if( ( jointnum < 0 ) || ( jointnum >= numJoints ) )
		{
			parser.Error( "Joint Index out of range(%d): %d", numJoints, jointnum );
		}
		
		tempWeights[ i ].joint			= jointnum;
		tempWeights[ i ].jointWeight	= parser.ParseFloat();
		
		parser.Parse1DMatrix( 3, tempWeights[ i ].offset.ToFloatPtr() );
	}
	
	// create pre-scaled weights and an index for the vertex/joint lookup
	idVec4* scaledWeights = ( idVec4* ) Mem_Alloc16( numWeights * sizeof( scaledWeights[0] ), TAG_MD5_WEIGHT );
	int* weightIndex = ( int* ) Mem_Alloc16( numWeights * 2 * sizeof( weightIndex[0] ), TAG_MD5_INDEX );
	memset( weightIndex, 0, numWeights * 2 * sizeof( weightIndex[0] ) );
	
	count = 0;
	for( int i = 0; i < texCoords.Num(); i++ )
	{
		int num = firstWeightForVertex[i];
		for( int j = 0; j < numWeightsForVertex[i]; j++, num++, count++ )
		{
			scaledWeights[count].ToVec3() = tempWeights[num].offset * tempWeights[num].jointWeight;
			scaledWeights[count].w = tempWeights[num].jointWeight;
			weightIndex[count * 2 + 0] = tempWeights[num].joint * sizeof( idJointMat );
		}
		weightIndex[count * 2 - 1] = 1;
	}
	
	parser.ExpectTokenString( "}" );
	
	// update counters
	c_numVerts += texCoords.Num();
	c_numWeights += numWeights;
	c_numWeightJoints++;
	for( int i = 0; i < numWeights; i++ )
	{
		c_numWeightJoints += weightIndex[i * 2 + 1];
	}

/*
================
idDeclFX::ParseSingleFXAction
================
*/
void idDeclFX::ParseSingleFXAction( idLexer &src, idFXSingleAction& FXAction ) {
	idToken token;

	FXAction.type = -1;
	FXAction.sibling = -1;

	FXAction.data = "<none>";
	FXAction.name = "<none>";
	FXAction.fire = "<none>";

	FXAction.delay = 0.0f;
	FXAction.duration = 0.0f;
	FXAction.restart = 0.0f;
	FXAction.size = 0.0f;
	FXAction.fadeInTime = 0.0f;
	FXAction.fadeOutTime = 0.0f;
	FXAction.shakeTime = 0.0f;
	FXAction.shakeAmplitude = 0.0f;
	FXAction.shakeDistance = 0.0f;
	FXAction.shakeFalloff = false;
	FXAction.shakeImpulse = 0.0f;
	FXAction.shakeIgnoreMaster = false;
	FXAction.lightRadius = 0.0f;
	FXAction.rotate = 0.0f;
	FXAction.random1 = 0.0f;
	FXAction.random2 = 0.0f;

	FXAction.lightColor = vec3_origin;
	FXAction.offset = vec3_origin;
	FXAction.axis = mat3_identity;

	FXAction.bindParticles = false;
	FXAction.explicitAxis = false;
	FXAction.noshadows = false;
	FXAction.particleTrackVelocity = false;
	FXAction.trackOrigin = false;
	FXAction.soundStarted = false;

	while (1) {
		if ( !src.ReadToken( &token ) ) {
			break;
		}

		if ( !token.Icmp( "}" ) ) {
			break;
		}

		if ( !token.Icmp( "shake" ) ) {
			FXAction.type = FX_SHAKE;
			FXAction.shakeTime = src.ParseFloat();
			src.ExpectTokenString(",");
			FXAction.shakeAmplitude = src.ParseFloat();
			src.ExpectTokenString(",");
			FXAction.shakeDistance = src.ParseFloat();
			src.ExpectTokenString(",");
			FXAction.shakeFalloff = src.ParseBool();
			src.ExpectTokenString(",");
			FXAction.shakeImpulse = src.ParseFloat();
			continue;
		}

		if ( !token.Icmp( "noshadows" ) ) {
			FXAction.noshadows = true;
			continue;
		}

		if ( !token.Icmp( "name" ) ) {
			src.ReadToken( &token );
			FXAction.name = token;
			continue;
		}

		if ( !token.Icmp( "fire") ) {
			src.ReadToken( &token );
			FXAction.fire = token;
			continue;
		}

		if ( !token.Icmp( "random" ) ) {
			FXAction.random1 = src.ParseFloat();
			src.ExpectTokenString( "," );
			FXAction.random2 = src.ParseFloat();
			FXAction.delay = 0.0f;		// check random
			continue;
		}

		if ( !token.Icmp( "delay" ) ) {
			FXAction.delay = src.ParseFloat();
			continue;
		}

		if ( !token.Icmp( "rotate" ) ) {
			FXAction.rotate = src.ParseFloat();
			continue;
		}
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		}

		numWeights += numWeightsForVertex[ i ];
		if ( numWeightsForVertex[ i ] + firstWeightForVertex[ i ] > maxweight ) {
			maxweight = numWeightsForVertex[ i ] + firstWeightForVertex[ i ];
		}
	}

	//
	// parse tris
	//
	parser.ExpectTokenString( "numtris" );
	count = parser.ParseInt();
	if ( count < 0 ) {
		parser.Error( "Invalid size: %d", count );
	}

	tris.SetNum( count * 3 );
	numTris = count;
	for( i = 0; i < count; i++ ) {
		parser.ExpectTokenString( "tri" );
		parser.ParseInt();

		tris[ i * 3 + 0 ] = parser.ParseInt();
		tris[ i * 3 + 1 ] = parser.ParseInt();
		tris[ i * 3 + 2 ] = parser.ParseInt();
	}

	//
	// parse weights
	//
	parser.ExpectTokenString( "numweights" );
	count = parser.ParseInt();
	if ( count < 0 ) {
		parser.Error( "Invalid size: %d", count );
	}

	if ( maxweight > count ) {
		parser.Warning( "Vertices reference out of range weights in model (%d of %d weights).", maxweight, count );
	}

	tempWeights.SetNum( count );

	for( i = 0; i < count; i++ ) {
		parser.ExpectTokenString( "weight" );
		parser.ParseInt();

		jointnum = parser.ParseInt();
		if ( ( jointnum < 0 ) || ( jointnum >= numJoints ) ) {
			parser.Error( "Joint Index out of range(%d): %d", numJoints, jointnum );
		}

		tempWeights[ i ].joint			= jointnum;
		tempWeights[ i ].jointWeight	= parser.ParseFloat();

		parser.Parse1DMatrix( 3, tempWeights[ i ].offset.ToFloatPtr() );
	}

	// create pre-scaled weights and an index for the vertex/joint lookup
	scaledWeights = (idVec4 *) Mem_Alloc16( numWeights * sizeof( scaledWeights[0] ) );
	weightIndex = (int *) Mem_Alloc16( numWeights * 2 * sizeof( weightIndex[0] ) );
	memset( weightIndex, 0, numWeights * 2 * sizeof( weightIndex[0] ) );

	count = 0;
	for( i = 0; i < texCoords.Num(); i++ ) {
		num = firstWeightForVertex[i];
		for( j = 0; j < numWeightsForVertex[i]; j++, num++, count++ ) {
			scaledWeights[count].ToVec3() = tempWeights[num].offset * tempWeights[num].jointWeight;
			scaledWeights[count].w = tempWeights[num].jointWeight;
			weightIndex[count * 2 + 0] = tempWeights[num].joint * sizeof( idJointMat );
		}
		weightIndex[count * 2 - 1] = 1;
	}

	tempWeights.Clear();
	numWeightsForVertex.Clear();
	firstWeightForVertex.Clear();

	parser.ExpectTokenString( "}" );

	// update counters
	c_numVerts += texCoords.Num();
	c_numWeights += numWeights;
	c_numWeightJoints++;
	for ( i = 0; i < numWeights; i++ ) {
		c_numWeightJoints += weightIndex[i*2+1];
	}

	//
	// build the information that will be common to all animations of this mesh:
	// silhouette edge connectivity and normal / tangent generation information
	//
	idDrawVert *verts = (idDrawVert *) _alloca16( texCoords.Num() * sizeof( idDrawVert ) );
	for ( i = 0; i < texCoords.Num(); i++ ) {
		verts[i].Clear();
		verts[i].st = texCoords[i];
	}
	TransformVerts( verts, joints );
	deformInfo = R_BuildDeformInfo( texCoords.Num(), verts, tris.Num(), tris.Ptr(), shader->UseUnsmoothedTangents() );
}

/*
===============
idSoundShader::ParseShader
===============
*/
bool idSoundShader::ParseShader( idLexer &src ) {
	idToken		token;

	parms.minDistance = 1;
	parms.maxDistance = 10;
	parms.volume = 1;
	parms.shakes = 0;
	parms.soundShaderFlags = 0;
	parms.soundClass = 0;

	speakerMask = 0;
	altSound = NULL;

	entries.Clear();

	while ( 1 ) {
		if ( !src.ExpectAnyToken( &token ) ) {
			return false;
		}
		// end of definition
		else if ( token == "}" ) {
			break;
		}
		// minimum number of sounds
		else if ( !token.Icmp( "minSamples" ) ) {
			src.ParseInt();
		}
		// description
		else if ( !token.Icmp( "description" ) ) {
			src.ReadTokenOnLine( &token );
		}
		// mindistance
		else if ( !token.Icmp( "mindistance" ) ) {
			parms.minDistance = src.ParseFloat();
		}
		// maxdistance
		else if ( !token.Icmp( "maxdistance" ) ) {
			parms.maxDistance = src.ParseFloat();
		}
		// shakes screen
		else if ( !token.Icmp( "shakes" ) ) {
			src.ExpectAnyToken( &token );
			if ( token.type == TT_NUMBER ) {
				parms.shakes = token.GetFloatValue();
			} else {
				src.UnreadToken( &token );
				parms.shakes = 1.0f;
			}
		}
		// reverb
		else if ( !token.Icmp( "reverb" ) ) {
			src.ParseFloat();
			if ( !src.ExpectTokenString( "," ) ) {
				src.FreeSource();
				return false;
			}
			src.ParseFloat();
			// no longer supported
		}
		// volume
		else if ( !token.Icmp( "volume" ) ) {
			parms.volume = src.ParseFloat();
		}
		// leadinVolume is used to allow light breaking leadin sounds to be much louder than the broken loop
		else if ( !token.Icmp( "leadinVolume" ) ) {
			leadinVolume = src.ParseFloat();
			leadin = true;
		}
		// speaker mask
		else if ( !token.Icmp( "mask_center" ) ) {
			speakerMask |= 1<<SPEAKER_CENTER;
		}
		// speaker mask
		else if ( !token.Icmp( "mask_left" ) ) {
			speakerMask |= 1<<SPEAKER_LEFT;
		}
		// speaker mask
		else if ( !token.Icmp( "mask_right" ) ) {
			speakerMask |= 1<<SPEAKER_RIGHT;
		}
		// speaker mask
		else if ( !token.Icmp( "mask_backright" ) ) {
			speakerMask |= 1<<SPEAKER_BACKRIGHT;
		}
		// speaker mask
		else if ( !token.Icmp( "mask_backleft" ) ) {
			speakerMask |= 1<<SPEAKER_BACKLEFT;
		}
		// speaker mask
		else if ( !token.Icmp( "mask_lfe" ) ) {
			speakerMask |= 1<<SPEAKER_LFE;
		}
		// soundClass
		else if ( !token.Icmp( "soundClass" ) ) {
			parms.soundClass = src.ParseInt();
//.........这里部分代码省略.........