public bool LoadAnimation(string fileName) { idToken token; idLexer lexer = new idLexer(LexerOptions.AllowPathNames | LexerOptions.NoStringEscapeCharacters | LexerOptions.NoStringConcatination); if(lexer.LoadFile(fileName) == false) { return false; } Clear(); _name = fileName; lexer.ExpectTokenString(idRenderModel_MD5.VersionString); int version = lexer.ParseInt(); if(version != idRenderModel_MD5.Version) { lexer.Error("Invalid version {0}. Should be version {1}", version, idRenderModel_MD5.Version); } // skip the commandline lexer.ExpectTokenString("commandline"); lexer.ReadToken(); // parse num frames lexer.ExpectTokenString("numFrames"); int frameCount = lexer.ParseInt(); if(frameCount <= 0) { lexer.Error("Invalid number of frames: {0}", frameCount); } // parse num joints lexer.ExpectTokenString("numJoints"); int jointCount = lexer.ParseInt(); if(jointCount <= 0) { lexer.Error("Invalid number of joints: {0}", jointCount); } // parse frame rate lexer.ExpectTokenString("frameRate"); _frameRate = lexer.ParseInt(); if(_frameRate < 0) { lexer.Error("Invalid frame rate: {0}", _frameRate); } // parse number of animated components lexer.ExpectTokenString("numAnimatedComponents"); _animatedComponentCount = lexer.ParseInt(); if((_animatedComponentCount < 0) || (_animatedComponentCount > (jointCount * 6))) { lexer.Error("Invalid number of animated components: {0}", _animatedComponentCount); } // parse the hierarchy _jointInfo = new JointAnimationInfo[jointCount]; lexer.ExpectTokenString("hierarchy"); lexer.ExpectTokenString("{"); for(int i = 0; i < jointCount; i++) { token = lexer.ReadToken(); _jointInfo[i] = new JointAnimationInfo(); _jointInfo[i].NameIndex = idR.AnimManager.GetJointIndex(token.ToString()); // parse parent num _jointInfo[i].ParentIndex = lexer.ParseInt(); if(_jointInfo[i].ParentIndex >= i) { lexer.Error("Invalid parent num: {0}", _jointInfo[i].ParentIndex); } if((i != 0) && (_jointInfo[i].ParentIndex < 0)) { lexer.Error("Animations may have only one root joint"); } // parse anim bits _jointInfo[i].AnimationBits = (AnimationBits) lexer.ParseInt(); if(((int) _jointInfo[i].AnimationBits & ~63) != 0) { lexer.Error("Invalid anim bits: {0}", _jointInfo[i].AnimationBits); } // parse first component _jointInfo[i].FirstComponent = lexer.ParseInt(); if((_animatedComponentCount > 0) && ((_jointInfo[i].FirstComponent < 0) || (_jointInfo[i].FirstComponent >= _animatedComponentCount))) { lexer.Error("Invalid first component: {0}", _jointInfo[i].FirstComponent); } } lexer.ExpectTokenString("}"); // parse bounds lexer.ExpectTokenString("bounds"); lexer.ExpectTokenString("{"); _bounds = new idBounds[frameCount]; for(int i = 0; i < frameCount; i++) { float[] tmp = lexer.Parse1DMatrix(3); float[] tmp2 = lexer.Parse1DMatrix(3); _bounds[i] = new idBounds( new Vector3(tmp[0], tmp[1], tmp[2]), new Vector3(tmp2[0], tmp2[1], tmp2[2]) ); } lexer.ExpectTokenString("}"); // parse base frame _baseFrame = new idJointQuaternion[jointCount]; lexer.ExpectTokenString("baseframe"); lexer.ExpectTokenString("{"); for(int i = 0; i < jointCount; i++) { float[] tmp = lexer.Parse1DMatrix(3); float[] tmp2 = lexer.Parse1DMatrix(3); idCompressedQuaternion q = new idCompressedQuaternion(tmp2[0], tmp2[1], tmp2[2]); _baseFrame[i] = new idJointQuaternion(); _baseFrame[i].Translation = new Vector3(tmp[0], tmp[1], tmp[2]); _baseFrame[i].Quaternion = q.ToQuaternion(); } lexer.ExpectTokenString("}"); // parse frames _componentFrames = new float[_animatedComponentCount * frameCount]; int frameOffset = 0; for(int i = 0; i < frameCount; i++) { lexer.ExpectTokenString("frame"); int count = lexer.ParseInt(); if(count != i) { lexer.Error("Expected frame number {0}", i); } lexer.ExpectTokenString("{"); for(int j = 0; j < _animatedComponentCount; j++, frameOffset++) { _componentFrames[frameOffset] = lexer.ParseFloat(); } lexer.ExpectTokenString("}"); } // get total move delta if(_animatedComponentCount == 0) { _totalDelta = Vector3.Zero; } else { int componentOffset = _jointInfo[0].FirstComponent; if((_jointInfo[0].AnimationBits & AnimationBits.TranslationX) == AnimationBits.TranslationX) { for(int i = 0; i < frameCount; i++) { _componentFrames[componentOffset + (_animatedComponentCount * i)] -= _baseFrame[0].Translation.X; } _totalDelta.X = _componentFrames[componentOffset + (_animatedComponentCount * (frameCount - 1))]; componentOffset++; } else { _totalDelta.X = 0; } if((_jointInfo[0].AnimationBits & AnimationBits.TranslationY) == AnimationBits.TranslationY) { for(int i = 0; i < frameCount; i++) { _componentFrames[componentOffset + (_animatedComponentCount * i)] -= _baseFrame[0].Translation.Y; } _totalDelta.Y = _componentFrames[componentOffset + (_animatedComponentCount * (frameCount - 1))]; componentOffset++; } else { _totalDelta.Y = 0; } if((_jointInfo[0].AnimationBits & AnimationBits.TranslationZ) == AnimationBits.TranslationZ) { for(int i = 0; i < frameCount; i++) { _componentFrames[componentOffset + (_animatedComponentCount * i)] -= _baseFrame[0].Translation.Z; } _totalDelta.Z = _componentFrames[componentOffset + (_animatedComponentCount * (frameCount - 1))]; } else { _totalDelta.Z = 0; } } _baseFrame[0].Translation = Vector3.Zero; // we don't count last frame because it would cause a 1 frame pause at the end _animLength = ((frameCount - 1) * 1000 + _frameRate - 1) / _frameRate; // done return true; }
public bool LoadAnimation(string fileName) { idToken token; idLexer lexer = new idLexer(LexerOptions.AllowPathNames | LexerOptions.NoStringEscapeCharacters | LexerOptions.NoStringConcatination); if (lexer.LoadFile(fileName) == false) { return(false); } Clear(); _name = fileName; lexer.ExpectTokenString(idRenderModel_MD5.VersionString); int version = lexer.ParseInt(); if (version != idRenderModel_MD5.Version) { lexer.Error("Invalid version {0}. Should be version {1}", version, idRenderModel_MD5.Version); } // skip the commandline lexer.ExpectTokenString("commandline"); lexer.ReadToken(); // parse num frames lexer.ExpectTokenString("numFrames"); int frameCount = lexer.ParseInt(); if (frameCount <= 0) { lexer.Error("Invalid number of frames: {0}", frameCount); } // parse num joints lexer.ExpectTokenString("numJoints"); int jointCount = lexer.ParseInt(); if (jointCount <= 0) { lexer.Error("Invalid number of joints: {0}", jointCount); } // parse frame rate lexer.ExpectTokenString("frameRate"); _frameRate = lexer.ParseInt(); if (_frameRate < 0) { lexer.Error("Invalid frame rate: {0}", _frameRate); } // parse number of animated components lexer.ExpectTokenString("numAnimatedComponents"); _animatedComponentCount = lexer.ParseInt(); if ((_animatedComponentCount < 0) || (_animatedComponentCount > (jointCount * 6))) { lexer.Error("Invalid number of animated components: {0}", _animatedComponentCount); } // parse the hierarchy _jointInfo = new JointAnimationInfo[jointCount]; lexer.ExpectTokenString("hierarchy"); lexer.ExpectTokenString("{"); for (int i = 0; i < jointCount; i++) { token = lexer.ReadToken(); _jointInfo[i] = new JointAnimationInfo(); _jointInfo[i].NameIndex = idR.AnimManager.GetJointIndex(token.ToString()); // parse parent num _jointInfo[i].ParentIndex = lexer.ParseInt(); if (_jointInfo[i].ParentIndex >= i) { lexer.Error("Invalid parent num: {0}", _jointInfo[i].ParentIndex); } if ((i != 0) && (_jointInfo[i].ParentIndex < 0)) { lexer.Error("Animations may have only one root joint"); } // parse anim bits _jointInfo[i].AnimationBits = (AnimationBits)lexer.ParseInt(); if (((int)_jointInfo[i].AnimationBits & ~63) != 0) { lexer.Error("Invalid anim bits: {0}", _jointInfo[i].AnimationBits); } // parse first component _jointInfo[i].FirstComponent = lexer.ParseInt(); if ((_animatedComponentCount > 0) && ((_jointInfo[i].FirstComponent < 0) || (_jointInfo[i].FirstComponent >= _animatedComponentCount))) { lexer.Error("Invalid first component: {0}", _jointInfo[i].FirstComponent); } } lexer.ExpectTokenString("}"); // parse bounds lexer.ExpectTokenString("bounds"); lexer.ExpectTokenString("{"); _bounds = new idBounds[frameCount]; for (int i = 0; i < frameCount; i++) { float[] tmp = lexer.Parse1DMatrix(3); float[] tmp2 = lexer.Parse1DMatrix(3); _bounds[i] = new idBounds( new Vector3(tmp[0], tmp[1], tmp[2]), new Vector3(tmp2[0], tmp2[1], tmp2[2]) ); } lexer.ExpectTokenString("}"); // parse base frame _baseFrame = new idJointQuaternion[jointCount]; lexer.ExpectTokenString("baseframe"); lexer.ExpectTokenString("{"); for (int i = 0; i < jointCount; i++) { float[] tmp = lexer.Parse1DMatrix(3); float[] tmp2 = lexer.Parse1DMatrix(3); idCompressedQuaternion q = new idCompressedQuaternion(tmp2[0], tmp2[1], tmp2[2]); _baseFrame[i] = new idJointQuaternion(); _baseFrame[i].Translation = new Vector3(tmp[0], tmp[1], tmp[2]); _baseFrame[i].Quaternion = q.ToQuaternion(); } lexer.ExpectTokenString("}"); // parse frames _componentFrames = new float[_animatedComponentCount * frameCount]; int frameOffset = 0; for (int i = 0; i < frameCount; i++) { lexer.ExpectTokenString("frame"); int count = lexer.ParseInt(); if (count != i) { lexer.Error("Expected frame number {0}", i); } lexer.ExpectTokenString("{"); for (int j = 0; j < _animatedComponentCount; j++, frameOffset++) { _componentFrames[frameOffset] = lexer.ParseFloat(); } lexer.ExpectTokenString("}"); } // get total move delta if (_animatedComponentCount == 0) { _totalDelta = Vector3.Zero; } else { int componentOffset = _jointInfo[0].FirstComponent; if ((_jointInfo[0].AnimationBits & AnimationBits.TranslationX) == AnimationBits.TranslationX) { for (int i = 0; i < frameCount; i++) { _componentFrames[componentOffset + (_animatedComponentCount * i)] -= _baseFrame[0].Translation.X; } _totalDelta.X = _componentFrames[componentOffset + (_animatedComponentCount * (frameCount - 1))]; componentOffset++; } else { _totalDelta.X = 0; } if ((_jointInfo[0].AnimationBits & AnimationBits.TranslationY) == AnimationBits.TranslationY) { for (int i = 0; i < frameCount; i++) { _componentFrames[componentOffset + (_animatedComponentCount * i)] -= _baseFrame[0].Translation.Y; } _totalDelta.Y = _componentFrames[componentOffset + (_animatedComponentCount * (frameCount - 1))]; componentOffset++; } else { _totalDelta.Y = 0; } if ((_jointInfo[0].AnimationBits & AnimationBits.TranslationZ) == AnimationBits.TranslationZ) { for (int i = 0; i < frameCount; i++) { _componentFrames[componentOffset + (_animatedComponentCount * i)] -= _baseFrame[0].Translation.Z; } _totalDelta.Z = _componentFrames[componentOffset + (_animatedComponentCount * (frameCount - 1))]; } else { _totalDelta.Z = 0; } } _baseFrame[0].Translation = Vector3.Zero; // we don't count last frame because it would cause a 1 frame pause at the end _animLength = ((frameCount - 1) * 1000 + _frameRate - 1) / _frameRate; // done return(true); }