OPengl.rar_opengl 漫游

//Mis C++ ISO //Charge le mod鑜e Half-Life, Quake //MDL Model.CPP #include <windows.h> #include <math.h> #include <stdio.h> #include <gl\gl.h> #include <gl\glu.h> #include "MdlModel.h" DWORD CurrentTexture = 1; vec3_t TransformVertices[MAXVERTICES]; // Transformed vertices vec3_t LightValues[MAXVERTICES]; // Light surface normals vec3_t *TransformVertPtr; vec3_t *LightValuesPtr; vec3_t LightVector; // Light vector in model reference frame vec3_t BoneLightVector[MAXBONES]; // Light vectors in bone reference frames long AmbientLightColor; // Ambient world light float ShadeLight; // Direct world light vec3_t LightColor; float BoneTransforms[MAXBONES][3][4]; // Bone transformation matrix void TMDLModel::Init(char *Filename) { char TextureName[256]; //存放纹理名称 char SeqGroupName[256]; //存放骨头名称 Header = LoadModel(Filename);// 导入mdl文件 if (0 == Header->NumTextures) { strcpy(TextureName, Filename); strcpy(&TextureName[strlen(TextureName) - 4], "T.mdl"); TextureHeader = LoadModel(TextureName); } else { TextureHeader = Header; } if (Header->NumSeqGroups > 1) { for (long Loop = 1; Loop < Header->NumSeqGroups; Loop++) { strcpy(SeqGroupName, Filename); sprintf(&SeqGroupName[strlen(SeqGroupName) - 4], "%02d.mdl", Loop); AnimationHeader[Loop] = LoadDemandSequences(SeqGroupName); } } } void TMDLModel::DrawModel() { TransformVertPtr = &TransformVertices[0]; LightValuesPtr = &LightValues[0]; if (0 == Header->NumBodyParts) { return; } glPushMatrix(); glTranslatef(Origin[0], Origin[1], Origin[2]); glRotatef(Rotation[1], 0, 0, 1); glRotatef(Rotation[0], 0, 1, 0); glRotatef(Rotation[2], 1, 0, 0); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); SetUpBones(); SetupLighting(); for (long Loop = 0; Loop < Header->NumBodyParts; Loop++) { SetupModel(Loop); DrawPoints(); } glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); glPopMatrix(); } void TMDLModel::AdvanceFrame(float Time) { tagMDLSeqDescription *SeqDescription = (tagMDLSeqDescription *)((BYTE *)Header + Header->SequenceOffset) + CurrentSequence; if (Time > 0.1f) { Time = 0.1f; } CurrentFrame += Time * SeqDescription->Timing; if (SeqDescription->NumFrames <= 1) { CurrentFrame = 0; } else { CurrentFrame -= (long)(CurrentFrame / (SeqDescription->NumFrames - 1)) * (SeqDescription->NumFrames - 1); } } void TMDLModel::ExtractBoundBox(float *Minimums, float *Maximums) { tagMDLSeqDescription *SeqDescription = (tagMDLSeqDescription *)((BYTE *)Header + Header->SequenceOffset); Minimums[0] = SeqDescription[CurrentSequence].BoundingBoxMinimum[0]; Minimums[1] = SeqDescription[CurrentSequence].BoundingBoxMinimum[1]; Minimums[2] = SeqDescription[CurrentSequence].BoundingBoxMinimum[2]; Maximums[0] = SeqDescription[CurrentSequence].BoundingBoxMaximum[0]; Maximums[1] = SeqDescription[CurrentSequence].BoundingBoxMaximum[1]; Maximums[2] = SeqDescription[CurrentSequence].BoundingBoxMaximum[2]; } long TMDLModel::SetSequence(long Sequence) { if (Sequence > Header->NumSequences)//是否超过帧的数目 { Sequence = 0; } else if (Sequence < 0) { Sequence = Header->NumSequences - 1; } CurrentSequence = Sequence; CurrentFrame = 0; return CurrentSequence; } long TMDLModel::GetSequence() { return CurrentSequence; } void TMDLModel::GetSequenceInfo(float *FrameRate, float *GroundSpeed) { tagMDLSeqDescription *SeqDescription = (tagMDLSeqDescription *)((BYTE *)Header + Header->SequenceOffset) + CurrentSequence; if (SeqDescription->NumFrames > 1) { *FrameRate = 256 * SeqDescription->Timing / (SeqDescription->NumFrames - 1); *GroundSpeed = (float)sqrt(SeqDescription->LinearMovement[0] * SeqDescription->LinearMovement[0] + SeqDescription->LinearMovement[1] * SeqDescription->LinearMovement[1] + SeqDescription->LinearMovement[2] * SeqDescription->LinearMovement[2]); *GroundSpeed = *GroundSpeed * SeqDescription->Timing / (SeqDescription->NumFrames - 1); } else { *FrameRate = 256.0f; *GroundSpeed = 0.0f; } } float TMDLModel::SetController(long ControllerIndex, float Value) { tagMDLBoneController *BoneController = (tagMDLBoneController *)((BYTE *)Header + Header->BoneControllerOffset); long Loop; for (Loop = 0; Loop < Header->NumBoneControllers; Loop++, BoneController++) { if (BoneController->Index == ControllerIndex) { break; } } if (Loop >= Header->NumBoneControllers) { return Value; } if (BoneController->Type & (TRANSITION_XR | TRANSITION_YR | TRANSITION_ZR)) { if (BoneController->End < BoneController->Start) { Value = -Value; } if (BoneController->Start + 359.0f >= BoneController->End) { if (Value > ((BoneController->Start + BoneController->End) / 2.0f) + 180) { Value = Value - 360.0f; } if (Value < ((BoneController->Start + BoneController->End) / 2.0f) - 180) { Value = Value + 360.0f; } } else { if (Value > 360.0f) { Value = Value - (long)(Value / 360.0f) * 360.0f; } else if (Value < 0.0f) { Value = Value + (long)((Value / -360.0f) + 1.0f) * 360.0f; } } } long Setting = (long)(255.0f * (Value - BoneController->Start) / (BoneController->End - BoneController->Start)); if (Setting < 0) { Setting = 0; } else if (Setting > 255) { Setting = 255; } Controller[ControllerIndex] = (BYTE)Setting; return Setting * (1.0f / 255.0f) * (BoneController->End - BoneController->Start) + BoneController->Start; } float TMDLModel::SetMouth(float Value) { tagMDLBoneController *BoneController = (tagMDLBoneController *)((BYTE *)Header + Header->BoneControllerOffset); for (long Loop = 0; Loop < Header->NumBoneControllers; Loop++, BoneController++) { if (4 == BoneController->Index) { break; } } if (BoneController->Type & (TRANSITION_XR | TRANSITION_YR | TRANSITION_ZR)) { if (BoneController->End < BoneController->Start) { Value = -Value; } if (BoneController->Start + 359.0f >= BoneController->End) { if (Value > ((BoneController->Start + BoneController->End) / 2.0f) + 180.0f) { Value = Value - 360.0f; } if (Value < ((BoneController->Start + BoneController->End) / 2.0f) - 180.0f) { Value = Value + 360.0f; } } else { if (Value > 360.0f) { Value = Value - (long)(Value / 360.0f) * 360.0f; } else if (Value < 0.0f) { Value = Value + (long)((Value / -360.0f) + 1.0f) * 360.0f; } } } long Setting = (long)(64.0f * (Value - BoneController->Start) / (BoneController->End - BoneController->Start)); if (Setting < 0) { Setting = 0; } if (Setting > 64) { Setting = 64; } MouthPosition = (BYTE)Setting; return Setting * (1.0f / 64.0f) * (BoneController->End - BoneController->Start) + BoneController->Start; } float TMDLModel::SetBlending(long Blender, float Value) { tagMDLSeqDescription *SeqDescription = (tagMDLSeqDescription *)((BYTE *)Header + Header->SequenceOffset) + CurrentSequence; if (0 == SeqDescription->BlendType[Blender]) { return Value; } if (SeqDescription->BlendType[Blender] & (TRANSITION_XR | TRANSITION_YR | TRANSITION_ZR)) { if (SeqDescription->BlendEnd[Blender] < SeqDescription->BlendStart[Blender]) { Value = -Value; } if (SeqDescription->BlendStart[Blender] + 359.0f >= SeqDescription->BlendEnd[Blender]) { if (Value > ((SeqDescription->BlendStart[Blender] + SeqDescription->BlendEnd[Blender]) / 2.0f) + 180.0f) { Value = Value - 360.0f; } if (Value < ((SeqDescription->BlendStart[Blender] + Seq