added chunk writing functions
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2404757ce7
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833202dc2d
253
src/chunks/chunks.cpp
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253
src/chunks/chunks.cpp
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#include "chunks.h"
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#include "vertices.h"
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#include "normals.h"
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#include "texcoords.h"
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#include "triangles.h"
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#include "groups.h"
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#include "joints.h"
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#include "jointtovertices.h"
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#include "keyframes.h"
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#include "animations.h"
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#include "../assets/animationsequence.h"
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#include "../geometry/group.h"
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#include "../geometry/joint.h"
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#include "../geometry/jointvertexinfo.h"
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#include "../geometry/keyframe.h"
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#include "../geometry/triangle.h"
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#include "../geometry/vector2.h"
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#include "../geometry/vector3.h"
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void WriteFileHeader(FILE *fp)
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{
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fputs("MESH", fp);
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uint8_t version = 1;
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fwrite(&version, 1, 1, fp);
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}
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void WriteChunk(VerticesChunk *chunk, FILE *fp)
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{
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uint32_t size = chunk->GetSize();
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if (size == 0)
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return;
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fputs("VTX", fp);
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fwrite(&size, sizeof(uint32_t), 1, fp);
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uint32_t count = chunk->GetCount();
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fwrite(&count, sizeof(uint32_t), 1, fp);
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for (uint32_t i = 0; i < count; ++i)
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{
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const Vector3 *vertex = &chunk->vertices[i];
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fwrite(&vertex->x, sizeof(float), 1, fp);
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fwrite(&vertex->y, sizeof(float), 1, fp);
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fwrite(&vertex->z, sizeof(float), 1, fp);
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}
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}
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void WriteChunk(NormalsChunk *chunk, FILE *fp)
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{
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uint32_t size = chunk->GetSize();
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if (size == 0)
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return;
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fputs("NRL", fp);
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fwrite(&size, sizeof(uint32_t), 1, fp);
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uint32_t count = chunk->GetCount();
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fwrite(&count, sizeof(uint32_t), 1, fp);
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for (uint32_t i = 0; i < count; ++i)
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{
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const Vector3 *normal = &chunk->normals[i];
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fwrite(&normal->x, sizeof(float), 1, fp);
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fwrite(&normal->y, sizeof(float), 1, fp);
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fwrite(&normal->z, sizeof(float), 1, fp);
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}
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}
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void WriteChunk(TexCoordsChunk *chunk, FILE *fp)
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{
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uint32_t size = chunk->GetSize();
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if (size == 0)
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return;
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fputs("TXT", fp);
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fwrite(&size, sizeof(uint32_t), 1, fp);
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uint32_t count = chunk->GetCount();
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fwrite(&count, sizeof(uint32_t), 1, fp);
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for (uint32_t i = 0; i < count; ++i)
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{
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const Vector2 *texCoord = &chunk->texCoords[i];
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fwrite(&texCoord->x, sizeof(float), 1, fp);
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fwrite(&texCoord->y, sizeof(float), 1, fp);
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}
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}
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void WriteChunk(TrianglesChunk *chunk, FILE *fp)
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{
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uint32_t size = chunk->GetSize();
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if (size == 0)
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return;
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fputs("TRI", fp);
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fwrite(&size, sizeof(uint32_t), 1, fp);
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uint32_t count = chunk->GetCount();
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fwrite(&count, sizeof(uint32_t), 1, fp);
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for (uint32_t i = 0; i < count; ++i)
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{
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const Triangle *triangle = &chunk->triangles[i];
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fwrite(&triangle->vertices[0], sizeof(uint32_t), 1, fp);
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fwrite(&triangle->vertices[1], sizeof(uint32_t), 1, fp);
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fwrite(&triangle->vertices[2], sizeof(uint32_t), 1, fp);
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fwrite(&triangle->groupIndex, sizeof(uint32_t), 1, fp);
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for (int j = 0; j < 3; ++j)
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{
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fwrite(&triangle->normals[j].x, sizeof(float), 1, fp);
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fwrite(&triangle->normals[j].y, sizeof(float), 1, fp);
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fwrite(&triangle->normals[j].z, sizeof(float), 1, fp);
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}
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for (int j = 0; j < 3; ++j)
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{
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fwrite(&triangle->texCoords[j].x, sizeof(float), 1, fp);
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fwrite(&triangle->texCoords[j].y, sizeof(float), 1, fp);
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}
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}
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}
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void WriteChunk(GroupsChunk *chunk, FILE *fp)
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{
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uint32_t size = chunk->GetSize();
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if (size == 0)
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return;
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fputs("GRP", fp);
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fwrite(&size, sizeof(uint32_t), 1, fp);
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uint32_t count = chunk->GetCount();
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fwrite(&count, sizeof(uint32_t), 1, fp);
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for (uint32_t i = 0; i < count; ++i)
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{
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const Group *group = &chunk->groups[i];
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fwrite(group->name.c_str(), group->name.size(), 1, fp);
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char c = '\0';
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fwrite(&c, 1, 1, fp);
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fwrite(&group->numTriangles, sizeof(uint32_t), 1, fp);
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}
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}
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void WriteChunk(JointsChunk *chunk, FILE *fp)
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{
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uint32_t size = chunk->GetSize();
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if (size == 0)
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return;
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fputs("JNT", fp);
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fwrite(&size, sizeof(uint32_t), 1, fp);
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uint32_t count = chunk->GetCount();
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fwrite(&count, sizeof(uint32_t), 1, fp);
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for (uint32_t i = 0; i < count; ++i)
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{
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const Joint *joint = &chunk->joints[i];
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fwrite(joint->name.c_str(), joint->name.size(), 1, fp);
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char c = '\0';
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fwrite(&c, 1, 1, fp);
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fwrite(&joint->parentJointIndex, sizeof(int32_t), 1, fp);
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fwrite(&joint->position.x, sizeof(float), 1, fp);
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fwrite(&joint->position.y, sizeof(float), 1, fp);
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fwrite(&joint->position.z, sizeof(float), 1, fp);
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fwrite(&joint->rotation.x, sizeof(float), 1, fp);
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fwrite(&joint->rotation.y, sizeof(float), 1, fp);
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fwrite(&joint->rotation.z, sizeof(float), 1, fp);
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}
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}
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void WriteChunk(JointToVerticesChunk *chunk, FILE *fp)
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{
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uint32_t size = chunk->GetSize();
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if (size == 0)
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return;
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fputs("JNT", fp);
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fwrite(&size, sizeof(uint32_t), 1, fp);
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uint32_t count = chunk->GetCount();
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fwrite(&count, sizeof(uint32_t), 1, fp);
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for (uint32_t i = 0; i < count; ++i)
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{
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const JointVertexInfo *jointVertexInfo = &chunk->jointVertexInfo[i];
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fwrite(&jointVertexInfo->jointIndex, sizeof(uint32_t), 1, fp);
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fwrite(&jointVertexInfo->weight, sizeof(float), 1, fp);
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}
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}
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void WriteChunk(KeyframesChunk *chunk, FILE *fp)
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{
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uint32_t size = chunk->GetSize();
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if (size == 0)
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return;
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fputs("JKF", fp);
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fwrite(&size, sizeof(uint32_t), 1, fp);
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uint32_t count = chunk->GetCount();
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fwrite(&count, sizeof(uint32_t), 1, fp);
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for (uint32_t i = 0; i < count; ++i)
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{
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const Keyframe *frame = chunk->frames[i];
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for (uint32_t j = 0; j < frame->numJoints; ++j)
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{
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const Vector3 *position = &frame->position[j];
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const Vector3 *rotation = &frame->rotation[j];
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fwrite(&position->x, sizeof(float), 1, fp);
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fwrite(&position->y, sizeof(float), 1, fp);
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fwrite(&position->z, sizeof(float), 1, fp);
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fwrite(&rotation->x, sizeof(float), 1, fp);
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fwrite(&rotation->y, sizeof(float), 1, fp);
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fwrite(&rotation->z, sizeof(float), 1, fp);
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}
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}
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}
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void WriteChunk(AnimationsChunk *chunk, FILE *fp)
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{
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uint32_t size = chunk->GetSize();
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if (size == 0)
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return;
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fputs("ANI", fp);
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fwrite(&size, sizeof(uint32_t), 1, fp);
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uint32_t count = chunk->GetCount();
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fwrite(&count, sizeof(uint32_t), 1, fp);
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for (uint32_t i = 0; i < count; ++i)
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{
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AnimationSequence *a = &chunk->animations[i];
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fwrite(a->name.c_str(), a->name.length(), 1, fp);
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char ch = '\0';
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fwrite(&ch, 1, 1, fp);
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fwrite(&a->start, 4, 1, fp);
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fwrite(&a->end, 4, 1, fp);
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}
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}
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31
src/chunks/chunks.h
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31
src/chunks/chunks.h
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@ -0,0 +1,31 @@
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#ifndef __CHUNKS_CHUNKS_H_INCLUDED__
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#define __CHUNKS_CHUNKS_H_INCLUDED__
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#include "../common.h"
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#include <stdio.h>
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struct VerticesChunk;
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struct NormalsChunk;
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struct TexCoordsChunk;
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struct TrianglesChunk;
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struct GroupsChunk;
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struct JointsChunk;
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struct JointToVerticesChunk;
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struct KeyframesChunk;
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struct AnimationsChunk;
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void WriteFileHeader(FILE *fp);
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// to be perfectly honest, i don't care to come up with a really elegant solution for this converter tool :p
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void WriteChunk(VerticesChunk *chunk, FILE *fp);
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void WriteChunk(NormalsChunk *chunk, FILE *fp);
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void WriteChunk(TexCoordsChunk *chunk, FILE *fp);
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void WriteChunk(TrianglesChunk *chunk, FILE *fp);
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void WriteChunk(GroupsChunk *chunk, FILE *fp);
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void WriteChunk(JointsChunk *chunk, FILE *fp);
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void WriteChunk(JointToVerticesChunk *chunk, FILE *fp);
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void WriteChunk(KeyframesChunk *chunk, FILE *fp);
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void WriteChunk(AnimationsChunk *chunk, FILE *fp);
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#endif
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