scuti/lib3ddevil1
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Merged a/iosanitycheck into master

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This commit is contained in:
surkeh 2018-04-19 16:08:36 -07:00
commit f77c2f8920
6 changed files with 22 additions and 13 deletions
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2
demo/common.h
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@ -45,6 +45,7 @@ void write(const char *filename,
fclose(out);
if (written == 0) {
perror("write error");
exit(4);
}
}
}
@ -61,6 +62,7 @@ void append(const char *filename, const char *t, unsigned size) {
fclose(out);
if (written == 0) {
perror("write error");
exit(4);
}
}
}

16
demo/extractmesh.c
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@ -25,22 +25,22 @@ void writemesh(const struct MeshHeader *mh,
// batch data the same treatment.
struct BatchData * newBatches = malloc(newmh.numBatch * sizeof(struct BatchData));
uint64_t previousBatch = 0;
uint64_t endOfPrevious = 0;
for (int i = 0; i < newmh.numBatch; i++) {
newBatches[i] = (m -> b) -> bd[i];
unsigned int nVertices = m -> b -> bd[i].numVertex;
if (previousBatch == 0) {
if (endOfPrevious == 0) {
newBatches[i].offsetPositions = newmh.offsetBatches + ( newmh.numBatch * sizeof(struct BatchData));
}
else {
newBatches[i].offsetPositions = previousBatch;
newBatches[i].offsetPositions = endOfPrevious;
}
newBatches[i].offsetNormals = newBatches[i].offsetPositions + (sizeof(struct Coordinate) * nVertices);
newBatches[i].offsetUVs = newBatches[i].offsetNormals + (sizeof(struct Coordinate) * nVertices);
newBatches[i].offsetBoneIndexes = newBatches[i].offsetUVs + (sizeof(struct UVs) * nVertices);
newBatches[i].offsetBoneWeights = newBatches[i].offsetBoneIndexes + (sizeof(struct BoneIndexes) * nVertices);
append(fn, (char*)(&newBatches[i]), sizeof(struct BatchData));
previousBatch = newBatches[i].offsetBoneWeights + (sizeof(struct BoneWeights) * nVertices);;
endOfPrevious = newBatches[i].offsetBoneWeights + (sizeof(struct BoneWeights) * nVertices);;
}
for (int i = 0; i < newmh.numBatch; i++) {
@ -57,8 +57,8 @@ void writemesh(const struct MeshHeader *mh,
}
void extractmeshes(const char *filedata,
unsigned int filesize,
const char *filename) {
const char *filename,
unsigned int filesize) {
if (filedata == NULL || filesize <= 0) {
return;
}
@ -71,7 +71,7 @@ void extractmeshes(const char *filedata,
DEVIL1GEO.getmeshheader(&mh, i, filedata);
m.b = (struct Batch*)malloc(sizeof(struct Batch) * (mh -> numBatch));
if (m.b != NULL) {
DEVIL1GEO.getmesh(&m, i, filedata);
DEVIL1GEO.getmesh(&m, i, filedata, filesize);
writemesh(mh, &m, filename, i);
free(m.b);
}
@ -83,7 +83,7 @@ int main(int argc, char ** argv) {
char *f = argv[1];
unsigned int bufsize = 0;
char *buffer = loadfile(f, &bufsize);
extractmeshes(buffer, bufsize, f);
extractmeshes(buffer, f, bufsize);
free(buffer);
return 0;
}

3
include/devil1geo.h
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@ -99,7 +99,8 @@ typedef struct {
// input: pointer to struct, order, file data
bool (* const getmesh) (struct Mesh*,
unsigned int i,
const char*);
const char*,
unsigned int filesize);
} fn_devil1geo;
extern fn_devil1geo const DEVIL1GEO;

8
src/devil1geo.c
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@ -14,7 +14,7 @@ static bool getmeshheader(struct MeshHeader**, unsigned int i, const char * cons
static bool getmeshbatch(struct Batch*, unsigned int offset, const char * const);
static bool getmesh(struct Mesh*, unsigned int i, const char*);
static bool getmesh(struct Mesh*, unsigned int i, const char*, unsigned int filesize);
fn_devil1geo const DEVIL1GEO = {printgheader,
printmeshheader,
@ -115,7 +115,8 @@ static bool getmeshbatch(struct Batch *b,
// assume client has allocated memory for mesh
static bool getmesh(struct Mesh *m,
unsigned int i,
const char * const filedata) {
const char * const filedata,
unsigned int filesize) {
bool done = false;
if (m == NULL || filedata == NULL || m -> b == NULL) {
return done;
@ -127,6 +128,9 @@ static bool getmesh(struct Mesh *m,
struct Batch b;
for (j = 0; j < mh -> numBatch; j++) {
unsigned int offset = mh->offsetBatches + j * sizeof(struct BatchData);
if (offset > filesize) {
return done;
}
getmeshbatch(&b, offset, filedata);
// printmeshbatch(&b);
m -> b[j] = b;

4
src/devil1pld.c
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@ -14,7 +14,9 @@ static bool getpldh(struct PldHeader *ph, const char *filedata) {
if (ph != NULL && filedata != NULL) {
ph -> numOffset = (int32_t)filedata[0];
ph -> offsets = (uint32_t*)(filedata + sizeof(int32_t));
good = true;
if ( ph->numOffset > 0 ) {
good = true;
}
}
return good;
}

2
src/devil1tex.c
View File

@ -63,7 +63,7 @@ static bool gettexdescriptor(struct TextureBatchDescriptor **descriptor,
bool done = false;
unsigned int offset = sizeof(struct TexturePack);
offset += sizeof(struct TextureBatchDescriptor) * i;
if (filedata != NULL) {
if (filedata != NULL && offset <= filesize) {
*descriptor = (struct TextureBatchDescriptor*)(filedata + offset);
done = true;
}