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detour-implementation of texture unpacking

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This commit is contained in:
_ 2018-04-05 14:27:29 -07:00
parent 1b06741be4
commit c812696612
3 changed files with 16 additions and 13 deletions
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2
include/devil1tex.h
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@ -52,7 +52,7 @@ unsigned int gettexturebatch(
const char*, const char*,
unsigned int); unsigned int);
void gettextures(struct Texture **, void gettextures(unsigned int*,
struct TexturePack*, struct TexturePack*,
struct TextureBatch**, struct TextureBatch**,
struct TextureBatchDescriptor**); struct TextureBatchDescriptor**);

8
src/devil1tex.c
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@ -79,7 +79,7 @@ unsigned int gettexturebatch(
return totaltextures; return totaltextures;
} }
void gettextures(struct Texture **t, void gettextures(unsigned int *t,
struct TexturePack *tp, struct TexturePack *tp,
struct TextureBatch **tb, struct TextureBatch **tb,
struct TextureBatchDescriptor **bds) { struct TextureBatchDescriptor **bds) {
@ -87,11 +87,11 @@ void gettextures(struct Texture **t,
unsigned int j; unsigned int j;
// k is access to index of textures. // k is access to index of textures.
unsigned int k = 0; unsigned int k = 0;
unsigned int offset = 0; unsigned int offset = tp -> firstBatchOffset;
for (i = 0; i < tp -> batchNumber; i++) { for (i = 0; i < tp -> batchNumber; i++) {
for (j = 0; j < bds[i] -> texNumber; j++) { for (j = 0; j < bds[i] -> texNumber; j++) {
printf("texture offsets %x\n", offset + tp -> firstBatchOffset); printf("texture offsets %x\n", offset);
t[k] = (struct Texture*)tb + offset; t[k] = offset;
offset += bds[i] -> textureSize; offset += bds[i] -> textureSize;
k++; k++;
} }

17
test/main.c
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@ -110,7 +110,7 @@ bool unpackpld (const char *filedata,
void write(const char *filename, void write(const char *filename,
unsigned int id, unsigned int id,
struct Texture *t, const char* t,
unsigned int size) { unsigned int size) {
if (filename == NULL) { if (filename == NULL) {
return; return;
@ -120,6 +120,10 @@ void write(const char *filename,
if (out != NULL) { if (out != NULL) {
written = fwrite(t, sizeof(unsigned char), size, out); written = fwrite(t, sizeof(unsigned char), size, out);
fclose(out); fclose(out);
/* unsigned int i;
for (i = 0; i < 10; i++) {
printf("w %u \n", *(t + i));
} */
if (written == 0) { if (written == 0) {
perror("texture write error"); perror("texture write error");
} }
@ -140,10 +144,9 @@ void unpacktextures(const char *filedata,
descripts, descripts,
filedata, filedata,
filesize); filesize);
struct Texture **textures = NULL; unsigned int *tloc = (unsigned int*)
textures = (struct Texture**) malloc(sizeof(unsigned int) * texturecount);
malloc(sizeof(struct Texture**) * texturecount); gettextures(tloc, tp, batches, descripts);
gettextures(textures, tp, batches, descripts);
// add 3 to buffer for digits, & 4 for file extension // add 3 to buffer for digits, & 4 for file extension
char *fmt = (char*)malloc(strlen(filename) + 3 + 4); char *fmt = (char*)malloc(strlen(filename) + 3 + 4);
unsigned int texsize = 0; unsigned int texsize = 0;
@ -151,10 +154,10 @@ void unpacktextures(const char *filedata,
for (i = 0; i < texturecount; i++) { for (i = 0; i < texturecount; i++) {
texsize = descripts[i/(tp -> batchNumber)] -> textureSize; texsize = descripts[i/(tp -> batchNumber)] -> textureSize;
sprintf(fmt, "test_%d.dds", i); sprintf(fmt, "test_%d.dds", i);
write(fmt, i, textures[i], texsize); write(fmt, i, filedata + tloc[i], texsize);
} }
free(fmt); free(fmt);
free(textures); free(tloc);
free(descripts); free(descripts);
free(batches); free(batches);
} }