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detour-implementation of texture unpacking

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This commit is contained in:
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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*,
unsigned int);
void gettextures(struct Texture **,
void gettextures(unsigned int*,
struct TexturePack*,
struct TextureBatch**,
struct TextureBatchDescriptor**);

10
src/devil1tex.c
View File

@@ -78,8 +78,8 @@ unsigned int gettexturebatch(
}
return totaltextures;
}
void gettextures(struct Texture **t,
void gettextures(unsigned int *t,
struct TexturePack *tp,
struct TextureBatch **tb,
struct TextureBatchDescriptor **bds) {
@@ -87,11 +87,11 @@ void gettextures(struct Texture **t,
unsigned int j;
// k is access to index of textures.
unsigned int k = 0;
unsigned int offset = 0;
unsigned int offset = tp -> firstBatchOffset;
for (i = 0; i < tp -> batchNumber; i++) {
for (j = 0; j < bds[i] -> texNumber; j++) {
printf("texture offsets %x\n", offset + tp -> firstBatchOffset);
t[k] = (struct Texture*)tb + offset;
printf("texture offsets %x\n", offset);
t[k] = offset;
offset += bds[i] -> textureSize;
k++;
}

17
test/main.c
View File

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