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Add namespace structs for geometry

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_ 2018-04-17 20:14:45 -07:00
parent 48f255eb36
commit 6babd59d56
3 changed files with 46 additions and 18 deletions
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34
include/devil1geo.h
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@ -72,20 +72,40 @@ struct Mesh {
#pragma pack(pop)
void printgheader(struct Header*);
typedef struct {
void (* const printheader) (struct Header*);
void (* const printmeshheader)(struct MeshHeader*);
void (* const printbatch) (struct Batch*);
void (* const printcoordinate)(struct Coordinate*, unsigned int);
void printmeshheader(struct MeshHeader*);
bool (* const getmeshheader) (struct MeshHeader**,
unsigned int i,
const char * const);
void printmeshbatch(struct Batch*);
bool (* const getbatch) (struct Batch*,
unsigned int offset,
const char * const);
void printcoordinate(struct Coordinate*, unsigned int);
bool (* const getmesh) (struct Mesh*,
unsigned int i,
const char* filename);
} fn_devil1geo;
extern fn_devil1geo const DEVIL1GEO;
static void printgheader(struct Header*);
static void printmeshheader(struct MeshHeader*);
static void printmeshbatch(struct Batch*);
static void printcoordinate(struct Coordinate*, unsigned int);
// ** = 'pass by reference' of a pointer to struct
bool getmeshheader(struct MeshHeader**, unsigned int i, const char * const);
static bool getmeshheader(struct MeshHeader**, unsigned int i, const char * const);
bool getmeshbatch(struct Batch*, unsigned int offset, const char * const);
static bool getmeshbatch(struct Batch*, unsigned int offset, const char * const);
bool getmesh(struct Mesh*, unsigned int i, const char* filename);
static bool getmesh(struct Mesh*, unsigned int i, const char* filename);
#endif

22
src/devil1geo.c
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@ -1,7 +1,15 @@
#include "devil1geo.h"
#include <stdio.h>
void printgheader(struct Header *gh) {
fn_devil1geo const DEVIL1GEO = {printgheader,
printmeshheader,
printmeshbatch,
printcoordinate,
getmeshheader,
getmeshbatch,
getmesh};
static void printgheader(struct Header *gh) {
if (gh != NULL) {
printf("pointer %x\n", gh);
printf("number of meshes %x\n", gh -> numMesh);
@ -13,7 +21,7 @@ void printgheader(struct Header *gh) {
}
}
void printmeshheader(struct MeshHeader *mh) {
static void printmeshheader(struct MeshHeader *mh) {
if (mh == NULL) {
return;
}
@ -24,7 +32,7 @@ void printmeshheader(struct MeshHeader *mh) {
printf("flags %x\n\n", mh -> flags);
}
void printmeshbatch(struct Batch *b) {
static void printmeshbatch(struct Batch *b) {
if (b == NULL) {
return;
}
@ -41,7 +49,7 @@ void printmeshbatch(struct Batch *b) {
printcoordinate(b -> vd.positions, 3);
}
void printcoordinate(struct Coordinate *p, unsigned int count) {
static void printcoordinate(struct Coordinate *p, unsigned int count) {
if (p == NULL) {
return;
}
@ -51,7 +59,7 @@ void printcoordinate(struct Coordinate *p, unsigned int count) {
}
}
bool getmeshheader(struct MeshHeader **hs,
static bool getmeshheader(struct MeshHeader **hs,
unsigned int i,
const char * const filedata) {
bool done = false;
@ -68,7 +76,7 @@ bool getmeshheader(struct MeshHeader **hs,
return done;
}
bool getmeshbatch(struct Batch *b,
static bool getmeshbatch(struct Batch *b,
unsigned int offset,
const char * const filedata) {
bool done = false;
@ -90,7 +98,7 @@ bool getmeshbatch(struct Batch *b,
}
// assume client has allocated memory for mesh
bool getmesh(struct Mesh *m,
static bool getmesh(struct Mesh *m,
unsigned int i,
const char * const filedata) {
bool done = false;

8
test/main.c
View File

@ -129,10 +129,10 @@ void extractmeshes(const char *filedata,
m.b = NULL;
unsigned int i;
for (i = 0; i < h -> numMesh; i++) {
getmeshheader(&mh, i, filedata);
DEVIL1GEO.getmeshheader(&mh, i, filedata);
m.b = (struct Batch*)malloc(sizeof(struct Batch) * (mh -> numBatch));
if (m.b != NULL) {
getmesh(&m, i, filedata);
DEVIL1GEO.getmesh(&m, i, filedata);
// do something with mesh e.g write to file.
free(m.b);
}
@ -144,8 +144,8 @@ int main(int argc, char ** argv) {
unsigned int bufsize = 0;
char *buffer = loadfile(f, &bufsize);
// unpackpld(buffer, bufsize, f);
exporttextures(buffer, bufsize, f);
// extractmeshes(buffer, bufsize, f);
// exporttextures(buffer, bufsize, f);
extractmeshes(buffer, bufsize, f);
free(buffer);
return 0;
}