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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) #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 // ** = '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 #endif

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

8
test/main.c
View File

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