void init_quadvbo(void) {
Vertex verts[] = {
{{-0.5,-0.5,0},{0,0,1},0,0},
{{-0.5,0.5,0},{0,0,1},0,1},
{{0.5,0.5,0},{0,0,1},1,1},
{{0.5,-0.5,0},{0,0,1},1,0},
// Alternative quad for FBO
{{-0.5,-0.5,0},{0,0,1},0,1},
{{-0.5,0.5,0},{0,0,1},0,0},
{{0.5,0.5,0},{0,0,1},1,0},
{{0.5,-0.5,0},{0,0,1},1,1}
};
init_vbo(&_vbo, VBO_SIZE);
glBindBuffer(GL_ARRAY_BUFFER, _vbo.vbo);
vbo_add_verts(&_vbo, verts, 8);
}
Model *load_model(char *filename) {
Model *m = create_element((void **)&resources.models, sizeof(Model));
ObjFileData data;
unsigned int i;
Vertex *verts;
unsigned int ioffset = _vbo.offset;
char *beg = strstr(filename, "models/") + 7;
char *end = strrchr(filename, '.');
m->name = malloc(end - beg + 1);
memset(m->name, 0, end-beg + 1);
strncpy(m->name, beg, end-beg);
parse_obj(filename, &data);
m->fverts = data.fverts;
m->indices = calloc(data.icount, sizeof(int));
m->icount = data.icount;
verts = calloc(data.icount, sizeof(Vertex));
memset(verts, 0, data.icount*sizeof(Vertex));
for(i = 0; i < data.icount; i++) {
int xi, ni, ti;
xi = data.indices[i][0]-1;
if(xi < 0 || xi >= data.xcount)
bad_reference_error(filename, "vertex", i);
memcpy(verts[i].x, data.xs[xi], sizeof(Vector));
if(data.tcount) {
ti = data.indices[i][1]-1;
if(ti < 0 || ti >= data.tcount)
bad_reference_error(filename, "texcoord", i);
verts[i].s = data.texcoords[ti][0];
verts[i].t = data.texcoords[ti][1];
}
if(data.ncount) {
ni = data.indices[i][2]-1;
if(ni < 0 || ni >= data.ncount)
bad_reference_error(filename, "normal", ni);
memcpy(verts[i].n, data.normals[ni], sizeof(Vector));
}
m->indices[i] = i+ioffset;
}
vbo_add_verts(&_vbo, verts, data.icount);
printf("-- loaded '%s' as '%s'\n", filename, m->name);
free(verts);
free(data.xs);
free(data.normals);
free(data.texcoords);
free(data.indices);
return m;
}