/* \brief free camera */
GLHCKAPI unsigned int glhckCameraFree(glhckCamera *object)
{
if (!glhckInitialized()) return 0;
CALL(FREE_CALL_PRIO(object), "%p", object);
assert(object);
/* there is still references to this object alive */
if (--object->refCounter != 0) goto success;
/* remove camera from global state */
if (GLHCKRD()->camera == object)
GLHCKRD()->camera = NULL;
/* free camera's object */
NULLDO(glhckObjectFree, object->object);
/* remove camera from world */
_glhckWorldRemove(camera, object, glhckCamera*);
/* free */
NULLDO(_glhckFree, object);
success:
RET(FREE_RET_PRIO(object), "%u", object?object->refCounter:0);
return object?object->refCounter:0;
}
/* \brief free texture */
GLHCKAPI unsigned int glhckTextureFree(glhckTexture *object)
{
unsigned int i;
if (!glhckInitialized()) return 0;
CALL(FREE_CALL_PRIO(object), "%p", object);
assert(object);
/* there is still references to this object alive */
if (--object->refCounter != 0) goto success;
DEBUG(GLHCK_DBG_CRAP, "FREE(%p) %dx%dx%d", object, object->internalWidth, object->internalHeight, object->internalDepth);
/* unbind from active slot */
for (i = 0; i != GLHCK_MAX_ACTIVE_TEXTURE; ++i) {
if (GLHCKRD()->texture[i][object->target] == object)
glhckTextureUnbind(object->target);
}
/* delete texture if there is one */
if (object->object)
GLHCKRA()->textureDelete(1, &object->object);
/* free */
IFDO(_glhckFree, object->file);
/* remove from world */
_glhckWorldRemove(texture, object, glhckTexture*);
/* free */
NULLDO(_glhckFree, object);
success:
RET(FREE_RET_PRIO(object), "%u", object?object->refCounter:0);
return object?object->refCounter:0;
}
/* \brief destroys the current glhck context */
GLHCKAPI void glhckContextTerminate(void)
{
if (!glhckInitialized()) return;
TRACE(0);
/* destroy queues */
_glhckFree(GLHCKRD()->objects.queue);
_glhckFree(GLHCKRD()->textures.queue);
/* destroy world */
glhckMassacreWorld();
/* terminate internal vertex/index types */
_glhckGeometryTerminate();
/* close display */
glhckDisplayClose();
/* terminate allocation tracking */
#ifndef NDEBUG
puts("\nExit graph, this should be empty.");
glhckMemoryGraph();
_glhckTrackTerminate();
#endif
#if !GLHCK_DISABLE_TRACE
/* terminate trace system */
_glhckTraceTerminate();
#endif
/* finally remove the context */
free(_glhckContext);
glhckContextSet(NULL);
}
/* \brief free skin bone object */
GLHCKAPI unsigned int glhckSkinBoneFree(glhckSkinBone *object)
{
if (!glhckInitialized()) return 0;
CALL(FREE_CALL_PRIO(object), "%p", object);
assert(object);
/* there is still references to this object alive */
if (--object->refCounter != 0) goto success;
/* free the weights */
glhckSkinBoneInsertWeights(object, NULL, 0);
/* remove from world */
_glhckWorldRemove(skinBone, object, glhckSkinBone*);
/* free */
NULLDO(_glhckFree, object);
success:
RET(FREE_RET_PRIO(object), "%u", object?object->refCounter:0);
return object?object->refCounter:0;
}
/* \brief render scene */
GLHCKAPI void glhckRender(void)
{
unsigned int ti, oi, ts, os, tc, oc;
char kt;
glhckTexture *t;
glhckObject *o;
__GLHCKobjectQueue *objects;
__GLHCKtextureQueue *textures;
GLHCK_INITIALIZED();
TRACE(2);
/* can't render */
if (!glhckInitialized() || !_glhckRenderInitialized())
return;
objects = &GLHCKRD()->objects;
textures = &GLHCKRD()->textures;
/* store counts for enumeration, +1 for untexture objects */
tc = textures->count+1;
oc = objects->count;
/* nothing to draw */
if (!oc)
return;
/* draw in sorted texture order */
for (ti = 0, ts = 0; ti != tc; ++ti) {
if (ti < tc-1) {
if (!(t = textures->queue[ti])) continue;
} else t = NULL; /* untextured object */
for (oi = 0, os = 0, kt = 0; oi != oc; ++oi) {
if (!(o = objects->queue[oi])) continue;
if (o->material) {
/* don't draw if not same texture or opaque,
* opaque objects are drawn last */
if (o->material->texture != t ||
(o->material->blenda != GLHCK_ZERO || o->material->blendb != GLHCK_ZERO)) {
if (o->material->texture == t) kt = 1; /* don't remove texture from queue */
if (os != oi) objects->queue[oi] = NULL;
objects->queue[os++] = o;
continue;
}
} else if (t) {
/* no material, but texture requested */
if (os != oi) objects->queue[oi] = NULL;
objects->queue[os++] = o;
continue;
}
/* render object */
glhckObjectRender(o);
glhckObjectFree(o); /* referenced on draw call */
objects->queue[oi] = NULL;
--objects->count;
}
/* check if we need texture again or not */
if (kt) {
if (ts != ti) textures->queue[ti] = NULL;
textures->queue[ts++] = t;
} else {
if (t) {
glhckTextureFree(t); /* ref is increased on draw call! */
textures->queue[ti] = NULL;
--textures->count;
}
}
}
/* store counts for enumeration, +1 for untextured objects */
tc = textures->count+1;
oc = objects->count;
/* FIXME: shift queue here */
if (oc) {
}
/* draw opaque objects next,
* FIXME: this should not be done in texture order,
* instead draw from farthest to nearest. (I hate opaque objects) */
for (ti = 0; ti != tc && oc; ++ti) {
if (ti < tc-1) {
if (!(t = textures->queue[ti])) continue;
} else t = NULL; /* untextured object */
for (oi = 0, os = 0; oi != oc; ++oi) {
if (!(o = objects->queue[oi])) continue;
if (o->material) {
/* don't draw if not same texture */
if (o->material->texture != t) {
if (os != oi) objects->queue[oi] = NULL;
objects->queue[os++] = o;
continue;
}
} else if (t) {
if (os != oi) objects->queue[oi] = NULL;
objects->queue[os++] = o;
continue;
}
/* render object */
glhckObjectRender(o);
glhckObjectFree(o); /* referenced on draw call */
objects->queue[oi] = NULL;
--objects->count;
}
/* this texture is done for */
if (t) {
glhckTextureFree(t); /* ref is increased on draw call! */
textures->queue[ti] = NULL;
--textures->count;
}
/* no texture, time to break */
if (!t) break;
}
/* FIXME: shift queue here if leftovers */
/* good we got no leftovers \o/ */
if (objects->count) {
/* something was left un-drawn :o? */
for (oi = 0; oi != objects->count; ++oi) glhckObjectFree(objects->queue[oi]);
memset(objects->queue, 0, objects->count * sizeof(glhckObject*));
objects->count = 0;
}
if (textures->count) {
/* something was left un-drawn :o? */
DEBUG(GLHCK_DBG_CRAP, "COUNT UNLEFT %u", textures->count);
for (ti = 0; ti != textures->count; ++ti) glhckTextureFree(textures->queue[ti]);
memset(textures->queue, 0, textures->count * sizeof(glhckTexture*));
textures->count = 0;
}
}
