/* \brief import Assimp file */
int _glhckImportAssimp(glhckObject *object, const char *file, const glhckImportModelParameters *params,
glhckGeometryIndexType itype, glhckGeometryVertexType vtype)
{
const struct aiScene *scene;
glhckObject *first = NULL;
unsigned int aflags;
CALL(0, "%p, %s, %p", object, file, params);
/* import the model using assimp
* TODO: make import hints tunable?
* Needs changes to import protocol! */
aflags = aiProcessPreset_TargetRealtime_Fast | aiProcess_OptimizeGraph;
if (!params->animated && params->flatten) aflags |= aiProcess_PreTransformVertices;
scene = aiImportFile(file, aflags);
if (!scene) goto assimp_fail;
/* mark ourself as special root object.
* this makes most functions called on root object echo to children */
object->flags |= GLHCK_OBJECT_ROOT;
/* this is going to be the first object in mesh,
* the object returned by this importer is just invisible root object. */
if (!(first = glhckObjectNew())) goto fail;
glhckObjectAddChild(object, first);
glhckObjectFree(first);
/* process the model */
if (processModel(file, object, first, scene, scene->mRootNode,
itype, vtype, params) != RETURN_OK)
goto fail;
/* process the animated model part */
if (params->animated && processBonesAndAnimations(object, scene) != RETURN_OK)
goto fail;
/* close file */
NULLDO(aiReleaseImport, scene);
RET(0, "%d", RETURN_OK);
return RETURN_OK;
assimp_fail:
DEBUG(GLHCK_DBG_ERROR, aiGetErrorString());
fail:
IFDO(aiReleaseImport, scene);
IFDO(glhckObjectFree, first);
RET(0, "%d", RETURN_FAIL);
return RETURN_FAIL;
}
Object::~Object()
{
glhckObjectFree(o);
}
UfoLaser::~UfoLaser()
{
glhckObjectFree(o);
}
static int processModel(const char *file, glhckObject *object,
glhckObject *current, const struct aiScene *sc, const struct aiNode *nd,
glhckGeometryIndexType itype, glhckGeometryVertexType vtype, const glhckImportModelParameters *params)
{
unsigned int m, f;
unsigned int numVertices = 0, numIndices = 0;
unsigned int ioffset, voffset;
glhckImportIndexData *indices = NULL;
glhckImportVertexData *vertexData = NULL;
glhckMaterial *material = NULL;
glhckTexture **textureList = NULL, *texture = NULL;
glhckAtlas *atlas = NULL;
const struct aiMesh *mesh;
const struct aiFace *face;
int canFreeCurrent = 0;
int hasTexture = 0;
assert(file);
assert(object && current);
assert(sc && nd);
/* combine && atlas loading path */
if (params->flatten) {
/* prepare atlas for texture combining */
if (!(atlas = glhckAtlasNew()))
goto assimp_no_memory;
/* texturelist for offseting coordinates */
if (!(textureList = _glhckCalloc(nd->mNumMeshes, sizeof(_glhckTexture*))))
goto assimp_no_memory;
/* gather statistics */
for (m = 0; m != nd->mNumMeshes; ++m) {
mesh = sc->mMeshes[nd->mMeshes[m]];
if (!mesh->mVertices) continue;
for (f = 0; f != mesh->mNumFaces; ++f) {
face = &mesh->mFaces[f];
if (!face) goto fail;
numIndices += face->mNumIndices;
}
numVertices += mesh->mNumVertices;
if ((texture = textureFromMaterial(file, sc->mMaterials[mesh->mMaterialIndex]))) {
glhckAtlasInsertTexture(atlas, texture);
glhckTextureFree(texture);
textureList[m] = texture;
hasTexture = 1;
}
}
/* allocate vertices */
if (!(vertexData = _glhckCalloc(numVertices, sizeof(glhckImportVertexData))))
goto assimp_no_memory;
/* allocate indices */
if (!(indices = _glhckMalloc(numIndices * sizeof(glhckImportIndexData))))
goto assimp_no_memory;
/* pack combined textures */
if (hasTexture) {
if (glhckAtlasPack(atlas, GLHCK_RGBA, 1, 0, glhckTextureDefaultParameters()) != RETURN_OK)
goto fail;
} else {
NULLDO(glhckAtlasFree, atlas);
NULLDO(_glhckFree, textureList);
}
/* join vertex data */
for (m = 0, ioffset = 0, voffset = 0; m != nd->mNumMeshes; ++m) {
mesh = sc->mMeshes[nd->mMeshes[m]];
if (!mesh->mVertices) continue;
if (textureList) texture = textureList[m];
else texture = NULL;
joinMesh(mesh, voffset, indices+ioffset, vertexData+voffset, atlas, texture);
for (f = 0; f != mesh->mNumFaces; ++f) {
face = &mesh->mFaces[f];
if (!face) goto fail;
ioffset += face->mNumIndices;
}
voffset += mesh->mNumVertices;
}
/* create material */
if (hasTexture && !(material = glhckMaterialNew(texture)))
goto assimp_no_memory;
/* finally build the model */
if (buildModel(current, numIndices, numVertices,
indices, vertexData, itype, vtype) == RETURN_OK) {
_glhckObjectFile(current, nd->mName.data);
if (material) glhckObjectMaterial(current, material);
if (!(current = glhckObjectNew())) goto fail;
glhckObjectAddChild(object, current);
glhckObjectFree(current);
canFreeCurrent = 1;
}
/* free stuff */
IFDO(glhckAtlasFree, atlas);
IFDO(glhckMaterialFree, material);
IFDO(_glhckFree, textureList);
NULLDO(_glhckFree, vertexData);
NULLDO(_glhckFree, indices);
} else {
/* default loading path */
for (m = 0, ioffset = 0, voffset = 0; m != nd->mNumMeshes; ++m) {
mesh = sc->mMeshes[nd->mMeshes[m]];
if (!mesh->mVertices) continue;
/* gather statistics */
numIndices = 0;
for (f = 0; f != mesh->mNumFaces; ++f) {
face = &mesh->mFaces[f];
if (!face) goto fail;
numIndices += face->mNumIndices;
}
numVertices = mesh->mNumVertices;
// FIXME: create materialFromAssimpMaterial
// that returns glhckMaterial with correct stuff
/* get texture */
hasTexture = 0;
if ((texture = textureFromMaterial(file, sc->mMaterials[mesh->mMaterialIndex])))
hasTexture = 1;
/* create material */
if (hasTexture && !(material = glhckMaterialNew(texture)))
goto assimp_no_memory;
/* allocate vertices */
if (!(vertexData = _glhckCalloc(numVertices, sizeof(glhckImportVertexData))))
goto assimp_no_memory;
/* allocate indices */
if (!(indices = _glhckMalloc(numIndices * sizeof(glhckImportIndexData))))
goto assimp_no_memory;
/* fill arrays */
joinMesh(mesh, 0, indices, vertexData, NULL, NULL);
/* build model */
if (buildModel(current, numIndices, numVertices,
indices, vertexData, itype, vtype) == RETURN_OK) {
/* FIXME: UGLY */
char pointer[16];
snprintf(pointer, sizeof(pointer), "%p", mesh);
_glhckObjectFile(current, pointer);
if (material) glhckObjectMaterial(current, material);
if (!(current = glhckObjectNew())) goto fail;
glhckObjectAddChild(object, current);
glhckObjectFree(current);
canFreeCurrent = 1;
}
/* free stuff */
NULLDO(_glhckFree, vertexData);
NULLDO(_glhckFree, indices);
IFDO(glhckTextureFree, texture);
IFDO(glhckMaterialFree, material);
}
}
/* process childrens */
for (m = 0; m != nd->mNumChildren; ++m) {
if (processModel(file, object, current, sc, nd->mChildren[m],
itype, vtype, params) == RETURN_OK) {
if (!(current = glhckObjectNew())) goto fail;
glhckObjectAddChild(object, current);
glhckObjectFree(current);
canFreeCurrent = 1;
}
}
/* we din't do anything to the next
* allocated object, so free it */
if (canFreeCurrent) glhckObjectRemoveFromParent(current);
return RETURN_OK;
assimp_no_memory:
DEBUG(GLHCK_DBG_ERROR, "Assimp not enough memory.");
fail:
IFDO(_glhckFree, vertexData);
IFDO(_glhckFree, indices);
IFDO(_glhckFree, textureList);
IFDO(glhckTextureFree, texture);
IFDO(glhckMaterialFree, material);
IFDO(glhckAtlasFree, atlas);
if (canFreeCurrent) glhckObjectRemoveFromParent(current);
return RETURN_FAIL;
}
/* \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;
}
}
Ship::~Ship()
{
glhckObjectFree(o);
glhckObjectFree(shield);
}
Shot::~Shot()
{
glhckObjectFree(o);
}
Plasma::~Plasma()
{
glhckObjectFree(o);
glhckObjectFree(oGlow);
}
