static address_expansion_value_t *address_expansion_value_read(FILE *f) {
if (f == NULL) return NULL;
address_expansion_value_t *value = address_expansion_value_new();
if (!file_read_uint32(f, &value->components)) {
goto exit_expansion_value_created;
}
uint32_t num_expansions;
if (!file_read_uint32(f, &num_expansions)) {
goto exit_expansion_value_created;
}
address_expansion_t expansion;
for (size_t i = 0; i < num_expansions; i++) {
if (!address_expansion_read(f, &expansion)) {
goto exit_expansion_value_created;
}
address_expansion_array_push(value->expansions, expansion);
}
return value;
exit_expansion_value_created:
address_expansion_value_destroy(value);
return NULL;
}
graph_t *graph_read(FILE *f) {
graph_t *g = malloc(sizeof(graph_t));
if (g == NULL) return NULL;
g->indptr = NULL;
g->indices = NULL;
if (!file_read_uint32(f, &g->m) ||
!file_read_uint32(f, &g->n) ||
!file_read_uint8(f, (uint8_t *)&g->fixed_rows)) {
goto exit_graph_allocated;
}
uint64_t len_indptr;
if (!file_read_uint64(f, &len_indptr)) {
goto exit_graph_allocated;
}
uint32_array *indptr = uint32_array_new_size(len_indptr);
if (indptr == NULL) {
goto exit_graph_allocated;
}
for (int i = 0; i < len_indptr; i++) {
if (!file_read_uint32(f, indptr->a + i)) {
goto exit_graph_allocated;
}
}
indptr->n = (size_t)len_indptr;
g->indptr = indptr;
uint64_t len_indices;
if (!file_read_uint64(f, &len_indices)) {
goto exit_graph_allocated;
}
uint32_array *indices = uint32_array_new_size(len_indices);
if (indices == NULL) {
goto exit_graph_allocated;
}
for (int i = 0; i < len_indices; i++) {
if (!file_read_uint32(f, indices->a + i)) {
goto exit_graph_allocated;
}
}
indices->n = (size_t)len_indices;
g->indices = indices;
return g;
exit_graph_allocated:
graph_destroy(g);
return NULL;
}
static bool address_expansion_read(FILE *f, address_expansion_t *expansion) {
if (f == NULL) return false;
if (!file_read_uint32(f, (uint32_t *)&expansion->canonical_index)) {
return false;
}
uint32_t language_len;
if (!file_read_uint32(f, &language_len)) {
return false;
}
if (!file_read_chars(f, expansion->language, language_len)) {
return false;
}
if (!file_read_uint32(f, (uint32_t *)&expansion->num_dictionaries)) {
return false;
}
for (size_t i = 0; i < expansion->num_dictionaries; i++) {
if (!file_read_uint16(f, (uint16_t *)expansion->dictionary_ids + i)) {
return false;
}
}
if (!file_read_uint32(f, &expansion->address_components)) {
return false;
}
if (!file_read_uint8(f, (uint8_t *)&expansion->separable)) {
return false;
}
return true;
}
RawSound* wav_load(const char* filename) {
assert(filename);
FileHandle wav_file = file_open(filename);
uint chunk_id = file_read_uint32(wav_file);
if(chunk_id != ('R'+('I'<<8)+('F'<<16)+('F'<<24)))
LOG_ERROR("Bad file type");
file_read_uint32(wav_file);
uint wave_id = file_read_uint32(wav_file);
if(wave_id != ('W'+('A'<<8)+('V'<<16)+('E'<<24)))
LOG_ERROR("Bad wave id");
// Format chunk
uint format_id = file_read_uint32(wav_file);
if(format_id != ('f'+('m'<<8)+('t'<<16)+(' '<<24)))
LOG_ERROR("Not format chunk");
uint format_length __attribute__ ((unused)) = file_read_uint32(wav_file);
assert(format_length == 0x10);
format_length = 0; // To prevent unused warning
uint16 format_code __attribute__((unused)) = file_read_uint16(wav_file);
assert(format_code == 0x01);
format_code = 0; // To prevent unused warning
uint16 n_channels = file_read_uint16(wav_file);
assert(n_channels == 1 || n_channels == 2);
uint32 sample_rate = file_read_uint32(wav_file);
file_read_uint32(wav_file);
file_read_uint16(wav_file);
uint16 bits_per_sample = file_read_uint16(wav_file);
assert(bits_per_sample == 8 || bits_per_sample == 16);
// Data chunk
// https://projects.developer.nokia.com/svn/matchempoker/tags/v1.1.0/qt_build/src/GEAudioBuffer.cpp
uint32 data_id = 1635017060;
uint32 current_field = file_read_uint32(wav_file);
while(current_field != data_id) // Skip till "data" is found
current_field = file_read_uint32(wav_file);
uint data_size = file_read_uint32(wav_file);
if(data_size < 1)
LOG_ERROR("Data id is not \'data\'");
void* data = MEM_ALLOC(data_size);
file_read(wav_file, data, data_size);
// Fill sound struct
RawSound* result = (RawSound*)MEM_ALLOC(sizeof(RawSound));
result->frequency = sample_rate;
result->bits = bits_per_sample;
result->channels = n_channels;
result->size = data_size;
result->data = data;
// If 16 bits per sample and we're on big-endian cpu, swap bytes
uint16 endian_test = 0x0011;
if(bits_per_sample == 16 && endian_test != endian_swap2(endian_test)) {
size_t i; for(i = 0; i < data_size; i += 2) {
uint16* sample = (uint16*)(result->data + i);
*sample = endian_swap2(*sample);
}
}
return result;
}
NavMesh ai_load_navmesh(FileHandle file) {
assert(file);
NavMesh r;
r.n_nodes = file_read_uint32(file);
assert(r.n_nodes > 3 && r.n_nodes < 1024);
size_t n = r.n_nodes;
r.navpoints = (Vector2*)MEM_ALLOC(sizeof(Vector2)*n);
r.neighbour_count = (uint*)MEM_ALLOC(sizeof(uint)*n);
r.neighbours_start = (uint*)MEM_ALLOC(sizeof(uint)*n);
r.distance = (float*)MEM_ALLOC(sizeof(float)*n*n);
r.radius = (float*)MEM_ALLOC(sizeof(float)*n);
r.nn_grid_start = (uint*)MEM_ALLOC(sizeof(uint)*nn_grid_cells);
r.nn_grid_count = (uint*)MEM_ALLOC(sizeof(uint)*nn_grid_cells);
for(uint i = 0; i < n; ++i) {
r.navpoints[i].x = file_read_float(file);
r.navpoints[i].y = file_read_float(file);
}
uint n_neighbours = 0;
for(uint i = 0; i < n; ++i) {
r.neighbour_count[i] = file_read_uint32(file);
n_neighbours += r.neighbour_count[i];
}
r.neighbours_start[0] = 0;
for(uint i = 1; i < n; ++i)
r.neighbours_start[i] =
r.neighbours_start[i-1] + r.neighbour_count[i-1];
r.neighbours = MEM_ALLOC(sizeof(uint) * n_neighbours);
for(uint i = 0; i < n_neighbours; ++i)
r.neighbours[i] = file_read_uint32(file);
for(uint i = 0; i < n*n; ++i)
r.distance[i] = file_read_float(file);
for(uint i = 0; i < n; ++i)
r.radius[i] = file_read_float(file);
uint n_nn_grid_nodes = 0;
for(uint i = 0; i < nn_grid_cells; ++i) {
r.nn_grid_count[i] = file_read_uint32(file);
n_nn_grid_nodes += r.nn_grid_count[i];
}
r.nn_grid = MEM_ALLOC(sizeof(uint) * n_nn_grid_nodes);
r.nn_grid_start[0] = 0;
for(uint i = 1; i < nn_grid_cells; ++i)
r.nn_grid_start[i] = r.nn_grid_start[i-1] + r.nn_grid_count[i-1];
for(uint i = 0; i < n_nn_grid_nodes; ++i)
r.nn_grid[i] = file_read_uint32(file);
r.vis_bitmap = MEM_ALLOC(sizeof(uint) * vis_bitmap_size);
for(uint i = 0; i < vis_bitmap_size; ++i)
r.vis_bitmap[i] = file_read_uint32(file);
return r;
}
bool address_dictionary_read(FILE *f) {
if (address_dict != NULL) return false;
uint32_t signature;
if (!file_read_uint32(f, &signature) || signature != ADDRESS_DICTIONARY_SIGNATURE) {
return false;
}
address_dict = malloc(sizeof(address_dictionary_t));
if (address_dict == NULL) return false;
uint32_t canonical_str_len;
if (!file_read_uint32(f, &canonical_str_len)) {
goto exit_address_dict_created;
}
char_array *array = char_array_new_size(canonical_str_len);
if (array == NULL) {
goto exit_address_dict_created;
}
if (!file_read_chars(f, array->a, canonical_str_len)) {
char_array_destroy(array);
goto exit_address_dict_created;
}
array->n = canonical_str_len;
address_dict->canonical = cstring_array_from_char_array(array);
uint32_t num_values;
if (!file_read_uint32(f, &num_values)) {
goto exit_address_dict_created;
}
address_dict->values = address_expansion_value_array_new_size(num_values);
for (uint32_t i = 0; i < num_values; i++) {
address_expansion_value_t *value = address_expansion_value_read(f);
if (value == NULL) {
goto exit_address_dict_created;
}
address_expansion_value_array_push(address_dict->values, value);
}
address_dict->trie = trie_read(f);
if (address_dict->trie == NULL) {
goto exit_address_dict_created;
}
return true;
exit_address_dict_created:
address_dictionary_destroy(address_dict);
return false;
}
