splaytree_t * chrono_order_preset_name_tree = NULL;
int get_preset_path(char ** preset_path_ptr, char * filepath, char * filename);
preset_t * load_preset(char * pathname);
-int is_valid_extension(char * name);
+int is_valid_extension(char * name);
int load_preset_file(char * pathname, preset_t * preset);
int close_preset(preset_t * preset);
/* loadPresetDir: opens the directory buffer
denoted by 'dir' to load presets */
-
+
int loadPresetDir(char * dir) {
struct dirent ** name_list;
char * preset_name;
int i, j, dir_size;
-
+
if (dir == NULL)
- return ERROR;
+ return ERROR;
if (chrono_order_preset_name_tree != NULL) {
- if (PRESET_DEBUG) printf("loadPresetDir: previous directory doesn't appear to be closed!\n");
- /* Let this slide for now */
- }
-
- /* Scan the entire directory, storing each entry in a dirent struct array that needs
+ if (PRESET_DEBUG) printf("loadPresetDir: previous directory doesn't appear to be closed!\n");
+ /* Let this slide for now */
+ }
+
+ /* Scan the entire directory, storing each entry in a dirent struct array that needs
to be freed later. For more information, consult scandir(3) in the man pages */
if ((dir_size = scandir(dir, &name_list, 0, alphasort)) < 0) {
- if (PRESET_DEBUG) printf("loadPresetDir: failed to open directory \"%s\"\n", dir);
- return ERROR;
+ if (PRESET_DEBUG) printf("loadPresetDir: failed to open directory \"%s\"\n", dir);
+ return ERROR;
}
-
+
chrono_order_preset_name_tree = create_splaytree(compare_int, copy_int, free_int);
-
+
/* Iterate through entire dirent name list, adding to the preset name list if it
- is valid */
+ is valid */
for (i = 0; ((i < dir_size) && (i < MAX_PRESETS_IN_DIR));i++) {
- /* Only perform the next set of operations if the preset name
- contains a valid extension */
- if (is_valid_extension(name_list[i]->d_name)) {
-
- /* Handle the out of memory case. My guess is xmms would
- crash before this program would, but whatever...*/
- if ((preset_name = (char*)malloc(MAX_PATH_SIZE)) == NULL) {
- if (PRESET_DEBUG) printf("loadPresetDir: out of memory! \n");
-
- /* Free the rest of the dirent name list */
- for (j = i; j < dir_size; j++)
- free(name_list[j]);
- destroy_splaytree(chrono_order_preset_name_tree);
- return OUTOFMEM_ERROR;
- }
-
- /* Now create the full path */
- if (get_preset_path(&preset_name, dir, name_list[i]->d_name) < 0) {
- if (PRESET_DEBUG) printf("loadPresetDir: failed to generate full preset path name!\n");
-
- /* Free the rest of the dirent name list */
- for (j = i; j < dir_size; j++)
- free(name_list[j]);
- destroy_splaytree(chrono_order_preset_name_tree);
- return OUTOFMEM_ERROR;
-
- }
-
- /* Insert the character string into the splay tree, with the key being its sequence number */
- splay_insert(preset_name, &preset_name_buffer_size, chrono_order_preset_name_tree);
- preset_name_buffer_size++;
- }
-
- /* Free the dirent struct */
- free(name_list[i]);
-
- }
-
+ /* Only perform the next set of operations if the preset name
+ contains a valid extension */
+ if (is_valid_extension(name_list[i]->d_name)) {
+
+ /* Handle the out of memory case. My guess is xmms would
+ crash before this program would, but whatever...*/
+ if ((preset_name = (char*)malloc(MAX_PATH_SIZE)) == NULL) {
+ if (PRESET_DEBUG) printf("loadPresetDir: out of memory! \n");
+
+ /* Free the rest of the dirent name list */
+ for (j = i; j < dir_size; j++)
+ free(name_list[j]);
+ destroy_splaytree(chrono_order_preset_name_tree);
+ return OUTOFMEM_ERROR;
+ }
+
+ /* Now create the full path */
+ if (get_preset_path(&preset_name, dir, name_list[i]->d_name) < 0) {
+ if (PRESET_DEBUG) printf("loadPresetDir: failed to generate full preset path name!\n");
+
+ /* Free the rest of the dirent name list */
+ for (j = i; j < dir_size; j++)
+ free(name_list[j]);
+ destroy_splaytree(chrono_order_preset_name_tree);
+ return OUTOFMEM_ERROR;
+
+ }
+
+ /* Insert the character string into the splay tree, with the key being its sequence number */
+ splay_insert(preset_name, &preset_name_buffer_size, chrono_order_preset_name_tree);
+ preset_name_buffer_size++;
+ }
+
+ /* Free the dirent struct */
+ free(name_list[i]);
+
+ }
+
free(name_list);
-
+
/* No valid files in directory! */
if (chrono_order_preset_name_tree->root == NULL) {
- if (PRESET_DEBUG) printf("loadPresetDir: no valid files in directory \"%s\"\n", dir);
- destroy_splaytree(chrono_order_preset_name_tree);
- chrono_order_preset_name_tree = NULL;
- return FAILURE;
- }
-
+ if (PRESET_DEBUG) printf("loadPresetDir: no valid files in directory \"%s\"\n", dir);
+ destroy_splaytree(chrono_order_preset_name_tree);
+ chrono_order_preset_name_tree = NULL;
+ return FAILURE;
+ }
+
/* Start the prefix index right before the first entry, so next preset
starts at the top of the list */
preset_index = -1;
-
+
/* Start the first preset */
switchPreset(ALPHA_NEXT, HARD_CUT);
-
+
return SUCCESS;
}
int closePresetDir() {
- /* No preset director appears to be loaded */
- if (chrono_order_preset_name_tree == NULL)
+ /* No preset director appears to be loaded */
+ if (chrono_order_preset_name_tree == NULL)
return SUCCESS;
-
+
if (PRESET_DEBUG) {
- printf("closePresetDir: freeing directory buffer...");
- fflush(stdout);
- }
-
+ printf("closePresetDir: freeing directory buffer...");
+ fflush(stdout);
+ }
+
/* Free each entry in the directory preset name tree */
splay_traverse(free_int, chrono_order_preset_name_tree);
-
+
/* Destroy the chronological order splay tree */
destroy_splaytree(chrono_order_preset_name_tree);
chrono_order_preset_name_tree = NULL;
preset_name_buffer_size = 0;
if (PRESET_DEBUG) printf("finished\n");
-
+
return SUCCESS;
}
-/* Converts a preset file name to a full path */
+/* Converts a preset file name to a full path */
int get_preset_path(char ** preset_path_ptr, char * filepath, char * filename) {
char * preset_path;
-
+
/* An insanely paranoid sequence of argument checks */
if (preset_path_ptr == NULL)
- return ERROR;
+ return ERROR;
if (*preset_path_ptr == NULL)
return ERROR;
if (filename == NULL)
- return ERROR;
+ return ERROR;
if (filepath == NULL)
- return ERROR;
-
+ return ERROR;
+
/* Mostly here for looks */
preset_path = *preset_path_ptr;
/* Clear the name space first */
memset(preset_path, 0, MAX_PATH_SIZE);
-
+
/* Now create the string "PATH/FILENAME", where path is either absolute or relative location
of the .milk file, and filename is the name of the preset file itself */
strcat(
- strcat(
- strncpy(
- preset_path,
- filepath,
- MAX_PATH_SIZE-1),
- "/"),
- filename);
+ strcat(
+ strncpy(
+ preset_path,
+ filepath,
+ MAX_PATH_SIZE-1),
+ "/"),
+ filename);
return SUCCESS;
-}
+}
/* switchPreset: loads the next preset from the directory stream.
loadPresetDir() must be called first. This is a
int switchPreset(switch_mode_t switch_mode, int cut_type) {
preset_t * new_preset;
-
+
int switch_index;
-
+
/* Make sure a preset directory list is in the buffer */
if (chrono_order_preset_name_tree == NULL) {
if (PRESET_DEBUG) printf("switchPreset: it helps if you open a directory first with a loadPresetDir() call\n");
return ERROR;
}
-
-
+
+
switch (switch_mode) {
-
+
case ALPHA_NEXT:
/* An index variable that iterates through the directory
buffer, doing wrap around when it reaches the end of
- the buffer */
-
+ the buffer */
+
if (preset_index == (preset_name_buffer_size - 1))
- switch_index = preset_index = 0;
- else
- switch_index = ++preset_index;
+ switch_index = preset_index = 0;
+ else
+ switch_index = ++preset_index;
break;
case ALPHA_PREVIOUS:
-
+
if (preset_index == 0)
- switch_index = preset_index = preset_name_buffer_size - 1;
- else
- switch_index = --preset_index;
+ switch_index = preset_index = preset_name_buffer_size - 1;
+ else
+ switch_index = --preset_index;
break;
-
+
case RANDOM_NEXT:
- switch_index = (int) (preset_name_buffer_size*(rand()/(RAND_MAX+1.0)));
- break;
+ switch_index = (int) (preset_name_buffer_size*(rand()/(RAND_MAX+1.0)));
+ break;
case RESTART_ACTIVE:
- switch_index = preset_index;
- break;
+ switch_index = preset_index;
+ break;
default:
- return FAILURE;
+ return FAILURE;
}
-
-
+
+
/* Finally, load the preset using its actual path */
if ((new_preset = load_preset((char*)splay_find(&switch_index, chrono_order_preset_name_tree))) == NULL) {
- if (PRESET_DEBUG) printf("switchPreset: failed to load preset\n");
- return ERROR;
+ if (PRESET_DEBUG) printf("switchPreset: failed to load preset\n");
+ return ERROR;
}
/* Closes a preset currently loaded, if any */
/* Finally, load the preset using its actual path */
if ((new_preset = load_preset(filename)) == NULL) {
- if (PRESET_DEBUG) printf("loadPresetByFile: failed to load preset!\n");
- return ERROR;
+ if (PRESET_DEBUG) printf("loadPresetByFile: failed to load preset!\n");
+ return ERROR;
}
/* Closes a preset currently loaded, if any */
if ((active_preset != NULL) && (active_preset != idle_preset))
- close_preset(active_preset);
+ close_preset(active_preset);
/* Sets active preset global pointer */
active_preset = new_preset;
/* Add any missing initial conditions */
load_init_conditions();
-
+
/* Need to do this once for menu */
evalInitConditions();
// evalPerFrameInitEquations();
if ((preset = (preset_t*)malloc(sizeof(preset_t))) == NULL)
return FAILURE;
-
+
strncpy(preset->name, "idlepreset", strlen("idlepreset"));
/* Initialize equation trees */
preset->custom_wave_tree = create_splaytree(compare_int, copy_int, free_int);
preset->custom_shape_tree = create_splaytree(compare_int, copy_int, free_int);
- /* Set file path to dummy name */
+ /* Set file path to dummy name */
strncpy(preset->file_path, "IDLE PRESET", MAX_PATH_SIZE-1);
-
+
/* Set initial index values */
preset->per_pixel_eqn_string_index = 0;
preset->per_frame_eqn_string_index = 0;
preset->per_frame_init_eqn_string_index = 0;
memset(preset->per_pixel_flag, 0, sizeof(int)*NUM_OPS);
-
+
/* Clear string buffers */
memset(preset->per_pixel_eqn_string_buffer, 0, STRING_BUFFER_SIZE);
memset(preset->per_frame_eqn_string_buffer, 0, STRING_BUFFER_SIZE);
memset(preset->per_frame_init_eqn_string_buffer, 0, STRING_BUFFER_SIZE);
idle_preset = preset;
-
+
return SUCCESS;
}
int destroy_idle_preset() {
return close_preset(idle_preset);
-
+
}
/* initPresetLoader: initializes the preset
/* Initializes the builtin function database */
init_builtin_func_db();
-
+
/* Initializes all infix operators */
init_infix_ops();
}
/* destroyPresetLoader: closes the preset
- loading library. This should be done when
+ loading library. This should be done when
projectM does cleanup */
int destroyPresetLoader() {
-
- if ((active_preset != NULL) && (active_preset != idle_preset)) {
- close_preset(active_preset);
- }
+
+ if ((active_preset != NULL) && (active_preset != idle_preset)) {
+ close_preset(active_preset);
+ }
active_preset = NULL;
-
+
destroy_idle_preset();
destroy_builtin_param_db();
destroy_builtin_func_db();
/* load_preset_file: private function that loads a specific preset denoted
by the given pathname */
-int load_preset_file(char * pathname, preset_t * preset) {
+int load_preset_file(char * pathname, preset_t * preset) {
FILE * fs;
int retval;
if (pathname == NULL)
- return FAILURE;
+ return FAILURE;
if (preset == NULL)
- return FAILURE;
-
+ return FAILURE;
+
/* Open the file corresponding to pathname */
if ((fs = utf8_fopen(pathname, "r")) == 0) {
if (PRESET_DEBUG) printf("load_preset_file: loading of file %s failed!\n", pathname);
- return ERROR;
+ return ERROR;
}
if (PRESET_DEBUG) printf("load_preset_file: file stream \"%s\" opened successfully\n", pathname);
fclose(fs);
return FAILURE;
}
-
+
/* Parse the preset name and a left bracket */
if (parse_preset_name(fs, preset->name) < 0) {
if (PRESET_DEBUG) printf("load_preset_file: loading of preset name in file \"%s\" failed\n", pathname);
fclose(fs);
return ERROR;
}
-
+
if (PRESET_DEBUG) printf("load_preset_file: preset \"%s\" parsed\n", preset->name);
/* Parse each line until end of file */
if (PRESET_DEBUG > 1) printf("load_preset_file: parse error in file \"%s\"\n", pathname);
}
}
-
- if (PRESET_DEBUG) printf("load_preset_file: finished line parsing successfully\n");
+
+ if (PRESET_DEBUG) printf("load_preset_file: finished line parsing successfully\n");
/* Now the preset has been loaded.
Evaluation calls can be made at appropiate
times in the frame loop */
-
+
fclose(fs);
-
+
if (PRESET_DEBUG) printf("load_preset_file: file \"%s\" closed, preset ready\n", pathname);
return SUCCESS;
-
+
}
void evalInitConditions() {
void evalPerFrameInitEquations() {
//printf("evalPerFrameInitEquations: per frame init unimplemented!\n");
// splay_traverse(eval_per_frame_eqn, active_preset->per_frame_init_eqn_tree);
-}
+}
/* Returns nonzero if string 'name' contains .milk or
(the better) .prjm extension. Not a very strong function currently */
int is_valid_extension(char * name) {
- if (PRESET_DEBUG > 1) {
- printf("is_valid_extension: scanning string \"%s\"...", name);
- fflush(stdout);
- }
-
- if (strstr(name, MILKDROP_FILE_EXTENSION)) {
- if (PRESET_DEBUG > 1) printf("\".milk\" extension found in string [true]\n");
- return TRUE;
- }
-
- if (strstr(name, PROJECTM_FILE_EXTENSION)) {
- if (PRESET_DEBUG > 1) printf("\".prjm\" extension found in string [true]\n");
- return TRUE;
- }
-
- if (PRESET_DEBUG > 1) printf("no valid extension found [false]\n");
- return FALSE;
+ if (PRESET_DEBUG > 1) {
+ printf("is_valid_extension: scanning string \"%s\"...", name);
+ fflush(stdout);
+ }
+
+ if (strstr(name, MILKDROP_FILE_EXTENSION)) {
+ if (PRESET_DEBUG > 1) printf("\".milk\" extension found in string [true]\n");
+ return TRUE;
+ }
+
+ if (strstr(name, PROJECTM_FILE_EXTENSION)) {
+ if (PRESET_DEBUG > 1) printf("\".prjm\" extension found in string [true]\n");
+ return TRUE;
+ }
+
+ if (PRESET_DEBUG > 1) printf("no valid extension found [false]\n");
+ return FALSE;
}
/* Private function to close a preset file */
splay_traverse(free_init_cond, preset->init_cond_tree);
destroy_splaytree(preset->init_cond_tree);
-
+
splay_traverse(free_init_cond, preset->per_frame_init_eqn_tree);
destroy_splaytree(preset->per_frame_init_eqn_tree);
-
+
splay_traverse(free_per_pixel_eqn, preset->per_pixel_eqn_tree);
destroy_splaytree(preset->per_pixel_eqn_tree);
-
+
splay_traverse(free_per_frame_eqn, preset->per_frame_eqn_tree);
destroy_splaytree(preset->per_frame_eqn_tree);
-
+
splay_traverse(free_param, preset->user_param_tree);
destroy_splaytree(preset->user_param_tree);
-
+
splay_traverse(free_custom_wave, preset->custom_wave_tree);
destroy_splaytree(preset->custom_wave_tree);
splay_traverse(free_custom_shape, preset->custom_shape_tree);
destroy_splaytree(preset->custom_shape_tree);
- free(preset);
-
+ free(preset);
+
return SUCCESS;
}
void reloadPerPixel(char *s, preset_t * preset) {
-
+
FILE * fs;
int slen;
char c;
/* Initialize preset struct */
if ((preset = (preset_t*)malloc(sizeof(preset_t))) == NULL)
return NULL;
-
+
/* Initialize equation trees */
preset->init_cond_tree = create_splaytree(compare_string, copy_string, free_string);
preset->user_param_tree = create_splaytree(compare_string, copy_string, free_string);
memset(preset->per_pixel_flag, 0, sizeof(int)*NUM_OPS);
- /* Copy file path */
+ /* Copy file path */
strncpy(preset->file_path, pathname, MAX_PATH_SIZE-1);
-
+
/* Set initial index values */
preset->per_pixel_eqn_string_index = 0;
preset->per_frame_eqn_string_index = 0;
preset->per_frame_init_eqn_string_index = 0;
-
-
+
+
/* Clear string buffers */
memset(preset->per_pixel_eqn_string_buffer, 0, STRING_BUFFER_SIZE);
memset(preset->per_frame_eqn_string_buffer, 0, STRING_BUFFER_SIZE);
memset(preset->per_frame_init_eqn_string_buffer, 0, STRING_BUFFER_SIZE);
-
-
+
+
if (load_preset_file(pathname, preset) < 0) {
- if (PRESET_DEBUG) printf("load_preset: failed to load file \"%s\"\n", pathname);
- close_preset(preset);
- return NULL;
+ if (PRESET_DEBUG) printf("load_preset: failed to load file \"%s\"\n", pathname);
+ close_preset(preset);
+ return NULL;
}
/* It's kind of ugly to reset these values here. Should definitely be placed in the parser somewhere */
if (filename == NULL)
return;
-
+
/* Open the file corresponding to pathname */
if ((fs = utf8_fopen(filename, "w+")) == 0) {
if (PRESET_DEBUG) printf("savePreset: failed to create filename \"%s\"!\n", filename);
- return;
+ return;
}
write_stream = fs;
splay_traverse(write_init, active_preset->init_cond_tree);
-
+
return SUCCESS;
}
if (init_cond->param->type == P_TYPE_BOOL)
sprintf(s, "%s=%d\n", init_cond->param->name, init_cond->init_val.bool_val);
- else if (init_cond->param->type == P_TYPE_INT)
+ else if (init_cond->param->type == P_TYPE_INT)
sprintf(s, "%s=%d\n", init_cond->param->name, init_cond->init_val.int_val);
else if (init_cond->param->type == P_TYPE_DOUBLE)
return FAILURE;
if (active_preset == NULL)
return FAILURE;
-
+
len = strlen(active_preset->per_frame_init_eqn_string_buffer);
if (fwrite(active_preset->per_frame_init_eqn_string_buffer, 1, len, fs) != len)
/* If initial condition was not defined by the preset file, force a default one
with the following code */
if ((init_cond = splay_find(param->name, active_preset->init_cond_tree)) == NULL) {
-
+
/* Make sure initial condition does not exist in the set of per frame initial equations */
if ((init_cond = splay_find(param->name, active_preset->per_frame_init_eqn_tree)) != NULL)
return;
-
+
if (param->type == P_TYPE_BOOL)
init_val.bool_val = 0;
-
+
else if (param->type == P_TYPE_INT)
init_val.int_val = *(int*)param->engine_val;
/* Create new initial condition */
if ((init_cond = new_init_cond(param, init_val)) == NULL)
return;
-
+
/* Insert the initial condition into this presets tree */
if (splay_insert(init_cond, init_cond->param->name, active_preset->init_cond_tree) < 0) {
free_init_cond(init_cond);
return;
}
-
+
}
}
projects / vlc / blobdiff