Pixel-Composer/scripts/node_cache_array/node_cache_array.gml

function Node_Cache_Array(_x, _y, _group = noone) : __Node_Cache(_x, _y, _group) constructor {
	name	  = "Cache Array";
	use_cache = CACHE_USE.manual;
	
	inputs[| 0] = nodeValue("Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
	
	inputs[| 1] = nodeValue("Start frame", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, -1, "Frame index to start caching, set to -1 to start at the first frame.");
	
	inputs[| 2] = nodeValue("Stop frame", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, -1, "Frame index to stop caching (inclusive), set to -1 to stop at the last frame.");
	
	inputs[| 3] = nodeValue("Step", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 1, "Cache every N frames, set to 1 to cache every frame.");
	
	outputs[| 0] = nodeValue("Cache array", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, []);
	
	input_display_list = [
		["Output",  true], 0, 
		["Range",  false], 1, 2, 3,
	];
	
	cache_loading			= false;
	cache_content			= "";
	cache_loading_progress	= 0;
	
	insp2UpdateTooltip = "Clear cache";
	insp2UpdateIcon    = [ THEME.cache, 0, COLORS._main_icon ];
	
	static onInspector2Update = function() { clearCache(); }
	
	static step = function() { #region
		if(!cache_loading) return;
		
		var _content = cache_content[cache_loading_progress];
			
		cached_output[cache_loading_progress] = __surface_array_deserialize(_content);
		cache_result[cache_loading_progress]  = true;
		cache_loading_progress++;
			
		if(cache_loading_progress == array_length(cache_content)) {
			cache_loading = false;
			update();
		}
	} #endregion
	
	static update = function() { #region
		var ss  = [];
		var str = getInputData(1);
		var lst = getInputData(2);
		var stp = getInputData(3);
		
		if(str < 0) str = 1;
		if(lst < 0) lst = TOTAL_FRAMES;
		
		str -= 1;
		lst -= 1;
		
		if(CURRENT_FRAME < str) return;
		if(CURRENT_FRAME > lst) return;
		
		cacheCurrentFrame(getInputData(0));
		
		if(lst > str && stp > 0) 
		for( var i = str; i <= lst; i += stp )
			if(cacheExist(i)) array_push(ss, cached_output[i]);
		
		outputs[| 0].setValue(ss);
		
		disableNodeGroup();
	} #endregion
	
	static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) { #region
		if(cache_loading) draw_sprite_ui(THEME.loading, 0, xx + w * _s / 2, yy + h * _s / 2, _s, _s, current_time / 2, COLORS._main_icon, 1);
	} #endregion
	
	static doSerialize = function(_map) { #region
		_map.cache = surface_array_serialize(cached_output);
	} #endregion
	
	static postDeserialize = function() { #region
		if(!struct_has(load_map, "cache")) return;
		cache_content			= json_try_parse(load_map.cache);
		cache_loading_progress  = 0;
		cache_loading			= true;
	} #endregion
}