Pixel-Composer/scripts/node_VFX_spawner/node_VFX_spawner.gml
2023-06-13 14:42:06 +02:00

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function Node_VFX_Spawner(_x, _y, _group = noone) : Node_VFX_Spawner_Base(_x, _y, _group) constructor {
name = "Spawner";
color = COLORS.node_blend_vfx;
icon = THEME.vfx;
attributes.Output_pool = false;
inputs[| input_len + 0] = nodeValue("Spawn trigger", self, JUNCTION_CONNECT.input, VALUE_TYPE.node, false)
.setVisible(true, true);
inputs[| input_len + 1] = nodeValue("Step interval", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 1, "How often the 'on step' event is triggered.\nWith 1 being trigger every frame, 2 means triggered once every 2 frames.");
outputs[| 0] = nodeValue("Particles", self, JUNCTION_CONNECT.output, VALUE_TYPE.particle, [] );
outputs[| 1] = nodeValue("On create", self, JUNCTION_CONNECT.output, VALUE_TYPE.node, noone );
outputs[| 2] = nodeValue("On step", self, JUNCTION_CONNECT.output, VALUE_TYPE.node, noone );
outputs[| 3] = nodeValue("On destroy", self, JUNCTION_CONNECT.output, VALUE_TYPE.node, noone );
array_insert(input_display_list, 0, ["Trigger", true], input_len + 0, input_len + 1);
UPDATE_PART_FORWARD
static onUpdate = function() {
RETURN_ON_REST
if(ANIMATOR.current_frame == 0)
reset();
runVFX(ANIMATOR.current_frame);
if(attributes.Output_pool) {
outputs[| 0].setValue(parts);
return;
} else {
var _parts = [];
for( var i = 0; i < array_length(parts); i++ ) {
if(!parts[i].active) continue;
array_push(_parts, parts[i]);
}
outputs[| 0].setValue(_parts);
}
}
static onSpawn = function(_time, part) {
part.step_int = inputs[| input_len + 1].getValue(_time);
}
static onPartCreate = function(part) {
var vt = outputs[| 1];
if(ds_list_empty(vt.value_to)) return;
var pv = part.getPivot();
for( var i = 0; i < ds_list_size(inputs); i++ )
current_data[i] = inputs[| i].getValue();
for( var i = 0; i < ds_list_size(vt.value_to); i++ ) {
var _n = vt.value_to[| i];
if(_n.value_from != vt) continue;
_n.node.spawn(, pv);
}
}
static onPartStep = function(part) {
var vt = outputs[| 2];
if(ds_list_empty(vt.value_to)) return;
var pv = part.getPivot();
for( var i = 0; i < ds_list_size(inputs); i++ )
current_data[i] = inputs[| i].getValue();
for( var i = 0; i < ds_list_size(vt.value_to); i++ ) {
var _n = vt.value_to[| i];
if(_n.value_from != vt) continue;
_n.node.spawn(, pv);
}
}
static onPartDestroy = function(part) {
var vt = outputs[| 3];
if(ds_list_empty(vt.value_to)) return;
var pv = part.getPivot();
for( var i = 0; i < ds_list_size(inputs); i++ )
current_data[i] = inputs[| i].getValue();
for( var i = 0; i < ds_list_size(vt.value_to); i++ ) {
var _n = vt.value_to[| i];
if(_n.value_from != vt) continue;
_n.node.spawn(, pv);
}
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var spr = inputs[| 0].getValue();
if(spr == 0) {
if(!is_surface(def_surface))
return;
spr = def_surface;
}
if(is_array(spr))
spr = spr[safe_mod(round(current_time / 100), array_length(spr))];
var cx = xx + w * _s / 2;
var cy = yy + h * _s / 2;
var ss = min((w - 8) / surface_get_width(spr), (h - 8) / surface_get_height(spr)) * _s;
draw_surface_align(spr, cx, cy, ss, fa_center, fa_center);
}
}