588 lines
14 KiB
JavaScript
588 lines
14 KiB
JavaScript
function grab_from_points(pos, points, slop) {
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var shortest = slop;
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var idx = -1;
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points.forEach(function(x,i) {
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if (Vector.length(pos.sub(x)) < shortest) {
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shortest = Vector.length(pos.sub(x));
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idx = i;
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}
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});
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return idx;
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};
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var gameobject = {
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save: true,
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selectable: true,
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ed_locked: false,
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layer_nuke() {
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Nuke.label("Collision layer");
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Nuke.newline(Collision.num);
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for (var i = 0; i < Collision.num; i++)
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this.layer = Nuke.radio(i, this.layer, i);
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},
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draw_layer: 1,
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draw_layer_nuke() {
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Nuke.label("Draw layer");
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Nuke.newline(5);
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for (var i = 0; i < 5; i++)
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this.draw_layer = Nuke.radio(i, this.draw_layer, i);
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},
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_visible: true,
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get visible(){ return this._visible; },
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set visible(x) {
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this._visible = x;
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for (var key in this.components) {
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if ('visible' in this.components[key]) {
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this.components[key].visible = x;
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}
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}
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for (var key in this.$)
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this.$[key].visible = x;
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},
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phys_nuke() {
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Nuke.newline(1);
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Nuke.label("phys");
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Nuke.newline(3);
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this.phys = Nuke.radio("dynamic", this.phys, 0);
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this.phys = Nuke.radio("kinematic", this.phys, 1);
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this.phys = Nuke.radio("static", this.phys, 2);
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},
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set_center(pos) {
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var change = pos.sub(this.pos);
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this.pos = pos;
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for (var key in this.components) {
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this.components[key].finish_center(change);
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}
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},
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set_relpos(x) {
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if (!this.level) {
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this.pos = x;
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return;
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}
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this.pos = Vector.rotate(x, Math.deg2rad(this.level.angle)).add(this.level.pos);
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},
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get_relpos() {
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if (!this.level) return this.pos;
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var offset = this.pos.sub(this.level.pos);
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return Vector.rotate(offset, -Math.deg2rad(this.level.angle));
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},
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get_relangle() {
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if (!this.level) return this.angle;
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return this.angle - this.level.angle;
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},
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gizmo: "", /* Path to an image to draw for this gameobject */
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width() {
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var bb = this.boundingbox();
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return bb.r - bb.l;
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},
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height() {
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var bb = this.boundingbox();
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return bb.t-bb.b;
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},
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save_obj() {
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var json = JSON.stringify(this);
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if (!json) return {};
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var o = JSON.parse(json);
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delete o.pos;
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delete o.angle;
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return o;
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},
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/* Make a unique object the same as its prototype */
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revert() {
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var save = this.save_obj();
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for (var key in save)
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this[key] = this.ur[key];
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},
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gui() {
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var go_guis = walk_up_get_prop(this, 'go_gui');
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Nuke.newline();
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go_guis.forEach(function(x) { x.call(this); }, this);
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for (var key in this) {
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if (typeof this[key] === 'object' && 'gui' in this[key]) this[key].gui();
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}
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},
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check_registers(obj) {
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Register.unregister_obj(this);
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if (typeof obj.update === 'function')
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Register.update.register(obj.update, obj);
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if (typeof obj.physupdate === 'function')
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Register.physupdate.register(obj.physupdate, obj);
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if (typeof obj.collide === 'function')
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obj.register_hit(obj.collide, obj);
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if (typeof obj.separate === 'function')
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obj.register_separate(obj.separate, obj);
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if (typeof obj.draw === 'function')
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Register.draw.register(obj.draw,obj);
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if (typeof obj.debug === 'function')
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Register.debug.register(obj.debug, obj);
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obj.components.forEach(function(x) {
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if (typeof x.collide === 'function')
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register_collide(1, x.collide, x, obj.body, x.shape);
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});
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},
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instances: [],
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get scale() { return cmd(103, this.body); },
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set scale(x) {
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var pct = x/this.scale;
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cmd(36, this.body, x);
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this.objects.forEach(function(obj) {
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obj.scale *= pct;
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obj.set_relpos(obj.get_relpos().scale(pct));
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}, this);
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},
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get flipx() { return cmd(104,this.body); },
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set flipx(x) {
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cmd(55, this.body, x);
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return;
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this.objects.forEach(function(obj) {
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obj.flipx = !obj.flipx;
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var rp = obj.get_relpos();
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obj.pos = [-rp.x, rp.y].add(this.pos);
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obj.angle = -obj.angle;
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},this);
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},
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get flipy() { return cmd(105,this.body); },
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set flipy(x) {
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cmd(56, this.body, x);
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return;
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this.objects.forEach(function(obj) {
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var rp = obj.get_relpos();
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obj.pos = [rp.x, -rp.y].add(this.pos);
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obj.angle = -obj.angle;
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},this);
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},
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set pos(x) {
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var diff = x.sub(this.pos);
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this.objects.forEach(function(x) { x.pos = x.pos.add(diff); });
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set_body(2,this.body,x); },
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get pos() { return q_body(1,this.body); },
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get angle() { return Math.rad2deg(q_body(2,this.body))%360; },
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set angle(x) {
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var diff = x - this.angle;
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this.objects.forEach(function(x) {
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x.angle = x.angle + diff;
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var pos = x.pos.sub(this.pos);
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var r = Vector.length(pos);
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var p = Math.rad2deg(Math.atan2(pos.y, pos.x));
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p += diff;
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p = Math.deg2rad(p);
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x.pos = this.pos.add([r*Math.cos(p), r*Math.sin(p)]);
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}, this);
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set_body(0,this.body, Math.deg2rad(x));
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},
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get elasticity() { return cmd(107,this.body); },
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set elasticity(x) { cmd(106,this.body,x); },
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get friction() { return cmd(109,this.body); },
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set friction(x) { cmd(108,this.body,x); },
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set mass(x) { set_body(7,this.body,x); },
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get mass() { return q_body(5, this.body); },
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set phys(x) { set_body(1, this.body, x); },
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get phys() { return q_body(0,this.body); },
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get velocity() { return q_body(3, this.body); },
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set velocity(x) { set_body(9, this.body, x); },
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get angularvelocity() { return Math.rad2deg(q_body(4, this.body)); },
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set angularvelocity(x) { set_body(8, this.body, Math.deg2rad(x)); },
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pulse(vec) { set_body(4, this.body, vec);},
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push(vec) { set_body(12,this.body,vec);},
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world2this(pos) { return cmd(70, this.body, pos); },
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this2world(pos) { return cmd(71, this.body,pos); },
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set layer(x) { cmd(75,this.body,x); },
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get layer() { return 0; },
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alive() { return this.body >= 0; },
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in_air() { return q_body(7, this.body);},
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on_ground() { return !this.in_air(); },
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disable() { this.components.forEach(function(x) { x.disable(); });},
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enable() { this.components.forEach(function(x) { x.enable(); });},
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sync() { },
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spawn(ur) {
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if (typeof ur === 'string')
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ur = prototypes.get_ur(ur);
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if (!ur) Log.warn("Failed to make UR from " + ur);
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return gameobject.make(ur, this);
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},
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/* Bounding box of the object in world dimensions */
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boundingbox() {
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var boxes = [];
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boxes.push({t:0, r:0,b:0,l:0});
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for (var key in this.components) {
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if ('boundingbox' in this.components[key])
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boxes.push(this.components[key].boundingbox());
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}
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if (boxes.empty) return cwh2bb([0,0], [0,0]);
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var bb = boxes[0];
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boxes.forEach(function(x) {
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bb = bb_expand(bb, x);
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});
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var cwh = bb2cwh(bb);
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if (!bb) return;
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if (this.flipx) cwh.c.x *= -1;
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if (this.flipy) cwh.c.y *= -1;
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cwh.c = cwh.c.add(this.pos);
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bb = cwh2bb(cwh.c, cwh.wh);
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return bb ? bb : cwh2bb([0,0], [0,0]);
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},
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dup(diff) {
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var dup = Primum.spawn(this.__proto__);
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Object.assign(dup, this);
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return dup;
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},
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kill() {
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if (this.body === -1) {
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Log.warn(`Object is already dead!`);
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return;
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}
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Register.endofloop(() => {
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cmd(2, this.body);
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delete Game.objects[this.body];
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// if (this.level)
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// this.level.unregister(this);
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Player.uncontrol(this);
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this.instances.remove(this);
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Register.unregister_obj(this);
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// Signal.clear_obj(this);
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this.body = -1;
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for (var key in this.components) {
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Register.unregister_obj(this.components[key]);
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this.components[key].kill();
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}
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this.objects.forEach(x => x.kill());
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this.stop();
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});
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},
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up() { return [0,1].rotate(Math.deg2rad(this.angle));},
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// down() { return [0,-1].rotate(Math.deg2rad(this.angle));},
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// right() { return [1,0].rotate(Math.deg2rad(this.angle));},
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// left() { return [-1,0].rotate(Math.deg2rad(this.angle));},
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make(ur, level) {
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level ??= Primum;
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var obj = Object.create(gameobject);
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obj.defn('body', make_gameobject());
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obj.defn('components', {});
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Game.register_obj(obj);
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gameobject.make_parentable(obj);
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cmd(113, obj.body, obj); // set the internal obj reference to this obj
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obj.$ = {};
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obj.ur = ur;
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level.add_child(obj);
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for (var prop in ur) {
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var p = ur[prop];
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if (typeof p !== 'object') continue;
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if ('ur' in p) {
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obj[prop] = obj.spawn(prototypes.get_ur(p.ur));
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obj.$[prop] = obj[prop];
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} else if ('make' in p) {
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obj[prop] = p.make(obj.body);
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obj.components[prop] = obj[prop];
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} else if ('comp' in p) {
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obj[prop] = component[p.comp].make(obj.body);
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obj.components[prop] = obj[prop];
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}
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};
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Object.totalmerge(obj,ur);
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obj.check_registers(obj);
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if (typeof obj.start === 'function') obj.start();
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return obj;
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},
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register_hit(fn, obj) {
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if (!obj)
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obj = this;
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Signal.obj_begin(fn, obj, this);
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},
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register_separate(fn, obj) {
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if (!obj)
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obj = this;
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Signal.obj_separate(fn,obj,this);
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},
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}
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gameobject.toJSON = ur_json;
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gameobject.ur = {
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pos: [0,0],
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scale:1,
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flipx:false,
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flipy:false,
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angle:0,
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elasticity:0.5,
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friction:1,
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mass:1,
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velocity:[0,0],
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angularvelocity:0,
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layer: 0,
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};
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gameobject.make_parentable = function(obj) {
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var objects = [];
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Object.defHidden(obj, 'level');
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obj.remove_child = function(child) {
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objects.remove(child);
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}
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obj.add_child = function(child) {
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child.unparent();
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objects.push(child);
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child.level = obj;
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}
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/* Reparent this object to a new one */
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obj.reparent = function(parent) {
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if (parent === obj.level)
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return;
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parent.add_child(obj);
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obj.level = parent;
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}
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obj.unparent = function() {
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if (!obj.level) return;
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obj.level.remove_child(obj);
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obj.parent = undefined;
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}
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obj.objects = objects;
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}
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gameobject.entity = {};
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/* Default objects */
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var prototypes = {};
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prototypes.ur = {};
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prototypes.load_all = function()
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{
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if (IO.exists("proto.json"))
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prototypes = JSON.parse(IO.slurp("proto.json"));
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for (var key in prototypes) {
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if (key in gameobjects)
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Object.dainty_assign(gameobjects[key], prototypes[key]);
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else {
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/* Create this gameobject fresh */
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Log.info("Making new prototype: " + key + " from " + prototypes[key].from);
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var newproto = gameobjects[prototypes[key].from].clone(key);
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gameobjects[key] = newproto;
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for (var pkey in newproto)
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if (typeof newproto[pkey] === 'object' && newproto[pkey] && 'clone' in newproto[pkey])
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newproto[pkey] = newproto[pkey].clone();
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Object.dainty_assign(gameobjects[key], prototypes[key]);
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}
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}
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}
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prototypes.save_gameobjects = function() { slurpwrite(JSON.stringify(gameobjects,null,2), "proto.json"); };
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/* Makes a new ur-type from a file. The file can define components. */
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prototypes.from_file = function(file)
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{
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if (!IO.exists(file)) {
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Log.error(`File ${file} does not exist.`);
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return;
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}
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var newur = Object.create(gameobject.ur);
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newur.$ = {};
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var script = IO.slurp(file);
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var json = {};
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if (IO.exists(file.name() + ".json")) {
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var json = JSON.parse(IO.slurp(file.name() + ".json"));
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Object.assign(newur.$, json.$);
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delete json.$;
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}
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compile_env(script, newur, file);
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Object.merge(newur,json);
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file = file.replaceAll('/', '.');
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var path = file.name().split('.');
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var nested_access = function(base, names) {
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for (var i = 0; i < names.length; i++)
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base = base[names[i]] = base[names[i]] || {};
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return base;
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};
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var instances = [];
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var tag = file.name();
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prototypes.list.push(tag);
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newur.toString = function() { return tag; };
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ur[path] = nested_access(ur,path);
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Object.assign(ur[path], newur);
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nested_access(ur,path).__proto__ = newur.__proto__;
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return ur[path];
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}
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prototypes.from_file.doc = "Create a new ur-type from a given script file.";
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prototypes.list = [];
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prototypes.from_obj = function(name, obj)
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{
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var newobj = Object.copy(gameobject.ur, obj);
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prototypes.ur[name] = newobj;
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newobj.toString = function() { return name; };
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return prototypes.ur[name];
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}
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prototypes.load_config = function(name)
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{
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if (!prototypes.ur[name])
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prototypes.ur[name] = gameobject.clone(name);
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Log.warn(`Made new ur of name ${name}`);
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return prototypes.ur[name];
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}
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prototypes.list_ur = function()
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{
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var list = [];
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function list_obj(obj, prefix)
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{
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prefix ??= "";
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var list = [];
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for (var e in obj) {
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list.push(prefix + e);
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Log.warn("Descending into " + e);
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list.concat(list_obj(obj[e], e + "."));
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}
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return list;
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}
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return list_obj(ur);
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}
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prototypes.get_ur = function(name)
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{
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if (!prototypes.ur[name]) {
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if (IO.exists(name + ".js"))
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prototypes.from_file(name + ".js");
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prototypes.load_config(name);
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return prototypes.ur[name];
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} else
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return prototypes.ur[name];
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}
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prototypes.generate_ur = function(path)
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{
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var ob = IO.glob("**.js");
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ob = ob.filter(function(str) { return !str.startsWith("scripts"); });
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ob.forEach(function(name) {
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|
if (name === "game.js") return;
|
|
if (name === "play.js") return;
|
|
|
|
prototypes.from_file(name);
|
|
});
|
|
}
|
|
|
|
var ur = prototypes.ur;
|
|
|
|
prototypes.from_obj("camera2d", {
|
|
phys: Physics.kinematic,
|
|
speed: 300,
|
|
|
|
get zoom() { return cmd(135); },
|
|
set zoom(x) {
|
|
x = Math.clamp(x,0.1,10);
|
|
cmd(62, x);
|
|
},
|
|
|
|
speedmult: 1.0,
|
|
|
|
selectable: false,
|
|
|
|
world2this(pos) { return cmd(70, this.body, pos); },
|
|
this2world(pos) { return cmd(71, this.body,pos); },
|
|
|
|
view2world(pos) {
|
|
return cmd(137,pos);
|
|
},
|
|
|
|
world2view(pos) {
|
|
return cmd(136,pos);
|
|
},
|
|
});
|
|
|
|
prototypes.from_obj("arena", {});
|