725 lines
18 KiB
JavaScript
725 lines
18 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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impl: {
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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.pos = obj.pos.scale(pct);
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});
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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.pos;
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obj.pos = [-rp.x, rp.y].add(this.worldpos());
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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.pos;
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obj.pos = [rp.x, -rp.y].add(this.worldpos());
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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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this.set_worldpos(x); return;
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this.set_worldpos(Vector.rotate(x,Math.deg2rad(this.level.angle)).add(this.level.worldpos()));
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},
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get pos() {
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var offset = this.worldpos().sub(this.level.worldpos());
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return Vector.rotate(offset, -Math.deg2rad(this.level.angle));
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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() {
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if (!(this.phys === Physics.dynamic))
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return this.__proto__.mass;
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return q_body(5, this.body);
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},
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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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worldpos() { return q_body(1,this.body); },
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set_worldpos(x) {
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var diff = x.sub(this.worldpos());
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this.objects.forEach(function(x) { x.set_worldpos(x.worldpos().add(diff)); });
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set_body(2,this.body,x);
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},
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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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pulse(vec) { set_body(4, this.body, vec);},
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shove(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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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) {
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Log.warn("Failed to make UR from " + ur);
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return undefined;
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}
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var go = ur.make(this);
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return go;
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},
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reparent(parent) {
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if (this.level === parent)
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this.level.remove_obj(this);
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var name = parent.objects.push(this);
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this.toString = function() { return name; };
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if (this.level)
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this.level.objects.remove(this);
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this.level = parent;
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},
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remove_obj(obj) {
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delete this[obj.toString()];
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this.objects.remove(obj);
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},
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},
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draw_layer: 1,
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components: [],
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objects: [],
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level: undefined,
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hide() { this.components.forEach(function(x) { x.hide(); }); this.objects.forEach(function(x) { x.hide(); }); },
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show() { this.components.forEach(function(x) { x.show(); }); this.objects.forEach(function(x) { x.show(); }); },
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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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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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/* Make a unique object the same as its prototype */
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revert() {
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Object.totalmerge(this,this.__proto__);
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},
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check_registers(obj) {
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Register.unregister_obj(obj);
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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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pos: [0,0],
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angle:0,
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phys:1,
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flipx:false,
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flipy:false,
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scale:1,
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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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save:true,
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selectable:true,
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ed_locked:false,
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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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/* 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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for (var key in this.objects)
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boxes.push(this.objects[key].boundingbox());
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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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diff(from, to) {
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var ret = {};
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for (var key in from) {
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if (!Object.hasOwn(from, key) && !Object.isAccessor(from,key)) continue;
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if (typeof from[key] === 'undefined' || typeof to[key] === 'undefined') continue;
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if (typeof from[key] === 'function') continue;
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// if (typeof to === 'object' && !(key in to)) continue;
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if (Array.isArray(from[key])) {
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if (!Array.isArray(to[key]))
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ret[key] = Object.values(gameobject.diff(from[key], []));
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if (from[key].length !== to[key].length)
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ret[key] = Object.values(gameobject.diff(from[key], []));
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var diff = gameobject.diff(from[key], to[key]);
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if (diff && !diff.empty)
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ret[key] = Object.values(diff);
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continue;
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}
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if (typeof from[key] === 'object') {
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var diff = gameobject.diff(from[key], to[key]);
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if (diff && !diff.empty)
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ret[key] = diff;
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continue;
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}
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if (typeof from[key] === 'number') {
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var a = Number.prec(from[key]);
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if (a !== to[key])
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ret[key] = a;
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continue;
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}
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if (from[key] !== to[key])
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ret[key] = from[key];
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}
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if (ret.empty) return undefined;
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return ret;
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},
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json_obj() {
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var ur = gameobject.diff(this,this.__proto__);
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return ur ? ur : {};
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},
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transform_obj() {
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var t = this.json_obj();
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Object.assign(t, this.transform());
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return t;
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},
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level_obj() {
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var json = this.json_obj();
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var objects = {};
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this.__proto__.objects ??= {};
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if (!Object.keys(this.objects).equal(Object.keys(this.__proto__.objects))) {
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for (var o in this.objects) {
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objects[o] = this.objects[o].transform_obj();
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objects[o].ur = this.objects[o].ur.toString();
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}
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} else {
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for (var o in this.objects) {
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var obj = this.objects[o].json_obj();
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Object.assign(obj, gameobject.diff(this.objects[o].transform(), this.__proto__.objects[o]));
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if (!obj.empty)
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objects[o] = obj;
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}
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}
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if (!objects.empty)
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json.objects = objects;
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return json;
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},
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ur_obj() {
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var ur = this.json_obj();
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for (var k in ur)
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if (ur[k].ur)
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delete ur[k];
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return ur;
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},
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make_ur() {
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var thisur = this.json_obj();
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thisur.pos = this.pos;
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thisur.angle = this.angle;
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return thisur;
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},
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transform() {
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var t = {};
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t.pos = this.pos.map(Number.prec);
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t.angle = Number.prec(this.angle);
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return t;
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},
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phys_obj() {
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var phys = {};
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phys.velocity = this.velocity.map(Number.prec);
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phys.angularvelocity = Number.prec(this.angularvelocity);
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return phys;
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},
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dup(diff) {
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var n = this.level.spawn(this.__proto__);
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Object.totalmerge(n, this.make_ur());
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return n;
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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.remove_obj(this);
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Player.uncontrol(this);
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Register.unregister_obj(this);
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this.instances.remove(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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for (var key in this.objects)
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this.objects[key].kill();
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if (typeof this.stop === 'function')
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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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instances: [],
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make(level) {
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level ??= Primum;
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var obj = Object.create(this);
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this.instances.push(obj);
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obj.body = make_gameobject();
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obj.components = {};
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obj.objects = {};
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Object.complete_assign(obj, gameobject.impl);
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Object.hide(obj, 'components');
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Object.hide(obj, 'objects');
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obj.toJSON = gameobject.level_json;
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Game.register_obj(obj);
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cmd(113, obj.body, obj); // set the internal obj reference to this obj
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obj.reparent(level);
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for (var prop in this) {
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var p = this[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.rename_obj(obj[prop].toString(), prop);
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} else if ('comp' in p) {
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Log.warn(p);
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obj[prop] = Object.assign(component[p.comp].make(obj), p);
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obj.components[prop] = obj[prop];
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}
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};
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if (this.objects) {
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for (var prop in this.objects) {
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Log.warn(this.objects[prop]);
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continue;
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var o = this.objects[prop];
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var newobj = obj.spawn(prototypes.get_ur(o.ur));
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if (!newobj) continue;
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obj.rename_obj(newobj.toString(), prop);
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}
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}
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for (var p in this.impl) {
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if (Object.isAccessor(this.impl, p))
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obj[p] = this[p];
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}
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obj.components.forEach(function(x) { if ('sync' in x) x.sync(); });
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gameobject.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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rename_obj(name, newname) {
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if (!this.objects[name]) {
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Log.warn(`No object with name ${name}. Could not rename to ${newname}.`);
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return;
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}
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if (this.objects[newname]) {
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Log.warn(`Already an object with name ${newname}.`);
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return;
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}
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Log.warn(`Renaming from ${name} to ${newname}.`);
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this.objects[newname] = this.objects[name];
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delete this.objects[name];
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return this.objects[newname];
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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.impl.spawn.doc = `Spawn an entity of type 'ur' on this entity. Returns the spawned 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 disk. If the ur doesn't exist, it searches on the disk to create it. */
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prototypes.from_file = function(file)
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{
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var urpath = file;
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var path = urpath.split('.');
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if (path.length > 1 && (path.at(-1) === path.at(-2))) {
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urpath = path.slice(0,-1).join('.');
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return prototypes.get_ur(urpath);
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}
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var upperur = gameobject;
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if (path.length > 1) {
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var upperpath = path.slice(0,-1);
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upperur = prototypes.get_ur(upperpath.join('/'));
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if (!upperur) {
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Log.error(`Attempted to create an UR ${urpath}, but ${upperpath} is not a defined UR.`);
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return undefined;
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}
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}
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|
var newur = {};//Object.create(upperur);
|
|
|
|
file = file.replaceAll('.','/');
|
|
|
|
var jsfile = prototypes.get_ur_file(urpath, ".js");
|
|
var jsonfile = prototypes.get_ur_file(urpath, ".json");
|
|
|
|
var script = undefined;
|
|
var json = undefined;
|
|
|
|
if (jsfile) script = IO.slurp(jsfile);
|
|
if (jsonfile) json = JSON.parse(IO.slurp(jsonfile));
|
|
|
|
if (!json && !script) {
|
|
Log.warn(`Could not make ur from ${file}`);
|
|
return undefined;
|
|
}
|
|
|
|
if (script)
|
|
compile_env(script, newur, file);
|
|
|
|
json ??= {};
|
|
Object.merge(newur,json);
|
|
|
|
for (var p in newur)
|
|
if (Object.isObject(newur[p]) && Object.isObject(upperur[p]))
|
|
newur[p].__proto__ = upperur[p];
|
|
|
|
newur.__proto__ = upperur;
|
|
newur.instances = [];
|
|
|
|
prototypes.list.push(urpath);
|
|
newur.toString = function() { return urpath; };
|
|
newur.ur = urpath;
|
|
ur[urpath] = newur;
|
|
|
|
return ur[urpath];
|
|
}
|
|
prototypes.from_file.doc = "Create a new ur-type from a given script file.";
|
|
prototypes.list = [];
|
|
|
|
prototypes.from_obj = function(name, obj)
|
|
{
|
|
var newur = Object.copy(gameobject, obj);
|
|
prototypes.ur[name] = newur;
|
|
newur.toString = function() { return name; };
|
|
return prototypes.ur[name];
|
|
}
|
|
|
|
prototypes.list_ur = function()
|
|
{
|
|
var list = [];
|
|
function list_obj(obj, prefix)
|
|
{
|
|
prefix ??= "";
|
|
var list = [];
|
|
for (var e in obj) {
|
|
list.push(prefix + e);
|
|
list.concat(list_obj(obj[e], e + "."));
|
|
}
|
|
|
|
return list;
|
|
}
|
|
|
|
return list_obj(ur);
|
|
}
|
|
|
|
prototypes.ur2file = function(urpath)
|
|
{
|
|
return urpath.replaceAll('.', '/');
|
|
}
|
|
|
|
prototypes.file2ur = function(file)
|
|
{
|
|
file = file.strip_ext();
|
|
file = file.replaceAll('/','.');
|
|
return file;
|
|
}
|
|
|
|
/* Returns an ur, or makes it, for any given type of path
|
|
could be a file on a disk like ball/big.js
|
|
could be an ur path like ball.big
|
|
*/
|
|
prototypes.get_ur = function(name)
|
|
{
|
|
if (!name) {
|
|
Log.warn(`Can't get ur from an undefined.`);
|
|
return;
|
|
}
|
|
var urpath = name;
|
|
if (urpath.includes('/'))
|
|
urpath = prototypes.file2ur(name);
|
|
|
|
if (!prototypes.ur[urpath]) {
|
|
var ur = prototypes.from_file(urpath);
|
|
if (ur)
|
|
return ur;
|
|
else {
|
|
Log.warn(`Could not find prototype using name ${name}.`);
|
|
return undefined;
|
|
}
|
|
} else
|
|
return prototypes.ur[urpath];
|
|
}
|
|
|
|
prototypes.get_ur_file = function(path, ext)
|
|
{
|
|
var urpath = prototypes.ur2file(path);
|
|
var file = urpath + ext;
|
|
if (IO.exists(file)) return file;
|
|
file = urpath + "/" + path.split('.').at(-1) + ext;
|
|
if (IO.exists(file)) return file;
|
|
return undefined;
|
|
}
|
|
|
|
prototypes.generate_ur = function(path)
|
|
{
|
|
var ob = IO.glob("**.js");
|
|
ob = ob.concat(IO.glob("**.json"));
|
|
ob = ob.filter(function(path) { return path !== "game.js" && path !== "play.js" });
|
|
ob = ob.map(function(path) { return path.set_ext(""); });
|
|
ob.forEach(function(name) { prototypes.get_ur(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", {});
|
|
|
|
prototypes.resavi = function(ur, path)
|
|
{
|
|
if (!ur) return path;
|
|
if (path[0] === '/') return path;
|
|
|
|
var res = ur.replaceAll('.', '/');
|
|
var dir = path.dir();
|
|
if (res.startsWith(dir))
|
|
return path.base();
|
|
|
|
return path;
|
|
}
|
|
|
|
prototypes.resani = function(ur, path)
|
|
{
|
|
if (!path) return "";
|
|
Log.warn(`Sanitizing ${path} from ${ur}`);
|
|
if (!ur) return path;
|
|
if (path[0] === '/') return path.slice(1);
|
|
|
|
var res = ur.replaceAll('.', '/');
|
|
var restry = res + "/" + path;
|
|
while (!IO.exists(restry)) {
|
|
res = res.updir() + "/";
|
|
if (res === "/")
|
|
return path;
|
|
|
|
restry = res + path;
|
|
}
|
|
return restry;
|
|
}
|
|
|