prosperon/scripts/components.js
2024-09-30 10:14:56 -05:00

898 lines
23 KiB
JavaScript

var component = {};
var make_point_obj = function (o, p) {
return {
pos: p,
move(d) {
d = o.gameobject.dir_world2this(d);
p.x += d.x;
p.y += d.y;
},
sync: o.sync.bind(o),
};
};
var fullrect = [0, 0, 1, 1];
var sprite_addbucket = function (sprite) {
var layer = 1000000 + sprite.gameobject.drawlayer * 1000 - sprite.gameobject.pos.y;
sprite_buckets[layer] ??= {};
sprite_buckets[layer][sprite.path] ??= [];
sprite_buckets[layer][sprite.path].push(sprite);
sprite._oldlayer = layer;
sprite._oldpath = sprite.path;
};
var sprite_rmbucket = function (sprite) {
if (sprite._oldlayer && sprite._oldpath) sprite_buckets[sprite._oldlayer][sprite._oldpath].remove(sprite);
else for (var layer of Object.values(sprite_buckets)) for (var path of Object.values(layer)) path.remove(sprite);
};
var sprite = {
loop: true,
rect: fullrect,
anim: {},
playing: 0,
anim_speed: 1,
play(str = 0, fn, loop = true, reverse = false) {
this.del_anim?.();
var self = this;
var stop;
self.del_anim = function () {
self.del_anim = undefined;
self = undefined;
advance = undefined;
stop?.();
};
var playing = self.anim[str];
if (!playing) return;
var f = 0;
if (reverse) f = playing.frames.length - 1;
self.path = playing.path;
function advance(time) {
if (!self) return;
if (!self.gameobject) return;
self.frame = playing.frames[f].rect;
self.rect = [self.frame.x, self.frame.y, self.frame.w, self.frame.h];
self.update_dimensions();
var done = false;
if (reverse) {
f = (((f - 1) % playing.frames.length) + playing.frames.length) % playing.frames.length;
if (f === playing.frames.length - 1) done = true;
} else {
f = (f + 1) % playing.frames.length;
if (f === 0) done = true;
}
if (done) {
fn?.();
if (!loop) {
self?.stop();
return;
}
}
return playing.frames[f].time/self.anim_speed;
}
stop = self.gameobject.delay(advance, playing.frames[f].time/self.anim_speed);
advance();
},
tex_sync() {
if (this.anim) this.stop();
this.rect = fullrect;
var anim = SpriteAnim.make(this.path);
this.update_dimensions();
this.sync();
if (!anim) return;
this.anim = anim;
this.play();
this.pos = this.dimensions().scale(this.anchor);
},
stop() {
this.del_anim?.();
},
set path(p) {
p = Resources.find_image(p, this.gameobject._root);
if (!p) {
console.warn(`Could not find image ${p}.`);
return;
}
if (p === this.path) return;
this._p = p;
this.del_anim?.();
this.texture = game.texture(p);
this.diffuse = this.texture;
this.tex_sync();
},
get path() {
return this._p;
},
kill() {
sprite_rmbucket(this);
this.del_anim?.();
this.anim = undefined;
this.gameobject = undefined;
this.anim_done = undefined;
allsprites.remove(this);
},
move(d) {
this.pos = this.pos.add(d);
},
grow(x) {
this.scale = this.scale.scale(x);
this.pos = this.pos.scale(x);
},
anchor: [0, 0],
sync() {
var layer = 1000000 + this.gameobject.drawlayer * 1000 - this.gameobject.pos.y;
if (layer === this._oldlayer && this.path === this._oldpath) return;
sprite_rmbucket(this);
sprite_addbucket(this);
},
pick() {
return this;
},
boundingbox() {
var dim = this.dimensions();
dim = dim.scale(this.gameobject.scale);
var realpos = dim.scale(0.5).add(this.pos);
return bbox.fromcwh(realpos, dim);
},
update_dimensions() {
this._dimensions = [this.texture.width * this.rect[2], this.texture.height * this.rect[3]];
component.sprite_dim_hook?.(this);
},
dimensions() {
return this._dimensions;
},
width() {
return this.dimensions().x;
},
height() {
return this.dimensions().y;
},
};
globalThis.allsprites = [];
var sprite_buckets = [];
component.sprite_buckets = function () {
return sprite_buckets;
};
component.dynamic_sprites = [];
sprite.doc = {
path: "Path to the texture.",
color: "Color to mix with the sprite.",
pos: "The offset position of the sprite, relative to its entity.",
};
sprite.setanchor = function (anch) {
var off = [0, 0];
switch (anch) {
case "ll":
break;
case "lm":
off = [-0.5, 0];
break;
case "lr":
off = [-1, 0];
break;
case "ml":
off = [0, -0.5];
break;
case "mm":
off = [-0.5, -0.5];
break;
case "mr":
off = [-1, -0.5];
break;
case "ul":
off = [0, -1];
break;
case "um":
off = [-0.5, -1];
break;
case "ur":
off = [-1, -1];
break;
}
this.anchor = off;
this.pos = this.dimensions().scale(off);
};
sprite.inputs = {};
sprite.inputs.kp9 = function () {
this.setanchor("ll");
};
sprite.inputs.kp8 = function () {
this.setanchor("lm");
};
sprite.inputs.kp7 = function () {
this.setanchor("lr");
};
sprite.inputs.kp6 = function () {
this.setanchor("ml");
};
sprite.inputs.kp5 = function () {
this.setanchor("mm");
};
sprite.inputs.kp4 = function () {
this.setanchor("mr");
};
sprite.inputs.kp3 = function () {
this.setanchor("ur");
};
sprite.inputs.kp2 = function () {
this.setanchor("um");
};
sprite.inputs.kp1 = function () {
this.setanchor("ul");
};
component.sprite = function (obj) {
var sp = Object.create(sprite);
sp.gameobject = obj;
sp.transform = obj.transform;
sp.guid = prosperon.guid();
allsprites.push(sp);
if (component.sprite.make_hook) component.sprite.make_hook(sp);
sprite_addbucket(sp);
return sp;
};
sprite.shade = [1, 1, 1, 1];
Object.mixin(os.make_seg2d(), {
sync() {
this.set_endpoints(this.points[0], this.points[1]);
},
});
/* sprite anim returns a data structure for the given file path
frames: array of frames
rect: frame rectangle
time: miliseconds to hold the frame for
loop: true if it should be looped
*/
var animcache = {};
var SpriteAnim = {};
SpriteAnim.make = function (path) {
var anim;
if (io.exists(path.set_ext(".ase"))) anim = SpriteAnim.aseprite(path.set_ext(".ase"));
else if (io.exists(path.set_ext(".json"))) anim = SpriteAnim.aseprite(path.set_ext(".json"));
else if (path.ext() === "ase") anim = SpriteAnim.aseprite(path);
else if (path.ext() === "gif") anim = SpriteAnim.gif(path);
else anim = undefined;
animcache[path] = anim;
return animcache[path];
};
SpriteAnim.gif = function (path) {
var anim = {};
anim.frames = [];
anim.path = path;
var tex = game.texture(path);
var frames = tex.frames;
if (frames === 1) return undefined;
var yslice = 1 / frames;
for (var f = 0; f < frames; f++) {
var frame = {};
frame.rect = {
x: 0,
w: 1,
y: yslice * f,
h: yslice,
};
frame.time = 0.05;
anim.frames.push(frame);
}
var times = tex.delays;
for (var i = 0; i < frames; i++) anim.frames[i].time = times[i] / 1000;
anim.loop = true;
var dim = [tex.width, tex.height];
dim.y /= frames;
anim.dim = dim;
return { 0: anim };
};
SpriteAnim.strip = function (path, frames, time = 0.05) {
var anim = {};
anim.frames = [];
anim.path = path;
var xslice = 1 / frames;
for (var f = 0; f < frames; f++) {
var frame = {};
frame.rect = { s0: xslice * f, s1: xslice * (f + 1), t0: 0, t1: 1 };
frame.time = time;
anim.frames.push(frame);
}
anim.dim = Resources.texture.dimensions(path);
anim.dim.x /= frames;
return anim;
};
SpriteAnim.aseprite = function (path) {
function aseframeset2anim(frameset, meta) {
var anim = {};
anim.frames = [];
anim.path = path.folder() + meta.image;
var dim = meta.size;
var ase_make_frame = function (ase_frame) {
var f = ase_frame.frame;
var frame = {};
frame.rect = {
x: f.x / dim.w,
w: f.w / dim.w,
y: f.y / dim.h,
h: f.h / dim.h,
};
frame.time = ase_frame.duration / 1000;
anim.frames.push(frame);
};
frameset.forEach(ase_make_frame);
anim.dim = frameset[0].sourceSize;
anim.loop = true;
return anim;
}
var data = json.decode(io.slurp(path));
if (!data?.meta?.app.includes("aseprite")) return;
var anims = {};
var frames = Array.isArray(data.frames) ? data.frames : Object.values(data.frames);
var f = 0;
if (!data.meta.frameTags || data.meta.frameTags.length === 0) {
anims[0] = aseframeset2anim(frames, data.meta);
return anims;
}
for (var tag of data.meta.frameTags) {
anims[tag.name] = aseframeset2anim(frames.slice(tag.from, tag.to + 1), data.meta);
anims[f] = anims[tag.name];
f++;
}
return anims;
};
SpriteAnim.validate = function (anim) {
if (!Object.isObject(anim)) return false;
if (typeof anim.path !== "string") return false;
if (typeof anim.dim !== "object") return false;
return true;
};
SpriteAnim.find = function (path) {
if (!io.exists(path + ".asset")) return;
var asset = JSON.parse(io.slurp(path + ".asset"));
};
SpriteAnim.doc = "Functions to create Primum animations from varying sources.";
SpriteAnim.gif.doc = "Convert a gif.";
SpriteAnim.strip.doc = "Given a path and number of frames, converts a horizontal strip animation, where each cell is the same width.";
SpriteAnim.aseprite.doc = "Given an aseprite json metadata, returns an object of animations defined in the aseprite file.";
SpriteAnim.find.doc = "Given a path, find the relevant animation for the file.";
var collider2d = {};
collider2d.inputs = {};
collider2d.inputs["M-s"] = function () {
this.sensor = !this.sensor;
};
collider2d.inputs["M-s"].doc = "Toggle if this collider is a sensor.";
collider2d.inputs["M-t"] = function () {
this.enabled = !this.enabled;
};
collider2d.inputs["M-t"].doc = "Toggle if this collider is enabled.";
Object.mix(os.make_poly2d(), {
boundingbox() {
return bbox.frompoints(this.spoints());
},
/* EDITOR */
spoints() {
var spoints = this.points.slice();
if (this.flipx) {
spoints.forEach(function (x) {
var newpoint = x.slice();
newpoint.x = -newpoint.x;
spoints.push(newpoint);
});
}
if (this.flipy) {
spoints.forEach(function (x) {
var newpoint = x.slice();
newpoint.y = -newpoint.y;
spoints.push(newpoint);
});
}
return spoints;
},
gizmo() {
this.spoints().forEach(x => render.point(this.gameobject.this2screen(x), 3, Color.green));
this.points.forEach((x, i) => render.coordinate(this.gameobject.this2screen(x)));
},
pick(pos) {
if (!Object.hasOwn(this, "points")) this.points = deep_copy(this.__proto__.points);
var i = Gizmos.pick_gameobject_points(pos, this.gameobject, this.points);
var p = this.points[i];
if (p) return make_point_obj(this, p);
return undefined;
},
});
function pointscaler(x) {
if (typeof x === "number") return;
this.points = this.points.map(p => p.mult(x));
}
Object.mixin(os.make_poly2d(), {
sync() {
this.setverts(this.points);
},
grow: pointscaler,
});
var polyinputs = Object.create(collider2d.inputs);
os.make_poly2d().inputs = polyinputs;
polyinputs = {};
polyinputs.f10 = function () {
this.points = Math.sortpointsccw(this.points);
};
polyinputs.f10.doc = "Sort all points to be CCW order.";
polyinputs["C-lm"] = function () {
this.points.push(this.gameobject.world2this(input.mouse.worldpos()));
};
polyinputs["C-lm"].doc = "Add a point to location of mouse.";
polyinputs.lm = function () {};
polyinputs.lm.released = function () {};
polyinputs["C-M-lm"] = function () {
var idx = Math.grab_from_points(
input.mouse.worldpos(),
this.points.map(p => this.gameobject.this2world(p)),
25,
);
if (idx === -1) return;
this.points.splice(idx, 1);
};
polyinputs["C-M-lm"].doc = "Remove point under mouse.";
polyinputs["C-b"] = function () {
this.points = this.spoints;
this.flipx = false;
this.flipy = false;
};
polyinputs["C-b"].doc = "Freeze mirroring in place.";
var edge2d = {
dimensions: 2,
thickness: 1,
/* if type === -1, point to point */
type: Spline.type.catmull,
C: 1 /* when in bezier, continuity required. 0, 1 or 2. */,
looped: false,
angle: 0.5 /* smaller for smoother bezier */,
elasticity: 0,
friction: 0,
sync() {
var ppp = this.sample();
this.segs ??= [];
var count = ppp.length - 1;
this.segs.length = count;
for (var i = 0; i < count; i++) {
this.segs[i] ??= os.make_seg2d(this.body);
this.segs[i].set_endpoints(ppp[i], ppp[i + 1]);
this.segs[i].set_neighbors(ppp[i], ppp[i + 1]);
this.segs[i].radius = this.thickness;
this.segs[i].elasticity = this.elasticity;
this.segs[i].friction = this.friction;
this.segs[i].collide = this.collide;
}
},
flipx: false,
flipy: false,
hollow: false,
hollowt: 0,
spoints() {
if (!this.points) return [];
var spoints = this.points.slice();
if (this.flipx) {
if (Spline.is_bezier(this.type)) spoints.push(Vector.reflect_point(spoints.at(-2), spoints.at(-1)));
for (var i = spoints.length - 1; i >= 0; i--) {
var newpoint = spoints[i].slice();
newpoint.x = -newpoint.x;
spoints.push(newpoint);
}
}
if (this.flipy) {
if (Spline.is_bezier(this.type)) spoints.push(Vector.reflect(point(spoints.at(-2), spoints.at(-1))));
for (var i = spoints.length - 1; i >= 0; i--) {
var newpoint = spoints[i].slice();
newpoint.y = -newpoint.y;
spoints.push(newpoint);
}
}
if (this.hollow) {
var hpoints = vector.inflate(spoints, this.hollowt);
if (hpoints.length === spoints.length) return spoints;
var arr1 = hpoints.filter(function (x, i) {
return i % 2 === 0;
});
var arr2 = hpoints.filter(function (x, i) {
return i % 2 !== 0;
});
return arr1.concat(arr2.reverse());
}
if (this.looped) spoints = spoints.wrapped(1);
return spoints;
},
post() {
this.points = [];
},
sample() {
var spoints = this.spoints();
if (spoints.length === 0) return [];
if (this.type === -1) {
if (this.looped) spoints.push(spoints[0]);
return spoints;
}
if (this.type === Spline.type.catmull) {
if (this.looped) spoints = Spline.catmull_loop(spoints);
else spoints = Spline.catmull_caps(spoints);
return Spline.sample_angle(this.type, spoints, this.angle);
}
if (this.looped && Spline.is_bezier(this.type)) spoints = Spline.bezier_loop(spoints);
return Spline.sample_angle(this.type, spoints, this.angle);
},
boundingbox() {
return bbox.frompoints(this.points.map(x => x.scale(this.gameobject.scale)));
},
/* EDITOR */
gizmo() {
if (this.type === Spline.type.catmull || this.type === -1) {
this.spoints().forEach(x => render.point(this.gameobject.this2screen(x), 3, Color.teal));
this.points.forEach((x, i) => render.coordinate(this.gameobject.this2screen(x)));
} else {
for (var i = 0; i < this.points.length; i += 3) render.coordinate(this.gameobject.this2screen(this.points[i]), 1, Color.teal);
for (var i = 1; i < this.points.length; i += 3) {
render.coordinate(this.gameobject.this2screen(this.points[i]), 1, Color.green);
render.coordinate(this.gameobject.this2screen(this.points[i + 1]), 1, Color.green);
render.line([this.gameobject.this2screen(this.points[i - 1]), this.gameobject.this2screen(this.points[i])], Color.yellow);
render.line([this.gameobject.this2screen(this.points[i + 1]), this.gameobject.this2screen(this.points[i + 2])], Color.yellow);
}
}
},
finish_center(change) {
this.points = this.points.map(function (x) {
return x.sub(change);
});
},
pick(pos) {
var i = Gizmos.pick_gameobject_points(pos, this.gameobject, this.points);
var p = this.points[i];
if (!p) return undefined;
if (Spline.is_catmull(this.type) || this.type === -1) return make_point_obj(this, p);
var that = this.gameobject;
var me = this;
if (p) {
var o = {
pos: p,
sync: me.sync.bind(me),
};
if (Spline.bezier_is_handle(this.points, i))
o.move = function (d) {
d = that.dir_world2this(d);
p.x += d.x;
p.y += d.y;
Spline.bezier_cp_mirror(me.points, i);
};
else
o.move = function (d) {
d = that.dir_world2this(d);
p.x += d.x;
p.y += d.y;
var pp = Spline.bezier_point_handles(me.points, i);
pp.forEach(ph => (me.points[ph] = me.points[ph].add(d)));
};
return o;
}
},
rm_node(idx) {
if (idx < 0 || idx >= this.points.length) return;
if (Spline.is_catmull(this.type)) this.points.splice(idx, 1);
if (Spline.is_bezier(this.type)) {
assert(Spline.bezier_is_node(this.points, idx), "Attempted to delete a bezier handle.");
if (idx === 0) this.points.splice(idx, 2);
else if (idx === this.points.length - 1) this.points.splice(this.points.length - 2, 2);
else this.points.splice(idx - 1, 3);
}
},
add_node(pos) {
pos = this.gameobject.world2this(pos);
var idx = 0;
if (Spline.is_catmull(this.type) || this.type === -1) {
if (this.points.length >= 2) idx = physics.closest_point(pos, this.points, 400);
if (idx === this.points.length) this.points.push(pos);
else this.points.splice(idx, 0, pos);
}
if (Spline.is_bezier(this.type)) {
idx = physics.closest_point(pos, Spline.bezier_nodes(this.points), 400);
if (idx < 0) return;
if (idx === 0) {
this.points.unshift(pos.slice(), pos.add([-100, 0]), Vector.reflect_point(this.points[1], this.points[0]));
return;
}
if (idx === Spline.bezier_node_count(this.points)) {
this.points.push(Vector.reflect_point(this.points.at(-2), this.points.at(-1)), pos.add([-100, 0]), pos.slice());
return;
}
idx = 2 + (idx - 1) * 3;
var adds = [pos.add([100, 0]), pos.slice(), pos.add([-100, 0])];
this.points.splice(idx, 0, ...adds);
}
},
pick_all() {
var picks = [];
this.points.forEach(x => picks.push(make_point_obj(this, x)));
return picks;
},
};
component.edge2d = function (obj) {
if (!obj.body) obj.rigidify();
var edge = Object.create(edge2d);
edge.body = obj.body;
return edge;
};
edge2d.spoints.doc = "Returns the controls points after modifiers are applied, such as it being hollow or mirrored on its axises.";
edge2d.inputs = {};
edge2d.inputs.h = function () {
this.hollow = !this.hollow;
};
edge2d.inputs.h.doc = "Toggle hollow.";
edge2d.inputs["C-g"] = function () {
if (this.hollowt > 0) this.hollowt--;
};
edge2d.inputs["C-g"].doc = "Thin the hollow thickness.";
edge2d.inputs["C-g"].rep = true;
edge2d.inputs["C-f"] = function () {
this.hollowt++;
};
edge2d.inputs["C-f"].doc = "Increase the hollow thickness.";
edge2d.inputs["C-f"].rep = true;
edge2d.inputs["M-v"] = function () {
if (this.thickness > 0) this.thickness--;
};
edge2d.inputs["M-v"].doc = "Decrease spline thickness.";
edge2d.inputs["M-v"].rep = true;
edge2d.inputs["C-y"] = function () {
this.points = this.spoints();
this.flipx = false;
this.flipy = false;
this.hollow = false;
};
edge2d.inputs["C-y"].doc = "Freeze mirroring,";
edge2d.inputs["M-b"] = function () {
this.thickness++;
};
edge2d.inputs["M-b"].doc = "Increase spline thickness.";
edge2d.inputs["M-b"].rep = true;
edge2d.inputs.plus = function () {
if (this.angle <= 1) {
this.angle = 1;
return;
}
this.angle *= 0.9;
};
edge2d.inputs.plus.doc = "Increase the number of samples of this spline.";
edge2d.inputs.plus.rep = true;
edge2d.inputs.minus = function () {
this.angle *= 1.1;
};
edge2d.inputs.minus.doc = "Decrease the number of samples on this spline.";
edge2d.inputs.minus.rep = true;
edge2d.inputs["C-r"] = function () {
this.points = this.points.reverse();
};
edge2d.inputs["C-r"].doc = "Reverse the order of the spline's points.";
edge2d.inputs["C-l"] = function () {
this.looped = !this.looped;
};
edge2d.inputs["C-l"].doc = "Toggle spline being looped.";
edge2d.inputs["C-c"] = function () {
switch (this.type) {
case Spline.type.bezier:
this.points = Spline.bezier2catmull(this.points);
break;
}
this.type = Spline.type.catmull;
};
edge2d.inputs["C-c"].doc = "Set type of spline to catmull-rom.";
edge2d.inputs["C-b"] = function () {
switch (this.type) {
case Spline.type.catmull:
this.points = Spline.catmull2bezier(Spline.catmull_caps(this.points));
break;
}
this.type = Spline.type.bezier;
};
edge2d.inputs["C-o"] = function () {
this.type = -1;
};
edge2d.inputs["C-o"].doc = "Set spline to linear.";
edge2d.inputs["C-M-lm"] = function () {
if (Spline.is_catmull(this.type)) {
var idx = Math.grab_from_points(
input.mouse.worldpos(),
this.points.map(p => this.gameobject.this2world(p)),
25,
);
if (idx === -1) return;
} else {
}
this.points = this.points.newfirst(idx);
};
edge2d.inputs["C-M-lm"].doc = "Select the given point as the '0' of this spline.";
edge2d.inputs["C-lm"] = function () {
this.add_node(input.mouse.worldpos());
};
edge2d.inputs["C-lm"].doc = "Add a point to the spline at the mouse position.";
edge2d.inputs["C-M-lm"] = function () {
var idx = -1;
if (Spline.is_catmull(this.type))
idx = Math.grab_from_points(
input.mouse.worldpos(),
this.points.map(p => this.gameobject.this2world(p)),
25,
);
else {
var nodes = Spline.bezier_nodes(this.points);
idx = Math.grab_from_points(
input.mouse.worldpos(),
nodes.map(p => this.gameobject.this2world(p)),
25,
);
idx *= 3;
}
this.rm_node(idx);
};
edge2d.inputs["C-M-lm"].doc = "Remove point from the spline.";
edge2d.inputs.lm = function () {};
edge2d.inputs.lm.released = function () {};
edge2d.inputs.lb = function () {
var np = [];
this.points.forEach(function (c) {
np.push(Vector.rotate(c, Math.deg2rad(-1)));
});
this.points = np;
};
edge2d.inputs.lb.doc = "Rotate the points CCW.";
edge2d.inputs.lb.rep = true;
edge2d.inputs.rb = function () {
var np = [];
this.points.forEach(function (c) {
np.push(Vector.rotate(c, Math.deg2rad(1)));
});
this.points = np;
};
edge2d.inputs.rb.doc = "Rotate the points CW.";
edge2d.inputs.rb.rep = true;
/* CIRCLE */
function shape_maker(maker) {
return function (obj) {
if (!obj.body) obj.rigidify();
return maker(obj.body);
};
}
component.circle2d = shape_maker(os.make_circle2d);
component.poly2d = shape_maker(os.make_poly2d);
component.seg2d = shape_maker(os.make_seg2d);
Object.mix(os.make_circle2d(), {
boundingbox() {
return bbox.fromcwh(this.offset, [this.radius, this.radius]);
},
set scale(x) {
this.radius = x;
},
get scale() {
return this.radius;
},
get pos() {
return this.offset;
},
set pos(x) {
this.offset = x;
},
grow(x) {
if (typeof x === "number") this.scale *= x;
else if (typeof x === "object") this.scale *= x[0];
},
});
return { component, SpriteAnim };