Files
cell/scripts/modules/sprite.js

311 lines
7.1 KiB
JavaScript

var graphics = use('graphics')
var base_pipeline = {
vertex: "sprite.vert",
fragment: "sprite.frag",
primitive: "triangle", // point, line, linestrip, triangle, trianglestrip
fill: true, // false for lines
depth: {
compare: "greater_equal", // never/less/equal/less_equal/greater/not_equal/greater_equal/always
test: false,
write: false,
bias: 0,
bias_slope_scale: 0,
bias_clamp: 0
},
stencil: {
enabled: true,
front: {
compare: "equal", // never/less/equal/less_equal/greater/neq/greq/always
fail: "keep", // keep/zero/replace/incr_clamp/decr_clamp/invert/incr_wrap/decr_wrap
depth_fail: "keep",
pass: "keep"
},
back: {
compare: "equal", // never/less/equal/less_equal/greater/neq/greq/always
fail: "keep", // keep/zero/replace/incr_clamp/decr_clamp/invert/incr_wrap/decr_wrap
depth_fail: "keep",
pass: "keep"
},
test: true,
compare_mask: 0,
write_mask: 0
},
blend: {
enabled: false,
src_rgb: "zero", // zero/one/src_color/one_minus_src_color/dst_color/one_minus_dst_color/src_alpha/one_minus_src_alpha/dst_alpha/one_minus_dst_alpha/constant_color/one_minus_constant_color/src_alpha_saturate
dst_rgb: "zero",
op_rgb: "add", // add/sub/rev_sub/min/max
src_alpha: "one",
dst_alpha: "zero",
op_alpha: "add"
},
cull: "none", // none/front/back
face: "cw", // cw/ccw
alpha_to_coverage: false,
multisample: {
count: 1, // number of multisamples
mask: 0xFFFFFFFF,
domask: false
},
label: "scripted pipeline",
target: {}
}
var sprite_pipeline = Object.create(base_pipeline);
sprite_pipeline.blend = {
enabled:true,
src_rgb: "src_alpha", // zero/one/src_color/one_minus_src_color/dst_color/one_minus_dst_color/src_alpha/one_minus_src_alpha/dst_alpha/one_minus_dst_alpha/constant_color/one_minus_constant_color/src_alpha_saturate
dst_rgb: "one_minus_src_alpha",
op_rgb: "add", // add/sub/rev_sub/min/max
src_alpha: "one",
dst_alpha: "zero",
op_alpha: "add"
};
sprite_pipeline.target = {
color_targets: [{
format:"rgba8",
blend:sprite_pipeline.blend
}],
depth: "d32 float s8"
};
var sprite = {
image: undefined,
set color(x) { this._sprite.color = x; },
get color() { return this._sprite.color; },
anim_speed: 1,
play(str, loop = true, reverse = false, fn) {
if (!this.animset) {
fn?.();
return;
}
if (typeof str === 'string') {
if (!this.animset[str]) {
fn?.();
return;
}
this.anim = this.animset[str];
}
var playing = this.anim;
var stop;
this.del_anim?.();
this.del_anim = () => {
this.del_anim = undefined;
advance = undefined;
stop?.();
};
var f = 0;
if (reverse) f = playing.frames.length - 1;
var advance = (time) => {
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;
}
this.image = playing.frames[f];
if (done) {
// notify requestor
fn?.();
if (!loop) {
this?.stop();
return;
}
}
return playing.frames[f].time/this.anim_speed;
}
stop = this.delay(advance, playing.frames[f].time/this.anim_speed);
advance();
},
stop() {
this.del_anim?.();
},
set path(p) {
var image = graphics.texture(p);
if (!image) {
console.warn(`Could not find image ${p}.`);
return;
}
this._p = p;
this.del_anim?.();
if (image.texture)
this.image = image;
else if (image.frames) {
// It's an animation
this.anim = image;
this.image = image.frames[0];
this.animset = [this.anim]
this.play()
} else {
// Maybe an animset; try to grab the first one
for (var anim in image) {
if (image[anim].frames) {
this.anim = image[anim];
this.image = image[anim].frames[0];
this.animset = image;
this.play()
break;
}
}
}
this.transform.scale = this.image.texture.dim //[this.image.texture.width, this.image.texture.height]
this._sprite.set_image(this.image)
},
get path() {
return this._p;
},
garbage: function() {
this.del_anim?.();
this.anim = undefined;
tree.delete(this._sprite)
this.transform.parent = undefined
for (var t of this.transform.children())
t.parent = undefined
delete this.transform.sprite
delete this._sprite
// console.log("CLEARED SPRITE")
},
anchor: [0, 0],
set layer(v) { this._sprite.layer = v; },
get layer() { return this._sprite.layer; },
pick() {
return this;
},
boundingbox() {
return Object.freeze(this._sprite.rect) // freeze so it can't be modified on the outside
}
};
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");
};
var tree = graphics.make_rtree()
sprite.tree = tree;
var IN = Symbol()
sprite.t_hook = function() {
var msp = this.sprite._sprite;
if (this[IN])
tree.delete(msp);
msp.rect = this.torect()
msp.set_affine(this)
tree.add(msp)
this[IN] = true
}
Object.mixin(sprite,use("transform"))
sprite.to_queue = function(ysort = false)
{
var pos = prosperon.camera.transform.pos;
var size = prosperon.camera.size;
var camrect = {
x:pos.x-size.x/2,
y:pos.y-size.y/2,
width:size.x,
height:size.y
};
var culled = sprite.tree.query(camrect)
if (culled.length == 0) return [];
var cmd = graphics.make_sprite_queue(culled, prosperon.camera, sprite_pipeline, 1);
return cmd;
}
return sprite;
---
var Color = use('color')
var os = use('os')
var graphics = use('graphics')
this.transform = os.make_transform();
if (this.overling.transform)
this.transform.parent = this.overling.transform;
this.transform.change_hook = $.t_hook;
var msp = graphics.make_sprite();
this._sprite = msp;
msp.color = Color.white;
this.transform.sprite = this