phaser4-rex-plugins
Version:
387 lines (315 loc) • 11.6 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.rexcrossstitchingfilterplugin = factory());
})(this, (function () { 'use strict';
const FilterName = 'rexCrossStitching';
// reference : https://www.geeks3d.com/20110408/cross-stitching-post-processing-shader-glsl-filter-geexlab-pixel-bender/
const frag = `\
#ifdef GL_FRAGMENT_PRECISION_HIGH
#define highmedp highp
#else
#define highmedp mediump
#endif
precision highmedp float;
// Scene buffer
uniform sampler2D uMainSampler;
varying vec2 outTexCoord;
// Effect parameters
uniform vec2 texSize;
uniform vec2 stitchingSize;
uniform float brightness;
void main (void) {
vec2 cPos = outTexCoord * texSize;
int remX = int(mod(cPos.x, stitchingSize.x));
int remY = int(mod(cPos.y, stitchingSize.y));
vec2 tlPos;
if (remX == 0 && remY == 0) {
tlPos = cPos;
} else {
tlPos = floor(cPos / stitchingSize);
tlPos.x = tlPos.x * stitchingSize.x;
tlPos.y = tlPos.y * stitchingSize.y;
}
vec2 blPos = tlPos;
blPos.y += (stitchingSize.y - 1.0);
vec4 color0, color1;
if (
(remX == remY) ||
(((int(cPos.x) - int(blPos.x)) == (int(blPos.y) - int(cPos.y))))
) {
color0 = texture2D(uMainSampler, tlPos * vec2(1.0/texSize.x, 1.0/texSize.y)) * 1.4;
color1 = vec4(0.2, 0.15, 0.05, 1.0);
} else {
color0 = vec4(0.0, 0.0, 0.0, 1.0);
color1 = texture2D(uMainSampler, tlPos * vec2(1.0/texSize.x, 1.0/texSize.y)) * 1.4;
}
gl_FragColor = mix(color0, color1, brightness);
}
`;
class CrossStitchingFilter extends Phaser.Renderer.WebGL.RenderNodes.BaseFilterShader {
static FilterName = FilterName;
constructor(manager) {
super(FilterName, manager, null, frag);
}
// This method sets up the uniforms for the shader.
setupUniforms(controller, drawingContext) {
const programManager = this.programManager;
programManager.setUniform('stitchingSize', [controller.stitchingWidth, controller.stitchingHeight]);
programManager.setUniform('texSize', [drawingContext.width, drawingContext.height]);
programManager.setUniform('brightness', controller._brightness);
}
}
const GetValue = Phaser.Utils.Objects.GetValue;
const Clamp = Phaser.Math.Clamp;
class CrossStitchingController extends Phaser.Filters.Controller {
static FilterName = FilterName;
constructor(camera, config) {
super(camera, FilterName);
this.stitchingWidth = 6; // width of stitching wo resolution
this.stitchingHeight = 6; // height of stitching wo resolution
this._brightness = 0;
this.resetFromJSON(config);
}
resetFromJSON(o) {
this.setStitchingSize(GetValue(o, 'stitchingWidth', 6), GetValue(o, 'stitchingHeight', 6));
this.setBrightness(GetValue(o, 'brightness', 0));
return this;
}
// stitchingWidth
setStitchingWidth(value) {
this.stitchingWidth = value;
return this;
}
// stitchingHeight
setStitchingHeight(value) {
this.stitchingHeight = value;
return this;
}
setStitchingSize(width, height) {
if (height === undefined) {
height = width;
}
this.stitchingWidth = width;
this.stitchingHeight = height;
return this;
}
// brightness
get brightness() {
return this._brightness;
}
set brightness(value) {
this._brightness = Clamp(value, 0, 1);
}
setBrightness(value) {
this.brightness = value;
return this;
}
}
const GameClass = Phaser.Game;
var IsGame = function (object) {
return (object instanceof GameClass);
};
const SceneClass = Phaser.Scene;
var IsSceneObject = function (object) {
return (object instanceof SceneClass);
};
var GetGame = function (object) {
if ((object == null) || (typeof (object) !== 'object')) {
return null;
} else if (IsGame(object)) {
return object;
} else if (IsGame(object.game)) {
return object.game;
} else if (IsSceneObject(object)) { // object = scene object
return object.sys.game;
} else if (IsSceneObject(object.scene)) { // object = game object
return object.scene.sys.game;
}
};
var RegisterFilter = function (game, FilterClass) {
var filterName = FilterClass.FilterName;
var renderNodes = GetGame(game).renderer.renderNodes;
if (renderNodes.hasNode(filterName)) {
return false;
}
renderNodes.addNodeConstructor(filterName, FilterClass);
return true;
};
var AddFilterListMethod = function (name, callback) {
var FilterListComponent = Phaser.GameObjects.Components.FilterList.prototype;
if (FilterListComponent[name]) {
return;
}
FilterListComponent[name] = callback;
};
var GetFilterList = function (gameObject, external) {
if (external === undefined) {
external = false;
}
if (!gameObject.filters) {
gameObject.enableFilters().focusFilters();
}
var filterList = (!external) ? gameObject.filters.internal : gameObject.filters.external;
return filterList;
};
var AddController = function (gameObject, ControllerClass, config, external) {
if (config === undefined) {
config = {};
}
var filterList = GetFilterList(gameObject, external);
var controller = filterList.add(
new ControllerClass(filterList.camera, config)
);
if (config.name) {
controller.name = config.name;
}
return controller;
};
const SpliceOne = Phaser.Utils.Array.SpliceOne;
var RemoveController = function (gameObject, ControllerClass, name, external) {
var list = GetFilterList(gameObject, external).list;
if (name === undefined) {
for (var i = (list.length - 1); i >= 0; i--) {
var controller = list[i];
if (controller instanceof ControllerClass) {
controller.destroy();
SpliceOne(controller, i);
}
}
} else {
for (var i = 0, cnt = list.length; i < cnt; i++) {
var controller = list[i];
if ((controller instanceof ControllerClass) && (controller.name === name)) {
controller.destroy();
SpliceOne(controller, i);
}
}
}
};
var GetController = function (gameObject, ControllerClass, name, external) {
var list = GetFilterList(gameObject, external).list;
if (name === undefined) {
var result = [];
for (var i = 0, cnt = list.length; i < cnt; i++) {
var controller = list[i];
if (controller instanceof ControllerClass) {
result.push(controller);
}
}
return result;
} else {
for (var i = 0, cnt = list.length; i < cnt; i++) {
var controller = list[i];
if ((controller instanceof ControllerClass) && (controller.name === name)) {
return controller;
}
}
}
};
class FilterPluginBase extends Phaser.Plugins.BasePlugin {
setFilterClass(FilterClass, ControllerClass) {
this.FilterClass = FilterClass;
this.ControllerClass = ControllerClass;
return this;
}
setFilterListMethod(name, callback) {
AddFilterListMethod(name, callback);
return this;
}
start() {
var eventEmitter = this.game.events;
eventEmitter.once('destroy', this.destroy, this);
if (this.game.isRunning) {
RegisterFilter(this.game, this.FilterClass);
} else {
eventEmitter.once('ready', function () {
RegisterFilter(this.game, this.FilterClass);
}, this);
}
}
add(gameObject, config, external = false) {
return AddController(gameObject, this.ControllerClass, config, external);
}
remove(gameObject, name, external = false) {
RemoveController(gameObject, this.ControllerClass, name, external);
return this;
}
get(gameObject, name, external = false) {
return GetController(gameObject, this.ControllerClass, name, external);
}
}
var IsInValidKey = function (keys) {
return (keys == null) || (keys === '') || (keys.length === 0);
};
var GetEntry = function (target, keys, defaultEntry) {
var entry = target;
if (IsInValidKey(keys)) ; else {
if (typeof (keys) === 'string') {
keys = keys.split('.');
}
var key;
for (var i = 0, cnt = keys.length; i < cnt; i++) {
key = keys[i];
if ((entry[key] == null) || (typeof (entry[key]) !== 'object')) {
var newEntry;
if (i === cnt - 1) {
if (defaultEntry === undefined) {
newEntry = {};
} else {
newEntry = defaultEntry;
}
} else {
newEntry = {};
}
entry[key] = newEntry;
}
entry = entry[key];
}
}
return entry;
};
var SetValue = function (target, keys, value, delimiter) {
if (delimiter === undefined) {
delimiter = '.';
}
// no object
if (typeof (target) !== 'object') {
return;
}
// invalid key
else if (IsInValidKey(keys)) {
// don't erase target
if (value == null) {
return;
}
// set target to another object
else if (typeof (value) === 'object') {
target = value;
}
} else {
if (typeof (keys) === 'string') {
keys = keys.split(delimiter);
}
var lastKey = keys.pop();
var entry = GetEntry(target, keys);
entry[lastKey] = value;
}
return target;
};
class CrossStitchingFilterPlugin extends FilterPluginBase {
constructor(pluginManager) {
super(pluginManager);
this.setFilterClass(CrossStitchingFilter, CrossStitchingController);
this.setFilterListMethod(
'addRexCrossStitching',
function (config) {
return this.add(new CrossStitchingController(this.camera, config));
}
);
}
}
SetValue(window, 'RexPlugins.Filters.CrossStitchingFilter', CrossStitchingFilter);
SetValue(window, 'RexPlugins.Filters.CrossStitchingController', CrossStitchingController);
return CrossStitchingFilterPlugin;
}));