92 lines
2.1 KiB
JavaScript
92 lines
2.1 KiB
JavaScript
function Guide()
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{
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Layer.call(this);
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this.el.id = "guide";
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this.update = function()
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{
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this.el.width = window.innerWidth * 2;
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this.el.height = window.innerHeight * 2;
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this.el.style.width = (window.innerWidth)+"px";
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this.el.style.height = (window.innerHeight)+"px";
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var u = ronin.guide.find_unit();
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if(!u){ return; }
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this.clear();
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this.draw(u)
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}
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this.draw = function(u)
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{
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if(u.x && u.y){
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this.draw_pos(u);
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}
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if(u.width && u.height){
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this.draw_rect(u);
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}
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}
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this.draw_rect = function(u)
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{
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var ctx = this.context();
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u.x = !u.x ? 0 : u.x;
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u.y = !u.y ? 0 : u.y;
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var offset = {x:u.x * 2, y:u.y * 2};
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var rect = {width:u.width * 2,height:u.height * 2};
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ctx.beginPath();
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ctx.globalCompositeOperation="source-over";
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ctx.moveTo(offset.x,offset.y);
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ctx.lineTo(offset.x + rect.width,offset.y);
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ctx.lineTo(offset.x + rect.width,offset.y + rect.height);
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ctx.lineTo(offset.x,offset.y + rect.height);
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ctx.lineTo(offset.x,offset.y);
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ctx.lineCap="round";
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ctx.lineWidth = 2;
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ctx.strokeStyle = "#000";
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ctx.stroke();
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ctx.closePath();
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}
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this.draw_pos = function(u)
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{
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var ctx = this.context();
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var offset = 2;
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var radius = 5;
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var pos = {x:u.x * 2, y:u.y * 2};
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ctx.beginPath();
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ctx.globalCompositeOperation="source-over";
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ctx.moveTo(pos.x+offset,pos.y);
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ctx.lineTo(pos.x+radius,pos.y);
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ctx.moveTo(pos.x,pos.y+offset);
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ctx.lineTo(pos.x,pos.y+radius);
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ctx.moveTo(pos.x-offset,pos.y);
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ctx.lineTo(pos.x-radius,pos.y);
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ctx.moveTo(pos.x,pos.y-offset);
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ctx.lineTo(pos.x,pos.y-radius);
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ctx.lineCap="round";
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ctx.lineWidth = 2;
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ctx.strokeStyle = "#000";
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ctx.stroke();
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ctx.closePath();
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}
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this.find_unit = function(q = ronin.commander.query())
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{
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for(method_id in q.methods){
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var params = q.methods[method_id];
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if(!params){ return null; }
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if(params.from){ return params.from[0]; }
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if(params[0]){ return params[0]; }
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return params;
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}
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return null;
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}
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} |