Further blueprint improvements

src/js/core/config.js

@@ -40,7 +40,7 @@ export const globalConfig = {
 
     // Map
     mapChunkSize: 16,
-    mapChunkPrerenderMinZoom: 1.3,
+    mapChunkPrerenderMinZoom: 1.15,
     mapChunkOverviewMinZoom: 0.7,
 
     // Belt speeds

src/js/core/input_distributor.js

@@ -23,10 +23,6 @@ export class InputDistributor {
         /** @type {Array<function(any) : boolean>} */
         this.filters = [];
 
-        this.shiftIsDown = false;
-        this.altIsDown = false;
-        this.ctrlIsDown = false;
-
         this.bindToEvents();
     }
 
@@ -176,27 +172,13 @@ export class InputDistributor {
      * Handles when the page got blurred
      */
     handleBlur() {
-        this.ctrlIsDown = false;
-        this.shiftIsDown = false;
-        this.altIsDown = false;
         this.forwardToReceiver("pageBlur", {});
-        this.forwardToReceiver("shiftUp", {});
     }
 
     /**
      * @param {KeyboardEvent} event
      */
     handleKeydown(event) {
-        if (event.keyCode === 16) {
-            this.shiftIsDown = true;
-        }
-        if (event.keyCode === 17) {
-            this.ctrlIsDown = true;
-        }
-        if (event.keyCode === 18) {
-            this.altIsDown = true;
-        }
-
         if (
             // TAB
             event.keyCode === 9 ||
@@ -230,19 +212,6 @@ export class InputDistributor {
      * @param {KeyboardEvent} event
      */
     handleKeyup(event) {
-        if (event.keyCode === 16) {
-            this.shiftIsDown = false;
-            this.forwardToReceiver("shiftUp", {});
-        }
-        if (event.keyCode === 17) {
-            this.ctrlIsDown = false;
-            this.forwardToReceiver("ctrlUp", {});
-        }
-        if (event.keyCode === 18) {
-            this.altIsDown = false;
-            this.forwardToReceiver("altUp", {});
-        }
-
         this.forwardToReceiver("keyup", {
             keyCode: event.keyCode,
             shift: event.shiftKey,

src/js/core/input_receiver.js

@@ -9,9 +9,6 @@ export class InputReceiver {
         this.keydown = new Signal();
         this.keyup = new Signal();
         this.pageBlur = new Signal();
-        this.shiftUp = new Signal();
-        this.altUp = new Signal();
-        this.ctrlUp = new Signal();
 
         // Dispatched on destroy
         this.destroyed = new Signal();