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Optimize mass selector drawing

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This commit is contained in:
Aurumaker72 2021-02-21 16:57:15 +01:00
parent 34ea3c85c9
commit 2f8ac548ad
1 changed files with 11 additions and 5 deletions
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16
src/js/game/hud/parts/mass_selector.js
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@ -16,10 +16,13 @@ import { enumHubGoalRewards } from "../../tutorial_goals";
import { Blueprint } from "../../blueprint";
const logger = createLogger("hud/mass_selector");
var globalTileSizeAdjusted = 0;
export class HUDMassSelector extends BaseHUDPart {
createElements(parent) {}
initialize() {
this.currentSelectionStartWorld = null;
this.currentSelectionEnd = null;
@ -41,6 +44,7 @@ export class HUDMassSelector extends BaseHUDPart {
this.root.hud.signals.selectedPlacementBuildingChanged.add(this.clearSelection, this);
this.root.signals.editModeChanged.add(this.clearSelection, this);
globalTileSizeAdjusted = globalConfig.tileSize - 2 * 2;
}
/**
@ -315,18 +319,20 @@ export class HUDMassSelector extends BaseHUDPart {
}
parameters.context.fillStyle = THEME.map.selectionOverlay;
parameters.context.beginPath();
this.selectedUids.forEach(uid => {
const entity = this.root.entityMgr.findByUid(uid);
const staticComp = entity.components.StaticMapEntity;
const bounds = staticComp.getTileSpaceBounds();
parameters.context.beginRoundedRect(
// tried writing this in one line: it worked but it was very slow... WHY?
parameters.context.fillRect(
bounds.x * globalConfig.tileSize + boundsBorder,
bounds.y * globalConfig.tileSize + boundsBorder,
bounds.w * globalConfig.tileSize - 2 * boundsBorder,
bounds.h * globalConfig.tileSize - 2 * boundsBorder,
2
bounds.w * globalTileSizeAdjusted,
bounds.h * globalTileSizeAdjusted, // This seems like microoptimization but on a huuuge scale it makes a difference
);
parameters.context.fill();
});
parameters.context.closePath(); // +1 fps for some reason
}
}