Files
grungnet/src/components/map/MapTokens.js
2021-04-16 13:36:14 +10:00

131 lines
3.5 KiB
JavaScript

import React, { useEffect } from "react";
import { Group } from "react-konva";
import MapToken from "./MapToken";
import { useTokenData } from "../../contexts/TokenDataContext";
function MapTokens({
map,
mapState,
tokenDraggingOptions,
setTokenDraggingOptions,
onMapTokenStateChange,
handleTokenMenuOpen,
selectedToolId,
disabledTokens,
}) {
const { tokensById, loadTokens } = useTokenData();
// Ensure tokens files have been loaded into the token data
useEffect(() => {
async function loadFileTokens() {
const tokenIds = new Set(
Object.values(mapState.tokens).map((state) => state.tokenId)
);
const tokensToLoad = [];
for (let tokenId of tokenIds) {
const token = tokensById[tokenId];
if (token && token.type === "file" && !token.file) {
tokensToLoad.push(tokenId);
}
}
if (tokensToLoad.length > 0) {
await loadTokens(tokensToLoad);
}
}
if (mapState) {
loadFileTokens();
}
}, [mapState, tokensById, loadTokens]);
function getMapTokenCategoryWeight(category) {
switch (category) {
case "character":
return 0;
case "vehicle":
return 1;
case "prop":
return 2;
default:
return 0;
}
}
// Sort so vehicles render below other tokens
function sortMapTokenStates(a, b, tokenDraggingOptions) {
const tokenA = tokensById[a.tokenId];
const tokenB = tokensById[b.tokenId];
if (tokenA && tokenB) {
// If categories are different sort in order "prop", "vehicle", "character"
if (tokenB.category !== tokenA.category) {
const aWeight = getMapTokenCategoryWeight(tokenA.category);
const bWeight = getMapTokenCategoryWeight(tokenB.category);
return bWeight - aWeight;
} else if (
tokenDraggingOptions &&
tokenDraggingOptions.dragging &&
tokenDraggingOptions.tokenState.id === a.id
) {
// If dragging token a move above
return 1;
} else if (
tokenDraggingOptions &&
tokenDraggingOptions.dragging &&
tokenDraggingOptions.tokenState.id === b.id
) {
// If dragging token b move above
return -1;
} else {
// Else sort so last modified is on top
return a.lastModified - b.lastModified;
}
} else if (tokenA) {
return 1;
} else if (tokenB) {
return -1;
} else {
return 0;
}
}
return (
<Group>
{Object.values(mapState.tokens)
.sort((a, b) => sortMapTokenStates(a, b, tokenDraggingOptions))
.map((tokenState) => (
<MapToken
key={tokenState.id}
token={tokensById[tokenState.tokenId]}
tokenState={tokenState}
onTokenStateChange={onMapTokenStateChange}
onTokenMenuOpen={handleTokenMenuOpen}
onTokenDragStart={(e) =>
setTokenDraggingOptions({
dragging: true,
tokenState,
tokenGroup: e.target,
})
}
onTokenDragEnd={() =>
setTokenDraggingOptions({
...tokenDraggingOptions,
dragging: false,
})
}
draggable={
selectedToolId === "move" &&
!(tokenState.id in disabledTokens) &&
!tokenState.locked
}
fadeOnHover={selectedToolId === "drawing"}
map={map}
/>
))}
</Group>
);
}
export default MapTokens;