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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | 8x 8x 8x 8x 8x 30x 59x 20x 10x 10x 41x 12x 12x 29x 5x 29x 2x 29x 10x 8x 23x | import { ensureNumber } from "shared/types";
import { lexText, Token } from "shared/lib/compiler/lexText";
type TextAction = {
type: "wait";
frames: number;
};
type TokenChunk = {
tokens: Token[];
action?: TextAction;
};
export const parseWaitCodeValue = (input: string): number | undefined => {
const waitCode = input.match(/!W:([0-9.]+)([fs])!/);
Iif (!waitCode) {
return undefined;
}
const time = ensureNumber(parseFloat(waitCode[1]), 30);
return time;
};
export const parseWaitCodeUnits = (input: string): "frames" | "time" => {
Iif (input[input.length - 2] === "s") {
return "time";
}
return "frames";
};
export const chunkTokensOnWaitCodes = (tokens: Token[]): TokenChunk[] => {
Iif (tokens.length === 0) {
return [];
}
// No wait tokens found so just return parsed tokens wrapped in array
if (!tokens.some((token) => token.type === "wait")) {
return [{ tokens }];
}
const output: TokenChunk[] = [{ tokens: [] }];
let lastSpeedToken: (Token & { type: "speed" | "speedVariable" }) | undefined;
let lastFontToken: (Token & { type: "font" | "fontVariable" }) | undefined;
for (const token of tokens) {
if (token.type === "wait") {
output[output.length - 1].action = token;
output.push({
tokens: [
// Apply any speed / font changes from before split
...(lastSpeedToken ? [lastSpeedToken] : []),
...(lastFontToken ? [lastFontToken] : []),
],
});
} else {
// Track speed changes
if (token.type === "speed" || token.type === "speedVariable") {
lastSpeedToken = token;
}
// Track font changes
if (token.type === "font" || token.type === "fontVariable") {
lastFontToken = token;
}
output[output.length - 1].tokens.push(token);
}
}
return output;
};
export const chunkTextOnWaitCodes = (input: string): TokenChunk[] => {
return chunkTokensOnWaitCodes(lexText(input));
};
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