2D-GameCreator / src /components /GameCreator.tsx
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feat: calls to OpenAI API are done in the frontend only
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import { SyntheticEvent, useEffect, useMemo, useRef, useState } from "react";
import axios, { AxiosError } from "axios";
import KeyIcon from "@mui/icons-material/Key";
import SmartButtonIcon from "@mui/icons-material/SmartButton";
import AcUnitIcon from "@mui/icons-material/AcUnit";
import LocalFireDepartmentIcon from "@mui/icons-material/LocalFireDepartment";
import CheckIcon from "@mui/icons-material/Check";
import ClearIcon from "@mui/icons-material/Clear";
import CodeIcon from "@mui/icons-material/Code";
import CodeOffIcon from "@mui/icons-material/CodeOff";
import EditIcon from "@mui/icons-material/Edit";
import VisibilityIcon from "@mui/icons-material/Visibility";
import DeleteForeverIcon from "@mui/icons-material/DeleteForever";
import ExpandMoreIcon from "@mui/icons-material/ExpandMore";
import PlayArrowIcon from "@mui/icons-material/PlayArrow";
import ReplayIcon from "@mui/icons-material/Replay";
import MoneyIcon from "@mui/icons-material/Money";
import TollIcon from "@mui/icons-material/Toll";
import TextField from "@mui/material/TextField";
import Box from "@mui/material/Box";
import Stack from "@mui/material/Stack";
import Accordion from "@mui/material/Accordion";
import Typography from "@mui/material/Typography";
import AccordionSummary from "@mui/material/AccordionSummary";
import AccordionDetails from "@mui/material/AccordionDetails";
import Paper from "@mui/material/Paper";
import IconButton from "@mui/material/IconButton";
import List from "@mui/material/List";
import ListItem from "@mui/material/ListItem";
import { nanoid } from "nanoid";
import AppBar from "@mui/material/AppBar";
import Toolbar from "@mui/material/Toolbar";
import ListItemIcon from "@mui/material/ListItemIcon";
import ListItemButton from "@mui/material/ListItemButton";
import ListItemText from "@mui/material/ListItemText";
import { useHost } from "esdeka/react";
import CircularProgress from "@mui/material/CircularProgress";
import CssBaseline from "@mui/material/CssBaseline";
import Slider from "@mui/material/Slider";
import { useAtom } from "jotai";
import Button from "@mui/material/Button";
import dynamic from "next/dynamic";
import FormControl from "@mui/material/FormControl";
import InputLabel from "@mui/material/InputLabel";
import Select from "@mui/material/Select";
import MenuItem from "@mui/material/MenuItem";
import { useColorScheme } from "@mui/material/styles";
import { getTheme, prettify } from "@/utils";
import { answersAtom, showCodeAtom } from "@/store/atoms";
import {
COMMAND_ADD_FEATURE,
COMMAND_CREATE_GAME,
COMMAND_EXTEND_FEATURE,
COMMAND_FIX_BUG,
COMMAND_LABEL_ADD_FEATURE,
COMMAND_LABEL_CREATE_GAME,
COMMAND_LABEL_EXTEND_FEATURE,
COMMAND_LABEL_FIX_BUG,
COMMAND_LABEL_REMOVE_FEATURE,
COMMAND_REMOVE_FEATURE,
} from "@/constants";
import { baseGame } from "@/constants/baseGame";
import { EditTitle } from "@/components/EditTitle";
import theme, { fontMono } from "@/lib/theme";
import { Codesandbox } from "@/components/Codesandbox";
import { Codepen } from "@/components/Codepen";
import { InfoMenu } from "@/components/InfoMenu";
import SimpleSnackbar from "@/components/SimpleSnackbar";
import ExampleButton from "@/components/base/ExampleButton";
import { Container, Grid, Link, ListSubheader } from "@mui/material";
import Secret from "@/components/base/secret";
import Footer from "@/components/footer";
import Title from "@/components/title";
import { RunCircle } from "@mui/icons-material";
import Introduction from "@/components/Introduction";
import Instructions from "@/components/Instructions";
import Examples from "@/components/Examples";
import { toOpenAI } from "@/services/api";
import { createClient } from "@/services/api/openai";
const MonacoEditor = dynamic(import("@monaco-editor/react"), { ssr: false });
export interface ShareProps {
title: string;
content: string;
}
export default function GameCreator() {
const ref = useRef<HTMLIFrameElement>(null);
const [prompt, setPrompt] = useState("");
const [template, setTemplate] = useState(prettify(baseGame.default));
const [runningId, setRunningId] = useState("1");
const [activeId, setActiveId] = useState("1");
const [editingId, setEditingId] = useState<string | null>(null);
const [answers, setAnswers] = useAtom(answersAtom);
const [showCode, setShowCode] = useAtom(showCodeAtom);
const [loading, setLoading] = useState(false);
const [loadingLive, setLoadingLive] = useState(true);
const [showError, setShowError] = useState(false);
const [errorMessage, setErrorMessage] = useState("");
const { mode, systemMode } = useColorScheme();
const { call, subscribe } = useHost(ref, "2DGameGPT");
const connection = useRef(false);
const [tries, setTries] = useState(1);
// Send a connection request
useEffect(() => {
const current = answers.find(({ id }) => id === runningId);
if (connection.current || tries <= 0) {
return () => {
/* Consistency */
};
}
const timeout = setTimeout(() => {
if (current) {
call({ template: current.content });
}
setTries(tries - 1);
}, 1_000);
return () => {
clearTimeout(timeout);
};
}, [call, tries, answers, runningId]);
useEffect(() => {
if (!connection.current && loadingLive) {
const unsubscribe = subscribe(event => {
const { action } = event.data;
switch (action.type) {
case "answer":
connection.current = true;
setLoadingLive(false);
break;
default:
break;
}
});
return () => {
unsubscribe();
};
}
return () => {
/* Consistency */
};
}, [subscribe, loadingLive]);
const sortedAnswers = useMemo(() => {
return [...answers].sort((a, b) => {
if (a.id === "1") return -1;
if (b.id === "1") return 1;
return 0;
});
}, [answers]);
const current = answers.find(({ id }) => id === activeId);
const handleSnackbarClose = (event: SyntheticEvent | Event, reason?: string) => {
if (reason === "clickaway") {
return;
}
setShowError(false);
};
function reload() {
connection.current = false;
if (ref.current) {
ref.current.src = `/live?${nanoid()}`;
setLoadingLive(true);
setTries(1);
}
}
return (
<>
<Paper sx={{ p: 1 }}>
<Stack
sx={{
...fontMono.style,
inset: 0,
overflow: "hidden",
flexDirection: { md: "row" },
height: "100vh",
}}
>
<Stack
sx={{
width: { md: "50%" },
height: { xs: "50%", md: "100%" },
flex: 1,
overflow: "hidden",
}}
>
<AppBar position="static" elevation={0} color="default">
<Toolbar>
<Typography variant="h5" component="h2" sx={{ flex: 1, m: 0 }}>
2D GameCreator-GPT
</Typography>
<IconButton
color="inherit"
aria-label={showCode ? "Hide Code" : "Show Code"}
onClick={() => {
setShowCode(previousState => !previousState);
}}
>
{showCode ? <CodeOffIcon /> : <CodeIcon />}
</IconButton>
{/* <IconButton
edge="end"
color="inherit"
aria-label="Clear Prompt"
onClick={async () => {
setActiveId("1");
setRunningId("1");
setTemplate(prettify(baseGame.default));
reload();
}}
>
<ClearIcon />
</IconButton> */}
</Toolbar>
</AppBar>
{showCode && (
<Box
sx={{ flex: 1 }}
onKeyDown={event => {
if (event.key === "s" && event.metaKey) {
event.preventDefault();
setAnswers(previousAnswers =>
previousAnswers.map(previousAnswer => {
return previousAnswer.id === activeId
? {
...previousAnswer,
content: template,
}
: previousAnswer;
})
);
setTemplate(previousState => prettify(previousState));
reload();
}
}}
>
<MonacoEditor
theme={getTheme(mode, systemMode)}
language="javascript"
value={template}
options={{
fontSize: 14,
}}
onChange={async value => {
setTemplate(value ?? "");
}}
/>
</Box>
)}
<Stack
sx={{
flex: 1,
display: showCode ? "none" : undefined,
overflow: "hidden",
}}
>
<Box
component="form"
id="gpt-form"
sx={{ p: 0, pt: 0 }}
onSubmit={async event => {
event.preventDefault();
const formData = new FormData(event.target as HTMLFormElement);
const formObject = Object.fromEntries(formData);
try {
setLoading(true);
const client = createClient(
formObject.openAIAPIKey as string
);
const answer = await toOpenAI({
...formObject,
client,
});
setAnswers(previousAnswers => [answer, ...previousAnswers]);
setRunningId(answer.id);
setActiveId(answer.id);
setTemplate(prettify(answer.content));
reload();
} catch (error) {
setShowError(true);
setErrorMessage((error as AxiosError).message);
console.error(error);
} finally {
setLoading(false);
}
}}
>
<Stack sx={{ p: 1, pl: 0, gap: 2 }}>
<Secret label="OpenAI API Key" name="openAIAPIKey" />
<Stack direction="row" spacing={1}>
<TextField
multiline
fullWidth
required
id="prompt"
name="prompt"
label="Prompt"
value={prompt}
onChange={e => setPrompt(e.target.value)}
minRows={5}
InputProps={{
style: fontMono.style,
}}
/>
<Stack spacing={1}>
<FormControl variant="outlined" sx={{ minWidth: 180 }}>
<InputLabel id="gpt-command-select-label">
Command
</InputLabel>
<Select
labelId="gpt-command-select-label"
id="gpt-command-select"
name="command"
defaultValue={COMMAND_CREATE_GAME}
label="Command"
>
<MenuItem value={COMMAND_CREATE_GAME}>
{COMMAND_LABEL_CREATE_GAME}
</MenuItem>
<MenuItem value={COMMAND_ADD_FEATURE}>
{COMMAND_LABEL_ADD_FEATURE}
</MenuItem>
<MenuItem value={COMMAND_REMOVE_FEATURE}>
{COMMAND_LABEL_REMOVE_FEATURE}
</MenuItem>
<MenuItem value={COMMAND_EXTEND_FEATURE}>
{COMMAND_LABEL_EXTEND_FEATURE}
</MenuItem>
<MenuItem value={COMMAND_FIX_BUG}>
{COMMAND_LABEL_FIX_BUG}
</MenuItem>
</Select>
</FormControl>
<Button
form="gpt-form"
type="submit"
variant="contained"
fullWidth
aria-label={loading ? "Loading" : "Run"}
aria-disabled={loading}
disabled={loading}
startIcon={
loading ? (
<CircularProgress size={20} />
) : (
<PlayArrowIcon />
)
}
sx={{
pl: 5,
pr: 5,
flexGrow: 1,
overflow: "auto",
}}
>
<Typography sx={{ fontWeight: "500" }}>
Run
</Typography>
</Button>
</Stack>
</Stack>
<Stack direction="row" spacing={1} alignItems="center">
<Typography>Examples</Typography>
<ExampleButton
title={"Space Invaders"}
text={
"Space Invaders. Single player ship at the bottom, a row of invaders at the top moving side-to-side and descending. The player ship can move left and right, and shoot bullets to destroy the invaders. Handle game over scenario when an invader reaches the player's level or all invaders are dead. Collision detection for both invaders and player. "
}
onClick={setPrompt}
/>
<ExampleButton
title="Jump & Run"
text={
"Jump & Run. Player collects coins to enter the next level. Various platform heights. Gras platform covers the whole ground. Space key for jumping, arrow keys for movement."
}
onClick={setPrompt}
/>
<ExampleButton
title="Flappy Bird"
text={
"Flappy Bird. Intro screen, start the game by pressing space key. Bird starts flying on the left center of the screen. Gradually falls slowly. Pressing the space key over and over lets the bird fly higher. Pipes move from the right of the screen to the left. The pipes have a huge opening so that the bird can easily fly through. Collision detection when the bird hits the ground or a pipe. When collision detected, then show intro screen. Player gets a point for each passed pipe without an collision. Score is shown in the top left while bird is flying. High score on intro screen."
}
onClick={setPrompt}
/>
<ExampleButton
title="Asteroids"
text={
"Asteroids. Control spaceship-movement using arrow keys. Fire bullets with space key to destroy asteroids, breaking them into smaller pieces. Earn points for destroying asteroids, with higher scores for smaller ones. Collision detection when spaceship hits asteroid, collision reduces spaceship health, game over when health is 0."
}
// text={
// "Asteroids. Space ship can fly around in space using the arrow keys. Irregular shaped objects called asteroids flying around the space ship. The space ship can shoot bullets using the space key. When a bullet hits an asteroid, it splits in smaller irregular shaped objects; when asteroid is completely destroyed, the player scores one point. When the space ship collides with an asteroid, it looses 1 health; when the health is 0, the game is over. Restart the game via pressing space key."
// }
onClick={setPrompt}
/>
</Stack>
<Paper variant="outlined">
<Accordion disableGutters square elevation={0}>
<AccordionSummary
expandIcon={<ExpandMoreIcon />}
aria-controls="gtp-options-content"
id="gtp-options-header"
sx={{
bgcolor: "background.paper",
color: "text.primary",
}}
>
<Typography>Options</Typography>
</AccordionSummary>
<AccordionDetails>
<Stack gap={2}>
<FormControl
fullWidth
variant="outlined"
sx={{ mb: 3 }}
>
<InputLabel id="gpt-model-select-label">
Model
</InputLabel>
<Select
labelId="gpt-model-select-label"
id="gpt-model-select"
name="model"
defaultValue="gpt-3.5-turbo"
label="Model"
>
<MenuItem value="gpt-3.5-turbo">
GPT 3.5 turbo
</MenuItem>
<MenuItem value="gpt-4">GPT 4</MenuItem>
</Select>
</FormControl>
</Stack>
<Stack
spacing={2}
direction="row"
sx={{ mb: 2 }}
alignItems="center"
>
<AcUnitIcon />
<Slider
marks
id="temperature"
name="temperature"
min={0}
max={0.8}
defaultValue={0.2}
step={0.1}
valueLabelDisplay="auto"
aria-label="Temperature"
/>
<LocalFireDepartmentIcon />
</Stack>
<Stack
spacing={2}
direction="row"
sx={{ mb: 2 }}
alignItems="center"
>
<TollIcon />
<Slider
marks
id="maxTokens"
name="maxTokens"
min={1024}
max={4096}
defaultValue={2048}
step={256}
valueLabelDisplay="auto"
aria-label="Max Tokens"
/>
<MoneyIcon />
</Stack>
<input
id="template"
name="template"
type="hidden"
value={template}
onChange={event => {
setTemplate(event.target.value);
}}
/>
</AccordionDetails>
</Accordion>
</Paper>
</Stack>
</Box>
<Paper variant="elevation" sx={{ p: 1, pl: 0, overflow: "auto" }}>
<List sx={{ flex: 1, p: 0 }}>
<ListSubheader
sx={{
fontSize: "1em",
fontWeight: "normal",
color: "white",
}}
>
Games
</ListSubheader>
{sortedAnswers.map((answer, index) => {
return (
<ListItem
key={answer.id}
secondaryAction={
<Stack
sx={{
flexDirection: "row",
gap: 1,
}}
>
{answer.id === "1" ? undefined : (
<IconButton
edge="end"
aria-label="Delete"
onClick={() => {
setAnswers(previousAnswers =>
previousAnswers.filter(
({ id }) =>
id !== answer.id
)
);
if (runningId === answer.id) {
const previous =
answers[index + 1];
if (previous) {
setActiveId(
previous.id
);
setRunningId(
previous.id
);
setTemplate(
prettify(
previous.content
)
);
reload();
}
}
}}
>
<DeleteForeverIcon />
</IconButton>
)}
</Stack>
}
disablePadding
>
<ListItemButton
dense
selected={activeId === answer.id}
// disabled={activeId === answer.id}
role={undefined}
onClick={() => {
setActiveId(answer.id);
setRunningId(answer.id);
setTemplate(prettify(answer.content));
reload();
}}
>
<ListItemIcon>
{runningId === answer.id ? (
<CheckIcon />
) : (
<VisibilityIcon />
)}
</ListItemIcon>
<ListItemText
primary={answer.task}
primaryTypographyProps={{
sx: {
overflow: "hidden",
textOverflow: "ellipsis",
whiteSpace: "nowrap",
fontSize: 16,
},
}}
/>
</ListItemButton>
</ListItem>
);
})}
</List>
</Paper>
</Stack>
</Stack>
<Stack
sx={{
flex: 1,
width: { md: "50%" },
height: { xs: "50%", md: "auto" },
position: "relative",
}}
>
<AppBar position="static" elevation={0} color="default">
<Toolbar>
<Typography sx={{ mr: 2 }}>Game Preview</Typography>
<IconButton
edge="start"
color="inherit"
aria-label="Reload"
onClick={() => {
reload();
}}
>
<ReplayIcon />
</IconButton>
<Box sx={{ flex: 1 }} />
{current && current.id !== "1" && (
<>
<Typography>Share on</Typography>
<Codesandbox
title={current.task}
content={current.content}
/>
</>
)}
</Toolbar>
</AppBar>
{loadingLive && (
<Box
sx={{
position: "absolute",
zIndex: 100,
top: "50%",
left: "50%",
transform: "translate(-50%,-50%)",
}}
>
<CircularProgress />
</Box>
)}
<Box
ref={ref}
component="iframe"
sx={{
width: "100%",
flex: 1,
m: 0,
border: 0,
overflow: "hidden",
visibility: loadingLive ? "hidden" : undefined,
}}
onLoad={() => {
if (current) {
setLoadingLive(true);
setTries(1);
connection.current = false;
call({ template: current.content });
}
}}
src="/live"
/>
</Stack>
</Stack>
</Paper>
<SimpleSnackbar
handleClose={handleSnackbarClose}
showError={showError}
message={errorMessage}
/>
</>
);
}