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import {
isVariableLocal,
isVariableTemp,
} from "shared/lib/entities/entitiesHelpers";
import { DistanceUnitType } from "shared/lib/entities/entitiesTypes";
import { decOct } from "shared/lib/helpers/8bit";
import {
subpxShiftForUnits,
pxShiftForUnits,
subpxSnapMaskForUnits,
} from "shared/lib/helpers/subpixels";
import {
Palette,
ActorDirection,
SpriteModeSetting,
} from "shared/lib/resources/types";
import { OperatorSymbol, FunctionSymbol } from "shared/lib/rpn/types";
import {
shiftLeftScriptValueConst,
maskScriptValueConst,
} from "shared/lib/scriptValue/helpers";
import {
ValueOperatorType,
ValueUnaryOperatorType,
ScriptValue,
} from "shared/lib/scriptValue/types";
import SparkMD5 from "spark-md5";
import {
ScriptBuilderRPNOperation,
ScriptBuilderScene,
ScriptBuilderEntity,
ScriptBuilderOverlayWaitFlag,
ScriptBuilderAxis,
SFXPriority,
ASMSFXPriority,
ASMSpriteMode,
} from "./types";
export const rpnUnaryOperators: ScriptBuilderRPNOperation[] = [
".ABS",
".NOT",
".B_NOT",
".ISQRT",
".RND",
".NEG",
];
// - Helpers --------------
export const isObject = (value: unknown): value is Record<string, unknown> => {
return typeof value === "object" && value !== null;
};
export const getActorIndex = (actorId: string, scene: ScriptBuilderScene) => {
return (scene.actors || []).findIndex((a) => a.id === actorId) + 1;
};
export const getPalette = (
palettes: Palette[],
id: string,
fallbackId: string,
): Palette => {
Iif (id === "dmg") {
return DMG_PALETTE as Palette;
}
return (
palettes.find((p) => p.id === id) ||
palettes.find((p) => p.id === fallbackId) ||
(DMG_PALETTE as Palette)
);
};
export const getVariableId = (
variable: string,
entity?: ScriptBuilderEntity,
) => {
if (isVariableLocal(variable)) {
Iif (entity) {
return `${entity.id}__${variable}`;
}
} else Iif (isVariableTemp(variable)) {
return variable;
} else if (variable.match(/[a-z0-9-]{36}/)) {
return variable;
}
return String(parseInt(variable || "0"));
};
export const toValidLabel = (label: string): string => {
return label.replace(/[^A-Za-z0-9]/g, "_");
};
export const buildOverlayWaitCondition = (
flags: ScriptBuilderOverlayWaitFlag[],
) => {
return unionFlags(flags, ".UI_WAIT_NONE");
};
export const unionFlags = (flags: string[], defaultValue = "0") => {
if (flags.length === 0) {
return defaultValue;
}
if (flags.length === 1) {
return flags[0];
}
return `^/(${flags.join(" | ")})/`;
};
export const andFlags = (flags: string[], defaultValue = "0") => {
if (flags.length === 0) {
return defaultValue;
}
if (flags.length === 1) {
return flags[0];
}
return `^/(${flags.join(" & ")})/`;
};
export const toASMVar = (symbol: string) => {
return symbol.toUpperCase().replace(/[^A-Z0-9]/g, "_");
};
export const toASMDir = (direction: string) => {
Iif (direction === "left") {
return ".DIR_LEFT";
} else if (direction === "right") {
return ".DIR_RIGHT";
} else if (direction === "up") {
return ".DIR_UP";
} else Eif (direction === "down") {
return ".DIR_DOWN";
}
return ".DIR_DOWN";
};
export const toASMMoveFlags = (
moveType: string,
useCollisions: boolean | Array<"walls" | "actors">,
relative?: boolean,
relativeUnits?: DistanceUnitType,
) => {
return unionFlags(
([] as string[]).concat(
useCollisions === true ? ".ACTOR_ATTR_CHECK_COLL" : [],
Array.isArray(useCollisions) && useCollisions.includes("walls")
? ".ACTOR_ATTR_CHECK_COLL_WALLS"
: [],
Array.isArray(useCollisions) && useCollisions.includes("actors")
? ".ACTOR_ATTR_CHECK_COLL_ACTORS"
: [],
moveType === "horizontal" ? ".ACTOR_ATTR_H_FIRST" : [],
moveType === "diagonal" ? ".ACTOR_ATTR_DIAGONAL" : [],
relative && relativeUnits === "pixels"
? ".ACTOR_ATTR_RELATIVE_SNAP_PX"
: [],
relative && relativeUnits === "tiles"
? ".ACTOR_ATTR_RELATIVE_SNAP_TILE"
: [],
),
);
};
export const toASMCameraLock = (
axis: ScriptBuilderAxis[],
preventScroll: ActorDirection[],
) => {
return unionFlags(
([] as string[]).concat(
axis.includes("x") ? ".CAMERA_LOCK_X" : [],
axis.includes("y") ? ".CAMERA_LOCK_Y" : [],
preventScroll.includes("left") ? ".CAMERA_LOCK_X_MIN" : [],
preventScroll.includes("right") ? ".CAMERA_LOCK_X_MAX" : [],
preventScroll.includes("up") ? ".CAMERA_LOCK_Y_MIN" : [],
preventScroll.includes("down") ? ".CAMERA_LOCK_Y_MAX" : [],
),
);
};
export const toASMSoundPriority = (priority: SFXPriority): ASMSFXPriority => {
if (priority === "low") {
return ".SFX_PRIORITY_MINIMAL";
}
if (priority === "high") {
return ".SFX_PRIORITY_HIGH";
}
return ".SFX_PRIORITY_NORMAL";
};
export const toASMSpriteMode = (mode: SpriteModeSetting): ASMSpriteMode => {
Iif (mode === "8x8") {
return ".MODE_8X8";
}
return ".MODE_8X16";
};
export const dirToAngle = (direction: string) => {
if (direction === "left") {
return 192;
} else if (direction === "right") {
return 64;
} else if (direction === "up") {
return 0;
} else if (direction === "down") {
return 128;
}
return 0;
};
export const toScriptOperator = (
operator: OperatorSymbol,
): ScriptBuilderRPNOperation => {
switch (operator) {
case "+":
return ".ADD";
case "-":
return ".SUB";
case "/":
return ".DIV";
case "*":
return ".MUL";
case "%":
return ".MOD";
case "&":
return ".B_AND";
case "|":
return ".B_OR";
case "^":
return ".B_XOR";
case "~":
return ".B_NOT";
case "!":
return ".NOT";
case "==":
return ".EQ";
case "!=":
return ".NE";
case "<":
return ".LT";
case "<=":
return ".LTE";
case ">":
return ".GT";
case ">=":
return ".GTE";
case "&&":
return ".AND";
case "||":
return ".OR";
case "<<":
return ".SHL";
case ">>":
return ".SHR";
case "neg":
return ".NEG";
}
assertUnreachable(operator);
};
export const valueFunctionToScriptOperator = (
operator: ValueOperatorType | ValueUnaryOperatorType,
): ScriptBuilderRPNOperation => {
switch (operator) {
case "add":
return ".ADD";
case "sub":
return ".SUB";
case "div":
return ".DIV";
case "mul":
return ".MUL";
case "mod":
return ".MOD";
case "eq":
return ".EQ";
case "ne":
return ".NE";
case "lt":
return ".LT";
case "lte":
return ".LTE";
case "gt":
return ".GT";
case "gte":
return ".GTE";
case "min":
return ".MIN";
case "max":
return ".MAX";
case "and":
return ".AND";
case "or":
return ".OR";
case "abs":
return ".ABS";
case "atan2":
return ".ATAN2";
case "isqrt":
return ".ISQRT";
case "not":
return ".NOT";
case "shl":
return ".SHL";
case "shr":
return ".SHR";
case "bAND":
return ".B_AND";
case "bOR":
return ".B_OR";
case "bXOR":
return ".B_XOR";
case "bNOT":
return ".B_NOT";
case "rnd":
return ".RND";
case "neg":
return ".NEG";
}
assertUnreachable(operator);
};
export const funToScriptOperator = (
fun: Exclude<FunctionSymbol, "len">,
): ScriptBuilderRPNOperation => {
switch (fun) {
case "min":
return ".MIN";
case "max":
return ".MAX";
case "abs":
return ".ABS";
case "atan2":
return ".ATAN2";
case "isqrt":
return ".ISQRT";
case "rnd":
return ".RND";
case "neg":
return ".SUB";
}
assertUnreachable(fun);
};
export const textCodeSetSpeed = (speed: number): string => {
return `\\001\\${decOct(speed + 1)}`;
};
export const textCodeSetFont = (fontIndex: number): string => {
return `\\002\\${decOct(fontIndex + 1)}`;
};
export const textCodeGoto = (x: number, y: number): string => {
return `\\003\\${decOct(x)}\\${decOct(y)}`;
};
export const textCodeGotoRel = (x: number, y: number): string => {
return `\\004\\${decOct(x)}\\${decOct(y)}`;
};
export const textCodeInput = (mask: number): string => {
return `\\006\\${decOct(mask)}`;
};
export const assertUnreachable = (_x: never): never => {
throw new Error("Didn't expect to get here");
};
export const toProjectileHash = ({
spriteSheetId,
spriteStateId,
speed,
animSpeed,
loopAnim,
lifeTime,
initialOffset,
destroyOnHit,
collisionGroup,
collisionMask,
}: {
spriteSheetId: string;
spriteStateId: string;
speed: number;
animSpeed: number;
loopAnim: boolean;
lifeTime: number;
initialOffset: number;
destroyOnHit: boolean;
collisionGroup: string;
collisionMask: string[];
}) =>
SparkMD5.hash(
JSON.stringify({
spriteSheetId,
spriteStateId,
speed,
animSpeed,
loopAnim,
lifeTime,
initialOffset,
destroyOnHit,
collisionGroup,
collisionMask: [...collisionMask].sort(),
}),
);
export const fadeSpeeds = [0x0, 0x1, 0x3, 0x7, 0xf, 0x1f, 0x3f];
export const scriptValueToSubpixels = (
value: ScriptValue,
units: DistanceUnitType,
) => {
return shiftLeftScriptValueConst(value, subpxShiftForUnits(units));
};
export const scriptValueToPixels = (
value: ScriptValue,
units: DistanceUnitType,
) => {
if (units === "pixels") {
return value;
}
return shiftLeftScriptValueConst(value, pxShiftForUnits(units));
};
export const snapScriptValueToUnits = (
value: ScriptValue,
units: DistanceUnitType,
) => {
return maskScriptValueConst(value, subpxSnapMaskForUnits(units));
};
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