64 lines
1.7 KiB
TypeScript
64 lines
1.7 KiB
TypeScript
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import { clearScreen, fillRect, setPixelColor } from "./window.ts";
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import { fontWidth, fontHeight } from "./font.ts";
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import { drawText, drawSprite } from "./builtins.ts";
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import { COLOR } from "./colors.ts";
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import {getSheet, setSheet} from "./sheet.ts";
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const state = {
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selectedIndex: 0,
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get sprites() {
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const {sheet_type, value} = getSheet(2);
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if (sheet_type !== "spritesheet") {
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throw "Trying to use a non-sprite sheet as a spritesheet."
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}
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return value;
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},
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set sprites(val) {
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setSheet(0, "spritesheet", val);
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}
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}
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const update = () => {
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}
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const draw = () => {
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const {sprites, selectedIndex} = state;
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clearScreen();
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fillRect(0, 8, 128, 112, COLOR.BROWN);
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// Draw the palette
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const paletteX = 88;
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const paletteY = 12;
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fillRect(paletteX-1, paletteY-1, 32+2, 32+2, COLOR.BLACK);
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Object.keys(COLOR).forEach((name, i) => {
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const swatchX = paletteX+8*(i%4);
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const swatchY = paletteY+8*Math.floor(i/4);
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fillRect(swatchX, swatchY, 8, 8, COLOR[name as keyof typeof COLOR]);
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if (i === 0) {
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// transparent
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Array(64).fill(0).map((_z, j) => {
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const jx = j%8;
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const jy = Math.floor(j/8);
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setPixelColor(swatchX+jx, swatchY+jy, (jx+jy)%2 ? COLOR.BLACK : COLOR.WHITE);
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})
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}
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});
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// Draw the current sprite
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const spriteX = 8;
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const spriteY = 12;
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fillRect(spriteX-1, spriteY-1, 64+2, 64+2, COLOR.BLACK);
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sprites[selectedIndex].forEach((pix, i) => {
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fillRect(spriteX+8*(i%8), spriteY+8*Math.floor(i/8), 8, 8, pix);
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});
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// Draw the spritesheet
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const sheetX = 0;
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const sheetY = 88;
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fillRect(sheetX, sheetY-1, 128, 64+1, COLOR.BLACK);
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sprites.forEach((_sprite, i) => {
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drawSprite(sheetX+8*(i%16), sheetY+8*Math.floor(i/16), i);
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});
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}
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export const spritetab = {
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update,
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draw,
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}
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