121 lines
3.6 KiB
TypeScript
121 lines
3.6 KiB
TypeScript
import { clearScreen, fillRect, setPixelColor } from "./window.ts";
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import { drawSprite } from "./builtins.ts";
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import { COLOR } from "./colors.ts";
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import { getSpriteSheet, setSheet } from "./sheet.ts";
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import { mouseHeld, mousePos } from "./mouse.ts";
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import { inRect, reGrid } from "./util.ts";
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import { page } from "./viewsheets.ts";
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import { useSpritesheet } from "./builtins.ts";
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const state = {
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selectedSprite: 0,
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selectedColor: 0,
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get sprites() {
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return getSpriteSheet(page.activeSheet);
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},
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set sprites(val) {
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setSheet(page.activeSheet, "spritesheet", val);
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}
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}
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const paletteX = 88;
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const paletteY = 16;
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const swatchW = 8;
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const swatchH = 8;
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const paletteW = 4;
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const paletteH = 6;
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const spriteX = 8;
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const spriteY = 16;
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const pixelW = 8;
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const pixelH = 8;
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const spriteW = 8;
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const spriteH = 8;
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const sheetX = 0;
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const sheetY = 88;
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const sheetW = 16;
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const sheetH = 4;
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const update = () => {
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if (mouseHeld()) {
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const {x: mouseX, y: mouseY} = mousePos();
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const inPalette = inRect(mouseX, mouseY, paletteX, paletteY, paletteW*swatchW, paletteH*swatchH);
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const inSprite = inRect(mouseX, mouseY, spriteX, spriteY, spriteW*pixelW, spriteH*pixelH);
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const inSheet = inRect(mouseX, mouseY, sheetX, sheetY, sheetW*spriteW, sheetH*spriteH);
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if (inPalette) {
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const {x, y} = reGrid(mouseX, mouseY, paletteX, paletteY, swatchW, swatchH);
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state.selectedColor = paletteW*y+x;
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}
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if (inSprite) {
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const {x, y} = reGrid(mouseX, mouseY, spriteX, spriteY, pixelW, pixelH);
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const pixelNumber = spriteW*y+x;
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state.sprites[state.selectedSprite][pixelNumber] = state.selectedColor;
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}
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if (inSheet) {
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const {x, y} = reGrid(mouseX, mouseY, sheetX, sheetY, spriteW, spriteH);
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state.selectedSprite = sheetW*y+x;
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}
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}
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}
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const outlineRect = (x: number, y: number, w: number, h: number, color: number) => {
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fillRect(x, y, w, 1, color);
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fillRect(x, y, 1, h, color);
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fillRect(x+w-1, y, 1, h, color);
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fillRect(x, y+h-1, w, 1, color);
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}
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const drawTransparentRect = (x: number, y: number, w: number, h: number) => {
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Array(w*h).fill(0).map((_z, j) => {
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const jx = j%w;
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const jy = Math.floor(j/w);
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setPixelColor(x+jx, y+jy, (jx+jy)%2 ? COLOR.BLACK : COLOR.DARKGRAY);
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})
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}
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const draw = () => {
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const {sprites, selectedSprite, selectedColor} = state;
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clearScreen();
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useSpritesheet(page.activeSheet);
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fillRect(0, 8, 128, 112, COLOR.DARKGRAY);
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// Draw the palette
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fillRect(paletteX-1, paletteY-1, (paletteW*swatchW)+2, (paletteH*swatchH)+2, COLOR.BLACK);
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Object.keys(COLOR).forEach((name, i) => {
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const swatchX = paletteX+swatchW*(i%paletteW);
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const swatchY = paletteY+swatchH*Math.floor(i/paletteW);
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fillRect(swatchX, swatchY, swatchW, swatchH, COLOR[name as keyof typeof COLOR]);
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if (name == "TRANSPARENT") {
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// transparent
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drawTransparentRect(swatchX, swatchY, swatchW, swatchH);
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}
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if (i === selectedColor) {
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outlineRect(swatchX, swatchY, swatchW, swatchH, name === "WHITE" ? COLOR.BLACK : COLOR.WHITE);
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}
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});
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// Draw the current sprite
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fillRect(spriteX-1, spriteY-1, (spriteW*pixelW)+2, (spriteH*pixelH)+2, COLOR.BLACK);
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drawTransparentRect(spriteX, spriteY, (spriteW*pixelW), (spriteH*pixelH));
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sprites[selectedSprite].forEach((pix, i) => {
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fillRect(spriteX+pixelW*(i%spriteW), spriteY+pixelH*Math.floor(i/spriteW), pixelW, pixelH, pix);
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});
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// Draw the spritesheet
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fillRect(sheetX, sheetY-1, (sheetW*spriteW), (sheetH*spriteH)+1, COLOR.BLACK);
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sprites.forEach((_sprite, i) => {
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const sprX = sheetX+spriteW*(i%sheetW);
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const sprY = sheetY+spriteH*Math.floor(i/sheetW);
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drawSprite(sprX, sprY, i);
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if (i === selectedSprite) {
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outlineRect(sprX, sprY, spriteW, spriteH, COLOR.WHITE);
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}
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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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} |