fantasy-console/spritetab.ts
2023-05-09 20:29:25 -07:00

150 lines
4.8 KiB
TypeScript

import { clearScreen, fillRect, setPixelColor } from "./window.ts";
import { drawSprite, drawText } from "./builtins.ts";
import { COLOR } from "./colors.ts";
import { getSpriteSheet, setSheet } from "./sheet.ts";
import { mouseClick, mouseHeld, mousePos } from "./mouse.ts";
import { inRect, reGrid } from "./util.ts";
import { page } from "./viewsheets.ts";
import { useSpritesheet } from "./builtins.ts";
const state = {
selectedSprite: 0,
selectedColor: 0,
get spriteSheetPage() {
return Math.floor(this.selectedSprite/64);
},
set spriteSheetPage(val) {
this.selectedSprite = 64*val+this.spriteWithinPage;
},
get spriteWithinPage() {
return this.selectedSprite%64;
},
set spriteWithinPage(val) {
this.selectedSprite = 64*this.spriteSheetPage+val;
},
get sprites() {
return getSpriteSheet(page.activeSheet);
},
set sprites(val) {
setSheet(page.activeSheet, "spritesheet", val);
}
}
const paletteX = 88;
const paletteY = 16;
const swatchW = 8;
const swatchH = 8;
const paletteW = 4;
const paletteH = 6;
const spriteX = 8;
const spriteY = 16;
const pixelW = 8;
const pixelH = 8;
const spriteW = 8;
const spriteH = 8;
const sheetX = 0;
const sheetY = 88;
const sheetW = 16;
const sheetH = 4;
const spriteSheetPageSwapX = 121;
const spriteSheetPageSwapY = 80;
const spriteSheetPageSwapW = 7;
const spriteSheetPageSwapH = 7;
const update = () => {
if (mouseHeld()) {
const {x: mouseX, y: mouseY} = mousePos();
const inPalette = inRect(mouseX, mouseY, paletteX, paletteY, paletteW*swatchW, paletteH*swatchH);
const inSprite = inRect(mouseX, mouseY, spriteX, spriteY, spriteW*pixelW, spriteH*pixelH);
const inSheet = inRect(mouseX, mouseY, sheetX, sheetY, sheetW*spriteW, sheetH*spriteH);
if (inPalette) {
const {x, y} = reGrid(mouseX, mouseY, paletteX, paletteY, swatchW, swatchH);
state.selectedColor = paletteW*y+x;
}
if (inSprite) {
const {x, y} = reGrid(mouseX, mouseY, spriteX, spriteY, pixelW, pixelH);
const pixelNumber = spriteW*y+x;
state.sprites[state.selectedSprite][pixelNumber] = state.selectedColor;
}
if (inSheet) {
const {x, y} = reGrid(mouseX, mouseY, sheetX, sheetY, spriteW, spriteH);
state.spriteWithinPage = sheetW*y+x;
}
} else if (mouseClick()) {
const {x: mouseX, y: mouseY} = mousePos();
const inSpriteSheetPageSwap = inRect(mouseX, mouseY, spriteSheetPageSwapX, spriteSheetPageSwapY, spriteSheetPageSwapW, spriteSheetPageSwapH);
if (inSpriteSheetPageSwap) {
state.spriteSheetPage = (1+state.spriteSheetPage)%2;
}
}
}
const outlineRect = (x: number, y: number, w: number, h: number, color: number) => {
fillRect(x, y, w, 1, color);
fillRect(x, y, 1, h, color);
fillRect(x+w-1, y, 1, h, color);
fillRect(x, y+h-1, w, 1, color);
}
const drawTransparentRect = (x: number, y: number, w: number, h: number) => {
Array(w*h).fill(0).map((_z, j) => {
const jx = j%w;
const jy = Math.floor(j/w);
setPixelColor(x+jx, y+jy, (jx+jy)%2 ? COLOR.BLACK : COLOR.DARKGRAY);
})
}
const draw = () => {
const {sprites, selectedSprite, selectedColor} = state;
clearScreen();
useSpritesheet(page.activeSheet);
fillRect(0, 8, 128, 112, COLOR.DARKGRAY);
// Draw the palette
fillRect(paletteX-1, paletteY-1, (paletteW*swatchW)+2, (paletteH*swatchH)+2, COLOR.BLACK);
Object.keys(COLOR).forEach((name, i) => {
const swatchX = paletteX+swatchW*(i%paletteW);
const swatchY = paletteY+swatchH*Math.floor(i/paletteW);
fillRect(swatchX, swatchY, swatchW, swatchH, COLOR[name as keyof typeof COLOR]);
if (name == "TRANSPARENT") {
// transparent
drawTransparentRect(swatchX, swatchY, swatchW, swatchH);
}
if (i === selectedColor) {
outlineRect(swatchX, swatchY, swatchW, swatchH, name === "WHITE" ? COLOR.BLACK : COLOR.WHITE);
}
});
// Draw the current sprite
fillRect(spriteX-1, spriteY-1, (spriteW*pixelW)+2, (spriteH*pixelH)+2, COLOR.BLACK);
drawTransparentRect(spriteX, spriteY, (spriteW*pixelW), (spriteH*pixelH));
sprites[selectedSprite].forEach((pix, i) => {
fillRect(spriteX+pixelW*(i%spriteW), spriteY+pixelH*Math.floor(i/spriteW), pixelW, pixelH, pix);
});
// Draw the spritesheet page swap button
fillRect(spriteSheetPageSwapX, spriteSheetPageSwapY, spriteSheetPageSwapW, spriteSheetPageSwapH, COLOR.BLUE);
drawText(spriteSheetPageSwapX+2, spriteSheetPageSwapY+1, state.spriteSheetPage.toString());
// Draw the spritesheet
fillRect(sheetX, sheetY-1, (sheetW*spriteW), (sheetH*spriteH)+1, COLOR.BLACK);
Array(64).fill(0).forEach((_, i) => {
const sprI = i+64*state.spriteSheetPage;
const sprX = sheetX+spriteW*(i%sheetW);
const sprY = sheetY+spriteH*Math.floor(i/sheetW);
console.log(sprI, getSpriteSheet(page.activeSheet).length);
drawSprite(sprX, sprY, sprI);
if (i === state.spriteWithinPage) {
outlineRect(sprX, sprY, spriteW, spriteH, COLOR.WHITE);
}
});
}
export const spritetab = {
update,
draw,
}