Apple-2gs-SW/iigs-game-engine
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Create and pass options to png2iigs subroutines

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This commit is contained in:
Lucas Scharenbroich 2021-11-12 09:05:55 -06:00
parent 6c5b283ae9
commit ab16035c0d
1 changed files with 31 additions and 11 deletions
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42
tools/tiled2iigs.js
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@ -31,14 +31,14 @@ async function readTileSet(workdir, tileset) {
const pngfile = path.resolve(path.join(workdir, tileset.image.source));
console.log(`Reading PNG file from ${pngfile}`);
const png = await png2iigs.readPNG(pngfile);
// Find the index of the transparent color (if defined)
console.log(`Looking for transparency...`);
let transparentIndex = -1;
if (tileset.image.trans) {
const color = hexToRbg(tileset.image.trans);
console.log(`Found color ${color} as transparent marker`);
transparentIndex = png2iigs.findColorIndex(png, color);
transparentIndex = png2iigs.findColorIndex(GLOBALS.options, png, color);
if (typeof transparentIndex !== 'number') {
console.log('Could not find color in palette');
console.log(png.palette);
@ -49,10 +49,10 @@ async function readTileSet(workdir, tileset) {
}
console.log(`Converting PNG to IIgs bitmap format...`);
const buff = png2iigs.pngToIIgsBuff(png);
const buff = png2iigs.pngToIIgsBuff(GLOBALS.options, png);
console.log(`Building tiles...`);
const tiles = png2iigs.buildTiles(buff, png.width / 2, transparentIndex);
const tiles = png2iigs.buildTiles(GLOBALS.options, buff, png.width / 2, transparentIndex);
// Return the tiles
return tiles;
@ -155,7 +155,7 @@ function writeTileAnimations(filename, animations) {
}
function writeTiles(filename, tiles) {
const tileSource = png2iigs.buildMerlinCodeForTiles(tiles);
const tileSource = png2iigs.buildMerlinCodeForTiles(GLOBALS.options, tiles);
fs.writeFileSync(filename, tileSource);
}
@ -198,7 +198,15 @@ function findAnimatedTiles(tileset) {
}
// Global reference object
let GLOBALS = {};
let GLOBALS = {
options: {
startIndex: 0,
asTileData: true,
maxTiles: 360,
transparentColor: 'FF00FF',
backgroundColor: '6B8CFF'
}
};
/**
* Command line arguments
@ -251,6 +259,7 @@ async function main(argv) {
// Create a global reference object
GLOBALS = {
...GLOBALS,
outdir,
tileSets,
tileLayers
@ -364,15 +373,26 @@ function emitLayerData(sb, layer, tileset) {
//
// Merlin32 errors out with errno 3221226505 is the line is too long (>1047 characters)
const N = 64;
const chunks = [];
const rows = [];
const tileIDs = layer.data;
for (let i = 0; i < tileIDs.length; i += N) {
chunks.push(tileIDs.slice(i, i + N).map(tID => convertTileID(tID, tileset)))
// Create cunks of chunks so we can put a break between logical rows
for (let j = 0; j < tileIDs.length; j += layer.width) {
const row = tileIDs.slice(j, j + layer.width);
const chunks = [];
for (let i = 0; i < row.length; i += N) {
chunks.push(row.slice(i, i + N).map(tID => convertTileID(tID, tileset)))
}
rows.push(chunks);
}
// Tiled starts numbering its tiles at 1. This is OK since Tile 0 is reserved in
// GTE, also
for (const chunk of chunks) {
sb.appendLine(' dw ' + chunk.map(id => '$' + toHex(id, 4)).join(','));
for (const row of rows) {
for (const chunk of row) {
sb.appendLine(' dw ' + chunk.map(id => '$' + toHex(id, 4)).join(','));
}
sb.appendLine('');
}
return sb;