gfx[this.tileset.img].setAttribute("src", this.tileset.img);
}
+ var h = this.info.header.height, w = this.info.header.width;
+ var th = this.info.header.tileheight, tw = this.info.header.tilewidth;
+ var posx = canvas.canvas.width / 2, posy = canvas.canvas.height / 2 - h * th/2;
+
+ canvas.fillStyle = "rgba("+this.info.header.background_color+")";
+
this.tileAt = function(x, y) {
- nx = y / this.info.header.tileheight + x / this.info.header.tilewidth |0;
- ny = y / this.info.header.tileheight - x / this.info.header.tilewidth |0;
- return ny * this.info.header.width + nx;
+ nx = (y + th / 2) / th + (x - w * tw / 2) / tw |0;
+ ny = (y + th / 2) / th - (x - w * tw / 2) / tw |0;
+ return ny * w + nx;
}
- this.draw = function(posx, posy, mobs) {
- var x, y, i, layer;
- var h = this.info.header.height;
- var w = this.info.header.width;
- var th = this.info.header.tileheight;
- var tw = this.info.header.tilewidth;
-
- posx = canvas.canvas.width / 2 - posx + w * tw / 2;
- posy = canvas.canvas.height / 2 - posy;
+ this.center = function(x, y) {
+ posx = canvas.canvas.width / 2 - x;
+ posy = canvas.canvas.height / 2 - y;
+ return this;
+ }
- canvas.fillStyle = "rgba("+this.info.header.background_color+")";
+ this.draw = function(mobs) {
+ var x, y, dx, dy, i;
+ var bg = this.info.layer.find(l => l.type == "background").data;
+ var ob = this.info.layer.find(l => l.type == "object").data;
+ var mm = [];
+ mobs.forEach(m => {
+ i = this.tileAt(m.position[0], m.position[1]);
+ mm[i] = mobs.filter(m => i == this.tileAt(m.position[0], m.position[1]));
+ });
canvas.fillRect(0,0, canvas.canvas.width, canvas.canvas.height);
- [ this.info.layer[0].data, this.info.layer[1].data ].forEach(layer => {
- for (y = 0; y < 2 * h - 1; y++ )
- if ( y < h ) for ( x = 0; x <= y; x++ ){
- i = (y - x) * w + x;
- if (layer[i]) this.draw_tile( layer[i],
- posx - (y / 2 - x) * tw,
- posy + y / 2 * th);
- } else for ( x = 0; x < 2 * h - y - 1; x++ ){
- i = (w - x - 2) * h + x + y + 1;
- if (layer[i]) this.draw_tile( layer[i],
- posx - (h - 1 - x - y / 2) * tw,
- posy + y / 2 * th);
- }
- })
+ for ( y = 0; y < h; y++ ) for ( x = 0; x < w; x++ ) {
+ i = y * h + x;
+ dx = posx + (w + x - y) * tw /2;
+ dy = posy + (x + y) * th / 2;
+ this.draw_tile(bg[i], dx, dy);
+ this.draw_tile(ob[i], dx, dy);
+ if (mm[i]) mm[i].forEach(m => m.draw(dx, dy));
+ }
}
this.draw_tile = function(tile, x, y) {
- t = this.tileset.tile[tile], x = x|0, y = y|0;
+ var t = this.tileset.tile[tile];
+ var f = this.tileset.animation[tile];
- if (this.tileset.animation[tile]) {
- f = this.tileset.animation[tile];
+ if (t && f) {
frame = ((performance.now() - this.frametime) / f[0][2] |0) % f.length;
canvas.drawImage(gfx[this.tileset.img], f[frame][0], f[frame][1], t[2], t[3],
x - t[4], y - t[5], t[2], t[3]);
- } else {
+ } else if (t) {
canvas.drawImage(gfx[this.tileset.img], t[0], t[1], t[2], t[3],
x - t[4], y - t[5], t[2], t[3]);
}
return this;
}
- this.draw = function(){
+ this.draw = function(x, y){
var f, a = this.info[this.animation];
var frame = ( performance.now() - this.frametime ) * a.frames / a.duration | 0;
f = a.frame[frame][this.direction];
canvas.drawImage(gfx[this.info.image], f[0], f[1], f[2], f[3],
- this.position[0] - f[4], this.position[1] - f[5],
+ x - f[4], y - f[5],
f[2], f[3]);
}
for (var limb in this.limbs) this.limbs[limb].animate(anim);
return this;
}
- this.draw = function(){
- gamedata["/engine/hero_layers.txt"].layer[this.direction].forEach(limb => this.limbs[limb].draw());
+ this.draw = function(x, y){
+ gamedata["/engine/hero_layers.txt"].layer[this.direction].forEach(limb => this.limbs[limb].draw(x, y));
return this;
}
player = new Hero().place(20 * 64 , 20 * 32).direct(5);
map = new Map("/maps/arrival.txt");
-setInterval (function() { map.draw(player.position[0], player.position[1], [player]) }, 33.33 );
+setInterval (function() { map.center(player.position[0], player.position[1]).draw([player]);}, 33.33 );
+// window.addEventListener("click", function(e){
+// tile = map.tileAt(e.pageX + map.posx, e.pageY - map.posy );
+// console.log( "X: " + (e.pageX + map.posx) + ", Y:" + (e.pageY - map.posy) +
+// ", Tile: " + tile + " ( " + (tile % map.info.header.width) + ", " + (tile / map.info.header.width |0) + " )" );
+// });
+//
+// mark = [17,17];
+// window.addEventListener("mousemove", function(e){
+// tile = map.tileAt(e.pageX + map.posx, e.pageY - map.posy);
+// mark = [(tile % map.info.header.width), (tile / map.info.header.width |0)];
+// });