X-Git-Url: http://git.plutz.net/?a=blobdiff_plain;f=engine.js;h=4a9eb2ef3a35f63b9fcc4995c9940e32b5dad49a;hb=6862d4dac8eb92cd8603d781e0f77d382a2f3b0f;hp=c83911cbbcfc9e99229a15421794ede8ac1d34d7;hpb=58ce9fb28cd30838ff0d7ea75860223c683ae8e4;p=flarejs diff --git a/engine.js b/engine.js index c83911c..4a9eb2e 100644 --- a/engine.js +++ b/engine.js @@ -1,30 +1,169 @@ +var gamedata = {}; +var gfx = {}; + +function Textfile(txtfile) { + var lines, fetch = new XMLHttpRequest(); + fetch.open("GET", txtfile, false); + fetch.send(); + + var line, key, value, ref = this, section; + for (line of fetch.responseText.split('\n')) switch(true) { + case /^\[.*\]$/.test(line): + section = line.split(/[\]\[]/)[1]; ref = {}; + if (!this[section]) this[section] = ref; + else if (!Array.isArray(this[section])) this[section] = [this[section],ref]; + else if ( Array.isArray(this[section])) this[section].push(ref); + break; + case /^frame=[0-9]+,[0-7](,[0-9-]+){6}$/.test(line): + key = line.split(/[=,]/).slice(1,3); value = line.split(/,/).slice(-6); + if (!ref.frame) ref.frame = []; + if (!ref.frame[key[0]]) ref.frame[key[0]] = []; + ref.frame[key[0]][key[1]] = value.map(x => parseInt(x)); + break; + case /^layer=[0-9]+,/.test(line): + key = line.split(/[=,]/)[1]; value = line.split(/,/).slice(1); + if (!ref.layer) ref.layer = []; ref.layer[key] = value; + break; + case /^data=$/.test(line): + ref.data = []; + break; + case /^[0-9,]+,$/.test(line): + value = line.split(/,/).slice(0,-1); + ref.data = ref.data.concat(value); + break; + case /^[0-9,]+$/.test(line): + value = line.split(/,/); + ref.data = ref.data.concat(value); + ref.data = ref.data.map(x => parseInt(x)); + break; + case /^tile=[0-9]+,/.test(line): + key = line.split(/[=,]/)[1]; value = line.split(/,/).slice(1); + if (!ref.tile) ref.tile = []; ref.tile[key] = value.map(x => parseInt(x)); + break; + case /^animation=[0-9]+;.*;$/.test(line): + key = line.split(/[=;]/)[1]; value = line.split(/;/).slice(1,-1); + value = value.map(x => x.split(/,/)); + value.forEach(x => x[2] = parseInt(x[2])); + if (!ref.animation) ref.animation = []; ref.animation[key] = value; + break; + case /^duration=[0-9]+ms$/.test(line): + ref["duration"] = line.split(/=|ms$/)[1]; + break; + case /^duration=[0-9]+s$/.test(line): + ref["duration"] = line.split(/=|s$/)[1] * 1000; + break; + case /^[^#].*=[0-9]+$/.test(line): + key = line.split(/[=]/)[0]; value = line.split(/=/).slice(1) * 1; + if (!ref[key]) ref[key] = value; + else if (!Array.isArray(ref[key])) ref[key] = [ref[key],value]; + else if ( Array.isArray(ref[key])) ref[key].push(value); + break; + case /^[^#].*=.+$/.test(line): + key = line.split(/[=]/)[0]; value = line.split(/=/).slice(1).join("="); + if (!ref[key]) ref[key] = value; + else if (!Array.isArray(ref[key])) ref[key] = [ref[key],value]; + else if ( Array.isArray(ref[key])) ref[key].push(value); + break; + } +} + +function Map(textdef) { + this.frametime = performance.now(); + if (gamedata[textdef]) this.info = gamedata[textdef]; + else gamedata[textdef] = this.info = new Textfile(textdef); + if (gamedata[this.info.header.tileset]) this.tileset = gamedata[this.info.header.tileset]; + else gamedata[this.info.header.tileset] = this.tileset = new Textfile(this.info.header.tileset); + if (! gfx[this.tileset.img]) { + gfx[this.tileset.img] = document.createElement("img"); + 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 + 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.center = function(x, y) { + posx = canvas.canvas.width / 2 - x; + posy = canvas.canvas.height / 2 - y; + return this; + } + + 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); + + 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) { + var t = this.tileset.tile[tile]; + var 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 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]); + } + } +} + function Mob(textdef) { + if (! gamedata[textdef]) gamedata[textdef] = new Textfile(textdef); + this.info = gamedata[textdef]; this.direction = 0; this.position = [0, 0]; - this.info = gamedata[textdef]; this.animation = "stance"; this.previous_animation = ""; this.frametime = performance.now(); - this.image = document.querySelector("img[src='"+ this.info.image +"']"); + if (! gfx[this.info.image]) { + gfx[this.info.image] = document.createElement("img"); + gfx[this.info.image].setAttribute("src", this.info.image); + } - this.place = function(x, y) { this.position = [x, y]; } - this.direct = function(d) { this.direction = d % 8; } + this.place = function(x, y) { this.position = [x, y]; return this; } + this.direct = function(d) { this.direction = d % 8; return this; } this.animate = function(a) { this.previous_animation = this.animation; this.animation = a; this.frametime = performance.now(); + 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.length / a.duration | 0; + var frame = ( performance.now() - this.frametime ) * a.frames / a.duration | 0; switch(a.type){ case "looped": - frame = frame % a.frames.length; + frame = frame % a.frames; break; case "play_once": - if ( frame >= a.frames.length ){ + if ( frame >= a.frames ){ this.animation = this.previous_animation; this.previous_animation = ""; this.frametime = performance.now(); @@ -33,28 +172,109 @@ function Mob(textdef) { } break; case "back_forth": - frame = frame % (a.frames.length * 2 - 2); - if ( frame >= a.frames.length ){ - frame = a.frames.length - frame % a.frames.length - 1; + frame = frame % (a.frames * 2 - 2); + if ( frame >= a.frames ){ + frame = a.frames - frame % a.frames - 1; } break; default: break; } - f = a.frames[frame][this.direction]; + f = a.frame[frame][this.direction]; - canvas.clearRect(0,0, 640, 480); - canvas.drawImage(this.image, f[0], f[1], f[2], f[3], - this.position[0] - f[4], this.position[1] - f[5], + canvas.drawImage(gfx[this.info.image], f[0], f[1], f[2], f[3], + x - f[4], y - f[5], f[2], f[3]); + } - // var fetch = new XMLHttpRequest(); - // fetch.open("GET", textdef, false); fetch.send(); - // this.description = fetch.responseText.split('\n'); + this.block = function() { this.animate("block" ); return this; }; + this.cast = function() { this.animate("cast" ); return this; }; + this.die = function() { this.animate("die" ); return this; }; + this.hit = function() { this.animate("hit" ); return this; }; + this.run = function() { this.animate("run" ); return this; }; + this.shoot = function() { this.animate("shoot" ); return this; }; + this.stance = function() { this.animate("stance"); return this; }; + this.swing = function() { this.animate("swing" ); return this; }; +} + +function Hero(gender = "female", hair = "short"){ + this.position = [0,0]; this.direction = 0; + this.hair = (gender == "female")?"long":hair; + this.animation = "stance"; + + if (! gamedata["/engine/hero_layers.txt"]) + gamedata["/engine/hero_layers.txt"] = new Textfile("/engine/hero_layers.txt"); + this.limbs = { + head: new Mob("/animations/avatar/"+gender+"/head_"+this.hair+".txt"), + chest: new Mob("/animations/avatar/"+gender+"/default_chest.txt"), + hands: new Mob("/animations/avatar/"+gender+"/default_hands.txt"), + legs : new Mob("/animations/avatar/"+gender+"/default_legs.txt"), + feet : new Mob("/animations/avatar/"+gender+"/default_feet.txt"), + main : new Mob("/animations/avatar/"+gender+"/dagger.txt"), + off : new Mob("/animations/avatar/"+gender+"/shield.txt") } + + this.dress = function(limb, item) { + this.limbs[limb] = new Mob("/animations/avatar/"+gender+"/"+item+".txt") + this.limbs[limb].place(this.position[0], this.position[1]).direct(this.direction); + this.animate(this.animation); + return this; + } + + this.place = function(x,y) { + this.position = [x,y]; + for (var limb in this.limbs) this.limbs[limb].place(x,y); + return this; + } + this.direct = function(d) { + this.direction = d; + for (var limb in this.limbs) this.limbs[limb].direct(d); + return this; + } + this.animate = function(anim){ + this.animation = anim; + for (var limb in this.limbs) this.limbs[limb].animate(anim); + return this; + } + this.draw = function(x, y){ + gamedata["/engine/hero_layers.txt"].layer[this.direction].forEach(limb => this.limbs[limb].draw(x, y)); + return this; + } + + this.block = function() { this.animate("block" ); return this; }; + this.cast = function() { this.animate("cast" ); return this; }; + this.die = function() { this.animate("die" ); return this; }; + this.hit = function() { this.animate("hit" ); return this; }; + this.run = function() { this.animate("run" ); return this; }; + this.shoot = function() { this.animate("shoot" ); return this; }; + this.stance = function() { this.animate("stance"); return this; }; + this.swing = function() { this.animate("swing" ); return this; }; } -canvas = document.getElementById("view").getContext("2d"); -player = new Mob("/animations/avatar/male/clothes.txt"); -player.place(320, 240); +document.querySelector("body").setAttribute("style", "margin: 0; padding: 0;"); +canvas = document.createElement("canvas").getContext("2d"); +canvas.canvas.setAttribute("style", "display: block; border: 0; margin: 0; padding: 0;"); +document.querySelector("body").appendChild(canvas.canvas); + +canvas.canvas.width = window.innerWidth; +canvas.canvas.height = window.innerHeight; +window.addEventListener("resize", function(){ + canvas.canvas.width = window.innerWidth; + canvas.canvas.height = window.innerHeight; +}); + +player = new Hero().place(20 * 64 , 20 * 32).direct(5); +map = new Map("/maps/arrival.txt"); + +setInterval (function() { map.center(player.position[0], player.position[1]).draw([player]);}, 33.33 ); -setInterval( function() { player.draw(); }, 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)]; +// });