X-Git-Url: http://git.plutz.net/?a=blobdiff_plain;f=engine.js;h=459a9dd6057e358ba3715e7b63451854c26e46cb;hb=2dfe049d1c5a406c241106aa493b6f601e2bf2d7;hp=281debb31e155269170142f810db6fec38759612;hpb=b31d4148dec78787850d73a1356126bd6a4ced5f;p=flarejs diff --git a/engine.js b/engine.js index 281debb..459a9dd 100644 --- a/engine.js +++ b/engine.js @@ -2,6 +2,7 @@ var gamedata = { // associative array for gamedata files load: function(def) { return this[def] ? this[def] : this[def] = new Textfile(def); } } + var gfx = { // associative array for game graphics load: function(def) { @@ -11,7 +12,13 @@ var gfx = { } return this[def]; } -}; +} + +// map object is global +var map; + +// quest status +var qstatus = {}; function Textfile(txtfile) { // fetch and parse gamedata file into structured object @@ -79,22 +86,31 @@ function Textfile(txtfile) { break; // frame duration from animation file (im millisec) case /^duration=[0-9]+ms$/.test(line): - ref["duration"] = line.split(/=|ms$/)[1]; + ref.duration = line.split(/=|ms$/)[1]; break; // frame duration from animation file (in whole seconds) case /^duration=[0-9]+s$/.test(line): - ref["duration"] = line.split(/=|s$/)[1] * 1000; + ref.duration = line.split(/=|s$/)[1] * 1000; break; - // general numeric value (key=#) - case /^[^#].*=[0-9]+$/.test(line): - key = line.split(/[=]/)[0]; value = line.split(/=/).slice(1) * 1; - if (!ref[key]) ref[key] = value; - else if (!Array.isArray(ref[key])) ref[key] = [ref[key],value]; - else if ( Array.isArray(ref[key])) ref[key].push(value); + // mapmod events + case /^mapmod=.*$/.test(line): + ref.mapmod = line.split(/[=]/)[1].split(/[;]/).map( m => m.split(/[,]/).map( n => n * 1 ? n * 1 : n) ); + break; + // status array used in events + case /^(requires_status|requires_not_status|set_status|unset_status)=.*$/.test(line): + key = line.split(/[=]/)[0]; value = line.split(/[=]/)[1]; + ref[key] = value.split(/[,]/); + break; + // general array type, will not be aggregated + case /^[^#].*=.*,.*$/.test(line): + key = line.split(/[=]/)[0]; value = line.split(/[=]/)[1].split(/,/); + ref[key] = value.map(m => m * 1 ? m * 1 : m); // parse numerics break; - // general key=value (non-numeric or non-scalar) + // general key=value case /^[^#].*=.+$/.test(line): - key = line.split(/[=]/)[0]; value = line.split(/=/).slice(1).join("="); + key = line.split(/[=]/)[0]; + value = line.split(/=/).slice(1).join("="); + value = value * 1 ? value * 1 : value; // try to parse as numeric 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); @@ -125,25 +141,40 @@ function Map(textdef) { } const npcs = []; - for (let def of this.info.npc) { - let npc = new Npc(def.filename) - let loc = def.location.split(',')[1] * 1 * w + def.location.split(',')[0] * 1; - npc.place(dx[loc], dy[loc]); - npcs[loc] = npc; + if (this.info.npc) for (let def of this.info.npc) { + let loc = def.location[1] * w + def.location[0]; + npcs[loc] = new Npc(def.filename) + npcs[loc].place(dx[loc], dy[loc]); this.info.layer.find(l => l.type == "collision").data[loc] = 1; } + this.triggers = []; + for ( let ev of this.info.event.filter(e => e.activate == "on_trigger") ) { + for (let x = ev.location[0]; x < ev.location[0] + ev.location[2]; x++) + for (let y = ev.location[1]; y < ev.location[1] + ev.location[3]; y++) { + let loc = y * w + x; + if (!this.triggers[loc]) this.triggers[loc] = []; + this.triggers[loc].push(ev); + } + } + // tile index for pixel position on map this.tileAt = function(x, y) { var r = (y + th / 2) / th; var c = (x - w * tw /2) / tw; var nx = r + c |0; var ny = r - c |0; return ny * w + nx; } + this.tileX = (x,y) => this.tileAt(x,y) % w; + this.tileY = (x,y) => this.tileAt(x,y) / w |0; // vice versa the pixel coordinates of a given map tile - this.positionOf = tile => [dx[tile], dy[tile]]; - this.xOf = tile => dx[tile]; - this.yOf = tile => dy[tile]; + this.positionOf = (tl, ty = -1) => (~ty) ? [dx[ty * w + tl], dy[ty * w + tl]] : [ dx[tl], dy[tl] ]; + this.xOf = (tl, ty = -1) => (~ty) ? dx[ty * w + tl] : dx[tl]; + this.yOf = (tl, ty = -1) => (~ty) ? dy[ty * w + tl] : dy[tl]; + + // map pixel for given screen pixel + this.mapX = x => x - posx; + this.mapY = y => y - posy; // center map to pixel position (by setting drawing offsets) this.center = function(x, y) { @@ -188,9 +219,11 @@ function Map(textdef) { if (t && f) { frame = ((performance.now() - frametime) / f[0][2] |0) % f.length; + if ( x + t[2] - t[4] > 0 && y + t[3] - t[5] > 0 && x - t[4] < canvas.canvas.width && y - t[5] < canvas.canvas.height) canvas.drawImage(gfx[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) { + if ( x + t[2] - t[4] > 0 && y + t[3] - t[5] > 0 && x - t[4] < canvas.canvas.width && y - t[5] < canvas.canvas.height) canvas.drawImage(gfx[tileset.img], t[0], t[1], t[2], t[3], x - t[4], y - t[5], t[2], t[3]); } @@ -213,8 +246,7 @@ function Mob(textdef) { // assume, that we can just loop horizontally over the image if (!info[animation].frame){ info[animation].frame = []; - let rs = info.render_size.split(/,/); rs = [ rs[0] * 1, rs[1] * 1 ]; - let ro = info.render_offset.split(/,/); ro = [ ro[0] * 1, ro[1] * 1 ]; + let rs = info.render_size, ro = info.render_offset; for (let i = 0; i < info[animation].frames; i++ ) info[animation].frame[i] = [[ i * rs[0], 0, rs[0], rs[1], ro[0], ro[1]]]; @@ -366,7 +398,7 @@ function Hero(gender = "female", hair = "short"){ this.swing = () => this.animate("swing" ); } -function Controls(hero, map){ +function Controls(hero){ // processes keyboard / touch / mouse // causes according player actions // single player only, conrol will be assigned to server in multi player @@ -376,11 +408,11 @@ function Controls(hero, map){ left: 65, altleft: 37, right: 68, altright: 39, } - var keys = []; - var col = map.info.layer.find(l => l.type == "collision").data; + var keys = [], click = []; window.addEventListener("keydown", e => keys[e.keyCode] = true ); window.addEventListener("keyup" , e => keys[e.keyCode] = false); + window.addEventListener("click", m => click = [ map.mapX(m.clientX), map.mapY(m.clientY) ] ); setInterval(() => input(), 33.33) // cause player to walk, processes blocked terrain and player speed @@ -393,6 +425,7 @@ function Controls(hero, map){ var dx = x * sx, hx = hero.position[0]; var dy = y * sy, hy = hero.position[1]; var f = 2.1; + const col = map.info.layer.find(l => l.type == "collision").data; if (col[map.tileAt(hx + dx, hy + dy)] == 0 ) hero.place(hx + dx, hy + dy); @@ -407,6 +440,45 @@ function Controls(hero, map){ else player.stance(); map.center(hero.position[0], hero.position[1]); + triggers(hero.position[0], hero.position[1]); + } + + // Process on_trigger events at pixel position x/y + function triggers(x, y) { + const i = map.tileAt(x,y); + var trigger, item; + + if (map.triggers[i]) for ( trigger of map.triggers[i].filter( + t => (!t.requires_status) ? true : t.requires_status.find(s => qstatus[s]) + ).filter( t => (!t.requires_not_status) ? true : !t.requires_not_status.find(s => qstatus[s]) ) + ) { + // game status modification + if ( trigger.set_status ) for (item of trigger.set_status) { + qstatus[item] = true; + } + if ( trigger.unset_status ) for (item of trigger.unset_status) { + qstatus[item] = false; + } + if ( item = trigger.msg ) { + console.log(item); + } + // intramap (i.e. teleporters) + if ( item = trigger.intramap ){ + hero.place( map.xOf(item[0], item[1]), map.yOf(item[0], item[1]) ); + map.center( map.xOf(item[0], item[1]), map.yOf(item[0], item[1]) ); + } + // mapmod (e.g. opening doors, activating platforms, changing terrain, ...) + if ( trigger.mapmod ) for (item of trigger.mapmod) { + map.info.layer.find(l => l.type == item[0]).data[item[2] * map.info.header.width + item[1]] = item[3]; + } + // intermap (i.e. enter new area) + if ( item = trigger.intermap ){ + map = new Map(item[0]); + hero.place( map.xOf(item[1], item[2]), map.yOf(item[1], item[2]) ); + map.center( map.xOf(item[1], item[2]), map.yOf(item[1], item[2]) ); + break; // further events would not be valid on new map + } + } } // process input and decide on according action @@ -427,6 +499,17 @@ function Controls(hero, map){ hero.direct(dir[k]).run(); translate(trans[dir[k]][0], trans[dir[k]][1]); } else hero.stance(); + + if (click[0]) { + let hx = map.tileX(hero.position[0], hero.position[1]); + let hy = map.tileY(hero.position[0], hero.position[1]); + let cx = map.tileX(click[0], click[1]); + let cy = map.tileY(click[0], click[1]); + if ( (cx == hx - 1 || cx == hx + 1 || cx == hx) + && (cy == hy - 1 || cy == hy + 1 || cy == hy)) + triggers(click[0], click[1]); + click = []; + } } } @@ -444,12 +527,12 @@ window.addEventListener("resize", function(){ // player = new Mob("animations/enemies/zombie.txt"); player.stats = { speed: 3 }; player = new Hero(); -map = new Map("/maps/arrival.txt"); -player.place(map.xOf(map.info.header.hero_pos.split(',')[1] * 1 * map.info.header.width + map.info.header.hero_pos.split(',')[0] * 1), - map.yOf(map.info.header.hero_pos.split(',')[1] * 1 * map.info.header.width + map.info.header.hero_pos.split(',')[0] * 1)); +map = new Map("/maps/perdition_harbor.txt"); +player.place(map.xOf(map.info.header.hero_pos[0], map.info.header.hero_pos[1]), + map.yOf(map.info.header.hero_pos[0], map.info.header.hero_pos[1])); player.direct(6).stance(); map.center(player.position[0], player.position[1]); -c = new Controls(player, map); +c = new Controls(player); setInterval (() => map.draw([player]), 33.33 );