aqualogue/level/Level.js
2016-06-25 19:39:20 -05:00

815 lines
No EOL
20 KiB
JavaScript

Level = function(levelName) {
var level = Scene();
var camera = {
x: 0,
y: 0,
z: 0,
angle: 0,
fwdX: 0,
fwdY: 0,
momx: 0,
momy: 0,
oldangle: 0
};
level.map = LevelDatabase[levelName];
level.saveData = Memory.stage(levelName);
// Scroll planes
var background = ScrollPlane(0, 0, 360, 1, level.map.background.width, 0, "bg-" + level.map.background.image, 131);
var waterBack = ScrollPlane(0, 20, 1, 1, 0, 0, "waterback", 130);
var waves = [];
for (var i = 1024; i > 150; i *= 0.85) {
waves.push(ScrollPlane(
i, -3000/i, 40, 250/i, (i)/2, (Math.random()*300-150)/i, "water", Math.round(i/8)
));
}
// Constant level tint
var tint;
if (level.map.tint) {
tint = new PIXI.Graphics();
tint.beginFill(level.map.tint.rgb || 0);
tint.drawRect(0, 0, 8, 8);
tint.endFill();
tint.alpha = level.map.tint.a || 0.25;
tint.blendMode = PIXI.BLEND_MODES[level.map.tint.effect] || PIXI.BLEND_MODES.NORMAL;
tint.scale.set(500/8, 280/8);
}
// Boss
var boss;
// Wipe in/out graphic
var wipe = level.wipe = new PIXI.Graphics();
wipe.beginFill(0x000000);
wipe.drawPolygon([
new PIXI.Point(0, 0),
new PIXI.Point(-10, 28),
new PIXI.Point(53, 28),
new PIXI.Point(63, 0)
]);
wipe.endFill();
wipe.scale.set(10, 10);
// A set of blocks that entities are contained in.
// Blocks two grid spaces away (in a square, corners excluded) from the camera
// are thunk and rendered in a frame.
var entityGrid = {};
function getGridIndex(x, y) {
return Math.floor(x/600) + Math.floor(y/600)*512;
// If a map is bigger than 200k pixels one way then you have other problems.
}
var dolphin;
level.init = function() {
level.stage.addChild(background.plane);
level.stage.addChild(waterBack.plane);
waves.forEach(function(p) {
level.stage.addChild(p.plane);
});
var spawn = Memory.getDolphin() || level.map.spawn;
dolphin = Dolphin(level, spawn.axis, spawn.position, spawn.z);
if (spawn.momx || spawn.momy) {
dolphin.momentum.x = spawn.momx;
dolphin.momentum.y = spawn.momy;
}
placeEntityInGrid(dolphin);
camera.x = dolphin.position.x;
camera.y = dolphin.position.y;
initParaloop();
level.map.rocks.forEach(function(rock) {
if (rock.bossonly && Memory.global.bossClear) {
return; // Don't spawn this rock any more.
}
var obj = Rock(level, rock.x, rock.y, rock.z, rock.type);
placeEntityInGrid(obj);
if (level.editor) {
var info = rock;
obj.editorremove = function() {
level.map.rocks.splice(level.map.rocks.indexOf(info), 1);
obj.position.x = -99999;
}
}
});
level.map.keys.forEach(function(key, index) {
if (level.editor || !level.saveData.keys[index]) {
placeEntityInGrid(Key(level, key.x, key.y, key.z, index, key.color));
}
});
level.map.doors.forEach(function(door, index) {
if (level.editor || !level.saveData.doors[index]) {
placeEntityInGrid(Door(level, door.x, door.y, door.z, index, door.color));
}
});
level.map.transitions.forEach(function(trans) {
var obj = Transition(level, trans.position, trans.bbox, trans.destination);
placeEntityInGrid(obj);
if (level.editor) {
var info = trans;
obj.editorremove = function() {
level.map.transitions.splice(level.map.rocks.indexOf(info), 1);
obj.position.x = -99999;
}
}
});
if (tint) {
level.stage.addChild(tint);
}
level.stage.addChild(wipe);
if (level.map.music && level.map.music != "none" && level.map.music != Music.current
&& !(level.map.music == "boss" && Memory.global.bossClear)
) {
Music.play(level.map.music);
}
// Save crystal.
if (level.map.save) {
var crystal = Entity(level, 1000, 1000, -111);
crystal.addSprite("spr", Renderer.sprite("save"));
crystal.currentSprite("spr");
crystal.save = true;
placeEntityInGrid(crystal);
}
// Rescuee.
if (RescueDatabase[levelName] && !level.saveData.rescued) {
var r = Rescuee(level, RescueDatabase[levelName], dolphin);
placeEntityInGrid(r);
if (r.bubble) {
placeEntityInGrid(r.bubble);
placeEntityInGrid(r.barrier);
}
} else if (levelName == "Intro" && Memory.global.bossClear) {
placeEntityInGrid(Rescuee(level, RescueDatabase.Post, dolphin));
}
// Boss.
if (level.map.boss && !Memory.global.bossClear) {
boss = Boss(
level,
dolphin.position.x + Math.cos(dolphin.angle) * 250,
dolphin.position.y + Math.sin(dolphin.angle) * 250,
dolphin.position.z,
level.map.boss,
dolphin
);
placeEntityInGrid(boss);
boss.arms.forEach(function(arm) {
arm.forEach(function(piece) {
placeEntityInGrid(piece);
});
});
var texts = {
"Boss 1": " THIS IS THE BEGINNING OF YOUR END.",
"Boss 2": " GIVE UP! YOUR KINGDOM IS MINE.",
"Boss 3": " ABANDON HOPE.",
};
var t = Renderer.typewriterText(texts[levelName] || "", 60, 220);
level.stage.addChild(t);
t.tint = 0xFF0000;
window.setTimeout(function() {
level.stage.removeChild(t);
}, 8000);
}
}
var paused = Renderer.text("Pause", 220, 20);
level.paused = function() {
if (Input.pressed("cancel")) {
level.think = level.unpaused;
Music.paused(false);
level.stage.removeChild(paused);
}
}
level.think = level.unpaused = function() {
if (Input.pressed("cancel")) {
level.think = level.paused;
dolphin.activeSprite.speed(0);
Music.paused(true);
level.stage.addChild(paused);
return;
}
eachEntity(function(entity) {
if (entity.think) {
entity.think();
}
placeEntityInGrid(entity);
});
doParaloop();
cameraThinker();
if (level.editor) {
levelEditor();
}
if (wipe.x < 600) {
wipe.x += 15;
if (wipe.x > -30 && wipe.newlevel) {
if (Memory.stage() == "Boss 3" && Memory.global.bossClear) {
Memory.storeDolphin(0, 200, -800, 0, -1);
Game.setScene(Level("Ending"));
} else if (Memory.stage() == "Boss 1" && !Memory.global.bossStarted) {
Memory.global.bossStarted = true;
Game.setScene(Cutscene("boss"));
} else if (Memory.stage() == "Intro" && levelName == "Ending") {
Memory.save();
Game.setScene(Cutscene("ending"));
} else {
Memory.loadStage();
}
}
}
if (level.map.save && !level.saved && dolphin.position.z < -30 && dolphin.momentum.y > 0) {
level.saved = true;
if (level.ticCount > 10) {
Memory.storeDolphin(dolphin.axis.current, dolphin.axis.position,
dolphin.position.z, dolphin.momentum.x, dolphin.momentum.y);
Memory.save();
SFX.play("save");
// Special ending.
if (levelName == "Save 5") {
Game.setScene(Ending());
}
var text = Renderer.text("Your adventure has been saved.", 140, 200)
level.stage.addChild(text);
var fade = new PIXI.Graphics;
fade.beginFill(0xFFFFFF);
fade.drawRect(0, 0, 500, 280);
fade.endFill();
function fadeout() {
fade.alpha -= 0.01;
if (fade.alpha > 0) {
window.setTimeout(fadeout, 20);
} else {
window.setTimeout(function() {
level.stage.removeChild(text);
}, 2000);
}
}
fadeout();
level.stage.addChild(fade);
}
}
}
level.moveLevels = function() {
wipe.x = -630;
wipe.newlevel = true;
}
function cameraThinker() {
if (camera.boss) {
camera.angle = Math.atan2(boss.position.y - camera.y, boss.position.x - camera.x);
return;
}
// Camera thinker.
var targetX, targetY;
camera.fwdX += (dolphin.momentum.x/30 - camera.fwdX) / 32;
camera.fwdY += (dolphin.momentum.y*8 - camera.fwdY) / 32;
targetX = dolphin.position.x - 250*Math.cos(dolphin.angle);
targetY = dolphin.position.y - 250*Math.sin(dolphin.angle);
camera.x += camera.momx = (targetX - camera.x) / 4;
camera.y += camera.momy = (targetY - camera.y) / 4;
camera.z = dolphin.position.z + camera.fwdY;
camera.angle = Math.atan2(dolphin.position.y - camera.y, dolphin.position.x - camera.x)
+ camera.fwdX;
}
level.render = function(frames) {
if (level.think == level.paused) return;
eachEntity(function(entity) {
if (!entity.activeSprite) {
return;
}
var sprite = entity.activeSprite;
sprite.visible = false;
// If we're too far vertically, don't bother.
if (Math.abs(entity.position.z - camera.z) > 700) {
return;
}
// Start with the angle and distance for the entity.
var xdist, ydist,
angle, distance;
xdist = entity.position.x - camera.x;
ydist = entity.position.y - camera.y;
angle = (Math.atan2(ydist, xdist) - camera.angle + Math.PI * 3) % (2 * Math.PI) - Math.PI;
distance = Math.sqrt(ydist*ydist + xdist*xdist);
if (distance > 1024 || distance < 16 || Math.abs(angle) > Math.PI/3) {
// Not in the viewport.
return;
}
if ((entity.position.z > 0) != (camera.z > 0)
&& Math.abs(camera.z) > 120 && distance > 300) {
// On the wrong side of the water.
return;
}
// In the viewport.
sprite.visible = true;
sprite.alpha = Math.min(4 - (distance/256), 1);
distance *= Math.cos(angle);
// Get screen position and scale.
var scrX, scrY, scrScale;
scrX = (Math.tan(angle) * 250) + 250;
scrScale = 250/distance;
scrY = (entity.position.z - camera.z)*scrScale + 150;
// Set sprite position.
sprite.position.set(scrX, scrY);
sprite.scale.set(scrScale, scrScale);
// Use distance to sort.
sprite.ZINDEX = Math.round(distance/8);
var index = level.stage.getChildIndex(sprite);
try {
while (index > 0 && (level.stage.getChildAt(index-1).ZINDEX || 0) < sprite.ZINDEX) {
index--;
}
while (level.stage.getChildAt(index+1).ZINDEX > sprite.ZINDEX) {
index++;
}
} catch (e) {}
level.stage.setChildIndex(sprite, index);
// Save cheating.
if (entity.save) {
sprite.scale.set(scrScale*2, scrScale*2);
}
});
// Scroll planes
var xScroll = Math.sqrt(camera.momx*camera.momx + camera.momy*camera.momy)
* Math.sin(Math.atan2(camera.momy, camera.momx)-camera.angle);
var turn = camera.angle - camera.oldangle;
camera.oldangle = camera.angle;
turn = (turn + Math.PI * 3) % (2 * Math.PI) - Math.PI;
waves.forEach(function(p) {
p.plane.tilePosition.x -= (xScroll*p.moveFactor) + (turn*p.turnFactor) - p.driftFactor;
p.plane.position.y = 150 - camera.z*p.moveFactor + p.z;
});
waterBack.plane.position.y = Math.max(0, Math.min(150-(camera.z/5), 170-(camera.z*1.5)));
waterBack.plane.scale.y = 280 - waterBack.plane.position.y;
background.plane.position.y = (camera.z/-6)-160;
background.plane.tilePosition.x = (camera.angle/(-2*Math.PI)) * background.turnFactor;
// Keys
renderKeys();
}
level.end = function() {
}
level.colliding = function(object, tag, excludes) {
if (level.editor) { return; }
excludes = excludes || [];
var xoffs = object.position.x % 600 > 300 ? 1 : -1;
var yoffs = object.position.y % 600 > 300 ? 512 : -512;
var start = getGridIndex(object.position.x, object.position.y);
try {
([start, start+xoffs, start+yoffs, start+xoffs+yoffs]).forEach(function(pos) {
if (entityGrid[pos]) {
entityGrid[pos].forEach(function(target) {
if (!target.bbox || target.bbox.tag != tag) {
return;
}
if (Math.abs(target.position.x - object.position.x)
> target.bbox.x + object.bbox.x) {
return;
}
if (Math.abs(target.position.y - object.position.y)
> target.bbox.y + object.bbox.y) {
return;
}
if (Math.abs(target.position.z - object.position.z)
> target.bbox.z + object.bbox.z) {
return;
}
if (excludes.indexOf(target) != -1) {
return;
}
throw target;
});
}
});
} catch (toucher) {
return toucher;
}
return false;
}
function placeEntityInGrid(entity) {
var grid;
var gridpos = getGridIndex(entity.position.x, entity.position.y);
if (entity.gridPosition != gridpos) {
// Remove from old.
if (entity.gridPosition !== undefined) {
grid = entityGrid[entity.gridPosition];
var pos = grid.indexOf(entity);
grid.splice(pos, 1);
}
// Add to new.
grid = (entityGrid[gridpos] || (entityGrid[gridpos] = []));
entity.gridPosition = gridpos;
grid.push(entity);
}
}
function eachEntity(callback) {
const offsets = [
-1025, -1024, -1023,
-514, -513, -512, -511, -510,
-2, -1, 0, 1, 2,
510, 511, 512, 513, 514,
1023, 1024, 1025
];
var pos = getGridIndex(camera.x, camera.y);
// Build up an array separately so that we can modify the entity arrays during the callback.
var objs = [];
offsets.forEach(function(offset) {
if (entityGrid[pos+offset]) {
entityGrid[pos+offset].forEach(function(entity) {
objs.push(entity);
});
}
});
objs.forEach(callback);
}
// Paraloop stuff starts here
var paraloopObjs = [];
var paraloopLength = 42;
var paraloopPos = 0;
function initParaloop() {
for (var i = 0; i < paraloopLength; i++) {
var obj = Entity(level, -99999, -99999, -99999);
obj.addSprite("spr", Renderer.sprite("loopstar"));
obj.currentSprite("spr");
paraloopObjs.push(obj);
}
}
function doParaloop() {
if (level.ticCount % 4) {
return;
}
var obj = paraloopObjs[paraloopPos];
obj.position.x = dolphin.position.x;
obj.position.y = dolphin.position.y;
obj.position.z = dolphin.position.z;
placeEntityInGrid(obj);
var check = paraloopPos;
do {
check = (check+1) % paraloopLength;
var star = paraloopObjs[check];
if (
Math.abs(star.position.x - dolphin.position.x) < 36 &&
Math.abs(star.position.y - dolphin.position.y) < 36 &&
Math.abs(star.position.z - dolphin.position.z) < 36
) {
checkParaloop(check);
break;
}
} while (check != paraloopPos);
paraloopPos++; paraloopPos %= paraloopLength;
}
function checkParaloop(pos) {
if (level.editor) { return; }
var loopLen = (paraloopPos - pos + paraloopLength) % paraloopLength;
if (loopLen < 4) {
return;
}
var origPos = pos;
var minX, maxX, minY, maxY, minZ, maxZ;
minX = maxX = paraloopObjs[pos].position.x;
minY = maxY = paraloopObjs[pos].position.y;
minZ = maxZ = paraloopObjs[pos].position.z;
while (pos != paraloopPos) {
pos = (pos+1) % paraloopLength;
var p = paraloopObjs[pos].position;
if (minX > p.x) minX = p.x;
if (maxX < p.x) maxX = p.x;
if (minY > p.y) minY = p.y;
if (maxY < p.y) maxY = p.y;
if (minZ > p.z) minZ = p.z;
if (maxZ < p.z) maxZ = p.z;
}
// Enforce a minimum loop size.
if (
(maxX - minX < 40 ? 1 : 0) +
(maxY - minY < 40 ? 1 : 0) +
(maxZ - minZ < 40 ? 1 : 0) > 1
) {
return;
}
// Loop again to find the radius.
var dist = 0, distnum = 0;
pos = origPos;
minX = (minX+maxX)/2;
minY = (minY+maxY)/2;
minZ = (minZ+maxZ)/2;
while (pos != paraloopPos) {
pos = (pos+1) % paraloopLength;
var p = paraloopObjs[pos].position;
var newDist = (p.x-minX)*(p.x-minX)
+ (p.y-minY)*(p.y-minY)
+ (p.z-minZ)*(p.z-minZ);
dist += Math.sqrt(newDist);
distnum++;
}
dist /= distnum;
// Enforce a minimum radius of 40 pixels.
if (dist < 40) {
return;
}
// Attract and clear out the paraloop.
paraloopObjs.forEach(function(obj) {
obj.position.x = -99999;
obj.position.y = -99999;
obj.position.z = -99999;
obj.activeSprite.visible = false;
});
attractCollectiblesToDolphin(minX, minY, minZ, dist*dist);
// Boss cheating.
if (levelName == "Boss 3" && Math.abs(minX) < 64 && Math.abs(minY) < 64 && !Memory.global.bossClear) {
Music.stop();
camera.boss = true;
Memory.global.bossClear = true;
boss.finish();
}
}
function attractCollectiblesToDolphin(x, y, z, sqdist) {
sqdist *= 0.7;
eachEntity(function(obj) {
if (!obj.attract) {
return;
}
var p = obj.position;
if (
(p.x-x)*(p.x-x) +
(p.y-y)*(p.y-y) +
(p.z-z)*(p.z-z) < sqdist
) {
obj.think = obj.attract;
obj.attractTarget = dolphin;
}
});
}
var keySprites = [];
function renderKeys() {
var index;
// Remove/reset
if (keySprites.length > Memory.global.keys.length) {
keySprites.forEach(function(key) {
level.stage.removeChild(key);
});
keySprites = [];
}
// Add
for (index = keySprites.length; index < Memory.global.keys.length; index++) {
var spr = Renderer.sprite("key-" + Memory.global.keys[index]);
spr.position.set(20 + 15*index, 28);
keySprites.push(spr);
level.stage.addChild(spr);
}
}
level.edit = function() {
level.editor = true;
if (typeof LEVELEDITORBOX == 'undefined') {
LEVELEDITORBOX = document.createElement('div');
LEVELEDITORBOX.style.backgroundColor = '#CCC';
LEVELEDITORBOX.style.minHeight = '100px';
LEVELEDITORBOX.style.whiteSpace = 'pre-wrap';
document.body.appendChild(LEVELEDITORBOX);
}
return level;
}
function levelEditor() {
var color =
Input.held("redkey") ? "red" :
Input.held("bluekey") ? "blue" :
Input.held("greenkey") ? "green" :
Input.held("yellowkey") ? "yellow" : "white";
if (pressOrTurbo("rocksm")) {
spawnRock("small");
}
if (pressOrTurbo("rockmed")) {
spawnRock("medium");
}
if (pressOrTurbo("rocklg")) {
spawnRock("large");
}
if (pressOrTurbo("rockwd")) {
spawnRock("wide");
}
function spawnRock(size) {
var info = {
x: Math.round(dolphin.position.x),
y: Math.round(dolphin.position.y),
z: Math.round(dolphin.position.z),
type: size
};
level.map.rocks.push(info);
var rock = Rock(level, info.x, info.y, info.z, info.type);
rock.editorremove = function() {
level.map.rocks.splice(level.map.rocks.indexOf(info), 1);
rock.position.x = -99999;
}
placeEntityInGrid(rock);
}
if (Input.pressed("key")) {
var info = {
x: Math.round(dolphin.position.x),
y: Math.round(dolphin.position.y),
z: Math.round(dolphin.position.z),
color: color
};
level.map.keys.push(info);
placeEntityInGrid(Key(level, info.x, info.y, info.z, level.map.keys.length-1, color));
}
if (Input.pressed("door")) {
var info = {
x: Math.round(dolphin.position.x),
y: Math.round(dolphin.position.y),
z: Math.round(dolphin.position.z),
color: color
};
level.map.doors.push(info);
placeEntityInGrid(Door(level, info.x, info.y, info.z, level.map.doors.length-1, color));
}
if (Input.pressed("transition")) {
var trans = {
position: {
x: dolphin.position.x,
y: dolphin.position.y,
z: dolphin.position.z
},
bbox: {x: 32, y: 32, z: 32}, destination: {
stage: "STAGE",
axis: 0,
position: 0,
z: 0,
momx: 0,
momy: 0
}
}
var obj = Transition(level, dolphin.position, trans.bbox, trans.destination);
placeEntityInGrid(obj);
obj.editorremove = function() {
level.map.transitions.splice(level.map.rocks.indexOf(trans), 1);
obj.position.x = -99999;
}
level.map.transitions.push(trans);
}
if (Input.held("remove")) {
eachEntity(function(obj) {
if (
obj.editorremove
&& Math.abs(obj.position.x - dolphin.position.x) < 18
&& Math.abs(obj.position.y - dolphin.position.y) < 18
&& Math.abs(obj.position.z - dolphin.position.z) < 18
) {
obj.editorremove();
}
});
}
if (Input.held("slow")) {
dolphin.momentum.x = Math.cos(dolphin.activeSprite.rotation)*2;
dolphin.momentum.y = Math.sin(dolphin.activeSprite.rotation)*2;
}
if (Input.held("fast")) {
dolphin.momentum.x = Math.cos(dolphin.activeSprite.rotation)*8;
dolphin.momentum.y = Math.sin(dolphin.activeSprite.rotation)*8;
}
if (Input.pressed("export")) {
level.map.spawn = {
axis: dolphin.axis.current,
position: Math.round(dolphin.axis.position),
z: Math.round(dolphin.position.z)
};
LEVELEDITORBOX.innerText = JSON.stringify(Input.held("redkey") ? level.map.spawn : level.map, null, "\t");
}
function pressOrTurbo(key) {
return Input.pressed(key) || (Input.held("fast") && Input.held(key) && !(level.ticCount % 4));
}
}
return level;
}