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webrunner-edit.js
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webrunner-edit.js
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// TODO zoom function!!
function adjustToScreen() {
var screenWidth = window.innerWidth;
var screenHeight = window.innerHeight;
TheWorld.canvasWidth = screenWidth * 0.7;
TheWorld.canvasHeight = screenHeight * 0.7;
$("#design-canvas").attr("width", TheWorld.canvasWidth);
$("#design-canvas").attr("height", TheWorld.canvasHeight);
$("#tools").css("max-width", screenWidth * 0.2);
$("#tools").attr("max-width", screenWidth * 0.2);
$("#tools").attr("width", screenWidth * 0.2);
redraw();
}
function showhide(id) {
var div = $("#" + id);
if (div.css("display") != "none") {
div.css("display", "none");
} else {
div.css("display", "block");
}
}
function GenericPlacementTool(cons) {
this._cons = cons;
// TODO this class duplicates a ton of code from GenericRectangleTool;
// factor that code out somehow.
}
GenericPlacementTool.prototype = {
currentPlatform: null,
mouseIsDown: false,
startX: 0,
startY: 0,
onMouseDown: function(x, y) {
var pt = worldCoords(x, y);
this.currentPlatform = TheWorld.getPlatformAt(pt.x, pt.y);
if (this.currentPlatform) {
// Already platform here? Start dragging it.
this.startX = pt.x - this.currentPlatform.left;
this.startY = pt.y - this.currentPlatform.top;
}
this.mouseIsDown = true;
},
onMouseMove: function(x, y) {
if (this.mouseIsDown && this.currentPlatform != null) {
// if you're dragging something, drag it:
var pt = worldCoords(x, y);
this.currentPlatform.left = pt.x - this.startX;
this.currentPlatform.top = pt.y - this.startY;
redraw();
} else {
// Otherwise draw a box to preview where the object
// will be added on a click
redraw();
var context = $("#design-canvas")[0].getContext("2d");
context.strokeStyle = "black";
context.strokeRect(x, y,
this._cons.prototype.width,
this._cons.prototype.height);
}
},
onMouseUp: function(x, y) {
var pt = worldCoords(x, y);
if (!this.currentPlatform) {
// Construct instance at this point, add it to TheWorld
var cons = this._cons;
var loader = new AssetLoader();
var obj = new cons(loader);
loader.loadThemAll( function() {
obj.boxInit(Math.floor(pt.x), Math.floor(pt.y),
cons.prototype.width, cons.prototype.height);
TheWorld.addForegroundObject(obj);
});
}
this.currentPlatform = null;
this.mouseIsDown = false;
}
};
function GenericRectangleTool(cons) {
// pass in a constructor for the class that this tool will create
this._cons = cons;
}
GenericRectangleTool.prototype = {
currentPlatform: null,
mouseIsDown: false,
startX: 0,
startY: 0,
defineRect: function(x, y) {
var left, top, width, height;
if (x < this.startX) {
left = x;
width = this.startX - x;
} else {
left = this.startX;
width = x - this.startX;
}
if (y < this.startY) {
top = y;
height = this.startY -y
} else {
top = this.startY;
height = y - this.startY;
}
return {l: Math.floor(left), t: Math.floor(top),
w: Math.floor(width), h: Math.floor(height)};
},
onMouseDown: function(x, y) {
var pt = worldCoords(x, y);
this.currentPlatform = TheWorld.getPlatformAt(pt.x, pt.y);
if (this.currentPlatform) {
// Already platform here? Start dragging it.
this.startX = pt.x - this.currentPlatform.left;
this.startY = pt.y - this.currentPlatform.top;
} else {
// No platform here? Start creating one.
this.startX = pt.x;
this.startY = pt.y;
}
this.mouseIsDown = true;
},
onMouseMove: function(x, y) {
if (this.mouseIsDown) { // TODO factor this out?
var pt = worldCoords(x, y);
if (this.currentPlatform != null) {
this.currentPlatform.left = pt.x - this.startX;
this.currentPlatform.top = pt.y - this.startY;
redraw();
} else {
redraw();
// draw preview (screen coordinates!)
var rect = this.defineRect(pt.x, pt.y);
var context = $("#design-canvas")[0].getContext("2d");
context.strokeStyle = "black";
context.strokeRect(TheWorld.worldXToScreenX(rect.l),
TheWorld.worldYToScreenY(rect.t),
rect.w, rect.h);
}
}
},
onMouseUp: function(x, y) {
var pt = worldCoords(x, y);
if (!this.currentPlatform) {
var rect = this.defineRect(pt.x, pt.y);
// Construct instance, add it to TheWorld
var plat = new this._cons();
plat.boxInit(rect.l, rect.t, rect.w, rect.h);
TheWorld.addForegroundObject(plat);
}
this.currentPlatform = null;
this.mouseIsDown = false;
}
};
var EraserTool = {
onMouseDown: function(x, y) {
},
onMouseMove: function(x, y) {
},
onMouseUp: function(x, y) {
var pt = worldCoords(x, y);
var plat = TheWorld.getPlatformAt(pt.x, pt.y);
if (plat) {
TheWorld.removeForegroundObject(plat);
}
}
};
var ScrollTool = {
lastX: 0,
lastY: 0,
mouseIsDown: false,
onMouseDown: function(x, y) {
this.mouseIsDown = true;
this.lastX = x;
this.lastY = y;
},
onMouseMove: function(x, y) {
if (this.mouseIsDown) {
TheWorld.xOffset -= (x - this.lastX);
TheWorld.yOffset -= (y - this.lastY);
this.lastX = x;
this.lastY = y;
redraw();
}
},
onMouseUp: function(x, y) {
this.mouseIsDown = false;
}
};
var StartTool = {
onMouseDown: function(x, y) {
},
onMouseMove: function(x, y) {
},
onMouseUp: function(x, y) {
var pt = worldCoords(x, y);
TheWorld.startX = pt.x;
TheWorld.startY = pt.y;
}
};
var GoalTool = {
onMouseDown: function(x, y) {
},
onMouseMove: function(x, y) {
},
onMouseUp: function(x, y) {
var pt = worldCoords(x, y);
TheWorld.goalArea.setBounds(pt.x, pt.y, 64, 64);
}
};
var g_selectedTool = ScrollTool;
function canvasCoords(evt) {
var xOffset = $("#design-canvas").offset().left;
var yOffset = $("#design-canvas").offset().top;
return {x: evt.pageX - xOffset,
y: evt.pageY - yOffset};
}
function worldCoords(x, y) {
return {x: TheWorld.screenXToWorldX(x),
y: TheWorld.screenYToWorldY(y)};
}
function redraw() {
var context = $("#design-canvas")[0].getContext("2d");
TheWorld.draw(context);
// mark start location, since world doesn't draw it:
context.strokeStyle = "black";
var x = TheWorld.worldXToScreenX(TheWorld.startX);
var y = TheWorld.worldYToScreenY(TheWorld.startY);
context.strokeRect(x, y, 64, 64);
context.strokeText("START", x + 5, y +32);
}
function saveChanges() {
// AJAX Post json data to save-level.py
var URL = "save-level.py";
var title = gup("level");
var i, objs;
var allData = {};
var worldData = [];
// Add all foreground and background objects:
objs = TheWorld.foregroundObjects;
for (i = 0; i < objs.length; i++) {
worldData.push({ x: objs[i].left,
y: objs[i].top,
width: objs[i].width,
height: objs[i].height,
type: objs[i].type});
}
objs = TheWorld.backgroundObjects;
for (i = 0; i < objs.length; i++) {
worldData.push({ x: objs[i].left,
y: objs[i].top,
width: objs[i].width,
height: objs[i].height,
type: objs[i].type});
}
// Add goal area:
var goal = TheWorld.goalArea;
worldData.push({ x: goal.left, y: goal.top, width: goal.width, height: goal.height,
type: "goal"});
allData.worldData = worldData;
// Add starting point:
allData.startX = TheWorld.startX;
allData.startY = TheWorld.startY;
// BG image and other URLs:
allData.bgUrl = $("#level-bg-url").val();
allData.tilesetUrl = $("#level-tileset-url").val();
allData.musicUrl = $("#level-music-url").val();
allData.goalUrl = $("#level-goal-url").val();
// Physics modifications:
allData.physicsConsts = {};
for (var prop in PhysicsConstants) {
var fieldVal = parseInt($("#" + prop).val());
allData.physicsConsts[prop] = isNaN(fieldVal) ?
PhysicsConstants[prop] : fieldVal;
}
allData.published = $("#publish").attr("checked") ? "true":"false";
$.ajax({type: "POST",
url: URL,
data: {levelName: title,
levelData: JSON.stringify(allData)},
success: function(data, textStatus, jqXHR) {
$("#debug").html(data);
},
error: function(data, textStatus, thing) {
$("#debug").html(thing);
},
dataType: "text"
});
$("#debug").html(JSON.stringify(allData));
$("#debug").html("Saving, don't close the page...");
}
function makeFancyButton(constructorName) {
// TODO instead of a radio button, name, and canvas, how about
// a single canvas with the image and name both on it, that acts like a button
// when you click anywhere
// TODO instead of using constructorName as the name, use a localized description
// TODO images for the scroll, startloc, and eraser tools?
var button = $("<input></input>");
button.attr("type", "radio");
button.attr("name", "tools");
button.attr("value", constructorName);
button.attr("id", constructorName);
var label = $("<label></label>");
label.attr("for", constructorName);
label.html(constructorName + " tool");
var cons = ConstructorRegistry.getConstructor(constructorName);
var proto = cons.prototype;
var minicanvas = $("<canvas></canvas>");
var width = proto.width ? proto.width: 64;
var height = proto.height ? proto.height: 64;
minicanvas.attr("width", width);
minicanvas.attr("height", height);
// Put the tool into either the monster, obstacle, or powerup category, according to its
// classification
var container;
switch(proto.classification) {
case "monster":
container = $("#more-monster-tools");
break;
case "obstacle":
container = $("#more-obstacle-tools");
break;
case "powerup":
container = $("#more-powerup-tools");
break;
default:
container = $("#more-tools");
break;
}
container.append(button);
container.append(label);
container.append(minicanvas);
// let's try drawing that sucker
var loader = new AssetLoader();
var ctx = minicanvas[0].getContext("2d");
var obj = new cons(loader);
loader.loadThemAll( function() {
obj.boxInit(0, 0, width, height);
obj.draw(ctx);
});
container.append("<br/>");
}
$(document).ready(function() {
var title = gup("level");
// Handle mouseclicks on canvas according to selected tool:
$("#design-canvas").bind("mousedown", function(evt) {
var pos = canvasCoords(evt);
g_selectedTool.onMouseDown(pos.x, pos.y);
});
$("#design-canvas").bind("mousemove", function(evt) {
var pos = canvasCoords(evt);
g_selectedTool.onMouseMove(pos.x, pos.y);
});
$("#design-canvas").bind("mouseup", function(evt) {
var pos = canvasCoords(evt);
g_selectedTool.onMouseUp(pos.x, pos.y);
redraw();
});
// Create tools for all the object constructors we know about
var names = ConstructorRegistry.listNames();
for (var i = 0; i < names.length; i++) {
makeFancyButton(names[i]);
}
// When you change the selected radio button, change the tool:
$("input").change(function() {
var id = $("input[@name=testGroup]:checked").attr('id');
switch (id) {
case "eraser-tool":
g_selectedTool = EraserTool;
break;
case "scroll-tool":
g_selectedTool = ScrollTool;
break;
case "start-tool":
g_selectedTool = StartTool;
break;
case "goal-tool":
g_selectedTool = GoalTool;
break;
default:
// Create a tool that creates instances using the constructor
// matching the id of the selected radio button:
var constructor = ConstructorRegistry.getConstructor(id);
if (constructor) {
// if the prototype specifies a default width and height,
// then use a fixed-size placement tool; if its width and height
// are variable, use a rectangle tool.
if (constructor.prototype.hasOwnProperty("width")) {
g_selectedTool = new GenericPlacementTool(constructor);
} else {
g_selectedTool = new GenericRectangleTool(constructor);
}
}
break;
}
});
var loader = new AssetLoader();
var progressBar = new ProgressBar($("#design-canvas")[0].getContext("2d"));
progressBar.draw(0);
var startEditing = function() {
progressBar.draw(0.5);
$("#level-bg-url").val(TheWorld.bgUrl);
$("#level-tileset-url").val(TheWorld.tilesetUrl);
$("#level-goal-url").val(TheWorld.goalUrl);
$("#level-music-url").val(TheWorld.musicUrl);
var resizeTimer = null;
adjustToScreen();
$(window).resize(function() {
if (resizeTimer) {
clearTimeout(resizeTimer);
}
resizeTimer = setTimeout(adjustToScreen, 500);
});
for (var prop in PhysicsConstants) {
$("#" + prop).val( PhysicsConstants[prop] );
}
if (TheWorld.published) {
$("#publish").attr("checked", "checked");
}
loader.loadThemAll(redraw, function(progress) {
progressBar.draw(0.5 + 0.5 * progress);
});
};
// Playing online or offline?
if (typeof offlineLevelData != "undefined") {
TheWorld.loadFromString(offlineLevelData, loader, startEditing);
} else {
TheWorld.loadFromServer(title, loader, startEditing);
}
});