public virtual void addGravity(bool addToChildren = false)
{
float massHeld = getExtent() / 10f;
float distance = renderer.treeStructure.getHeightOf(this, new Type[] { typeof(Stump), typeof(Trunk) }) / 10f;
float parentRotation = renderer.treeStructure.findTotalRotationOfChild(this) - rotation;
Logger.log("Limb has a weight of " + massHeld + ", and a distance of " + distance);
float rotationFactor = Math.Max((massHeld * (1 - renderer.species.limbStregnth)) - (distance * (1 - renderer.species.limbStregnth) * 0.5f), 0f);
Logger.log("Rotation factor = " + rotationFactor + "; Max(" + massHeld + " * " + renderer.species.limbStregnth + ") - (" + distance + " * " + renderer.species.limbStregnth + " * 0.5), 0)");
//float newRot = ((rotationFactor * TreeRenderer.degreesToRadians(180f)) + rotation) / 2f - parentRotation;
float rotDifference = TreeRenderer.degreesToRadians(180f) - (rotation + parentRotation);
float newRot = (rotDifference * rotationFactor) + rotation;
Logger.log("Rotating to " + TreeRenderer.radiansToDegrees(newRot) + " degrees...");
rotation = newRot;
if (addToChildren)
{
foreach (TreePart child in children)
{
if (child is Limb)
{
(child as Limb).addGravity(addToChildren);
}
}
}
}
public void loadFromJSON(int treeType)
{
JObject treeJSON;
try
{
treeJSON = Loader.load <JObject>("Trees/Tree_" + treeType + ".json", "Content/Trees/Tree_" + treeType + ".json") as JObject;
}
catch (Microsoft.Xna.Framework.Content.ContentLoadException e)
{
Logger.log("No tree json file found at Trees/Tree_" + treeType + "!", LogLevel.Error);
if (treeType != 1)
{
Logger.log("Trying to default to Tree_1...");
loadFromJSON(1);
return;
}
else
{
throw e;
}
}
Logger.log("Successfully located the tree json file for Tree_" + treeType);
if (!treeJSON.ContainsKey("Format") || !treeJSON.ContainsKey("Structure") || !treeJSON.ContainsKey("Graphics"))
{
throw new KeyNotFoundException("Tree json is missing a vital field! Missing:" + (treeJSON.ContainsKey("Format") ? " Format" : "") + (treeJSON.ContainsKey("Structure") ? " Structure" : "") + (treeJSON.ContainsKey("Graphics") ? " Graphics" : ""));
}
float format = Convert.ToSingle(treeJSON["Format"].ToString());
if (format != 1.0f)
{
throw new Exception("Format " + format + " not expected! No such format currently exists. Maybe you need to update Map Utilites?");
}
JObject graphics = treeJSON["Graphics"] as JObject;
string imageName = graphics["Sheet"].ToString();
try
{
treeSheet = Loader.load <Texture2D>("Trees/" + imageName, "Content/Trees/" + imageName + ".png") as Texture2D;
}
catch (Microsoft.Xna.Framework.Content.ContentLoadException e)
{
Logger.log("Could not find tree sprite sheet '" + imageName + "', as defined in Tree_" + treeType + ".json!", LogLevel.Error);
throw e;
}
makeWeightedRectsFromJSON(graphics["Stump"] as JArray, ref weightedStumpRects, ref weightedStumpColors);
makeWeightedRectsFromJSON(graphics["Trunk"] as JArray, ref weightedTrunkRects, ref weightedTrunkColors);
makeWeightedRectsFromJSON(graphics["Limb"] as JArray, ref weightedLimbRects, ref weightedLimbColors);
makeWeightedRectsFromJSON(graphics["Branch"] as JArray, ref weightedBranchRects, ref weightedBranchColors);
makeWeightedRectsFromJSON(graphics["Leaf"] as JArray, ref weightedLeafRects, ref weightedLeafColors);
JObject structure = treeJSON["Structure"] as JObject;
if (structure.ContainsKey("Trunk"))
{
JObject trunk = (structure["Trunk"] as JObject);
tryApplyInt(ref minHeight, "Min Height", trunk);
tryApplyInt(ref heightVariation, "Height Variation", trunk);
tryApplyFloat(ref maxTrunkWobble, "Max Angle", trunk);
maxTrunkWobble = TreeRenderer.degreesToRadians(maxTrunkWobble);
tryApplyBool(ref limbAlternate, "Alternating", trunk);
if (trunk.ContainsKey("Form"))
{
switch (trunk["Form"].ToString().ToLower().Substring(0, 2))
{
case "op":
form = FORM_OPEN;
break;
case "co":
form = FORM_CONICAL;
break;
case "sp":
form = FORM_SPREADING;
break;
case "li":
form = FORM_LINEAR;
break;
}
}
}
if (structure.ContainsKey("Limb"))
{
JObject limb = (structure["Limb"] as JObject);
tryApplyFloat(ref limbFrequency, "Frequency", limb);
tryApplyFloat(ref limbGrouping, "Grouping", limb);
tryApplyFloat(ref limbGroupVariation, "Grouping Variation", limb);
tryApplyInt(ref minLimbHeight, "Distance", limb);
tryApplyFloat(ref minLimbHeightVariation, "Distance Variation", limb);
tryApplyFloat(ref averageLimbInterval, "Interval", limb);
tryApplyFloat(ref limbIntervalVariation, "Interval Variation", limb);
tryApplyFloat(ref limbAngle, "Angle", limb);
limbAngle = TreeRenderer.degreesToRadians(limbAngle);
tryApplyFloat(ref limbGrowth, "Length Factor", limb);
tryApplyFloat(ref limbGrowthVariation, "Length Variation", limb);
}
if (structure.ContainsKey("Branch"))
{
JObject branch = (structure["Branch"] as JObject);
tryApplyFloat(ref branchFrequency, "Frequency", branch);
tryApplyInt(ref minBranchDistance, "Distance", branch);
tryApplyFloat(ref minBranchDistanceVariation, "Distance Variation", branch);
tryApplyFloat(ref branchWhorl, "Whorling", branch);
tryApplyFloat(ref averageBranchLength, "Length Factor", branch);
tryApplyFloat(ref branchLengthVariation, "Length Variation", branch);
}
}