public static void readActor(BufferedReader actorFile, E3DActor actor) throws Exception {
StringTokenizer tokenizer = null;
String line = "";
String str;
while ((line = actorFile.readLine()) != null) {
tokenizer = new StringTokenizer(line, TOKENIZER_CHARS);
while (tokenizer.hasMoreTokens()) {
str = readNextValue(tokenizer);
if (ACTORTAG_TEXTURESET.equals(str)) {
String path = tokenizer.nextToken();
String jar = tokenizer.nextToken();
actor.getWorld().loadTextureSet(path);
} else if (ACTORTAG_MODEL.equals(str)) {
if (!readActor(actorFile, tokenizer, actor))
actor
.getEngine()
.getLogger()
.writeLine(
E3DEngineLogger.SEVERITY_ERROR, "Unable to read actor model: " + actorFile);
} else if (COMMENT.equalsIgnoreCase(str)) {
break; // skip whole line
}
// else
// actor.getEngine().getLogger().writeLine(E3DEngineLogger.SEVERITY_INFO,
// "Unknown tag in actor file: " + str);
}
}
}
private static void linkTrianglesToBones(
E3DActor actor, HashMap orphanedTriangleBoneAttachments) {
ArrayList triangleList = actor.getTriangleList();
E3DTriangle triangle = null;
for (int i = 0; i < triangleList.size(); i++) {
triangle = (E3DTriangle) triangleList.get(i);
if (orphanedTriangleBoneAttachments.containsKey(triangle)) {
VertexBoneInformation boneInfo =
(VertexBoneInformation) orphanedTriangleBoneAttachments.get(triangle);
E3DBone bone;
for (int b = 0; b < 3; b++) {
bone = actor.getSkeleton().findBoneByID(boneInfo.boneIDs[b]);
if (bone != null) bone.attachVertex(triangle.getVertex(b));
else
actor
.getEngine()
.getLogger()
.writeLine(
E3DEngineLogger.SEVERITY_WARNING,
"The bone: "
+ E3DStringHelper.getNonNullableString(boneInfo.boneIDs[b])
+ " could not be found in the actor thus vertices were not linked to it.");
}
}
}
}
private static void linkOrphanedBonesToNewBone(
E3DActor actor, E3DBone possibleParentBone, E3DHashListMap orphanedBones) {
if (orphanedBones.containsKey(possibleParentBone.getBoneID())) {
ArrayList boneList = (ArrayList) orphanedBones.get(possibleParentBone.getBoneID());
for (int i = 0; i < boneList.size(); i++) {
E3DBone childBone = (E3DBone) boneList.get(i);
actor.getSkeleton().addBone(childBone, possibleParentBone.getBoneID());
// Try to recursively link other orphans to the newly attached bones
linkOrphanedBonesToNewBone(actor, childBone, orphanedBones);
}
// We had to have added all of these, so remove them
orphanedBones.remove(possibleParentBone.getBoneID());
}
}
private static boolean readActor(
BufferedReader actorFile, StringTokenizer tokenizer, E3DActor actor) throws IOException {
String str;
String line;
boolean startBlockFound = false;
boolean endBlockFound = false;
// Hold onto bones that don't have parents yet
// (String parentBoneID, (ArrayList)E3DBone bone)
E3DHashListMap orphanedBones = new E3DHashListMap();
// We can't attach triangles to bones until the bones are all loaded, so we do that in the end
// (E3DTriangle triangle, VertexBoneInformation boneInformation)
HashMap orphanedTriangleBoneAttachments = new HashMap();
while (!endBlockFound && (line = actorFile.readLine()) != null) {
tokenizer = new StringTokenizer(line, TOKENIZER_CHARS);
while (!endBlockFound && tokenizer.hasMoreTokens()) {
str = readNextValue(tokenizer);
if (START_BLOCK.equals(str)) {
startBlockFound = true;
} else if (ACTORTAG_BONE.equals(str)) {
if (!startBlockFound) return false;
String boneID = readNextValue(tokenizer);
String parentBoneID = readNextValue(tokenizer);
E3DBone bone = readBone(actor.getEngine(), actorFile, boneID);
if (bone != null) {
if (!actor.getSkeleton().addBone(bone, parentBoneID))
orphanedBones.put(parentBoneID, bone);
else // did add it, so there may be some children of it
{ // by the time we get done adding the last bone, we should be able to link up all
// children
linkOrphanedBonesToNewBone(actor, bone, orphanedBones);
}
} else
actor
.getEngine()
.getLogger()
.writeLine(
E3DEngineLogger.SEVERITY_WARNING,
"Unable to read bone: "
+ E3DStringHelper.getNonNullableString(boneID)
+ ". Possibly missing attributes or malformed definition.");
} else if (ACTORTAG_TRIANGLE.equals(str)) {
if (!startBlockFound) return false;
TempTriangle tempTriangle = readTriangle(actor.getEngine(), actorFile);
if (tempTriangle != null) {
E3DTriangle triangle = tempTriangle.triangle;
VertexBoneInformation boneInformation = tempTriangle.vertexBoneInformation;
if (triangle != null) {
actor.getMesh().addTriangle(triangle);
if (boneInformation != null) // these will be linked later
orphanedTriangleBoneAttachments.put(triangle, boneInformation);
}
}
} else if (ACTORTAG_ANIMATION.equals(str)) {
if (!startBlockFound) return false;
String animationName = readNextValue(tokenizer);
String fps = readNextValue(tokenizer);
double dFPS = 20.0;
try {
dFPS = Double.parseDouble(fps);
} catch (NumberFormatException e) {
actor
.getEngine()
.getLogger()
.writeLine(
E3DEngineLogger.SEVERITY_WARNING,
"No FPS specified for animation. 20 FPS will be used by default (1 frame == 0.5s)");
}
if (dFPS == 0) dFPS = 20.0;
E3DAnimation animation = readAnimation(actor.getEngine(), animationName, dFPS, actorFile);
if (animation != null) actor.getSkeleton().addAnimation(animation);
} else if (COMMENT.equals(str)) break;
else if (END_BLOCK.equals(str)) endBlockFound = true;
else
actor
.getEngine()
.getLogger()
.writeLine(
E3DEngineLogger.SEVERITY_INFO, "Unknown tag in actor model definition: " + str);
}
}
linkTrianglesToBones(actor, orphanedTriangleBoneAttachments);
return endBlockFound;
}