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Added support for model variants: subconfigurations with different

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textures, etc., that share the same mesh and animations.


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@49 ed5b42cb-e716-0410-a449-f6a68f950b19
This commit is contained in:
Andrzej Kapolka
2006-10-11 18:42:48 +00:00
parent 3d6aa4cd15
commit fd06ed1481
5 changed files with 196 additions and 97 deletions
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src/java/com/threerings/jme/model/Model.java
+45
View File
@@ -40,6 +40,7 @@ import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Properties;
import com.jme.bounding.BoundingVolume;
@@ -53,9 +54,12 @@ import com.jme.scene.Node;
import com.jme.scene.Spatial;
import com.samskivert.util.ObserverList;
import com.samskivert.util.PropertiesUtil;
import com.samskivert.util.RandomUtil;
import com.samskivert.util.StringUtil;
import com.threerings.jme.Log;
import com.threerings.jme.util.SpatialVisitor;
/**
* The base node for models.
@@ -400,6 +404,14 @@ public class Model extends ModelNode
initInstance();
}
/**
* Returns the names of the model's variant configurations.
*/
public String[] getVariantNames ()
{
return StringUtil.parseStringArray(_props.getProperty("variants", ""));
}
/**
* Adds an animation to the model's library. This should only be called by
* the model compiler.
@@ -716,6 +728,39 @@ public class Model extends ModelNode
}
}
/**
* Creates a new prototype using the given variant configuration.
* Use {@link #createInstance} on the returned prototype to create
* additional instances of the variant.
*/
public Model createPrototype (String variant)
{
if (_prototype != null) {
return _prototype.createPrototype(variant);
}
// create an instance and rebind all animations
final Model prototype = createInstance();
for (Map.Entry<String, Animation> entry : _anims.entrySet()) {
prototype._anims.put(entry.getKey(),
entry.getValue().rebind(prototype._pnodes));
}
prototype._prototype = null;
prototype._pnodes = null;
// reconfigure meshes with new variant type
if (variant != null) {
prototype._props = PropertiesUtil.getFilteredProperties(
_props, variant);
new SpatialVisitor<ModelMesh>(ModelMesh.class) {
public void visit (ModelMesh mesh) {
mesh.reconfigure(PropertiesUtil.getFilteredProperties(
prototype._props, mesh.getParent().getName()));
}
}.traverse(prototype);
}
return prototype;
}
/**
* Creates and returns a new instance of this model.
*/
src/java/com/threerings/jme/model/ModelMesh.java
+59 -41
View File
@@ -60,6 +60,7 @@ import com.jme.scene.state.ZBufferState;
import com.jme.system.DisplaySystem;
import com.jme.util.geom.BufferUtils;
import com.samskivert.util.PropertiesUtil;
import com.samskivert.util.StringUtil;
import com.threerings.jme.Log;
@@ -86,6 +87,16 @@ public class ModelMesh extends TriMesh
super(name);
}
/**
* Reconfigures this model with a new set of (sub-)properties. Textures
* must be (re-)resolved after calling this method.
*/
public void reconfigure (Properties props)
{
configure(_solid, _textureKey, _transparent, props);
setRenderStates();
}
/**
* Configures this mesh based on the given parameters and (sub-)properties.
*
@@ -97,23 +108,23 @@ public class ModelMesh extends TriMesh
public void configure (
boolean solid, String texture, boolean transparent, Properties props)
{
_textureKey = texture;
_textures = (texture == null) ? null : StringUtil.parseStringArray(
props.getProperty(texture, texture));
_sphereMapped = Boolean.parseBoolean(
getSubProperty(props, texture, "sphere_map"));
_filterMode = "nearest".equals(
getSubProperty(props, texture, "filter")) ?
Properties tprops = PropertiesUtil.getFilteredProperties(
props, texture);
_sphereMapped = Boolean.parseBoolean(tprops.getProperty("sphere_map"));
_filterMode = "nearest".equals(tprops.getProperty("filter")) ?
Texture.FM_NEAREST : Texture.FM_LINEAR;
_mipMapMode = getMipMapMode(
getSubProperty(props, texture, "mipmap"));
_emissiveMap = getSubProperty(props, texture, "emissive");
_mipMapMode = getMipMapMode(tprops.getProperty("mipmap"));
_emissiveMap = tprops.getProperty("emissive");
_solid = solid;
_transparent = transparent;
String threshold = getSubProperty(props, texture, "alpha_threshold");
String threshold = tprops.getProperty("alpha_threshold");
_alphaThreshold = (threshold == null) ?
DEFAULT_ALPHA_THRESHOLD : Float.parseFloat(threshold);
_translucent = _transparent && Boolean.parseBoolean(
getSubProperty(props, texture, "translucent"));
_translucent = _transparent &&
Boolean.parseBoolean(tprops.getProperty("translucent"));
}
/**
@@ -144,26 +155,7 @@ public class ModelMesh extends TriMesh
storeOriginalBuffers();
// initialize the model if we're displaying
if (DisplaySystem.getDisplaySystem() == null) {
return;
}
if (_backCull == null) {
initSharedStates();
}
if (_solid) {
setRenderState(_backCull);
}
if (_transparent) {
setRenderQueueMode(Renderer.QUEUE_TRANSPARENT);
if (_translucent) {
setRenderState(_blendAlpha);
setRenderState(_overlayZBuffer);
} else if (_alphaThreshold == DEFAULT_ALPHA_THRESHOLD) {
setRenderState(_defaultTestAlpha);
} else {
setRenderState(createTestAlpha(_alphaThreshold));
}
}
setRenderStates();
}
/**
@@ -308,6 +300,7 @@ public class ModelMesh extends TriMesh
mbatch.setModelBound(properties.isSet("bound") ?
batch.getModelBound() : batch.getModelBound().clone(null));
}
mstore._textureKey = _textureKey;
if (_textures != null && _textures.length > 1) {
int tidx = properties.random % _textures.length;
mstore._textures = new String[] { _textures[tidx] };
@@ -352,6 +345,7 @@ public class ModelMesh extends TriMesh
out.writeInt(_colorBufferSize);
out.writeInt(_textureBufferSize);
out.writeInt(_indexBufferSize);
out.writeObject(_textureKey);
out.writeObject(_textures);
out.writeBoolean(_sphereMapped);
out.writeInt(_filterMode);
@@ -377,6 +371,7 @@ public class ModelMesh extends TriMesh
_colorBufferSize = in.readInt();
_textureBufferSize = in.readInt();
_indexBufferSize = in.readInt();
_textureKey = (String)in.readObject();
_textures = (String[])in.readObject();
_sphereMapped = in.readBoolean();
_filterMode = in.readInt();
@@ -445,6 +440,8 @@ public class ModelMesh extends TriMesh
}
if (_tstates[0] != null) {
setRenderState(_tstates[0]);
} else {
clearRenderState(RenderState.RS_TEXTURE);
}
}
@@ -617,6 +614,34 @@ public class ModelMesh extends TriMesh
FloatBuffer.wrap(_vbuf = new float[vbuf.capacity()]).put(vbuf);
}
/**
* Sets the model's render states (excluding the texture state, which is
* set by {@link #resolveTextures}) according to its configuration.
*/
protected void setRenderStates ()
{
if (DisplaySystem.getDisplaySystem() == null) {
return;
}
if (_backCull == null) {
initSharedStates();
}
if (_solid) {
setRenderState(_backCull);
}
if (_transparent) {
setRenderQueueMode(Renderer.QUEUE_TRANSPARENT);
if (_translucent) {
setRenderState(_blendAlpha);
setRenderState(_overlayZBuffer);
} else if (_alphaThreshold == DEFAULT_ALPHA_THRESHOLD) {
setRenderState(_defaultTestAlpha);
} else {
setRenderState(createTestAlpha(_alphaThreshold));
}
}
}
/**
* Locks the transform and bounds of this mesh on the assumption that its
* position will not change.
@@ -627,17 +652,6 @@ public class ModelMesh extends TriMesh
_transformLocked = true;
}
/**
* Gets a sub-property from the given set, falling back on the main
* property if the sub-property is not specified.
*/
protected static String getSubProperty (
Properties props, String prefix, String property)
{
return props.getProperty(prefix + "." + property,
props.getProperty(property));
}
/**
* Returns the mip-map mode corresponding to the given string
* (defaulting to {@link Texture#MM_LINEAR_LINEAR}).
@@ -876,6 +890,10 @@ public class ModelMesh extends TriMesh
/** The type of bounding volume that this mesh should use. */
protected int _boundingType;
/** The name of the texture specified in the model file, which acts as a
* property key and a default value. */
protected String _textureKey;
/** The name of this model's textures, or <code>null</code> for none. */
protected String[] _textures;