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Basic support for skinning with GLSL shaders. Still need to work out

Browse Source 
how to handle different lighting arrangements and complex materials 
(e.g., the metal effect for the Iron Plate).


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@229 ed5b42cb-e716-0410-a449-f6a68f950b19
This commit is contained in:
Andrzej Kapolka
2007-05-08 01:50:07 +00:00
parent 8a2e67831e
commit 742dc30f9e
8 changed files with 549 additions and 156 deletions
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rsrc/media/jme/skin.vert
+85
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@@ -0,0 +1,85 @@
//
// $Id: ImageCache.java 158 2007-02-24 00:38:17Z mdb $
//
// Nenya library - tools for developing networked games
// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
// http://www.threerings.net/code/nenya/
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#version 110
#if BONES_PER_VERTEX == 4
#define ATTRIB_TYPE vec4
#elif BONES_PER_VERTEX == 3
#define ATTRIB_TYPE vec3
#elif BONES_PER_VERTEX == 2
#define ATTRIB_TYPE vec2
#else
#define ATTRIB_TYPE float
#endif
/** The bone transforms. */
uniform mat4 boneTransforms[MAX_BONE_COUNT];
/** The bone indices. */
attribute ATTRIB_TYPE boneIndices;
/** The bone weights. */
attribute ATTRIB_TYPE boneWeights;
/**
* Vertex shader for skinned meshes.
*/
void main ()
{
vec4 normal4 = vec4(gl_Normal, 0.0);
// add up the vertex as transformed by each bone and scaled by each weight
#if BONES_PER_VERTEX == 1
vec4 skinVertex = boneTransforms[int(boneIndices)] * gl_Vertex;
vec4 skinNormal = boneTransforms[int(boneIndices)] * normal4;
#else
vec4 skinVertex = boneTransforms[int(boneIndices[0])] * gl_Vertex * boneWeights[0];
vec4 skinNormal = boneTransforms[int(boneIndices[0])] * normal4 * boneWeights[0];
for (int ii = 1; ii < BONES_PER_VERTEX; ii++) {
skinVertex += boneTransforms[int(boneIndices[ii])] * gl_Vertex * boneWeights[ii];
skinNormal += boneTransforms[int(boneIndices[ii])] * normal4 * boneWeights[ii];
}
#endif
// copy the texture coordinates from attribute to varying
gl_TexCoord[0] = gl_MultiTexCoord0;
gl_TexCoord[1] = gl_MultiTexCoord1;
// apply the standard transformation
gl_Position = gl_ModelViewProjectionMatrix * skinVertex;
// eye space 'z' is the standard fog coordinate
gl_FogFragCoord = -dot(gl_ModelViewMatrixTranspose[2], skinVertex);
// transform the normal into eye space
vec3 eyeNormal = normalize(vec3(gl_ModelViewMatrixInverseTranspose * skinNormal));
// set gl_FrontColor based on normal and light parameters
gl_FrontColor.rgb =
gl_FrontLightProduct[0].ambient.rgb +
gl_FrontLightProduct[0].diffuse.rgb *
max(dot(eyeNormal, gl_LightSource[0].position.xyz), 0.0) +
gl_FrontLightProduct[1].ambient.rgb +
gl_FrontLightProduct[1].diffuse.rgb *
max(dot(eyeNormal, gl_LightSource[1].position.xyz), 0.0);
gl_FrontColor.a = gl_FrontMaterial.diffuse.a;
}
src/java/com/threerings/jme/model/ModelMesh.java
+7 -14
View File
@@ -67,6 +67,7 @@ import com.samskivert.util.PropertiesUtil;
import com.samskivert.util.StringUtil;
import com.threerings.jme.Log;
import com.threerings.jme.util.ShaderCache;
/**
* A {@link TriMesh} with a serialization mechanism tailored to stored models.
@@ -441,6 +442,12 @@ public class ModelMesh extends TriMesh
}
}
// documentation inherited from interface ModelSpatial
public void configureShaders (ShaderCache scache)
{
// no-op
}
// documentation inherited from interface ModelSpatial
public void storeMeshFrame (int frameId, boolean blend)
{
@@ -603,20 +610,6 @@ public class ModelMesh extends TriMesh
return astate;
}
/**
* Concatenates the two provided buffers.
*/
protected static FloatBuffer concatenate (FloatBuffer b1, FloatBuffer b2)
{
FloatBuffer nb = BufferUtils.createFloatBuffer(b1.capacity() + b2.capacity());
b1.clear();
nb.put(b1);
b2.clear();
nb.put(b2);
nb.clear();
return nb;
}
/**
* Sorts the encoded triangle index/distance pairs in {@link #_tcodes}
* using a two-pass (16 bit) radix sort (as described by
src/java/com/threerings/jme/model/ModelNode.java
+12
View File
@@ -42,6 +42,7 @@ import com.jme.util.export.OutputCapsule;
import com.threerings.jme.Log;
import com.threerings.jme.util.JmeUtil;
import com.threerings.jme.util.ShaderCache;
/**
* A {@link Node} with a serialization mechanism tailored to stored models.
@@ -259,6 +260,17 @@ public class ModelNode extends Node
}
}
// documentation inherited from interface ModelSpatial
public void configureShaders (ShaderCache scache)
{
for (int ii = 0, nn = getQuantity(); ii < nn; ii++) {
Spatial child = getChild(ii);
if (child instanceof ModelSpatial) {
((ModelSpatial)child).configureShaders(scache);
}
}
}
// documentation inherited from interface ModelSpatial
public void storeMeshFrame (int frameId, boolean blend)
{
src/java/com/threerings/jme/model/ModelSpatial.java
+13 -6
View File
@@ -24,6 +24,8 @@ package com.threerings.jme.model;
import com.jme.renderer.Renderer;
import com.jme.scene.Spatial;
import com.threerings.jme.util.ShaderCache;
/**
* Contains method common to both {@link ModelNode}s and {@link ModelMesh}es.
*/
@@ -34,7 +36,7 @@ public interface ModelSpatial
* they include the current vertex positions.
*/
public void expandModelBounds ();
/**
* Recursively sets the reference transforms for any bones in the model.
*/
@@ -50,12 +52,17 @@ public interface ModelSpatial
*/
public void lockStaticMeshes (
Renderer renderer, boolean useVBOs, boolean useDisplayLists);
/**
* Recursively resolves texture references using the given provider.
*/
public void resolveTextures (TextureProvider tprov);
/**
* Recursively creates or reconfigures any shaders used by the model using the supplied cache.
*/
public void configureShaders (ShaderCache scache);
/**
* Recursively requests that the current state of all skinned meshes be
* stored as an animation frame on the next update.
@@ -67,19 +74,19 @@ public interface ModelSpatial
* {@link #setAnimationFrames}
*/
public void storeMeshFrame (int frameId, boolean blend);
/**
* Recursively switches all skinned meshes to a stored animation frame for
* the next update.
*/
public void setMeshFrame (int frameId);
/**
* Recursively blends all skinned meshes between two stored animation
* frames for the next update.
*/
public void blendMeshFrames (int frameId1, int frameId2, float alpha);
/**
* Creates or populates and returns a clone of this object using the given
* clone properties.
src/java/com/threerings/jme/model/SkinMesh.java
+113 -6
View File
@@ -33,6 +33,8 @@ import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import org.lwjgl.opengl.GLContext;
import com.jme.bounding.BoundingVolume;
import com.jme.math.Matrix4f;
import com.jme.math.Vector3f;
@@ -42,7 +44,10 @@ import com.jme.scene.TriMesh;
import com.jme.scene.VBOInfo;
import com.jme.scene.batch.SharedBatch;
import com.jme.scene.batch.TriangleBatch;
import com.jme.scene.state.GLSLShaderObjectsState;
import com.jme.scene.state.RenderState;
import com.jme.system.DisplaySystem;
import com.jme.util.ShaderAttribute;
import com.jme.util.export.JMEExporter;
import com.jme.util.export.JMEImporter;
import com.jme.util.export.InputCapsule;
@@ -52,15 +57,23 @@ import com.jme.util.geom.BufferUtils;
import com.samskivert.util.ArrayUtil;
import com.samskivert.util.HashIntMap;
import com.samskivert.util.ListUtil;
import com.threerings.jme.Log;
import com.threerings.jme.util.JmeUtil;
import com.threerings.jme.util.ShaderCache;
/**
* A triangle mesh that deforms according to a bone hierarchy.
*/
public class SkinMesh extends ModelMesh
{
/** The maximum number of bone matrices that we can use for hardware skinning. */
public static final int MAX_SHADER_BONE_COUNT = 32;
/** The maximum number of bones influencing a single vertex for hardware skinning. */
public static final int MAX_SHADER_BONES_PER_VERTEX = 4;
/** Represents the vertex weights of a group of vertices influenced by the
* same set of bones. */
public static class WeightGroup
@@ -239,12 +252,26 @@ public class SkinMesh extends ModelMesh
} else {
mstore = (SkinMesh)store;
}
properties.removeProperty("vertices");
properties.removeProperty("normals");
GLSLShaderObjectsState sstate = (GLSLShaderObjectsState)getRenderState(
RenderState.RS_GLSL_SHADER_OBJECTS);
if (sstate == null) {
// vertices and normals must be cloned if not using a shader
properties.removeProperty("vertices");
properties.removeProperty("normals");
}
properties.removeProperty("displaylistid");
super.putClone(mstore, properties);
properties.addProperty("vertices");
properties.addProperty("normals");
if (sstate == null) {
properties.addProperty("vertices");
properties.addProperty("normals");
} else {
// for the shader, we must create a separate instance with different uniforms
GLSLShaderObjectsState msstate =
DisplaySystem.getDisplaySystem().getRenderer().createGLSLShaderObjectsState();
msstate.setProgramID(sstate.getProgramID());
msstate.attribs = sstate.attribs;
mstore.setRenderState(msstate);
}
properties.addProperty("displaylistid");
mstore._frames = _frames;
mstore._useDisplayLists = _useDisplayLists;
@@ -261,8 +288,8 @@ public class SkinMesh extends ModelMesh
}
mstore._ovbuf = _ovbuf;
mstore._onbuf = _onbuf;
mstore._vbuf = new float[_vbuf.length];
mstore._nbuf = new float[_nbuf.length];
mstore._vbuf = (sstate == null) ? _vbuf : new float[_vbuf.length];
mstore._nbuf = (sstate == null) ? _nbuf : new float[_nbuf.length];
return mstore;
}
@@ -323,10 +350,48 @@ public class SkinMesh extends ModelMesh
vboinfo.setVBOTextureEnabled(true);
vboinfo.setVBOIndexEnabled(!_translucent);
setVBOInfo(vboinfo);
// use VBOs for shader attributes
GLSLShaderObjectsState sstate = (GLSLShaderObjectsState)getRenderState(
RenderState.RS_GLSL_SHADER_OBJECTS);
if (sstate != null) {
for (ShaderAttribute attrib : sstate.attribs.values()) {
attrib.useVBO = true;
}
}
}
_useDisplayLists = useDisplayLists && !_translucent;
}
@Override // documentation inherited
public void configureShaders (ShaderCache scache)
{
if (_disableShaders || !GLContext.getCapabilities().GL_ARB_vertex_shader ||
_bones.length > MAX_SHADER_BONE_COUNT) {
return;
}
int bonesPerVertex = 0;
for (WeightGroup group : _weightGroups) {
bonesPerVertex = Math.max(group.bones.length, bonesPerVertex);
}
if (bonesPerVertex > MAX_SHADER_BONES_PER_VERTEX) {
return;
}
GLSLShaderObjectsState sstate = (GLSLShaderObjectsState)getRenderState(
RenderState.RS_GLSL_SHADER_OBJECTS);
if (sstate == null) {
sstate = DisplaySystem.getDisplaySystem().getRenderer().createGLSLShaderObjectsState();
setShaderAttributes(sstate, bonesPerVertex);
setRenderState(sstate);
}
if (!scache.configureState(sstate, "media/jme/skin.vert", null,
"MAX_BONE_COUNT " + MAX_SHADER_BONE_COUNT, "BONES_PER_VERTEX " + bonesPerVertex)) {
clearRenderState(RenderState.RS_GLSL_SHADER_OBJECTS);
_disableShaders = true;
return;
}
}
@Override // documentation inherited
public void storeMeshFrame (int frameId, boolean blend)
{
@@ -375,6 +440,16 @@ public class SkinMesh extends ModelMesh
bone.transform.multLocal(bone.invRefTransform);
}
// if we're using shaders, initialize the uniform variables with the bone transforms
GLSLShaderObjectsState sstate = (GLSLShaderObjectsState)getRenderState(
RenderState.RS_GLSL_SHADER_OBJECTS);
if (sstate != null) {
for (int ii = 0; ii < _bones.length; ii++) {
sstate.setUniform("boneTransforms[" + ii + "]", _bones[ii].transform, true);
}
return;
}
// deform the mesh according to the positions of the bones (this code
// is ugly as sin because it's optimized at a low level)
Bone[] bones;
@@ -481,6 +556,35 @@ public class SkinMesh extends ModelMesh
_nbuf = new float[_onbuf.length];
}
/**
* Initializes the skin shader attributes (bone indices and weights) in the supplied state.
*/
protected void setShaderAttributes (GLSLShaderObjectsState sstate, int bonesPerVertex)
{
int size = getBatch(0).getVertexCount() * bonesPerVertex;
ByteBuffer bibuf = BufferUtils.createByteBuffer(size);
FloatBuffer bwbuf = BufferUtils.createFloatBuffer(size);
for (WeightGroup group : _weightGroups) {
byte[] indices = new byte[bonesPerVertex];
for (int ii = 0; ii < indices.length; ii++) {
indices[ii] = (byte)((ii < group.bones.length) ?
ListUtil.indexOf(_bones, group.bones[ii]) : 0);
}
for (int ii = 0, widx = 0; ii < group.vertexCount; ii++) {
bibuf.put(indices);
for (int jj = 0; jj < bonesPerVertex; jj++) {
bwbuf.put((jj < group.bones.length) ? group.weights[widx++] : 0f);
}
}
}
bibuf.rewind();
bwbuf.rewind();
sstate.setAttributePointer("boneIndices", bonesPerVertex, false, false, 0, bibuf);
sstate.setAttributePointer("boneWeights", bonesPerVertex, false, 0, bwbuf);
}
/** A stored frame used for linear blending. */
protected static class BlendFrame
{
@@ -535,6 +639,9 @@ public class SkinMesh extends ModelMesh
/** Whether or not the stored frame id will be used for blending. */
protected boolean _storeBlend;
/** Set if we determine that our shaders don't compile to prevent us from trying again. */
protected static boolean _disableShaders;
/** A dummy mesh that simply hold transformation values. */
protected static final TriMesh DUMMY_MESH = new TriMesh();
src/java/com/threerings/jme/tools/ModelViewer.java
+123 -117
View File
@@ -114,6 +114,7 @@ import com.threerings.jme.Log;
import com.threerings.jme.camera.CameraHandler;
import com.threerings.jme.model.Model;
import com.threerings.jme.model.TextureProvider;
import com.threerings.jme.util.ShaderCache;
import com.threerings.jme.util.SpatialVisitor;
/**
@@ -142,7 +143,7 @@ public class ModelViewer extends JmeCanvasApp
LoggingSystem.getLoggingSystem().setLevel(Level.WARNING);
new ModelViewer(args.length > 0 ? args[0] : null);
}
/**
* Creates and initializes an instance of the model viewer application.
*
@@ -153,17 +154,18 @@ public class ModelViewer extends JmeCanvasApp
{
super(1024, 768);
_rsrcmgr = new ResourceManager("rsrc");
_scache = new ShaderCache(_rsrcmgr);
_msg = new MessageManager("rsrc.i18n").getBundle("jme.viewer");
_path = path;
JPopupMenu.setDefaultLightWeightPopupEnabled(false);
_frame = new JFrame(_msg.get("m.title"));
_frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JMenuBar menu = new JMenuBar();
_frame.setJMenuBar(menu);
JMenu file = new JMenu(_msg.get("m.file_menu"));
file.setMnemonic(KeyEvent.VK_F);
menu.add(file);
@@ -176,7 +178,7 @@ public class ModelViewer extends JmeCanvasApp
load.putValue(Action.ACCELERATOR_KEY,
KeyStroke.getKeyStroke(KeyEvent.VK_L, KeyEvent.CTRL_MASK));
file.add(load);
Action importAction = new AbstractAction(_msg.get("m.file_import")) {
public void actionPerformed (ActionEvent e) {
showImportDialog();
@@ -186,7 +188,7 @@ public class ModelViewer extends JmeCanvasApp
importAction.putValue(Action.ACCELERATOR_KEY,
KeyStroke.getKeyStroke(KeyEvent.VK_I, KeyEvent.CTRL_MASK));
file.add(importAction);
file.addSeparator();
Action quit = new AbstractAction(_msg.get("m.file_quit")) {
public void actionPerformed (ActionEvent e) {
@@ -197,11 +199,11 @@ public class ModelViewer extends JmeCanvasApp
quit.putValue(Action.ACCELERATOR_KEY,
KeyStroke.getKeyStroke(KeyEvent.VK_Q, KeyEvent.CTRL_MASK));
file.add(quit);
JMenu view = new JMenu(_msg.get("m.view_menu"));
view.setMnemonic(KeyEvent.VK_V);
menu.add(view);
Action wireframe = new AbstractAction(_msg.get("m.view_wireframe")) {
public void actionPerformed (ActionEvent e) {
_wfstate.setEnabled(!_wfstate.isEnabled());
@@ -212,26 +214,26 @@ public class ModelViewer extends JmeCanvasApp
KeyStroke.getKeyStroke(KeyEvent.VK_W, KeyEvent.CTRL_MASK));
view.add(new JCheckBoxMenuItem(wireframe));
view.addSeparator();
_pivots = new JCheckBoxMenuItem(_msg.get("m.view_pivots"));
_pivots.setMnemonic(KeyEvent.VK_P);
_pivots.setAccelerator(
KeyStroke.getKeyStroke(KeyEvent.VK_P, KeyEvent.CTRL_MASK));
view.add(_pivots);
_bounds = new JCheckBoxMenuItem(_msg.get("m.view_bounds"));
_bounds.setMnemonic(KeyEvent.VK_B);
_bounds.setAccelerator(
KeyStroke.getKeyStroke(KeyEvent.VK_B, KeyEvent.CTRL_MASK));
view.add(_bounds);
_normals = new JCheckBoxMenuItem(_msg.get("m.view_normals"));
_normals.setMnemonic(KeyEvent.VK_N);
_normals.setAccelerator(
KeyStroke.getKeyStroke(KeyEvent.VK_N, KeyEvent.CTRL_MASK));
view.add(_normals);
view.addSeparator();
Action campos = new AbstractAction(_msg.get("m.view_campos")) {
public void actionPerformed (ActionEvent e) {
_campos.setVisible(!_campos.isVisible());
@@ -242,10 +244,10 @@ public class ModelViewer extends JmeCanvasApp
KeyStroke.getKeyStroke(KeyEvent.VK_A, KeyEvent.CTRL_MASK));
view.add(new JCheckBoxMenuItem(campos));
view.addSeparator();
_vmenu = new JMenu(_msg.get("m.model_variant"));
view.add(_vmenu);
JMenu amode = new JMenu(_msg.get("m.animation_mode"));
final JRadioButtonMenuItem flipbook =
new JRadioButtonMenuItem(_msg.get("m.mode_flipbook")),
@@ -268,7 +270,7 @@ public class ModelViewer extends JmeCanvasApp
}
}
};
mgroup.add(flipbook);
mgroup.add(morph);
mgroup.add(skin);
@@ -278,7 +280,7 @@ public class ModelViewer extends JmeCanvasApp
amode.add(flipbook);
view.add(amode);
view.addSeparator();
Action rlight = new AbstractAction(_msg.get("m.view_light")) {
public void actionPerformed (ActionEvent e) {
if (_rldialog == null) {
@@ -292,7 +294,7 @@ public class ModelViewer extends JmeCanvasApp
rlight.putValue(Action.ACCELERATOR_KEY,
KeyStroke.getKeyStroke(KeyEvent.VK_R, KeyEvent.CTRL_MASK));
view.add(new JMenuItem(rlight));
Action rcamera = new AbstractAction(_msg.get("m.view_recenter")) {
public void actionPerformed (ActionEvent e) {
((OrbitCameraHandler)_camhand).recenter();
@@ -303,12 +305,12 @@ public class ModelViewer extends JmeCanvasApp
rcamera.putValue(Action.ACCELERATOR_KEY,
KeyStroke.getKeyStroke(KeyEvent.VK_C, KeyEvent.CTRL_MASK));
view.add(new JMenuItem(rcamera));
_frame.getContentPane().add(getCanvas(), BorderLayout.CENTER);
JPanel bpanel = new JPanel(new BorderLayout());
_frame.getContentPane().add(bpanel, BorderLayout.SOUTH);
_animctrls = new JPanel();
_animctrls.setBorder(BorderFactory.createEtchedBorder());
bpanel.add(_animctrls, BorderLayout.NORTH);
@@ -355,26 +357,26 @@ public class ModelViewer extends JmeCanvasApp
}
});
_animctrls.setVisible(false);
JPanel spanel = new JPanel(new BorderLayout());
bpanel.add(spanel, BorderLayout.SOUTH);
_status = new JLabel(" ");
_status.setHorizontalAlignment(JLabel.LEFT);
_status.setBorder(BorderFactory.createEtchedBorder());
spanel.add(_status, BorderLayout.CENTER);
_campos = new JLabel(" ");
_campos.setBorder(BorderFactory.createEtchedBorder());
_campos.setVisible(false);
spanel.add(_campos, BorderLayout.EAST);
_frame.pack();
_frame.setVisible(true);
run();
}
@Override // documentation inherited
public boolean init ()
{
@@ -386,7 +388,7 @@ public class ModelViewer extends JmeCanvasApp
}
return true;
}
@Override // documentation inherited
protected void initDisplay ()
throws JmeException
@@ -395,23 +397,23 @@ public class ModelViewer extends JmeCanvasApp
_ctx.getRenderer().setBackgroundColor(ColorRGBA.gray);
_ctx.getRenderer().getQueue().setTwoPassTransparency(false);
}
@Override // documentation inherited
protected void initInput ()
{
super.initInput();
_camhand.setTiltLimits(-FastMath.HALF_PI, FastMath.HALF_PI);
_camhand.setZoomLimits(1f, 500f);
_camhand.tiltCamera(-FastMath.PI * 7.0f / 16.0f);
updateCameraPosition();
MouseOrbiter orbiter = new MouseOrbiter();
_canvas.addMouseListener(orbiter);
_canvas.addMouseMotionListener(orbiter);
_canvas.addMouseWheelListener(orbiter);
}
/**
* Updates the camera position label.
*/
@@ -429,18 +431,18 @@ public class ModelViewer extends JmeCanvasApp
" HP: " + CAMPOS_FORMAT.format(heading) + ", " +
CAMPOS_FORMAT.format(pitch));
}
@Override // documentation inherited
protected CameraHandler createCameraHandler (Camera camera)
{
return new OrbitCameraHandler(camera);
}
@Override // documentation inherited
protected void initRoot ()
{
super.initRoot();
// set default states
MaterialState mstate = _ctx.getRenderer().createMaterialState();
mstate.getDiffuse().set(ColorRGBA.white);
@@ -450,7 +452,7 @@ public class ModelViewer extends JmeCanvasApp
_wfstate = _ctx.getRenderer().createWireframeState());
_ctx.getGeometry().setNormalsMode(Spatial.NM_GL_NORMALIZE_PROVIDED);
_wfstate.setEnabled(false);
// create a grid on the XY plane to provide some reference
Vector3f[] points = new Vector3f[GRID_SIZE*2 + GRID_SIZE*2];
float halfLength = (GRID_SIZE - 1) * GRID_SPACING / 2;
@@ -466,7 +468,7 @@ public class ModelViewer extends JmeCanvasApp
-halfLength, -halfLength + yy*GRID_SPACING, 0f);
points[idx++] = new Vector3f(
+halfLength, -halfLength + yy*GRID_SPACING, 0f);
}
Line grid = new Line("grid", points, null, null, null);
grid.getBatch(0).getDefaultColor().set(0.25f, 0.25f, 0.25f, 1f);
@@ -475,7 +477,7 @@ public class ModelViewer extends JmeCanvasApp
grid.updateModelBound();
_ctx.getGeometry().attachChild(grid);
grid.updateRenderState();
// attach a dummy node to draw debugging views
_ctx.getGeometry().attachChild(new Node("debug") {
public void onDraw (Renderer r) {
@@ -494,7 +496,7 @@ public class ModelViewer extends JmeCanvasApp
}
});
}
/**
* Draws the pivot axes of the given node and its children.
*/
@@ -519,7 +521,7 @@ public class ModelViewer extends JmeCanvasApp
_axes.getWorldTranslation().set(spatial.getWorldTranslation());
_axes.getWorldRotation().set(spatial.getWorldRotation());
_axes.draw(r);
if (spatial instanceof Node) {
Node node = (Node)spatial;
for (int ii = 0, nn = node.getQuantity(); ii < nn; ii++) {
@@ -527,7 +529,7 @@ public class ModelViewer extends JmeCanvasApp
}
}
}
@Override // documentation inherited
protected void initLighting ()
{
@@ -535,13 +537,13 @@ public class ModelViewer extends JmeCanvasApp
_dlight.setEnabled(true);
_dlight.getDirection().set(-1f, 0f, -1f).normalizeLocal();
_dlight.getAmbient().set(0.25f, 0.25f, 0.25f, 1f);
LightState lstate = _ctx.getRenderer().createLightState();
lstate.attach(_dlight);
_ctx.getGeometry().setRenderState(lstate);
_ctx.getGeometry().setLightCombineMode(LightState.REPLACE);
}
/**
* Shows the load model dialog.
*/
@@ -573,7 +575,7 @@ public class ModelViewer extends JmeCanvasApp
}
_config.setValue("dir", _chooser.getCurrentDirectory().toString());
}
/**
* Attempts to load a model from the specified location.
*/
@@ -584,19 +586,19 @@ public class ModelViewer extends JmeCanvasApp
if (fpath.endsWith(".properties")) {
compileModel(file);
} else if (fpath.endsWith(".dat")) {
loadCompiledModel(file);
loadCompiledModel(file);
} else {
throw new Exception(_msg.get("m.invalid_type"));
}
_status.setText(_msg.get("m.loaded_model", fpath));
_loaded = file;
} catch (Exception e) {
e.printStackTrace();
_status.setText(_msg.get("m.load_error", fpath, e));
}
}
/**
* Attempts to compile and load a model.
*/
@@ -616,7 +618,7 @@ public class ModelViewer extends JmeCanvasApp
fpath = (didx == -1) ? fpath : fpath.substring(0, didx);
loadCompiledModel(new File(fpath + ".dat"));
}
/**
* Attempts to load a model that has already been compiled.
*/
@@ -626,7 +628,7 @@ public class ModelViewer extends JmeCanvasApp
_status.setText(_msg.get("m.loading_model", file));
setModel(Model.readFromFile(file), file);
}
/**
* Sets the model once it's been loaded.
*
@@ -639,16 +641,17 @@ public class ModelViewer extends JmeCanvasApp
}
_ctx.getGeometry().attachChild(_model = _omodel = model);
_model.setAnimationMode(_animMode);
_model.configureShaders(_scache);
_model.lockStaticMeshes(_ctx.getRenderer(), true, true);
// load the model's textures
resolveModelTextures(file);
// recenter the camera
_model.updateGeometricState(0f, true);
((OrbitCameraHandler)_camhand).recenter();
updateCameraPosition();
// configure the variant menu
_variant = null;
_vmenu.removeAll();
@@ -685,7 +688,7 @@ public class ModelViewer extends JmeCanvasApp
DefaultComboBoxModel abmodel = new DefaultComboBoxModel(anims);
_animbox.setModel(abmodel);
updateAnimationSpeed();
// if there are any sequences, add those as well
String[] seqs = StringUtil.parseStringArray(
_model.getProperties().getProperty("sequences", ""));
@@ -693,7 +696,7 @@ public class ModelViewer extends JmeCanvasApp
abmodel.addElement(seq);
}
}
/**
* Switches to the named variant.
*/
@@ -708,7 +711,7 @@ public class ModelViewer extends JmeCanvasApp
resolveModelTextures(_loaded);
_variant = variant;
}
/**
* Resolve the textures from the file's directory.
*/
@@ -744,7 +747,7 @@ public class ModelViewer extends JmeCanvasApp
});
_model.updateRenderState();
}
/**
* Shows the import particle system dialog.
*/
@@ -776,7 +779,7 @@ public class ModelViewer extends JmeCanvasApp
_config.setValue("import_dir",
_ichooser.getCurrentDirectory().toString());
}
/**
* Attempts to import the specified file as a JME binary scene.
*/
@@ -793,14 +796,14 @@ public class ModelViewer extends JmeCanvasApp
new ImportDialog(file,
(Spatial)BinaryImporter.getInstance().load(
file)).setVisible(true);
} catch (Exception e) {
e.printStackTrace();
_status.setText(_msg.get("m.load_error", file, e));
}
TextureKey.setLocationOverride(null);
}
/**
* Updates the model's animation speed based on the position of the
* animation speed slider.
@@ -810,82 +813,85 @@ public class ModelViewer extends JmeCanvasApp
_model.setAnimationSpeed(
FastMath.pow(2f, _animspeed.getValue() / 25f));
}
/** The resource manager. */
protected ResourceManager _rsrcmgr;
/** The shader cache. */
protected ShaderCache _scache;
/** The translation bundle. */
protected MessageBundle _msg;
/** The path of the initial model to load. */
protected String _path;
/** The last model successfully loaded. */
protected File _loaded;
/** The viewer frame. */
protected JFrame _frame;
/** The variant menu. */
protected JMenu _vmenu;
/** Debug view switches. */
protected JCheckBoxMenuItem _pivots, _bounds, _normals;
/** The animation controls. */
protected JPanel _animctrls;
/** The animation selector. */
protected JComboBox _animbox;
/** The "stop animation" button. */
protected JButton _animstop;
/** The animation speed slider. */
protected JSlider _animspeed;
protected JSlider _animspeed;
/** The status bar. */
protected JLabel _status;
/** The camera position display. */
protected JLabel _campos;
/** The model file chooser. */
protected JFileChooser _chooser;
/** The import file chooser. */
protected JFileChooser _ichooser;
/** The desired animation mode. */
protected Model.AnimationMode _animMode;
/** The desired variant. */
protected String _variant;
/** The light rotation dialog. */
protected RotateLightDialog _rldialog;
/** The scene light. */
protected DirectionalLight _dlight;
/** Used to toggle wireframe rendering. */
protected WireframeState _wfstate;
/** The currently loaded model. */
protected Model _model;
/** The original model (before switching to a variant). */
protected Model _omodel;
/** Reused to draw pivot axes. */
protected Line _axes;
/** The current animation sequence, if any. */
protected String[] _sequence;
/** The current index in the animation sequence. */
protected int _seqidx;
/** Enables and disables the stop button when animations start and stop. */
protected Model.AnimationObserver _animobs =
new Model.AnimationObserver() {
@@ -913,7 +919,7 @@ public class ModelViewer extends JmeCanvasApp
return true;
}
};
/** Allows users to manipulate an imported JME file. */
protected class ImportDialog extends JDialog
implements ChangeListener
@@ -922,25 +928,25 @@ public class ModelViewer extends JmeCanvasApp
{
super(_frame, _msg.get("m.import", file), false);
_spatial = spatial;
// rotate from y-up to z-up and set initial scale
_spatial.getLocalRotation().fromAngleNormalAxis(FastMath.HALF_PI,
Vector3f.UNIT_X);
_spatial.setLocalScale(0.025f);
JPanel cpanel = GroupLayout.makeVBox();
getContentPane().add(cpanel, BorderLayout.CENTER);
JPanel spanel = new JPanel();
spanel.add(new JLabel(_msg.get("m.scale")));
spanel.add(_scale = new JSlider(0, 1000, 250));
_scale.addChangeListener(this);
cpanel.add(spanel);
JPanel bpanel = new JPanel();
bpanel.add(new JButton(new AbstractAction(
_msg.get("m.respawn_particles")) {
public void actionPerformed (ActionEvent e) {
public void actionPerformed (ActionEvent e) {
_respawner.traverse(_spatial);
}
}));
@@ -952,13 +958,13 @@ public class ModelViewer extends JmeCanvasApp
getContentPane().add(bpanel, BorderLayout.SOUTH);
pack();
}
// documentation inherited from interface ChangeListener
public void stateChanged (ChangeEvent e)
{
_spatial.setLocalScale(_scale.getValue() * 0.0001f);
}
@Override // documentation inherited
public void setVisible (boolean visible)
{
@@ -970,14 +976,14 @@ public class ModelViewer extends JmeCanvasApp
_ctx.getGeometry().detachChild(_spatial);
}
}
/** The imported scene. */
protected Spatial _spatial;
/** The scale slider. */
protected JSlider _scale;
}
/** Allows users to move the directional light around. */
protected class RotateLightDialog extends JDialog
implements ChangeListener
@@ -985,22 +991,22 @@ public class ModelViewer extends JmeCanvasApp
public RotateLightDialog ()
{
super(_frame, _msg.get("m.rotate_light"), false);
JPanel cpanel = GroupLayout.makeVBox();
getContentPane().add(cpanel, BorderLayout.CENTER);
JPanel apanel = new JPanel();
apanel.add(new JLabel(_msg.get("m.azimuth")));
apanel.add(_azimuth = new JSlider(-180, +180, 0));
_azimuth.addChangeListener(this);
cpanel.add(apanel);
JPanel epanel = new JPanel();
epanel.add(new JLabel(_msg.get("m.elevation")));
epanel.add(_elevation = new JSlider(-90, +90, 45));
_elevation.addChangeListener(this);
cpanel.add(epanel);
JPanel bpanel = new JPanel();
bpanel.add(new JButton(new AbstractAction(_msg.get("m.close")) {
public void actionPerformed (ActionEvent e) {
@@ -1009,7 +1015,7 @@ public class ModelViewer extends JmeCanvasApp
}));
getContentPane().add(bpanel, BorderLayout.SOUTH);
}
// documentation inherited from interface ChangeListener
public void stateChanged (ChangeEvent e)
{
@@ -1020,11 +1026,11 @@ public class ModelViewer extends JmeCanvasApp
-FastMath.sin(az) * FastMath.cos(el),
-FastMath.sin(el));
}
/** Azimuth and elevation sliders. */
protected JSlider _azimuth, _elevation;
}
/** Moves the camera using mouse input. */
protected class MouseOrbiter extends MouseAdapter
implements MouseMotionListener, MouseWheelListener
@@ -1034,12 +1040,12 @@ public class ModelViewer extends JmeCanvasApp
{
_mloc.setLocation(e.getX(), e.getY());
}
// documentation inherited from interface MouseMotionListener
public void mouseMoved (MouseEvent e)
{
}
// documentation inherited from interface MouseMotionListener
public void mouseDragged (MouseEvent e)
{
@@ -1056,18 +1062,18 @@ public class ModelViewer extends JmeCanvasApp
}
updateCameraPosition();
}
// documentation inherited from interface MouseWheelListener
public void mouseWheelMoved (MouseWheelEvent e)
{
_camhand.zoomCamera(e.getWheelRotation() * 10f);
updateCameraPosition();
}
/** The last recorded position of the mouse cursor. */
protected Point _mloc = new Point();
}
/** A camera handler that pans in directions orthogonal to the camera
* direction. */
protected class OrbitCameraHandler extends CameraHandler
@@ -1077,7 +1083,7 @@ public class ModelViewer extends JmeCanvasApp
super(camera);
_gpoint = super.getGroundPoint();
}
@Override // documentation inherited
public void panCamera (float x, float y) {
Vector3f offset = _camera.getLeft().mult(-x).addLocal(
@@ -1086,13 +1092,13 @@ public class ModelViewer extends JmeCanvasApp
_camera.getLocation().addLocal(offset);
_camera.onFrameChange();
}
@Override // documentation inherited
public Vector3f getGroundPoint ()
{
return _gpoint;
}
/**
* Resets the ground point to the center of the grid or, if there is
* one, the center of the model.
@@ -1111,14 +1117,14 @@ public class ModelViewer extends JmeCanvasApp
_camera.onFrameChange();
_gpoint.set(target);
}
/** The point at which the camera is looking. */
protected Vector3f _gpoint;
}
/** The app configuration. */
protected static PrefsConfig _config = new PrefsConfig("com/threerings/jme/tools/ModelViewer");
/** Forces all particle systems to respawn. */
protected static SpatialVisitor<ParticleGeometry> _respawner =
new SpatialVisitor<ParticleGeometry>(ParticleGeometry.class) {
@@ -1126,13 +1132,13 @@ public class ModelViewer extends JmeCanvasApp
geom.forceRespawn();
}
};
/** The number of lines on the grid in each direction. */
protected static final int GRID_SIZE = 32;
/** The spacing between lines on the grid. */
protected static final float GRID_SPACING = 2.5f;
/** The number formal used for the camera position. */
protected static final DecimalFormat CAMPOS_FORMAT =
new DecimalFormat("+000.000;-000.000");
src/java/com/threerings/jme/util/JmeUtil.java
+12 -13
View File
@@ -22,9 +22,9 @@
package com.threerings.jme.util;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.IntBuffer;
@@ -198,14 +198,16 @@ public class JmeUtil
/**
* Loads the specified shaders (prepending the supplied preprocessor definitions)
* and returns a GLSL shader state. One of the supplied files may be <code>null</code>
* and returns a GLSL shader state. One of the supplied streams may be <code>null</code>
* in order to use the fixed-function pipeline for that part. The method returns
* <code>null</code> if the shaders fail to compile (JME will log an error).
*
* @param defs a number of preprocessor definitions to be #defined in both shaders
* (e.g., "ENABLE_FOG", "NUM_LIGHTS 2").
*/
public static GLSLShaderObjectsState loadShaders (File vert, File frag, String... defs)
public static GLSLShaderObjectsState loadShaders (
InputStream vert, InputStream frag, String... defs)
throws IOException
{
GLSLShaderObjectsState sstate =
DisplaySystem.getDisplaySystem().getRenderer().createGLSLShaderObjectsState();
@@ -223,21 +225,18 @@ public class JmeUtil
/**
* Loads an entire source file as a string, prepending the supplied preprocessor definitions.
*/
protected static String readSource (File file, String[] defs)
protected static String readSource (InputStream in, String[] defs)
throws IOException
{
StringBuffer buf = new StringBuffer();
String ln = System.getProperty("line.separator");
for (String def : defs) {
buf.append("#define ").append(def).append(ln);
}
try {
BufferedReader reader = new BufferedReader(new FileReader(file));
String line;
while ((line = reader.readLine()) != null) {
buf.append(line).append(ln);
}
} catch (IOException e) {
return null;
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
String line;
while ((line = reader.readLine()) != null) {
buf.append(line).append(ln);
}
return buf.toString();
}
src/java/com/threerings/jme/util/ShaderCache.java
+184
View File
@@ -0,0 +1,184 @@
//
// $Id: ImageCache.java 158 2007-02-24 00:38:17Z mdb $
//
// Nenya library - tools for developing networked games
// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
// http://www.threerings.net/code/nenya/
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package com.threerings.jme.util;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import com.jme.scene.state.GLSLShaderObjectsState;
import com.jme.system.DisplaySystem;
import com.jme.util.ShaderAttribute;
import com.jme.util.ShaderUniform;
import com.samskivert.util.ArrayUtil;
import com.samskivert.util.ObjectUtil;
import com.threerings.resource.ResourceManager;
import static com.threerings.jme.Log.*;
/**
* Caches shaders under their names and preprocessor definitions, ensuring that identical shaders
* are only compiled once.
*/
public class ShaderCache
{
/**
* Create a shader cache that will obtain shader source from the supplied resource manager.
*/
public ShaderCache (ResourceManager rsrcmgr)
{
_rsrcmgr = rsrcmgr;
}
/**
* Creates a new shader state with the supplied vertex shader, fragment shader,
* and preprocessor definitions. If a program with the given parameters has already been
* compiled, the state will use the program id of the existing shader.
*
* @return the newly created state, or <code>null</code> if there was an error and the
* program could not be compiled.
*/
public GLSLShaderObjectsState createState (String vert, String frag, String... defs)
{
GLSLShaderObjectsState sstate =
DisplaySystem.getDisplaySystem().getRenderer().createGLSLShaderObjectsState();
return (configureState(sstate, vert, frag, defs) ? sstate : null);
}
/**
* (Re)configures an existing shader state with the supplied parameters.
*
* @return true if the shader was successfully configured, false if the shader could not
* be compiled.
*/
public boolean configureState (
GLSLShaderObjectsState sstate, String vert, String frag, String... defs)
{
return configureState(sstate, vert, frag, defs, null);
}
/**
* (Re)configures an existing shader state with the supplied parameters.
*
* @param ddefs an optional array of derived preprocessor definitions that, unlike the
* principal definitions, need not be compared when differentiating between cached shaders.
* @return true if the shader was successfully configured, false if the shader could not
* be compiled.
*/
public boolean configureState (
GLSLShaderObjectsState sstate, String vert, String frag, String[] defs, String[] ddefs)
{
ShaderKey key = new ShaderKey(vert, frag, defs);
Integer programId = _programIds.get(key);
if (programId == null) {
if (ddefs != null) {
defs = ArrayUtil.concatenate(defs, ddefs);
}
GLSLShaderObjectsState pstate;
try {
pstate = JmeUtil.loadShaders(
(vert == null) ? null : _rsrcmgr.getResource(vert),
(frag == null) ? null : _rsrcmgr.getResource(frag), defs);
} catch (IOException e) {
log.warning("Failed to load shaders [vert=" + vert + ", frag=" + frag +
", error=" + e + "].");
return false;
}
if (pstate == null) {
return false;
}
_programIds.put(key, programId = pstate.getProgramID());
}
if (sstate.getProgramID() == programId) {
return true;
}
sstate.setProgramID(programId);
for (ShaderAttribute attrib : sstate.attribs.values()) {
attrib.attributeID = -1;
}
for (ShaderUniform uniform : sstate.uniforms.values()) {
uniform.uniformID = -1;
}
sstate.setNeedsRefresh(true);
return true;
}
/**
* Checks whether the specified shader is already loaded. This is useful in order to avoid
* generating complex derived definitions when they won't be needed.
*/
public boolean isLoaded (String vert, String frag, String... defs)
{
return _programIds.containsKey(new ShaderKey(vert, frag, defs));
}
/** Identifies a cached shader. */
protected static class ShaderKey
{
/** The name of the vertex shader (or <code>null</code> for none). */
public String vert;
/** The name of the fragment shader (or <code>null</code> for none). */
public String frag;
/** The set of preprocessor definitions. */
public HashSet<String> defs = new HashSet<String>();
public ShaderKey (String vert, String frag, String[] defs)
{
this.vert = vert;
this.frag = frag;
Collections.addAll(this.defs, defs);
}
@Override // documentation inherited
public int hashCode ()
{
return (vert == null ? 0 : vert.hashCode()) + (frag == null ? 0 : frag.hashCode()) +
defs.hashCode();
}
@Override // documentation inherited
public boolean equals (Object obj)
{
ShaderKey okey = (ShaderKey)obj;
return ObjectUtil.equals(vert, okey.vert) && ObjectUtil.equals(frag, okey.frag) &&
defs.equals(okey.defs);
}
@Override // documentation inherited
public String toString ()
{
return "[vert=" + vert + ", frag=" + frag + ", defs=" + defs + "]";
}
}
/** Provides access to shader source. */
protected ResourceManager _rsrcmgr;
/** Maps shader keys to linked program ids. */
protected HashMap<ShaderKey, Integer> _programIds = new HashMap<ShaderKey, Integer>();
}