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256 lines
5.5 KiB
256 lines
5.5 KiB
/**
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* @author alteredq / http://alteredqualia.com/
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*/
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THREE.MD2Character = function () {
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var scope = this;
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this.scale = 1;
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this.animationFPS = 6;
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this.root = new THREE.Object3D();
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this.meshBody = null;
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this.meshWeapon = null;
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this.skinsBody = [];
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this.skinsWeapon = [];
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this.weapons = [];
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this.activeAnimation = null;
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this.mixer = null;
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this.onLoadComplete = function () {};
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this.loadCounter = 0;
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this.loadParts = function ( config ) {
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this.loadCounter = config.weapons.length * 2 + config.skins.length + 1;
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var weaponsTextures = [];
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for ( var i = 0; i < config.weapons.length; i ++ ) weaponsTextures[ i ] = config.weapons[ i ][ 1 ];
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// SKINS
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this.skinsBody = loadTextures( config.baseUrl + "skins/", config.skins );
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this.skinsWeapon = loadTextures( config.baseUrl + "skins/", weaponsTextures );
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// BODY
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var loader = new THREE.MD2Loader();
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loader.load( config.baseUrl + config.body, function( geo ) {
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geo.computeBoundingBox();
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scope.root.position.y = - scope.scale * geo.boundingBox.min.y;
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var mesh = createPart( geo, scope.skinsBody[ 0 ] );
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mesh.scale.set( scope.scale, scope.scale, scope.scale );
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scope.root.add( mesh );
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scope.meshBody = mesh;
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scope.meshBody.clipOffset = 0;
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scope.activeAnimationClipName = mesh.geometry.animations[0].name;
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scope.mixer = new THREE.AnimationMixer( mesh );
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checkLoadingComplete();
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} );
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// WEAPONS
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var generateCallback = function ( index, name ) {
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return function( geo ) {
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var mesh = createPart( geo, scope.skinsWeapon[ index ] );
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mesh.scale.set( scope.scale, scope.scale, scope.scale );
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mesh.visible = false;
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mesh.name = name;
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scope.root.add( mesh );
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scope.weapons[ index ] = mesh;
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scope.meshWeapon = mesh;
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checkLoadingComplete();
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}
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};
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for ( var i = 0; i < config.weapons.length; i ++ ) {
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loader.load( config.baseUrl + config.weapons[ i ][ 0 ], generateCallback( i, config.weapons[ i ][ 0 ] ) );
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}
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};
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this.setPlaybackRate = function ( rate ) {
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if( rate !== 0 ) {
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this.mixer.timeScale = 1 / rate;
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}
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else {
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this.mixer.timeScale = 0;
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}
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};
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this.setWireframe = function ( wireframeEnabled ) {
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if ( wireframeEnabled ) {
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if ( this.meshBody ) this.meshBody.material = this.meshBody.materialWireframe;
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if ( this.meshWeapon ) this.meshWeapon.material = this.meshWeapon.materialWireframe;
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} else {
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if ( this.meshBody ) this.meshBody.material = this.meshBody.materialTexture;
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if ( this.meshWeapon ) this.meshWeapon.material = this.meshWeapon.materialTexture;
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}
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};
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this.setSkin = function( index ) {
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if ( this.meshBody && this.meshBody.material.wireframe === false ) {
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this.meshBody.material.map = this.skinsBody[ index ];
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}
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};
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this.setWeapon = function ( index ) {
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for ( var i = 0; i < this.weapons.length; i ++ ) this.weapons[ i ].visible = false;
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var activeWeapon = this.weapons[ index ];
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if ( activeWeapon ) {
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activeWeapon.visible = true;
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this.meshWeapon = activeWeapon;
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scope.syncWeaponAnimation();
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}
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};
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this.setAnimation = function ( clipName ) {
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if ( this.meshBody ) {
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if( this.meshBody.activeAction ) {
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scope.mixer.removeAction( this.meshBody.activeAction );
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this.meshBody.activeAction = null;
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}
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var clip = THREE.AnimationClip.findByName( this.meshBody.geometry.animations, clipName );
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if( clip ) {
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var action = new THREE.AnimationAction( clip, this.mixer.time ).setLocalRoot( this.meshBody );
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scope.mixer.addAction( action );
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this.meshBody.activeAction = action;
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}
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}
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scope.activeClipName = clipName;
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scope.syncWeaponAnimation();
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};
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this.syncWeaponAnimation = function() {
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var clipName = scope.activeClipName;
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if ( scope.meshWeapon ) {
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if( this.meshWeapon.activeAction ) {
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scope.mixer.removeAction( this.meshWeapon.activeAction );
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this.meshWeapon.activeAction = null;
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}
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var clip = THREE.AnimationClip.findByName( this.meshWeapon.geometry.animations, clipName );
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if( clip ) {
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var action = new THREE.AnimationAction( clip ).syncWith( this.meshBody.activeAction ).setLocalRoot( this.meshWeapon );
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scope.mixer.addAction( action );
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this.meshWeapon.activeAction = action;
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}
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}
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}
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this.update = function ( delta ) {
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if( this.mixer ) this.mixer.update( delta );
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};
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function loadTextures( baseUrl, textureUrls ) {
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var mapping = THREE.UVMapping;
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var textures = [];
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for ( var i = 0; i < textureUrls.length; i ++ ) {
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textures[ i ] = THREE.ImageUtils.loadTexture( baseUrl + textureUrls[ i ], mapping, checkLoadingComplete );
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textures[ i ].name = textureUrls[ i ];
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}
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return textures;
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}
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function createPart( geometry, skinMap ) {
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var materialWireframe = new THREE.MeshLambertMaterial( { color: 0xffaa00, wireframe: true, morphTargets: true, morphNormals: true } );
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var materialTexture = new THREE.MeshLambertMaterial( { color: 0xffffff, wireframe: false, map: skinMap, morphTargets: true, morphNormals: true } );
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//
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var mesh = new THREE.Mesh( geometry, materialTexture );
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mesh.rotation.y = - Math.PI / 2;
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mesh.castShadow = true;
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mesh.receiveShadow = true;
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//
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mesh.materialTexture = materialTexture;
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mesh.materialWireframe = materialWireframe;
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return mesh;
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}
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function checkLoadingComplete() {
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scope.loadCounter -= 1;
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if ( scope.loadCounter === 0 ) scope.onLoadComplete();
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}
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};
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