mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2025-12-22 10:16:01 +08:00
[libgdx] Refactored SkeletonRenderer, moved clipping related code to SkeletonClipping, removed stencil clipping
This commit is contained in:
badlogic
parent
1675658f1a
commit
9ca215f2e9
@ -61,7 +61,6 @@ public class ClippingTest extends ApplicationAdapter {
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batch = new PolygonSpriteBatch(2048);
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renderer = new SkeletonRenderer();
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renderer.setPremultipliedAlpha(true);
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renderer.setSoftwareClipping(true);
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debugRenderer = new SkeletonRendererDebug();
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debugRenderer.setBoundingBoxes(false);
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debugRenderer.setRegionAttachments(false);
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@ -90,13 +89,13 @@ public class ClippingTest extends ApplicationAdapter {
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ClippingAttachment clip = new ClippingAttachment("clip");
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// Rectangle:
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clip.setVertices(
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// new float[] { 87, 288, 217, 371, 456, 361, 539, 175, 304, 194, 392, 290, 193, 214, 123, 15, 14, 137 });
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new float[] { //
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-140, 50, //
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250, 50, //
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250, 350, //
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-140, 350, //
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});
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new float[] { 94.0f, 84.0f, 45.0f, 165.0f, 218.0f, 292.0f, 476.0f, 227.0f, 480.0f, 125.0f, 325.0f, 191.0f, 333.0f, 77.0f, 302.0f, 30.0f, 175.0f, 140.0f });
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// new float[] { //
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// -140, 50, //
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// 250, 50, //
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// 250, 350, //
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// -140, 350, //
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// });
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// Self intersection:
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// clip.setVertices(new float[] { //
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// -140, -50, //
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@ -104,7 +103,11 @@ public class ClippingTest extends ApplicationAdapter {
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// 120, -50, //
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// -140, 50, //
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// });
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clip.setWorldVerticesLength(8);
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for (int j = 0; j < clip.getVertices().length; j+=2) {
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clip.getVertices()[j] = (clip.getVertices()[j] - 150f);
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clip.getVertices()[j+1] = (clip.getVertices()[j+1] + 100);
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}
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clip.setWorldVerticesLength(clip.getVertices().length);
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clip.setEndSlot(skeleton.findSlot("front_hand").data.index);
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SlotData clipSlotData = new SlotData(skeletonData.getSlots().size, "clip slot", skeletonData.getBones().first());
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@ -139,11 +142,6 @@ public class ClippingTest extends ApplicationAdapter {
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batch.end();
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debugRenderer.draw(skeleton);
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if (Gdx.input.isKeyJustPressed(Keys.S)) {
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renderer.setSoftwareClipping(!renderer.getSoftwareClipping());
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System.out.println("Software clipping: " + renderer.getSoftwareClipping());
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}
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}
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public void resize (int width, int height) {
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@ -47,7 +47,7 @@ public class ConvexDecomposerTest extends ApplicationAdapter {
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image = new Texture("skin/skin.png");
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font = new BitmapFont();
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float[] v = {100, 100, 120, 100, 200, 100, 200, 400, 100, 400};
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float[] v = new float[] { 94.0f, 84.0f, 45.0f, 165.0f, 218.0f, 292.0f, 476.0f, 227.0f, 480.0f, 125.0f, 325.0f, 191.0f, 333.0f, 77.0f, 302.0f, 30.0f, 175.0f, 140.0f };
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// float[] v = {87, 288, 217, 371, 456, 361, 539, 175, 304, 194, 392, 290, 193, 214, 123, 15, 14, 137};
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// float[] v = { 336, 153, 207, 184, 364, 333, 529, 326, 584, 130, 438, 224 };
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@ -0,0 +1,217 @@
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/******************************************************************************
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* Spine Runtimes Software License v2.5
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*
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* Copyright (c) 2013-2016, Esoteric Software
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* All rights reserved.
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*
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* You are granted a perpetual, non-exclusive, non-sublicensable, and
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* non-transferable license to use, install, execute, and perform the Spine
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* Runtimes software and derivative works solely for personal or internal
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* use. Without the written permission of Esoteric Software (see Section 2 of
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* the Spine Software License Agreement), you may not (a) modify, translate,
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* adapt, or develop new applications using the Spine Runtimes or otherwise
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* create derivative works or improvements of the Spine Runtimes or (b) remove,
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* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
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* or other intellectual property or proprietary rights notices on or in the
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* Software, including any copy thereof. Redistributions in binary or source
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* form must include this license and terms.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
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* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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package com.esotericsoftware.spine;
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import com.badlogic.gdx.utils.Array;
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import com.badlogic.gdx.utils.FloatArray;
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import com.badlogic.gdx.utils.ShortArray;
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import com.esotericsoftware.spine.attachments.ClippingAttachment;
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import com.esotericsoftware.spine.utils.Clipper;
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import com.esotericsoftware.spine.utils.ConvexDecomposer;
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public class SkeletonClipping {
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private ClippingAttachment clipAttachment;
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private Clipper clipper = new Clipper();
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private ConvexDecomposer decomposer = new ConvexDecomposer();
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private FloatArray clippingPolygon = new FloatArray(400);
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private Array<FloatArray> convexClippingPolygons;
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private FloatArray clipOutput = new FloatArray(400);
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private FloatArray clippedVertices = new FloatArray(400);
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private ShortArray clippedTriangles = new ShortArray(400);
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public void clipStart (Slot slot, ClippingAttachment clip) {
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if (clipAttachment != null) return;
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clipAttachment = clip;
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int n = clip.getWorldVerticesLength();
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float[] vertices = this.clippingPolygon.setSize(n);
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clip.computeWorldVertices(slot, 0, n, vertices, 0, 2);
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convexClippingPolygons = decomposer.decompose(clippingPolygon);
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for (FloatArray poly : convexClippingPolygons) {
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Clipper.makeClockwise(poly);
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poly.add(poly.items[0]);
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poly.add(poly.items[1]);
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}
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}
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public void clipEnd () {
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clippedVertices.clear();
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clippedTriangles.clear();
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clippingPolygon.clear();
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convexClippingPolygons = null;
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clipAttachment = null;
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}
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public boolean isClipping () {
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return clipAttachment != null;
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}
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public ClippingAttachment getClippingAttachment () {
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return clipAttachment;
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}
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public void clipTriangles (final float[] vertices, final int verticesLength, final short[] triangles,
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final int trianglesLength, final float uvs[], final float dark, final float light, final boolean twoColor) {
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short idx = 0;
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clippedVertices.clear();
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clippedTriangles.clear();
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for (FloatArray convexClippingPolygon : convexClippingPolygons) {
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for (int i = 0; i < trianglesLength; i += 3) {
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int vertexOffset = triangles[i] << 1;
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float x1 = vertices[vertexOffset];
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float y1 = vertices[vertexOffset + 1];
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float u1 = uvs[vertexOffset];
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float v1 = uvs[vertexOffset + 1];
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vertexOffset = triangles[i + 1] << 1;
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float x2 = vertices[vertexOffset];
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float y2 = vertices[vertexOffset + 1];
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float u2 = uvs[vertexOffset];
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float v2 = uvs[vertexOffset + 1];
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vertexOffset = triangles[i + 2] << 1;
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float x3 = vertices[vertexOffset];
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float y3 = vertices[vertexOffset + 1];
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float u3 = uvs[vertexOffset];
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float v3 = uvs[vertexOffset + 1];
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boolean clipped = clipper.clip(x1, y1, x2, y2, x3, y3, convexClippingPolygon, clipOutput);
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if (clipped) {
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if (clipOutput.size == 0) continue;
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float d0 = y2 - y3;
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float d1 = x3 - x2;
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float d2 = x1 - x3;
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float d3 = y1 - y3;
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float d4 = y3 - y1;
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float denom = 1 / (d0 * d2 + d1 * d3);
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float[] clipVertices = clipOutput.items;
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int s = clippedVertices.size;
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clippedVertices.setSize(s + (clipOutput.size >> 1) * (twoColor ? 6 : 5));
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final float[] clippedVerticesArray = clippedVertices.items;
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for (int j = 0, n = clipOutput.size; j < n; j += 2) {
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float x = clipVertices[j];
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float y = clipVertices[j + 1];
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float c0 = x - x3;
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float c1 = y - y3;
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float a = (d0 * c0 + d1 * c1) * denom;
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float b = (d4 * c0 + d2 * c1) * denom;
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float c = 1.0f - a - b;
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float u = u1 * a + u2 * b + u3 * c;
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float v = v1 * a + v2 * b + v3 * c;
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clippedVerticesArray[s++] = x;
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clippedVerticesArray[s++] = y;
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clippedVerticesArray[s++] = light;
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if (twoColor) clippedVerticesArray[s++] = dark;
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clippedVerticesArray[s++] = u;
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clippedVerticesArray[s++] = v;
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}
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s = clippedTriangles.size;
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clippedTriangles.setSize(s + 3 * ((clipOutput.size >> 1) - 2));
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final short[] clippedTrianglesArray = clippedTriangles.items;
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for (int j = 1, n = (clipOutput.size >> 1) - 1; j < n; j++) {
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clippedTrianglesArray[s++] = idx;
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clippedTrianglesArray[s++] = (short)(idx + j);
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clippedTrianglesArray[s++] = (short)(idx + j + 1);
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}
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idx += clipOutput.size >> 1;
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} else {
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int s = clippedVertices.size;
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clippedVertices.setSize(s + 3 * (twoColor ? 6 : 5));
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final float[] clippedVerticesArray = clippedVertices.items;
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if (!twoColor) {
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clippedVerticesArray[s] = x1;
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clippedVerticesArray[s + 1] = y1;
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clippedVerticesArray[s + 2] = light;
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clippedVerticesArray[s + 3] = u1;
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clippedVerticesArray[s + 4] = v1;
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clippedVerticesArray[s + 5] = x2;
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clippedVerticesArray[s + 6] = y2;
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clippedVerticesArray[s + 7] = light;
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clippedVerticesArray[s + 8] = u2;
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clippedVerticesArray[s + 9] = v2;
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clippedVerticesArray[s + 10] = x3;
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clippedVerticesArray[s + 11] = y3;
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clippedVerticesArray[s + 12] = light;
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clippedVerticesArray[s + 13] = u3;
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clippedVerticesArray[s + 14] = v3;
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} else {
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clippedVerticesArray[s] = x1;
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clippedVerticesArray[s + 1] = y1;
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clippedVerticesArray[s + 2] = light;
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clippedVerticesArray[s + 3] = dark;
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clippedVerticesArray[s + 4] = u1;
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clippedVerticesArray[s + 5] = v1;
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clippedVerticesArray[s + 6] = x2;
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clippedVerticesArray[s + 7] = y2;
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clippedVerticesArray[s + 8] = light;
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clippedVerticesArray[s + 9] = dark;
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clippedVerticesArray[s + 10] = u2;
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clippedVerticesArray[s + 11] = v2;
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clippedVerticesArray[s + 12] = x3;
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clippedVerticesArray[s + 13] = y3;
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clippedVerticesArray[s + 14] = light;
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clippedVerticesArray[s + 15] = dark;
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clippedVerticesArray[s + 16] = u3;
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clippedVerticesArray[s + 17] = v3;
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}
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s = clippedTriangles.size;
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clippedTriangles.setSize(s + 3);
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final short[] clippedTrianglesArray = clippedTriangles.items;
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clippedTrianglesArray[s] = idx++;
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clippedTrianglesArray[s + 1] = idx++;
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clippedTrianglesArray[s + 2] = idx++;
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}
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}
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}
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}
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public FloatArray getClippedVertices () {
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return clippedVertices;
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}
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public ShortArray getClippedTriangles () {
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return clippedTriangles;
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}
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}
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@ -30,15 +30,11 @@
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package com.esotericsoftware.spine;
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import com.badlogic.gdx.Gdx;
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import com.badlogic.gdx.graphics.Color;
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import com.badlogic.gdx.graphics.GL20;
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import com.badlogic.gdx.graphics.Texture;
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import com.badlogic.gdx.graphics.g2d.Batch;
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import com.badlogic.gdx.graphics.g2d.PolygonSpriteBatch;
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import com.badlogic.gdx.graphics.glutils.ImmediateModeRenderer;
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import com.badlogic.gdx.graphics.glutils.ImmediateModeRenderer20;
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import com.badlogic.gdx.math.Matrix4;
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import com.badlogic.gdx.utils.Array;
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import com.badlogic.gdx.utils.Disposable;
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import com.badlogic.gdx.utils.FloatArray;
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@ -49,27 +45,16 @@ import com.esotericsoftware.spine.attachments.ClippingAttachment;
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import com.esotericsoftware.spine.attachments.MeshAttachment;
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import com.esotericsoftware.spine.attachments.RegionAttachment;
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import com.esotericsoftware.spine.attachments.SkeletonAttachment;
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import com.esotericsoftware.spine.utils.Clipper;
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import com.esotericsoftware.spine.utils.ConvexDecomposer;
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import com.esotericsoftware.spine.utils.TwoColorPolygonBatch;
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public class SkeletonRenderer implements Disposable {
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static private final short[] quadTriangles = {0, 1, 2, 2, 3, 0};
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private boolean softwareClipping;
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private boolean premultipliedAlpha;
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private final FloatArray vertices = new FloatArray(32);
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private ClippingAttachment clipAttachment;
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private Clipper clipper = new Clipper();
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private ConvexDecomposer decomposer = new ConvexDecomposer();
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private FloatArray clippingPolygon = new FloatArray(400);
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private Array<FloatArray> convexClippingPolygons;
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private FloatArray clipOutput = new FloatArray(400);
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private FloatArray clippedVertices = new FloatArray(400);
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private ShortArray clippedTriangles = new ShortArray(400);
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private final Matrix4 combinedMatrix = new Matrix4();
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private ImmediateModeRenderer renderer;
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private final SkeletonClipping clipper = new SkeletonClipping();
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public void draw (Batch batch, Skeleton skeleton) {
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boolean premultipliedAlpha = this.premultipliedAlpha;
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@ -102,9 +87,7 @@ public class SkeletonRenderer implements Disposable {
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} else if (attachment instanceof ClippingAttachment) {
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ClippingAttachment clip = (ClippingAttachment)attachment;
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if (!softwareClipping) batch.end();
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clipStart(batch.getProjectionMatrix(), batch.getTransformMatrix(), slot, clip);
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if (!softwareClipping) batch.begin();
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clipper.clipStart(slot, clip);
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continue;
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} else if (attachment instanceof MeshAttachment) {
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@ -137,10 +120,7 @@ public class SkeletonRenderer implements Disposable {
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}
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}
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if (clipAttachment != null && i == clipAttachment.getEndSlot()) {
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batch.flush();
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clipEnd();
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}
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if (clipper.isClipping() && clipper.getClippingAttachment().getEndSlot() == i) clipper.clipEnd();
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}
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}
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@ -156,7 +136,7 @@ public class SkeletonRenderer implements Disposable {
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float r = skeletonColor.r, g = skeletonColor.g, b = skeletonColor.b, a = skeletonColor.a;
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Array<Slot> drawOrder = skeleton.drawOrder;
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for (int i = 0, n = drawOrder.size; i < n; i++) {
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final int vertexSize = (softwareClipping && clipAttachment != null) ? 2 : 5;
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final int vertexSize = clipper.isClipping() ? 2 : 5;
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Slot slot = drawOrder.get(i);
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Attachment attachment = slot.attachment;
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if (attachment instanceof RegionAttachment) {
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@ -182,9 +162,7 @@ public class SkeletonRenderer implements Disposable {
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} else if (attachment instanceof ClippingAttachment) {
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ClippingAttachment clip = (ClippingAttachment)attachment;
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if (!softwareClipping) batch.end();
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clipStart(batch.getProjectionMatrix(), batch.getTransformMatrix(), slot, clip);
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if (!softwareClipping) batch.begin();
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clipper.clipStart(slot, clip);
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continue;
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} else if (attachment instanceof SkeletonAttachment) {
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@ -226,20 +204,13 @@ public class SkeletonRenderer implements Disposable {
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blendMode = slotBlendMode;
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batch.setBlendFunction(blendMode.getSource(premultipliedAlpha), blendMode.getDest());
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}
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if (softwareClipping) {
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if (clipAttachment != null) {
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clipSoftware(vertices, 0, verticesLength, triangles, 0, triangles.length, uvs, 0, c, false, clippedVertices,
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clippedTriangles);
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batch.draw(texture, clippedVertices.items, 0, clippedVertices.size, clippedTriangles.items, 0,
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clippedTriangles.size);
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} else {
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for (int v = 2, u = 0; v < verticesLength; v += 5, u += 2) {
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vertices[v] = c;
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vertices[v + 1] = uvs[u];
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vertices[v + 2] = uvs[u + 1];
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}
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batch.draw(texture, vertices, 0, verticesLength, triangles, 0, triangles.length);
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}
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if (clipper.isClipping()) {
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clipper.clipTriangles(vertices, verticesLength, triangles, triangles.length, uvs, 0, c, false);
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FloatArray clippedVertices = clipper.getClippedVertices();
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ShortArray clippedTriangles = clipper.getClippedTriangles();
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batch.draw(texture, clippedVertices.items, 0, clippedVertices.size, clippedTriangles.items, 0,
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clippedTriangles.size);
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} else {
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for (int v = 2, u = 0; v < verticesLength; v += 5, u += 2) {
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vertices[v] = c;
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@ -250,10 +221,7 @@ public class SkeletonRenderer implements Disposable {
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}
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}
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if (clipAttachment != null && i == clipAttachment.getEndSlot()) {
|
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if (!softwareClipping) batch.flush();
|
||||
clipEnd();
|
||||
}
|
||||
if (clipper.isClipping() && clipper.getClippingAttachment().getEndSlot() == i) clipper.clipEnd();
|
||||
}
|
||||
}
|
||||
|
||||
@ -269,7 +237,7 @@ public class SkeletonRenderer implements Disposable {
|
||||
float r = skeletonColor.r, g = skeletonColor.g, b = skeletonColor.b, a = skeletonColor.a;
|
||||
Array<Slot> drawOrder = skeleton.drawOrder;
|
||||
for (int i = 0, n = drawOrder.size; i < n; i++) {
|
||||
final int vertexSize = (softwareClipping && clipAttachment != null) ? 2 : 6;
|
||||
final int vertexSize = clipper.isClipping() ? 2 : 6;
|
||||
Slot slot = drawOrder.get(i);
|
||||
Attachment attachment = slot.attachment;
|
||||
if (attachment instanceof RegionAttachment) {
|
||||
@ -295,9 +263,7 @@ public class SkeletonRenderer implements Disposable {
|
||||
|
||||
} else if (attachment instanceof ClippingAttachment) {
|
||||
ClippingAttachment clip = (ClippingAttachment)attachment;
|
||||
if (!softwareClipping) batch.end();
|
||||
clipStart(batch.getProjectionMatrix(), batch.getTransformMatrix(), slot, clip);
|
||||
if (!softwareClipping) batch.begin();
|
||||
clipper.clipStart(slot, clip);
|
||||
continue;
|
||||
|
||||
} else if (attachment instanceof SkeletonAttachment) {
|
||||
@ -346,21 +312,12 @@ public class SkeletonRenderer implements Disposable {
|
||||
batch.setBlendFunction(blendMode.getSource(premultipliedAlpha), blendMode.getDest());
|
||||
}
|
||||
|
||||
if (softwareClipping) {
|
||||
if (clipAttachment != null) {
|
||||
clipSoftware(vertices, 0, verticesLength, triangles, 0, triangles.length, uvs, dark, light, true,
|
||||
clippedVertices, clippedTriangles);
|
||||
batch.draw(texture, clippedVertices.items, 0, clippedVertices.size, clippedTriangles.items, 0,
|
||||
clippedTriangles.size);
|
||||
} else {
|
||||
for (int v = 2, u = 0; v < verticesLength; v += 6, u += 2) {
|
||||
vertices[v] = light;
|
||||
vertices[v + 1] = dark;
|
||||
vertices[v + 2] = uvs[u];
|
||||
vertices[v + 3] = uvs[u + 1];
|
||||
}
|
||||
batch.draw(texture, vertices, 0, verticesLength, triangles, 0, triangles.length);
|
||||
}
|
||||
if (clipper.isClipping()) {
|
||||
clipper.clipTriangles(vertices, verticesLength, triangles, triangles.length, uvs, dark, light, true);
|
||||
FloatArray clippedVertices = clipper.getClippedVertices();
|
||||
ShortArray clippedTriangles = clipper.getClippedTriangles();
|
||||
batch.draw(texture, clippedVertices.items, 0, clippedVertices.size, clippedTriangles.items, 0,
|
||||
clippedTriangles.size);
|
||||
} else {
|
||||
for (int v = 2, u = 0; v < verticesLength; v += 6, u += 2) {
|
||||
vertices[v] = light;
|
||||
@ -372,189 +329,7 @@ public class SkeletonRenderer implements Disposable {
|
||||
}
|
||||
}
|
||||
|
||||
if (clipAttachment != null && i == clipAttachment.getEndSlot()) {
|
||||
if (!softwareClipping) batch.flush();
|
||||
clipEnd();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void clipStart (Matrix4 transformMatrix, Matrix4 projectionMatrix, Slot slot, ClippingAttachment clip) {
|
||||
if (clipAttachment != null) return;
|
||||
clipAttachment = clip;
|
||||
|
||||
if (!softwareClipping) {
|
||||
int n = clip.getWorldVerticesLength();
|
||||
float[] vertices = this.vertices.setSize(n);
|
||||
clip.computeWorldVertices(slot, 0, n, vertices, 0, 2);
|
||||
|
||||
Gdx.gl.glClearStencil(0);
|
||||
Gdx.gl.glClear(GL20.GL_STENCIL_BUFFER_BIT);
|
||||
Gdx.gl.glEnable(GL20.GL_STENCIL_TEST);
|
||||
Gdx.gl.glStencilFunc(GL20.GL_NEVER, 0, 1);
|
||||
Gdx.gl.glStencilOp(GL20.GL_INVERT, GL20.GL_INVERT, GL20.GL_INVERT);
|
||||
Gdx.gl.glColorMask(false, false, false, false);
|
||||
|
||||
if (renderer == null || renderer.getMaxVertices() < n)
|
||||
renderer = new ImmediateModeRenderer20(Math.max(100, n), false, false, 0);
|
||||
renderer.begin(combinedMatrix.set(projectionMatrix).mul(transformMatrix), GL20.GL_TRIANGLE_FAN);
|
||||
renderer.vertex(vertices[0], vertices[1], 0);
|
||||
for (int i = 2; i < n; i += 2)
|
||||
renderer.vertex(vertices[i], vertices[i + 1], 0);
|
||||
renderer.end();
|
||||
|
||||
Gdx.gl.glColorMask(true, true, true, true);
|
||||
Gdx.gl.glStencilFunc(false ? GL20.GL_NOTEQUAL : GL20.GL_EQUAL, 1, 1);
|
||||
Gdx.gl.glStencilOp(GL20.GL_KEEP, GL20.GL_KEEP, GL20.GL_KEEP);
|
||||
} else {
|
||||
int n = clip.getWorldVerticesLength();
|
||||
float[] vertices = this.clippingPolygon.setSize(n);
|
||||
clip.computeWorldVertices(slot, 0, n, vertices, 0, 2);
|
||||
convexClippingPolygons = decomposer.decompose(clippingPolygon);
|
||||
for (FloatArray poly: convexClippingPolygons) {
|
||||
Clipper.makeClockwise(poly);
|
||||
poly.add(poly.items[0]);
|
||||
poly.add(poly.items[1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void clipEnd() {
|
||||
clippedVertices.clear();
|
||||
clippedTriangles.clear();
|
||||
clippingPolygon.clear();
|
||||
convexClippingPolygons = null;
|
||||
clipAttachment = null;
|
||||
if (!softwareClipping) Gdx.gl.glDisable(GL20.GL_STENCIL_TEST);
|
||||
}
|
||||
|
||||
private void clipSoftware (final float[] vertices, final int offset, final int verticesLength, final short[] triangles,
|
||||
final int triangleOffset, final int trianglesLength, final float uvs[], final float dark, final float light,
|
||||
final boolean twoColor, final FloatArray clippedVertices, final ShortArray clippedTriangles) {
|
||||
short idx = 0;
|
||||
clippedVertices.clear();
|
||||
clippedTriangles.clear();
|
||||
for (FloatArray convexClippingPolygon: convexClippingPolygons) {
|
||||
for (int i = 0; i < trianglesLength; i += 3) {
|
||||
int vertexOffset = triangles[i] << 1;
|
||||
float x1 = vertices[vertexOffset];
|
||||
float y1= vertices[vertexOffset + 1];
|
||||
float u1 = uvs[vertexOffset];
|
||||
float v1 = uvs[vertexOffset + 1];
|
||||
|
||||
vertexOffset = triangles[i + 1] << 1;
|
||||
float x2 = vertices[vertexOffset];
|
||||
float y2 = vertices[vertexOffset + 1];
|
||||
float u2 = uvs[vertexOffset];
|
||||
float v2 = uvs[vertexOffset + 1];
|
||||
|
||||
vertexOffset = triangles[i + 2] << 1;
|
||||
float x3 = vertices[vertexOffset];
|
||||
float y3 = vertices[vertexOffset + 1];
|
||||
float u3 = uvs[vertexOffset];
|
||||
float v3 = uvs[vertexOffset + 1];
|
||||
|
||||
boolean clipped = clipper.clip(x1, y1, x2, y2, x3, y3, convexClippingPolygon, clipOutput);
|
||||
if (clipped) {
|
||||
if (clipOutput.size == 0) continue;
|
||||
float d0 = y2 - y3;
|
||||
float d1 = x3 - x2;
|
||||
float d2 = x1 - x3;
|
||||
float d3 = y1 - y3;
|
||||
float d4 = y3 - y1;
|
||||
|
||||
float denom = 1 / (d0 * d2 + d1 * d3);
|
||||
|
||||
float[] clipVertices = clipOutput.items;
|
||||
int s = clippedVertices.size;
|
||||
clippedVertices.setSize(s + (clipOutput.size >> 1) * (twoColor ? 6 : 5));
|
||||
final float[] clippedVerticesArray = clippedVertices.items;
|
||||
|
||||
for (int j = 0, n = clipOutput.size; j < n; j += 2) {
|
||||
float x = clipVertices[j];
|
||||
float y = clipVertices[j + 1];
|
||||
|
||||
float c0 = x - x3;
|
||||
float c1 = y - y3;
|
||||
float a = (d0 * c0 + d1 * c1) * denom;
|
||||
float b = (d4 * c0 + d2 * c1) * denom;
|
||||
float c = 1.0f - a - b;
|
||||
|
||||
float u = u1 * a + u2 * b + u3 * c;
|
||||
float v = v1 * a + v2 * b + v3 * c;
|
||||
clippedVerticesArray[s++] = x;
|
||||
clippedVerticesArray[s++] = y;
|
||||
clippedVerticesArray[s++] = light;
|
||||
if (twoColor) clippedVerticesArray[s++] = dark;
|
||||
clippedVerticesArray[s++] = u;
|
||||
clippedVerticesArray[s++] = v;
|
||||
}
|
||||
|
||||
s = clippedTriangles.size;
|
||||
clippedTriangles.setSize(s + 3 * ((clipOutput.size >> 1) - 2));
|
||||
final short[] clippedTrianglesArray = clippedTriangles.items;
|
||||
|
||||
for (int j = 1, n = (clipOutput.size >> 1) - 1; j < n; j++) {
|
||||
clippedTrianglesArray[s++] = idx;
|
||||
clippedTrianglesArray[s++] = (short)(idx + j);
|
||||
clippedTrianglesArray[s++] = (short)(idx + j + 1);
|
||||
}
|
||||
|
||||
idx += clipOutput.size >> 1;
|
||||
} else {
|
||||
int s = clippedVertices.size;
|
||||
clippedVertices.setSize(s + 3 * (twoColor ? 6 : 5));
|
||||
final float[] clippedVerticesArray = clippedVertices.items;
|
||||
|
||||
if (!twoColor) {
|
||||
clippedVerticesArray[s] = x1;
|
||||
clippedVerticesArray[s + 1] = y1;
|
||||
clippedVerticesArray[s + 2] = light;
|
||||
clippedVerticesArray[s + 3] = u1;
|
||||
clippedVerticesArray[s + 4] = v1;
|
||||
|
||||
clippedVerticesArray[s + 5] = x2;
|
||||
clippedVerticesArray[s + 6] = y2;
|
||||
clippedVerticesArray[s + 7] = light;
|
||||
clippedVerticesArray[s + 8] = u2;
|
||||
clippedVerticesArray[s + 9] = v2;
|
||||
|
||||
clippedVerticesArray[s + 10] = x3;
|
||||
clippedVerticesArray[s + 11] = y3;
|
||||
clippedVerticesArray[s + 12] = light;
|
||||
clippedVerticesArray[s + 13] = u3;
|
||||
clippedVerticesArray[s + 14] = v3;
|
||||
} else {
|
||||
clippedVerticesArray[s] = x1;
|
||||
clippedVerticesArray[s + 1] = y1;
|
||||
clippedVerticesArray[s + 2] = light;
|
||||
clippedVerticesArray[s + 3] = dark;
|
||||
clippedVerticesArray[s + 4] = u1;
|
||||
clippedVerticesArray[s + 5] = v1;
|
||||
|
||||
clippedVerticesArray[s + 6] = x2;
|
||||
clippedVerticesArray[s + 7] = y2;
|
||||
clippedVerticesArray[s + 8] = light;
|
||||
clippedVerticesArray[s + 9] = dark;
|
||||
clippedVerticesArray[s + 10] = u2;
|
||||
clippedVerticesArray[s + 11] = v2;
|
||||
|
||||
clippedVerticesArray[s + 12] = x3;
|
||||
clippedVerticesArray[s + 13] = y3;
|
||||
clippedVerticesArray[s + 14] = light;
|
||||
clippedVerticesArray[s + 15] = dark;
|
||||
clippedVerticesArray[s + 16] = u3;
|
||||
clippedVerticesArray[s + 17] = v3;
|
||||
}
|
||||
|
||||
s = clippedTriangles.size;
|
||||
clippedTriangles.setSize(s + 3);
|
||||
final short[] clippedTrianglesArray = clippedTriangles.items;
|
||||
clippedTrianglesArray[s] = idx++;
|
||||
clippedTrianglesArray[s + 1] = idx++;
|
||||
clippedTrianglesArray[s + 2] = idx++;
|
||||
}
|
||||
}
|
||||
if (clipper.isClipping() && clipper.getClippingAttachment().getEndSlot() == i) clipper.clipEnd();
|
||||
}
|
||||
}
|
||||
|
||||
@ -565,12 +340,4 @@ public class SkeletonRenderer implements Disposable {
|
||||
public void dispose () {
|
||||
renderer.dispose();
|
||||
}
|
||||
|
||||
public boolean getSoftwareClipping () {
|
||||
return softwareClipping;
|
||||
}
|
||||
|
||||
public void setSoftwareClipping (boolean softwareClipping) {
|
||||
this.softwareClipping = softwareClipping;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user