mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-03-01 13:19:08 +08:00
108 lines
4.1 KiB
Objective-C
108 lines
4.1 KiB
Objective-C
/******************************************************************************
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* Spine Runtimes Software License
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* Version 2.1
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*
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* Copyright (c) 2013, 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 install, execute and perform the Spine Runtimes
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* Software (the "Software") solely for internal use. Without the written
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* permission of Esoteric Software (typically granted by licensing Spine), you
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* may not (a) modify, translate, adapt or otherwise create derivative works,
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* improvements of the Software or develop new applications using the Software
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* or (b) remove, delete, alter or obscure any trademarks or any copyright,
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* trademark, patent or other intellectual property or proprietary rights
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* notices on or in the Software, including any copy thereof. Redistributions
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* in binary or source 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 SOFTARE 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; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#import <spine/PolygonBatch.h>
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#import <spine/spine-cocos2d-iphone.h>
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#import <spine/extension.h>
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#import "CCTexture_Private.h"
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@implementation spPolygonBatch
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+ (id) createWithCapacity:(int)capacity {
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return [[(spPolygonBatch*)[self alloc] initWithCapacity:capacity] autorelease];
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}
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- (id) initWithCapacity:(int)capacity {
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// 32767 is max index, so 32767 / 3 - (32767 / 3 % 3) = 10920.
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NSAssert(capacity <= 10920, @"capacity cannot be > 10920");
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NSAssert(capacity >= 0, @"capacity cannot be < 0");
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self = [super init];
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if (!self) return nil;
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_capacity = capacity;
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_vertices = MALLOC(ccV2F_C4B_T2F, capacity);
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_triangles = MALLOC(GLushort, capacity * 3);
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return self;
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}
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- (void) dealloc {
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FREE(_vertices);
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FREE(_triangles);
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[super dealloc];
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}
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- (void) add:(CCTexture*)addTexture vertices:(const float*)addVertices uvs:(const float*)uvs
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verticesCount:(int)addVerticesCount triangles:(const int*)addTriangles trianglesCount:(int)addTrianglesCount
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color:(ccColor4B*)color {
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if (
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addTexture != _texture
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|| _verticesCount + (addVerticesCount >> 1) > _capacity
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|| _trianglesCount + addTrianglesCount > _capacity * 3) {
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[self flush];
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_texture = addTexture;
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}
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for (int i = 0; i < addTrianglesCount; ++i, ++_trianglesCount)
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_triangles[_trianglesCount] = addTriangles[i] + _verticesCount;
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for (int i = 0; i < addVerticesCount; i += 2, ++_verticesCount) {
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ccV2F_C4B_T2F* vertex = _vertices + _verticesCount;
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vertex->vertices.x = addVertices[i];
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vertex->vertices.y = addVertices[i + 1];
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vertex->colors = *color;
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vertex->texCoords.u = uvs[i];
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vertex->texCoords.v = uvs[i + 1];
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}
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}
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- (void) flush {
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if (!_verticesCount) return;
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ccGLBindVAO(0);
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ccGLBindTexture2D(_texture.name);
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glEnableVertexAttribArray(kCCVertexAttrib_Position);
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glEnableVertexAttribArray(kCCVertexAttrib_Color);
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glEnableVertexAttribArray(kCCVertexAttrib_TexCoords);
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glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, sizeof(ccV2F_C4B_T2F), &_vertices[0].vertices);
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glVertexAttribPointer(kCCVertexAttrib_Color, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(ccV2F_C4B_T2F), &_vertices[0].colors);
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glVertexAttribPointer(kCCVertexAttrib_TexCoords, 2, GL_FLOAT, GL_FALSE, sizeof(ccV2F_C4B_T2F), &_vertices[0].texCoords);
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glDrawElements(GL_TRIANGLES, _trianglesCount, GL_UNSIGNED_SHORT, _triangles);
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_verticesCount = 0;
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_trianglesCount = 0;
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CHECK_GL_ERROR_DEBUG();
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}
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@end
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