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spine-runtimes/spine-cocos2d-iphone/3.0/src/spine/SkeletonRenderer.m

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/******************************************************************************
* Spine Runtimes Software License
* Version 2.1
*
* Copyright (c) 2013, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable and
* non-transferable license to install, execute and perform the Spine Runtimes
* Software (the "Software") solely for internal use. Without the written
* permission of Esoteric Software (typically granted by licensing Spine), you
* may not (a) modify, translate, adapt or otherwise create derivative works,
* improvements of the Software or develop new applications using the Software
* or (b) remove, delete, alter or obscure any trademarks or any copyright,
* trademark, patent or other intellectual property or proprietary rights
* notices on or in the Software, including any copy thereof. Redistributions
* in binary or source form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL ESOTERIC SOFTARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#import <spine/SkeletonRenderer.h>
#import <spine/spine-cocos2d-iphone.h>
#import <spine/extension.h>
#import <spine/PolygonBatch.h>
#import "CCNode_Private.h"
static const int quadTriangles[6] = {0, 1, 2, 2, 3, 0};
@interface SkeletonRenderer (Private)
- (void) initialize:(SkeletonData*)skeletonData ownsSkeletonData:(bool)ownsSkeletonData;
@end
@implementation SkeletonRenderer
@synthesize skeleton = _skeleton;
@synthesize rootBone = _rootBone;
@synthesize timeScale = _timeScale;
@synthesize debugSlots = _debugSlots;
@synthesize debugBones = _debugBones;
+ (id) skeletonWithData:(SkeletonData*)skeletonData ownsSkeletonData:(bool)ownsSkeletonData {
return [[[self alloc] initWithData:skeletonData ownsSkeletonData:ownsSkeletonData] autorelease];
}
+ (id) skeletonWithFile:(NSString*)skeletonDataFile atlas:(Atlas*)atlas scale:(float)scale {
return [[[self alloc] initWithFile:skeletonDataFile atlas:atlas scale:scale] autorelease];
}
+ (id) skeletonWithFile:(NSString*)skeletonDataFile atlasFile:(NSString*)atlasFile scale:(float)scale {
return [[[self alloc] initWithFile:skeletonDataFile atlasFile:atlasFile scale:scale] autorelease];
}
- (void) initialize:(SkeletonData*)skeletonData ownsSkeletonData:(bool)ownsSkeletonData {
_ownsSkeletonData = ownsSkeletonData;
_timeScale = 1;
worldVertices = MALLOC(float, 1000); // Max number of vertices per mesh.
batch = [[PolygonBatch createWithCapacity:2000] retain]; // Max number of vertices and triangles per batch.
_skeleton = Skeleton_create(skeletonData);
_rootBone = _skeleton->bones[0];
_blendFunc.src = GL_ONE;
_blendFunc.dst = GL_ONE_MINUS_SRC_ALPHA;
[self setOpacityModifyRGB:YES];
[self setShaderProgram:[[CCShaderCache sharedShaderCache] programForKey:kCCShader_PositionTextureColor]];
}
- (id) initWithData:(SkeletonData*)skeletonData ownsSkeletonData:(bool)ownsSkeletonData {
NSAssert(skeletonData, @"skeletonData cannot be null.");
self = [super init];
if (!self) return nil;
[self initialize:skeletonData ownsSkeletonData:ownsSkeletonData];
return self;
}
- (id) initWithFile:(NSString*)skeletonDataFile atlas:(Atlas*)atlas scale:(float)scale {
self = [super init];
if (!self) return nil;
SkeletonJson* json = SkeletonJson_create(atlas);
json->scale = scale == 0 ? (1 / [CCDirector sharedDirector].contentScaleFactor) : scale;
SkeletonData* skeletonData = SkeletonJson_readSkeletonDataFile(json, [skeletonDataFile UTF8String]);
NSAssert(skeletonData, ([NSString stringWithFormat:@"Error reading skeleton data file: %@\nError: %s", skeletonDataFile, json->error]));
SkeletonJson_dispose(json);
if (!skeletonData) return 0;
[self initialize:skeletonData ownsSkeletonData:YES];
return self;
}
- (id) initWithFile:(NSString*)skeletonDataFile atlasFile:(NSString*)atlasFile scale:(float)scale {
self = [super init];
if (!self) return nil;
_atlas = Atlas_createFromFile([atlasFile UTF8String], 0);
NSAssert(_atlas, ([NSString stringWithFormat:@"Error reading atlas file: %@", atlasFile]));
if (!_atlas) return 0;
SkeletonJson* json = SkeletonJson_create(_atlas);
json->scale = scale == 0 ? (1 / [CCDirector sharedDirector].contentScaleFactor) : scale;
SkeletonData* skeletonData = SkeletonJson_readSkeletonDataFile(json, [skeletonDataFile UTF8String]);
NSAssert(skeletonData, ([NSString stringWithFormat:@"Error reading skeleton data file: %@\nError: %s", skeletonDataFile, json->error]));
SkeletonJson_dispose(json);
if (!skeletonData) return 0;
[self initialize:skeletonData ownsSkeletonData:YES];
return self;
}
- (void) dealloc {
if (_ownsSkeletonData) SkeletonData_dispose(_skeleton->data);
if (_atlas) Atlas_dispose(_atlas);
Skeleton_dispose(_skeleton);
[batch release];
FREE(worldVertices);
[super dealloc];
}
- (void) update:(CCTime)deltaTime {
Skeleton_update(_skeleton, deltaTime * _timeScale);
}
- (void) draw {
CC_NODE_DRAW_SETUP();
CCColor* nodeColor = self.color;
_skeleton->r = nodeColor.red;
_skeleton->g = nodeColor.green;
_skeleton->b = nodeColor.blue;
_skeleton->a = self.opacity;
int additive = -1;
ccColor4B color;
const float* uvs = 0;
int verticesCount = 0;
const int* triangles = 0;
int trianglesCount = 0;
float r = 0, g = 0, b = 0, a = 0;
for (int i = 0, n = _skeleton->slotCount; i < n; i++) {
Slot* slot = _skeleton->drawOrder[i];
if (!slot->attachment) continue;
CCTexture *texture = 0;
switch (slot->attachment->type) {
case SP_ATTACHMENT_REGION: {
spRegionAttachment* attachment = (spRegionAttachment*)slot->attachment;
spRegionAttachment_computeWorldVertices(attachment, slot->skeleton->x, slot->skeleton->y, slot->bone, worldVertices);
texture = [self getTextureForRegion:attachment];
uvs = attachment->uvs;
verticesCount = 8;
triangles = quadTriangles;
trianglesCount = 6;
r = attachment->r;
g = attachment->g;
b = attachment->b;
a = attachment->a;
break;
}
case SP_ATTACHMENT_MESH: {
spMeshAttachment* attachment = (spMeshAttachment*)slot->attachment;
spMeshAttachment_computeWorldVertices(attachment, slot->skeleton->x, slot->skeleton->y, slot, worldVertices);
texture = [self getTextureForMesh:attachment];
uvs = attachment->uvs;
verticesCount = attachment->verticesCount;
triangles = attachment->triangles;
trianglesCount = attachment->trianglesCount;
r = attachment->r;
g = attachment->g;
b = attachment->b;
a = attachment->a;
break;
}
case SP_ATTACHMENT_SKINNED_MESH: {
spSkinnedMeshAttachment* attachment = (spSkinnedMeshAttachment*)slot->attachment;
spSkinnedMeshAttachment_computeWorldVertices(attachment, slot->skeleton->x, slot->skeleton->y, slot, worldVertices);
texture = [self getTextureForSkinnedMesh:attachment];
uvs = attachment->uvs;
verticesCount = attachment->uvsCount;
triangles = attachment->triangles;
trianglesCount = attachment->trianglesCount;
r = attachment->r;
g = attachment->g;
b = attachment->b;
a = attachment->a;
break;
}
default: ;
}
if (texture) {
if (slot->data->additiveBlending != additive) {
[batch flush];
ccGLBlendFunc(_blendFunc.src, slot->data->additiveBlending ? GL_ONE : _blendFunc.dst);
additive = slot->data->additiveBlending;
}
color.a = _skeleton->a * slot->a * a * 255;
float multiplier = _premultipliedAlpha ? color.a : 255;
color.r = _skeleton->r * slot->r * r * multiplier;
color.g = _skeleton->g * slot->g * g * multiplier;
color.b = _skeleton->b * slot->b * b * multiplier;
[batch add:texture vertices:worldVertices uvs:uvs verticesCount:verticesCount
triangles:triangles trianglesCount:trianglesCount color:&color];
}
}
[batch flush];
if (_debugSlots) {
// Slots.
ccDrawColor4B(0, 0, 255, 255);
glLineWidth(1);
CGPoint points[4];
for (int i = 0, n = _skeleton->slotCount; i < n; i++) {
Slot* slot = _skeleton->drawOrder[i];
if (!slot->attachment || slot->attachment->type != ATTACHMENT_REGION) continue;
RegionAttachment* attachment = (RegionAttachment*)slot->attachment;
spRegionAttachment_computeWorldVertices(attachment, slot->skeleton->x, slot->skeleton->y, slot->bone, worldVertices);
points[0] = ccp(worldVertices[0], worldVertices[1]);
points[1] = ccp(worldVertices[2], worldVertices[3]);
points[2] = ccp(worldVertices[4], worldVertices[5]);
points[3] = ccp(worldVertices[6], worldVertices[7]);
ccDrawPoly(points, 4, true);
}
}
if (_debugBones) {
// Bone lengths.
glLineWidth(2);
ccDrawColor4B(255, 0, 0, 255);
for (int i = 0, n = _skeleton->boneCount; i < n; i++) {
Bone *bone = _skeleton->bones[i];
float x = bone->data->length * bone->m00 + bone->worldX;
float y = bone->data->length * bone->m10 + bone->worldY;
ccDrawLine(ccp(bone->worldX, bone->worldY), ccp(x, y));
}
// Bone origins.
ccPointSize(4);
ccDrawColor4B(0, 0, 255, 255); // Root bone is blue.
for (int i = 0, n = _skeleton->boneCount; i < n; i++) {
Bone *bone = _skeleton->bones[i];
ccDrawPoint(ccp(bone->worldX, bone->worldY));
if (i == 0) ccDrawColor4B(0, 255, 0, 255);
}
}
}
- (CCTexture*) getTextureForRegion:(RegionAttachment*)attachment {
return (CCTexture*)((AtlasRegion*)attachment->rendererObject)->page->rendererObject;
}
- (CCTexture*) getTextureForMesh:(MeshAttachment*)attachment {
return (CCTexture*)((AtlasRegion*)attachment->rendererObject)->page->rendererObject;
}
- (CCTexture*) getTextureForSkinnedMesh:(SkinnedMeshAttachment*)attachment {
return (CCTexture*)((AtlasRegion*)attachment->rendererObject)->page->rendererObject;
}
- (CGRect) boundingBox {
float minX = FLT_MAX, minY = FLT_MAX, maxX = FLT_MIN, maxY = FLT_MIN;
float scaleX = self.scaleX;
float scaleY = self.scaleY;
float vertices[8];
for (int i = 0; i < _skeleton->slotCount; ++i) {
Slot* slot = _skeleton->slots[i];
if (!slot->attachment || slot->attachment->type != ATTACHMENT_REGION) continue;
RegionAttachment* attachment = (RegionAttachment*)slot->attachment;
RegionAttachment_computeWorldVertices(attachment, slot->skeleton->x, slot->skeleton->y, slot->bone, vertices);
minX = fmin(minX, vertices[VERTEX_X1] * scaleX);
minY = fmin(minY, vertices[VERTEX_Y1] * scaleY);
maxX = fmax(maxX, vertices[VERTEX_X1] * scaleX);
maxY = fmax(maxY, vertices[VERTEX_Y1] * scaleY);
minX = fmin(minX, vertices[VERTEX_X4] * scaleX);
minY = fmin(minY, vertices[VERTEX_Y4] * scaleY);
maxX = fmax(maxX, vertices[VERTEX_X4] * scaleX);
maxY = fmax(maxY, vertices[VERTEX_Y4] * scaleY);
minX = fmin(minX, vertices[VERTEX_X2] * scaleX);
minY = fmin(minY, vertices[VERTEX_Y2] * scaleY);
maxX = fmax(maxX, vertices[VERTEX_X2] * scaleX);
maxY = fmax(maxY, vertices[VERTEX_Y2] * scaleY);
minX = fmin(minX, vertices[VERTEX_X3] * scaleX);
minY = fmin(minY, vertices[VERTEX_Y3] * scaleY);
maxX = fmax(maxX, vertices[VERTEX_X3] * scaleX);
maxY = fmax(maxY, vertices[VERTEX_Y3] * scaleY);
}
minX = self.position.x + minX;
minY = self.position.y + minY;
maxX = self.position.x + maxX;
maxY = self.position.y + maxY;
return CGRectMake(minX, minY, maxX - minX, maxY - minY);
}
// --- Convenience methods for Skeleton_* functions.
- (void) updateWorldTransform {
Skeleton_updateWorldTransform(_skeleton);
}
- (void) setToSetupPose {
Skeleton_setToSetupPose(_skeleton);
}
- (void) setBonesToSetupPose {
Skeleton_setBonesToSetupPose(_skeleton);
}
- (void) setSlotsToSetupPose {
Skeleton_setSlotsToSetupPose(_skeleton);
}
- (Bone*) findBone:(NSString*)boneName {
return Skeleton_findBone(_skeleton, [boneName UTF8String]);
}
- (Slot*) findSlot:(NSString*)slotName {
return Skeleton_findSlot(_skeleton, [slotName UTF8String]);
}
- (bool) setSkin:(NSString*)skinName {
return (bool)Skeleton_setSkinByName(_skeleton, skinName ? [skinName UTF8String] : 0);
}
- (Attachment*) getAttachment:(NSString*)slotName attachmentName:(NSString*)attachmentName {
return Skeleton_getAttachmentForSlotName(_skeleton, [slotName UTF8String], [attachmentName UTF8String]);
}
- (bool) setAttachment:(NSString*)slotName attachmentName:(NSString*)attachmentName {
return (bool)Skeleton_setAttachment(_skeleton, [slotName UTF8String], [attachmentName UTF8String]);
}
// --- CCBlendProtocol
- (void) setBlendFunc:(ccBlendFunc)func {
self.blendFunc = func;
}
- (ccBlendFunc) blendFunc {
return _blendFunc;
}
- (void) setOpacityModifyRGB:(BOOL)value {
_premultipliedAlpha = value;
}
- (BOOL) doesOpacityModifyRGB {
return _premultipliedAlpha;
}
@end
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