mirror of https://github.com/axmolengine/axmol.git
342 lines
11 KiB
C
342 lines
11 KiB
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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#include <spine/Skeleton.h>
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#include <string.h>
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#include <spine/extension.h>
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typedef struct {
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spSkeleton super;
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int boneCacheCount;
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int* boneCacheCounts;
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spBone*** boneCache;
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} _spSkeleton;
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spSkeleton* spSkeleton_create (spSkeletonData* data) {
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int i, ii;
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_spSkeleton* internal = NEW(_spSkeleton);
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spSkeleton* self = SUPER(internal);
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CONST_CAST(spSkeletonData*, self->data) = data;
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self->bonesCount = self->data->bonesCount;
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self->bones = MALLOC(spBone*, self->bonesCount);
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for (i = 0; i < self->bonesCount; ++i) {
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spBoneData* boneData = self->data->bones[i];
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spBone* parent = 0;
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if (boneData->parent) {
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/* Find parent bone. */
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for (ii = 0; ii < self->bonesCount; ++ii) {
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if (data->bones[ii] == boneData->parent) {
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parent = self->bones[ii];
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break;
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}
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}
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}
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self->bones[i] = spBone_create(boneData, self, parent);
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}
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CONST_CAST(spBone*, self->root) = self->bones[0];
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self->slotsCount = data->slotsCount;
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self->slots = MALLOC(spSlot*, self->slotsCount);
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for (i = 0; i < self->slotsCount; ++i) {
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spSlotData *slotData = data->slots[i];
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/* Find bone for the slotData's boneData. */
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spBone* bone = 0;
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for (ii = 0; ii < self->bonesCount; ++ii) {
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if (data->bones[ii] == slotData->boneData) {
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bone = self->bones[ii];
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break;
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}
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}
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self->slots[i] = spSlot_create(slotData, bone);
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}
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self->drawOrder = MALLOC(spSlot*, self->slotsCount);
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memcpy(self->drawOrder, self->slots, sizeof(spSlot*) * self->slotsCount);
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self->r = 1;
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self->g = 1;
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self->b = 1;
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self->a = 1;
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self->ikConstraintsCount = data->ikConstraintsCount;
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self->ikConstraints = MALLOC(spIkConstraint*, self->ikConstraintsCount);
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for (i = 0; i < self->data->ikConstraintsCount; ++i)
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self->ikConstraints[i] = spIkConstraint_create(self->data->ikConstraints[i], self);
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spSkeleton_updateCache(self);
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return self;
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}
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void spSkeleton_dispose (spSkeleton* self) {
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int i;
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_spSkeleton* internal = SUB_CAST(_spSkeleton, self);
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for (i = 0; i < internal->boneCacheCount; ++i)
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FREE(internal->boneCache[i]);
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FREE(internal->boneCache);
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FREE(internal->boneCacheCounts);
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for (i = 0; i < self->bonesCount; ++i)
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spBone_dispose(self->bones[i]);
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FREE(self->bones);
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for (i = 0; i < self->slotsCount; ++i)
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spSlot_dispose(self->slots[i]);
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FREE(self->slots);
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for (i = 0; i < self->ikConstraintsCount; ++i)
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spIkConstraint_dispose(self->ikConstraints[i]);
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FREE(self->ikConstraints);
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FREE(self->drawOrder);
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FREE(self);
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}
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void spSkeleton_updateCache (const spSkeleton* self) {
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int i, ii;
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_spSkeleton* internal = SUB_CAST(_spSkeleton, self);
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for (i = 0; i < internal->boneCacheCount; ++i)
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FREE(internal->boneCache[i]);
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FREE(internal->boneCache);
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FREE(internal->boneCacheCounts);
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internal->boneCacheCount = self->ikConstraintsCount + 1;
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internal->boneCache = MALLOC(spBone**, internal->boneCacheCount);
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internal->boneCacheCounts = CALLOC(int, internal->boneCacheCount);
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/* Compute array sizes. */
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for (i = 0; i < self->bonesCount; ++i) {
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spBone* current = self->bones[i];
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do {
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for (ii = 0; ii < self->ikConstraintsCount; ++ii) {
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spIkConstraint* ikConstraint = self->ikConstraints[ii];
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spBone* parent = ikConstraint->bones[0];
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spBone* child = ikConstraint->bones[ikConstraint->bonesCount - 1];
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while (1) {
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if (current == child) {
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internal->boneCacheCounts[ii]++;
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internal->boneCacheCounts[ii + 1]++;
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goto outer1;
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}
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if (child == parent) break;
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child = child->parent;
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}
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}
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current = current->parent;
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} while (current);
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internal->boneCacheCounts[0]++;
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outer1: {}
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}
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for (i = 0; i < internal->boneCacheCount; ++i)
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internal->boneCache[i] = MALLOC(spBone*, internal->boneCacheCounts[i]);
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memset(internal->boneCacheCounts, 0, internal->boneCacheCount * sizeof(int));
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/* Populate arrays. */
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for (i = 0; i < self->bonesCount; ++i) {
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spBone* bone = self->bones[i];
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spBone* current = bone;
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do {
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for (ii = 0; ii < self->ikConstraintsCount; ++ii) {
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spIkConstraint* ikConstraint = self->ikConstraints[ii];
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spBone* parent = ikConstraint->bones[0];
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spBone* child = ikConstraint->bones[ikConstraint->bonesCount - 1];
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while (1) {
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if (current == child) {
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internal->boneCache[ii][internal->boneCacheCounts[ii]++] = bone;
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internal->boneCache[ii + 1][internal->boneCacheCounts[ii + 1]++] = bone;
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goto outer2;
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}
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if (child == parent) break;
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child = child->parent;
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}
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}
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current = current->parent;
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} while (current);
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internal->boneCache[0][internal->boneCacheCounts[0]++] = bone;
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outer2: {}
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}
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}
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void spSkeleton_updateWorldTransform (const spSkeleton* self) {
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int i, ii, nn, last;
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_spSkeleton* internal = SUB_CAST(_spSkeleton, self);
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for (i = 0; i < self->bonesCount; ++i)
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self->bones[i]->rotationIK = self->bones[i]->rotation;
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i = 0;
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last = internal->boneCacheCount - 1;
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while (1) {
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for (ii = 0, nn = internal->boneCacheCounts[i]; ii < nn; ++ii)
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spBone_updateWorldTransform(internal->boneCache[i][ii]);
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if (i == last) break;
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spIkConstraint_apply(self->ikConstraints[i]);
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i++;
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}
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}
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void spSkeleton_setToSetupPose (const spSkeleton* self) {
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spSkeleton_setBonesToSetupPose(self);
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spSkeleton_setSlotsToSetupPose(self);
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}
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void spSkeleton_setBonesToSetupPose (const spSkeleton* self) {
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int i;
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for (i = 0; i < self->bonesCount; ++i)
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spBone_setToSetupPose(self->bones[i]);
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for (i = 0; i < self->ikConstraintsCount; ++i) {
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spIkConstraint* ikConstraint = self->ikConstraints[i];
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ikConstraint->bendDirection = ikConstraint->data->bendDirection;
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ikConstraint->mix = ikConstraint->data->mix;
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}
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}
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void spSkeleton_setSlotsToSetupPose (const spSkeleton* self) {
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int i;
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memcpy(self->drawOrder, self->slots, self->slotsCount * sizeof(spSlot*));
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for (i = 0; i < self->slotsCount; ++i)
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spSlot_setToSetupPose(self->slots[i]);
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}
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spBone* spSkeleton_findBone (const spSkeleton* self, const char* boneName) {
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int i;
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for (i = 0; i < self->bonesCount; ++i)
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if (strcmp(self->data->bones[i]->name, boneName) == 0) return self->bones[i];
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return 0;
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}
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int spSkeleton_findBoneIndex (const spSkeleton* self, const char* boneName) {
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int i;
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for (i = 0; i < self->bonesCount; ++i)
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if (strcmp(self->data->bones[i]->name, boneName) == 0) return i;
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return -1;
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}
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spSlot* spSkeleton_findSlot (const spSkeleton* self, const char* slotName) {
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int i;
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for (i = 0; i < self->slotsCount; ++i)
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if (strcmp(self->data->slots[i]->name, slotName) == 0) return self->slots[i];
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return 0;
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}
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int spSkeleton_findSlotIndex (const spSkeleton* self, const char* slotName) {
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int i;
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for (i = 0; i < self->slotsCount; ++i)
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if (strcmp(self->data->slots[i]->name, slotName) == 0) return i;
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return -1;
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}
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int spSkeleton_setSkinByName (spSkeleton* self, const char* skinName) {
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spSkin *skin;
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if (!skinName) {
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spSkeleton_setSkin(self, 0);
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return 1;
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}
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skin = spSkeletonData_findSkin(self->data, skinName);
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if (!skin) return 0;
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spSkeleton_setSkin(self, skin);
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return 1;
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}
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void spSkeleton_setSkin (spSkeleton* self, spSkin* newSkin) {
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if (newSkin) {
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if (self->skin)
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spSkin_attachAll(newSkin, self, self->skin);
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else {
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/* No previous skin, attach setup pose attachments. */
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int i;
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for (i = 0; i < self->slotsCount; ++i) {
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spSlot* slot = self->slots[i];
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if (slot->data->attachmentName) {
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spAttachment* attachment = spSkin_getAttachment(newSkin, i, slot->data->attachmentName);
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if (attachment) spSlot_setAttachment(slot, attachment);
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}
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}
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}
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}
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CONST_CAST(spSkin*, self->skin) = newSkin;
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}
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spAttachment* spSkeleton_getAttachmentForSlotName (const spSkeleton* self, const char* slotName, const char* attachmentName) {
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int slotIndex = spSkeletonData_findSlotIndex(self->data, slotName);
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return spSkeleton_getAttachmentForSlotIndex(self, slotIndex, attachmentName);
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}
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spAttachment* spSkeleton_getAttachmentForSlotIndex (const spSkeleton* self, int slotIndex, const char* attachmentName) {
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if (slotIndex == -1) return 0;
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if (self->skin) {
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spAttachment *attachment = spSkin_getAttachment(self->skin, slotIndex, attachmentName);
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if (attachment) return attachment;
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}
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if (self->data->defaultSkin) {
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spAttachment *attachment = spSkin_getAttachment(self->data->defaultSkin, slotIndex, attachmentName);
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if (attachment) return attachment;
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}
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return 0;
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}
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int spSkeleton_setAttachment (spSkeleton* self, const char* slotName, const char* attachmentName) {
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int i;
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for (i = 0; i < self->slotsCount; ++i) {
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spSlot *slot = self->slots[i];
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if (strcmp(slot->data->name, slotName) == 0) {
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if (!attachmentName)
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spSlot_setAttachment(slot, 0);
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else {
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spAttachment* attachment = spSkeleton_getAttachmentForSlotIndex(self, i, attachmentName);
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if (!attachment) return 0;
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spSlot_setAttachment(slot, attachment);
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}
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return 1;
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}
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}
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return 0;
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}
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spIkConstraint* spSkeleton_findIkConstraint (const spSkeleton* self, const char* ikConstraintName) {
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int i;
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for (i = 0; i < self->ikConstraintsCount; ++i)
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if (strcmp(self->ikConstraints[i]->data->name, ikConstraintName) == 0) return self->ikConstraints[i];
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return 0;
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}
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void spSkeleton_update (spSkeleton* self, float deltaTime) {
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self->time += deltaTime;
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}
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