axmol/cocos/editor-support/spine/Animation.c

1342 lines
49 KiB
C

/******************************************************************************
* Spine Runtimes Software License v2.5
*
* Copyright (c) 2013-2016, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable, and
* non-transferable license to use, install, execute, and perform the Spine
* Runtimes software and derivative works solely for personal or internal
* use. Without the written permission of Esoteric Software (see Section 2 of
* the Spine Software License Agreement), you may not (a) modify, translate,
* adapt, or develop new applications using the Spine Runtimes or otherwise
* create derivative works or improvements of the Spine Runtimes 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 SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
* USE, DATA, OR PROFITS) 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.
*****************************************************************************/
#include <spine/Animation.h>
#include <spine/IkConstraint.h>
#include <limits.h>
#include <spine/extension.h>
spAnimation* spAnimation_create (const char* name, int timelinesCount) {
spAnimation* self = NEW(spAnimation);
MALLOC_STR(self->name, name);
self->timelinesCount = timelinesCount;
self->timelines = MALLOC(spTimeline*, timelinesCount);
return self;
}
void spAnimation_dispose (spAnimation* self) {
int i;
for (i = 0; i < self->timelinesCount; ++i)
spTimeline_dispose(self->timelines[i]);
FREE(self->timelines);
FREE(self->name);
FREE(self);
}
void spAnimation_apply (const spAnimation* self, spSkeleton* skeleton, float lastTime, float time, int loop, spEvent** events,
int* eventsCount, float alpha, int setupPose, int mixingOut) {
int i, n = self->timelinesCount;
if (loop && self->duration) {
time = FMOD(time, self->duration);
if (lastTime > 0) lastTime = FMOD(lastTime, self->duration);
}
for (i = 0; i < n; ++i)
spTimeline_apply(self->timelines[i], skeleton, lastTime, time, events, eventsCount, alpha, setupPose, mixingOut);
}
/**/
typedef struct _spTimelineVtable {
void (*apply) (const spTimeline* self, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents,
int* eventsCount, float alpha, int setupPose, int mixingOut);
int (*getPropertyId) (const spTimeline* self);
void (*dispose) (spTimeline* self);
} _spTimelineVtable;
void _spTimeline_init (spTimeline* self, spTimelineType type, /**/
void (*dispose) (spTimeline* self), /**/
void (*apply) (const spTimeline* self, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents, int* eventsCount, float alpha, int setupPose, int mixingOut),
int (*getPropertyId) (const spTimeline* self)) {
CONST_CAST(spTimelineType, self->type) = type;
CONST_CAST(_spTimelineVtable*, self->vtable) = NEW(_spTimelineVtable);
VTABLE(spTimeline, self)->dispose = dispose;
VTABLE(spTimeline, self)->apply = apply;
VTABLE(spTimeline, self)->getPropertyId = getPropertyId;
}
void _spTimeline_deinit (spTimeline* self) {
FREE(self->vtable);
}
void spTimeline_dispose (spTimeline* self) {
VTABLE(spTimeline, self)->dispose(self);
}
void spTimeline_apply (const spTimeline* self, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents,
int* eventsCount, float alpha, int /*boolean*/ setupPose, int /*boolean*/ mixingOut) {
VTABLE(spTimeline, self)->apply(self, skeleton, lastTime, time, firedEvents, eventsCount, alpha, setupPose, mixingOut);
}
int spTimeline_getPropertyId (const spTimeline* self) {
return VTABLE(spTimeline, self)->getPropertyId(self);
}
/**/
static const float CURVE_LINEAR = 0, CURVE_STEPPED = 1, CURVE_BEZIER = 2;
static const int BEZIER_SIZE = 10 * 2 - 1;
void _spCurveTimeline_init (spCurveTimeline* self, spTimelineType type, int framesCount, /**/
void (*dispose) (spTimeline* self), /**/
void (*apply) (const spTimeline* self, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents, int* eventsCount, float alpha, int setupPose, int mixingOut),
int (*getPropertyId)(const spTimeline* self)) {
_spTimeline_init(SUPER(self), type, dispose, apply, getPropertyId);
self->curves = CALLOC(float, (framesCount - 1) * BEZIER_SIZE);
}
void _spCurveTimeline_deinit (spCurveTimeline* self) {
_spTimeline_deinit(SUPER(self));
FREE(self->curves);
}
void spCurveTimeline_setLinear (spCurveTimeline* self, int frameIndex) {
self->curves[frameIndex * BEZIER_SIZE] = CURVE_LINEAR;
}
void spCurveTimeline_setStepped (spCurveTimeline* self, int frameIndex) {
self->curves[frameIndex * BEZIER_SIZE] = CURVE_STEPPED;
}
void spCurveTimeline_setCurve (spCurveTimeline* self, int frameIndex, float cx1, float cy1, float cx2, float cy2) {
float tmpx = (-cx1 * 2 + cx2) * 0.03f, tmpy = (-cy1 * 2 + cy2) * 0.03f;
float dddfx = ((cx1 - cx2) * 3 + 1) * 0.006f, dddfy = ((cy1 - cy2) * 3 + 1) * 0.006f;
float ddfx = tmpx * 2 + dddfx, ddfy = tmpy * 2 + dddfy;
float dfx = cx1 * 0.3f + tmpx + dddfx * 0.16666667f, dfy = cy1 * 0.3f + tmpy + dddfy * 0.16666667f;
float x = dfx, y = dfy;
int i = frameIndex * BEZIER_SIZE, n = i + BEZIER_SIZE - 1;
self->curves[i++] = CURVE_BEZIER;
for (; i < n; i += 2) {
self->curves[i] = x;
self->curves[i + 1] = y;
dfx += ddfx;
dfy += ddfy;
ddfx += dddfx;
ddfy += dddfy;
x += dfx;
y += dfy;
}
}
float spCurveTimeline_getCurvePercent (const spCurveTimeline* self, int frameIndex, float percent) {
float x, y;
int i = frameIndex * BEZIER_SIZE, start, n;
float type = self->curves[i];
percent = CLAMP(percent, 0, 1);
if (type == CURVE_LINEAR) return percent;
if (type == CURVE_STEPPED) return 0;
i++;
x = 0;
for (start = i, n = i + BEZIER_SIZE - 1; i < n; i += 2) {
x = self->curves[i];
if (x >= percent) {
float prevX, prevY;
if (i == start) {
prevX = 0;
prevY = 0;
} else {
prevX = self->curves[i - 2];
prevY = self->curves[i - 1];
}
return prevY + (self->curves[i + 1] - prevY) * (percent - prevX) / (x - prevX);
}
}
y = self->curves[i - 1];
return y + (1 - y) * (percent - x) / (1 - x); /* Last point is 1,1. */
}
/* @param target After the first and before the last entry. */
static int binarySearch (float *values, int valuesLength, float target, int step) {
int low = 0, current;
int high = valuesLength / step - 2;
if (high == 0) return step;
current = high >> 1;
while (1) {
if (values[(current + 1) * step] <= target)
low = current + 1;
else
high = current;
if (low == high) return (low + 1) * step;
current = (low + high) >> 1;
}
return 0;
}
int _spCurveTimeline_binarySearch (float *values, int valuesLength, float target, int step) {
return binarySearch(values, valuesLength, target, step);
}
/* @param target After the first and before the last entry. */
static int binarySearch1 (float *values, int valuesLength, float target) {
int low = 0, current;
int high = valuesLength - 2;
if (high == 0) return 1;
current = high >> 1;
while (1) {
if (values[(current + 1)] <= target)
low = current + 1;
else
high = current;
if (low == high) return low + 1;
current = (low + high) >> 1;
}
return 0;
}
/**/
void _spBaseTimeline_dispose (spTimeline* timeline) {
struct spBaseTimeline* self = SUB_CAST(struct spBaseTimeline, timeline);
_spCurveTimeline_deinit(SUPER(self));
FREE(self->frames);
FREE(self);
}
/* Many timelines have structure identical to struct spBaseTimeline and extend spCurveTimeline. **/
struct spBaseTimeline* _spBaseTimeline_create (int framesCount, spTimelineType type, int frameSize, /**/
void (*apply) (const spTimeline* self, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents,
int* eventsCount, float alpha, int setupPose, int mixingOut),
int (*getPropertyId) (const spTimeline* self)) {
struct spBaseTimeline* self = NEW(struct spBaseTimeline);
_spCurveTimeline_init(SUPER(self), type, framesCount, _spBaseTimeline_dispose, apply, getPropertyId);
CONST_CAST(int, self->framesCount) = framesCount * frameSize;
CONST_CAST(float*, self->frames) = CALLOC(float, self->framesCount);
return self;
}
/**/
void _spRotateTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents,
int* eventsCount, float alpha, int setupPose, int mixingOut) {
spBone *bone;
int frame;
float prevRotation, frameTime, percent, r;
spRotateTimeline* self = SUB_CAST(spRotateTimeline, timeline);
bone = skeleton->bones[self->boneIndex];
if (time < self->frames[0]) {
if (setupPose) bone->rotation = bone->data->rotation;
return;
}
if (time >= self->frames[self->framesCount - ROTATE_ENTRIES]) { /* Time is after last frame. */
if (setupPose)
bone->rotation = bone->data->rotation + self->frames[self->framesCount + ROTATE_PREV_ROTATION] * alpha;
else {
r = bone->data->rotation + self->frames[self->framesCount + ROTATE_PREV_ROTATION] - bone->rotation;
r -= (16384 - (int)(16384.499999999996 - r / 360)) * 360; /* Wrap within -180 and 180. */
bone->rotation += r * alpha;
}
return;
}
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(self->frames, self->framesCount, time, ROTATE_ENTRIES);
prevRotation = self->frames[frame + ROTATE_PREV_ROTATION];
frameTime = self->frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), (frame >> 1) - 1, 1 - (time - frameTime) / (self->frames[frame + ROTATE_PREV_TIME] - frameTime));
r = self->frames[frame + ROTATE_ROTATION] - prevRotation;
r -= (16384 - (int)(16384.499999999996 - r / 360)) * 360;
r = prevRotation + r * percent;
if (setupPose) {
r -= (16384 - (int)(16384.499999999996 - r / 360)) * 360;
bone->rotation = bone->data->rotation + r * alpha;
} else {
r = bone->data->rotation + r - bone->rotation;
r -= (16384 - (int)(16384.499999999996 - r / 360)) * 360;
bone->rotation += r * alpha;
}
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spRotateTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_ROTATE << 25) + SUB_CAST(spRotateTimeline, timeline)->boneIndex;
}
spRotateTimeline* spRotateTimeline_create (int framesCount) {
return _spBaseTimeline_create(framesCount, SP_TIMELINE_ROTATE, ROTATE_ENTRIES, _spRotateTimeline_apply, _spRotateTimeline_getPropertyId);
}
void spRotateTimeline_setFrame (spRotateTimeline* self, int frameIndex, float time, float degrees) {
frameIndex <<= 1;
self->frames[frameIndex] = time;
self->frames[frameIndex + ROTATE_ROTATION] = degrees;
}
/**/
static const int TRANSLATE_PREV_TIME = -3, TRANSLATE_PREV_X = -2, TRANSLATE_PREV_Y = -1;
static const int TRANSLATE_X = 1, TRANSLATE_Y = 2;
void _spTranslateTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time,
spEvent** firedEvents, int* eventsCount, float alpha, int setupPose, int mixingOut) {
spBone *bone;
int frame;
float frameTime, percent;
float x, y;
float *frames;
int framesCount;
spTranslateTimeline* self = SUB_CAST(spTranslateTimeline, timeline);
bone = skeleton->bones[self->boneIndex];
if (time < self->frames[0]) {
if (setupPose) {
bone->x = bone->data->x;
bone->y = bone->data->y;
}
return;
}
frames = self->frames;
framesCount = self->framesCount;
if (time >= frames[framesCount - TRANSLATE_ENTRIES]) { /* Time is after last frame. */
x = frames[framesCount + TRANSLATE_PREV_X];
y = frames[framesCount + TRANSLATE_PREV_Y];
} else {
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(frames, framesCount, time, TRANSLATE_ENTRIES);
x = frames[frame + TRANSLATE_PREV_X];
y = frames[frame + TRANSLATE_PREV_Y];
frameTime = frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), frame / TRANSLATE_ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + TRANSLATE_PREV_TIME] - frameTime));
x += (frames[frame + TRANSLATE_X] - x) * percent;
y += (frames[frame + TRANSLATE_Y] - y) * percent;
}
if (setupPose) {
bone->x = bone->data->x + x * alpha;
bone->y = bone->data->y + y * alpha;
} else {
bone->x += (bone->data->x + x - bone->x) * alpha;
bone->y += (bone->data->y + y - bone->y) * alpha;
}
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spTranslateTimeline_getPropertyId (const spTimeline* self) {
return (SP_TIMELINE_TRANSLATE << 24) + SUB_CAST(spTranslateTimeline, self)->boneIndex;
}
spTranslateTimeline* spTranslateTimeline_create (int framesCount) {
return _spBaseTimeline_create(framesCount, SP_TIMELINE_TRANSLATE, TRANSLATE_ENTRIES, _spTranslateTimeline_apply, _spTranslateTimeline_getPropertyId);
}
void spTranslateTimeline_setFrame (spTranslateTimeline* self, int frameIndex, float time, float x, float y) {
frameIndex *= TRANSLATE_ENTRIES;
self->frames[frameIndex] = time;
self->frames[frameIndex + TRANSLATE_X] = x;
self->frames[frameIndex + TRANSLATE_Y] = y;
}
/**/
void _spScaleTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents,
int* eventsCount, float alpha, int setupPose, int mixingOut) {
spBone *bone;
int frame;
float frameTime, percent, x, y;
float *frames;
int framesCount;
spScaleTimeline* self = SUB_CAST(spScaleTimeline, timeline);
bone = skeleton->bones[self->boneIndex];
if (time < self->frames[0]) {
if (setupPose) {
bone->scaleX = bone->data->scaleX;
bone->scaleY = bone->data->scaleY;
}
return;
}
frames = self->frames;
framesCount = self->framesCount;
if (time >= frames[framesCount - TRANSLATE_ENTRIES]) { /* Time is after last frame. */
x = frames[framesCount + TRANSLATE_PREV_X] * bone->data->scaleX;
y = frames[framesCount + TRANSLATE_PREV_Y] * bone->data->scaleY;
} else {
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(frames, framesCount, time, TRANSLATE_ENTRIES);
x = frames[frame + TRANSLATE_PREV_X];
y = frames[frame + TRANSLATE_PREV_Y];
frameTime = frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), frame / TRANSLATE_ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + TRANSLATE_PREV_TIME] - frameTime));
x = (x + (frames[frame + TRANSLATE_X] - x) * percent) * bone->data->scaleX;
y = (y + (frames[frame + TRANSLATE_Y] - y) * percent) * bone->data->scaleY;
}
if (alpha == 1) {
bone->scaleX = x;
bone->scaleY = y;
} else {
float bx, by;
if (setupPose) {
bx = bone->data->scaleX;
by = bone->data->scaleY;
} else {
bx = bone->scaleX;
by = bone->scaleY;
}
/* Mixing out uses sign of setup or current pose, else use sign of key. */
if (mixingOut) {
x = ABS(x) * SIGNUM(bx);
y = ABS(y) * SIGNUM(by);
} else {
bx = ABS(bx) * SIGNUM(x);
by = ABS(by) * SIGNUM(y);
}
bone->scaleX = bx + (x - bx) * alpha;
bone->scaleY = by + (y - by) * alpha;
}
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spScaleTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_SCALE << 24) + SUB_CAST(spScaleTimeline, timeline)->boneIndex;
}
spScaleTimeline* spScaleTimeline_create (int framesCount) {
return _spBaseTimeline_create(framesCount, SP_TIMELINE_SCALE, TRANSLATE_ENTRIES, _spScaleTimeline_apply, _spScaleTimeline_getPropertyId);
}
void spScaleTimeline_setFrame (spScaleTimeline* self, int frameIndex, float time, float x, float y) {
spTranslateTimeline_setFrame(self, frameIndex, time, x, y);
}
/**/
void _spShearTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents,
int* eventsCount, float alpha, int setupPose, int mixingOut) {
spBone *bone;
int frame;
float frameTime, percent, x, y;
float *frames;
int framesCount;
spShearTimeline* self = SUB_CAST(spShearTimeline, timeline);
bone = skeleton->bones[self->boneIndex];
frames = self->frames;
framesCount = self->framesCount;
if (time < self->frames[0]) {
if (setupPose) {
bone->shearX = bone->data->shearX;
bone->shearY = bone->data->shearY;
}
return;
}
if (time >= frames[framesCount - TRANSLATE_ENTRIES]) { /* Time is after last frame. */
x = frames[framesCount + TRANSLATE_PREV_X];
y = frames[framesCount + TRANSLATE_PREV_Y];
} else {
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(frames, framesCount, time, TRANSLATE_ENTRIES);
x = frames[frame + TRANSLATE_PREV_X];
y = frames[frame + TRANSLATE_PREV_Y];
frameTime = frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), frame / TRANSLATE_ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + TRANSLATE_PREV_TIME] - frameTime));
x = x + (frames[frame + TRANSLATE_X] - x) * percent;
y = y + (frames[frame + TRANSLATE_Y] - y) * percent;
}
if (setupPose) {
bone->shearX = bone->data->shearX + x * alpha;
bone->shearY = bone->data->shearY + y * alpha;
} else {
bone->shearX += (bone->data->shearX + x - bone->shearX) * alpha;
bone->shearY += (bone->data->shearY + y - bone->shearY) * alpha;
}
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spShearTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_SHEAR << 24) + SUB_CAST(spShearTimeline, timeline)->boneIndex;
}
spShearTimeline* spShearTimeline_create (int framesCount) {
return (spShearTimeline*)_spBaseTimeline_create(framesCount, SP_TIMELINE_SHEAR, 3, _spShearTimeline_apply, _spShearTimeline_getPropertyId);
}
void spShearTimeline_setFrame (spShearTimeline* self, int frameIndex, float time, float x, float y) {
spTranslateTimeline_setFrame(self, frameIndex, time, x, y);
}
/**/
static const int COLOR_PREV_TIME = -5, COLOR_PREV_R = -4, COLOR_PREV_G = -3, COLOR_PREV_B = -2, COLOR_PREV_A = -1;
static const int COLOR_R = 1, COLOR_G = 2, COLOR_B = 3, COLOR_A = 4;
void _spColorTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents,
int* eventsCount, float alpha, int setupPose, int mixingOut) {
spSlot *slot;
int frame;
float percent, frameTime;
float r, g, b, a;
spColorTimeline* self = (spColorTimeline*)timeline;
slot = skeleton->slots[self->slotIndex];
if (time < self->frames[0]) {
if (setupPose) {
slot->r = slot->data->r;
slot->g = slot->data->g;
slot->b = slot->data->b;
slot->a = slot->data->a;
}
return;
}
if (time >= self->frames[self->framesCount - 5]) { /* Time is after last frame */
int i = self->framesCount;
r = self->frames[i + COLOR_PREV_R];
g = self->frames[i + COLOR_PREV_G];
b = self->frames[i + COLOR_PREV_B];
a = self->frames[i + COLOR_PREV_A];
} else {
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(self->frames, self->framesCount, time, COLOR_ENTRIES);
r = self->frames[frame + COLOR_PREV_R];
g = self->frames[frame + COLOR_PREV_G];
b = self->frames[frame + COLOR_PREV_B];
a = self->frames[frame + COLOR_PREV_A];
frameTime = self->frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), frame / COLOR_ENTRIES - 1,
1 - (time - frameTime) / (self->frames[frame + COLOR_PREV_TIME] - frameTime));
r += (self->frames[frame + COLOR_R] - r) * percent;
g += (self->frames[frame + COLOR_G] - g) * percent;
b += (self->frames[frame + COLOR_B] - b) * percent;
a += (self->frames[frame + COLOR_A] - a) * percent;
}
if (alpha == 1) {
slot->r = r;
slot->g = g;
slot->b = b;
slot->a = a;
} else {
if (setupPose) {
slot->r = slot->data->r;
slot->g = slot->data->g;
slot->b = slot->data->b;
slot->a = slot->data->a;
}
slot->r += (r - slot->r) * alpha;
slot->g += (g - slot->g) * alpha;
slot->b += (b - slot->b) * alpha;
slot->a += (a - slot->a) * alpha;
}
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spColorTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_COLOR << 24) + SUB_CAST(spColorTimeline, timeline)->slotIndex;
}
spColorTimeline* spColorTimeline_create (int framesCount) {
return (spColorTimeline*)_spBaseTimeline_create(framesCount, SP_TIMELINE_COLOR, 5, _spColorTimeline_apply, _spColorTimeline_getPropertyId);
}
void spColorTimeline_setFrame (spColorTimeline* self, int frameIndex, float time, float r, float g, float b, float a) {
frameIndex *= COLOR_ENTRIES;
self->frames[frameIndex] = time;
self->frames[frameIndex + COLOR_R] = r;
self->frames[frameIndex + COLOR_G] = g;
self->frames[frameIndex + COLOR_B] = b;
self->frames[frameIndex + COLOR_A] = a;
}
/**/
void _spAttachmentTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time,
spEvent** firedEvents, int* eventsCount, float alpha, int setupPose, int mixingOut) {
const char* attachmentName;
spAttachmentTimeline* self = (spAttachmentTimeline*)timeline;
int frameIndex;
spSlot* slot = skeleton->slots[self->slotIndex];
if (mixingOut && setupPose) {
attachmentName = slot->data->attachmentName;
spSlot_setAttachment(slot, attachmentName ? spSkeleton_getAttachmentForSlotIndex(skeleton, self->slotIndex, attachmentName) : 0);
return;
}
if (time < self->frames[0]) {
if (setupPose) {
attachmentName = slot->data->attachmentName;
spSlot_setAttachment(skeleton->slots[self->slotIndex],
attachmentName ? spSkeleton_getAttachmentForSlotIndex(skeleton, self->slotIndex, attachmentName) : 0);
}
return;
}
if (time >= self->frames[self->framesCount - 1])
frameIndex = self->framesCount - 1;
else
frameIndex = binarySearch1(self->frames, self->framesCount, time) - 1;
attachmentName = self->attachmentNames[frameIndex];
spSlot_setAttachment(skeleton->slots[self->slotIndex],
attachmentName ? spSkeleton_getAttachmentForSlotIndex(skeleton, self->slotIndex, attachmentName) : 0);
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
UNUSED(alpha);
}
int _spAttachmentTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_ATTACHMENT << 24) + SUB_CAST(spAttachmentTimeline, timeline)->slotIndex;
}
void _spAttachmentTimeline_dispose (spTimeline* timeline) {
spAttachmentTimeline* self = SUB_CAST(spAttachmentTimeline, timeline);
int i;
_spTimeline_deinit(timeline);
for (i = 0; i < self->framesCount; ++i)
FREE(self->attachmentNames[i]);
FREE(self->attachmentNames);
FREE(self->frames);
FREE(self);
}
spAttachmentTimeline* spAttachmentTimeline_create (int framesCount) {
spAttachmentTimeline* self = NEW(spAttachmentTimeline);
_spTimeline_init(SUPER(self), SP_TIMELINE_ATTACHMENT, _spAttachmentTimeline_dispose, _spAttachmentTimeline_apply, _spAttachmentTimeline_getPropertyId);
CONST_CAST(int, self->framesCount) = framesCount;
CONST_CAST(float*, self->frames) = CALLOC(float, framesCount);
CONST_CAST(char**, self->attachmentNames) = CALLOC(char*, framesCount);
return self;
}
void spAttachmentTimeline_setFrame (spAttachmentTimeline* self, int frameIndex, float time, const char* attachmentName) {
self->frames[frameIndex] = time;
FREE(self->attachmentNames[frameIndex]);
if (attachmentName)
MALLOC_STR(self->attachmentNames[frameIndex], attachmentName);
else
self->attachmentNames[frameIndex] = 0;
}
/**/
void _spDeformTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents,
int* eventsCount, float alpha, int setupPose, int mixingOut) {
int frame, i, vertexCount;
float percent, frameTime;
const float* prevVertices;
const float* nextVertices;
float* frames;
int framesCount;
const float** frameVertices;
float* vertices;
spDeformTimeline* self = (spDeformTimeline*)timeline;
spSlot *slot = skeleton->slots[self->slotIndex];
if (slot->attachment != self->attachment) {
if (!slot->attachment) return;
switch (slot->attachment->type) {
case SP_ATTACHMENT_MESH: {
spMeshAttachment* mesh = SUB_CAST(spMeshAttachment, slot->attachment);
if (!mesh->inheritDeform || mesh->parentMesh != (void*)self->attachment) return;
break;
}
default:
return;
}
}
frames = self->frames;
framesCount = self->framesCount;
if (time < frames[0]) { /* Time is before first frame. */
if (setupPose) slot->attachmentVerticesCount = 0;
return;
}
vertexCount = self->frameVerticesCount;
if (slot->attachmentVerticesCount < vertexCount) {
if (slot->attachmentVerticesCapacity < vertexCount) {
FREE(slot->attachmentVertices);
slot->attachmentVertices = MALLOC(float, vertexCount);
slot->attachmentVerticesCapacity = vertexCount;
}
}
if (slot->attachmentVerticesCount != vertexCount) alpha = 1; /* Don't mix from uninitialized slot vertices. */
slot->attachmentVerticesCount = vertexCount;
frameVertices = self->frameVertices;
vertices = slot->attachmentVertices;
if (time >= frames[framesCount - 1]) { /* Time is after last frame. */
const float* lastVertices = self->frameVertices[framesCount - 1];
if (alpha == 1) {
/* Vertex positions or deform offsets, no alpha. */
memcpy(vertices, lastVertices, vertexCount * sizeof(float));
} else if (setupPose) {
spVertexAttachment* vertexAttachment = SUB_CAST(spVertexAttachment, slot->attachment);
if (!vertexAttachment->bones) {
/* Unweighted vertex positions, with alpha. */
float* setupVertices = vertexAttachment->vertices;
for (i = 0; i < vertexCount; i++) {
float setup = setupVertices[i];
vertices[i] = setup + (lastVertices[i] - setup) * alpha;
}
} else {
/* Weighted deform offsets, with alpha. */
for (i = 0; i < vertexCount; i++)
vertices[i] = lastVertices[i] * alpha;
}
} else {
/* Vertex positions or deform offsets, with alpha. */
for (i = 0; i < vertexCount; i++)
vertices[i] += (lastVertices[i] - vertices[i]) * alpha;
}
return;
}
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(frames, framesCount, time, 1);
prevVertices = frameVertices[frame - 1];
nextVertices = frameVertices[frame];
frameTime = frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), frame - 1, 1 - (time - frameTime) / (frames[frame - 1] - frameTime));
if (alpha == 1) {
/* Vertex positions or deform offsets, no alpha. */
for (i = 0; i < vertexCount; i++) {
float prev = prevVertices[i];
vertices[i] = prev + (nextVertices[i] - prev) * percent;
}
} else if (setupPose) {
spVertexAttachment* vertexAttachment = SUB_CAST(spVertexAttachment, slot->attachment);
if (!vertexAttachment->bones) {
/* Unweighted vertex positions, with alpha. */
float* setupVertices = vertexAttachment->vertices;
for (i = 0; i < vertexCount; i++) {
float prev = prevVertices[i], setup = setupVertices[i];
vertices[i] = setup + (prev + (nextVertices[i] - prev) * percent - setup) * alpha;
}
} else {
/* Weighted deform offsets, with alpha. */
for (i = 0; i < vertexCount; i++) {
float prev = prevVertices[i];
vertices[i] = (prev + (nextVertices[i] - prev) * percent) * alpha;
}
}
} else {
/* Vertex positions or deform offsets, with alpha. */
for (i = 0; i < vertexCount; i++) {
float prev = prevVertices[i];
vertices[i] += (prev + (nextVertices[i] - prev) * percent - vertices[i]) * alpha;
}
}
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spDeformTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_DEFORM << 24) + SUB_CAST(spDeformTimeline, timeline)->slotIndex;
}
void _spDeformTimeline_dispose (spTimeline* timeline) {
spDeformTimeline* self = SUB_CAST(spDeformTimeline, timeline);
int i;
_spCurveTimeline_deinit(SUPER(self));
for (i = 0; i < self->framesCount; ++i)
FREE(self->frameVertices[i]);
FREE(self->frameVertices);
FREE(self->frames);
FREE(self);
}
spDeformTimeline* spDeformTimeline_create (int framesCount, int frameVerticesCount) {
spDeformTimeline* self = NEW(spDeformTimeline);
_spCurveTimeline_init(SUPER(self), SP_TIMELINE_DEFORM, framesCount, _spDeformTimeline_dispose, _spDeformTimeline_apply, _spDeformTimeline_getPropertyId);
CONST_CAST(int, self->framesCount) = framesCount;
CONST_CAST(float*, self->frames) = CALLOC(float, self->framesCount);
CONST_CAST(float**, self->frameVertices) = CALLOC(float*, framesCount);
CONST_CAST(int, self->frameVerticesCount) = frameVerticesCount;
return self;
}
void spDeformTimeline_setFrame (spDeformTimeline* self, int frameIndex, float time, float* vertices) {
self->frames[frameIndex] = time;
FREE(self->frameVertices[frameIndex]);
if (!vertices)
self->frameVertices[frameIndex] = 0;
else {
self->frameVertices[frameIndex] = MALLOC(float, self->frameVerticesCount);
memcpy(CONST_CAST(float*, self->frameVertices[frameIndex]), vertices, self->frameVerticesCount * sizeof(float));
}
}
/**/
/** Fires events for frames > lastTime and <= time. */
void _spEventTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time, spEvent** firedEvents,
int* eventsCount, float alpha, int setupPose, int mixingOut) {
spEventTimeline* self = (spEventTimeline*)timeline;
int frame;
if (!firedEvents) return;
if (lastTime > time) { /* Fire events after last time for looped animations. */
_spEventTimeline_apply(timeline, skeleton, lastTime, (float)INT_MAX, firedEvents, eventsCount, alpha, setupPose, mixingOut);
lastTime = -1;
} else if (lastTime >= self->frames[self->framesCount - 1]) /* Last time is after last frame. */
return;
if (time < self->frames[0]) return; /* Time is before first frame. */
if (lastTime < self->frames[0])
frame = 0;
else {
float frameTime;
frame = binarySearch1(self->frames, self->framesCount, lastTime);
frameTime = self->frames[frame];
while (frame > 0) { /* Fire multiple events with the same frame. */
if (self->frames[frame - 1] != frameTime) break;
frame--;
}
}
for (; frame < self->framesCount && time >= self->frames[frame]; ++frame) {
firedEvents[*eventsCount] = self->events[frame];
(*eventsCount)++;
}
}
int _spEventTimeline_getPropertyId (const spTimeline* timeline) {
return SP_TIMELINE_EVENT << 24;
}
void _spEventTimeline_dispose (spTimeline* timeline) {
spEventTimeline* self = SUB_CAST(spEventTimeline, timeline);
int i;
_spTimeline_deinit(timeline);
for (i = 0; i < self->framesCount; ++i)
spEvent_dispose(self->events[i]);
FREE(self->events);
FREE(self->frames);
FREE(self);
}
spEventTimeline* spEventTimeline_create (int framesCount) {
spEventTimeline* self = NEW(spEventTimeline);
_spTimeline_init(SUPER(self), SP_TIMELINE_EVENT, _spEventTimeline_dispose, _spEventTimeline_apply, _spEventTimeline_getPropertyId);
CONST_CAST(int, self->framesCount) = framesCount;
CONST_CAST(float*, self->frames) = CALLOC(float, framesCount);
CONST_CAST(spEvent**, self->events) = CALLOC(spEvent*, framesCount);
return self;
}
void spEventTimeline_setFrame (spEventTimeline* self, int frameIndex, spEvent* event) {
self->frames[frameIndex] = event->time;
FREE(self->events[frameIndex]);
self->events[frameIndex] = event;
}
/**/
void _spDrawOrderTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time,
spEvent** firedEvents, int* eventsCount, float alpha, int setupPose, int mixingOut) {
int i;
int frame;
const int* drawOrderToSetupIndex;
spDrawOrderTimeline* self = (spDrawOrderTimeline*)timeline;
if (mixingOut && setupPose) {
memcpy(skeleton->drawOrder, skeleton->slots, self->slotsCount * sizeof(spSlot*));
return;
}
if (time < self->frames[0]) {
if (setupPose) memcpy(skeleton->drawOrder, skeleton->slots, self->slotsCount * sizeof(spSlot*));
return;
}
if (time >= self->frames[self->framesCount - 1]) /* Time is after last frame. */
frame = self->framesCount - 1;
else
frame = binarySearch1(self->frames, self->framesCount, time) - 1;
drawOrderToSetupIndex = self->drawOrders[frame];
if (!drawOrderToSetupIndex)
memcpy(skeleton->drawOrder, skeleton->slots, self->slotsCount * sizeof(spSlot*));
else {
for (i = 0; i < self->slotsCount; ++i)
skeleton->drawOrder[i] = skeleton->slots[drawOrderToSetupIndex[i]];
}
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
UNUSED(alpha);
}
int _spDrawOrderTimeline_getPropertyId (const spTimeline* timeline) {
return SP_TIMELINE_DRAWORDER << 24;
}
void _spDrawOrderTimeline_dispose (spTimeline* timeline) {
spDrawOrderTimeline* self = SUB_CAST(spDrawOrderTimeline, timeline);
int i;
_spTimeline_deinit(timeline);
for (i = 0; i < self->framesCount; ++i)
FREE(self->drawOrders[i]);
FREE(self->drawOrders);
FREE(self->frames);
FREE(self);
}
spDrawOrderTimeline* spDrawOrderTimeline_create (int framesCount, int slotsCount) {
spDrawOrderTimeline* self = NEW(spDrawOrderTimeline);
_spTimeline_init(SUPER(self), SP_TIMELINE_DRAWORDER, _spDrawOrderTimeline_dispose, _spDrawOrderTimeline_apply, _spDrawOrderTimeline_getPropertyId);
CONST_CAST(int, self->framesCount) = framesCount;
CONST_CAST(float*, self->frames) = CALLOC(float, framesCount);
CONST_CAST(int**, self->drawOrders) = CALLOC(int*, framesCount);
CONST_CAST(int, self->slotsCount) = slotsCount;
return self;
}
void spDrawOrderTimeline_setFrame (spDrawOrderTimeline* self, int frameIndex, float time, const int* drawOrder) {
self->frames[frameIndex] = time;
FREE(self->drawOrders[frameIndex]);
if (!drawOrder)
self->drawOrders[frameIndex] = 0;
else {
self->drawOrders[frameIndex] = MALLOC(int, self->slotsCount);
memcpy(CONST_CAST(int*, self->drawOrders[frameIndex]), drawOrder, self->slotsCount * sizeof(int));
}
}
/**/
static const int IKCONSTRAINT_PREV_TIME = -3, IKCONSTRAINT_PREV_MIX = -2, IKCONSTRAINT_PREV_BEND_DIRECTION = -1;
static const int IKCONSTRAINT_MIX = 1, IKCONSTRAINT_BEND_DIRECTION = 2;
void _spIkConstraintTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time,
spEvent** firedEvents, int* eventsCount, float alpha, int setupPose, int mixingOut) {
int frame;
float frameTime, percent, mix;
float *frames;
int framesCount;
spIkConstraint* constraint;
spIkConstraintTimeline* self = (spIkConstraintTimeline*)timeline;
constraint = skeleton->ikConstraints[self->ikConstraintIndex];
if (time < self->frames[0]) {
if (setupPose) {
constraint->mix = constraint->data->mix;
constraint->bendDirection = constraint->data->bendDirection;
}
return;
}
frames = self->frames;
framesCount = self->framesCount;
if (time >= frames[framesCount - IKCONSTRAINT_ENTRIES]) { /* Time is after last frame. */
if (setupPose) {
constraint->mix = constraint->data->mix + (frames[framesCount + IKCONSTRAINT_PREV_MIX] - constraint->data->mix) * alpha;
constraint->bendDirection = mixingOut ? constraint->data->bendDirection
: (int)frames[framesCount + IKCONSTRAINT_PREV_BEND_DIRECTION];
} else {
constraint->mix += (frames[framesCount + IKCONSTRAINT_PREV_MIX] - constraint->mix) * alpha;
if (!mixingOut) constraint->bendDirection = (int)frames[framesCount + IKCONSTRAINT_PREV_BEND_DIRECTION];
}
return;
}
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(self->frames, self->framesCount, time, IKCONSTRAINT_ENTRIES);
mix = self->frames[frame + IKCONSTRAINT_PREV_MIX];
frameTime = self->frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), frame / IKCONSTRAINT_ENTRIES - 1, 1 - (time - frameTime) / (self->frames[frame + IKCONSTRAINT_PREV_TIME] - frameTime));
if (setupPose) {
constraint->mix = constraint->data->mix + (mix + (frames[frame + IKCONSTRAINT_MIX] - mix) * percent - constraint->data->mix) * alpha;
constraint->bendDirection = mixingOut ? constraint->data->bendDirection : (int)frames[frame + IKCONSTRAINT_PREV_BEND_DIRECTION];
} else {
constraint->mix += (mix + (frames[frame + IKCONSTRAINT_MIX] - mix) * percent - constraint->mix) * alpha;
if (!mixingOut) constraint->bendDirection = (int)frames[frame + IKCONSTRAINT_PREV_BEND_DIRECTION];
}
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spIkConstraintTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_IKCONSTRAINT << 24) + SUB_CAST(spIkConstraintTimeline, timeline)->ikConstraintIndex;
}
spIkConstraintTimeline* spIkConstraintTimeline_create (int framesCount) {
return (spIkConstraintTimeline*)_spBaseTimeline_create(framesCount, SP_TIMELINE_IKCONSTRAINT, IKCONSTRAINT_ENTRIES, _spIkConstraintTimeline_apply, _spIkConstraintTimeline_getPropertyId);
}
void spIkConstraintTimeline_setFrame (spIkConstraintTimeline* self, int frameIndex, float time, float mix, int bendDirection) {
frameIndex *= IKCONSTRAINT_ENTRIES;
self->frames[frameIndex] = time;
self->frames[frameIndex + IKCONSTRAINT_MIX] = mix;
self->frames[frameIndex + IKCONSTRAINT_BEND_DIRECTION] = (float)bendDirection;
}
/**/
static const int TRANSFORMCONSTRAINT_PREV_TIME = -5;
static const int TRANSFORMCONSTRAINT_PREV_ROTATE = -4;
static const int TRANSFORMCONSTRAINT_PREV_TRANSLATE = -3;
static const int TRANSFORMCONSTRAINT_PREV_SCALE = -2;
static const int TRANSFORMCONSTRAINT_PREV_SHEAR = -1;
static const int TRANSFORMCONSTRAINT_ROTATE = 1;
static const int TRANSFORMCONSTRAINT_TRANSLATE = 2;
static const int TRANSFORMCONSTRAINT_SCALE = 3;
static const int TRANSFORMCONSTRAINT_SHEAR = 4;
void _spTransformConstraintTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time,
spEvent** firedEvents, int* eventsCount, float alpha, int setupPose, int mixingOut) {
int frame;
float frameTime, percent, rotate, translate, scale, shear;
spTransformConstraint* constraint;
spTransformConstraintTimeline* self = (spTransformConstraintTimeline*)timeline;
float *frames;
int framesCount;
constraint = skeleton->transformConstraints[self->transformConstraintIndex];
if (time < self->frames[0]) {
if (setupPose) {
spTransformConstraintData* data = constraint->data;
constraint->rotateMix = data->rotateMix;
constraint->translateMix = data->translateMix;
constraint->scaleMix = data->scaleMix;
constraint->shearMix = data->shearMix;
}
return;
}
frames = self->frames;
framesCount = self->framesCount;
if (time >= frames[framesCount - TRANSFORMCONSTRAINT_ENTRIES]) { /* Time is after last frame. */
int i = framesCount;
rotate = frames[i + TRANSFORMCONSTRAINT_PREV_ROTATE];
translate = frames[i + TRANSFORMCONSTRAINT_PREV_TRANSLATE];
scale = frames[i + TRANSFORMCONSTRAINT_PREV_SCALE];
shear = frames[i + TRANSFORMCONSTRAINT_PREV_SHEAR];
} else {
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(frames, framesCount, time, TRANSFORMCONSTRAINT_ENTRIES);
rotate = frames[frame + TRANSFORMCONSTRAINT_PREV_ROTATE];
translate = frames[frame + TRANSFORMCONSTRAINT_PREV_TRANSLATE];
scale = frames[frame + TRANSFORMCONSTRAINT_PREV_SCALE];
shear = frames[frame + TRANSFORMCONSTRAINT_PREV_SHEAR];
frameTime = frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), frame / TRANSFORMCONSTRAINT_ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + TRANSFORMCONSTRAINT_PREV_TIME] - frameTime));
rotate += (frames[frame + TRANSFORMCONSTRAINT_ROTATE] - rotate) * percent;
translate += (frames[frame + TRANSFORMCONSTRAINT_TRANSLATE] - translate) * percent;
scale += (frames[frame + TRANSFORMCONSTRAINT_SCALE] - scale) * percent;
shear += (frames[frame + TRANSFORMCONSTRAINT_SHEAR] - shear) * percent;
}
if (setupPose) {
spTransformConstraintData* data = constraint->data;
constraint->rotateMix = data->rotateMix + (rotate - data->rotateMix) * alpha;
constraint->translateMix = data->translateMix + (translate - data->translateMix) * alpha;
constraint->scaleMix = data->scaleMix + (scale - data->scaleMix) * alpha;
constraint->shearMix = data->shearMix + (shear - data->shearMix) * alpha;
} else {
constraint->rotateMix += (rotate - constraint->rotateMix) * alpha;
constraint->translateMix += (translate - constraint->translateMix) * alpha;
constraint->scaleMix += (scale - constraint->scaleMix) * alpha;
constraint->shearMix += (shear - constraint->shearMix) * alpha;
}
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spTransformConstraintTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_TRANSFORMCONSTRAINT << 24) + SUB_CAST(spTransformConstraintTimeline, timeline)->transformConstraintIndex;
}
spTransformConstraintTimeline* spTransformConstraintTimeline_create (int framesCount) {
return (spTransformConstraintTimeline*)_spBaseTimeline_create(framesCount, SP_TIMELINE_TRANSFORMCONSTRAINT, TRANSFORMCONSTRAINT_ENTRIES, _spTransformConstraintTimeline_apply, _spTransformConstraintTimeline_getPropertyId);
}
void spTransformConstraintTimeline_setFrame (spTransformConstraintTimeline* self, int frameIndex, float time, float rotateMix, float translateMix, float scaleMix, float shearMix) {
frameIndex *= TRANSFORMCONSTRAINT_ENTRIES;
self->frames[frameIndex] = time;
self->frames[frameIndex + TRANSFORMCONSTRAINT_ROTATE] = rotateMix;
self->frames[frameIndex + TRANSFORMCONSTRAINT_TRANSLATE] = translateMix;
self->frames[frameIndex + TRANSFORMCONSTRAINT_SCALE] = scaleMix;
self->frames[frameIndex + TRANSFORMCONSTRAINT_SHEAR] = shearMix;
}
/**/
static const int PATHCONSTRAINTPOSITION_PREV_TIME = -2;
static const int PATHCONSTRAINTPOSITION_PREV_VALUE = -1;
static const int PATHCONSTRAINTPOSITION_VALUE = 1;
void _spPathConstraintPositionTimeline_apply(const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time,
spEvent** firedEvents, int* eventsCount, float alpha, int setupPose, int mixingOut) {
int frame;
float frameTime, percent, position;
spPathConstraint* constraint;
spPathConstraintPositionTimeline* self = (spPathConstraintPositionTimeline*)timeline;
float* frames;
int framesCount;
constraint = skeleton->pathConstraints[self->pathConstraintIndex];
if (time < self->frames[0]) {
if (setupPose) {
constraint->position = constraint->data->position;
}
return;
}
frames = self->frames;
framesCount = self->framesCount;
if (time >= frames[framesCount - PATHCONSTRAINTPOSITION_ENTRIES]) /* Time is after last frame. */
position = frames[framesCount + PATHCONSTRAINTPOSITION_PREV_VALUE];
else {
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(frames, framesCount, time, PATHCONSTRAINTPOSITION_ENTRIES);
position = frames[frame + PATHCONSTRAINTPOSITION_PREV_VALUE];
frameTime = frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), frame / PATHCONSTRAINTPOSITION_ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + PATHCONSTRAINTPOSITION_PREV_TIME] - frameTime));
position += (frames[frame + PATHCONSTRAINTPOSITION_VALUE] - position) * percent;
}
if (setupPose)
constraint->position = constraint->data->position + (position - constraint->data->position) * alpha;
else
constraint->position += (position - constraint->position) * alpha;
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spPathConstraintPositionTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_PATHCONSTRAINTPOSITION << 24) + SUB_CAST(spPathConstraintPositionTimeline, timeline)->pathConstraintIndex;
}
spPathConstraintPositionTimeline* spPathConstraintPositionTimeline_create (int framesCount) {
return (spPathConstraintPositionTimeline*)_spBaseTimeline_create(framesCount, SP_TIMELINE_PATHCONSTRAINTPOSITION, PATHCONSTRAINTPOSITION_ENTRIES, _spPathConstraintPositionTimeline_apply, _spPathConstraintPositionTimeline_getPropertyId);
}
void spPathConstraintPositionTimeline_setFrame (spPathConstraintPositionTimeline* self, int frameIndex, float time, float value) {
frameIndex *= PATHCONSTRAINTPOSITION_ENTRIES;
self->frames[frameIndex] = time;
self->frames[frameIndex + PATHCONSTRAINTPOSITION_VALUE] = value;
}
/**/
static const int PATHCONSTRAINTSPACING_PREV_TIME = -2;
static const int PATHCONSTRAINTSPACING_PREV_VALUE = -1;
static const int PATHCONSTRAINTSPACING_VALUE = 1;
void _spPathConstraintSpacingTimeline_apply(const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time,
spEvent** firedEvents, int* eventsCount, float alpha, int setupPose, int mixingOut) {
int frame;
float frameTime, percent, spacing;
spPathConstraint* constraint;
spPathConstraintSpacingTimeline* self = (spPathConstraintSpacingTimeline*)timeline;
float* frames;
int framesCount;
constraint = skeleton->pathConstraints[self->pathConstraintIndex];
if (time < self->frames[0]) {
if (setupPose) {
constraint->spacing = constraint->data->spacing;
}
return;
}
frames = self->frames;
framesCount = self->framesCount;
if (time >= frames[framesCount - PATHCONSTRAINTSPACING_ENTRIES]) /* Time is after last frame. */
spacing = frames[framesCount + PATHCONSTRAINTSPACING_PREV_VALUE];
else {
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(frames, framesCount, time, PATHCONSTRAINTSPACING_ENTRIES);
spacing = frames[frame + PATHCONSTRAINTSPACING_PREV_VALUE];
frameTime = frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), frame / PATHCONSTRAINTSPACING_ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + PATHCONSTRAINTSPACING_PREV_TIME] - frameTime));
spacing += (frames[frame + PATHCONSTRAINTSPACING_VALUE] - spacing) * percent;
}
if (setupPose)
constraint->spacing = constraint->data->spacing + (spacing - constraint->data->spacing) * alpha;
else
constraint->spacing += (spacing - constraint->spacing) * alpha;
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spPathConstraintSpacingTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_PATHCONSTRAINTSPACING << 24) + SUB_CAST(spPathConstraintSpacingTimeline, timeline)->pathConstraintIndex;
}
spPathConstraintSpacingTimeline* spPathConstraintSpacingTimeline_create (int framesCount) {
return (spPathConstraintSpacingTimeline*)_spBaseTimeline_create(framesCount, SP_TIMELINE_PATHCONSTRAINTSPACING, PATHCONSTRAINTSPACING_ENTRIES, _spPathConstraintSpacingTimeline_apply, _spPathConstraintSpacingTimeline_getPropertyId);
}
void spPathConstraintSpacingTimeline_setFrame (spPathConstraintSpacingTimeline* self, int frameIndex, float time, float value) {
frameIndex *= PATHCONSTRAINTSPACING_ENTRIES;
self->frames[frameIndex] = time;
self->frames[frameIndex + PATHCONSTRAINTSPACING_VALUE] = value;
}
/**/
static const int PATHCONSTRAINTMIX_PREV_TIME = -3;
static const int PATHCONSTRAINTMIX_PREV_ROTATE = -2;
static const int PATHCONSTRAINTMIX_PREV_TRANSLATE = -1;
static const int PATHCONSTRAINTMIX_ROTATE = 1;
static const int PATHCONSTRAINTMIX_TRANSLATE = 2;
void _spPathConstraintMixTimeline_apply(const spTimeline* timeline, spSkeleton* skeleton, float lastTime, float time,
spEvent** firedEvents, int* eventsCount, float alpha, int setupPose, int mixingOut) {
int frame;
float frameTime, percent, rotate, translate;
spPathConstraint* constraint;
spPathConstraintMixTimeline* self = (spPathConstraintMixTimeline*)timeline;
float* frames;
int framesCount;
constraint = skeleton->pathConstraints[self->pathConstraintIndex];
if (time < self->frames[0]) {
if (setupPose) {
constraint->rotateMix = constraint->data->rotateMix;
constraint->translateMix = constraint->data->translateMix;
}
return;
}
frames = self->frames;
framesCount = self->framesCount;
if (time >= frames[framesCount - PATHCONSTRAINTMIX_ENTRIES]) { /* Time is after last frame. */
rotate = frames[framesCount + PATHCONSTRAINTMIX_PREV_ROTATE];
translate = frames[framesCount + PATHCONSTRAINTMIX_PREV_TRANSLATE];
} else {
/* Interpolate between the previous frame and the current frame. */
frame = binarySearch(frames, framesCount, time, PATHCONSTRAINTMIX_ENTRIES);
rotate = frames[frame + PATHCONSTRAINTMIX_PREV_ROTATE];
translate = frames[frame + PATHCONSTRAINTMIX_PREV_TRANSLATE];
frameTime = frames[frame];
percent = spCurveTimeline_getCurvePercent(SUPER(self), frame / PATHCONSTRAINTMIX_ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + PATHCONSTRAINTMIX_PREV_TIME] - frameTime));
rotate += (frames[frame + PATHCONSTRAINTMIX_ROTATE] - rotate) * percent;
translate += (frames[frame + PATHCONSTRAINTMIX_TRANSLATE] - translate) * percent;
}
if (setupPose) {
constraint->rotateMix = constraint->data->rotateMix + (rotate - constraint->data->rotateMix) * alpha;
constraint->translateMix = constraint->data->translateMix + (translate - constraint->data->translateMix) * alpha;
} else {
constraint->rotateMix += (rotate - constraint->rotateMix) * alpha;
constraint->translateMix += (translate - constraint->translateMix) * alpha;
}
UNUSED(lastTime);
UNUSED(firedEvents);
UNUSED(eventsCount);
}
int _spPathConstraintMixTimeline_getPropertyId (const spTimeline* timeline) {
return (SP_TIMELINE_PATHCONSTRAINTMIX << 24) + SUB_CAST(spPathConstraintMixTimeline, timeline)->pathConstraintIndex;
}
spPathConstraintMixTimeline* spPathConstraintMixTimeline_create (int framesCount) {
return (spPathConstraintMixTimeline*)_spBaseTimeline_create(framesCount, SP_TIMELINE_PATHCONSTRAINTMIX, PATHCONSTRAINTMIX_ENTRIES, _spPathConstraintMixTimeline_apply, _spPathConstraintMixTimeline_getPropertyId);
}
void spPathConstraintMixTimeline_setFrame (spPathConstraintMixTimeline* self, int frameIndex, float time, float rotateMix, float translateMix) {
frameIndex *= PATHCONSTRAINTMIX_ENTRIES;
self->frames[frameIndex] = time;
self->frames[frameIndex + PATHCONSTRAINTMIX_ROTATE] = rotateMix;
self->frames[frameIndex + PATHCONSTRAINTMIX_TRANSLATE] = translateMix;
}