forked from GodotExplorer/spine
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spine.cpp
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spine.cpp
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/******************************************************************************
* 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.
*****************************************************************************/
#ifdef MODULE_SPINE_ENABLED
#include "spine.h"
#include "core/io/resource_loader.h"
#include "scene/2d/collision_object_2d.h"
#include "scene/resources/convex_polygon_shape_2d.h"
#include <core/engine.h>
#include <spine/extension.h>
#include <spine/spine.h>
#include <core/method_bind_ext.gen.inc>
#include "spine_slot.h"
Spine::SpineResource::SpineResource() {
atlas = NULL;
data = NULL;
}
Spine::SpineResource::~SpineResource() {
if (atlas != NULL)
spAtlas_dispose(atlas);
if (data != NULL)
spSkeletonData_dispose(data);
}
Array *Spine::invalid_names = NULL;
Array Spine::get_invalid_names() {
if (invalid_names == NULL) {
invalid_names = memnew(Array());
}
return *invalid_names;
}
void Spine::spine_animation_callback(spAnimationState *p_state, spEventType p_type, spTrackEntry *p_track, spEvent *p_event) {
((Spine *)p_state->rendererObject)->_on_animation_state_event(p_track->trackIndex, p_type, p_event, 1);
}
void Spine::_on_animation_state_event(int p_track, spEventType p_type, spEvent *p_event, int p_loop_count) {
switch (p_type) {
case SP_ANIMATION_START:
emit_signal("animation_start", p_track);
break;
case SP_ANIMATION_COMPLETE:
emit_signal("animation_complete", p_track, p_loop_count);
break;
case SP_ANIMATION_EVENT: {
Dictionary event;
event["name"] = p_event->data->name;
event["int"] = p_event->intValue;
event["float"] = p_event->floatValue;
event["string"] = p_event->stringValue ? p_event->stringValue : "";
emit_signal("animation_event", p_track, event);
} break;
case SP_ANIMATION_END:
emit_signal("animation_end", p_track);
break;
}
}
void Spine::_spine_dispose() {
if (playing) {
// stop first
stop();
}
if (state) {
spAnimationStateData_dispose(state->data);
spAnimationState_dispose(state);
}
if (skeleton)
spSkeleton_dispose(skeleton);
state = NULL;
skeleton = NULL;
res = RES();
for (AttachmentNodes::Element *E = attachment_nodes.front(); E; E = E->next()) {
AttachmentNode &node = E->get();
memdelete(node.ref);
}
attachment_nodes.clear();
update();
}
static Ref<Texture> spine_get_texture(spRegionAttachment *attachment) {
if (Ref<Texture> *ref = static_cast<Ref<Texture> *>(((spAtlasRegion *)attachment->rendererObject)->page->rendererObject))
return *ref;
return NULL;
}
static Ref<Texture> spine_get_texture(spMeshAttachment *attachment) {
if (Ref<Texture> *ref = static_cast<Ref<Texture> *>(((spAtlasRegion *)attachment->rendererObject)->page->rendererObject))
return *ref;
return NULL;
}
void Spine::_on_fx_draw() {
if (skeleton == NULL)
return;
fx_batcher.reset();
RID eci = fx_node->get_canvas_item();
// VisualServer::get_singleton()->canvas_item_add_set_blend_mode(eci, VS::MaterialBlendMode(fx_node->get_blend_mode()));
fx_batcher.flush(eci);
}
void Spine::draw_slot(SpineSlot *spine_slot) {
if (skeleton == NULL)
return;
auto slot = spine_slot->slot;
if (!slot->attachment)
return;
int additive = 0;
int fx_additive = 0;
int verties_count = 0;
unsigned short *triangles = NULL;
int triangles_count = 0;
float r = 0, g = 0, b = 0, a = 0;
RID ci = this->get_canvas_item();
batcher.reset();
// VisualServer::get_singleton()->canvas_item_add_set_blend_mode(ci, VS::MaterialBlendMode(get_blend_mode()));
const char *fx_prefix = fx_slot_prefix.get_data();
bool is_fx = false;
Ref<Texture> texture;
switch (slot->attachment->type) {
case SP_ATTACHMENT_REGION: {
spRegionAttachment *attachment = (spRegionAttachment *)slot->attachment;
is_fx = strstr(attachment->path, fx_prefix) != NULL;
// get points from Spine (2 pairs of x/ys for 4 points)
float spPoints[10];
int spPointCount = 8/2;
spRegionAttachment_computeWorldVertices(attachment, slot->bone, spPoints, 0, 2);
// get texture and uvs from Spine
texture = spine_get_texture(attachment);
const float *spUVs = attachment->uvs;
// the indices are fixed
static int spIndices[6] = { 0, 1, 2, 2, 3, 0 };
int spIndicesCount = 6;
// compute colors from Spine
Color color;
color.r = skeleton->color.r * slot->color.r * attachment->color.r;
color.g = skeleton->color.g * slot->color.g * attachment->color.g;
color.b = skeleton->color.b * slot->color.b * attachment->color.b;
color.a = skeleton->color.a * slot->color.a * attachment->color.a;
Vector<Vector2> p_points;
Vector<Color> p_colors;
Vector<Vector2> p_uvs;
int atPoint = 0;
for (int i = 0; i < spPointCount; i++, atPoint += 2) {
float xval = spPoints[atPoint];
float yval = spPoints[atPoint+1];
p_points.push_back(Vector2( flip_x ? -xval : xval, flip_y ? yval : -yval));
p_colors.push_back(color);
p_uvs.push_back(Vector2(spUVs[atPoint], spUVs[atPoint + 1]));
}
Vector<int> p_indices;
p_indices.resize(spIndicesCount);
memcpy(p_indices.ptrw(), spIndices, spIndicesCount * sizeof(int));
VisualServer::get_singleton()->canvas_item_add_triangle_array(spine_slot->get_canvas_item(),
p_indices,
p_points,
p_colors,
p_uvs,
Vector<int>(),
Vector<float>(),
texture->get_rid());
break;
}
case SP_ATTACHMENT_MESH: {
spMeshAttachment *attachment = (spMeshAttachment *)slot->attachment;
is_fx = strstr(attachment->path, fx_prefix) != NULL;
// get points from Spine (2 pairs of x/ys for 4 points)
spVertexAttachment_computeWorldVertices(SUPER(attachment), slot, 0, attachment->super.worldVerticesLength, world_verts.ptrw(), 0, 2);
float *spPoints = world_verts.ptrw();
int spPointCount = ((spVertexAttachment *)attachment)->worldVerticesLength / 2;
// get texture and uvs from Spine
texture = spine_get_texture(attachment);
const float *spUVs = attachment->uvs;
// the indices are fixed
unsigned short *spIndices = attachment->triangles;
int spIndicesCount = attachment->trianglesCount;
// compute colors from Spine
Color color;
color.r = skeleton->color.r * slot->color.r * attachment->color.r;
color.g = skeleton->color.g * slot->color.g * attachment->color.g;
color.b = skeleton->color.b * slot->color.b * attachment->color.b;
color.a = skeleton->color.a * slot->color.a * attachment->color.a;
Vector<Vector2> p_points;
Vector<Color> p_colors;
Vector<Vector2> p_uvs;
int atPoint = 0;
for (int i = 0; i < spPointCount; i++, atPoint += 2) {
float xval = spPoints[atPoint];
float yval = spPoints[atPoint + 1];
p_points.push_back(Vector2(flip_x ? -xval : xval, flip_y ? yval : -yval));
p_colors.push_back(color);
p_uvs.push_back(Vector2(spUVs[atPoint], spUVs[atPoint + 1]));
}
Vector<int> p_indices;
for (int i = 0; i < spIndicesCount; i++) {
p_indices.push_back(spIndices[i]);
}
VisualServer::get_singleton()->canvas_item_add_triangle_array(spine_slot->get_canvas_item(),
p_indices,
p_points,
p_colors,
p_uvs,
Vector<int>(),
Vector<float>(),
texture->get_rid());
break;
}
case SP_ATTACHMENT_BOUNDING_BOX: {
return;
}
}
if (texture.is_null())
return;
/*
if (is_fx && slot->data->blendMode != fx_additive) {
fx_batcher.add_set_blender_mode(slot->data->additiveBlending
? VisualServer::MATERIAL_BLEND_MODE_ADD
: get_blend_mode()
);
fx_additive = slot->data->additiveBlending;
}
else if (slot->data->additiveBlending != additive) {
batcher.add_set_blender_mode(slot->data->additiveBlending
? VisualServer::MATERIAL_BLEND_MODE_ADD
: fx_node->get_blend_mode()
);
additive = slot->data->additiveBlending;
}
*/
//color.a = skeleton->color.a * slot->color.a * a;
//color.r = skeleton->color.r * slot->color.r * r;
//color.g = skeleton->color.g * slot->color.g * g;
//color.b = skeleton->color.b * slot->color.b * b;
//if (is_fx)
//fx_batcher.add(texture, world_verts.ptr(), uvs, verties_count, triangles, triangles_count, &color, flip_x, flip_y);
// else
// batcher.add(texture, world_verts.ptr(), uvs, verties_count, triangles, triangles_count, &color, flip_x, flip_y);
// batcher.flush(spine_slot->get_canvas_item());
fx_node->update();
}
void Spine::_animation_draw() {
if (skeleton == NULL)
return;
spColor_setFromFloats(&skeleton->color, modulate.r, modulate.g, modulate.b, modulate.a);
// Slot drawing has been moved to draw_slot which is called by SpineSlot
int verties_count = 0;
unsigned short *triangles = NULL;
int triangles_count = 0;
// Slots.
if (debug_attachment_region || debug_attachment_mesh || debug_attachment_skinned_mesh || debug_attachment_bounding_box) {
Color color(0, 0, 1, 1);
for (int i = 0, n = skeleton->slotsCount; i < n; i++) {
spSlot *slot = skeleton->drawOrder[i];
if (!slot->attachment)
continue;
switch (slot->attachment->type) {
case SP_ATTACHMENT_REGION: {
if (!debug_attachment_region)
continue;
spRegionAttachment *attachment = (spRegionAttachment *)slot->attachment;
verties_count = 8;
spRegionAttachment_computeWorldVertices(attachment, slot->bone, world_verts.ptrw(), 0, 2);
color = Color(0, 0, 1, 1);
triangles = NULL;
triangles_count = 0;
break;
}
case SP_ATTACHMENT_MESH: {
if (!debug_attachment_mesh)
continue;
spMeshAttachment *attachment = (spMeshAttachment *)slot->attachment;
spVertexAttachment_computeWorldVertices(SUPER(attachment), slot, 0, attachment->super.worldVerticesLength, world_verts.ptrw(), 0, 2);
verties_count = ((spVertexAttachment *)attachment)->verticesCount;
color = Color(0, 1, 1, 1);
triangles = attachment->triangles;
triangles_count = attachment->trianglesCount;
break;
}
case SP_ATTACHMENT_BOUNDING_BOX: {
if (!debug_attachment_bounding_box)
continue;
spBoundingBoxAttachment *attachment = (spBoundingBoxAttachment *)slot->attachment;
spVertexAttachment_computeWorldVertices(SUPER(attachment), slot, 0, ((spVertexAttachment *)attachment)->verticesCount, world_verts.ptrw(), 0, 2);
verties_count = ((spVertexAttachment *)attachment)->verticesCount;
color = Color(0, 1, 0, 1);
triangles = NULL;
triangles_count = 0;
break;
}
}
Point2 *points = (Point2 *)world_verts.ptr();
int points_size = verties_count / 2;
for (int idx = 0; idx < points_size; idx++) {
Point2 &pt = points[idx];
if (flip_x)
pt.x = -pt.x;
if (!flip_y)
pt.y = -pt.y;
}
if (triangles == NULL || triangles_count == 0) {
for (int idx = 0; idx < points_size; idx++) {
if (idx == points_size - 1)
draw_line(points[idx], points[0], color);
else
draw_line(points[idx], points[idx + 1], color);
}
} else {
for (int idx = 0; idx < triangles_count - 2; idx += 3) {
int a = triangles[idx];
int b = triangles[idx + 1];
int c = triangles[idx + 2];
draw_line(points[a], points[b], color);
draw_line(points[b], points[c], color);
draw_line(points[c], points[a], color);
}
}
}
}
if (debug_bones) {
// Bone lengths.
for (int i = 0; i < skeleton->bonesCount; i++) {
spBone *bone = skeleton->bones[i];
float x = bone->data->length * bone->a + bone->worldX;
float y = bone->data->length * bone->c + bone->worldY;
draw_line(Point2(flip_x ? -bone->worldX : bone->worldX,
flip_y ? bone->worldY : -bone->worldY),
Point2(flip_x ? -x : x, flip_y ? y : -y),
Color(1, 0, 0, 1),
2);
}
// Bone origins.
for (int i = 0, n = skeleton->bonesCount; i < n; i++) {
spBone *bone = skeleton->bones[i];
Rect2 rt = Rect2(flip_x ? -bone->worldX - 1 : bone->worldX - 1,
flip_y ? bone->worldY - 1 : -bone->worldY - 1,
3,
3);
draw_rect(rt, (i == 0) ? Color(0, 1, 0, 1) : Color(0, 0, 1, 1));
}
}
}
void Spine::_animation_process(float p_delta) {
if (speed_scale == 0)
return;
p_delta *= speed_scale;
process_delta += p_delta;
if (skip_frames) {
frames_to_skip--;
if (frames_to_skip >= 0) {
return;
} else {
frames_to_skip = skip_frames;
}
}
spAnimationState_update(state, forward ? process_delta : -process_delta);
spAnimationState_apply(state, skeleton);
spSkeleton_updateWorldTransform(skeleton);
_update_attachment_nodes();
process_delta = 0;
}
void Spine::_update_attachment_nodes() {
for (AttachmentNodes::Element *E = attachment_nodes.front(); E; E = E->next()) {
AttachmentNode &info = E->get();
WeakRef *ref = info.ref;
Object *obj = ref->get_ref();
Node2D *node = (obj != NULL) ? Object::cast_to<Node2D>(obj) : NULL;
if (obj == NULL || node == NULL) {
AttachmentNodes::Element *NEXT = E->next();
attachment_nodes.erase(E);
E = NEXT;
if (E == NULL)
break;
continue;
}
spBone *bone = info.bone;
node->set_position(Vector2(bone->worldX + bone->skeleton->x, -bone->worldY + bone->skeleton->y) + info.ofs);
node->set_scale(Vector2(spBone_getWorldScaleX(bone), spBone_getWorldScaleY(bone)) * info.scale);
node->set_rotation_degrees(-spBone_getWorldRotationY(bone));
//node->call("set_rotation", Math::atan2(bone->c, bone->d) + Math::deg2rad(info.rot));
}
update();
}
void Spine::_set_process(bool p_process, bool p_force) {
if (processing == p_process && !p_force)
return;
switch (animation_process_mode) {
case ANIMATION_PROCESS_FIXED: set_physics_process(p_process && active); break;
case ANIMATION_PROCESS_IDLE: set_process(p_process && active); break;
}
processing = p_process;
}
bool Spine::_set(const StringName &p_name, const Variant &p_value) {
String name = p_name;
if (name == "playback/play") {
String which = p_value;
if (skeleton != NULL) {
if (which == "[stop]")
stop();
else if (has_animation(which)) {
reset();
play(which, 1, loop);
}
} else
current_animation = which;
if (current_animation == "[stop]")
actual_duration = 0.0;
else
actual_duration = get_animation_length(current_animation);
// Call this immediately to make the duration visible
set_duration(actual_duration);
} else if (name == "playback/loop") {
loop = p_value;
if (skeleton != NULL && has_animation(current_animation))
play(current_animation, 1, loop);
} else if (name == "playback/forward") {
forward = p_value;
} else if (name == "playback/skin") {
skin = p_value;
if (skeleton != NULL)
set_skin(skin);
} else if (name == "debug/region")
set_debug_attachment(DEBUG_ATTACHMENT_REGION, p_value);
else if (name == "debug/mesh")
set_debug_attachment(DEBUG_ATTACHMENT_MESH, p_value);
else if (name == "debug/skinned_mesh")
set_debug_attachment(DEBUG_ATTACHMENT_SKINNED_MESH, p_value);
else if (name == "debug/bounding_box")
set_debug_attachment(DEBUG_ATTACHMENT_BOUNDING_BOX, p_value);
return true;
}
bool Spine::_get(const StringName &p_name, Variant &r_ret) const {
String name = p_name;
if (name == "playback/play") {
r_ret = current_animation;
} else if (name == "playback/loop")
r_ret = loop;
else if (name == "playback/forward")
r_ret = forward;
else if (name == "playback/skin")
r_ret = skin;
else if (name == "debug/region")
r_ret = is_debug_attachment(DEBUG_ATTACHMENT_REGION);
else if (name == "debug/mesh")
r_ret = is_debug_attachment(DEBUG_ATTACHMENT_MESH);
else if (name == "debug/skinned_mesh")
r_ret = is_debug_attachment(DEBUG_ATTACHMENT_SKINNED_MESH);
else if (name == "debug/bounding_box")
r_ret = is_debug_attachment(DEBUG_ATTACHMENT_BOUNDING_BOX);
return true;
}
float Spine::get_animation_length(String p_animation) const {
if (state == NULL) return 0;
for (int i = 0; i < state->data->skeletonData->animationsCount; i++) {
spAnimation *anim = state->data->skeletonData->animations[i];
if (anim->name == p_animation) {
return anim->duration;
}
}
return 0;
}
void Spine::_get_property_list(List<PropertyInfo> *p_list) const {
List<String> names;
if (state != NULL) {
for (int i = 0; i < state->data->skeletonData->animationsCount; i++) {
names.push_back(state->data->skeletonData->animations[i]->name);
}
}
{
names.sort();
names.push_front("[stop]");
String hint;
for (List<String>::Element *E = names.front(); E; E = E->next()) {
if (E != names.front())
hint += ",";
hint += E->get();
}
p_list->push_back(PropertyInfo(Variant::STRING, "playback/play", PROPERTY_HINT_ENUM, hint));
p_list->push_back(PropertyInfo(Variant::BOOL, "playback/loop", PROPERTY_HINT_NONE));
p_list->push_back(PropertyInfo(Variant::BOOL, "playback/forward", PROPERTY_HINT_NONE));
}
names.clear();
{
if (state != NULL) {
for (int i = 0; i < state->data->skeletonData->skinsCount; i++) {
names.push_back(state->data->skeletonData->skins[i]->name);
}
}
String hint;
for (List<String>::Element *E = names.front(); E; E = E->next()) {
if (E != names.front())
hint += ",";
hint += E->get();
}
p_list->push_back(PropertyInfo(Variant::STRING, "playback/skin", PROPERTY_HINT_ENUM, hint));
}
p_list->push_back(PropertyInfo(Variant::BOOL, "debug/region", PROPERTY_HINT_NONE));
p_list->push_back(PropertyInfo(Variant::BOOL, "debug/mesh", PROPERTY_HINT_NONE));
p_list->push_back(PropertyInfo(Variant::BOOL, "debug/skinned_mesh", PROPERTY_HINT_NONE));
p_list->push_back(PropertyInfo(Variant::BOOL, "debug/bounding_box", PROPERTY_HINT_NONE));
}
void Spine::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (!processing) {
//make sure that a previous process state was not saved
//only process if "processing" is set
set_physics_process(false);
set_process(false);
}
} break;
case NOTIFICATION_READY: {
// add fx node as child
fx_node->connect("draw", this, "_on_fx_draw");
fx_node->set_z_index(1);
fx_node->set_z_as_relative(false);
add_child(fx_node);
if (!Engine::get_singleton()->is_editor_hint() && has_animation(autoplay)) {
play(autoplay);
}
} break;
case NOTIFICATION_PROCESS: {
if (animation_process_mode == ANIMATION_PROCESS_FIXED)
break;
if (processing) {
_animation_process(get_process_delta_time());
_update_children();
}
} break;
case NOTIFICATION_PHYSICS_PROCESS: {
if (animation_process_mode == ANIMATION_PROCESS_IDLE)
break;
if (processing) {
_animation_process(get_physics_process_delta_time());
_update_children();
}
} break;
case NOTIFICATION_DRAW: {
_animation_draw();
} break;
case NOTIFICATION_EXIT_TREE: {
stop_all();
} break;
}
}
void Spine::_update_children() {
for (int i = 0; i < get_child_count(); i++) {
auto child = Object::cast_to<Node2D>(get_child(i));
if (child != NULL) {
child->update();
}
}
}
void Spine::set_resource(Ref<Spine::SpineResource> p_data) {
if (res == p_data)
return;
_spine_dispose(); // cleanup
res = p_data;
if (res.is_null())
return;
ERR_FAIL_COND(!res->data);
skeleton = spSkeleton_create(res->data);
root_bone = skeleton->bones[0];
state = spAnimationState_create(spAnimationStateData_create(skeleton->data));
state->rendererObject = this;
state->listener = spine_animation_callback;
_update_verties_count();
// update children slots
// remove old children
while (get_child_count() > 0) {
auto child = get_child(0);
remove_child(child);
child->queue_delete();
}
// add new slots children
for (int i = 0, n = skeleton->slotsCount; i < n; i++) {
spSlot *slot = skeleton->drawOrder[i];
auto slot_node = memnew(SpineSlot);
slot_node->init(this, slot);
slot_node->set_name(slot->data->name);
slot_node->set_z_index(i);
add_child(slot_node);
}
if (skin != "")
set_skin(skin);
if (current_animation != "[stop]")
play(current_animation, 1, loop);
else
reset();
_change_notify();
}
Ref<Spine::SpineResource> Spine::get_resource() {
return res;
}
void Spine::add_node_to_slot(const String &p_slot_name, const Variant &p_node) {
// first we add the node as a child to the slot
for (int i = 0; i < get_child_count(); i++) {
auto child = get_child(i);
if (child->get_name() == p_slot_name) {
Node* slot_root;
if (child->has_node( NodePath("slot_root") )) {
slot_root = child->get_node(NodePath("slot_root"));
}
else {
// if the slot doesn't have a slot_root yet, create one
slot_root = memnew(Node2D);
slot_root->set_name("slot_root");
child->add_child(slot_root);
// add the slot_root as an attachment to the correct bone
spSlot *slot = spSkeleton_findSlot(skeleton, p_slot_name.utf8().get_data());
spBone *bone = slot->bone;
this->add_attachment_node(bone->data->name, slot_root);
}
// add the node to the requested slot's slot_root
slot_root->add_child(p_node);
break;
}
}
_update_attachment_nodes();
}
Array Spine::get_animation_names() const {
Array names;
if (state != NULL) {
for (int i = 0; i < state->data->skeletonData->animationsCount; i++) {
spAnimation *anim = state->data->skeletonData->animations[i];
names.push_back(anim->name);
}
}
return names;
}
bool Spine::has_animation(const String &p_name) {
if (skeleton == NULL) return false;
spAnimation *animation = spSkeletonData_findAnimation(skeleton->data, p_name.utf8().get_data());
return animation != NULL;
}
void Spine::set_default_mix(real_t p_duration) {
ERR_FAIL_COND(state == NULL);
ERR_FAIL_COND(p_duration <= 0.0f);
state->data->defaultMix = p_duration;
}
void Spine::mix(const String &p_from, const String &p_to, real_t p_duration) {
ERR_FAIL_COND(state == NULL);
spAnimationStateData_setMixByName(state->data, p_from.utf8().get_data(), p_to.utf8().get_data(), p_duration);
}
bool Spine::play(const String &p_name, bool p_loop, int p_track, int p_delay) {
ERR_FAIL_COND_V(skeleton == NULL, false);
spAnimation *animation = spSkeletonData_findAnimation(skeleton->data, p_name.utf8().get_data());
ERR_FAIL_COND_V(animation == NULL, false);
spTrackEntry *entry = spAnimationState_setAnimation(state, p_track, animation, p_loop);
entry->delay = p_delay;
current_animation = p_name;
if (skip_frames) {
frames_to_skip = 0;
}
_set_process(true);
playing = true;
// update frame
if (!is_active())
_animation_process(0);
return true;
}
bool Spine::add(const String &p_name, bool p_loop, int p_track, int p_delay) {
ERR_FAIL_COND_V(skeleton == NULL, false);
spAnimation *animation = spSkeletonData_findAnimation(skeleton->data, p_name.utf8().get_data());
ERR_FAIL_COND_V(animation == NULL, false);
spTrackEntry *entry = spAnimationState_addAnimation(state, p_track, animation, p_loop, p_delay);
_set_process(true);
playing = true;
return true;
}
void Spine::clear(int p_track) {
ERR_FAIL_COND(state == NULL);
if (p_track == -1)
spAnimationState_clearTracks(state);
else
spAnimationState_clearTrack(state, p_track);
}
void Spine::stop() {
_set_process(false);
playing = false;
current_animation = "[stop]";
reset();
}
bool Spine::is_playing(int p_track) const {
return playing && spAnimationState_getCurrent(state, p_track) != NULL;
}
void Spine::set_forward(bool p_forward) {
forward = p_forward;
}
bool Spine::is_forward() const {
return forward;
}
void Spine::set_skip_frames(int p_skip_frames) {
skip_frames = p_skip_frames;
frames_to_skip = 0;
}
int Spine::get_skip_frames() const {
return skip_frames;
}
String Spine::get_current_animation(int p_track = 0) {
ERR_FAIL_COND_V(state == NULL, "");
spTrackEntry *entry = spAnimationState_getCurrent(state, p_track);
if (entry == NULL || entry->animation == NULL)
return "";
return entry->animation->name;
}
void Spine::stop_all() {
stop();
_set_process(false); // always process when starting an animation
}
void Spine::reset() {
if (skeleton == NULL) {
return;
}
spSkeleton_setToSetupPose(skeleton);
spAnimationState_update(state, 0);
spAnimationState_apply(state, skeleton);
spSkeleton_updateWorldTransform(skeleton);
}
void Spine::seek(float p_pos) {
_animation_process(p_pos - current_pos);
}
float Spine::tell() const {
return current_pos;
}
void Spine::set_active(bool p_active) {
if (active == p_active)
return;
active = p_active;
_set_process(processing, true);
}
bool Spine::is_active() const {
return active;
}
void Spine::set_speed(float p_speed) {
speed_scale = p_speed;
}
float Spine::get_speed() const {
return speed_scale;
}
void Spine::set_autoplay(const String &p_name) {
autoplay = p_name;
}
String Spine::get_autoplay() const {
return autoplay;
}
void Spine::set_modulate(const Color &p_color) {
modulate = p_color;
update();
}
Color Spine::get_modulate() const {
return modulate;
}
void Spine::set_flip_x(bool p_flip) {
flip_x = p_flip;
update();
}
void Spine::set_flip_y(bool p_flip) {
flip_y = p_flip;
update();
}
bool Spine::is_flip_x() const {
return flip_x;
}
bool Spine::is_flip_y() const {