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+/*************************************************************************/
+/* sample_editor_plugin.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* http://www.godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+#include "sample_editor_plugin.h"
+
+#include "io/resource_loader.h"
+#include "globals.h"
+#include "tools/editor/editor_settings.h"
+
+
+
+
+void SampleEditor::_input_event(InputEvent p_event) {
+
+
+}
+
+void SampleEditor::_notification(int p_what) {
+
+ if (p_what==NOTIFICATION_FIXED_PROCESS) {
+
+ }
+
+ if (p_what==NOTIFICATION_ENTER_SCENE) {
+ play->set_icon( get_icon("Play","EditorIcons") );
+ stop->set_icon( get_icon("Stop","EditorIcons") );
+ }
+
+ if (p_what==NOTIFICATION_READY) {
+
+ //get_scene()->connect("node_removed",this,"_node_removed");
+
+ }
+
+ if (p_what==NOTIFICATION_DRAW) {
+
+ }
+}
+
+void SampleEditor::_play_pressed() {
+
+ player->play("default",true);
+ stop->set_pressed(false);
+ play->set_pressed(true);
+}
+void SampleEditor::_stop_pressed() {
+
+ player->stop_all();
+ play->set_pressed(false);
+}
+
+void SampleEditor::generate_preview_texture(const Ref<Sample>& p_sample,Ref<ImageTexture> &p_texture) {
+
+
+ DVector<uint8_t> data = p_sample->get_data();
+
+ DVector<uint8_t> img;
+ int w = p_texture->get_width();
+ int h = p_texture->get_height();
+ img.resize(w*h*3);
+ DVector<uint8_t>::Write imgdata = img.write();
+ uint8_t * imgw = imgdata.ptr();
+ DVector<uint8_t>::Read sampledata = data.read();
+ const uint8_t *sdata=sampledata.ptr();
+
+ bool stereo = p_sample->is_stereo();
+ bool _16=p_sample->get_format()==Sample::FORMAT_PCM16;
+ int len = p_sample->get_length();
+
+ if (len<1)
+ return;
+
+ for(int i=0;i<w;i++) {
+ // i trust gcc will optimize this loop
+ float max[2]={-1e10,-1e10};
+ float min[2]={1e10,1e10};
+ int c=stereo?2:1;
+ int from = i*len/w;
+ int to = (i+1)*len/w;
+ if (to>=len)
+ to=len-1;
+
+ if (_16) {
+ const int16_t*src =(const int16_t*)sdata;
+
+ for(int j=0;j<c;j++) {
+
+ for(int k=from;k<=to;k++) {
+
+ float v = src[k*c+j]/32768.0;
+ if (v>max[j])
+ max[j]=v;
+ if (v<min[j])
+ min[j]=v;
+ }
+
+ }
+ } else {
+
+ const int8_t*src =(const int8_t*)sdata;
+
+ for(int j=0;j<c;j++) {
+
+ for(int k=from;k<=to;k++) {
+
+ float v = src[k*c+j]/128.0;
+ if (v>max[j])
+ max[j]=v;
+ if (v<min[j])
+ min[j]=v;
+ }
+
+ }
+ }
+
+ if (!stereo) {
+ for(int j=0;j<h;j++) {
+ float v = (j/(float)h) * 2.0 - 1.0;
+ uint8_t* imgofs = &imgw[(j*w+i)*3];
+ if (v>min[0] && v<max[0]) {
+ imgofs[0]=255;
+ imgofs[1]=150;
+ imgofs[2]=80;
+ } else {
+ imgofs[0]=0;
+ imgofs[1]=0;
+ imgofs[2]=0;
+ }
+ }
+ } else {
+
+ for(int j=0;j<h;j++) {
+
+ int half,ofs;
+ float v;
+ if (j<(h/2)) {
+ half=0;
+ ofs=0;
+ v = (j/(float)(h/2)) * 2.0 - 1.0;
+ } else {
+ half=1;
+ ofs=h/2;
+ v = ((j-(h/2))/(float)(h/2)) * 2.0 - 1.0;
+ }
+
+ uint8_t* imgofs = &imgw[(j*w+i)*3];
+ if (v>min[half] && v<max[half]) {
+ imgofs[0]=255;
+ imgofs[1]=150;
+ imgofs[2]=80;
+ } else {
+ imgofs[0]=0;
+ imgofs[1]=0;
+ imgofs[2]=0;
+ }
+ }
+
+ }
+
+ }
+
+ imgdata = DVector<uint8_t>::Write();
+
+
+ p_texture->set_data(Image(w,h,0,Image::FORMAT_RGB,img));
+
+}
+
+void SampleEditor::_update_sample() {
+
+ player->stop_all();
+ if (sample->get_format()==Sample::FORMAT_IMA_ADPCM)
+ return; //bye or unsupported
+
+ generate_preview_texture(sample,peakdisplay);
+ info_label->set_text("Length: "+itos(sample->get_length())+" frames ("+String::num(sample->get_length()/(float)sample->get_mix_rate(),2)+" s), "+(sample->get_format()==Sample::FORMAT_PCM16?"16 Bits, ":"8 bits, ")+(sample->is_stereo()?"Stereo.":"Mono."));
+
+ library->add_sample("default",sample);
+}
+
+
+
+void SampleEditor::edit(Ref<Sample> p_sample) {
+
+ sample=p_sample;
+
+ if (!sample.is_null())
+ _update_sample();
+ else {
+
+ hide();
+ set_fixed_process(false);
+ }
+
+}
+
+
+
+void SampleEditor::_bind_methods() {
+
+ ObjectTypeDB::bind_method(_MD("_input_event"),&SampleEditor::_input_event);
+ ObjectTypeDB::bind_method(_MD("_play_pressed"),&SampleEditor::_play_pressed);
+ ObjectTypeDB::bind_method(_MD("_stop_pressed"),&SampleEditor::_stop_pressed);
+
+}
+
+SampleEditor::SampleEditor() {
+
+ player = memnew(SamplePlayer);
+ add_child(player);
+ add_style_override("panel", get_stylebox("panel","Panel"));
+ library = Ref<SampleLibrary>(memnew(SampleLibrary));
+ player->set_sample_library(library);
+ sample_texframe = memnew( TextureFrame );
+ add_child(sample_texframe);
+ sample_texframe->set_anchor_and_margin(MARGIN_LEFT,ANCHOR_BEGIN,5);
+ sample_texframe->set_anchor_and_margin(MARGIN_RIGHT,ANCHOR_END,5);
+ sample_texframe->set_anchor_and_margin(MARGIN_TOP,ANCHOR_BEGIN,30);
+ sample_texframe->set_anchor_and_margin(MARGIN_BOTTOM,ANCHOR_END,5);
+
+ info_label = memnew( Label );
+ sample_texframe->add_child(info_label);
+ info_label->set_area_as_parent_rect();
+ info_label->set_anchor_and_margin(MARGIN_TOP,ANCHOR_END,15);
+ info_label->set_margin(MARGIN_BOTTOM,4);
+ info_label->set_margin(MARGIN_RIGHT,4);
+ info_label->set_align(Label::ALIGN_RIGHT);
+
+
+ play = memnew( Button );
+
+ play->set_pos(Point2( 5, 5 ));
+ play->set_size( Size2(1,1 ) );
+ play->set_toggle_mode(true);
+ add_child(play);
+
+ stop = memnew( Button );
+
+ stop->set_pos(Point2( 35, 5 ));
+ stop->set_size( Size2(1,1 ) );
+ stop->set_toggle_mode(true);
+ add_child(stop);
+
+ peakdisplay=Ref<ImageTexture>( memnew( ImageTexture) );
+ peakdisplay->create( EDITOR_DEF("audio/sample_editor_preview_width",512),EDITOR_DEF("audio/sample_editor_preview_height",128),Image::FORMAT_RGB);
+ sample_texframe->set_expand(true);
+ sample_texframe->set_texture(peakdisplay);
+
+ play->connect("pressed", this,"_play_pressed");
+ stop->connect("pressed", this,"_stop_pressed");
+
+}
+
+
+void SampleEditorPlugin::edit(Object *p_object) {
+
+ Sample * s = p_object->cast_to<Sample>();
+ if (!s)
+ return;
+
+ sample_editor->edit(Ref<Sample>(s));
+}
+
+bool SampleEditorPlugin::handles(Object *p_object) const {
+
+ return p_object->is_type("Sample");
+}
+
+void SampleEditorPlugin::make_visible(bool p_visible) {
+
+ if (p_visible) {
+ sample_editor->show();
+// sample_editor->set_process(true);
+ } else {
+
+ sample_editor->hide();
+// sample_editor->set_process(false);
+ }
+
+}
+
+SampleEditorPlugin::SampleEditorPlugin(EditorNode *p_node) {
+
+ editor=p_node;
+ sample_editor = memnew( SampleEditor );
+ editor->get_viewport()->add_child(sample_editor);
+ sample_editor->set_area_as_parent_rect();
+ sample_editor->set_anchor( MARGIN_TOP, Control::ANCHOR_END);
+ sample_editor->set_margin( MARGIN_TOP, 120 );
+ sample_editor->hide();
+
+
+
+}
+
+
+SampleEditorPlugin::~SampleEditorPlugin()
+{
+}
+
+
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