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129 lines
3.5 KiB
JavaScript
129 lines
3.5 KiB
JavaScript
function PlayControl(data) {
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this.data = data;
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this.stop_play_flag = true;
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this.pause_play_flag = false;
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this.pause_resume_play = function () {
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this.pause_play_flag = !this.pause_play_flag;
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if (!this.pause_play_flag && !this.stop_play_flag) {
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this.play(this.on_load_world_finished);
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}
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};
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this.stop_play = function () {
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this.stop_play_flag = true;
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this.pause_play_flag = false;
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};
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this.on_load_world_finished = null;
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this.play = function (on_load_world_finished, fps = 2) {
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this.on_load_world_finished = on_load_world_finished;
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if (!this.data.meta) {
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console.log("no meta data! cannot play");
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return;
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}
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// if (this.stop_play_flag == false && !resume){
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// return;
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// }
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this.stop_play_flag = false;
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this.pause_play_flag = false;
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var scene_meta = data.world.sceneMeta;
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var scope = this;
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let start_frame = data.world.frameInfo.frame;
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let current_frame_index = scene_meta.frames.findIndex(function (x) {
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return x == data.world.frameInfo.frame;
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});
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if (current_frame_index == scene_meta.frames.length - 1) {
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//this is the last frmae
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// we go to first frame.
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start_frame = scene_meta.frames[0];
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}
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play_frame(scene_meta, start_frame, on_load_world_finished);
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async function play_frame(scene_meta, frame, on_load_world_finished) {
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if (!scope.stop_play_flag && !scope.pause_play_flag) {
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var world = await scope.data.getWorld(scene_meta.scene, frame);
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if (world.preloaded()) {
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//found, data ready
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scope.data.activate_world(world, function () {
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//on load finished
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//views[0].detach_control();
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on_load_world_finished(world);
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// play next frame
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let frame_index = world.frameInfo.frame_index;
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if (frame_index + 1 < scene_meta.frames.length) {
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var next_frame = scene_meta.frames[frame_index + 1];
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setTimeout(function () {
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play_frame(scene_meta, next_frame, on_load_world_finished);
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}, 1000 / fps);
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} else {
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scope.stop_play();
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}
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});
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} else {
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//not ready.
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console.log("wait buffer!", frame);
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setTimeout(function () {
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play_frame(scene_meta, frame, on_load_world_finished);
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}, 10);
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}
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}
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}
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};
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// function play_current_scene_without_buffer(){
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// if (!data.meta){
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// console.log("no meta data! cannot play");
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// return;
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// }
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// if (stop_play_flag== false){
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// return;
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// }
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// stop_play_flag = false;
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// var scene_meta = data.get_current_world_scene_meta();
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// var sceneName= scene_meta.scene;
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// play_frame(scene_meta, data.world.frameInfo.frame);
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// function play_frame(scene_meta, frame){
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// load_world(sceneName, frame);
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// if (!stop_play_flag)
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// {
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// var frame_index = scene_meta.frames.findIndex(function(x){return x == frame;});
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// if (frame_index+1 < scene_meta.frames.length)
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// {
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// next_frame = scene_meta.frames[frame_index+1];
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// setTimeout(
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// function(){
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// play_frame(scene_meta, next_frame);
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// },
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// 100);
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// }
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// else{
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// stop_play_flag = true;
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// }
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// }
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// };
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// }
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}
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export { PlayControl };
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