132 lines
4.9 KiB
Plaintext
132 lines
4.9 KiB
Plaintext
#import "FilamentMethodCallHandler.h"
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#import "FilamentViewController.h"
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#import "FilamentNativeViewFactory.h"
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static const FilamentMethodCallHandler* _handler;
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static mimetic::ResourceBuffer loadResourceGlobal(const char* name) {
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return [_handler loadResource:name];
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}
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static void* freeResourceGlobal(void* mem, size_t size, void* misc) {
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[_handler freeResource:mem size:size misc:misc ];
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return nullptr;
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}
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@implementation FilamentMethodCallHandler {
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FilamentViewController *_controller;
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FlutterMethodChannel* _channel;
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mimetic::FilamentViewer* _viewer;
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void* _layer;
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NSObject<FlutterPluginRegistrar>* _registrar;
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}
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- (instancetype)initWithController:(FilamentViewController*)controller
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registrar:(NSObject<FlutterPluginRegistrar>*)registrar
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viewId:(int64_t)viewId
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layer:(void*)layer
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{
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_layer = layer;
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_registrar = registrar;
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_controller = controller;
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NSString* channelName = [NSString stringWithFormat:@"%@_%d",VIEW_TYPE,viewId];
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_channel = [FlutterMethodChannel
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methodChannelWithName:channelName
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binaryMessenger:[registrar messenger]];
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[_channel setMethodCallHandler:^(FlutterMethodCall * _Nonnull call, FlutterResult _Nonnull result) {
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[self handleMethodCall:call result:result];
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}];
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_handler = self;
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return self;
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}
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- (void)handleMethodCall:(FlutterMethodCall* _Nonnull)call result:(FlutterResult _Nonnull )result {
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if([@"initialize" isEqualToString:call.method]) {
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if(!call.arguments)
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_viewer = new mimetic::FilamentViewer(_layer, nullptr, loadResourceGlobal, freeResourceGlobal);
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else
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_viewer = new mimetic::FilamentViewer(_layer, [call.arguments UTF8String], loadResourceGlobal, freeResourceGlobal);
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[_controller setViewer:_viewer];
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[_controller startDisplayLink];
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result(@"OK");
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} else if([@"loadSkybox" isEqualToString:call.method]) {
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if(!_viewer)
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return;
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_viewer->loadSkybox([call.arguments[0] UTF8String], [call.arguments[1] UTF8String]);
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result(@"OK");
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} else if([@"loadGltf" isEqualToString:call.method]) {
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if(!_viewer)
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return;
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_viewer->loadGltf([call.arguments[0] UTF8String], [call.arguments[1] UTF8String], [call.arguments[2] UTF8String]);
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result(@"OK");
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} else if([@"panStart" isEqualToString:call.method]) {
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if(!_viewer)
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return;
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_viewer->manipulator->grabBegin([call.arguments[0] intValue], [call.arguments[1] intValue], true);
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} else if([@"panUpdate" isEqualToString:call.method]) {
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if(!_viewer)
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return;
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_viewer->manipulator->grabUpdate([call.arguments[0] intValue], [call.arguments[1] intValue]);
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} else if([@"panEnd" isEqualToString:call.method]) {
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if(!_viewer)
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return;
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_viewer->manipulator->grabEnd();
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} else if([@"rotateStart" isEqualToString:call.method]) {
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if(!_viewer)
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return;
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_viewer->manipulator->grabBegin([call.arguments[0] intValue], [call.arguments[1] intValue], false);
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} else if([@"rotateUpdate" isEqualToString:call.method]) {
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if(!_viewer)
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return;
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_viewer->manipulator->grabUpdate([call.arguments[0] intValue], [call.arguments[1] intValue]);
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} else if([@"rotate End" isEqualToString:call.method]) {
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if(!_viewer)
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return;
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_viewer->manipulator->grabEnd();
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} else if([@"createMorpher" isEqualToString:call.method]) {
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_viewer->createMorpher([call.arguments[0] UTF8String], [call.arguments[1] UTF8String],[call.arguments[2] UTF8String]);
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} else if([@"applyWeights" isEqualToString:call.method]) {
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if(!_viewer)
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return;
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NSArray* nWeights = call.arguments[0];
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NSNumber* nPrimitiveIndex = call.arguments[1];
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int primitiveIndex = [nPrimitiveIndex intValue];
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int count = [nWeights count];
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float weights[count];
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for(int i=0; i < count; i++) {
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weights[i] = [nWeights[i] floatValue];
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}
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_viewer->morphHelper->applyWeights(weights, count, primitiveIndex);
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} else if([@"zoom" isEqualToString:call.method]) {
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if(!_viewer)
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return;
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_viewer->manipulator->scroll(0.0f, 0.0f, [call.arguments floatValue]);
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} else {
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result(FlutterMethodNotImplemented);
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}
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}
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- (mimetic::ResourceBuffer)loadResource:(const char* const)path {
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NSString* p = [NSString stringWithFormat:@"%s", path];
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NSString* key = [_registrar lookupKeyForAsset:p];
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NSString* nsPath = [[NSBundle mainBundle] pathForResource:key
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ofType:nil];
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if (![[NSFileManager defaultManager] fileExistsAtPath:nsPath]) {
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NSLog(@"Error: no file exists at %@", nsPath);
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exit(-1);
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}
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NSData* buffer = [NSData dataWithContentsOfFile:nsPath];
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void* cpy = malloc([buffer length]);
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memcpy(cpy, [buffer bytes], [buffer length]); // can we avoid this copy somehow?
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mimetic::ResourceBuffer rbuf(cpy, [buffer length]);
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return rbuf;
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}
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- (void)freeResource:(void*)mem size:(size_t)s misc:(void *)m {
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free(mem);
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}
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@end
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