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292 lines
10 KiB
Plaintext
292 lines
10 KiB
Plaintext
//
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// CSMachine.m
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// Clock Signal
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//
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// Created by Thomas Harte on 04/01/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#import "CSMachine.h"
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#import "CSMachine+Subclassing.h"
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#import "CSMachine+Target.h"
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#include "KeyCodes.h"
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#include "Typer.hpp"
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#include "ConfigurationTarget.hpp"
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#include "JoystickMachine.hpp"
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#include "KeyboardMachine.hpp"
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@interface CSMachine()
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- (void)speaker:(Outputs::Speaker *)speaker didCompleteSamples:(const int16_t *)samples length:(int)length;
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- (void)machineDidChangeClockRate;
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- (void)machineDidChangeClockIsUnlimited;
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@end
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struct LockProtectedDelegate {
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// Contractual promise is: machine — the pointer **and** the object ** — may be accessed only
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// in sections protected by the machineAccessLock;
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NSLock *machineAccessLock;
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__unsafe_unretained CSMachine *machine;
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};
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struct SpeakerDelegate: public Outputs::Speaker::Delegate, public LockProtectedDelegate {
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void speaker_did_complete_samples(Outputs::Speaker *speaker, const std::vector<int16_t> &buffer) {
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[machineAccessLock lock];
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[machine speaker:speaker didCompleteSamples:buffer.data() length:(int)buffer.size()];
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[machineAccessLock unlock];
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}
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};
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struct MachineDelegate: CRTMachine::Machine::Delegate, public LockProtectedDelegate {
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void machine_did_change_clock_rate(CRTMachine::Machine *sender) {
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[machineAccessLock lock];
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[machine machineDidChangeClockRate];
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[machineAccessLock unlock];
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}
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void machine_did_change_clock_is_unlimited(CRTMachine::Machine *sender) {
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[machineAccessLock lock];
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[machine machineDidChangeClockIsUnlimited];
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[machineAccessLock unlock];
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}
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};
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@implementation CSMachine {
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SpeakerDelegate _speakerDelegate;
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MachineDelegate _machineDelegate;
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NSLock *_delegateMachineAccessLock;
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CRTMachine::Machine *_machine;
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}
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- (instancetype)initWithMachine:(void *)machine {
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self = [super init];
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if(self) {
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_machine = (CRTMachine::Machine *)machine;
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_delegateMachineAccessLock = [[NSLock alloc] init];
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_machineDelegate.machine = self;
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_speakerDelegate.machine = self;
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_machineDelegate.machineAccessLock = _delegateMachineAccessLock;
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_speakerDelegate.machineAccessLock = _delegateMachineAccessLock;
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_machine->set_delegate(&_machineDelegate);
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}
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return self;
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}
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- (void)speaker:(Outputs::Speaker *)speaker didCompleteSamples:(const int16_t *)samples length:(int)length {
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[self.audioQueue enqueueAudioBuffer:samples numberOfSamples:(unsigned int)length];
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}
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- (void)machineDidChangeClockRate {
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[self.delegate machineDidChangeClockRate:self];
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}
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- (void)machineDidChangeClockIsUnlimited {
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[self.delegate machineDidChangeClockIsUnlimited:self];
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}
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- (void)dealloc {
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// The two delegate's references to this machine are nilled out here because close_output may result
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// in a data flush, which might cause an audio callback, which could cause the audio queue to decide
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// that it's out of data, resulting in an attempt further to run the machine while it is dealloc'ing.
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//
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// They are nilled inside an explicit lock because that allows the delegates to protect their entire
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// call into the machine, not just the pointer access.
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[_delegateMachineAccessLock lock];
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_machineDelegate.machine = nil;
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_speakerDelegate.machine = nil;
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[_delegateMachineAccessLock unlock];
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[_view performWithGLContext:^{
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@synchronized(self) {
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_machine->close_output();
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}
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}];
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}
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- (float)idealSamplingRateFromRange:(NSRange)range {
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@synchronized(self) {
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std::shared_ptr<Outputs::Speaker> speaker = _machine->get_speaker();
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if(speaker) {
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return speaker->get_ideal_clock_rate_in_range((float)range.location, (float)(range.location + range.length));
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}
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return 0;
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}
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}
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- (void)setAudioSamplingRate:(float)samplingRate bufferSize:(NSUInteger)bufferSize {
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@synchronized(self) {
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[self setSpeakerDelegate:&_speakerDelegate sampleRate:samplingRate bufferSize:bufferSize];
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}
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}
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- (BOOL)setSpeakerDelegate:(Outputs::Speaker::Delegate *)delegate sampleRate:(float)sampleRate bufferSize:(NSUInteger)bufferSize {
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@synchronized(self) {
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std::shared_ptr<Outputs::Speaker> speaker = _machine->get_speaker();
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if(speaker) {
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speaker->set_output_rate(sampleRate, (int)bufferSize);
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speaker->set_delegate(delegate);
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return YES;
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}
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return NO;
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}
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}
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- (void)runForNumberOfCycles:(int)numberOfCycles {
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@synchronized(self) {
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_machine->run_for(Cycles(numberOfCycles));
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}
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}
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- (void)setView:(CSOpenGLView *)view aspectRatio:(float)aspectRatio {
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_view = view;
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[view performWithGLContext:^{
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[self setupOutputWithAspectRatio:aspectRatio];
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}];
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}
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- (void)setupOutputWithAspectRatio:(float)aspectRatio {
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_machine->setup_output(aspectRatio);
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// Since OS X v10.6, Macs have had a gamma of 2.2.
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_machine->get_crt()->set_output_gamma(2.2f);
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}
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- (void)drawViewForPixelSize:(CGSize)pixelSize onlyIfDirty:(BOOL)onlyIfDirty {
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_machine->get_crt()->draw_frame((unsigned int)pixelSize.width, (unsigned int)pixelSize.height, onlyIfDirty ? true : false);
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}
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- (double)clockRate {
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return _machine->get_clock_rate();
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}
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- (BOOL)clockIsUnlimited {
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return _machine->get_clock_is_unlimited() ? YES : NO;
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}
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- (void)paste:(NSString *)paste {
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Utility::TypeRecipient *typeRecipient = dynamic_cast<Utility::TypeRecipient *>(_machine);
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if(typeRecipient)
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typeRecipient->set_typer_for_string([paste UTF8String]);
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}
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- (void)applyTarget:(const StaticAnalyser::Target &)target {
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@synchronized(self) {
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ConfigurationTarget::Machine *const configurationTarget =
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dynamic_cast<ConfigurationTarget::Machine *>(_machine);
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if(configurationTarget) configurationTarget->configure_as_target(target);
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}
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}
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- (void)applyMedia:(const StaticAnalyser::Media &)media {
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@synchronized(self) {
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ConfigurationTarget::Machine *const configurationTarget =
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dynamic_cast<ConfigurationTarget::Machine *>(_machine);
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if(configurationTarget) configurationTarget->insert_media(media);
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}
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}
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- (void)setKey:(uint16_t)key isPressed:(BOOL)isPressed {
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auto keyboard_machine = dynamic_cast<KeyboardMachine::Machine *>(_machine);
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if(keyboard_machine) {
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@synchronized(self) {
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Inputs::Keyboard &keyboard = keyboard_machine->get_keyboard();
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// Connect the Carbon-era Mac keyboard scancodes to Clock Signal's 'universal' enumeration in order
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// to pass into the platform-neutral realm.
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#define BIND(source, dest) case source: keyboard.set_key_pressed(Inputs::Keyboard::Key::dest, isPressed); break
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switch(key) {
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BIND(VK_ANSI_0, k0); BIND(VK_ANSI_1, k1); BIND(VK_ANSI_2, k2); BIND(VK_ANSI_3, k3); BIND(VK_ANSI_4, k4);
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BIND(VK_ANSI_5, k5); BIND(VK_ANSI_6, k6); BIND(VK_ANSI_7, k7); BIND(VK_ANSI_8, k8); BIND(VK_ANSI_9, k9);
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BIND(VK_ANSI_Q, Q); BIND(VK_ANSI_W, W); BIND(VK_ANSI_E, E); BIND(VK_ANSI_R, R); BIND(VK_ANSI_T, T);
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BIND(VK_ANSI_Y, Y); BIND(VK_ANSI_U, U); BIND(VK_ANSI_I, I); BIND(VK_ANSI_O, O); BIND(VK_ANSI_P, P);
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BIND(VK_ANSI_A, A); BIND(VK_ANSI_S, S); BIND(VK_ANSI_D, D); BIND(VK_ANSI_F, F); BIND(VK_ANSI_G, G);
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BIND(VK_ANSI_H, H); BIND(VK_ANSI_J, J); BIND(VK_ANSI_K, K); BIND(VK_ANSI_L, L);
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BIND(VK_ANSI_Z, Z); BIND(VK_ANSI_X, X); BIND(VK_ANSI_C, C); BIND(VK_ANSI_V, V);
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BIND(VK_ANSI_B, B); BIND(VK_ANSI_N, N); BIND(VK_ANSI_M, M);
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BIND(VK_F1, F1); BIND(VK_F2, F2); BIND(VK_F3, F3); BIND(VK_F4, F4);
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BIND(VK_F5, F5); BIND(VK_F6, F6); BIND(VK_F7, F7); BIND(VK_F8, F8);
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BIND(VK_F9, F9); BIND(VK_F10, F10); BIND(VK_F11, F11); BIND(VK_F12, F12);
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BIND(VK_ANSI_Keypad0, KeyPad0); BIND(VK_ANSI_Keypad1, KeyPad1); BIND(VK_ANSI_Keypad2, KeyPad2);
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BIND(VK_ANSI_Keypad3, KeyPad3); BIND(VK_ANSI_Keypad4, KeyPad4); BIND(VK_ANSI_Keypad5, KeyPad5);
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BIND(VK_ANSI_Keypad6, KeyPad6); BIND(VK_ANSI_Keypad7, KeyPad7); BIND(VK_ANSI_Keypad8, KeyPad8);
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BIND(VK_ANSI_Keypad9, KeyPad9);
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BIND(VK_ANSI_Equal, Equals); BIND(VK_ANSI_Minus, Hyphen);
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BIND(VK_ANSI_RightBracket, CloseSquareBracket); BIND(VK_ANSI_LeftBracket, OpenSquareBracket);
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BIND(VK_ANSI_Quote, Quote); BIND(VK_ANSI_Grave, BackTick);
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BIND(VK_ANSI_Semicolon, Semicolon);
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BIND(VK_ANSI_Backslash, BackSlash); BIND(VK_ANSI_Slash, ForwardSlash);
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BIND(VK_ANSI_Comma, Comma); BIND(VK_ANSI_Period, FullStop);
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BIND(VK_ANSI_KeypadDecimal, KeyPadDecimalPoint); BIND(VK_ANSI_KeypadEquals, KeyPadEquals);
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BIND(VK_ANSI_KeypadMultiply, KeyPadAsterisk); BIND(VK_ANSI_KeypadDivide, KeyPadSlash);
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BIND(VK_ANSI_KeypadPlus, KeyPadPlus); BIND(VK_ANSI_KeypadMinus, KeyPadMinus);
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BIND(VK_ANSI_KeypadClear, KeyPadDelete); BIND(VK_ANSI_KeypadEnter, KeyPadEnter);
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BIND(VK_Return, Enter); BIND(VK_Tab, Tab);
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BIND(VK_Space, Space); BIND(VK_Delete, BackSpace);
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BIND(VK_Control, LeftControl); BIND(VK_Option, LeftOption);
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BIND(VK_Command, LeftMeta); BIND(VK_Shift, LeftShift);
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BIND(VK_RightControl, RightControl); BIND(VK_RightOption, RightOption);
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BIND(VK_Escape, Escape); BIND(VK_CapsLock, CapsLock);
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BIND(VK_Home, Home); BIND(VK_End, End);
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BIND(VK_PageUp, PageUp); BIND(VK_PageDown, PageDown);
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BIND(VK_RightShift, RightShift);
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BIND(VK_Help, Help);
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BIND(VK_ForwardDelete, Delete);
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BIND(VK_LeftArrow, Left); BIND(VK_RightArrow, Right);
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BIND(VK_DownArrow, Down); BIND(VK_UpArrow, Up);
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}
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#undef BIND
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}
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return;
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}
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auto joystick_machine = dynamic_cast<JoystickMachine::Machine *>(_machine);
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if(joystick_machine) {
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@synchronized(self) {
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std::vector<std::unique_ptr<Inputs::Joystick>> &joysticks = joystick_machine->get_joysticks();
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if(!joysticks.empty()) {
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switch(key) {
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case VK_LeftArrow: joysticks[0]->set_digital_input(Inputs::Joystick::DigitalInput::Left, isPressed); break;
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case VK_RightArrow: joysticks[0]->set_digital_input(Inputs::Joystick::DigitalInput::Right, isPressed); break;
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case VK_UpArrow: joysticks[0]->set_digital_input(Inputs::Joystick::DigitalInput::Up, isPressed); break;
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case VK_DownArrow: joysticks[0]->set_digital_input(Inputs::Joystick::DigitalInput::Down, isPressed); break;
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default:
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joysticks[0]->set_digital_input(Inputs::Joystick::DigitalInput::Fire, isPressed); break;
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break;
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}
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}
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}
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}
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}
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- (void)clearAllKeys {
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auto keyboard_machine = dynamic_cast<KeyboardMachine::Machine *>(_machine);
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if(keyboard_machine) {
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@synchronized(self) {
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keyboard_machine->get_keyboard().reset_all_keys();
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}
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}
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auto joystick_machine = dynamic_cast<JoystickMachine::Machine *>(_machine);
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if(joystick_machine) {
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@synchronized(self) {
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for(auto &joystick : joystick_machine->get_joysticks()) {
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joystick->reset_all_inputs();
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}
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}
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}
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}
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@end
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