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CLK/OSBindings/Mac/Clock Signal/Machine/CSMachine.mm

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//
// CSMachine.m
// Clock Signal
//
// Created by Thomas Harte on 04/01/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#import "CSMachine.h"
#import "CSMachine+Subclassing.h"
#import "CSMachine+Target.h"
#include "CSROMFetcher.hpp"
#include "ConfigurationTarget.hpp"
#include "JoystickMachine.hpp"
#include "KeyboardMachine.hpp"
#include "KeyCodes.h"
#include "MachineForTarget.hpp"
#include "StandardOptions.hpp"
#include "Typer.hpp"
#import "CSStaticAnalyser+TargetVector.h"
#import "NSBundle+DataResource.h"
#import "NSData+StdVector.h"
@interface CSMachine()
- (void)speaker:(Outputs::Speaker::Speaker *)speaker didCompleteSamples:(const int16_t *)samples length:(int)length;
- (void)machineDidChangeClockRate;
- (void)machineDidChangeClockIsUnlimited;
@end
struct LockProtectedDelegate {
// Contractual promise is: machine — the pointer **and** the object ** — may be accessed only
// in sections protected by the machineAccessLock;
NSLock *machineAccessLock;
__unsafe_unretained CSMachine *machine;
};
struct SpeakerDelegate: public Outputs::Speaker::Speaker::Delegate, public LockProtectedDelegate {
void speaker_did_complete_samples(Outputs::Speaker::Speaker *speaker, const std::vector<int16_t> &buffer) {
[machineAccessLock lock];
[machine speaker:speaker didCompleteSamples:buffer.data() length:(int)buffer.size()];
[machineAccessLock unlock];
}
};
struct MachineDelegate: CRTMachine::Machine::Delegate, public LockProtectedDelegate {
void machine_did_change_clock_rate(CRTMachine::Machine *sender) {
[machineAccessLock lock];
[machine machineDidChangeClockRate];
[machineAccessLock unlock];
}
void machine_did_change_clock_is_unlimited(CRTMachine::Machine *sender) {
[machineAccessLock lock];
[machine machineDidChangeClockIsUnlimited];
[machineAccessLock unlock];
}
};
@implementation CSMachine {
SpeakerDelegate _speakerDelegate;
MachineDelegate _machineDelegate;
NSLock *_delegateMachineAccessLock;
CSStaticAnalyser *_analyser;
std::unique_ptr<Machine::DynamicMachine> _machine;
}
- (instancetype)initWithAnalyser:(CSStaticAnalyser *)result {
self = [super init];
if(self) {
_analyser = result;
Machine::Error error;
_machine.reset(Machine::MachineForTargets(_analyser.targets, CSROMFetcher(), error));
if(!_machine) return nil;
_delegateMachineAccessLock = [[NSLock alloc] init];
_machineDelegate.machine = self;
_speakerDelegate.machine = self;
_machineDelegate.machineAccessLock = _delegateMachineAccessLock;
_speakerDelegate.machineAccessLock = _delegateMachineAccessLock;
_machine->crt_machine()->set_delegate(&_machineDelegate);
}
return self;
}
- (void)speaker:(Outputs::Speaker::Speaker *)speaker didCompleteSamples:(const int16_t *)samples length:(int)length {
[self.audioQueue enqueueAudioBuffer:samples numberOfSamples:(unsigned int)length];
}
- (void)machineDidChangeClockRate {
[self.delegate machineDidChangeClockRate:self];
}
- (void)machineDidChangeClockIsUnlimited {
[self.delegate machineDidChangeClockIsUnlimited:self];
}
- (void)dealloc {
// The two delegate's references to this machine are nilled out here because close_output may result
// in a data flush, which might cause an audio callback, which could cause the audio queue to decide
// that it's out of data, resulting in an attempt further to run the machine while it is dealloc'ing.
//
// They are nilled inside an explicit lock because that allows the delegates to protect their entire
// call into the machine, not just the pointer access.
[_delegateMachineAccessLock lock];
_machineDelegate.machine = nil;
_speakerDelegate.machine = nil;
[_delegateMachineAccessLock unlock];
[_view performWithGLContext:^{
@synchronized(self) {
_machine->crt_machine()->close_output();
}
}];
}
- (float)idealSamplingRateFromRange:(NSRange)range {
@synchronized(self) {
Outputs::Speaker::Speaker *speaker = _machine->crt_machine()->get_speaker();
if(speaker) {
return speaker->get_ideal_clock_rate_in_range((float)range.location, (float)(range.location + range.length));
}
return 0;
}
}
- (void)setAudioSamplingRate:(float)samplingRate bufferSize:(NSUInteger)bufferSize {
@synchronized(self) {
[self setSpeakerDelegate:&_speakerDelegate sampleRate:samplingRate bufferSize:bufferSize];
}
}
- (BOOL)setSpeakerDelegate:(Outputs::Speaker::Speaker::Delegate *)delegate sampleRate:(float)sampleRate bufferSize:(NSUInteger)bufferSize {
@synchronized(self) {
Outputs::Speaker::Speaker *speaker = _machine->crt_machine()->get_speaker();
if(speaker) {
speaker->set_output_rate(sampleRate, (int)bufferSize);
speaker->set_delegate(delegate);
return YES;
}
return NO;
}
}
- (void)runForNumberOfCycles:(int)numberOfCycles {
@synchronized(self) {
_machine->crt_machine()->run_for(Cycles(numberOfCycles));
}
}
- (void)setView:(CSOpenGLView *)view aspectRatio:(float)aspectRatio {
_view = view;
[view performWithGLContext:^{
[self setupOutputWithAspectRatio:aspectRatio];
}];
}
- (void)setupOutputWithAspectRatio:(float)aspectRatio {
_machine->crt_machine()->setup_output(aspectRatio);
// Since OS X v10.6, Macs have had a gamma of 2.2.
_machine->crt_machine()->get_crt()->set_output_gamma(2.2f);
_machine->crt_machine()->get_crt()->set_target_framebuffer(0);
}
- (void)drawViewForPixelSize:(CGSize)pixelSize onlyIfDirty:(BOOL)onlyIfDirty {
_machine->crt_machine()->get_crt()->draw_frame((unsigned int)pixelSize.width, (unsigned int)pixelSize.height, onlyIfDirty ? true : false);
}
- (double)clockRate {
return _machine->crt_machine()->get_clock_rate();
}
- (BOOL)clockIsUnlimited {
return _machine->crt_machine()->get_clock_is_unlimited() ? YES : NO;
}
- (void)paste:(NSString *)paste {
KeyboardMachine::Machine *keyboardMachine = _machine->keyboard_machine();
if(keyboardMachine)
keyboardMachine->type_string([paste UTF8String]);
}
- (void)applyMedia:(const Analyser::Static::Media &)media {
@synchronized(self) {
ConfigurationTarget::Machine *const configurationTarget = _machine->configuration_target();
if(configurationTarget) configurationTarget->insert_media(media);
}
}
- (void)setKey:(uint16_t)key isPressed:(BOOL)isPressed {
auto keyboard_machine = _machine->keyboard_machine();
if(keyboard_machine) {
@synchronized(self) {
Inputs::Keyboard &keyboard = keyboard_machine->get_keyboard();
// Connect the Carbon-era Mac keyboard scancodes to Clock Signal's 'universal' enumeration in order
// to pass into the platform-neutral realm.
#define BIND(source, dest) case source: keyboard.set_key_pressed(Inputs::Keyboard::Key::dest, isPressed); break
switch(key) {
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);
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);
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);
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);
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);
BIND(VK_ANSI_H, H); BIND(VK_ANSI_J, J); BIND(VK_ANSI_K, K); BIND(VK_ANSI_L, L);
BIND(VK_ANSI_Z, Z); BIND(VK_ANSI_X, X); BIND(VK_ANSI_C, C); BIND(VK_ANSI_V, V);
BIND(VK_ANSI_B, B); BIND(VK_ANSI_N, N); BIND(VK_ANSI_M, M);
BIND(VK_F1, F1); BIND(VK_F2, F2); BIND(VK_F3, F3); BIND(VK_F4, F4);
BIND(VK_F5, F5); BIND(VK_F6, F6); BIND(VK_F7, F7); BIND(VK_F8, F8);
BIND(VK_F9, F9); BIND(VK_F10, F10); BIND(VK_F11, F11); BIND(VK_F12, F12);
BIND(VK_ANSI_Keypad0, KeyPad0); BIND(VK_ANSI_Keypad1, KeyPad1); BIND(VK_ANSI_Keypad2, KeyPad2);
BIND(VK_ANSI_Keypad3, KeyPad3); BIND(VK_ANSI_Keypad4, KeyPad4); BIND(VK_ANSI_Keypad5, KeyPad5);
BIND(VK_ANSI_Keypad6, KeyPad6); BIND(VK_ANSI_Keypad7, KeyPad7); BIND(VK_ANSI_Keypad8, KeyPad8);
BIND(VK_ANSI_Keypad9, KeyPad9);
BIND(VK_ANSI_Equal, Equals); BIND(VK_ANSI_Minus, Hyphen);
BIND(VK_ANSI_RightBracket, CloseSquareBracket); BIND(VK_ANSI_LeftBracket, OpenSquareBracket);
BIND(VK_ANSI_Quote, Quote); BIND(VK_ANSI_Grave, BackTick);
BIND(VK_ANSI_Semicolon, Semicolon);
BIND(VK_ANSI_Backslash, BackSlash); BIND(VK_ANSI_Slash, ForwardSlash);
BIND(VK_ANSI_Comma, Comma); BIND(VK_ANSI_Period, FullStop);
BIND(VK_ANSI_KeypadDecimal, KeyPadDecimalPoint); BIND(VK_ANSI_KeypadEquals, KeyPadEquals);
BIND(VK_ANSI_KeypadMultiply, KeyPadAsterisk); BIND(VK_ANSI_KeypadDivide, KeyPadSlash);
BIND(VK_ANSI_KeypadPlus, KeyPadPlus); BIND(VK_ANSI_KeypadMinus, KeyPadMinus);
BIND(VK_ANSI_KeypadClear, KeyPadDelete); BIND(VK_ANSI_KeypadEnter, KeyPadEnter);
BIND(VK_Return, Enter); BIND(VK_Tab, Tab);
BIND(VK_Space, Space); BIND(VK_Delete, BackSpace);
BIND(VK_Control, LeftControl); BIND(VK_Option, LeftOption);
BIND(VK_Command, LeftMeta); BIND(VK_Shift, LeftShift);
BIND(VK_RightControl, RightControl); BIND(VK_RightOption, RightOption);
BIND(VK_Escape, Escape); BIND(VK_CapsLock, CapsLock);
BIND(VK_Home, Home); BIND(VK_End, End);
BIND(VK_PageUp, PageUp); BIND(VK_PageDown, PageDown);
BIND(VK_RightShift, RightShift);
BIND(VK_Help, Help);
BIND(VK_ForwardDelete, Delete);
BIND(VK_LeftArrow, Left); BIND(VK_RightArrow, Right);
BIND(VK_DownArrow, Down); BIND(VK_UpArrow, Up);
}
#undef BIND
}
return;
}
auto joystick_machine = _machine->joystick_machine();
if(joystick_machine) {
@synchronized(self) {
std::vector<std::unique_ptr<Inputs::Joystick>> &joysticks = joystick_machine->get_joysticks();
if(!joysticks.empty()) {
switch(key) {
case VK_LeftArrow: joysticks[0]->set_digital_input(Inputs::Joystick::DigitalInput::Left, isPressed); break;
case VK_RightArrow: joysticks[0]->set_digital_input(Inputs::Joystick::DigitalInput::Right, isPressed); break;
case VK_UpArrow: joysticks[0]->set_digital_input(Inputs::Joystick::DigitalInput::Up, isPressed); break;
case VK_DownArrow: joysticks[0]->set_digital_input(Inputs::Joystick::DigitalInput::Down, isPressed); break;
default:
joysticks[0]->set_digital_input(Inputs::Joystick::DigitalInput::Fire, isPressed); break;
break;
}
}
}
}
}
- (void)clearAllKeys {
auto keyboard_machine = _machine->keyboard_machine();
if(keyboard_machine) {
@synchronized(self) {
keyboard_machine->get_keyboard().reset_all_keys();
}
}
auto joystick_machine = _machine->joystick_machine();
if(joystick_machine) {
@synchronized(self) {
for(auto &joystick : joystick_machine->get_joysticks()) {
joystick->reset_all_inputs();
}
}
}
}
#pragma mark - Options
- (void)setUseFastLoadingHack:(BOOL)useFastLoadingHack {
Configurable::Device *configurable_device = _machine->configurable_device();
if(!configurable_device) return;
@synchronized(self) {
_useFastLoadingHack = useFastLoadingHack;
Configurable::SelectionSet selection_set;
append_quick_load_tape_selection(selection_set, useFastLoadingHack ? true : false);
configurable_device->set_selections(selection_set);
}
}
- (void)setUseCompositeOutput:(BOOL)useCompositeOutput {
Configurable::Device *configurable_device = _machine->configurable_device();
if(!configurable_device) return;
@synchronized(self) {
_useCompositeOutput = useCompositeOutput;
Configurable::SelectionSet selection_set;
append_display_selection(selection_set, useCompositeOutput ? Configurable::Display::Composite : Configurable::Display::RGB);
configurable_device->set_selections(selection_set);
}
}
- (void)setUseAutomaticTapeMotorControl:(BOOL)useAutomaticTapeMotorControl {
Configurable::Device *configurable_device = _machine->configurable_device();
if(!configurable_device) return;
@synchronized(self) {
_useAutomaticTapeMotorControl = useAutomaticTapeMotorControl;
Configurable::SelectionSet selection_set;
append_automatic_tape_motor_control_selection(selection_set, useAutomaticTapeMotorControl ? true : false);
configurable_device->set_selections(selection_set);
}
}
- (NSString *)userDefaultsPrefix {
// Assumes that the first machine in the targets list is the source of user defaults.
std::string name = Machine::ShortNameForTargetMachine(_analyser.targets.front()->machine);
return [[NSString stringWithUTF8String:name.c_str()] lowercaseString];
}
@end
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