463 lines
12 KiB
Objective-C
463 lines
12 KiB
Objective-C
/*
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Copyright (c) 2016, OpenEmu Team
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the OpenEmu Team nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY OpenEmu Team ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL OpenEmu Team BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "ViceGameCore.h"
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#import "OEC64SystemResponderClient.h"
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#import <OpenGL/gl.h>
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#import <Carbon/Carbon.h>
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#import "api.h"
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#import "C64.h"
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#import "C64_archdep.h"
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#import "C128.h"
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#import "C128_archdep.h"
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#import "Vic20.h"
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#import "Vic20_archdep.h"
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const NSEventModifierFlags OENSEventModifierFlagFunctionKey = 1 << 24;
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@interface ViceGameCore() <OEC64SystemResponderClient, C64Delegate>
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{
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NSArray *_availableDisplayModes;
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BOOL _isJoystickPortSwapped;
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BOOL _runstopLock;
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C64 *_c64;
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NSArray<NSString *> *_sysfilePathList;
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uint32_t *_buffer;
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OEIntSize _bufferSize;
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OEIntRect _screenRect;
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NSTimeInterval _frameInterval;
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}
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- (void)initializeEmulator;
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@end
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@implementation ViceGameCore
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- (id)init
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{
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if((self = [super init])) {
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_c64 = C64.shared;
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_c64.delegate = self;
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_bufferSize = OEIntSizeMake(384, 272);
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NSRect f = _c64.videoFrame;
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_screenRect = OEIntRectMake(f.origin.x, f.origin.y, f.size.width, f.size.height);
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_frameInterval = _c64.videoFrequency;
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}
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return self;
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}
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#pragma mark - C64Delegate
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- (void)updateAudioBuffer:(const int16_t *)buffer samples:(NSInteger)samples {
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[[self audioBufferAtIndex:0] write:buffer maxLength:samples * 2];
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}
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- (void)canvasWillResizeWidth:(NSUInteger)width height:(NSUInteger)height {
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NSRect f = _c64.videoFrame;
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_screenRect = OEIntRectMake(f.origin.x, f.origin.y, f.size.width, f.size.height);
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_frameInterval = _c64.videoFrequency;
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}
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#pragma mark - emulation
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- (void)setupEmulation {
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_c64.delegate = self;
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[super setupEmulation];
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}
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- (void)stopEmulation {
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[_c64 resetMachineHard];
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_c64.delegate = nil;
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[super stopEmulation];
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}
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- (BOOL)loadFileAtPath:(NSString *)path error:(NSError **)error
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{
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[self initializeEmulator];
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return [_c64 autostartImageAtURL:[NSURL fileURLWithPath:path] error:error];
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}
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- (void)insertFileAtURL:(NSURL *)url completionHandler:(void(^)(BOOL success, NSError *error))block
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{
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C64ImageType type = [_c64 imageTypeAtURL:url];
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block(YES, nil);
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}
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- (void)resetEmulation
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{
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[_c64 resetMachineHard];
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}
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- (void)executeFrame
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{
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[_c64 execute];
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}
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- (void)saveStateToFileAtPath:(NSString *)fileName completionHandler:(void(^)(BOOL success, NSError *error))block
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{
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NSError *err = nil;
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BOOL res = [_c64 saveStateFromFileAtPath:fileName error:&err];
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block(res, err);
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}
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- (void)loadStateFromFileAtPath:(NSString *)fileName completionHandler:(void(^)(BOOL success, NSError *error))block
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{
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NSError *err = nil;
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BOOL res = [_c64 loadStateFromFileAtPath:fileName error:&err];
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block(res, err);
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}
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- (NSTimeInterval)frameInterval {
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return _frameInterval;
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}
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- (const void*)getVideoBufferWithHint:(void *)hint {
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_buffer = hint;
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[_c64 setBuffer:hint size:NSSizeFromOEIntSize(_bufferSize)];
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return hint;
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}
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- (OEIntSize)bufferSize
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{
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return _bufferSize;
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}
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- (OEIntSize)aspectSize
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{
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// TODO
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return OEIntSizeMake(4, 3);
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}
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- (OEIntRect)screenRect
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{
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return _screenRect;
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}
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- (GLenum)pixelFormat
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{
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return GL_BGRA;
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}
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- (GLenum)pixelType
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{
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return GL_UNSIGNED_INT_8_8_8_8_REV;
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}
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- (GLenum)internalPixelFormat
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{
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return GL_RGB8;
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}
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- (double)audioSampleRate
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{
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return _c64.audioFrequency;
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}
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- (NSUInteger)channelCount
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{
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return _c64.audioChannels;
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}
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- (NSUInteger)audioBitDepth
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{
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return 16;
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}
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#pragma responder
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- (oneway void)mouseMovedAtPoint:(OEIntPoint)point
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{
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}
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- (oneway void)leftMouseDownAtPoint:(OEIntPoint)point
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{
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}
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- (oneway void)leftMouseUp
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{
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}
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- (oneway void)rightMouseDownAtPoint:(OEIntPoint)point
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{
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}
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- (oneway void)rightMouseUp
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{
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}
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KeyboardMod keyCodeToMod( unsigned short keyCode) {
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switch (keyCode) {
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case kVK_Shift:
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return KeyboardModLShift;
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case kVK_RightShift:
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return KeyboardModRShift;
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case kVK_Control:
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return KeyboardModLCTRL;
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case kVK_RightControl:
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return KeyboardModRCTRL;
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case kVK_Option:
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return KeyboardModLALT;
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case kVK_RightOption:
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return KeyboardModRALT;
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default:
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return KeyboardModNone;
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}
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}
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KeyboardMod flagsToMod(NSEventModifierFlags flags) {
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KeyboardMod res = KeyboardModNone;
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if (flags & NX_DEVICELSHIFTKEYMASK) {
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res |= KeyboardModLShift;
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}
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if (flags & NX_DEVICERSHIFTKEYMASK) {
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res |= KeyboardModRShift;
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}
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if (flags & NX_DEVICELCTLKEYMASK) {
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res |= KeyboardModLCTRL;
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}
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if (flags & NX_DEVICERCTLKEYMASK) {
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res |= KeyboardModRCTRL;
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}
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if (flags & NX_DEVICELALTKEYMASK) {
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res |= KeyboardModLALT;
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}
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if (flags & NX_DEVICERALTKEYMASK) {
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res |= KeyboardModRALT;
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}
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return res;
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}
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- (oneway void)keyDown:(NSUInteger)keyCode
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{
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if(keyCode == kVK_Function)
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return;
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switch (keyCode)
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{
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case kVK_F1:
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case kVK_F2:
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case kVK_F3:
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case kVK_F4:
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case kVK_F5:
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case kVK_F6:
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case kVK_F7:
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case kVK_F8:
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case kVK_F9:
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case kVK_F10:
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case kVK_F11:
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case kVK_F12:
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if (!(flags & OENSEventModifierFlagFunctionKey))
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return;
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}
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// TODO: Fix flags, which will be sent as virtual key codes
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KeyboardMod mod = flagsToMod(0);
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NSLog(@"keyDown: code=%03d, flags=%08x, mod=%08lx", keyCode, (uint32_t)flags, mod);
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// Set the RunStopLock flag if Arrow up is pressed
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// if (keyCode == kVK_UpArrow) RunStopLock = true;
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[_c64 keyboardKeyDown:keyCode mod:mod];
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}
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- (oneway void)keyUp:(NSUInteger)keyCode
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{
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if(keyCode == kVK_Function)
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return;
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switch (keyCode)
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{
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case kVK_F1:
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case kVK_F2:
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case kVK_F3:
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case kVK_F4:
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case kVK_F5:
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case kVK_F6:
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case kVK_F7:
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case kVK_F8:
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case kVK_F9:
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case kVK_F10:
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case kVK_F11:
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case kVK_F12:
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if (!(flags & OENSEventModifierFlagFunctionKey))
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return;
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}
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// TODO: Fix flags, which will be sent as virtual key codes
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KeyboardMod mod = flagsToMod(0);
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NSLog(@"keyUp: code=%03d, flags=%08x, mod=%08lx", keyCode, (uint32_t)flags, mod);
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// UnSet RunStopLock flag if Arrow up is released
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// if (keyCode == 126) RunStopLock = false;
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[_c64 keyboardKeyUp:keyCode mod:mod];
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}
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static uint8_t joystick_bits[] = {
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[OEC64JoystickUp] = 0x01,
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[OEC64JoystickDown] = 0x02,
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[OEC64JoystickLeft] = 0x04,
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[OEC64JoystickRight] = 0x08,
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[OEC64ButtonFire] = 0x10
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};
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- (oneway void)swapJoysticks
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{
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// do port swap
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_isJoystickPortSwapped = !_isJoystickPortSwapped;
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}
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- (oneway void)didPushC64Button:(OEC64Button)button forPlayer:(NSUInteger)player
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{
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// // Avoid a RunStop Lock if the Arrow key is pressed, and up is pushed on a Joystick
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// if (RunStopLock && button == OEC64JoystickUp) keyboard_key_released(kVK_UpArrow);
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//
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if (button == OEC64ButtonJump) button = OEC64JoystickUp;
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//
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// Default to Port 2 for Player 1, since most C64 games use this
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int port;
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if (player == 1)
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port = _isJoystickPortSwapped ? 1 : 2;
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else
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port = _isJoystickPortSwapped ? 2 : 1;
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[_c64 joystickOrValue:joystick_bits[button] forPort:port];
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}
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- (oneway void)didReleaseC64Button:(OEC64Button)button forPlayer:(NSUInteger)player
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{
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if (button == OEC64ButtonJump) button = OEC64JoystickUp;
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//
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// Default to Port 2 for Player 1, since most C64 games use this
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int port;
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if (player == 1)
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port = _isJoystickPortSwapped ? 1 : 2;
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else
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port = _isJoystickPortSwapped ? 2 : 1;
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uint8_t val = 0xff & ~joystick_bits[button];
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[_c64 joystickAndValue:val forPort:port];
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}
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- (NSArray <NSDictionary <NSString *, id> *> *)displayModes
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{
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if (_availableDisplayModes.count == 0)
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{
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_availableDisplayModes = [NSArray array];
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NSArray <NSDictionary <NSString *, id> *> *availableModesWithDefault =
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@[
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@{ OEGameCoreDisplayModeNameKey : @"NTSC",
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OEGameCoreDisplayModePrefKeyNameKey : @"format",
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OEGameCoreDisplayModeStateKey : @NO
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},
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@{ OEGameCoreDisplayModeNameKey : @"PAL",
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OEGameCoreDisplayModePrefKeyNameKey : @"format",
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OEGameCoreDisplayModeStateKey : @NO
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},
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];
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_availableDisplayModes = availableModesWithDefault;
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}
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return _availableDisplayModes;
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}
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- (void)changeDisplayWithMode:(NSString *)displayMode
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{
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if (_availableDisplayModes.count == 0)
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[self displayModes];
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NSMutableArray *tempModesArray = [NSMutableArray array];
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for(NSDictionary *modeDict in _availableDisplayModes)
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{
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NSString *mode = modeDict[OEGameCoreDisplayModeNameKey];
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NSString *pref = modeDict[OEGameCoreDisplayModePrefKeyNameKey];
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BOOL state = NO;
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if ([mode isEqualToString:displayMode])
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state = YES;
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[tempModesArray addObject:@{OEGameCoreDisplayModeNameKey : mode, OEGameCoreDisplayModeStateKey : @(state), OEGameCoreDisplayModePrefKeyNameKey : pref}];
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}
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if ([displayMode isEqualToString:@"NTSC"]) {
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_c64.model = C64ModelNTSC;
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} else {
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_c64.model = C64ModelPAL;
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}
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_availableDisplayModes = tempModesArray;
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}
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#pragma mark private
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- (void)initializeEmulator
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{
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static bool initialized = false;
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if (!initialized) {
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NSString *bootPath = self.owner.bundle.resourcePath;
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#define MACOSX_ROMDIR @"ROM"
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NSArray<NSString *> *pathList = @[
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[NSString pathWithComponents:@[bootPath, MACOSX_ROMDIR, @"C64"]],
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[NSString pathWithComponents:@[bootPath, MACOSX_ROMDIR, @"DRIVES"]],
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];
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[_c64 initializeWithBootPath:bootPath systemPathList:pathList];
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_c64.model = C64ModelPAL;
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_frameInterval = _c64.videoFrequency;
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// Use the last selected display mode or default to the appropriate for the user system locale
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if (self.displayModeInfo == nil)
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{
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if ([self.systemRegion isEqualToString: @"North America"] || [self.systemRegion isEqualToString: @"Japan"])
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[self changeDisplayWithMode:@"NTSC"];
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else
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[self changeDisplayWithMode:@"PAL"];
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}
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else
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{
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NSString *lastSelectedModeToSet = self.displayModeInfo[@"format"];
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[self changeDisplayWithMode:lastSelectedModeToSet];
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}
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initialized = true;
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}
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}
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@end
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