REminiscence/systemstub.h

100 lines
2.3 KiB
C

/*
* REminiscence - Flashback interpreter
* Copyright (C) 2005-2018 Gregory Montoir (cyx@users.sourceforge.net)
*/
#ifndef SYSTEMSTUB_H__
#define SYSTEMSTUB_H__
#include "intern.h"
#include "scaler.h"
struct PlayerInput {
enum {
DIR_UP = 1 << 0,
DIR_DOWN = 1 << 1,
DIR_LEFT = 1 << 2,
DIR_RIGHT = 1 << 3
};
enum {
DF_FASTMODE = 1 << 0,
DF_DBLOCKS = 1 << 1,
DF_SETLIFE = 1 << 2
};
uint8_t dirMask;
bool enter;
bool space;
bool shift;
bool backspace;
bool escape;
char lastChar;
bool save;
bool load;
int stateSlot;
uint8_t dbgMask;
bool quit;
};
struct ScalerParameters {
ScalerType type;
const Scaler *scaler;
int factor;
static ScalerParameters defaults();
};
struct SystemStub {
typedef void (*AudioCallback)(void *param, int16_t *stream, int len);
PlayerInput _pi;
virtual ~SystemStub() {}
virtual void init(const char *title, int w, int h, bool fullscreen, bool widescreen, ScalerParameters *scalerParameters) = 0;
virtual void destroy() = 0;
virtual bool hasWidescreen() const = 0;
virtual void setScreenSize(int w, int h) = 0;
virtual void setPalette(const uint8_t *pal, int n) = 0;
virtual void setPaletteEntry(int i, const Color *c) = 0;
virtual void getPaletteEntry(int i, Color *c) = 0;
virtual void setOverscanColor(int i) = 0;
virtual void copyRect(int x, int y, int w, int h, const uint8_t *buf, int pitch) = 0;
virtual void copyRectRgb24(int x, int y, int w, int h, const uint8_t *rgb) = 0;
virtual void copyRectLeftBorder(int w, int h, const uint8_t *buf) = 0;
virtual void copyRectRightBorder(int w, int h, const uint8_t *buf) = 0;
virtual void copyRectMirrorBorders(int w, int h, const uint8_t *buf) = 0;
virtual void fadeScreen() = 0;
virtual void updateScreen(int shakeOffset) = 0;
virtual void processEvents() = 0;
virtual void sleep(int duration) = 0;
virtual uint32_t getTimeStamp() = 0;
virtual void startAudio(AudioCallback callback, void *param) = 0;
virtual void stopAudio() = 0;
virtual uint32_t getOutputSampleRate() = 0;
virtual void lockAudio() = 0;
virtual void unlockAudio() = 0;
};
struct LockAudioStack {
LockAudioStack(SystemStub *stub)
: _stub(stub) {
_stub->lockAudio();
}
~LockAudioStack() {
_stub->unlockAudio();
}
SystemStub *_stub;
};
extern SystemStub *SystemStub_SDL_create();
#endif // SYSTEMSTUB_H__