124 lines
3.0 KiB
C
124 lines
3.0 KiB
C
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/*
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* REminiscence - Flashback interpreter
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* Copyright (C) 2005-2019 Gregory Montoir (cyx@users.sourceforge.net)
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*/
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#ifndef SYSTEMSTUB_H__
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#define SYSTEMSTUB_H__
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#include "intern.h"
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#include "scaler.h"
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struct PlayerInput {
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enum {
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DIR_UP = 1 << 0,
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DIR_DOWN = 1 << 1,
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DIR_LEFT = 1 << 2,
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DIR_RIGHT = 1 << 3
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};
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enum {
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DF_FASTMODE = 1 << 0,
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DF_DBLOCKS = 1 << 1,
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DF_SETLIFE = 1 << 2,
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DF_AUTOZOOM = 1 << 3
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};
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uint8_t dirMask;
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bool enter;
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bool space;
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bool shift;
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bool backspace;
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bool escape;
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char lastChar;
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bool save;
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bool load;
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int stateSlot;
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bool rewind;
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uint8_t dbgMask;
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bool quit;
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};
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struct ScalerParameters {
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ScalerType type;
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char name[32];
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int factor;
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static ScalerParameters defaults();
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};
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struct SystemStub {
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typedef void (*AudioCallback)(void *param, int16_t *stream, int len);
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PlayerInput _pi;
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virtual ~SystemStub() {}
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virtual void init(const char *title, int w, int h, bool fullscreen, int widescreenMode, const ScalerParameters *scalerParameters) = 0;
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virtual void destroy() = 0;
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virtual bool hasWidescreen() const = 0;
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virtual void setScreenSize(int w, int h) = 0;
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virtual void setPalette(const uint8_t *pal, int n) = 0;
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virtual void getPalette(uint8_t *pal, int n) = 0;
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virtual void setPaletteEntry(int i, const Color *c) = 0;
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virtual void getPaletteEntry(int i, Color *c) = 0;
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virtual void setOverscanColor(int i) = 0;
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virtual void copyRect(int x, int y, int w, int h, const uint8_t *buf, int pitch) = 0;
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virtual void copyRectRgb24(int x, int y, int w, int h, const uint8_t *rgb) = 0;
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virtual void zoomRect(int x, int y, int h, int w) = 0;
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virtual void copyWidescreenLeft(int w, int h, const uint8_t *buf) = 0;
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virtual void copyWidescreenRight(int w, int h, const uint8_t *buf) = 0;
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virtual void copyWidescreenMirror(int w, int h, const uint8_t *buf) = 0;
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virtual void copyWidescreenBlur(int w, int h, const uint8_t *buf) = 0;
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virtual void copyWidescreenCDi(int w, int h, const uint8_t *buf, const uint8_t *pal) = 0;
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virtual void clearWidescreen() = 0;
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virtual void enableWidescreen(bool enable) = 0;
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virtual void fadeScreen() = 0;
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virtual void updateScreen(int shakeOffset) = 0;
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virtual void processEvents() = 0;
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virtual void sleep(int duration) = 0;
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virtual uint32_t getTimeStamp() = 0;
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virtual void startAudio(AudioCallback callback, void *param) = 0;
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virtual void stopAudio() = 0;
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virtual uint32_t getOutputSampleRate() = 0;
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virtual void lockAudio() = 0;
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virtual void unlockAudio() = 0;
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};
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struct LockAudioStack {
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LockAudioStack(SystemStub *stub)
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: _stub(stub) {
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_stub->lockAudio();
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}
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~LockAudioStack() {
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_stub->unlockAudio();
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}
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SystemStub *_stub;
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};
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struct ToggleWidescreenStack {
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ToggleWidescreenStack(SystemStub *stub, bool state)
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: _stub(stub), _state(state) {
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if (_stub->hasWidescreen()) {
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_stub->enableWidescreen(_state);
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}
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}
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~ToggleWidescreenStack() {
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if (_stub->hasWidescreen()) {
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_stub->enableWidescreen(!_state);
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}
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}
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SystemStub *_stub;
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bool _state;
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};
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extern SystemStub *SystemStub_SDL_create();
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#endif // SYSTEMSTUB_H__
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