#ifndef ENGINE_H

#define ENGINE_H

#include <stddef.h>

#include <stdint.h>

#ifdef __cplusplus

namespace Engine {

extern "C" {

#endif

typedef struct _EngineInstance EngineInstance;

typedef struct {

  uint32_t width;

  uint32_t height;

  uint8_t hedgehogs_number;

  unsigned char* land;

} PreviewInfo;

typedef uint32_t protocol_version_t();

typedef EngineInstance* start_engine_t();

typedef void generate_preview_t(EngineInstance* engine_state,

                                PreviewInfo* preview);

typedef void cleanup_t(EngineInstance* engine_state);

typedef void send_ipc_t(EngineInstance* engine_state, uint8_t* buf,

                        size_t size);

typedef size_t read_ipc_t(EngineInstance* engine_state, uint8_t* buf,

                          size_t size);

typedef void setup_current_gl_context_t(EngineInstance* engine_state,

                                        uint16_t width, uint16_t height,

                                        void (*(const char*))());

typedef void render_frame_t(EngineInstance* engine_state);

typedef bool advance_simulation_t(EngineInstance* engine_state, uint32_t ticks);

extern protocol_version_t* protocol_version;

extern start_engine_t* start_engine;

extern generate_preview_t* generate_preview;

extern cleanup_t* cleanup;

extern send_ipc_t* send_ipc;

extern read_ipc_t* read_ipc;

extern setup_current_gl_context_t* setup_current_gl_context;

extern render_frame_t* render_frame;

extern advance_simulation_t* advance_simulation;

#ifdef __cplusplus

}

};

#endif

#endif  // ENGINE_H