Program Listing for File HostAPI_macros.h

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#ifndef INCLUDE_FLAMEGPU_RUNTIME_HOSTAPI_MACROS_H_
#define INCLUDE_FLAMEGPU_RUNTIME_HOSTAPI_MACROS_H_

namespace flamegpu {

class HostAPI;

typedef void (*FLAMEGPU_HOST_FUNCTION_POINTER)(HostAPI *api);

typedef FLAMEGPU_HOST_FUNCTION_POINTER FLAMEGPU_INIT_FUNCTION_POINTER;
typedef FLAMEGPU_HOST_FUNCTION_POINTER FLAMEGPU_STEP_FUNCTION_POINTER;
typedef FLAMEGPU_HOST_FUNCTION_POINTER FLAMEGPU_EXIT_FUNCTION_POINTER;
#define FLAMEGPU_INIT_FUNCTION(funcName) FLAMEGPU_HOST_FUNCTION(funcName)
#define FLAMEGPU_STEP_FUNCTION(funcName) FLAMEGPU_HOST_FUNCTION(funcName)
#define FLAMEGPU_EXIT_FUNCTION(funcName) FLAMEGPU_HOST_FUNCTION(funcName)
#define FLAMEGPU_HOST_FUNCTION_DECL(funcName) \
extern flamegpu::FLAMEGPU_HOST_FUNCTION_POINTER funcName;

#define FLAMEGPU_HOST_FUNCTION_DEF(funcName) \
void funcName ## _impl(flamegpu::HostAPI* FLAMEGPU); \
flamegpu::FLAMEGPU_HOST_FUNCTION_POINTER funcName = funcName ## _impl; \
void funcName ## _impl(flamegpu::HostAPI* FLAMEGPU)

#define FLAMEGPU_HOST_FUNCTION(funcName) FLAMEGPU_HOST_FUNCTION_DEF(funcName)

enum CONDITION_RESULT { CONTINUE, EXIT };
typedef CONDITION_RESULT (*FLAMEGPU_HOST_CONDITION_POINTER)(HostAPI *api);

typedef FLAMEGPU_HOST_CONDITION_POINTER FLAMEGPU_EXIT_CONDITION_POINTER;
#define FLAMEGPU_EXIT_CONDITION(funcName) FLAMEGPU_HOST_CONDITION(funcName)

#define FLAMEGPU_HOST_CONDITION(funcName) \
flamegpu::CONDITION_RESULT funcName ## _impl(flamegpu::HostAPI* FLAMEGPU); \
flamegpu::FLAMEGPU_HOST_CONDITION_POINTER funcName = funcName ## _impl;\
flamegpu::CONDITION_RESULT funcName ## _impl(flamegpu::HostAPI* FLAMEGPU)

}  // namespace flamegpu

#endif  // INCLUDE_FLAMEGPU_RUNTIME_HOSTAPI_MACROS_H_