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fsm.cpp
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fsm.cpp
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// Finite state machines test
#include "common.h"
const int NUM_MACHINES = 10000;
const int FRAMES_PER_SECOND = 15;
const int NUM_UPDATES = FRAMES_PER_SECOND * 1 * 10; // 10 seconds
const float UPDATE_DELTA = 1.0f / FRAMES_PER_SECOND; // delta in seconds
const float VARIANCE = UPDATE_DELTA * 0.1f;
float HUNGER_TRIGGER = 1.0f;
float SLEEP_HUNGER = 0.1f;
float HUNT_HUNGER = 0.3f;
float EAT_HUNGER = -1.0f;
float EXPLORE_HUNGER = 0.2f;
float SLEEP_TRIGGER = 1.0f;
float SLEEP_SLEEP = -1.0f;
float HUNT_SLEEP = 0.1f;
float EAT_SLEEP = 0.2f;
float EXPLORE_SLEEP = 0.1f;
float HUNTING_TIME = 1.0f;
float EATING_TIME = 0.5f;
#define CHECK_FOR_CONSISTENCY 0
#if CHECK_FOR_CONSISTENCY
const char *REPORT_FORMAT_STRING = "%10s SLEEP %4zi HUNT %4zi EAT %4zi EXPLORE %4zi\n";
const char *PRINT_FORMAT_STRING = "%10s %10s S%+.2f H%+.2f H%+.2f E%+.2f\n";
const char *STATENAME[] = {
"sleeping",
"hunting",
"eating",
"exploring",
};
#endif
#include "FSM_Simple.h"
#include "FSM_OOState.h"
#include "FSM_OOImplicitState.h"
#include "FSM_OOFunctional.h"
#include "FSM_TableState.h"
#include "FSM_TableStatePointers.h"
#include "FSM_VaryingTableState.h"
struct Data {
FSMSimple::Data simple;
FSMOOState::Data oostate;
FSMOOImplicitState::Data ooimplicitstate;
FSMOOFunctional::Data oofunctional;
FSMTableState::Data tablestate;
FSMTableStatePointers::Data tablestateptrs;
FSMVaryingTableState::Data varyingtablestate;
};
Data *gData;
void TestFSMSimple() {
pcg32_random_t rng;
pcg32_srandom_r(&rng, 1234, 5678);
for( int update = 0; update < NUM_UPDATES; ++update ) {
float update_time = pcg32_random_r_rangef(&rng, UPDATE_DELTA - VARIANCE, UPDATE_DELTA + VARIANCE);
gData->simple.Update( update_time );
}
};
void TestFSMOOState() {
pcg32_random_t rng;
pcg32_srandom_r(&rng, 1234, 5678);
for( int update = 0; update < NUM_UPDATES; ++update ) {
float update_time = pcg32_random_r_rangef(&rng, UPDATE_DELTA - VARIANCE, UPDATE_DELTA + VARIANCE);
gData->oostate.Update( update_time );
}
};
void TestFSMOOImplicitState() {
pcg32_random_t rng;
pcg32_srandom_r(&rng, 1234, 5678);
for( int update = 0; update < NUM_UPDATES; ++update ) {
float update_time = pcg32_random_r_rangef(&rng, UPDATE_DELTA - VARIANCE, UPDATE_DELTA + VARIANCE);
gData->ooimplicitstate.Update( update_time );
}
};
void TestFSMOOVirtualFunctional() {
pcg32_random_t rng;
pcg32_srandom_r(&rng, 1234, 5678);
for( int update = 0; update < NUM_UPDATES; ++update ) {
float update_time = pcg32_random_r_rangef(&rng, UPDATE_DELTA - VARIANCE, UPDATE_DELTA + VARIANCE);
gData->oofunctional.Update( update_time );
}
};
void TestFSMTableState() {
pcg32_random_t rng;
pcg32_srandom_r(&rng, 1234, 5678);
for( int update = 0; update < NUM_UPDATES; ++update ) {
float update_time = pcg32_random_r_rangef(&rng, UPDATE_DELTA - VARIANCE, UPDATE_DELTA + VARIANCE);
gData->tablestate.Update( update_time );
}
};
void TestFSMTableStatePointers() {
pcg32_random_t rng;
pcg32_srandom_r(&rng, 1234, 5678);
for( int update = 0; update < NUM_UPDATES; ++update ) {
float update_time = pcg32_random_r_rangef(&rng, UPDATE_DELTA - VARIANCE, UPDATE_DELTA + VARIANCE);
gData->tablestateptrs.Update( update_time );
}
};
void TestFSMVaryingTableState() {
pcg32_random_t rng;
pcg32_srandom_r(&rng, 1234, 5678);
for( int update = 0; update < NUM_UPDATES; ++update ) {
float update_time = pcg32_random_r_rangef(&rng, UPDATE_DELTA - VARIANCE, UPDATE_DELTA + VARIANCE);
gData->varyingtablestate.Update( update_time );
}
};
int main() {
Data data;
gData = &data;
#if CHECK_FOR_CONSISTENCY
{
pcg32_random_t rng;
pcg32_srandom_r(&rng, 1234, 5678);
bool inSync = true;
for( int update = 0; update < 1000000 && inSync; ++update ) {
float update_time = pcg32_random_r_rangef(&rng, UPDATE_DELTA - VARIANCE, UPDATE_DELTA + VARIANCE);
gData->simple.Update( update_time );
gData->oostate.Update( update_time );
gData->ooimplicitstate.Update( update_time );
gData->oofunctional.Update( update_time );
gData->tablestate.Update( update_time );
gData->tablestateptrs.Update( update_time );
gData->varyingtablestate.Update( update_time );
size_t a[4], b[4];
gData->simple.Report(a);
gData->oostate.Report(b);
if( memcmp( a, b, sizeof( a ) ) ) {
//printf( REPORT_FORMAT_STRING, "OOSTATE", b[0], b[1], b[2], b[3] );
//gData->oostate.PrintState();
inSync = false;
}
gData->ooimplicitstate.Report(b);
if( memcmp( a, b, sizeof( a ) ) ) {
//printf( REPORT_FORMAT_STRING, "OOIMPLICIT", b[0], b[1], b[2], b[3] );
//gData->ooimplicitstate.PrintState();
inSync = false;
}
gData->oofunctional.Report(b);
if( memcmp( a, b, sizeof( a ) ) ) {
//printf( REPORT_FORMAT_STRING, "OOIMPLICIT", b[0], b[1], b[2], b[3] );
//gData->oofunctional.PrintState();
inSync = false;
}
gData->tablestate.Report(b);
if( memcmp( a, b, sizeof( a ) ) ) {
//printf( REPORT_FORMAT_STRING, "TABLE", b[0], b[1], b[2], b[3] );
//gData->tablestate.PrintState();
inSync = false;
}
gData->tablestateptrs.Report(b);
if( memcmp( a, b, sizeof( a ) ) ) {
//printf( REPORT_FORMAT_STRING, "TABLE", b[0], b[1], b[2], b[3] );
//gData->tablestate.PrintState();
inSync = false;
}
gData->varyingtablestate.Report(b);
if( memcmp( a, b, sizeof( a ) ) ) {
//printf( REPORT_FORMAT_STRING, "VARYING", b[0], b[1], b[2], b[3] );
//gData->varyingtablestate.PrintState();
inSync = false;
}
if( update > 60000040 ) {
printf("Update %i:\n", update );
gData->simple.PrintState();
gData->oostate.PrintState();
gData->ooimplicitstate.PrintState();
gData->oofunctional.PrintState();
gData->tablestate.PrintState();
gData->tablestateptrs.PrintState();
gData->varyingtablestate.PrintState();
}
if( !inSync ) {
printf( REPORT_FORMAT_STRING, "SIMPLE", a[0], a[1], a[2], a[3] );
gData->simple.PrintState();
printf( "update %i went out of sync\n", update );
}
}
}
#else
{
Test tests[] = {
(Test){ TestFSMTableState, "Table FSM" },
(Test){ TestFSMTableStatePointers, "Table FSM (pointers)" },
(Test){ TestFSMVaryingTableState, "Varying Table FSM" },
(Test){ TestFSMOOState, "OO FSM" },
(Test){ TestFSMOOImplicitState, "OO Implicit FSM" },
(Test){ TestFSMOOVirtualFunctional, "OO Functional FSM" },
(Test){ TestFSMSimple, "Simple FSM" },
};
printf("Trialling with %i machines over %i updates\n", NUM_MACHINES, NUM_UPDATES );
RunTests( tests );
}
#endif
return 0;
}