metaforce/Runtime/World/CStateMachine.hpp

126 lines
3.3 KiB
C++

#pragma once
#include <vector>
#include "Runtime/CToken.hpp"
#include "Runtime/GCNTypes.hpp"
#include "Runtime/IObj.hpp"
#include "Runtime/IObjFactory.hpp"
#include "Runtime/IOStreams.hpp"
#include "Runtime/World/CAiFuncMap.hpp"
namespace urde {
class CAiState;
class CStateManager;
class CAiTrigger {
CAiTriggerFunc x0_func;
float xc_arg = 0.f;
CAiTrigger* x10_andTrig = nullptr;
CAiState* x14_state = nullptr;
bool x18_lNot = false;
public:
CAiTrigger() = default;
CAiTrigger* GetAnd() const { return x10_andTrig; }
CAiState* GetState() const { return x14_state; }
bool CallFunc(CStateManager& mgr, CAi& ai) const {
if (x0_func) {
bool ret = (ai.*x0_func)(mgr, xc_arg);
return x18_lNot == !ret;
}
return true;
}
void Setup(CAiTriggerFunc func, bool lnot, float arg, CAiTrigger* andTrig) {
x0_func = func;
x18_lNot = lnot;
xc_arg = arg;
x10_andTrig = andTrig;
}
void Setup(CAiTriggerFunc func, bool lnot, float arg, CAiState* state) {
x0_func = func;
x18_lNot = lnot;
xc_arg = arg;
x14_state = state;
}
};
class CAiState {
friend class CStateMachineState;
CAiStateFunc x0_func;
char xc_name[32] = {};
u32 x2c_numTriggers;
CAiTrigger* x30_firstTrigger;
public:
CAiState(CAiStateFunc func, const char* name) {
x0_func = func;
strncpy(xc_name, name, 31);
}
s32 GetNumTriggers() const { return x2c_numTriggers; }
CAiTrigger* GetTrig(s32 i) const { return &x30_firstTrigger[i]; }
const char* GetName() const { return xc_name; }
void SetTriggers(CAiTrigger* triggers) { x30_firstTrigger = triggers; }
void SetNumTriggers(s32 numTriggers) { x2c_numTriggers = numTriggers; }
void CallFunc(CStateManager& mgr, CAi& ai, EStateMsg msg, float delta) const {
if (x0_func)
(ai.*x0_func)(mgr, msg, delta);
}
};
class CStateMachine {
std::vector<CAiState> x0_states;
std::vector<CAiTrigger> x10_triggers;
public:
explicit CStateMachine(CInputStream& in);
s32 GetStateIndex(std::string_view state) const;
const std::vector<CAiState>& GetStateVector() const { return x0_states; }
};
class CStateMachineState {
friend class CPatterned;
const CStateMachine* x0_machine = nullptr;
CAiState* x4_state = nullptr;
float x8_time = 0.f;
float xc_random = 0.f;
float x10_delay = 0.f;
float x14_;
union {
struct {
bool x18_24_codeTrigger : 1;
};
u32 dummy = 0;
};
public:
CStateMachineState() = default;
CAiState* GetActorState() const { return x4_state; }
void Update(CStateManager& mgr, CAi& ai, float delta);
void SetState(CStateManager&, CAi&, s32);
void SetState(CStateManager&, CAi&, const CStateMachine*, std::string_view);
const std::vector<CAiState>* GetStateVector() const;
void Setup(const CStateMachine* machine);
void SetDelay(float delay) { x10_delay = delay; }
float GetTime() const { return x8_time; }
float GetRandom() const { return xc_random; }
float GetDelay() const { return x10_delay; }
void SetCodeTrigger() { x18_24_codeTrigger = true; }
const char* GetName() const {
if (x4_state)
return x4_state->GetName();
return nullptr;
}
};
CFactoryFnReturn FAiFiniteStateMachineFactory(const SObjectTag& tag, CInputStream& in, const CVParamTransfer& vparms,
CObjectReference*);
} // namespace urde