mirror of https://github.com/AxioDL/metaforce.git
250 lines
8.7 KiB
C++
250 lines
8.7 KiB
C++
#include "CPASAnimState.hpp"
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#include "CPASAnimParmData.hpp"
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#include "CRandom16.hpp"
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#include "zeus/Math.hpp"
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#include <math.h>
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#include <float.h>
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namespace urde
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{
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CPASAnimState::CPASAnimState(CInputStream& in)
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{
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x0_id = in.readUint32Big();
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u32 parmCount = in.readUint32Big();
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u32 animCount = in.readUint32Big();
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x4_parms.reserve(parmCount);
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x14_anims.reserve(animCount);
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x24_selectionCache.reserve(animCount);
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for (u32 i=0 ; i<parmCount ; ++i)
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x4_parms.emplace_back(in);
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for (u32 i=0 ; i<animCount ; ++i)
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{
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s32 id = in.readUint32Big();
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rstl::reserved_vector<CPASAnimParm::UParmValue, 8> parms;
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for (const CPASParmInfo& parm : x4_parms)
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{
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CPASAnimParm::UParmValue val = {};
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switch (parm.GetParameterType())
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{
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case CPASAnimParm::EParmType::Int32:
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val.m_int = in.readInt32Big();
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break;
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case CPASAnimParm::EParmType::UInt32:
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val.m_uint = in.readUint32Big();
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break;
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case CPASAnimParm::EParmType::Float:
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val.m_float = in.readFloatBig();
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break;
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case CPASAnimParm::EParmType::Bool:
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val.m_bool = in.readBool();
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break;
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case CPASAnimParm::EParmType::Enum:
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val.m_int = in.readInt32Big();
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break;
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default: break;
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}
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parms.push_back(val);
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}
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auto search = std::lower_bound(x14_anims.begin(), x14_anims.end(), id,
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[](const CPASAnimInfo& item, const u32& testId) -> bool {return item.GetAnimId() < testId;});
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x14_anims.emplace(search, id, std::move(parms));
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}
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}
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CPASAnimParm CPASAnimState::GetAnimParmData(s32 idx, u32 id) const
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{
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auto search = std::lower_bound(x14_anims.begin(), x14_anims.end(), id,
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[](const CPASAnimInfo& item, const u32& testId) ->
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bool {return item.GetAnimId() < testId;});
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if (search == x14_anims.end())
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return CPASAnimParm::NoParameter();
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CPASParmInfo parm = x4_parms.at(idx);
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return (*search).GetAnimParmData(idx, parm.GetParameterType());
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}
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s32 CPASAnimState::PickRandomAnimation(CRandom16& rand) const
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{
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if (x24_selectionCache.size() == 1)
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return x24_selectionCache[0];
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if (x24_selectionCache.size() > 1)
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{
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u32 idx = u32(floor(rand.Float()));
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if (idx == x24_selectionCache.size())
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idx--;
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return x24_selectionCache[idx];
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}
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return -1;
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}
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std::pair<float, s32> CPASAnimState::FindBestAnimation(const rstl::reserved_vector<CPASAnimParm, 8>& parms,
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CRandom16& rand, s32 anim) const
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{
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const_cast<std::vector<s32>*>(&x24_selectionCache)->clear();
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float weight = -1.f;
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if (x14_anims.size() != 0)
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{
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for (const CPASAnimInfo& info : x14_anims)
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{
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float calcWeight = 1.f;
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if (x4_parms.size() > 0)
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calcWeight = 0.f;
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u32 r23 = 0 ;
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u32 i = 0;
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for (; i<x4_parms.size() ; ++i)
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{
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CPASAnimParm::UParmValue val = info.GetAnimParmValue(i);
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const CPASParmInfo& parmInfo = x4_parms[i];
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float parmWeight = parmInfo.GetParameterWeight();
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float computedWeight;
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if (parmInfo.GetWeightFunction() == CPASParmInfo::EWeightFunction::AngularPercent)
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computedWeight = ComputeAngularPercentErrorWeight(i, parms[i], val);
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else if (parmInfo.GetWeightFunction() == CPASParmInfo::EWeightFunction::ExactMatch)
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computedWeight = ComputeExactMatchWeight(i, parms[i], val);
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else if (parmInfo.GetWeightFunction() == CPASParmInfo::EWeightFunction::PercentError)
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computedWeight = ComputePercentErrorWeight(i, parms[i], val);
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else if (parmInfo.GetWeightFunction() == CPASParmInfo::EWeightFunction::Three)
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r23++;
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calcWeight = parmWeight * calcWeight + computedWeight;
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}
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if (r23 == x4_parms.size())
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calcWeight = 1.0f;
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if (calcWeight < weight)
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continue;
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auto search = std::find(x24_selectionCache.cbegin(), x24_selectionCache.cend(),
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info.GetAnimId());
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if (search == x24_selectionCache.cend())
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const_cast<std::vector<s32>*>(&x24_selectionCache)->push_back(info.GetAnimId());
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}
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}
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return {weight, PickRandomAnimation(rand)};
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}
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float CPASAnimState::ComputeExactMatchWeight(u32, const CPASAnimParm& parm, CPASAnimParm::UParmValue parmVal) const
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{
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if (parm.GetParameterType() == CPASAnimParm::EParmType::Int32)
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{
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return (parm.GetInt32Value() == parmVal.m_int ? 1.f : 0.f);
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::UInt32)
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{
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return (parm.GetUint32Value() == parmVal.m_uint ? 1.f : 0.f);
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::Float)
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{
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return ((parmVal.m_float - parm.GetReal32Value()) < FLT_EPSILON ? 1.f : 0.f);
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::Bool)
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{
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return (parm.GetBoolValue() == parmVal.m_bool ? 1.f : 0.f);
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::Enum)
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{
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return (parm.GetEnumValue() == parmVal.m_int ? 1.f : 0.f);
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}
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return 0.f;
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}
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float CPASAnimState::ComputePercentErrorWeight(u32 idx, const CPASAnimParm& parm, CPASAnimParm::UParmValue parmVal) const
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{
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float range = 0.f;
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float val = 0.f;
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if (parm.GetParameterType() == CPASAnimParm::EParmType::Int32)
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{
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const CPASParmInfo& info = x4_parms[idx];
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range = float(info.GetWeightMinValue().m_int - info.GetWeightMaxValue().m_int);
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val = float(fabs(parmVal.m_int - parm.GetInt32Value()));
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::UInt32)
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{
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const CPASParmInfo& info = x4_parms[idx];
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range = float(info.GetWeightMinValue().m_uint - info.GetWeightMaxValue().m_uint);
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val = float(fabs(parmVal.m_uint - parm.GetUint32Value()));
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::Float)
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{
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const CPASParmInfo& info = x4_parms[idx];
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range = float(info.GetWeightMinValue().m_float - info.GetWeightMaxValue().m_float);
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val = float(fabs(parmVal.m_float - parm.GetReal32Value()));
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::Bool)
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{
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val = parm.GetBoolValue() ? 1.f : 0.f;
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::Enum)
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{
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const CPASParmInfo& info = x4_parms[idx];
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range = float(info.GetWeightMinValue().m_float - info.GetWeightMaxValue().m_float);
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val = float(fabs(parmVal.m_float - parm.GetReal32Value()));
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}
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if (range > FLT_EPSILON)
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return (val / range) - 1.0f;
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return (val < FLT_EPSILON ? 1.f : 0.f);
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}
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float CPASAnimState::ComputeAngularPercentErrorWeight(u32 idx, const CPASAnimParm& parm, CPASAnimParm::UParmValue parmVal) const
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{
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float range = 0.f;
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float val = 0.f;
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if (parm.GetParameterType() == CPASAnimParm::EParmType::Int32)
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{
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const CPASParmInfo& info = x4_parms[idx];
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range = float(info.GetWeightMinValue().m_int - info.GetWeightMaxValue().m_int);
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val = float(fabs(parmVal.m_int - parm.GetInt32Value()));
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::UInt32)
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{
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const CPASParmInfo& info = x4_parms[idx];
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range = float(info.GetWeightMinValue().m_uint - info.GetWeightMaxValue().m_uint);
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val = float(fabs(parmVal.m_uint - parm.GetUint32Value()));
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::Float)
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{
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const CPASParmInfo& info = x4_parms[idx];
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range = float(info.GetWeightMinValue().m_float - info.GetWeightMaxValue().m_float);
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val = float(fabs(parmVal.m_float - parm.GetReal32Value()));
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::Bool)
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{
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val = parm.GetBoolValue() ? 1.f : 0.f;
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}
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else if (parm.GetParameterType() == CPASAnimParm::EParmType::Enum)
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{
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const CPASParmInfo& info = x4_parms[idx];
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range = float(info.GetWeightMinValue().m_float - info.GetWeightMaxValue().m_float);
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val = float(fabs(parmVal.m_float - parm.GetReal32Value()));
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}
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if (range > FLT_EPSILON)
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{
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float mid = 0.5f * range;
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float offset = 1.f - ((val > mid ? range - val : val) / mid);
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return zeus::clamp(0.f, offset, 1.f);
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}
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return (val >= FLT_EPSILON ? 0.f : 1.f);
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}
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}
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