mirror of https://github.com/AxioDL/metaforce.git
144 lines
4.3 KiB
C++
144 lines
4.3 KiB
C++
#include "Runtime/World/CFluidPlaneManager.hpp"
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#include "Runtime/CStateManager.hpp"
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#include "Runtime/World/CExplosion.hpp"
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#include "Runtime/World/CScriptWater.hpp"
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namespace metaforce {
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CFluidPlaneManager::CFluidProfile CFluidPlaneManager::sProfile = {};
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CFluidPlaneManager::CFluidPlaneManager() : x0_rippleManager(20, 0.5f) {
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sProfile.Clear();
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SetupRippleMap();
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}
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void CFluidPlaneManager::CFluidProfile::Clear() {
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x0_ = 0.f;
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x4_ = 0.f;
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x8_ = 0.f;
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xc_ = 0.f;
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x10_ = 0.f;
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}
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void CFluidPlaneManager::StartFrame(bool b) {
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x121_ = b;
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sProfile.Clear();
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}
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void CFluidPlaneManager::Update(float dt) {
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x11c_uvT += dt;
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x0_rippleManager.Update(dt);
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for (CSplashRecord& record : x18_splashes) {
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record.SetTime(record.GetTime() + dt);
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if (record.GetTime() > 9999.f)
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record.SetTime(9999.f);
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}
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}
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float CFluidPlaneManager::GetLastRippleDeltaTime(TUniqueId rippler) const {
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return x0_rippleManager.GetLastRippleDeltaTime(rippler);
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}
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float CFluidPlaneManager::GetLastSplashDeltaTime(TUniqueId splasher) const {
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float newestTime = 9999.f;
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for (const CSplashRecord& record : x18_splashes)
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if (record.GetUniqueId() == splasher && newestTime > record.GetTime())
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newestTime = record.GetTime();
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return newestTime;
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}
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void CFluidPlaneManager::CreateSplash(TUniqueId splasher, CStateManager& mgr, const CScriptWater& water,
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const zeus::CVector3f& pos, float factor, bool sfx) {
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if (water.CanRippleAtPoint(pos)) {
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float oldestTime = 0.f;
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CSplashRecord* oldestRecord = nullptr;
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for (CSplashRecord& record : x18_splashes) {
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if (record.GetTime() > oldestTime) {
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oldestRecord = &record;
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oldestTime = record.GetTime();
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}
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}
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if (oldestRecord)
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*oldestRecord = CSplashRecord(0.f, splasher);
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else
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x18_splashes.emplace_back(0.f, splasher);
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float splashScale = water.GetSplashEffectScale(factor);
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if (water.GetSplashEffect(factor)) {
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CExplosion* expl = new CExplosion(*water.GetSplashEffect(factor), mgr.AllocateUniqueId(), true,
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CEntityInfo(water.GetAreaIdAlways(), CEntity::NullConnectionList), "Splash",
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zeus::CTransform(zeus::CMatrix3f(), pos), 1, zeus::CVector3f{splashScale},
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water.GetSplashColor());
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mgr.AddObject(expl);
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}
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if (sfx) {
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CSfxManager::AddEmitter(water.GetSplashSound(factor), pos, zeus::skUp, true, false, 0x7f, kInvalidAreaId);
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}
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}
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}
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static bool g_RippleMapSetup = false;
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std::array<std::array<u8, 64>, 64> CFluidPlaneManager::RippleValues{};
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std::array<u8, 64> CFluidPlaneManager::RippleMins{};
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std::array<u8, 64> CFluidPlaneManager::RippleMaxs{};
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std::shared_ptr<aurora::TextureHandle> CFluidPlaneManager::RippleMapTex;
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void CFluidPlaneManager::SetupRippleMap() {
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if (g_RippleMapSetup) {
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return;
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}
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g_RippleMapSetup = true;
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float curX = 0.f;
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for (size_t i = 0; i < 64; ++i) {
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float curY = 0.f;
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float minY = 1.f;
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float maxY = 0.f;
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for (size_t j = 0; j < 64; ++j) {
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const float rVal = 1.f - curY;
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float minX = curY;
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float maxX = 1.25f * (0.25f * rVal + 0.1f) + curY;
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if (curY < 0.f) {
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minX = 0.f;
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} else if (maxX > 1.f) {
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maxX = 1.f;
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}
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float val = 0.f;
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if (curX >= minX && curX <= maxX) {
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const float t = (curX - minX) / (maxX - minX);
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if (t < 0.4f) {
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val = 2.5f * t;
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} else if (t > 0.75f) {
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val = 4.f * (1.f - t);
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} else {
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val = 1.f;
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}
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}
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const auto valA = u8(std::max(int(255.f * val * rVal * rVal) - 1, 0));
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RippleValues[i][j] = valA;
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if (valA != 0 && curY < minY) {
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minY = curY;
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}
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if (valA != 0 && curY > maxY) {
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maxY = curY;
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}
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curY += (1.f / 63.f);
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}
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const auto valB = u8(std::max(int(255.f * minY) - 1, 0));
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const auto valC = u8(std::min(int(255.f * maxY) + 1, 255));
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RippleMins[i] = valB;
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RippleMaxs[i] = valC;
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curX += (1.f / 63.f);
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}
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RippleMapTex =
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aurora::new_static_texture_2d(64, 64, 1, aurora::shaders::TextureFormat::R8,
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{reinterpret_cast<const uint8_t*>(RippleValues.data()), 64 * 64}, "Ripple Map");
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}
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} // namespace metaforce
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