metaforce/Runtime/World/CFluidPlaneManager.cpp

144 lines
4.3 KiB
C++

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