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metaforce/Runtime/World/CFluidPlane.cpp

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#include "Runtime/World/CFluidPlane.hpp"
#include "Runtime/CSimplePool.hpp"
#include "Runtime/CStateManager.hpp"
#include "Runtime/GameGlobalObjects.hpp"
#include "Runtime/World/CRipple.hpp"
#include "Runtime/World/CScriptWater.hpp"
namespace metaforce {
CFluidPlane::CFluidPlane(CAssetId texPattern1, CAssetId texPattern2, CAssetId texColor, float alpha,
EFluidType fluidType, float rippleIntensity, const CFluidUVMotion& motion)
: x4_texPattern1Id(texPattern1)
, x8_texPattern2Id(texPattern2)
, xc_texColorId(texColor)
, x40_alpha(alpha)
, x44_fluidType(fluidType)
, x48_rippleIntensity(rippleIntensity)
, x4c_uvMotion(motion) {
if (g_ResFactory->GetResourceTypeById(texPattern1) == FOURCC('TXTR'))
x10_texPattern1 = g_SimplePool->GetObj(SObjectTag{FOURCC('TXTR'), texPattern1});
if (g_ResFactory->GetResourceTypeById(texPattern2) == FOURCC('TXTR'))
x20_texPattern2 = g_SimplePool->GetObj(SObjectTag{FOURCC('TXTR'), texPattern2});
if (g_ResFactory->GetResourceTypeById(texColor) == FOURCC('TXTR'))
x30_texColor = g_SimplePool->GetObj(SObjectTag{FOURCC('TXTR'), texColor});
}
float CFluidPlane::ProjectRippleVelocity(float baseI, float velDot) const {
float tmp = 0.5f * baseI * velDot * velDot;
if (tmp != 0.f)
tmp = std::sqrt(tmp);
if (tmp >= 160.f)
return 1.f;
return tmp / 160.f;
}
float CFluidPlane::CalculateRippleIntensity(float baseI) const {
float mul = 0.0f;
switch (x44_fluidType) {
case EFluidType::NormalWater:
mul = g_tweakGame->GetRippleIntensityNormal();
break;
case EFluidType::PoisonWater:
mul = g_tweakGame->GetRippleIntensityPoison();
break;
case EFluidType::Lava:
mul = g_tweakGame->GetRippleIntensityLava();
break;
case EFluidType::PhazonFluid:
case EFluidType::Four:
mul = 0.8f;
break;
case EFluidType::ThickLava:
mul = 1.f;
break;
}
return zeus::clamp(0.f, baseI * mul * (1.f - x48_rippleIntensity + 0.5f), 1.f);
}
void CFluidPlane::AddRipple(float mag, TUniqueId rippler, const zeus::CVector3f& center, CScriptWater& water,
CStateManager& mgr) {
if (!water.CanRippleAtPoint(center))
return;
mag = CalculateRippleIntensity(mag);
mgr.GetFluidPlaneManager()->RippleManager().AddRipple(CRipple(rippler, center, mag));
}
void CFluidPlane::AddRipple(float intensity, TUniqueId rippler, const zeus::CVector3f& center,
const zeus::CVector3f& velocity, const CScriptWater& water, CStateManager& mgr,
const zeus::CVector3f& upVec) {
if (!water.CanRippleAtPoint(center))
return;
intensity = CalculateRippleIntensity(ProjectRippleVelocity(intensity, upVec.dot(velocity)));
mgr.GetFluidPlaneManager()->RippleManager().AddRipple(CRipple(rippler, center, intensity));
}
void CFluidPlane::AddRipple(const CRipple& ripple, const CScriptWater& water, CStateManager& mgr) {
if (!water.CanRippleAtPoint(ripple.GetCenter()))
return;
mgr.GetFluidPlaneManager()->RippleManager().AddRipple(ripple);
}
void CFluidPlane::RenderStripWithRipples(float curY, const Heights& heights, const Flags& flags, int startYDiv,
const CFluidPlaneRender::SPatchInfo& info,
std::vector<CFluidPlaneShader::Vertex>& vOut,
std::vector<CFluidPlaneShader::PatchVertex>& pvOut) {
m_shader->bindRegular();
int yTile = (startYDiv + CFluidPlaneRender::numSubdivisionsInTile - 1) / CFluidPlaneRender::numSubdivisionsInTile;
int endXTile =
(info.x0_xSubdivs + CFluidPlaneRender::numSubdivisionsInTile - 4) / CFluidPlaneRender::numSubdivisionsInTile;
int midDiv = CFluidPlaneRender::numSubdivisionsInTile / 2;
float tileMid = info.x18_rippleResolution * midDiv;
float yMin = curY;
float yMid = curY + tileMid;
float curX = info.x4_localMin.x();
int gridCell = info.x28_tileX + info.x2a_gridDimX * (info.x2e_tileY + yTile - 1);
int xTile = 1;
int tileSpan;
for (int i = 1; i < info.x0_xSubdivs - 2; i += CFluidPlaneRender::numSubdivisionsInTile * tileSpan,
gridCell += tileSpan, xTile += tileSpan, curX += info.x14_tileSize * tileSpan) {
tileSpan = 1;
if (info.x30_gridFlags && !info.x30_gridFlags[gridCell])
continue;
if ((flags[yTile][xTile] & 0x1f) == 0x1f) {
for (; xTile + tileSpan <= endXTile; ++tileSpan) {
if ((flags[yTile][xTile + tileSpan] & 0x1f) != 0x1f)
break;
if (info.x30_gridFlags && !info.x30_gridFlags[gridCell + tileSpan])
break;
}
int stripDivCount = tileSpan * CFluidPlaneRender::numSubdivisionsInTile + 1;
int remSubdivs = CFluidPlaneRender::numSubdivisionsInTile;
std::function<void(float x, float y, const CFluidPlaneRender::SHFieldSample& samp)> func;
switch (info.x37_normalMode) {
case CFluidPlaneRender::NormalMode::None:
func = [&](float x, float y, const CFluidPlaneRender::SHFieldSample& samp) {
vOut.emplace_back(zeus::CVector3f(x, y, samp.height));
};
break;
case CFluidPlaneRender::NormalMode::NoNormals:
func = [&](float x, float y, const CFluidPlaneRender::SHFieldSample& samp) {
vOut.emplace_back(zeus::CVector3f(x, y, samp.height), samp.MakeColor(info));
};
break;
case CFluidPlaneRender::NormalMode::Normals:
func = [&](float x, float y, const CFluidPlaneRender::SHFieldSample& samp) {
vOut.emplace_back(zeus::CVector3f(x, y, samp.height), samp.MakeNormal(), samp.MakeColor(info));
};
break;
case CFluidPlaneRender::NormalMode::NBT:
func = [&](float x, float y, const CFluidPlaneRender::SHFieldSample& samp) {
vOut.emplace_back(zeus::CVector3f(x, y, samp.height), samp.MakeNormal(), samp.MakeBinormal(),
samp.MakeTangent(), samp.MakeColor(info));
};
break;
}
float curTileY = yMin;
int curYDiv = startYDiv;
for (; remSubdivs > 0; --remSubdivs, ++curYDiv, curTileY += info.x18_rippleResolution) {
size_t start = vOut.size();
float curTileX = curX;
for (int v = 0; v < stripDivCount; ++v) {
func(curTileX, curTileY, heights[curYDiv][i + v]);
func(curTileX, curTileY + info.x18_rippleResolution, heights[curYDiv + 1][i + v]);
curTileX += info.x18_rippleResolution;
}
// CGraphics::DrawArray(start, vOut.size() - start);
}
} else {
bool r19 = (flags[yTile + 1][xTile] & 0x2) != 0; // North
bool r16 = (flags[yTile][xTile - 1] & 0x8) != 0; // West
bool r18 = (flags[yTile][xTile + 1] & 0x4) != 0; // East
bool r17 = (flags[yTile - 1][xTile] & 0x1) != 0; // South
int r6 = (r19 ? CFluidPlaneRender::numSubdivisionsInTile : 1) + 2;
r6 += r18 ? CFluidPlaneRender::numSubdivisionsInTile : 1;
r6 += r17 ? CFluidPlaneRender::numSubdivisionsInTile : 1;
r6 += r16 ? CFluidPlaneRender::numSubdivisionsInTile : 1;
if (r6 == 6 && (info.x37_normalMode == CFluidPlaneRender::NormalMode::Normals ||
info.x37_normalMode == CFluidPlaneRender::NormalMode::NBT)) {
for (; xTile + tileSpan <= endXTile; ++tileSpan) {
if ((flags[yTile][xTile + tileSpan] & 0x1f) == 0x1f)
break;
if (info.x30_gridFlags && !info.x30_gridFlags[gridCell + tileSpan])
break;
if ((flags[yTile + 1][xTile + tileSpan] & 0x2) != 0x0)
break;
if ((flags[yTile][xTile + tileSpan + 1] & 0x4) != 0x0)
break;
if ((flags[yTile - 1][xTile + tileSpan] & 0x1) != 0x0)
break;
}
int stripDivCount = tileSpan + 1;
size_t start = vOut.size();
switch (info.x37_normalMode) {
case CFluidPlaneRender::NormalMode::Normals: {
int curYDiv0 = startYDiv;
int curYDiv1 = startYDiv + CFluidPlaneRender::numSubdivisionsInTile;
float curTileX = curX;
for (int v = 0; v < stripDivCount; ++v) {
int curXDiv = v * CFluidPlaneRender::numSubdivisionsInTile + i;
const CFluidPlaneRender::SHFieldSample& samp0 = heights[curYDiv0][curXDiv];
const CFluidPlaneRender::SHFieldSample& samp1 = heights[curYDiv1][curXDiv];
vOut.emplace_back(zeus::CVector3f(curTileX, yMin, samp0.height), samp0.MakeNormal(), samp0.MakeColor(info));
vOut.emplace_back(zeus::CVector3f(curTileX, yMin + info.x14_tileSize, samp1.height), samp1.MakeNormal(),
samp1.MakeColor(info));
curTileX += info.x14_tileSize;
}
break;
}
case CFluidPlaneRender::NormalMode::NBT: {
int curYDiv0 = startYDiv;
int curYDiv1 = startYDiv + CFluidPlaneRender::numSubdivisionsInTile;
float curTileX = curX;
for (int v = 0; v < stripDivCount; ++v) {
int curXDiv = v * CFluidPlaneRender::numSubdivisionsInTile + i;
const CFluidPlaneRender::SHFieldSample& samp0 = heights[curYDiv0][curXDiv];
const CFluidPlaneRender::SHFieldSample& samp1 = heights[curYDiv1][curXDiv];
vOut.emplace_back(zeus::CVector3f(curTileX, yMin, samp0.height), samp0.MakeNormal(), samp0.MakeBinormal(),
samp0.MakeTangent(), samp0.MakeColor(info));
vOut.emplace_back(zeus::CVector3f(curTileX, yMin + info.x14_tileSize, samp1.height), samp1.MakeNormal(),
samp1.MakeBinormal(), samp1.MakeTangent(), samp1.MakeColor(info));
curTileX += info.x14_tileSize;
}
break;
}
default:
break;
}
// CGraphics::DrawArray(start, vOut.size() - start);
} else {
TriFanToStrip<CFluidPlaneShader::Vertex> toStrip(vOut);
std::function<void(float x, float y, const CFluidPlaneRender::SHFieldSample& samp)> func;
switch (info.x37_normalMode) {
case CFluidPlaneRender::NormalMode::None:
func = [&](float x, float y, const CFluidPlaneRender::SHFieldSample& samp) {
toStrip.EmplaceVert(zeus::CVector3f(x, y, samp.height));
};
break;
case CFluidPlaneRender::NormalMode::NoNormals:
func = [&](float x, float y, const CFluidPlaneRender::SHFieldSample& samp) {
toStrip.EmplaceVert(zeus::CVector3f(x, y, samp.height), samp.MakeColor(info));
};
break;
case CFluidPlaneRender::NormalMode::Normals:
func = [&](float x, float y, const CFluidPlaneRender::SHFieldSample& samp) {
toStrip.EmplaceVert(zeus::CVector3f(x, y, samp.height), samp.MakeNormal(), samp.MakeColor(info));
};
break;
case CFluidPlaneRender::NormalMode::NBT:
func = [&](float x, float y, const CFluidPlaneRender::SHFieldSample& samp) {
toStrip.EmplaceVert(zeus::CVector3f(x, y, samp.height), samp.MakeNormal(), samp.MakeBinormal(),
samp.MakeTangent(), samp.MakeColor(info));
};
break;
}
func(tileMid + curX, yMid, heights[startYDiv + midDiv][i + midDiv]);
int curXDiv = i;
int curYDiv = startYDiv + CFluidPlaneRender::numSubdivisionsInTile;
float curTileX = curX;
float curTileY = yMin + info.x14_tileSize;
for (int v = 0; v < (r19 ? CFluidPlaneRender::numSubdivisionsInTile : 1); ++v) {
const CFluidPlaneRender::SHFieldSample& samp = heights[curYDiv][curXDiv + v];
func(curTileX, curTileY, samp);
curTileX += info.x18_rippleResolution;
}
curXDiv = i + CFluidPlaneRender::numSubdivisionsInTile;
curYDiv = startYDiv + CFluidPlaneRender::numSubdivisionsInTile;
curTileX = curX + info.x14_tileSize;
curTileY = yMin + info.x14_tileSize;
for (int v = 0; v < (r18 ? CFluidPlaneRender::numSubdivisionsInTile : 1); ++v) {
const CFluidPlaneRender::SHFieldSample& samp = heights[curYDiv - v][curXDiv];
func(curTileX, curTileY, samp);
curTileY -= info.x18_rippleResolution;
}
curXDiv = i + CFluidPlaneRender::numSubdivisionsInTile;
curYDiv = startYDiv;
curTileX = curX + info.x14_tileSize;
curTileY = yMin;
for (int v = 0; v < (r17 ? CFluidPlaneRender::numSubdivisionsInTile : 1); ++v) {
const CFluidPlaneRender::SHFieldSample& samp = heights[curYDiv][curXDiv - v];
func(curTileX, curTileY, samp);
curTileX -= info.x18_rippleResolution;
}
curXDiv = i;
curYDiv = startYDiv;
curTileX = curX;
curTileY = yMin;
if (r16) {
for (int v = 0; v < CFluidPlaneRender::numSubdivisionsInTile + 1; ++v) {
const CFluidPlaneRender::SHFieldSample& samp = heights[curYDiv + v][curXDiv];
func(curTileX, curTileY, samp);
curTileY += info.x18_rippleResolution;
}
} else {
{
const CFluidPlaneRender::SHFieldSample& samp = heights[curYDiv][curXDiv];
func(curTileX, curTileY, samp);
}
curTileY += info.x14_tileSize;
{
const CFluidPlaneRender::SHFieldSample& samp =
heights[curYDiv + CFluidPlaneRender::numSubdivisionsInTile][curXDiv];
func(curTileX, curTileY, samp);
}
}
// toStrip.Draw();
}
}
}
}
void CFluidPlane::RenderPatch(const CFluidPlaneRender::SPatchInfo& info, const Heights& heights, const Flags& flags,
bool noRipples, bool flagIs1, std::vector<CFluidPlaneShader::Vertex>& vOut,
std::vector<CFluidPlaneShader::PatchVertex>& pvOut) {
OPTICK_EVENT();
if (noRipples) {
m_shader->bindRegular();
float xMin = info.x4_localMin.x();
float yMin = info.x4_localMin.y();
float xMax = info.x18_rippleResolution * (info.x0_xSubdivs - 2) + xMin;
float yMax = info.x18_rippleResolution * (info.x1_ySubdivs - 2) + yMin;
switch (info.x37_normalMode) {
case CFluidPlaneRender::NormalMode::None: {
size_t start = vOut.size();
vOut.emplace_back(zeus::CVector3f(xMin, yMin, 0.f));
vOut.emplace_back(zeus::CVector3f(xMin, yMax, 0.f));
vOut.emplace_back(zeus::CVector3f(xMax, yMin, 0.f));
vOut.emplace_back(zeus::CVector3f(xMax, yMax, 0.f));
// CGraphics::DrawArray(start, 4);
break;
}
case CFluidPlaneRender::NormalMode::NoNormals: {
size_t start = vOut.size();
vOut.emplace_back(zeus::CVector3f(xMin, yMin, 0.f), zeus::skBlack);
vOut.emplace_back(zeus::CVector3f(xMin, yMax, 0.f), zeus::skBlack);
vOut.emplace_back(zeus::CVector3f(xMax, yMin, 0.f), zeus::skBlack);
vOut.emplace_back(zeus::CVector3f(xMax, yMax, 0.f), zeus::skBlack);
// CGraphics::DrawArray(start, 4);
break;
}
case CFluidPlaneRender::NormalMode::Normals: {
int yTiles = (info.x1_ySubdivs - 3) / CFluidPlaneRender::numSubdivisionsInTile + 1;
int xTiles = (info.x0_xSubdivs - 3) / CFluidPlaneRender::numSubdivisionsInTile + 1;
int xTileStart = info.x28_tileX + info.x2e_tileY * info.x2a_gridDimX;
yMax = yMin;
for (int curYTile = yTiles; curYTile > 0;
--curYTile, yMax += info.x14_tileSize, xTileStart += info.x2a_gridDimX) {
xMax = xMin;
int nextXTile;
for (int curXTile = 0; curXTile < xTiles; curXTile = nextXTile) {
if (!info.x30_gridFlags || info.x30_gridFlags[xTileStart + curXTile]) {
if (curYTile == yTiles || curYTile == 1 || curXTile == 0 || xTiles - 1 == curXTile) {
TriFanToStrip<CFluidPlaneShader::Vertex> toStrip(vOut);
toStrip.EmplaceVert(
zeus::CVector3f(xMax + 0.5f * info.x14_tileSize, yMax + 0.5f * info.x14_tileSize, 0.f), zeus::skUp,
zeus::skBlack);
float tmp = xMax;
for (int v = 0; v < ((curYTile == 1) ? CFluidPlaneRender::numSubdivisionsInTile : 1); ++v) {
toStrip.EmplaceVert(zeus::CVector3f(tmp, yMax + info.x14_tileSize, 0.f), zeus::skUp, zeus::skBlack);
tmp += info.x18_rippleResolution;
}
tmp = yMax + info.x14_tileSize;
for (int v = 0; v < ((xTiles - 1 == curXTile) ? CFluidPlaneRender::numSubdivisionsInTile : 1); ++v) {
toStrip.EmplaceVert(zeus::CVector3f(xMax + info.x14_tileSize, tmp, 0.f), zeus::skUp, zeus::skBlack);
tmp -= info.x18_rippleResolution;
}
tmp = xMax + info.x14_tileSize;
for (int v = 0; v < ((curYTile == yTiles) ? CFluidPlaneRender::numSubdivisionsInTile : 1); ++v) {
toStrip.EmplaceVert(zeus::CVector3f(tmp, yMax, 0.f), zeus::skUp, zeus::skBlack);
tmp -= info.x18_rippleResolution;
}
tmp = yMax;
for (int v = 0; v < ((curXTile == 0) ? CFluidPlaneRender::numSubdivisionsInTile : 1); ++v) {
toStrip.EmplaceVert(zeus::CVector3f(xMax, tmp, 0.f), zeus::skUp, zeus::skBlack);
tmp += info.x18_rippleResolution;
}
toStrip.EmplaceVert(zeus::CVector3f(xMax, yMax + info.x14_tileSize, 0.f), zeus::skUp, zeus::skBlack);
// toStrip.Draw();
nextXTile = curXTile + 1;
xMax += info.x14_tileSize;
} else {
nextXTile = curXTile + 1;
while (nextXTile < xTiles - 1 && (!info.x30_gridFlags || info.x30_gridFlags[xTileStart + nextXTile]))
++nextXTile;
size_t start = vOut.size();
for (int v = 0; v < nextXTile - curXTile + 1; ++v) {
vOut.emplace_back(zeus::CVector3f(xMax, yMax, 0.f), zeus::skUp, zeus::skBlack);
vOut.emplace_back(zeus::CVector3f(xMax, yMax + info.x14_tileSize, 0.f), zeus::skUp, zeus::skBlack);
xMax += info.x14_tileSize;
}
// CGraphics::DrawArray(start, vOut.size() - start);
++nextXTile;
if (nextXTile == xTiles) {
--nextXTile;
xMax -= info.x14_tileSize;
}
}
} else {
nextXTile = curXTile + 1;
xMax += info.x14_tileSize;
while (nextXTile < xTiles && !info.x30_gridFlags[xTileStart + nextXTile]) {
xMax += info.x14_tileSize;
++nextXTile;
}
}
}
}
break;
}
case CFluidPlaneRender::NormalMode::NBT: {
if (flagIs1 || !info.x30_gridFlags) {
size_t start = vOut.size();
vOut.emplace_back(zeus::CVector3f(xMin, yMin, 0.f), zeus::skUp, zeus::skForward, zeus::skRight, zeus::skBlack);
vOut.emplace_back(zeus::CVector3f(xMin, yMax, 0.f), zeus::skUp, zeus::skForward, zeus::skRight, zeus::skBlack);
vOut.emplace_back(zeus::CVector3f(xMax, yMin, 0.f), zeus::skUp, zeus::skForward, zeus::skRight, zeus::skBlack);
vOut.emplace_back(zeus::CVector3f(xMax, yMax, 0.f), zeus::skUp, zeus::skForward, zeus::skRight, zeus::skBlack);
// CGraphics::DrawArray(start, 4);
} else {
int xTiles = (info.x0_xSubdivs - 3) / CFluidPlaneRender::numSubdivisionsInTile + 1;
int yTiles = (info.x1_ySubdivs - 3) / CFluidPlaneRender::numSubdivisionsInTile + 1;
int xTileStart = info.x28_tileX + info.x2e_tileY * info.x2a_gridDimX;
for (; yTiles > 0; --yTiles, yMin += info.x14_tileSize, xTileStart += info.x2a_gridDimX) {
xMax = xMin;
int nextXTile;
for (int curXTile = 0; curXTile < xTiles; curXTile = nextXTile) {
if (info.x30_gridFlags[xTileStart + curXTile]) {
nextXTile = curXTile + 1;
int tile = xTileStart + nextXTile;
while (nextXTile < xTiles && info.x30_gridFlags[tile]) {
++nextXTile;
++tile;
}
size_t start = vOut.size();
for (int v = 0; v < nextXTile - curXTile + 1; ++v) {
vOut.emplace_back(zeus::CVector3f(xMax, yMin, 0.f), zeus::skUp, zeus::skForward, zeus::skRight,
zeus::skBlack);
vOut.emplace_back(zeus::CVector3f(xMax, yMin + info.x14_tileSize, 0.f), zeus::skUp, zeus::skForward,
zeus::skRight, zeus::skBlack);
xMax += info.x14_tileSize;
}
// CGraphics::DrawArray(start, vOut.size() - start);
} else {
nextXTile = curXTile + 1;
xMax += info.x14_tileSize;
int tile = xTileStart + nextXTile;
while (nextXTile < xTiles && !info.x30_gridFlags[tile]) {
xMax += info.x14_tileSize;
++nextXTile;
++tile;
}
}
}
}
}
break;
}
}
} else {
float curY = info.x4_localMin.y();
for (int startYDiv = 1; startYDiv < info.x1_ySubdivs - 2;
startYDiv += CFluidPlaneRender::numSubdivisionsInTile, curY += info.x14_tileSize)
RenderStripWithRipples(curY, heights, flags, startYDiv, info, vOut, pvOut);
}
}
} // namespace metaforce
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