metaforce/Runtime/World/CFluidPlaneGPU.cpp

82 lines
3.8 KiB
C++

#include "Runtime/World/CFluidPlaneGPU.hpp"
namespace metaforce {
CFluidPlaneGPU::CFluidPlaneGPU(CAssetId texPattern1, CAssetId texPattern2, CAssetId texColor, CAssetId bumpMap,
CAssetId envMap, CAssetId envBumpMap, CAssetId lightMap, float unitsPerLightmapTexel,
float tileSize, u32 tileSubdivisions, EFluidType fluidType, float alpha,
const zeus::CVector3f& bumpLightDir, float bumpScale, const CFluidUVMotion& mot,
float turbSpeed, float turbDistance, float turbFreqMax, float turbFreqMin,
float turbPhaseMax, float turbPhaseMin, float turbAmplitudeMax, float turbAmplitudeMin,
float specularMin, float specularMax, float reflectionBlend, float reflectionSize,
float rippleIntensity, u32 maxVertCount)
: CFluidPlaneCPU(texPattern1, texPattern2, texColor, bumpMap, envMap, envBumpMap, lightMap, unitsPerLightmapTexel,
tileSize, tileSubdivisions, fluidType, alpha, bumpLightDir, bumpScale, mot, turbSpeed, turbDistance,
turbFreqMax, turbFreqMin, turbPhaseMax, turbPhaseMin, turbAmplitudeMax, turbAmplitudeMin, specularMin,
specularMax, reflectionBlend, reflectionSize, rippleIntensity, maxVertCount) {
m_tessellation = true;
}
void CFluidPlaneGPU::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->bindTessellation();
int yTile = (startYDiv + CFluidPlaneRender::numSubdivisionsInTile - 1) / CFluidPlaneRender::numSubdivisionsInTile;
int endXTile =
(info.x0_xSubdivs + CFluidPlaneRender::numSubdivisionsInTile - 4) / CFluidPlaneRender::numSubdivisionsInTile;
float yMin = curY;
float subdivF = CFluidPlaneRender::numSubdivisionsInTile;
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;
CFluidPlaneShader::PatchVertex pv;
size_t start = pvOut.size();
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;
}
pv.m_outerLevels.fill(subdivF);
pv.m_innerLevels.fill(subdivF);
} else {
const bool north = (flags[yTile + 1][xTile] & 0x2) != 0;
const bool west = (flags[yTile][xTile - 1] & 0x8) != 0;
const bool east = (flags[yTile][xTile + 1] & 0x4) != 0;
const bool south = (flags[yTile - 1][xTile] & 0x1) != 0;
pv.m_outerLevels[0] = west ? subdivF : 1.f;
pv.m_outerLevels[1] = south ? subdivF : 1.f;
pv.m_outerLevels[2] = east ? subdivF : 1.f;
pv.m_outerLevels[3] = north ? subdivF : 1.f;
pv.m_innerLevels.fill(subdivF);
}
float curTileY = yMin;
float curTileX = curX;
for (int t = 0; t < tileSpan; ++t) {
pv.m_pos = zeus::CVector4f(curTileX, curTileY, curTileX + info.x14_tileSize, curTileY + info.x14_tileSize);
pvOut.push_back(pv);
curTileX += info.x14_tileSize;
}
// CGraphics::DrawArray(start, pvOut.size() - start);
}
}
} // namespace metaforce