mirror of https://github.com/AxioDL/metaforce.git
82 lines
3.9 KiB
C++
82 lines
3.9 KiB
C++
#include "CFluidPlaneGPU.hpp"
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namespace urde {
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CFluidPlaneGPU::CFluidPlaneGPU(CAssetId texPattern1, CAssetId texPattern2, CAssetId texColor, CAssetId bumpMap,
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CAssetId envMap, CAssetId envBumpMap, CAssetId lightMap, float unitsPerLightmapTexel,
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float tileSize, u32 tileSubdivisions, EFluidType fluidType, float alpha,
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const zeus::CVector3f& bumpLightDir, float bumpScale, const CFluidUVMotion& mot,
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float turbSpeed, float turbDistance, float turbFreqMax, float turbFreqMin,
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float turbPhaseMax, float turbPhaseMin, float turbAmplitudeMax, float turbAmplitudeMin,
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float specularMin, float specularMax, float reflectionBlend, float reflectionSize,
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float rippleIntensity, u32 maxVertCount)
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: CFluidPlaneCPU(texPattern1, texPattern2, texColor, bumpMap, envMap, envBumpMap, lightMap, unitsPerLightmapTexel,
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tileSize, tileSubdivisions, fluidType, alpha, bumpLightDir, bumpScale, mot, turbSpeed, turbDistance,
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turbFreqMax, turbFreqMin, turbPhaseMax, turbPhaseMin, turbAmplitudeMax, turbAmplitudeMin, specularMin,
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specularMax, reflectionBlend, reflectionSize, rippleIntensity, maxVertCount) {
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m_tessellation = true;
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}
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void CFluidPlaneGPU::RenderStripWithRipples(float curY, const CFluidPlaneRender::SHFieldSample (&heights)[46][46],
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const u8 (&flags)[9][9], int startYDiv,
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const CFluidPlaneRender::SPatchInfo& info,
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std::vector<CFluidPlaneShader::Vertex>& vOut,
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std::vector<CFluidPlaneShader::PatchVertex>& pvOut) const {
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m_shader->bindTessellation();
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int yTile = (startYDiv + CFluidPlaneRender::numSubdivisionsInTile - 1) / CFluidPlaneRender::numSubdivisionsInTile;
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int endXTile =
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(info.x0_xSubdivs + CFluidPlaneRender::numSubdivisionsInTile - 4) / CFluidPlaneRender::numSubdivisionsInTile;
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float yMin = curY;
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float subdivF = CFluidPlaneRender::numSubdivisionsInTile;
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float curX = info.x4_localMin.x();
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int gridCell = info.x28_tileX + info.x2a_gridDimX * (info.x2e_tileY + yTile - 1);
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int xTile = 1;
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int tileSpan;
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for (int i = 1; i < info.x0_xSubdivs - 2; i += CFluidPlaneRender::numSubdivisionsInTile * tileSpan,
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gridCell += tileSpan, xTile += tileSpan, curX += info.x14_tileSize * tileSpan) {
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tileSpan = 1;
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if (info.x30_gridFlags && !info.x30_gridFlags[gridCell])
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continue;
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CFluidPlaneShader::PatchVertex pv;
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size_t start = pvOut.size();
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if ((flags[yTile][xTile] & 0x1f) == 0x1f) {
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for (; xTile + tileSpan <= endXTile; ++tileSpan) {
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if ((flags[yTile][xTile + tileSpan] & 0x1f) != 0x1f)
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break;
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if (info.x30_gridFlags && !info.x30_gridFlags[gridCell + tileSpan])
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break;
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}
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pv.m_outerLevels.fill(subdivF);
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pv.m_innerLevels.fill(subdivF);
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} else {
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const bool north = (flags[yTile + 1][xTile] & 0x2) != 0;
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const bool west = (flags[yTile][xTile - 1] & 0x8) != 0;
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const bool east = (flags[yTile][xTile + 1] & 0x4) != 0;
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const bool south = (flags[yTile - 1][xTile] & 0x1) != 0;
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pv.m_outerLevels[0] = west ? subdivF : 1.f;
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pv.m_outerLevels[1] = south ? subdivF : 1.f;
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pv.m_outerLevels[2] = east ? subdivF : 1.f;
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pv.m_outerLevels[3] = north ? subdivF : 1.f;
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pv.m_innerLevels.fill(subdivF);
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}
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float curTileY = yMin;
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float curTileX = curX;
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for (int t = 0; t < tileSpan; ++t) {
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pv.m_pos = zeus::CVector4f(curTileX, curTileY, curTileX + info.x14_tileSize, curTileY + info.x14_tileSize);
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pvOut.push_back(pv);
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curTileX += info.x14_tileSize;
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}
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CGraphics::DrawArray(start, pvOut.size() - start);
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}
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}
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} // namespace urde
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