ba6ca37fa1
Batch #10268 by ragnarok-clanker: forced by an admin (17 lower score(s), 85 changed function(s)); checked with 222 compiled unit(s), including every includer of Source/Client/Mode/CGameMode.h, Source/Contents/Camera/CameraFrame.h, Source/Contents/Ground/TerrainHeight.h, Source/Contents/World/World.h, Source/Resource/World/TerrainResource.h.
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#include "Resource/World/TerrainResource.h"
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#include "Utility/Math/RayTriangle.h"
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// OFFSET: 0x00749300
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// FUNCTION: fn_07842
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float C3dAttr::RayDistance(const float* ray, int column, int row) const {
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const TerrainHeightCell* cell = this->CellAt(column, row);
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if (!cell) {
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return 0.0f;
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}
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const float size = static_cast<float>(this->cellSize);
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const int x = column - this->width / 2;
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const int z = row - this->height / 2;
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const float left = static_cast<float>(x) * size;
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const float right = static_cast<float>(x + 1) * size;
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const float top = static_cast<float>(z) * size;
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const float bottom = static_cast<float>(z + 1) * size;
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const float first[3] = {left, cell->heights[0], top};
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const float second[3] = {right, cell->heights[1], top};
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const float third[3] = {left, cell->heights[2], bottom};
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const float fourth[3] = {right, cell->heights[3], bottom};
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float nearest = 999999.0f;
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float u;
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float v;
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float distance;
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if (IntersectRayTriangle(ray, first, second, third, u, v, distance)) {
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nearest = distance < nearest ? distance : nearest;
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}
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if (IntersectRayTriangle(ray, second, fourth, third, u, v, distance)) {
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nearest = distance < nearest ? distance : nearest;
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}
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return nearest;
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}
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