38b7be629b
Batch #3859 by sherollyner: 0 byte-identical, 1 confirmed by peer review. - fn_07836 TerrainHeight::CellType: logic confirmed by peer review Peer-reviewed-by: ragnarok-clanker, Yommy, youko Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
#include "Contents/Ground/TerrainHeight.h"
|
|
|
|
#include "Client/Application/ErrorDialog.h"
|
|
#include "Utility/Math/ScalarConversion.h"
|
|
|
|
// OFFSET: 0x00748C80
|
|
// FUNCTION: fn_07836
|
|
std::uint32_t TerrainHeight::CellType(float x, float z) const {
|
|
const float size = static_cast<float>(this->cellSize);
|
|
const int column = static_cast<int>(((static_cast<float>(this->width) * size) * 0.5f + x) / size);
|
|
if (column >= 0) {
|
|
const int row = static_cast<int>(((static_cast<float>(this->height) * size) * 0.5f + z) / size);
|
|
if (row >= 0 && column < this->width && row < this->height) {
|
|
return this->CellAt(column, row)->type;
|
|
}
|
|
}
|
|
|
|
ShowErrorDialog(static_cast<int>(x));
|
|
ShowErrorDialog(static_cast<int>(z));
|
|
return 1;
|
|
}
|
|
|
|
// OFFSET: 0x00748D80
|
|
// FUNCTION: fn_07838
|
|
float TerrainHeight::Height(float x, float z) const {
|
|
const float size = static_cast<float>(this->cellSize);
|
|
const float gridX = (static_cast<float>(this->width) * size) * 0.5f + x;
|
|
const float gridZ = (static_cast<float>(this->height) * size) * 0.5f + z;
|
|
const int column = TruncateToInt(gridX / size);
|
|
const int row = TruncateToInt(gridZ / size);
|
|
|
|
if (column < 0 || column >= this->width || row < 0 || row >= this->height) {
|
|
return 0.0f;
|
|
}
|
|
|
|
const TerrainHeightCell* cell = this->cells + column + row * this->width;
|
|
|
|
if (!cell) {
|
|
return 0.0f;
|
|
}
|
|
|
|
const float localZ = gridZ - static_cast<float>(row) * size;
|
|
const float first = ((cell->heights[2] - cell->heights[0]) * localZ) / size + cell->heights[0];
|
|
const float second = ((cell->heights[3] - cell->heights[1]) * localZ) / size + cell->heights[1];
|
|
const float localX = gridX - static_cast<float>(column) * size;
|
|
|
|
return (localX * (second - first)) / size + first;
|
|
}
|
|
|
|
// OFFSET: 0x00748D30
|
|
// FUNCTION: fn_07837
|
|
const TerrainHeightCell* TerrainHeight::CellAt(int column, int row) const {
|
|
if (column < 0 || column >= this->width || row < 0 || row >= this->height) {
|
|
return nullptr;
|
|
}
|
|
|
|
return this->cells + column + row * this->width;
|
|
}
|
|
|
|
// OFFSET: 0x007492A0
|
|
// FUNCTION: fn_07841
|
|
bool TerrainHeight::Walkable(int column, int row) const {
|
|
const TerrainHeightCell* cell = this->CellAt(column, row);
|
|
return cell && cell->type != 1 && cell->type != 5;
|
|
}
|