7a697a7e52
Batch #8258 by Toshiro: 0 byte-identical, 1 confirmed by peer review. - fn_17650 WorldRayQuery::WorldRayQuery: logic confirmed by peer review Peer-reviewed-by: eAthena, System4z Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
#include "Contents/World/WorldRayQuery.h"
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#include "Contents/World/WorldSpatialTree.h"
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#include "Contents/World/WorldTerrainPicking.h"
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#include "Render/Projection/RenderProjection.h"
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#include "Resource/World/TerrainResource.h"
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// OFFSET: 0x00CD4060
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// FUNCTION: fn_21274
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bool PickScreenTerrain(
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const RenderProjection& projection, int x, int y, const float* origin, const float* cameraMatrix, WorldSpatialTree& root, int& column, int& row
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) {
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WorldRayQuery query;
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float ray[6]{};
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projection.Ray(x, y, origin, cameraMatrix, ray);
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query.Collect(ray, &root);
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float nearest = 999999.0f;
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float result = nearest;
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for (WorldSpatialTree* node : query.nodes) {
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C3dAttr* terrain = node->terrain;
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int candidateRow = node->terrainCells[1];
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while (candidateRow <= node->terrainCells[3]) {
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int candidateColumn = node->terrainCells[0];
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while (candidateColumn <= node->terrainCells[2]) {
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const float distance = terrain->Grid().RayDistance(ray, candidateColumn, candidateRow);
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if (nearest > distance) {
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nearest = distance;
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column = candidateColumn;
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row = candidateRow;
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}
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result = nearest;
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candidateColumn = candidateColumn + 1;
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}
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candidateRow = candidateRow + 1;
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}
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}
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return result < 999999.0f;
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}
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