14618034923

Committed 23 Apr 2025 12:23PM UTC coverage: 50.297% (+0.002%) from 50.295%

Build # 14618034923

Build Type

push

github

Committed by

Flow86

Commit Message

Make found SampleRate target global

The `find_package` would otherwise only scope it to the current folder.

Run Details

22362 of 44460 relevant lines covered (50.3%)

35607.67 hits per line

Source File
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96.97

/libs/s25main/mapGenerator/Rivers.cpp

// Copyright (C) 2005 - 2021 Settlers Freaks (sf-team at siedler25.org)
//
// SPDX-License-Identifier: GPL-2.0-or-later

#include "mapGenerator/Rivers.h"
#include "mapGenerator/Terrain.h"
#include "mapGenerator/TextureHelper.h"

namespace rttr::mapGenerator {

River CreateStream(RandomUtility& rnd, Map& map, const MapPoint& source, Direction direction, unsigned length,
                   unsigned splitRate)
{
    const MapExtent& size = map.size;

    River river;
    std::vector<Direction> exlcuded{direction + 2, direction + 3, direction + 4};

    auto& textures = map.textureMap;
    const auto water = textures.Find(IsWater);

    MapPoint currentNode = source;
    Direction currentDir = direction;

    for(unsigned node = 0; node < length; ++node)
    {
        const auto& triangles = GetTriangles(currentNode, size, currentDir);

        for(const auto& triangle : triangles)
        {
            textures.Set(triangle, water);

            const auto& edges = GetTriangleEdges(triangle, size);
            for(const MapPoint& edge : edges)
            {
                river.insert(edge);
            }
        }

        if(map.z[currentNode] == map.height.minimum)
        {
            return river;
        }

        const auto lastDir = currentDir;

        while(currentDir == lastDir || helpers::contains(exlcuded, currentDir))
        {
            currentDir = lastDir + (rnd.ByChance(50) ? 5 : 1);
        }

        currentNode = map.getTextures().GetNeighbour(currentNode, lastDir);

        if(rnd.ByChance(splitRate))
        {
            auto splitDirection = direction + (rnd.ByChance(50) ? 5 : 1);
            auto anotherRivers = CreateStream(rnd, map, currentNode, splitDirection, length / 2, splitRate / 2);

            for(const MapPoint& node : anotherRivers)
            {
                river.insert(node);
            }
        }
    }

    auto seaLevel = static_cast<unsigned>(map.height.minimum);
    auto& z = map.z;

    for(const MapPoint& node : river)
    {
        if(z[node] > 0)
        {
            z[node] = std::max(static_cast<unsigned>(z[node] - 1), seaLevel);
        } else
        {
            z[node] = seaLevel;
        }
    }

    return river;
}

} // namespace rttr::mapGenerator

1	// Copyright (C) 2005 - 2021 Settlers Freaks (sf-team at siedler25.org)
2	//
3	// SPDX-License-Identifier: GPL-2.0-or-later
4
5	#include "mapGenerator/Rivers.h"
6	#include "mapGenerator/Terrain.h"
7	#include "mapGenerator/TextureHelper.h"
8
9	namespace rttr::mapGenerator {
10
11	River CreateStream(RandomUtility& rnd, Map& map, const MapPoint& source, Direction direction, unsigned length,	30✔
12	unsigned splitRate)
13	{
14	const MapExtent& size = map.size;	30✔
15
16	River river;	30✔
17	std::vector<Direction> exlcuded{direction + 2, direction + 3, direction + 4};	60✔
18
19	auto& textures = map.textureMap;	30✔
20	const auto water = textures.Find(IsWater);	30✔
21
22	MapPoint currentNode = source;	30✔
23	Direction currentDir = direction;	30✔
24
25	for(unsigned node = 0; node < length; ++node)	446✔
26	{
27	const auto& triangles = GetTriangles(currentNode, size, currentDir);	420✔
28
29	for(const auto& triangle : triangles)	1,260✔
30	{
31	textures.Set(triangle, water);	840✔
32
33	const auto& edges = GetTriangleEdges(triangle, size);	840✔
34	for(const MapPoint& edge : edges)	3,360✔
35	{
36	river.insert(edge);	2,520✔
37	}
38	}
39
40	if(map.z[currentNode] == map.height.minimum)	420✔
41	{
42	return river;	4✔
43	}
44
45	const auto lastDir = currentDir;	416✔
46
47	while(currentDir == lastDir \|\| helpers::contains(exlcuded, currentDir))	1,050✔
48	{
49	currentDir = lastDir + (rnd.ByChance(50) ? 5 : 1);	634✔
50	}
51
52	currentNode = map.getTextures().GetNeighbour(currentNode, lastDir);	416✔
53
54	if(rnd.ByChance(splitRate))	416✔
55	{
56	auto splitDirection = direction + (rnd.ByChance(50) ? 5 : 1);	1✔
57	auto anotherRivers = CreateStream(rnd, map, currentNode, splitDirection, length / 2, splitRate / 2);	2✔
58
59	for(const MapPoint& node : anotherRivers)	131✔
60	{
61	river.insert(node);	130✔
62	}
63	}
64	}
65
66	auto seaLevel = static_cast<unsigned>(map.height.minimum);	26✔
67	auto& z = map.z;	26✔
68
69	for(const MapPoint& node : river)	901✔
70	{
71	if(z[node] > 0)	875✔
72	{
73	z[node] = std::max(static_cast<unsigned>(z[node] - 1), seaLevel);	875✔
74	} else
75	{
76	z[node] = seaLevel;	×
77	}
78	}
79
80	return river;	26✔
81	}
82
83	} // namespace rttr::mapGenerator

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