4621997437

Build # 4621997437

Build Type

push

github

Committed by Flow86

Commit Message

fix path

Run Details

21886 of 43348 relevant lines covered (50.49%)

31880.72 hits per line

Source File
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82.86

/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 { namespace 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 { namespace mapGenerator {
10
11	River CreateStream(RandomUtility& rnd, Map& map, const MapPoint& source, Direction direction, unsigned length,	29✔
12	unsigned splitRate)
13	{
14	const MapExtent& size = map.size;	29✔
15
16	River river;	29✔
17	std::vector<Direction> exlcuded{direction + 2, direction + 3, direction + 4};	29✔
18
19	auto& textures = map.textureMap;	29✔
20	const auto water = textures.Find(IsWater);	29✔
21
22	MapPoint currentNode = source;	29✔
23	Direction currentDir = direction;	29✔
24
25	for(unsigned node = 0; node < length; ++node)	411✔
26	{
27	const auto& triangles = GetTriangles(currentNode, size, currentDir);	386✔
28
29	for(const auto& triangle : triangles)	1,158✔
30	{
31	textures.Set(triangle, water);	772✔
32
33	const auto& edges = GetTriangleEdges(triangle, size);	772✔
34	for(const MapPoint& edge : edges)	3,088✔
35	{
36	river.insert(edge);	2,316✔
37	}
38	}
39
40	if(map.z[currentNode] == map.height.minimum)	386✔
41	{
42	return river;	4✔
43	}
44
45	const auto lastDir = currentDir;	382✔
46
47	while(currentDir == lastDir \|\| helpers::contains(exlcuded, currentDir))	959✔
48	{
49	currentDir = lastDir + (rnd.ByChance(50) ? 5 : 1);	577✔
50	}
51
52	currentNode = map.getTextures().GetNeighbour(currentNode, lastDir);	382✔
53
54	if(rnd.ByChance(splitRate))	382✔
55	{
56	auto splitDirection = direction + (rnd.ByChance(50) ? 5 : 1);	×
57	auto anotherRivers = CreateStream(rnd, map, currentNode, splitDirection, length / 2, splitRate / 2);	×
58
59	for(const MapPoint& node : anotherRivers)	×
60	{
61	river.insert(node);	×
62	}
63	}	×
64	}
65
66	auto seaLevel = static_cast<unsigned>(map.height.minimum);	25✔
67	auto& z = map.z;	25✔
68
69	for(const MapPoint& node : river)	620✔
70	{
71	if(z[node] > 0)	595✔
72	{
73	z[node] = std::max(static_cast<unsigned>(z[node] - 1), seaLevel);	595✔
74	} else
75	{
76	z[node] = seaLevel;	×
77	}
78	}
79
80	return river;	25✔
81	}	29✔
82
83	}} // namespace rttr::mapGenerator

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