blob: 7880d8cbfbbaf7102ecc9e46c5b609927e49fbd1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
//-----------------------------------------------------------------------------
// Name: heightmap.h
// Developer: Wolfire Games LLC
// Description:
// License: Read below
//-----------------------------------------------------------------------------
//
//
// Copyright 2022 Wolfire Games LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-----------------------------------------------------------------------------
#pragma once
#include <Internal/integer.h>
#include <Internal/modid.h>
#include <string>
#include <vector>
class HeightmapImage
{
public:
enum HMScale {
DOWNSAMPLED = true,
ORIGINAL_RES = false
};
HeightmapImage():width_(0),depth_(0),checksum_(0){}
bool LoadData(const std::string& fileName, HMScale scaled);
float GetHeight(int x, int z) const;
float GetHeightXZ(float x, float z) const;
inline int32_t width() const {return width_;}
inline int32_t depth() const {return depth_;}
inline const std::string& path() const {return rel_path_;}
inline uint16_t checksum() const {return checksum_;}
ModID modsource_;
private:
static const int kTerrainDimX = 1024;
static const int kTerrainDimY = 1024;
static const int kTerrainHeightScale = 32;
static const int kHMCacheVersion = 1;
bool ReadCacheFile(const std::string& path, uint16_t checksum);
void WriteCacheFile(const std::string& path);
bool LoadFromCacheIfAvailable(HMScale scaled);
int32_t width_;
int32_t depth_;
uint16_t checksum_;
std::vector<float> height_data_;
std::string rel_path_;
};
|