minetest/minetestmapper
1
0
Fork 0
mirror of https://github.com/minetest/minetestmapper.git synced 2025-07-02 00:20:22 +02:00
Code Issues Projects Releases Wiki Activity

Small optimization of PixelAttributes.

Browse Source
This commit is contained in:
Miroslav Bendík
2012-09-01 14:36:14 +02:00
parent 1edbba5a94
commit 4a8c041bc1
3 changed files with 45 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
PixelAttributes.h
View File

@ -11,7 +11,7 @@
#define PIXELATTRIBUTES_H_ADZ35GYF
#include <limits>
#include <vector>
#include "config.h"
struct PixelAttribute {
PixelAttribute(): height(std::numeric_limits<int>::min()) {};
@ -25,12 +25,23 @@ class PixelAttributes
{
public:
PixelAttributes();
virtual ~PixelAttributes();
void setWidth(int width);
void scroll();
inline PixelAttribute &attribute(int z, int x) { return m_blockPixelAttributes[z + 1][x + 1]; };
inline PixelAttribute &attribute(int z, int x) { return m_pixelAttributes[z + 1][x + 1]; };
private:
std::vector <std::vector <PixelAttribute> > m_blockPixelAttributes;
void freeAttributes();
private:
enum Line {
FirstLine = 0,
LastLine = BLOCK_SIZE,
EmptyLine = BLOCK_SIZE + 1,
BlockCount = BLOCK_SIZE + 2
};
PixelAttribute *m_pixelAttributes[BLOCK_SIZE + 2]; // 1px gradient + empty
int m_width;
};
#endif /* end of include guard: PIXELATTRIBUTES_H_ADZ35GYF */