adrido/minetest-mapper-cpp
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Replace m_nextStoredYCoord by a PixelAttributes member.

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This commit is contained in:
Rogier 2015-02-14 12:47:31 +01:00
parent 07e3fb5efd
commit 784cf9604f
4 changed files with 8 additions and 9 deletions
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4
PixelAttributes.cpp
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@ -26,7 +26,7 @@ PixelAttributes::~PixelAttributes()
freeAttributes();
}
void PixelAttributes::setParameters(int width, int lines)
void PixelAttributes::setParameters(int width, int lines, int nextY)
{
freeAttributes();
m_width = width + 1; // 1px gradient calculation
@ -36,6 +36,7 @@ void PixelAttributes::setParameters(int width, int lines)
m_emptyLine = m_lastLine + 1;
m_lineCount = m_emptyLine + 1;
m_firstY = 0;
m_nextY = nextY;
m_lastY = -1;
m_firstUnshadedY = 0;
@ -73,6 +74,7 @@ void PixelAttributes::scroll(int keepY)
}
m_firstY += scroll;
m_nextY = m_firstY;
m_firstUnshadedY -= scroll;
if (m_firstUnshadedY < m_firstY) m_firstUnshadedY = m_firstY;
}

4
PixelAttributes.h
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@ -70,10 +70,11 @@ class PixelAttributes
public:
PixelAttributes();
virtual ~PixelAttributes();
void setParameters(int width, int lines);
void setParameters(int width, int lines, int nextY);
void scroll(int keepY);
PixelAttribute &attribute(int y, int x);
void renderShading(bool drawAlpha);
int getNextY(void) { return m_nextY; }
void setLastY(int y);
int getLastY(void) { return m_lastY; }
@ -90,6 +91,7 @@ private:
PixelAttribute **m_pixelAttributes;
int m_width;
int m_firstY;
int m_nextY;
int m_lastY;
int m_firstUnshadedY;
};

8
TileGenerator.cpp
View File

@ -163,7 +163,6 @@ TileGenerator::TileGenerator():
m_mapYStartNodeOffset(0),
m_mapXEndNodeOffset(0),
m_mapYEndNodeOffset(0),
m_nextStoredYCoord(0),
m_tileXOrigin(TILECENTER_AT_WORLDCENTER),
m_tileZOrigin(TILECENTER_AT_WORLDCENTER),
m_tileWidth(0),
@ -851,7 +850,7 @@ void TileGenerator::pushPixelRows(int zPosLimit) {
if (m_shading)
m_blockPixelAttributes.renderShading(m_drawAlpha);
int y;
for (y = m_nextStoredYCoord; y <= m_blockPixelAttributes.getLastY() && y < worldBlockZ2StoredY(m_zMin - 1) + m_mapYEndNodeOffset; y++) {
for (y = m_blockPixelAttributes.getNextY(); y <= m_blockPixelAttributes.getLastY() && y < worldBlockZ2StoredY(m_zMin - 1) + m_mapYEndNodeOffset; y++) {
for (int x = m_mapXStartNodeOffset; x < worldBlockX2StoredX(m_xMax + 1) + m_mapXEndNodeOffset; x++) {
int mapX = x - m_mapXStartNodeOffset;
int mapY = y - m_mapYStartNodeOffset;
@ -873,7 +872,6 @@ void TileGenerator::pushPixelRows(int zPosLimit) {
int yLimit = worldBlockZ2StoredY(zPosLimit);
if (y <= yLimit) {
m_blockPixelAttributes.scroll(yLimit);
m_nextStoredYCoord = yLimit;
}
}
@ -944,7 +942,7 @@ void TileGenerator::computeMapParameters(const std::string &input)
m_storedHeight = (m_zMax - m_zMin + 1) * 16;
int mapWidth = m_storedWidth - m_mapXStartNodeOffset + m_mapXEndNodeOffset;
int mapHeight = m_storedHeight - m_mapYStartNodeOffset + m_mapYEndNodeOffset;
m_blockPixelAttributes.setParameters(m_storedWidth, 16);
m_blockPixelAttributes.setParameters(m_storedWidth, 16, m_mapYStartNodeOffset);
// Set special values for origin (which depend on other paramters)
if (m_tileWidth) {
@ -1036,8 +1034,6 @@ void TileGenerator::computeMapParameters(const std::string &input)
false);
}
m_nextStoredYCoord = m_mapYStartNodeOffset;
// Print some useful messages in cases where it may not be possible to generate the image...
long long pixels = static_cast<long long>(m_pictWidth + m_border) * (m_pictHeight + m_border);
// Study the libgd code to known why the maximum is the following:

1
TileGenerator.h
View File

@ -205,7 +205,6 @@ private:
int m_mapYStartNodeOffset;
int m_mapXEndNodeOffset;
int m_mapYEndNodeOffset;
int m_nextStoredYCoord;
int m_tileXOrigin;
int m_tileZOrigin;
int m_tileXCentered;