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Implemented shading.

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This commit is contained in:
Miroslav Bendík
2012-08-25 13:19:58 +02:00
parent 5ad849385a
commit 1aee368837
5 changed files with 120 additions and 8 deletions
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56
TileGenerator.cpp
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@ -12,7 +12,6 @@
#include <fstream>
#include <iostream>
#include <sstream>
#include <vector>
#include <zlib.h>
#include "TileGenerator.h"
@ -101,6 +100,19 @@ static inline std::string zlibDecompress(const char *data, std::size_t size, std
return buffer;
}
static inline int colorSafeBounds(int color)
{
if (color > 255) {
return 255;
}
else if (color < 0) {
return 0;
}
else {
return color;
}
}
TileGenerator::TileGenerator():
m_bgColor(255, 255, 255),
m_scaleColor(0, 0, 0),
@ -288,11 +300,12 @@ inline BlockPos TileGenerator::decodeBlockPos(sqlite3_int64 blockId) const
void TileGenerator::createImage()
{
m_imgWidth = (m_xMax - m_xMin + 1) * 16;
m_imgHeight = (m_zMax - m_zMin + 1) * 16;
m_image = gdImageCreateTrueColor(m_imgWidth, m_imgHeight);
m_mapWidth = (m_xMax - m_xMin + 1) * 16;
m_mapHeight = (m_zMax - m_zMin + 1) * 16;
m_image = gdImageCreateTrueColor(m_mapWidth, m_mapHeight);
m_blockPixelAttributes.setWidth(m_mapWidth);
// Background
gdImageFilledRectangle(m_image, 0, 0, m_imgWidth - 1, m_imgHeight -1, rgb2int(m_bgColor.r, m_bgColor.g, m_bgColor.b));
gdImageFilledRectangle(m_image, 0, 0, m_mapWidth - 1, m_mapHeight -1, rgb2int(m_bgColor.r, m_bgColor.g, m_bgColor.b));
}
void TileGenerator::renderMap()
@ -414,6 +427,7 @@ void TileGenerator::renderMap()
}
}
}
renderShading(zPos);
}
}
@ -423,7 +437,7 @@ inline void TileGenerator::renderMapBlock(const std::string &mapBlock, const Blo
int zBegin = (m_zMax - pos.z) * 16;
const unsigned char *mapData = reinterpret_cast<const unsigned char *>(mapBlock.c_str());
for (int z = 0; z < 16; ++z) {
int imageY = zBegin + 16 - z;
int imageY = zBegin + 15 - z;
for (int x = 0; x < 16; ++x) {
if (m_readedPixels[z] & (1 << x)) {
continue;
@ -443,6 +457,7 @@ inline void TileGenerator::renderMapBlock(const std::string &mapBlock, const Blo
const Color &c = color->second;
m_image->tpixels[imageY][imageX] = rgb2int(c.r, c.g, c.b);
m_readedPixels[z] |= (1 << x);
m_blockPixelAttributes.attribute(15 - z, xBegin + x).height = pos.y * 16 + y;
}
break;
}
@ -451,6 +466,35 @@ inline void TileGenerator::renderMapBlock(const std::string &mapBlock, const Blo
}
}
inline void TileGenerator::renderShading(int zPos)
{
int zBegin = (m_zMax - zPos) * 16;
for (int z = 1; z < 17; ++z) {
int imageY = zBegin + z;
if (imageY >= m_mapHeight) {
continue;
}
for (int x = 0; x < m_mapWidth; ++x) {
int y = m_blockPixelAttributes.attribute(z, x).height;
int y1 = m_blockPixelAttributes.attribute(z, x - 1).height;
int y2 = m_blockPixelAttributes.attribute(z - 1, x).height;
int d = ((y - y1) + (y - y2)) * 12;
if (d > 36) {
d = 36;
}
int sourceColor = m_image->tpixels[imageY][x] & 0xffffff;
int r = (sourceColor & 0xff0000) >> 16;
int g = (sourceColor & 0x00ff00) >> 8;
int b = (sourceColor & 0x0000ff);
r = colorSafeBounds(r + d);
g = colorSafeBounds(g + d);
b = colorSafeBounds(b + d);
m_image->tpixels[imageY][x] = rgb2int(r, g, b);
}
}
m_blockPixelAttributes.scroll();
}
inline std::list<int> TileGenerator::getZValueList() const
{
std::list<int> zlist;