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Merge pull request #513 from Mignari/master 

Per-pixel transparency, fix image blit.
This commit is contained in:
Henrique Santiago 2014-04-04 14:30:09 -03:00
parent a02c091376 41b2f9b911
commit 50d3f83fce
4 changed files with 9 additions and 3 deletions
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1
modules/gamelib/const.lua
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@ -105,6 +105,7 @@ GameNewOutfitProtocol = 49
GamePVPMode = 50 GamePVPMode = 50
GameWritableDate = 51 GameWritableDate = 51
GameAdditionalVipInfo = 52 GameAdditionalVipInfo = 52
GameSpritesAlphaChannel = 56
TextColors = { TextColors = {
red = '#f55e5e', --'#c83200' red = '#f55e5e', --'#c83200'

1
src/client/const.h
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@ -387,6 +387,7 @@ namespace Otc
GameBaseSkillU16 = 53, GameBaseSkillU16 = 53,
GameCreatureIcons = 54, GameCreatureIcons = 54,
GameHideNpcNames = 55, GameHideNpcNames = 55,
GameSpritesAlphaChannel = 56,
LastGameFeature = 101 LastGameFeature = 101
}; };

8
src/client/spritemanager.cpp
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@ -81,6 +81,7 @@ void SpriteManager::saveSpr(std::string fileName)
else else
fin->addU16(m_spritesCount); fin->addU16(m_spritesCount);
bool useAlpha = g_game.getFeature(Otc::GameSpritesAlphaChannel);
uint32 offset = fin->tell(); uint32 offset = fin->tell();
uint32 spriteAddress = offset + 4 * m_spritesCount; uint32 spriteAddress = offset + 4 * m_spritesCount;
for(int i = 1; i <= m_spritesCount; i++) for(int i = 1; i <= m_spritesCount; i++)
@ -98,6 +99,7 @@ void SpriteManager::saveSpr(std::string fileName)
fin->addU8(m_spritesFile->getU8()); fin->addU8(m_spritesFile->getU8());
fin->addU8(m_spritesFile->getU8()); fin->addU8(m_spritesFile->getU8());
fin->addU8(m_spritesFile->getU8()); fin->addU8(m_spritesFile->getU8());
if (useAlpha) fin->addU8(m_spritesFile->getU8());
uint16 dataSize = m_spritesFile->getU16(); uint16 dataSize = m_spritesFile->getU16();
fin->addU16(dataSize); fin->addU16(dataSize);
@ -153,6 +155,8 @@ ImagePtr SpriteManager::getSpriteImage(int id)
uint8 *pixels = image->getPixelData(); uint8 *pixels = image->getPixelData();
int writePos = 0; int writePos = 0;
int read = 0; int read = 0;
bool useAlpha = g_game.getFeature(Otc::GameSpritesAlphaChannel);
uint8 channels = useAlpha ? 4 : 3;
// decompress pixels // decompress pixels
while(read < pixelDataSize && writePos < SPRITE_DATA_SIZE) { while(read < pixelDataSize && writePos < SPRITE_DATA_SIZE) {
@ -171,11 +175,11 @@ ImagePtr SpriteManager::getSpriteImage(int id)
pixels[writePos + 0] = m_spritesFile->getU8(); pixels[writePos + 0] = m_spritesFile->getU8();
pixels[writePos + 1] = m_spritesFile->getU8(); pixels[writePos + 1] = m_spritesFile->getU8();
pixels[writePos + 2] = m_spritesFile->getU8(); pixels[writePos + 2] = m_spritesFile->getU8();
pixels[writePos + 3] = 0xFF; pixels[writePos + 3] = useAlpha ? m_spritesFile->getU8() : 0xFF;
writePos += 4; writePos += 4;
} }
read += 4 + (3 * coloredPixels); read += 4 + (channels * coloredPixels);
} }
// fill remaining pixels with alpha // fill remaining pixels with alpha

2
src/framework/graphics/image.cpp
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@ -110,7 +110,7 @@ void Image::blit(const Point& dest, const ImagePtr& other)
int y = p / other->getWidth(); int y = p / other->getWidth();
int pos = ((dest.y + y) * m_size.width() + (dest.x + x)) * 4; int pos = ((dest.y + y) * m_size.width() + (dest.x + x)) * 4;
if(otherPixels[p*4+3] == 0xFF) { if (otherPixels[p*4+3] != 0) {
m_pixels[pos+0] = otherPixels[p*4+0]; m_pixels[pos+0] = otherPixels[p*4+0];
m_pixels[pos+1] = otherPixels[p*4+1]; m_pixels[pos+1] = otherPixels[p*4+1];
m_pixels[pos+2] = otherPixels[p*4+2]; m_pixels[pos+2] = otherPixels[p*4+2];