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| author | Andrei Karas <akaras@inbox.ru> | 2011-07-17 16:50:57 +0300 |
|---|---|---|
| committer | Andrei Karas <akaras@inbox.ru> | 2011-07-17 16:50:57 +0300 |
| commit | e183a929a3653446a6545ca764e47c47f7b00e50 (patch) | |
| tree | 0c6002f48674dbeb6d6ce7a8db85cc39994f2770 /src | |
| parent | d0e6d477d245610288ab622ecf47426a9dcbc400 (diff) | |
| download | mv-e183a929a3653446a6545ca764e47c47f7b00e50.tar.gz mv-e183a929a3653446a6545ca764e47c47f7b00e50.tar.bz2 mv-e183a929a3653446a6545ca764e47c47f7b00e50.tar.xz mv-e183a929a3653446a6545ca764e47c47f7b00e50.zip | |
Improve map reduce speed.
Diffstat (limited to 'src')
| -rw-r--r-- | src/map.cpp | 14 | ||||
| -rw-r--r-- | src/resources/image.cpp | 4 | ||||
| -rw-r--r-- | src/resources/image.h | 19 |
3 files changed, 28 insertions, 9 deletions
diff --git a/src/map.cpp b/src/map.cpp index 66bdbd4bc..fa9d014df 100644 --- a/src/map.cpp +++ b/src/map.cpp @@ -1816,10 +1816,18 @@ void Map::reduce() Image *img = layer->mTiles[x + y * layer->mWidth]; if (img) { - img->setAlphaVisible(true); - if (img->mBounds.w > 32 || img->mBounds.h > 32) + if (img->hasAlphaChannel() && img->isAlphaCalculated()) + { + if (!img->isAlphaVisible()) + { + dontHaveAlpha = true; + img->setAlphaVisible(false); + } + } + else if (img->mBounds.w > 32 || img->mBounds.h > 32) { correct = false; + img->setAlphaVisible(true); break; } else if (!img->isHasAlphaChannel()) @@ -1832,6 +1840,7 @@ void Map::reduce() Uint8 *arr = img->SDLgetAlphaChannel(); if (!arr) continue; + bool bad(false); bool stop(false); int width; @@ -1868,6 +1877,7 @@ void Map::reduce() img->setAlphaVisible(true); } } + img->setAlphaCalculated(true); } } if (!correct || !dontHaveAlpha) diff --git a/src/resources/image.cpp b/src/resources/image.cpp index fdcf210c3..29e89d26e 100644 --- a/src/resources/image.cpp +++ b/src/resources/image.cpp @@ -54,7 +54,8 @@ Image::Image(SDL_Surface *image, bool hasAlphaChannel, Uint8 *alphaChannel): mHasAlphaChannel(hasAlphaChannel), mSDLSurface(image), mAlphaChannel(alphaChannel), - mIsAlphaVisible(hasAlphaChannel) + mIsAlphaVisible(hasAlphaChannel), + mIsAlphaCalculated(false) { #ifdef USE_OPENGL mGLImage = 0; @@ -90,6 +91,7 @@ Image::Image(GLuint glimage, int width, int height, mAlphaChannel(0), mUseAlphaCache(false), mIsAlphaVisible(true), + mIsAlphaCalculated(false), mGLImage(glimage), mTexWidth(texWidth), mTexHeight(texHeight) diff --git a/src/resources/image.h b/src/resources/image.h index c4b0cf540..718301f81 100644 --- a/src/resources/image.h +++ b/src/resources/image.h @@ -223,21 +223,27 @@ class Image : public Resource void setAlphaVisible(bool b) { mIsAlphaVisible = b; } + bool isAlphaCalculated() + { return mIsAlphaCalculated; } + + void setAlphaCalculated(bool b) + { mIsAlphaCalculated = b; } + SDL_Rect mBounds; protected: - // ----------------------- - // Generic protected members - // ----------------------- + // ----------------------- + // Generic protected members + // ----------------------- bool mLoaded; float mAlpha; bool mHasAlphaChannel; - // ----------------------- - // SDL protected members - // ----------------------- + // ----------------------- + // SDL protected members + // ----------------------- /** SDL Constructor */ Image(SDL_Surface *image, bool hasAlphaChannel = false, @@ -257,6 +263,7 @@ class Image : public Resource bool mUseAlphaCache; bool mIsAlphaVisible; + bool mIsAlphaCalculated; static bool mEnableAlphaCache; static bool mEnableAlpha; |