Use SDL_RWops directly on top of PhysFS

This avoids the creation of a temporary buffer containing a complete
file for the sole purpose of wrapping it up in an SDL_RWops.

The necessary wrapper is by Ryan C. Gordon and is included in the
PhysFS repository under 'extras'.

Reviewed-by: Yohann Ferreira

Conflicts:

	mana.files
	src/CMakeLists.txt
	src/resources/resourcemanager.cpp
	src/resources/soundeffect.cpp

1 files changed, 2 insertions, 5 deletions

diff --git a/src/resources/image.cpp b/src/resources/image.cpp
index d94967631..9e9124ab6 100644
--- a/src/resources/image.cpp
+++ b/src/resources/image.cpp
@@ -119,10 +119,8 @@ Image::~Image()
     unload();
 }
 
-Resource *Image::load(void *buffer, unsigned bufferSize)
+Resource *Image::load(SDL_RWops *rw)
 {
-    // Load the raw file data from the buffer in an RWops structure
-    SDL_RWops *rw = SDL_RWFromMem(buffer, bufferSize);
     SDL_Surface *tmpImage = IMG_Load_RW(rw, 1);
 
     if (!tmpImage)
@@ -137,9 +135,8 @@ Resource *Image::load(void *buffer, unsigned bufferSize)
     return image;
 }
 
-Resource *Image::load(void *buffer, unsigned bufferSize, Dye const &dye)
+Resource *Image::load(SDL_RWops *rw, Dye const &dye)
 {
-    SDL_RWops *rw = SDL_RWFromMem(buffer, bufferSize);
     SDL_Surface *tmpImage = IMG_Load_RW(rw, 1);
 
     if (!tmpImage)