move common exceptions to app/error

[blank.git] / src / app / init.cpp

diff --git a/src/app/init.cpp b/src/app/init.cpp
index 18816a424bdb3a972341311d72a9cda19fa19ac6..dfadffe16f0c1591dc76810a47c7dfbeae3c6463 100644 (file)
--- a/src/app/init.cpp
+++ b/src/app/init.cpp
@@ -4,65 +4,35 @@
 #include <alut.h>
 #include <SDL.h>
 #include <SDL_image.h>
+#include <SDL_net.h>
 #include <SDL_ttf.h>
+#include <string>
 #include <GL/glew.h>
 
 
-namespace {
-
-std::string sdl_error_append(std::string msg) {
-       const char *error = SDL_GetError();
-       if (*error != '\0') {
-               msg += ": ";
-               msg += error;
-               SDL_ClearError();
-       }
-       return msg;
-}
-
-std::string alut_error_append(ALenum num, std::string msg) {
-       const char *error = alutGetErrorString(num);
-       if (*error != '\0') {
-               msg += ": ";
-               msg += error;
-       }
-       return msg;
-}
-
-}
-
 namespace blank {
 
-AlutError::AlutError(ALenum num)
-: std::runtime_error(alutGetErrorString(num)) {
-
-}
-
-AlutError::AlutError(ALenum num, const std::string &msg)
-: std::runtime_error(alut_error_append(num, msg)) {
-
-}
-
-
-SDLError::SDLError()
-: std::runtime_error(SDL_GetError()) {
-
+InitSDL::InitSDL() {
+       if (SDL_Init(SDL_INIT_EVENTS) != 0) {
+               throw SDLError("SDL_Init(SDL_INIT_EVENTS)");
+       }
 }
 
-SDLError::SDLError(const std::string &msg)
-: std::runtime_error(sdl_error_append(msg)) {
-
+InitSDL::~InitSDL() {
+       SDL_Quit();
 }
 
 
-InitSDL::InitSDL() {
-       if (SDL_Init(SDL_INIT_VIDEO) != 0) {
-               throw SDLError("SDL_Init(SDL_INIT_VIDEO)");
+InitVideo::InitVideo() {
+       if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
+               throw SDLError("SDL_InitSubSystem(SDL_INIT_VIDEO)");
        }
+       // SDL seems to start out in text input state
+       SDL_StopTextInput();
 }
 
-InitSDL::~InitSDL() {
-       SDL_Quit();
+InitVideo::~InitVideo() {
+       SDL_QuitSubSystem(SDL_INIT_VIDEO);
 }
 
 
@@ -77,6 +47,17 @@ InitIMG::~InitIMG() {
 }
 
 
+InitNet::InitNet() {
+       if (SDLNet_Init() != 0) {
+               throw SDLError("SDLNet_Init()");
+       }
+}
+
+InitNet::~InitNet() {
+       SDLNet_Quit();
+}
+
+
 InitTTF::InitTTF() {
        if (TTF_Init() != 0) {
                throw SDLError("TTF_Init()");
@@ -94,7 +75,7 @@ InitAL::InitAL() {
        }
 }
 
-InitAL::~InitAL() {
+InitAL::~InitAL() throw(AlutError) {
        if (!alutExit()) {
                throw AlutError(alutGetError(), "alutExit");
        }
@@ -112,9 +93,9 @@ InitGL::InitGL(bool double_buffer, int sample_size) {
                throw SDLError("SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE)");
        }
 
-       if (double_buffer) {
-               if (SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1) != 0) {
-                       throw SDLError("SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1)");
+       if (!double_buffer) {
+               if (SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0) != 0) {
+                       throw SDLError("SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0)");
                }
        }
 
@@ -198,8 +179,14 @@ InitGLEW::InitGLEW() {
 }
 
 
-Init::Init(bool double_buffer, int sample_size)
+InitHeadless::InitHeadless()
 : init_sdl()
+, init_net() {
+
+}
+
+Init::Init(bool double_buffer, int sample_size)
+: init_video()
 , init_img()
 , init_ttf()
 , init_gl(double_buffer, sample_size)