From d6b9953c32b9abc2a96bb2e5b82d8801a1d12cef Mon Sep 17 00:00:00 2001 From: Vegard Storheil Eriksen Date: Sun, 13 Jun 2010 16:35:25 +0200 Subject: Added more stuff. --- SConscript | 8 ++ SDLMain.h | 11 ++ SDLMain.m | 384 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ shader.cpp | 93 ++++++++++++++ shader.h | 54 ++++++++ struct.h | 53 ++++++++ texture.cpp | 19 +++ texture.h | 14 +++ texturesdl.cpp | 23 ++++ texturesdl.h | 8 ++ 10 files changed, 667 insertions(+) create mode 100644 SConscript create mode 100644 SDLMain.h create mode 100644 SDLMain.m create mode 100644 shader.cpp create mode 100644 shader.h create mode 100644 struct.h create mode 100644 texture.cpp create mode 100644 texture.h create mode 100644 texturesdl.cpp create mode 100644 texturesdl.h diff --git a/SConscript b/SConscript new file mode 100644 index 0000000..1aa29b7 --- /dev/null +++ b/SConscript @@ -0,0 +1,8 @@ +Import('env') + +sources = Glob('*.cpp') + +if env['PLATFORM'] == 'darwin': + sources.append('SDLMain.m') + +env.Library('wriggle', sources) diff --git a/SDLMain.h b/SDLMain.h new file mode 100644 index 0000000..4683df5 --- /dev/null +++ b/SDLMain.h @@ -0,0 +1,11 @@ +/* SDLMain.m - main entry point for our Cocoa-ized SDL app + Initial Version: Darrell Walisser + Non-NIB-Code & other changes: Max Horn + + Feel free to customize this file to suit your needs +*/ + +#import + +@interface SDLMain : NSObject +@end diff --git a/SDLMain.m b/SDLMain.m new file mode 100644 index 0000000..122fcc8 --- /dev/null +++ b/SDLMain.m @@ -0,0 +1,384 @@ +/* SDLMain.m - main entry point for our Cocoa-ized SDL app + Initial Version: Darrell Walisser + Non-NIB-Code & other changes: Max Horn + + Feel free to customize this file to suit your needs +*/ + +#import +#import "SDLMain.h" +#import /* for MAXPATHLEN */ +#import + +/* For some reaon, Apple removed setAppleMenu from the headers in 10.4, + but the method still is there and works. To avoid warnings, we declare + it ourselves here. */ +@interface NSApplication(SDL_Missing_Methods) +- (void)setAppleMenu:(NSMenu *)menu; +@end + +/* Use this flag to determine whether we use SDLMain.nib or not */ +#define SDL_USE_NIB_FILE 0 + +/* Use this flag to determine whether we use CPS (docking) or not */ +#define SDL_USE_CPS 1 +#ifdef SDL_USE_CPS +/* Portions of CPS.h */ +typedef struct CPSProcessSerNum +{ + UInt32 lo; + UInt32 hi; +} CPSProcessSerNum; + +extern OSErr CPSGetCurrentProcess( CPSProcessSerNum *psn); +extern OSErr CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5); +extern OSErr CPSSetFrontProcess( CPSProcessSerNum *psn); + +#endif /* SDL_USE_CPS */ + +static int gArgc; +static char **gArgv; +static BOOL gFinderLaunch; +static BOOL gCalledAppMainline = FALSE; + +static NSString *getApplicationName(void) +{ + NSDictionary *dict; + NSString *appName = 0; + + /* Determine the application name */ + dict = (NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle()); + if (dict) + appName = [dict objectForKey: @"CFBundleName"]; + + if (![appName length]) + appName = [[NSProcessInfo processInfo] processName]; + + return appName; +} + +#if SDL_USE_NIB_FILE +/* A helper category for NSString */ +@interface NSString (ReplaceSubString) +- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString; +@end +#endif + +@interface SDLApplication : NSApplication +@end + +@implementation SDLApplication +/* Invoked from the Quit menu item */ +- (void)terminate:(id)sender +{ + /* Post a SDL_QUIT event */ + SDL_Event event; + event.type = SDL_QUIT; + SDL_PushEvent(&event); +} +@end + +/* The main class of the application, the application's delegate */ +@implementation SDLMain + +/* Set the working directory to the .app's parent directory */ +- (void) setupWorkingDirectory:(BOOL)shouldChdir +{ + if (shouldChdir) + { + char parentdir[MAXPATHLEN]; + CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle()); + CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url); + if (CFURLGetFileSystemRepresentation(url2, true, (UInt8 *)parentdir, MAXPATHLEN)) { + assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */ + } + CFRelease(url); + CFRelease(url2); + } + +} + +#if SDL_USE_NIB_FILE + +/* Fix menu to contain the real app name instead of "SDL App" */ +- (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName +{ + NSRange aRange; + NSEnumerator *enumerator; + NSMenuItem *menuItem; + + aRange = [[aMenu title] rangeOfString:@"SDL App"]; + if (aRange.length != 0) + [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]]; + + enumerator = [[aMenu itemArray] objectEnumerator]; + while ((menuItem = [enumerator nextObject])) + { + aRange = [[menuItem title] rangeOfString:@"SDL App"]; + if (aRange.length != 0) + [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]]; + if ([menuItem hasSubmenu]) + [self fixMenu:[menuItem submenu] withAppName:appName]; + } + [ aMenu sizeToFit ]; +} + +#else + +static void setApplicationMenu(void) +{ + /* warning: this code is very odd */ + NSMenu *appleMenu; + NSMenuItem *menuItem; + NSString *title; + NSString *appName; + + appName = getApplicationName(); + appleMenu = [[NSMenu alloc] initWithTitle:@""]; + + /* Add menu items */ + title = [@"About " stringByAppendingString:appName]; + [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""]; + + [appleMenu addItem:[NSMenuItem separatorItem]]; + + title = [@"Hide " stringByAppendingString:appName]; + [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"]; + + menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"]; + [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)]; + + [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""]; + + [appleMenu addItem:[NSMenuItem separatorItem]]; + + title = [@"Quit " stringByAppendingString:appName]; + [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"]; + + + /* Put menu into the menubar */ + menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""]; + [menuItem setSubmenu:appleMenu]; + [[NSApp mainMenu] addItem:menuItem]; + + /* Tell the application object that this is now the application menu */ + [NSApp setAppleMenu:appleMenu]; + + /* Finally give up our references to the objects */ + [appleMenu release]; + [menuItem release]; +} + +/* Create a window menu */ +static void setupWindowMenu(void) +{ + NSMenu *windowMenu; + NSMenuItem *windowMenuItem; + NSMenuItem *menuItem; + + windowMenu = [[NSMenu alloc] initWithTitle:@"Window"]; + + /* "Minimize" item */ + menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"]; + [windowMenu addItem:menuItem]; + [menuItem release]; + + /* Put menu into the menubar */ + windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""]; + [windowMenuItem setSubmenu:windowMenu]; + [[NSApp mainMenu] addItem:windowMenuItem]; + + /* Tell the application object that this is now the window menu */ + [NSApp setWindowsMenu:windowMenu]; + + /* Finally give up our references to the objects */ + [windowMenu release]; + [windowMenuItem release]; +} + +/* Replacement for NSApplicationMain */ +static void CustomApplicationMain (int argc, char **argv) +{ + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + SDLMain *sdlMain; + + /* Ensure the application object is initialised */ + [SDLApplication sharedApplication]; + +#ifdef SDL_USE_CPS + { + CPSProcessSerNum PSN; + /* Tell the dock about us */ + if (!CPSGetCurrentProcess(&PSN)) + if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103)) + if (!CPSSetFrontProcess(&PSN)) + [SDLApplication sharedApplication]; + } +#endif /* SDL_USE_CPS */ + + /* Set up the menubar */ + [NSApp setMainMenu:[[NSMenu alloc] init]]; + setApplicationMenu(); + setupWindowMenu(); + + /* Create SDLMain and make it the app delegate */ + sdlMain = [[SDLMain alloc] init]; + [NSApp setDelegate:sdlMain]; + + /* Start the main event loop */ + [NSApp run]; + + [sdlMain release]; + [pool release]; +} + +#endif + + +/* + * Catch document open requests...this lets us notice files when the app + * was launched by double-clicking a document, or when a document was + * dragged/dropped on the app's icon. You need to have a + * CFBundleDocumentsType section in your Info.plist to get this message, + * apparently. + * + * Files are added to gArgv, so to the app, they'll look like command line + * arguments. Previously, apps launched from the finder had nothing but + * an argv[0]. + * + * This message may be received multiple times to open several docs on launch. + * + * This message is ignored once the app's mainline has been called. + */ +- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename +{ + const char *temparg; + size_t arglen; + char *arg; + char **newargv; + + if (!gFinderLaunch) /* MacOS is passing command line args. */ + return FALSE; + + if (gCalledAppMainline) /* app has started, ignore this document. */ + return FALSE; + + temparg = [filename UTF8String]; + arglen = SDL_strlen(temparg) + 1; + arg = (char *) SDL_malloc(arglen); + if (arg == NULL) + return FALSE; + + newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2)); + if (newargv == NULL) + { + SDL_free(arg); + return FALSE; + } + gArgv = newargv; + + SDL_strlcpy(arg, temparg, arglen); + gArgv[gArgc++] = arg; + gArgv[gArgc] = NULL; + return TRUE; +} + + +/* Called when the internal event loop has just started running */ +- (void) applicationDidFinishLaunching: (NSNotification *) note +{ + int status; + + /* Set the working directory to the .app's parent directory */ + [self setupWorkingDirectory:gFinderLaunch]; + +#if SDL_USE_NIB_FILE + /* Set the main menu to contain the real app name instead of "SDL App" */ + [self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()]; +#endif + + /* Hand off to main application code */ + gCalledAppMainline = TRUE; + status = SDL_main (gArgc, gArgv); + + /* We're done, thank you for playing */ + exit(status); +} +@end + + +@implementation NSString (ReplaceSubString) + +- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString +{ + unsigned int bufferSize; + unsigned int selfLen = [self length]; + unsigned int aStringLen = [aString length]; + unichar *buffer; + NSRange localRange; + NSString *result; + + bufferSize = selfLen + aStringLen - aRange.length; + buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar)); + + /* Get first part into buffer */ + localRange.location = 0; + localRange.length = aRange.location; + [self getCharacters:buffer range:localRange]; + + /* Get middle part into buffer */ + localRange.location = 0; + localRange.length = aStringLen; + [aString getCharacters:(buffer+aRange.location) range:localRange]; + + /* Get last part into buffer */ + localRange.location = aRange.location + aRange.length; + localRange.length = selfLen - localRange.location; + [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange]; + + /* Build output string */ + result = [NSString stringWithCharacters:buffer length:bufferSize]; + + NSDeallocateMemoryPages(buffer, bufferSize); + + return result; +} + +@end + + + +#ifdef main +# undef main +#endif + + +/* Main entry point to executable - should *not* be SDL_main! */ +int main (int argc, char **argv) +{ + /* Copy the arguments into a global variable */ + /* This is passed if we are launched by double-clicking */ + if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) { + gArgv = (char **) SDL_malloc(sizeof (char *) * 2); + gArgv[0] = argv[0]; + gArgv[1] = NULL; + gArgc = 1; + gFinderLaunch = YES; + } else { + int i; + gArgc = argc; + gArgv = (char **) SDL_malloc(sizeof (char *) * (argc+1)); + for (i = 0; i <= argc; i++) + gArgv[i] = argv[i]; + gFinderLaunch = NO; + } + +#if SDL_USE_NIB_FILE + [SDLApplication poseAsClass:[NSApplication class]]; + NSApplicationMain (argc, argv); +#else + CustomApplicationMain (argc, argv); +#endif + return 0; +} + diff --git a/shader.cpp b/shader.cpp new file mode 100644 index 0000000..a0509ff --- /dev/null +++ b/shader.cpp @@ -0,0 +1,93 @@ +#include +#include + +#include + +#include "shader.h" + +static void gl_check_error(const char *msg) { + GLenum error = glGetError(); + if(error != GL_NO_ERROR) { + throw(std::runtime_error((boost::format("%s:\n%s") % msg % gluErrorString(error)).str())); + } +} + +void GLBaseShader::shader_source(const char *filename) { + std::ifstream inf(filename, std::ios_base::in); + if(!inf.is_open()) { + throw(std::runtime_error((boost::format("Failed to load shader from file %s") % filename).str())); + } + inf.seekg(0, std::ios_base::end); + int length = inf.tellg(); + inf.seekg(0, std::ios_base::beg); + char *buffer = new char[length]; + inf.read(buffer, length); + inf.close(); + + glShaderSource(shader, 1, (const GLchar**)&buffer, &length); + gl_check_error("Failed to set shader source"); + delete[] buffer; + glCompileShader(shader); + int p; + glGetShaderiv(shader, GL_COMPILE_STATUS, &p); + if(p == 0) { + char log[0xffff]; + int size; + glGetShaderInfoLog(shader, 0xffff, &size, (GLchar*)&log); + throw(std::runtime_error((boost::format("Failed to compile shader:\n%s") % log).str())); + } +} + +void GLBaseShader::shader_source(std::string& filename) { + shader_source(filename.c_str()); +} + +GLBaseShader::GLBaseShader(GLenum type) { + shader = glCreateShader(type); +} + +GLBaseShader::~GLBaseShader() { + glDeleteShader(shader); +} + +/** + * GLShaderProgram + */ +GLShaderProgram::GLShaderProgram() { + program = glCreateProgram(); +} + +GLShaderProgram::~GLShaderProgram() { + glDeleteProgram(program); +} + +void GLShaderProgram::attach(GLBaseShader& shader) { + glAttachShader(program, shader.shader); + + gl_check_error("Failed to attach shader to program"); +} + +void GLShaderProgram::detach(GLBaseShader& shader) { + glDetachShader(program, shader.shader); + + gl_check_error("Failed to detach shader from program"); +} + +void GLShaderProgram::link() { + glLinkProgram(program); + + int p; + glGetProgramiv(program, GL_LINK_STATUS, &p); + if(p == 0) { + char log[0xffff]; + int size; + glGetProgramInfoLog(program, 0xffff, &size, (GLchar*)&log); + throw(std::runtime_error((boost::format("Failed to link program:\n%s") % log).str())); + } +} + +void GLShaderProgram::use() { + glUseProgram(program); + + gl_check_error("Failed to use program"); +} diff --git a/shader.h b/shader.h new file mode 100644 index 0000000..d4ad263 --- /dev/null +++ b/shader.h @@ -0,0 +1,54 @@ +#ifndef _SHADER_H_ +#define _SHADER_H_ + +#include +#include +#define GL_GLEXT_PROTOTYPES +#ifndef __APPLE__ +#include +#include +#else +#include +#include +#endif + +class GLBaseShader { + friend class GLShaderProgram; + + protected: + void shader_source(const char *filename); + void shader_source(std::string& filename); + unsigned int shader; + public: + GLBaseShader(GLenum); + ~GLBaseShader(); +}; + +class GLVertexShader : public GLBaseShader { + public: + GLVertexShader() : GLBaseShader(GL_VERTEX_SHADER) {}; + GLVertexShader(const char *s) : GLBaseShader(GL_VERTEX_SHADER) { shader_source(s); }; + GLVertexShader(std::string& s) : GLBaseShader(GL_VERTEX_SHADER) { shader_source(s); }; +}; + +class GLFragmentShader : public GLBaseShader { + public: + GLFragmentShader() : GLBaseShader(GL_FRAGMENT_SHADER) {}; + GLFragmentShader(const char *s) : GLBaseShader(GL_FRAGMENT_SHADER) { shader_source(s); }; + GLFragmentShader(std::string& s) : GLBaseShader(GL_FRAGMENT_SHADER) { shader_source(s); }; +}; + +class GLShaderProgram { + protected: + unsigned int program; + public: + GLShaderProgram(); + ~GLShaderProgram(); + + void attach(GLBaseShader&); + void detach(GLBaseShader&); + void link(); + void use(); +}; + +#endif diff --git a/struct.h b/struct.h new file mode 100644 index 0000000..d08e66d --- /dev/null +++ b/struct.h @@ -0,0 +1,53 @@ +#ifndef STRUCT_H +#define STRUCT_H + +template +struct Struct { + A a; + B b; + C c; + D d; + E e; + F f; +}; + +template +struct Struct { + A a; + B b; + C c; + D d; + E e; +}; + +template +struct Struct { + A a; + B b; + C c; + D d; +}; + +template +struct Struct { + A a; + B b; + C c; +}; + +template +struct Struct { + A a; + B b; +}; + +template +struct Struct { + A a; +}; + +template<> +struct Struct { +}; + +#endif diff --git a/texture.cpp b/texture.cpp new file mode 100644 index 0000000..c3575f2 --- /dev/null +++ b/texture.cpp @@ -0,0 +1,19 @@ +#include +#include +#include "texture.h" +#include + +unsigned int Texture::tex() { + return texture; +} + +void Texture::build() { + if(!data) { + throw(std::runtime_error("No texture data")); + } + glGenTextures(1, &texture); + glBindTexture(GL_TEXTURE_2D, texture); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + gluBuild2DMipmaps(GL_TEXTURE_2D, 4, width, height, format, GL_UNSIGNED_BYTE, data); +} diff --git a/texture.h b/texture.h new file mode 100644 index 0000000..c88104f --- /dev/null +++ b/texture.h @@ -0,0 +1,14 @@ +#ifndef _TEXTURE_H_ +#define _TEXTURE_H_ +class Texture { + public: + unsigned int tex(); + protected: + void build(); + unsigned char* data; + unsigned int width; + unsigned int height; + unsigned int format; + unsigned int texture; +}; +#endif // _TEXTURE_H_ diff --git a/texturesdl.cpp b/texturesdl.cpp new file mode 100644 index 0000000..bab760b --- /dev/null +++ b/texturesdl.cpp @@ -0,0 +1,23 @@ +#include +#include +#include +#include "texturesdl.h" + +TextureSDL::TextureSDL(const char* filename) { + SDL_Surface* image = IMG_Load(filename); + + width = image->w; + height = image->h; + + if(image->format->BytesPerPixel == 4) { + format = image->format->Bshift ? GL_RGBA : GL_BGRA; + } else { + format = image->format->Bshift ? GL_RGB : GL_BGR; + } + + data = (unsigned char*)image->pixels; + + build(); + + SDL_FreeSurface(image); +} diff --git a/texturesdl.h b/texturesdl.h new file mode 100644 index 0000000..6b2eff2 --- /dev/null +++ b/texturesdl.h @@ -0,0 +1,8 @@ +#ifndef _TEXTURESDL_H_ +#define _TEXTURESDL_H_ +#include "texture.h" +class TextureSDL : public Texture { + public: + TextureSDL(const char* filename); +}; +#endif // _TEXTURESDL_H_ -- cgit v1.2.3