source: trunk/src/platform/sdl/sdlapp.cpp @ 2274

Last change on this file since 2274 was 2274, checked in by sam, 8 years ago

build: provide weak symbols for lol_sdl_main on Visual Studio.

  • Property svn:keywords set to Id
File size: 3.9 KB
Line 
1//
2// Lol Engine
3//
4// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
5//   This program is free software; you can redistribute it and/or
6//   modify it under the terms of the Do What The Fuck You Want To
7//   Public License, Version 2, as published by Sam Hocevar. See
8//   http://www.wtfpl.net/ for more details.
9//
10
11#if defined HAVE_CONFIG_H
12#   include "config.h"
13#endif
14
15/* This instructs our headers to let SDL override the "main"
16 * symbol using its macros. */
17#define LOL_DONT_DIVERT_MAIN 1
18
19#if defined USE_SDL
20#   if defined HAVE_SDL_SDL_H
21#      include <SDL/SDL.h>
22#   else
23#      include <SDL.h>
24#   endif
25#   if defined USE_D3D9
26#       include <d3d9.h>
27#       include <SDL_syswm.h>
28#   endif
29#endif
30
31#include "core.h"
32#include "lolgl.h"
33#include "platform/sdl/sdlapp.h"
34#include "platform/sdl/sdlinput.h"
35#if defined USE_XINPUT
36#   include "platform/d3d9/d3d9input.h"
37#endif
38
39#if defined USE_SDL && defined USE_D3D9
40HWND g_hwnd = NULL;
41extern IDirect3DDevice9 *g_d3ddevice;
42#endif
43
44#if defined main
45#   if defined _MSC_VER
46int lol_sdl_main();
47int lol_sdl_main(int argc, char **argv);
48int lol_sdl_main(int argc, char **argv, char **envp);
49#       define WRAPPER lol_sdl_main_msvc
50#   else
51int lol_sdl_main() __attribute__((weak));
52int lol_sdl_main(int argc, char **argv) __attribute__((weak));
53int lol_sdl_main(int argc, char **argv, char **envp) __attribute__((weak));
54#       define WRAPPER lol_sdl_main
55#   endif
56
57/* One of these wrappers will be overridden by the user's version */
58
59int WRAPPER() { return 0; }
60int WRAPPER(int argc, char **argv) { return 0; }
61int WRAPPER(int argc, char **argv, char **envp) { return 0; }
62
63int main(int argc, char *argv[])
64{
65    int ret = 0;
66    ret += lol_sdl_main();
67    ret += lol_sdl_main(argc, argv);
68    ret += lol_sdl_main(argc, argv, NULL);
69    return ret;
70}
71#endif
72
73namespace lol
74{
75
76/*
77 * SDL App implementation class
78 */
79
80class SdlAppData
81{
82    friend class SdlApp;
83
84private:
85    int unused;
86};
87
88/*
89 * Public SdlApp class
90 */
91
92SdlApp::SdlApp(char const *title, ivec2 res, float fps) :
93    data(new SdlAppData())
94{
95#if defined USE_SDL
96    /* Initialise SDL */
97    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0)
98    {
99        Log::Error("cannot initialise SDL: %s\n", SDL_GetError());
100        exit(EXIT_FAILURE);
101    }
102
103#   if defined USE_D3D9
104    SDL_Surface *video = SDL_SetVideoMode(res.x, res.y, 16, 0);
105    SDL_SysWMinfo wminfo;
106    SDL_VERSION(&wminfo.version);
107    SDL_GetWMInfo(&wminfo);
108    g_hwnd = wminfo.window;
109#   else
110    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
111    SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
112    SDL_Surface *video = SDL_SetVideoMode(res.x, res.y, 0, SDL_OPENGL);
113#   endif
114    if (!video)
115    {
116        Log::Error("cannot create rendering window: %s\n", SDL_GetError());
117        SDL_Quit();
118        exit(EXIT_FAILURE);
119    }
120
121    SDL_WM_SetCaption(title, NULL);
122
123    /* Initialise everything */
124    Ticker::Setup(fps);
125    Video::Setup(ivec2(video->w, video->h));
126    Audio::Setup(2);
127
128    /* Autoreleased objects */
129#   if defined USE_XINPUT
130    /* Prefer D3d9 for joysticks on Windows, because the X360 pads are not
131     * advertised with the proper number of axes. */
132    new D3d9Input();
133#   endif
134    new SdlInput();
135#endif
136}
137
138void SdlApp::ShowPointer(bool show)
139{
140#if defined USE_SDL
141    SDL_ShowCursor(show ? 1 : 0);
142#endif
143}
144
145void SdlApp::Tick()
146{
147#if defined USE_SDL && defined USE_D3D9
148    HRESULT hr;
149    hr = g_d3ddevice->BeginScene();
150    if (FAILED(hr))
151        Abort();
152#endif
153    /* Tick the renderer, show the frame and clamp to desired framerate. */
154    Ticker::TickDraw();
155#if defined USE_SDL
156#   if defined USE_D3D9
157    hr = g_d3ddevice->EndScene();
158    if (FAILED(hr))
159        Abort();
160    hr = g_d3ddevice->Present(NULL, NULL, NULL, NULL);
161    if (FAILED(hr))
162        Abort();
163#   else
164    SDL_GL_SwapBuffers();
165#   endif
166#endif
167}
168
169SdlApp::~SdlApp()
170{
171#if defined USE_SDL
172    SDL_Quit();
173#endif
174    delete data;
175}
176
177} /* namespace lol */
178
Note: See TracBrowser for help on using the repository browser.