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World engine for retrocomputers.
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platform.h
Go to the documentation of this file.
1
2#ifndef PLATFORM_H
3#define PLATFORM_H
4
10#if defined( PLATFORM_WIN16 ) || defined( PLATFORM_WIN32 ) || defined( PLATFORM_WINCE )
11# define PLATFORM_WIN
12#endif /* PLATFORM_WIN16 || PLATFORM_WIN32 || PLATFORM_WINCE */
13
14#if defined( PLATFORM_SDL1 ) || defined( PLATFORM_SDL2 )
15# define PLATFORM_SDL
16#endif /* PLATFORM_SDL1 || PLATFORM_SDL2 */
17
18#if defined( DEPTH_VGA )
19# define DEPTH_SPEC "16x16x16"
20#elif defined( DEPTH_CGA )
21# define DEPTH_SPEC "16x16x4"
22#elif defined( DEPTH_MONO )
23# define DEPTH_SPEC "16x16x2"
24#else
25# error "No depth spec defined!"
26#endif /* DEPTH_VGA || DEPTH_CGA || DEPTH_MONO */
27
28struct GRAPHICS_ARGS;
29
31typedef int (*loop_iter)( void* );
32
33#ifdef MAIN_C
34#define loop_globals() uint8_t g_running = 1; loop_iter g_loop_iter = NULL; void* g_loop_data = NULL;
35#else
37#define loop_globals() extern uint8_t g_running; extern loop_iter g_loop_iter; extern void* g_loop_data;
38#endif /* MAIN_C */
39
40/* Allow overriding which memory system is used with a define. */
41#if defined( MEMORY_FAKE )
42# define include_memory( default_h ) "memory/fakem.h"
43#elif defined( MEMORY_WIN )
44# define include_memory( default_h ) "memory/winm.h"
45#else
46# define include_memory( default_h ) default_h
47#endif
48
49#ifdef PLATFORM_DOS
50
51# ifndef SCREEN_W
52# define SCREEN_W 320
53# endif /* !SCREEN_W */
54
55# ifndef SCREEN_H
56# define SCREEN_H 200
57# endif /* !SCREEN_H */
58
59# ifdef DEPTH_VGA
60# define RESOURCE_EXT_GRAPHICS "vga"
61# else
62# define RESOURCE_EXT_GRAPHICS "cga"
63# endif
64
65# define PLATFORM_DIR_SEP '\\'
66# define LOG_FILE_NAME "logdos.txt"
67# include <mtypes.h>
68loop_globals();
69# include "memory/dosm.h"
70# include "resinc.h"
71# include "input/dosi.h"
72# include "graphics/dosg.h"
73
74#elif defined( PLATFORM_SDL )
75
76# ifndef SCREEN_W
77# define SCREEN_W 160
78# endif /* !SCREEN_W */
79
80# ifndef SCREEN_H
81# define SCREEN_H 160
82# endif /* !SCREEN_H */
83
84# ifdef PLATFORM_SDL1
85 /* SDL1 doesn't have SDL2's primative routines. */
86# define USE_SOFTWARE_LINES
87# endif /* PLATFORM_SDL1 */
88
89# include <mtypes.h>
90loop_globals();
91# include "memory/fakem.h"
92# include "resinc.h"
93# include "input/sdli.h"
94# include "graphics/sdlg.h"
95
96# ifdef PLATFORM_WASM
97
98#include <emscripten.h>
99
100#define unilayer_loop_set( iter, data ) emscripten_cancel_main_loop(); emscripten_set_main_loop_arg( iter, data, 0, 0 );
101
102# endif /* PLATFORM_WASM */
103
104#elif defined( PLATFORM_XLIB )
105
106# ifndef SCREEN_W
107# define SCREEN_W 320
108# endif /* !SCREEN_W */
109
110# ifndef SCREEN_H
111# define SCREEN_H 200
112# endif /* !SCREEN_H */
113
114# include <X11/Xlib.h>
115# include <mtypes.h>
116loop_globals();
117# include "memory/fakem.h"
118# include "resinc.h"
119# include "input/xi.h"
120# include "graphics/xg.h"
121
122#elif defined( PLATFORM_CURSES )
123
124# ifndef SCREEN_W
125# define SCREEN_W 80
126# endif /* !SCREEN_W */
127
128# ifndef SCREEN_H
129# define SCREEN_H 25
130# endif /* !SCREEN_H */
131
132# define SCREEN_MAP_W (10)
133# define SCREEN_MAP_H (8)
134# define TILE_W 1
135# define TILE_H 1
136# define SPRITE_W 1
137# define SPRITE_H 1
138# define WINDOW_PATTERN_W 1
139# define WINDOW_PATTERN_H 1
140# define STATUS_WINDOW_H 2
141# define WINDOW_PADDING_INSIDE 0
142# define WINDOW_PADDING_OUTSIDE 1
143
144# define GFX_ASCII
145
146# define graphics_blit_sprite_at( ascii, s_x, s_y, d_x, d_y, w, h ) graphics_curses_char_at( ascii, d_x, d_y )
147# define graphics_blit_tile_at( ascii, s_x, s_y, d_x, d_y, w, h ) graphics_curses_char_at( ascii, d_x, d_y )
148
149# define LOG_TO_FILE
150# define LOG_FILE_NAME "logcurs.txt"
151# include <X11/Xlib.h>
152# include <mtypes.h>
153loop_globals();
154# include "memory/fakem.h"
155# include "resinc.h"
156# include "input/cursesi.h"
157# include "graphics/cursesg.h"
158
159#elif defined( PLATFORM_PALM )
160
161# ifndef SCREEN_W
162# define SCREEN_W 160
163# endif /* !SCREEN_W */
164
165# ifndef SCREEN_H
166# define SCREEN_H 160
167# endif /* !SCREEN_H */
168
169# define USE_SOFT_ASSERT
170# define DISABLE_FILESYSTEM
171# define LOG_FILE_NAME "logpalm.txt"
172# define CODE_SECTION( name ) __attribute__( (section( name )) )
173# include <PalmOS.h>
174# define platform_file HostFILE*
175# define platform_fprintf HostFPrintF
176# define platform_fopen HostFOpen
177# define platform_fflush HostFFlush
178# define platform_fclose HostFClose
179# define after_unilayer_main() UInt32 PilotMain( UInt16 cmd, MemPtr cmdPBP, UInt16 launchFlags ) { if( sysAppLaunchCmdNormalLaunch == cmd ) { return unilayer_main( 0, NULL ); } }
180# include <mtypes.h>
181loop_globals();
182# include "memory/palmm.h"
183# include "resinc.h"
184# include "input/palmi.h"
185# include "graphics/palmg.h"
186
187#elif defined( PLATFORM_WIN )
188
189# ifndef SCREEN_W
190# define SCREEN_W 160
191# endif /* !SCREEN_W */
192
193# ifndef SCREEN_H
194# define SCREEN_H 160
195# endif /* !SCREEN_H */
196
197# ifndef SCREEN_SCALE
198# define SCREEN_SCALE 2
199# endif /* !SCREEN_SCALE */
200
201# ifdef PLATFORM_WIN16
202# define LOG_FILE_NAME "logwin16.txt"
203# define PLATFORM_API PASCAL
204# elif defined( PLATFORM_WINCE )
205# define LOG_FILE_NAME "logwince.txt"
206# define PLATFORM_API WINAPI
207# elif defined( PLATFORM_WIN32 )
208# define LOG_FILE_NAME "logwin32.txt"
209# define PLATFORM_API WINAPI
210# endif /* PLATFORM_WIN16, PLATFORM_WIN32 */
211# include <windows.h>
212# include <mtypes.h>
213/* TODO: Why aren't these being defined? */
214# ifdef __argc
215# define PLATFORM_ARGS __argc, __argv
216# else
217# define PLATFORM_ARGS 0, NULL
218# endif /* __argc */
219# define after_unilayer_main() \
220 extern HWND g_window; \
221 extern int __argc; \
222 extern char** __argv; \
223 extern HINSTANCE g_instance; \
224 int PLATFORM_API WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow ) { \
225 g_graphics_args.cmd_show = nCmdShow; \
226 g_instance = hInstance; \
227 if( hPrevInstance ) { \
228 error_printf( "previous instance detected" ); \
229 return 1; \
230 } \
231 return unilayer_main( __argc, __argv ); \
232 }
233# define unilayer_loop_iter() win_process_messages()
234# define platform_init( icon ) g_graphics_args.icon_res = icon;
235loop_globals();
236# include include_memory( "memory/winm.h" )
237# include "resinc.h"
238# include "input/wini.h"
239# include "graphics/wing.h"
240
241#ifdef MAIN_C
242#endif /* MAIN_C */
243
244#elif defined( PLATFORM_MAC6 )
245
246# ifndef SCREEN_W
247# define SCREEN_W 160
248# endif /* !SCREEN_W */
249
250# ifndef SCREEN_H
251# define SCREEN_H 160
252# endif /* !SCREEN_H */
253
254# define DISABLE_MAIN_PARMS
255# define NEWLINE_STR "\r"
256# define LOG_FILE_NAME "logmac.txt"
257# include <Multiverse.h>
258# include <Quickdraw.h>
259# include <mtypes.h>
260loop_globals();
261# include "memory/mac6m.h"
262# include "resinc.h"
263# include "input/mac6i.h"
264# include "graphics/mac6g.h"
265
266#elif defined( PLATFORM_NDS )
267
268# ifndef SCREEN_W
269# define SCREEN_W 256
270# endif /* !SCREEN_W */
271
272# ifndef SCREEN_H
273# define SCREEN_H 192
274# endif /* !SCREEN_H */
275
276# ifndef LOG_TO_FILE
277# define LOG_TO_FILE
278# endif /* !LOG_TO_FILE */
279# define LOG_FILE_NAME "lognds.txt"
280# include <nds.h>
281# include <mtypes.h>
282loop_globals();
283# include "memory/fakem.h"
284# include "resinc.h"
285# include "input/ndsi.h"
286# include "graphics/ndsg.h"
287
288#else
289
290# include <mtypes.h>
291loop_globals();
292# include "memory/fakem.h"
293# include "resinc.h"
294# include "input/nulli.h"
295# include "graphics/nullg.h"
296
297#endif
298
299#ifndef RESOURCE_EXT_GRAPHICS
300# define RESOURCE_EXT_GRAPHICS "bmp"
301#endif /* !RESOURCE_EXT_GRAPHICS */
302
303#ifndef NEWLINE_STR
305# define NEWLINE_STR "\n"
306#endif /* !NEWLINE_STR */
307
308#ifndef PLATFORM_DIR_SEP
309#define PLATFORM_DIR_SEP '/'
310#endif /* !PLATFORM_DIR_SEP */
311
312#if !defined( after_unilayer_main )
315# define after_unilayer_main() int main( int argc, char* argv[] ) { return unilayer_main( argc, argv ); }
316#endif /* !unilayer_main() */
317
318#ifndef unilayer_loop_iter
320#define unilayer_loop_iter() g_running = g_loop_iter( g_loop_data )
321#endif /* !unilayer_loop_iter() */
322
323#ifndef unilayer_loop_set
329#define unilayer_loop_set( iter, data ) g_loop_iter = (loop_iter)iter; g_loop_data = (void*)data;
330#endif /* !unilayer_loop_set */
331
332#ifndef platform_init
334#define platform_init( icon )
335#endif /* !platform_init() */
336
337#ifndef platform_shutdown
339#define platform_shutdown()
340#endif /* !platform_shutdown */
341
342#ifndef CODE_SECTION
344#define CODE_SECTION
345#endif
346
347#endif /* !PLATFORM_H */
348
fakem.h
Platform-overridden typedefs and macros for handling memory.
nullg.h
Platform-overridden typedefs and macros for drawing graphics.
loop_iter
int(* loop_iter)(void *)
Implementation-specific main loop iteration function.
Definition: platform.h:31
loop_globals
#define loop_globals()
Declare the globals that hold the main loop pointer and args.
Definition: platform.h:37
resinc.h
Determines which resource-loading system to use at compile.
GRAPHICS_ARGS
Platform-overridden struct supporting graphics engine.
Definition: nullg.h:51
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