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From dhewm3: Add absolute mouse mode and refactor mouse grabbing code

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The only change really is adding SE_MOUSE_ABS to sysEventType_t.
In theory this breaks the ABI, but in practice I don't think mods use
sysEventType_t, and certainly not the ones above SE_MOUSE
(SE_JOYSTICK_AXIS doesn't make sense as Doom3 never supported Joysticks,
 SE_CONSOLE is for input from TTY or whatever, and doesn't make sense
 for mods to use in any way)

The change in Stub_SDL_endian.h is just me being paranoid.
(side-note: it *might* make sense to replace all that inline-asm in
 Stub_SDL_endian.h with compiler intrinsics like GCC/clangs
 __builtin_bswap* and MSVCs _byteswap_* - if they are supported in
 all relevant compiler versions. GCC supports 32 and 64 bit swaps since
 4.3, 16bit since 4.8 and 128bit since 11.x; clang supports 32 and
 64 bit swaps at least since 3.0 and 16bit swaps since 3.2;
 VS introduced _byteswap_ushort, .._ulong and .._uint64 in VS2003)
This commit is contained in:
Daniel Gibson 2022-05-17 02:33:39 +02:00
parent 3170652e11
commit a09487b720
2 changed files with 5 additions and 0 deletions
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4
sys/Stub_SDL_endian.h
View file

@ -34,6 +34,10 @@
#define SDL_LIL_ENDIAN 1234 #define SDL_LIL_ENDIAN 1234
#define SDL_BIG_ENDIAN 4321 #define SDL_BIG_ENDIAN 4321
#ifndef BUILD_IS_BIG_ENDIAN
#error BUILD_IS_BIG_ENDIAN should be defined!
#endif
#if BUILD_IS_BIG_ENDIAN // this is from config.h, set by cmake #if BUILD_IS_BIG_ENDIAN // this is from config.h, set by cmake
#define SDL_BYTEORDER SDL_BIG_ENDIAN #define SDL_BYTEORDER SDL_BIG_ENDIAN
#else #else

1
sys/sys_public.h
View file

@ -58,6 +58,7 @@ typedef enum {
SE_KEY, // evValue is a key code, evValue2 is the down flag SE_KEY, // evValue is a key code, evValue2 is the down flag
SE_CHAR, // evValue is an ascii char SE_CHAR, // evValue is an ascii char
SE_MOUSE, // evValue and evValue2 are reletive signed x / y moves SE_MOUSE, // evValue and evValue2 are reletive signed x / y moves
SE_MOUSE_ABS, // evValue and evValue2 are absolute x / y coordinates in the window
SE_JOYSTICK_AXIS, // evValue is an axis number and evValue2 is the current state (-127 to 127) SE_JOYSTICK_AXIS, // evValue is an axis number and evValue2 is the current state (-127 to 127)
SE_CONSOLE // evPtr is a char*, from typing something at a non-game console SE_CONSOLE // evPtr is a char*, from typing something at a non-game console
} sysEventType_t; } sysEventType_t;