141 lines
3.5 KiB
C++
141 lines
3.5 KiB
C++
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#include "doomlib.hpp"
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#include "dp_doom/linuxdoom-1.10/doomdef.h"
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// Taken from ib_video_sdl.c
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static int xlatekey(SDL_Keycode keysym)
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{
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int rc;
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switch(rc = keysym)
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{
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case SDLK_LEFT: rc = KEY_LEFTARROW; break;
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case SDLK_RIGHT: rc = KEY_RIGHTARROW; break;
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case SDLK_DOWN: rc = KEY_DOWNARROW; break;
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case SDLK_UP: rc = KEY_UPARROW; break;
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case SDLK_ESCAPE: rc = KEY_ESCAPE; break;
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case SDLK_RETURN: rc = KEY_ENTER; break;
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case SDLK_TAB: rc = KEY_TAB; break;
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case SDLK_F1: rc = KEY_F1; break;
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case SDLK_F2: rc = KEY_F2; break;
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case SDLK_F3: rc = KEY_F3; break;
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case SDLK_F4: rc = KEY_F4; break;
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case SDLK_F5: rc = KEY_F5; break;
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case SDLK_F6: rc = KEY_F6; break;
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case SDLK_F7: rc = KEY_F7; break;
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case SDLK_F8: rc = KEY_F8; break;
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case SDLK_F9: rc = KEY_F9; break;
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case SDLK_F10: rc = KEY_F10; break;
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case SDLK_F11: rc = KEY_F11; break;
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case SDLK_F12: rc = KEY_F12; break;
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case SDLK_BACKSPACE:
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case SDLK_DELETE: rc = KEY_BACKSPACE; break;
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case SDLK_PAUSE: rc = KEY_PAUSE; break;
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case SDLK_KP_EQUALS:
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case SDLK_EQUALS: rc = KEY_EQUALS; break;
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case SDLK_KP_MINUS:
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case SDLK_MINUS: rc = KEY_MINUS; break;
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case SDLK_LSHIFT:
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case SDLK_RSHIFT:
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rc = KEY_RSHIFT;
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break;
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case SDLK_LCTRL:
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case SDLK_RCTRL:
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rc = KEY_RCTRL;
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break;
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case SDLK_LALT:
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case SDLK_RALT:
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#if SDL_MAJOR_VERSION >= 2
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case SDLK_LGUI:
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case SDLK_RGUI:
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#else
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case SDLK_LMETA:
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case SDLK_RMETA:
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#endif
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rc = KEY_RALT;
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break;
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default:
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if (rc >= SDLK_SPACE && rc <= SDLK_BACKQUOTE)
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rc = rc - SDLK_SPACE + ' ';
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else if (rc >= 'A' && rc <= 'Z')
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rc = rc - 'A' + 'a';
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break;
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}
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return rc;
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}
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// Similar to IB_StartTic from ib_video_sdl.c
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std::optional<dp_doom_event_t> doomevent_from_sdlevent(const SDL_Event &sdl_event)
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{
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dp_doom_event_t event;
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static int button_state;
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switch (sdl_event.type)
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{
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case SDL_KEYDOWN:
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event.type = DP_ev_keydown;
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event.data1 = xlatekey(sdl_event.key.keysym.sym);
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return event;
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case SDL_KEYUP:
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event.type = DP_ev_keyup;
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event.data1 = xlatekey(sdl_event.key.keysym.sym);
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return event;
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case SDL_MOUSEBUTTONDOWN:
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switch (sdl_event.button.button)
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{
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case SDL_BUTTON_LEFT:
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button_state |= 1;
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break;
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case SDL_BUTTON_MIDDLE:
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button_state |= 2;
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break;
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case SDL_BUTTON_RIGHT:
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button_state |= 4;
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break;
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}
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event.type = DP_ev_mouse;
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event.data1 = button_state;
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event.data2 = event.data3 = 0;
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return event;
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case SDL_MOUSEBUTTONUP:
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switch (sdl_event.button.button)
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{
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case SDL_BUTTON_LEFT:
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button_state &= ~1;
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break;
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case SDL_BUTTON_MIDDLE:
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button_state &= ~2;
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break;
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case SDL_BUTTON_RIGHT:
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button_state &= ~4;
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break;
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}
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event.type = DP_ev_mouse;
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event.data1 = button_state;
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event.data2 = event.data3 = 0;
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return event;
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case SDL_MOUSEMOTION:
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event.type = DP_ev_mouse;
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event.data1 = button_state;
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event.data2 = sdl_event.motion.xrel * (1 << 5);
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event.data3 = -sdl_event.motion.yrel * (1 << 5);
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if (event.data2 || event.data3)
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return event;
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}
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return {};
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}
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