vrmiguel
/
sm64pc
mirror of https://github.com/sm64pc/sm64pc.git
1
0
Fork 0
Code Issues Releases Wiki Activity
sm64pc/src/pc/gfx/gfx_sdl1.c

287 lines
10 KiB
C
Raw Blame History

#ifdef WAPI_SDL1
#ifdef __MINGW32__
#define FOR_WINDOWS 1
#else
#define FOR_WINDOWS 0
#endif
#include <SDL/SDL.h>
#include <stdio.h>
#include <unistd.h>
#include "gfx_window_manager_api.h"
#include "gfx_screen_config.h"
#include "../pc_main.h"
#include "../configfile.h"
#include "../cliopts.h"
#include "../platform.h"
#include "src/pc/controller/controller_keyboard.h"
// TODO: figure out if this shit even works
#ifdef VERSION_EU
# define FRAMERATE 25
#else
# define FRAMERATE 30
#endif
bool focus_Lost = FALSE;
static int inverted_scancode_table[512];
static kb_callback_t kb_key_down = NULL;
static kb_callback_t kb_key_up = NULL;
static void (*kb_all_keys_up)(void) = NULL;
// time between consequtive game frames
static const int frame_time = 1000 / FRAMERATE;
static int desktop_w = 640;
static int desktop_h = 480;
static int desktop_bpp = 24;
static int window_w = 0;
static int window_h = 0;
const SDLKey windows_scancode_table[] = {
/* 0 1 2 3 4 5 6 7 */
/* 8 9 A B C D E F */
SDLK_UNKNOWN, SDLK_ESCAPE, SDLK_1, SDLK_2, SDLK_3, SDLK_4, SDLK_5, SDLK_6, /* 0 */
SDLK_7, SDLK_8, SDLK_9, SDLK_0, SDLK_MINUS, SDLK_EQUALS, SDLK_BACKSPACE, SDLK_TAB, /* 0 */
SDLK_q, SDLK_w, SDLK_e, SDLK_r, SDLK_t, SDLK_y, SDLK_u, SDLK_i, /* 1 */
SDLK_o, SDLK_p, SDLK_LEFTBRACKET, SDLK_RIGHTBRACKET, SDLK_RETURN, SDLK_LCTRL, SDLK_a, SDLK_s, /* 1 */
SDLK_d, SDLK_f, SDLK_g, SDLK_h, SDLK_j, SDLK_k, SDLK_l, SDLK_SEMICOLON, /* 2 */
SDLK_UNKNOWN, SDLK_BACKQUOTE, SDLK_LSHIFT, SDLK_BACKSLASH, SDLK_z, SDLK_x, SDLK_c, SDLK_v, /* 2 */
SDLK_b, SDLK_n, SDLK_m, SDLK_COMMA, SDLK_PERIOD, SDLK_SLASH, SDLK_RSHIFT, SDLK_PRINT, /* 3 */
SDLK_LALT, SDLK_SPACE, SDLK_CAPSLOCK, SDLK_F1, SDLK_F2, SDLK_F3, SDLK_F4, SDLK_F5, /* 3 */
SDLK_F6, SDLK_F7, SDLK_F8, SDLK_F9, SDLK_F10, SDLK_NUMLOCK, SDLK_SCROLLOCK, SDLK_HOME, /* 4 */
SDLK_UP, SDLK_PAGEUP, SDLK_KP_MINUS, SDLK_LEFT, SDLK_KP5, SDLK_RIGHT, SDLK_KP_PLUS, SDLK_END, /* 4 */
SDLK_DOWN, SDLK_PAGEDOWN, SDLK_INSERT, SDLK_DELETE, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_F11, /* 5 */
SDLK_F12, SDLK_PAUSE, SDLK_UNKNOWN, SDLK_LSUPER, SDLK_RSUPER, SDLK_MODE, SDLK_UNKNOWN, SDLK_UNKNOWN, /* 5 */
SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_F13, SDLK_F14, SDLK_F15, SDLK_UNKNOWN, /* 6 */
SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, /* 6 */
SDLK_WORLD_2, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_WORLD_1, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, SDLK_UNKNOWN, /* 7 */
SDLK_UNKNOWN, SDLK_WORLD_4, SDLK_UNKNOWN, SDLK_WORLD_5, SDLK_UNKNOWN, SDLK_WORLD_3, SDLK_UNKNOWN, SDLK_UNKNOWN /* 7 */
};
const SDLKey scancode_rmapping_extended[][2] = {
{ SDLK_KP_ENTER, SDLK_RETURN },
{ SDLK_RALT, SDLK_LALT },
{ SDLK_RCTRL, SDLK_LCTRL },
{ SDLK_KP_DIVIDE, SDLK_SLASH },
//{ SDLK_KPPLUS, SDLK_CAPSLOCK }
};
const SDLKey scancode_rmapping_nonextended[][2] = {
{ SDLK_KP7, SDLK_HOME },
{ SDLK_KP8, SDLK_UP },
{ SDLK_KP9, SDLK_PAGEUP },
{ SDLK_KP4, SDLK_LEFT },
{ SDLK_KP6, SDLK_RIGHT },
{ SDLK_KP1, SDLK_END },
{ SDLK_KP2, SDLK_DOWN },
{ SDLK_KP3, SDLK_PAGEDOWN },
{ SDLK_KP0, SDLK_INSERT },
{ SDLK_KP_PERIOD, SDLK_DELETE },
{ SDLK_KP_MULTIPLY, SDLK_PRINT }
};
static void gfx_sdl_set_mode(void) {
if (configWindow.exiting_fullscreen)
configWindow.exiting_fullscreen = false;
if (configWindow.reset) {
configWindow.fullscreen = false;
configWindow.x = WAPI_WIN_CENTERPOS;
configWindow.y = WAPI_WIN_CENTERPOS;
configWindow.w = DESIRED_SCREEN_WIDTH;
configWindow.h = DESIRED_SCREEN_HEIGHT;
configWindow.reset = false;
}
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
uint32_t flags = SDL_OPENGL;
if (configWindow.fullscreen)
flags |= SDL_FULLSCREEN;
else
flags |= SDL_RESIZABLE;
if (!SDL_VideoModeOK(configWindow.w, configWindow.h, desktop_bpp, flags)) {
printf(
"video mode [%dx%d fullscreen %d] not available, falling back to default\n",
configWindow.w, configWindow.h, configWindow.fullscreen
);
configWindow.w = DESIRED_SCREEN_WIDTH;
configWindow.h = DESIRED_SCREEN_HEIGHT;
configWindow.fullscreen = false;
flags = SDL_OPENGL | SDL_RESIZABLE;
}
if (!SDL_SetVideoMode(configWindow.w, configWindow.h, desktop_bpp, flags)) {
sys_fatal(
"could not set video mode [%dx%d fullscreen %d]: %s\n",
configWindow.w, configWindow.h, configWindow.fullscreen, SDL_GetError()
);
}
window_w = configWindow.w;
window_h = configWindow.h;
}
static void gfx_sdl_init(const char *window_title) {
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0)
sys_fatal("Could not init SDL1 video: %s\n", SDL_GetError());
const SDL_VideoInfo *vinfo = SDL_GetVideoInfo();
desktop_w = vinfo->current_w;
desktop_h = vinfo->current_h;
desktop_bpp = vinfo->vfmt->BitsPerPixel;
SDL_WM_SetCaption(window_title, NULL);
// set actual desired video mode
gfx_sdl_set_mode();
SDL_ShowCursor(0);
for (size_t i = 0; i < sizeof(windows_scancode_table) / sizeof(SDLKey); i++) {
inverted_scancode_table[windows_scancode_table[i]] = i;
}
for (size_t i = 0; i < sizeof(scancode_rmapping_extended) / sizeof(scancode_rmapping_extended[0]); i++) {
inverted_scancode_table[scancode_rmapping_extended[i][0]] = inverted_scancode_table[scancode_rmapping_extended[i][1]] + 0x100;
}
for (size_t i = 0; i < sizeof(scancode_rmapping_nonextended) / sizeof(scancode_rmapping_nonextended[0]); i++) {
inverted_scancode_table[scancode_rmapping_nonextended[i][0]] = inverted_scancode_table[scancode_rmapping_nonextended[i][1]];
inverted_scancode_table[scancode_rmapping_nonextended[i][1]] += 0x100;
}
}
static void gfx_sdl_main_loop(void (*run_one_game_iter)(void)) {
run_one_game_iter();
}
static void gfx_sdl_get_dimensions(uint32_t *width, uint32_t *height) {
if (width) *width = window_w;
if (height) *height = window_h;
}
static int translate_scancode(int scancode) {
if (scancode < 512) {
return inverted_scancode_table[scancode];
} else {
return 0;
}
}
static void gfx_sdl_onkeydown(int scancode) {
if (kb_key_down)
kb_key_down(translate_scancode(scancode));
}
static void gfx_sdl_onkeyup(int scancode) {
if (kb_key_up)
kb_key_up(translate_scancode(scancode));
}
static void gfx_sdl_handle_events(void) {
SDL_Event event;
while (SDL_PollEvent(&event)) {
if (event.type.event = SDL_WINDOWEVENT_FOCUS_LOST)
{
focus_Lost = TRUE;
}
switch (event.type) {
#ifndef TARGET_WEB
// Scancodes are broken in Emscripten SDL2: https://bugzilla.libsdl.org/show_bug.cgi?id=3259
case SDL_KEYDOWN:
gfx_sdl_onkeydown(event.key.keysym.sym);
// ALT+F4 in case the OS doesn't do it (SDL1 doesn't seem to do it on my machine)
if (event.key.keysym.sym == SDLK_F4 && (event.key.keysym.mod & (KMOD_LALT | KMOD_RALT)))
game_exit();
break;
case SDL_KEYUP:
gfx_sdl_onkeyup(event.key.keysym.sym);
break;
#endif
case SDL_VIDEORESIZE:
window_w = configWindow.w = event.resize.w;
window_h = configWindow.h = event.resize.h;
break;
case SDL_QUIT:
game_exit();
break;
}
}
}
static void gfx_sdl_set_keyboard_callbacks(kb_callback_t on_key_down, kb_callback_t on_key_up, void (*on_all_keys_up)(void)) {
kb_key_down = on_key_down;
kb_key_up = on_key_up;
kb_all_keys_up = on_all_keys_up;
}
static bool gfx_sdl_start_frame(void) {
return true;
}
static inline void sync_framerate_with_timer(void) {
static Uint32 last_time = 0;
// get base timestamp on the first frame (might be different from 0)
if (last_time == 0) last_time = SDL_GetTicks();
const int elapsed = SDL_GetTicks() - last_time;
if (elapsed < frame_time)
SDL_Delay(frame_time - elapsed);
last_time += frame_time;
}
static void gfx_sdl_swap_buffers_begin(void) {
sync_framerate_with_timer();
SDL_GL_SwapBuffers();
}
static void gfx_sdl_swap_buffers_end(void) {
}
static double gfx_sdl_get_time(void) {
return 0.0;
}
static void gfx_sdl_shutdown(void) {
if (SDL_WasInit(0))
SDL_Quit();
}
struct GfxWindowManagerAPI gfx_sdl = {
gfx_sdl_init,
gfx_sdl_set_keyboard_callbacks,
gfx_sdl_main_loop,
gfx_sdl_get_dimensions,
gfx_sdl_handle_events,
gfx_sdl_start_frame,
gfx_sdl_swap_buffers_begin,
gfx_sdl_swap_buffers_end,
gfx_sdl_get_time,
gfx_sdl_shutdown
};
#endif // BACKEND_WM
Reference in New Issue View Git Blame Copy Permalink