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#include <camellia.h>
#include <camellia/syscalls.h>
#include <shared/ring.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <draw.h>
#include <thread.h>
#include "doomgeneric.h"
#include "doomkeys.h"
static struct framebuf fb;
static hid_t kb;
static const char keymap_lower[] = {
'\0', '\0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b', '\t',
'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\r', '\0', 'a', 's',
'd', 'f', 'g', 'h', 'j', 'k', 'l', '\0', '\'', '`', '\0', '\\', 'z', 'x', 'c', 'v',
'b', 'n', 'm', ',', '.', '/', '\0', '*', '\0', ' ', '\0', '\0', '\0', '\0', '\0', '\0',
'\0', '\0', '\0', '\0', '\0', '\0', '\0', '7', '8', '9', '-', '4', '5', '6', '+', '1',
'2', '3', '0', '.', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
};
static char kb_backbuf[256];
static ring_t kb_backlog = {kb_backbuf, sizeof kb_backbuf, 0, 0};
static void kb_thread(void *arg) {
(void)arg;
char buf[sizeof kb_backbuf];
for (;;) {
int ret = _sys_read(kb, buf, sizeof buf, 0);
if (ret <= 0) break;
ring_put(&kb_backlog, buf, ret);
}
}
void DG_Init(void) {
if (fb_setup(&fb, "/dev/video/") < 0) {
puts("DG_Init: fb_setup error");
abort();
}
kb = camellia_open("/dev/ps2/kb", OPEN_READ);
if (kb < 0) {
puts("DG_Init: can't open keyboard");
abort();
}
thread_create(0, kb_thread, NULL);
}
void DG_DrawFrame(void) {
size_t doomw = DOOMGENERIC_RESX;
size_t doomh = DOOMGENERIC_RESY;
size_t doompitch = doomw * 4;
for (int y = 0; y < DOOMGENERIC_RESY; y++) {
memcpy(fb.b + fb.pitch * y, ((char*)DG_ScreenBuffer) + doompitch * y, doompitch);
}
struct rect d;
dirty_mark(&d, 0, 0);
dirty_mark(&d, doomw, doomh);
dirty_flush(&d, &fb);
}
static uint32_t timer = 0;
void DG_SleepMs(uint32_t ms) {
timer += ms;
_sys_sleep(ms);
}
uint32_t DG_GetTicksMs(void) {
/* if it's stupid and it works... */
return timer;
}
int DG_GetKey(int *pressed, unsigned char *key) {
uint8_t c;
int read = ring_get(&kb_backlog, (char*)&c, 1);
bool extended = c == 0xe0;;
if (read == 0) return 0;
if (extended) ring_get(&kb_backlog, (char*)&c, 1);
bool down = !(c & 0x80);
c &= 0x7f;
if (!extended) {
switch (c) {
case 0x01:
c = KEY_ESCAPE;
break;
case 0x2a: case 0x36:
c = KEY_RSHIFT;
break;
case 0x1d:
c = KEY_FIRE;
break;
default:
c = keymap_lower[c & 0x7f];
switch (c) {
case ' ': c = KEY_USE; break;
}
}
} else {
switch (c) {
case 0x48: c = KEY_UPARROW; break;
case 0x50: c = KEY_DOWNARROW; break;
case 0x4B: c = KEY_LEFTARROW; break;
case 0x4D: c = KEY_RIGHTARROW; break;
default: c = '\0'; break;
}
}
*pressed = down;
*key = c;
return 1;
}
void DG_SetWindowTitle(const char *title) {
(void)title;
}
int main(int argc, char **argv) {
doomgeneric_Create(argc, argv);
for (;;) {
doomgeneric_Tick();
}
}
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