ddnet/src/engine/client/ec_inp.c

363 lines
7.8 KiB
C

/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */
#include <string.h>
#ifdef CONFIG_NO_SDL
#include <GL/glfw.h>
#else
#include "SDL.h"
#endif
#include <base/system.h>
#include <engine/e_client_interface.h>
#include <engine/e_config.h>
#ifdef CONFIG_NO_SDL
static int keyboard_state[2][1024] = {{0}}; /* TODO: fix this!! */
#else
static unsigned char keyboard_state[2][1024] = {{0}}; /* TODO: fix this!! */
#endif
static int keyboard_current = 0;
#ifdef CONFIG_NO_SDL
static int keyboard_first = 1;
#endif
static struct
{
unsigned char presses;
unsigned char releases;
} input_count[2][1024] = {{{0}}, {{0}}};
static unsigned char input_state[2][1024] = {{0}, {0}};
static int input_current = 0;
#ifdef CONFIG_NO_SDL
static unsigned int last_release = 0;
#else
static int input_grabbed = 0;
static int input_use_grab = 1;
#endif
static unsigned int release_delta = -1;
void inp_mouse_relative(int *x, int *y)
{
static int last_x = 0, last_y = 0;
static int last_sens = 100.0f;
int nx = 0, ny = 0;
float sens = config.inp_mousesens/100.0f;
if(last_sens != config.inp_mousesens)
{
last_x = (last_x/(float)last_sens)*(float)config.inp_mousesens;
last_y = (last_y/(float)last_sens)*(float)config.inp_mousesens;
last_sens = config.inp_mousesens;
}
#ifdef CONFIG_NO_SDL
glfwGetMousePos(&nx, &ny);
nx *= sens;
ny *= sens;
*x = nx-last_x;
*y = ny-last_y;
last_x = nx;
last_y = ny;
#else
if(input_use_grab)
SDL_GetRelativeMouseState(&nx, &ny);
else
{
if(input_grabbed)
{
SDL_GetMouseState(&nx,&ny);
SDL_WarpMouse(gfx_screenwidth()/2,gfx_screenheight()/2);
nx -= gfx_screenwidth()/2; ny -= gfx_screenheight()/2;
}
}
*x = nx*sens;
*y = ny*sens;
#endif
}
enum
{
INPUT_BUFFER_SIZE=32
};
static INPUT_EVENT input_events[INPUT_BUFFER_SIZE];
static int num_events = 0;
static void add_event(char c, int key, int flags)
{
if(num_events != INPUT_BUFFER_SIZE)
{
input_events[num_events].ch = c;
input_events[num_events].key = key;
input_events[num_events].flags = flags;
num_events++;
}
}
int inp_num_events()
{
return num_events;
}
void inp_clear_events()
{
num_events = 0;
}
INPUT_EVENT inp_get_event(int index)
{
if(index < 0 || index >= num_events)
{
INPUT_EVENT e = {0,0};
return e;
}
return input_events[index];
}
#ifdef CONFIG_NO_SDL
static void char_callback(int character, int action)
{
if(action == GLFW_PRESS && character < 256)
add_event((char)character, 0, 0);
}
static void key_callback(int key, int action)
{
if(action == GLFW_PRESS)
add_event(0, key, INPFLAG_PRESS);
else
add_event(0, key, INPFLAG_RELEASE);
if(action == GLFW_PRESS)
input_count[input_current^1][key].presses++;
if(action == GLFW_RELEASE)
input_count[input_current^1][key].releases++;
input_state[input_current^1][key] = action;
}
static void mousebutton_callback(int button, int action)
{
if(action == GLFW_PRESS)
add_event(0, KEY_MOUSE_FIRST+button, INPFLAG_PRESS);
else
add_event(0, KEY_MOUSE_FIRST+button, INPFLAG_RELEASE);
if(action == GLFW_PRESS)
input_count[input_current^1][KEY_MOUSE_FIRST+button].presses++;
if(action == GLFW_RELEASE)
{
if(button == 0)
{
release_delta = time_get() - last_release;
last_release = time_get();
}
input_count[input_current^1][KEY_MOUSE_FIRST+button].releases++;
}
input_state[input_current^1][KEY_MOUSE_FIRST+button] = action;
}
static void mousewheel_callback(int pos)
{
if(pos > 0)
{
while(pos-- != 0)
{
input_count[input_current^1][KEY_MOUSE_WHEEL_UP].presses++;
input_count[input_current^1][KEY_MOUSE_WHEEL_UP].releases++;
}
add_event(0, KEY_MOUSE_WHEEL_UP, INPFLAG_PRESS);
add_event(0, KEY_MOUSE_WHEEL_UP, INPFLAG_RELEASE);
}
else if(pos < 0)
{
while(pos++ != 0)
{
input_count[input_current^1][KEY_MOUSE_WHEEL_DOWN].presses++;
input_count[input_current^1][KEY_MOUSE_WHEEL_DOWN].releases++;
}
add_event(0, KEY_MOUSE_WHEEL_DOWN, INPFLAG_PRESS);
add_event(0, KEY_MOUSE_WHEEL_DOWN, INPFLAG_RELEASE);
}
glfwSetMouseWheel(0);
}
void inp_init()
{
glfwEnable(GLFW_KEY_REPEAT);
glfwSetCharCallback(char_callback);
glfwSetKeyCallback(key_callback);
glfwSetMouseButtonCallback(mousebutton_callback);
glfwSetMouseWheelCallback(mousewheel_callback);
}
void inp_mouse_mode_absolute()
{
glfwEnable(GLFW_MOUSE_CURSOR);
}
void inp_mouse_mode_relative()
{
/*if (!config.gfx_debug_resizable)*/
glfwDisable(GLFW_MOUSE_CURSOR);
}
#else
void inp_init()
{
SDL_EnableUNICODE(1);
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
}
void inp_mouse_mode_absolute()
{
SDL_ShowCursor(1);
input_grabbed = 0;
if(input_use_grab)
SDL_WM_GrabInput(SDL_GRAB_OFF);
}
void inp_mouse_mode_relative()
{
SDL_ShowCursor(0);
input_grabbed = 1;
if(input_use_grab)
SDL_WM_GrabInput(SDL_GRAB_ON);
}
#endif
int inp_mouse_doubleclick()
{
return release_delta < (time_freq() >> 2);
}
void inp_clear_key_states()
{
mem_zero(keyboard_state, sizeof(keyboard_state));
mem_zero(input_count, sizeof(input_count));
}
int inp_key_presses(int key)
{
return input_count[input_current][key].presses;
}
int inp_key_releases(int key)
{
return input_count[input_current][key].releases;
}
int inp_key_state(int key)
{
return input_state[input_current][key];
}
int inp_key_pressed(int key) { return keyboard_state[keyboard_current][key]; }
int inp_key_was_pressed(int key) { return keyboard_state[keyboard_current^1][key]; }
int inp_key_down(int key) { return inp_key_pressed(key)&&!inp_key_was_pressed(key); }
int inp_button_pressed(int button) { return keyboard_state[keyboard_current][button]; }
void inp_update()
{
#ifdef CONFIG_NO_SDL
int i, v;
/* clear and begin count on the other one */
mem_zero(&input_count[input_current], sizeof(input_count[input_current]));
mem_copy(input_state[input_current], input_state[input_current^1], sizeof(input_state[input_current]));
input_current^=1;
if(keyboard_first)
{
/* make sure to reset */
keyboard_first = 0;
inp_update();
}
keyboard_current = keyboard_current^1;
for(i = 0; i < KEY_LAST; i++)
{
if (i >= KEY_MOUSE_FIRST)
v = glfwGetMouseButton(i-KEY_MOUSE_FIRST) == GLFW_PRESS ? 1 : 0;
else
v = glfwGetKey(i) == GLFW_PRESS ? 1 : 0;
keyboard_state[keyboard_current][i] = v;
}
#else
int i;
/* clear and begin count on the other one */
mem_zero(&input_count[input_current], sizeof(input_count[input_current]));
mem_copy(input_state[input_current], input_state[input_current^1], sizeof(input_state[input_current]));
input_current^=1;
{
Uint8 *state = SDL_GetKeyState(&i);
if(i >= KEY_LAST)
i = KEY_LAST-1;
mem_copy(keyboard_state[keyboard_current], state, i);
}
keyboard_state[keyboard_current][KEY_MOUSE_1] = 0;
keyboard_state[keyboard_current][KEY_MOUSE_2] = 0;
keyboard_state[keyboard_current][KEY_MOUSE_3] = 0;
i = SDL_GetMouseState(NULL, NULL);
if(i&SDL_BUTTON(1)) keyboard_state[keyboard_current][KEY_MOUSE_1] = 1;
if(i&SDL_BUTTON(2)) keyboard_state[keyboard_current][KEY_MOUSE_2] = 1;
if(i&SDL_BUTTON(3)) keyboard_state[keyboard_current][KEY_MOUSE_3] = 1;
{
SDL_Event event;
while(SDL_PollEvent(&event))
{
int key = -1;
int action = INPFLAG_PRESS;
switch (event.type)
{
/* handle keys */
case SDL_KEYDOWN:
if(event.key.keysym.unicode < 255)
add_event(event.key.keysym.unicode, 0, 0);
key = event.key.keysym.sym;
break;
case SDL_KEYUP:
action = INPFLAG_RELEASE;
key = event.key.keysym.sym;
break;
/* handle mouse buttons */
case SDL_MOUSEBUTTONUP:
action = INPFLAG_RELEASE;
case SDL_MOUSEBUTTONDOWN:
key = KEY_MOUSE_1+event.button.button-1;
break;
/* other messages */
case SDL_QUIT:
exit(0);
}
/* */
if(key != -1)
{
input_count[input_current^1][key].presses++;
input_state[input_current^1][key] = 1;
add_event(0, key, action);
}
}
}
#endif
}