shithub: qk1

ref: ba6ad8ddabdf363f0053ce859d59b6ff097d880d
dir: /unix/in.c/

#include "quakedef.h"
#include <SDL.h>

/* vid.c */
extern int resized;

static cvar_t m_windowed = {"m_windowed", "1", true};
static cvar_t m_filter = {"m_filter", "0", true};
static int mouseon, oldmwin, focuslost;
static float olddx, olddy;
static int mΔx, mΔy, oldmb;

void
conscmd(void)
{
}

void
Sys_SendKeyEvents(void)
{
	SDL_Event event;
	int key;

	if(cls.state == ca_dedicated)
		return;
	if(oldmwin != (int)m_windowed.value){
		oldmwin = (int)m_windowed.value;
		IN_Grabm(oldmwin);
	}

	while(SDL_PollEvent(&event)){
		switch(event.type){
		case SDL_QUIT:
			Cbuf_AddText("menu_quit\n");
			break;
		case SDL_WINDOWEVENT:
			switch(event.window.event){
			case SDL_WINDOWEVENT_RESIZED:
				resized = 1;
				break;
			case SDL_WINDOWEVENT_FOCUS_LOST:
				focuslost = mouseon;
				IN_Grabm(0);
				break;
			case SDL_WINDOWEVENT_FOCUS_GAINED:
				IN_Grabm(focuslost);
				break;
			}
			break;
		case SDL_MOUSEMOTION:
			if(mouseon){
				mΔx += event.motion.xrel;
				mΔy += event.motion.yrel;
			}
			break;
		case SDL_KEYDOWN:
		case SDL_KEYUP:
			switch(key = event.key.keysym.sym){
			case SDLK_BACKQUOTE: key = '~'; break;
			case SDLK_DELETE: key = K_DEL; break;
			case SDLK_BACKSPACE: key = K_BACKSPACE; break;
			case SDLK_F1: key = K_F1; break;
			case SDLK_F2: key = K_F2; break;
			case SDLK_F3: key = K_F3; break;
			case SDLK_F4: key = K_F4; break;
			case SDLK_F5: key = K_F5; break;
			case SDLK_F6: key = K_F6; break;
			case SDLK_F7: key = K_F7; break;
			case SDLK_F8: key = K_F8; break;
			case SDLK_F9: key = K_F9; break;
			case SDLK_F10: key = K_F10; break;
			case SDLK_F11: key = K_F11; break;
			case SDLK_F12: key = K_F12; break;
			case SDLK_PAUSE: key = K_PAUSE; break;
			case SDLK_UP: key = K_UPARROW; break;
			case SDLK_DOWN: key = K_DOWNARROW; break;
			case SDLK_RIGHT: key = K_RIGHTARROW; break;
			case SDLK_LEFT: key = K_LEFTARROW; break;
			case SDLK_RSHIFT:
			case SDLK_LSHIFT: key = K_SHIFT; break;
			case SDLK_RCTRL:
			case SDLK_LCTRL: key = K_CTRL; break;
			case SDLK_RALT:
			case SDLK_LALT: key = K_ALT; break;
			default:
				if(key >= 128)
					key = 0;
				break;
			}
			if(key > 0)
				Key_Event(key, event.key.state);
			break;
		}
	}
}

void
IN_Commands(void)
{
	int b, i, k, r;

	if(!mouseon || cls.state == ca_dedicated)
		return;
	b = SDL_GetMouseState(nil, nil);
	b = (b & 0x19) | ((b & 2) << 1) | ((b & 4) >> 1);
	for(i=0, k=K_MOUSE1; i<5; i++, k++){
		if(i == 3)
			k = K_MWHEELUP;
		r = b & 1<<i;
		if(r ^ (oldmb & 1<<i))
			Key_Event(k, r);
	}
	oldmb = b & 7;
}

void
IN_Move(usercmd_t *cmd)
{
	float dx, dy;

	if(!mouseon)
		return;

	dx = mΔx;
	dy = mΔy;
	mΔx = 0;
	mΔy = 0;
	if(m_filter.value){
		dx = (dx + olddx) * 0.5;
		dy = (dy + olddy) * 0.5;
	}
	olddx = dx;
	olddy = dy;
	dx *= sensitivity.value;
	dy *= sensitivity.value;
	if(in_strafe.state & 1 || (lookstrafe.value && in_mlook.state & 1))
		cmd->sidemove += m_side.value * dx;
	else
		cl.viewangles[YAW] -= m_yaw.value * dx;
	if(in_mlook.state & 1)
		V_StopPitchDrift();
	if(in_mlook.state & 1 && ~in_strafe.state & 1){
		cl.viewangles[PITCH] += m_pitch.value * dy;
		if(cl.viewangles[PITCH] > 80)
			cl.viewangles[PITCH] = 80;
		if(cl.viewangles[PITCH] < -70)
			cl.viewangles[PITCH] = -70;
	}else{
		if(in_strafe.state & 1 && noclip_anglehack)
			cmd->upmove -= m_forward.value * dy;
		else
			cmd->forwardmove -= m_forward.value * dy;
	}
}

void
IN_Grabm(int on)
{
	mouseon = on;
	SDL_SetRelativeMouseMode(on ? SDL_TRUE : SDL_FALSE);
}

void
IN_Shutdown(void)
{
	IN_Grabm(0);
}

void
IN_Init(void)
{
	Cvar_RegisterVariable(&m_windowed);
	Cvar_RegisterVariable(&m_filter);
}