ctrl.c

#include <SDL2/SDL.h>
#include "var.h"
#include "menu.h"
#include "snd.h"
#include "gfx.h"
#include "sim.h"
SDL_Event e;
SDL_Joystick *gamepad=NULL;
int amt;

#define GCWJOYSTICK "linkdev device (Analog 2-axis 8-button 2-hat)"

void ctrl_up(){
	SDL_InitSubSystem(SDL_INIT_JOYSTICK);
	if (SDL_NumJoysticks()>0) {
#ifdef GCW
		for (i = 0; i < SDL_NumJoysticks(); i++)
			if (strcmp(SDL_JoystickName(i), GCWJOYSTICK) == 0) gamepad = SDL_JoystickOpen(i);
#else
		gamepad=SDL_JoystickOpen(0);
#endif
	}
}

void ctrl_down(){
	
}

void ctrl_do(){
	if(gamepad){
		int joy_x = SDL_JoystickGetAxis(gamepad,0);
		int joy_y = SDL_JoystickGetAxis(gamepad,1);
		int x,y;
		if( (joy_x>JOYDEADZONE) || (joy_x<-JOYDEADZONE) ){
			x = MAP_X+(joy_x>>12);
			if(x>UNI_W-DISPW) MAP_X=UNI_W-DISPW;
			else if(x<0) MAP_X=0;
			else{MAP_X=x;playsnd(SFX_CUR);}
		}if( (joy_y>JOYDEADZONE) || (joy_y<-JOYDEADZONE) ){
			y = MAP_Y+(joy_y>>12);
			if(y>UNI_H-DISPH) MAP_Y=UNI_H-DISPH;
			else if(y<0) MAP_Y=0;
			else{MAP_Y=y;playsnd(SFX_CUR);}
		}

	}
	while(SDL_PollEvent(&e)!=0){
		/*if(e.type==SDL_JOYAXISMOTION){
			if((e.jaxis.value>JOYDEADZONE)||(e.jaxis.value<-JOYDEADZONE)){
				switch(e.jaxis.axis){
					case 0:
						//MOVEMAP_X=(e.jaxis.value>>13);
						MAP_X+=e.jaxis.value>>13;
						break;
					case 1:
						//MOVEMAP_Y=(e.jaxis.value>>13);
						MAP_Y+=e.jaxis.value>>13;
						break;
				}
			}
		}else */
		if(e.type==SDL_QUIT){
			QUIT = 1;
		}else if(e.type==SDL_KEYDOWN){
			if(menu_state&~MENU_NONE){
				switch(e.key.keysym.sym){
				//general
					case SDLK_ESCAPE: //quit
						QUIT = 1;
						break;
				//specific
					case SDLK_LSHIFT: //menu
						if(e.key.repeat)break;
						menu_state|=MENU_DOWN;
						break;
					case SDLK_LCTRL: //select
						menu_set(1,e.key.repeat,menu_state);
						break;
					case SDLK_LALT: //back
						menu_set(-1,e.key.repeat,menu_state);
						break;
					case SDLK_UP: //cursor up
						menu_ptu(e.key.repeat);
						break;
					case SDLK_DOWN: //cursor down
						menu_ptd(e.key.repeat);
						break;
					case SDLK_LEFT: //cursor left
						menu_set(-10,e.key.repeat,menu_state);
						break;
					case SDLK_RIGHT: //cursor right
						menu_set(10,e.key.repeat,menu_state);
						break;
				}
			}else{
				switch(e.key.keysym.sym){
				//general
					case SDLK_ESCAPE: //quit
						QUIT = 1;
						playsnd(SFX_SEL);
						break;
					case SDLK_SPACE: //start/stop sim
						if(e.key.repeat)break;
						if(SIM){SIM = 0; playsnd(SFX_STOP);}
						else{SIM = 1; playsnd(SFX_START);}
						break;
					case SDLK_BACKSPACE: //speed up
						if(SPD>SPDMIN){SPD--;playsnd(SFX_CUR);}
						break;
					case SDLK_TAB: //slow down
						if(SPD<SPDMAX){SPD++;playsnd(SFX_CUR);}
						break;
					case SDLK_RETURN: //clear
						//CLEAR=1;
						if(e.key.repeat)break;
						clr_a();
						playsnd(SFX_CLR);
						break;
				//specific
					case SDLK_LSHIFT: //menu
						if(e.key.repeat)break;
						//printf("menu key, state:%d\n",menu_state);
						menu_state|=MENU_UP;
						//printf("menu key, state:%d\n",menu_state);
						break;
					case SDLK_LCTRL: //place selection
						if(e.key.repeat)break;
						set_a(&uni_data,pt.x+MAP_X,pt.y+MAP_Y,1,vismask);
						updateneighbourflags(pt.x+MAP_X,pt.y+MAP_Y);
						playsnd(SFX_SEL);
						break;
					case SDLK_LALT: //remove selection
						if(e.key.repeat)break;
						set_a(&uni_data,pt.x+MAP_X,pt.y+MAP_Y,0,vismask);
						updateneighbourflags(pt.x+MAP_X,pt.y+MAP_Y);
						playsnd(SFX_SEL);
						break;
					case SDLK_UP: //cursor up
						if(pt.y>0) pt.y--;
						else if((MAP_Y==0)&&!e.key.repeat){ pt.y=DISPH-1; MAP_Y=UNI_H-DISPH; }
						else if(MAP_Y>0)MAP_Y--;
						else break;
						playsnd(SFX_CUR);
						break;
					case SDLK_DOWN: //cursor down
						if(pt.y<DISPH-1) pt.y++;
						else if((MAP_Y==UNI_H-DISPH)&&!e.key.repeat){ pt.y=0; MAP_Y=0; }
						else if(MAP_Y<UNI_H-DISPH) MAP_Y++;
						else break;
						playsnd(SFX_CUR);
						break;
					case SDLK_LEFT: //cursor left
						if(pt.x>0) pt.x--;
						else if((MAP_X==0)&&!e.key.repeat){ pt.x=DISPW-1; MAP_X=UNI_W-DISPW; }
						else if(MAP_X>0)MAP_X--;
						else break;
						playsnd(SFX_CUR);
						break;
					case SDLK_RIGHT: //cursor right
						if(pt.x<DISPW-1) pt.x++;
						else if((MAP_X==UNI_W-DISPW)&&!e.key.repeat){ pt.x=0; MAP_X=0; }
						else if(MAP_X<UNI_W-DISPW) MAP_X++;
						else break;
						playsnd(SFX_CUR);
						break;
				}
			}
		}
	}
}