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#include "input.h"
#include "SDL_events.h"
#include <string.h>
INPUT_DATA input;
void input_on_event( SDL_Event* e ) {
input.on_input.each( fn( ON_INPUT_FN* func ) { (*func)( e ); } );
switch( e->type ) {
case SDL_MOUSEBUTTONDOWN: {
switch( e->button.button ) {
case 1: input.mouse.left = 1; break;
case 2: input.mouse.middle = 1; break;
case 3: input.mouse.right = 1; break;
}
} break;
case SDL_MOUSEBUTTONUP: {
switch( e->button.button ) {
case 1: input.mouse.left = 0; break;
case 2: input.mouse.middle = 0; break;
case 3: input.mouse.right = 0; break;
}
} break;
case SDL_MOUSEWHEEL: {
input.mouse.wheel = e->wheel.y;
} break;
case SDL_MOUSEMOTION: {
input.mouse.pos.x = (F32)e->motion.x;
input.mouse.pos.y = (F32)e->motion.y;
input.mouse.pos_delta.x += (F32)e->motion.xrel * input.mpitch;
input.mouse.pos_delta.y += (F32)e->motion.yrel * input.myaw;
} break;
case SDL_TEXTINPUT: {
U32 incoming = strlen( e->text.text );
U32 available = (U32)sizeof( input.text ) - 1 - input.textlen;
U32 count = incoming < available
? incoming
: available;
if( !count )
break;
memcpy(
input.text + input.textlen,
e->text.text,
count
);
input.textlen += count;
input.text[input.textlen] = 0;
} break;
case SDL_KEYDOWN: {
input.keys[e->key.keysym.sym & 0xff] = 1;
} break;
case SDL_KEYUP: {
input.keys[e->key.keysym.sym & 0xff] = 0;
} break;
}
}
extern void input_reset_mouse_accumulator() {
input.mouse.pos_delta.x = 0;
input.mouse.pos_delta.y = 0;
}
void input_on_mouse( I32 type, I32 x, I32 y ) {
if( type == MOUSEEV_MOVE ) {
input.mouse.pos.x = (F32)x;
input.mouse.pos.y = (F32)y;
}
if( type == MOUSEEV_DOWN ) {
I32 button = x;
if( button == MOUSE_LEFT )
input.mouse.left = 1;
if( button == MOUSE_RIGHT )
input.mouse.right = 1;
if( button == MOUSE_MIDDLE )
input.mouse.middle = 1;
if( button == MOUSE_WHEEL )
input.mouse.wheel = -1;
}
if( type == MOUSEEV_UP ) {
I32 button = x;
if( button == MOUSE_LEFT )
input.mouse.left = 0;
if( button == MOUSE_RIGHT )
input.mouse.right = 0;
if( button == MOUSE_MIDDLE )
input.mouse.middle = 0;
if( button == MOUSE_WHEEL )
input.mouse.wheel = 1;
}
}
void input_frame_end() {
input.mouse.wheel = 0;
input.textlen = 0;
input.text[0] = 0;
}
U8 input_is_key_down( U32 key ) {
return input.keys[key & 0xff];
}
void input_capture_mouse( U8 capture ) {
input_reset_mouse_accumulator();
input.mouselock = capture;
SDL_SetRelativeMouseMode( capture ? SDL_TRUE : SDL_FALSE );
}
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