Files
fun-columns-sdl/src/events.c
T
2024-08-30 19:20:13 +10:00

112 lines
2.4 KiB
C

#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#include <stdbool.h>
#include "backdrop.h"
#include "render.h"
#include "column.h"
#include "sdl.h"
bool next_p = false; // next piece flag
bool restart = false; // restart flag
bool pause_f = false; // pause flag
bool quit = false; // quit flag
bool gradient_d = false; // gradient direction flag
int handle_events () {
////////////////////////////// EVENT LOOP //////////////////////////
while (restart == false) {
SDL_PollEvent (&event);
switch (event.type) {
case SDL_KEYDOWN:
// gradient colour cycle
if(event.key.keysym.sym == SDLK_c
&& (event.key.keysym.mod & KMOD_CTRL) != 0 ) {
colour = colour + 10;
if (colour >= 69) {colour = 0;}
backdrop(colour);
break;
}
// invert gradient
if( event.key.keysym.sym == SDLK_x
&& (event.key.keysym.mod & KMOD_CTRL) != 0 ) {
gradient_d = !gradient_d;
break;
}
// left arrow
if (event.key.keysym.sym == SDLK_LEFT) {
if (col == 0 | grid[0][row + 2][col - 1] != 0) {break;}
for (int i = -1; i < 3; i++) {
grid[0][row + i][col] = 0; // zero out old column
}
col--;
disp_column (row, col);
break;
}
// right arrow
if (event.key.keysym.sym == SDLK_RIGHT) {
if (col == 7 | grid[0][row + 2][col + 1] != 0) {break;}
for (int i = -1; i < 3; i++) {
grid[0][row + i][col] = 0; // zero out old column
}
col++;
disp_column (row, col);
break;
}
// next piece (brick/block) preview
if (event.key.keysym.sym == SDLK_n) {
next_p = !next_p;
break;
}
// restart
if( event.key.keysym.sym == SDLK_r
&& (event.key.keysym.mod & KMOD_CTRL) != 0 ) {
restart = true;
break;
}
// rotate tiles
if(event.key.keysym.sym == SDLK_r
&& (event.key.keysym.mod & KMOD_SHIFT) != 0 ) {
rotate_col();
disp_column (row, col);
break;
}
// drop/fall block/piece/brick
if (event.key.keysym.sym == SDLK_SPACE) {
for (int i = -1; i < 3; i++) {
grid[0][row + i][col] = 0; // zero out old column
}
row = 18 - (18-colcnt[col]);
disp_column (row, col);
break;
}
// change tile design/pattern
if( event.key.keysym.sym == SDLK_s
&& (event.key.keysym.mod & KMOD_CTRL) != 0 ) {
tile_shp++;
if (tile_shp > 4) {
tile_shp = 0;
}
break;
}
// pause
if (event.key.keysym.sym == SDLK_p) {
pause_f = !pause_f;
break;
}
}
Ren_game ();
}
}