793 lines
21 KiB
C
793 lines
21 KiB
C
#include <sys/keycodes.h>
|
|
|
|
#include <assert.h>
|
|
#include <display.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <pixel.h>
|
|
#include <stdbool.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <timespec.h>
|
|
|
|
#define STAGES 8
|
|
enum game_mode { TITLESCREEN, STAGE };
|
|
enum game_mode game_mode = TITLESCREEN;
|
|
bool stages_beat[STAGES];
|
|
size_t stages_num;
|
|
|
|
#define PLAYFIELD_SIDE 100
|
|
#define TILE_SIDE 10
|
|
#define TILES (PLAYFIELD_SIDE / TILE_SIDE)
|
|
enum palette {
|
|
BG = 0,
|
|
TEXT,
|
|
PLAYER_OUTLINE,
|
|
PLAYER_SKIN,
|
|
PLAYER_EYE,
|
|
GRASS_TOP,
|
|
GRASS_BROWN,
|
|
GRASS_DARK,
|
|
FLAG_STEM,
|
|
FLAG_FLAG,
|
|
SWITCH_SWITCH,
|
|
TILE1,
|
|
TILE2,
|
|
TILE3,
|
|
TILE4,
|
|
STAR_STAR,
|
|
};
|
|
static enum palette playfield[PLAYFIELD_SIDE * PLAYFIELD_SIDE];
|
|
|
|
#include "player_stand_tile.inc"
|
|
#include "player_walk1_tile.inc"
|
|
#include "player_walk2_tile.inc"
|
|
#include "player_walk1_tile_reversed.inc"
|
|
#include "player_walk2_tile_reversed.inc"
|
|
|
|
#include "grass_tile.inc"
|
|
#include "dirt_tile.inc"
|
|
#include "flag_tile.inc"
|
|
|
|
#include "switch1_off_tile.inc"
|
|
#include "switch1_on_tile.inc"
|
|
#include "switch2_off_tile.inc"
|
|
#include "switch2_on_tile.inc"
|
|
#include "switch3_off_tile.inc"
|
|
#include "switch3_on_tile.inc"
|
|
#include "switch4_off_tile.inc"
|
|
#include "switch4_on_tile.inc"
|
|
#include "switch0_off_tile.inc"
|
|
#include "switch0_on_tile.inc"
|
|
|
|
#include "tile1_off_tile.inc"
|
|
#include "tile1_on_tile.inc"
|
|
#include "tile2_off_tile.inc"
|
|
#include "tile2_on_tile.inc"
|
|
#include "tile3_off_tile.inc"
|
|
#include "tile3_on_tile.inc"
|
|
#include "tile4_off_tile.inc"
|
|
#include "tile4_on_tile.inc"
|
|
|
|
#include "stage1_tile.inc"
|
|
#include "stage2_tile.inc"
|
|
#include "stage3_tile.inc"
|
|
#include "stage4_tile.inc"
|
|
#include "stage5_tile.inc"
|
|
#include "stage6_tile.inc"
|
|
#include "stage7_tile.inc"
|
|
#include "stage8_tile.inc"
|
|
#include "star_tile.inc"
|
|
|
|
#include "rebind_rebind1_tile.inc"
|
|
#include "rebind_rebind2_tile.inc"
|
|
#include "rebind_rebind3_tile.inc"
|
|
#include "rebind_left1_tile.inc"
|
|
#include "rebind_left2_tile.inc"
|
|
#include "rebind_right1_tile.inc"
|
|
#include "rebind_right2_tile.inc"
|
|
#include "rebind_jump1_tile.inc"
|
|
#include "rebind_jump2_tile.inc"
|
|
#include "rebind_rebind1_alt_tile.inc"
|
|
|
|
static char tilemap[TILES * TILES + 1];
|
|
static char *stages[STAGES];
|
|
static char *builtin_stages[] = {
|
|
" "
|
|
" "
|
|
" "
|
|
"! g "
|
|
"gg g "
|
|
" g"
|
|
" g "
|
|
" g "
|
|
"@ gdg "
|
|
"gg dddgg ",
|
|
" "
|
|
" "
|
|
" "
|
|
" "
|
|
" "
|
|
" "
|
|
" A "
|
|
" 11g "
|
|
"@ !"
|
|
"ggg gg",
|
|
" "
|
|
" "
|
|
"B N"
|
|
"2222222222"
|
|
" 1 "
|
|
" "
|
|
"1 "
|
|
" "
|
|
"@A1 !"
|
|
"g1 gg",
|
|
" d "
|
|
" d N "
|
|
" d "
|
|
" d g "
|
|
" d "
|
|
"Adg ggg"
|
|
" 1 !"
|
|
" g g"
|
|
" gd gd"
|
|
"ggggddggdd",
|
|
" !"
|
|
" D 4"
|
|
"C 3 44"
|
|
"3 3 4 "
|
|
" B"
|
|
" 222 2 2"
|
|
" "
|
|
" A 1 111"
|
|
"@g "
|
|
"gd ",
|
|
" @ "
|
|
"AggggggggB"
|
|
" 1 "
|
|
" 1 "
|
|
"1ggBgggC11"
|
|
" "
|
|
"gg2ggg3333"
|
|
" "
|
|
" ! "
|
|
" ggg ",
|
|
" "
|
|
" C N"
|
|
" "
|
|
" B 3 "
|
|
" 2 3 "
|
|
"1 3 1"
|
|
" 12"
|
|
"@ 1 123"
|
|
"A1 123!"
|
|
"1 123g",
|
|
"@d B12 C"
|
|
"A 1ggg"
|
|
"11gggggd "
|
|
" D"
|
|
"gg44444444"
|
|
" 22 "
|
|
" 2 "
|
|
" 2 2"
|
|
" 2!"
|
|
" 333333",
|
|
};
|
|
|
|
enum switches_state { ALL_OFF, SWITCH1, SWITCH2, SWITCH3, SWITCH4 };
|
|
enum switches_state switches_state;
|
|
|
|
static uint32_t main_window = 0;
|
|
static uint32_t window_width = 500;
|
|
static uint32_t window_height = 500;
|
|
|
|
static bool game_running = true;
|
|
|
|
static void on_disconnect(void *context) {
|
|
(void) context;
|
|
game_running = false;
|
|
}
|
|
|
|
static bool left_held, right_held, jump_held;
|
|
|
|
static double jump_maxheight = 21;
|
|
static double jump_duration = 0.4;
|
|
|
|
static int left_key = KBKEY_LEFT;
|
|
static int right_key = KBKEY_RIGHT;
|
|
static int jump_key = KBKEY_SPACE;
|
|
static int rebind_key = KBKEY_R;
|
|
|
|
enum rebind_state { PLAYING, LEFT, RIGHT, JUMP, REBIND };
|
|
enum rebind_state rebind_state;
|
|
|
|
static void on_keyboard(void *context, uint32_t window, uint32_t codepoint) {
|
|
(void) context;
|
|
if (window != main_window)
|
|
return;
|
|
int key = KBKEY_DECODE(codepoint);
|
|
switch (rebind_state) {
|
|
case PLAYING:
|
|
if (key == -rebind_key) rebind_state = LEFT;
|
|
else if (key == left_key) left_held = true;
|
|
else if (key == -left_key) left_held = false;
|
|
else if (key == right_key) right_held = true;
|
|
else if (key == -right_key) right_held = false;
|
|
else if (key == jump_key) jump_held = true;
|
|
else if (key == -jump_key) jump_held = false;
|
|
break;
|
|
case LEFT:
|
|
if (key >= 0) return;
|
|
left_key = -key;
|
|
rebind_state = RIGHT;
|
|
break;
|
|
case RIGHT:
|
|
if (key >= 0) return;
|
|
right_key = -key;
|
|
rebind_state = JUMP;
|
|
break;
|
|
case JUMP:
|
|
if (key >= 0) return;
|
|
jump_key = -key;
|
|
rebind_state = REBIND;
|
|
break;
|
|
case REBIND:
|
|
if (key >= 0) return;
|
|
rebind_key = -key;
|
|
rebind_state = PLAYING;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void on_quit(void *context, uint32_t window) {
|
|
(void) context;
|
|
if (window != main_window)
|
|
return;
|
|
game_running = false;
|
|
}
|
|
|
|
static void on_resize(void *context, uint32_t window, uint32_t width, uint32_t height) {
|
|
(void) context;
|
|
if (window != main_window)
|
|
return;
|
|
window_width = width;
|
|
window_height = height;
|
|
}
|
|
|
|
static double timespec2double(struct timespec ts) {
|
|
return ts.tv_sec + ts.tv_nsec / 1000.0 / 1000.0 / 1000.0;
|
|
}
|
|
|
|
static char sample_tilemap(size_t x, size_t y) {
|
|
size_t tx = x / TILE_SIDE;
|
|
size_t ty = y / TILE_SIDE;
|
|
if (tx >= TILES || ty >= TILES) return ' ';
|
|
return tilemap[ty * TILES + tx];
|
|
}
|
|
|
|
static bool solid_tile(size_t x, size_t y) {
|
|
char tile = sample_tilemap(x, y);
|
|
return tile != ' ' && tile != '!' && tile != '@' &&
|
|
tile != 'A' && (tile != '1' || switches_state == SWITCH1) &&
|
|
tile != 'B' && (tile != '2' || switches_state == SWITCH2) &&
|
|
tile != 'C' && (tile != '3' || switches_state == SWITCH3) &&
|
|
tile != 'D' && (tile != '4' || switches_state == SWITCH4) &&
|
|
tile != 'N';
|
|
}
|
|
|
|
static bool jumping = false;
|
|
static bool on_ground = false;
|
|
static double jump_start_y;
|
|
static double in_jump;
|
|
static double player_x, player_y;
|
|
static double player_dx, player_dy;
|
|
|
|
static size_t selection_index = 0;
|
|
|
|
static void initialize_stage(void) {
|
|
strcpy(tilemap, stages[selection_index]);
|
|
switches_state = ALL_OFF;
|
|
jumping = false;
|
|
on_ground = false;
|
|
player_dx = 0;
|
|
player_x = 0;
|
|
player_y = 0;
|
|
for (size_t ty = 0; ty < TILES; ty++) {
|
|
for (size_t tx = 0; tx < TILES; tx++) {
|
|
if (tilemap[ty * TILES + tx] == '@') {
|
|
player_x = tx * TILE_SIDE;
|
|
player_y = ty * TILE_SIDE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static bool keys_released;
|
|
static bool stage_selected;
|
|
|
|
static void initialize_titlescreen(void) {
|
|
keys_released = false; stage_selected = false;
|
|
}
|
|
|
|
static void initialize(void) {
|
|
switch (game_mode) {
|
|
case TITLESCREEN: initialize_titlescreen(); break;
|
|
case STAGE: initialize_stage(); break;
|
|
default: printf("game_mode %i\n", game_mode);
|
|
}
|
|
}
|
|
|
|
static void update_stage(struct timespec now, struct timespec dt_timespec) {
|
|
(void) now;
|
|
double dt = timespec2double(dt_timespec);
|
|
player_x += player_dx * dt;
|
|
|
|
if (left_held) player_dx = -30;
|
|
else if (right_held) player_dx = 30;
|
|
else player_dx = 0;
|
|
|
|
if (on_ground && jump_held && !jumping) {
|
|
jumping = true;
|
|
in_jump = 0;
|
|
jump_start_y = player_y;
|
|
}
|
|
if (!on_ground && !jumping) {
|
|
jumping = true;
|
|
in_jump = jump_duration;
|
|
jump_start_y = player_y + jump_maxheight;
|
|
}
|
|
if (jumping) {
|
|
in_jump += dt;
|
|
// Jump is a quadratic arc
|
|
// h = at^2 + bt + c
|
|
//
|
|
// Beginning of jump, zero height
|
|
// t = 0, h = 0
|
|
// 0 = a0^2 + b0 + c
|
|
// c = 0
|
|
//
|
|
// At 2*duration, zero height
|
|
// t = 2T, h = 0
|
|
// 0 = a(2T)^2 + b(2T) + 0
|
|
// 0 = 4aT^2 + 2bT
|
|
// 0 = 2aT^2 + bT
|
|
// 0 = 2aT + b
|
|
// b = -2aT
|
|
//
|
|
// At duration, maximum height
|
|
// t = T, h = H
|
|
// H = aT^2 + bT + 0
|
|
// H = aT^2 - 2aT^2
|
|
// H = -aT^2
|
|
// a = -H / (T^2)
|
|
// b
|
|
double a = -jump_maxheight / (jump_duration * jump_duration);
|
|
double b = -2 * a * jump_duration;
|
|
double jump_height = a * in_jump * in_jump + b * in_jump;
|
|
player_y = jump_start_y - jump_height;
|
|
// player_dy is negative of derivative of jump_height
|
|
// H = a*t^2 + b*t
|
|
// H' = 2*a*t + b
|
|
player_dy = -2 * a * in_jump - b;
|
|
}
|
|
|
|
// Collision against walls of the map
|
|
if (player_x < 0) {
|
|
player_x = 0;
|
|
player_dx = 0;
|
|
} else if (player_x > PLAYFIELD_SIDE - TILE_SIDE) {
|
|
player_x = PLAYFIELD_SIDE - TILE_SIDE;
|
|
player_dx = 0;
|
|
}
|
|
if (player_y < 0) {
|
|
player_y = 0;
|
|
player_dy = 0;
|
|
} else if (player_y > PLAYFIELD_SIDE - TILE_SIDE) {
|
|
player_y = PLAYFIELD_SIDE - TILE_SIDE;
|
|
player_dy = 0;
|
|
game_mode = TITLESCREEN;
|
|
initialize();
|
|
return;
|
|
}
|
|
|
|
// Collision against tiles
|
|
size_t px = player_x;
|
|
size_t py = player_y;
|
|
size_t topbottom_left_cx = px + 1;
|
|
size_t topbottom_right_cx = px + TILE_SIDE - 1 - 1;
|
|
size_t top_cy = py - 1;
|
|
size_t bottom_cy = py + TILE_SIDE;
|
|
|
|
on_ground = false;
|
|
if (solid_tile(topbottom_left_cx, bottom_cy) ||
|
|
solid_tile(topbottom_right_cx, bottom_cy)) {
|
|
on_ground = true;
|
|
if (player_dy > 0) {
|
|
jumping = false;
|
|
size_t snapped_py = py / TILE_SIDE * TILE_SIDE;
|
|
player_y = snapped_py;
|
|
}
|
|
}
|
|
if ((solid_tile(topbottom_left_cx, top_cy) ||
|
|
solid_tile(topbottom_right_cx, top_cy)) &&
|
|
player_dy < 0) {
|
|
size_t snapped_py = (py + TILE_SIDE - 1) / TILE_SIDE * TILE_SIDE;
|
|
player_y = snapped_py;
|
|
in_jump = jump_duration;
|
|
jump_start_y = player_y + jump_maxheight;
|
|
}
|
|
|
|
px = player_x;
|
|
py = player_y;
|
|
size_t left_cx = px - 1;
|
|
size_t right_cx = px + TILE_SIDE;
|
|
size_t leftright_top_cy = py;
|
|
size_t leftright_bottom_cy = py + TILE_SIDE - 3; //XXX: proper handling of snapping
|
|
if ((solid_tile(left_cx, leftright_top_cy) ||
|
|
solid_tile(left_cx, leftright_bottom_cy)) &&
|
|
player_dx < 0) {
|
|
size_t snapped_px = (px + TILE_SIDE - 1) / TILE_SIDE * TILE_SIDE;
|
|
player_x = snapped_px;
|
|
player_dx = 0;
|
|
}
|
|
if ((solid_tile(right_cx, leftright_top_cy) ||
|
|
solid_tile(right_cx, leftright_bottom_cy)) &&
|
|
player_dx > 0) {
|
|
size_t snapped_px = px / TILE_SIDE * TILE_SIDE;
|
|
player_x = snapped_px;
|
|
player_dx = 0;
|
|
}
|
|
|
|
// Touching tiles
|
|
size_t midpoint_x = player_x + TILE_SIDE / 2;
|
|
size_t midpoint_y = player_y + TILE_SIDE / 2;
|
|
switch(sample_tilemap(midpoint_x, midpoint_y)) {
|
|
case '!':
|
|
stages_beat[selection_index] = true;
|
|
if (selection_index + 1 < stages_num)
|
|
selection_index++;
|
|
game_mode = TITLESCREEN;
|
|
initialize();
|
|
return;
|
|
case 'A':
|
|
switches_state = SWITCH1;
|
|
break;
|
|
case 'B':
|
|
switches_state = SWITCH2;
|
|
break;
|
|
case 'C':
|
|
switches_state = SWITCH3;
|
|
break;
|
|
case 'D':
|
|
switches_state = SWITCH4;
|
|
break;
|
|
case 'N':
|
|
switches_state = ALL_OFF;
|
|
}
|
|
}
|
|
|
|
static void update_titlescreen(struct timespec now, struct timespec dt_timespec) {
|
|
(void) now;
|
|
(void) dt_timespec;
|
|
if (keys_released && left_held && selection_index > 0)
|
|
selection_index--;
|
|
if (keys_released && right_held && selection_index + 1 < stages_num)
|
|
selection_index++;
|
|
if (keys_released && jump_held)
|
|
stage_selected = true;
|
|
if (!left_held && !right_held && !jump_held)
|
|
keys_released = true;
|
|
else
|
|
keys_released = false;
|
|
if (stage_selected && keys_released) {
|
|
game_mode = STAGE;
|
|
initialize();
|
|
}
|
|
}
|
|
|
|
static void update(struct timespec now, struct timespec dt_timespec) {
|
|
if (rebind_state != PLAYING) return;
|
|
switch (game_mode) {
|
|
case TITLESCREEN: update_titlescreen(now, dt_timespec); break;
|
|
case STAGE: update_stage(now, dt_timespec); break;
|
|
default: printf("game_mode %i\n", game_mode);
|
|
}
|
|
}
|
|
|
|
static void draw_tile(enum palette tile[], size_t x, size_t y) {
|
|
assert(x + TILE_SIDE <= PLAYFIELD_SIDE);
|
|
assert(y + TILE_SIDE <= PLAYFIELD_SIDE);
|
|
for (size_t ty = 0; ty < TILE_SIDE; ty++) {
|
|
for (size_t tx = 0; tx < TILE_SIDE; tx++) {
|
|
enum palette pixel = tile[ty * TILE_SIDE + tx];
|
|
if (pixel != BG)
|
|
playfield[(y + ty) * PLAYFIELD_SIDE + x + tx] = pixel;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void draw_tiles(void) {
|
|
assert(strlen(tilemap) == TILES * TILES);
|
|
for (size_t ty = 0; ty < TILES; ty++) {
|
|
for (size_t tx = 0; tx < TILES; tx++) {
|
|
enum palette *tile = NULL;
|
|
switch(tilemap[ty * TILES + tx]) {
|
|
case 'g': tile = grass_tile; break;
|
|
case 'd': tile = dirt_tile; break;
|
|
case '!': tile = flag_tile; break;
|
|
case 'A': tile = switches_state == SWITCH1 ? switch1_on_tile : switch1_off_tile; break;
|
|
case 'B': tile = switches_state == SWITCH2 ? switch2_on_tile : switch2_off_tile; break;
|
|
case 'C': tile = switches_state == SWITCH3 ? switch3_on_tile : switch3_off_tile; break;
|
|
case 'D': tile = switches_state == SWITCH4 ? switch4_on_tile : switch4_off_tile; break;
|
|
case 'N': tile = switches_state == ALL_OFF ? switch0_on_tile : switch0_off_tile; break;
|
|
case '1': tile = switches_state == SWITCH1 ? tile1_on_tile : tile1_off_tile; break;
|
|
case '2': tile = switches_state == SWITCH2 ? tile2_on_tile : tile2_off_tile; break;
|
|
case '3': tile = switches_state == SWITCH3 ? tile3_on_tile : tile3_off_tile; break;
|
|
case '4': tile = switches_state == SWITCH4 ? tile4_on_tile : tile4_off_tile; break;
|
|
}
|
|
if (tile)
|
|
draw_tile(tile, tx * TILE_SIDE, ty * TILE_SIDE);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void draw_stage(struct timespec now) {
|
|
draw_tiles();
|
|
if (right_held && now.tv_nsec % 500000000L < 250000000L && on_ground)
|
|
draw_tile(player_walk2_tile, player_x, player_y);
|
|
else if (right_held)
|
|
draw_tile(player_walk1_tile, player_x, player_y);
|
|
else if (left_held && now.tv_nsec % 500000000L < 250000000L && on_ground)
|
|
draw_tile(player_walk2_tile_reversed, player_x, player_y);
|
|
else if (left_held)
|
|
draw_tile(player_walk1_tile_reversed, player_x, player_y);
|
|
else
|
|
draw_tile(player_stand_tile, player_x, player_y);
|
|
}
|
|
|
|
static void draw_titlescreen(struct timespec now) {
|
|
(void) now;
|
|
for (size_t i = 0; i < stages_num; i++) {
|
|
size_t x = i * TILE_SIDE + TILE_SIDE;
|
|
size_t y = 0;
|
|
if (stages_beat[i])
|
|
draw_tile(star_tile, x, y);
|
|
}
|
|
if (stages_num >= 1) draw_tile(stage1_tile, 1 * TILE_SIDE, TILE_SIDE);
|
|
if (stages_num >= 2) draw_tile(stage2_tile, 2 * TILE_SIDE, TILE_SIDE);
|
|
if (stages_num >= 3) draw_tile(stage3_tile, 3 * TILE_SIDE, TILE_SIDE);
|
|
if (stages_num >= 4) draw_tile(stage4_tile, 4 * TILE_SIDE, TILE_SIDE);
|
|
if (stages_num >= 5) draw_tile(stage5_tile, 5 * TILE_SIDE, TILE_SIDE);
|
|
if (stages_num >= 6) draw_tile(stage6_tile, 6 * TILE_SIDE, TILE_SIDE);
|
|
if (stages_num >= 7) draw_tile(stage7_tile, 7 * TILE_SIDE, TILE_SIDE);
|
|
if (stages_num >= 8) draw_tile(stage8_tile, 8 * TILE_SIDE, TILE_SIDE);
|
|
size_t underline_y = 2 * TILE_SIDE + 1;
|
|
size_t underline_x = selection_index * TILE_SIDE + TILE_SIDE + 2;
|
|
for (size_t x = 0; x < TILE_SIDE - 4; x++)
|
|
playfield[underline_y * PLAYFIELD_SIDE + underline_x + x] = TEXT;
|
|
}
|
|
|
|
static void draw(struct timespec now) {
|
|
memset(playfield, 0, sizeof(playfield));
|
|
if (rebind_state == PLAYING) {
|
|
switch (game_mode) {
|
|
case TITLESCREEN: draw_titlescreen(now); break;
|
|
case STAGE: draw_stage(now); break;
|
|
default: printf("game_mode %i\n", game_mode);
|
|
}
|
|
} else {
|
|
draw_tile(rebind_rebind1_tile, 0 * TILE_SIDE, 0);
|
|
draw_tile(rebind_rebind2_tile, 1 * TILE_SIDE, 0);
|
|
draw_tile(rebind_rebind3_tile, 2 * TILE_SIDE, 0);
|
|
switch (rebind_state) {
|
|
case LEFT:
|
|
draw_tile(rebind_left1_tile, 3 * TILE_SIDE, 0);
|
|
draw_tile(rebind_left2_tile, 4 * TILE_SIDE, 0);
|
|
break;
|
|
case RIGHT:
|
|
draw_tile(rebind_right1_tile, 3 * TILE_SIDE, 0);
|
|
draw_tile(rebind_right2_tile, 4 * TILE_SIDE, 0);
|
|
break;
|
|
case JUMP:
|
|
draw_tile(rebind_jump1_tile, 3 * TILE_SIDE, 0);
|
|
draw_tile(rebind_jump2_tile, 4 * TILE_SIDE, 0);
|
|
break;
|
|
case REBIND:
|
|
draw_tile(rebind_rebind1_alt_tile, 3 * TILE_SIDE, 0);
|
|
draw_tile(rebind_rebind2_tile, 4 * TILE_SIDE, 0);
|
|
draw_tile(rebind_rebind3_tile, 5 * TILE_SIDE, 0);
|
|
break;
|
|
default:
|
|
printf("rebind_state %i\n", rebind_state);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void load_stages(char *path) {
|
|
FILE *f = fopen(path, "r");
|
|
if (!f)
|
|
err(1, "%s", path);
|
|
|
|
stages_num = 0;
|
|
|
|
bool in_comment = true;
|
|
size_t linenum = 0;
|
|
size_t stage_fill = 0;
|
|
char *stage[10];
|
|
while (true) {
|
|
linenum++;
|
|
char *line = NULL;
|
|
size_t size = 0;
|
|
ssize_t length = getline(&line, &size, f);
|
|
if (length < 0) {
|
|
break;
|
|
free(line);
|
|
}
|
|
if (line[length - 1] == '\n') {
|
|
line[length - 1] = 0;
|
|
length--;
|
|
}
|
|
if (!strcmp(line, "----------")) {
|
|
if (in_comment) {
|
|
in_comment = false;
|
|
continue;
|
|
} else {
|
|
if (stages_num == STAGES)
|
|
errx(1, "%s: %zu: Too many stages (maximum %zu)", path, linenum, (size_t)STAGES);
|
|
free(line);
|
|
if (stage_fill < 10)
|
|
errx(1, "%s: %zu: Not enough lines for a stage (expected 10, got %zu)", path, linenum, stage_fill);
|
|
char *stage_str;
|
|
asprintf(&stage_str, "%s%s%s%s%s%s%s%s%s%s", stage[0], stage[1], stage[2], stage[3], stage[4], stage[5], stage[6], stage[7], stage[8], stage[9]);
|
|
stages[stages_num++] = stage_str;
|
|
for (size_t i = 0; i < stage_fill; i++)
|
|
free(stage[i]);
|
|
stage_fill = 0;
|
|
continue;
|
|
}
|
|
} else if (stage_fill == 10)
|
|
errx(1, "%s: %zu: Too many lines for a stage (expected 10)", path, linenum);
|
|
if (in_comment)
|
|
free(line);
|
|
else if (length < 10)
|
|
errx(1, "%s: %zu: Line too short (expected 10 character, got %zd)", path, linenum, length);
|
|
else if (length > 10)
|
|
errx(1, "%s: %zu: Line too long (expected 10 character, got %zd)", path, linenum, length);
|
|
else
|
|
stage[stage_fill++] = line;
|
|
}
|
|
|
|
if (stage_fill) {
|
|
if (stages_num == STAGES)
|
|
errx(1, "%s: %zu: Too many stages (maximum %zu)", path, linenum, (size_t)STAGES);
|
|
if (stage_fill < 10)
|
|
errx(1, "%s: %zu: Not enough lines for a stage (expected 10, got %zu)", path, linenum, stage_fill);
|
|
char *stage_str;
|
|
asprintf(&stage_str, "%s%s%s%s%s%s%s%s%s%s", stage[0], stage[1], stage[2], stage[3], stage[4], stage[5], stage[6], stage[7], stage[8], stage[9]);
|
|
stages[stages_num++] = stage_str;
|
|
for (size_t i = 0; i < stage_fill; i++)
|
|
free(stage[i]);
|
|
}
|
|
|
|
if (!stages_num)
|
|
errx(1, "%s: Bundle did not contain any stages", path);
|
|
|
|
fclose(f);
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
if (argc == 1) {
|
|
stages_num = sizeof(builtin_stages) / sizeof(*builtin_stages);
|
|
for (size_t i = 0; i < stages_num; i++) {
|
|
stages[i] = builtin_stages[i];
|
|
}
|
|
} else if (argc == 2)
|
|
load_stages(argv[1]);
|
|
else {
|
|
printf("Usage: %s [/path/to/stage-bundle]\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
struct display_connection *connection = display_connect_default();
|
|
if (!connection && errno == ECONNREFUSED)
|
|
display_spawn(argc, argv);
|
|
if (!connection)
|
|
err(1, "Could not connect to display server");
|
|
|
|
display_create_window(connection, main_window);
|
|
display_resize_window(connection, main_window, window_width, window_height);
|
|
display_show_window(connection, main_window);
|
|
|
|
struct display_event_handlers handlers = {0};
|
|
handlers.disconnect_handler = on_disconnect;
|
|
handlers.keyboard_handler = on_keyboard;
|
|
handlers.quit_handler = on_quit;
|
|
handlers.resize_handler = on_resize;
|
|
|
|
uint32_t palette_colours[] = {
|
|
[BG] = make_color(128, 128, 255),
|
|
[TEXT] = make_color(255, 255, 255),
|
|
[PLAYER_OUTLINE] = make_color(0, 0, 0),
|
|
[PLAYER_SKIN] = make_color(180, 100, 64),
|
|
[PLAYER_EYE] = make_color(255, 255, 255),
|
|
[GRASS_TOP] = make_color(0, 220, 0),
|
|
[GRASS_BROWN] = make_color(200, 128, 0),
|
|
[GRASS_DARK] = make_color(100, 64, 0),
|
|
[FLAG_STEM] = make_color(0, 0, 0),
|
|
[FLAG_FLAG] = make_color(255, 0, 0),
|
|
[SWITCH_SWITCH] = make_color(200, 64, 0),
|
|
[TILE1] = make_color(0, 255, 0),
|
|
[TILE2] = make_color(0, 0, 255),
|
|
[TILE3] = make_color(255, 0, 0),
|
|
[TILE4] = make_color(255, 255, 0),
|
|
[STAR_STAR] = make_color(255, 255, 0),
|
|
};
|
|
|
|
long fps_cap = 100;
|
|
struct timespec min_dt = timespec_make(0, 1000L * 1000L * 1000L / fps_cap);
|
|
struct timespec last_frame;
|
|
clock_gettime(CLOCK_MONOTONIC, &last_frame);
|
|
|
|
initialize();
|
|
|
|
int fps = 0;
|
|
while (game_running) {
|
|
struct timespec now;
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
struct timespec dt = timespec_sub(now, last_frame);
|
|
if (timespec_lt(dt, min_dt)) {
|
|
struct timespec sleep = timespec_sub(min_dt, dt);
|
|
nanosleep(&sleep, NULL);
|
|
continue;
|
|
}
|
|
|
|
if (last_frame.tv_sec != now.tv_sec) {
|
|
char *title = NULL;
|
|
asprintf(&title, "Switcher (%i fps)", fps);
|
|
display_title_window(connection, main_window, title);
|
|
free(title);
|
|
fps = 0;
|
|
} else
|
|
fps++;
|
|
|
|
update(now, dt);
|
|
draw(now);
|
|
|
|
size_t pixels;
|
|
if (__builtin_mul_overflow(window_width, window_height, &pixels))
|
|
errx(1, "Window size too big");
|
|
uint32_t *framebuffer = calloc(pixels, sizeof(uint32_t));
|
|
|
|
uint32_t shorter_side = window_height < window_width ? window_height : window_width;
|
|
size_t y_offset = (window_height - shorter_side) / 2;
|
|
size_t x_offset = (window_width - shorter_side) / 2;
|
|
for (size_t y = 0; y < window_height; y++) {
|
|
for (size_t x = 0; x < window_width; x++) {
|
|
if (y < y_offset || x < x_offset ||
|
|
y >= y_offset + shorter_side || x >= x_offset + shorter_side)
|
|
framebuffer[y * window_width + x] = make_color_a(0, 0, 0, 200);
|
|
else {
|
|
size_t pf_x = (x - x_offset) * PLAYFIELD_SIDE / shorter_side;
|
|
size_t pf_y = (y - y_offset) * PLAYFIELD_SIDE / shorter_side;
|
|
uint32_t colour = palette_colours[playfield[pf_y * PLAYFIELD_SIDE + pf_x]];
|
|
framebuffer[y * window_width + x] = colour;
|
|
}
|
|
}
|
|
}
|
|
display_render_window(connection, main_window, 0, 0, window_width, window_height, framebuffer);
|
|
free(framebuffer);
|
|
|
|
while (!display_poll_event(connection, &handlers));
|
|
|
|
last_frame = now;
|
|
}
|
|
|
|
display_disconnect(connection);
|
|
|
|
return 0;
|
|
}
|