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#ifndef INCLUDE_ALL_C
#define INCLUDE_ALL_C
#include <stddef.h>
#include <stdint.h>
#include "types.c"
#include "levels.c"
#include "tick.c"
static const Color colors[N_COLORS][4] = {
{
{255, 255, 255, 255},
{255, 255, 255, 255},
{255, 255, 255, 255},
{255, 255, 255, 255},
},
{
{0, 0, 0, 255},
{0, 0, 0, 255},
{0, 0, 0, 255},
{0, 0, 0, 255},
},
{
{255, 0, 0, 255},
{255, 0, 0, 255},
{255, 0, 0, 255},
{255, 0, 0, 255},
},
{
{255, 255, 0, 255},
{255, 255, 0, 255},
{255, 255, 0, 255},
{255, 255, 0, 255},
},
{
{255, 0, 0, 255},
{255, 0, 0, 255},
{255, 255, 0, 255},
{255, 255, 0, 255},
},
{
{255, 255, 0, 255},
{255, 255, 0, 255},
{255, 0, 0, 255},
{255, 0, 0, 255},
},
{
{255, 0, 0, 255},
{255, 255, 0, 255},
{255, 0, 0, 255},
{255, 255, 0, 255},
},
{
{255, 255, 0, 255},
{255, 0, 0, 255},
{255, 255, 0, 255},
{255, 0, 0, 255},
},
{
{0, 0, 255, 255},
{0, 0, 255, 255},
{0, 0, 255, 255},
{0, 0, 255, 255},
},
{
{0, 0, 255, 255},
{0, 0, 255, 255},
{255, 255, 255, 255},
{255, 255, 255, 255},
},
{
{255, 255, 255, 255},
{255, 255, 255, 255},
{0, 0, 255, 255},
{0, 0, 255, 255},
},
{
{0, 0, 255, 255},
{255, 255, 255, 255},
{0, 0, 255, 255},
{255, 255, 255, 255},
},
{
{255, 255, 255, 255},
{0, 0, 255, 255},
{255, 255, 255, 255},
{0, 0, 255, 255},
},
};
static DrawList *render(State *state, UI *ui, Arena *a) {
(void) ui;
DrawList *drawList = new(a, 1, DrawList);
int cellWidth = ui->width / GRIDWIDTH;
int cellHeight = ui->height / GRIDHEIGHT;
for (int x = 0; x < GRIDWIDTH; x++) {
for (int y = 0; y < GRIDHEIGHT; y++) {
drawList->els[drawList->len++] = (DrawElement) {
.x = cellWidth * x,
.y = cellHeight * y,
.w = cellWidth,
.h = cellHeight,
.fill = {0, 0, 0, 0},
.border = {0, 0, 0, 255},
};
for (int subx = 0; subx < 2; subx++) {
for (int suby = 0; suby < 2; suby++) {
drawList->els[drawList->len++] = (DrawElement) {
.x = cellWidth * x + subx * cellWidth / 2,
.y = cellHeight * y + suby * cellHeight / 2,
.w = cellWidth / 2,
.h = cellHeight / 2,
.fill = colors[state->grid[x + GRIDWIDTH * y]][subx + 2 * suby],
.border = {0, 0, 0, 0},
};
}
}
}
}
drawList->els[drawList->len++] = (DrawElement) {
.x = cellWidth * state->goalx,
.y = cellHeight * state->goaly,
.w = cellWidth,
.h = cellHeight,
.fill = {255, 0, 0, 63},
.border = {255, 0, 0, 255},
};
return drawList;
}
static void update(Game *game, uint64_t now, Arena a) {
switch (game->input) {
int x, y;
case INPUT_CLICK:
x = game->mousex * GRIDWIDTH / game->ui.width;
y = game->mousey * GRIDHEIGHT / game->ui.height;
game->state.grid[x + y * GRIDWIDTH] = (game->state.grid[x + y * GRIDWIDTH] + 1) % (sizeof(colors) / sizeof(colors[0]));
break;
case INPUT_RCLICK:
x = game->mousex * GRIDWIDTH / game->ui.width;
y = game->mousey * GRIDHEIGHT / game->ui.height;
game->state.grid[x + y * GRIDWIDTH] = EMPTY;
break;
case INPUT_PAUSE_PLAY:
game->state.playing = !game->state.playing;
break;
default:
break;
}
if (game->state.playing && game->state.lastTick + TICK_LENGTH <= now) {
game->state.lastTick = now;
tick(game, a);
}
}
#if SDL
#include <SDL3/SDL.h>
int main(int argc, char **argv) {
(void) argc;
(void) argv;
char *mem = SDL_malloc(MEM_SIZE);
Arena a = {
.start = mem,
.end = mem + MEM_SIZE,
};
Game *game = new(&a, 1, Game);
xmemcpy(&game->state.grid, &levels[0].grid, sizeof(game->state.grid));
game->state.goalx = levels[0].goalx;
game->state.goaly = levels[0].goaly;
game->state.playing = 0;
game->ui = (UI) {
.width = 640,
.height = 480,
};
SDL_Init(SDL_INIT_VIDEO);
SDL_Window *w = SDL_CreateWindow(
"LDJam 57",
game->ui.width,
game->ui.height,
SDL_WINDOW_RESIZABLE
);
SDL_PropertiesID renderProps = SDL_CreateProperties();
SDL_SetPointerProperty(renderProps, SDL_PROP_RENDERER_CREATE_WINDOW_POINTER, w);
SDL_SetNumberProperty(renderProps, SDL_PROP_RENDERER_CREATE_PRESENT_VSYNC_NUMBER, 1);
SDL_Renderer *r = SDL_CreateRendererWithProperties(renderProps);
SDL_DestroyProperties(renderProps);
SDL_SetRenderDrawBlendMode(r, SDL_BLENDMODE_BLEND);
for (;;) {
uint64_t now = SDL_GetTicks();
game->input = INPUT_NONE;
SDL_Event e = {0};
while (SDL_PollEvent(&e)) {
switch (e.type) {
case SDL_EVENT_QUIT:
return 0;
case SDL_EVENT_MOUSE_BUTTON_DOWN:
game->mousex = (int) e.button.x;
game->mousey = (int) e.button.y;
if (e.button.button == 1) {
game->input = INPUT_CLICK;
} else if (e.button.button == 3) {
game->input = INPUT_RCLICK;
}
break;
case SDL_EVENT_KEY_DOWN:
switch (e.key.key) {
case SDLK_SPACE:
game->input = INPUT_PAUSE_PLAY;
break;
}
break;
case SDL_EVENT_WINDOW_RESIZED:
SDL_GetWindowSize(w, &game->ui.width, &game->ui.height);
break;
}
}
Arena scratch = a;
DrawList *drawList = render(&game->state, &game->ui, &scratch);
SDL_SetRenderDrawColor(r, 0, 0, 0, 255);
SDL_RenderFillRect(r, NULL);
for (int i = 0; i < drawList->len; i++) {
SDL_FRect rect = {
.x = (float) drawList->els[i].x,
.y = (float) drawList->els[i].y,
.w = (float) drawList->els[i].w,
.h = (float) drawList->els[i].h
};
SDL_SetRenderDrawColor(
r,
drawList->els[i].fill.r,
drawList->els[i].fill.g,
drawList->els[i].fill.b,
drawList->els[i].fill.a
);
SDL_RenderFillRect(r, &rect);
SDL_SetRenderDrawColor(
r,
drawList->els[i].border.r,
drawList->els[i].border.g,
drawList->els[i].border.b,
drawList->els[i].border.a
);
SDL_RenderRect(r, &rect);
}
update(game, now, a);
SDL_RenderPresent(r);
}
return 0;
}
#elif WASM
static Game *game;
static Arena perm;
__attribute((export_name("game_init")))
void game_init(void) {
static char heap[MEM_SIZE];
perm.start = heap;
perm.end = heap + MEM_SIZE;
game = new(&perm, 1, Game);
game->state.grid[0] = 1;
}
__attribute((export_name("game_render")))
DrawList *game_render(int width, int height) {
game->ui.width = width;
game->ui.height = height;
Arena scratch = perm;
return render(&game->state, &game->ui, &scratch);
}
__attribute((export_name("game_update")))
void game_update(int input, int mousex, int mousey, int now) {
game->input = input;
game->mousex = mousex;
game->mousey = mousey;
update(game, now, perm);
}
#endif
#endif
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