ascension: comparison test/snake/snake.c

-:1315ac4d1368
+:2649d04f0287
 #define SHADER_ID_PLAYER 1
 #define BACKDROP_SCENE asc_window_scene(0)
 #define MAIN_SCENE asc_window_scene(1)
 #define HUD_WIDTH 400
 enum MoveDirection {
 MOVE_UP,
 MOVE_LEFT,
 asc_active_window->dimensions.y - ((AscText*)node)->dimension.height - 10
 ));
 }
 }
-static void fps_counter_create(void) {
+static AscSceneNode *fps_counter_create(void) {
 AscSceneNode *node = asc_text(
 .name = "FPS Counter",
 .color = ASC_RGB(1, 1, 1),
 .font = asc_font(ASC_FONT_REGULAR, 12),
 );
 asc_behavior_add(node, .func = fps_counter_update, .interval = asc_seconds(1));
 asc_behavior_add(node, fps_counter_tie_to_corner);
 asc_ui_add_node(node);
+return node;
 }
 static GameField *game_field;
 }
 int new_owner = game_field->tile_data[x][y] & GAME_FIELD_TILE_OWNER_MASK;
 return old_owner != new_owner;
 }
-static void game_field_create() {
+static GameField *game_field_create() {
 // TODO: create a more interesting map than just a basic grid
 AscSceneNode *node = asc_scene_node_empty();
 game_field = asc_scene_node_allocate_data(node, sizeof(GameField));
 for (unsigned x = 0; x < GAME_FIELD_SIZE; x++) {
 for (unsigned y = 0; y < GAME_FIELD_SIZE; y++) {
 asc_scene_node_link(node, tile);
 }
 }
 asc_scene_node_set_zindex(node, -2);
 asc_scene_add_node(MAIN_SCENE, node);
+return game_field;
 }
 static asc_vec2u game_field_tile_at_position(asc_vec3f position) {
 return ASC_VEC2U((int)position.x / GAME_FIELD_TILE_SIZE, (int)position.y / GAME_FIELD_TILE_SIZE);
 }
 }
 }
 }
 }
+static void player_controls(Player *player) {
+if (asc_key_pressed(ASC_KEY(LEFT))) {
+if (player->direction != MOVE_RIGHT) {
+player->target_direction = MOVE_LEFT;
+}
+}
+if (asc_key_pressed(ASC_KEY(RIGHT))) {
+if (player->direction != MOVE_LEFT) {
+player->target_direction = MOVE_RIGHT;
+}
+}
+if (asc_key_pressed(ASC_KEY(UP))) {
+if (player->direction != MOVE_DOWN) {
+player->target_direction = MOVE_UP;
+}
+}
+if (asc_key_pressed(ASC_KEY(DOWN))) {
+if (player->direction != MOVE_UP) {
+player->target_direction = MOVE_DOWN;
+}
+}
+}
 static void player_position(Player *pl, int x, int y) {
 pl->new_position.x = x;
 pl->new_position.y = y;
 pl->reset_position = true;
 }
 // Set the viewport to the scaled and centered region
 return ASC_RECT(offset_x, offset_y, viewport_size, viewport_size);
 }
+#define GAME_STATE_MENU 0
+#define GAME_STATE_PLAYING 1
+#define GAME_STATE_GAME_OVER 2
+typedef struct {
+int state;
+GameField *field;
+Player *players[4];
+} GameState;
 int main(void) {
 asc_context_initialize();
 if (asc_has_error()) {
 SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
 "Fatal Error",asc_get_error(), NULL);
 ),
 .viewport_clear = true,
 .clear_color = ASC_RGBi(0, 32, 16),
 .viewport_update_func = main_scene_viewport_update
 );
-// backdrop for letterbox/pillarbox
 backdrop_create();
-// the game field
+// create the fps counter
-game_field_create();
+AscSceneNode *fps_counter = fps_counter_create();
+asc_scene_node_hide(fps_counter);
-// create UI elements
-fps_counter_create();
+// create the game state
+GameState game = {0};
-// create player
+// TODO: add a main menu and start with the menu
-Player *player = player_create();
+game.state = GAME_STATE_PLAYING;
+game.field = game_field_create();
+game.players[0] = player_create();
 // Main Loop
 do {
 // quit application on any error
 if (asc_has_error()) {
 asc_active_window->window);
 asc_clear_error();
 asc_context_quit();
 }
-// player rotation
+// game states
-if (asc_key_pressed(ASC_KEY(LEFT))) {
+if (game.state == GAME_STATE_PLAYING) {
-if (player->direction != MOVE_RIGHT) {
+// TODO: implement hot seat 1on1 multiplayer
-player->target_direction = MOVE_LEFT;
+player_controls(game.players[0]);
-}
-}
-if (asc_key_pressed(ASC_KEY(RIGHT))) {
-if (player->direction != MOVE_LEFT) {
-player->target_direction = MOVE_RIGHT;
-}
-}
-if (asc_key_pressed(ASC_KEY(UP))) {
-if (player->direction != MOVE_DOWN) {
-player->target_direction = MOVE_UP;
-}
-}
-if (asc_key_pressed(ASC_KEY(DOWN))) {
-if (player->direction != MOVE_UP) {
-player->target_direction = MOVE_DOWN;
-}
 }
 // debug-key for clearing the shader registry
 if (asc_key_pressed(ASC_KEY(S))) {
 asc_shader_clear_registry();
 asc_dprintf("Shader cache cleared.");
 }
+// show/hide the FPS counter
+if (asc_key_pressed(ASC_KEY(F2))) {
+asc_scene_node_toggle_visibility(fps_counter);
+}
 // quit application on ESC key press
 if (asc_key_pressed(ASC_KEY(ESCAPE))) {
 asc_context_quit();
 }
 } while (asc_loop_next());

Mercurial > hg > ascension / file comparison

comparison: test/snake/snake.c

test/snake/snake.c