Disabled external gits

2022-04-07 18:46:57 +02:00
parent 88cb3426ad
commit 15e7120d6d
5316 changed files with 4563444 additions and 6 deletions
--- a/ee310-mes/source/engine.c
+++ b/ee310-mes/source/engine.c
--- a/ee310-mes/source/engine.h
+++ b/ee310-mes/source/engine.h
@@ -0,0 +1,174 @@
+#pragma once
+
+/**
+ * @file engine.h
+ * @author C. Hölzl
+ * @brief engine header file
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <nds.h>
+#include <string.h>
+
+#include "utils.h"
+
+/*
+ * Macros
+ */
+
+/*
+ * Type definitions
+ */
+
+typedef enum {
+    QUIT = -1, // QUIT GAME
+    RUN = 0, // RUNNING GAME
+    CONNECT, //CONNECTION TO SERVER
+    WAIT, // WAITING FOR SERVER // WAITING FOR ????
+    DEADLOCK, //SERVER BROKEN ????
+    LOAD, // LOADING LEVEL // WAITING FOR GEN
+    TIMEOUT, // TIMEOUT FROM SERVER
+    FINISHED //LOCAL GAME
+} gs_t;
+
+
+typedef enum {END = -1, START, MENU, SOLO, MULTI, GUIDE, CREDITS, RANKING} gt_t; //game state type
+
+
+typedef enum {UNKNOWN = -1, UP, DOWN, LEFT, RIGHT,
+              INTERACT, INTERACT_PICKUP, INTERACT_DROP, INTERACT_EXIT, TAUNT
+             } action_t;
+
+typedef enum { SWALL = 0b00000000000000000000000000000001,
+               NWALL = 0b00000000000000000000000000000010,
+               WWALL = 0b00000000000000000000000000000100,
+               EWALL = 0b00000000000000000000000000001000,
+               RTRAP = 0b00000000000000000000000000010000,
+               RSLOT = 0b00000000111111110000000000000000,
+               RPART = 0b11111111000000000000000000000000,
+               REXIT = 0b00000000000000001000000000000000
+             } room_elements;
+
+#define BOX_ROOM (NWALL | SWALL | EWALL | WWALL | RTRAP | REXIT)
+
+typedef u8 part_t;
+
+typedef u32 room_t;
+
+typedef struct {
+    room_t *list;
+    u32 size;
+    s32 slot_left;
+    u32 level;
+} maze_t ;
+
+#define MAZE_SIZE 1 //Size of Maze To Generate
+#define DIFINC 2 //Size of Maze Increase Multiplier (exponential)
+#define MAX_MAZE_SIZE 8 //Max Size to Exit
+
+#define FOV 60
+
+#define ROOM_SIZE 11
+#define DOOR_SIZE (ROOM_SIZE/4)
+#define DOOR_OFFSET ((ROOM_SIZE-DOOR_SIZE)/2)
+#define ELEM_SIZE 4
+
+
+typedef struct {
+    float32 x;
+    float32 y;
+    float32 r;
+}   position_t;
+
+typedef struct {
+    s32 x;
+    s32 y;
+    position_t pos;
+    room_t room;
+    char name[NAME_LEN + 1];
+    part_t part;
+    u8 taunt;
+} player_t;
+
+typedef struct {
+    s8 x;
+    s8 y;
+}   net_position_t;
+
+typedef struct {
+    s32 x;
+    s32 y;
+    net_position_t pos;
+    room_t room;
+    char name[NAME_LEN + 1];
+    part_t part;
+    u8 taunt;
+} net_player_t;
+
+
+typedef struct {
+    maze_t* maze;
+    player_t* player;
+} game_t;
+
+/*
+ * Functions
+ */
+
+u8 check_room_has_element(const room_t room, const room_elements element);
+
+u8 check_player_has_part(const player_t* const player);
+
+part_t get_slot_id(const room_t room);
+
+part_t get_part_id(const room_t room);
+
+void add_element_to_idx(maze_t* const maze, s16 x, s16 y, const room_elements element, const part_t p, const uint8_t c);
+
+room_t* get_room_from_idx(const maze_t* const maze, s32 x, s32 y);
+
+maze_t* maze_init(const s16 size, const u8 pop);
+
+maze_t* maze_init_wr();
+
+void free_maze(maze_t* maze);
+
+maze_t* alloc_maze(s16 size);
+
+void print_maze(maze_t* maze, player_t* player, char* path);
+
+u8 apply_action_pos(maze_t* maze, player_t* player, action_t action, gs_t* status);
+
+//u8 check_room_has_element(room_t room, room_elements element);
+
+room_t* get_player_current_room(const maze_t* const maze, const player_t* const player);
+
+void update_player_room(maze_t* maze, player_t* player);
+
+void move_player_to_random_room(player_t* player, s16 size);
+
+u8 is_wall(const s16 x, const s16 y, const room_t room);
+
+room_elements is_door(const s16 x, const s16 y, const room_t room);
+
+
+player_t* player_alloc();
+
+player_t* player_init(player_t* player, char* name, u32 maze_size);
+
+game_t* game_alloc();
+
+void game_reset(game_t* game, u32 next_lvl, char* name, gs_t* status);
+
+game_t* game_init(game_t* game, u32 dims, char* name, gs_t* status);
+
+void game_end(game_t* game);
+
+
+
+#ifdef __cplusplus
+}
+#endif
--- a/ee310-mes/source/graphics_engine.c
+++ b/ee310-mes/source/graphics_engine.c
@@ -0,0 +1,107 @@
+/**
+ * @file graphics_engine.c
+ */
+
+#include "graphics_engine.h"
+
+
+
+void init_graphics()
+{
+    lcdMainOnBottom();
+    configure_graphics_main();
+    configure_graphics_sub();
+    create_palette_main();
+    create_palette_sub();
+
+    create_object_sub();
+}
+
+void draw_title()
+{
+    draw_title_main();
+    draw_title_sub();
+}
+
+
+void draw_menu()
+{
+    draw_menu_main();
+    draw_title_sub();
+}
+
+
+void switch_mode(gmode_t mode)
+{
+    switch_mode_main(mode);
+    switch_mode_sub(mode);
+}
+
+void draw_game(const game_t* const game, const u32 time)
+{
+    draw_game_main(game, time);
+    draw_game_sub(&(game->player->pos), *get_player_current_room(game->maze, game->player), game->maze->slot_left);
+    //draw_game_multi_sub(*get_player_current_room(game->maze, game->player),game->maze->slot_left);
+    //draw_player_multi_sub(NULL,false);
+}
+
+void draw_game_multi(const room_t room, const part_t part, const u32 slot_left, const bool taunt)
+{
+    draw_game_multi_main(room, part, slot_left, taunt);
+    draw_game_multi_sub(room, slot_left);
+}
+
+
+void draw_loading()
+{
+    clear_main_text();
+    draw_message_main("Loading...");
+    draw_title_sub();
+}
+
+void draw_connecting()
+{
+    clear_main_text();
+    draw_message_main("Connecting...");
+    draw_title_sub();
+}
+
+
+void draw_warning(char* str){
+	draw_warning_main(str);
+}
+
+void draw_message(char* str){
+	draw_message_main(str);
+}
+
+void clear_message(){
+	clear_message_main();
+}
+
+void draw_guide()
+{
+    draw_guide_main();
+}
+
+
+void draw_credits()
+{
+    draw_credits_main();
+}
+
+void draw_rank()
+{
+    draw_rank_main();
+}
+
+void draw_info(const room_t room, const part_t part, const u32 slot_left)
+{
+
+}
+
+
+void draw_player(const player_t* const player, const u8 same_dim)
+{
+
+}
--- a/ee310-mes/source/graphics_engine.h
+++ b/ee310-mes/source/graphics_engine.h
@@ -0,0 +1,43 @@
+#pragma once
+
+/**
+ * @file graphics_engine.h
+ * @author C. Hölzl
+ * @brief graphics_engine header file
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "engine.h"
+#include "graphics_main.h"
+#include "graphics_sub.h"
+#include "utils.h"
+
+void init_graphics();
+
+
+
+void draw_title();
+void draw_menu();
+void draw_room(const room_t room, const s16 left);
+void draw_info(const room_t room, const part_t part, const u32 slot_left);
+void draw_player(const player_t* const player, const u8 same_dim);
+void draw_game(const game_t* const game, const u32 time);
+void draw_game_multi(const room_t room, const part_t part, const u32 slot_left, const bool taunt);
+void draw_loading();
+void draw_connecting();
+void draw_guide();
+void draw_credits();
+void draw_rank();
+
+void switch_mode(gmode_t mode);
+void draw_message(char* msg);
+void draw_warning(char* msg);
+void clear_message();
+
+
+#ifdef __cplusplus
+}
+#endif
--- a/ee310-mes/source/graphics_main.c
+++ b/ee310-mes/source/graphics_main.c
@@ -0,0 +1,298 @@
+/**
+* @file engine.c
+* @brief Graphics engine
+*/
+#include <stdio.h>
+
+#include "graphics_main.h"
+#include "utils.h"
+
+#include "text.h"
+#include "title.h"
+#include "menu.h"
+
+
+#define TEXT_TILE_OFFSET_MAIN 7
+#define TEXT_TILE_MAP_MAIN BG_MAP_RAM(TEXT_TILE_OFFSET_MAIN)
+#define CLEAR_TEXT_TILE_MAP_MAIN() memset(TEXT_TILE_MAP_MAIN,0,32*48);
+
+#define TEXT_RENDERER_SIZE 100
+
+void clear_main_text(){
+	CLEAR_TEXT_TILE_MAP_MAIN();
+}
+
+//PrintConsole cs0;
+void configure_graphics_main()
+{
+    videoSetMode(MODE_5_2D);
+
+    vramSetBankA(VRAM_A_MAIN_BG_0x06000000);
+    vramSetBankB(VRAM_B_MAIN_BG_0x06020000);
+
+    //consoleInit(&cs0, 0, BgType_Text4bpp, BgSize_T_256x256, 14, 0, true, true);
+    bgInit(1, BgType_Text8bpp, BgSize_T_256x256, TEXT_TILE_OFFSET_MAIN, 0);
+    bgInit(2, BgType_Bmp8, BgSize_B8_256x256, 1, 0);
+
+    swiCopy(textTiles, BG_TILE_RAM(0), textTilesLen);
+    CLEAR_TEXT_TILE_MAP_MAIN();
+}
+
+
+void create_palette_main()
+{
+    vramSetBankH(VRAM_E_BG_EXT_PALETTE);
+    swiCopy(menuPal, BG_PALETTE, menuPalLen);
+    SET_PERSONAL_PALETTE(BG_PALETTE);
+}
+
+
+
+void switch_mode_main(gmode_t mode)
+{
+    switch (mode) {
+    case GGAME_ALT:
+    case GGAME:
+        CLEAR_TEXT_TILE_MAP_MAIN();
+        swiCopy(textPal, BG_PALETTE, textPalLen);
+        memset(BG_BMP_RAM(1), 0, SCREEN_WIDTH * SCREEN_HEIGHT);
+        break;
+
+    case GMENU:
+        CLEAR_TEXT_TILE_MAP_MAIN();
+        swiCopy(menuPal, BG_PALETTE, menuPalLen);
+        swiCopy(menuBitmap, BG_BMP_RAM(1), menuBitmapLen);
+        break;
+
+    default:
+        break;
+    }
+}
+
+void draw_text_at_idx(char* str, u32 top, u32 offset, textalign_t ta)
+{
+
+    u16 start = 0;
+
+    switch (ta) {
+    case TA_LEFT:
+        start = offset;
+        break;
+
+    case TA_RIGHT:
+        start = (32 - strlen(str)) - offset;
+        break;
+
+    case TA_CENTER:
+        start = (16 - strlen(str) / 2) + offset;
+        break;
+    }
+
+    u16 cc = 0;
+
+    for (cc = 0; cc < strlen(str); ++cc) {
+        TEXT_TILE_MAP_MAIN[top * 32 + start + cc] = char_to_tile(str[cc]);
+    }
+}
+
+
+void draw_title_main()
+{
+    draw_text_at_idx("> Press Start <", 6, 0, TA_CENTER);
+}
+
+
+void draw_menu_main()
+{
+}
+
+
+void draw_guide_main()
+{
+    draw_text_at_idx("You are in a Maze, looking for  the EXIT.", 1, 1, TA_LEFT);
+    draw_text_at_idx("To unlock the EXIT you need to  bring KEYS to LOCKS.", 4, 1, TA_LEFT);
+    draw_text_at_idx("In multiplayer, other players   might have a KEY or LOCK        matching your LOCK or KEY, use  SHARED rooms to exchange KEYS.", 7, 1, TA_LEFT);
+    draw_text_at_idx("Careful: a room can only have   one KEY at a time and you can   only carry one... Be smart !", 12, 1, TA_LEFT);
+
+    draw_text_at_idx("Good Luck in solving NFH !", 17, 0, TA_CENTER);
+
+
+    draw_text_at_idx("> Press Start <", 20, 0, TA_CENTER);
+}
+
+
+void draw_credits_main()
+{
+    draw_text_at_idx("Made by C. Holzl", 8, 0, TA_CENTER);
+
+    draw_text_at_idx("Music 'frozen26.exe'", 12,0, TA_CENTER);
+    draw_text_at_idx("by roz/rno @ ModArchive.org", 14,0, TA_CENTER);
+
+
+    draw_text_at_idx("> Press Start <", 20, 0, TA_CENTER);
+}
+
+void draw_rank_main()
+{
+    u32 i;
+
+    char text_renderer[TEXT_RENDERER_SIZE] = {0};
+    pscore_t* highscore = get_score();
+
+
+    draw_text_at_idx("NAME", 1, 4, TA_LEFT);
+    draw_text_at_idx("SCORE", 1, 4, TA_RIGHT);
+
+    for (i = 0; i < SCORE_TAB_SIZE; ++i) {
+        if (strnlen(highscore[i].name, NAME_LEN + 1) != 0 && highscore[i].time <= SECTIME_MAX_VALUE) {
+            snprintf(text_renderer, TEXT_RENDERER_SIZE, "%2s", highscore[i].name);
+            draw_text_at_idx(text_renderer, 3 + i, 4, TA_LEFT);
+
+            snprintf(text_renderer, TEXT_RENDERER_SIZE, "%04u", highscore[i].time);
+            draw_text_at_idx(text_renderer, 3 + i, 4, TA_RIGHT);
+        }
+    }
+
+    draw_text_at_idx("> Press Start <", 20, 0, TA_CENTER);
+}
+
+void draw_warning_main(char* str)
+{
+        memset(BG_BMP_RAM(1)+12*SCREEN_WIDTH, P_DARK_RED, SCREEN_WIDTH * 18);
+	draw_text_at_idx("- W A R N I N G -", 3, 0, TA_CENTER);
+	draw_text_at_idx(str, 4, 0, TA_CENTER);
+}
+
+void draw_message_main(char* str)
+{
+        memset(BG_BMP_RAM(1)+12*SCREEN_WIDTH, P_DARK_YELLOW, SCREEN_WIDTH * 18);
+	draw_text_at_idx("- I N F O -", 3, 0, TA_CENTER);
+	draw_text_at_idx(str, 4, 0, TA_CENTER);
+}
+
+
+void clear_message_main()
+{
+        memset(BG_BMP_RAM(1)+12*SCREEN_WIDTH, 0, SCREEN_WIDTH * 18);
+        memset(TEXT_TILE_MAP_MAIN+3*32,0, 32*2);
+}
+
+
+
+void print_room_content(char* text_renderer, const room_t room, const u16 slot_left, u8 top)
+{
+    u8 empty = true;
+
+    if (check_room_has_element(room, REXIT)) {
+        empty = false;
+        snprintf(text_renderer, TEXT_RENDERER_SIZE, "  EXIT(%02u)  ", slot_left);
+        draw_text_at_idx(text_renderer, top, 0, TA_CENTER);
+        ++top;
+    }
+
+    if (check_room_has_element(room, RPART)) { //INPUT()
+        empty = false;
+        snprintf(text_renderer, TEXT_RENDERER_SIZE, "  KEY(%02u)  ",  get_part_id(room));
+        draw_text_at_idx(text_renderer, top, 0, TA_CENTER);
+        ++top;
+    }
+
+    if (check_room_has_element(room, RSLOT)) { //OUTPUT()
+        empty = false;
+        snprintf(text_renderer, TEXT_RENDERER_SIZE, "  LOCK(%02u)  ",  get_slot_id(room));
+        draw_text_at_idx(text_renderer, top, 0, TA_CENTER);
+        ++top;
+    }
+
+    if (check_room_has_element(room, RTRAP)) {
+        empty = false;
+        snprintf(text_renderer, TEXT_RENDERER_SIZE, "   SHARED   ");
+        draw_text_at_idx(text_renderer, top, 0, TA_CENTER);
+        ++top;
+    }
+
+    if (empty == true) { //PRIVATE
+        snprintf(text_renderer, TEXT_RENDERER_SIZE, "   EMPTY   ");
+        draw_text_at_idx(text_renderer, top, 0, TA_CENTER);
+        ++top;
+    }
+}
+
+
+void draw_game_multi_main(const room_t room,const part_t part, const u16 slot_left, const bool taunt){
+	char text_renderer[TEXT_RENDERER_SIZE] = {0};
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "LEVEL: #");
+    draw_text_at_idx(text_renderer, 1, 1, TA_LEFT);
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "TIME: ####");
+    draw_text_at_idx(text_renderer, 1, 1, TA_RIGHT);
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "%s", taunt ? "T" : " ");
+    draw_text_at_idx(text_renderer, 1, 0, TA_CENTER);
+
+
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "ROOM CONTENT");
+    draw_text_at_idx(text_renderer, 6, 0, TA_CENTER);
+
+    print_room_content(text_renderer, room, slot_left, 8);
+
+    if (part > 0) {
+        snprintf(text_renderer, TEXT_RENDERER_SIZE, "CARRYING KEY: %02u (1/1)", part);
+    } else {
+        snprintf(text_renderer, TEXT_RENDERER_SIZE, "CARRYING KEY: -- (0/1) ");
+    }
+
+    draw_text_at_idx(text_renderer, 17, 1, TA_LEFT);
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "SLOTS LEFT: %02u", slot_left);
+    draw_text_at_idx(text_renderer, 19, 1, TA_LEFT);
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "EXIT: %s", slot_left == 0 ? "OPEN  " : "CLOSED");
+    draw_text_at_idx(text_renderer, 21, 1, TA_LEFT);
+}
+
+void draw_game_main(const game_t* const game, const u32 time)
+{
+    char text_renderer[TEXT_RENDERER_SIZE] = {0};
+    u16 level = 0;
+    u16 tmp = game->maze->level;
+
+    while (tmp > 0) {
+        tmp = tmp >> 1;
+        ++level;
+    }
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "LEVEL: %u", level);
+    draw_text_at_idx(text_renderer, 1, 1, TA_LEFT);
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "TIME: %04u", time);
+    draw_text_at_idx(text_renderer, 1, 1, TA_RIGHT);
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "%s", game->player->taunt ? "T" : " ");
+    draw_text_at_idx(text_renderer, 1, 0, TA_CENTER);
+
+
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "ROOM CONTENT");
+    draw_text_at_idx(text_renderer, 6, 0, TA_CENTER);
+
+    print_room_content(text_renderer, *get_player_current_room(game->maze, game->player), game->maze->slot_left, 8);
+
+    if (game->player->part > 0) {
+        snprintf(text_renderer, TEXT_RENDERER_SIZE, "CARRYING KEY: %02u (1/1)", game->player->part);
+    } else {
+        snprintf(text_renderer, TEXT_RENDERER_SIZE, "CARRYING KEY: -- (0/1) ");
+    }
+
+    draw_text_at_idx(text_renderer, 17, 1, TA_LEFT);
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "SLOTS LEFT: %02u", game->maze->slot_left);
+    draw_text_at_idx(text_renderer, 19, 1, TA_LEFT);
+
+    snprintf(text_renderer, TEXT_RENDERER_SIZE, "EXIT: %s", game->maze->slot_left == 0 ? "OPEN " : "CLOSED");
+    draw_text_at_idx(text_renderer, 21, 1, TA_LEFT);
+}
+
+
--- a/ee310-mes/source/graphics_main.h
+++ b/ee310-mes/source/graphics_main.h
@@ -0,0 +1,45 @@
+#pragma once
+
+/**
+ * @file graphics_main.h
+ * @author C. Hölzl
+ * @brief MainScreen Graphics header file
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <nds.h>
+
+#include "engine.h"
+#include "utils.h"
+
+
+void configure_graphics_main();
+void switch_mode_main(gmode_t mode);
+
+void create_palette_main();
+
+void clear_main_text();
+
+void draw_title_main();
+void draw_menu_main();
+
+void draw_guide_main();
+void draw_credits_main();
+void draw_rank_main();
+
+void draw_warning_main(char* str);
+void draw_message_main(char* str);
+void clear_message_main();
+
+void draw_game_multi_main(const room_t room,const part_t part, const u16 slot_left, const bool taunt);
+void draw_game_main(const game_t* const game, const u32 time);
+void draw_view(const player_t* const player, const room_t room);
+
+
+#ifdef __cplusplus
+}
+#endif
+
--- a/ee310-mes/source/graphics_sub.c
+++ b/ee310-mes/source/graphics_sub.c
@@ -0,0 +1,414 @@
+/**
+* @brief Graphics engine
+*/
+
+#include "graphics_sub.h"
+#include "engine.h"
+
+#include "text.h"
+#include "title.h"
+#include "kc_full.h"
+
+#define TEXT_TILE_OFFSET_SUB_0 6
+#define TEXT_TILE_OFFSET_SUB_1 7
+#define TEXT_TILE_MAP_SUB_0 BG_MAP_RAM_SUB(TEXT_TILE_OFFSET_SUB_0)
+#define TEXT_TILE_MAP_SUB_1 BG_MAP_RAM_SUB(TEXT_TILE_OFFSET_SUB_1)
+#define CLEAR_TEXT_TILE_MAP_0() memset(TEXT_TILE_MAP_SUB_0,0,32*48);
+#define CLEAR_TEXT_TILE_MAP_1() memset(TEXT_TILE_MAP_SUB_1,0,32*48);
+#define DRAW_TILE_AT_IDX(top,left) TEXT_TILE_MAP_SUB_0[(top) * 32 + (left)] 
+
+
+#define	SPRITE_WIDTH	32
+#define	SPRITE_HEIGHT	32
+
+#define KC_ROT 0
+#define KC_IDX 0
+
+#define GFX_PTR_OFFSET(offset)  (((u32)offset & 0xFFFFF) >> oamSub.gfxOffsetStep)
+
+#define SET_KC(gfxx) \
+	do { \
+		oamSub.oamMemory[KC_IDX].gfxIndex = GFX_PTR_OFFSET(gfxx); \
+	} while(false)
+
+
+#define MOVE_KC(xx, yy) \
+	do { \
+		oamSub.oamMemory[KC_IDX].x = (xx); \
+		oamSub.oamMemory[KC_IDX].y = (yy); \
+	} while(false)
+
+#define AFFINE_TRANSFORM(hx,vx,hy,vy)\
+	do { \
+		oamSub.oamRotationMemory[KC_ROT].hdx = hx;\
+		oamSub.oamRotationMemory[KC_ROT].vdx = vx;\
+		oamSub.oamRotationMemory[KC_ROT].hdy = hy;\
+		oamSub.oamRotationMemory[KC_ROT].vdy = vy;\
+	} while(false)
+
+
+#define SCALE_KC(x,y) AFFINE_TRANSFORM(256*x,0,0,256*y)
+
+u16* gfx_kc;
+u16* gfx_kc_val;
+u16* gfx_kc_inv;
+u16* gfx_kc_slot;
+
+#define SWITCH_KC_GRAPHICS(part,slot)\
+	do{\
+		if(slot >0 && part >0){\
+			if(slot == part){\
+				SET_KC(gfx_kc_val);\
+			}else{\
+				SET_KC(gfx_kc_inv);\
+			}\
+		}else if(slot > 0){\
+			SET_KC(gfx_kc_slot);\
+		}else if (part > 0){\
+			SET_KC(gfx_kc);\
+		}else{\
+			SET_KC(gfx_kc_slot);\
+		}\
+	}while(false)
+
+
+u8 loading_screen_id = 0;
+#define LOADING_SCREEN_COUNT 2
+
+
+void configure_graphics_sub()
+{
+    videoSetModeSub(MODE_5_2D);
+    vramSetBankC(VRAM_C_SUB_BG_0x06200000);
+    bgInitSub(0, BgType_Text8bpp, BgSize_T_256x256, TEXT_TILE_OFFSET_SUB_0, 0);
+    bgInitSub(1, BgType_Text8bpp, BgSize_T_256x256, TEXT_TILE_OFFSET_SUB_1, 0);
+    bgInitSub(2, BgType_Bmp8, BgSize_B8_256x256, 1, 0);
+
+    REG_BG2PA_SUB = 256;
+    REG_BG2PC_SUB = 0;
+    REG_BG2PB_SUB = 0;
+    REG_BG2PD_SUB = 256;
+
+    bgSetPriority(0,2);
+    bgSetPriority(1,1);
+    bgSetPriority(2,3);
+       
+    swiCopy(titleBitmap + loading_screen_id * 64 * 192, BG_BMP_RAM_SUB(1), SCREEN_WIDTH * SCREEN_HEIGHT);
+    swiCopy(textTiles, BG_TILE_RAM_SUB(0), textTilesLen);
+    CLEAR_TEXT_TILE_MAP_0();
+    CLEAR_TEXT_TILE_MAP_1();
+}
+
+void create_palette_sub()
+{
+    vramSetBankH(VRAM_H_SUB_BG_EXT_PALETTE);
+    swiCopy(titlePal, BG_PALETTE_SUB, titlePalLen);
+    SET_PERSONAL_PALETTE(BG_PALETTE_SUB);
+}
+
+void create_object_sub()
+{
+    vramSetBankD(VRAM_D_SUB_SPRITE);
+    vramSetBankI(VRAM_I_SUB_SPRITE_EXT_PALETTE);
+
+    oamInit(&oamSub, SpriteMapping_1D_32, false);
+
+    gfx_kc = oamAllocateGfx(&oamSub, SpriteSize_32x64, SpriteColorFormat_256Color);
+    gfx_kc_val = oamAllocateGfx(&oamSub, SpriteSize_32x64, SpriteColorFormat_256Color);
+    gfx_kc_inv = oamAllocateGfx(&oamSub, SpriteSize_32x64, SpriteColorFormat_256Color);
+    gfx_kc_slot = oamAllocateGfx(&oamSub, SpriteSize_32x64, SpriteColorFormat_256Color);
+
+    //Copy data for the graphic (palette and bitmap)
+    swiCopy(kc_fullPal, SPRITE_PALETTE_SUB, kc_fullPalLen);
+    swiCopy(kc_fullTiles, gfx_kc, kc_fullTilesLen / (2 * 4));
+    swiCopy(kc_fullTiles + (64 * 8), gfx_kc_val, kc_fullTilesLen / (2 * 4));
+    swiCopy(kc_fullTiles + (64 * 16), gfx_kc_inv, kc_fullTilesLen / (2 * 4));
+    swiCopy(kc_fullTiles + (64 * 24), gfx_kc_slot, kc_fullTilesLen / (2 * 4));
+    oamSet(&oamSub, KC_IDX, SCREEN_WIDTH, 0, 0, 0, SpriteSize_32x64, SpriteColorFormat_256Color, gfx_kc,
+           KC_ROT, false, false, false, false, false);
+}
+
+
+void switch_mode_sub(gmode_t mode)
+{
+    switch (mode) {
+    case GGAME:
+        CLEAR_TEXT_TILE_MAP_0();
+        CLEAR_TEXT_TILE_MAP_1();
+        SET_PERSONAL_PALETTE(BG_PALETTE_SUB);
+        break;
+    case GMENU:
+        CLEAR_TEXT_TILE_MAP_0();
+        CLEAR_TEXT_TILE_MAP_1();
+        swiCopy(titlePal, BG_PALETTE_SUB, titlePalLen);
+        swiCopy(titleBitmap + loading_screen_id * 64 * 192, BG_BMP_RAM_SUB(1), SCREEN_WIDTH * SCREEN_HEIGHT);
+        MOVE_KC(SCREEN_WIDTH, SCREEN_HEIGHT);
+        break;
+    case GGAME_ALT: 
+        CLEAR_TEXT_TILE_MAP_0();
+        CLEAR_TEXT_TILE_MAP_1();
+        memset(BG_BMP_RAM_SUB(1), 0, SCREEN_WIDTH * SCREEN_HEIGHT);
+        swiCopy(textPal, BG_PALETTE_SUB, textPalLen);
+    	MOVE_KC(SCREEN_WIDTH, SCREEN_HEIGHT);
+    	break;
+    }
+}
+
+
+
+void next_loading_isr(u8 f)
+{
+    ++loading_screen_id;
+
+    if (loading_screen_id >= LOADING_SCREEN_COUNT || f != 0) {
+        loading_screen_id = LOADING_SCREEN_COUNT;
+    }
+}
+
+void draw_title_sub()
+{
+    swiCopy(titleBitmap + loading_screen_id * 64 * 192, BG_BMP_RAM_SUB(1), SCREEN_WIDTH * SCREEN_HEIGHT);
+    MOVE_KC(SCREEN_WIDTH, SCREEN_HEIGHT);
+
+}
+
+u8 hit_kc = 0;
+u8 screen_buff[SCREEN_WIDTH * SCREEN_HEIGHT] = {0};
+
+void draw_vertical_line(const u32 col, const position_t* const pos, const room_t room, const s16 slot_left)
+{
+    s16 angle = MOD((pos->r - (FOV / 2) + (col * FOV) / (SCREEN_WIDTH * 1.0)), 360);
+    float32 raydir_x = fixedToFloat(sinLerp(degreesToAngle(angle)), 12);
+    float32 raydir_y = fixedToFloat(cosLerp(degreesToAngle(angle)), 12);
+
+    s16 map_x = (s16)(pos->x);
+    s16 map_y = (s16)(pos->y);
+
+    float32 delta_dist_x = ABS(1.0 / raydir_x);
+    float32 delta_dist_y = ABS(1.0 / raydir_y);
+    float32 perp_dist = 0.1;
+
+    s8 step_x;
+    s8 step_y;
+    float32 border_dist_x;
+    float32 border_dist_y;
+
+    if (raydir_x < 0) {
+        step_x = -1;
+        border_dist_x = (pos->x - map_x) * delta_dist_x;
+    } else {
+        step_x = 1;
+        border_dist_x = (map_x + 1.0 - pos->x) * delta_dist_x;
+    }
+
+    if (raydir_y < 0) {
+        step_y = -1;
+        border_dist_y = (pos->y - map_y) * delta_dist_y;
+    } else {
+        step_y = 1;
+        border_dist_y = (map_y + 1.0 - pos->y) * delta_dist_y;
+    }
+
+    u8 side = 0;
+    u8 hit = 0;
+
+        part_t slot = get_slot_id(room);
+        part_t part = get_part_id(room);
+
+ 
+    while (hit == 0) {
+        if (border_dist_x < border_dist_y) {
+            border_dist_x += delta_dist_x;
+            map_x += step_x;
+            side = 0;
+        } else {
+            border_dist_y += delta_dist_y;
+            map_y += step_y;
+            side = 1;
+        }
+
+        if ((slot > 0 || part > 0) && (map_x-1 == ROOM_SIZE / 2) && map_y-1 == ROOM_SIZE / 2) {
+            hit_kc = 1;
+
+            if (side == 0) {
+                perp_dist = (map_x - pos->x + (1.0 - step_x) / 2.0) / raydir_x;
+            } else {
+                perp_dist = (map_y - pos->y + (1.0 - step_y) / 2.0) / raydir_y;
+            }
+            s16 lheight = (s16)(SCREEN_HEIGHT / perp_dist);
+            s16 lpos = MAX(0, -lheight / 2 + SCREEN_HEIGHT / 2);
+
+            SCALE_KC(MAX(1, perp_dist), MAX(1, perp_dist));
+            MOVE_KC(col - 32, SCREEN_HEIGHT - lpos - 64 / MAX(1, perp_dist));
+            SWITCH_KC_GRAPHICS(part, slot);
+        }
+
+        if ((is_wall(map_x, map_y, room) != 0) || (is_door(map_x, map_y, room) != 0)) hit = 1;
+    }
+
+    if (side == 0) {
+        perp_dist = (map_x - pos->x + (1.0 - step_x) / 2.0) / raydir_x;
+    } else {
+        perp_dist = (map_y - pos->y + (1.0 - step_y) / 2.0) / raydir_y;
+    }
+    s16 vheight = (SCREEN_HEIGHT / perp_dist);
+
+    if(perp_dist <= 0)
+    	vheight = SCREEN_HEIGHT;
+
+    s16 vstart =  (SCREEN_HEIGHT / 2) - (vheight / 2);
+    s16 vend = (SCREEN_HEIGHT / 2) + (vheight / 2);
+
+    u16 color = (is_door(map_x, map_y, room) > 0) ?
+                P_BLUE :
+                ((is_wall(map_x, map_y, room) > 0) ?
+                 (check_room_has_element(room, RTRAP) ?
+                  P_VIOLET :
+                  P_WHITE) :
+                 P_TRANSPARENT);
+
+    if (side == 1) {
+        color = color + 1;
+    }
+
+    u8* buff = (u8*) screen_buff;
+    u32 row;
+
+    for (row = 0; row < SCREEN_HEIGHT; row++) {
+        if (row < vstart) {
+            buff[row * SCREEN_WIDTH + col] = P_DARK_DARK_WHITE;
+        } else if (row <= vend) {
+            buff[row * SCREEN_WIDTH + col] = color;
+        } else {
+            buff[row * SCREEN_WIDTH + col] = check_room_has_element(room, REXIT) ? (slot_left == 0 ? P_DARK_GREEN : P_DARK_RED) : P_DARK_DARK_WHITE;
+        }
+    }
+}
+
+
+void draw_view_sub(const position_t* const pos, const room_t room, const s16 left)
+{
+    u32 col = 0;
+    hit_kc = 0;
+
+    for (col = 0; col < SCREEN_WIDTH; col++) {
+
+        draw_vertical_line(col, pos, room, left);
+
+    }
+
+    swiCopy(screen_buff, BG_BMP_RAM_SUB(1), SCREEN_WIDTH * SCREEN_HEIGHT);
+
+    if (hit_kc == 0) {
+        MOVE_KC(SCREEN_WIDTH, SCREEN_HEIGHT);
+    }
+}
+
+void draw_game_sub(const position_t* const pos, const room_t room, const s16 left)
+{
+    draw_view_sub(pos, room, left);
+}
+
+
+static u16 elem_to_tile(room_elements elem){
+	switch(elem){
+		case NWALL:
+		case SWALL:
+		case WWALL:
+		case EWALL:
+			return 92;
+			break;
+		case RSLOT:
+			return 93;
+			break;
+		case RPART:
+			return 94;
+			break;
+		case RTRAP:
+			return 95;
+			break;
+		case REXIT:
+			return 96;
+			break;
+	}
+	return 0;
+}
+
+#define NET_ROOM_SIZE 16
+#define NET_DOOR_SIZE (NET_ROOM_SIZE/4)
+
+#define RMLO (16-NET_ROOM_SIZE/2)
+#define RMTO 3
+#define RMDO (16-NET_DOOR_SIZE/2)
+
+void draw_game_multi_sub(const room_t room, const u32 slot_left){
+        memset(BG_BMP_RAM_SUB(1), 0, SCREEN_WIDTH * SCREEN_HEIGHT);
+	u16 i;
+	for(i = 0; i < NET_ROOM_SIZE; ++i){
+		DRAW_TILE_AT_IDX(RMTO,RMLO+i) = elem_to_tile(WWALL);
+		DRAW_TILE_AT_IDX(RMTO+1,RMLO+i) = elem_to_tile(WWALL);
+		DRAW_TILE_AT_IDX(RMTO+i,RMLO) = elem_to_tile(WWALL);
+		DRAW_TILE_AT_IDX(RMTO+i,RMLO+1) = elem_to_tile(WWALL);
+		DRAW_TILE_AT_IDX(RMTO+i,RMLO+NET_ROOM_SIZE-2) = elem_to_tile(WWALL);
+		DRAW_TILE_AT_IDX(RMTO+i,RMLO+NET_ROOM_SIZE-1) = elem_to_tile(WWALL);
+		DRAW_TILE_AT_IDX(RMTO+NET_ROOM_SIZE-2,RMLO+i) = elem_to_tile(WWALL);
+		DRAW_TILE_AT_IDX(RMTO+NET_ROOM_SIZE-1,RMLO+i) = elem_to_tile(WWALL);
+
+	}
+	for (i = 0; i < NET_DOOR_SIZE; ++i) {
+		if(!check_room_has_element(room, NWALL)){
+			DRAW_TILE_AT_IDX(RMTO,RMDO+i) = 0;
+			DRAW_TILE_AT_IDX(RMTO+1,RMDO+i) = 0;
+		}
+		if (!check_room_has_element(room, SWALL)) {
+			DRAW_TILE_AT_IDX(RMTO+NET_ROOM_SIZE-2,RMDO+i) = 0;
+			DRAW_TILE_AT_IDX(RMTO+NET_ROOM_SIZE-1,RMDO+i) = 0;
+		}
+		if (!check_room_has_element(room, WWALL)) {
+			DRAW_TILE_AT_IDX(RMTO+(NET_ROOM_SIZE/2)-(NET_DOOR_SIZE/2)+i,RMLO) = 0;
+			DRAW_TILE_AT_IDX(RMTO+(NET_ROOM_SIZE/2)-(NET_DOOR_SIZE/2)+i,RMLO+1) = 0;
+		}
+		if (!check_room_has_element(room, EWALL)) {
+			DRAW_TILE_AT_IDX(RMTO+(NET_ROOM_SIZE/2)-(NET_DOOR_SIZE/2)+i,RMLO+NET_ROOM_SIZE-2) = 0;
+			DRAW_TILE_AT_IDX(RMTO+(NET_ROOM_SIZE/2)-(NET_DOOR_SIZE/2)+i,RMLO+NET_ROOM_SIZE-1) = 0;
+		}
+	
+	}
+
+	for (i = 0; i < ELEM_SIZE; ++i) {
+		if(check_room_has_element(room, RSLOT)){
+			u16 j;
+			for(j=0; j< ELEM_SIZE; ++j){
+				DRAW_TILE_AT_IDX(RMTO+(NET_ROOM_SIZE/2) - ELEM_SIZE/2+i, 16-2 + j)= elem_to_tile(RSLOT);
+			}
+		}
+		if(check_room_has_element(room, RPART)){
+			u16 j;
+			for(j=0; j< ELEM_SIZE; ++j){
+				DRAW_TILE_AT_IDX(RMTO+(NET_ROOM_SIZE/2) - ELEM_SIZE/2+1+i/2, 16-1 + j/2)= elem_to_tile(RPART);
+			}
+		}
+		if(check_room_has_element(room, REXIT)){
+			u16 spridx = elem_to_tile(REXIT) + ((slot_left == 0)?0:1);
+			DRAW_TILE_AT_IDX(RMTO+(ELEM_SIZE/2)+i - 2*(i/2), RMLO+(ELEM_SIZE/2) + i/2)= spridx;
+			DRAW_TILE_AT_IDX(RMTO+(ELEM_SIZE/2)+i - 2*(i/2), RMLO+NET_ROOM_SIZE-(ELEM_SIZE) + i/2)= spridx;
+			DRAW_TILE_AT_IDX(RMTO+NET_ROOM_SIZE-(ELEM_SIZE)+i - 2*(i/2), RMLO+NET_ROOM_SIZE-(ELEM_SIZE) + i/2)= spridx;
+			DRAW_TILE_AT_IDX(RMTO+NET_ROOM_SIZE-(ELEM_SIZE)+i - 2*(i/2), RMLO+(ELEM_SIZE/2) + i/2)= spridx;	
+		}
+		if(check_room_has_element(room, RTRAP)){
+			DRAW_TILE_AT_IDX(RMTO+i - 2*(i/2), RMLO + i/2)= elem_to_tile(RTRAP) ;
+			DRAW_TILE_AT_IDX(RMTO+i - 2*(i/2), RMLO+NET_ROOM_SIZE-(ELEM_SIZE/2) + i/2)= elem_to_tile(RTRAP);
+			DRAW_TILE_AT_IDX(RMTO+NET_ROOM_SIZE-(ELEM_SIZE/2)+i - 2*(i/2), RMLO+NET_ROOM_SIZE-(ELEM_SIZE/2) + i/2)= elem_to_tile(RTRAP);
+			DRAW_TILE_AT_IDX(RMTO+NET_ROOM_SIZE-(ELEM_SIZE/2)+i - 2*(i/2), RMLO + i/2)= elem_to_tile(RTRAP);
+			
+		}
+	}
+
+	
+}
+
+
+void draw_player_multi_sub(const net_player_t* const player, const bool ghost){
+	TEXT_TILE_MAP_SUB_1[(RMTO+player->y) * 32 + (RMLO+player->x)] = elem_to_tile(REXIT)+1;
+	TEXT_TILE_MAP_SUB_0[(RMTO+player->y) * 32 + (RMLO+player->x)] = char_to_tile('A');//player->name[0]);
+}
--- a/ee310-mes/source/graphics_sub.h
+++ b/ee310-mes/source/graphics_sub.h
@@ -0,0 +1,34 @@
+#pragma once
+
+/**
+ * @file graphics_sub.h
+ * @author C. Hölzl
+ * @brief Subscreen Graphics header file
+ */
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <nds.h>
+
+#include "engine.h"
+#include "utils.h"
+
+void configure_graphics_sub();
+void switch_mode_sub(gmode_t mode);
+
+void create_palette_sub();
+void create_object_sub();
+
+void draw_title_sub();
+void next_loading_isr(u8 f);
+
+void draw_game_sub(const position_t* const pos, const room_t room, const s16 left);
+void draw_game_multi_sub(const room_t room, const u32 slot_left);
+void draw_player_multi_sub(const net_player_t* const player, const bool ghost);
+
+#ifdef __cplusplus
+}
+#endif
--- a/ee310-mes/source/input.c
+++ b/ee310-mes/source/input.c
@@ -0,0 +1,267 @@
+/*
+ * @file: input.c
+ * @author C. Hölzl
+ * @brief: Input Handler file
+ * 2019
+ */
+
+#include "input.h"
+#include "network.h"
+#include "graphics_engine.h"
+#include "utils.h"
+
+#define IS_PRESSED(key_code) (keys & key_code)
+
+
+void handle_keys_solo(game_t* game, gs_t* status)
+{
+    scanKeys();
+    u32 keys = keysDown();
+
+
+    if (IS_PRESSED(KEY_START)) {
+        *status = QUIT;
+    }
+
+    if (IS_PRESSED(KEY_SELECT)) {
+        //HANDLE SELECT
+    }
+
+    if (IS_PRESSED(KEY_A)) {
+        apply_action_pos(game->maze, game->player, INTERACT_PICKUP, status);
+    }
+
+    if (IS_PRESSED(KEY_B)) {
+        apply_action_pos(game->maze, game->player, INTERACT_DROP, status);
+    }
+
+    if (IS_PRESSED(KEY_X)) {
+        apply_action_pos(game->maze, game->player, INTERACT_EXIT, status);
+    }
+
+    if (IS_PRESSED(KEY_Y)) {
+        apply_action_pos(game->maze, game->player, TAUNT, status);
+    }
+
+    //keys = keysHeld();
+    if (IS_PRESSED(KEY_RIGHT)) {
+        apply_action_pos(game->maze, game->player, RIGHT, status);
+    }
+
+    if (IS_PRESSED(KEY_LEFT)) {
+        apply_action_pos(game->maze, game->player, LEFT, status);
+    }
+
+    if (IS_PRESSED(KEY_UP)) {
+        apply_action_pos(game->maze, game->player, UP, status);
+    }
+
+    if (IS_PRESSED(KEY_DOWN)) {
+        apply_action_pos(game->maze, game->player, DOWN, status);
+    }
+
+    if (IS_PRESSED(KEY_R)) {
+        game->player->pos.r = MOD(game->player->pos.r + 45, 360);
+
+    }
+
+    if (IS_PRESSED(KEY_L)) {
+        game->player->pos.r = MOD(game->player->pos.r - 45, 360);
+    }
+}
+
+
+void handle_keys_multi(gs_t* status)
+{
+    scanKeys();
+    u32 keys = keysDown();
+
+    char action = 0;
+
+    if (IS_PRESSED(KEY_START)) {
+        action = 'Q';
+        *status = QUIT;
+    }
+
+    if (IS_PRESSED(KEY_SELECT)) {
+        action = 'F';
+    }
+
+    if (IS_PRESSED(KEY_A)) {
+        action = 'I';
+    }
+
+    if (IS_PRESSED(KEY_B)) {
+        action = 'I';
+    }
+
+    if (IS_PRESSED(KEY_X)) {
+        action = 'I';
+    }
+
+    if (IS_PRESSED(KEY_Y)) {
+        action = 'T';
+    }
+
+    if (IS_PRESSED(KEY_RIGHT)) {
+        action = 'D';
+    }
+
+    if (IS_PRESSED(KEY_LEFT)) {
+        action = 'A';
+    }
+
+    if (IS_PRESSED(KEY_UP)) {
+        action = 'W';
+    }
+
+    if (IS_PRESSED(KEY_DOWN)) {
+        action = 'S';
+    }
+
+    if (IS_PRESSED(KEY_L) && IS_PRESSED(KEY_R)) {
+        action = 'K';
+    }
+    if (action != 0 && (*status == RUN || *status == QUIT)) {
+        net_snd(&action, sizeof(char));
+    }
+
+}
+
+void handle_keys_menu(gs_t* gs, gt_t* gt)
+{
+    scanKeys();
+    u32 keys = keysDown();
+
+    if (IS_PRESSED(KEY_TOUCH)) {
+        touchPosition touch;
+        touchRead(&touch);
+
+        if (touch.px > 52 && touch.px < SCREEN_WIDTH - 52 && touch.py > 50 && touch.py < 82) {
+            *gt = SOLO;
+            *gs = QUIT;
+        } else if (touch.px > 52 && touch.px < SCREEN_WIDTH - 52 && touch.py > 100 && touch.py < 132) {
+            *gt = MULTI;
+            *gs = QUIT;
+        } else  if (touch.px > 5 && touch.px < 46  && touch.py > 168 && touch.py < 186) {
+            *gt = GUIDE;
+            *gs = QUIT;
+        } else if (touch.px > 196 && touch.px < 250  && touch.py > 168 && touch.py < 186) {
+            *gt = CREDITS;
+            *gs = QUIT;
+        } else if (touch.px > 96 && touch.px < 158  && touch.py > 158 && touch.py < 174) {
+            *gt = RANKING;
+            *gs = QUIT;
+        }
+    }
+
+    if (IS_PRESSED(KEY_START)) {
+        POWERDWN();
+    }
+}
+
+void handle_keys_submenu(gs_t* gs, gt_t* gt)
+{
+    scanKeys();
+    u32 keys = keysDown();
+
+    if (IS_PRESSED(KEY_START) || IS_PRESSED(KEY_TOUCH)) {
+        *gs = QUIT;
+    }
+}
+
+void handle_keys_start(gs_t* gs)
+{
+    scanKeys();
+    u32 keys = keysDown();
+
+    if (IS_PRESSED(KEY_START) || IS_PRESSED(KEY_TOUCH)) {
+        *gs = QUIT;
+    }
+}
+
+int timer_ticks;
+
+void load_timer_ISR()
+{
+    ++timer_ticks;
+
+    if (timer_ticks % 16 == 0) { //2s
+        next_loading_isr(0);
+    }
+
+    if (timer_ticks >= 42) {
+        irqDisable(IRQ_TIMER0);
+        timer_ticks = 0;
+    }
+}
+u32 game_time = 0;
+
+void game_time_ISR()
+{
+    game_time = MIN(game_time + 1, SECTIME_MAX_VALUE);
+}
+
+u32 get_game_time()
+{
+    return game_time;
+}
+
+void reset_game_time()
+{
+    game_time = 0;
+}
+
+void init_load_timer()
+{
+    timer_ticks = 0;
+    irqEnable(IRQ_TIMER0);
+    TIMER_DATA(0) = TIMER_FREQ_1024(8);
+    TIMER0_CR = TIMER_ENABLE | TIMER_DIV_1024;// | TIMER_IRQ_REQ;
+    irqSet(IRQ_TIMER0, &load_timer_ISR);
+
+    TIMER0_CR |= TIMER_IRQ_REQ;
+}
+
+void init_game_timer()
+{
+    game_time = 0;
+    irqEnable(IRQ_TIMER1);
+    TIMER_DATA(1) = TIMER_FREQ_1024(1);
+    TIMER1_CR = TIMER_ENABLE | TIMER_DIV_1024;// | TIMER_IRQ_REQ;
+    irqSet(IRQ_TIMER1, &game_time_ISR);
+
+    TIMER1_CR |= TIMER_IRQ_REQ;
+}
+
+void disable_game_timer()
+{
+    game_time = 0;
+    irqDisable(IRQ_TIMER1);
+}
+
+
+void init_audio()
+{
+    mmInitDefaultMem((mm_addr)soundbank_bin);
+    mmLoad(MOD_FROZEN_26);
+    //mmLoadEffect(SFX_SWISH);
+    //mmLoadEffect(SFX_CLUNK);
+
+    mmStart(MOD_FROZEN_26, MM_PLAY_LOOP);
+    mmSetModuleVolume(512);
+}
+
+
+void play_sfx_audio(int i)
+{
+    mm_sound_effect sound;
+    sound.id = i;
+    sound.rate = 1024;
+    sound.volume = 255;
+    // if(i == SFX_SWISH)
+    // 	sound.panning = 0;
+    // if(i == SFX_CLUNK)
+    // 	sound.panning = 255;
+    mmEffectEx(&sound);
+}
--- a/ee310-mes/source/input.h
+++ b/ee310-mes/source/input.h
@@ -0,0 +1,38 @@
+#pragma once
+
+/**
+ * @file input.h
+ * @author C. Hölzl
+ * @brief input header file
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <nds.h>
+#include <maxmod9.h>
+#include "soundbank.h"
+#include "soundbank_bin.h"
+#include "engine.h"
+
+
+void init_load_timer();
+void init_game_timer();
+void disable_game_timer();
+
+void init_audio();
+
+void handle_keys_solo(game_t* game, gs_t* status);
+void handle_keys_multi(gs_t* status);
+void handle_keys_menu(gs_t* gs, gt_t* gt);
+void handle_keys_submenu(gs_t* gs, gt_t* gt);
+
+void handle_keys_start(gs_t* status);
+
+u32 get_game_time();
+void reset_game_time();
+
+#ifdef __cplusplus
+}
+#endif
--- a/ee310-mes/source/main.c
+++ b/ee310-mes/source/main.c
@@ -0,0 +1,328 @@
+/*
+ * @file: main.c
+ * @author C. Hölzl
+ * @brief: Main file
+ * 2019
+ */
+
+#include <nds.h>
+#include <fat.h>
+#include <stdio.h>
+
+#include "utils.h"
+#include "input.h"
+#include "network.h"
+#include "graphics_main.h"
+#include "graphics_sub.h"
+#include "graphics_engine.h"
+
+
+gs_t status = LOAD;
+
+gt_t gt = START;
+
+
+#define DEFAULT_SOLO_MAZE_SIZE 0
+
+void main_start()
+{
+    while (status != QUIT) {
+        handle_keys_start(&status);
+        draw_title();
+        swiWaitForVBlank();
+        oamUpdate(&oamSub);
+    }
+}
+
+void main_menu()
+{
+    while (status != QUIT) {
+        handle_keys_menu(&status, &gt);
+        swiWaitForVBlank();
+    }
+}
+
+
+void main_submenu()
+{
+    while (status != QUIT) {
+        handle_keys_submenu(&status, &gt);
+        swiWaitForVBlank();
+    }
+}
+
+void main_solo()
+{
+    u32 dimentions = DEFAULT_SOLO_MAZE_SIZE;
+    char name[NAME_LEN + 1] = PNAME;
+
+    draw_loading();
+    game_t* game = game_init(game_alloc(), dimentions, name, &status);
+    update_player_room(game->maze, game->player);
+    init_game_timer();
+    clear_main_text();
+    clear_message();
+    while (status != QUIT) {
+
+        if (game->maze->level > MAX_MAZE_SIZE) {
+            status = QUIT;
+        }
+
+        switch (status) {
+        case RUN:
+            handle_keys_solo(game, &status);
+            draw_game(game, get_game_time());
+            break;
+
+        case LOAD:
+            break;
+
+        case FINISHED:
+            if (game->maze->level == 8) {
+                pscore_t score = {"++", get_game_time()};
+                strncpy(score.name, game->player->name, NAME_LEN);
+                insert_score(&score);
+                write_score();
+            }
+
+            draw_loading();
+            game_reset(game,  game->maze->level * DIFINC, game->player->name, &status);
+            reset_game_time();
+            clear_main_text();
+            clear_message();
+            break;
+
+        default:
+            break;
+        }
+
+        swiWaitForVBlank();
+        oamUpdate(&oamSub);
+    }
+
+    disable_game_timer();
+    game_end(game);
+}
+
+bool handle_rcv_msg_sc(const char * const in_msg)
+{
+    switch (in_msg[0]) {
+    case 'L':
+        status = LOAD;
+        break;
+
+    case 'W':
+        status = WAIT;
+        break;
+
+    case 'D':
+        status = DEADLOCK;
+        break;
+
+    case 'R':
+    default:
+        break;
+    }
+
+    return true;
+}
+
+bool handle_rcv_msg_op(const char * imptr, room_t room)
+{
+    net_player_t oplayer;
+    u32 n = 0;
+
+    while (strlen(imptr) >= 3) {
+        if (sscanf(imptr, " %2s %hhd %hhd %hhu %hhu %n", oplayer.name, &oplayer.pos.x, &oplayer.pos.y, &oplayer.part, &oplayer.taunt, &n) != 5) {
+            return false;
+        }
+
+        imptr += n;
+        draw_player_multi_sub(&oplayer,check_room_has_element(room, RTRAP));
+    }
+
+    return true;
+}
+
+bool handle_rcv_msg(const char * const in_msg)
+{
+    if (strlen(in_msg) == 1) {
+        return handle_rcv_msg_sc(in_msg);
+    } else {
+        if (status != RUN && status != DEADLOCK && status != QUIT) {
+            status = RUN;
+        }
+
+        u32 slot_left = 0;
+        room_t room = BOX_ROOM;
+        u8 global_slot_left = 0;
+        u32 size = 0;
+        net_player_t player;
+        u32 n = 0;
+        const char* imptr = in_msg;
+
+        if (sscanf(imptr, "%u %hhu %d %2s %hhd %hhd %hhu %hhu %n", &room, &global_slot_left, &slot_left, player.name, &player.pos.x, &player.pos.y, &player.part, &player.taunt, &n) != 8) {
+            return false;
+        }
+
+        if (size) {}
+
+        imptr += n;
+
+	draw_game_multi(room, player.part, slot_left, player.taunt);
+
+        if (handle_rcv_msg_op(imptr, room) == false)
+            return false;
+
+        draw_player_multi_sub(&player,true);
+        //drawinfo(room, player.part, slot_left);
+
+        if (global_slot_left > 0 && slot_left == 0) {
+            draw_message("Waiting for everybody to finish");
+        } else {
+            clear_message_main();
+        }
+    }
+
+    return true;
+}
+
+#define RCV_BUFF_SIZE 1024
+void main_multi()
+{
+    char name[NAME_LEN + 1] = PNAME;
+    char rcv_buff[RCV_BUFF_SIZE] = {0};
+
+    draw_connecting();
+    if (init_wlpif() != 0) { //Connect to Wifi
+        status = QUIT;
+        return;
+    }
+    if (init_socket(1) != 0) { //Connect to Server
+        status = QUIT;
+        end_wlpif();
+        return;
+    }
+
+    if (net_snd(name, strlen(name)) == -1) { //Send name to server
+        end_wlpif();
+        end_socket();
+        return;
+    }
+    draw_loading();
+    while (status != QUIT) {
+
+        switch (status) {
+        case DEADLOCK:
+            draw_warning("A player left, maze might be unsolvable");
+        case RUN:
+            handle_keys_multi(&status);
+            //  draw_game_multi(game, get_game_time());
+            break;
+
+        case WAIT:
+            draw_message("Waiting for Previous Game to Finish");
+            break;
+        case LOAD:
+            clear_message_main();
+            draw_loading();
+            break;
+
+
+        case TIMEOUT:
+            status = QUIT;
+            break;
+
+        case FINISHED:
+            clear_message_main();
+            //draw_loading();
+            break;
+
+        default:
+            break;
+        }
+
+
+	if(rcv_room_from_server(rcv_buff, RCV_BUFF_SIZE, &status)){
+		if(handle_rcv_msg(rcv_buff)==false){
+			status = QUIT;
+		}
+	}
+        swiWaitForVBlank();
+        oamUpdate(&oamSub);
+    }
+
+    end_wlpif();
+    end_socket();
+}
+
+
+int main(void)
+{
+
+    fatInitDefault();
+    rand_init(clock());
+    read_score();
+
+    init_graphics();
+    init_load_timer();
+    init_audio();
+
+    while (gt != END) {
+        status = LOAD;
+
+        switch (gt) {
+        case START:
+            main_start();
+            next_loading_isr(1);
+            gt = MENU;
+            break;
+
+        case MENU:
+            switch_mode(GMENU);
+            draw_menu();
+            main_menu();
+            break;
+
+        case SOLO:
+            switch_mode(GGAME);
+            main_solo();
+            gt = MENU;
+            break;
+
+        case MULTI:
+            switch_mode(GGAME_ALT);
+            main_multi();
+            gt = MENU;
+            break;
+
+        case CREDITS:
+            switch_mode_main(GGAME);
+            draw_credits();
+            main_submenu();
+            gt = MENU;
+            break;
+
+        case GUIDE:
+            switch_mode_main(GGAME);
+            draw_guide();
+            main_submenu();
+            gt = MENU;
+            break;
+
+        case RANKING:
+            switch_mode_main(GGAME);
+            draw_rank();
+            main_submenu();
+            gt = MENU;
+            break;
+
+        default:
+            return 1;
+        }
+
+        swiWaitForVBlank();
+    }
+
+    return 0;
+}
--- a/ee310-mes/source/network.c
+++ b/ee310-mes/source/network.c
@@ -0,0 +1,191 @@
+#include <string.h> // for memset
+
+#include "network.h"
+#include "engine.h"
+#include "utils.h"
+
+#define SSID	"MES-NDS"
+
+#define PROTOCOL_IP_TCP 6
+#define PROTOCOL_IP_UDP 17
+
+#define MSG_KEY "FRZN"
+#define MSG_KEY_LEN 4
+
+saddr_t sa_out, sa_in;
+s32 sockfd = 01;
+
+bool socket_init = false;
+bool wlpif_init = false;
+
+#define MAX_WLP_RETRIES 1024
+
+s16 init_wlpif()
+{
+    if (wlpif_init == true)
+        return 0;
+
+    Wifi_AccessPoint ap;
+
+    s32 found = 0, count = 0, i = 0;
+
+    Wifi_InitDefault(false);
+
+    Wifi_ScanMode();
+
+    u8 retries = 0;
+
+    while (found == 0) {
+        count = Wifi_GetNumAP();
+
+        for (i = 0; (i < count) && (found == 0); i++) {
+            Wifi_GetAPData(i, &ap);
+
+            if (strcmp(SSID, ap.ssid) == 0)
+                found = 1;
+        }
+
+        ++retries;
+
+        if (retries > MAX_WLP_RETRIES)
+            return -1;
+    }
+
+    Wifi_SetIP(0, 0, 0, 0, 0);
+    Wifi_ConnectAP(&ap, WEPMODE_NONE, 0, 0);
+
+    s32 status = ASSOCSTATUS_DISCONNECTED;
+
+    while ((status != ASSOCSTATUS_ASSOCIATED) &&
+           (status != ASSOCSTATUS_CANNOTCONNECT)) {
+        status = Wifi_AssocStatus();
+        swiWaitForVBlank();
+    }
+
+    wlpif_init = (status == ASSOCSTATUS_ASSOCIATED);
+    return 0;
+}
+
+// ======================================================================
+s16 init_socket(const s16 t)
+{
+    if (socket_init == true) return 0;
+
+    if (wlpif_init == false) return -1;
+
+    sockfd = socket(AF_INET, SOCK_STREAM, PROTOCOL_IP_TCP);//IPPROTO_TCP);
+    //sockfd = socket(AF_INET, SOCK_DGRAM, PROTOCOL_IP_UDP);//IPPROTO_UDP);
+
+    if (sockfd == -1) return -1;
+
+
+    if (t >= 0) {
+        struct timeval timeout;
+        memset(&timeout, 0, sizeof(timeout));
+        timeout.tv_sec = t;
+        timeout.tv_usec = 100;
+
+        if (setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO,
+                       &timeout, sizeof(timeout)) == -1) {
+            closesocket(sockfd);
+            return -1;
+        }
+    }
+
+    sa_in.sin_family = AF_INET;
+    sa_in.sin_port = htons(DEFAULT_PORT);
+    sa_in.sin_addr.s_addr = 0x00000000;
+
+    if (bind(sockfd, (struct sockaddr*)&sa_in, sizeof(sa_in)) < 0) {
+        closesocket(sockfd);
+        return -1;
+    }
+
+    //struct hostent* server_host = gethostbyname(DEFAULT_IP);
+    sa_out.sin_family = AF_INET;
+    sa_out.sin_port = htons(DEFAULT_PORT);
+    sa_out.sin_addr.s_addr = DEFAULT_IP_BIN; //*(server_host->h_addr_list[0]);//
+
+
+    //char nonblock = 1;
+    //ioctl(sockfd, FIONBIO, &nonblock);
+    if (connect(sockfd, (struct sockaddr*)&sa_out, sizeof(sa_out)) < 0) {
+        closesocket(sockfd);
+        return -1;
+    }
+
+    socket_init = true;
+    return 0;
+}
+
+
+
+void end_socket()
+{
+    if (socket_init == false)
+        return;
+
+    shutdown(sockfd, SHUT_RDWR);
+    closesocket(sockfd);
+    socket_init = false;
+}
+
+void end_wlpif()
+{
+    if (wlpif_init == false)
+        return;
+
+    Wifi_DisconnectAP();
+    wlpif_init = false;
+}
+
+
+
+s32 net_snd(char* data_buff, s32 bytes)
+{
+    if (socket_init == false)
+        return -1;
+
+    sendto(sockfd,	data_buff, bytes, 0, (struct sockaddr *)&sa_out, sizeof(sa_out));
+
+    return 1;
+}
+
+s32 net_rcv(char* data_buff, s32 bytes)
+{
+    if (socket_init == false)
+        return -1;
+
+    s32 received_bytes;
+    s32 info_size = sizeof(sa_in);
+
+    received_bytes = recvfrom(sockfd, data_buff, bytes,
+                              ~MSG_PEEK,
+                              (struct sockaddr *)&sa_in, (int*) &info_size);
+
+    return received_bytes;
+}
+
+
+bool rcv_room_from_server(char* data_buff, s32 bytes, gs_t* const game_status)
+{
+    if (socket_init == false)
+        return -1;
+
+    memset(data_buff, 0, 1024);
+    s32 data_buff_len = net_rcv(data_buff, bytes);
+
+    if (data_buff_len < 0) {
+        return false;
+    } else if (data_buff_len == 0) {
+        *game_status = QUIT;
+        return false;
+    }
+
+    if ((s32)data_buff_len == strlen(data_buff)) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
--- a/ee310-mes/source/network.h
+++ b/ee310-mes/source/network.h
@@ -0,0 +1,63 @@
+#pragma once
+
+#include <nds.h>
+#include <dswifi9.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+#include "engine.h"
+#include "utils.h"
+
+/**
+ * @brief Server Listen and Server Ip's
+ */
+#define DEFAULT_IP "35.157.44.223" //AWS_IP
+#define DEFAULT_IP_BIN 0x239d2cdf //Precomputed because arpa/inet.h is not available
+
+/**
+ * @brief default port for UDP/TCP communication
+ */
+#define DEFAULT_PORT 27500
+
+
+/*typedef struct {
+	u16 addraddr;
+	u16 addr;
+} saddr_t;*/
+typedef struct sockaddr_in saddr_t;
+
+typedef enum {INVALID = -1, NAME, GSTART, ACTION} client_message_t;
+
+/** ======================================================================
+ * @brief Initializes and connects to WIFI
+ * @return error
+ */
+s16 init_wlpif();
+
+/** ======================================================================
+ * @brief get a socket for communication and sets its reception timeout
+ * @param receive timeout in seconds, 0 means infinity (no timeout)
+ * @return error
+ */
+s16 init_socket(const s16 receive_timeout_in_seconds);
+
+/** ======================================================================
+ * @brief Cleans up a socket
+ */
+void end_socket();
+
+/** ======================================================================
+ * @brief Disconnects from wifi
+ */
+void end_wlpif();
+
+
+// VARIOUS FUNCTIONS
+
+s32 net_snd(char* data_buff, s32 bytes);
+
+s32 net_rcv(char* data_buff, s32 bytes);
+
+bool rcv_room_from_server(char* data_buff, s32 bytes, gs_t* const game_status);
--- a/ee310-mes/source/utils.h
+++ b/ee310-mes/source/utils.h
@@ -0,0 +1,304 @@
+/**
+* @file util.h
+*/
+
+#pragma once
+
+/**
+ * @file util.h
+ * @author C. Hölzl
+ * @brief util header file
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <nds.h>
+#include <fat.h>
+#include <stdio.h>
+#include <string.h>
+
+#define NAME_LEN 2
+
+#define MAX(x,y) ((x)>(y)?(x):(y))
+#define MIN(x,y) ((x)<(y)?(x):(y))
+#define ABS(x) ((x)<0?(-(x)):(x))
+#define MOD(x,y) (((y)==0)?0:((s32)((x)+(y)))%(y))
+#define SIGN(a) ((a)/abs(a))
+
+#define ARGB6(a,r,g,b)  ( ((a) << 5) | ((r)|((g)<<5)|((b)<<10)))
+
+#define HALF_BRIGHT_COLOR(color) ARGB16((color >> 15),\
+    			(color & 0x1F)/2,\
+    			((color >> 5) & 0x1F)/2,\
+    			((color >> 10) & 0x1F)/2)
+
+#define TRANSPARENT ARGB16(0,0,0,0)
+#define DARK_DARK_WHITE ARGB16(1,7,7,7)
+#define DARK_WHITE ARGB16(1,15,15,15)
+#define WHITE ARGB16(1,29,29,30)
+#define DARK_BLUE ARGB16(1,7,8,10)
+#define BLUE ARGB16(1,11,16,21)
+#define DARK_RED ARGB16(1,12,6,7)
+#define RED ARGB16(1,23,12,13)
+#define DARK_ORANGE ARGB16(1,13,8,7)
+#define ORANGE ARGB16(1,25,16,14)
+#define DARK_YELLOW ARGB16(1,15,13,9)
+#define YELLOW ARGB16(1,29,25,17)
+#define DARK_GREEN ARGB16(1,10,12,9)
+#define GREEN ARGB16(1,20,23,17)
+#define DARK_VIOLET ARGB16(1,11,9,11)
+#define VIOLET ARGB16(1,11,9,11)
+
+#define P_TRANSPARENT 31
+#define P_WHITE 16
+#define P_DARK_WHITE 17
+#define P_DARK_DARK_WHITE 18
+#define P_BLUE 19
+#define P_DARK_BLUE 20
+#define P_RED 21
+#define P_DARK_RED 22
+#define P_ORANGE 23
+#define P_DARK_ORANGE 24
+#define P_YELLOW 25
+#define P_DARK_YELLOW 26
+#define P_GREEN 27
+#define P_DARK_GREEN 28
+#define P_VIOLET 29
+#define P_DARK_VIOLET 30
+
+#define SET_PERSONAL_PALETTE(PTR)\
+	do {\
+		PTR[P_TRANSPARENT] = TRANSPARENT;\
+		PTR[P_WHITE] = WHITE;\
+		PTR[P_DARK_WHITE] = DARK_WHITE;\
+		PTR[P_DARK_DARK_WHITE] = DARK_DARK_WHITE;\
+		PTR[P_BLUE] = BLUE;\
+		PTR[P_DARK_BLUE] = DARK_BLUE;\
+		PTR[P_RED] = RED;\
+		PTR[P_DARK_RED] = DARK_RED;\
+		PTR[P_ORANGE] = ORANGE;\
+		PTR[P_DARK_ORANGE] = DARK_ORANGE;\
+		PTR[P_YELLOW] = YELLOW;\
+		PTR[P_DARK_YELLOW] = DARK_YELLOW;\
+		PTR[P_GREEN] = GREEN;\
+		PTR[P_DARK_GREEN] = DARK_GREEN;\
+		PTR[P_VIOLET] = VIOLET;\
+		PTR[P_DARK_VIOLET] = DARK_VIOLET;\
+	} while (false)
+
+typedef enum {GGAME, GGAME_ALT, GMENU} gmode_t;
+
+/*
+ * Initialize random number generator
+ */
+static inline void rand_init(u32 seed)
+{
+    srand(seed);
+}
+
+/*
+ * Generate a random number within range
+ */
+static inline u32 rand_value(u32 range)
+{
+    return ((u32)((float32) range * rand() / (RAND_MAX + 1.0)));
+}
+
+typedef enum { TA_LEFT, TA_RIGHT, TA_CENTER} textalign_t;
+
+#define PNAME {PersonalData->name[0],PersonalData->name[1],0}
+#define SCORE_TAB_SIZE 16
+
+#define SECTIME_MAX_VALUE 9999
+
+typedef struct {
+    char name[NAME_LEN + 1];
+    u32 time;
+} pscore_t;
+
+pscore_t highscore[SCORE_TAB_SIZE];
+
+#define POWERDWN() powerOn(PM_SYSTEM_PWR)
+
+static inline void write_score()
+{
+    FILE* file = fopen("/nfh8_score.txt", "w+");
+
+    if (file != NULL) {
+        u32 i;
+
+        for (i = 0; i < SCORE_TAB_SIZE; ++i) {
+            fprintf(file, "%2s %u\n", highscore[i].name, highscore[i].time);
+        }
+
+        fclose(file);
+    }
+}
+
+static inline void insert_score(const pscore_t* score)
+{
+    u32 i = SCORE_TAB_SIZE - 1;
+
+    //pscore_t tmp = {"++",SECTIME_MAX_VALUE};
+    while (i < SCORE_TAB_SIZE && score->time < highscore[i].time) {
+        if (i - 1 >= 0) {
+            strncpy(highscore[i].name, highscore[i - 1].name, NAME_LEN);
+            highscore[i].time = highscore[i - 1].time;
+        }
+
+        strncpy(highscore[i - 1].name, score->name, NAME_LEN);
+        highscore[i - 1].time = score->time;
+        ++i;
+    }
+}
+
+static inline pscore_t* get_score()
+{
+    return highscore;
+}
+
+static inline void read_score()
+{
+    FILE* file = fopen("/nfh8_score.txt", "r");
+
+    if (file != NULL) {
+        u32 i;
+
+        for (i = 0; i < SCORE_TAB_SIZE; ++i) {
+            u8 r = fscanf(file, "%2s %u\n", highscore[i].name, &(highscore[i].time));
+
+            if (r != 2 || strnlen(highscore[i].name, NAME_LEN + 1) == 0 || highscore[i].time > SECTIME_MAX_VALUE) {
+                //strncpy(highscore[i].name, "--", NAME_LEN);
+                highscore[i].time = SECTIME_MAX_VALUE;
+            }
+        }
+
+        fclose(file);
+    } else {
+        u32 i;
+
+        for (i = 0; i < SCORE_TAB_SIZE; ++i) {
+            strncpy(highscore[i].name, "", NAME_LEN);
+            highscore[i].time = SECTIME_MAX_VALUE;
+        }
+    }
+}
+
+
+static inline u16 char_to_tile(char c)
+{
+    if (c >= 'A' && c <= 'Z') {
+        return (c - 'A') + 1;
+    }
+
+    if (c >= 'a' && c <= 'z') {
+        return (c - 'a') + 39;
+    }
+
+    if (c >= '1' && c <= '9') {
+        return (c - '1') + 27;
+    }
+
+    if (c == '0') {
+        return 36;
+    }
+
+    switch (c) {
+    case '[':
+        return 37;
+
+    case ']':
+        return 38;
+
+    case '!':
+        return 65;
+
+    case '.':
+        return 66;
+
+    case '?':
+        return 67;
+
+    case '@':
+        return 68;
+
+    case '#':
+        return 69;
+
+    case '$':
+        return 70;
+
+    case '%':
+        return 71;
+
+    case '^':
+        return 72;
+
+    case '&':
+        return 73;
+
+    case '(':
+        return 74;
+
+    case ')':
+        return 75;
+
+    case ':':
+        return 76;
+
+    case ';':
+        return 77;
+
+    case ',':
+        return 78;
+
+    case '\'':
+        return 79;
+
+    case '+':
+        return 81;
+
+    case '-':
+        return 82;
+
+    case '=':
+        return 83;
+
+    case '{':
+        return 84;
+
+    case '}':
+        return 85;
+
+    case '\\':
+        return 86;
+
+    case '/':
+        return 87;
+
+    case '<':
+        return 88;
+
+    case '>':
+        return 89;
+
+    case '`':
+        return 90;
+
+    case '"':
+        return 91;
+
+    case ' ':
+        return 0;
+
+    default:
+        return 0;
+    }
+}
+
+
+#ifdef __cplusplus
+}
+#endif