added obstacles and boost mode
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@ -25,14 +25,15 @@
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#if defined MENU_SUPPORT && defined GAME_KART
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#if defined MENU_SUPPORT && defined GAME_KART
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// icon (TODO: convert to hex)
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// icon (TODO: convert to hex)
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static const uint8_t icon[8] PROGMEM =
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static const uint8_t icon[8] PROGMEM =
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{ 0b11100001,
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{ 0xE1, // 0b11100001,
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0b11100001,
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0xE1, // 0b11100001,
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0b11000011,
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0xC3, // 0b11000011,
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0b10000111,
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0x87, // 0b10000111,
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0b10000111,
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0x87, // 0b10000111,
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0b11000011,
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0xC3, // 0b11000011,
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0b11000011,
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0xC3, // 0b11000011,
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0b10010111};
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0x97, // 0b10010111
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};
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game_descriptor_t kart_game_descriptor __attribute__((section(".game_descriptors"))) =
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game_descriptor_t kart_game_descriptor __attribute__((section(".game_descriptors"))) =
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{
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{
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@ -41,68 +42,109 @@ game_descriptor_t kart_game_descriptor __attribute__((section(".game_descriptors
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};
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};
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#endif
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#endif
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#define WAIT 20
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#define WAIT 15
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#define DRIVEDIV 5
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#define DRIVE_DIV 10
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#define MOVEDIV 1
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#define DECREASE_WIDTH_DIV 600
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#define DIRECTION_DIV 20
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#define DIRECTION_DIV 20
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#define DECREASE_WIDTH_DIV 300
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#define ACCELERATE_DIV 800
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#define KEY_IGNORE 10
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#define CURVE_PROP 50
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#define OBSTACLE_PROP 30
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// !! OBSTACLE_DIV in relation to drive steps
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#define OBSTACLE_DIV 3
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#define BOOST_CYCLES 150
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#define BOOST_MULTIPLIER 5
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#define KEY_IGNORE_INITIAL 15
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#define KEY_IGNORE 7
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#define CARCOLOR 3
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#define CARCOLOR 3
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#define BORDERCOLOR 2
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#define BORDERCOLOR 2
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#define LINECOLOR 1
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#define LINECOLOR 1
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#define OBSTACLE_COLOR 3
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#define CURVE_PROP 50
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// borders = (middle, width, obstacle_pos)
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uint8_t borders[NUM_ROWS][3];
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uint8_t borders[NUM_ROWS][2];
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uint32_t extra_score = 0;
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uint8_t key_ignore[2];
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void kart_game(){
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void kart_game(){
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// Initialisation
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// Initialisation
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uint32_t decrease_width_div = DECREASE_WIDTH_DIV;
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uint8_t key_ignore[2];
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uint8_t drive_div = DRIVE_DIV;
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uint8_t carpos = NUM_COLS / 2;
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uint8_t carpos = NUM_COLS / 2;
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uint32_t cycle = 0;
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uint32_t cycle = 0;
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uint8_t draw_line = 1;
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uint8_t draw_middle_line = 1;
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uint8_t width = NUM_COLS - 2;
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uint8_t width = NUM_COLS - 2;
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uint8_t middle = NUM_COLS / 2;
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uint8_t middle = NUM_COLS / 2;
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// obstacle_pos == 0 --> no obstacle
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uint8_t obstacle_pos = 0;
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char game_over[100] = "";
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char game_over[100] = "";
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uint32_t boost_till = 0;
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uint8_t boost_multiplier = 1;
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key_ignore[0] = 0;
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key_ignore[0] = 0;
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key_ignore[1] = 0;
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key_ignore[1] = 0;
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clear_screen(0);
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clear_screen(0);
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// init border memory
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// init street memory
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for(uint8_t row = 0; row < NUM_ROWS; row++){
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for(uint8_t row = 0; row < NUM_ROWS; row++){
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borders[row][0] = middle;
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borders[row][0] = middle;
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borders[row][1] = NUM_COLS;
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borders[row][1] = NUM_COLS;
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borders[row][2] = 0;
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}
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}
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// init street border
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line((pixel){0,0}, (pixel){0,NUM_ROWS}, BORDERCOLOR);
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line((pixel){NUM_COLS-1,0}, (pixel){NUM_COLS-1,NUM_ROWS}, BORDERCOLOR);
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setpixel((pixel){carpos, NUM_ROWS-1}, CARCOLOR);
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setpixel((pixel){carpos, NUM_ROWS-1}, CARCOLOR);
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// main loop
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// main loop
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while(1){
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while(1){
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// DECREASE WIDTH
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// DECREASE WIDTH
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if(cycle % DECREASE_WIDTH_DIV == 0){
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if(cycle % decrease_width_div == 0){
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width--;
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width--;
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decrease_width_div = decrease_width_div*2;
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}
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// INCREASE SPEED
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if(cycle % ACCELERATE_DIV == 0 ){
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drive_div--;
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}
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}
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// MOVE
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// MOVE
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if (JOYISLEFT && key_ignore[0] <= 0){
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if (JOYISLEFT && key_ignore[0] == 1){
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setpixel((pixel){carpos, NUM_ROWS-1}, 0);
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setpixel((pixel){carpos, NUM_ROWS-1}, 0);
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carpos++;
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carpos++;
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key_ignore[0] = KEY_IGNORE;
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key_ignore[0] = KEY_IGNORE;
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key_ignore[1] = 0;
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key_ignore[1] = 0;
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}else if (JOYISRIGHT && key_ignore[1] <= 0){
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}else if (JOYISRIGHT && key_ignore[1] == 1){
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setpixel((pixel){carpos, NUM_ROWS-1}, 0);
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setpixel((pixel){carpos, NUM_ROWS-1}, 0);
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carpos--;
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carpos--;
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key_ignore[1] = KEY_IGNORE;
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key_ignore[1] = KEY_IGNORE;
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key_ignore[0] = 0;
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key_ignore[0] = 0;
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}else if (JOYISLEFT && key_ignore[0] <= 0){
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setpixel((pixel){carpos, NUM_ROWS-1}, 0);
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carpos++;
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key_ignore[0] = KEY_IGNORE_INITIAL;
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key_ignore[1] = 0;
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}else if (JOYISRIGHT && key_ignore[1] <= 0){
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setpixel((pixel){carpos, NUM_ROWS-1}, 0);
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carpos--;
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key_ignore[1] = KEY_IGNORE_INITIAL;
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key_ignore[0] = 0;
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}else if(JOYISUP && boost_till == 0){
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boost_till = cycle + BOOST_CYCLES;
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boost_multiplier = BOOST_MULTIPLIER;
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}else if(!(JOYISRIGHT || JOYISLEFT)){
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}else if(!(JOYISRIGHT || JOYISLEFT)){
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key_ignore[1] = 0;
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key_ignore[1] = 0;
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key_ignore[0] = 0;
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key_ignore[0] = 0;
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@ -112,6 +154,14 @@ void kart_game(){
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break;
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break;
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}
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}
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if(boost_till <= cycle && boost_multiplier > 1){
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boost_till = cycle + BOOST_CYCLES;
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boost_multiplier--;
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}else if(boost_multiplier == 1){
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boost_till = 0;
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extra_score += BOOST_CYCLES * BOOST_MULTIPLIER;
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}
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// DIRECTION-STEP
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// DIRECTION-STEP
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if(cycle % DIRECTION_DIV == 0){
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if(cycle % DIRECTION_DIV == 0){
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@ -125,12 +175,12 @@ void kart_game(){
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}
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}
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// DRIVE-STEP
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// DRIVE-STEP
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if(cycle % DRIVEDIV == 0){
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if(cycle % (drive_div / boost_multiplier) == 0){
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// shift pixmap down
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// shift pixmap down
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drive();
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drive();
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// save border state
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// save border state
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save_borders(middle, width);
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save_street(middle, width, obstacle_pos);
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// draw new first line
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// draw new first line
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unsigned int px;
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unsigned int px;
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@ -139,18 +189,28 @@ void kart_game(){
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setpixel((pixel){px, 0}, BORDERCOLOR);
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setpixel((pixel){px, 0}, BORDERCOLOR);
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}
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}
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}
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}
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}
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// toggle drawing the middle line
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// toggle drawing the middle line
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if(cycle % (DRIVEDIV*4) == 0){
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if(cycle % ((drive_div / boost_multiplier)*4) == 0){
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draw_line = 1-draw_line;
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draw_middle_line = 1-draw_middle_line;
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}
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}
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// paint middle line
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// paint middle line
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if(width > 6 && draw_line){
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if(width > 6 && draw_middle_line){
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setpixel((pixel){middle, 0}, LINECOLOR);
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setpixel((pixel){middle, 0}, LINECOLOR);
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}
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}
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// set obstacle
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obstacle_pos = 0;
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if(cycle % OBSTACLE_DIV == 0 ){
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int rnd = random8();
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if(rnd < OBSTACLE_PROP){
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obstacle_pos = (random8() % width) + (middle - width/2);
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setpixel((pixel){obstacle_pos, 0}, OBSTACLE_COLOR);
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}
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}
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}
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// Paint car
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// Paint car
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setpixel((pixel){carpos, NUM_ROWS-1}, CARCOLOR);
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setpixel((pixel){carpos, NUM_ROWS-1}, CARCOLOR);
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@ -190,17 +250,20 @@ void drive(void){
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}
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}
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/**
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/**
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* Save the border state at the top line, so collision detection can
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* Save the street state at the top line, so collision detection can
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* work in the last line (where the car is).
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* work in the last line (where the car is).
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*/
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*/
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void save_borders(uint8_t middle, uint8_t width){
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void save_street(uint8_t middle, uint8_t width, uint8_t obstacle_pos){
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uint8_t row;
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uint8_t row;
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for(row = NUM_ROWS-1; row > 0 ; row--){
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for(row = NUM_ROWS-1; row > 0 ; row--){
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borders[row][0] = borders[row-1][0];
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borders[row][0] = borders[row-1][0];
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borders[row][1] = borders[row-1][1];
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borders[row][1] = borders[row-1][1];
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borders[row][2] = borders[row-1][2];
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}
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}
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borders[0][0] = middle;
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borders[0][0] = middle;
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borders[0][1] = width;
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borders[0][1] = width;
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borders[0][2] = obstacle_pos;
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}
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}
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/**
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/**
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@ -209,6 +272,7 @@ void save_borders(uint8_t middle, uint8_t width){
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uint8_t check_collision(uint8_t carpos){
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uint8_t check_collision(uint8_t carpos){
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uint8_t middle = borders[NUM_ROWS-1][0];
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uint8_t middle = borders[NUM_ROWS-1][0];
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uint8_t width = borders[NUM_ROWS-1][1];
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uint8_t width = borders[NUM_ROWS-1][1];
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uint8_t obstacle_pos = borders[NUM_ROWS-1][2];
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return ( carpos<middle-(width/2) || carpos >= middle+(width/2) );
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return ( carpos<middle-(width/2) || carpos >= middle+(width/2) || (obstacle_pos != 0 && carpos == obstacle_pos) );
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}
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}
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@ -11,7 +11,7 @@
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void kart_game(void);
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void kart_game(void);
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void drive(void);
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void drive(void);
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void save_borders(uint8_t middle, uint8_t width);
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void save_street(uint8_t middle, uint8_t width, uint8_t obstacle_pos);
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uint8_t check_collision(uint8_t carpos);
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uint8_t check_collision(uint8_t carpos);
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#endif /* KART_H_ */
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#endif /* KART_H_ */
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