snake: better playability
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@ -65,7 +65,8 @@ ANIMATION_SPIRAL=y
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SPIRAL_DELAY=5
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# ANIMATION_JOERN1 is not set
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ANIMATION_SNAKE=y
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SNAKE_CYCLE_DELAY=40
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SNAKE_GAME_DELAY=200
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SNAKE_ANIM_DELAY=40
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SNAKE_TERMINATION_DELAY=30
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SNAKE_MAX_LENGTH=64
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SNAKE_MAX_APPLES=10
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@ -68,7 +68,8 @@ ANIMATION_SPIRAL=y
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SPIRAL_DELAY=5
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# ANIMATION_JOERN1 is not set
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# ANIMATION_SNAKE is not set
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SNAKE_CYCLE_DELAY=100
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SNAKE_GAME_DELAY=200
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SNAKE_ANIM_DELAY=100
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SNAKE_TERMINATION_DELAY=60
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SNAKE_MAX_LENGTH=64
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SNAKE_MAX_APPLES=10
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@ -63,7 +63,8 @@ ANIMATION_SPIRAL=y
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SPIRAL_DELAY=5
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ANIMATION_JOERN1=y
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ANIMATION_SNAKE=y
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SNAKE_CYCLE_DELAY=100
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SNAKE_GAME_DELAY=200
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SNAKE_ANIM_DELAY=100
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SNAKE_TERMINATION_DELAY=60
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SNAKE_MAX_LENGTH=64
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SNAKE_MAX_APPLES=10
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@ -63,7 +63,8 @@ ANIMATION_SPIRAL=y
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SPIRAL_DELAY=5
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ANIMATION_JOERN1=y
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ANIMATION_SNAKE=y
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SNAKE_CYCLE_DELAY=100
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SNAKE_GAME_DELAY=200
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SNAKE_ANIM_DELAY=100
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SNAKE_TERMINATION_DELAY=60
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SNAKE_MAX_LENGTH=64
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SNAKE_MAX_APPLES=10
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@ -63,7 +63,8 @@ ANIMATION_SPIRAL=y
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SPIRAL_DELAY=5
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ANIMATION_JOERN1=y
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ANIMATION_SNAKE=y
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SNAKE_CYCLE_DELAY=100
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SNAKE_GAME_DELAY=200
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SNAKE_ANIM_DELAY=100
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SNAKE_TERMINATION_DELAY=60
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SNAKE_MAX_LENGTH=64
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SNAKE_MAX_APPLES=10
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@ -85,7 +85,8 @@ ANIMATION_SPIRAL=y
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SPIRAL_DELAY=5
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ANIMATION_JOERN1=y
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ANIMATION_SNAKE=y
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SNAKE_CYCLE_DELAY=100
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SNAKE_GAME_DELAY=200
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SNAKE_ANIM_DELAY=100
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SNAKE_TERMINATION_DELAY=60
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SNAKE_MAX_LENGTH=64
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SNAKE_MAX_APPLES=10
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@ -61,7 +61,8 @@ ANIMATION_SPIRAL=y
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SPIRAL_DELAY=20
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ANIMATION_JOERN1=y
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ANIMATION_SNAKE=y
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SNAKE_CYCLE_DELAY=100
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SNAKE_GAME_DELAY=200
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SNAKE_ANIM_DELAY=100
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SNAKE_TERMINATION_DELAY=60
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SNAKE_MAX_LENGTH=64
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SNAKE_MAX_APPLES=10
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@ -82,7 +82,8 @@ ANIMATION_SPIRAL=y
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SPIRAL_DELAY=5
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ANIMATION_JOERN1=y
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ANIMATION_SNAKE=y
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SNAKE_CYCLE_DELAY=100
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SNAKE_GAME_DELAY=200
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SNAKE_ANIM_DELAY=100
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SNAKE_TERMINATION_DELAY=60
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SNAKE_MAX_LENGTH=64
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SNAKE_MAX_APPLES=10
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@ -74,7 +74,8 @@ ANIMATION_SPIRAL=y
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SPIRAL_DELAY=5
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ANIMATION_JOERN1=y
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ANIMATION_SNAKE=y
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SNAKE_CYCLE_DELAY=50
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SNAKE_GAME_DELAY=200
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SNAKE_ANIM_DELAY=50
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SNAKE_TERMINATION_DELAY=60
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SNAKE_MAX_LENGTH=64
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SNAKE_MAX_APPLES=10
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@ -78,7 +78,8 @@ ANIMATION_SPIRAL=y
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SPIRAL_DELAY=5
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ANIMATION_JOERN1=y
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ANIMATION_SNAKE=y
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SNAKE_CYCLE_DELAY=100
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SNAKE_GAME_DELAY=200
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SNAKE_ANIM_DELAY=100
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SNAKE_TERMINATION_DELAY=60
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SNAKE_MAX_LENGTH=64
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SNAKE_MAX_APPLES=10
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@ -9,7 +9,8 @@ comment "Animations"
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bool "Joern1" ANIMATION_JOERN1
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dep_bool_menu "Snake" ANIMATION_SNAKE $RANDOM_SUPPORT
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int "Snake Round Delay" SNAKE_CYCLE_DELAY 100
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int "Snake Game Round Delay" SNAKE_GAME_DELAY 200
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int "Snake Anim Round Delay" SNAKE_ANIM_DELAY 100
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int "Snake Termination Delay" SNAKE_TERMINATION_DELAY 60
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uint "Snake Max Length" SNAKE_MAX_LENGTH 64
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int "Snake Max Apples" SNAKE_MAX_APPLES 10
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@ -51,9 +51,14 @@ game_descriptor_t snake_game_descriptor __attribute__((section(".game_descriptor
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#define SNAKE_MAX_APPLES 10
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#endif
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#if !defined SNAKE_CYCLE_DELAY || defined DOXYGEN
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#if !defined SNAKE_GAME_DELAY || defined DOXYGEN
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/** Delay (in ms) between every state change. */
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#define SNAKE_CYCLE_DELAY 100
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#define SNAKE_GAME_DELAY 200
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#endif
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#if !defined SNAKE_ANIM_DELAY || defined DOXYGEN
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/** Delay (in ms) between every state change. */
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#define SNAKE_ANIM_DELAY 100
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#endif
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#if !defined SNAKE_TERMINATION_DELAY || defined DOXYGEN
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@ -192,11 +197,21 @@ static snake_dir_t snake_queryJoystick(void)
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*/
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static void snake_initGameProtagonist(snake_protagonist_t *pprotSnake)
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{
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pprotSnake->aSegments[0] = (pixel){NUM_COLS / 2, NUM_ROWS / 2};
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pprotSnake->aSegments[1] = (pixel){NUM_COLS / 2, NUM_ROWS / 2 - 1};
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#if NUM_ROWS > NUM_COLS
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pprotSnake->aSegments[0] =
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(pixel){(NUM_COLS - 2) / 2 + 1, (NUM_ROWS - 2) / 2 + 1};
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pprotSnake->aSegments[1] =
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(pixel){(NUM_COLS - 2) / 2 + 1, (NUM_ROWS - 2) / 2};
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pprotSnake->dir = SNAKE_DIR_DOWN;
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#else
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pprotSnake->aSegments[0] =
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(pixel){(NUM_COLS - 2) / 2 + 1, (NUM_ROWS - 2) / 2 + 1};
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pprotSnake->aSegments[1] =
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(pixel){(NUM_COLS - 2) / 2 + 2, (NUM_ROWS - 2) / 2 + 1};
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pprotSnake->dir = SNAKE_DIR_RIGHT;
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#endif
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pprotSnake->nTailIndex = 0;
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pprotSnake->nHeadIndex = 1;
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pprotSnake->dir = SNAKE_DIR_UP;
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}
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#ifdef GAME_SNAKE
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@ -403,7 +418,7 @@ void snake_engine(uint8_t bDemoMode)
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clear_screen(0);
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snake_drawBorder();
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for (uint8_t nAppleColor = 0; 1; nAppleColor ^= SNAKE_COLOR_APPLE)
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for (uint8_t nTick = 0; 1; nTick ^= SNAKE_COLOR_APPLE)
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{
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// determine new direction
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#if defined ANIMATION_SNAKE && defined GAME_SNAKE
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@ -415,48 +430,66 @@ void snake_engine(uint8_t bDemoMode)
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{
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snake_userControl(&protSnake, &dirLast);
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}
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if (bDemoMode || nTick) {
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#elif defined ANIMATION_SNAKE
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snake_autoRoute(&protSnake, &apples);
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{
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#else
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snake_userControl(&protSnake, &dirLast);
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if (nTick) {
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#endif
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// actually move head
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pixel pxOldHead = protSnake.aSegments[protSnake.nHeadIndex];
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protSnake.nHeadIndex = (protSnake.nHeadIndex + 1u) % USNAKE_MAX_LENGTH;
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protSnake.aSegments[protSnake.nHeadIndex] =
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snake_nextDirection(pxOldHead, protSnake.dir);
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// actually move head
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pixel pxOldHead = protSnake.aSegments[protSnake.nHeadIndex];
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protSnake.nHeadIndex = (protSnake.nHeadIndex + 1u) % USNAKE_MAX_LENGTH;
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protSnake.aSegments[protSnake.nHeadIndex] =
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snake_nextDirection(pxOldHead, protSnake.dir);
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// look if we have found an apple
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if (!snake_checkForApple(&apples,
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protSnake.aSegments[protSnake.nHeadIndex]))
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{
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// quit game if we hit something which is not an apple
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if (get_pixel(protSnake.aSegments[protSnake.nHeadIndex]))
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// look if we have found an apple
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if (!snake_checkForApple(&apples,
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protSnake.aSegments[protSnake.nHeadIndex]))
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{
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snake_eliminateProtagonist(&protSnake);
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return;
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// quit game if we hit something which is not an apple
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if (get_pixel(protSnake.aSegments[protSnake.nHeadIndex]))
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{
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snake_eliminateProtagonist(&protSnake);
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return;
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}
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// remove last segment
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clearpixel(protSnake.aSegments[protSnake.nTailIndex])
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protSnake.nTailIndex =
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(protSnake.nTailIndex + 1u) % USNAKE_MAX_LENGTH;
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// new apples
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snake_spawnApples(&apples);
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}
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// remove last segment
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clearpixel(protSnake.aSegments[protSnake.nTailIndex])
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protSnake.nTailIndex =
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(protSnake.nTailIndex + 1u) % USNAKE_MAX_LENGTH;
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// new apples
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snake_spawnApples(&apples);
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// draw new head
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setpixel(protSnake.aSegments[protSnake.nHeadIndex],
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SNAKE_COLOR_PROTAGONIST);
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}
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// draw new head
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setpixel(protSnake.aSegments[protSnake.nHeadIndex],
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SNAKE_COLOR_PROTAGONIST);
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// draw apples
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for (uint8_t i = apples.nAppleCount; i--;)
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{
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setpixel(apples.aApples[i], nAppleColor);
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// nTick also serves as blinking color
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setpixel(apples.aApples[i], nTick);
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}
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wait(SNAKE_CYCLE_DELAY);
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#if defined ANIMATION_SNAKE && defined GAME_SNAKE
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if (bDemoMode)
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{
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wait(SNAKE_ANIM_DELAY);
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}
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else
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{
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wait(SNAKE_GAME_DELAY / 2);
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}
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#elif defined ANIMATION_SNAKE
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wait(SNAKE_ANIM_DELAY);
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#else
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wait(SNAKE_GAME_DELAY / 2);
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#endif
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}
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}
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@ -466,6 +499,9 @@ void snake_engine(uint8_t bDemoMode)
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void snake_game(void)
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{
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snake_engine(0);
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#if defined GAME_SNAKE && defined SCROLLTEXT_SUPPORT
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scrolltext("</#Game Over!");
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#endif
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}
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/*@}*/
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