228 lines
12 KiB
C
228 lines
12 KiB
C
#include <stdint.h>
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#include <stddef.h>
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#include "shapes.h"
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#include "canvas.h"
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#include "../rgb-driver/colors.h"
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typedef enum { e_I=0, e_O, e_T, e_Z, e_S, e_L, e_J, e_ShapeInvalid } shape_t;
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typedef enum { e_MoveDown, e_MoveLeft, e_MoveRight, e_RotateLeft, e_RotateRight } direction_t;
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typedef enum { e_0, e_90, e_180, e_270, e_Keep } orientation_t;
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typedef struct {
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shape_t shape;
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orientation_t orientation;
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uint8_t x; // column
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uint8_t y; // row
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} stone_t;
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typedef struct {
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uint8_t x;
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uint8_t y;
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} pixel_t;
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typedef struct {
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int8_t x;
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int8_t y;
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} offset_t;
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typedef struct {
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offset_t set[4];
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offset_t reset[4];
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offset_t offset;
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} motion_t;
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typedef struct {
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uint8_t color;
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uint8_t nullRotation;
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pixel_t draw[4];
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motion_t motion[5][4];
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} motionTable_t;
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const motionTable_t motions[2] = { // 2 = number of implemented stones
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{ // I
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.color = _cyan,
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.nullRotation = 0,
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.draw = { { 0, 0}, { 0, 1}, { 0, 2}, { 0, 3} },
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.motion = {
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{
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// move down
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{ .set = { { 0, 4}, { 0, 4}, { 0, 4}, { 0, 4} }, .reset = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .offset = { 0, 1} }, // 0
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{ .set = { { 0, 1}, { 1, 1}, { 2, 1}, { 3, 1} }, .reset = { { 0, 0}, { 1, 0}, { 2, 0}, { 3, 0} }, .offset = { 0, 1} }, // 90
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{ .set = { { 0, 4}, { 0, 4}, { 0, 4}, { 0, 4} }, .reset = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .offset = { 0, 1} }, // 180
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{ .set = { { 0, 1}, { 1, 1}, { 2, 1}, { 3, 1} }, .reset = { { 0, 0}, { 1, 0}, { 2, 0}, { 3, 0} }, .offset = { 0, 1} } // 270
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},
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{
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// move left
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{ .set = { {-1, 0}, {-1, 1}, {-1, 2}, {-1, 3} }, .reset = { { 0, 0}, { 0, 1}, { 0, 2}, { 0, 3} }, .offset = {-1, 0} }, // 0
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{ .set = { {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0} }, .reset = { { 3, 0}, { 3, 0}, { 3, 0}, { 3, 0} }, .offset = {-1, 0} }, // 90
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{ .set = { {-1, 0}, {-1, 1}, {-1, 2}, {-1, 3} }, .reset = { { 0, 0}, { 0, 1}, { 0, 2}, { 0, 3} }, .offset = {-1, 0} }, // 180
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{ .set = { {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0} }, .reset = { { 3, 0}, { 3, 0}, { 3, 0}, { 3, 0} }, .offset = {-1, 0} }, // 270
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},
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{
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// move right
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{ .set = { { 1, 0}, { 1, 1}, { 1, 2}, { 1, 3} }, .reset = { { 0, 0}, { 0, 1}, { 0, 2}, { 0, 3} }, .offset = { 1, 0} }, // 0
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{ .set = { { 4, 0}, { 4, 0}, { 4, 0}, { 4, 0} }, .reset = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .offset = { 1, 0} }, // 90
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{ .set = { { 1, 0}, { 1, 1}, { 1, 2}, { 1, 3} }, .reset = { { 0, 0}, { 0, 1}, { 0, 2}, { 0, 3} }, .offset = { 1, 0} }, // 180
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{ .set = { { 4, 0}, { 4, 0}, { 4, 0}, { 4, 0} }, .reset = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .offset = { 1, 0} }, // 270
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},
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{
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// rotate left
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{ .set = { {-1, 1}, { 1, 1}, { 2, 1}, { 2, 1} }, .reset = { { 0, 0}, { 0, 2}, { 0, 3}, { 0, 3} }, .offset = {-1, 1} }, // 0
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{ .set = { { 1,-2}, { 1,-1}, { 1, 1}, { 1, 1} }, .reset = { { 0, 0}, { 2, 0}, { 3, 0}, { 3, 0} }, .offset = { 1,-2} }, // 90
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{ .set = { {-1, 1}, { 1, 1}, { 2, 1}, { 2, 1} }, .reset = { { 0, 0}, { 0, 2}, { 0, 3}, { 0, 3} }, .offset = {-1, 1} }, // 180
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{ .set = { { 1,-2}, { 1,-1}, { 1, 1}, { 1, 1} }, .reset = { { 0, 0}, { 2, 0}, { 3, 0}, { 3, 0} }, .offset = { 1,-2} }, // 270
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},
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{
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// rotate right
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{ .set = { {-2, 1}, {-1, 1}, { 1, 1}, { 1, 1} }, .reset = { { 0, 0}, { 0, 2}, { 0, 3}, { 0, 3} }, .offset = {-2, 1} }, // 0
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{ .set = { { 1,-1}, { 1, 1}, { 1, 2}, { 1, 2} }, .reset = { { 0, 0}, { 2, 0}, { 3, 0}, { 3, 0} }, .offset = { 1,-1} }, // 90
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{ .set = { {-2, 1}, {-1, 1}, { 1, 1}, { 1, 1} }, .reset = { { 0, 0}, { 0, 2}, { 0, 3}, { 0, 3} }, .offset = {-2, 1} }, // 180
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{ .set = { { 1,-1}, { 1, 1}, { 1, 2}, { 1, 2} }, .reset = { { 0, 0}, { 2, 0}, { 3, 0}, { 3, 0} }, .offset = { 1,-1} }, // 270
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},
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}
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},
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{ // O
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.color = _yellow,
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.nullRotation = 1,
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.draw = { { 0, 0}, { 0, 1}, { 1, 0}, { 1, 1} },
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.motion = {
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{
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// move down
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{ .set = { { 0, 2}, { 1, 2}, { 1, 2}, { 1, 2} }, .reset = { { 0, 0}, { 1, 0}, { 1, 0}, { 1, 0} }, .offset = { 0, 1} }, // 0
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{ .set = { { 0, 2}, { 1, 2}, { 1, 2}, { 1, 2} }, .reset = { { 0, 0}, { 1, 0}, { 1, 0}, { 1, 0} }, .offset = { 0, 1} }, // 90
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{ .set = { { 0, 2}, { 1, 2}, { 1, 2}, { 1, 2} }, .reset = { { 0, 0}, { 1, 0}, { 1, 0}, { 1, 0} }, .offset = { 0, 1} }, // 180
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{ .set = { { 0, 2}, { 1, 2}, { 1, 2}, { 1, 2} }, .reset = { { 0, 0}, { 1, 0}, { 1, 0}, { 1, 0} }, .offset = { 0, 1} }, // 270
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},
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{
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// move left
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{ .set = { {-1, 0}, {-1, 1}, {-1, 1}, {-1, 1} }, .reset = { { 1, 0}, { 1, 1}, { 1, 1}, { 1, 1} }, .offset = {-1, 0} }, // 0
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{ .set = { {-1, 0}, {-1, 1}, {-1, 1}, {-1, 1} }, .reset = { { 1, 0}, { 1, 1}, { 1, 1}, { 1, 1} }, .offset = {-1, 0} }, // 90
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{ .set = { {-1, 0}, {-1, 1}, {-1, 1}, {-1, 1} }, .reset = { { 1, 0}, { 1, 1}, { 1, 1}, { 1, 1} }, .offset = {-1, 0} }, // 180
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{ .set = { {-1, 0}, {-1, 1}, {-1, 1}, {-1, 1} }, .reset = { { 1, 0}, { 1, 1}, { 1, 1}, { 1, 1} }, .offset = {-1, 0} }, // 270
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},
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{
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// move right
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{ .set = { { 2, 0}, { 2, 1}, { 2, 1}, { 2, 1} }, .reset = { { 0, 0}, { 0, 1}, { 0, 1}, { 0, 1} }, .offset = { 1, 0} }, // 0
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{ .set = { { 2, 0}, { 2, 1}, { 2, 1}, { 2, 1} }, .reset = { { 0, 0}, { 0, 1}, { 0, 1}, { 0, 1} }, .offset = { 1, 0} }, // 90
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{ .set = { { 2, 0}, { 2, 1}, { 2, 1}, { 2, 1} }, .reset = { { 0, 0}, { 0, 1}, { 0, 1}, { 0, 1} }, .offset = { 1, 0} }, // 180
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{ .set = { { 2, 0}, { 2, 1}, { 2, 1}, { 2, 1} }, .reset = { { 0, 0}, { 0, 1}, { 0, 1}, { 0, 1} }, .offset = { 1, 0} }, // 270
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},
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{
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// rotate left
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{ .set = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .reset = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .offset = { 0, 0} }, // 0
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{ .set = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .reset = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .offset = { 0, 0} }, // 90
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{ .set = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .reset = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .offset = { 0, 0} }, // 180
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{ .set = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .reset = { { 0, 0}, { 0, 0}, { 0, 0}, { 0, 0} }, .offset = { 0, 0} }, // 270
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},
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{
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// rotate right
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{ .set = { {-2, 1}, {-1, 1}, { 1, 1}, { 1, 1} }, .reset = { { 0, 0}, { 0, 2}, { 0, 3}, { 0, 3} }, .offset = {-2, 1} }, // 0
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{ .set = { { 1,-1}, { 1, 1}, { 1, 2}, { 1, 2} }, .reset = { { 0, 0}, { 2, 0}, { 3, 0}, { 3, 0} }, .offset = { 1,-1} }, // 90
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{ .set = { {-2, 1}, {-1, 1}, { 1, 1}, { 1, 1} }, .reset = { { 0, 0}, { 0, 2}, { 0, 3}, { 0, 3} }, .offset = {-2, 1} }, // 180
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{ .set = { { 1,-1}, { 1, 1}, { 1, 2}, { 1, 2} }, .reset = { { 0, 0}, { 2, 0}, { 3, 0}, { 3, 0} }, .offset = { 1,-1} }, // 270
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},
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}
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}
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};
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const orientation_t nextOrientation[5][4] = { // 5 = number of directions to move, 4 = number of orientation a stone can have
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{ e_Keep, e_Keep, e_Keep, e_Keep }, // move down, current orientation: 0, 90, 180, 270
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{ e_Keep, e_Keep, e_Keep, e_Keep }, // move left
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{ e_Keep, e_Keep, e_Keep, e_Keep }, // move right
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{ e_270, e_0, e_90, e_180 }, // rotate left
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{ e_90, e_180, e_270, e_0 } // rotate right
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};
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stone_t stone;
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void shapesInit() {
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stone.shape = e_ShapeInvalid;
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}
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void stoneCreate() {
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static uint8_t cnt = 0;
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stone.shape = ((shape_t[]){ e_I, e_O, e_T, e_Z, e_S, e_L, e_J })[cnt];
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cnt++;
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if (cnt > 1) {
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cnt = 0;
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}
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stone.orientation = e_0;
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stone.x = 5;
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stone.y = 0;
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}
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uint8_t stoneIsValid() {
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return stone.shape != e_ShapeInvalid;
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}
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// all of them return 1 in case of success and 0 in case of error
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static uint8_t move(direction_t direction) {
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if (motions[stone.shape].nullRotation && (direction == e_RotateLeft || direction == e_RotateRight)) {
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return 1;
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}
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if (canvasIsPixelFree(stone.x + motions[stone.shape].motion[direction][stone.orientation].set[0].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].set[0].y) &&
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canvasIsPixelFree(stone.x + motions[stone.shape].motion[direction][stone.orientation].set[1].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].set[1].y) &&
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canvasIsPixelFree(stone.x + motions[stone.shape].motion[direction][stone.orientation].set[2].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].set[2].y) &&
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canvasIsPixelFree(stone.x + motions[stone.shape].motion[direction][stone.orientation].set[3].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].set[3].y)) {
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canvasSetPixel(stone.x + motions[stone.shape].motion[direction][stone.orientation].reset[0].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].reset[0].y, _off);
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canvasSetPixel(stone.x + motions[stone.shape].motion[direction][stone.orientation].reset[1].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].reset[1].y, _off);
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canvasSetPixel(stone.x + motions[stone.shape].motion[direction][stone.orientation].reset[2].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].reset[2].y, _off);
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canvasSetPixel(stone.x + motions[stone.shape].motion[direction][stone.orientation].reset[3].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].reset[3].y, _off);
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canvasSetPixel(stone.x + motions[stone.shape].motion[direction][stone.orientation].set[0].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].set[0].y, motions[stone.shape].color);
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canvasSetPixel(stone.x + motions[stone.shape].motion[direction][stone.orientation].set[1].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].set[1].y, motions[stone.shape].color);
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canvasSetPixel(stone.x + motions[stone.shape].motion[direction][stone.orientation].set[2].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].set[2].y, motions[stone.shape].color);
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canvasSetPixel(stone.x + motions[stone.shape].motion[direction][stone.orientation].set[3].x, stone.y + motions[stone.shape].motion[direction][stone.orientation].set[3].y, motions[stone.shape].color);
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stone.x += motions[stone.shape].motion[direction][stone.orientation].offset.x;
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stone.y += motions[stone.shape].motion[direction][stone.orientation].offset.y;
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stone.orientation = (nextOrientation[direction][stone.orientation] == e_Keep) ? stone.orientation : nextOrientation[direction][stone.orientation];
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return 1;
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}
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return 0;
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}
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uint8_t stoneDraw() {
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uint8_t res = 0;
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if (canvasIsPixelFree(stone.x + motions[stone.shape].draw[0].x, stone.y + motions[stone.shape].draw[0].y) &&
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canvasIsPixelFree(stone.x + motions[stone.shape].draw[1].x, stone.y + motions[stone.shape].draw[1].y) &&
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canvasIsPixelFree(stone.x + motions[stone.shape].draw[2].x, stone.y + motions[stone.shape].draw[2].y) &&
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canvasIsPixelFree(stone.x + motions[stone.shape].draw[3].x, stone.y + motions[stone.shape].draw[3].y)) {
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canvasSetPixel(stone.x + motions[stone.shape].draw[0].x, stone.y + motions[stone.shape].draw[0].y, motions[stone.shape].color);
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canvasSetPixel(stone.x + motions[stone.shape].draw[1].x, stone.y + motions[stone.shape].draw[1].y, motions[stone.shape].color);
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canvasSetPixel(stone.x + motions[stone.shape].draw[2].x, stone.y + motions[stone.shape].draw[2].y, motions[stone.shape].color);
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canvasSetPixel(stone.x + motions[stone.shape].draw[3].x, stone.y + motions[stone.shape].draw[3].y, motions[stone.shape].color);
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res = 1;
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}
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return res;
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}
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uint8_t stoneMoveDown() {
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return move(e_MoveDown);
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}
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uint8_t stoneMoveLeft() {
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return move(e_MoveLeft);
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}
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uint8_t stoneMoveRight() {
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return move(e_MoveRight);
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}
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uint8_t stoneRotateLeft() {
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return move(e_RotateLeft);
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}
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uint8_t stoneRotateRight() {
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return move(e_RotateRight);
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}
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