tetris example

This commit is contained in:
Vadim Lopatin 2014-12-23 13:41:03 +03:00
parent 58d0d0c3fa
commit 8a448ef8fc
1 changed files with 93 additions and 22 deletions

View File

@ -137,11 +137,17 @@ struct FigureCell {
struct FigureShape {
// by cell index 0..3
FigureCell[4] cells;
// number of cells lowest item is below 0,0 cell
int extent;
this(int[2] c1, int[2] c2, int[2] c3, int[2] c4) {
cells[0] = FigureCell(c1);
cells[1] = FigureCell(c2);
cells[2] = FigureCell(c3);
cells[3] = FigureCell(c4);
extent = 0;
for (int i = 0; i < 4; i++)
if (extent > cells[i].dy)
extent = cells[i].dy;
}
}
@ -152,15 +158,50 @@ struct Figure {
}
}
const Figure[1] FIGURES = [
// FIGURE1
// ##
// ####
// ##
const Figure[6] FIGURES = [
// ## ####
// 00## 00##
// ##
Figure([FigureShape([0, 0], [1, 0], [1, 1], [0, -1]),
FigureShape([0, 0], [0, 1], [-1, -1],[1, 0]),
FigureShape([0, 0], [0, 1], [-1, 1], [1, 0]),
FigureShape([0, 0], [1, 0], [1, 1], [0, -1]),
FigureShape([0, 0], [0, 1], [-1, -1],[1, 0])])
FigureShape([0, 0], [0, 1], [-1, 1], [1, 0])]),
// ## ####
// 00## ##00
// ##
Figure([FigureShape([0, 0], [1, 0], [0, 1], [1, 1]),
FigureShape([0, 0], [0, 1], [1, 1], [-1, 0]),
FigureShape([0, 0], [1, 0], [0, 1], [1, 1]),
FigureShape([0, 0], [0, 1], [1, 1], [-1, 0])]),
// ## ## ####
// ##00## 00 ##00## 00
// ## #### ##
Figure([FigureShape([0, 0], [1, 0], [-1,0], [-1,-1]),
FigureShape([0, 0], [0, 1], [0,-1], [ 1,-1]),
FigureShape([0, 0], [1, 0], [-1,0], [1, 1]),
FigureShape([0, 0], [0, 1], [-1,1], [0,-1])]),
// #### ## ##
// ##00## 00 ##00## 00
// ## ## ####
Figure([FigureShape([0, 0], [1, 0], [-1,0], [ 1, 1]),
FigureShape([0, 0], [0, 1], [0,-1], [ 1, 1]),
FigureShape([0, 0], [1, 0], [-1,0], [-1, 1]),
FigureShape([0, 0], [0, 1], [-1,-1], [0, -1])]),
// ####
// 00##
//
Figure([FigureShape([0, 0], [1, 0], [0, 1], [ 1, 1]),
FigureShape([0, 0], [1, 0], [0, 1], [ 1, 1]),
FigureShape([0, 0], [1, 0], [0, 1], [ 1, 1]),
FigureShape([0, 0], [1, 0], [0, 1], [ 1, 1])]),
// ##
// ##
// 00 ##00####
// ##
Figure([FigureShape([0, 0], [0, 1], [0, 2], [ 0,-1]),
FigureShape([0, 0], [1, 0], [2, 0], [-1, 0]),
FigureShape([0, 0], [0, 1], [0, 2], [ 0,-1]),
FigureShape([0, 0], [1, 0], [2, 0], [-1, 0])]),
];
class CupWidget : Widget {
@ -182,6 +223,13 @@ class CupWidget : Widget {
FIGURE7,
}
enum : int {
ORIENTATION0,
ORIENTATION90,
ORIENTATION180,
ORIENTATION270
}
static const uint[] _figureColors = [0xFF0000, 0xFFFF00, 0xFF00FF, 0x0000FF, 0x800000, 0x408000, 0x000080];
this() {
@ -208,18 +256,18 @@ class CupWidget : Widget {
_cup[i] = EMPTY;
}
int cell(int col, int row) {
protected int cell(int col, int row) {
if (col < 0 || row < 0 || col >= _cols || row >= _rows)
return WALL;
return _cup[row * _cols + col];
}
void setCell(int col, int row, int value) {
protected void setCell(int col, int row, int value) {
_cup[row * _cols + col] = value;
invalidate();
}
Rect cellRect(Rect rc, int col, int row) {
protected Rect cellRect(Rect rc, int col, int row) {
int dx = rc.width / _cols;
int dy = rc.height / (_rows + RESERVED_ROWS);
int dd = dx;
@ -230,6 +278,27 @@ class CupWidget : Widget {
return Rect(x0, y0, x0 + dd, y0 + dd);
}
protected void drawCell(DrawBuf buf, Rect cellRc, uint color) {
cellRc.right--;
cellRc.bottom--;
int w = cellRc.width / 6;
buf.drawFrame(cellRc, color, Rect(w,w,w,w));
cellRc.shrink(w, w);
color = (color & 0xFFFFFF) | 0xC0000000;
buf.fillRect(cellRc, color);
}
protected void drawFigure(DrawBuf buf, Rect rc, int figureIndex, int orientation, int x, int y, int dy) {
uint color = _figureColors[figureIndex];
FigureShape shape = FIGURES[figureIndex].shapes[orientation];
for (int i = 0; i < 4; i++) {
Rect cellRc = cellRect(rc, x + shape.cells[i].dx, y + shape.cells[i].dy);
cellRc.top += dy;
cellRc.bottom += dy;
drawCell(buf, cellRc, color);
}
}
/// Draw widget at its position to buffer
override void onDraw(DrawBuf buf) {
super.onDraw(buf);
@ -240,30 +309,32 @@ class CupWidget : Widget {
Rect topLeft = cellRect(rc, 0, _rows - 1);
Rect bottomRight = cellRect(rc, _cols - 1, 0);
Rect cupRc = Rect(topLeft.left, topLeft.top, bottomRight.right, bottomRight.bottom);
uint fcl = 0x80404080;
int fw = 2;
buf.fillRect(Rect(topLeft.left - 1 - fw, topLeft.top, topLeft.left - 1, bottomRight.bottom + 1 + fw), 0x000000);
buf.fillRect(Rect(bottomRight.right + 2, topLeft.top, bottomRight.right + 2 + fw, bottomRight.bottom + 2 + fw), 0x000000);
buf.fillRect(Rect(topLeft.left - 1 - fw, bottomRight.bottom + 2, bottomRight.right + 2 + fw, bottomRight.bottom + 2 + fw), 0x000000);
int fw = 3;
uint fcl = 0x80000060;
buf.fillRect(cupRc, 0x80A0C0B0);
buf.fillRect(Rect(cupRc.left - 1 - fw, cupRc.top, cupRc.left - 1, cupRc.bottom + 2), fcl);
buf.fillRect(Rect(cupRc.right + 2, cupRc.top, cupRc.right + 2 + fw, cupRc.bottom + 2), fcl);
buf.fillRect(Rect(cupRc.left - 1 - fw, cupRc.bottom + 2, cupRc.right + 2 + fw, cupRc.bottom + 2 + fw), fcl);
for (int row = 0; row < _rows; row++) {
for (int col = 0; col < _cols; col++) {
int value = cell(col, row);
Rect cellRc = cellRect(rc, col, row);
if (value == EMPTY) {
Point middle = cellRc.middle;
buf.fillRect(Rect(middle.x - 1, middle.y - 1, middle.x + 1, middle.y + 1), 0x404040);
} else {
Point middle = cellRc.middle;
buf.fillRect(Rect(middle.x - 1, middle.y - 1, middle.x + 1, middle.y + 1), 0x404040);
if (value != EMPTY) {
uint cl = _figureColors[value - 1];
cellRc.shrink(1, 1);
int w = cellRc.width / 5;
buf.drawFrame(cellRc, cl, Rect(w,w,w,w));
drawCell(buf, cellRc, cl);
}
}
}
drawFigure(buf, rc, 0, 0, 2, 9, 0);
drawFigure(buf, rc, 2, 1, 6, 8, 0);
}
/// Measure widget according to desired width and height constraints. (Step 1 of two phase layout).
override void measure(int parentWidth, int parentHeight) {