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#include <renderer/RenderGroup.hpp>
#include <games/tetris/Tetromino.hpp>
#include <games/tetris/Board.hpp>
Board::Board() {
for (int y = 0; y < 2; y++) {
m_Bitmap[y] = 0xffff; // 1111111111111111
}
for (int y = 2; y < 24; y++) {
m_Bitmap[y] = 0xe007; // 1110000000000111
}
for (int y = 0; y < 22; y++) {
for (int x = 0; x < 10; x++) {
m_Idmap[y][x] = (uint8_t)TetrominoId::TETROMINO_ID_NONE;
}
}
}
int32_t Board::PlaceTetromino(Tetromino &tetromino) {
BoardPos pos = tetromino.GetPos();
TetrominoId id = tetromino.GetId();
uint16_t tetromino_bitmap[4];
tetromino.GetBitmap(tetromino_bitmap);
// check if Tetromino cannot be placed (Game Over)
if (tetromino.IsCollisionWithBoard()) {
return -1;
}
// place in Board's Bitmap
m_Bitmap[pos.y+0] |= tetromino_bitmap[0];
m_Bitmap[pos.y+1] |= tetromino_bitmap[1];
m_Bitmap[pos.y+2] |= tetromino_bitmap[2];
m_Bitmap[pos.y+3] |= tetromino_bitmap[3];
// place in Board's Idmap
for (int32_t y = 0; y < 4; y++) {
for (int32_t x = 0; x < 4; x++) {
int32_t bitmap_x = 0x8000 >> (pos.x + x);
if (tetromino_bitmap[y] & bitmap_x) {
int32_t idmap_x = pos.x + x - 3;
int32_t idmap_y = pos.y + y - 2;
m_Idmap[idmap_y][idmap_x] = static_cast<uint8_t>(id);
}
}
}
int32_t rows_cleared = ClearRows(pos.y);
return rows_cleared;
}
int32_t Board::ClearRows(int32_t y0) {
int32_t rows_cleared = 0;
int32_t y1 = y0 + 3;
// ignore for y = {0,1}. Those bitmap rows are all 1's for collision testing
if (y0 < 2) {
y0 += 2 - y0;
}
for (int32_t y = y0; y <= y1; y++) {
if (m_Bitmap[y] == 0xffff) {
rows_cleared++;
}
else {
m_Bitmap[y-rows_cleared] = m_Bitmap[y];
std::copy(m_Idmap[y-2], m_Idmap[y-2] + 10, m_Idmap[y-2-rows_cleared]);
}
}
for (int32_t y = y1+1; y < 24; y++) {
m_Bitmap[y-rows_cleared] = m_Bitmap[y];
std::copy(m_Idmap[y-2], m_Idmap[y-2] + 10, m_Idmap[y-2-rows_cleared]);
}
for (int32_t y = 24-rows_cleared; y < 24; y++) {
m_Bitmap[y] = 0xe007;
std::fill(m_Idmap[y-2], m_Idmap[y-2] + 10, (uint8_t)TetrominoId::TETROMINO_ID_NONE);
}
return rows_cleared;
}
void Board::Draw(int32_t level, RenderGroup& render_group) {
float world_width = 4.0f;
float world_height = 3.0f;
float tetromino_size_with_border = world_height / 20.0f;
float tetromino_size = 0.8f * tetromino_size_with_border;
float tetromino_offset = 0.1f * tetromino_size_with_border;
V2F32 board_world_pos = {
(world_width - tetromino_size_with_border*10) / 2.0f,
0.0f
};
// background
V3F32 bg_world_pos = {
board_world_pos.x,
board_world_pos.y,
0.0f
};
V2F32 bg_world_dim = {
tetromino_size_with_border * 10,
tetromino_size_with_border * 20
};
V3F32 bg_color = {0.0f, 0.0f, 0.0f};
render_group.PushRectangle(bg_world_pos, bg_world_dim, bg_color);
// tetromino parts
for (size_t y = 0; y < 20; y++) {
for (size_t x = 0; x < 10; x++) {
uint8_t tetromino_id = m_Idmap[y][x];
if (tetromino_id < (uint8_t)TetrominoId::TETROMINO_ID_COUNT) {
V2F32 local_pos = {
(float)x * tetromino_size_with_border + tetromino_offset,
(float)y * tetromino_size_with_border + tetromino_offset
};
V2F32 local_dim = {tetromino_size, tetromino_size};
V3F32 world_pos = {
board_world_pos.x + local_pos.x,
board_world_pos.y + local_pos.y,
1.0f
};
V2F32 world_dim = local_dim;
V3F32 color = Tetromino::GetColor(static_cast<TetrominoId>(tetromino_id));
render_group.PushRectangle(world_pos, world_dim, color);
}
}
}
}
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