mirror of
https://github.com/zhenyan121/SporeBG-Conid.git
synced 2026-04-10 14:24:10 +08:00
129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
#include "GameRenderer.h"
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#include "game/Board.h"
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#include <iostream>
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GameRenderer::GameRenderer(int WIDTH, int HEIGHT, SDL_Renderer* renderer) : m_Width(WIDTH), m_Height(HEIGHT), m_renderer(renderer) {
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m_cellSize = HEIGHT / m_boardRow;
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}
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GameRenderer::~GameRenderer() {
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}
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bool GameRenderer::initialize() {
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return true;
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}
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void GameRenderer::beginFrame() {
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if (!m_renderer) {
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std::cout << "ERROR: Renderer is NULL!\n";
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return;
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}
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// 清屏为白色色背景
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SDL_SetRenderDrawColor(m_renderer, 255, 255, 255, 255);
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SDL_RenderClear(m_renderer);
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//std::cout << "begin frame\n";
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}
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void GameRenderer::endFrame() {
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// 提交到屏幕
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//std::cout << "end frame\n";
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SDL_RenderPresent(m_renderer);
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}
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void GameRenderer::setBoard(const Board* board) {
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m_board = board;
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}
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void GameRenderer::drawBackground() {
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}
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void GameRenderer::drawBoard() {
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auto area = getBoardArea();
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// 绘制棋盘格子（交替颜色）
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for (int row = 0; row < area.rows; ++row) {
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for (int col = 0; col < area.cols; ++col) {
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// 使用 SDL_FRect（浮点数）
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SDL_FRect rect{
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static_cast<float>(area.x + col * area.cellSize),
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static_cast<float>(area.y + row * area.cellSize),
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static_cast<float>(area.cellSize),
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static_cast<float>(area.cellSize)
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};
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//bool isLight = (row + col) % 2 == 0;
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SDL_SetRenderDrawColor(m_renderer,
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0,
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0,
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0,
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255);
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// SDL3: RenderFillRect 接受 const SDL_FRect*
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SDL_RenderRect(m_renderer, &rect);
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}
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}
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}
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void GameRenderer::drawPiece(std::optional<std::pair<int, int>> selectedPiece) {
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if (!m_board || !m_renderer) return;
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auto area = getBoardArea();
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float pieceRadius = m_cellSize * m_pieceRadiusRatio / 2.0f;
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// 遍历所有格子
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for (int row = 0; row < m_boardRow; ++row) {
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for (int col = 0; col < m_boardCOL; ++col) {
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const Piece* piece = m_board->getPieceAt(row, col);
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if (!piece) continue; // 没有棋子则跳过
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// 计算棋子中心位置
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float centerX = area.x + col * area.cellSize + area.cellSize / 2.0f;
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float centerY = area.y + row * area.cellSize + area.cellSize / 2.0f;
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// 确定棋子颜色
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SDL_Color color;
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if (selectedPiece && selectedPiece->first == row && selectedPiece->second == col) {
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// 选中状态的棋子
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color = m_colors.selected;
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} else {
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// 根据玩家设置颜色
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color = (piece->getPieceOwner() == PlayerID::P1) ?
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m_colors.P1 : m_colors.P2;
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}
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// 绘制棋子（圆形）
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SDL_SetRenderDrawColor(m_renderer, color.r, color.g, color.b, color.a);
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// 绘制实心圆（使用多个同心圆来近似）
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for (float r = pieceRadius; r > 0; r -= 1.0f) {
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SDL_FRect rect = {
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centerX - r,
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centerY - r,
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r * 2.0f,
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r * 2.0f
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};
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SDL_RenderFillRect(m_renderer, &rect);
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}
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}
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}
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}
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BoardArea GameRenderer::getBoardArea() const {
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return {
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(m_Width - m_cellSize * m_boardCOL) / 2,
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(m_Height - m_cellSize * m_boardRow) / 2,
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m_cellSize,
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m_boardRow,
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m_boardCOL
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};
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}
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