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Added drawMovementRange function

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zhenyan121
2025-12-13 19:53:02 +08:00
parent 98a7b34bfa
commit 27ff62df14
3 changed files with 111 additions and 16 deletions
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117
src/graphics/game/BoardRenderer.cpp
View File

@@ -30,7 +30,7 @@ void BoardRenderer::drawBoard() {
auto area = getBoardArea();
// 绘制棋盘格子（交替颜色）
// 绘制棋盘格子
for (int row = 0; row < area.rows; ++row) {
for (int col = 0; col < area.cols; ++col) {
// 使用 SDL_FRect（浮点数）
@@ -68,8 +68,8 @@ void BoardRenderer::drawPiece(std::optional<std::pair<int, int>> selectedPiece)
if (!piece) continue; // 没有棋子则跳过
// 计算棋子中心位置
float centerX = area.x + col * area.cellSize + area.cellSize / 2.0f;
float centerY = area.y + row * area.cellSize + area.cellSize / 2.0f;
float x = area.x + col * area.cellSize;
float y = area.y + row * area.cellSize;
// 确定棋子颜色
SDL_Color color;
@@ -82,23 +82,112 @@ void BoardRenderer::drawPiece(std::optional<std::pair<int, int>> selectedPiece)
m_colors.P1 : m_colors.P2;
}
// 绘制棋子（圆形）
SDL_SetRenderDrawColor(m_renderer, color.r, color.g, color.b, color.a);
// 绘制实心圆（使用多个同心圆来近似）
for (float r = pieceRadius; r > 0; r -= 1.0f) {
SDL_FRect rect = {
centerX - r,
centerY - r,
r * 2.0f,
r * 2.0f
};
SDL_RenderFillRect(m_renderer, &rect);
}
SDL_FRect rect{
x + (area.cellSize - pieceRadius * 2) / 2.0f,
y + (area.cellSize - pieceRadius * 2) / 2.0f,
pieceRadius * 2,
pieceRadius * 2
};
SDL_RenderFillRect(m_renderer, &rect);
}
}
}
void BoardRenderer::updateMovementRange(std::optional<std::pair<int, int>> selectedPiece, ActionType tpye) {
// 清空当前范围以便下次更新
m_currentDrawRange.clear();
if (!m_board || !m_renderer || !selectedPiece) return;
if (selectedPiece == std::nullopt) return;
auto selectedComponent = m_board->getComponentByPieceID(m_board->getPieceID(selectedPiece->first, selectedPiece->second));
auto currentPlayer = m_board->getPieceAt(selectedPiece->first, selectedPiece->second)->getPieceOwner();
switch (tpye) {
case ActionType::GROW:
// 绘制生长范围的逻辑
for (auto PieceID : selectedComponent) {
auto Neighbors = m_board->getOrthogonalNeighbors(PieceID);
for (auto neighborID : Neighbors) {
auto pieceCoord = m_board->getCoordFromID(neighborID);
const Piece* piece = m_board->getPieceAt(pieceCoord.first, pieceCoord.second);
if (piece == nullptr) {
m_currentDrawRange.insert(neighborID);
}
}
}
break;
case ActionType::MOVE:
// 绘制移动范围的逻辑
for (auto PieceID : selectedComponent) {
auto Neighbors = m_board->getOrthogonalNeighbors(PieceID);
for (auto neighborID : Neighbors) {
auto pieceCoord = m_board->getCoordFromID(neighborID);
const Piece* piece = m_board->getPieceAt(pieceCoord.first, pieceCoord.second);
if (piece == nullptr) {
m_currentDrawRange.insert(neighborID);
} else if (piece->getPieceOwner() != currentPlayer) {
m_currentDrawRange.insert(neighborID);
}
}
}
break;
case ActionType::SPORE: {
// 绘制孢子范围的逻辑
auto SporeRange = m_board->getSporeRange(m_board->getPieceID(selectedPiece->first, selectedPiece->second));
for (auto neighborID : SporeRange) {
auto pieceCoord = m_board->getCoordFromID(neighborID);
const Piece* piece = m_board->getPieceAt(pieceCoord.first, pieceCoord.second);
if (piece == nullptr) {
m_currentDrawRange.insert(neighborID);
}
}
}
break;
default:
break;
}
}
void BoardRenderer::drawMovementRange() {
if (!m_board || !m_renderer) return;
// 开启混合模式（重要！）
SDL_SetRenderDrawBlendMode(m_renderer, SDL_BLENDMODE_BLEND);
auto area = getBoardArea();
float pieceRadius = m_cellSize * m_pieceRadiusRatio / 4.0f;
for (auto PieceID : m_currentDrawRange) {
auto [row, col] = m_board->getCoordFromID(PieceID);
// 计算棋子中心位置
float x = area.x + col * area.cellSize;
float y = area.y + row * area.cellSize;
SDL_FRect rect{
x + (area.cellSize - pieceRadius * 2) / 2.0f,
y + (area.cellSize - pieceRadius * 2) / 2.0f,
pieceRadius * 2,
pieceRadius * 2
};
SDL_SetRenderDrawColor(m_renderer,
0,
255,
0,
100); // 半透明绿色
SDL_RenderFillRect(m_renderer, &rect);
}
// 如果需要，绘制完可以恢复原来的混合模式
SDL_SetRenderDrawBlendMode(m_renderer, SDL_BLENDMODE_NONE);
}
BoardArea BoardRenderer::getBoardArea() const {
return {
(m_Width - m_cellSize * m_boardCOL) / 2,

8
src/graphics/game/BoardRenderer.h
View File

@@ -1,9 +1,10 @@
#pragma once
#include "utils/Config.h"
#include "game/GameTypes.h"
#include <SDL3/SDL.h>
#include <optional>
#include <utility>
#include <unordered_set>
struct PlayerColors {
SDL_Color P1 = {255, 0, 0, 255}; // 红色
@@ -29,6 +30,7 @@ private:
// 棋子绘制相关
float m_pieceRadiusRatio = 0.8f; // 棋子半径相对于格子大小的比例
PlayerColors m_colors;
std::unordered_set<int> m_currentDrawRange;
public:
BoardRenderer(int WIDTH, int HEIGHT, SDL_Renderer* renderer);
@@ -48,7 +50,9 @@ public:
// 绘制棋子
void drawPiece(std::optional<std::pair<int, int>> selectedPiece = std::nullopt);
void updateMovementRange(std::optional<std::pair<int, int>> selectedPiece = std::nullopt, ActionType type = ActionType::GROW);
void drawMovementRange();
BoardArea getBoardArea() const;

2
src/scenes/gameplay/GameScene.cpp
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@@ -35,6 +35,7 @@ void GameScene::render() {
m_boardRenderer->drawBoard();
m_boardRenderer->drawPiece(m_gameSession->getSelectedPiece());
m_boardRenderer->drawMovementRange();
m_uiRenderer->renderUI(m_gameUIManager->getUIRenderData());
endFrame();
}
@@ -46,6 +47,7 @@ void GameScene::handleClick(float screenX, float screenY) {
m_gameSession->handleCoordinateInput(row, col);
m_gameSession->printBoard();
m_gameUIManager->updateActionType( m_gameSession->getCurrentActionType());
m_boardRenderer->updateMovementRange(m_gameSession->getSelectedPiece(), m_gameSession->getCurrentActionType());
} else {
SDL_Log("invail cilck aera!");
}