103 lines
2.2 KiB
C++
103 lines
2.2 KiB
C++
#include "output.h"
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#include <string>
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#include <cstring>
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#include <cmath>
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#include <cstdarg>
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#include <cstdio>
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#include <3ds.h>
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#include "text.h"
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static std::string bufferTop;
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static std::string bufferBottom;
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static int countLines(const std::string& str)
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{
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if (str.empty())
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return 0;
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int cnt = 1;
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for (const char& c : str) {
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if (c == '\n') cnt++;
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}
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return cnt;
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}
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static void deleteFirstLine(std::string* str)
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{
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if (str->empty())
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return;
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size_t linebreak = str->find_first_of('\n');
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if (linebreak == std::string::npos || linebreak + 1 > str->length()) {
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*str = {};
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return;
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}
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*str = str->substr(linebreak + 1);
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}
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static void drawFrame(gfxScreen_t screen, char b, char g, char r)
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{
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int screenHeight = 240;
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int screenWidth = (screen == GFX_TOP) ? 400 : 320;
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std::string& textBuffer = (screen == GFX_TOP) ? bufferTop : bufferBottom;
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u8* bufAdr = gfxGetFramebuffer(screen, GFX_LEFT, nullptr, nullptr);
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for (int i = 0; i < screenWidth * screenHeight * 3; i += 3) {
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bufAdr[i] = b;
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bufAdr[i+1] = g;
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bufAdr[i+2] = r;
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}
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int lines = countLines(textBuffer);
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while (lines > (screenHeight / fontDefault.height - 3)) {
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deleteFirstLine(&textBuffer);
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lines--;
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}
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gfxDrawText(screen, GFX_LEFT, nullptr, textBuffer, screenHeight - fontDefault.height * 3, 10);
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}
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void drawFrames()
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{
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drawFrame(GFX_TOP, 0x88, 0x66, 0x00);
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drawFrame(GFX_BOTTOM, 0x00, 0x00, 0x00);
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gfxFlushBuffers();
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gfxSwapBuffers();
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}
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void print(gfxScreen_t screen, const char* format, ...)
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{
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std::string& textBuffer = (screen == GFX_TOP) ? bufferTop : bufferBottom;
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va_list arguments;
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char *vaStr;
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va_start(arguments, format);
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vasprintf(&vaStr, format, arguments);
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va_end(arguments);
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textBuffer += std::string(vaStr);
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svcOutputDebugString(vaStr, strlen(vaStr));
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free(vaStr);
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drawFrames();
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}
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void clearScreen(gfxScreen_t screen)
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{
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std::string& textBuffer = (screen == GFX_TOP) ? bufferTop : bufferBottom;
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textBuffer.clear();
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drawFrames();
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}
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void clearScreens()
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{
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clearScreen(GFX_TOP);
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clearScreen(GFX_BOTTOM);
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}
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