127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
/*
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* This file is part of Luma3DS
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* Copyright (C) 2016-2017 Aurora Wright, TuxSH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
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* * Requiring preservation of specified reasonable legal notices or
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* author attributions in that material or in the Appropriate Legal
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* Notices displayed by works containing it.
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* * Prohibiting misrepresentation of the origin of that material,
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* or requiring that modified versions of such material be marked in
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* reasonable ways as different from the original version.
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*/
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/*
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* Code to print to the screen by mid-kid @CakesFW
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* https://github.com/mid-kid/CakesForeveryWan
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*/
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#include "draw.h"
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#include "strings.h"
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#include "screen.h"
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#include "utils.h"
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#include "fs.h"
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#include "fmt.h"
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#include "font.h"
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bool loadSplash(void)
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{
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static const char *topSplashFile = "splash.bin",
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*bottomSplashFile = "splashbottom.bin";
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bool isTopSplashValid = getFileSize(topSplashFile) == SCREEN_TOP_FBSIZE,
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isBottomSplashValid = getFileSize(bottomSplashFile) == SCREEN_BOTTOM_FBSIZE;
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//Don't delay boot nor init the screens if no splash images or invalid splash images are on the SD
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if(!isTopSplashValid && !isBottomSplashValid) return false;
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initScreens();
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clearScreens(true);
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if(isTopSplashValid) isTopSplashValid = fileRead(fbs[1].top_left, topSplashFile, SCREEN_TOP_FBSIZE) == SCREEN_TOP_FBSIZE;
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if(isBottomSplashValid) isBottomSplashValid = fileRead(fbs[1].bottom, bottomSplashFile, SCREEN_BOTTOM_FBSIZE) == SCREEN_BOTTOM_FBSIZE;
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if(!isTopSplashValid && !isBottomSplashValid) return false;
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swapFramebuffers(true);
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wait(3000ULL);
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return true;
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}
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void drawCharacter(bool isTopScreen, u32 posX, u32 posY, u32 color, char character)
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{
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u8 *select = isTopScreen ? fbs[0].top_left : fbs[0].bottom;
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for(u32 y = 0; y < 8; y++)
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{
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char charPos = font[character * 8 + y];
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for(u32 x = 0; x < 8; x++)
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if(((charPos >> (7 - x)) & 1) == 1)
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{
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u32 screenPos = (posX * SCREEN_HEIGHT * 3 + (SCREEN_HEIGHT - y - posY - 1) * 3) + x * 3 * SCREEN_HEIGHT;
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select[screenPos] = color >> 16;
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select[screenPos + 1] = color >> 8;
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select[screenPos + 2] = color;
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}
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}
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}
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u32 drawString(bool isTopScreen, u32 posX, u32 posY, u32 color, const char *string)
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{
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for(u32 i = 0, line_i = 0; i < strlen(string); i++)
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switch(string[i])
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{
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case '\n':
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posY += SPACING_Y;
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line_i = 0;
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break;
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case '\t':
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line_i += 2;
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break;
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default:
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//Make sure we never get out of the screen
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if(line_i >= ((isTopScreen ? SCREEN_TOP_WIDTH : SCREEN_BOTTOM_WIDTH) - posX) / SPACING_X)
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{
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posY += SPACING_Y;
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line_i = 1; //Little offset so we know the same string continues
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if(string[i] == ' ') break; //Spaces at the start look weird
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}
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drawCharacter(isTopScreen, posX + line_i * SPACING_X, posY, color, string[i]);
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line_i++;
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break;
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}
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return posY;
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}
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u32 drawFormattedString(bool isTopScreen, u32 posX, u32 posY, u32 color, const char *fmt, ...)
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{
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char buf[DRAW_MAX_FORMATTED_STRING_SIZE + 1];
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va_list args;
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va_start(args, fmt);
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vsprintf(buf, fmt, args);
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va_end(args);
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return drawString(isTopScreen, posX, posY, color, buf);
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}
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