SysCheck-ModMii-Edition/source/video.c

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2013-10-12 20:38:34 +02:00
#include <stdio.h>
#include <ogcsys.h>
#include <string.h>
#include <gccore.h>
#include <malloc.h>
#include <wiilight.h>
#include "video.h"
static GXRModeObj *rmode = NULL;
static void *frontBuffer = NULL;
// Initialise video
void InitialiseVideo(void)
{
// Initialise the video system
VIDEO_Init();
// Get the preferred video mode from the system (corresponding to the settings in the Wii menu)
rmode = VIDEO_GetPreferredMode(NULL);
GX_AdjustForOverscan(rmode, rmode, 32, 24);
// Allocate memory for the display in the uncached region
frontBuffer = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
// Initialise the console (required for printf)
console_init(frontBuffer, 20, 20, rmode->fbWidth, rmode->xfbHeight, rmode->fbWidth*VI_DISPLAY_PIX_SZ);
// Set up the video registers with the chosen mode
VIDEO_Configure(rmode);
// Now configure the FrameBuffer (display memory)
VIDEO_SetNextFramebuffer(frontBuffer);
// Make the display visible
VIDEO_SetBlack(FALSE);
// Flush the video register changes to the hardware
VIDEO_Flush();
// Wait for Video setup to complete
VIDEO_WaitVSync();
if(rmode->viTVMode&VI_NON_INTERLACE) VIDEO_WaitVSync();
}
// Set the console foreground color
void SetConsoleForegroundColor(u8 color, u8 bold)
{
printf("\x1b[%u;%um", color+30, bold);
fflush(stdout);
}
// Set the console background color
void SetConsoleBackgroundColor(u8 color, u8 bold)
{
printf("\x1b[%u;%um", color+40, bold);
fflush(stdout);
}
// Clears the console setting the background with the specified colour
// The console supports VT terminal escape codes
void ClearConsole(int backgroundCol)
{
printf("\x1b[4%im", backgroundCol);
printf("\x1b[2J");
fflush(stdout);
}
// Print text to the center of the screen
void PrintCenter(char *text, int width)
{
int textLen = strlen(text);
int leftPad = (width - textLen) / 2;
int rightPad = (width - textLen) - leftPad;
printf("%*s%s%*s", leftPad, " ", text, rightPad, " ");
}
// Print text
void PrintText(char *text, bool clear, bool border, bool center, int backgroundCol, int foregroundCol)
{
const int consoleLineLength = 72;
const int defaultBGColor = 0; // Black is the default background color
const int defaultFGColor = 7; // White is the default background color
// Clear the screen
if (clear) ClearConsole(backgroundCol);
// Set the console background and foreground color
SetConsoleBackgroundColor(backgroundCol, 0);
SetConsoleForegroundColor(foregroundCol, 0);
// Draw the upper border
if (border) printf("%*s", consoleLineLength, " ");
// Display the text
if (center)
PrintCenter(text, consoleLineLength);
else
printf(text);
// Draw the lower border
if (border) printf("%*s", consoleLineLength, " ");
// Set the console background and foreground default color
SetConsoleBackgroundColor(defaultBGColor, 0);
SetConsoleForegroundColor(defaultFGColor, 0);
fflush(stdout);
}
// Turn on/off the Wii Light
void WiiLightControl(int state)
{
switch (state)
{
case WIILIGHT_ON:
WIILIGHT_SetLevel(255);
WIILIGHT_TurnOn();
break;
case WIILIGHT_OFF:
default:
WIILIGHT_SetLevel(0);
WIILIGHT_TurnOn();
WIILIGHT_Toggle();
break;
}
}