ref: 6308aa758da78f9eab3323c85966b2d03dcb4003
dir: /src/pt2_patternviewer.c/
// for finding memory leaks in debug mode with Visual Studio
#if defined _DEBUG && defined _MSC_VER
#include <crtdbg.h>
#endif
#include <stdint.h>
#include "pt2_header.h"
#include "pt2_palette.h"
#include "pt2_tables.h"
#include "pt2_textout.h"
#include "pt2_helpers.h"
#define VISIBLE_ROWS 15
static uint8_t periodToNote(int16_t period)
{
uint8_t l, m, h;
l = 0;
h = 35;
while (h >= l)
{
m = (h + l) / 2;
if (m >= 36)
break; // should never happen, but let's stay on the safe side
if (periodTable[m] == period) return m;
else if (periodTable[m] > period) l = m + 1;
else h = m - 1;
}
return 255; // illegal period
}
void drawPatternNormal(uint32_t *frameBuffer)
{
int8_t rowMiddlePos;
uint8_t j, h, tempNote, rowDispCheck;
uint16_t putXOffset, putYOffset, rowData;
const uint32_t *srcPtr;
uint32_t bufferOffset, *dstPtr;
note_t note;
for (uint8_t i = 0; i < VISIBLE_ROWS; i++)
{
rowMiddlePos = i - 7;
rowDispCheck = modEntry->currRow + rowMiddlePos;
if (rowDispCheck < MOD_ROWS)
{
rowData = rowDispCheck * 4;
putYOffset = 140 + (i * 7);
if (i == 7) // are we on the play row (middle)?
{
putYOffset++; // align font to play row (middle)
// put current row number
printTwoDecimalsBigBg(frameBuffer, 8, putYOffset, rowMiddlePos + modEntry->currRow, palette[PAL_GENTXT], palette[PAL_GENBKG]);
// pattern data
for (j = 0; j < AMIGA_VOICES; j++)
{
note = modEntry->patterns[modEntry->currPattern][rowData + j];
putXOffset = 26 + (j * 72);
if (note.period == 0)
{
textOutBigBg(frameBuffer, putXOffset + 6, putYOffset, "---", palette[PAL_GENTXT], palette[PAL_GENBKG]);
}
else
{
tempNote = periodToNote(note.period);
if (tempNote == 255)
textOutBigBg(frameBuffer, putXOffset + 6, putYOffset, "???", palette[PAL_GENTXT], palette[PAL_GENBKG]);
else
textOutBigBg(frameBuffer, putXOffset + 6, putYOffset, ptConfig.accidental ? noteNames2[tempNote] : noteNames1[tempNote], palette[PAL_GENTXT], palette[PAL_GENBKG]);
}
if (ptConfig.blankZeroFlag)
{
if (note.sample & 0xF0)
printOneHexBigBg(frameBuffer, putXOffset + 30, putYOffset, note.sample >> 4, palette[PAL_GENTXT], palette[PAL_GENBKG]);
else
printOneHexBigBg(frameBuffer, putXOffset + 30, putYOffset, ' ', palette[PAL_GENBKG], palette[PAL_GENBKG]);
}
else
{
printOneHexBigBg(frameBuffer, putXOffset + 30, putYOffset, note.sample >> 4, palette[PAL_GENTXT], palette[PAL_GENBKG]);
}
printOneHexBigBg(frameBuffer, putXOffset + 38, putYOffset, note.sample & 0x0F, palette[PAL_GENTXT], palette[PAL_GENBKG]);
printOneHexBigBg(frameBuffer, putXOffset + 46, putYOffset, note.command, palette[PAL_GENTXT], palette[PAL_GENBKG]);
printTwoHexBigBg(frameBuffer, putXOffset + 54, putYOffset, note.param, palette[PAL_GENTXT], palette[PAL_GENBKG]);
}
}
else
{
if (i > 7)
putYOffset += 7; // beyond play row, jump some pixels out of the row (middle)
// put current row number
printTwoDecimalsBg(frameBuffer, 8, putYOffset, rowMiddlePos + modEntry->currRow, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
// pattern data
for (j = 0; j < AMIGA_VOICES; j++)
{
note = modEntry->patterns[modEntry->currPattern][rowData + j];
putXOffset = 26 + (j * 72);
if (note.period == 0)
{
textOutBg(frameBuffer, putXOffset + 6, putYOffset, "---", palette[PAL_PATTXT], palette[PAL_BACKGRD]);
}
else
{
tempNote = periodToNote(note.period);
if (tempNote == 255)
textOutBg(frameBuffer, putXOffset + 6, putYOffset, "???", palette[PAL_PATTXT], palette[PAL_BACKGRD]);
else
textOutBg(frameBuffer, putXOffset + 6, putYOffset, ptConfig.accidental ? noteNames2[tempNote] : noteNames1[tempNote], palette[PAL_PATTXT], palette[PAL_BACKGRD]);
}
if (ptConfig.blankZeroFlag)
{
if (note.sample & 0xF0)
printOneHexBg(frameBuffer, putXOffset + 30, putYOffset, note.sample >> 4, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
else
printOneHexBg(frameBuffer, putXOffset + 30, putYOffset, ' ', palette[PAL_BACKGRD], palette[PAL_BACKGRD]);
}
else
{
printOneHexBg(frameBuffer, putXOffset + 30, putYOffset, note.sample >> 4, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
}
printOneHexBg(frameBuffer, putXOffset + 38, putYOffset, note.sample & 0x0F, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
printOneHexBg(frameBuffer, putXOffset + 46, putYOffset, note.command, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
printTwoHexBg(frameBuffer, putXOffset + 54, putYOffset, note.param, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
}
}
}
}
// clear outside rows
if (modEntry->currRow <= 6)
{
srcPtr = &trackerFrameBMP[140 * SCREEN_W];
dstPtr = &frameBuffer[140 * SCREEN_W];
memcpy(dstPtr, srcPtr, (SCREEN_W * sizeof (int32_t)) * ((7 - modEntry->currRow) * 7));
}
else if (modEntry->currRow >= 57)
{
h = (modEntry->currRow - 56) * 7;
bufferOffset = (250 - h) * SCREEN_W;
srcPtr = &trackerFrameBMP[bufferOffset];
dstPtr = &frameBuffer[bufferOffset];
memcpy(dstPtr, srcPtr, (SCREEN_W * sizeof (int32_t)) * h);
}
}
void drawPatternDotted(uint32_t *frameBuffer)
{
int8_t rowMiddlePos;
uint8_t j, h, tempNote, rowDispCheck;
uint16_t putXOffset, putYOffset, rowData;
const uint32_t *srcPtr;
uint32_t bufferOffset, *dstPtr;
note_t note;
for (uint8_t i = 0; i < VISIBLE_ROWS; i++)
{
rowMiddlePos = i - 7;
rowDispCheck = modEntry->currRow + rowMiddlePos;
if (rowDispCheck < MOD_ROWS)
{
rowData = rowDispCheck * 4;
putYOffset = 140 + (i * 7);
if (i == 7) // are we on the play row (middle)?
{
putYOffset++; // align font to play row (middle)
// put current row number
printTwoDecimalsBigBg(frameBuffer, 8, putYOffset, rowMiddlePos + modEntry->currRow, palette[PAL_GENTXT], palette[PAL_GENBKG]);
// pattern data
for (j = 0; j < AMIGA_VOICES; j++)
{
note = modEntry->patterns[modEntry->currPattern][rowData + j];
putXOffset = 26 + (j * 72);
if (note.period == 0)
{
charOutBigBg(frameBuffer, putXOffset + 6, putYOffset, -128, palette[PAL_GENTXT], palette[PAL_GENBKG]);
charOutBigBg(frameBuffer, putXOffset + 14, putYOffset, -128, palette[PAL_GENTXT], palette[PAL_GENBKG]);
charOutBigBg(frameBuffer, putXOffset + 22, putYOffset, -128, palette[PAL_GENTXT], palette[PAL_GENBKG]);
}
else
{
tempNote = periodToNote(note.period);
if (tempNote == 255)
textOutBigBg(frameBuffer, putXOffset + 6, putYOffset, "???", palette[PAL_GENTXT], palette[PAL_GENBKG]);
else
textOutBigBg(frameBuffer, putXOffset + 6, putYOffset, ptConfig.accidental ? noteNames2[tempNote] : noteNames1[tempNote], palette[PAL_GENTXT], palette[PAL_GENBKG]);
}
if (note.sample)
{
printOneHexBigBg(frameBuffer, putXOffset + 30, putYOffset, note.sample >> 4, palette[PAL_GENTXT], palette[PAL_GENBKG]);
printOneHexBigBg(frameBuffer, putXOffset + 38, putYOffset, note.sample & 0x0F, palette[PAL_GENTXT], palette[PAL_GENBKG]);
}
else
{
charOutBigBg(frameBuffer, putXOffset + 30, putYOffset, -128, palette[PAL_GENTXT], palette[PAL_GENBKG]);
charOutBigBg(frameBuffer, putXOffset + 38, putYOffset, -128, palette[PAL_GENTXT], palette[PAL_GENBKG]);
}
if ((note.command | note.param) == 0)
{
charOutBigBg(frameBuffer, putXOffset + 46, putYOffset, -128, palette[PAL_GENTXT], palette[PAL_GENBKG]);
charOutBigBg(frameBuffer, putXOffset + 54, putYOffset, -128, palette[PAL_GENTXT], palette[PAL_GENBKG]);
charOutBigBg(frameBuffer, putXOffset + 62, putYOffset, -128, palette[PAL_GENTXT], palette[PAL_GENBKG]);
}
else
{
printOneHexBigBg(frameBuffer, putXOffset + 46, putYOffset, note.command, palette[PAL_GENTXT], palette[PAL_GENBKG]);
printTwoHexBigBg(frameBuffer, putXOffset + 54, putYOffset, note.param, palette[PAL_GENTXT], palette[PAL_GENBKG]);
}
}
}
else
{
if (i > 7)
putYOffset += 7; // beyond play row, jump some pixels out of the row (middle)
// put current row number
printTwoDecimalsBg(frameBuffer, 8, putYOffset, rowMiddlePos + modEntry->currRow, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
// pattern data
for (j = 0; j < AMIGA_VOICES; j++)
{
note = modEntry->patterns[modEntry->currPattern][rowData + j];
putXOffset = 26 + (j * 72);
if (note.period == 0)
{
charOutBg(frameBuffer, putXOffset + 6, putYOffset, -128, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
charOutBg(frameBuffer, putXOffset + 14, putYOffset, -128, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
charOutBg(frameBuffer, putXOffset + 22, putYOffset, -128, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
}
else
{
tempNote = periodToNote(note.period);
if (tempNote == 255)
textOutBg(frameBuffer, putXOffset + 6, putYOffset, "???", palette[PAL_PATTXT], palette[PAL_BACKGRD]);
else
textOutBg(frameBuffer, putXOffset + 6, putYOffset, ptConfig.accidental ? noteNames2[tempNote] : noteNames1[tempNote], palette[PAL_PATTXT], palette[PAL_BACKGRD]);
}
if (note.sample)
{
printOneHexBg(frameBuffer, putXOffset + 30, putYOffset, note.sample >> 4, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
printOneHexBg(frameBuffer, putXOffset + 38, putYOffset, note.sample & 0x0F, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
}
else
{
charOutBg(frameBuffer, putXOffset + 30, putYOffset, -128, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
charOutBg(frameBuffer, putXOffset + 38, putYOffset, -128, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
}
if ((note.command | note.param) == 0)
{
charOutBg(frameBuffer, putXOffset + 46, putYOffset, -128, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
charOutBg(frameBuffer, putXOffset + 54, putYOffset, -128, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
charOutBg(frameBuffer, putXOffset + 62, putYOffset, -128, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
}
else
{
printOneHexBg(frameBuffer, putXOffset + 46, putYOffset, note.command, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
printTwoHexBg(frameBuffer, putXOffset + 54, putYOffset, note.param, palette[PAL_PATTXT], palette[PAL_BACKGRD]);
}
}
}
}
}
// clear outside rows
if (modEntry->currRow <= 6)
{
srcPtr = &trackerFrameBMP[140 * SCREEN_W];
dstPtr = &frameBuffer[140 * SCREEN_W];
memcpy(dstPtr, srcPtr, (SCREEN_W * sizeof (int32_t)) * ((7 - modEntry->currRow) * 7));
}
else if (modEntry->currRow >= 57)
{
h = (modEntry->currRow - 56) * 7;
bufferOffset = (250 - h) * SCREEN_W;
srcPtr = &trackerFrameBMP[bufferOffset];
dstPtr = &frameBuffer[bufferOffset];
memcpy(dstPtr, srcPtr, (SCREEN_W * sizeof (int32_t)) * h);
}
}
void redrawPattern(uint32_t *frameBuffer)
{
if (ptConfig.pattDots)
drawPatternDotted(frameBuffer);
else
drawPatternNormal(frameBuffer);
}