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fceux/drivers/win/ppuview.cpp

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/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2002 Ben Parnell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "common.h"
#include "..\..\palette.h"
HWND hPPUView;
extern uint8 *VPage[8];
extern uint8 PALRAM[0x20];
int PPUViewPosX,PPUViewPosY;
uint8 palcache[32] = { 0xFF }; //palette cache
uint8 chrcache0[0x1000],chrcache1[0x1000]; //cache CHR, fixes a refresh problem when right-clicking
uint8 *pattern0,*pattern1; //pattern table bitmap arrays
uint8 *ppuv_palette;
static int pindex0=0,pindex1=0;
int PPUViewScanline=0,PPUViewer=0;
int PPUViewSkip,PPUViewRefresh;
int mouse_x,mouse_y;
#define PATTERNWIDTH 128
#define PATTERNHEIGHT 128
#define PATTERNBITWIDTH PATTERNWIDTH*3
#define PATTERNDESTX 10
#define PATTERNDESTY 15
#define ZOOM 2
#define PALETTEWIDTH 32*4*4
#define PALETTEHEIGHT 32*2
#define PALETTEBITWIDTH PALETTEWIDTH*3
#define PALETTEDESTX 10
#define PALETTEDESTY 327
#define TBM_SETPOS (WM_USER+5)
#define TBM_SETRANGE (WM_USER+6)
#define TBM_GETPOS (WM_USER)
BITMAPINFO bmInfo;
HDC pDC,TmpDC0,TmpDC1;
HBITMAP TmpBmp0,TmpBmp1;
HGDIOBJ TmpObj0,TmpObj1;
BITMAPINFO bmInfo2;
HDC TmpDC2,TmpDC3;
HBITMAP TmpBmp2,TmpBmp3;
HGDIOBJ TmpObj2,TmpObj3;
void PPUViewDoBlit() {
if(!hPPUView) return;
if(PPUViewSkip < PPUViewRefresh) {
PPUViewSkip++;
return;
}
PPUViewSkip=0;
StretchBlt(pDC,PATTERNDESTX,PATTERNDESTY,PATTERNWIDTH*ZOOM,PATTERNHEIGHT*ZOOM,TmpDC0,0,PATTERNHEIGHT-1,PATTERNWIDTH,-PATTERNHEIGHT,SRCCOPY);
StretchBlt(pDC,PATTERNDESTX+(PATTERNWIDTH*ZOOM)+1,PATTERNDESTY,PATTERNWIDTH*ZOOM,PATTERNHEIGHT*ZOOM,TmpDC1,0,PATTERNHEIGHT-1,PATTERNWIDTH,-PATTERNHEIGHT,SRCCOPY);
StretchBlt(pDC,PALETTEDESTX,PALETTEDESTY,PALETTEWIDTH,PALETTEHEIGHT,TmpDC2,0,PALETTEHEIGHT-1,PALETTEWIDTH,-PALETTEHEIGHT,SRCCOPY);
}
void DrawPatternTable(uint8 *bitmap, uint8 *table, uint8 pal) {
int i,j,x,y,index=0;
int p=0,tmp;
uint8 chr0,chr1;
uint8 *pbitmap = bitmap;
pal <<= 2;
for (i = 0; i < 16; i++) {
for (j = 0; j < 16; j++) {
for (y = 0; y < 8; y++) {
chr0 = table[index];
chr1 = table[index+8];
tmp=7;
for (x = 0; x < 8; x++) {
p = (chr0>>tmp)&1;
p |= ((chr1>>tmp)&1)<<1;
p = palcache[p|pal];
tmp--;
*(uint8*)(pbitmap++) = palo[p].b;
*(uint8*)(pbitmap++) = palo[p].g;
*(uint8*)(pbitmap++) = palo[p].r;
}
index++;
pbitmap += ((PALETTEBITWIDTH>>2)-24);
}
index+=8;
pbitmap -= (((PALETTEBITWIDTH>>2)<<3)-24);
}
pbitmap += ((PALETTEBITWIDTH>>2)*7);
}
}
void FCEUD_UpdatePPUView(int scanline, int refreshchr) {
if(!PPUViewer) return;
if(scanline != -1 && scanline != PPUViewScanline) return;
int x,y,i;
uint8 *pbitmap = ppuv_palette;
if(!hPPUView) return;
if(PPUViewSkip < PPUViewRefresh) return;
if(refreshchr) {
for (i = 0, x=0x1000; i < 0x1000; i++, x++) {
chrcache0[i] = VPage[i>>10][i];
chrcache1[i] = VPage[x>>10][x];
}
}
//update palette only if required
if(memcmp(palcache,PALRAM,32) != 0) { //bbit note: let para know that this if is useless and
//cache palette content will not work because of the lines below that change
memcpy(palcache,PALRAM,32); //palcache which will make it not equal next time
palcache[0x10] = palcache[0x00];
palcache[0x14] = palcache[0x00];
palcache[0x18] = palcache[0x00];
palcache[0x1C] = palcache[0x00];
//draw palettes
for (y = 0; y < PALETTEHEIGHT; y++) {
for (x = 0; x < PALETTEWIDTH; x++) {
i = (((y>>5)<<4)+(x>>5));
*(uint8*)(pbitmap++) = palo[palcache[i]].b;
*(uint8*)(pbitmap++) = palo[palcache[i]].g;
*(uint8*)(pbitmap++) = palo[palcache[i]].r;
}
}
//draw line seperators on palette
pbitmap = (ppuv_palette+PALETTEBITWIDTH*31);
for (x = 0; x < PALETTEWIDTH*2; x++) {
*(uint8*)(pbitmap++) = 0;
*(uint8*)(pbitmap++) = 0;
*(uint8*)(pbitmap++) = 0;
}
pbitmap = (ppuv_palette-3);
for (y = 0; y < 64*3; y++) {
if(!(y%3)) pbitmap += (32*4*3);
for (x = 0; x < 6; x++) {
*(uint8*)(pbitmap++) = 0;
}
pbitmap += ((32*4*3)-6);
}
memcpy(palcache,PALRAM,32); //palcache which will make it not equal next time
}
DrawPatternTable(pattern0,chrcache0,pindex0);
DrawPatternTable(pattern1,chrcache1,pindex1);
//PPUViewDoBlit();
}
void KillPPUView() {
//GDI cleanup
DeleteObject(TmpBmp0);
SelectObject(TmpDC0,TmpObj0);
DeleteDC(TmpDC0);
DeleteObject(TmpBmp1);
SelectObject(TmpDC1,TmpObj1);
DeleteDC(TmpDC1);
DeleteObject(TmpBmp2);
SelectObject(TmpDC2,TmpObj2);
DeleteDC(TmpDC2);
ReleaseDC(hPPUView,pDC);
DestroyWindow(hPPUView);
hPPUView=NULL;
PPUViewer=0;
PPUViewSkip=0;
}
extern void StopSound(void);
BOOL CALLBACK PPUViewCallB(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
RECT wrect;
char str[20];
switch(uMsg) {
case WM_INITDIALOG:
SetWindowPos(hwndDlg,0,PPUViewPosX,PPUViewPosY,0,0,SWP_NOSIZE|SWP_NOZORDER|SWP_NOOWNERZORDER);
//prepare the bitmap attributes
//pattern tables
memset(&bmInfo.bmiHeader,0,sizeof(BITMAPINFOHEADER));
bmInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmInfo.bmiHeader.biWidth = PATTERNWIDTH;
bmInfo.bmiHeader.biHeight = PATTERNHEIGHT;
bmInfo.bmiHeader.biPlanes = 1;
bmInfo.bmiHeader.biBitCount = 24;
//palettes
memset(&bmInfo2.bmiHeader,0,sizeof(BITMAPINFOHEADER));
bmInfo2.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmInfo2.bmiHeader.biWidth = PALETTEWIDTH;
bmInfo2.bmiHeader.biHeight = PALETTEHEIGHT;
bmInfo2.bmiHeader.biPlanes = 1;
bmInfo2.bmiHeader.biBitCount = 24;
//create memory dcs
pDC = GetDC(hwndDlg); // GetDC(GetDlgItem(hwndDlg,101));
TmpDC0 = CreateCompatibleDC(pDC); //pattern table 0
TmpDC1 = CreateCompatibleDC(pDC); //pattern table 1
TmpDC2 = CreateCompatibleDC(pDC); //palettes
//create bitmaps and select them into the memory dc's
TmpBmp0 = CreateDIBSection(pDC,&bmInfo,DIB_RGB_COLORS,(void**)&pattern0,0,0);
TmpObj0 = SelectObject(TmpDC0,TmpBmp0);
TmpBmp1 = CreateDIBSection(pDC,&bmInfo,DIB_RGB_COLORS,(void**)&pattern1,0,0);
TmpObj1 = SelectObject(TmpDC1,TmpBmp1);
TmpBmp2 = CreateDIBSection(pDC,&bmInfo2,DIB_RGB_COLORS,(void**)&ppuv_palette,0,0);
TmpObj2 = SelectObject(TmpDC2,TmpBmp2);
//Refresh Trackbar
SendDlgItemMessage(hwndDlg,201,TBM_SETRANGE,0,(LPARAM)MAKELONG(0,25));
SendDlgItemMessage(hwndDlg,201,TBM_SETPOS,1,PPUViewRefresh);
//Set Text Limit
SendDlgItemMessage(hwndDlg,102,EM_SETLIMITTEXT,3,0);
//force redraw the first time the PPU Viewer is opened
PPUViewSkip=100;
//clear cache
memset(palcache,0,32);
memset(chrcache0,0,0x1000);
memset(chrcache1,0,0x1000);
PPUViewer=1;
break;
case WM_PAINT:
PPUViewDoBlit();
break;
case WM_CLOSE:
case WM_QUIT:
KillPPUView();
break;
case WM_MOVING:
StopSound();
break;
case WM_MOVE:
GetWindowRect(hwndDlg,&wrect);
PPUViewPosX = wrect.left;
PPUViewPosY = wrect.top;
break;
case WM_RBUTTONDBLCLK:
case WM_RBUTTONDOWN:
mouse_x = GET_X_LPARAM(lParam);
mouse_y = GET_Y_LPARAM(lParam);
if(((mouse_x >= PATTERNDESTX) && (mouse_x < (PATTERNDESTX+(PATTERNWIDTH*ZOOM)))) && (mouse_y >= PATTERNDESTY) && (mouse_y < (PATTERNDESTY+(PATTERNHEIGHT*ZOOM)))) {
if(pindex0 == 7) pindex0 = 0;
else pindex0++;
}
else if(((mouse_x >= PATTERNDESTX+(PATTERNWIDTH*ZOOM)+1) && (mouse_x < (PATTERNDESTX+(PATTERNWIDTH*ZOOM)*2+1))) && (mouse_y >= PATTERNDESTY) && (mouse_y < (PATTERNDESTY+(PATTERNHEIGHT*ZOOM)))) {
if(pindex1 == 7) pindex1 = 0;
else pindex1++;
}
FCEUD_UpdatePPUView(-1, 0);
PPUViewDoBlit();
break;
case WM_MOUSEMOVE:
mouse_x = GET_X_LPARAM(lParam);
mouse_y = GET_Y_LPARAM(lParam);
if(((mouse_x >= PATTERNDESTX) && (mouse_x < (PATTERNDESTX+(PATTERNWIDTH*ZOOM)))) && (mouse_y >= PATTERNDESTY) && (mouse_y < (PATTERNDESTY+(PATTERNHEIGHT*ZOOM)))) {
mouse_x = (mouse_x-PATTERNDESTX)/(8*ZOOM);
mouse_y = (mouse_y-PATTERNDESTY)/(8*ZOOM);
sprintf(str,"Tile: $%X%X",mouse_y,mouse_x);
SetDlgItemText(hwndDlg,103,str);
SetDlgItemText(hwndDlg,104,"Tile:");
SetDlgItemText(hwndDlg,105,"Palettes");
}
else if(((mouse_x >= PATTERNDESTX+(PATTERNWIDTH*ZOOM)+1) && (mouse_x < (PATTERNDESTX+(PATTERNWIDTH*ZOOM)*2+1))) && (mouse_y >= PATTERNDESTY) && (mouse_y < (PATTERNDESTY+(PATTERNHEIGHT*ZOOM)))) {
mouse_x = (mouse_x-(PATTERNDESTX+(PATTERNWIDTH*ZOOM)+1))/(8*ZOOM);
mouse_y = (mouse_y-PATTERNDESTY)/(8*ZOOM);
sprintf(str,"Tile: $%X%X",mouse_y,mouse_x);
SetDlgItemText(hwndDlg,104,str);
SetDlgItemText(hwndDlg,103,"Tile:");
SetDlgItemText(hwndDlg,105,"Palettes");
}
else if(((mouse_x >= PALETTEDESTX) && (mouse_x < (PALETTEDESTX+PALETTEWIDTH))) && (mouse_y >= PALETTEDESTY) && (mouse_y < (PALETTEDESTY+PALETTEHEIGHT))) {
mouse_x = (mouse_x-PALETTEDESTX)/32;
mouse_y = (mouse_y-PALETTEDESTY)/32;
sprintf(str,"Palette: $%02X",palcache[(mouse_y<<4)|mouse_x]);
SetDlgItemText(hwndDlg,103,"Tile:");
SetDlgItemText(hwndDlg,104,"Tile:");
SetDlgItemText(hwndDlg,105,str);
}
else {
SetDlgItemText(hwndDlg,103,"Tile:");
SetDlgItemText(hwndDlg,104,"Tile:");
SetDlgItemText(hwndDlg,105,"Palettes");
}
break;
case WM_NCACTIVATE:
sprintf(str,"%d",PPUViewScanline);
SetDlgItemText(hwndDlg,102,str);
break;
case WM_COMMAND:
switch(HIWORD(wParam)) {
case EN_UPDATE:
GetDlgItemText(hwndDlg,102,str,4);
sscanf(str,"%d",&PPUViewScanline);
if(PPUViewScanline > 239) PPUViewScanline = 239;
break;
}
break;
case WM_HSCROLL:
if(lParam) { //refresh trackbar
PPUViewRefresh = SendDlgItemMessage(hwndDlg,201,TBM_GETPOS,0,0);
}
break;
}
return FALSE;
}
void DoPPUView() {
if(!GI) {
FCEUD_PrintError("You must have a game loaded before you can use the PPU Viewer.");
return;
}
if(GI->type==GIT_NSF) {
FCEUD_PrintError("Sorry, you can't use the PPU Viewer with NSFs.");
return;
}
if(!hPPUView) hPPUView = CreateDialog(fceu_hInstance,"PPUVIEW",NULL,PPUViewCallB);
if(hPPUView) {
SetWindowPos(hPPUView,HWND_TOP,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE|SWP_NOOWNERZORDER);
FCEUD_UpdatePPUView(-1,1);
PPUViewDoBlit();
}
}
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