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6502bench/SourceGen/RuntimeData/Commodore/VisC64.cs

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/*
* Copyright 2019 faddenSoft
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
using System.Collections.ObjectModel;
using PluginCommon;
namespace RuntimeData.Commodore {
public class VisC64 : MarshalByRefObject, IPlugin, IPlugin_Visualizer {
// IPlugin
public string Identifier {
get { return "C64 Graphic Visualizer"; }
}
private IApplication mAppRef;
private byte[] mFileData;
private AddressTranslate mAddrTrans;
// Visualization identifiers; DO NOT change or projects that use them will break.
private const string VIS_GEN_HI_RES_SPRITE = "c64-hi-res-sprite";
private const string VIS_GEN_MULTI_COLOR_SPRITE = "c64-multi-color-sprite";
private const string P_OFFSET = "offset";
private const string P_DOUBLE_WIDE = "doubleWide";
private const string P_DOUBLE_HIGH = "doubleHigh";
private const string P_COLOR = "color"; // sprite color (hi-res or multi-color)
private const string P_COLOR_01 = "color01"; // multi-color 1
private const string P_COLOR_11 = "color11"; // multi-color 2
private const int MAX_COLOR = 15;
private const int BYTE_WIDTH = 3;
private const int HEIGHT = 21;
private const int SPRITE_SIZE = BYTE_WIDTH * HEIGHT; // 63
// Visualization descriptors.
private VisDescr[] mDescriptors = new VisDescr[] {
new VisDescr(VIS_GEN_HI_RES_SPRITE, "C64 Hi-Res Sprite", VisDescr.VisType.Bitmap,
new VisParamDescr[] {
new VisParamDescr("File offset (hex)",
P_OFFSET, typeof(int), 0, 0x00ffffff, VisParamDescr.SpecialMode.Offset, 0),
new VisParamDescr("Sprite color",
P_COLOR, typeof(int), 0, 15, 0, 0),
new VisParamDescr("Double wide",
P_DOUBLE_WIDE, typeof(bool), 0, 0, 0, false),
new VisParamDescr("Double high",
P_DOUBLE_HIGH, typeof(bool), 0, 0, 0, false),
}),
new VisDescr(VIS_GEN_MULTI_COLOR_SPRITE, "C64 Multi-Color Sprite", VisDescr.VisType.Bitmap,
new VisParamDescr[] {
new VisParamDescr("File offset (hex)",
P_OFFSET, typeof(int), 0, 0x00ffffff, VisParamDescr.SpecialMode.Offset, 0),
new VisParamDescr("Sprite color",
P_COLOR, typeof(int), 0, 15, 0, 1),
new VisParamDescr("Multi-color 1",
P_COLOR_01, typeof(int), 0, 15, 0, 0),
new VisParamDescr("Multi-color 2",
P_COLOR_11, typeof(int), 0, 15, 0, 2),
new VisParamDescr("Double wide",
P_DOUBLE_WIDE, typeof(bool), 0, 0, 0, false),
new VisParamDescr("Double high",
P_DOUBLE_HIGH, typeof(bool), 0, 0, 0, false),
}),
};
// IPlugin
public void Prepare(IApplication appRef, byte[] fileData, AddressTranslate addrTrans) {
mAppRef = appRef;
mFileData = fileData;
mAddrTrans = addrTrans;
}
// IPlugin
public void Unprepare() {
mAppRef = null;
mFileData = null;
mAddrTrans = null;
}
// IPlugin_Visualizer
public VisDescr[] GetVisGenDescrs() {
// We're using a static set, but it could be generated based on file contents.
// Confirm that we're prepared.
if (mFileData == null) {
return null;
}
return mDescriptors;
}
// IPlugin_Visualizer
public IVisualization2d Generate2d(VisDescr descr,
ReadOnlyDictionary<string, object> parms) {
switch (descr.Ident) {
case VIS_GEN_HI_RES_SPRITE:
return GenerateHiResSprite(parms);
case VIS_GEN_MULTI_COLOR_SPRITE:
return GenerateMultiColorSprite(parms);
default:
mAppRef.ReportError("Unknown ident " + descr.Ident);
return null;
}
}
private IVisualization2d GenerateHiResSprite(ReadOnlyDictionary<string, object> parms) {
int offset = Util.GetFromObjDict(parms, P_OFFSET, 0);
byte color = (byte)Util.GetFromObjDict(parms, P_COLOR, 0);
bool isDoubleWide = Util.GetFromObjDict(parms, P_DOUBLE_WIDE, false);
bool isDoubleHigh = Util.GetFromObjDict(parms, P_DOUBLE_HIGH, false);
if (offset < 0 || offset >= mFileData.Length || color < 0 || color > MAX_COLOR) {
// the UI should flag these based on range (and ideally wouldn't have called us)
mAppRef.ReportError("Invalid parameter");
return null;
}
int lastOffset = offset + SPRITE_SIZE - 1;
if (lastOffset >= mFileData.Length) {
mAppRef.ReportError("Sprite runs off end of file (last offset +" +
lastOffset.ToString("x6") + ")");
return null;
}
int xwide = isDoubleWide ? 2 : 1;
int xhigh = isDoubleHigh ? 2 : 1;
VisBitmap8 vb = new VisBitmap8(BYTE_WIDTH * 8 * xwide, HEIGHT * xhigh);
SetPalette(vb);
// Clear all pixels to transparent, then just draw the non-transparent ones.
vb.SetAllPixelIndices(TRANSPARENT);
for (int row = 0; row < HEIGHT; row++) {
for (int col = 0; col < BYTE_WIDTH; col++) {
byte val = mFileData[offset + row * BYTE_WIDTH + col];
for (int bit = 0; bit < 8; bit++) {
if ((val & 0x80) != 0) {
int xc = (col * 8 + bit) * xwide;
int yc = row * xhigh;
vb.SetPixelIndex(xc, yc, color);
if (isDoubleWide || isDoubleHigh) {
// Draw doubled pixels. If we're only doubled in one dimension
// this will draw pixels twice.
vb.SetPixelIndex(xc + xwide - 1, yc, color);
vb.SetPixelIndex(xc, yc + xhigh - 1, color);
vb.SetPixelIndex(xc + xwide - 1, yc + xhigh - 1, color);
}
}
val <<= 1;
}
}
}
return vb;
}
private IVisualization2d GenerateMultiColorSprite(ReadOnlyDictionary<string, object> parms) {
int offset = Util.GetFromObjDict(parms, P_OFFSET, 0);
byte color = (byte)Util.GetFromObjDict(parms, P_COLOR, 0);
byte color01 = (byte)Util.GetFromObjDict(parms, P_COLOR_01, 0);
byte color11 = (byte)Util.GetFromObjDict(parms, P_COLOR_11, 0);
bool isDoubleWide = Util.GetFromObjDict(parms, P_DOUBLE_WIDE, false);
bool isDoubleHigh = Util.GetFromObjDict(parms, P_DOUBLE_HIGH, false);
if (offset < 0 || offset >= mFileData.Length ||
color < 0 || color > MAX_COLOR ||
color01 < 0 || color01 > MAX_COLOR ||
color11 < 0 || color11 > MAX_COLOR) {
// the UI should flag these based on range (and ideally wouldn't have called us)
mAppRef.ReportError("Invalid parameter");
return null;
}
int lastOffset = offset + SPRITE_SIZE - 1;
if (lastOffset >= mFileData.Length) {
mAppRef.ReportError("Sprite runs off end of file (last offset +" +
lastOffset.ToString("x6") + ")");
return null;
}
int xwide = isDoubleWide ? 2 : 1;
int xhigh = isDoubleHigh ? 2 : 1;
VisBitmap8 vb = new VisBitmap8(BYTE_WIDTH * 8 * xwide, HEIGHT * xhigh);
SetPalette(vb);
vb.SetAllPixelIndices(TRANSPARENT);
for (int row = 0; row < HEIGHT; row++) {
for (int col = 0; col < BYTE_WIDTH; col++) {
byte val = mFileData[offset + row * BYTE_WIDTH + col];
for (int bit = 0; bit < 8; bit += 2) {
byte pixColor = 0;
switch (val & 0xc0) {
case 0x00: pixColor = TRANSPARENT; break;
case 0x80: pixColor = color; break;
case 0x40: pixColor = color01; break;
case 0xc0: pixColor = color11; break;
}
int xc = (col * 8 + bit) * xwide;
int yc = row * xhigh;
vb.SetPixelIndex(xc, yc, pixColor);
vb.SetPixelIndex(xc+1, yc, pixColor);
if (isDoubleWide || isDoubleHigh) {
// Draw doubled pixels. If we're only doubled in one dimension
// this will draw pixels twice.
vb.SetPixelIndex(xc + xwide*2 - 2, yc, pixColor);
vb.SetPixelIndex(xc + xwide*2 - 1, yc, pixColor);
vb.SetPixelIndex(xc, yc + xhigh - 1, pixColor);
vb.SetPixelIndex(xc + 1, yc + xhigh - 1, pixColor);
vb.SetPixelIndex(xc + xwide*2 - 2, yc + xhigh - 1, pixColor);
vb.SetPixelIndex(xc + xwide*2 - 1, yc + xhigh - 1, pixColor);
}
val <<= 2;
}
}
}
return vb;
}
private const byte TRANSPARENT = 16;
// C64 colors, from http://unusedino.de/ec64/technical/misc/vic656x/colors/
// (the ones on https://www.c64-wiki.com/wiki/Color looked wrong)
private void SetPalette(VisBitmap8 vb) {
vb.AddColor(0xff, 0x00, 0x00, 0x00); // 0=black
vb.AddColor(0xff, 0xff, 0xff, 0xff); // 1=white
vb.AddColor(0xff, 0x68, 0x37, 0x2b); // 2=red
vb.AddColor(0xff, 0x70, 0xa4, 0xb2); // 3=cyan
vb.AddColor(0xff, 0x6f, 0x3d, 0x86); // 4=purple
vb.AddColor(0xff, 0x58, 0x8d, 0x43); // 5=green
vb.AddColor(0xff, 0x35, 0x28, 0x79); // 6=blue
vb.AddColor(0xff, 0xb8, 0xc7, 0x6f); // 7=yellow
vb.AddColor(0xff, 0x6f, 0x4f, 0x25); // 8=orange
vb.AddColor(0xff, 0x43, 0x39, 0x00); // 9-brown
vb.AddColor(0xff, 0x9a, 0x67, 0x59); // 10=light red
vb.AddColor(0xff, 0x44, 0x44, 0x44); // 11=dark grey
vb.AddColor(0xff, 0x6c, 0x6c, 0x6c); // 12=grey
vb.AddColor(0xff, 0x9a, 0xd2, 0x84); // 13=light green
vb.AddColor(0xff, 0x6c, 0x5e, 0xb5); // 14=light blue
vb.AddColor(0xff, 0x95, 0x95, 0x95); // 15=light grey
vb.AddColor(0, 0, 0, 0); // 16=transparent
}
}
}