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Directly using VirtualBox from Java #5

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NorbiPeti merged 60 commits from directvb into master 2019-04-18 23:29:21 +00:00
Conversation 0 Commits 60 Files changed 89 +139 -15
3 changed files with 139 additions and 15 deletions
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3
VirtualComputer/src/sznp/virtualcomputer/DirectRenderer.java
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@ -75,7 +75,6 @@ public class DirectRenderer implements IRenderer {
this.height=height; this.height=height;
if(System.nanoTime()-lastrender<100*1000*1000) if(System.nanoTime()-lastrender<100*1000*1000)
return; return;
lastrender=System.nanoTime();
try { try {
boolean hascolor=false; boolean hascolor=false;
for (int i = startindex, j = 0; i < allpixels.limit() - 4 && j < buffer.length; i += 4, j++) { for (int i = startindex, j = 0; i < allpixels.limit() - 4 && j < buffer.length; i += 4, j++) {
@ -103,6 +102,8 @@ public class DirectRenderer implements IRenderer {
|| (e.getMessage() != null && e.getMessage().equals(ex.getMessage())))) || (e.getMessage() != null && e.getMessage().equals(ex.getMessage()))))
return; return;
(ex = e).printStackTrace(); (ex = e).printStackTrace();
} finally {
lastrender = System.nanoTime(); //Even if there was an error, wait for the next render
} }
} }
} }

7
VirtualComputer/src/sznp/virtualcomputer/PXCLib.java
View file

@ -16,12 +16,11 @@ public interface PXCLib {
* @param h Height of the screen * @param h Height of the screen
* @param mc Total count of maps used for the screen * @param mc Total count of maps used for the screen
*/ */
void setSource(long address, int w, int h, int mc); void setSource(long address, int w, int h, int mcx, int mcy);
/** /**
* Updates map and returns it's content * Updates map and returns it's content
* @param mapnum Number of the map (0 is first) * @return Full map data [mapc][data]
* @return Address of the map data
*/ */
long updateAndGetMap(short mapnum); //TODO: Only update parts that actually updated and return them per-map (flagDirty) byte[][] updateAndGetMap(int x, int y, int width, int height); //TODO: Only update parts that actually updated and return them per-map (flagDirty)
} }

144
libpxc/pxc.c
View file

@ -3,25 +3,149 @@
#define MAPSIZE 128 #define MAPSIZE 128
#if MAPSIZE>255
#error MAPSIZE must be a short value
#endif
//---------------------------------------------------------------------
// http://www.pixelbeat.org/programming/gcc/static_assert.html
#define ct_assert(e) {enum { ct_assert_value = 1/(!!(e)) };}
//---------------------------------------------------------------------
typedef long long int addr; typedef long long int addr;
typedef struct { //BGRA
int blue : 8;
int green : 8;
int red : 8;
int alpha : 8;
} Color;
char matchColor(Color* p);
void* image=NULL; void* image=NULL;
const void* maps=NULL; //Per map data (1st map, second map etc.) void* maps=NULL; //Per map data (1st map, second map etc.)
int width, height, mapc; short width, height, mapcx, mapcy;
char* mapp=NULL; //Pointer inside the map
Color* imgp=NULL; //Pointer inside the image
void setSource(addr address, int w, int h, int mc) { void setSource(addr address, short w, short h, short mcx, short mcy) {
ct_assert(sizeof(char)==1); //Compile-time assert
ct_assert(sizeof(Color)==4); //Compile-time assert
image=(void*)address; image=(void*)address;
maps=malloc(MAPSIZE*MAPSIZE*mc); //1 byte per pixel maps=malloc(MAPSIZE*MAPSIZE*mcx*mcy); //1 byte per pixel
width=w, height=h, mapc=mc; width=w, height=h, mapcx=mcx, mapcy=mcy;
mapp=maps;
} }
//May return 0 //May return 0
addr updateAndGetMap(short mapnum) { void* updateAndGetMap(int x, int y, int w, int h) { //TODO: Support the parameters
if(mapnum<0||mapnum>=mapc) return 0; //Out of bounds if(image==NULL || maps==NULL) return 0;
//TODO: Converter void* const retp = mapp;
//return (long)map+mapx*MAPSIZE + mapy*MAPSIZE*width; - not good, we need to order the data per map for(short i=0; i<MAPSIZE; i++) { //We need to jump
return (long)maps + MAPSIZE*MAPSIZE*mapnum; for(short j=0; j<MAPSIZE; j++) {
*mapp=matchColor(imgp);
imgp++; //Increment by the size of color so 4
mapp++;
}
imgp+=width-MAPSIZE; //Go back to the first column
}
imgp+=MAPSIZE; //Go to the next map, kind of - TODO: Use X and Y coords!
if((void*)mapp - maps > MAPSIZE * MAPSIZE * mapcx * mapcy ||
(void*)imgp - image > width * height * sizeof(Color)) {
mapp = maps; //Start over
imgp = image; //Start over
} //TODO: This is only one map, do it for all of them
return retp;
}
const Color colors[] = { //TODO: These should be in BGRA format, not RGB
{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0},
{89, 125, 39}, {109, 153, 48}, {127, 178, 56}, {67, 94, 29},
{174, 164, 115}, {213, 201, 140}, {247, 233, 163}, {130, 123, 86},
{140, 140, 140}, {171, 171, 171}, {199, 199, 199}, {105, 105, 105},
{180, 0, 0}, {220, 0, 0}, {255, 0, 0}, {135, 0, 0},
{112, 112, 180}, {138, 138, 220}, {160, 160, 255}, {84, 84, 135},
{117, 117, 117}, {144, 144, 144}, {167, 167, 167}, {88, 88, 88},
{0, 87, 0}, {0, 106, 0}, {0, 124, 0}, {0, 65, 0},
{180, 180, 180}, {220, 220, 220}, {255, 255, 255}, {135, 135, 135},
{115, 118, 129}, {141, 144, 158}, {164, 168, 184}, {86, 88, 97},
{106, 76, 54}, {130, 94, 66}, {151, 109, 77}, {79, 57, 40},
{79, 79, 79}, {96, 96, 96}, {112, 112, 112}, {59, 59, 59},
{45, 45, 180}, {55, 55, 220}, {64, 64, 255}, {33, 33, 135},
{100, 84, 50}, {123, 102, 62}, {143, 119, 72}, {75, 63, 38},
{180, 177, 172}, {220, 217, 211}, {255, 252, 245}, {135, 133, 129},
{152, 89, 36}, {186, 109, 44}, {216, 127, 51}, {114, 67, 27},
{125, 53, 152}, {153, 65, 186}, {178, 76, 216}, {94, 40, 114},
{72, 108, 152}, {88, 132, 186}, {102, 153, 216}, {54, 81, 114},
{161, 161, 36}, {197, 197, 44}, {229, 229, 51}, {121, 121, 27},
{89, 144, 17}, {109, 176, 21}, {127, 204, 25}, {67, 108, 13},
{170, 89, 116}, {208, 109, 142}, {242, 127, 165}, {128, 67, 87},
{53, 53, 53}, {65, 65, 65}, {76, 76, 76}, {40, 40, 40},
{108, 108, 108}, {132, 132, 132}, {153, 153, 153}, {81, 81, 81},
{53, 89, 108}, {65, 109, 132}, {76, 127, 153}, {40, 67, 81},
{89, 44, 125}, {109, 54, 153}, {127, 63, 178}, {67, 33, 94},
{36, 53, 125}, {44, 65, 153}, {51, 76, 178}, {27, 40, 94},
{72, 53, 36}, {88, 65, 44}, {102, 76, 51}, {54, 40, 27},
{72, 89, 36}, {88, 109, 44}, {102, 127, 51}, {54, 67, 27},
{108, 36, 36}, {132, 44, 44}, {153, 51, 51}, {81, 27, 27},
{17, 17, 17}, {21, 21, 21}, {25, 25, 25}, {13, 13, 13},
{176, 168, 54}, {215, 205, 66}, {250, 238, 77}, {132, 126, 40},
{64, 154, 150}, {79, 188, 183}, {92, 219, 213}, {48, 115, 112},
{52, 90, 180}, {63, 110, 220}, {74, 128, 255}, {39, 67, 135},
{0, 153, 40}, {0, 187, 50}, {0, 217, 58}, {0, 114, 30},
{91, 60, 34}, {111, 74, 42}, {129, 86, 49}, {68, 45, 25},
{79, 1, 0}, {96, 1, 0}, {112, 2, 0}, {59, 1, 0},
{147, 124, 113}, {180, 152, 138}, {209, 177, 161}, {110, 93, 85},
{112, 57, 25}, {137, 70, 31}, {159, 82, 36}, {84, 43, 19},
{105, 61, 76}, {128, 75, 93}, {149, 87, 108}, {78, 46, 57},
{79, 76, 97}, {96, 93, 119}, {112, 108, 138}, {59, 57, 73},
{131, 93, 25}, {160, 114, 31}, {186, 133, 36}, {98, 70, 19},
{72, 82, 37}, {88, 100, 45}, {103, 117, 53}, {54, 61, 28},
{112, 54, 55}, {138, 66, 67}, {160, 77, 78}, {84, 40, 41},
{40, 28, 24}, {49, 35, 30}, {57, 41, 35}, {30, 21, 18},
{95, 75, 69}, {116, 92, 84}, {135, 107, 98}, {71, 56, 51},
{61, 64, 64}, {75, 79, 79}, {87, 92, 92}, {46, 48, 48},
{86, 51, 62}, {105, 62, 75}, {122, 73, 88}, {64, 38, 46},
{53, 43, 64}, {65, 53, 79}, {76, 62, 92}, {40, 32, 48},
{53, 35, 24}, {65, 43, 30}, {76, 50, 35}, {40, 26, 18},
{53, 57, 29}, {65, 70, 36}, {76, 82, 42}, {40, 43, 22},
{100, 42, 32}, {122, 51, 39}, {142, 60, 46}, {75, 31, 24},
{26, 15, 11}, {31, 18, 13}, {37, 22, 16}, {19, 11, 8}
};
//Code from Bukkit's MapPalette class
double getDistance(Color c1, Color c2) {
double rmean = (c1.red + c2.red) / 2.0;
double r = c1.red - c2.red;
double g = c1.green - c2.green;
int b = c1.blue - c2.blue;
double weightR = 2 + rmean / 256.0;
double weightG = 4.0;
double weightB = 2 + (255 - rmean) / 256.0;
return weightR * r * r + weightG * g * g + weightB * b * b;
}
//Code from Bukkit's MapPalette class
char matchColor(Color* const p) {
Color color=*p;
if (color.alpha < 128) return 0;
char index = 0;
double best = -1;
for (short i = 4; i < sizeof(colors)/sizeof(Color); i++) {
double distance = getDistance(color, colors[i]);
if (distance < best || best == -1) {
best = distance;
index = i;
}
}
// Minecraft has 143 colors, some of which have negative byte representations
//return (byte) (index < 128 ? index : -129 + (index - 127));
return index;
} }
//Testing only //Testing only