/*
* Class: aflobby_CUnitSyncJNIBindings
* Method: WriteMiniMap
* Signature: (II)I
*/
JNIEXPORT jboolean JNICALL Java_aflobby_CUnitSyncJNIBindings_WriteMiniMap
(JNIEnv *env, jclass myobject, jstring mapfile, jstring imagename, jint miplevel){
const char *filename = env->GetStringUTFChars(mapfile, 0);
const char *bitmap_filename = env->GetStringUTFChars(imagename, 0);
void* minimap = GetMinimap(filename, miplevel);
if (!minimap){
env->ReleaseStringUTFChars(mapfile, filename);
env->ReleaseStringUTFChars(mapfile, bitmap_filename);
return false;
}
int size = 1024 >> miplevel;
CBitmap bm;
bm.Alloc(size, size);
unsigned short *src = (unsigned short*)minimap;
unsigned char *dst = bm.mem;
for (int y = 0; y < size; y++) {
for (int x = 0; x < size; x++){
dst[0] = RED_RGB565 ((*src)) << 3;
dst[1] = GREEN_RGB565 ((*src)) << 2;
dst[2] = BLUE_RGB565 ((*src)) << 3;
dst[3] = 255;
++src;
dst += 4;
}
}
remove(bitmap_filename); //somehow overwriting doesn't work??
bm.Save(bitmap_filename);
// check whether the bm.Save succeeded?
FILE* f = fopen(bitmap_filename, "rb");
bool success = !!f;
if (success) {
fclose(f);
}
env->ReleaseStringUTFChars(mapfile, filename);
env->ReleaseStringUTFChars(mapfile, bitmap_filename);
return success;
}
void CBitmap::CreateFromDXT1(unsigned char* buf, int xsize, int ysize)
{
delete[] mem;
mem=new unsigned char[xsize*ysize*4];
memset(mem,0,xsize*ysize*4);
this->xsize=xsize;
this->ysize=ysize;
int numblocks = ((xsize+3)/4)*((ysize+3)/4);
unsigned char* temp = buf;
for ( int i = 0; i < numblocks; i++ ){
unsigned short color0 = (*(unsigned short*)&temp[0]);
unsigned short color1 = (*(unsigned short*)&temp[2]);
int r0=RED_RGB565(color0)<<3;
int g0=GREEN_RGB565(color0)<<2;
int b0=BLUE_RGB565(color0)<<3;
int r1=RED_RGB565(color1)<<3;
int g1=GREEN_RGB565(color1)<<2;
int b1=BLUE_RGB565(color1)<<3;
unsigned int bits = (*(unsigned int*)&temp[4]);
for ( int a = 0; a < 4; a++ )
{
for ( int b = 0; b < 4; b++ )
{
int x = 4*(i % ((xsize+3)/4))+b;
int y = 4*(i / ((xsize+3)/4))+a;
bits >>= 2;
unsigned char code = bits & 0x3;
if ( color0 > color1 )
{
if ( code == 0 )
{
mem[(y*xsize+x)*4+0]=r0;
mem[(y*xsize+x)*4+1]=g0;
mem[(y*xsize+x)*4+2]=b0;
}
else if ( code == 1 )
{
mem[(y*xsize+x)*4+0]=r1;
mem[(y*xsize+x)*4+1]=g1;
mem[(y*xsize+x)*4+2]=b1;
}
else if ( code == 2 )
{
mem[(y*xsize+x)*4+0]=(r0*2+r1)/3;
mem[(y*xsize+x)*4+1]=(g0*2+g1)/3;
mem[(y*xsize+x)*4+2]=(b0*2+b1)/3;
}
else
{
mem[(y*xsize+x)*4+0]=(r0+r1*2)/3;
mem[(y*xsize+x)*4+1]=(g0+g1*2)/3;
mem[(y*xsize+x)*4+2]=(b0+b1*2)/3;
}
}
else
{
if ( code == 0 )
{
mem[(y*xsize+x)*4+0]=r0;
mem[(y*xsize+x)*4+1]=g0;
mem[(y*xsize+x)*4+2]=b0;
}
else if ( code == 1 )
{
mem[(y*xsize+x)*4+0]=r1;
mem[(y*xsize+x)*4+1]=g1;
mem[(y*xsize+x)*4+2]=b1;
}
else if ( code == 2 )
{
mem[(y*xsize+x)*4+0]=(r0+r1)/2;
mem[(y*xsize+x)*4+1]=(g0+g1)/2;
mem[(y*xsize+x)*4+2]=(b0+b1)/2;
}
else
{
mem[(y*xsize+x)*4+0]=0;
mem[(y*xsize+x)*4+1]=0;
mem[(y*xsize+x)*4+2]=0;
}
}
}
}
temp += 8;
}
}