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levels.cpp
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levels.cpp
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#include "levels.h"
const LevelData * level_active;
// constexpr function to convert the level data from byte maps into bitmaps, executed
// during compile
constexpr LevelData level_expand(const char * d, char x0, char y0, char x1, char y1)
{
LevelData ld;
ld.x0 = x0;
ld.y0 = y0;
ld.x1 = x1;
ld.y1 = y1;
for(int y=0; y<42; y++)
{
for(int x=0; x<6; x++)
{
char m = 0;
for(int i=0; i<8; i++)
{
if (d[48 * y + 8 * x + i])
m |= 0x80 >> i;
}
ld.map[42 * x + y] = m;
}
}
return ld;
}
const char LevelMap1[] = {
#embed ctm_map8 "playfield1.ctm"
};
const LevelData level1 = level_expand(LevelMap1, 1, 1, 44, 38);
const char LevelMap2[] = {
#embed ctm_map8 "playfield2.ctm"
};
const LevelData level2 = level_expand(LevelMap2, 1, 1, 44, 38);
const char LevelMap3[] = {
#embed ctm_map8 "playfield3.ctm"
};
const LevelData level3 = level_expand(LevelMap3, 1, 1, 44, 38);
const char LevelMap4[] = {
#embed ctm_map8 "playfield4.ctm"
};
const LevelData level4 = level_expand(LevelMap4, 7, 15, 38, 24);
// The four levels
const LevelData * const level_all[4] = {
&level1, &level2, &level3, &level4
};