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reduce memory footprint of tetromino plock location data

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Quinn
2025-07-03 01:02:11 +02:00
parent af43c9162a
commit edcd5d30d3
1 changed files with 35 additions and 31 deletions
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66
src/game/tetromino/shapes.c
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@@ -1,7 +1,5 @@
#include "shapes.h" #include "shapes.h"
#include <string.h>
#include "../../io/colour/colour8.h" #include "../../io/colour/colour8.h"
#include "../../util/types.h" #include "../../util/types.h"
#include "../../util/vec.h" #include "../../util/vec.h"
@@ -41,54 +39,60 @@
void shape_getblocks(u8 id, i8vec2* restrict out) { void shape_getblocks(u8 id, i8vec2* restrict out) {
struct blockdat { struct blockdat {
i8vec2 memb[4]; u8 ax : 2, ay : 2;
}; u8 bx : 2, by : 2;
struct blockdat dat; u8 cx : 2, cy : 2;
u8 dx : 2, dy : 2;
} dat;
switch (id) { switch (id) {
// O tetromino // O tetromino
case TETROMINO_O | TETROMINO_ROTATED_0: case TETROMINO_O | TETROMINO_ROTATED_0:
case TETROMINO_O | TETROMINO_ROTATED_90: case TETROMINO_O | TETROMINO_ROTATED_90:
case TETROMINO_O | TETROMINO_ROTATED_180: case TETROMINO_O | TETROMINO_ROTATED_180:
case TETROMINO_O | TETROMINO_ROTATED_270: dat = (struct blockdat){{{1, 1}, {2, 1}, {1, 2}, {2, 2}}}; break; case TETROMINO_O | TETROMINO_ROTATED_270: dat = (struct blockdat){1, 1, 2, 1, 1, 2, 2, 2}; break;
// I tetromino // I tetromino
case TETROMINO_I | TETROMINO_ROTATED_0: dat = (struct blockdat){{{0, 1}, {1, 1}, {2, 1}, {3, 1}}}; break; case TETROMINO_I | TETROMINO_ROTATED_0: dat = (struct blockdat){0, 1, 1, 1, 2, 1, 3, 1}; break;
case TETROMINO_I | TETROMINO_ROTATED_90: dat = (struct blockdat){{{2, 0}, {2, 1}, {2, 2}, {2, 3}}}; break; case TETROMINO_I | TETROMINO_ROTATED_90: dat = (struct blockdat){2, 0, 2, 1, 2, 2, 2, 3}; break;
case TETROMINO_I | TETROMINO_ROTATED_180: dat = (struct blockdat){{{0, 2}, {1, 2}, {2, 2}, {3, 2}}}; break; case TETROMINO_I | TETROMINO_ROTATED_180: dat = (struct blockdat){0, 2, 1, 2, 2, 2, 3, 2}; break;
case TETROMINO_I | TETROMINO_ROTATED_270: dat = (struct blockdat){{{1, 0}, {1, 1}, {1, 2}, {1, 3}}}; break; case TETROMINO_I | TETROMINO_ROTATED_270: dat = (struct blockdat){1, 0, 1, 1, 1, 2, 1, 3}; break;
// S tetromino // S tetromino
case TETROMINO_S | TETROMINO_ROTATED_0: dat = (struct blockdat){{{1, 0}, {2, 0}, {0, 1}, {1, 1}}}; break; case TETROMINO_S | TETROMINO_ROTATED_0: dat = (struct blockdat){1, 0, 2, 0, 0, 1, 1, 1}; break;
case TETROMINO_S | TETROMINO_ROTATED_90: dat = (struct blockdat){{{1, 0}, {1, 1}, {2, 1}, {2, 2}}}; break; case TETROMINO_S | TETROMINO_ROTATED_90: dat = (struct blockdat){1, 0, 1, 1, 2, 1, 2, 2}; break;
case TETROMINO_S | TETROMINO_ROTATED_180: dat = (struct blockdat){{{1, 1}, {2, 1}, {0, 2}, {1, 2}}}; break; case TETROMINO_S | TETROMINO_ROTATED_180: dat = (struct blockdat){1, 1, 2, 1, 0, 2, 1, 2}; break;
case TETROMINO_S | TETROMINO_ROTATED_270: dat = (struct blockdat){{{0, 0}, {0, 1}, {1, 1}, {1, 2}}}; break; case TETROMINO_S | TETROMINO_ROTATED_270: dat = (struct blockdat){0, 0, 0, 1, 1, 1, 1, 2}; break;
// Z tetromino // Z tetromino
case TETROMINO_Z | TETROMINO_ROTATED_0: dat = (struct blockdat){{{0, 0}, {1, 0}, {1, 1}, {2, 1}}}; break; case TETROMINO_Z | TETROMINO_ROTATED_0: dat = (struct blockdat){0, 0, 1, 0, 1, 1, 2, 1}; break;
case TETROMINO_Z | TETROMINO_ROTATED_90: dat = (struct blockdat){{{2, 0}, {1, 1}, {2, 1}, {1, 2}}}; break; case TETROMINO_Z | TETROMINO_ROTATED_90: dat = (struct blockdat){2, 0, 1, 1, 2, 1, 1, 2}; break;
case TETROMINO_Z | TETROMINO_ROTATED_180: dat = (struct blockdat){{{0, 1}, {1, 1}, {1, 2}, {2, 2}}}; break; case TETROMINO_Z | TETROMINO_ROTATED_180: dat = (struct blockdat){0, 1, 1, 1, 1, 2, 2, 2}; break;
case TETROMINO_Z | TETROMINO_ROTATED_270: dat = (struct blockdat){{{1, 0}, {0, 1}, {1, 1}, {0, 2}}}; break; case TETROMINO_Z | TETROMINO_ROTATED_270: dat = (struct blockdat){1, 0, 0, 1, 1, 1, 0, 2}; break;
// T tetromino // T tetromino
case TETROMINO_T | TETROMINO_ROTATED_0: dat = (struct blockdat){{{0, 1}, {1, 1}, {2, 1}, {1, 2}}}; break; case TETROMINO_T | TETROMINO_ROTATED_0: dat = (struct blockdat){0, 1, 1, 1, 2, 1, 1, 2}; break;
case TETROMINO_T | TETROMINO_ROTATED_90: dat = (struct blockdat){{{1, 0}, {0, 1}, {1, 1}, {1, 2}}}; break; case TETROMINO_T | TETROMINO_ROTATED_90: dat = (struct blockdat){1, 0, 0, 1, 1, 1, 1, 2}; break;
case TETROMINO_T | TETROMINO_ROTATED_180: dat = (struct blockdat){{{1, 0}, {0, 1}, {1, 1}, {2, 1}}}; break; case TETROMINO_T | TETROMINO_ROTATED_180: dat = (struct blockdat){1, 0, 0, 1, 1, 1, 2, 1}; break;
case TETROMINO_T | TETROMINO_ROTATED_270: dat = (struct blockdat){{{1, 0}, {1, 1}, {2, 1}, {1, 2}}}; break; case TETROMINO_T | TETROMINO_ROTATED_270: dat = (struct blockdat){1, 0, 1, 1, 2, 1, 1, 2}; break;
// L tetromino // L tetromino
case TETROMINO_L | TETROMINO_ROTATED_0: dat = (struct blockdat){{{1, 0}, {1, 1}, {1, 2}, {2, 2}}}; break; case TETROMINO_L | TETROMINO_ROTATED_0: dat = (struct blockdat){1, 0, 1, 1, 1, 2, 2, 2}; break;
case TETROMINO_L | TETROMINO_ROTATED_90: dat = (struct blockdat){{{0, 1}, {1, 1}, {2, 1}, {0, 2}}}; break; case TETROMINO_L | TETROMINO_ROTATED_90: dat = (struct blockdat){0, 1, 1, 1, 2, 1, 0, 2}; break;
case TETROMINO_L | TETROMINO_ROTATED_180: dat = (struct blockdat){{{0, 0}, {1, 0}, {1, 1}, {1, 2}}}; break; case TETROMINO_L | TETROMINO_ROTATED_180: dat = (struct blockdat){0, 0, 1, 0, 1, 1, 1, 2}; break;
case TETROMINO_L | TETROMINO_ROTATED_270: dat = (struct blockdat){{{2, 0}, {0, 1}, {1, 1}, {2, 1}}}; break; case TETROMINO_L | TETROMINO_ROTATED_270: dat = (struct blockdat){2, 0, 0, 1, 1, 1, 2, 1}; break;
// J tetromino // J tetromino
case TETROMINO_J | TETROMINO_ROTATED_0: dat = (struct blockdat){{{1, 0}, {1, 1}, {0, 2}, {1, 2}}}; break; case TETROMINO_J | TETROMINO_ROTATED_0: dat = (struct blockdat){1, 0, 1, 1, 0, 2, 1, 2}; break;
case TETROMINO_J | TETROMINO_ROTATED_90: dat = (struct blockdat){{{0, 0}, {0, 1}, {1, 1}, {2, 1}}}; break; case TETROMINO_J | TETROMINO_ROTATED_90: dat = (struct blockdat){0, 0, 0, 1, 1, 1, 2, 1}; break;
case TETROMINO_J | TETROMINO_ROTATED_180: dat = (struct blockdat){{{1, 0}, {2, 0}, {1, 1}, {1, 2}}}; break; case TETROMINO_J | TETROMINO_ROTATED_180: dat = (struct blockdat){1, 0, 2, 0, 1, 1, 1, 2}; break;
case TETROMINO_J | TETROMINO_ROTATED_270: dat = (struct blockdat){{{0, 1}, {1, 1}, {2, 1}, {2, 2}}}; break; case TETROMINO_J | TETROMINO_ROTATED_270: dat = (struct blockdat){0, 1, 1, 1, 2, 1, 2, 2}; break;
} }
memcpy(out, dat.memb, sizeof(i8vec2[4])); out[0] = (i8vec2){dat.ax, dat.ay};
out[1] = (i8vec2){dat.bx, dat.by};
out[2] = (i8vec2){dat.cx, dat.cy};
out[3] = (i8vec2){dat.dx, dat.dy};
} }
u16 shape_from_id(u8 id) { u16 shape_from_id(u8 id) {