mirror of https://github.com/pret/pokecrystal.git
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
#include "proto.h"
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void optimize (struct command * commands, unsigned short count) {
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while (count && (commands -> command == 7)) commands ++, count --;
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if (count < 2) return;
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struct command * end = commands + count;
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struct command * next;
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for (next = commands + 1; next < end; next ++) {
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if (next -> command == 7) continue;
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if (
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!(commands -> command) &&
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(command_size(*next) == next -> count) &&
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((commands -> count + next -> count) <= MAX_COMMAND_COUNT) &&
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((commands -> count > SHORT_COMMAND_COUNT) || ((commands -> count + next -> count) <= SHORT_COMMAND_COUNT))
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) {
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commands -> count += next -> count;
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next -> command = 7;
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continue;
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}
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if (next -> command == commands -> command) {
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switch (commands -> command) {
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case 0:
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if ((commands -> value + commands -> count) != next -> value) break;
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commands -> count += next -> count;
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next -> command = 7;
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if (commands -> count <= MAX_COMMAND_COUNT) continue;
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next -> command = 0;
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next -> value = commands -> value + MAX_COMMAND_COUNT;
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next -> count = commands -> count - MAX_COMMAND_COUNT;
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commands -> count = MAX_COMMAND_COUNT;
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break;
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case 1:
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if (commands -> value != next -> value) break;
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// fallthrough
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case 3:
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if ((commands -> count + next -> count) <= MAX_COMMAND_COUNT) {
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commands -> count += next -> count;
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next -> command = 7;
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continue;
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}
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next -> count = (commands -> count + next -> count) - MAX_COMMAND_COUNT;
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commands -> count = MAX_COMMAND_COUNT;
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break;
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}
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}
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commands = next;
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}
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}
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void repack (struct command ** commands, unsigned short * length) {
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struct command * new_commands = malloc(sizeof(struct command) * *length);
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struct command * current = new_commands;
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unsigned short p;
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for (p = 0; p < *length; p ++) if (p[*commands].command != 7) *(current ++) = p[*commands];
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free(*commands);
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*commands = new_commands;
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*length = current - new_commands;
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}
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