mirror of
https://github.com/GearsProgress/Poke_Transporter_GB.git
synced 2026-07-17 01:00:32 -05:00
336 lines
8.2 KiB
C++
336 lines
8.2 KiB
C++
#include <tonc.h>
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#include "script_builder.h"
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mystery_gift_script::mystery_gift_script()
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{
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curr_index = 0;
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}
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void mystery_gift_script::build_script()
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{
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set_script();
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};
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void mystery_gift_script::set_script()
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{
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// Located at 0x?8A8 in the .sav
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setvirtualaddress(0x08000000);
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lock();
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faceplayer();
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checkflag(FLAG_ALL_COLLECTED);
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virtualgotoif(COND_FLAGTRUE, JUMP_ALL_COLLECTED);
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virtualmsgbox(TEXT_GREET);
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waitmsg();
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waitkeypress();
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setvar(VAR_INDEX, 0x0000);
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setvar(VAR_CALLASM, rev_endian(0x0023));
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setvar(VAR_PKMN_OFFSET, 0x0000);
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copybyte(PTR_SCRIPT_PTR_LOW, PTR_BLOCK_PTR_LOW);
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copybyte(PTR_SCRIPT_PTR_LOW + 1, PTR_BLOCK_PTR_LOW + 1);
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copybyte(PTR_SCRIPT_PTR_HIGH, PTR_BLOCK_PTR_HIGH);
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copybyte(PTR_SCRIPT_PTR_HIGH + 1, PTR_BLOCK_PTR_HIGH + 1);
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addvar(VAR_SCRIPT_PTR_LOW, 0x3731);
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addvar(VAR_SCRIPT_PTR_LOW, 0x164); // Combine to one line to free up space
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setvar(VAR_CALL_RETURN_1, rev_endian(0x0300));
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setvar(VAR_CALL_CHECK_FLAG, rev_endian(0x2B00));
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addvar(VAR_CALL_CHECK_FLAG, 0x2000);
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setvar(VAR_CALL_RETURN_2, rev_endian(0x0003));
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set_jump_destination(JUMP_LOOP);
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call(PTR_CALL_CHECK_FLAG);
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virtualgotoif(COND_FLAGFALSE, JUMP_PKMN_COLLECTED);
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call(PTR_CALLASM);
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compare(VAR_BOX_RETURN, 0x02);
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virtualgotoif(COND_EQUALS, JUMP_BOX_FULL);
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set_jump_destination(JUMP_PKMN_COLLECTED);
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addvar(VAR_PKMN_OFFSET, 0x64);
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addvar(VAR_INDEX, 0x01);
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addvar(VAR_CALL_CHECK_FLAG, 0x0100);
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compare(VAR_INDEX, 0x06);
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virtualgotoif(COND_LESSTHAN, JUMP_LOOP);
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setflag(FLAG_ALL_COLLECTED);
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set_jump_destination(JUMP_ALL_COLLECTED);
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virtualmsgbox(TEXT_THANK);
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waitmsg();
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waitkeypress();
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release();
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end();
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set_jump_destination(JUMP_BOX_FULL);
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virtualmsgbox(TEXT_FULL);
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waitmsg();
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waitkeypress();
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release();
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end();
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insert_textboxes();
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fill_jumppoint_pointers();
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fill_textbox_pointers();
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};
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u8 mystery_gift_script::get_script_value_at(int i)
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{
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return mg_script[i];
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}
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u16 mystery_gift_script::rev_endian(u16 num)
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{
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return ((num & 0xFF) << 8) | (num >> 8);
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}
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void mystery_gift_script::add_command(int len)
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{
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for (int i = 0; i < len; i++)
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{
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mg_script[curr_index] = value_buffer[i];
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curr_index++;
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}
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}
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void mystery_gift_script::fill_jumppoint_pointers()
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{
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for (int i = 0; i < NUM_JUMPS; i++) // Parse through the script and replace any jump points
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// and text boxes to match their locations
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{
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u32 jump_addr = jumppoint_destination[i] + VIR_ADDRESS;
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u32 jump_loc = jumppoint_location[i];
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mg_script[jump_loc] = jump_addr >> 0;
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mg_script[jump_loc + 1] = jump_addr >> 8;
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mg_script[jump_loc + 2] = jump_addr >> 16;
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mg_script[jump_loc + 3] = jump_addr >> 24;
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}
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}
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void mystery_gift_script::fill_textbox_pointers()
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{
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for (int i = 0; i < NUM_TEXTBOXES; i++)
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{
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u32 textbox_addr = textbox_destination[i] + VIR_ADDRESS;
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u32 textbox_loc = textbox_location[i];
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mg_script[textbox_loc] = textbox_addr >> 0;
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mg_script[textbox_loc + 1] = textbox_addr >> 8;
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mg_script[textbox_loc + 2] = textbox_addr >> 16;
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mg_script[textbox_loc + 3] = textbox_addr >> 24;
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}
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}
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void mystery_gift_script::insert_textboxes()
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{
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for (int i = 0; i < NUM_TEXTBOXES; i++)
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{
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textbox_destination[i] = curr_index;
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for (unsigned int parser = 0; parser < textboxes[i].length(); parser++)
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{
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mg_script[curr_index] = convert_char(textboxes[i].at(parser));
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curr_index++;
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}
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mg_script[curr_index] = 0xFF; // End string
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curr_index++;
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}
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}
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u8 mystery_gift_script::convert_char(char convert_char)
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{
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switch (convert_char)
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{
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case '0' ... '9':
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return convert_char + (0xA1 - '0'); // '0' = 0xA1
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case 'A' ... 'Z':
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return convert_char + (0xBB - 'A'); // 'A' = 0xBB
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case 'a' ... 'z':
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return convert_char + (0xD5 - 'a'); // 'a' = 0xD5
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case '!':
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return 0xAB;
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case '?':
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return 0xAC;
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case '.':
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return 0xAD;
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case '#': // Variable escape sequence
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return 0xFD;
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case '*': // Player name
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return 0x01;
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case '^': // Wait for button and scroll text
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return 0xFA;
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case '-': // Wait for button and clear text
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return 0xFB;
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case ' ':
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return 0x00;
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default:
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return 0x00;
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}
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}
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u16 mystery_gift_script::calc_checksum() // Implementation taken from PokeEmerald Decomp
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{
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u16 i, j;
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u16 crc = 0x1121;
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for (i = 0; i < MG_SCRIPT_SIZE; i++)
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{
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crc ^= mg_script[i];
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for (j = 0; j < 8; j++)
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{
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if (crc & 1)
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crc = (crc >> 1) ^ 0x8408;
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else
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crc >>= 1;
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}
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}
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return ~crc;
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}
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// Scripting commands:
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void mystery_gift_script::setvirtualaddress(u32 location)
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{
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value_buffer[0] = 0xB8;
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value_buffer[1] = location >> 0;
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value_buffer[2] = location >> 8;
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value_buffer[3] = location >> 16;
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value_buffer[4] = location >> 24;
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add_command(5);
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}
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void mystery_gift_script::lock()
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{
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value_buffer[0] = 0x6A;
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add_command(1);
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}
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void mystery_gift_script::faceplayer()
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{
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value_buffer[0] = 0x5A;
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add_command(1);
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}
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void mystery_gift_script::checkflag(u8 flag_id)
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{
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value_buffer[0] = 0x2B;
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value_buffer[1] = flag_id >> 0;
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value_buffer[2] = flag_id >> 8;
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add_command(3);
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}
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void mystery_gift_script::virtualgotoif(u8 condition, u8 jumppoint_id)
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{
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jumppoint_location[jumppoint_id] = (curr_index + 2);
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value_buffer[0] = 0xBB;
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value_buffer[1] = condition;
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value_buffer[2] = 0x00;
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value_buffer[3] = 0x00;
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value_buffer[4] = 0x00;
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value_buffer[5] = 0x00;
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add_command(6);
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}
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void mystery_gift_script::set_jump_destination(u8 jumppoint_id)
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{
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jumppoint_destination[jumppoint_id] = curr_index;
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}
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void mystery_gift_script::virtualmsgbox(u8 textbox_id)
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{
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textbox_location[textbox_id] = (curr_index + 1);
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value_buffer[0] = 0xBD;
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value_buffer[1] = 0x00;
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value_buffer[2] = 0x00;
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value_buffer[3] = 0x00;
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value_buffer[4] = 0x00;
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add_command(5);
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}
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void mystery_gift_script::waitmsg()
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{
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value_buffer[0] = 0x66;
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add_command(1);
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}
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void mystery_gift_script::waitkeypress()
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{
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value_buffer[0] = 0x6D;
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add_command(1);
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}
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void mystery_gift_script::setvar(u16 var_id, u16 value)
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{
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value_buffer[0] = 0x16;
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value_buffer[1] = var_id >> 0;
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value_buffer[2] = var_id >> 8;
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value_buffer[3] = value >> 0;
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value_buffer[4] = value >> 8;
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add_command(5);
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}
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void mystery_gift_script::copybyte(u32 destination, u32 source)
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{
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value_buffer[0] = 0x15;
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value_buffer[1] = destination >> 0;
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value_buffer[2] = destination >> 8;
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value_buffer[3] = destination >> 16;
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value_buffer[4] = destination >> 24;
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value_buffer[5] = source >> 0;
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value_buffer[6] = source >> 8;
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value_buffer[7] = source >> 16;
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value_buffer[8] = source >> 24;
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add_command(9);
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}
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void mystery_gift_script::addvar(u16 var_id, u16 value)
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{
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value_buffer[0] = 0x17;
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value_buffer[1] = var_id >> 0;
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value_buffer[2] = var_id >> 8;
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value_buffer[3] = value >> 0;
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value_buffer[4] = value >> 8;
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add_command(5);
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}
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void mystery_gift_script::call(u32 script_ptr)
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{
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value_buffer[0] = 0x04;
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value_buffer[1] = script_ptr >> 0;
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value_buffer[2] = script_ptr >> 8;
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value_buffer[3] = script_ptr >> 16;
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value_buffer[4] = script_ptr >> 24;
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add_command(5);
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}
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void mystery_gift_script::compare(u16 var_id, u16 value)
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{
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value_buffer[0] = 0x21;
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value_buffer[1] = var_id >> 0;
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value_buffer[2] = var_id >> 8;
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value_buffer[3] = value >> 0;
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value_buffer[4] = value >> 8;
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add_command(5);
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}
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void mystery_gift_script::setflag(u16 flag_id)
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{
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value_buffer[0] = 0x29;
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value_buffer[1] = flag_id >> 0;
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value_buffer[2] = flag_id >> 8;
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add_command(3);
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}
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void mystery_gift_script::release()
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{
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value_buffer[0] = 0x6C;
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add_command(1);
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}
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void mystery_gift_script::end()
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{
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value_buffer[0] = 02;
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add_command(1);
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}
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/* Default script:
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void mystery_gift_script::checkflag(int flag_id)
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{
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value_buffer[0] = 0x2B;
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value_buffer[1] = flag_id >> 0;
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value_buffer[2] = flag_id >> 8;
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add_command(3);
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}
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*/ |