/
seg006.c
2083 lines (1973 loc) · 55.6 KB
/
seg006.c
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/*
SDLPoP, a port/conversion of the DOS game Prince of Persia.
Copyright (C) 2013-2021 Dávid Nagy
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
The authors of this program may be contacted at https://forum.princed.org
*/
#include "common.h"
#define SEQTBL_BASE 0x196E
#define SEQTBL_0 (seqtbl - SEQTBL_BASE)
extern const byte seqtbl[]; // the sequence table is defined in seqtbl.c
// seg006:0006
int __pascal far get_tile(int room,int col,int row) {
curr_room = room;
tile_col = col;
tile_row = row;
curr_room = find_room_of_tile();
// bugfix: check_chomped_kid may call with room = -1
if (curr_room > 0) {
get_room_address(curr_room);
curr_tilepos = tbl_line[tile_row] + tile_col;
curr_tile2 = curr_room_tiles[curr_tilepos] & 0x1F;
} else {
// wall in room 0
curr_tile2 = custom->level_edge_hit_tile; // tiles_20_wall
}
return curr_tile2;
}
// seg006:005D
int __pascal far find_room_of_tile() {
again:
#ifdef FIX_CORNER_GRAB
// Check tile_row < 0 first, this way the prince can grab a ledge at the bottom right corner of a room with no room below.
// Details: https://forum.princed.org/viewtopic.php?p=30410#p30410
if (tile_row < 0) {
tile_row += 3;
if (curr_room) {
curr_room = level.roomlinks[curr_room - 1].up;
}
//find_room_of_tile();
goto again;
}
#endif
if (tile_col < 0) {
tile_col += 10;
if (curr_room) {
curr_room = level.roomlinks[curr_room - 1].left;
}
//find_room_of_tile();
goto again;
}
if (tile_col >= 10) {
tile_col -= 10;
if (curr_room) {
curr_room = level.roomlinks[curr_room - 1].right;
}
//find_room_of_tile();
goto again;
}
#ifndef FIX_CORNER_GRAB
// if (tile_row < 0) was here originally
if (tile_row < 0) {
tile_row += 3;
if (curr_room) {
curr_room = level.roomlinks[curr_room - 1].up;
}
//find_room_of_tile();
goto again;
}
#endif
if (tile_row >= 3) {
tile_row -= 3;
if (curr_room) {
curr_room = level.roomlinks[curr_room - 1].down;
}
//find_room_of_tile();
goto again;
}
return curr_room;
}
// seg006:00EC
int __pascal far get_tilepos(int tile_col,int tile_row) {
if (tile_row < 0) {
return -(tile_col + 1);
} else if (tile_row >= 3 || tile_col >= 10 || tile_col < 0) {
return 30;
} else {
return tbl_line[tile_row] + tile_col;
}
}
// seg006:0124
int __pascal far get_tilepos_nominus(int tile_col,int tile_row) {
short var_2;
var_2 = get_tilepos(tile_col, tile_row);
if (var_2 < 0) return 30; else return var_2;
}
// seg006:0144
void __pascal far load_fram_det_col() {
load_frame();
determine_col();
}
// seg006:014D
void __pascal far determine_col() {
Char.curr_col = get_tile_div_mod_m7(dx_weight());
}
// data:0FE0
const frame_type frame_table_kid[] = {
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 0, 0x00| 0, 1, 0, 0xC0| 4},
{ 1, 0x00| 0, 1, 0, 0x40| 4},
{ 2, 0x00| 0, 3, 0, 0x40| 7},
{ 3, 0x00| 0, 4, 0, 0x40| 8},
{ 4, 0x00| 0, 0, 0, 0xE0| 6},
{ 5, 0x00| 0, 0, 0, 0x40| 9},
{ 6, 0x00| 0, 0, 0, 0x40|10},
{ 7, 0x00| 0, 0, 0, 0xC0| 5},
{ 8, 0x00| 0, 0, 0, 0x40| 4},
{ 9, 0x00| 0, 0, 0, 0x40| 7},
{ 10, 0x00| 0, 0, 0, 0x40|11},
{ 11, 0x00| 0, 0, 0, 0x40| 3},
{ 12, 0x00| 0, 0, 0, 0xC0| 3},
{ 13, 0x00| 0, 0, 0, 0x40| 7},
{ 14, 0x00| 9, 0, 0, 0x40| 3},
{ 15, 0x00| 0, 0, 0, 0xC0| 3},
{ 16, 0x00| 0, 0, 0, 0x40| 4},
{ 17, 0x00| 0, 0, 0, 0x40| 6},
{ 18, 0x00| 0, 0, 0, 0x40| 8},
{ 19, 0x00| 0, 0, 0, 0x80| 9},
{ 20, 0x00| 0, 0, 0, 0x00|11},
{ 21, 0x00| 0, 0, 0, 0x80|11},
{ 22, 0x00| 0, 0, 0, 0x00|17},
{ 23, 0x00| 0, 0, 0, 0x00| 7},
{ 24, 0x00| 0, 0, 0, 0x00| 5},
{ 25, 0x00| 0, 0, 0, 0xC0| 1},
{ 26, 0x00| 0, 0, 0, 0xC0| 6},
{ 27, 0x00| 0, 0, 0, 0x40| 3},
{ 28, 0x00| 0, 0, 0, 0x40| 8},
{ 29, 0x00| 0, 0, 0, 0x40| 2},
{ 30, 0x00| 0, 0, 0, 0x40| 2},
{ 31, 0x00| 0, 0, 0, 0xC0| 2},
{ 32, 0x00| 0, 0, 0, 0xC0| 2},
{ 33, 0x00| 0, 0, 0, 0x40| 3},
{ 34, 0x00| 0, 0, 0, 0x40| 8},
{ 35, 0x00| 0, 0, 0, 0xC0|14},
{ 36, 0x00| 0, 0, 0, 0xC0| 1},
{ 37, 0x00| 0, 0, 0, 0x40| 5},
{ 38, 0x00| 0, 0, 0, 0x80|14},
{ 39, 0x00| 0, 0, 0, 0x00|11},
{ 40, 0x00| 0, 0, 0, 0x80|11},
{ 41, 0x00| 0, 0, 0, 0x80|10},
{ 42, 0x00| 0, 0, 0, 0x00| 1},
{ 43, 0x00| 0, 0, 0, 0xC0| 4},
{ 44, 0x00| 0, 0, 0, 0xC0| 3},
{ 45, 0x00| 0, 0, 0, 0xC0| 3},
{ 46, 0x00| 0, 0, 0, 0xA0| 5},
{ 47, 0x00| 0, 0, 0, 0xA0| 4},
{ 48, 0x00| 0, 0, 0, 0x60| 6},
{ 49, 0x00| 0, 4, 0, 0x60| 7},
{ 50, 0x00| 0, 3, 0, 0x60| 6},
{ 51, 0x00| 0, 1, 0, 0x40| 4},
{ 64, 0x00| 0, 0, 0, 0xC0| 2},
{ 65, 0x00| 0, 0, 0, 0x40| 1},
{ 66, 0x00| 0, 0, 0, 0x40| 2},
{ 67, 0x00| 0, 0, 0, 0x00| 0},
{ 68, 0x00| 0, 0, 0, 0x00| 0},
{ 69, 0x00| 0, 0, 0, 0x80| 0},
{ 70, 0x00| 0, 0, 0, 0x00| 0},
{ 71, 0x00| 0, 0, 0, 0x80| 0},
{ 72, 0x00| 0, 0, 0, 0x00| 0},
{ 73, 0x00| 0, 0, 0, 0x80| 0},
{ 74, 0x00| 0, 0, 0, 0x00| 0},
{ 75, 0x00| 0, 0, 0, 0x00| 0},
{ 76, 0x00| 0, 0, 0, 0x80| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 80, 0x00| 0, -2, 0, 0x40| 1},
{ 81, 0x00| 0, -2, 0, 0x40| 1},
{ 82, 0x00| 0, -1, 0, 0xC0| 2},
{ 83, 0x00| 0, -2, 0, 0x40| 2},
{ 84, 0x00| 0, -2, 0, 0x40| 1},
{ 85, 0x00| 0, -2, 0, 0x40| 1},
{ 86, 0x00| 0, -2, 0, 0x40| 1},
{ 87, 0x00| 0, -1, 0, 0x00| 7},
{ 88, 0x00| 0, -1, 0, 0x00| 5},
{ 89, 0x00| 0, 2, 0, 0x00| 7},
{ 90, 0x00| 0, 2, 0, 0x00| 7},
{ 91, 0x00| 0, 2, -3, 0x00| 0},
{ 92, 0x00| 0, 2, -10, 0x00| 0},
{ 93, 0x00| 0, 2, -11, 0x80| 0},
{ 94, 0x00| 0, 3, -2, 0x40| 3},
{ 95, 0x00| 0, 3, 0, 0xC0| 3},
{ 96, 0x00| 0, 3, 0, 0xC0| 3},
{ 97, 0x00| 0, 3, 0, 0x60| 3},
{ 98, 0x00| 0, 4, 0, 0xE0| 3},
{ 28, 0x00| 0, 0, 0, 0x00| 0},
{ 99, 0x00| 0, 7, -14, 0x80| 0},
{ 100, 0x00| 0, 7, -12, 0x80| 0},
{ 101, 0x00| 0, 4, -12, 0x00| 0},
{ 102, 0x00| 0, 3, -10, 0x80| 0},
{ 103, 0x00| 0, 2, -10, 0x80| 0},
{ 104, 0x00| 0, 1, -10, 0x80| 0},
{ 105, 0x00| 0, 0, -11, 0x00| 0},
{ 106, 0x00| 0, -1, -12, 0x00| 0},
{ 107, 0x00| 0, -1, -14, 0x00| 0},
{ 108, 0x00| 0, -1, -14, 0x00| 0},
{ 109, 0x00| 0, -1, -15, 0x80| 0},
{ 110, 0x00| 0, -1, -15, 0x80| 0},
{ 111, 0x00| 0, 0, -15, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 112, 0x00| 0, 0, 0, 0xC0| 6},
{ 113, 0x00| 0, 0, 0, 0x40| 6},
{ 114, 0x00| 0, 0, 0, 0xC0| 5},
{ 115, 0x00| 0, 0, 0, 0x40| 5},
{ 116, 0x00| 0, 0, 0, 0xC0| 2},
{ 117, 0x00| 0, 0, 0, 0xC0| 4},
{ 118, 0x00| 0, 0, 0, 0xC0| 5},
{ 119, 0x00| 0, 0, 0, 0x40| 6},
{ 120, 0x00| 0, 0, 0, 0x40| 7},
{ 121, 0x00| 0, 0, 0, 0x40| 7},
{ 122, 0x00| 0, 0, 0, 0x40| 9},
{ 123, 0x00| 0, 0, 0, 0xC0| 8},
{ 124, 0x00| 0, 0, 0, 0xC0| 9},
{ 125, 0x00| 0, 0, 0, 0x40| 9},
{ 126, 0x00| 0, 0, 0, 0x40| 5},
{ 127, 0x00| 0, 2, 0, 0x40| 5},
{ 128, 0x00| 0, 2, 0, 0xC0| 5},
{ 129, 0x00| 0, 0, 0, 0xC0| 3},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 133, 0x00| 0, 0, 0, 0x40| 3},
{ 134, 0x00| 0, 0, 0, 0xC0| 4},
{ 135, 0x00| 0, 0, 0, 0xC0| 5},
{ 136, 0x00| 0, 0, 0, 0x40| 8},
{ 137, 0x00| 0, 0, 0, 0x60|12},
{ 138, 0x00| 0, 0, 0, 0xE0|15},
{ 139, 0x00| 0, 0, 0, 0x60| 3},
{ 140, 0x00| 0, 0, 0, 0xC0| 3},
{ 141, 0x00| 0, 0, 0, 0x40| 3},
{ 142, 0x00| 0, 0, 0, 0x40| 3},
{ 143, 0x00| 0, 0, 0, 0x40| 4},
{ 144, 0x00| 0, 0, 0, 0x40| 4},
{ 172, 0x00| 0, 0, 1, 0xC0| 1},
{ 173, 0x00| 0, 0, 1, 0xC0| 7},
{ 145, 0x00| 0, 0, -12, 0x00| 1},
{ 146, 0x00| 0, 0, -21, 0x00| 0},
{ 147, 0x00| 0, 1, -26, 0x80| 0},
{ 148, 0x00| 0, 4, -32, 0x80| 0},
{ 149, 0x00| 0, 6, -36, 0x80| 1},
{ 150, 0x00| 0, 7, -41, 0x80| 2},
{ 151, 0x00| 0, 2, 17, 0x40| 2},
{ 152, 0x00| 0, 4, 9, 0xC0| 4},
{ 153, 0x00| 0, 4, 5, 0xC0| 9},
{ 154, 0x00| 0, 4, 4, 0xC0| 8},
{ 155, 0x00| 0, 5, 0, 0x60| 9},
{ 156, 0x00| 0, 5, 0, 0xE0| 9},
{ 157, 0x00| 0, 5, 0, 0xE0| 8},
{ 158, 0x00| 0, 5, 0, 0x60| 9},
{ 159, 0x00| 0, 5, 0, 0x60| 9},
{ 184, 0x00|16, 0, 2, 0x80| 0},
{ 174, 0x00|26, 0, 2, 0x80| 0},
{ 175, 0x00|18, 3, 2, 0x00| 0},
{ 176, 0x00|22, 7, 2, 0xC0| 4},
{ 177, 0x00|21, 10, 2, 0x00| 0},
{ 178, 0x00|23, 7, 2, 0x80| 0},
{ 179, 0x00|25, 4, 2, 0x80| 0},
{ 180, 0x00|24, 0, 2, 0xC0|14},
{ 181, 0x00|15, 0, 2, 0xC0|13},
{ 182, 0x00|20, 3, 2, 0x00| 0},
{ 183, 0x00|31, 3, 2, 0x00| 0},
{ 184, 0x00|16, 0, 2, 0x80| 0},
{ 185, 0x00|17, 0, 2, 0x80| 0},
{ 186, 0x00|32, 0, 2, 0x00| 0},
{ 187, 0x00|33, 0, 2, 0x80| 0},
{ 188, 0x00|34, 2, 2, 0xC0| 3},
{ 14, 0x00| 0, 0, 0, 0x40| 3},
{ 189, 0x00|19, 7, 2, 0x80| 0},
{ 190, 0x00|14, 1, 2, 0x80| 0},
{ 191, 0x00|27, 0, 2, 0x80| 0},
{ 181, 0x00|15, 0, 2, 0xC0|13},
{ 181, 0x00|15, 0, 2, 0xC0|13},
{ 112, 0x00|43, 0, 0, 0xC0| 6},
{ 113, 0x00|44, 0, 0, 0x40| 6},
{ 114, 0x00|45, 0, 0, 0xC0| 5},
{ 115, 0x00|46, 0, 0, 0x40| 5},
{ 114, 0x00| 0, 0, 0, 0xC0| 5},
{ 78, 0x00| 0, 0, 3, 0x80|10},
{ 77, 0x00| 0, 4, 3, 0x80| 7},
{ 211, 0x00| 0, 0, 1, 0x40| 4},
{ 212, 0x00| 0, 0, 1, 0x40| 4},
{ 213, 0x00| 0, 0, 1, 0x40| 4},
{ 214, 0x00| 0, 0, 1, 0x40| 7},
{ 215, 0x00| 0, 0, 7, 0x40|11},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 79, 0x00| 0, 4, 7, 0x40| 9},
{ 130, 0x00| 0, 0, 0, 0x40| 4},
{ 131, 0x00| 0, 0, 0, 0x40| 4},
{ 132, 0x00| 0, 0, 2, 0x40| 4},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 192, 0x00| 0, 0, 0, 0x00| 0},
{ 193, 0x00| 0, 0, 1, 0x00| 0},
{ 194, 0x00| 0, 0, 0, 0x80| 0},
{ 195, 0x00| 0, 0, 0, 0x00| 0},
{ 196, 0x00| 0, -1, 0, 0x00| 0},
{ 197, 0x00| 0, -1, 0, 0x00| 0},
{ 198, 0x00| 0, -1, 0, 0x00| 0},
{ 199, 0x00| 0, -4, 0, 0x00| 0},
{ 200, 0x00| 0, -4, 0, 0x80| 0},
{ 201, 0x00| 0, -4, 0, 0x00| 0},
{ 202, 0x00| 0, -4, 0, 0x00| 0},
{ 203, 0x00| 0, -4, 0, 0x00| 0},
{ 204, 0x00| 0, -4, 0, 0x00| 0},
{ 205, 0x00| 0, -5, 0, 0x00| 0},
{ 206, 0x00| 0, -5, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 207, 0x00| 0, 0, 1, 0x40| 6},
{ 208, 0x00| 0, 0, 1, 0xC0| 6},
{ 209, 0x00| 0, 0, 1, 0xC0| 8},
{ 210, 0x00| 0, 0, 1, 0x40|10},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 52, 0x00| 0, 0, 0, 0x80| 0},
{ 53, 0x00| 0, 0, 0, 0x00| 0},
{ 54, 0x00| 0, 0, 0, 0x00| 0},
{ 55, 0x00| 0, 0, 0, 0x00| 0},
{ 56, 0x00| 0, 0, 0, 0x80| 0},
{ 57, 0x00| 0, 0, 0, 0x00| 0},
{ 58, 0x00| 0, 0, 0, 0x00| 0},
{ 59, 0x00| 0, 0, 0, 0x00| 0},
{ 60, 0x00| 0, 0, 0, 0x80| 0},
{ 61, 0x00| 0, 0, 0, 0x00| 0},
{ 62, 0x00| 0, 0, 0, 0x80| 0},
{ 63, 0x00| 0, 0, 0, 0x00| 0},
{ 160, 0x00|35, 1, 1, 0xC0| 3},
{ 161, 0x00|36, 0, 1, 0x40| 9},
{ 162, 0x00|37, 0, 1, 0xC0| 3},
{ 163, 0x00|38, 0, 1, 0x40| 9},
{ 164, 0x00|39, 0, 1, 0xC0| 3},
{ 165, 0x00|40, 1, 1, 0x40| 9},
{ 166, 0x00|41, 1, 1, 0x40| 3},
{ 167, 0x00|42, 1, 1, 0xC0| 9},
{ 168, 0x00| 0, 4, 1, 0xC0| 6},
{ 169, 0x00| 0, 3, 1, 0xC0|10},
{ 170, 0x00| 0, 1, 1, 0x40| 3},
{ 171, 0x00| 0, 1, 1, 0xC0| 8},
};
// data:1496
const frame_type frame_tbl_guard[] = {
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 12, 0xC0|13, 2, 1, 0x00| 0},
{ 2, 0xC0| 1, 3, 1, 0x00| 0},
{ 3, 0xC0| 2, 4, 1, 0x00| 0},
{ 4, 0xC0| 3, 7, 1, 0x40| 4},
{ 5, 0xC0| 4, 10, 1, 0x00| 0},
{ 6, 0xC0| 5, 7, 1, 0x80| 0},
{ 7, 0xC0| 6, 4, 1, 0x80| 0},
{ 8, 0xC0| 7, 0, 1, 0x80| 0},
{ 9, 0xC0| 8, 0, 1, 0xC0|13},
{ 10, 0xC0|11, 7, 1, 0x80| 0},
{ 11, 0xC0|12, 3, 1, 0x00| 0},
{ 12, 0xC0|13, 2, 1, 0x00| 0},
{ 13, 0xC0| 0, 2, 1, 0x00| 0},
{ 14, 0xC0|28, 0, 1, 0x00| 0},
{ 15, 0xC0|29, 0, 1, 0x80| 0},
{ 16, 0xC0|30, 2, 1, 0xC0| 3},
{ 17, 0xC0| 9, -1, 1, 0x40| 8},
{ 18, 0xC0|10, 7, 1, 0x80| 0},
{ 19, 0xC0|14, 3, 1, 0x80| 0},
{ 9, 0xC0| 8, 0, 1, 0x80| 0},
{ 20, 0xC0| 8, 0, 1, 0xC0|13},
{ 21, 0xC0| 8, 0, 1, 0xC0|13},
{ 22, 0xC0|47, 0, 0, 0xC0| 6},
{ 23, 0xC0|48, 0, 0, 0x40| 6},
{ 24, 0xC0|49, 0, 0, 0xC0| 5},
{ 24, 0xC0|49, 0, 0, 0xC0| 5},
{ 24, 0xC0|49, 0, 0, 0xC0| 5},
{ 26, 0xC0| 0, 0, 3, 0x80|10},
{ 27, 0xC0| 0, 4, 4, 0x80| 7},
{ 28, 0xC0| 0, -2, 1, 0x40| 4},
{ 29, 0xC0| 0, -2, 1, 0x40| 4},
{ 30, 0xC0| 0, -2, 1, 0x40| 4},
{ 31, 0xC0| 0, -2, 2, 0x40| 7},
{ 32, 0xC0| 0, -2, 2, 0x40|10},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 33, 0xC0| 0, 3, 4, 0xC0| 9},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
};
// data:1564
const frame_type frame_tbl_cuts[] = {
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 15, 0x40| 0, 0, 0, 0x00| 0},
{ 1, 0x40| 0, 0, 0, 0x80| 0},
{ 2, 0x40| 0, 0, 0, 0x80| 0},
{ 3, 0x40| 0, 0, 0, 0x80| 0},
{ 4, 0x40| 0, -1, 0, 0x00| 0},
{ 5, 0x40| 0, 2, 0, 0x80| 0},
{ 6, 0x40| 0, 2, 0, 0x00| 0},
{ 7, 0x40| 0, 0, 0, 0x80| 0},
{ 8, 0x40| 0, 1, 0, 0x80| 0},
{ 255, 0x00| 0, 0, 0, 0x00| 0},
{ 0, 0x40| 0, 0, 0, 0x80| 0},
{ 9, 0x40| 0, 0, 0, 0x80| 0},
{ 10, 0x40| 0, 0, 0, 0x00| 0},
{ 11, 0x40| 0, 0, 0, 0x80| 0},
{ 12, 0x40| 0, 0, 0, 0x80| 0},
{ 13, 0x40| 0, 0, 0, 0x80| 0},
{ 14, 0x40| 0, 0, 0, 0x00| 0},
{ 16, 0x40| 0, 0, 0, 0x00| 0},
{ 0, 0x80| 0, 0, 0, 0x00| 0},
{ 2, 0x80| 0, 0, 0, 0x00| 0},
{ 3, 0x80| 0, 0, 0, 0x00| 0},
{ 4, 0x80| 0, 0, 0, 0x80| 0},
{ 5, 0x80| 0, 0, 0, 0x00| 0},
{ 6, 0x80| 0, 0, 0, 0x80| 0},
{ 7, 0x80| 0, 0, 0, 0x80| 0},
{ 8, 0x80| 0, 0, 0, 0x00| 0},
{ 9, 0x80| 0, 0, 0, 0x00| 0},
{ 10, 0x80| 0, 0, 0, 0x00| 0},
{ 11, 0x80| 0, 0, 0, 0x00| 0},
{ 12, 0x80| 0, 0, 0, 0x00| 0},
{ 13, 0x80| 0, 0, 0, 0x00| 0},
{ 14, 0x80| 0, 0, 0, 0x00| 0},
{ 15, 0x80| 0, 0, 0, 0x00| 0},
{ 16, 0x80| 0, 0, 0, 0x00| 0},
{ 17, 0x80| 0, 0, 0, 0x00| 0},
{ 18, 0x80| 0, 0, 0, 0x00| 0},
{ 19, 0x80| 0, 0, 0, 0x00| 0},
{ 20, 0x80| 0, 0, 0, 0x80| 0},
{ 21, 0x80| 0, 0, 0, 0x80| 0},
{ 22, 0x80| 0, 1, 0, 0x00| 0},
{ 23, 0x80| 0, -1, 0, 0x00| 0},
{ 24, 0x80| 0, 2, 0, 0x00| 0},
{ 25, 0x80| 0, 1, 0, 0x80| 0},
{ 26, 0x80| 0, 0, 0, 0x80| 0},
{ 27, 0x80| 0, 0, 0, 0x80| 0},
{ 28, 0x80| 0, 0, 0, 0x80| 0},
{ 29, 0x80| 0, -1, 0, 0x00| 0},
{ 0, 0x80| 0, 0, 0, 0x80| 0},
{ 1, 0x80| 0, 0, 0, 0x80| 0},
{ 2, 0x80| 0, 0, 0, 0x80| 0},
{ 3, 0x80| 0, 0, 0, 0x00| 0},
{ 4, 0x80| 0, 0, 0, 0x00| 0},
{ 5, 0x80| 0, 0, 0, 0x80| 0},
{ 6, 0x80| 0, 0, 0, 0x80| 0},
{ 7, 0x80| 0, 0, 0, 0x80| 0},
{ 8, 0x80| 0, 0, 0, 0x80| 0},
{ 9, 0x80| 0, 0, 0, 0x80| 0},
{ 10, 0x80| 0, 0, 0, 0x80| 0},
{ 11, 0x80| 0, 0, 0, 0x80| 0},
{ 12, 0x80| 0, 0, 0, 0x80| 0},
{ 13, 0x80| 0, 0, 0, 0x00| 0},
{ 14, 0x80| 0, 0, 0, 0x80| 0},
{ 15, 0x80| 0, 0, 0, 0x00| 0},
{ 16, 0x80| 0, 0, 0, 0x00| 0},
{ 17, 0x80| 0, 0, 0, 0x80| 0},
{ 18, 0x80| 0, 0, 0, 0x00| 0},
{ 19, 0x80| 0, 3, 0, 0x00| 0},
{ 20, 0x80| 0, 3, 0, 0x00| 0},
{ 21, 0x80| 0, 3, 0, 0x00| 0},
{ 22, 0x80| 0, 2, 0, 0x00| 0},
{ 23, 0x80| 0, 3, 0, 0x80| 0},
{ 24, 0x80| 0, 5, 0, 0x00| 0},
{ 25, 0x80| 0, 5, 0, 0x00| 0},
{ 26, 0x80| 0, 1, 0, 0x80| 0},
{ 27, 0x80| 0, 2, 0, 0x80| 0},
{ 28, 0x80| 0, 2, 0, 0x80| 0},
{ 29, 0x80| 0, 1, 0, 0x80| 0},
{ 30, 0x80| 0, 1, 0, 0x00| 0},
{ 31, 0x80| 0, 2, 0, 0x00| 0},
{ 32, 0x80| 0, 3, 0, 0x00| 0},
{ 33, 0x80| 0, 3, 0, 0x00| 0},
{ 34, 0x80| 0, 0, 0, 0x80| 0},
{ 35, 0x80| 0, 2, 0, 0x80| 0},
{ 36, 0x80| 0, 2, 0, 0x80| 0},
{ 37, 0x80| 0, 1, 0, 0x00| 0},
};
void get_frame_internal(const frame_type frame_table[], int frame, const char* frame_table_name, int count) {
if (frame >= 0 && frame < count) {
cur_frame = frame_table[frame];
} else {
printf("Tried to use %s[%d], not in 0..%d\n", frame_table_name, frame, count-1);
static const frame_type blank_frame = {255, 0, 0, 0, 0};
cur_frame = blank_frame;
}
}
#define get_frame(frame_table, frame) get_frame_internal(frame_table, frame, #frame_table, COUNT(frame_table))
// seg006:015A
void __pascal far load_frame() {
short frame;
short add_frame;
frame = Char.frame;
add_frame = 0;
switch (Char.charid) {
case charid_0_kid:
case charid_24_mouse:
use_table_kid:
get_frame(frame_table_kid, frame);
break;
case charid_2_guard:
case charid_4_skeleton:
if (frame >= 102 && frame < 107) add_frame = 70;
goto use_table_guard;
case charid_1_shadow:
if (frame < 150 || frame >= 190) goto use_table_kid;
use_table_guard:
get_frame(frame_tbl_guard, frame + add_frame - 149);
break;
case charid_5_princess:
case charid_6_vizier:
// use_table_cutscene:
get_frame(frame_tbl_cuts, frame);
break;
}
}
#undef get_frame
// seg006:01F5
short __pascal far dx_weight() {
sbyte var_2;
var_2 = cur_frame.dx - (cur_frame.flags & FRAME_WEIGHT_X);
return char_dx_forward(var_2);
}
// seg006:0213
int __pascal far char_dx_forward(int delta_x) {
if (Char.direction < dir_0_right) {
delta_x = -delta_x;
}
return delta_x + Char.x;
}
// seg006:0234
int __pascal far obj_dx_forward(int delta_x) {
if (obj_direction < dir_0_right) {
delta_x = -delta_x;
}
obj_x += delta_x;
return obj_x;
}
// seg006:0254
void __pascal far play_seq() {
for (;;) {
byte item = *(SEQTBL_0 + Char.curr_seq++);
switch (item) {
case SEQ_DX: // dx
Char.x = char_dx_forward(*(SEQTBL_0 + Char.curr_seq++));
break;
case SEQ_DY: // dy
Char.y += *(SEQTBL_0 + Char.curr_seq++);
break;
case SEQ_FLIP: // flip
Char.direction = ~Char.direction;
break;
case SEQ_JMP_IF_FEATHER: // jump if feather
if (!is_feather_fall) {
++Char.curr_seq;
++Char.curr_seq;
break;
}
// fallthrough!
case SEQ_JMP: // jump
Char.curr_seq = *(const word*)(SEQTBL_0 + Char.curr_seq);
break;
case SEQ_UP: // up
--Char.curr_row;
start_chompers();
break;
case SEQ_DOWN: // down
inc_curr_row();
start_chompers();
break;
case SEQ_ACTION: // action
Char.action = *(SEQTBL_0 + Char.curr_seq++);
break;
case SEQ_SET_FALL: // set fall
Char.fall_x = *(SEQTBL_0 + Char.curr_seq++);
Char.fall_y = *(SEQTBL_0 + Char.curr_seq++);
break;
case SEQ_KNOCK_UP: // knock up
knock = 1;
break;
case SEQ_KNOCK_DOWN: // knock down
knock = -1;
break;
case SEQ_SOUND: // sound
switch (*(SEQTBL_0 + Char.curr_seq++)) {
case SND_SILENT: // no sound actually played, but guards still notice the kid
is_guard_notice = 1;
break;
case SND_FOOTSTEP: // feet
play_sound(sound_23_footstep); // footstep
is_guard_notice = 1;
break;
case SND_BUMP: // bump
play_sound(sound_8_bumped); // touching a wall
is_guard_notice = 1;
break;
case SND_DRINK: // drink
play_sound(sound_18_drink); // drink
break;
case SND_LEVEL: // level
#ifdef USE_REPLAY
if (recording || replaying) break; // don't do end level music in replays
#endif
if (is_sound_on) {
if (current_level == 4) {
play_sound(sound_32_shadow_music); // end level with shadow (level 4)
} else if (current_level != 13 && current_level != 15) {
play_sound(sound_41_end_level_music); // end level
}
}
break;
}
break;
case SEQ_END_LEVEL: // end level
++next_level;
#ifdef USE_REPLAY
// Preserve the seed in this frame, to ensure reproducibility of the replay in the next level,
// regardless of how long the sound is still playing *after* this frame.
// Animations (e.g. torch) can change the seed!
keep_last_seed = 1;
if (replaying && skipping_replay) stop_sounds();
#endif
break;
case SEQ_GET_ITEM: // get item
{
int item = *(SEQTBL_0 + Char.curr_seq++);
if (item == 1) {
proc_get_object();
}
#ifdef USE_TELEPORTS
if (item == 2) {
teleport();
}
#endif
}
break;
case SEQ_DIE: // nop
break;
default:
Char.frame = item;
//if (Char.frame == 185) Char.frame = 185;
return;
}
}
}
// seg006:03DE
int __pascal far get_tile_div_mod_m7(int xpos) {
return get_tile_div_mod(xpos - 7);
}
// data:22A6
const sbyte tile_div_tbl[256] = {
-5,-5,
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
10,10,10,10,10,10,10,10,10,10,10,10,10,10,
11,11,11,11,11,11,11,11,11,11,11,11,11,11,
12,12,12,12,12,12,12,12,12,12,12,12,12,12,
13,13,13,13,13,13,13,13,13,13,13,13,13,13,
14,14
};
// data:23A6
const byte tile_mod_tbl[256] = {
12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
0, 1
};
// seg006:03F0
int __pascal far get_tile_div_mod(int xpos) {
// Determine tile column (xh) and the position within the tile (xl) from xpos.
// DOS PoP does this:
// obj_xl = tile_mod_tbl[xpos];
// return tile_div_tbl[xpos];
// xpos uses a coordinate system in which the left edge of the screen is 58, and each tile is 14 units wide.
int x = xpos - 58;
int xl = x % 14;
int xh = x / 14;
if (xl < 0) {
// Integer division rounds towards zero, but we want to round down.
--xh;
// Modulo returns a negative number if x is negative, but we want 0 <= xl < 14.
xl += 14;
}
// For compatibility with the DOS version, we allow for overflow access to these tables
// Considering the case of negative overflow
if (xpos < 0) {
// In this case DOS PoP reads the bytes directly before tile_div_tbl[] and tile_mod_tbl[] in the memory.
// Here we simulate these reads.
// Before tile_mod_tbl[] is tile_div_tbl[], and before tile_div_tbl[] are the following bytes:
static const byte bogus[] = {0x02, 0x00, 0x41, 0x00, 0x80, 0x00, 0xBF, 0x00, 0xFE, 0x00, 0xFF, 0x01, 0x01, 0xFF, 0xC4, 0xFF, 0x03, 0x00, 0x42, 0x00, 0x81, 0x00, 0xC0, 0x00, 0xF8, 0xFF, 0x37, 0x00, 0x76, 0x00, 0xB5, 0x00, 0xF4, 0x00};
if (COUNT(bogus) + xpos >= 0) {
xh = bogus[COUNT(bogus) + xpos]; // simulating tile_div_tbl[xpos]
xl = tile_div_tbl[COUNT(tile_div_tbl) + xpos]; // simulating tile_mod_tbl[xpos]
} else {
printf("xpos = %d (< %d) out of range for simulation of index overflow!\n", xpos, -(int)COUNT(bogus));
}
}
// Considering the case of positive overflow
int tblSize = 256;
if (xpos >= tblSize) {
// In this case DOS PoP reads the bytes directly after tile_div_tbl[], that is: and tile_mod_tbl[]
// Here we simulate these reads.
// After tile_mod_tbl[] there are the following bytes:
static const byte bogus[] = {0xF4, 0x02, 0x10, 0x1E, 0x2C, 0x3A, 0x48, 0x56, 0x64, 0x72, 0x80, 0x8E, 0x9C, 0xAA, 0xB8, 0xC6, 0xD4, 0xE2, 0xF0, 0xFE, 0x00, 0x0A, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x0D, 0x00, 0x00, 0x00, 0x00};
if (xpos-tblSize < COUNT(bogus)) {
xh = tile_mod_tbl[xpos-tblSize]; // simulating tile_div_tbl[xpos]
xl = bogus[xpos-tblSize]; // simulating tile_mod_tbl[xpos]
} else {
printf("xpos = %d (> %d) out of range for simulation of index overflow!\n", xpos, (int)COUNT(bogus)+tblSize);
}
}
obj_xl = xl;
return xh;
}
// seg006:0433
int __pascal far y_to_row_mod4(int ypos) {
return (ypos + 60) / 63 % 4 - 1;
}
// seg006:044F
void __pascal far loadkid() {
Char = Kid;
}
// seg006:0464
void __pascal far savekid() {
Kid = Char;
}
// seg006:0479
void __pascal far loadshad() {
Char = Guard;
}
// seg006:048E
void __pascal far saveshad() {
Guard = Char;
}
// seg006:04A3
void __pascal far loadkid_and_opp() {
loadkid();
Opp = Guard;
}
// seg006:04BC
void __pascal far savekid_and_opp() {
savekid();
Guard = Opp;
}
// seg006:04D5
void __pascal far loadshad_and_opp() {
loadshad();
Opp = Kid;
}
// seg006:04EE
void __pascal far saveshad_and_opp() {
saveshad();
Kid = Opp;
}
// seg006:0507
void __pascal far reset_obj_clip() {
obj_clip_left = 0;
obj_clip_top = 0;
obj_clip_right = 320;
obj_clip_bottom = 192;
}
// seg006:051C
void __pascal far x_to_xh_and_xl(int xpos, sbyte *xh_addr, sbyte *xl_addr) {
#ifdef FIX_SPRITE_XPOS
*xh_addr = xpos >> 3;
*xl_addr = xpos & 7;
#else
if (xpos < 0) {
*xh_addr = -((ABS(-xpos) >> 3) + 1);
*xl_addr = - ((-xpos - 1) % 8 - 7);
} else {
*xh_addr = ABS(xpos) >> 3;
*xl_addr = xpos % 8;
}
#endif
}
// seg006:057C
void __pascal far fall_accel() {
if (Char.action == actions_4_in_freefall) {
if (is_feather_fall) {
++Char.fall_y;
if (Char.fall_y > 4) Char.fall_y = 4;
} else {
Char.fall_y += 3;
if (Char.fall_y > 33) Char.fall_y = 33;
}
}
}
// seg006:05AE
void __pascal far fall_speed() {
Char.y += Char.fall_y;
#ifdef USE_SUPER_HIGH_JUMP
// Do not fall forward during super high jumps
if (Char.action == actions_4_in_freefall && (!fixes->enable_super_high_jump || super_jump_fall == 0)) {
#else
if (Char.action == actions_4_in_freefall) {
#endif
Char.x = char_dx_forward(Char.fall_x);
load_fram_det_col();
}
}
// seg006:05CD
void __pascal far check_action() {
short frame;
short action;
action = Char.action;
frame = Char.frame;
// frame 109: crouching
if (action == actions_6_hang_straight ||
action == actions_5_bumped
) {
if (frame == frame_109_crouch
#ifdef FIX_STAND_ON_THIN_AIR
|| (fixes->fix_stand_on_thin_air &&
frame >= frame_110_stand_up_from_crouch_1 && frame <= frame_119_stand_up_from_crouch_10)
#endif
) {
check_on_floor();
}
} else if (action == actions_4_in_freefall) {
do_fall();
} else if (action == actions_3_in_midair) {
// frame 102..106: start fall + fall
if (frame >= frame_102_start_fall_1 && frame < frame_106_fall) {
check_grab();
}
} else if (action != actions_2_hang_climb) {
check_on_floor();
}
}
// seg006:0628
int __pascal far tile_is_floor(int tiletype) {
switch (tiletype) {
case tiles_0_empty:
case tiles_9_bigpillar_top:
case tiles_12_doortop:
case tiles_20_wall:
case tiles_26_lattice_down:
case tiles_27_lattice_small:
case tiles_28_lattice_left:
case tiles_29_lattice_right:
return 0;
default:
return 1;
}
}
// seg006:0658
void __pascal far check_spiked() {
short harmful;
short frame;
frame = Char.frame;
if (get_tile(Char.room, Char.curr_col, Char.curr_row) == tiles_2_spike) {
harmful = is_spike_harmful();
// frames 7..14: running
// frames 34..39: start run-jump
// frame 43: land from run-jump
// frame 26: lang from standing jump
if (
(harmful >= 2 && ((frame>= frame_7_run && frame<15) || (frame>=frame_34_start_run_jump_1 && frame<40))) ||
((frame == frame_43_running_jump_4 || frame == frame_26_standing_jump_11) && harmful != 0)
) {
spiked();
}
}
}
// seg006:06BD
int __pascal far take_hp(int count) {
word dead;
dead = 0;
if (Char.charid == charid_0_kid) {
if (count >= hitp_curr) {
hitp_delta = -hitp_curr;
dead = 1;
} else {
hitp_delta = -count;
}
} else {
if (count >= guardhp_curr) {
guardhp_delta = -guardhp_curr;
dead = 1;
} else {
guardhp_delta = -count;
}
}
return dead;
}
// seg006:070D
int __pascal far get_tile_at_char() {
return get_tile(Char.room, Char.curr_col, Char.curr_row);
}
// seg006:0723
void __pascal far set_char_collision() {
image_type* image = get_image(obj_chtab, obj_id);
if (image == NULL) {
char_width_half = 0;
char_height = 0;
} else {
char_width_half = (image->/*width*/w + 1) / 2;
char_height = image->/*height*/h;
}
char_x_left = obj_x / 2 + 58;
if (Char.direction >= dir_0_right) {
char_x_left -= char_width_half;
}
char_x_left_coll = char_x_left;
char_x_right_coll = char_x_right = char_x_left + char_width_half;