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-rw-r--r--engines/avalanche/trip3.cpp343
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diff --git a/engines/avalanche/trip3.cpp b/engines/avalanche/trip3.cpp
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-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * 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 2
- * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
-
-/*
- * This code is based on the original source code of Lord Avalot d'Argent version 1.3.
- * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
- */
-
-#define __trip3_implementation__
-/* Project Minstrel- Trippancy routines */
-
-#include "trip3.h"
-
-
-#include "Graph.h"
-/*#include "Crt.h"*/
-
-/*$S+*/
-
-namespace Avalanche {
-
-const integer avvy = 1;
-const integer test = 177;
-
-struct triprec {
- byte handle; /* who is it? */
- integer x, y; /* current x&y */
- byte xm, ym; /* x&y margins */
- shortint ix, iy; /* inc x&y */
- byte stage; /* animation */
- integer xl, yl; /* x&y length */
- boolean prime; /* true on first move */
- boolean alive; /* true if it moves */
-};
-
-array<1, 10, triprec> tr;
-byte tramt;
-array<1, 20000, byte> blue3;
-array<1, 24, word> pozzes;
-
-const integer up = 1;
-const integer right = 2;
-const integer down = 3;
-const integer left = 4;
-const integer ur = 5;
-const integer dr = 6;
-const integer dl = 7;
-const integer ul = 8;
-
-/* */
-/* EGA Graphic Primitive for Turbo Pascal 3.01A, Version 01FEB86. */
-/* (C) 1986 by Kent Cedola, 2015 Meadow Lake Ct., Norfolk, VA, 23518 */
-/* */
-/* Description: Write a array of colors in a vertical line. The current */
-/* merge setting is used to control the combining of bits. */
-/* */
-void gpwtcol(void *buf, integer n) { /* Cedola */
- /* inline
- ($1E/$A1/GDCUR_Y/$D1/$E0/$D1/$E0/$03/$06/GDCUR_Y/$05/$A000/$8E/$C0/$8B/$3E/
- GDCUR_X/$8B/$CF/$D1/$EF/$D1/$EF/$D1/$EF/$BA/$03CE/$8A/$26/GDMERGE/$B0/$03/
- $EF/$B8/$0205/$EF/$B0/$08/$EE/$42/$B0/$80/$80/$E1/$07/$D2/$C8/$EE/$8B/$4E/
- $04/$C5/$76/$06/$8A/$24/$46/$26/$8A/$1D/$26/$88/$25/$83/$C7/$50/$E2/$F2/
- $B0/$FF/$EE/$4A/$B8/>$05/$EF/$B8/>$03/$EF/$1F); */
-}
-
-
-void loadtrip() {
- untyped_file inf;
- assign(inf, "t:avvy.trp");
- reset(inf, 1);
- seek(inf, 0x27);
- blockread(inf, pozzes, sizeof(pozzes));
- blockread(inf, blue3, sizeof(blue3));
- close(inf);
-}
-
-void enter(byte what_handle, integer xx, integer yy, integer lx, integer ly, byte mmx, byte mmy, byte st) {
- tramt += 1;
- {
- triprec &with = tr[tramt];
- with.handle = what_handle;
- with.ix = 0;
- with.iy = 0;
- with.x = xx;
- with.y = yy;
- with.xl = lx;
- with.yl = ly;
- with.xm = mmx;
- with.ym = mmy;
- with.stage = st;
- with.prime = true;
- with.alive = true;
- }
-}
-
-void plot(byte stage, integer ox, integer oy) { /* orig x & y. Page is always 1/UNSEEN. */
- byte x, y, len;
- word count;
- count = pozzes[stage];
- do {
- len = blue3[count];
- if (len == 177) return;
- x = blue3[count + 1];
- y = blue3[count + 2];
- count += 3;
- {
- gdcur_x = x + ox;
- gdcur_y = y + oy;
- /* fiddle xy coords to match page 1 */
- gdcur_y += 205; /* 203 */ gdcur_x -= 128; /* 114 */
- if (gdcur_x < 0) {
- gdcur_x += 640;
- gdcur_y -= 1;
- }
- gpwtcol(&blue3[count], len);
- count += len;
- }
- } while (!false);
-}
-
-void trippancy() {
- byte fv;
- pointer p, saved1, saved2;
- word s;
- array<1, 10, pointer> q;
- boolean allstill;
- if ((cw != 177) || (! dropsok) || keypressed()) return;
-
- /* Do the Avvy Walk */
-
- switch (dna.rw) {
- case up:
- budge(avvy, 0, -3, anim * 4 - 3);
- break;
- case down:
- budge(avvy, 0, 3, anim * 4 - 1);
- break;
- case right:
- budge(avvy, 5, 0, anim * 4 - 2);
- break;
- case left:
- budge(avvy, -5, 0, anim * 4);
- break;
- case ul:
- budge(avvy, -5, -3, anim * 4);
- break;
- case dl:
- budge(avvy, -5, 3, anim * 4);
- break;
- case ur:
- budge(avvy, 5, -3, anim * 4 - 2);
- break;
- case dr:
- budge(avvy, 5, 3, anim * 4 - 2);
- break;
- }
-
- for (fv = 1; fv <= tramt; fv ++) {
- triprec &with = tr[fv];
- boundscheck(with.x, with.y, with.xm, with.ym);
- }
-
- allstill = true;
- for (fv = 1; fv <= tramt; fv ++) {
- triprec &with = tr[fv];
- if (((with.alive) && (!((with.ix == 0) && (with.iy == 0)))) || with.prime) allstill = false;
- }
- if (allstill) return;
-
- if (dna.rw > 0) {
- anim += 1;
- if (anim == 7) anim = 1;
- }
-
- /* Trippancy Step 1 - Grab moon array of unmargined sprites (phew) */
- mark(saved1);
- setactivepage(1);
- off();
- for (fv = 1; fv <= tramt; fv ++) {
- triprec &with = tr[fv];
- s = imagesize(with.x - with.xm, with.y - with.ym, with.x + with.xl + with.xm, with.y + with.yl + with.ym);
- getmem(q[fv], s);
- getimage(with.x - with.xm, with.y - with.ym, with.x + with.xl + with.xm, with.y + with.yl + with.ym, q[fv]);
- }
- /* Step 2 - Plot sprites on 1/UNSEEN */
- for (fv = 1; fv <= tramt; fv ++) {
- triprec &with = tr[fv];
- plot(with.stage, with.x, with.y);
- }
- /* Step 3 - Copy all eligible from 1/UNSEEN to 0/SEEN */
- mark(saved2);
- for (fv = 1; fv <= tramt; fv ++) {
- triprec &with = tr[fv];
- if (((with.alive) && (!((with.ix == 0) && (with.iy == 0)))) || with.prime) {
- s = imagesize(with.x - with.xm, with.y - with.ym, with.x + with.xl + with.xm, with.y + with.yl + with.ym);
- getmem(p, s);
- setactivepage(1);
- getimage(with.x - with.xm, with.y - with.ym, with.x + with.xl + with.xm, with.y + with.yl + with.ym, p);
- setactivepage(0);
- putimage(with.x - with.xm, with.y - with.ym, p, 0);
- release(saved2);
- with.prime = false;
- }
- }
- /* Step 4 - Unplot sprites from 1/UNSEEN */
- setactivepage(1);
- for (fv = 1; fv <= tramt; fv ++) {
- triprec &with = tr[fv];
- putimage(with.x - with.xm, with.y - with.ym, q[fv], 0);
- if (with.ix != 0) with.x = with.x + with.ix;
- if (with.iy != 0) with.y = with.y + with.iy;
- with.ix = 0;
- with.iy = 0;
- if (with.handle == avvy) {
- dnatype &with1 = dna; ;
- ux = with.x;
- uy = with.y;
- }
- }
- on();
- release(saved1);
- for (fv = 1; fv <= tramt; fv ++) { /* synch xy coords of mouths */
- triprec &with = tr[fv];
- mouths[fv].x = with.x + 20;
- mouths[fv].y = with.y;
- }
-
- setactivepage(0);
-}
-
-void budge(byte who, shortint xx, shortint yy, byte frame) { /* Moving & animation controller */
- byte fv;
- for (fv = 1; fv <= tramt; fv ++) {
- triprec &with = tr[fv];
- if (with.handle == who) {
- with.ix = xx;
- with.iy = yy;
- with.stage = frame;
- }
- }
-}
-
-void tripkey(char dir) {
- if (cw != 177) return;
- {
- dnatype &with = dna;
- switch (dir) {
- case 'H':
- if (with.rw != up) {
- with.rw = up;
- ww = up;
- } else with.rw = 0;
- break;
- case 'P':
- if (with.rw != down) {
- with.rw = down;
- ww = down;
- } else with.rw = 0;
- break;
- case 'K':
- if (with.rw != left) {
- with.rw = left;
- ww = left;
- } else with.rw = 0;
- break;
- case 'M':
- if (with.rw != right) {
- with.rw = right;
- ww = right;
- } else with.rw = 0;
- break;
- case 'I':
- if (with.rw != ur) {
- with.rw = ur;
- ww = right;
- } else with.rw = 0;
- break;
- case 'Q':
- if (with.rw != dr) {
- with.rw = dr;
- ww = right;
- } else with.rw = 0;
- break;
- case 'O':
- if (with.rw != dl) {
- with.rw = dl;
- ww = left;
- } else with.rw = 0;
- break;
- case 'G':
- if (with.rw != ul) {
- with.rw = ul;
- ww = left;
- } else with.rw = 0;
- break;
- }
- if (with.rw == 0) {
- ux = ppos[0][0];
- uy = ppos[0][1];
- anim -= 1;
- if (anim == 0) anim = 6;
- }
- }
-}
-
-void boundscheck(integer &x, integer &y, byte xm, byte ym) {
- if (y > 127 - ym) y = 127 - ym;
- if (y < ym + 10) y = ym + 10;
- if (x < xm) x = xm;
- if (x > 640 - xm) x = 640 - xm;
-}
-
-class unit_trip3_initialize {
-public:
- unit_trip3_initialize();
-};
-static unit_trip3_initialize trip3_constructor;
-
-unit_trip3_initialize::unit_trip3_initialize() {
- ; /* init portion of Trip3 */
- tramt = 0;
-}
-
-} // End of namespace Avalanche. \ No newline at end of file
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