int Router::faceXY(byte *ob_logic, byte *ob_graph, byte *ob_mega, byte *ob_walkdata, int16 target_x, int16 target_y) {
uint8 target_dir = 0;
// If this is the start of the turn, get the mega's current feet
// coords + the required direction
ObjectLogic obLogic(ob_logic);
if (obLogic.getLooping() == 0) {
ObjectMega obMega(ob_mega);
target_dir = whatTarget(obMega.getFeetX(), obMega.getFeetY(), target_x, target_y);
}
return doFace(ob_logic, ob_graph, ob_mega, ob_walkdata, target_dir);
}
int Router::walkToTalkToMega(byte *ob_logic, byte *ob_graph, byte *ob_mega, byte *ob_walkdata, uint32 megaId, uint32 separation) {
ObjectMega obMega(ob_mega);
int16 target_x = 0;
int16 target_y = 0;
uint8 target_dir = 0;
// If this is the start of the walk, calculate the route.
ObjectLogic obLogic(ob_logic);
if (obLogic.getLooping() == 0) {
assert(_vm->_resman->fetchType(megaId) == GAME_OBJECT);
// Call the base script. This is the graphic/mouse service
// call, and will set _engineMega to the ObjectMega of mega we
// want to route to.
_vm->_logic->runResScript(megaId, 3);
ObjectMega targetMega(_vm->_logic->getEngineMega());
// Stand exactly beside the mega, ie. at same y-coord
target_y = targetMega.getFeetY();
int scale = obMega.calcScale();
int mega_separation = (separation * scale) / 256;
debug(4, "Target is at (%d, %d), separation %d", targetMega.getFeetX(), targetMega.getFeetY(), mega_separation);
if (targetMega.getFeetX() < obMega.getFeetX()) {
// Target is left of us, so aim to stand to their
// right. Face down_left
target_x = targetMega.getFeetX() + mega_separation;
target_dir = 5;
} else {
// Ok, must be right of us so aim to stand to their
// left. Face down_right.
target_x = targetMega.getFeetX() - mega_separation;
target_dir = 3;
}
}
return doWalk(ob_logic, ob_graph, ob_mega, ob_walkdata, target_x, target_y, target_dir);
}
int Router::megaTableAnimate(byte *ob_logic, byte *ob_graph, byte *ob_mega, byte *animTable, bool reverse) {
int32 animRes = 0;
// If this is the start of the anim, read the anim table to get the
// appropriate anim resource
ObjectLogic obLogic(ob_logic);
if (obLogic.getLooping() == 0) {
ObjectMega obMega(ob_mega);
// Appropriate anim resource is in 'table[direction]'
animRes = READ_LE_UINT32(animTable + 4 * obMega.getCurDir());
}
return doAnimate(ob_logic, ob_graph, animRes, reverse);
}
int Router::doFace(byte *ob_logic, byte *ob_graph, byte *ob_mega, byte *ob_walkdata, uint8 target_dir) {
int16 target_x = 0;
int16 target_y = 0;
// If this is the start of the turn, get the mega's current feet
// coords + the required direction
ObjectLogic obLogic(ob_logic);
if (obLogic.getLooping() == 0) {
assert(target_dir <= 7);
ObjectMega obMega(ob_mega);
target_x = obMega.getFeetX();
target_y = obMega.getFeetY();
}
return doWalk(ob_logic, ob_graph, ob_mega, ob_walkdata, target_x, target_y, target_dir);
}
int Router::walkToAnim(byte *ob_logic, byte *ob_graph, byte *ob_mega, byte *ob_walkdata, uint32 animRes) {
int16 target_x = 0;
int16 target_y = 0;
uint8 target_dir = 0;
// Walkdata is needed for earlySlowOut if player clicks elsewhere
// during the walk.
// If this is the start of the walk, read anim file to get start coords
ObjectLogic obLogic(ob_logic);
if (obLogic.getLooping() == 0) {
byte *anim_file = _vm->_resman->openResource(animRes);
AnimHeader anim_head;
anim_head.read(_vm->fetchAnimHeader(anim_file));
target_x = anim_head.feetStartX;
target_y = anim_head.feetStartY;
target_dir = anim_head.feetStartDir;
_vm->_resman->closeResource(animRes);
// If start coords not yet set in anim header, use the standby
// coords (which should be set beforehand in the script).
if (target_x == 0 && target_y == 0) {
target_x = _standbyX;
target_y = _standbyY;
target_dir = _standbyDir;
}
assert(target_dir <= 7);
}
return doWalk(ob_logic, ob_graph, ob_mega, ob_walkdata, target_x, target_y, target_dir);
}
int Router::faceMega(byte *ob_logic, byte *ob_graph, byte *ob_mega, byte *ob_walkdata, uint32 megaId) {
uint8 target_dir = 0;
// If this is the start of the walk, decide where to walk to.
ObjectLogic obLogic(ob_logic);
if (obLogic.getLooping() == 0) {
assert(_vm->_resman->fetchType(megaId) == GAME_OBJECT);
// Call the base script. This is the graphic/mouse service
// call, and will set _engineMega to the ObjectMega of mega we
// want to turn to face.
_vm->_logic->runResScript(megaId, 3);
ObjectMega obMega(ob_mega);
ObjectMega targetMega(_vm->_logic->getEngineMega());
target_dir = whatTarget(obMega.getFeetX(), obMega.getFeetY(), targetMega.getFeetX(), targetMega.getFeetY());
}
return doFace(ob_logic, ob_graph, ob_mega, ob_walkdata, target_dir);
}
int Router::doWalk(byte *ob_logic, byte *ob_graph, byte *ob_mega, byte *ob_walkdata, int16 target_x, int16 target_y, uint8 target_dir) {
ObjectLogic obLogic(ob_logic);
ObjectGraphic obGraph(ob_graph);
ObjectMega obMega(ob_mega);
// If this is the start of the walk, calculate the route.
if (obLogic.getLooping() == 0) {
// If we're already there, don't even bother allocating
// memory and calling the router, just quit back & continue
// the script! This avoids an embarassing mega stand frame
// appearing for one cycle when we're already in position for
// an anim eg. repeatedly clicking on same object to repeat
// an anim - no mega frame will appear in between runs of the
// anim.
if (obMega.getFeetX() == target_x && obMega.getFeetY() == target_y && obMega.getCurDir() == target_dir) {
_vm->_logic->writeVar(RESULT, 0);
return IR_CONT;
}
assert(target_dir <= 8);
obMega.setWalkPc(0);
// Set up mem for _walkData in route_slots[] & set mega's
// 'route_slot_id' accordingly
allocateRouteMem();
int32 route = routeFinder(ob_mega, ob_walkdata, target_x, target_y, target_dir);
// 0 = can't make route to target
// 1 = created route
// 2 = zero route but may need to turn
if (route != 1 && route != 2) {
freeRouteMem();
_vm->_logic->writeVar(RESULT, 1);
return IR_CONT;
}
// Walk is about to start
obMega.setIsWalking(1);
obLogic.setLooping(1);
obGraph.setAnimResource(obMega.getMegasetRes());
} else if (_vm->_logic->readVar(EXIT_FADING) && _vm->_screen->getFadeStatus() == RDFADE_BLACK) {
// Double clicked an exit, and the screen has faded down to
// black. Ok, that's it. Back to script and change screen.
// We have to clear te EXIT_CLICK_ID variable in case there's a
// walk instruction on the new screen, or it'd be cut short.
freeRouteMem();
obLogic.setLooping(0);
obMega.setIsWalking(0);
_vm->_logic->writeVar(EXIT_CLICK_ID, 0);
_vm->_logic->writeVar(RESULT, 0);
return IR_CONT;
}
// Get pointer to walkanim & current frame position
WalkData *walkAnim = getRouteMem();
int32 walk_pc = obMega.getWalkPc();
// If stopping the walk early, overwrite the next step with a
// slow-out, then finish
if (_vm->_logic->checkEventWaiting() && walkAnim[walk_pc].step == 0 && walkAnim[walk_pc + 1].step == 1) {
// At the beginning of a step
earlySlowOut(ob_mega, ob_walkdata);
}
// Get new frame of walk
obGraph.setAnimPc(walkAnim[walk_pc].frame);
obMega.setCurDir(walkAnim[walk_pc].dir);
obMega.setFeetX(walkAnim[walk_pc].x);
obMega.setFeetY(walkAnim[walk_pc].y);
// Is the NEXT frame is the end-marker (512) of the walk sequence?
if (walkAnim[walk_pc + 1].frame != 512) {
// No, it wasn't. Increment the walk-anim frame number and
// come back next cycle.
obMega.setWalkPc(obMega.getWalkPc() + 1);
return IR_REPEAT;
}
// We have reached the end-marker, which means we can return to the
// script just as the final (stand) frame of the walk is set.
freeRouteMem();
obLogic.setLooping(0);
obMega.setIsWalking(0);
// If George's walk has been interrupted to run a new action script for
// instance or Nico's walk has been interrupted by player clicking on
// her to talk
// There used to be code here for checking if two megas were colliding,
// but it had been commented out, and it was only run if a function
// that always returned zero returned non-zero.
if (_vm->_logic->checkEventWaiting()) {
_vm->_logic->startEvent();
_vm->_logic->writeVar(RESULT, 1);
return IR_TERMINATE;
}
_vm->_logic->writeVar(RESULT, 0);
// CONTINUE the script so that RESULT can be checked! Also, if an anim
// command follows the fnWalk command, the 1st frame of the anim (which
// is always a stand frame itself) can replace the final stand frame of
// the walk, to hide the slight difference between the shrinking on the
// mega frames and the pre-shrunk anim start-frame.
return IR_CONT;
}
int Router::doAnimate(byte *ob_logic, byte *ob_graph, int32 animRes, bool reverse) {
AnimHeader anim_head;
byte *anim_file;
ObjectLogic obLogic(ob_logic);
ObjectGraphic obGraph(ob_graph);
if (obLogic.getLooping() == 0) {
// This is the start of the anim - set up the first frame
// For testing all anims!
// A script loop can send every resource number to the anim
// function & it will only run the valid ones. See
// 'testing_routines' object in George's Player Character
// section of linc
if (_vm->_logic->readVar(SYSTEM_TESTING_ANIMS)) {
if (!_vm->_resman->checkValid(animRes)) {
// Not a valid resource number. Switch off
// the sprite. Don't animate - just continue
// script next cycle.
setSpriteStatus(ob_graph, NO_SPRITE);
return IR_STOP;
}
// if it's not an animation file
if (_vm->_resman->fetchType(animRes) != ANIMATION_FILE) {
// switch off the sprite
// don't animate - just continue
// script next cycle
setSpriteStatus(ob_graph, NO_SPRITE);
return IR_STOP;
}
// switch on the sprite
setSpriteStatus(ob_graph, SORT_SPRITE);
}
assert(animRes);
// open anim file
anim_file = _vm->_resman->openResource(animRes);
assert(_vm->_resman->fetchType(animRes) == ANIMATION_FILE);
// point to anim header
anim_head.read(_vm->fetchAnimHeader(anim_file));
// now running an anim, looping back to this call again
obLogic.setLooping(1);
obGraph.setAnimResource(animRes);
if (reverse)
obGraph.setAnimPc(anim_head.noAnimFrames - 1);
else
obGraph.setAnimPc(0);
} else if (_vm->_logic->getSync() != -1) {
// We've received a sync - return to script immediately
debug(5, "**sync stopped %d**", _vm->_logic->readVar(ID));
// If sync received, anim finishes right now (remaining on
// last frame). Quit animation, but continue script.
obLogic.setLooping(0);
return IR_CONT;
} else {
// Not first frame, and no sync received - set up the next
// frame of the anim.
// open anim file and point to anim header
anim_file = _vm->_resman->openResource(obGraph.getAnimResource());
anim_head.read(_vm->fetchAnimHeader(anim_file));
if (reverse)
obGraph.setAnimPc(obGraph.getAnimPc() - 1);
else
obGraph.setAnimPc(obGraph.getAnimPc() + 1);
}
// check for end of anim
if (reverse) {
if (obGraph.getAnimPc() == 0)
obLogic.setLooping(0);
} else {
if (obGraph.getAnimPc() == anim_head.noAnimFrames - 1)
obLogic.setLooping(0);
}
// close the anim file
_vm->_resman->closeResource(obGraph.getAnimResource());
// check if we want the script to loop back & call this function again
return obLogic.getLooping() ? IR_REPEAT : IR_STOP;
}