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Aminet 30
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Aminet 30 (1999)(Schatztruhe)[!][Apr 1999].iso
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flash-0.4.3.lha
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flash-0.4.3
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displaylist.cc
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C/C++ Source or Header
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1999-02-21
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5KB
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240 lines
////////////////////////////////////////////////////////////
// Flash Plugin and Player
// Copyright (C) 1998,1999 Olivier Debon
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
///////////////////////////////////////////////////////////////
// Author : Olivier Debon <odebon@club-internet.fr>
//
#include <stdio.h>
#include <assert.h>
static char *rcsid = "$Id: displaylist.cc,v 1.7 1999/02/02 18:45:05 olivier Exp $";
#include "displaylist.h"
#include "graphic.h"
#include "character.h"
#define PRINT 0
DisplayList::DisplayList()
{
list = 0;
bg = 0;
}
DisplayList::~DisplayList()
{
clearList();
}
void
DisplayList::clearList()
{
DisplayListEntry *del, *e;
for(e = list; e;)
{
del = e;
e = e->next;
delete del;
}
list = 0;
}
DisplayListEntry *
DisplayList::getList()
{
return list;
}
void
DisplayList::placeObject(Character *character, long depth, Matrix *matrix, Cxform *cxform)
{
DisplayListEntry *n,*e,*prev;
n = new DisplayListEntry;
n->depth = depth;
n->matrix = matrix;
n->cxform = cxform;
n->character = character;
if (character == 0 || matrix == 0 || cxform == 0) {
for (e = list; e; prev = e, e = e->next) {
if (e->depth == n->depth) {
if (character == 0) {
n->character = e->character;
}
if (matrix == 0) {
n->matrix = e->matrix;
}
if (cxform == 0) {
n->cxform = e->cxform;
}
break;
}
}
}
if (n->character == 0) {
// Not found !!! Should not happen
printf("PlaceObject cannot find character at depth %d\n", n->depth);
delete n;
return;
}
prev = 0;
for (e = list; e; prev = e, e = e->next)
{
if (e->depth == n->depth) {
// Replace object
if (prev) {
prev->next = e->next;
delete e;
e = prev->next;
} else {
list = e->next;
delete e;
e = list;
}
if (e) {
// Should break then
assert(e->depth > n->depth);
} else {
break;
}
}
if (e->depth > n->depth) break;
}
if (prev == 0) {
// Object comes at first place
n->next = list;
list = n;
} else {
// Insert object
n->next = prev->next;
prev->next = n;
}
}
Character *
DisplayList::removeObject(Character *character, long depth)
{
DisplayListEntry *e,*prev;
// List should not be empty
if (list == 0) return 0;
prev = 0;
for (e = list; e; prev = e, e = e->next)
{
if (e->depth == depth) {
if (prev) {
prev->next = e->next;
} else {
list = e->next;
}
if (character == 0) {
character = e->character;
}
delete e;
return character;
}
}
return 0; // Should not happen
}
Character *
DisplayList::removeObject(long depth)
{
return removeObject((Character *)0,depth);
}
ActionRecord *
DisplayList::processEvent(GraphicDevice *gd, FlashEvent *event)
{
DisplayListEntry *e;
ActionRecord *action = 0;
for (e = list; e; e = e->next)
{
if (e->character) {
if (e->character->hasEventHandler()){
action = e->character->eventHandler(gd, event);
if (action) {
break;
}
}
}
}
return action;
}
void
DisplayList::setBackgroundColor(Color *color)
{
bg = color;
}
int
DisplayList::render(GraphicDevice *gd, Matrix *m)
{
DisplayListEntry *e;
int sprite = 0;
long n = 0;
if (bg) {
gd->setBackgroundColor(*bg);
bg = 0;
}
for (e = list; e; e = e->next)
{
#if PRINT
printf("Character %3d @ %3d\n", e->character ? e->character->getTagId() : 0, e->depth);
#endif
if (e->character) {
Matrix mat;
if (m) {
mat = *m;
}
if (e->matrix) {
mat = mat * (*e->matrix);
}
if (e->character->hasEventHandler()) {
long hitTestId;
hitTestId = gd->registerHitTest(e->character->getTagId());
if (hitTestId) {
e->character->getRegion(gd, &mat, hitTestId);
}
}
if (e->character->execute(gd, &mat, e->cxform)) {
sprite = 1;
}
n++;
}
}
return sprite;
}