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/*
* mogltk
* Copyright (C) 1999-2004 Nicolas "Pixel" Noble
*
* 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
*/
/* $Id: sprite.cc,v 1.15 2004-11-27 21:48:03 pixel Exp $ */
#include <SDL.h>
#include "engine.h"
#include "base.h"
#include "sprite.h"
#define TEXSIZE 1024
mogltk::Sprite * mogltk::Sprite::Cursor;
mogltk::Sprite::TexList * mogltk::Sprite::TexList::header = 0;
mogltk::Sprite::Sprite(Handle * h, int asx, int asy) throw (GeneralException) : sx(asx), sy(asy) {
alloc();
for (int y = 0; y < sy; y++) {
h->read(tlist->GetTex()->GetPixels() + TEXSIZE * y + posx, sx * 4);
}
}
mogltk::Sprite::Sprite(Uint8 * p, int asx, int asy) : sx(asx), sy(asy) {
alloc();
for (int y = 0; y < sy; y++) {
bcopy(p, tlist->GetTex()->GetPixels() + TEXSIZE * y + posx, sx * 4);
p += sx * 4;
}
}
mogltk::Sprite::~Sprite() {
if (prev)
prev->next = next;
else
tlist->sprheader = next;
if (next)
next->prev = prev;
if (!tlist->sprheader) {
delete tlist;
}
}
void mogltk::Sprite::alloc() {
/* FIXMEEEEEEEEEEEEE */
bool found = false;
TexList * p;
for (p = tlist; p && !found; p = p->GetNext()) {
for (posy = 0; (posy < (TEXSIZE - sy)) && !found; posy++) {
for (posx = 0; (posx < (TEXSIZE - sx)) && !found; posx++) {
if (p->sprheader->canfit(posx, posy, posx + sx, posy + sy)) {
found = true;
}
}
}
}
if (!found) {
printm(M_INFO, "Allocating a new texture for sprites\n");
posx = posy = 0;
p = new TexList(TEXSIZE);
}
tlist = p;
}
mogltk::Sprite::TexList::TexList(int size) {
tex = new texture(size, size, true);
if (header)
header->prev = this;
prev = 0;
next = header;
header = this;
}
mogltk::Sprite::TexList::~TexList() {
delete tex;
if (prev)
prev->next = next;
else
header = next;
if (next)
next->prev = prev;
}
const mogltk::texture * mogltk::Sprite::TexList::GetTex() const {
return tex;
}
mogltk::texture * mogltk::Sprite::TexList::GetTex() {
return tex;
}
const mogltk::Sprite::TexList * mogltk::Sprite::TexList::GetHead() {
return header;
}
const mogltk::Sprite::TexList * mogltk::Sprite::TexList::GetNext() const {
return next;
}
mogltk::Sprite::TexList * mogltk::Sprite::TexList::GetNext() {
return next;
}
void mogltk::Sprite::TexList::Bind() const {
tex->Bind();
}
SDL_Surface * mogltk::Sprite::TexList::GetSurface() {
return tex->GetSurface();
}
bool mogltk::Sprite::intersect(int x1, int y1, int x2, int y2) const {
int sx1 = posx, sy1 = posy, sx2 = posx + sx, sy2 = posy + sy;
return !((sx1 >= x2) || (sx2 <= x1) || (sy1 >= y1) || (sy2 <= y2));
}
bool mogltk::Sprite::canfit(int x1, int y1, int x2, int y2) const {
if (!intersect(x1, y1, x2, y2))
return true;
else
if (next)
return next->canfit(x1, y1, x2, y2);
else
return false;
}
void mogltk::Sprite::draw(int dx, int dy, ColorP c, float sx, float sy) {
bool locked = false;
if (SDL_MUSTLOCK(mogltk::engine::base_o->getsurface())) {
locked = true;
SDL_LockSurface(mogltk::engine::base_o->getsurface());
}
SDL_Rect src, dst;
src.x = posx; src.y = posy; src.w = sx; src.h = sy;
dst.x = dx; dst.y = dy; dst.w = sx; dst.h = sy;
SDL_BlitSurface(tlist->GetSurface(), &src, mogltk::engine::base_o->getsurface(), &dst);
if (locked)
SDL_UnlockSurface(mogltk::engine::base_o->getsurface());
}
void mogltk::Sprite::Bind() {
tlist->Bind();
}
int mogltk::Sprite::GetPX() {
return posx;
}
int mogltk::Sprite::GetPY() {
return posy;
}
int mogltk::Sprite::GetSX() {
return sx;
}
int mogltk::Sprite::GetSY() {
return sy;
}
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