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Attempting to fix weirdness from a bug report (thx!).

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This might speed up obstruction calculation a bit.
Also fixed crash when attempting to autosave on an invalid map.
This commit is contained in:
fgenesis 2012-06-13 23:28:24 +02:00
parent af30e508f5
commit 67bdd77a9f
1 changed files with 53 additions and 102 deletions
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155
Aquaria/Game.cpp
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@ -1958,54 +1958,56 @@ void Game::clearObsRows()
void Game::fillGridFromQuad(Quad *q, ObsType obsType, bool trim)
{
/*
if (obsType == OT_INVISIBLEIN)
obsType = OT_INVISIBLE;
*/
#ifdef BBGE_BUILD_OPENGL
if (q->texture)
{
std::vector<TileVector> obs, obsCopy;
std::vector<TileVector> obs;
TileVector tpos(q->position);
//int tw = int((q->getWidth()*q->scale.x)/TILE_SIZE);
//int th = int((q->getHeight()*q->scale.y)/TILE_SIZE);
int w2 = int(q->getWidth()*q->scale.x)/2;
int h2 = int(q->getHeight()*q->scale.y)/2;
int widthscale = q->getWidth()*q->scale.x;
int heightscale = q->getHeight()*q->scale.y;
int w2 = widthscale/2;
int h2 = heightscale/2;
w2/=TILE_SIZE;
h2/=TILE_SIZE;
tpos.x -= w2;
tpos.y -= h2;
GLuint id = q->texture->textures[0];
float w, h, c=4;
int w = 0, h = 0;
glBindTexture(GL_TEXTURE_2D, id);
glGetTexLevelParameterfv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &w);
glGetTexLevelParameterfv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &h);
//glGetTexLevelParameterfv(GL_TEXTURE_2D, 0, GL_TEXTURE_COMPONENTS, &c);// assume 4
int size = w*h*c;
unsigned char *data=0;
int sz = size*sizeof(unsigned char);
data = (unsigned char*)malloc(sz);
if (c == 4)
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
else if (c == 3)
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
else
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &w);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &h);
//glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_COMPONENTS, &c);// assume 4
int size = w*h*4;
if(size <= 0)
return;
unsigned char *data = (unsigned char*)malloc(size + 6);
memcpy(data + size, "SAFE", 5);
if (!data)
{
if (data)
free(data);
errorLog("Game::fillGridFromQuad allocation failure");
return;
}
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
glBindTexture(GL_TEXTURE_2D, 0);
// Not sure but this might be the case with nouveau drivers on linux... still investigating. -- fg
if(memcmp(data + size, "SAFE", 5))
{
errorLog("Game::fillGridFromQuad(): Broken graphics driver! Wrote past end of buffer!");
free(data); // in case we are here, this will most likely cause a crash.
return;
}
for (int tx = 0; tx < (q->getWidth()*q->scale.x); tx+=TILE_SIZE)
int szx = TILE_SIZE/q->scale.x;
int szy = TILE_SIZE/q->scale.y;
if (szx < 1) szx = 1;
if (szy < 1) szy = 1;
for (int tx = 0; tx < widthscale; tx+=TILE_SIZE)
{
for (int ty = 0; ty < (q->getHeight()*q->scale.y); ty+=TILE_SIZE)
for (int ty = 0; ty < heightscale; ty+=TILE_SIZE)
{
int num = 0;
int szx = TILE_SIZE/q->scale.x;
int szy = TILE_SIZE/q->scale.y;
if (szx < 1) szx = 1;
if (szy < 1) szy = 1;
for (int x = 0; x < szx; x++)
{
for (int y = 0; y < szy; y++)
@ -2016,19 +2018,14 @@ void Game::fillGridFromQuad(Quad *q, ObsType obsType, bool trim)
int py = int(ty/q->scale.y) + y;
if (px < w && py < h)
{
if (c==3)
num++;
int p = (py*w*4) + px*4;
if (data[p+3] >= 254)
{
num ++;
}
else
{
int p = (py*w*c) + px*c;
if (data[p+3] >= 254)
{
num ++;
}
else
{
break;
}
break;
}
}
}
@ -2044,18 +2041,21 @@ void Game::fillGridFromQuad(Quad *q, ObsType obsType, bool trim)
}
}
if (data)
{
free(data);
data = 0;
}
if (trim)
{
obsCopy = obs;
std::vector<TileVector> obsCopy = obs;
obs.clear();
int sides = 0;
bool added;
for (int i = 0; i < obsCopy.size(); i++)
{
sides = 0;
added = false;
for (int j = 0; j < obsCopy.size(); j++)
{
if (i != j)
@ -2072,42 +2072,18 @@ void Game::fillGridFromQuad(Quad *q, ObsType obsType, bool trim)
if (sides>=4)
{
obs.push_back(obsCopy[i]);
added = true;
//debugLog("added");
break;
}
}
}
/*
if (!added)
{
debugLog("not added");
}
*/
}
}
glBindTexture(GL_TEXTURE_2D, 0);
if (data)
free(data);
int rot = q->rotation.z;
while (rot > 360)
rot -= 360;
while (rot < 0)
rot += 360;
//rot = int(float(rot-45)/90.0f);
//int obsType = OT_INVISIBLEIN;
glPushMatrix();
for (int i = 0; i < obs.size(); i++)
{
/*
Vector p = q->getWorldCollidePosition(Vector(obs[i].x-w2, obs[i].y-h2));
TileVector tvec(tpos.x+w2+p.x, tpos.y+h2+p.y);
if (dsq->game->getGrid(tvec) == OT_EMPTY)
dsq->game->setGrid(tvec, obsType);
*/
glPushMatrix();
glLoadIdentity();
glRotatef(q->rotation.z, 0, 0, 1);
@ -2129,37 +2105,9 @@ void Game::fillGridFromQuad(Quad *q, ObsType obsType, bool trim)
if (dsq->game->getGrid(tvec) == OT_EMPTY)
dsq->game->setGrid(tvec, obsType);
glPopMatrix();
/*
// clockwise
if ((rot >= 0 && rot < 45) || rot >= 315)
{
// normal
dsq->game->setGrid(TileVector(tpos.x+obs[i].x, tpos.y+obs[i].y), obsType);
}
else if (rot >= 45 && rot < 135)
{
TileVector tpos(q->position);
tpos.x -= h2;
tpos.y -= w2;
dsq->game->setGrid(TileVector(tpos.x+(th-obs[i].y), tpos.y+obs[i].x), obsType);
}
else if (rot >= 135 && rot < 225)
{
// flip y
dsq->game->setGrid(TileVector(tpos.x+(tw-obs[i].x), tpos.y+(th-obs[i].y)), obsType);
}
else if (rot >= 225 && rot < 315)
{
TileVector tpos(q->position);
tpos.x -= h2;
tpos.y -= w2;
dsq->game->setGrid(TileVector(tpos.x+obs[i].y, tpos.y+(tw-obs[i].x)), obsType);
}
*/
}
}
glPopMatrix();
}
#endif
}
@ -5496,6 +5444,9 @@ bool Game::loadScene(std::string scene)
void Game::saveScene(std::string scene)
{
if (!this->saveFile)
return;
std::string fn = getSceneFilename(scene);
TiXmlDocument saveFile(*this->saveFile);