avoid crash when scaling tilemap too much, fixes #266

This commit is contained in:
reduz 2016-01-24 17:22:17 -03:00
parent 341f8e6d2b
commit 48d2b7f4be
1 changed files with 18 additions and 1 deletions

View File

@ -533,6 +533,8 @@ void TileMapEditor::_canvas_draw() {
if (node->get_half_offset()!=TileMap::HALF_OFFSET_X) {
int max_lines=2000; //avoid crash if size too smal
for(int i=(si.pos.x)-1;i<=(si.pos.x+si.size.x);i++) {
Vector2 from = xform.xform(node->map_to_world(Vector2(i,si.pos.y)));
@ -540,10 +542,12 @@ void TileMapEditor::_canvas_draw() {
Color col=i==0?Color(1,0.8,0.2,0.5):Color(1,0.3,0.1,0.2);
canvas_item_editor->draw_line(from,to,col,1);
if (max_lines--==0)
break;
}
} else {
int max_lines=10000; //avoid crash if size too smal
for(int i=(si.pos.x)-1;i<=(si.pos.x+si.size.x);i++) {
@ -558,11 +562,17 @@ void TileMapEditor::_canvas_draw() {
Vector2 to = xform.xform(node->map_to_world(Vector2(i,j+1),true)+ofs);
Color col=i==0?Color(1,0.8,0.2,0.5):Color(1,0.3,0.1,0.2);
canvas_item_editor->draw_line(from,to,col,1);
if (max_lines--==0)
break;
}
}
}
int max_lines=10000; //avoid crash if size too smal
if (node->get_half_offset()!=TileMap::HALF_OFFSET_Y) {
for(int i=(si.pos.y)-1;i<=(si.pos.y+si.size.y);i++) {
@ -573,6 +583,9 @@ void TileMapEditor::_canvas_draw() {
Color col=i==0?Color(1,0.8,0.2,0.5):Color(1,0.3,0.1,0.2);
canvas_item_editor->draw_line(from,to,col,1);
if (max_lines--==0)
break;
}
} else {
@ -590,6 +603,10 @@ void TileMapEditor::_canvas_draw() {
Vector2 to = xform.xform(node->map_to_world(Vector2(j+1,i),true)+ofs);
Color col=i==0?Color(1,0.8,0.2,0.5):Color(1,0.3,0.1,0.2);
canvas_item_editor->draw_line(from,to,col,1);
if (max_lines--==0)
break;
}
}