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GLK: FROTZ: Fix drawing position of pillars in Zork Zero

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dreammaster committed Feb 7, 2019
1 parent e07b567 commit 75aaf5eb82a19cf6d5f62af956324000901bde46
@@ -106,6 +106,7 @@ void GlkInterface::initialize() {
_wp._lower = glk_window_open(0, 0, 0, wintype_TextBuffer, 0);
glk_window_get_size(_wp._lower, &width, &height);
glk_window_close(_wp._lower, nullptr);
_wp._lower = nullptr;

gos_channel = nullptr;

@@ -289,12 +290,14 @@ bool GlkInterface::os_picture_data(int picture, uint *height, uint *width) {
*height = _pics->size();
return true;
} else {
bool result = glk_image_get_info(picture, width, height);
uint fullWidth, fullHeight;
bool result = glk_image_get_info(picture, &fullWidth, &fullHeight);

int cellW = g_conf->_monoInfo._cellW;
int cellH = g_conf->_monoInfo._cellH;
*width = (*width + cellW - 1) / cellW;
*height = (*height + cellH - 1) / cellH;
int x_scale = g_system->getWidth();
int y_scale = g_system->getHeight();

*width = roundDiv(fullWidth * h_screen_cols, x_scale);
*height = roundDiv(fullHeight * h_screen_rows, y_scale);

return result;
}
@@ -392,8 +395,7 @@ void GlkInterface::split_window(zword lines) {
curr_status_ht = lines;
}
mach_status_ht = lines;
if (cury > lines)
{
if (cury > lines) {
glk_window_move_cursor(_wp._upper, 0, 0);
curx = cury = 1;
}
@@ -611,5 +613,14 @@ zchar GlkInterface::os_read_line(int max, zchar *buf, int timeout, int width, in
return ZC_RETURN;
}

uint GlkInterface::roundDiv(uint x, uint y) {
uint quotient = x / y;
uint dblremain = (x % y) << 1;

if ((dblremain > y) || ((dblremain == y) && (quotient & 1)))
quotient++;
return quotient;
}

} // End of namespace Frotz
} // End of namespace Glk
@@ -109,6 +109,11 @@ class GlkInterface : public GlkAPI, public virtual UserOptions, public virtual M
* Add any Sound subfolder or sound zip file for access
*/
void addSound();

/**
* Do a rounding division, rounding to even if fraction part is 1/2.
*/
uint roundDiv(uint x, uint y);
protected:
/**
* Return the length of the character in screen units.
@@ -79,7 +79,7 @@ void Processor::z_draw_picture() {
os_picture_data(mapper[i].pic2, &height2, &width2);

if (_storyId == ARTHUR && pic == 54)
delta = h_screen_width / 160;
delta = h_screen_width / 160;

os_draw_picture(mapper[i].pic1, Point(x + delta, y + height1));
os_draw_picture(mapper[i].pic2, Point(x + width1 - width2 - delta, y + height1));
@@ -50,14 +50,15 @@ void Windows::setup(bool isVersion6) {
_background = g_vm->glk_window_open(0, 0, 0, wintype_Graphics, 0);
_background->setBackgroundColor(0xffffff);

MonoFontInfo &fi = g_vm->_conf->_monoInfo;
_lower = g_vm->glk_window_open(g_vm->glk_window_get_root(),
winmethod_Arbitrary | winmethod_Fixed, 0, wintype_TextBuffer, 0);
_upper = g_vm->glk_window_open(g_vm->glk_window_get_root(),
winmethod_Arbitrary | winmethod_Fixed, 0, wintype_TextGrid, 0);
_upper.setPosition(Point(0, 0));
_upper.setSize(Point(320, 8));
_lower.setPosition(Point(0, 8));
_lower.setSize(Point(320, 200 - 8));
_upper.setPosition(Point(1, 1));
_upper.setSize(Point(g_system->getWidth() / fi._cellW, 1));
_lower.setPosition(Point(1, 2));
_lower.setSize(Point(g_system->getWidth() / fi._cellW, g_system->getHeight() / fi._cellH - 1));

} else {
_lower = g_vm->glk_window_open(0, 0, 0, wintype_TextBuffer, 0);

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