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- added a map preview to the user map browser.

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This commit is contained in:
Christoph Oelckers 2021-12-26 19:58:52 +01:00
parent 6dfd975f88
commit 00a7be545d
7 changed files with 293 additions and 62 deletions
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67
source/core/menu/usermap.cpp
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@ -47,6 +47,7 @@
#include "usermap.h"
#include "gamecontrol.h"
#include "mapinfo.h"
#include "v_draw.h"
static FUsermapDirectory root;
@ -139,6 +140,25 @@ void ReadUserMaps()
SortEntries(root);
}
void LoadMapPreview(FUsermapEntry* entry)
{
if (entry->wallsread) return;
entry->walls = loadMapWalls(entry->filename);
}
void UnloadMapPreviews(FUsermapDirectory* dir)
{
for (auto& entry : dir->entries)
{
if (entry.walls.Size() > 0) entry.wallsread = false;
entry.walls.Reset();
}
for (auto& sub : dir->subdirectories)
{
UnloadMapPreviews(&sub);
}
}
DEFINE_FIELD(FUsermapEntry, filename);
DEFINE_FIELD(FUsermapEntry, container);
DEFINE_FIELD(FUsermapEntry, displayname);
@ -185,17 +205,51 @@ DEFINE_ACTION_FUNCTION(FUsermapDirectory, GetDirectory)
ACTION_RETURN_POINTER(&self->subdirectories[num]);
}
DEFINE_ACTION_FUNCTION(FUsermapDirectory, DrawPreview)
DEFINE_ACTION_FUNCTION(_UserMapMenu, DrawPreview)
{
PARAM_SELF_STRUCT_PROLOGUE(FUsermapDirectory);
PARAM_UINT(num);
PARAM_PROLOGUE;
PARAM_POINTER(entry, FUsermapEntry);
PARAM_INT(left);
PARAM_INT(top);
PARAM_INT(width);
PARAM_INT(height);
if (num >= self->entries.Size()) return 0;
// todo
if (!entry) return 0;
LoadMapPreview(entry);
if (entry->walls.Size() == 0) return 0;
int minx = INT_MAX, miny = INT_MAX, maxx = INT_MIN, maxy = INT_MIN;
for (auto& wal : entry->walls)
{
if (wal.pos.X < minx) minx = wal.pos.X;
if (wal.pos.X > maxx) maxx = wal.pos.X;
if (wal.pos.Y < miny) miny = wal.pos.Y;
if (wal.pos.Y > maxy) maxy = wal.pos.Y;
}
float scalex = float(width) / (maxx - minx);
float scaley = float(height) / (maxy - miny);
int centerx = (minx + maxx) >> 1;
int centery = (miny + maxy) >> 1;
int dcenterx = left + (width >> 1);
int dcentery = top + (height >> 1);
float scale = min(scalex, scaley);
float drawleft = dcenterx - (centerx - minx) * scale;
float drawtop = dcentery - (centery - miny) * scale;
for (auto& wal : entry->walls)
{
if (wal.nextwall < 0) continue;
auto point2 = &entry->walls[wal.point2];
twod->AddLine(dcenterx + (wal.pos.X - centerx) * scale, dcentery + (wal.pos.Y - centery) * scale,
dcenterx + (point2->pos.X - centerx) * scale, dcentery + (point2->pos.Y - centery) * scale,
-1, -1, INT_MAX, INT_MAX, 0xff808080);
}
for (auto& wal : entry->walls)
{
if (wal.nextwall >= 0) continue;
auto point2 = &entry->walls[wal.point2];
twod->AddLine(dcenterx + (wal.pos.X - centerx) * scale, dcentery + (wal.pos.Y - centery) * scale,
dcenterx + (point2->pos.X - centerx) * scale, dcentery + (point2->pos.Y - centery) * scale,
-1, -1, INT_MAX, INT_MAX, 0xffffffff);
}
return 0;
}
@ -213,5 +267,6 @@ DEFINE_ACTION_FUNCTION(_UsermapMenu, StartMap)
DoStartMap(entry->filename);
M_ClearMenus();
UnloadMapPreviews(&root);
return 0;
}