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Feature: Minimap screenshot

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TELK
2020-01-05 01:47:37 +09:00
committed by Niels Martin Hansen
parent e7922cd078
commit e04ca904a9
9 changed files with 103 additions and 9 deletions
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83
src/screenshot.cpp
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@@ -16,6 +16,7 @@
#include "zoom_func.h"
#include "core/endian_func.hpp"
#include "saveload/saveload.h"
#include "company_base.h"
#include "company_func.h"
#include "strings_func.h"
#include "error.h"
@@ -66,6 +67,8 @@ struct ScreenshotFormat {
ScreenshotHandlerProc *proc; ///< Function for writing the screenshot.
};
#define MKCOLOUR(x) TO_LE32X(x)
/*************************************************
**** SCREENSHOT CODE FOR WINDOWS BITMAP (.BMP)
*************************************************/
@@ -842,6 +845,10 @@ bool MakeScreenshot(ScreenshotType t, const char *name)
break;
}
case SC_MINIMAP:
ret = MakeMinimapWorldScreenshot();
break;
default:
NOT_REACHED();
}
@@ -855,3 +862,79 @@ bool MakeScreenshot(ScreenshotType t, const char *name)
return ret;
}
/**
* Return the owner of a tile to display it with in the small map in mode "Owner".
*
* @param tile The tile of which we would like to get the colour.
* @return The owner of tile in the small map in mode "Owner"
*/
static Owner GetMinimapOwner(TileIndex tile)
{
Owner o;
if (IsTileType(tile, MP_VOID)) {
return OWNER_END;
} else {
switch (GetTileType(tile)) {
case MP_INDUSTRY: o = OWNER_DEITY; break;
case MP_HOUSE: o = OWNER_TOWN; break;
default: o = GetTileOwner(tile); break;
/* FIXME: For MP_ROAD there are multiple owners.
* GetTileOwner returns the rail owner (level crossing) resp. the owner of ROADTYPE_ROAD (normal road),
* even if there are no ROADTYPE_ROAD bits on the tile.
*/
}
return o;
}
}
static void MinimapScreenCallback(void *userdata, void *buf, uint y, uint pitch, uint n)
{
uint32 *ubuf;
uint num, row, col;
byte val;
byte owner_colours[OWNER_END + 1];
/* Fill with the company colours */
for (const Company *c : Company::Iterate()) {
owner_colours[c->index] = MKCOLOUR(_colour_gradient[c->colour][5]);
}
/* Fill with some special colours */
owner_colours[OWNER_TOWN] = PC_DARK_RED;
owner_colours[OWNER_NONE] = PC_GRASS_LAND;
owner_colours[OWNER_WATER] = PC_WATER;
owner_colours[OWNER_DEITY] = PC_DARK_GREY; // industry
owner_colours[OWNER_END] = PC_BLACK;
ubuf = (uint32 *)buf;
num = (pitch * n);
for (uint i = 0; i < num; i++) {
row = y + (int)(i / pitch);
col = (MapSizeX() - 1) - (i % pitch);
TileIndex tile = TileXY(col, row);
Owner o = GetMinimapOwner(tile);
val = owner_colours[o];
uint32 colour_buf = 0;
colour_buf = (_cur_palette.palette[val].b << 0);
colour_buf |= (_cur_palette.palette[val].g << 8);
colour_buf |= (_cur_palette.palette[val].r << 16);
*ubuf = colour_buf;
*ubuf++; // Skip alpha
}
}
/**
* Make a minimap screenshot.
*/
bool MakeMinimapWorldScreenshot()
{
const ScreenshotFormat *sf = _screenshot_formats + _cur_screenshot_format;
return sf->proc(MakeScreenshotName(SCREENSHOT_NAME, sf->extension), MinimapScreenCallback, nullptr, MapSizeX(), MapSizeY(), 32, _cur_palette.palette);
}