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/**
* @file
* @brief Mini UI for choosing a compass direction around the player.
**/
#include "AppHdr.h"
#include "coord.h"
#include "directn.h"
#include "libutil.h"
#include "macro.h"
#include "message.h"
#include "state.h"
#include "target-compass.h"
#ifdef USE_TILE_LOCAL
# include "tilesdl.h"
#endif
#ifdef USE_TILE_WEB
# include "tileweb.h"
#endif
static int _targeting_cmd_to_compass(command_type command)
{
switch (command)
{
case CMD_TARGET_UP: case CMD_TARGET_DIR_UP:
return 0;
case CMD_TARGET_UP_RIGHT: case CMD_TARGET_DIR_UP_RIGHT:
return 1;
case CMD_TARGET_RIGHT: case CMD_TARGET_DIR_RIGHT:
return 2;
case CMD_TARGET_DOWN_RIGHT: case CMD_TARGET_DIR_DOWN_RIGHT:
return 3;
case CMD_TARGET_DOWN: case CMD_TARGET_DIR_DOWN:
return 4;
case CMD_TARGET_DOWN_LEFT: case CMD_TARGET_DIR_DOWN_LEFT:
return 5;
case CMD_TARGET_LEFT: case CMD_TARGET_DIR_LEFT:
return 6;
case CMD_TARGET_UP_LEFT: case CMD_TARGET_DIR_UP_LEFT:
return 7;
default:
return -1;
}
}
static int targeting_behaviour_get_key()
{
if (!crawl_state.is_replaying_keys())
flush_input_buffer(FLUSH_BEFORE_COMMAND);
flush_prev_message();
msgwin_got_input();
return unmangle_direction_keys(getchm(KMC_TARGETING), KMC_TARGETING,
false);
}
coord_def prompt_compass_direction()
{
mprf(MSGCH_PROMPT, "Which direction?");
coord_def delta = {0, 0};
bool cancel = false;
mouse_control mc(MOUSE_MODE_TARGET_DIR);
do
{
const auto key = targeting_behaviour_get_key();
const auto cmd = key_to_command(key, KMC_TARGETING);
if (crawl_state.seen_hups)
{
mprf(MSGCH_ERROR, "Targeting interrupted by HUP signal.");
return {0, 0};
}
#ifdef USE_TILE
if (cmd == CMD_TARGET_MOUSE_MOVE)
continue;
else if (cmd == CMD_TARGET_MOUSE_SELECT)
{
const coord_def &gc = tiles.get_cursor();
if (gc == NO_CURSOR)
continue;
if (!map_bounds(gc))
continue;
delta = gc - you.pos();
if (delta.rdist() > 1)
{
tiles.place_cursor(CURSOR_MOUSE, gc);
delta = tiles.get_cursor() - you.pos();
ASSERT(delta.rdist() <= 1);
}
break;
}
#endif
if (cmd == CMD_TARGET_SELECT)
{
delta.reset();
break;
}
const int i = _targeting_cmd_to_compass(cmd);
if (i != -1)
delta = Compass[i];
else if (cmd == CMD_TARGET_CANCEL)
cancel = true;
}
while (!cancel && delta.origin());
#ifdef USE_TILE
tiles.place_cursor(CURSOR_MOUSE, NO_CURSOR);
#endif
return cancel ? coord_def(0, 0) : delta;
}
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